Add a GtkApplication example to gtk3-demo

demos/gtk-demo/Makefile.am

@@ -6,6 +6,7 @@ democodedir=$(datadir)/gtk-$(GTK_API_VERSION)/demo
 ## These should be in the order you want them to appear in the
 ## demo app, which means alphabetized by demo title, not filename
 demos =						\
+	application.c				\
 	appwindow.c				\
 	assistant.c				\
 	builder.c				\
@@ -65,13 +66,17 @@ LDADDS = \
 	$(GTK_DEP_LIBS)				\
 	-lm
 
-bin_PROGRAMS = gtk3-demo
+bin_PROGRAMS = gtk3-demo gtk3-demo-application
 
-BUILT_SOURCES = demos.h
+BUILT_SOURCES = demos.h application_resources.c
 
 EXTRA_DIST += 		\
 	$(IMAGEFILES)	\
-	demo.ui
+	demo.ui		\
+	application.gresource.xml \
+	application.ui	\
+	gtk-logo-24.png	\
+	gtk-logo-48.png
 
 demos.h: @REBUILD@ $(demos) geninclude.pl
 	$(AM_V_GEN) (here=`pwd` ; cd $(srcdir) && $(PERL) $$here/geninclude.pl $(demos)) > demos.h
@@ -86,8 +91,17 @@ gtk3_demo_DEPENDENCIES = $(DEPS)
 gtk3_demo_LDADD = $(LDADDS)
 gtk3_demo_LDFLAGS = -export-dynamic
 
+gtk3_demo_application_SOURCES = \
+	application-standalone.c \
+	application_resources.c
+
+gtk3_demo_application_LDADD = $(LDADDS)
+
+application_resources.c: application.gresource.xml gtk-logo-24.png gtk-logo-48.png application.ui
+	glib-compile-resources --target=$@ --sourcedir=$(srcdir) --generate-source $(srcdir)/application.gresource.xml
+
 IMAGEFILES=	alphatest.png		\
-	        apple-red.png		\
+		apple-red.png		\
 		background.jpg		\
 		floppybuddy.gif		\
 		gnome-applets.png	\

demos/gtk-demo/application.c

@@ -0,0 +1,461 @@
+/* Application class
+ *
+ * Demonstrates a simple application.
+ *
+ * This examples uses GtkApplication, GtkApplicationWindow, GtkBuilder
+ * as well as GMenu and GResource. Due to the way GtkApplication is structured,
+ * it is run as a separate process.
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+
+#ifdef STANDALONE
+
+static void
+show_action_dialog (GSimpleAction *action)
+{
+  const gchar *name;
+  GtkWidget *dialog;
+
+  name = g_action_get_name (G_ACTION (action));
+
+  dialog = gtk_message_dialog_new (NULL,
+                                   GTK_DIALOG_DESTROY_WITH_PARENT,
+                                   GTK_MESSAGE_INFO,
+                                   GTK_BUTTONS_CLOSE,
+                                   "You activated action: \"%s\"",
+                                    name);
+
+  g_signal_connect (dialog, "response",
+                    G_CALLBACK (gtk_widget_destroy), NULL);
+
+  gtk_widget_show (dialog);
+}
+
+static void
+show_action_infobar (GSimpleAction *action,
+                     GVariant      *parameter,
+                     gpointer       window)
+{
+  GtkWidget *infobar;
+  GtkWidget *message;
+  gchar *text;
+  const gchar *name;
+  const gchar *value;
+
+  name = g_action_get_name (G_ACTION (action));
+  value = g_variant_get_string (parameter, NULL);
+
+  message = g_object_get_data (G_OBJECT (window), "message");
+  infobar = g_object_get_data (G_OBJECT (window), "infobar");
+  text = g_strdup_printf ("You activated radio action: \"%s\".\n"
+                          "Current value: %s", name, value);
+  gtk_label_set_text (GTK_LABEL (message), text);
+  gtk_widget_show (infobar);
+  g_free (text);
+}
+
+static void
+activate_action (GSimpleAction  *action,
+                 GVariant       *parameter,
+                 gpointer        user_data)
+{
+  show_action_dialog (action);
+}
+
+static void
+activate_toggle (GSimpleAction *action,
+                 GVariant      *parameter,
+                 gpointer       user_data)
+{
+  GVariant *state;
+
+  show_action_dialog (action);
+
+  state = g_action_get_state (G_ACTION (action));
+  g_action_change_state (G_ACTION (action), g_variant_new_boolean (!g_variant_get_boolean (state)));
+  g_variant_unref (state);
+}
+
+static void
+activate_radio (GSimpleAction *action,
+                GVariant      *parameter,
+                gpointer       user_data)
+{
+  show_action_infobar (action, parameter, user_data);
+
+  g_action_change_state (G_ACTION (action), parameter);
+}
+
+static void
+activate_about (GSimpleAction *action,
+                GVariant      *parameter,
+                gpointer       user_data)
+{
+  GtkWidget *window = user_data;
+  GdkPixbuf *pixbuf;
+  GInputStream *stream;
+
+  const gchar *authors[] = {
+    "Peter Mattis",
+    "Spencer Kimball",
+    "Josh MacDonald",
+    "and many more...",
+    NULL
+  };
+
+  const gchar *documentors[] = {
+    "Owen Taylor",
+    "Tony Gale",
+    "Matthias Clasen <mclasen@redhat.com>",
+    "and many more...",
+    NULL
+  };
+
+  stream = g_resources_open_stream ("/logos/gtk-logo-48.png", 0, NULL);
+  pixbuf = gdk_pixbuf_new_from_stream (stream, NULL, NULL);
+  g_object_unref (stream);
+
+  gtk_show_about_dialog (GTK_WINDOW (window),
+                         "program-name", "GTK+ Code Demos",
+                         "version", g_strdup_printf ("%s,\nRunning against GTK+ %d.%d.%d",
+                                                     PACKAGE_VERSION,
+                                                     gtk_get_major_version (),
+                                                     gtk_get_minor_version (),
+                                                     gtk_get_micro_version ()),
+                         "copyright", "(C) 1997-2009 The GTK+ Team",
+                         "license-type", GTK_LICENSE_LGPL_2_1,
+                         "website", "http://www.gtk.org",
+                         "comments", "Program to demonstrate GTK+ functions.",
+                         "authors", authors,
+                         "documenters", documentors,
+                         "logo", pixbuf,
+                         "title", "About GTK+ Code Demos",
+                         NULL);
+  g_object_unref (pixbuf);
+}
+
+static void
+activate_quit (GSimpleAction *action,
+               GVariant      *parameter,
+               gpointer       user_data)
+{
+  GtkApplication *app = user_data;
+  GtkWidget *win;
+  GList *list, *next;
+
+  list = gtk_application_get_windows (app);
+  while (list)
+    {
+      win = list->data;
+      next = list->next;
+
+      gtk_widget_destroy (GTK_WIDGET (win));
+
+      list = next;
+    }
+}
+
+static void
+register_stock_icons (void)
+{
+  static gboolean registered = FALSE;
+
+  if (!registered)
+    {
+      GdkPixbuf *pixbuf;
+      GtkIconFactory *factory;
+      GtkIconSet *icon_set;
+      GInputStream *stream;
+
+      static GtkStockItem items[] = {
+        { "demo-gtk-logo", "_GTK!", 0, 0, NULL }
+      };
+
+      registered = TRUE;
+
+      gtk_stock_add (items, G_N_ELEMENTS (items));
+
+      factory = gtk_icon_factory_new ();
+      gtk_icon_factory_add_default (factory);
+
+      stream = g_resources_open_stream ("/logos/gtk-logo-24.png", 0, NULL);
+      pixbuf = gdk_pixbuf_new_from_stream (stream, NULL, NULL);
+      g_object_unref (stream);
+
+      icon_set = gtk_icon_set_new_from_pixbuf (pixbuf);
+      gtk_icon_factory_add (factory, "demo-gtk-logo", icon_set);
+      gtk_icon_set_unref (icon_set);
+      g_object_unref (pixbuf);
+
+      /* Drop our reference to the factory, GTK will hold a reference. */
+      g_object_unref (factory);
+    }
+}
+
+static void
+update_statusbar (GtkTextBuffer *buffer,
+                  GtkStatusbar  *statusbar)
+{
+  gchar *msg;
+  gint row, col;
+  gint count;
+  GtkTextIter iter;
+
+  /* clear any previous message, underflow is allowed */
+  gtk_statusbar_pop (statusbar, 0);
+
+  count = gtk_text_buffer_get_char_count (buffer);
+
+  gtk_text_buffer_get_iter_at_mark (buffer,
+                                    &iter,
+                                    gtk_text_buffer_get_insert (buffer));
+
+  row = gtk_text_iter_get_line (&iter);
+  col = gtk_text_iter_get_line_offset (&iter);
+
+  msg = g_strdup_printf ("Cursor at row %d column %d - %d chars in document",
+                         row, col, count);
+
+  gtk_statusbar_push (statusbar, 0, msg);
+
+  g_free (msg);
+}
+
+static void
+mark_set_callback (GtkTextBuffer     *buffer,
+                   const GtkTextIter *new_location,
+                   GtkTextMark       *mark,
+                   gpointer           data)
+{
+  update_statusbar (buffer, GTK_STATUSBAR (data));
+}
+
+static void
+change_theme_state (GSimpleAction *action,
+                    GVariant      *state,
+                    gpointer       user_data)
+{
+  GtkSettings *settings = gtk_settings_get_default ();
+
+  g_object_set (G_OBJECT (settings),
+                "gtk-application-prefer-dark-theme",
+                g_variant_get_boolean (state),
+                NULL);
+
+  g_simple_action_set_state (action, state);
+}
+
+static void
+change_titlebar_state (GSimpleAction *action,
+                       GVariant      *state,
+                       gpointer       user_data)
+{
+  GtkWindow *window = user_data;
+
+  gtk_window_set_hide_titlebar_when_maximized (GTK_WINDOW (window),
+                                               g_variant_get_boolean (state));
+
+  g_simple_action_set_state (action, state);
+}
+
+static void
+change_radio_state (GSimpleAction *action,
+                    GVariant      *state,
+                    gpointer       user_data)
+{
+  g_simple_action_set_state (action, state);
+}
+
+static GActionEntry app_entries[] = {
+  { "new", activate_action, NULL, NULL, NULL },
+  { "open", activate_action, NULL, NULL, NULL },
+  { "save", activate_action, NULL, NULL, NULL },
+  { "save-as", activate_action, NULL, NULL, NULL },
+  { "quit", activate_quit, NULL, NULL, NULL },
+  { "dark", activate_toggle, NULL, "false", change_theme_state }
+};
+
+static GActionEntry win_entries[] = {
+  { "titlebar", activate_toggle, NULL, "false", change_titlebar_state },
+  { "color", activate_radio, "s", "'red'", change_radio_state },
+  { "shape", activate_radio, "s", "'oval'", change_radio_state },
+  { "bold", activate_toggle, NULL, "false", NULL },
+  { "about", activate_about, NULL, NULL, NULL },
+  { "logo", activate_action, NULL, NULL, NULL }
+};
+
+static void
+clicked_cb (GtkWidget *widget, GtkWidget *info)
+{
+  gtk_widget_hide (info);
+}
+
+static void
+activate (GApplication *app)
+{
+  GtkBuilder *builder;
+  GtkWidget *window;
+  GtkWidget *grid;
+  GtkWidget *contents;
+  GtkWidget *status;
+  GtkWidget *message;
+  GtkWidget *button;
+  GtkWidget *infobar;
+  GtkTextBuffer *buffer;
+  GMenuModel *appmenu, *menubar;
+  GBytes *bytes;
+  const gchar *data;
+  gsize size;
+
+  window = gtk_application_window_new (GTK_APPLICATION (app));
+  gtk_window_set_title (GTK_WINDOW (window), "Application Class");
+  gtk_window_set_icon_name (GTK_WINDOW (window), "document-open");
+  gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
+
+  g_action_map_add_action_entries (G_ACTION_MAP (window),
+                                   win_entries, G_N_ELEMENTS (win_entries),
+                                   window);
+
+  builder = gtk_builder_new ();
+
+  bytes = g_resources_lookup_data ("/ui/application.ui", 0, NULL);
+  data = g_bytes_get_data (bytes, &size);
+  gtk_builder_add_from_string (builder, data, size, NULL);
+  g_bytes_unref (bytes);
+
+  grid = (GtkWidget *)gtk_builder_get_object (builder, "grid");
+  appmenu = (GMenuModel *)gtk_builder_get_object (builder, "appmenu");
+  menubar = (GMenuModel *)gtk_builder_get_object (builder, "menubar");
+  contents = (GtkWidget *)gtk_builder_get_object (builder, "contents");
+  status = (GtkWidget *)gtk_builder_get_object (builder, "status");
+  message = (GtkWidget *)gtk_builder_get_object (builder, "message");
+  button = (GtkWidget *)gtk_builder_get_object (builder, "button");
+  infobar = (GtkWidget *)gtk_builder_get_object (builder, "infobar");
+
+  g_object_set_data (G_OBJECT (window), "message", message);
+  g_object_set_data (G_OBJECT (window), "infobar", infobar);
+
+  gtk_container_add (GTK_CONTAINER (window), grid);
+  gtk_application_set_app_menu (GTK_APPLICATION (app), appmenu);
+  gtk_application_set_menubar (GTK_APPLICATION (app), menubar);
+
+  gtk_widget_grab_focus (contents);
+  g_signal_connect (button, "clicked", G_CALLBACK (clicked_cb), infobar);
+
+  /* Show text widget info in the statusbar */
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (contents));
+  g_signal_connect_object (buffer, "changed",
+                           G_CALLBACK (update_statusbar), status, 0);
+  g_signal_connect_object (buffer, "mark-set",
+                           G_CALLBACK (mark_set_callback), status, 0);
+
+  update_statusbar (buffer, GTK_STATUSBAR (status));
+
+  gtk_widget_show_all (window);
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkApplication *app;
+
+  gtk_init (NULL, NULL);
+
+  register_stock_icons ();
+
+  app = gtk_application_new ("org.gtk.Demo", 0);
+
+  g_action_map_add_action_entries (G_ACTION_MAP (app),
+                                   app_entries, G_N_ELEMENTS (app_entries),
+                                   app);
+
+  g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
+
+  g_application_run (G_APPLICATION (app), 0, NULL);
+
+  return 0;
+}
+
+#else /* !STANDALONE */
+
+static gboolean name_seen;
+static GtkWidget *placeholder;
+
+static void
+on_name_appeared (GDBusConnection *connection,
+                  const gchar     *name,
+                  const gchar     *name_owner,
+                  gpointer         user_data)
+{
+  name_seen = TRUE;
+}
+
+static void
+on_name_vanished (GDBusConnection *connection,
+                  const gchar     *name,
+                  gpointer         user_data)
+{
+  if (!name_seen)
+    return;
+
+  if (placeholder)
+    {
+      gtk_widget_destroy (placeholder);
+      g_object_unref (placeholder);
+      placeholder = NULL;
+    }
+}
+
+GtkWidget *
+do_application (GtkWidget *toplevel)
+{
+  static guint watch = 0;
+
+  if (watch == 0)
+    watch = g_bus_watch_name (G_BUS_TYPE_SESSION,
+                              "org.gtk.Demo",
+                              0,
+                              on_name_appeared,
+                              on_name_vanished,
+                              NULL, NULL);
+
+  if (placeholder == NULL)
+    {
+      const gchar *command;
+      GError *error = NULL;
+
+      if (g_file_test ("./gtk3-demo-application", G_FILE_TEST_IS_EXECUTABLE))
+        command = "./gtk3-demo-application";
+      else
+        command = "gtk3-demo-application";
+
+      if (!g_spawn_command_line_async (command, &error))
+        {
+          g_warning ("%s", error->message);
+          g_error_free (error);
+        }
+
+      placeholder = gtk_label_new ("");
+      g_object_ref_sink (placeholder);
+    }
+  else
+    {
+      g_dbus_connection_call_sync (g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL),
+                              "org.gtk.Demo",
+                              "/org/gtk/Demo",
+                              "org.gtk.Actions",
+                              "Activate",
+                              g_variant_new ("(sava{sv})", "quit", NULL, NULL),
+                              NULL,
+                              0,
+                              G_MAXINT,
+                              NULL, NULL);
+    }
+
+  return placeholder;
+}
+
+#endif

demos/gtk-demo/application.gresource.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/logos">
+    <file>gtk-logo-24.png</file>
+    <file>gtk-logo-48.png</file>
+  </gresource>
+  <gresource prefix="/ui">
+    <file>application.ui</file>
+  </gresource>
+</gresources>

demos/gtk-demo/application.ui

@@ -0,0 +1,150 @@
+<?xml version="1.0"?>
+<interface>
+  <object class="GtkGrid" id="grid">
+    <child>
+      <object class="GtkToolbar" id="toolbar">
+        <property name="orientation">horizontal</property>
+        <property name="halign">fill</property>
+        <property name="hexpand">True</property>
+        <child>
+          <object class="GtkMenuToolButton" id="menu">
+            <property name="stock-id">gtk-open</property>
+            <child type="menu">
+              <object class="GtkMenu" id="m">
+                <child>
+                  <object class="GtkMenuItem" id="file">
+                    <property name="visible">True</property>
+                    <property name="label">File1</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="GtkToolButton" id="quit">
+            <property name="stock-id">gtk-quit</property>
+            <property name="action-name">app.quit</property>
+          </object>
+        </child>
+        <child>
+          <object class="GtkSeparatorToolItem" id="sep">
+          </object>
+        </child>
+        <child>
+          <object class="GtkToolButton" id="logo">
+            <property name="stock-id">demo-gtk-logo</property>
+            <property name="action-name">win.logo</property>
+          </object>
+        </child>
+      </object>
+      <packing>
+        <property name="left-attach">0</property>
+        <property name="top-attach">0</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkInfoBar" id="infobar">
+        <property name="no-show-all">True</property>
+        <property name="halign">fill</property>
+        <property name="hexpand">True</property>
+        <child internal-child="content_area">
+          <object class="GtkBox" id="content_area">
+            <child>
+              <object class="GtkLabel" id="message">
+                <property name="visible">True</property>
+                <property name="hexpand">True</property>
+                <property name="halign">fill</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child internal-child="action_area">
+          <object class="GtkBox" id="action_area">
+            <child>
+              <object class="GtkButton" id="button">
+                <property name="visible">True</property>
+                <property name="valign">center</property>
+                <property name="label">gtk-ok</property>
+                <property name="use-stock">True</property>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+      <packing>
+        <property name="left-attach">0</property>
+        <property name="top-attach">1</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkScrolledWindow" id="sw">
+        <property name="shadow-type">in</property>
+        <child>
+          <object class="GtkTextView" id="contents">
+            <property name="halign">fill</property>
+            <property name="valign">fill</property>
+            <property name="hexpand">True</property>
+            <property name="vexpand">True</property>
+          </object>
+        </child>
+      </object>
+      <packing>
+        <property name="left-attach">0</property>
+        <property name="top-attach">2</property>
+      </packing>
+    </child>
+    <child>
+      <object class="GtkStatusbar" id="status">
+        <property name="halign">fill</property>
+        <property name="hexpand">True</property>
+        <property name="visible">True</property>
+      </object>
+      <packing>
+        <property name="left-attach">0</property>
+        <property name="top-attach">3</property>
+      </packing>
+    </child>
+  </object>
+  <menu id="appmenu">
+    <section>
+      <item label="_New" action="app.new" accel="<Primary>n"/>
+      <item label="_Open" action="app.open"/>
+      <item label="_Save" action="app.save" accel="<Primary>s"/>
+      <item label="Save _As..." action="app.save-as" accel="<Primary>s"/>
+    </section>
+    <section>
+      <item label="_Quit" action="app.quit" accel="<Primary>q"/>
+    </section>
+  </menu>
+  <menu id="menubar">
+    <section>
+      <submenu label="_Preferences">
+        <section>
+          <item label="_Prefer Dark Theme" action="app.dark"/>
+          <item label="_Hide Titlebar when maximized" action="win.titlebar"/>
+          <submenu label="_Color">
+            <section>
+              <item label="_Red" action="win.color" target="red" accel="<Primary>r"/>
+              <item label="_Green" action="win.color" target="green" accel="<Primary>g"/>
+              <item label="_Blue" action="win.color" target="blue" accel="<Primary>b"/>
+            </section>
+          </submenu>
+          <submenu label="_Shape">
+            <section>
+              <item label="_Square" action="win.shape" target="square" accel="<Primary>s"/>
+              <item label="_Rectangle" action="win.shape" target="rectangle" accel="<Primary>r"/>
+              <item label="_Oval" action="win.shape" target="oval" accel="<Primary>o"/>
+            </section>
+          </submenu>
+          <item label="_Bold" action="win.bold" accel="<Primary>b"/>
+        </section>
+      </submenu>
+      <submenu label="_Help">
+        <section>
+          <item label="_About" action="win.about" accel="<Primary>a"/>
+        </section>
+      </submenu>
+    </section>
+  </menu>
+</interface>

demos/gtk-demo/appwindow.c

@@ -1,6 +1,8 @@
-/* Application main window
+/* Application window
  *
  * Demonstrates a typical application window with menubar, toolbar, statusbar.
+ *
+ * This example uses GtkUIManager and GtkActionGroup.
  */
 
 #include <gtk/gtk.h>

demos/gtk-demo/main.c

@@ -782,7 +782,7 @@ create_tree (void)
   GtkTreeIter iter;
   GtkWidget *box, *label, *scrolled_window;
 
-  Demo *d = testgtk_demos;
+  Demo *d = gtk_demos;
 
   model = gtk_tree_store_new (NUM_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_INT);
   tree_view = gtk_tree_view_new ();
@@ -936,10 +936,8 @@ main (int argc, char **argv)
    * these few lines, which are just a hack so gtk-demo will work
    * in the GTK tree without installing it.
    */
-  if (g_file_test ("../../gdk-pixbuf/libpixbufloader-pnm.la",
-                   G_FILE_TEST_EXISTS))
+  if (g_file_test ("../../modules/input/immodules.cache", G_FILE_TEST_EXISTS))
     {
-      g_setenv ("GDK_PIXBUF_MODULE_FILE", "../../gdk-pixbuf/loaders.cache", TRUE);
       g_setenv ("GTK_IM_MODULE_FILE", "../../modules/input/immodules.cache", TRUE);
     }
   /* -- End of hack -- */
@@ -1002,7 +1000,7 @@ main (int argc, char **argv)
   gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
   gtk_widget_show_all (window);
 
-  load_file (testgtk_demos[0].filename);
+  load_file (gtk_demos[0].filename);
 
   gtk_main ();