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Don't do explicitly ungrab pointer and keyboard. We're unmapping the grab

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2005-06-26  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtkcombobox.c (gtk_combo_box_popdown): Don't do
	explicitly ungrab pointer and keyboard. We're unmapping
	the grab window anyway.
	(gtk_combo_box_popup): Handle grab failures.
This commit is contained in:
Matthias Clasen
2005-06-26 06:26:47 +00:00
committed by Matthias Clasen
parent 96cf099c47
commit d45263d5fa
4 changed files with 53 additions and 23 deletions
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55
gtk/gtkcombobox.c
View File

@ -318,8 +318,6 @@ static void gtk_combo_box_list_position (GtkComboBox *combo_box,
static void gtk_combo_box_list_setup (GtkComboBox *combo_box);
static void gtk_combo_box_list_destroy (GtkComboBox *combo_box);
static void gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box);
static gboolean gtk_combo_box_list_button_released (GtkWidget *widget,
GdkEventButton *event,
gpointer data);
@ -1574,6 +1572,31 @@ gtk_combo_box_menu_popup (GtkComboBox *combo_box,
button, activate_time);
}
static gboolean
popup_grab_on_window (GdkWindow *window,
guint32 activate_time,
gboolean grab_keyboard)
{
if ((gdk_pointer_grab (window, TRUE,
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK,
NULL, NULL, activate_time) == 0))
{
if (!grab_keyboard ||
gdk_keyboard_grab (window, TRUE,
activate_time) == 0)
return TRUE;
else
{
gdk_display_pointer_ungrab (gdk_drawable_get_display (window),
activate_time);
return FALSE;
}
}
return FALSE;
}
/**
* gtk_combo_box_popup:
* @combo_box: a #GtkComboBox
@ -1640,18 +1663,16 @@ gtk_combo_box_popup (GtkComboBox *combo_box)
TRUE);
if (!GTK_WIDGET_HAS_FOCUS (combo_box->priv->tree_view))
gtk_widget_grab_focus (combo_box->priv->tree_view);
if (!popup_grab_on_window (combo_box->priv->popup_window->window,
GDK_CURRENT_TIME, TRUE))
{
gdk_keyboard_grab (combo_box->priv->popup_window->window,
FALSE, GDK_CURRENT_TIME);
gtk_widget_grab_focus (combo_box->priv->tree_view);
gtk_widget_hide (combo_box->priv->popup_window);
return;
}
gtk_grab_add (combo_box->priv->popup_window);
gdk_pointer_grab (combo_box->priv->popup_window->window, TRUE,
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK,
NULL, NULL, GDK_CURRENT_TIME);
}
/**
@ -1679,8 +1700,7 @@ gtk_combo_box_popdown (GtkComboBox *combo_box)
if (!GTK_WIDGET_REALIZED (GTK_WIDGET (combo_box)))
return;
gtk_combo_box_list_remove_grabs (combo_box);
gtk_grab_remove (combo_box->priv->popup_window);
gtk_widget_hide_all (combo_box->priv->popup_window);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (combo_box->priv->button),
FALSE);
@ -3338,17 +3358,6 @@ gtk_combo_box_list_destroy (GtkComboBox *combo_box)
}
/* callbacks */
static void
gtk_combo_box_list_remove_grabs (GtkComboBox *combo_box)
{
if (combo_box->priv->popup_window &&
GTK_WIDGET_HAS_GRAB (combo_box->priv->popup_window))
{
gtk_grab_remove (combo_box->priv->popup_window);
gdk_keyboard_ungrab (GDK_CURRENT_TIME);
gdk_pointer_ungrab (GDK_CURRENT_TIME);
}
}
static gboolean
gtk_combo_box_list_button_pressed (GtkWidget *widget,