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Don't assume a screen exists before realize()

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Fix for https://bugzilla.gnome.org/show_bug.cgi?id=641429
This commit is contained in:
Matthias Clasen 2011-02-04 22:01:40 -05:00
parent 2b2e607492
commit 4dc9b294d8
4 changed files with 18 additions and 15 deletions
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9
gtk/gtkstyle.c
View File

@ -813,13 +813,15 @@ gtk_style_copy (GtkStyle *style)
GtkStyle*
_gtk_style_new_for_path (GdkScreen *screen,
GtkWidgetPath *path)
GtkWidgetPath *path)
{
GtkStyleContext *context;
GtkStyle *style;
context = gtk_style_context_new ();
gtk_style_context_set_screen (context, screen);
if (screen)
gtk_style_context_set_screen (context, screen);
gtk_style_context_set_path (context, path);
style = g_object_new (GTK_TYPE_STYLE,
@ -848,8 +850,7 @@ gtk_style_new (void)
path = gtk_widget_path_new ();
gtk_widget_path_append_type (path, GTK_TYPE_WIDGET);
style = _gtk_style_new_for_path (gdk_screen_get_default (),
path);
style = _gtk_style_new_for_path (gdk_screen_get_default (), path);
gtk_widget_path_free (path);

2
gtk/gtkstylecontext.c
View File

@ -2617,7 +2617,7 @@ gtk_style_context_set_screen (GtkStyleContext *context,
GtkStyleContextPrivate *priv;
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
g_return_if_fail (GDK_IS_SCREEN (screen));
g_return_if_fail (screen == NULL || GDK_IS_SCREEN (screen));
priv = context->priv;
if (priv->screen == screen)

2
gtk/gtkwidget.c
View File

@ -14179,7 +14179,7 @@ gtk_widget_get_style_context (GtkWidget *widget)
G_CALLBACK (style_context_changed), widget);
gtk_style_context_set_screen (widget->priv->context,
gtk_widget_get_screen (widget));
gtk_widget_get_screen_unchecked (widget));
_gtk_widget_update_path (widget);
gtk_style_context_set_path (widget->priv->context,

20
gtk/gtkwindow.c
View File

@ -1108,8 +1108,9 @@ gtk_window_init (GtkWindow *window)
priv->has_user_ref_count = TRUE;
toplevel_list = g_slist_prepend (toplevel_list, window);
g_signal_connect (priv->screen, "composited-changed",
G_CALLBACK (gtk_window_on_composited_changed), window);
if (priv->screen)
g_signal_connect (priv->screen, "composited-changed",
G_CALLBACK (gtk_window_on_composited_changed), window);
}
static void
@ -7961,7 +7962,7 @@ gtk_window_set_screen (GtkWindow *window,
GtkWidget *widget;
GdkScreen *previous_screen;
gboolean was_mapped;
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (GDK_IS_SCREEN (screen));
@ -7979,17 +7980,18 @@ gtk_window_set_screen (GtkWindow *window,
gtk_widget_unmap (widget);
if (gtk_widget_get_realized (widget))
gtk_widget_unrealize (widget);
gtk_window_free_key_hash (window);
priv->screen = screen;
gtk_widget_reset_rc_styles (widget);
if (screen != previous_screen)
{
g_signal_handlers_disconnect_by_func (previous_screen,
gtk_window_on_composited_changed, window);
g_signal_connect (screen, "composited-changed",
G_CALLBACK (gtk_window_on_composited_changed), window);
if (previous_screen)
g_signal_handlers_disconnect_by_func (previous_screen,
gtk_window_on_composited_changed, window);
g_signal_connect (screen, "composited-changed",
G_CALLBACK (gtk_window_on_composited_changed), window);
_gtk_widget_propagate_screen_changed (widget, previous_screen);
_gtk_widget_propagate_composited_changed (widget);
}