X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=sidebyside;f=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fworkarea.cpp;h=dce50cdd1ba55a45cdb4dc88f2f4859fcf1590b4;hb=5442b08724a36e90837ca46f17660c8b3031beeb;hp=a6ca612562e375f1d5352e82381071907404f67d;hpb=65fb935293f8601f3042482dddc35a21eaa46d87;p=synfig.git

diff --git a/synfig-studio/trunk/src/gtkmm/workarea.cpp b/synfig-studio/trunk/src/gtkmm/workarea.cpp
index a6ca612..dce50cd 100644
--- a/synfig-studio/trunk/src/gtkmm/workarea.cpp
+++ b/synfig-studio/trunk/src/gtkmm/workarea.cpp
@@ -800,6 +800,15 @@ WorkArea::WorkArea(etl::loose_handle<synfigapp::CanvasInterface> canvas_interfac
 WorkArea::~WorkArea()
 {
 //	delete [] buffer;
+
+	// don't leave the render function queued if we are about to vanish;
+	// that causes crashes
+	if(render_idle_func_id)
+	{
+		synfig::info("g_source_remove() returns %d", g_source_remove(render_idle_func_id));
+		render_idle_func_id=0;
+	} else
+		synfig::info("no render_idle_func_id to clear\n");
 }
 
 void
@@ -2048,7 +2057,6 @@ WorkArea::refresh(GdkEventExpose*event)
 		}
 	}
 
-
 	// Calculate the window coordinates of the top-left
 	// corner of the canvas.
 	//const synfig::Vector::value_type
@@ -2062,11 +2070,10 @@ WorkArea::refresh(GdkEventExpose*event)
 
 	Glib::RefPtr<Gdk::GC> gc=Gdk::GC::create(drawing_area->get_window());
 
-
-
 	// If we are in animate mode, draw a red border around the screen
 	if(canvas_interface->get_mode()&synfigapp::MODE_ANIMATE)
 	{
+// #define USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
 #ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
 		// This method of drawing the red border doesn't work on any
 		// Gtk theme which uses the crux-engine, hcengine, industrial,
@@ -2084,10 +2091,10 @@ WorkArea::refresh(GdkEventExpose*event)
 			drawing_area->get_width()-1,drawing_area->get_height()-1); // w,h
 #endif
 	}
+#ifdef USE_FRAME_BACKGROUND_TO_SHOW_EDIT_MODE
 	else
 		drawing_frame->unset_bg(Gtk::STATE_NORMAL);
-
-
+#endif
 
 	previous_focus=get_focus_point();
 
@@ -2499,9 +2506,11 @@ studio::WorkArea::zoom_norm()
 gboolean
 studio::WorkArea::__render_preview(gpointer data)
 {
-
 	WorkArea *work_area(static_cast<WorkArea*>(data));
 
+	// there's no point anyone trying to cancel the timer now - it's gone off already
+	work_area->render_idle_func_id = 0;
+
 	work_area->queued=false;
 	work_area->async_render_preview(work_area->get_canvas_view()->get_time());