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Guard against using invalid data. 

svn path=/trunk/netsurf/; revision=3099
This commit is contained in:
Richard Wilson 2006-12-03 18:17:56 +00:00
parent 4d14d54720
commit d18f49f004
1 changed files with 7 additions and 1 deletions
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8
riscos/gui.c
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@ -1084,8 +1084,11 @@ void ro_gui_pointer_leaving_window(wimp_leaving *leaving)
break;
default:
if (gui_track_gui_window)
gui_window_set_pointer(gui_track_gui_window, GUI_POINTER_DEFAULT);
gui_track_wimp_w = 0;
gui_track_gui_window = NULL;
gui_track = false;
gui_window_set_pointer(gui_track_gui_window, GUI_POINTER_DEFAULT);
break;
}
}
@ -1157,10 +1160,12 @@ void ro_gui_drag_end(wimp_dragged *drag)
{
switch (gui_current_drag_type) {
case GUI_DRAG_SELECTION:
assert(gui_track_gui_window);
ro_gui_selection_drag_end(gui_track_gui_window, drag);
break;
case GUI_DRAG_SCROLL:
assert(gui_track_gui_window);
ro_gui_window_scroll_end(gui_track_gui_window, drag);
break;
@ -1188,6 +1193,7 @@ void ro_gui_drag_end(wimp_dragged *drag)
break;
case GUI_DRAG_FRAME:
assert(gui_track_gui_window);
ro_gui_window_frame_resize_end(gui_track_gui_window, drag);
break;