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Re: [bug report]problem about processing WM_PAINT message [message #29789 is a reply to message #29734]

Wed, 17 November 2010 10:55

mirek
Messages: 14267
Registered: November 2005

Ultimate Member

Interesting. I have not encountered a problem there during all these years with U++, but I guess there is no reason not to fix this.

Does this:

	case WM_PAINT:
		ASSERT(hwnd);
		if(hwnd) {
			PAINTSTRUCT ps;
			if(IsVisible())
				SyncScroll();
			HDC dc = BeginPaint(hwnd, &ps);
			fullrefresh = false;
			if(IsVisible()) {
				SystemDraw draw(dc);
	#ifndef PLATFORM_WINCE
				HPALETTE hOldPal;
				if(draw.PaletteMode() && SystemDraw::AutoPalette()) {
					hOldPal = SelectPalette(dc, GetQlibPalette(), TRUE);
					int n = RealizePalette(dc);
					LLOG("In paint realized " << n << " colors");
				}
	#endif
				painting = true;
				UpdateArea(draw, Rect(ps.rcPaint));
				painting = false;
	#ifndef PLATFORM_WINCE
				if(draw.PaletteMode() && SystemDraw::AutoPalette())
					SelectPalette(dc, hOldPal, TRUE);
	#endif
			}
			EndPaint(hwnd, &ps);
		}
		return 0L;

seem like appropriate fix?

Mirek

[Updated on: Wed, 17 November 2010 10:57]

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