From ae81246512f883ceadac4f814665e7d51dccfd1c Mon Sep 17 00:00:00 2001 From: Matthias Clasen Date: Sun, 22 Jul 2012 21:01:15 -0400 Subject: [PATCH] Add an example for handling app menu fallback The example shows how to use a menu button instead of the default menubar when the shell doesn't show the app menu. --- examples/Makefile.am | 3 +- examples/sunny.c | 213 +++++++++++++++++++++++++++++++++++++ gtk/gtkapplicationwindow.c | 8 ++ 3 files changed, 223 insertions(+), 1 deletion(-) create mode 100644 examples/sunny.c diff --git a/examples/Makefile.am b/examples/Makefile.am index f4d2f745c..4637c9cbc 100644 --- a/examples/Makefile.am +++ b/examples/Makefile.am @@ -53,7 +53,8 @@ noinst_PROGRAMS = \ hello-world \ window-default \ bloatpad \ - plugman \ + plugman \ + sunny \ grid-packing \ drawing \ builder diff --git a/examples/sunny.c b/examples/sunny.c new file mode 100644 index 000000000..524b89826 --- /dev/null +++ b/examples/sunny.c @@ -0,0 +1,213 @@ +#include +#include + +static void +new_window (GApplication *app, + GFile *file) +{ + GtkWidget *window, *scrolled, *view, *overlay; + GtkSettings *settings; + gboolean appmenu; + + window = gtk_application_window_new (GTK_APPLICATION (app)); + gtk_application_window_set_show_menubar (GTK_APPLICATION_WINDOW (window), FALSE); + gtk_window_set_default_size ((GtkWindow*)window, 640, 480); + gtk_window_set_title (GTK_WINDOW (window), "Sunny"); + + overlay = gtk_overlay_new (); + gtk_container_add (GTK_CONTAINER (window), overlay); + + settings = gtk_settings_get_default (); + g_object_get (settings, "gtk-shell-shows-app-menu", &appmenu, NULL); + if (!appmenu) + { + GMenuModel *model; + GtkWidget *menu; + GtkWidget *image; + + model = gtk_application_get_app_menu (GTK_APPLICATION (app)); + menu = gtk_menu_button_new (); + gtk_menu_button_set_menu_model (GTK_MENU_BUTTON (menu), model); + gtk_widget_set_halign (menu, GTK_ALIGN_END); + gtk_widget_set_valign (menu, GTK_ALIGN_START); + image = gtk_image_new (); + gtk_image_set_from_icon_name (GTK_IMAGE (image), + "sunny", + GTK_ICON_SIZE_MENU); + gtk_button_set_image (GTK_BUTTON (menu), image); + gtk_overlay_add_overlay (GTK_OVERLAY (overlay), menu); + } + + scrolled = gtk_scrolled_window_new (NULL, NULL); + gtk_widget_set_hexpand (scrolled, TRUE); + gtk_widget_set_vexpand (scrolled, TRUE); + view = gtk_text_view_new (); + + gtk_container_add (GTK_CONTAINER (scrolled), view); + gtk_container_add (GTK_CONTAINER (overlay), scrolled); + + if (file != NULL) + { + gchar *contents; + gsize length; + + if (g_file_load_contents (file, NULL, &contents, &length, NULL, NULL)) + { + GtkTextBuffer *buffer; + + buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); + gtk_text_buffer_set_text (buffer, contents, length); + g_free (contents); + } + } + + gtk_widget_show_all (GTK_WIDGET (window)); +} + +static void +activate (GApplication *application) +{ + new_window (application, NULL); +} + +static void +open (GApplication *application, + GFile **files, + gint n_files, + const gchar *hint) +{ + gint i; + + for (i = 0; i < n_files; i++) + new_window (application, files[i]); +} + +typedef GtkApplication MenuButton; +typedef GtkApplicationClass MenuButtonClass; + +G_DEFINE_TYPE (MenuButton, menu_button, GTK_TYPE_APPLICATION) + +static void +show_about (GSimpleAction *action, + GVariant *parameter, + gpointer user_data) +{ + gtk_show_about_dialog (NULL, + "program-name", "Sunny", + "title", "About Sunny", + "logo-icon-name", "sunny", + "comments", "A cheap Bloatpad clone.", + NULL); +} + + +static void +quit_app (GSimpleAction *action, + GVariant *parameter, + gpointer user_data) +{ + GList *list, *next; + GtkWindow *win; + + g_print ("Going down...\n"); + + list = gtk_application_get_windows (GTK_APPLICATION (g_application_get_default ())); + while (list) + { + win = list->data; + next = list->next; + + gtk_widget_destroy (GTK_WIDGET (win)); + + list = next; + } +} + +static void +new_activated (GSimpleAction *action, + GVariant *parameter, + gpointer user_data) +{ + GApplication *app = user_data; + + g_application_activate (app); +} + +static GActionEntry app_entries[] = { + { "about", show_about, NULL, NULL, NULL }, + { "quit", quit_app, NULL, NULL, NULL }, + { "new", new_activated, NULL, NULL, NULL } +}; + +static void +startup (GApplication *application) +{ + GtkBuilder *builder; + + G_APPLICATION_CLASS (menu_button_parent_class)->startup (application); + + g_action_map_add_action_entries (G_ACTION_MAP (application), app_entries, G_N_ELEMENTS (app_entries), application); + + builder = gtk_builder_new (); + gtk_builder_add_from_string (builder, + "" + " " + "
" + " " + " _New Window" + " app.new" + " " + " " + " _About Sunny" + " app.about" + " " + " " + " _Quit" + " app.quit" + " <Primary>q" + " " + "
" + " " + "", -1, NULL); + gtk_application_set_app_menu (GTK_APPLICATION (application), G_MENU_MODEL (gtk_builder_get_object (builder, "app-menu"))); + g_object_unref (builder); +} + +static void +menu_button_init (MenuButton *app) +{ +} + +static void +menu_button_class_init (MenuButtonClass *class) +{ + GApplicationClass *application_class = G_APPLICATION_CLASS (class); + + application_class->startup = startup; + application_class->activate = activate; + application_class->open = open; +} + +MenuButton * +menu_button_new (void) +{ + g_type_init (); + + return g_object_new (menu_button_get_type (), + "application-id", "org.gtk.Test.Sunny", + "flags", G_APPLICATION_HANDLES_OPEN, + NULL); +} + +int +main (int argc, char **argv) +{ + MenuButton *menu_button; + int status; + + menu_button = menu_button_new (); + status = g_application_run (G_APPLICATION (menu_button), argc, argv); + g_object_unref (menu_button); + + return status; +} diff --git a/gtk/gtkapplicationwindow.c b/gtk/gtkapplicationwindow.c index 9b27edf20..fff5380a2 100644 --- a/gtk/gtkapplicationwindow.c +++ b/gtk/gtkapplicationwindow.c @@ -107,6 +107,14 @@ * * * + * Handling fallback yourself + * + * + * FIXME: MISSING XINCLUDE CONTENT + * + * + * + * * The XML format understood by #GtkBuilder for #GMenuModel consists * of a toplevel menu element, which contains * one or more item elements. Each -- 2.43.2