mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-10 02:40:11 +00:00
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/* Shortcuts
|
|
* #Keywords: GtkShortcutController
|
|
*
|
|
* GtkShortcut is the abstraction used by GTK to handle shortcuts from
|
|
* keyboard or other input devices.
|
|
*
|
|
* Shortcut triggers can be used to weave complex sequences of key
|
|
* presses into sophisticated mechanisms to activate shortcuts.
|
|
*
|
|
* This demo code shows creative ways to do that.
|
|
*/
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
static GtkWidget *window = NULL;
|
|
|
|
static gboolean
|
|
shortcut_activated (GtkWidget *widget,
|
|
GVariant *unused,
|
|
gpointer row)
|
|
{
|
|
g_print ("activated %s\n", gtk_label_get_label (row));
|
|
return TRUE;
|
|
}
|
|
|
|
static GtkShortcutTrigger *
|
|
create_ctrl_g (void)
|
|
{
|
|
return gtk_keyval_trigger_new (GDK_KEY_g, GDK_CONTROL_MASK);
|
|
}
|
|
|
|
static GtkShortcutTrigger *
|
|
create_x (void)
|
|
{
|
|
return gtk_keyval_trigger_new (GDK_KEY_x, 0);
|
|
}
|
|
|
|
struct {
|
|
const char *description;
|
|
GtkShortcutTrigger * (* create_trigger_func) (void);
|
|
} shortcuts[] = {
|
|
{ "Press Ctrl-G", create_ctrl_g },
|
|
{ "Press X", create_x },
|
|
};
|
|
|
|
GtkWidget *
|
|
do_shortcut_triggers (GtkWidget *do_widget)
|
|
{
|
|
guint i;
|
|
|
|
if (!window)
|
|
{
|
|
GtkWidget *list;
|
|
GtkEventController *controller;
|
|
|
|
window = gtk_window_new ();
|
|
gtk_window_set_display (GTK_WINDOW (window),
|
|
gtk_widget_get_display (do_widget));
|
|
gtk_window_set_title (GTK_WINDOW (window), "Shortcuts");
|
|
gtk_window_set_default_size (GTK_WINDOW (window), 200, -1);
|
|
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
|
|
g_object_add_weak_pointer (G_OBJECT (window), (gpointer *)&window);
|
|
|
|
list = gtk_list_box_new ();
|
|
gtk_widget_set_margin_top (list, 6);
|
|
gtk_widget_set_margin_bottom (list, 6);
|
|
gtk_widget_set_margin_start (list, 6);
|
|
gtk_widget_set_margin_end (list, 6);
|
|
gtk_window_set_child (GTK_WINDOW (window), list);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (shortcuts); i++)
|
|
{
|
|
GtkShortcut *shortcut;
|
|
GtkWidget *row;
|
|
|
|
row = gtk_label_new (shortcuts[i].description);
|
|
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
|
|
|
|
controller = gtk_shortcut_controller_new ();
|
|
gtk_shortcut_controller_set_scope (GTK_SHORTCUT_CONTROLLER (controller), GTK_SHORTCUT_SCOPE_GLOBAL);
|
|
gtk_widget_add_controller (row, controller);
|
|
|
|
shortcut = gtk_shortcut_new (shortcuts[i].create_trigger_func(),
|
|
gtk_callback_action_new (shortcut_activated, row, NULL));
|
|
gtk_shortcut_controller_add_shortcut (GTK_SHORTCUT_CONTROLLER (controller), shortcut);
|
|
}
|
|
}
|
|
|
|
if (!gtk_widget_get_visible (window))
|
|
gtk_widget_set_visible (window, TRUE);
|
|
else
|
|
gtk_window_destroy (GTK_WINDOW (window));
|
|
|
|
return window;
|
|
}
|