[vte] Add some debug output to VteBg

[Christian Persch <chpe src gnome org>]

commit 17a7de4fb76205f92d6f9af7af9ba6e127eeb3b4
Author: Christian Persch <chpe gnome org>
Date:   Sun Apr 11 20:51:56 2010 +0200

    Add some debug output to VteBg

 src/debug.c |    3 ++-
 src/debug.h |    3 ++-
 src/vtebg.c |   21 ++++++++++++---------
 3 files changed, 16 insertions(+), 11 deletions(-)
---
diff --git a/src/debug.c b/src/debug.c
index 2810087..54997b9 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -49,7 +49,8 @@ _vte_debug_init(void)
     { "draw",         VTE_DEBUG_DRAW         },
     { "ally",         VTE_DEBUG_ALLY         },
     { "pangocairo",   VTE_DEBUG_PANGOCAIRO   },
-    { "widget-size",  VTE_DEBUG_WIDGET_SIZE  }
+    { "widget-size",  VTE_DEBUG_WIDGET_SIZE  },
+    { "bg",           VTE_DEBUG_BG           }
   };
 
   _vte_debug_flags = g_parse_debug_string (g_getenv("VTE_DEBUG"),
diff --git a/src/debug.h b/src/debug.h
index 77f8dce..eee72cb 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -49,7 +49,8 @@ typedef enum {
 	VTE_DEBUG_ALLY		= 1 << 18,
 	VTE_DEBUG_ADJ		= 1 << 19,
 	VTE_DEBUG_PANGOCAIRO    = 1 << 20,
-	VTE_DEBUG_WIDGET_SIZE   = 1 << 21
+	VTE_DEBUG_WIDGET_SIZE   = 1 << 21,
+        VTE_DEBUG_BG            = 1 << 22
 } VteDebugFlags;
 
 void _vte_debug_init(void);
diff --git a/src/vtebg.c b/src/vtebg.c
index deb4e55..e68883f 100644
--- a/src/vtebg.c
+++ b/src/vtebg.c
@@ -123,8 +123,8 @@ vte_bg_root_surface(VteBg *bg)
 					     DefaultVisualOfScreen(screen),
 					     width, height);
 
-        _vte_debug_print(VTE_DEBUG_MISC|VTE_DEBUG_EVENTS,
-                         "New root background image %dx%d\n", width, height);
+        _vte_debug_print(VTE_DEBUG_BG|VTE_DEBUG_EVENTS,
+                         "VteBg new background image %dx%d\n", width, height);
 
  out_pixmaps:
 	g_free(pixmaps);
@@ -177,14 +177,11 @@ vte_bg_root_filter(GdkXEvent *native, GdkEvent *event, gpointer data)
 static void
 vte_bg_finalize (GObject *obj)
 {
-	VteBg *bg;
-
-	bg = VTE_BG (obj);
+	VteBg *bg = VTE_BG (obj);
+        VteBgPrivate *pvt = bg->pvt;
 
-	if (bg->pvt->cache) {
-		g_list_foreach (bg->pvt->cache, (GFunc)vte_bg_cache_item_free, NULL);
-		g_list_free (bg->pvt->cache);
-	}
+        g_list_foreach (pvt->cache, (GFunc)vte_bg_cache_item_free, NULL);
+        g_list_free (pvt->cache);
 
 	G_OBJECT_CLASS(vte_bg_parent_class)->finalize (obj);
 }
@@ -271,6 +268,9 @@ vte_bg_colors_equal(const PangoColor *a, const PangoColor *b)
 static void
 vte_bg_cache_item_free(VteBgCacheItem *item)
 {
+        _vte_debug_print(VTE_DEBUG_BG,
+                         "VteBgCacheItem %p freed\n", item);
+
 	/* Clean up whatever is left in the structure. */
 	if (item->source_pixbuf != NULL) {
 		g_object_remove_weak_pointer(G_OBJECT(item->source_pixbuf),
@@ -313,6 +313,9 @@ static void item_surface_destroy_func(void *data)
 {
 	VteBgCacheItem *item = data;
 
+        _vte_debug_print(VTE_DEBUG_BG,
+                         "VteBgCacheItem %p surface destroyed\n", item);
+
 	item->surface = NULL;
 }