static void _DrawNext(void) {
int UpdateRem = 1;
WM_HWIN iWin = (NextDrawWin == WM_HWIN_NULL) ? WM__FirstWin : NextDrawWin;
GUI_CONTEXT ContextOld;
GUI_SaveContext(&ContextOld);
/* Make sure the next window to redraw is valid */
for (; (iWin!=WM_HWIN_NULL) && UpdateRem; ) {
WM_Obj* pWin = WM_H2P(iWin);
if (pWin->Status & WM_SF_INVALID) {
U8 Status = (pWin->Status &= ~WM_SF_INVALID); /* Clear invalid flag */
WM__NumInvalidWindows--;
/* Send WM_PAINT if window is visible and a callback is defined */
if ((pWin->cb != NULL) && (Status & WM_SF_ISVIS)) {
WM_MESSAGE Msg;
Msg.hWin = iWin;
Msg.MsgId = WM_PAINT;
Msg.Data.p = (GUI_RECT*)&pWin->InvalidRect;
WM_SelectWindow(iWin);
WM_SetDefault();
#if GUI_SUPPORT_MEMDEV
if (Status & WM_SF_MEMDEV) {
GUI_RECT r = pWin->InvalidRect;
GUI_MoveRect (&r, pWin->Rect.x0, pWin->Rect.y0);
GUI_MEMDEV_Draw(&r, cbPaint, &Msg, 0, (Status & WM_SF_HASTRANS) ? GUI_MEMDEV_HASTRANS : 0);
} else
#endif
WM_SendMessage(iWin, &Msg);
UpdateRem--; /* Only the given number of windows at a time ... */
}
}
iWin = pWin->hNextLin;
}
NextDrawWin = iWin; /* Remember the window */
GUI_RestoreContext(&ContextOld);
}
void WM_Paint(WM_HWIN hObj) {
WM_MESSAGE Msg;
WM_SelectWindow(hObj);
WM_ValidateWindow(hObj);
WM_SetDefault();
Msg.MsgId = WM_PAINT;
Msg.Data.p = NULL;
WM_SendMessage(hObj, &Msg);
}
