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stylecontext: Disallow adding/removing GtkSettings style providers

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Adding "system" providers like the GtkSettings object shouldn't be
allowed at all, so ensure that it indeed is not.
This commit is contained in:
Benjamin Otte 2012-05-02 06:28:57 +02:00
parent 01b75f19a6
commit 0743cef50d
1 changed files with 3 additions and 0 deletions
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3
gtk/gtkstylecontext.c
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@ -43,6 +43,7 @@
#include "gtkstylecascadeprivate.h"
#include "gtkstyleproviderprivate.h"
#include "gtksettings.h"
#include "gtksettingsprivate.h"
/**
* SECTION:gtkstylecontext
@ -1237,6 +1238,7 @@ gtk_style_context_add_provider_for_screen (GdkScreen *screen,
g_return_if_fail (GDK_IS_SCREEN (screen));
g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
g_return_if_fail (!GTK_IS_SETTINGS (provider) || _gtk_settings_get_screen (GTK_SETTINGS (provider)) == screen);
cascade = _gtk_style_cascade_get_for_screen (screen);
_gtk_style_cascade_add_provider (cascade, provider, priority);
@ -1259,6 +1261,7 @@ gtk_style_context_remove_provider_for_screen (GdkScreen *screen,
g_return_if_fail (GDK_IS_SCREEN (screen));
g_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
g_return_if_fail (!GTK_IS_SETTINGS (provider));
cascade = _gtk_style_cascade_get_for_screen (screen);
_gtk_style_cascade_remove_provider (cascade, provider);