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Move "widget/window under device" accounting to be per-widget

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This management is better done per-widget rather than per-screen,
as windows being destroyed won't trigger a leave notify for the
devices on top of it, and this information is too transitive
to keep weak refs and such.

This fixes the critical warning seen in gtk/tests/testing.
This commit is contained in:
Carlos Garnacho
2011-01-29 14:10:36 +01:00
parent 55713025c0
commit 8a056d4774
1 changed files with 21 additions and 44 deletions
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65
gtk/gtkwidget.c
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@ -4202,6 +4202,9 @@ gtk_widget_unmap (GtkWidget *widget)
if (priv->context)
gtk_style_context_cancel_animations (priv->context, NULL);
/* Unset pointer/window info */
g_object_set_qdata (G_OBJECT (widget), quark_pointer_window, NULL);
}
}
@ -10833,7 +10836,6 @@ _gtk_widget_peek_request_cache (GtkWidget *widget)
* @window: the new device window.
*
* Sets pointer window for @widget and @device. Does not ref @window.
* Actually stores it on the #GdkScreen, but you don't need to know that.
*/
void
_gtk_widget_set_device_window (GtkWidget *widget,
@ -10841,7 +10843,6 @@ _gtk_widget_set_device_window (GtkWidget *widget,
GdkWindow *window)
{
GtkWidgetPrivate *priv;
GdkScreen *screen;
GHashTable *device_window;
g_return_if_fail (GTK_IS_WIDGET (widget));
@ -10850,16 +10851,15 @@ _gtk_widget_set_device_window (GtkWidget *widget,
priv = widget->priv;
if (!gtk_widget_get_realized (widget))
if (!gtk_widget_get_mapped (widget))
return;
screen = gdk_window_get_screen (priv->window);
device_window = g_object_get_qdata (G_OBJECT (screen), quark_pointer_window);
device_window = g_object_get_qdata (G_OBJECT (widget), quark_pointer_window);
if (G_UNLIKELY (!device_window))
if (!device_window && window)
{
device_window = g_hash_table_new (NULL, NULL);
g_object_set_qdata_full (G_OBJECT (screen),
g_object_set_qdata_full (G_OBJECT (widget),
quark_pointer_window,
device_window,
(GDestroyNotify) g_hash_table_destroy);
@ -10867,8 +10867,13 @@ _gtk_widget_set_device_window (GtkWidget *widget,
if (window)
g_hash_table_insert (device_window, device, window);
else
g_hash_table_remove (device_window, device);
else if (device_window)
{
g_hash_table_remove (device_window, device);
if (g_hash_table_size (device_window) == 0)
g_object_set_qdata (G_OBJECT (widget), quark_pointer_window, NULL);
}
}
/*
@ -10884,36 +10889,22 @@ _gtk_widget_get_device_window (GtkWidget *widget,
GdkDevice *device)
{
GtkWidgetPrivate *priv;
GdkScreen *screen;
GHashTable *device_window;
GdkWindow *window;
GtkWidget *w;
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (GDK_IS_DEVICE (device), NULL);
priv = widget->priv;
if (!gtk_widget_get_realized (widget))
if (!gtk_widget_get_mapped (widget))
return NULL;
screen = gdk_window_get_screen (priv->window);
device_window = g_object_get_qdata (G_OBJECT (screen), quark_pointer_window);
device_window = g_object_get_qdata (G_OBJECT (widget), quark_pointer_window);
if (G_UNLIKELY (!device_window))
if (!device_window)
return NULL;
window = g_hash_table_lookup (device_window, device);
if (!window)
return NULL;
gdk_window_get_user_data (window, (gpointer *) &w);
if (widget != w)
return NULL;
return window;
return g_hash_table_lookup (device_window, device);
}
/*
@ -10928,7 +10919,6 @@ GList *
_gtk_widget_list_devices (GtkWidget *widget)
{
GtkWidgetPrivate *priv;
GdkScreen *screen;
GHashTableIter iter;
GHashTable *device_window;
GList *devices = NULL;
@ -10938,11 +10928,10 @@ _gtk_widget_list_devices (GtkWidget *widget)
priv = widget->priv;
if (!gtk_widget_get_realized (widget))
if (!gtk_widget_get_mapped (widget))
return NULL;
screen = gdk_window_get_screen (priv->window);
device_window = g_object_get_qdata (G_OBJECT (screen), quark_pointer_window);
device_window = g_object_get_qdata (G_OBJECT (widget), quark_pointer_window);
if (G_UNLIKELY (!device_window))
return NULL;
@ -10950,19 +10939,7 @@ _gtk_widget_list_devices (GtkWidget *widget)
g_hash_table_iter_init (&iter, device_window);
while (g_hash_table_iter_next (&iter, &key, &value))
{
GdkDevice *device = key;
GdkWindow *window = value;
GtkWidget *w;
if (window)
{
gdk_window_get_user_data (window, (gpointer *) &w);
if (widget == w)
devices = g_list_prepend (devices, device);
}
}
devices = g_list_prepend (devices, key);
return devices;
}