WIP NetworkManager widget

Use global poll for ipc_server
Use global poll for UpowerBattery
2019-10-06 00:19:44 +02:00 · 2019-10-05 22:43:09 +02:00 · 2019-10-05 22:42:26 +02:00 · 2019-10-05 01:07:06 +02:00 · 2019-10-03 19:03:38 +02:00 · 2019-10-02 16:25:43 +02:00
44 changed files with 20587 additions and 103 deletions
@@ -0,0 +1,11 @@
 image: archlinux
 packages:
  - rust
  - libpulse
 tasks:
  - rustfmt-check: |
      cd wldash
      cargo fmt -- --check
  - build: |
      cd wldash
      cargo build
@@ -0,0 +1,2 @@
 /target
 **/*.rs.bk
@@ -1 +0,0 @@
 wldash.org
@@ -0,0 +1,848 @@
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@@ -0,0 +1,43 @@
 [package]
 name = "wldash"
 version = "0.2.0"
 authors = ["Kenny Levinsen <kl@kl.wtf>"]
 edition = "2018"
 [profile.release]
 lto = "fat"
 [features]
 default = ["alsa-widget", "pulseaudio-widget", "yaml-cfg", "json-cfg"]
 damage_debug = []
 yaml-cfg = ["serde_yaml"]
 json-cfg = ["serde_json"]
 alsa-widget = ["alsa"]
 pulseaudio-widget = ["libpulse-binding"]
 [dependencies]
 smithay-client-toolkit = "0.6.4"
 byteorder = "1.3"
 rusttype = "0.7"
 chrono = "0.4"
 nix = "0.15"
 memmap = "0.7"
 os_pipe = "0.8"
 wayland-client = { version = "0.23", features = ["dlopen"] }
 wayland-protocols = { version = "0.23", features = ["client", "unstable_protocols"] }
 dbus = "0.6"
 fuzzy-matcher = "0.2"
 lazy_static = "1.4"
 rcalc_lib = { version = "0.9" }
 rust-ini = "0.13"
 shlex = "0.1"
 timerfd = "1.0.0"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0", optional = true }
 serde_yaml = { version = "0.8", optional = true }
 libpulse-binding = { version = "2.11", optional = true }
 alsa = { version = "0.3.0", optional = true }
@@ -0,0 +1,674 @@
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 or that patent license was granted, prior to 28 March 2007.
  Nothing in this License shall be construed as excluding or limiting
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 otherwise be available to you under applicable patent law.
  12. No Surrender of Others' Freedom.
  If conditions are imposed on you (whether by court order, agreement or
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 excuse you from the conditions of this License.  If you cannot convey a
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 to collect a royalty for further conveying from those to whom you convey
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 License would be to refrain entirely from conveying the Program.
  13. Use with the GNU Affero General Public License.
  Notwithstanding any other provision of this License, you have
 permission to link or combine any covered work with a work licensed
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 License will continue to apply to the part which is the covered work,
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 section 13, concerning interaction through a network will apply to the
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  14. Revised Versions of this License.
  The Free Software Foundation may publish revised and/or new versions of
 the GNU General Public License from time to time.  Such new versions will
 be similar in spirit to the present version, but may differ in detail to
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  Each version is given a distinguishing version number.  If the
 Program specifies that a certain numbered version of the GNU General
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  If the Program specifies that a proxy can decide which future
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  Later license versions may give you additional or different
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 author or copyright holder as a result of your choosing to follow a
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 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
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  If the disclaimer of warranty and limitation of liability provided
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                     END OF TERMS AND CONDITIONS
            How to Apply These Terms to Your New Programs
  If you develop a new program, and you want it to be of the greatest
 possible use to the public, the best way to achieve this is to make it
 free software which everyone can redistribute and change under these terms.
  To do so, attach the following notices to the program.  It is safest
 to attach them to the start of each source file to most effectively
 state the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 Also add information on how to contact you by electronic and paper mail.
  If the program does terminal interaction, make it output a short
 notice like this when it starts in an interactive mode:
    <program>  Copyright (C) <year>  <name of author>
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.
 The hypothetical commands `show w' and `show c' should show the appropriate
 parts of the General Public License.  Of course, your program's commands
 might be different; for a GUI interface, you would use an "about box".
  You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
 <https://www.gnu.org/licenses/>.
  The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <https://www.gnu.org/licenses/why-not-lgpl.html>.
@@ -0,0 +1,65 @@
 # wldash
 A dashboard/launcher/control-panel thing for Wayland. Requires wlr-layer-shell-unstable-v1.
 Consider this alpha-quality: While it works, *everything* is subject to change with a moments notice. You may end up pulling in the latest changes, and *poof*, wldash suddenly turns into an artisan espresso machine.
 ## How to use
 1. Checkout: `git clone https://github.com/kennylevinsen/wldash`
 2. Build: `cargo build --release`
 3. Put somewhere: `cp target/release/wldash /usr/local/bin/wldash`
 4. Run: `wldash`
 To see the default configuration, run `wldash print-config`. To configure, place a file in `$XDG_CONFIG_HOME/wldash/config.yaml` (or if `XDG_CONFIG_HOME` is not set, `~/.config/wldash/config.yaml`). JSON is also currently supported.
 Notable settings: `outptuMode` can be `active` or `all`, `scale` can be set to `2` to half the buffer size, and the widgets (and their layout) can be configured.
 For more info, look in `src/config.rs`.
 ## System dependencies
 `dbus`. See https://github.com/diwic/dbus-rs#requirements.
 ## How to use launcher
 The launcher for wldash is built-in, based on https://github.com/kennylevinsen/dot-desktop. Pluggable systems may come back in the future.
 The environment variables `XDG_DATA_DIRS` and `XDG_DATA_HOME` are read to find the many `applications` folders that contain `desktop` files.
 ## Features
 ### Date and time
 In nice, big letters!
 ### 3 month calendar
 Scroll or click on the months to navigate.
 ### Battery level
 Over upower, only visible if upower battery is detected
 ### Audio volume
 Over pulseaudio, only visible if pulseaudio connection is successful. Scroll to adjust volume, right-click to toggle mute.
 ### Backlight control
 Using backlight sys file, only visible of backlight is detected. Scroll to adjust, right-click to toggle between the extreme values.
 ### Launcher
 Loads desktop files from the usual locations.
 The launcher also accepts prefix operators to change its mode:
 - `!`: Arbitrary command
 - `=`: Calculator based on rcalc_lib. See https://docs.rs/rcalc_lib/0.9.3/rcalc_lib/
 ## Notable missing features:
 - Scaling of any kind - all sizes are currently hardcoded in pixels
 - Configurability
 - Cleanup and reorganization
 - Proper line editor for the launcher
@@ -0,0 +1,55 @@
 {
 	"widget": {
 		"margin": {
 			"margins": [20,20,20,20],
 			"widget": {
 				"verticalLayout": [{
 					"horizontalLayout": [{
 						"margin": {
 							"margins": [0,88,0,32],
 							"widget": {
 								"verticalLayout": [
 									{"date": {"font_size": 64.0}},
 									{"clock": {"font_size": 256.0}}
 								]
 							}
 						}
 					},{
 						"verticalLayout": [{
 							"margin": {
 								"margins": [0,0,0,8],
 								"widget": {"battery": {"font_size": 24.0,"length": 600}}
 							}
 						},{
 							"margin": {
 								"margins": [0,0,0,8],
 								"widget": {"backlight": {"font_size": 24.0,"length": 600}}
 							}
 						},{
 							"margin": {
 								"margins": [0,0,0,8],
 								"widget": {"pulseAudio": {"font_size": 24.0,"length": 600}}
 							}
 						}]
 					}
 				]},
 				{"calendar": {"font_size": 16.0,"sections": 3}},
 				{"launcher": {
 					"font_size": 32.0,
 					"length": 1200, 
 	            "app_opener": "swaymsg exec ",
 	            "term_opener": "alacritty -e ",
 	            "url_opener": "xdg-open "
 	         }}
 			]}
 		}
 	},
 	"outputMode": "active",
 	"scale": 1,
 	"background": {
 		"red": 0,
 		"green": 0,
 		"blue": 0,
 		"opacity": 0.9
 	}
 }
@@ -0,0 +1,49 @@
 outputMode: active
 scale: 1
 background:
  red: 0.0
  green: 0.0
  blue: 0.0
  opacity: 0.9
 widget:
  margin:
    margins: [20, 20, 20, 20]
    widget:
      verticalLayout:
        - horizontalLayout:
            - margin:
                margins: [0, 88, 0, 32]
                widget:
                  verticalLayout:
                    - date:
                        font_size: 64.0
                    - clock:
                        font_size: 256.0
            - verticalLayout:
                - margin:
                    margins: [0, 0, 0, 8]
                    widget:
                      battery:
                        font_size: 24.0
                        length: 600
                - margin:
                    margins: [0, 0, 0, 8]
                    widget:
                      backlight:
                        font_size: 24.0
                        length: 600
                - margin:
                    margins: [0, 0, 0, 8]
                    widget:
                      pulseAudio:
                        font_size: 24.0
                        length: 600
        - calendar:
            font_size: 16.0
            sections: 3
        - launcher:
            font_size: 32.0
            length: 1200
            app_opener: "swaymsg exec "
            term_opener: "alacritty -e "
            url_opener: "xdg-open "
@@ -0,0 +1,38 @@
 ==========================================================
                 Wen Quan Yi Micro Hei
                     ChangeLog
 ----------------------------------------------------------
 WenQuanYi Micro Hei ChangeLog:
 == WenQuanYi Micro Hei 0.2 (BigBang), FangQ <fangq nmr mgh harvard edu> ==
 2009/05/25  Updated contributor list in the NB and announced beta release
 2009/05/18  fixed hinting instr for M/N in MicroHeiMono by copying cvt table (F
 angQ)
 2009/05/16  added Micro Hei Mono by merging with Droid Sans Mono (FangQ)
 2009/05/15  rename uni00B9 to onesuperior to match the it in DroidSans (FangQ)
 2009/05/10  updated documentations (FangQ)
 2009/05/09  scale MicroHei to EM=2048 before merging to Droid Sans, keep
             all hinting and kerning info. (FangQ)
 2009/04/12  imported Chinese punctuations from UmeGothic (FangQ)
 2009/02/08  all characters in U4E00~U9FC3 were complete (review panel, wanghong
 )
 2009/01/16  Micro Hei nightly-build became active (FangQ)
 2009/01/15  GBK glyph review process started (FangQ)
 2009/01/03  Fontopia supported sub-contour editing (FangQ)
 2008/12/31  GBK char-set completed 90%, CJK Ext. A became online
 2008/12/29  project publicly announcement (FangQ)
 2008/12/09  Droid Font license confirmed (Apache2 as committed in git)
 2008/12/03  add theme and rename as Fontopia (FangQ)
 2008/11/23  Droid extension GUI milestone reached (mozbug, FangQ)
 2008/11/07  initial upload of BezierGlyph/Bezier_lib.js script (mozbug)
 2008/11/06  code point and script preparation (mozbug)
 2008/10/21  project conceptualized (FangQ)
@@ -0,0 +1,122 @@
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 APPENDIX: How to apply the Apache License to your work
 To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" 
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@@ -0,0 +1,674 @@
                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007
 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
                            Preamble
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  The licenses for most software and other practical works are designed
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@@ -0,0 +1,378 @@
 ==========================================================
                 Wen Quan Yi Micro Hei
                    Release Notes
 ----------------------------------------------------------
 Summary:
    Author   : WenQuanYi Project Contributors
    Webpage  : http://wenq.org/en/ or http://wqy.sourceforge.net/en/
    Font Name: WenQuanYi Micro Hei
    Version  : 0.2.0-beta (Big-Bang)
    Release  : 0
    Copyright  Digitized data copyright © 2007, Google Corporation.
               Copyright © 2008-2009, WenQuanYi Project Board of
               Trustees, All rights reserved.
               Droid Sans Fallback extension interface
               ( http://wenq.org/index.cgi?Fontopia(cn) ),
               copyright © 2008-2009 mozbug and Qianqian Fang
    License  : This font is licensed under Apache2.0 or GPLv3
               with font embedding exceptions (see Appendix B).
               Read LICENSE_Apache2.txt and LICENSE_GPLv3.txt for details
 ----------------------------------------------------------
 Table of Content
 I.    About this font
 II.   Development History
 III.  Credits
 IV.   Language Coverage
 V.    About "WenQuanYi Project"
 VI.   Links
 VII.  Appendix
 ----------------------------------------------------------
 I. About this font
 WenQuanYi Micro Hei font family is a Sans-Serif style (also known as Hei,
 Gothic or Dotum among the Chinese/Japanese/Korean users) high quality
 CJK outline font. It was derived from "Droid Sans Fallback", "Droid
 Sans" and "Droid Sans Mono" released by Google Corp. This font package
 contains two faces, "Micro Hei" and "Micro Hei Mono", in form of a
 True-Type Collection (ttc) file. All the unified CJK Han glyphs, i.e.
 GBK Hanzi, in the range of U+4E00-U+9FC3 defined in Unicode Standard 5.1
 are covered, with additional support to many other international
 languages such as Latin, Extended Latin, Hanguls and Kanas. The font
 file is extremely compact (~5M) compared with most known CJK fonts.
 As a result, it can be used for hand-held devices or embedded systems, or
 used on PC with a significantly small memory footprint. Because both
 font faces carry hinting and kerning instructions for Latin glyphs,
 they are the excellent choices for desktop fonts.
 II. Development History
 The original Droid Sans Fallback font contain 16,000 Unified Han glyphs,
 and was officially released by Google under Apache2 license on Dec. 9,
 2008 [2]. With a Javascript-based web interface, Fontopia(TM) [1], developed
 by mozbug and Qianqian Fang, the WenQuanYi contributors had completed
 over 10,000 new glyphs by combining the spline contours from the existing
 Droid Han glyphs. By the end of 2008, project phase-1 had almost
 completed, and phase-2 for CJK Extension A (U+3400-U+4DB5) was brought
 online on Dec. 29, 2009. A review panel was formed to reinforce the
 quality of all submitted glyphs [3]. In Jan. 2009, the reviewers
 had redone over 2000 Hanzi and completed all the missing characters.
 The nightly-build font has become online since Jan. 16. As of Feb. 2009, there
 has been over 5500 CJK Extension A Han glyphs completed, which led this
 font toward a complete GB18030 coverage.
 In this font, we incorporated the high quality Latin glyphs from "Droid Sans"
 and "Droid Sans Mono", which contain not only a better coverage but also
 the additional hinting and kerning information. The EM of MicroHei
 and MicroHeiMono fonts were unified to 2048 to retain all the advanced
 typesetting features.
 III. Credits
 We cordially thank Google(TM) for generously releasing Droid fonts to
 public under an open-source license. Google purchased the font from
 Ascenders Corp. (which was originally designed by a Chinese company).
 The project for extending the Droid fonts is based on the web-based
 glyph-composing applet [1], created by mozbug and Qianqian Fang
 jointly. They are constantly improving this application targeting at
 a web-based collaborative font development environment.
 Over a thousand anonymous contributors have participated the project;
 they submitted over 10,000 new Hanzi glyphs and many modifications.
 The full update history of the glyphs can be found at [4].
 The key members of the review panel, i.e. lsz, FangQ, kmc, Xhacker,
 philacorns, and an "anonymous" (as requested) contributor, had
 spent significant amount of efforts to redesign nearly half of the
 submitted glyphs. We appreciate the incredible effort from this team
 to make this font available. The detailed review credit can be found
 at [3]
 IV.    Language Coverage
 The following table is based on the locale data provided by fontconfig
 (generated by langcover.pl from Dejavu Project
 http://dejavu.sourceforge.net/wiki/index.php/Font_utilities).
  ----------------------------------------------------------------
    Locale                                           MicroHei
  ----------------------------------------------------------------
  aa     Afar                                     100% (62/62)
  ab     Abkhazia                                 100% (90/90)
  af     Afrikaans                                100% (69/69)
  am     Amharic                                       (0/264)
  ar     Arabic                                        (0/125)
  as                                                   (0/89)
  ast    Asturian                                 100% (72/72)
  ava    Avaric                                   100% (67/67)
  ay     Aymara                                   100% (60/60)
  az     Azerbaijani                               98% (146/148)
  az-ir  Azerbaijani in Iran                           (0/130)
  ba     Bashkir                                  100% (82/82)
  bam    Bambara                                   90% (54/60)
  be     Byelorussian                             100% (68/68)
  bg     Bulgarian                                100% (60/60)
  bh     Bihari (Devanagari script)                    (0/68)
  bho    Bhojpuri (Devanagari script)                  (0/68)
  bi     Bislama                                  100% (58/58)
  bin    Edo or Bini                              100% (78/78)
  bn     Bengali                                       (0/89)
  bo     Tibetan                                       (0/95)
  br     Breton                                   100% (64/64)
  bs     Bosnian                                  100% (62/62)
  bua    Buriat (Buryat)                          100% (70/70)
  ca     Catalan                                  100% (74/74)
  ce     Chechen                                  100% (67/67)
  ch     Chamorro                                 100% (58/58)
  chm    Mari (Lower Cheremis / Upper Cheremis)   100% (76/76)
  chr    Cherokee                                      (0/85)
  co     Corsican                                 100% (85/85)
  cs     Czech                                    100% (82/82)
  cu     Old Church Slavonic                      100% (103/103)
  cv     Chuvash                                  100% (74/74)
  cy     Welsh                                    100% (78/78)
  da     Danish                                   100% (70/70)
  de     German                                   100% (60/60)
  dz     Dzongkha                                      (0/95)
  el     Greek                                    100% (70/70)
  en     English                                  100% (73/73)
  eo     Esperanto                                100% (64/64)
  es     Spanish                                  100% (67/67)
  et     Estonian                                 100% (64/64)
  eu     Basque                                   100% (56/56)
  fa     Persian                                       (0/129)
  fi     Finnish                                  100% (63/63)
  fj     Fijian                                   100% (52/52)
  fo     Faroese                                  100% (68/68)
  fr     French                                   100% (85/85)
  ful    Fulah (Fula)                              87% (54/62)
  fur    Friulian                                 100% (66/66)
  fy     Frisian                                  100% (75/75)
  ga     Irish                                     82% (66/80)
  gd     Scots Gaelic                             100% (70/70)
  gez    Ethiopic (Geez)                               (0/218)
  gl     Galician                                 100% (66/66)
  gn     Guarani                                  100% (70/70)
  gu     Gujarati                                      (0/78)
  gv     Manx Gaelic                              100% (54/54)
  ha     Hausa                                     86% (52/60)
  haw    Hawaiian                                  98% (62/63)
  he     Hebrew                                        (0/27)
  hi     Hindi (Devanagari script)                     (0/68)
  ho     Hiri Motu                                100% (52/52)
  hr     Croatian                                 100% (62/62)
  hu     Hungarian                                100% (70/70)
  hy     Armenian                                      (0/77)
  ia     Interlingua                              100% (52/52)
  ibo    Igbo                                     100% (58/58)
  id     Indonesian                               100% (54/54)
  ie     Interlingue                              100% (52/52)
  ik     Inupiaq (Inupiak, Eskimo)                100% (68/68)
  io     Ido                                      100% (52/52)
  is     Icelandic                                100% (70/70)
  it     Italian                                  100% (73/73)
  iu     Inuktitut                                     (0/161)
  ja     Japanese                                  99% (6526/6538)
  ka     Georgian                                      (0/33)
  kaa    Kara-Kalpak (Karakalpak)                 100% (78/78)
  ki     Kikuyu                                   100% (56/56)
  kk     Kazakh                                   100% (77/77)
  kl     Greenlandic                              100% (81/81)
  km     Khmer                                         (0/70)
  kn     Kannada                                       (0/80)
  ko     Korean                                   100% (2443/2443)
  kok    Kokani (Devanagari script)                    (0/68)
  ks     Kashmiri (Devanagari script)                  (0/68)
  ku     Kurdish                                  100% (64/64)
  ku-ir  Kurdish in Iran                               (0/32)
  kum    Kumyk                                    100% (66/66)
  kv     Komi (Komi-Permyak/Komi-Siryan)          100% (70/70)
  kw     Cornish                                   96% (62/64)
  ky     Kirgiz                                   100% (70/70)
  la     Latin                                    100% (68/68)
  lb     Luxembourgish (Letzeburgesch)            100% (75/75)
  lez    Lezghian (Lezgian)                       100% (67/67)
  ln     Lingala                                   92% (75/81)
  lo     Lao                                           (0/65)
  lt     Lithuanian                               100% (70/70)
  lv     Latvian                                  100% (78/78)
  mg     Malagasy                                 100% (56/56)
  mh     Marshallese                              100% (62/62)
  mi     Maori                                     96% (62/64)
  mk     Macedonian                               100% (42/42)
  ml     Malayalam                                     (0/78)
  mn     Mongolian                                     (0/130)
  mo     Moldavian                                 98% (126/128)
  mr     Marathi (Devanagari script)                   (0/68)
  mt     Maltese                                  100% (72/72)
  my     Burmese (Myanmar)                             (0/48)
  nb     Norwegian Bokmal                         100% (70/70)
  nds    Low Saxon                                100% (59/59)
  ne     Nepali (Devanagari script)                    (0/68)
  nl     Dutch                                    100% (83/83)
  nn     Norwegian Nynorsk                        100% (76/76)
  no     Norwegian (Bokmal)                       100% (70/70)
  ny     Chichewa                                 100% (54/54)
  oc     Occitan                                  100% (70/70)
  om     Oromo or Galla                           100% (52/52)
  or     Oriya                                         (0/79)
  os     Ossetic                                  100% (66/66)
  pa     Punjabi (Gurumukhi script)                    (0/63)
  pl     Polish                                   100% (70/70)
  ps-af  Pashto in Afghanistan                         (0/49)
  ps-pk  Pashto in Pakistan                            (0/49)
  pt     Portuguese                               100% (83/83)
  rm     Rhaeto-Romance (Romansch)                100% (66/66)
  ro     Romanian                                  96% (60/62)
  ru     Russian                                  100% (66/66)
  sa     Sanskrit (Devanagari script)                  (0/68)
  sah    Yakut                                    100% (76/76)
  sco    Scots                                     92% (52/56)
  se     North Sami                               100% (66/66)
  sel    Selkup (Ostyak-Samoyed)                  100% (66/66)
  sh     Serbo-Croatian                           100% (76/76)
  si     Sinhala (Sinhalese)                           (0/77)
  sk     Slovak                                   100% (86/86)
  sl     Slovenian                                100% (62/62)
  sm     Samoan                                    98% (52/53)
  sma    South Sami                               100% (60/60)
  smj    Lule Sami                                100% (60/60)
  smn    Inari Sami                               100% (68/68)
  sms    Skolt Sami                                87% (70/80)
  so     Somali                                   100% (52/52)
  sq     Albanian                                 100% (56/56)
  sr     Serbian                                  100% (76/76)
  sv     Swedish                                  100% (68/68)
  sw     Swahili                                  100% (52/52)
  syr    Syriac                                        (0/45)
  ta     Tamil                                         (0/48)
  te     Telugu                                        (0/80)
  tg     Tajik                                    100% (78/78)
  th     Thai                                       1% (1/87)
  ti-er  Eritrean Tigrinya                             (0/256)
  ti-et  Ethiopian Tigrinya                            (0/282)
  tig    Tigre                                         (0/221)
  tk     Turkmen                                  100% (74/74)
  tl     Tagalog                                       (0/19)
  tn     Tswana                                   100% (56/56)
  to     Tonga                                     98% (52/53)
  tr     Turkish                                  100% (70/70)
  ts     Tsonga                                   100% (52/52)
  tt     Tatar                                    100% (76/76)
  tw     Twi                                       91% (67/73)
  tyv    Tuvinian                                 100% (70/70)
  ug     Uighur                                        (0/125)
  uk     Ukrainian                                100% (72/72)
  ur     Urdu                                          (0/145)
  uz     Uzbek                                    100% (68/68)
  ven    Venda                                     83% (52/62)
  vi     Vietnamese                                98% (191/194)
  vo     Volapuk                                  100% (54/54)
  vot    Votic                                    100% (62/62)
  wa     Walloon                                  100% (70/70)
  wen    Sorbian languages (lower and upper)      100% (76/76)
  wo     Wolof                                    100% (66/66)
  xh     Xhosa                                    100% (52/52)
  yap    Yapese                                   100% (58/58)
  yi     Yiddish                                       (0/27)
  yo     Yoruba                                    91% (109/119)
  zh-936                                           99% (21873/21920)
  zh-cn  Chinese (simplified)                      99% (6754/6765)
  zh-hk  Chinese Hong Kong Supplementary Character Set  99% (2212/2213)
  zh-mo  Chinese in Macau                          99% (2212/2213)
  zh-sg  Chinese in Singapore                      99% (6754/6765)
  zh-tw  Chinese (traditional)                     99% (13051/13063)
  zu     Zulu                                     100% (52/52)
  ----------------------------------------------------------------
 V.    About "WenQuanYi Project"
 The "Wen Quan Yi" Project [5] was founded by Qianqian Fang [6] in
 Oct. 2004. The goal of this project is to create a web-based
 collaborative environment for open-source type-face development.
 The initial focus of the project is to create high quality bitmap
 character glyphs and outline fonts for all 70,000+ CJK characters
 currently encoded by the Unicode Consortium. Some of the fonts
 released by this project have been widely used as the default
 Chinese desktop fonts by main-stream GNU/Linux distributions.
 The Wen Quan Yi Project uses wiki [5] as the primary development
 tool for glyph creation, documentation and coordinations. Wen Quan Yi
 wiki also supports glyph version control and nightly build.
 VI.    Links
 [1] http://wenq.org/index.cgi?Fontopia(cn)
 [2] http://android.git.kernel.org/?p=platform/frameworks/base.git;a=commit;h=1a2
 d9dbe9c6f54c5e0dc26386dc01df1d18073ad
 [3] http://wenq.org/dev/index.cgi?BigBang_TASK
 [4] http://wenq.org/WQYHistory.html.gz
 [5] http://wenq.org/en/
 [6] http://nmr.mgh.harvard.edu/~fangq/
 VII. Appendix
 Appendix A.
 Copyright disclaimer for UmeFont
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 3. Neither the name of the Wada Laboratory, the University of Tokyo nor
   the names of its contributors may be used to endorse or promote products
   derived from this software without specific prior written permission.
 THIS SOFTWARE IS PROVIDED BY WADA LABORATORY, THE UNIVERSITY OF TOKYO AND
 CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE LABORATORY OR
 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 Appendix B.
 GPL with font embedding exception:
 http://www.gnu.org/licenses/old-licenses/gpl-2.0-faq.html#FontException
 As a special exception, if you create a document which uses this
 font, and embed this font or unaltered portions of this font into
 the document, this font does not by itself cause the resulting
 document to be covered by the GNU General Public License. This
 exception does not however invalidate any other reasons why the
 document might be covered by the GNU General Public License. If you
 modify this font, you may extend this exception to your version of
 the font, but you are not obligated to do so. If you do not wish to
 do so, delete this exception statement from your version.
@@ -1,102 +0,0 @@
 <!DOCTYPE html>
 <html>
 	<head>
 		<title>wldash</title>
 		<meta http-equiv="refresh" content="0; URL=https://kl.wtf/projects/wldash">
 		<link rel="canonical" href="https://kl.wtf/projects/wldash">
 		<meta name="viewport" content="width=device-width, initial-scale=1.0">
 		<style>
 			body {
 				display: grid;
 				justify-items: center;
 				align-items: center;
 			}
 			h1 {
 				font-size: 3em;
 				text-align: center;
 				font-family: monospace;
 			}
 			h2 {
 				text-align: center;
 				font-family: monospace;
 			}
 			h3 {
 				font-family: monospace;
 			}
 			header {
 				width: 100%;
 				max-width: 720px;
 			}
 			section {
 				width: 100%;
 				max-width: 720px;
 			}
 			a {
 				text-decoration: unset;
 				color: rgb(100, 100, 100);
 			}
 			li {
 				list-style-type: '— ';
 			}
 			p {
 				margin-bottom: 2em;
 			}
 			img {
 				width: 100%;
 				border-radius: 10px;
 			}
 		</style>
 	</head>
 	<body>
 		<header>
 			<h1>wldash</h1>
 			<h2>wayland launcher/dashboard</h2>
 		</header>
 		<section>
 			<img src="images/wldash.jpg" alt="screenshot of wldash" />
 			<p>
 				<a href="https://github.com/kennylevinsen/wldash"><code>wldash</code></a> is a convenient dashboard and launcher for Wayland (requires wlr-layer-shell-unstable-v1 support), allowing easy access to things like date and time, backlight and volume control.
 			</p>
 			<h3>How to get wldash</h3>
 			<ul>
 				<li><a href="https://github.com/kennylevinsen/wldash/releases">Download the latest release from GitHub</a></li>
 				<li>To build:
 					<pre><code>
 git clone https://github.com/kennylevinsen/wldash
 cd wldash
 cargo build --release
 cp ./target/release/wldash /usr/local/bin/
 wldash
 					</code></pre>
 				</li>
 			</ul>
 			<h3>Usage</h3>
 			<p>
 				Run <code>wldash print-config</code> to see the current configuration. Use that as template to write a new one to <code>~/.config/wldash/config.json</code>. The widgets, their size and layout can be configured as well.
 			</p>
 			<p>
 				To make wldash toggle itself every time it is started, instantiate with <code>wldash start-or-kill</code>.
 			</p>
 			<p>
 				To run arbitrary command, type <code>!</code>. To use built-in calculator, type <code>=</code>.
 			</p>
 			<p>
 				Hint: Try to scroll, left-click and right-click on things.
 			</p>
 			<h3>Links</h3>
 			<p>
 				<ul>
 					<li>Github link: <a href="https://github.com/kennylevinsen/wldash">https://github.com/kennylevinsen/wldash</a></li>
 					<li>IRC: #wldash @ irc.freenode.net</li>
 				</ul>
 			</p>
 			<h3>Donate</h3>
 			<ul>
 				<li><a href="https://en.liberapay.com/kennylevinsen/">LiberaPay</a></li>
 			</ul>
 			<p>
 				<a href="https://kl.wtf/">© 2019, Kenny Levinsen</a>
 			</p>
 		</section>
 	</body>
 </html>
@@ -0,0 +1,570 @@
 use std::collections::VecDeque;
 use std::sync::mpsc::Sender;
 use std::sync::{Arc, Mutex};
 use chrono::Local;
 use smithay_client_toolkit::keyboard::{
    keysyms, map_keyboard_auto, Event as KbEvent, KeyState, ModifiersState,
 };
 use wayland_client::protocol::{wl_compositor, wl_output, wl_pointer, wl_shm, wl_surface};
 use wayland_client::{Display, EventQueue, GlobalEvent, GlobalManager, NewProxy};
 use wayland_protocols::wlr::unstable::layer_shell::v1::client::{
    zwlr_layer_shell_v1, zwlr_layer_surface_v1,
 };
 use crate::buffer::Buffer;
 use crate::color::Color;
 use crate::widget::{DrawContext, Widget};
 use crate::cmd::Cmd;
 use crate::doublemempool::DoubleMemPool;
 #[derive(Debug)]
 pub enum OutputMode {
    Active,
    All,
 }
 struct AppInner {
    compositor: Option<wl_compositor::WlCompositor>,
    surfaces: Vec<wl_surface::WlSurface>,
    shell_surfaces: Vec<zwlr_layer_surface_v1::ZwlrLayerSurfaceV1>,
    configured_surfaces: Arc<Mutex<usize>>,
    outputs: Vec<(u32, wl_output::WlOutput)>,
    shell: Option<zwlr_layer_shell_v1::ZwlrLayerShellV1>,
    draw_tx: Sender<Cmd>,
    output_mode: OutputMode,
    visible: bool,
    scale: u32,
 }
 impl AppInner {
    fn new(tx: Sender<Cmd>, output_mode: OutputMode, scale: u32) -> AppInner {
        AppInner {
            compositor: None,
            surfaces: Vec::new(),
            shell_surfaces: Vec::new(),
            configured_surfaces: Arc::new(Mutex::new(0)),
            outputs: Vec::new(),
            shell: None,
            draw_tx: tx,
            output_mode: output_mode,
            visible: true,
            scale: scale,
        }
    }
    fn add_shell_surface(
        compositor: &wl_compositor::WlCompositor,
        shell: &zwlr_layer_shell_v1::ZwlrLayerShellV1,
        scale: u32,
        configured_surfaces: Arc<Mutex<usize>>,
        tx: Sender<Cmd>,
        output: Option<&wl_output::WlOutput>,
    ) -> (
        wl_surface::WlSurface,
        zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
    ) {
        let surface = compositor
            .create_surface(NewProxy::implement_dummy)
            .unwrap();
        let this_is_stupid = Arc::new(Mutex::new(false));
        let shell_surface = shell
            .get_layer_surface(
                &surface,
                output,
                zwlr_layer_shell_v1::Layer::Overlay,
                "".to_string(),
                move |layer| {
                    layer.implement_closure(
                        move |evt, layer| match evt {
                            zwlr_layer_surface_v1::Event::Configure { serial, .. } => {
                                let mut x = this_is_stupid.lock().unwrap();
                                if !*x {
                                    *x = true;
                                    *(configured_surfaces.lock().unwrap()) += 1;
                                    layer.ack_configure(serial);
                                    tx.send(Cmd::ForceDraw).unwrap();
                                }
                            }
                            _ => unreachable!(),
                        },
                        (),
                    )
                },
            )
            .unwrap();
        shell_surface.set_keyboard_interactivity(1);
        surface.set_buffer_scale(scale as i32);
        surface.commit();
        (surface, shell_surface)
    }
    fn outputs_changed(&mut self) {
        let shell = match self.shell {
            Some(ref shell) => shell.to_owned(),
            None => return,
        };
        let compositor = match self.compositor {
            Some(ref c) => c.to_owned(),
            None => return,
        };
        for shell_surface in self.shell_surfaces.iter() {
            shell_surface.destroy();
        }
        for surface in self.surfaces.iter() {
            surface.destroy();
        }
        self.configured_surfaces = Arc::new(Mutex::new(0));
        if !self.visible {
            self.surfaces = Vec::new();
            self.shell_surfaces = Vec::new();
            return;
        }
        match self.output_mode {
            OutputMode::Active => {
                if self.shell_surfaces.len() > 0 {
                    return;
                }
                let (surface, shell_surface) = AppInner::add_shell_surface(
                    &compositor,
                    &shell,
                    self.scale,
                    self.configured_surfaces.clone(),
                    self.draw_tx.clone(),
                    None,
                );
                self.surfaces = vec![surface];
                self.shell_surfaces = vec![shell_surface];
            }
            OutputMode::All => {
                let mut surfaces = Vec::new();
                let mut shell_surfaces = Vec::new();
                for output in self.outputs.iter() {
                    let (surface, shell_surface) = AppInner::add_shell_surface(
                        &compositor,
                        &shell,
                        self.scale,
                        self.configured_surfaces.clone(),
                        self.draw_tx.clone(),
                        Some(&output.1),
                    );
                    surfaces.push(surface);
                    shell_surfaces.push(shell_surface);
                }
                self.surfaces = surfaces;
                self.shell_surfaces = shell_surfaces;
            }
        }
        self.draw_tx.send(Cmd::ForceDraw).unwrap();
    }
    fn add_output(&mut self, id: u32, output: wl_output::WlOutput) {
        self.outputs.push((id, output));
        self.outputs_changed();
    }
    fn remove_output(&mut self, id: u32) {
        let old_output = self.outputs.iter().find(|(output_id, _)| *output_id == id);
        if let Some(output) = old_output {
            let new_outputs = self
                .outputs
                .iter()
                .filter(|(output_id, _)| *output_id != id)
                .map(|(x, y)| (x.clone(), y.clone()))
                .collect();
            if output.1.as_ref().version() >= 3 {
                output.1.release()
            }
            self.outputs = new_outputs;
            self.outputs_changed();
        }
    }
    fn set_compositor(&mut self, compositor: Option<wl_compositor::WlCompositor>) {
        self.compositor = compositor
    }
    fn set_shell(&mut self, shell: Option<zwlr_layer_shell_v1::ZwlrLayerShellV1>) {
        self.shell = shell
    }
 }
 pub struct App {
    pools: DoubleMemPool,
    display: Display,
    event_queue: EventQueue,
    cmd_queue: Arc<Mutex<VecDeque<Cmd>>>,
    widget: Option<Box<dyn Widget + Send>>,
    bg: Color,
    inner: Arc<Mutex<AppInner>>,
    last_damage: Option<Vec<(i32, i32, i32, i32)>>,
    last_dim: (u32, u32),
 }
 impl App {
    pub fn redraw(&mut self, force: bool) -> Result<(), ::std::io::Error> {
        let widget = match self.widget {
            Some(ref mut widget) => widget,
            None => return Ok(()),
        };
        let inner = self.inner.lock().unwrap();
        let time = Local::now();
        if !inner.visible
            || inner.shell_surfaces.len() != *inner.configured_surfaces.lock().unwrap()
            || inner.surfaces.len() == 0
        {
            // Not ready yet
            return Ok(());
        }
        let (last, pool) = match self.pools.pool() {
            Some((last, pool)) => (last, pool),
            None => return Ok(()),
        };
        let size = widget.size();
        let size_changed = self.last_dim != size;
        let force = force | size_changed;
        // resize the pool if relevant
        pool.resize((4 * size.0 * size.1) as usize)
            .expect("Failed to resize the memory pool.");
        let mmap = pool.mmap();
        let mut buf = Buffer::new(mmap, size);
        // Copy old damage
        let force = match (force, &self.last_damage) {
            (false, Some(d)) => {
                let lastmmap = last.mmap();
                let last = Buffer::new(lastmmap, size);
                if cfg!(feature = "damage_debug") {
                    buf.memset(&Color::new(0.5, 0.75, 0.75, 1.0));
                }
                for d in d {
                    last.copy_to(&mut buf, d.clone());
                }
                false
            }
            _ => true,
        };
        if force {
            buf.memset(&self.bg);
        }
        let report = widget.draw(
            &mut DrawContext {
                buf: &mut buf,
                bg: &self.bg,
                time: &time,
                force,
            },
            (0, 0),
        )?;
        mmap.flush().unwrap();
        if !force && !report.full_damage && report.damage.len() == 0 {
            // Nothing to do
            self.pools.never_mind();
            return Ok(());
        }
        // get a buffer and attach it
        let new_buffer = pool.buffer(
            0,
            report.width as i32,
            report.height as i32,
            4 * size.0 as i32,
            wl_shm::Format::Argb8888,
        );
        if size_changed {
            for shell_surface in inner.shell_surfaces.iter() {
                shell_surface.set_size(size.0 / inner.scale, size.1 / inner.scale);
            }
        }
        for surface in inner.surfaces.iter() {
            surface.attach(Some(&new_buffer), 0, 0);
            if cfg!(feature = "damage_debug") || force || report.full_damage {
                surface.damage_buffer(0, 0, size.0 as i32, size.1 as i32);
            } else {
                for d in report.damage.iter() {
                    surface.damage_buffer(d.0, d.1, d.2, d.3);
                }
            }
            surface.commit();
        }
        self.last_damage = if force || report.full_damage {
            Some(vec![(0, 0, size.0 as i32, size.1 as i32)])
        } else {
            Some(report.damage)
        };
        self.last_dim = size;
        Ok(())
    }
    pub fn hide(&mut self) {
        let mut inner = self.inner.lock().unwrap();
        inner.visible = false;
        self.last_dim = (0, 0);
        inner.outputs_changed();
    }
    pub fn show(&mut self) {
        let mut inner = self.inner.lock().unwrap();
        inner.visible = true;
        self.last_dim = (0, 0);
        inner.outputs_changed();
    }
    pub fn cmd_queue(&self) -> Arc<Mutex<VecDeque<Cmd>>> {
        self.cmd_queue.clone()
    }
    pub fn flush_display(&mut self) {
        self.display.flush().expect("unable to flush display");
    }
    pub fn event_queue(&mut self) -> &mut EventQueue {
        &mut self.event_queue
    }
    pub fn get_widget(&mut self) -> &mut Box<dyn Widget + Send> {
        self.widget.as_mut().unwrap()
    }
    pub fn set_widget(&mut self, w: Box<dyn Widget + Send>) -> Result<(), ::std::io::Error> {
        self.widget = Some(w);
        self.redraw(true)
    }
    pub fn new(tx: Sender<Cmd>, output_mode: OutputMode, bg: Color, scale: u32) -> App {
        let inner = Arc::new(Mutex::new(AppInner::new(tx.clone(), output_mode, scale)));
        //
        // Set up modules
        //
        let cmd_queue = Arc::new(Mutex::new(VecDeque::new()));
        let (display, mut event_queue) = Display::connect_to_env().unwrap();
        let display_wrapper = display
            .as_ref()
            .make_wrapper(&event_queue.get_token())
            .unwrap()
            .into();
        //
        // Set up global manager
        //
        let inner_global = inner.clone();
        let manager =
            GlobalManager::new_with_cb(&display_wrapper, move |event, registry| match event {
                GlobalEvent::New {
                    id,
                    ref interface,
                    version,
                } => {
                    if let "wl_output" = &interface[..] {
                        let output = registry
                            .bind(version, id, move |output| {
                                output.implement_closure(move |_, _| {}, ())
                            })
                            .unwrap();
                        inner_global.lock().unwrap().add_output(id, output);
                    }
                }
                GlobalEvent::Removed { id, ref interface } => {
                    if let "wl_output" = &interface[..] {
                        inner_global.lock().unwrap().remove_output(id);
                    }
                }
            });
        // double sync to retrieve the global list
        // and the globals metadata
        event_queue.sync_roundtrip().unwrap();
        event_queue.sync_roundtrip().unwrap();
        // wl_compositor
        let compositor: wl_compositor::WlCompositor = manager
            .instantiate_range(1, 4, NewProxy::implement_dummy)
            .expect("server didn't advertise `wl_compositor`");
        inner.lock().unwrap().set_compositor(Some(compositor));
        // wl_shm
        let shm_formats = Arc::new(Mutex::new(Vec::new()));
        let shm_formats2 = shm_formats.clone();
        let shm = manager
            .instantiate_range(1, 1, |shm| {
                shm.implement_closure(
                    move |evt, _| {
                        if let wl_shm::Event::Format { format } = evt {
                            shm_formats2.lock().unwrap().push(format);
                        }
                    },
                    (),
                )
            })
            .expect("server didn't advertise `wl_shm`");
        let pools = DoubleMemPool::new(&shm).expect("Failed to create a memory pool !");
        //
        // Get our seat
        //
        let seat = manager
            .instantiate_range(1, 6, NewProxy::implement_dummy)
            .unwrap();
        //
        // Keyboard processing
        //
        let kbd_clone = cmd_queue.clone();
        let modifiers_state = Arc::new(Mutex::new(ModifiersState {
            ctrl: false,
            alt: false,
            shift: false,
            caps_lock: false,
            logo: false,
            num_lock: false,
        }));
        map_keyboard_auto(&seat, move |event: KbEvent, _| match event {
            KbEvent::Key {
                keysym,
                utf8,
                state,
                ..
            } => match state {
                KeyState::Pressed => match keysym {
                    keysyms::XKB_KEY_Escape => kbd_clone.lock().unwrap().push_back(Cmd::Exit),
                    keysyms::XKB_KEY_c if modifiers_state.lock().unwrap().ctrl => {
                        kbd_clone.lock().unwrap().push_back(Cmd::Exit)
                    }
                    v => kbd_clone.lock().unwrap().push_back(Cmd::Keyboard {
                        key: v,
                        key_state: state,
                        modifiers_state: modifiers_state.lock().unwrap().clone(),
                        interpreted: utf8,
                    }),
                },
                _ => (),
            },
            KbEvent::Modifiers { modifiers } => *modifiers_state.lock().unwrap() = modifiers,
            _ => (),
        })
        .expect("Failed to map keyboard");
        //
        // Prepare shell so that we can create our shell surface
        //
        inner.lock().unwrap().set_shell(Some(
            if let Ok(layer) = manager.instantiate_exact(
                1,
                |layer: NewProxy<zwlr_layer_shell_v1::ZwlrLayerShellV1>| {
                    layer.implement_closure(|_, _| {}, ())
                },
            ) {
                layer
            } else {
                panic!("server didn't advertise `zwlr_layer_shell_v1`");
            },
        ));
        event_queue.sync_roundtrip().unwrap();
        //
        // Cursor processing
        //
        let pointer_clone = cmd_queue.clone();
        seat.get_pointer(move |ptr| {
            let mut pos: (u32, u32) = (0, 0);
            let mut vert_scroll: f64 = 0.0;
            let mut horiz_scroll: f64 = 0.0;
            let mut btn: u32 = 0;
            let mut btn_clicked = false;
            ptr.implement_closure(
                move |evt, _| match evt {
                    wl_pointer::Event::Enter {
                        surface_x,
                        surface_y,
                        ..
                    } => {
                        pos = (surface_x as u32, surface_y as u32);
                    }
                    wl_pointer::Event::Leave { .. } => {
                        pos = (0, 0);
                    }
                    wl_pointer::Event::Motion {
                        surface_x,
                        surface_y,
                        ..
                    } => {
                        pos = (surface_x as u32 * scale, surface_y as u32 * scale);
                    }
                    wl_pointer::Event::Axis { axis, value, .. } => {
                        if axis == wl_pointer::Axis::VerticalScroll {
                            vert_scroll += value;
                        }
                    }
                    wl_pointer::Event::Button { button, state, .. } => match state {
                        wl_pointer::ButtonState::Released => {
                            btn = button;
                            btn_clicked = true;
                        }
                        _ => {}
                    },
                    wl_pointer::Event::Frame => {
                        if vert_scroll != 0.0 || horiz_scroll != 0.0 {
                            pointer_clone.lock().unwrap().push_back(Cmd::MouseScroll {
                                scroll: (horiz_scroll, vert_scroll),
                                pos: pos,
                            });
                            vert_scroll = 0.0;
                            horiz_scroll = 0.0;
                        }
                        if btn_clicked {
                            pointer_clone
                                .lock()
                                .unwrap()
                                .push_back(Cmd::MouseClick { btn: btn, pos: pos });
                            btn_clicked = false;
                        }
                    }
                    _ => {}
                },
                (),
            )
        })
        .unwrap();
        display.flush().unwrap();
        App {
            display: display,
            event_queue: event_queue,
            cmd_queue: cmd_queue,
            pools: pools,
            widget: None,
            bg: bg,
            inner: inner,
            last_damage: None,
            last_dim: (0, 0),
        }
    }
 }
@@ -0,0 +1,180 @@
 use memmap::MmapMut;
 use crate::color::Color;
 pub struct Buffer<'a> {
    buf: &'a mut MmapMut,
    dimensions: (u32, u32),
    subdimensions: Option<(u32, u32, u32, u32)>,
 }
 impl<'a> Buffer<'a> {
    pub fn new(buf: &'a mut MmapMut, dimensions: (u32, u32)) -> Buffer {
        Buffer {
            buf: buf,
            dimensions: dimensions,
            subdimensions: None,
        }
    }
    pub fn get_bounds(&self) -> (u32, u32, u32, u32) {
        if let Some(subdim) = self.subdimensions {
            subdim
        } else {
            (0, 0, self.dimensions.0, self.dimensions.1)
        }
    }
    pub fn get_signed_bounds(&self) -> (i32, i32, i32, i32) {
        if let Some(subdim) = self.subdimensions {
            (
                subdim.0 as i32,
                subdim.1 as i32,
                subdim.2 as i32,
                subdim.3 as i32,
            )
        } else {
            (0, 0, self.dimensions.0 as i32, self.dimensions.1 as i32)
        }
    }
    pub fn copy_to(&self, other: &mut Buffer, (x, y, width, height): (i32, i32, i32, i32)) {
        debug_assert!(self.dimensions == other.dimensions);
        debug_assert!(self.subdimensions.is_none() && other.subdimensions.is_none());
        if x == 0 && width as u32 == self.dimensions.0 {
            // Full-width copy
            let offset = y as isize * self.dimensions.0 as isize;
            let n = height as usize * self.dimensions.0 as usize;
            unsafe {
                std::ptr::copy(
                    (self.buf.as_ptr() as *const u32).offset(offset),
                    (other.buf.as_mut_ptr() as *mut u32).offset(offset),
                    n,
                );
            }
        } else {
            // Row-by-row copy
            for cur_y in y as isize..(y + height) as isize {
                let offset = x as isize + cur_y as isize * self.dimensions.0 as isize;
                unsafe {
                    std::ptr::copy(
                        (self.buf.as_ptr() as *const u32).offset(offset),
                        (other.buf.as_mut_ptr() as *mut u32).offset(offset),
                        width as usize,
                    );
                }
            }
        }
    }
    pub fn subdimensions(
        &mut self,
        subdimensions: (u32, u32, u32, u32),
    ) -> Result<Buffer, ::std::io::Error> {
        let bounds = self.get_bounds();
        if subdimensions.0 + subdimensions.2 >= bounds.2
            || subdimensions.1 + subdimensions.3 >= bounds.3
        {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                format!(
                    "cannot create subdimensions larger than buffer: {:?} > {:?}",
                    subdimensions, bounds
                ),
            ));
        }
        Ok(Buffer {
            buf: self.buf,
            dimensions: self.dimensions,
            subdimensions: Some((
                subdimensions.0 + bounds.0,
                subdimensions.1 + bounds.1,
                subdimensions.2,
                subdimensions.3,
            )),
        })
    }
    pub fn offset(&mut self, offset: (u32, u32)) -> Result<Buffer, ::std::io::Error> {
        let bounds = self.get_bounds();
        if offset.0 > bounds.2 || offset.1 > bounds.3 {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                format!(
                    "cannot create offset outside buffer: {:?} > {:?}",
                    offset, bounds
                ),
            ));
        }
        Ok(Buffer {
            buf: self.buf,
            dimensions: self.dimensions,
            subdimensions: Some((
                offset.0 + bounds.0,
                offset.1 + bounds.1,
                bounds.2 - offset.0,
                bounds.3 - offset.1,
            )),
        })
    }
    pub fn memset(&mut self, c: &Color) {
        if let Some(subdim) = self.subdimensions {
            unsafe {
                let ptr = self.buf.as_mut_ptr();
                for y in subdim.1..(subdim.1 + subdim.3) {
                    for x in subdim.0..(subdim.0 + subdim.2) {
                        *((ptr as *mut u32).offset((x + y * self.dimensions.0) as isize)) =
                            c.as_argb8888();
                    }
                }
            }
        } else {
            unsafe {
                let ptr = self.buf.as_mut_ptr();
                for p in 0..(self.dimensions.0 * self.dimensions.1) {
                    *((ptr as *mut u32).offset(p as isize)) = c.as_argb8888();
                }
            }
        }
    }
    pub fn put(&mut self, pos: (u32, u32), c: &Color) -> Result<(), ::std::io::Error> {
        let true_pos = if let Some(subdim) = self.subdimensions {
            if pos.0 >= subdim.2 || pos.1 >= subdim.3 {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    format!(
                        "put({:?}) is not within subdimensions of buffer ({:?})",
                        pos, subdim
                    ),
                ));
            }
            (pos.0 + subdim.0, pos.1 + subdim.1)
        } else {
            if pos.0 >= self.dimensions.0 || pos.1 >= self.dimensions.1 {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    format!(
                        "put({:?}) is not within dimensions of buffer ({:?})",
                        pos, self.dimensions
                    ),
                ));
            }
            pos
        };
        unsafe {
            let ptr = self
                .buf
                .as_mut_ptr()
                .offset(4 * (true_pos.0 + (true_pos.1 * self.dimensions.0)) as isize);
            *(ptr as *mut u32) = c.as_argb8888();
        };
        Ok(())
    }
 }
@@ -0,0 +1,22 @@
 use smithay_client_toolkit::keyboard::{KeyState, ModifiersState};
 pub enum Cmd {
    Exit,
    Draw,
    ForceDraw,
    ToggleVisible,
    MouseClick {
        btn: u32,
        pos: (u32, u32),
    },
    MouseScroll {
        scroll: (f64, f64),
        pos: (u32, u32),
    },
    Keyboard {
        key: u32,
        key_state: KeyState,
        modifiers_state: ModifiersState,
        interpreted: Option<String>,
    },
 }
@@ -0,0 +1,71 @@
 use serde::{Deserialize, Serialize};
 #[derive(Serialize, Deserialize, Debug, Clone, Copy, Default)]
 pub struct Color {
    red: f32,
    green: f32,
    blue: f32,
    opacity: f32,
 }
 impl Color {
    pub fn new(red: f32, green: f32, blue: f32, opacity: f32) -> Color {
        let (red, green, blue, opacity) = clamp(red, green, blue, opacity);
        Color {
            red,
            green,
            blue,
            opacity,
        }
    }
    pub fn blend(&self, other: &Color, ratio: f32) -> Color {
        let ratio = clamp_f32(ratio, 0.0, 1.0);
        Color {
            red: blend_f32(self.red, other.red, ratio),
            green: blend_f32(self.green, other.green, ratio),
            blue: blend_f32(self.blue, other.blue, ratio),
            opacity: blend_f32(self.opacity, other.opacity, ratio),
        }
    }
    #[inline]
    pub fn as_argb8888(&self) -> u32 {
        ((255.0 * self.opacity) as u32 & 0xFF) << 24
            | ((255.0 * self.red) as u32 & 0xFF) << 16
            | ((255.0 * self.green) as u32 & 0xFF) << 8
            | ((255.0 * self.blue) as u32 & 0xFF)
    }
 }
 #[inline]
 fn clamp(r: f32, g: f32, b: f32, o: f32) -> (f32, f32, f32, f32) {
    clamp_naive(r, g, b, o)
 }
 #[inline]
 fn clamp_naive(r: f32, g: f32, b: f32, o: f32) -> (f32, f32, f32, f32) {
    (
        clamp_f32(r, 0.0, 1.0),
        clamp_f32(g, 0.0, 1.0),
        clamp_f32(b, 0.0, 1.0),
        clamp_f32(o, 0.0, 1.0),
    )
 }
 #[inline]
 fn clamp_f32(v: f32, a: f32, b: f32) -> f32 {
    if v > b {
        b
    } else if v < a {
        a
    } else {
        v
    }
 }
 #[inline]
 fn blend_f32(a: f32, b: f32, r: f32) -> f32 {
    a + ((b - a) * r)
 }
@@ -0,0 +1,237 @@
 use crate::cmd::Cmd;
 use crate::color::Color;
 use crate::widget;
 use crate::widgets;
 use serde::{Deserialize, Serialize};
 use std::default::Default;
 use std::sync::mpsc::Sender;
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub enum Widget {
    Margin {
        margins: (u32, u32, u32, u32),
        widget: Box<Widget>,
    },
    Fixed {
        width: u32,
        height: u32,
        widget: Box<Widget>,
    },
    HorizontalLayout(Vec<Box<Widget>>),
    VerticalLayout(Vec<Box<Widget>>),
    Clock {
        font_size: f32,
    },
    Date {
        font_size: f32,
    },
    Calendar {
        font_size: f32,
        sections: u32,
    },
    Launcher {
        font_size: f32,
        length: u32,
        #[serde(default)]
        app_opener: String,
        #[serde(default)]
        term_opener: String,
        #[serde(default)]
        url_opener: String,
    },
    Battery {
        font_size: f32,
        length: u32,
    },
    Backlight {
        font_size: f32,
        length: u32,
    },
    #[cfg(feature = "pulseaudio-widget")]
    PulseAudio {
        font_size: f32,
        length: u32,
    },
    #[cfg(feature = "alsa-widget")]
    AlsaSound {
        font_size: f32,
        length: u32,
    },
    NetworkManager {
        font_size: f32,
        length: u32,
    }
 }
 impl Widget {
    pub fn construct(self, tx: Sender<Cmd>) -> Option<Box<dyn widget::Widget + Send>> {
        match self {
            Widget::Margin { margins, widget } => match widget.construct(tx.clone()) {
                Some(w) => Some(widget::Margin::new(margins, w)),
                None => None,
            },
            Widget::Fixed {
                width,
                height,
                widget,
            } => match widget.construct(tx.clone()) {
                Some(w) => Some(widget::Fixed::new((width, height), w)),
                None => None,
            },
            Widget::HorizontalLayout(widgets) => Some(widget::HorizontalLayout::new(
                widgets
                    .into_iter()
                    .map(|x| x.construct(tx.clone()))
                    .filter(|x| x.is_some())
                    .map(|x| x.unwrap())
                    .collect(),
            )),
            Widget::VerticalLayout(widgets) => Some(widget::VerticalLayout::new(
                widgets
                    .into_iter()
                    .map(|x| x.construct(tx.clone()))
                    .filter(|x| x.is_some())
                    .map(|x| x.unwrap())
                    .collect(),
            )),
            Widget::Clock { font_size } => Some(widgets::clock::Clock::new(font_size)),
            Widget::Date { font_size } => Some(widgets::date::Date::new(font_size)),
            Widget::Calendar {
                font_size,
                sections,
            } => Some(widgets::calendar::Calendar::new(font_size, sections)),
            Widget::Launcher {
                font_size,
                length,
                app_opener,
                term_opener,
                url_opener,
            } => Some(widgets::launcher::Launcher::new(
                font_size,
                length,
                tx.clone(),
                app_opener,
                term_opener,
                if url_opener.len() == 0 {
                    "xdg_open ".to_string()
                } else {
                    url_opener
                },
            )),
            Widget::Battery { font_size, length } => {
                match widgets::battery::UpowerBattery::new(font_size, length, tx.clone()) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
            Widget::Backlight { font_size, length } => {
                match widgets::backlight::Backlight::new(font_size, length) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
            #[cfg(feature = "pulseaudio-widget")]
            Widget::PulseAudio { font_size, length } => {
                match widgets::audio::PulseAudio::new(font_size, length, tx.clone()) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
            #[cfg(feature = "alsa-widget")]
            Widget::AlsaSound { font_size, length } => {
                match widgets::audio::Alsa::new(font_size, length) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
            Widget::NetworkManager { font_size, length } => {
                match widgets::networkmanager::NetworkManager::new(font_size, length, tx.clone()) {
                    Ok(w) => Some(w),
                    Err(_) => None,
                }
            }
        }
    }
 }
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub enum OutputMode {
    All,
    Active,
 }
 impl Default for OutputMode {
    fn default() -> Self {
        OutputMode::Active
    }
 }
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct Config {
    pub output_mode: OutputMode,
    pub scale: u32,
    pub background: Color,
    pub widget: Widget,
 }
 impl Default for Config {
    fn default() -> Self {
        Config {
            widget: Widget::Margin {
                margins: (20, 20, 20, 20),
                widget: Box::new(Widget::VerticalLayout(vec![
                    Box::new(Widget::HorizontalLayout(vec![
                        Box::new(Widget::Margin {
                            margins: (0, 88, 0, 32),
                            widget: Box::new(Widget::VerticalLayout(vec![
                                Box::new(Widget::Date { font_size: 64.0 }),
                                Box::new(Widget::Clock { font_size: 256.0 }),
                            ])),
                        }),
                        Box::new(Widget::VerticalLayout(vec![
                            Box::new(Widget::Margin {
                                margins: (0, 0, 0, 8),
                                widget: Box::new(Widget::Battery {
                                    font_size: 24.0,
                                    length: 600,
                                }),
                            }),
                            Box::new(Widget::Margin {
                                margins: (0, 0, 0, 8),
                                widget: Box::new(Widget::Backlight {
                                    font_size: 24.0,
                                    length: 600,
                                }),
                            }),
                            #[cfg(feature = "pulseaudio-widget")]
                            Box::new(Widget::Margin {
                                margins: (0, 0, 0, 8),
                                widget: Box::new(Widget::PulseAudio {
                                    font_size: 24.0,
                                    length: 600,
                                }),
                            }),
                        ])),
                    ])),
                    Box::new(Widget::Calendar {
                        font_size: 16.0,
                        sections: 3,
                    }),
                    Box::new(Widget::Launcher {
                        font_size: 32.0,
                        length: 1200,
                        app_opener: "".to_string(),
                        term_opener: "".to_string(),
                        url_opener: "".to_string(),
                    }),
                ])),
            },
            output_mode: Default::default(),
            scale: 1,
            background: Color::new(0.0, 0.0, 0.0, 0.9),
        }
    }
 }
@@ -0,0 +1,61 @@
 use serde::{de::DeserializeOwned, Serialize};
 use std::io::BufRead;
 pub enum ConfigFmt {
    #[cfg(feature = "yaml-cfg")]
    Yaml,
    #[cfg(feature = "json-cfg")]
    Json,
 }
 pub const CONFIG_NAMES: &'static [&'static str] = &[
    #[cfg(feature = "yaml-cfg")]
    "config.yaml",
    #[cfg(feature = "json-cfg")]
    "config.json",
 ];
 impl ConfigFmt {
    #[inline]
    pub fn new(ext: &str) -> Option<Self> {
        match ext {
            #[cfg(feature = "yaml-cfg")]
            "yaml" => Some(ConfigFmt::Yaml),
            #[cfg(feature = "json-cfg")]
            "json" => Some(ConfigFmt::Json),
            _ => None,
        }
    }
    #[inline]
    pub fn from_reader<B: BufRead, T: DeserializeOwned>(&self, r: B) -> T {
        match self {
            #[cfg(feature = "yaml-cfg")]
            ConfigFmt::Yaml => serde_yaml::from_reader(r).unwrap(),
            #[cfg(feature = "json-cfg")]
            ConfigFmt::Json => serde_json::from_reader(r).unwrap(),
        }
    }
    #[inline]
    pub fn to_string<T: Serialize + ?Sized>(&self, src: &T) -> String {
        match self {
            #[cfg(feature = "yaml-cfg")]
            ConfigFmt::Yaml => serde_yaml::to_string(&src).unwrap(),
            #[cfg(feature = "json-cfg")]
            ConfigFmt::Json => serde_json::to_string_pretty(&src).unwrap(),
        }
    }
 }
 impl Default for ConfigFmt {
    fn default() -> Self {
        // attributes require curly braces to work
        #[cfg(feature = "yaml-cfg")]
        {
            ConfigFmt::Yaml
        }
        #[cfg(all(feature = "json-cfg", not(feature = "yaml-cfg")))]
        {
            ConfigFmt::Json
        }
    }
 }
@@ -0,0 +1,101 @@
 extern crate ini;
 use ini::{Ini, ParseOption};
 use std::cmp::Ordering;
 use std::env;
 use std::error::Error;
 use std::fs;
 use std::io::Error as io_error;
 use std::io::ErrorKind;
 #[derive(Clone, Debug, Eq)]
 pub struct Desktop {
    pub entry_type: String,
    pub name: String,
    pub no_display: bool,
    pub hidden: bool,
    pub exec: Option<String>,
    pub url: Option<String>,
    pub term: bool,
 }
 impl Desktop {
    fn parse(f: &str) -> Result<Desktop, Box<dyn Error>> {
        let file = Ini::load_from_file_opt(
            f,
            ParseOption {
                enabled_quote: false,
                enabled_escape: false,
            },
        )?;
        match file.section(Some("Desktop Entry")) {
            Some(desktop) => Ok(Desktop {
                entry_type: desktop.get("Type").unwrap_or(&"".to_string()).to_string(),
                name: desktop.get("Name").unwrap_or(&"".to_string()).to_string(),
                term: desktop.get("Terminal").unwrap_or(&"".to_string()) == "true",
                no_display: desktop.get("NoDisplay").unwrap_or(&"".to_string()) == "true",
                hidden: desktop.get("Hidden").unwrap_or(&"".to_string()) == "true",
                exec: desktop.get("Exec").map(|x| x.to_string()),
                url: desktop.get("URL").map(|x| x.to_string()),
            }),
            None => Err(Box::new(io_error::new(
                ErrorKind::NotFound,
                "no desktop entry in file",
            ))),
        }
    }
    fn parse_dir(d: &str) -> Result<Vec<Desktop>, Box<dyn Error>> {
        let mut files: Vec<Desktop> = Vec::with_capacity(16);
        for entry in fs::read_dir(d)? {
            let entry = entry?;
            let path = entry.path();
            if let Ok(d) = Desktop::parse(path.to_str().unwrap()) {
                files.push(d)
            }
        }
        Ok(files)
    }
 }
 impl Ord for Desktop {
    fn cmp(&self, other: &Self) -> Ordering {
        self.name.cmp(&other.name)
    }
 }
 impl PartialOrd for Desktop {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
 }
 impl PartialEq for Desktop {
    fn eq(&self, other: &Self) -> bool {
        self.name == other.name
    }
 }
 pub fn load_desktop_files() -> Vec<Desktop> {
    let home = env::var_os("HOME").unwrap().into_string().unwrap();
    let xdg_data_home = match env::var_os("XDG_DATA_HOME") {
        Some(s) => s.into_string().unwrap(),
        None => format!("{}/.local/share", home).to_string(),
    };
    let xdg_data_dirs = match env::var_os("XDG_DATA_DIRS") {
        Some(s) => s.into_string().unwrap(),
        None => "/usr/local/share:/usr/share".to_string(),
    };
    std::iter::once(xdg_data_home.as_str())
        .chain(xdg_data_dirs.split(":"))
        .map(|p| Desktop::parse_dir(&format!("{}/applications", p)))
        .filter_map(Result::ok)
        .flatten()
        .filter(|d| {
            !d.hidden && !d.no_display && (d.entry_type == "Application" || d.entry_type == "Link")
        })
        .collect()
 }
@@ -0,0 +1,38 @@
 use smithay_client_toolkit::utils::MemPool;
 use wayland_client::protocol::wl_shm;
 pub struct DoubleMemPool {
    pool1: MemPool,
    pool2: MemPool,
    switch: bool,
 }
 impl DoubleMemPool {
    pub fn new(shm: &wl_shm::WlShm) -> ::std::io::Result<DoubleMemPool> {
        Ok(DoubleMemPool {
            pool1: MemPool::new(shm, move || {})?,
            pool2: MemPool::new(shm, move || {})?,
            switch: false,
        })
    }
    pub fn pool(&mut self) -> Option<(&mut MemPool, &mut MemPool)> {
        let switch = self.switch;
        self.switch = !self.switch;
        let (last, cur) = if !switch {
            (&mut self.pool2, &mut self.pool1)
        } else {
            (&mut self.pool1, &mut self.pool2)
        };
        if cur.is_used() {
            None
        } else {
            Some((last, cur))
        }
    }
    pub fn never_mind(&mut self) {
        self.switch = !self.switch;
    }
 }
@@ -0,0 +1,263 @@
 use crate::buffer::Buffer;
 use crate::color::Color;
 use std::collections::HashMap;
 use lazy_static::lazy_static;
 use rusttype::{point, Font as RustFont, Scale};
 pub static DEJAVUSANS_MONO_FONT_DATA: &'static [u8] =
    include_bytes!("../fonts/dejavu/DejaVuSansMono.ttf");
 pub static ROBOTO_REGULAR_FONT_DATA: &'static [u8] = include_bytes!("../fonts/Roboto-Regular.ttf");
 lazy_static! {
    pub static ref DEJAVUSANS_MONO: RustFont<'static> =
        RustFont::from_bytes(DEJAVUSANS_MONO_FONT_DATA as &[u8])
            .expect("error constructing DejaVuSansMono");
    pub static ref ROBOTO_REGULAR: RustFont<'static> =
        RustFont::from_bytes(ROBOTO_REGULAR_FONT_DATA as &[u8])
            .expect("error constructing Roboto-Regular");
 }
 struct CachedGlyph {
    dimensions: (u32, u32),
    origin: (i32, i32),
    render: Vec<f32>,
 }
 impl CachedGlyph {
    fn new(font: &RustFont, size: f32, ch: char) -> CachedGlyph {
        let scale = Scale::uniform(size);
        let v_metrics = font.v_metrics(scale);
        let glyph = font
            .glyph(ch)
            .scaled(scale)
            .positioned(point(0.0, v_metrics.ascent));
        if let Some(bounding_box) = glyph.pixel_bounding_box() {
            let origin = (bounding_box.min.x, bounding_box.min.y);
            let dimensions = (
                (bounding_box.max.x - bounding_box.min.x) as u32,
                (bounding_box.max.y - bounding_box.min.y) as u32,
            );
            let mut render = vec![0.0; (dimensions.0 * dimensions.1) as usize];
            glyph.draw(|x, y, o| {
                let pos = x + (y * dimensions.0);
                render[pos as usize] = o;
            });
            CachedGlyph {
                origin: origin,
                dimensions: dimensions,
                render: render,
            }
        } else {
            CachedGlyph {
                origin: (0, 0),
                dimensions: ((size / 4.0) as u32, 0),
                render: Vec::new(),
            }
        }
    }
    fn draw(&self, buf: &mut Buffer, pos: (i32, i32), bg: &Color, c: &Color) {
        let mut x = 0;
        let mut y = 0;
        for v in &self.render {
            let _ = buf.put(
                (
                    (x + pos.0 + self.origin.0) as u32,
                    (y + pos.1 + self.origin.1) as u32,
                ),
                &bg.blend(&c, *v),
            );
            if x == self.dimensions.0 as i32 - 1 {
                y += 1;
                x = 0;
            } else {
                x += 1;
            }
        }
    }
 }
 pub struct Font {
    glyphs: HashMap<char, CachedGlyph>,
    font: &'static RustFont<'static>,
    size: f32,
 }
 impl Font {
    pub fn new(font: &'static RustFont, size: f32) -> Font {
        Font {
            glyphs: HashMap::new(),
            font: font,
            size: size,
        }
    }
    pub fn add_str_to_cache(&mut self, s: &str) {
        for ch in s.chars() {
            if self.glyphs.get(&ch).is_none() {
                let glyph = CachedGlyph::new(self.font, self.size, ch);
                self.glyphs.insert(ch, glyph);
            }
        }
    }
    pub fn draw_text(
        &self,
        buf: &mut Buffer,
        bg: &Color,
        c: &Color,
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        let mut x_off = 0;
        let mut off = 0;
        let mut glyphs = Vec::with_capacity(s.len());
        for ch in s.chars() {
            let glyph = match self.glyphs.get(&ch) {
                Some(glyph) => glyph,
                None => {
                    return Err(::std::io::Error::new(
                        ::std::io::ErrorKind::Other,
                        format!("glyph for {:} not in cache", ch),
                    ))
                }
            };
            glyphs.push(glyph);
            if glyph.origin.1 < off {
                off = glyph.origin.1
            }
        }
        for glyph in glyphs {
            glyph.draw(buf, (x_off, -off), bg, c);
            x_off += glyph.dimensions.0 as i32 + glyph.origin.0;
        }
        Ok((x_off as u32, self.size as u32))
    }
    pub fn auto_draw_text(
        &mut self,
        buf: &mut Buffer,
        bg: &Color,
        c: &Color,
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        self.add_str_to_cache(s);
        self.draw_text(buf, bg, c, s)
    }
    pub fn draw_text_fixed_width(
        &self,
        buf: &mut Buffer,
        bg: &Color,
        c: &Color,
        distances: &[u32],
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        let mut x_off = 0;
        let mut off = 0;
        let mut glyphs = Vec::with_capacity(s.len());
        for ch in s.chars() {
            let glyph = match self.glyphs.get(&ch) {
                Some(glyph) => glyph,
                None => {
                    return Err(::std::io::Error::new(
                        ::std::io::ErrorKind::Other,
                        format!("glyph for {:} not in cache", ch),
                    ))
                }
            };
            glyphs.push(glyph);
            if glyph.origin.1 < off {
                off = glyph.origin.1
            }
        }
        for (idx, glyph) in glyphs.into_iter().enumerate() {
            glyph.draw(buf, (x_off, -off), bg, c);
            x_off += distances[idx] as i32;
        }
        Ok((x_off as u32, self.size as u32))
    }
    pub fn draw_text_individual_colors(
        &self,
        buf: &mut Buffer,
        bg: &Color,
        color: &[Color],
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        let mut x_off = 0;
        let mut off = 0;
        let mut glyphs = Vec::with_capacity(s.len());
        for ch in s.chars() {
            let glyph = match self.glyphs.get(&ch) {
                Some(glyph) => glyph,
                None => {
                    return Err(::std::io::Error::new(
                        ::std::io::ErrorKind::Other,
                        format!("glyph for {:} not in cache", ch),
                    ))
                }
            };
            glyphs.push(glyph);
            if glyph.origin.1 < off {
                off = glyph.origin.1
            }
        }
        for (idx, glyph) in glyphs.into_iter().enumerate() {
            glyph.draw(buf, (x_off, -off), bg, &color[idx]);
            x_off += glyph.dimensions.0 as i32 + glyph.origin.0;
        }
        Ok((x_off as u32, self.size as u32))
    }
    pub fn auto_draw_text_individual_colors(
        &mut self,
        buf: &mut Buffer,
        bg: &Color,
        color: &[Color],
        s: &str,
    ) -> Result<(u32, u32), ::std::io::Error> {
        self.add_str_to_cache(s);
        self.draw_text_individual_colors(buf, bg, color, s)
    }
 }
 pub fn draw_box(buf: &mut Buffer, c: &Color, dim: (u32, u32)) -> Result<(), ::std::io::Error> {
    for x in 0..dim.0 {
        let _ = buf.put((x, 0), c);
        let _ = buf.put((x, dim.1 - 1), c);
    }
    for y in 0..dim.1 {
        buf.put((0, y), c)?;
        buf.put((dim.0 - 1, y), c)?;
    }
    Ok(())
 }
 pub fn draw_bar(
    buf: &mut Buffer,
    color: &Color,
    length: u32,
    height: u32,
    fill: f32,
 ) -> Result<(), ::std::io::Error> {
    let mut fill_pos = ((length as f32) * fill) as u32;
    if fill_pos > length {
        fill_pos = length;
    }
    for y in 0..height {
        for x in 0..fill_pos {
            let _ = buf.put((x, y), color);
        }
    }
    Ok(())
 }
@@ -0,0 +1,361 @@
 use std::env;
 use std::fs::File;
 use std::io::{BufRead, BufReader, Read, Write};
 use std::os::unix::io::AsRawFd;
 use std::os::unix::net::{UnixListener, UnixStream};
 use std::sync::mpsc::channel;
 use chrono::{Duration, Local};
 use nix::poll::{poll, PollFd, PollFlags};
 use os_pipe::pipe;
 use timerfd::{SetTimeFlags, TimerFd, TimerState};
 mod app;
 mod buffer;
 mod cmd;
 mod color;
 mod config;
 mod configfmt;
 mod desktop;
 mod doublemempool;
 mod draw;
 mod widget;
 mod widgets;
 use app::{App, OutputMode};
 use cmd::Cmd;
 use config::Config;
 use configfmt::ConfigFmt;
 use widget::WaitContext;
 enum Mode {
    Start,
    Daemonize,
    StartOrKill,
    ToggleVisible,
    PrintConfig(ConfigFmt),
 }
 fn main() {
    let socket_path = match env::var("XDG_RUNTIME_DIR") {
        Ok(dir) => dir + "/wldash",
        Err(_) => "/tmp/wldash".to_string(),
    };
    let config_home = match env::var("XDG_CONFIG_HOME") {
        Ok(dir) => dir + "/wldash",
        Err(_) => match env::var("HOME") {
            Ok(home) => home + "/.config/wldash",
            Err(_) => panic!("unable to find user folder"),
        },
    };
    // From all existing files take the first readable one and write it's extension to `ext`
    let mut ext = [0x0; 8];
    let file = configfmt::CONFIG_NAMES
        .iter()
        .map(|name| std::path::Path::new(&config_home).join(name))
        .filter_map(|path| {
            match File::open(&path) {
                Ok(file) => {
                    let e = path.extension().and_then(|e| e.to_str())?;
                    let len = e.len();
                    let from = len.saturating_sub(8); // the longest possible extension
                    ext[0..len - from].copy_from_slice(&e.as_bytes()[from..]);
                    Some(file)
                }
                Err(_) => None,
            }
        })
        .next();
    let fmt = std::str::from_utf8(&ext)
        .ok()
        .and_then(ConfigFmt::new)
        .unwrap_or_default();
    let config: Config = file
        .map(|f| fmt.from_reader(BufReader::new(f)))
        .unwrap_or_default();
    let scale = config.scale;
    let mut args = env::args();
    let _ = args.next();
    let mode = match args.next() {
        Some(arg) => match arg.as_str() {
            "start" => Mode::Daemonize,
            "start-or-kill" => Mode::StartOrKill,
            "toggle-visible" => Mode::ToggleVisible,
            "print-config" => Mode::PrintConfig(fmt),
            s => {
                let p = "print-config-";
                let l = p.len();
                let fmt = if s.starts_with(p) {
                    ConfigFmt::new(&s[l..])
                } else {
                    None
                };
                if let Some(fmt) = fmt {
                    Mode::PrintConfig(fmt)
                } else {
                    eprintln!("unsupported sub-command {}", s);
                    std::process::exit(1);
                }
            }
        },
        None => Mode::Start,
    };
    if let Some(_) = args.next() {
        // total = args.count + 2 (the two we skipped + the rest)
        eprintln!("expected 0 or 1 arguments, got {}", args.count() + 2);
        std::process::exit(1);
    }
    let mut daemon = false;
    match mode {
        Mode::ToggleVisible => {
            if let Ok(mut socket) = UnixStream::connect(socket_path.clone()) {
                socket.write_all(b"toggle_visible\n").unwrap();
                return;
            };
            eprintln!("wldash is not running");
            std::process::exit(1);
        }
        Mode::StartOrKill => {
            if let Ok(mut socket) = UnixStream::connect(socket_path.clone()) {
                socket.write_all(b"kill\n").unwrap();
                return;
            };
        }
        Mode::Start => {
            if let Ok(_) = UnixStream::connect(socket_path.clone()) {
                eprintln!("wldash is already running");
                std::process::exit(1);
            };
        }
        Mode::Daemonize => {
            if let Ok(_) = UnixStream::connect(socket_path.clone()) {
                eprintln!("wldash is already running");
                std::process::exit(1);
            };
            daemon = true;
        }
        Mode::PrintConfig(fmt) => {
            println!("{}", fmt.to_string(&config));
            std::process::exit(0);
        }
    }
    let _ = std::fs::remove_file(socket_path.clone());
    let listener = UnixListener::bind(socket_path.clone()).unwrap();
    let output_mode = match config.output_mode {
        config::OutputMode::All => OutputMode::All,
        config::OutputMode::Active => OutputMode::Active,
    };
    let background = config.background;
    let (tx_draw, rx_draw) = channel();
    let tx_draw_mod = tx_draw.clone();
    let (mod_tx, mod_rx) = channel();
    std::thread::spawn(move || {
        // Print, write to a file, or send to an HTTP server.
        match config.widget.construct(tx_draw_mod) {
            Some(w) => mod_tx.send(w).unwrap(),
            None => panic!("no widget configured"),
        }
    });
    let mut app = App::new(tx_draw, output_mode, background, scale);
    if daemon {
        app.hide();
    } else {
        app.show();
    }
    let widget = mod_rx.recv().unwrap();
    app.set_widget(widget).unwrap();
    let (mut rx_pipe, mut tx_pipe) = pipe().unwrap();
    let ipc_pipe = tx_pipe.try_clone().unwrap();
    let worker_queue = app.cmd_queue();
    let _ = std::thread::Builder::new()
        .name("cmd_proxy".to_string())
        .spawn(move || loop {
            let cmd = rx_draw.recv().unwrap();
            worker_queue.lock().unwrap().push_back(cmd);
            tx_pipe.write_all(&[0x1]).unwrap();
        });
    let mut timer = TimerFd::new().unwrap();
    let ev_fd = PollFd::new(app.event_queue().get_connection_fd(), PollFlags::POLLIN);
    let rx_fd = PollFd::new(rx_pipe.as_raw_fd(), PollFlags::POLLIN);
    let tm_fd = PollFd::new(timer.as_raw_fd(), PollFlags::POLLIN);
    let ipc_fd = PollFd::new(listener.as_raw_fd(), PollFlags::POLLIN);
    app.cmd_queue().lock().unwrap().push_back(Cmd::Draw);
    let mut visible = !daemon;
    let mut wait_ctx = WaitContext {
        fds: Vec::new(),
        target_time: None,
    };
    let q = app.cmd_queue();
    loop {
        let cmd = q.lock().unwrap().pop_front();
        match cmd {
            Some(cmd) => match cmd {
                Cmd::Draw => {
                    app.redraw(false).expect("Failed to draw");
                    app.flush_display();
                }
                Cmd::ForceDraw => {
                    app.redraw(true).expect("Failed to draw");
                    app.flush_display();
                }
                Cmd::MouseClick { btn, pos } => {
                    app.get_widget().mouse_click(btn, pos);
                    q.lock().unwrap().push_back(Cmd::Draw);
                }
                Cmd::MouseScroll { scroll, pos } => {
                    app.get_widget().mouse_scroll(scroll, pos);
                    q.lock().unwrap().push_back(Cmd::Draw);
                }
                Cmd::Keyboard {
                    key,
                    key_state,
                    modifiers_state,
                    interpreted,
                } => {
                    app.get_widget()
                        .keyboard_input(key, modifiers_state, key_state, interpreted);
                    q.lock().unwrap().push_back(Cmd::Draw);
                }
                Cmd::ToggleVisible => {
                    visible = !visible;
                    if visible {
                        app.get_widget().enter();
                        app.show();
                    } else {
                        app.hide();
                        app.get_widget().leave();
                    }
                    app.flush_display();
                }
                Cmd::Exit => {
                    if daemon {
                        visible = false;
                        app.hide();
                        app.get_widget().leave();
                        app.flush_display();
                    } else {
                        let _ = std::fs::remove_file(socket_path);
                        return;
                    }
                }
            },
            None => {
                app.flush_display();
                wait_ctx.fds.clear();
                wait_ctx.fds.push(ev_fd);
                wait_ctx.fds.push(rx_fd);
                wait_ctx.fds.push(ipc_fd);
                wait_ctx.target_time = None;
                app.get_widget().wait(&mut wait_ctx);
                if let Some(target_time) = wait_ctx.target_time {
                    let n = Local::now();
                    let sleep = if target_time > n {
                        target_time - n
                    } else {
                        Duration::seconds(0)
                    };
                    timer.set_state(
                        TimerState::Oneshot(sleep.to_std().unwrap()),
                        SetTimeFlags::Default,
                    );
                    wait_ctx.fds.push(tm_fd);
                }
                poll(&mut wait_ctx.fds, -1).unwrap();
                if wait_ctx.fds[0]
                    .revents()
                    .unwrap()
                    .contains(PollFlags::POLLIN)
                {
                    if let Some(guard) = app.event_queue().prepare_read() {
                        if let Err(e) = guard.read_events() {
                            if e.kind() != ::std::io::ErrorKind::WouldBlock {
                                eprintln!(
                                    "Error while trying to read from the wayland socket: {:?}",
                                    e
                                );
                            }
                        }
                    }
                    app.event_queue()
                        .dispatch_pending()
                        .expect("Failed to dispatch all messages.");
                }
                if wait_ctx.fds[1]
                    .revents()
                    .unwrap()
                    .contains(PollFlags::POLLIN)
                {
                    let mut v = [0x00];
                    rx_pipe.read_exact(&mut v).unwrap();
                }
                if wait_ctx.fds[2]
                    .revents()
                    .unwrap()
                    .contains(PollFlags::POLLIN)
                {
                    if let Ok((stream, _)) = listener.accept() {
                        let client_queue = q.clone();
                        let mut client_pipe = ipc_pipe.try_clone().unwrap();
                        let _ = std::thread::Builder::new()
                            .name("ipc_client".to_string())
                            .spawn(move || {
                                let r = BufReader::new(stream);
                                for line in r.lines() {
                                    match line {
                                        Ok(v) => match v.as_str() {
                                            "kill" => {
                                                client_queue.lock().unwrap().push_back(Cmd::Exit)
                                            }
                                            "toggle_visible" => client_queue
                                                .lock()
                                                .unwrap()
                                                .push_back(Cmd::ToggleVisible),
                                            v => eprintln!("unknown command: {}", v),
                                        },
                                        Err(_) => return,
                                    }
                                    client_pipe.write_all(&[0x1]).unwrap();
                                }
                            });
                    }
                }
                if wait_ctx.target_time.is_some()
                    && wait_ctx.fds[wait_ctx.fds.len() - 1]
                        .revents()
                        .unwrap()
                        .contains(PollFlags::POLLIN)
                {
                    timer.read();
                    q.lock().unwrap().push_back(Cmd::Draw);
                }
            }
        }
    }
 }
@@ -0,0 +1,434 @@
 use crate::buffer::Buffer;
 use crate::color::Color;
 use chrono::{DateTime, Local};
 use nix::poll::PollFd;
 pub use smithay_client_toolkit::keyboard::{KeyState, ModifiersState};
 pub struct DrawContext<'a> {
    pub buf: &'a mut Buffer<'a>,
    pub bg: &'a Color,
    pub time: &'a DateTime<Local>,
    pub force: bool,
 }
 #[derive(Debug)]
 pub struct DrawReport {
    pub width: u32,
    pub height: u32,
    pub damage: Vec<(i32, i32, i32, i32)>,
    pub full_damage: bool,
 }
 impl DrawReport {
    pub fn empty(width: u32, height: u32) -> DrawReport {
        DrawReport {
            width,
            height,
            damage: Vec::new(),
            full_damage: false,
        }
    }
 }
 pub struct WaitContext {
    pub fds: Vec<PollFd>,
    pub target_time: Option<DateTime<Local>>,
 }
 impl WaitContext {
    pub fn set_time(&mut self, new_time: DateTime<Local>) {
        if let Some(ot) = self.target_time {
            if new_time < ot {
                self.target_time = Some(new_time);
            }
        } else {
            self.target_time = Some(new_time);
        }
    }
 }
 pub trait Widget {
    fn wait(&mut self, ctx: &mut WaitContext);
    fn enter(&mut self);
    fn leave(&mut self);
    fn size(&self) -> (u32, u32);
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error>;
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    );
    fn mouse_click(&mut self, button: u32, pos: (u32, u32));
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32));
 }
 pub struct VerticalLayout {
    pub children: Vec<Box<dyn Widget + Send>>,
 }
 #[allow(dead_code)]
 impl VerticalLayout {
    pub fn new(children: Vec<Box<dyn Widget + Send>>) -> Box<VerticalLayout> {
        Box::new(VerticalLayout { children: children })
    }
 }
 impl Widget for VerticalLayout {
    fn wait(&mut self, ctx: &mut WaitContext) {
        for child in &mut self.children {
            child.wait(ctx);
        }
    }
    fn enter(&mut self) {
        for child in &mut self.children {
            child.enter();
        }
    }
    fn leave(&mut self) {
        for child in &mut self.children {
            child.leave();
        }
    }
    fn size(&self) -> (u32, u32) {
        let mut width = 0;
        let mut height = 0;
        for child in &self.children {
            let size = child.size();
            if size.0 > width {
                width = size.0;
            }
            height += size.1;
        }
        (width, height)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let mut offset = pos.1;
        let mut width = 0;
        let mut damage = Vec::new();
        let mut full_damage = false;
        for child in &mut self.children {
            let mut report = child.draw(ctx, (pos.0, offset))?;
            if report.width > width {
                width = report.width;
            }
            offset += report.height;
            full_damage |= report.full_damage;
            damage.append(&mut report.damage);
        }
        Ok(DrawReport {
            width,
            height: offset - pos.1,
            damage,
            full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        for child in &mut self.children {
            child.keyboard_input(keysym, modifier_state, key_state, interpreted.clone());
        }
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        let mut height = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.1 >= height && pos.1 < height + size.1 {
                let pos = (pos.0, pos.1 - height);
                child.mouse_click(button, pos);
                return;
            }
            height += size.1;
        }
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        let mut height = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.1 >= height && pos.1 < height + size.1 {
                let pos = (pos.0, pos.1 - height);
                child.mouse_scroll(scroll, pos);
                return;
            }
            height += size.1;
        }
    }
 }
 pub struct HorizontalLayout {
    pub children: Vec<Box<dyn Widget + Send>>,
 }
 #[allow(dead_code)]
 impl HorizontalLayout {
    pub fn new(children: Vec<Box<dyn Widget + Send>>) -> Box<HorizontalLayout> {
        Box::new(HorizontalLayout { children: children })
    }
 }
 impl Widget for HorizontalLayout {
    fn wait(&mut self, ctx: &mut WaitContext) {
        for child in &mut self.children {
            child.wait(ctx);
        }
    }
    fn enter(&mut self) {
        for child in &mut self.children {
            child.enter();
        }
    }
    fn leave(&mut self) {
        for child in &mut self.children {
            child.leave();
        }
    }
    fn size(&self) -> (u32, u32) {
        let mut width = 0;
        let mut height = 0;
        for child in &self.children {
            let size = child.size();
            if size.1 > height {
                height = size.1;
            }
            width += size.0;
        }
        (width, height)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let mut offset = pos.0;
        let mut height = 0;
        let mut damage = Vec::new();
        let mut full_damage = false;
        for child in &mut self.children {
            let mut report = child.draw(ctx, (offset, pos.1))?;
            if report.height > height {
                height = report.height;
            }
            offset += report.width;
            full_damage |= report.full_damage;
            damage.append(&mut report.damage);
        }
        Ok(DrawReport {
            width: offset - pos.0,
            height,
            damage,
            full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        for child in &mut self.children {
            child.keyboard_input(keysym, modifier_state, key_state, interpreted.clone());
        }
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        let mut width = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.0 >= width && pos.0 < width + size.0 {
                let pos = (pos.0 - width, pos.1);
                child.mouse_click(button, pos);
                return;
            }
            width += size.0;
        }
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        let mut width = 0;
        for child in &mut self.children {
            let size = child.size();
            if pos.0 >= width && pos.0 < width + size.0 {
                let pos = (pos.0 - width, pos.1);
                child.mouse_scroll(scroll, pos);
                return;
            }
            width += size.0;
        }
    }
 }
 pub struct Margin {
    pub child: Box<dyn Widget + Send>,
    pub margins: (u32, u32, u32, u32), // left, right, top, bottom
 }
 #[allow(dead_code)]
 impl Margin {
    pub fn new(margins: (u32, u32, u32, u32), child: Box<dyn Widget + Send>) -> Box<Margin> {
        Box::new(Margin {
            child: child,
            margins: margins,
        })
    }
 }
 impl Widget for Margin {
    fn wait(&mut self, ctx: &mut WaitContext) {
        self.child.wait(ctx)
    }
    fn enter(&mut self) {
        self.child.enter()
    }
    fn leave(&mut self) {
        self.child.leave()
    }
    fn size(&self) -> (u32, u32) {
        let size = self.child.size();
        (
            size.0 + self.margins.0 + self.margins.1,
            size.1 + self.margins.2 + self.margins.3,
        )
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let report = self
            .child
            .draw(ctx, (pos.0 + self.margins.0, pos.1 + self.margins.2))?;
        Ok(DrawReport {
            width: report.width + self.margins.0 + self.margins.1,
            height: report.height + self.margins.2 + self.margins.3,
            damage: report.damage,
            full_damage: report.full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        self.child
            .keyboard_input(keysym, modifier_state, key_state, interpreted);
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        let pos = (
            pos.0.saturating_sub(self.margins.0),
            pos.1.saturating_sub(self.margins.2),
        );
        self.child.mouse_click(button, pos);
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        let pos = (
            pos.0.saturating_sub(self.margins.0),
            pos.1.saturating_sub(self.margins.2),
        );
        self.child.mouse_scroll(scroll, pos);
    }
 }
 pub struct Fixed {
    pub child: Box<dyn Widget + Send>,
    pub size: (u32, u32),
 }
 #[allow(dead_code)]
 impl Fixed {
    pub fn new(size: (u32, u32), child: Box<dyn Widget + Send>) -> Box<Fixed> {
        Box::new(Fixed {
            child: child,
            size: size,
        })
    }
 }
 impl Widget for Fixed {
    fn wait(&mut self, ctx: &mut WaitContext) {
        self.child.wait(ctx)
    }
    fn enter(&mut self) {
        self.child.enter()
    }
    fn leave(&mut self) {
        self.child.leave()
    }
    fn size(&self) -> (u32, u32) {
        self.size
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let report = self.child.draw(ctx, pos)?;
        Ok(DrawReport {
            width: self.size.0,
            height: self.size.1,
            damage: report.damage,
            full_damage: report.full_damage,
        })
    }
    fn keyboard_input(
        &mut self,
        keysym: u32,
        modifier_state: ModifiersState,
        key_state: KeyState,
        interpreted: Option<String>,
    ) {
        self.child
            .keyboard_input(keysym, modifier_state, key_state, interpreted);
    }
    fn mouse_click(&mut self, button: u32, pos: (u32, u32)) {
        self.child.mouse_click(button, pos);
    }
    fn mouse_scroll(&mut self, scroll: (f64, f64), pos: (u32, u32)) {
        self.child.mouse_scroll(scroll, pos);
    }
 }
@@ -0,0 +1,111 @@
 use crate::color::Color;
 use crate::widget::WaitContext;
 use crate::widgets::bar_widget::{BarWidget, BarWidgetImpl};
 use alsa::mixer::{Mixer, Selem, SelemChannelId, SelemId};
 const CARD_NAME: &'static str = "default";
 const SELEM_NAME: &'static str = "Master";
 const SELEM_ID: u32 = 0u32;
 #[inline]
 fn alsa_error_to_io_error(fail: &'static str, err: &alsa::Error) -> ::std::io::Error {
    let kind = ::std::io::ErrorKind::Other;
    let func = err.func();
    let errno = err
        .errno()
        .map(|errno| format!("; errno = {}", errno))
        .unwrap_or(String::new());
    return ::std::io::Error::new(kind, format!("{}: {}{}", fail, func, errno));
 }
 #[inline]
 fn alsa_volume_to_f32(volume: i64, min: i64, max: i64) -> f32 {
    (volume - min) as f32 / (max - min) as f32
 }
 #[inline]
 fn f32_to_alsa_volume(volume: f32, min: i64, max: i64) -> i64 {
    min + ((max - min) as f32 * volume) as i64
 }
 pub struct Alsa {
    pub mixer: Mixer,
 }
 impl Alsa {
    pub fn new(font_size: f32, length: u32) -> ::std::io::Result<Box<BarWidget>> {
        let mixer = Mixer::new(CARD_NAME, true)
            .map_err(|err| alsa_error_to_io_error("Failed to create ALSA mixer", &err))?;
        let mixer = Self { mixer };
        mixer.get_master_volume()?; // probing
        Ok(BarWidget::new_simple(font_size, length, Box::new(mixer)))
    }
    #[inline]
    pub fn get_master<'a>(&'a self) -> ::std::io::Result<Selem<'a>> {
        let master_id = SelemId::new(SELEM_NAME, SELEM_ID);
        match self.mixer.find_selem(&master_id) {
            Some(master) => Ok(master),
            None => {
                let kind = ::std::io::ErrorKind::NotFound;
                let desc = "`Master` not found";
                Err(::std::io::Error::new(kind, desc))
            }
        }
    }
    pub fn get_master_volume(&self) -> ::std::io::Result<f32> {
        let master = self.get_master()?;
        let (min, max) = master.get_playback_volume_range();
        master
            .get_playback_volume(SelemChannelId::mono())
            .map(|volume| alsa_volume_to_f32(volume, min, max))
            .map_err(|e| alsa_error_to_io_error("Failed to get `Master` volume", &e))
    }
    pub fn set_master_volume(&self, volume: f32) -> ::std::io::Result<()> {
        let master = self.get_master()?;
        let (min, max) = master.get_playback_volume_range();
        let volume = f32_to_alsa_volume(volume, min, max);
        master
            .set_playback_volume_all(volume)
            .map_err(|e| alsa_error_to_io_error("Failed to set `Master` volume", &e))
    }
    pub fn inc_master_volume(&self, diff: f32) -> ::std::io::Result<()> {
        let master = self.get_master()?;
        let (min, max) = master.get_playback_volume_range();
        master
            .get_playback_volume(SelemChannelId::mono())
            .and_then(|volume| {
                let volume = alsa_volume_to_f32(volume, min, max);
                let volume = f32_to_alsa_volume(volume + diff, min, max);
                master.set_playback_volume_all(volume)
            })
            .map_err(|e| alsa_error_to_io_error("Failed to inc/dec `Master` volume", &e))
    }
 }
 impl BarWidgetImpl for Alsa {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn name(&self) -> &str {
        "volume"
    }
    fn value(&self) -> f32 {
        match self.get_master_volume() {
            Ok(v) => v,
            Err(e) => panic!(e),
        }
    }
    fn color(&self) -> Color {
        Color::new(1.0, 1.0, 1.0, 1.0)
    }
    fn inc(&mut self, diff: f32) {
        if let Err(e) = self.inc_master_volume(diff) {
            panic!(e)
        }
    }
    fn set(&mut self, abs: f32) {
        if let Err(e) = self.set_master_volume(abs) {
            panic!(e)
        }
    }
    fn toggle(&mut self) {}
 }
@@ -0,0 +1,9 @@
 #[cfg(feature = "alsa-widget")]
 mod alsa_sound;
 #[cfg(feature = "alsa-widget")]
 pub use alsa_sound::Alsa;
 #[cfg(feature = "pulseaudio-widget")]
 mod pulse_sound;
 #[cfg(feature = "pulseaudio-widget")]
 pub use pulse_sound::PulseAudio;
@@ -0,0 +1,530 @@
 use crate::cmd::Cmd;
 use crate::color::Color;
 use crate::widget::WaitContext;
 use crate::widgets::bar_widget::{BarWidget, BarWidgetImpl};
 use std::cell::RefCell;
 use std::collections::HashMap;
 use std::ops::Deref;
 use std::rc::Rc;
 use std::sync::mpsc::{channel, Sender};
 use std::sync::{Arc, Mutex};
 use std::thread;
 use libpulse_binding::callbacks::ListResult;
 use libpulse_binding::context::{
    flags, introspect::ServerInfo, introspect::SinkInfo, subscribe::subscription_masks,
    subscribe::Facility, subscribe::Operation as SubscribeOperation, Context, State as PulseState,
 };
 use libpulse_binding::mainloop::standard::IterateResult;
 use libpulse_binding::mainloop::standard::Mainloop;
 use libpulse_binding::proplist::{properties, Proplist};
 use libpulse_binding::volume::{ChannelVolumes, Volume, VOLUME_MAX, VOLUME_NORM};
 struct PulseAudioConnection {
    mainloop: Rc<RefCell<Mainloop>>,
    context: Rc<RefCell<Context>>,
 }
 #[derive(Clone)]
 struct PulseAudioSinkInfo {
    volume: ChannelVolumes,
    mute: bool,
 }
 struct PulseAudioClient {
    sender: Sender<PulseAudioClientRequest>,
    default_sink: String,
    sinks: HashMap<String, PulseAudioSinkInfo>,
 }
 enum PulseAudioClientRequest {
    GetDefaultDevice(Option<Sender<bool>>),
    GetSinkInfoByIndex(Option<Sender<bool>>, u32),
    GetSinkInfoByName(Option<Sender<bool>>, String),
    SetSinkVolumeByName(Option<Sender<bool>>, String, ChannelVolumes),
    SetSinkMuteByName(Option<Sender<bool>>, String, bool),
 }
 #[derive(Debug)]
 struct PulseAudioSoundDeviceInner {
    name: Option<String>,
    volume: Option<ChannelVolumes>,
    volume_avg: f32,
    muted: bool,
    default_sink: String,
 }
 struct PulseAudioSoundDevice {
    client: Arc<Mutex<PulseAudioClient>>,
    inner: Arc<Mutex<PulseAudioSoundDeviceInner>>,
 }
 impl PulseAudioConnection {
    fn new() -> Result<Self, ::std::io::Error> {
        let mut proplist = Proplist::new().unwrap();
        proplist
            .set_str(properties::APPLICATION_NAME, "wldash")
            .unwrap();
        let mainloop = Rc::new(RefCell::new(Mainloop::new().unwrap()));
        let context = Rc::new(RefCell::new(
            Context::new_with_proplist(mainloop.borrow().deref(), "wldash_context", &proplist)
                .unwrap(),
        ));
        context
            .borrow_mut()
            .connect(None, flags::NOFLAGS, None)
            .map_err(|_e| {
                ::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "unable to connect to pulseaudio context",
                )
            })?;
        let mut connection = PulseAudioConnection { mainloop, context };
        // Wait for context to be ready
        loop {
            connection.iterate(false)?;
            match connection.context.borrow().get_state() {
                PulseState::Ready => {
                    break;
                }
                PulseState::Failed | PulseState::Terminated => {}
                _ => {}
            }
        }
        Ok(connection)
    }
    fn iterate(&mut self, blocking: bool) -> Result<(), ::std::io::Error> {
        match self.mainloop.borrow_mut().iterate(blocking) {
            IterateResult::Quit(_) | IterateResult::Err(_) => Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to iterate pulseaudio state",
            )),
            IterateResult::Success(_) => Ok(()),
        }
    }
 }
 impl PulseAudioClient {
    fn new<F>(listener: F) -> Result<Arc<Mutex<Self>>, ::std::io::Error>
    where
        F: Fn(Arc<Mutex<Self>>) -> (),
        F: Send + 'static + Clone,
    {
        let (tx, rx) = channel();
        let client = Arc::new(Mutex::new(PulseAudioClient {
            sender: tx,
            default_sink: "@DEFAULT_SINK@".to_string(),
            sinks: HashMap::new(),
        }));
        let loop_client = client.clone();
        let (tx1, rx1) = channel();
        let _ = thread::Builder::new()
            .name("pa_writer".to_string())
            .spawn(move || {
                let mut conn = match PulseAudioConnection::new() {
                    Ok(v) => {
                        tx1.send(true).unwrap();
                        v
                    }
                    Err(_) => {
                        tx1.send(false).unwrap();
                        return;
                    }
                };
                // make sure mainloop dispatched everything
                for _ in 0..10 {
                    conn.iterate(false).unwrap();
                }
                loop {
                    let cl = loop_client.clone();
                    let l = listener.clone();
                    match rx.recv() {
                        Err(_) => return,
                        Ok(req) => {
                            let mut introspector = conn.context.borrow_mut().introspect();
                            match req {
                                PulseAudioClientRequest::GetDefaultDevice(s) => {
                                    introspector.get_server_info(move |info| {
                                        let _res = PulseAudioClient::server_info_callback(
                                            cl.clone(),
                                            l.clone(),
                                            info,
                                        );
                                        if let Some(s) = &s {
                                            let _ = s.send(true);
                                        }
                                    });
                                }
                                PulseAudioClientRequest::GetSinkInfoByIndex(s, index) => {
                                    introspector.get_sink_info_by_index(index, move |res| {
                                        PulseAudioClient::sink_info_callback(
                                            cl.clone(),
                                            l.clone(),
                                            res,
                                        );
                                        if let Some(s) = &s {
                                            let _ = s.send(true);
                                        }
                                    });
                                }
                                PulseAudioClientRequest::GetSinkInfoByName(s, name) => {
                                    introspector.get_sink_info_by_name(&name, move |res| {
                                        PulseAudioClient::sink_info_callback(
                                            cl.clone(),
                                            l.clone(),
                                            res,
                                        );
                                        if let Some(s) = &s {
                                            let _ = s.send(true);
                                        }
                                    });
                                }
                                PulseAudioClientRequest::SetSinkVolumeByName(s, name, volumes) => {
                                    introspector.set_sink_volume_by_name(&name, &volumes, None);
                                    if let Some(s) = &s {
                                        let _ = s.send(true);
                                    }
                                }
                                PulseAudioClientRequest::SetSinkMuteByName(s, name, mute) => {
                                    introspector.set_sink_mute_by_name(&name, mute, None);
                                    if let Some(s) = &s {
                                        let _ = s.send(true);
                                    }
                                }
                            };
                            // send request and receive response
                            conn.iterate(true).unwrap();
                            conn.iterate(true).unwrap();
                        }
                    }
                }
            });
        // subscribe
        let cl2 = client.clone();
        let (tx2, rx2) = channel();
        let _ = thread::Builder::new()
            .name("pa_reader".to_string())
            .spawn(move || {
                let conn = match PulseAudioConnection::new() {
                    Ok(v) => {
                        tx2.send(true).unwrap();
                        v
                    }
                    Err(_) => {
                        tx2.send(false).unwrap();
                        return;
                    }
                };
                // subcribe for events
                conn.context
                    .borrow_mut()
                    .set_subscribe_callback(Some(Box::new(move |facility, operation, index| {
                        cl2.lock()
                            .unwrap()
                            .subscribe_callback(facility, operation, index)
                    })));
                conn.context.borrow_mut().subscribe(
                    subscription_masks::SERVER | subscription_masks::SINK,
                    |_| {},
                );
                conn.mainloop.borrow_mut().run().unwrap();
            });
        let pa_writer_res = rx1.recv().unwrap();
        let pa_reader_res = rx2.recv().unwrap();
        if !pa_writer_res || !pa_reader_res {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to start pulseaudio thread",
            ));
        }
        Ok(client)
    }
    fn send(&self, request: PulseAudioClientRequest) -> Result<(), ::std::io::Error> {
        let res = self.sender.send(request).map_err(|_e| {
            ::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to send pulseaudio request",
            )
        });
        res
    }
    fn server_info_callback<F>(s: Arc<Mutex<Self>>, listener: F, server_info: &ServerInfo)
    where
        F: Fn(Arc<Mutex<Self>>) -> (),
        F: Send + 'static,
    {
        match server_info.default_sink_name.clone() {
            None => {}
            Some(default_sink) => {
                (*s.lock().unwrap()).default_sink = default_sink.into();
                listener(s);
            }
        }
    }
    fn sink_info_callback<F>(s: Arc<Mutex<Self>>, listener: F, result: ListResult<&SinkInfo>)
    where
        F: Fn(Arc<Mutex<Self>>) -> (),
        F: Send + 'static,
    {
        match result {
            ListResult::End | ListResult::Error => {}
            ListResult::Item(sink_info) => match sink_info.name.clone() {
                None => {}
                Some(name) => {
                    let info = PulseAudioSinkInfo {
                        volume: sink_info.volume,
                        mute: sink_info.mute,
                    };
                    s.lock().unwrap().sinks.insert(name.into(), info);
                    listener(s);
                }
            },
        }
    }
    fn subscribe_callback(
        &self,
        facility: Option<Facility>,
        _operation: Option<SubscribeOperation>,
        index: u32,
    ) {
        match facility {
            None => {}
            Some(facility) => match facility {
                Facility::Server => {
                    let _ = self.send(PulseAudioClientRequest::GetDefaultDevice(None));
                }
                Facility::Sink => {
                    let _ = self.send(PulseAudioClientRequest::GetSinkInfoByIndex(None, index));
                }
                _ => {}
            },
        }
    }
 }
 impl PulseAudioSoundDevice {
    fn new<F>(listener: F) -> Result<Self, ::std::io::Error>
    where
        F: Fn() -> (),
        F: Send + 'static + Clone,
    {
        let inner = Arc::new(Mutex::new(PulseAudioSoundDeviceInner {
            name: None,
            volume: None,
            volume_avg: 0.0,
            muted: false,
            default_sink: "@DEFAULT_SINK@".to_string(),
        }));
        let cb_inner = inner.clone();
        let client = PulseAudioClient::new(move |client| {
            let mut inner = cb_inner.lock().unwrap();
            inner.default_sink = client.lock().unwrap().default_sink.clone();
            let name = inner
                .name
                .clone()
                .unwrap_or_else(|| inner.default_sink.clone());
            let sink_info = match client.lock().unwrap().sinks.get(&name) {
                None => return,
                Some(sink_info) => (*sink_info).clone(),
            };
            inner.volume = Some(sink_info.volume);
            inner.volume_avg = sink_info.volume.avg().0 as f32 / VOLUME_NORM.0 as f32;
            inner.muted = sink_info.mute;
            listener();
        })?;
        let cl = client.clone();
        let (tx, rx) = channel();
        {
            let cl = client.lock().unwrap();
            cl.send(PulseAudioClientRequest::GetDefaultDevice(Some(tx)))?;
        }
        rx.recv().unwrap();
        let name = {
            let cl = client.lock().unwrap();
            cl.default_sink.to_string()
        };
        (*inner.lock().unwrap()).name = Some(name.clone());
        let device = PulseAudioSoundDevice {
            client: cl,
            inner: inner,
        };
        let (tx, rx) = channel();
        {
            let cl = client.lock().unwrap();
            cl.send(PulseAudioClientRequest::GetSinkInfoByName(Some(tx), name))?;
        }
        rx.recv().unwrap();
        Ok(device)
    }
    fn muted(&self) -> bool {
        let inner = self.inner.lock().unwrap();
        inner.muted
    }
    fn volume(&self) -> f32 {
        let inner = self.inner.lock().unwrap();
        inner.volume_avg
    }
    fn inc_volume(&mut self, step: f32) -> Result<(), ::std::io::Error> {
        let mut inner = self.inner.lock().unwrap();
        let mut volume = match inner.volume {
            Some(volume) => volume,
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "unable to set volume",
                ))
            }
        };
        // apply step to volumes
        let step = (step * VOLUME_NORM.0 as f32).round() as i32;
        if step > 0 {
            volume.inc_clamp(Volume(step as u32), VOLUME_MAX);
        } else {
            volume.decrease(Volume(-step as u32));
        }
        let name = inner
            .name
            .clone()
            .unwrap_or_else(|| inner.default_sink.clone());
        // update volumes
        inner.volume = Some(volume);
        inner.volume_avg = volume.avg().0 as f32 / VOLUME_NORM.0 as f32;
        self.client
            .lock()
            .unwrap()
            .send(PulseAudioClientRequest::SetSinkVolumeByName(
                None, name, volume,
            ))?;
        Ok(())
    }
    fn set_volume(&mut self, val: f32) -> Result<(), ::std::io::Error> {
        let mut inner = self.inner.lock().unwrap();
        let mut volume = match inner.volume {
            Some(volume) => volume,
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "unable to set volume",
                ))
            }
        };
        // apply step to volumes
        volume.scale(Volume((val * VOLUME_NORM.0 as f32).round() as u32));
        let name = inner
            .name
            .clone()
            .unwrap_or_else(|| inner.default_sink.clone());
        // update volumes
        inner.volume = Some(volume);
        inner.volume_avg = volume.avg().0 as f32 / VOLUME_NORM.0 as f32;
        self.client
            .lock()
            .unwrap()
            .send(PulseAudioClientRequest::SetSinkVolumeByName(
                None, name, volume,
            ))?;
        Ok(())
    }
    fn toggle(&mut self) -> Result<(), ::std::io::Error> {
        let mut inner = self.inner.lock().unwrap();
        inner.muted = !inner.muted;
        self.client
            .lock()
            .unwrap()
            .send(PulseAudioClientRequest::SetSinkMuteByName(
                None,
                inner
                    .name
                    .clone()
                    .unwrap_or_else(|| inner.default_sink.clone()),
                inner.muted,
            ))?;
        Ok(())
    }
 }
 pub struct PulseAudio {
    device: PulseAudioSoundDevice,
 }
 impl PulseAudio {
    pub fn new(
        font_size: f32,
        length: u32,
        sender: Sender<Cmd>,
    ) -> Result<Box<BarWidget>, ::std::io::Error> {
        BarWidget::new(font_size, length, move |dirty| {
            let device = PulseAudioSoundDevice::new(move || {
                *dirty.lock().unwrap() = true;
                sender.send(Cmd::Draw).unwrap();
            })?;
            Ok(Box::new(PulseAudio { device: device }))
        })
    }
 }
 impl BarWidgetImpl for PulseAudio {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn name(&self) -> &str {
        "volume"
    }
    fn value(&self) -> f32 {
        self.device.volume()
    }
    fn color(&self) -> Color {
        let muted = self.device.muted();
        if muted {
            Color::new(1.0, 1.0, 0.0, 1.0)
        } else {
            Color::new(1.0, 1.0, 1.0, 1.0)
        }
    }
    fn inc(&mut self, inc: f32) {
        self.device.inc_volume(inc).unwrap();
    }
    fn set(&mut self, val: f32) {
        self.device.set_volume(val).unwrap();
    }
    fn toggle(&mut self) {
        self.device.toggle().unwrap();
    }
 }
@@ -0,0 +1,141 @@
 use crate::color::Color;
 use crate::widget::WaitContext;
 use crate::widgets::bar_widget::{BarWidget, BarWidgetImpl};
 use std::fs::OpenOptions;
 use std::io::{Error, ErrorKind};
 use std::io::{Read, Write};
 use std::path::{Path, PathBuf};
 pub struct Backlight {
    device_path: PathBuf,
    cur_brightness: u64,
    max_brightness: u64,
 }
 fn read_file_as_u64(path: &Path) -> Result<u64, Error> {
    let mut file = OpenOptions::new().read(true).open(path)?;
    let mut str = String::new();
    file.read_to_string(&mut str)?;
    str.pop();
    str.parse::<u64>()
        .map_err(|_e| Error::new(ErrorKind::Other, "unable to parse value"))
 }
 fn write_file_as_u64(path: &Path, value: u64) -> Result<(), Error> {
    let mut file = OpenOptions::new().write(true).open(path)?;
    file.write_fmt(format_args!("{}", value))
 }
 impl Backlight {
    pub fn update(&mut self) -> Result<(), Error> {
        self.cur_brightness = read_file_as_u64(self.device_path.join("brightness").as_path())?;
        self.max_brightness = read_file_as_u64(self.device_path.join("max_brightness").as_path())?;
        Ok(())
    }
    pub fn sync(&mut self) -> Result<(), Error> {
        write_file_as_u64(
            self.device_path.join("brightness").as_path(),
            self.cur_brightness,
        )?;
        self.update()?;
        Ok(())
    }
    pub fn brightness(&self) -> f32 {
        if self.cur_brightness > self.max_brightness {
            // what.
            return 1.0;
        }
        (self.cur_brightness as f32 / self.max_brightness as f32)
    }
    pub fn set(&mut self, val: f32) -> Result<(), Error> {
        self.cur_brightness = (self.max_brightness as f32 * val) as u64;
        Ok(())
    }
    pub fn add(&mut self, diff: f32) -> Result<(), Error> {
        let inc = (self.max_brightness as f32 * diff) as i64;
        self.cur_brightness = if self.cur_brightness as i64 + inc < 1 {
            1
        } else if self.cur_brightness as i64 + inc > self.max_brightness as i64 {
            self.max_brightness
        } else {
            (self.cur_brightness as i64 + inc) as u64
        };
        Ok(())
    }
    pub fn new(font_size: f32, length: u32) -> Result<Box<BarWidget>, Error> {
        let devices = Path::new("/sys/class/backlight").read_dir()?;
        let first_device = match devices.take(1).next() {
            Some(v) => match v {
                Ok(v) => v,
                Err(_) => return Err(Error::new(ErrorKind::Other, "no backlight device")),
            },
            None => return Err(Error::new(ErrorKind::Other, "no backlight device")),
        };
        let mut dev = Backlight {
            device_path: first_device.path(),
            cur_brightness: 0,
            max_brightness: 0,
        };
        dev.update()?;
        Ok(BarWidget::new_simple(font_size, length, Box::new(dev)))
    }
 }
 impl BarWidgetImpl for Backlight {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn name(&self) -> &str {
        "backlight"
    }
    fn value(&self) -> f32 {
        self.brightness()
    }
    fn color(&self) -> Color {
        Color::new(1.0, 1.0, 1.0, 1.0)
    }
    fn inc(&mut self, inc: f32) {
        self.add(inc).unwrap();
        match self.sync() {
            Ok(val) => val,
            Err(err) => {
                eprintln!("Error while trying to change brightness: {}", err);
                ()
            }
        }
    }
    fn set(&mut self, val: f32) {
        self.set(val).unwrap();
        match self.sync() {
            Ok(val) => val,
            Err(err) => {
                eprintln!("Error while trying to change brightness: {}", err);
                ()
            }
        }
    }
    fn toggle(&mut self) {
        self.cur_brightness = if self.cur_brightness == 1 {
            self.max_brightness
        } else {
            1
        };
        match self.sync() {
            Ok(val) => val,
            Err(err) => {
                eprintln!("Error while trying to change brightness: {}", err);
                ()
            }
        }
    }
 }
@@ -0,0 +1,150 @@
 use crate::color::Color;
 use crate::draw::{draw_bar, draw_box, Font, ROBOTO_REGULAR};
 use crate::widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget};
 use std::sync::{Arc, Mutex};
 pub trait BarWidgetImpl {
    fn wait(&mut self, ctx: &mut WaitContext);
    fn name(&self) -> &str;
    fn value(&self) -> f32;
    fn color(&self) -> Color;
    fn inc(&mut self, inc: f32);
    fn set(&mut self, val: f32);
    fn toggle(&mut self);
 }
 pub struct BarWidget {
    bar_impl: Box<dyn BarWidgetImpl + Send>,
    font: Font,
    font_size: u32,
    length: u32,
    dirty: Arc<Mutex<bool>>,
 }
 impl BarWidget {
    pub fn new_simple(
        font_size: f32,
        length: u32,
        w: Box<dyn BarWidgetImpl + Send>,
    ) -> Box<BarWidget> {
        let mut font = Font::new(&ROBOTO_REGULAR, font_size);
        font.add_str_to_cache(w.name());
        Box::new(BarWidget {
            bar_impl: w,
            dirty: Arc::new(Mutex::new(true)),
            font,
            font_size: font_size as u32,
            length,
        })
    }
    pub fn new<F>(font_size: f32, length: u32, f: F) -> Result<Box<BarWidget>, ::std::io::Error>
    where
        F: FnOnce(Arc<Mutex<bool>>) -> Result<Box<dyn BarWidgetImpl + Send>, ::std::io::Error>,
        F: Send + 'static + Clone,
    {
        let dirty = Arc::new(Mutex::new(true));
        let im = f(dirty.clone())?;
        let mut font = Font::new(&ROBOTO_REGULAR, font_size);
        font.add_str_to_cache(im.name());
        Ok(Box::new(BarWidget {
            bar_impl: im,
            dirty,
            font,
            font_size: font_size as u32,
            length,
        }))
    }
 }
 impl Widget for BarWidget {
    fn wait(&mut self, ctx: &mut WaitContext) {
        self.bar_impl.wait(ctx);
    }
    fn enter(&mut self) {}
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        (self.length, self.font_size)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        {
            let mut d = self.dirty.lock().unwrap();
            if !*d && !ctx.force {
                return Ok(DrawReport::empty(width, height));
            }
            *d = false;
        }
        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
        buf.memset(ctx.bg);
        let c = Color::new(1.0, 1.0, 1.0, 1.0);
        self.font.draw_text(buf, ctx.bg, &c, self.bar_impl.name())?;
        let c = self.bar_impl.color();
        let bar_off = 5 * self.font_size;
        let mut val = self.bar_impl.value();
        draw_bar(
            &mut buf.offset((bar_off, 0))?,
            &c,
            self.length - bar_off,
            self.font_size,
            val,
        )?;
        let mut iter = 1.0;
        while val > 1.0 {
            let c = &Color::new(0.75 / iter, 0.25 / iter, 0.25 / iter, 1.0);
            val -= 1.0;
            iter += 1.0;
            draw_bar(
                &mut buf.offset((bar_off, 0))?,
                &c,
                self.length - bar_off,
                self.font_size,
                val,
            )?;
        }
        draw_box(
            &mut buf.offset((bar_off, 0))?,
            &c,
            (self.length - bar_off, self.font_size),
        )?;
        Ok(DrawReport {
            width: width,
            height: height,
            damage: vec![buf.get_signed_bounds()],
            full_damage: false,
        })
    }
    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
    fn mouse_click(&mut self, button: u32, (x, _): (u32, u32)) {
        *self.dirty.lock().unwrap() = true;
        match button {
            272 => {
                let offset = 5 * self.font_size;
                if x > offset {
                    self.bar_impl
                        .set(((x - offset) + 1) as f32 / (self.length - offset) as f32);
                }
            }
            273 => self.bar_impl.toggle(),
            x => {
                dbg!(x);
            }
        }
    }
    fn mouse_scroll(&mut self, (_, y): (f64, f64), _: (u32, u32)) {
        *self.dirty.lock().unwrap() = true;
        self.bar_impl.inc(y as f32 / -800.0);
    }
 }
@@ -0,0 +1,238 @@
 use crate::cmd::Cmd;
 use crate::color::Color;
 use crate::widget::WaitContext;
 use crate::widgets::bar_widget::{BarWidget, BarWidgetImpl};
 use std::sync::mpsc::Sender;
 use std::sync::{Arc, Mutex};
 use nix::poll::{PollFd, PollFlags};
 use dbus;
 fn get_upower_property(
    con: &dbus::Connection,
    device_path: &str,
    property: &str,
 ) -> Result<dbus::Message, ::std::io::Error> {
    let msg = dbus::Message::new_method_call(
        "org.freedesktop.UPower",
        device_path,
        "org.freedesktop.DBus.Properties",
        "Get",
    )
    .map_err(|_| {
        ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not send make dbus method call",
        )
    })?
    .append2(
        dbus::MessageItem::Str("org.freedesktop.UPower.Device".to_string()),
        dbus::MessageItem::Str(property.to_string()),
    );
    con.send_with_reply_and_block(msg, 1000).map_err(|_| {
        ::std::io::Error::new(::std::io::ErrorKind::Other, "could not send dbus message")
    })
 }
 // The widget is created on a different thread than where it will be used, so
 // we need it to be Send. However, dbus::Connection has a void*, so it's not
 // auto-derived. So, we make a small wrapper where we make it Send.
 struct DbusConnection(dbus::Connection);
 impl std::convert::AsRef<dbus::Connection> for DbusConnection {
    fn as_ref(&self) -> &dbus::Connection {
        return &self.0;
    }
 }
 unsafe impl Send for DbusConnection {}
 pub struct UpowerBattery {
    device_path: String,
    sender: Sender<Cmd>,
    dirty: Arc<Mutex<bool>>,
    state: UpowerBatteryState,
    capacity: f64,
    con: DbusConnection,
    watch: dbus::Watch,
 }
 enum UpowerBatteryState {
    Charging,
    Discharging,
    Empty,
    Full,
    NotCharging,
    Unknown,
 }
 impl UpowerBattery {
    pub fn from_device(
        dirty: Arc<Mutex<bool>>,
        sender: Sender<Cmd>,
        device: &str,
    ) -> Result<Self, ::std::io::Error> {
        let con = dbus::Connection::get_private(dbus::BusType::System).map_err(|_| {
            ::std::io::Error::new(::std::io::ErrorKind::Other, "unable to open dbus")
        })?;
        let device_path = format!("/org/freedesktop/UPower/devices/battery_{}", device);
        let rule = format!(
            "type='signal',\
             path='{}',\
             interface='org.freedesktop.DBus.Properties',\
             member='PropertiesChanged'",
            &device_path
        );
        con.add_match(&rule).map_err(|_| {
            ::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "unable to add match rule to dbus connection",
            )
        })?;
        let upower_type: dbus::arg::Variant<u32> =
            match get_upower_property(&con, &device_path, "Type")?.get1() {
                Some(v) => v,
                None => {
                    return Err(::std::io::Error::new(
                        ::std::io::ErrorKind::Other,
                        "no such upower device",
                    ));
                }
            };
        // https://upower.freedesktop.org/docs/Device.html#Device:Type
        if upower_type.0 != 2 {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "UPower device is not a battery.",
            ));
        }
        let capacity: f64 = match get_upower_property(&con, &device_path, "Percentage")?
            .get1::<dbus::arg::Variant<f64>>()
        {
            Some(v) => v.0,
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "no such upower device",
                ));
            }
        };
        let state: UpowerBatteryState = match get_upower_property(&con, &device_path, "State")?
            .get1::<dbus::arg::Variant<u32>>()
        {
            Some(v) => match v.0 {
                1 => UpowerBatteryState::Charging,
                2 => UpowerBatteryState::Discharging,
                3 => UpowerBatteryState::Empty,
                4 => UpowerBatteryState::Full,
                5 => UpowerBatteryState::NotCharging,
                6 => UpowerBatteryState::Discharging,
                _ => UpowerBatteryState::Unknown,
            },
            None => {
                return Err(::std::io::Error::new(
                    ::std::io::ErrorKind::Other,
                    "no such upower device",
                ));
            }
        };
        let fds = con.watch_fds();
        if fds.len() != 1 {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "expected 1 watch fd from dbus",
            ));
        }
        Ok(UpowerBattery {
            device_path,
            con: DbusConnection(con),
            dirty,
            sender,
            capacity: capacity,
            state: state,
            watch: fds[0],
        })
    }
    pub fn new(
        font_size: f32,
        length: u32,
        sender: Sender<Cmd>,
    ) -> Result<Box<BarWidget>, ::std::io::Error> {
        BarWidget::new(font_size, length, move |dirty| {
            let d = UpowerBattery::from_device(dirty, sender, "BAT0")?;
            Ok(Box::new(d))
        })
    }
 }
 impl BarWidgetImpl for UpowerBattery {
    fn wait(&mut self, ctx: &mut WaitContext) {
        for _ in self
            .con
            .as_ref()
            .watch_handle(self.watch.fd(), dbus::WatchEvent::Readable as u32)
        {
            let capacity = get_upower_property(self.con.as_ref(), &self.device_path, "Percentage")
                .unwrap()
                .get1::<dbus::arg::Variant<f64>>()
                .unwrap()
                .0;
            let state = match get_upower_property(self.con.as_ref(), &self.device_path, "State")
                .unwrap()
                .get1::<dbus::arg::Variant<u32>>()
                .unwrap()
                .0
            {
                1 => UpowerBatteryState::Charging,
                2 => UpowerBatteryState::Discharging,
                3 => UpowerBatteryState::Empty,
                4 => UpowerBatteryState::Full,
                5 => UpowerBatteryState::NotCharging,
                6 => UpowerBatteryState::Discharging,
                _ => UpowerBatteryState::Unknown,
            };
            self.state = state;
            self.capacity = capacity;
            *self.dirty.lock().unwrap() = true;
            self.sender.send(Cmd::Draw).unwrap();
        }
        ctx.fds
            .push(PollFd::new(self.watch.fd(), PollFlags::POLLIN));
    }
    fn name(&self) -> &str {
        "battery"
    }
    fn value(&self) -> f32 {
        (self.capacity as f32) / 100.0
    }
    fn color(&self) -> Color {
        match self.state {
            UpowerBatteryState::Discharging | UpowerBatteryState::Unknown => {
                if self.capacity > 10.0 {
                    Color::new(1.0, 1.0, 1.0, 1.0)
                } else {
                    Color::new(1.0, 0.5, 0.0, 1.0)
                }
            }
            UpowerBatteryState::Charging | UpowerBatteryState::Full => {
                Color::new(0.5, 1.0, 0.5, 1.0)
            }
            UpowerBatteryState::NotCharging | UpowerBatteryState::Empty => {
                Color::new(1.0, 0.5, 0.5, 1.0)
            }
        }
    }
    fn inc(&mut self, _: f32) {}
    fn set(&mut self, _: f32) {}
    fn toggle(&mut self) {}
 }
@@ -0,0 +1,270 @@
 use crate::buffer::Buffer;
 use crate::color::Color;
 use crate::draw::{Font, DEJAVUSANS_MONO, ROBOTO_REGULAR};
 use crate::widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget};
 use chrono::{Date, Datelike, Local};
 pub struct Calendar {
    cur_date: Date<Local>,
    dirty: bool,
    offset: f64,
    sections: u32,
    font_size: u32,
    calendar_cache: Font,
    month_cache: Font,
    year_cache: Font,
    day_cache: Font,
 }
 impl Calendar {
    fn draw_month(
        &self,
        buf: &mut Buffer,
        background_color: &Color,
        orig: &Date<Local>,
        time: &Date<Local>,
    ) -> Result<(i32, i32, i32, i32), ::std::io::Error> {
        let mut time = time.clone();
        let mut y_off = 1;
        let mut done = false;
        let month_str = match time.month() {
            1 => "January",
            2 => "February",
            3 => "March",
            4 => "April",
            5 => "May",
            6 => "June",
            7 => "July",
            8 => "August",
            9 => "September",
            10 => "October",
            11 => "November",
            12 => "December",
            _ => panic!("impossible value"),
        };
        //
        // Draw the of the month
        //
        self.month_cache.draw_text(
            buf,
            background_color,
            &Color::new(1.0, 1.0, 1.0, 1.0),
            month_str,
        )?;
        if time.year() != orig.year() {
            self.year_cache.draw_text(
                &mut buf.offset((self.font_size * 20, 0))?,
                background_color,
                &Color::new(0.8, 0.8, 0.8, 1.0),
                &format!("{:}", time.year()),
            )?;
        }
        //
        // Draw the week day
        //
        for idx in 1..8 {
            let wk_chr = match idx {
                1 => "MON",
                2 => "TUE",
                3 => "WED",
                4 => "THU",
                5 => "FRI",
                6 => "SAT",
                7 => "SUN",
                _ => panic!("impossible value"),
            };
            self.day_cache.draw_text(
                &mut buf.offset((
                    idx * self.font_size * 3 + self.font_size / 5,
                    y_off * self.font_size * 2 + self.font_size * 4,
                ))?,
                background_color,
                &Color::new(1.0, 1.0, 1.0, 1.0),
                &wk_chr,
            )?;
        }
        y_off += 1;
        while !done {
            let mut x_pos = 0;
            //
            // Find the start of this week
            //
            let mut wkday = time.weekday();
            while wkday != chrono::Weekday::Mon {
                x_pos += 1;
                wkday = wkday.pred();
            }
            //
            // Draw the week number
            //
            let wk = time.iso_week();
            self.calendar_cache.draw_text(
                &mut buf.offset((0, y_off * self.font_size * 2 + self.font_size * 4))?,
                background_color,
                &Color::new(0.75, 0.75, 0.75, 1.0),
                &format!("{:02}", wk.week()),
            )?;
            x_pos += 1;
            //
            // Draw the dates
            //
            while x_pos < 8 {
                let c = if time.day() == orig.day() && time.month() == orig.month() {
                    Color::new(1.0, 1.0, 1.0, 1.0)
                } else {
                    Color::new(0.5, 0.5, 0.5, 1.0)
                };
                self.calendar_cache.draw_text(
                    &mut buf.offset((
                        x_pos * self.font_size * 3,
                        y_off * self.font_size * 2 + self.font_size * 4,
                    ))?,
                    background_color,
                    &c,
                    &format!("{:02}", time.day()),
                )?;
                let t = time.with_day(time.day() + 1);
                if t.is_none() {
                    done = true;
                    break;
                }
                time = t.unwrap();
                x_pos += 1;
            }
            y_off += 1;
        }
        Ok(buf.get_signed_bounds())
    }
 }
 impl Calendar {
    pub fn new(font_size: f32, sections: u32) -> Box<Calendar> {
        let mut calendar_cache = Font::new(&DEJAVUSANS_MONO, font_size * 2.0);
        calendar_cache.add_str_to_cache("0123456789");
        let mut month_cache = Font::new(&ROBOTO_REGULAR, font_size * 4.0);
        month_cache.add_str_to_cache("JanuryFebMchApilJgstSmOoNvD");
        let mut year_cache = Font::new(&DEJAVUSANS_MONO, font_size * 1.5);
        year_cache.add_str_to_cache("-0123456789");
        let mut day_cache = Font::new(&DEJAVUSANS_MONO, font_size);
        day_cache.add_str_to_cache("MONTUEWDHFRISA");
        Box::new(Calendar {
            cur_date: Local::now().date(),
            dirty: true,
            offset: 0.0,
            sections: sections,
            font_size: font_size as u32,
            calendar_cache: calendar_cache,
            month_cache: month_cache,
            year_cache: year_cache,
            day_cache: day_cache,
        })
    }
 }
 impl Widget for Calendar {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn enter(&mut self) {}
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        let cal_width = 7 * self.font_size * 3 + self.font_size * 2;
        let cal_pad = self.font_size * 3;
        (
            cal_width * self.sections + cal_pad * (self.sections - 1),
            (self.font_size as f32 * 21.5) as u32,
        )
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        if ctx.time.date() == self.cur_date && !ctx.force && !self.dirty {
            return Ok(DrawReport::empty(width, height));
        }
        self.dirty = false;
        self.cur_date = ctx.time.date();
        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
        buf.memset(ctx.bg);
        let time = ctx.time.date();
        let mut t = time.with_day(1).unwrap();
        let o = (self.offset / 100.0) as i32;
        let cals = self.sections - 1;
        let pre_cals = cals / 2;
        for _ in 0..pre_cals {
            t = t.pred().with_day(1).unwrap();
        }
        if o != 0 {
            let mut month = (t.month() - 1) as i32 + o;
            let mut year = t.year();
            while month > 11 {
                year += 1;
                month -= 12;
            }
            while month < 0 {
                year -= 1;
                month += 12;
            }
            t = t
                .with_year(year)
                .unwrap()
                .with_month((month + 1) as u32)
                .unwrap();
        }
        let cal_pad = 7 * self.font_size * 3 + self.font_size * 5;
        for idx in 0..self.sections {
            self.draw_month(&mut buf.offset((cal_pad * idx, 0))?, ctx.bg, &time, &t)?;
            t = if t.month() == 12 {
                t.with_year(t.year() + 1).unwrap().with_month(1).unwrap()
            } else {
                t.with_month(t.month() + 1).unwrap()
            };
        }
        Ok(DrawReport {
            width: width,
            height: height,
            damage: vec![buf.get_signed_bounds()],
            full_damage: false,
        })
    }
    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
    fn mouse_click(&mut self, _: u32, (x, _): (u32, u32)) {
        let cal_pad = 7 * self.font_size * 3 + self.font_size * 5;
        let cals = self.sections - 1;
        let pre_cals = cals / 2;
        if x < pre_cals * cal_pad {
            self.offset -= 100.0;
        } else if x >= (pre_cals + 1) * cal_pad {
            self.offset += 100.0;
        } else {
            self.offset = 0.0;
        }
        self.dirty = true;
    }
    fn mouse_scroll(&mut self, (_, y): (f64, f64), _: (u32, u32)) {
        self.offset += y;
        self.dirty = true;
    }
 }
@@ -0,0 +1,85 @@
 use crate::color::Color;
 use crate::draw::{Font, ROBOTO_REGULAR};
 use crate::widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget};
 use chrono::{DateTime, Datelike, Duration, Local, Timelike};
 pub struct Clock {
    cur_time: DateTime<Local>,
    clock_cache: Font,
    size: f32,
 }
 impl Clock {
    pub fn new(size: f32) -> Box<Clock> {
        let mut clock_cache = Font::new(&ROBOTO_REGULAR, size);
        clock_cache.add_str_to_cache("0123456789:");
        let time = Local::now();
        Box::new(Clock {
            cur_time: time.with_year(time.year().saturating_sub(1)).unwrap(),
            clock_cache: clock_cache,
            size: size,
        })
    }
 }
 impl Widget for Clock {
    fn wait(&mut self, ctx: &mut WaitContext) {
        let target = (self.cur_time + Duration::seconds(60))
            .with_second(0)
            .unwrap()
            .with_nanosecond(0)
            .unwrap();
        ctx.set_time(target);
    }
    fn enter(&mut self) {}
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        let digit = (self.size * 0.45).ceil() as u32;
        let colon = (self.size * 0.20).ceil() as u32;
        (digit * 4 + colon, self.size.ceil() as u32)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        if !(ctx.time.date() != self.cur_time.date()
            || ctx.time.hour() != self.cur_time.hour()
            || ctx.time.minute() != self.cur_time.minute()
            || ctx.force)
        {
            return Ok(DrawReport::empty(width, height));
        }
        self.cur_time = ctx.time.clone();
        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
        buf.memset(ctx.bg);
        let digit = (self.size * 0.45).ceil() as u32;
        let colon = (self.size * 0.20).ceil() as u32;
        self.clock_cache.draw_text_fixed_width(
            buf,
            ctx.bg,
            &Color::new(1.0, 1.0, 1.0, 1.0),
            &[digit, digit, colon, digit, digit],
            &format!("{:02}:{:02}", ctx.time.hour(), ctx.time.minute()),
        )?;
        Ok(DrawReport {
            width: width,
            height: height,
            damage: vec![(pos.0 as i32, pos.1 as i32, width as i32, height as i32)],
            full_damage: false,
        })
    }
    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
    fn mouse_click(&mut self, _: u32, _: (u32, u32)) {}
    fn mouse_scroll(&mut self, _: (f64, f64), _: (u32, u32)) {}
 }
@@ -0,0 +1,76 @@
 use crate::color::Color;
 use crate::draw::{Font, ROBOTO_REGULAR};
 use crate::widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget};
 use chrono::{DateTime, Datelike, Local};
 pub struct Date {
    cur_time: DateTime<Local>,
    date_cache: Font,
    size: f32,
 }
 impl Date {
    pub fn new(size: f32) -> Box<Date> {
        let mut date_cache = Font::new(&ROBOTO_REGULAR, size);
        date_cache
            .add_str_to_cache("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789,/ ");
        let time = Local::now();
        Box::new(Date {
            cur_time: time.with_year(time.year().saturating_sub(1)).unwrap(),
            date_cache: date_cache,
            size: size,
        })
    }
 }
 impl Widget for Date {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn enter(&mut self) {}
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        ((6.5 * self.size).ceil() as u32, self.size.ceil() as u32)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        if !(ctx.time.date() != self.cur_time.date() || ctx.force) {
            return Ok(DrawReport::empty(width, height));
        }
        self.cur_time = ctx.time.clone();
        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
        buf.memset(ctx.bg);
        self.date_cache.draw_text(
            buf,
            ctx.bg,
            &Color::new(1.0, 1.0, 1.0, 1.0),
            &format!(
                "{:?}, {:02}/{:02}/{:4}",
                ctx.time.weekday(),
                ctx.time.day(),
                ctx.time.month(),
                ctx.time.year()
            ),
        )?;
        Ok(DrawReport {
            width: width,
            height: height,
            damage: vec![(pos.0 as i32, pos.1 as i32, width as i32, height as i32)],
            full_damage: false,
        })
    }
    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
    fn mouse_click(&mut self, _: u32, _: (u32, u32)) {}
    fn mouse_scroll(&mut self, _: (f64, f64), _: (u32, u32)) {}
 }
@@ -0,0 +1,379 @@
 use crate::buffer::Buffer;
 use crate::cmd::Cmd;
 use crate::color::Color;
 use crate::desktop::{load_desktop_files, Desktop};
 use crate::draw::{Font, ROBOTO_REGULAR};
 use crate::widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget};
 use std::cell::RefCell;
 use std::cmp::Ordering;
 use std::process::Command;
 use std::sync::mpsc::Sender;
 use fuzzy_matcher::skim::{fuzzy_indices, fuzzy_match};
 use smithay_client_toolkit::keyboard::keysyms;
 pub struct Launcher {
    options: Vec<Desktop>,
    term_opener: String,
    app_opener: String,
    url_opener: String,
    matches: Vec<Desktop>,
    input: String,
    result: Option<String>,
    offset: usize,
    font: RefCell<Font>,
    font_size: u32,
    length: u32,
    dirty: bool,
    tx: Sender<Cmd>,
 }
 impl Launcher {
    pub fn new(
        font_size: f32,
        length: u32,
        listener: Sender<Cmd>,
        app: String,
        term: String,
        url: String,
    ) -> Box<Launcher> {
        Box::new(Launcher {
            options: load_desktop_files(),
            term_opener: term,
            app_opener: app,
            url_opener: url,
            matches: vec![],
            input: "".to_string(),
            result: None,
            offset: 0,
            font: RefCell::new(Font::new(&ROBOTO_REGULAR, font_size)),
            font_size: font_size as u32,
            length: length,
            dirty: true,
            tx: listener,
        })
    }
    fn draw_launcher(&self, buf: &mut Buffer, bg: &Color) -> Result<(), ::std::io::Error> {
        let mut x_off = if self.input.len() > 0 {
            let c = if self.matches.len() == 0 {
                Color::new(1.0, 0.5, 0.5, 1.0)
            } else {
                Color::new(1.0, 1.0, 1.0, 1.0)
            };
            let dim = self
                .font
                .borrow_mut()
                .auto_draw_text(buf, bg, &c, &self.input)?;
            dim.0 + self.font_size / 4
        } else {
            0
        };
        let mut width_remaining: i32 = (self.length - x_off) as i32;
        for (idx, m) in self.matches.iter().enumerate() {
            let mut b = match buf.offset((x_off, 0)) {
                Ok(b) => b,
                Err(_) => break,
            };
            let size = if idx == self.offset && self.input.len() > 0 {
                let (_, indices) =
                    fuzzy_indices(&m.name.to_lowercase(), &self.input.to_lowercase()).unwrap();
                let mut colors = Vec::with_capacity(m.name.len());
                for pos in 0..m.name.len() {
                    if indices.contains(&pos) {
                        colors.push(Color::new(1.0, 1.0, 1.0, 1.0));
                    } else {
                        colors.push(Color::new(0.75, 0.75, 0.75, 1.0));
                    }
                }
                self.font
                    .borrow_mut()
                    .auto_draw_text_individual_colors(&mut b, bg, &colors, &m.name)?
            } else {
                self.font.borrow_mut().auto_draw_text(
                    &mut b,
                    bg,
                    &Color::new(0.5, 0.5, 0.5, 1.0),
                    &m.name,
                )?
            };
            x_off += size.0 + self.font_size / 2;
            width_remaining -= (size.0 + self.font_size / 2) as i32;
            if width_remaining < 0 {
                break;
            }
        }
        Ok(())
    }
    fn draw_calc(&self, buf: &mut Buffer, bg: &Color) -> Result<(), ::std::io::Error> {
        let x_off = self
            .font
            .borrow_mut()
            .auto_draw_text(buf, bg, &Color::new(1.0, 1.0, 0.0, 1.0), "=")?
            .0
            + self.font_size / 4;
        let x_off = if self.input.len() > 0 {
            let dim = self.font.borrow_mut().auto_draw_text(
                &mut buf.offset((x_off, 0))?,
                bg,
                &Color::new(1.0, 1.0, 1.0, 1.0),
                &self.input[1..],
            )?;
            x_off + dim.0 + self.font_size / 4
        } else {
            0
        };
        if let Some(result) = &self.result {
            self.font.borrow_mut().auto_draw_text(
                &mut buf.offset((x_off, 0))?,
                bg,
                &Color::new(0.75, 0.75, 0.75, 1.0),
                &format!(" = {:}", result),
            )?;
        }
        Ok(())
    }
    fn draw_shell(&self, buf: &mut Buffer, bg: &Color) -> Result<(), ::std::io::Error> {
        let x_off = self
            .font
            .borrow_mut()
            .auto_draw_text(
                &mut buf.offset((0, 0))?,
                bg,
                &Color::new(1.0, 1.0, 0.0, 1.0),
                "!",
            )?
            .0
            + self.font_size / 4;
        if self.input.len() > 0 {
            self.font.borrow_mut().auto_draw_text(
                &mut buf.offset((x_off, 0))?,
                bg,
                &Color::new(1.0, 1.0, 1.0, 1.0),
                &self.input[1..],
            )?;
        };
        Ok(())
    }
 }
 fn calc(s: &str) -> Result<String, String> {
    rcalc_lib::parse::eval(s, &mut rcalc_lib::parse::CalcState::new())
        .map(|x| format!("{}", x).to_string())
        .map_err(|x| format!("{}", x).to_string())
 }
 fn wlcopy(s: &str) -> Result<(), String> {
    let mut child = std::process::Command::new("wl-copy")
        .stdin(std::process::Stdio::null())
        .stdout(std::process::Stdio::null())
        .stderr(std::process::Stdio::null())
        .arg(s)
        .spawn()
        .map_err(|_| "wl-copy not available".to_string())?;
    child
        .wait()
        .map_err(|_| "unable to run wl-copy".to_string())?;
    Ok(())
 }
 impl Widget for Launcher {
    fn wait(&mut self, _: &mut WaitContext) {}
    fn enter(&mut self) {}
    fn leave(&mut self) {
        self.input = "".to_string();
        self.offset = 0;
        self.result = None;
        self.dirty = true;
    }
    fn size(&self) -> (u32, u32) {
        (self.length, self.font_size)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        if !self.dirty && !ctx.force {
            return Ok(DrawReport::empty(width, height));
        }
        self.dirty = false;
        match self.input.chars().next() {
            Some('=') => {
                if self.input.len() > 1 {
                    match calc(&self.input.chars().skip(1).collect::<String>()) {
                        Ok(v) => self.result = Some(v),
                        Err(_) => self.result = None,
                    }
                }
            }
            Some('!') => (),
            _ => {
                let mut m = self
                    .options
                    .iter()
                    .map(|x| {
                        (
                            fuzzy_match(&x.name.to_lowercase(), &self.input.to_lowercase()),
                            x,
                        )
                    })
                    .filter(|(x, _)| x.is_some())
                    .map(|(x, y)| (x.unwrap(), y.clone()))
                    .collect::<Vec<(i64, Desktop)>>();
                m.sort_by(|(x1, y1), (x2, y2)| {
                    if x1 > x2 {
                        Ordering::Less
                    } else if x1 < x2 {
                        Ordering::Greater
                    } else if y1.name.len() < y2.name.len() {
                        Ordering::Less
                    } else if y1.name.len() > y2.name.len() {
                        Ordering::Greater
                    } else {
                        y1.cmp(y2)
                    }
                });
                self.matches = m.into_iter().map(|(_, x)| x).collect();
            }
        };
        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
        buf.memset(ctx.bg);
        match self.input.chars().next() {
            Some('=') => self.draw_calc(buf, ctx.bg),
            Some('!') => self.draw_shell(buf, ctx.bg),
            _ => self.draw_launcher(buf, ctx.bg),
        }?;
        Ok(DrawReport {
            width: width,
            height: height,
            damage: vec![buf.get_signed_bounds()],
            full_damage: false,
        })
    }
    fn keyboard_input(
        &mut self,
        key: u32,
        modifiers: ModifiersState,
        _: KeyState,
        interpreted: Option<String>,
    ) {
        match key {
            keysyms::XKB_KEY_u if modifiers.ctrl => self.leave(),
            keysyms::XKB_KEY_BackSpace => {
                if self.input.len() > 0 {
                    self.input = self.input[..self.input.len() - 1].to_string();
                    self.offset = 0;
                    self.result = None;
                    self.dirty = true
                }
            }
            keysyms::XKB_KEY_Return => {
                match self.input.chars().next() {
                    Some('=') => match self.result {
                        Some(ref v) => {
                            let _ = wlcopy(&v);
                        }
                        None => (),
                    },
                    Some('!') => {
                        let _ = Command::new("sh")
                            .arg("-c")
                            .arg(self.input.chars().skip(1).collect::<String>())
                            .spawn();
                        self.tx.send(Cmd::Exit).unwrap();
                    }
                    _ => {
                        if self.matches.len() > self.offset {
                            let d = &self.matches[self.offset];
                            if let Some(exec) = &d.exec {
                                let exec = exec
                                    .replace("%f", "")
                                    .replace("%F", "")
                                    .replace("%u", "")
                                    .replace("%U", "");
                                let prefix = if d.term {
                                    &self.term_opener
                                } else {
                                    &self.app_opener
                                };
                                let lexed = if prefix.len() > 0 {
                                    let mut prefix = shlex::split(prefix).unwrap();
                                    prefix.push(exec);
                                    prefix
                                } else {
                                    shlex::split(&exec).unwrap()
                                };
                                if lexed.len() > 0 {
                                    let _ =
                                        Command::new(lexed[0].clone()).args(&lexed[1..]).spawn();
                                    self.tx.send(Cmd::Exit).unwrap();
                                }
                            }
                            if let Some(url) = &d.url {
                                if self.url_opener.len() > 0 {
                                    let mut lexed = shlex::split(&self.url_opener).unwrap();
                                    lexed.push(url.to_string());
                                    if lexed.len() > 0 {
                                        let _ = Command::new(lexed[0].clone())
                                            .args(&lexed[1..])
                                            .spawn();
                                        self.tx.send(Cmd::Exit).unwrap();
                                    }
                                }
                            }
                        }
                    }
                };
            }
            keysyms::XKB_KEY_Right => {
                if self.matches.len() > 0 && self.offset < self.matches.len() - 1 {
                    self.offset += 1;
                    self.dirty = true;
                }
            }
            keysyms::XKB_KEY_Left => {
                if self.matches.len() > 0 && self.offset > 0 {
                    self.offset -= 1;
                    self.dirty = true;
                }
            }
            _ => match interpreted {
                Some(v) => {
                    self.input += &v;
                    self.offset = 0;
                    self.result = None;
                    self.dirty = true;
                }
                None => {}
            },
        }
    }
    fn mouse_click(&mut self, _: u32, _: (u32, u32)) {}
    fn mouse_scroll(&mut self, _: (f64, f64), _: (u32, u32)) {}
 }
@@ -0,0 +1,11 @@
 pub mod backlight;
 pub mod bar_widget;
 pub mod battery;
 pub mod calendar;
 pub mod clock;
 pub mod date;
 pub mod launcher;
 pub mod networkmanager;
 #[cfg(any(feature = "alsa-widget", feature = "pulseaudio-widget"))]
 pub mod audio;
@@ -0,0 +1,516 @@
 use crate::color::Color;
 use crate::draw::{Font, ROBOTO_REGULAR};
 use crate::widget::{DrawContext, DrawReport, KeyState, ModifiersState, WaitContext, Widget};
 use crate::cmd::Cmd;
 use std::sync::mpsc::Sender;
 use std::cell::RefCell;
 use std::net::Ipv4Addr;
 use std::fmt;
 use nix::poll::{PollFd, PollFlags};
 use dbus;
 #[derive(Debug)]
 enum NetworkState {
    Unknown = 0,
    Asleep = 10,
    Disconnected = 20,
    Disconnecting = 30,
    Connecting = 40,
    ConnectedLocal = 50,
    ConnectedSite = 60,
    ConnectedGlobal = 70,
 }
 impl From<u32> for NetworkState {
    fn from(id: u32) -> Self {
        match id {
            // https://developer.gnome.org/NetworkManager/unstable/nm-dbus-types.html#NMState
            10 => NetworkState::Asleep,
            20 => NetworkState::Disconnected,
            30 => NetworkState::Disconnecting,
            40 => NetworkState::Connecting,
            50 => NetworkState::ConnectedLocal,
            60 => NetworkState::ConnectedSite,
            70 => NetworkState::ConnectedGlobal,
            _  => NetworkState::Unknown,
        }
    }
 }
 enum ActiveConnectionState {
    Unknown,
    Activating,
    Activated,
    Deactivating,
    Deactivated,
 }
 impl From<u32> for ActiveConnectionState {
    fn from(id: u32) -> Self {
        match id {
            // https://developer.gnome.org/NetworkManager/stable/nm-dbus-types.html#NMActiveConnectionState
            1 => ActiveConnectionState::Activating,
            2 => ActiveConnectionState::Activated,
            3 => ActiveConnectionState::Deactivating,
            4 => ActiveConnectionState::Deactivated,
            _ => ActiveConnectionState::Unknown,
        }
    }
 }
 #[derive(Debug)]
 enum DeviceType {
    Unknown,
    Ethernet,
    Wifi,
    Modem,
    Bridge,
    TUN,
    Wireguard,
 }
 impl From<u32> for DeviceType {
    fn from(id: u32) -> Self {
        match id {
            // https://developer.gnome.org/NetworkManager/stable/nm-dbus-types.html#NMDeviceType
            1 => DeviceType::Ethernet,
            2 => DeviceType::Wifi,
            8 => DeviceType::Modem,
            13 => DeviceType::Bridge,
            16 => DeviceType::TUN,
            29 => DeviceType::Wireguard,
            _ => DeviceType::Unknown,
        }
    }
 }
 #[derive(Debug)]
 struct Ipv4Address {
    address: Ipv4Addr,
    prefix: u32,
    gateway: Ipv4Addr,
 }
 trait ByteOrderSwap {
    fn swap(&self) -> Self;
 }
 impl ByteOrderSwap for u32 {
    fn swap(&self) -> u32 {
        ((self & 0x000000FF) << 24) | ((self & 0x0000FF00) << 8) | ((self & 0x00FF0000) >> 8) | ((self & 0xFF000000) >> 24)
    }
 }
 impl<'a> From<dbus::arg::Array<'a, u32, dbus::arg::Iter<'a>>> for Ipv4Address {
    fn from(s: dbus::arg::Array<'a, u32, dbus::arg::Iter<'a>>) -> Ipv4Address {
        let mut i = s.into_iter();
        Ipv4Address {
            address: Ipv4Addr::from(i.next().unwrap().swap()),
            prefix: i.next().unwrap(),
            gateway: Ipv4Addr::from(i.next().unwrap().swap()),
        }
    }
 }
 impl fmt::Display for Ipv4Address {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}/{}", self.address, self.prefix)
    }
 }
 fn get_nm_property<'a>(
    con: &dbus::Connection,
    obj: &str,
    path: &dbus::Path<'a>,
    property: &str,
 ) -> Result<dbus::Message, ::std::io::Error> {
    let msg = dbus::Message::new_method_call(
        obj,
        path,
        "org.freedesktop.DBus.Properties",
        "Get",
    )
    .map_err(|_| {
        ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not send make dbus method call",
        )
    })?
    .append2(
        dbus::MessageItem::Str("org.freedesktop.NetworkManager".to_string()),
        dbus::MessageItem::Str(property.to_string()),
    );
    con.send_with_reply_and_block(msg, 1000).map_err(|_| {
        ::std::io::Error::new(::std::io::ErrorKind::Other, "could not send dbus message")
    })
 }
 fn state(con: &dbus::Connection) -> Result<NetworkState, ::std::io::Error> {
    let m = get_nm_property(con, "org.freedesktop.NetworkManager", &"/org/freedesktop/NetworkManager".into(), "State").map_err(|_| ::std::io::Error::new(
        ::std::io::ErrorKind::Other,
        "could not retrieve state",
    ))?;
    let state: dbus::arg::Variant<u32> = m.get1().ok_or_else(|| ::std::io::Error::new(
        ::std::io::ErrorKind::Other,
        "could not read property",
    ))?;
    Ok(NetworkState::from(state.0))
 }
 fn primary_connection(con: &dbus::Connection) -> Result<NmConnection, ::std::io::Error> {
    let m = get_nm_property(con, "org.freedesktop.NetworkManager", &"/org/freedesktop/NetworkManager".into(), "PrimaryConnection").map_err(|_| ::std::io::Error::new(
        ::std::io::ErrorKind::Other,
        "could not primary connection",
    ))?;
    let primary_connection: dbus::arg::Variant<dbus::Path> = m.get1().ok_or_else(|| ::std::io::Error::new(
        ::std::io::ErrorKind::Other,
        "could not read property",
    ))?;
    if let Ok(conn) = primary_connection.0.as_cstr().to_str() {
        if conn == "/" {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "no primary connection",
            ));
        }
    }
    Ok(NmConnection { path: primary_connection.0.clone() })
 }
 fn active_connections(con: &dbus::Connection) -> Result<Vec<NmConnection>, ::std::io::Error> {
    let m = get_nm_property(con, "org.freedesktop.NetworkManager", &"/org/freedesktop/NetworkManager".into(), "ActiveConnections").map_err(|_| ::std::io::Error::new(
        ::std::io::ErrorKind::Other,
        "could not retrieve active connections",
    ))?;
    let active_connections: dbus::arg::Variant<dbus::arg::Array<dbus::Path, dbus::arg::Iter>> = m.get1().ok_or_else(|| ::std::io::Error::new(
        ::std::io::ErrorKind::Other,
        "could not read property",
    ))?;
    Ok(active_connections.0.into_iter().map(|x| NmConnection { path: x }).collect())
 }
 #[derive(Clone)]
 struct NmConnection<'a> {
    path: dbus::Path<'a>,
 }
 impl<'a> NmConnection<'a> {
    fn state(&self, con: &dbus::Connection) -> Result<ActiveConnectionState, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.Connection.Active", &self.path, "State").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve connection state",
        ))?;
        let state: dbus::arg::Variant<u32> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(ActiveConnectionState::from(state.0))
    }
    fn id(&self, con: &dbus::Connection) -> Result<String, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.Connection.Active", &self.path, "Id").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve connection ID",
        ))?;
        let id: dbus::arg::Variant<String> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(id.0)
    }
    fn devices(&self, con: &dbus::Connection) -> Result<Vec<NmDevice>, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.Connection.Active", &self.path, "Devices").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve connection devices",
        ))?;
        let devices: dbus::arg::Variant<dbus::arg::Array<dbus::Path, dbus::arg::Iter>> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(devices.0.into_iter().map(|x| NmDevice { path: x }).collect())
    }
 }
 #[derive(Clone)]
 struct NmDevice<'a> {
    path: dbus::Path<'a>,
 }
 impl<'a> NmDevice<'a> {
    fn device_type(&self, con: &dbus::Connection) -> Result<DeviceType, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.Device", &self.path, "DeviceType").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve device type",
        ))?;
        let device_type: dbus::arg::Variant<u32> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(DeviceType::from(device_type.0))
    }
    fn ip4config(&self, con: &dbus::Connection) -> Result<NmIp4Config, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.Device", &self.path, "Ip4Config").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve ip4config",
        ))?;
        let ip4config: dbus::arg::Variant<dbus::Path> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(NmIp4Config { path: ip4config.0 })
    }
    fn active_access_point(&self, con: &dbus::Connection) -> Result<NmAccessPoint, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.Device.Wireless", &self.path, "ActiveAccessPoint").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve device type",
        ))?;
        let active_ap: dbus::arg::Variant<dbus::Path> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(NmAccessPoint { path: active_ap.0 })
    }
 }
 #[derive(Clone)]
 struct NmAccessPoint<'a> {
    path: dbus::Path<'a>,
 }
 impl<'a> NmAccessPoint<'a> {
    fn ssid(&self, con: &dbus::Connection) -> Result<String, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.AccessPoint", &self.path, "Ssid").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve ssid",
        ))?;
        let ssid: dbus::arg::Variant<dbus::arg::Array<u8, dbus::arg::Iter>> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(std::str::from_utf8(&ssid.0.into_iter().collect::<Vec<u8>>())
            .map_err(|_| ::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "could not parse ssid",
            ))?
            .to_string())
    }
    fn strength(&self, con: &dbus::Connection) -> Result<u8, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.AccessPoint", &self.path, "Strength").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve access point strength",
        ))?;
        let strength: dbus::arg::Variant<u8> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(strength.0)
    }
    fn frequency(&self, con: &dbus::Connection) -> Result<u32, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.AccessPoint", &self.path, "Frequency").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve access point frequency",
        ))?;
        let frequency: dbus::arg::Variant<u32> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(frequency.0)
    }
 }
 #[derive(Clone)]
 struct NmIp4Config<'a> {
    path: dbus::Path<'a>,
 }
 impl<'a> NmIp4Config<'a> {
    fn addresses(&self, con: &dbus::Connection) -> Result<Vec<Ipv4Address>, ::std::io::Error> {
        let m = get_nm_property(con, "org.freedesktop.NetworkManager.IP4Config", &self.path, "Addresses").map_err(|_| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not retrieve addresses",
        ))?;
        let addresses: dbus::arg::Variant<dbus::arg::Array<dbus::arg::Array<u32, dbus::arg::Iter>, dbus::arg::Iter>> = m.get1().ok_or_else(|| ::std::io::Error::new(
            ::std::io::ErrorKind::Other,
            "could not read property",
        ))?;
        Ok(addresses.0.into_iter().map(|addr| Ipv4Address::from(addr)).collect())
    }
 }
 // The widget is created on a different thread than where it will be used, so
 // we need it to be Send. However, dbus::Connection has a void*, so it's not
 // auto-derived. So, we make a small wrapper where we make it Send.
 struct DbusConnection(dbus::Connection);
 impl std::convert::AsRef<dbus::Connection> for DbusConnection {
    fn as_ref(&self) -> &dbus::Connection {
        return &self.0;
    }
 }
 unsafe impl Send for DbusConnection {}
 #[derive(Debug)]
 struct Device {
    // name: String,
    t: DeviceType,
    ips: Vec<Ipv4Address>,
 }
 struct Connection {
    devices: Vec<Device>,
 }
 pub struct NetworkManager {
    con: DbusConnection,
    watch: dbus::Watch,
    font: RefCell<Font>,
    font_size: u32,
    state: NetworkState,
    dirty: bool,
    tx: Sender<Cmd>,
    length: u32,
    connections: Vec<Connection>,
 }
 impl NetworkManager {
    fn update(&mut self) -> Result<(), ::std::io::Error> {
        self.state = state(self.con.as_ref())?;
        self.connections = active_connections(self.con.as_ref())?
            .into_iter()
            .map(|c| {
                let devices = c.devices(self.con.as_ref()).unwrap()
                    .into_iter()
                    .map(|d| {
                        let t = d.device_type(self.con.as_ref()).unwrap();
                        let ips = d.ip4config(self.con.as_ref()).unwrap().addresses(self.con.as_ref()).unwrap();
                        Device{
                            t,
                            ips,
                        }
                    })
                    .collect();
                Connection{
                    devices
                }
            })
            .collect();
        Ok(())
    }
    pub fn new(font_size: f32, length: u32, tx: Sender<Cmd>) -> Result<Box<NetworkManager>, ::std::io::Error> {
        let con = dbus::Connection::get_private(dbus::BusType::System).map_err(|_| {
            ::std::io::Error::new(::std::io::ErrorKind::Other, "unable to open dbus")
        })?;
        let font = Font::new(&ROBOTO_REGULAR, font_size);
        let fds = con.watch_fds();
        if fds.len() != 1 {
            return Err(::std::io::Error::new(
                ::std::io::ErrorKind::Other,
                "expected 1 watch fd from dbus",
            ));
        }
        let mut nm = NetworkManager {
            con: DbusConnection(con),
            font: RefCell::new(font),
            font_size: font_size as u32,
            length,
            state: NetworkState::Unknown,
            dirty: true,
            watch: fds[0],
            tx,
            connections: Vec::new(),
        };
        nm.update()?;
        Ok(Box::new(nm))
    }
 }
 impl Widget for NetworkManager {
    fn wait(&mut self, ctx: &mut WaitContext) {
        let mut stuff = false;
        for _ in self
            .con
            .as_ref()
            .watch_handle(self.watch.fd(), dbus::WatchEvent::Readable as u32)
        {
            stuff = true;
        }
        if stuff {
            self.update().unwrap();
            self.dirty = true;
            self.tx.send(Cmd::Draw).unwrap();
        }
        ctx.fds
            .push(PollFd::new(self.watch.fd(), PollFlags::POLLIN));
    }
    fn enter(&mut self) {}
    fn leave(&mut self) {}
    fn size(&self) -> (u32, u32) {
        (self.length, self.font_size * self.connections.len() as u32)
    }
    fn draw(
        &mut self,
        ctx: &mut DrawContext,
        pos: (u32, u32),
    ) -> Result<DrawReport, ::std::io::Error> {
        let (width, height) = self.size();
        {
            if !self.dirty && !ctx.force {
                return Ok(DrawReport::empty(width, height));
            }
            self.dirty = false;
        }
        let buf = &mut ctx.buf.subdimensions((pos.0, pos.1, width, height))?;
        buf.memset(ctx.bg);
        for con in &self.connections {
            if con.devices.len() == 0 {
                continue;
            }
            let d = &con.devices[0];
            let c = Color::new(1.0, 1.0, 1.0, 1.0);
            self.font.borrow_mut().auto_draw_text(buf, ctx.bg, &c, "network")?;
            let bar_off = 5 * self.font_size;
            self.font.borrow_mut().auto_draw_text(&mut buf.offset((bar_off, 0))?, ctx.bg, &c, &format!("{:?}", d))?;
        }
        Ok(DrawReport {
            width: width,
            height: height,
            damage: vec![buf.get_signed_bounds()],
            full_damage: false,
        })
    }
    fn keyboard_input(&mut self, _: u32, _: ModifiersState, _: KeyState, _: Option<String>) {}
    fn mouse_click(&mut self, _: u32, _: (u32, u32)) {}
    fn mouse_scroll(&mut self, _: (f64, f64), _: (u32, u32)) {}
 }
Author	SHA1	Message	Date
Kenny Levinsen	c7c407a995	WIP NetworkManager widget	2019-10-06 00:19:44 +02:00
Kenny Levinsen	9233128b7c	Use global poll for ipc_server	2019-10-05 22:43:09 +02:00
Kenny Levinsen	b51fc8a1b0	Use global poll for UpowerBattery	2019-10-05 22:42:26 +02:00
Kenny Levinsen	0de3da162b	widget: Add wait support Widgets can now specify that they wish to wait on an fd or for a target time to be reached. This can be used to save a few worker threads.	2019-10-05 01:07:06 +02:00
Pedro Côrte-Real	510ad34183	Remove errant semicolon (#24 )	2019-10-03 19:03:38 +02:00
Kenny Levinsen	c676c0223b	rustfmt	2019-10-02 16:25:43 +02:00
Sergey Smirnykh	29252cbbc6	Various cleanups	2019-10-02 16:25:33 +02:00
Sergey Smirnykh	c695288d1e	config: Make YAML/JSON modular and optional (#21 )	2019-10-02 16:21:39 +02:00
Sergey Smirnykh	c02937d8b6	More efficient command-line arguments parsing	2019-10-02 16:20:10 +02:00
Sergey Smirnykh	b9ff6725cd	alsa: Use ? operator instead of and_then	2019-10-02 16:20:10 +02:00
Kenny Levinsen	3572d22ba8	Add modifier support, enter/leave events	2019-10-02 16:20:10 +02:00
Kenny Levinsen	50e2ab25a5	launcher: Increase gap to font_size/2	2019-09-25 20:34:21 +02:00
Kenny Levinsen	a1e36d9ac5	launcher: Space elements 3/8th of font-size	2019-09-25 20:27:50 +02:00
Sergey Smirnykh	1ae11bab29	Add ALSA widget (#18 ) Add initial ALSA widget, and put both ALSA and PulseAudio behind feature flags.	2019-09-18 11:19:10 +02:00
Kenny Levinsen	4e9f0e566f	launcher: Clear input buf when launching	2019-09-17 17:06:42 +02:00
Kenny Levinsen	4ca4fa307a	Fix various toggle-visible issues - Track "start" command internally as a special mode. - Ensure that DoubleMemPool is in good state if draw bails. - Ensure that Launcher does not terminate daemonized session. - Ensure that size changes cause full force redraw.	2019-09-17 16:32:51 +02:00
Kenny Levinsen	f2999fb53f	Ensure set_size is called after toggle_visibility	2019-09-17 13:16:48 +02:00
Kenny Levinsen	b94e80c346	pulseaudio: Ensure that both completion channels are read	2019-09-10 14:26:45 +02:00
Kenny Levinsen	c5cc36b7cf	README: Mention YAML/JSON	2019-09-07 15:48:24 +02:00
Kenny Levinsen	14388085cb	Add support for YAML	2019-09-07 12:26:30 +02:00
Kenny Levinsen	9908392af1	clock: Sizing error	2019-09-07 00:37:01 +02:00
Kenny Levinsen	d10883169f	Configurable background	2019-09-07 00:24:58 +02:00
Kenny Levinsen	d419946959	builds.sr.ht manifest	2019-09-06 23:23:12 +02:00
Kenny Levinsen	6679418696	rustfmt	2019-09-06 22:48:50 +02:00
Kenny Levinsen	61ad3e4d94	Remove deprecated libivy/bc features	2019-09-06 22:10:56 +02:00
Kenny Levinsen	89d96e28ac	Update README	2019-09-06 22:01:55 +02:00
Kenny Levinsen	b53a909e1c	Dynamic widget configuration and layout 1. Implement new layout API, replacing previous hard-coded layout. 2. Make the widgets (previously modules) configurable. 3. Split some widgets into smaller modules. 4. Configuration file (reluctantly JSON at time of writing). 5. More correct damage handling, copying damage to next buffer.	2019-09-06 21:54:04 +02:00
Kenny Levinsen	4053bb8973	README: Make note of dbus dependency	2019-09-03 17:33:06 +02:00
Kenny Levinsen	5555c3c787	Use XDG vars to find desktop files	2019-09-03 17:18:07 +02:00
Kenny Levinsen	3b4c9267bb	Simplify buffer positioning, introduce WLDASH_SCALE Replace most uses of Buffer::subdimensions with Buffer::offset. Introduce WLDASH_SCALE. Set to 2 to make wldash render at half size.	2019-09-03 13:24:21 +02:00
Kenny Levinsen	2bad68a8cf	Update dependencies	2019-08-29 01:30:36 +02:00
Kenny Levinsen	d41e338dfb	Integrate dot-desktop	2019-08-29 01:03:48 +02:00
Kenny Levinsen	46a1c9e701	Name threads, cargo fmt	2019-08-28 18:06:07 +02:00
Kenny Levinsen	bbfdb56d70	sound: Remove a thread	2019-08-28 18:04:31 +02:00
Kenny Levinsen	3dd09ca589	Update README.md	2019-08-28 15:23:56 +02:00
Kenny Levinsen	2d1d9d45d3	Clear buffer on forced draw	2019-08-28 15:20:17 +02:00
Kenny Levinsen	640165d8cc	launcher: Color modes	2019-08-28 14:57:47 +02:00
Kenny Levinsen	70bc9238c5	Add rcalc default calculator	2019-08-28 14:50:16 +02:00
Kenny Levinsen	fa759c304a	Add missing file	2019-08-27 19:28:12 +02:00
Kenny Levinsen	6deffa91bb	Experimental command socket support Introduces "start-or-kill" and "toggle-visible" commands. How the command socket is used will likely change soon.	2019-08-27 15:09:19 +02:00
Mel34	1cadf43d49	Update readme - bc feature mention - WLDASH_ALL_OUTPUTS=1	2019-08-26 21:42:23 +02:00
Kenny Levinsen	560f92a64e	Hide all output mode behind WLDASH_ALL_OUTPUTS=1	2019-08-26 17:53:11 +02:00
Kenny Levinsen	2f9534f75f	battery: Orange on low battery	2019-08-12 01:48:00 +02:00
Kenny Levinsen	4bc58623b7	app: Split from main	2019-08-12 01:47:50 +02:00
Kenny Levinsen	eec74ca750	modules: Move them all	2019-08-11 00:52:47 +02:00
Kenny Levinsen	2bb0a2f29f	Visible on all outputs	2019-08-10 00:01:23 +02:00
Kenny Levinsen	e9decaa594	Update libivy dependency	2019-08-09 19:20:32 +02:00
Kenny Levinsen	c10e312b51	launcher: wl-copy-based calc copy on enter	2019-08-09 12:30:04 +02:00
Kenny Levinsen	6e3bd0c4a8	launcher: Add bc calculator implementation	2019-08-09 12:29:37 +02:00
Kenny Levinsen	9c3bfb627e	calendar: Fix year location	2019-08-09 00:12:12 +02:00
Kenny Levinsen	a7011558b0	Update libivy dependency	2019-08-09 00:03:34 +02:00
Kenny Levinsen	92acc7c356	readme: Add info about launcher modes	2019-08-08 16:47:32 +02:00
Kenny Levinsen	e81a51416e	Enable fat LTO	2019-08-08 16:34:05 +02:00
Kenny Levinsen	19df29d7e0	launcher: rustfmt	2019-08-08 16:34:05 +02:00
Kenny Levinsen	461b34e5cb	sound/backlight: Invert scroll direction Fixes #3.	2019-08-08 16:33:27 +02:00
Kenny Levinsen	bb6c540441	readme: Add calculator build info	2019-08-07 14:04:00 +02:00
Kenny Levinsen	ec2cfff9c4	launcher: Add calculator feature	2019-08-07 14:02:37 +02:00
Kenny Levinsen	18c93ec538	launcher: Modes	2019-08-07 01:14:13 +02:00
Kenny Levinsen	ea2fd4b701	Sharpen up layout	2019-08-07 00:10:20 +02:00
Kenny Levinsen	37fcb7390b	Use pre-seeded font caches to avoid mut	2019-08-06 16:39:17 +02:00
Kenny Levinsen	c5d7faceba	main: Use map_keyboard_auto	2019-08-06 14:22:04 +02:00
Kenny Levinsen	ee4fe479d0	rustfmt	2019-08-06 14:21:10 +02:00
Kenny Levinsen	0896290411	draw: Ignore out of bounds writes	2019-08-06 14:09:18 +02:00
Kenny Levinsen	0d8facbb01	main: Remove unused import	2019-08-06 14:06:04 +02:00
Kenny Levinsen	a8c5c59b22	Cache all used font glyphs	2019-08-06 14:04:34 +02:00
Kenny Levinsen	b72c8e9cd9	launcher: Invert score sort	2019-08-06 09:51:14 +02:00
Kenny Levinsen	e63a28abb7	draw: lazy_static initialize fonts	2019-08-06 00:09:41 +02:00
Kenny Levinsen	11fd9a79c3	Bring down time to first draw	2019-08-05 23:45:59 +02:00
Kenny Levinsen	4e48df376b	Initialize modules in parallel with surface	2019-08-05 23:16:16 +02:00
Kenny Levinsen	fbc1f058ad	pulseaudio: Clean up locking a bit	2019-08-05 23:15:36 +02:00
Kenny Levinsen	840c8496ab	module: Make ModuleImpl Send	2019-08-05 23:15:11 +02:00
Kenny Levinsen	0b5a6f6538	calendar: Nothing to see here	2019-08-04 21:53:58 +02:00
Kenny Levinsen	7845d64313	battery: Color battery bar based on state	2019-08-04 21:52:13 +02:00
Kenny Levinsen	9329a1ebd8	launcher: Fuzzy match	2019-08-04 15:41:56 +02:00
Kenny Levinsen	b6bff9e9df	readme: Elaborate use of launcher feature	2019-08-04 14:39:46 +02:00
Kenny Levinsen	095c2c9aef	launcher: Show and return failed match strings	2019-08-04 14:39:23 +02:00
Kenny Levinsen	22893fd681	draw: Handle whitespaces better	2019-08-04 14:35:42 +02:00
Kenny Levinsen	beb6cb2f08	rustfmt	2019-08-04 14:23:49 +02:00
Kenny Levinsen	5cc4a6e740	Calculate window dimensions	2019-08-04 14:23:16 +02:00
Kenny Levinsen	a4f661ffa7	Avoid conversions to and from percent	2019-08-04 14:11:21 +02:00
Kenny Levinsen	339b069354	Add protocol notice to README.md	2019-08-04 14:11:05 +02:00
Kenny Levinsen	ca0e646564	launcher: Use draw_text_individual_colors	2019-08-03 10:39:48 +02:00
Kenny Levinsen	9116399ddd	draw: Add ability to set individual char color	2019-08-03 10:39:33 +02:00
Kenny Levinsen	c135f37b45	calendar: Slow down scroll, add click navigation	2019-08-03 01:14:57 +02:00
Kenny Levinsen	f6bc4c6bbb	Space layout a bit more	2019-08-03 01:04:14 +02:00
Kenny Levinsen	14ca00a866	launcher: Highlight 'Run' a bit more	2019-08-03 01:03:57 +02:00
Kenny Levinsen	f33bc883e3	launcher: Remove out-commented code	2019-08-03 01:03:41 +02:00
Kenny Levinsen	cee182df50	launcher: Better sorting of results	2019-08-02 19:11:39 +02:00
Kenny Levinsen	354558e592	launcher: Better substring search	2019-08-02 19:03:40 +02:00
Kenny Levinsen	9ea990d3c6	Update README.md	2019-08-02 17:30:18 +02:00
Kenny Levinsen	fa9716bc64	Update README.md	2019-08-02 17:21:03 +02:00
Kenny Levinsen	6f474a9a77	launcher: Case-insensitivity	2019-08-02 17:09:48 +02:00
Kenny Levinsen	e84ebf36dc	launcher: Capitalize 'run'	2019-08-02 16:06:51 +02:00
Kenny Levinsen	f351d183d3	calendar: Avoid overlap with launcher	2019-08-02 16:03:01 +02:00
Kenny Levinsen	52f4ae3cbf	Add README	2019-08-02 15:59:52 +02:00
Kenny Levinsen	a2bc6190ce	Add initial launcher implementation	2019-08-02 15:59:52 +02:00
Alex McGrath	a52bc3f126	Log error when brightness change fails Currently panics and closes the program, for example if there is an permissions error (where i encountered it)	2019-08-02 14:52:44 +02:00
Kenny Levinsen	1b8c041151	Add LICENSE	2019-08-02 14:50:58 +02:00
Kenny Levinsen	331cc930ca	Make room for container around bars	2019-08-02 12:59:08 +02:00
Kenny Levinsen	a5a7a6937c	battery: Add Upower-based battery monitor	2019-08-02 12:56:26 +02:00
Kenny Levinsen	a1b1bb01ff	backlight: Draw container box around bar	2019-08-02 12:56:10 +02:00
Kenny Levinsen	7e74b2e3ac	buffer: Remove unused highlight_bounds	2019-08-02 11:23:04 +02:00
Kenny Levinsen	5c50e294ff	main: Remove unused 'use'	2019-08-02 11:22:39 +02:00
Kenny Levinsen	7bfd708399	PulseAudio: Do not set dirty on input	2019-08-02 11:22:01 +02:00
Kenny Levinsen	bdcf83d1c2	Fix empty damage handling	2019-08-02 11:19:09 +02:00
Kenny Levinsen	bc16514f05	Invert scroll direction	2019-08-02 10:58:34 +02:00
Kenny Levinsen	734a7bf04a	Remove debug print	2019-08-02 10:58:27 +02:00
Kenny Levinsen	a3d4709472	PulseAudio improvements	2019-08-02 10:57:22 +02:00
Kenny Levinsen	0cee090fa2	PulseAudio module	2019-08-02 01:26:23 +02:00
Kenny Levinsen	9ac29b2a94	Slight cleanup	2019-08-01 11:07:33 +02:00
Kenny Levinsen	14a1611e9e	Draw bar for backlight	2019-08-01 00:09:51 +02:00
Kenny Levinsen	e426e1f884	Create seat before shell surface	2019-07-31 23:59:19 +02:00
Kenny Levinsen	b87bcd8cc9	Remove unused feature	2019-07-31 21:20:03 +02:00
Kenny Levinsen	a293b5914a	Fix input offsets	2019-07-31 17:37:15 +02:00
Kenny Levinsen	247a56edf5	Implement layer_shell, remove most sctk use	2019-07-31 16:44:13 +02:00
Kenny Levinsen	bf0a3617a6	Fix all the things	2019-07-31 10:26:12 +02:00
Kenny Levinsen	dea9378d8d	calendar: Allow scrolling	2019-07-31 01:03:22 +02:00
Kenny Levinsen	0a4e0829b9	Add module system, backlight control	2019-07-31 00:42:03 +02:00
Kenny Levinsen	9d2dd4ec37	Fix all the things	2019-07-30 16:31:42 +02:00
Kenny Levinsen	247286fc5e	Initial commit	2019-07-30 00:42:05 +02:00