feat: add linux platform support

Author: eatradish

Cargo.lock

@@ -35,6 +35,9 @@ objc2 = "0.6.3"
 [target.'cfg(target_os = "windows")'.dependencies]
 windows-sys = { version = "0.61.2", features = ["Win32_UI_WindowsAndMessaging", "Win32_UI_Input_KeyboardAndMouse"] }
 
+[target.'cfg(target_os = "linux")'.dependencies]
+gtk = "0.18.2"
+
 [dev-dependencies]
 tempfile = "3.20"
 

Cargo.toml

@@ -65,6 +65,8 @@ impl Default for Settings {
                 activation_key: "control+shift+d".to_string(),
                 #[cfg(target_os = "windows")]
                 activation_key: "ctrl+shift+d".to_string(),
+                #[cfg(target_os = "linux")]
+                activation_key: "ctrl+shift+d".to_string(),
             },
             storage: StorageSettings {
                 max_history_records: 100,

src/config/settings.rs

@@ -194,6 +194,11 @@ pub fn launch_app() {
     let is_silent = args.iter().any(|arg| arg == "--silent");
 
     Application::new().with_assets(Assets).run(move |cx| {
+        // Fix panic on message:
+        // GTK has not been initialized. Call `gtk::init` first.
+        #[cfg(target_os = "linux")]
+        gtk::init().expect("Failed to init gtk modules");
+
         // Set activation policy on macOS
         #[cfg(target_os = "macos")]
         set_activation_policy_accessory();
@@ -258,6 +263,8 @@ fn bind_application_keys(cx: &mut App) {
         KeyBinding::new("cmd-q", crate::gui::board::Quit, None),
         #[cfg(target_os = "windows")]
         KeyBinding::new("alt-f4", crate::gui::board::Quit, None),
+        #[cfg(target_os = "linux")]
+        KeyBinding::new("alt-f4", crate::gui::board::Quit, None),
         KeyBinding::new("up", crate::gui::board::SelectPrev, None),
         KeyBinding::new("down", crate::gui::board::SelectNext, None),
         KeyBinding::new("enter", crate::gui::board::ConfirmSelection, None),