check for null spitem (fix for #1122875, patch by inkblotter)

diff --git a/src/svg-view.cpp b/src/svg-view.cpp
index 6d408e79c62cc533e7e470a139b91ddddc863203..5da24df98b18a69f6c2c75a39c38758a67be4396 100644 (file)
--- a/src/svg-view.cpp
+++ b/src/svg-view.cpp
@@ -135,7 +135,7 @@ arena_handler (SPCanvasArena *arena, NRArenaItem *ai, GdkEvent *event, SPSVGView
        static gboolean active = FALSE;
        SPEvent spev;
 
-       SPItem *spitem = (ai) ? (SPItem*)NR_ARENA_ITEM_GET_DATA (ai) : NULL;
+       SPItem *spitem = (ai) ? (SPItem*)NR_ARENA_ITEM_GET_DATA (ai) : 0;
 
        switch (event->type) {
        case GDK_BUTTON_PRESS:
@@ -147,10 +147,14 @@ arena_handler (SPCanvasArena *arena, NRArenaItem *ai, GdkEvent *event, SPSVGView
                break;
        case GDK_BUTTON_RELEASE:
                if (event->button.button == 1) {
-                       if (active && (event->button.x == x) && (event->button.y == y)) {
+                       if (active && (event->button.x == x) && 
+                                      (event->button.y == y)) {
                                spev.type = SP_EVENT_ACTIVATE;
-                               sp_item_event (spitem, &spev);
-                       }
+                                if ( spitem != 0 )
+                               {
+                                 sp_item_event (spitem, &spev);
+                                }
+                       }
                }
                active = FALSE;
                break;
@@ -160,12 +164,18 @@ arena_handler (SPCanvasArena *arena, NRArenaItem *ai, GdkEvent *event, SPSVGView
        case GDK_ENTER_NOTIFY:
                spev.type = SP_EVENT_MOUSEOVER;
                spev.data = svgview;
-               sp_item_event (spitem, &spev);
+                if ( spitem != 0 )
+               {
+                 sp_item_event (spitem, &spev);
+                }
                break;
        case GDK_LEAVE_NOTIFY:
                spev.type = SP_EVENT_MOUSEOUT;
                spev.data = svgview;
-               sp_item_event (spitem, &spev);
+                if ( spitem != 0 )
+               {
+                 sp_item_event (spitem, &spev);
+                }
                break;
        default:
                break;