launcher: Save prompt on exit

src/event.rs

@@ -28,6 +28,7 @@ pub enum Event {
     KeyEvent(KeyEvent),
     PointerEvent(PointerEvent),
     TokenUpdate(String),
+    FocusLost,
 }
 
 pub struct Events {

src/keyboard/keysyms.rs

@@ -3,7 +3,7 @@
 pub const XKB_KEY_BackSpace: u32 = 0xff08; /* Back space, back char */
 //pub const XKB_KEY_Tab: u32 = 0xff09;
 pub const XKB_KEY_Return: u32 = 0xff0d; /* Return, enter */
-//pub const XKB_KEY_Escape: u32 = 0xff1b;
+pub const XKB_KEY_Escape: u32 = 0xff1b;
 pub const XKB_KEY_Delete: u32 = 0xffff; /* Delete, rubout */
 pub const XKB_KEY_Home: u32 = 0xff50;
 pub const XKB_KEY_Left: u32 = 0xff51; /* Move left, left arrow */
@@ -17,4 +17,5 @@ pub const XKB_KEY_a: u32 = 0x0061; /* U+0061 LATIN SMALL LETTER A */
 pub const XKB_KEY_e: u32 = 0x0065; /* U+0065 LATIN SMALL LETTER E */
 //pub const XKB_KEY_c: u32 = 0x0063; /* U+0063 LATIN SMALL LETTER C */
 pub const XKB_KEY_k: u32 = 0x006b; /* U+006B LATIN SMALL LETTER K */
+pub const XKB_KEY_r: u32 = 0x0072; /* U+0072 LATIN SMALL LETTER R */
 pub const XKB_KEY_u: u32 = 0x0075; /* U+0075 LATIN SMALL LETTER U */

src/state.rs

@@ -2,7 +2,6 @@ use std::{
     cmp::max,
     default::Default,
     env,
-    process::exit,
     rc::Rc,
     sync::{Arc, Mutex},
 };
@@ -498,7 +497,10 @@ impl Dispatch<xdg_toplevel::XdgToplevel, ()> for State {
                 if activated {
                     state.activated = true;
                 } else if state.activated && !activated {
-                    exit(0);
+                    let ev = Event::FocusLost;
+                    for widget in state.widgets.iter_mut() {
+                        widget.event(&ev);
+                    }
                 }
 
                 if state.dimensions != (width, height) {

src/widgets/launcher.rs

@@ -629,6 +629,19 @@ impl Interface {
         }
     }
 
+    fn exit(&mut self) {
+        if self.inner.prompt.input.len() == 0 {
+            std::process::exit(0);
+        }
+
+        let home = env::var_os("HOME").unwrap().into_string().unwrap();
+        if let Ok(mut f) = File::create(format!("{}/.cache/wldash/prompt", home)) {
+            write!(f, "{}", self.inner.prompt.input).unwrap();
+            f.sync_data().unwrap();
+        }
+        std::process::exit(0);
+    }
+
     fn keyboard_input(&mut self, event: &KeyEvent) {
         if event.state != WEnum::Value(wl_keyboard::KeyState::Pressed) {
             return;
@@ -652,6 +665,12 @@ impl Interface {
                 self.inner.selection = 0;
                 widget.update(&self.inner);
             }
+            keysyms::XKB_KEY_r if event.modifiers.ctrl => {
+                let home = env::var_os("HOME").unwrap().into_string().unwrap();
+                if let Ok(s) = read_to_string(format!("{}/.cache/wldash/prompt", home)) {
+                    self.inner.prompt.set(&s);
+                }
+            }
             keysyms::XKB_KEY_Home => self.inner.prompt.home(),
             keysyms::XKB_KEY_End => self.inner.prompt.end(),
             keysyms::XKB_KEY_BackSpace => {
@@ -664,6 +683,7 @@ impl Interface {
                 self.inner.selection = 0;
                 widget.update(&self.inner);
             }
+            keysyms::XKB_KEY_Escape => self.exit(),
             keysyms::XKB_KEY_Return => widget.trigger(&mut self.inner),
             keysyms::XKB_KEY_Left => self.inner.prompt.move_cursor(-1),
             keysyms::XKB_KEY_Right => self.inner.prompt.move_cursor(1),
@@ -724,6 +744,7 @@ impl Widget for Interface {
         match event {
             Event::KeyEvent(e) => self.keyboard_input(e),
             Event::PointerEvent(e) => self.pointer_input(e),
+            Event::FocusLost => self.exit(),
             Event::LauncherUpdate => {
                 self.inner.dirty = true;
                 self.launcher.update(&self.inner);