gnome: Add help-overlay for shortcuts.

gnome/Cargo.toml

@@ -9,3 +9,4 @@ adw = { version = "0.7.0", package = "libadwaita", features = ["v1_5"] }
 gtk = { version = "0.9.0", package = "gtk4", features = ["blueprint", "v4_14"] }
 flume = "0.11.0"
 gettext-rs = { version = "0.7.1", features = ["gettext-system"] }
+gtk-blueprint = "0.2.0"

gnome/src/main.rs

@@ -2,6 +2,7 @@ use std::path::PathBuf;
 use gtk::{gio::SimpleAction, License};
 use adw::prelude::*;
 use gtk::glib::{self, clone};
+use gtk_blueprint::include_blp;
 
 mod search_match;
 mod search_model;
@@ -49,6 +50,24 @@ fn main() {
         }));
         app.add_action(&about_action);
 
+        let shortcuts_action = SimpleAction::new("shortcuts", None);
+        shortcuts_action.connect_activate(clone!(#[weak] window, move |_, _| {
+            let builder = gtk::Builder::from_string(include_blp!("gnome/src/shortcuts.blp"));
+            let help_overlay = builder.object::<gtk::ShortcutsWindow>("help-overlay").unwrap();
+            help_overlay.set_transient_for(Some(&window));
+            help_overlay.set_application(window.application().as_ref());
+            help_overlay.present();
+        }));
+        app.add_action(&shortcuts_action);
+        app.set_accels_for_action("app.shortcuts", &["<ctrl>h"]);
+
+        let quit_action = SimpleAction::new("quit", None);
+        quit_action.connect_activate(clone!(#[weak] window, move |_, _| {
+            window.close();
+        }));
+        app.add_action(&quit_action);
+        app.set_accels_for_action("app.quit", &["<ctrl>q"]);
+
         window.present();
     });
 

gnome/src/shortcuts.blp

@@ -0,0 +1,40 @@
+using Gtk 4.0;
+
+ShortcutsWindow help-overlay {
+  modal: true;
+  title: _("Clapgrep Shortcuts");
+
+  ShortcutsSection {
+    ShortcutsGroup {
+      title: _("General");
+
+      ShortcutsShortcut {
+        title: _("Quit");
+        accelerator: "<ctrl>q";
+        action-name: "app.quit";
+      }
+
+      ShortcutsShortcut {
+        title: _("Shortcuts");
+        accelerator: "<ctrl>h";
+        action-name: "app.shortcuts";
+      }
+    }
+
+    ShortcutsGroup {
+      title: _("Control Search");
+
+      ShortcutsShortcut {
+        title: _("Start Search");
+        accelerator: "<ctrl>Return";
+        action-name: "win.start-search";
+      }
+
+      ShortcutsShortcut {
+        title: _("Stop Search");
+        accelerator: "<ctrl>s";
+        action-name: "win.stop-search";
+      }
+    }
+  }
+}

po/POTFILES

@@ -1 +1,3 @@
-gnome/src/window/window.blp
+gnome/src/search_window/search_window.blp
+gnome/src/error_window/error_window.blp
+gnome/src/shortcuts.blp