Tk Source Code

    _tkNeedsDisplay = NO;
    _tkDirtyRect = NSZeroRect;
}

-(void) setFrameSize: (NSSize)newsize
{
    [super setFrameSize: newsize];
    [self resetTkLayerBitmapContext];
    NSWindow *w = [self window];
    TkWindow *winPtr = TkMacOSXGetTkWindow(w);
    Tk_Window tkwin = (Tk_Window)winPtr;

    if (winPtr) {
	unsigned int width = (unsigned int)newsize.width;
	unsigned int height=(unsigned int)newsize.height;
	void *oldArg;
    	Tk_RestrictProc *oldProc;

	/*
	 * This can be called from outside the Tk event loop.  Since it calls
	 * Tcl_DoOneEvent, we need to make sure we don't clobber the
	 * AutoreleasePool set up by the caller.
	 */

	[NSApp _lockAutoreleasePool];

	/*
	 * Disable Tk drawing until the window has been completely configured.
	 */

	//TkMacOSXSetDrawingEnabled(winPtr, 0);

	 /*
	  * Generate and handle a ConfigureNotify event for the new size.
	  */

	TkGenWMConfigureEvent(tkwin, Tk_X(tkwin), Tk_Y(tkwin), width, height,
		TK_SIZE_CHANGED | TK_MACOSX_HANDLE_EVENT_IMMEDIATELY);
    	oldProc = Tk_RestrictEvents(ConfigureRestrictProc, NULL, &oldArg);
	while (Tcl_DoOneEvent(TCL_WINDOW_EVENTS|TCL_DONT_WAIT)) {}
    	Tk_RestrictEvents(oldProc, oldArg, &oldArg);






	if ([w respondsToSelector: @selector (tkLayoutChanged)]) {
	    [(TKWindow *)w tkLayoutChanged];
	}

	/*
	 * Reset the cgimage layer and redraw the entire content view.
	 */

	/*
	 * Finally, unlock the main autoreleasePool.
	 */

	[NSApp _unlockAutoreleasePool];

    }


    // Schedule a redisplay of the view


    [self setNeedsDisplay:YES];

}

/*
 * Core method of this class: generates expose events for redrawing.  The
 * expose events are immediately removed from the Tcl event loop and processed.