2 files changed, 98 insertions, 0 deletions

diff --git a/src/application.c b/src/application.c
index c553bc1..f5edc7f 100644
--- a/src/application.c
+++ b/src/application.c
@@ -73,6 +73,101 @@ mq_application_main(MqApplication G_GNUC_UNUSED *application)
 	return EXIT_SUCCESS;
 }
 
+static void
+quit_confirm_warn_check_button_toggled_cb(GtkToggleButton *toggle_button,
+	MqApplication *application)
+{
+	mq_config_set_boolean(application->config, "tabs.warn-on-close",
+		gtk_toggle_button_get_active(toggle_button));
+	mq_config_save(application->config);
+}
+
+static void
+quit_confirm_response_cb(GtkWidget *dialog, gint response_id)
+{
+	gtk_widget_destroy(dialog);
+	if (response_id == GTK_RESPONSE_OK) {
+		gtk_main_quit();
+	}
+}
+
+void
+mq_application_quit(MqApplication *application, GtkWindow *parent)
+{
+	guint      num_windows;
+	guint      num_tabs;
+	GList     *item;
+	gchar     *message;
+	GtkWidget *message_label;
+	GtkWidget *check_button;
+	GtkWidget *vbox;
+	GtkWidget *hbox;
+	GtkWidget *dialog;
+
+	num_windows = 0;
+	num_tabs = 0;
+	for (item = application->windows; item; item = item->next) {
+		++num_windows;
+		num_tabs += mq_window_get_num_tabs(item->data);
+	}
+
+	if (num_tabs == 1) {  /* Also implies num_windows == 1 */
+		gtk_main_quit();
+		return;  /* Making sure... */
+	}
+
+	if (!mq_config_get_boolean(application->config, "tabs.warn-on-close")) {
+		gtk_main_quit();
+		return;  /* Making sure... */
+	}
+
+	/* Message */
+	message = g_strdup_printf("You are about to close %d tabs "
+		"in %d windows.  Are you sure you want to continue?",
+		num_tabs, num_windows);
+	message_label = gtk_label_new(message);
+	g_free(message);
+
+	/* Check button */
+	check_button = gtk_check_button_new_with_mnemonic(
+		"_Warn When Closing Multiple Tabs or Windows");
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check_button),
+		mq_config_get_boolean(application->config,
+			"tabs.warn-on-close"));
+	/* Connect signal after setting initial toggle status, to avoid a
+	 * spurious signal. */
+	g_signal_connect(check_button, "toggled",
+		G_CALLBACK(quit_confirm_warn_check_button_toggled_cb),
+		application);
+
+	/* Right vertical box (message and check button) */
+	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+	gtk_box_pack_start(GTK_BOX(vbox), message_label, FALSE, FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(vbox), check_button, FALSE, FALSE, 0);
+
+	/* Horizontal box (icon and right vertical box) */
+	hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
+	gtk_box_pack_start(GTK_BOX(hbox), gtk_image_new_from_icon_name(
+			"dialog-question", GTK_ICON_SIZE_DIALOG), FALSE, FALSE,
+			0);
+	gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);
+
+	/* Dialog */
+	dialog = gtk_dialog_new_with_buttons("Confirm Close", parent,
+		GTK_DIALOG_DESTROY_WITH_PARENT,
+		"_Cancel",     GTK_RESPONSE_CANCEL,
+		"Cl_ose Tabs", GTK_RESPONSE_OK,
+		NULL);
+	gtk_container_add(
+		GTK_CONTAINER(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),
+		hbox);
+	g_signal_connect(dialog, "response",
+		G_CALLBACK(quit_confirm_response_cb), NULL);
+	gtk_widget_show_all(dialog);
+
+	return;
+}
+
 MqConfig *
 mq_application_get_config(MqApplication *application)
 {
diff --git a/src/application.h b/src/application.h
index 8fa6f1c..4b5d08f 100644
--- a/src/application.h
+++ b/src/application.h
@@ -43,6 +43,9 @@ mq_application_new(gchar *profile, gboolean private);
 int
 mq_application_main(MqApplication *application);
 
+void
+mq_application_quit(MqApplication *application, GtkWindow *parent);
+
 MqConfig *
 mq_application_get_config(MqApplication *application);