ui: Add InhibitShortcutsDialog

https://bugzilla.gnome.org/show_bug.cgi?id=783342

data/theme/gnome-shell-high-contrast.css

@@ -454,6 +454,10 @@ StScrollBar {
 .extension-dialog .message-dialog-title {
   color: #b2b2a9; }
 
+/* Inhibit-Shortcuts Dialog */
+.inhibit-shortcuts-dialog {
+  spacing: 30px; }
+
 /* Network Agent Dialog */
 .network-dialog-secret-table {
   spacing-rows: 15px;

data/theme/gnome-shell-sass

@@ -1 +1 @@
-Subproject commit 82941c9d93a879bab99545fdf57e4bb3299a9e7f
+Subproject commit 70e3ae3873b5269e9632525d94cf72d7bdbfb07f

data/theme/gnome-shell.css

@@ -454,6 +454,10 @@ StScrollBar {
 .extension-dialog .message-dialog-title {
   color: #b2b2a9; }
 
+/* Inhibit-Shortcuts Dialog */
+.inhibit-shortcuts-dialog {
+  spacing: 30px; }
+
 /* Network Agent Dialog */
 .network-dialog-secret-table {
   spacing-rows: 15px;

js/js-resources.gresource.xml

@@ -59,6 +59,7 @@
     <file>ui/grabHelper.js</file>
     <file>ui/ibusCandidatePopup.js</file>
     <file>ui/iconGrid.js</file>
+    <file>ui/inhibitShortcutsDialog.js</file>
     <file>ui/keyboard.js</file>
     <file>ui/layout.js</file>
     <file>ui/lightbox.js</file>

js/ui/inhibitShortcutsDialog.js

@@ -0,0 +1,94 @@
+const Clutter = imports.gi.Clutter;
+const Gio = imports.gi.Gio;
+const GObject = imports.gi.GObject;
+const Gtk = imports.gi.Gtk;
+const Lang = imports.lang;
+const Meta = imports.gi.Meta;
+const Shell = imports.gi.Shell;
+const St = imports.gi.St;
+
+const Dialog = imports.ui.dialog;
+const ModalDialog = imports.ui.modalDialog;
+
+const WAYLAND_KEYBINDINGS_SCHEMA = 'org.gnome.mutter.wayland.keybindings';
+
+var DialogResponse = Meta.InhibitShortcutsDialogResponse;
+
+var InhibitShortcutsDialog = new Lang.Class({
+    Name: 'InhibitShortcutsDialog',
+    Extends: GObject.Object,
+    Implements: [Meta.InhibitShortcutsDialog],
+    Properties: {
+        'window': GObject.ParamSpec.override('window', Meta.InhibitShortcutsDialog)
+    },
+
+    _init: function(window) {
+        this.parent();
+        this._window = window;
+
+        this._dialog = new ModalDialog.ModalDialog();
+        this._buildLayout();
+    },
+
+    get window() {
+        return this._window;
+    },
+
+    set window(window) {
+        this._window = window;
+    },
+
+    _getRestoreAccel: function() {
+        let settings = new Gio.Settings({ schema_id: WAYLAND_KEYBINDINGS_SCHEMA });
+        let accel = settings.get_strv('restore-shortcuts')[0] || '';
+        return Gtk.accelerator_get_label.apply(null,
+                                               Gtk.accelerator_parse(accel));
+    },
+
+    _buildLayout: function() {
+        let windowTracker = Shell.WindowTracker.get_default();
+        let app = windowTracker.get_window_app(this._window);
+        let name = app ? app.get_name() : this._window.title;
+
+        /* Translators: %s is an application name like "Settings" */
+        let title = name ? _("%s wants to inhibit shortcuts").format(name)
+                         : _("Application wants to inhibit shortcuts");
+        let icon = new Gio.ThemedIcon({ name: 'dialog-warning-symbolic' });
+
+        let contentParams = { icon, title };
+
+        /* Translators: %s is a keyboard shortcut like "Super+x" */
+        let restoreAccel = this._getRestoreAccel();
+        if (restoreAccel)
+            contentParams.subtitle =
+                _("You can restore shortcuts by pressing %s.").format(restoreAccel);
+
+        let content = new Dialog.MessageDialogContent(contentParams);
+        this._dialog.contentLayout.add_actor(content);
+
+        this._dialog.addButton({ label: _("Deny"),
+                                 action: () => {
+                                     this._emitResponse(DialogResponse.DENY);
+                                 },
+                                 key: Clutter.KEY_Escape });
+
+        this._dialog.addButton({ label: _("Allow"),
+                                 action: () => {
+                                     this._emitResponse(DialogResponse.ALLOW);
+                                 },
+                                 default: true });
+    },
+
+    _emitResponse: function(response) {
+        this.emit('response', response);
+        this._dialog.close();
+    },
+
+    vfunc_show: function() {
+        this._dialog.open();
+    },
+
+    vfunc_hide: function() {
+        this._dialog.close();
+    }
+});

js/ui/windowManager.js

@@ -14,6 +14,7 @@ const Signals = imports.signals;
 const AltTab = imports.ui.altTab;
 const Dialog = imports.ui.dialog;
 const WorkspaceSwitcherPopup = imports.ui.workspaceSwitcherPopup;
+const InhibitShortcutsDialog = imports.ui.inhibitShortcutsDialog;
 const Main = imports.ui.main;
 const ModalDialog = imports.ui.modalDialog;
 const Tweener = imports.ui.tweener;
@@ -711,6 +712,7 @@ var WindowManager = new Lang.Class({
         this._shellwm.connect('filter-keybinding', Lang.bind(this, this._filterKeybinding));
         this._shellwm.connect('confirm-display-change', Lang.bind(this, this._confirmDisplayChange));
         this._shellwm.connect('create-close-dialog', Lang.bind(this, this._createCloseDialog));
+        this._shellwm.connect('create-inhibit-shortcuts-dialog', Lang.bind(this, this._createInhibitShortcutsDialog));
         global.screen.connect('restacked', Lang.bind(this, this._syncStacking));
 
         this._workspaceSwitcherPopup = null;
@@ -1976,6 +1978,10 @@ var WindowManager = new Lang.Class({
         return new CloseDialog.CloseDialog(window);
     },
 
+    _createInhibitShortcutsDialog: function (shellwm, window) {
+        return new InhibitShortcutsDialog.InhibitShortcutsDialog(window);
+    },
+
     _showResizePopup: function(display, show, rect, displayW, displayH) {
         if (show) {
             if (!this._resizePopup)

src/gnome-shell-plugin.c

@@ -91,6 +91,9 @@ static const MetaPluginInfo *gnome_shell_plugin_plugin_info   (MetaPlugin *plugi
 static MetaCloseDialog * gnome_shell_plugin_create_close_dialog (MetaPlugin *plugin,
                                                               MetaWindow *window);
 
+static MetaInhibitShortcutsDialog * gnome_shell_plugin_create_inhibit_shortcuts_dialog (MetaPlugin *plugin,
+                                                                                        MetaWindow *window);
+
 #define GNOME_TYPE_SHELL_PLUGIN            (gnome_shell_plugin_get_type ())
 #define GNOME_SHELL_PLUGIN(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_SHELL_PLUGIN, GnomeShellPlugin))
 #define GNOME_SHELL_PLUGIN_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GNOME_TYPE_SHELL_PLUGIN, GnomeShellPluginClass))
@@ -153,6 +156,7 @@ gnome_shell_plugin_class_init (GnomeShellPluginClass *klass)
   plugin_class->plugin_info       = gnome_shell_plugin_plugin_info;
 
   plugin_class->create_close_dialog = gnome_shell_plugin_create_close_dialog;
+  plugin_class->create_inhibit_shortcuts_dialog = gnome_shell_plugin_create_inhibit_shortcuts_dialog;
 }
 
 static void
@@ -436,3 +440,10 @@ gnome_shell_plugin_create_close_dialog (MetaPlugin *plugin,
 {
   return _shell_wm_create_close_dialog (get_shell_wm (), window);
 }
+
+static MetaInhibitShortcutsDialog *
+gnome_shell_plugin_create_inhibit_shortcuts_dialog (MetaPlugin *plugin,
+                                                    MetaWindow *window)
+{
+  return _shell_wm_create_inhibit_shortcuts_dialog (get_shell_wm (), window);
+}

src/shell-wm-private.h

@@ -55,6 +55,9 @@ void _shell_wm_confirm_display_change (ShellWM            *wm);
 MetaCloseDialog * _shell_wm_create_close_dialog (ShellWM     *wm,
                                                  MetaWindow  *window);
 
+MetaInhibitShortcutsDialog * _shell_wm_create_inhibit_shortcuts_dialog (ShellWM     *wm,
+                                                                        MetaWindow  *window);
+
 G_END_DECLS
 
 #endif /* __SHELL_WM_PRIVATE_H__ */

src/shell-wm.c

@@ -34,6 +34,7 @@ enum
   FILTER_KEYBINDING,
   CONFIRM_DISPLAY_CHANGE,
   CREATE_CLOSE_DIALOG,
+  CREATE_INHIBIT_SHORTCUTS_DIALOG,
 
   LAST_SIGNAL
 };
@@ -185,6 +186,22 @@ shell_wm_class_init (ShellWMClass *klass)
                   0,
                   NULL, NULL, NULL,
                   META_TYPE_CLOSE_DIALOG, 1, META_TYPE_WINDOW);
+  /**
+   * ShellWM::create-inhibit-shortcuts-dialog:
+   * @wm: The WM
+   * @window: The window to create the dialog for
+   *
+   * Creates an inhibit shortcuts dialog for the given window.
+   *
+   * Returns: (transfer full): The inhibit shortcuts dialog instance.
+   */
+  shell_wm_signals[CREATE_INHIBIT_SHORTCUTS_DIALOG] =
+    g_signal_new ("create-inhibit-shortcuts-dialog",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  0,
+                  NULL, NULL, NULL,
+                  META_TYPE_INHIBIT_SHORTCUTS_DIALOG, 1, META_TYPE_WINDOW);
 }
 
 void
@@ -414,6 +431,17 @@ _shell_wm_create_close_dialog (ShellWM    *wm,
   return dialog;
 }
 
+MetaInhibitShortcutsDialog *
+_shell_wm_create_inhibit_shortcuts_dialog (ShellWM    *wm,
+                                           MetaWindow *window)
+{
+  MetaInhibitShortcutsDialog *dialog;
+
+  g_signal_emit (wm, shell_wm_signals[CREATE_INHIBIT_SHORTCUTS_DIALOG], 0, window, &dialog);
+
+  return dialog;
+}
+
 /**
  * shell_wm_new:
  * @plugin: the #MetaPlugin