gtk2/demos/gtk-demo/builder.c
Benjamin Otte b025ee428c builder: Connect signals automatically
gtk_builder_connect_signals() is no longer necessary, because all the
setup that made it necessary to have this extra step is now done
automatically via the closure functions.
2019-11-22 17:42:31 +01:00

124 lines
4.4 KiB
C

/* Builder
*
* Demonstrates an interface loaded from a XML description.
*/
#include <gtk/gtk.h>
static void
quit_activate (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWidget *window = user_data;
gtk_widget_destroy (window);
}
static void
about_activate (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GtkWidget *window = user_data;
GtkBuilder *builder;
GtkWidget *about_dlg;
builder = g_object_get_data (G_OBJECT (window), "builder");
about_dlg = GTK_WIDGET (gtk_builder_get_object (builder, "aboutdialog1"));
gtk_dialog_run (GTK_DIALOG (about_dlg));
gtk_widget_hide (about_dlg);
}
static void
help_activate (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
g_print ("Help not available\n");
}
static GActionEntry win_entries[] = {
{ "quit", quit_activate, NULL, NULL, NULL },
{ "about", about_activate, NULL, NULL, NULL },
{ "help", help_activate, NULL, NULL, NULL }
};
GtkWidget *
do_builder (GtkWidget *do_widget)
{
static GtkWidget *window = NULL;
GtkWidget *toolbar;
GActionGroup *actions;
GtkAccelGroup *accel_group;
GtkWidget *item;
if (!window)
{
GtkBuilder *builder;
builder = gtk_builder_new_from_resource ("/builder/demo.ui");
window = GTK_WIDGET (gtk_builder_get_object (builder, "window1"));
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
toolbar = GTK_WIDGET (gtk_builder_get_object (builder, "toolbar1"));
gtk_style_context_add_class (gtk_widget_get_style_context (toolbar),
"primary-toolbar");
actions = (GActionGroup*)g_simple_action_group_new ();
g_action_map_add_action_entries (G_ACTION_MAP (actions),
win_entries, G_N_ELEMENTS (win_entries),
window);
gtk_widget_insert_action_group (window, "win", actions);
accel_group = gtk_accel_group_new ();
gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
item = (GtkWidget*)gtk_builder_get_object (builder, "new_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_n, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "open_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_o, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "save_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_s, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "quit_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_q, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "copy_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_c, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "cut_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_x, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "paste_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_v, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "help_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_F1, 0, GTK_ACCEL_VISIBLE);
item = (GtkWidget*)gtk_builder_get_object (builder, "about_item");
gtk_widget_add_accelerator (item, "activate", accel_group,
GDK_KEY_F7, 0, GTK_ACCEL_VISIBLE);
g_object_set_data_full (G_OBJECT(window), "builder", builder, g_object_unref);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show (window);
else
gtk_widget_destroy (window);
return window;
}