/* Invalidate, using window coordinates */
static void WM_InvalidateBWin1(WM_HWIN hWin, const GUI_RECT*pRect) {
GUI_RECT r;
WM_Obj* pWin = WM_H2P(hWin);
WM__GetClientRectWin(pWin, &r);
if (pRect)
GUI__IntersectRect(&r, pRect);
if (WM__RectIsNZ(&r)) {
if (pWin->Status & WM_SF_INVALID) {
GUI_MergeRect(&pWin->InvalidRect, &pWin->InvalidRect, &r);
} else {
pWin->InvalidRect = r;
pWin->Status |= WM_SF_INVALID;
WM__NumInvalidWindows++;
/* Debug code: shows invalid areas */
#if (WM_SHOW_INVALID)
{
GUI_CONTEXT Context = GUI_Context;
WM_SelectWindow(hWin);
GUI_SetBkColor(GUI_GREEN);
GUI_ClearRect(r.x0, r.y0, r.x1, r.y1);
GUI_Context = Context;
}
#endif
}
}
}
/*********************************************************************
*
* WM_ValidateRect
*
Use this function with great care ! It should under most circumstances not
be necessary to use it, as validation is done automatically as soon as
a window has been redrawn. If you validate a section of a window, this
part will not be included in the paint-command and could therefor not
be updated.
*/
void WM_ValidateRect(WM_HWIN hWin, const GUI_RECT*pRect) {
WM_Obj* pWin;
if (hWin) {
WM_LOCK();
pWin = WM_HANDLE2PTR(hWin);
if (pWin->Status & WM_SF_INVALID) {
if (pRect) {
_SubRect(&pWin->InvalidRect, &pWin->InvalidRect, pRect);
if (WM__RectIsNZ(&pWin->InvalidRect))
goto Done;
}
pWin->Status &= ~WM_SF_INVALID;
WM__NumInvalidWindows--;
}
Done:
WM_UNLOCK();
}
}
