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surface: Track all draw contexts created for the surface

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This commit is contained in:
Benjamin Otte 2018-04-09 00:25:03 +02:00
parent e8fef1147f
commit 7ed0c85c61
2 changed files with 7 additions and 1 deletions
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5
gdk/gdkdrawcontext.c
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@ -73,7 +73,11 @@ gdk_draw_context_dispose (GObject *gobject)
GdkDrawContext *context = GDK_DRAW_CONTEXT (gobject);
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
if (priv->surface)
{
priv->surface->draw_contexts = g_slist_remove (priv->surface->draw_contexts, context);
g_clear_object (&priv->surface);
}
G_OBJECT_CLASS (gdk_draw_context_parent_class)->dispose (gobject);
}
@ -92,6 +96,7 @@ gdk_draw_context_set_property (GObject *gobject,
case PROP_SURFACE:
priv->surface = g_value_dup_object (value);
g_assert (priv->surface != NULL);
priv->surface->draw_contexts = g_slist_prepend (priv->surface->draw_contexts, context);
break;
default:

1
gdk/gdkinternals.h
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@ -223,6 +223,7 @@ struct _GdkSurface
GdkFrameClock *frame_clock; /* NULL to use from parent or default */
GSList *draw_contexts;
GdkDrawingContext *drawing_context;
cairo_region_t *opaque_region;