Make sure not to change the fullscreen bit in the styleMask. (Thanks …

…Francois!)
tcltk · Apr 2, 2023 · 99b8dce · 99b8dce
1 parent 9a9b6ac
commit 99b8dce
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/macosx/tkMacOSXWm.c b/macosx/tkMacOSXWm.c
@@ -1753,6 +1753,10 @@ WmSetAttribute(
 		} else {
 		    styleMaskValue |= styleMaskBits[index].bitvalue;
 		}
+		/*
+		 * Be sure not to change the fullscreen bit.
+		 */
+		styleMaskValue |= (NSWindowStyleMaskFullScreen & macWindow.styleMask);
 	    }
 	    /*
 	     * A resizable docmodal NSWindow or NSPanel does not work