From a39a6c00b097c411f84488cdd0d4f82a4083b139 Mon Sep 17 00:00:00 2001
From: "Jon A. Cruz" <jon@joncruz.org>
Date: Mon, 6 Dec 2010 00:21:18 -0800
Subject: [PATCH] Stop background rendering once crash handler is triggered.

---
 src/inkscape.cpp     |  9 +++++++++
 src/inkscape.h       |  2 ++
 src/widgets/icon.cpp | 11 +++++++----
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/inkscape.cpp b/src/inkscape.cpp
index 8b31ba267..e4edb9d10 100644
--- a/src/inkscape.cpp
+++ b/src/inkscape.cpp
@@ -553,6 +553,13 @@ inkscape_deactivate_desktop_private (Inkscape::Application */*inkscape*/, SPDesk
 #define SP_INDENT 8
 
 
+static bool crashIsHappening = false;
+
+bool inkscapeIsCrashing()
+{
+    return crashIsHappening;
+}
+
 static void
 inkscape_crash_handler (int /*signum*/)
 {
@@ -580,6 +587,8 @@ inkscape_crash_handler (int /*signum*/)
     }
     recursion = TRUE;
 
+    crashIsHappening = true;
+
     EventTracker<SimpleEvent<Inkscape::Debug::Event::CORE> > tracker("crash");
     tracker.set<SimpleEvent<> >("emergency-save");
 
diff --git a/src/inkscape.h b/src/inkscape.h
index d9de54782..64cee1560 100644
--- a/src/inkscape.h
+++ b/src/inkscape.h
@@ -43,6 +43,8 @@ Inkscape::XML::Node *inkscape_get_menus (Inkscape::Application * inkscape);
 Inkscape::Application *inkscape_get_instance();
 gboolean inkscape_use_gui();
 
+bool inkscapeIsCrashing();
+
 SPDesktop * inkscape_find_desktop_by_dkey (unsigned int dkey);
 
 #define SP_ACTIVE_EVENTCONTEXT inkscape_active_event_context ()
diff --git a/src/widgets/icon.cpp b/src/widgets/icon.cpp
index f9d01113e..c25e6aac2 100644
--- a/src/widgets/icon.cpp
+++ b/src/widgets/icon.cpp
@@ -219,7 +219,7 @@ void sp_icon_fetch_pixbuf( SPIcon *icon )
     }
 }
 
-static GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize ) {
+GdkPixbuf* renderup( gchar const* name, Inkscape::IconSize lsize, unsigned psize ) {
     GtkIconTheme *theme = gtk_icon_theme_get_default();
 
     GdkPixbuf *pb = 0;
@@ -1184,7 +1184,8 @@ void Inkscape::queueIconPrerender( Glib::ustring const &name, Inkscape::IconSize
 {
     GtkStockItem stock;
     gboolean stockFound = gtk_stock_lookup( name.c_str(), &stock );
-    if (!stockFound && !gtk_icon_theme_has_icon(gtk_icon_theme_get_default(), name.c_str()) ) {
+    gboolean themedFound = gtk_icon_theme_has_icon(gtk_icon_theme_get_default(), name.c_str());
+    if (!stockFound && !themedFound ) {
         gint trySize = CLAMP( static_cast<gint>(lsize), 0, static_cast<gint>(G_N_ELEMENTS(iconSizeLookup) - 1) );
         if ( !sizeMapDone ) {
             injectCustomSize();
@@ -1349,7 +1350,9 @@ static void addPreRender( GtkIconSize lsize, gchar const *name )
 }
 
 gboolean icon_prerender_task(gpointer /*data*/) {
-    if (!pendingRenders.empty()) {
+    if ( inkscapeIsCrashing() ) {
+        // stop
+    } else if (!pendingRenders.empty()) {
         bool workDone = false;
         do {
             preRenderItem single = pendingRenders.front();
@@ -1359,7 +1362,7 @@ gboolean icon_prerender_task(gpointer /*data*/) {
         } while (!pendingRenders.empty() && !workDone);
     }
 
-    if (!pendingRenders.empty()) {
+    if (!inkscapeIsCrashing() && !pendingRenders.empty()) {
         return TRUE;
     } else {
         callbackHooked = false;
-- 
2.30.2