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Add check against null pointer occurrence reported with Gmsh (Issue #434).

This commit is contained in:
ManoloFLTK 2022-05-05 10:21:50 +02:00
parent 7d5d2af547
commit e02ee7d5f1
1 changed files with 1 additions and 0 deletions
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src/Fl_cocoa.mm
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@ -2284,6 +2284,7 @@ static FLTextInputContext* fltextinputcontext_instance = nil;
FLWindow *cw = (FLWindow*)[self window];
Fl_Window *window = [cw getFl_Window];
if (!window) return; // may happen after closing full-screen window
if (!Fl_X::i(window)) return; // reported to happen with Gmsh (issue #434)
fl_lock_function();
Fl_Cocoa_Window_Driver *d = Fl_Cocoa_Window_Driver::driver(window);
if (!through_Fl_X_flush