/**
* go_combo_popup_tear_off
* @combo: Combo box
* @set_position: Set to position of popup shell if true
*
* Tear off the popup
*
* FIXME:
* Gtk popup menus are toplevel windows, not dialogs. I think this is wrong,
* and make the popups dialogs. But may be there should be a way to make
* them toplevel. We can do this after creating:
* GTK_WINDOW (tearoff)->type = GTK_WINDOW_TOPLEVEL;
*/
static void
go_combo_popup_tear_off (GOComboBox *combo, gboolean set_position)
{
int x, y;
if (!combo->priv->tearoff_window) {
GtkWidget *tearoff;
gchar const *title;
/* FIXME: made this a toplevel, not a dialog ! */
tearoff = gtk_window_new (GTK_WINDOW_TOPLEVEL);
#if GLIB_CHECK_VERSION(2,10,0) && GTK_CHECK_VERSION(2,8,14)
g_object_ref_sink (tearoff);
#else
g_object_ref (tearoff);
gtk_object_sink (GTK_OBJECT (tearoff));
#endif
combo->priv->tearoff_window = tearoff;
gtk_widget_set_app_paintable (tearoff, TRUE);
g_signal_connect (tearoff, "key_press_event",
G_CALLBACK (cb_combo_keypress),
combo);
gtk_widget_realize (tearoff);
title = go_combo_box_get_title (combo);
if (title)
gdk_window_set_title (tearoff->window, title);
g_object_set (G_OBJECT (tearoff),
"allow-shrink", FALSE,
"allow-grow", TRUE,
NULL);
gtk_window_set_transient_for
(GTK_WINDOW (tearoff),
GTK_WINDOW (gtk_widget_get_toplevel
GTK_WIDGET (combo)));
}
if (GTK_WIDGET_VISIBLE (combo->priv->popup)) {
gtk_widget_hide (combo->priv->toplevel);
gtk_grab_remove (combo->priv->toplevel);
gdk_display_pointer_ungrab (gtk_widget_get_display (combo->priv->toplevel),
GDK_CURRENT_TIME);
}
go_combo_popup_reparent (combo->priv->popup,
combo->priv->tearoff_window, FALSE);
/* It may have got confused about size */
gtk_widget_queue_resize (GTK_WIDGET (combo->priv->popup));
if (set_position) {
go_combo_box_get_pos (combo, &x, &y);
gtk_window_move (GTK_WINDOW (combo->priv->tearoff_window), x, y);
}
gtk_widget_show (GTK_WIDGET (combo->priv->popup));
gtk_widget_show (combo->priv->tearoff_window);
}
/**
* go_combo_popup_tear_off
* @combo: Combo box
* @set_position: Set to position of popup shell if true
*
* Tear off the popup
*
* FIXME:
* Gtk popup menus are toplevel windows, not dialogs. I think this is wrong,
* and make the popups dialogs. But may be there should be a way to make
* them toplevel. We can do this after creating:
* GTK_WINDOW (tearoff)->type = GTK_WINDOW_TOPLEVEL;
*/
static void
go_combo_popup_tear_off (GOComboBox *combo, gboolean set_position)
{
int x, y;
if (!combo->priv->tearoff_window) {
GtkWidget *tearoff;
gchar const *title;
/* FIXME: made this a toplevel, not a dialog ! */
tearoff = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_object_ref_sink (tearoff);
combo->priv->tearoff_window = tearoff;
gtk_widget_set_app_paintable (tearoff, TRUE);
g_signal_connect (tearoff, "key_press_event",
G_CALLBACK (cb_combo_keypress),
combo);
gtk_widget_realize (tearoff);
title = go_combo_box_get_title (combo);
if (title)
gdk_window_set_title (gtk_widget_get_window (tearoff), title);
gtk_window_set_transient_for
(GTK_WINDOW (tearoff),
GTK_WINDOW (gtk_widget_get_toplevel
GTK_WIDGET (combo)));
}
if (gtk_widget_get_visible (combo->priv->popup)) {
gtk_widget_hide (combo->priv->toplevel);
gtk_grab_remove (combo->priv->toplevel);
gdk_device_ungrab (gtk_get_current_event_device (),
GDK_CURRENT_TIME);
}
go_combo_popup_reparent (combo->priv->popup,
combo->priv->tearoff_window, FALSE);
/* It may have got confused about size */
gtk_widget_queue_resize (GTK_WIDGET (combo->priv->popup));
if (set_position) {
go_combo_box_get_pos (combo, &x, &y);
gtk_window_move (GTK_WINDOW (combo->priv->tearoff_window), x, y);
}
gtk_widget_show (GTK_WIDGET (combo->priv->popup));
gtk_widget_show (combo->priv->tearoff_window);
}
/* protected */ void
go_combo_box_popup_display (GOComboBox *combo_box)
{
int x, y;
g_return_if_fail (GO_COMBO_BOX (combo_box) != NULL);
g_return_if_fail (combo_box->priv->popdown_container != NULL);
if (combo_box->priv->torn_off) {
/* To give the illusion that tearoff still displays the
* popup, we copy the image in the popup window to the
* background. Thus, it won't be blank after reparenting */
go_combo_tearoff_bg_copy (combo_box);
/* We force an unrealize here so that we don't trigger
* redrawing/ clearing code - we just want to reveal our
* backing pixmap.
*/
go_combo_popup_reparent (combo_box->priv->popup,
combo_box->priv->toplevel, TRUE);
}
go_combo_box_get_pos (combo_box, &x, &y);
gtk_window_move (GTK_WINDOW (combo_box->priv->toplevel), x, y);
gtk_widget_realize (combo_box->priv->popup);
gtk_widget_show (combo_box->priv->popup);
gtk_widget_realize (combo_box->priv->toplevel);
gtk_widget_show (combo_box->priv->toplevel);
gtk_widget_grab_focus (combo_box->priv->toplevel);
do_focus_change (combo_box->priv->toplevel, TRUE);
gtk_grab_add (combo_box->priv->toplevel);
gdk_device_grab (gtk_get_current_event_device (),
gtk_widget_get_window (combo_box->priv->toplevel),
GDK_OWNERSHIP_APPLICATION, TRUE,
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK,
NULL, GDK_CURRENT_TIME);
set_arrow_state (combo_box, TRUE);
}
/**
* go_combo_set_tearoff_state
* @combo_box: Combo box
* @torn_off: TRUE: Tear off. FALSE: Pop down and reattach
*
* Set the tearoff state of the popup
*
* Compare with gtk_menu_set_tearoff_state in gtk/gtkmenu.c
*/
static void
go_combo_set_tearoff_state (GOComboBox *combo,
gboolean torn_off)
{
g_return_if_fail (combo != NULL);
g_return_if_fail (IS_GO_COMBO_BOX (combo));
if (combo->priv->torn_off != torn_off) {
combo->priv->torn_off = torn_off;
if (combo->priv->torn_off) {
go_combo_popup_tear_off (combo, TRUE);
set_arrow_state (combo, FALSE);
} else {
gtk_widget_hide (combo->priv->tearoff_window);
go_combo_popup_reparent (combo->priv->popup,
combo->priv->toplevel,
FALSE);
}
}
}
