BOOL WINAPI
ValidateRect(HWND hwnd, CONST RECT *lprc)
{
RECT rc;
if(!hwnd)
MwRedrawScreen();
else {
/* subtract from update region*/
if(!lprc) {
GetClientRect(hwnd, &rc);
if( hwnd->style & WS_CAPTION )
rc.bottom += mwSYSMETRICS_CYCAPTION;
if( (hwnd->style & (WS_BORDER | WS_DLGFRAME)) != 0 ) {
rc.bottom += mwSYSMETRICS_CYFRAME + 1;
rc.right += mwSYSMETRICS_CXFRAME;
}
} else
rc = *lprc;
MwUnionUpdateRegion(hwnd, rc.left, rc.top,
rc.right-rc.left, rc.bottom-rc.top, FALSE);
/* if update region empty, mark window as painted*/
if(hwnd->update->numRects == 0)
if(hwnd->gotPaintMsg == PAINT_NEEDSPAINT)
hwnd->gotPaintMsg = PAINT_PAINTED;
}
return TRUE;
}
BOOL WINAPI
InvalidateRect(HWND hwnd, CONST RECT *lpRect, BOOL bErase)
{
/* FIXME: handle bErase*/
if(!hwnd)
MwRedrawScreen();
else {
#if UPDATEREGIONS
RECT rc;
/* add to update region*/
if(!lpRect)
GetClientRect(hwnd, &rc);
else rc = *lpRect;
rc.bottom += mwSYSMETRICS_CYCAPTION +
mwSYSMETRICS_CYFRAME + 1;
rc.right += mwSYSMETRICS_CXFRAME;
MwUnionUpdateRegion(hwnd, rc.left, rc.top,
rc.right-rc.left, rc.bottom-rc.top, TRUE);
/* if update region not empty, mark as needing painting*/
if(hwnd->update->numRects != 0)
#endif
if(hwnd->gotPaintMsg == PAINT_PAINTED)
hwnd->gotPaintMsg = PAINT_NEEDSPAINT;
}
return TRUE;
}
/*
* Deliver a window expose event.
* Most of the work is in calculating the update region
* for better redraw look and feel, and then queuing a
* WM_PAINT message to the window.
*/
void
MwDeliverExposureEvent(HWND wp, MWCOORD x, MWCOORD y, MWCOORD width,
MWCOORD height)
{
if (wp->unmapcount)
return;
MwUnionUpdateRegion(wp, x, y, width, height, TRUE);
PostMessage(wp, WM_PAINT, 0, 0L);
}
HWND WINAPI
SetFocus(HWND hwnd)
{
HWND oldfocus;
HWND top, top2;
/* if NULL or hidden, set focus to desktop*/
if(!hwnd || hwnd->unmapcount)
hwnd = rootwp;
if(hwnd == focuswp)
return focuswp;
oldfocus = focuswp;
top = MwGetTopWindow(oldfocus);
top2 = MwGetTopWindow(hwnd);
SendMessage(oldfocus, WM_KILLFOCUS, (WPARAM)hwnd, 0L);
/* send deactivate. Note: should be sent before changing the focuswp var*/
if(top2 != top)
SendMessage(top, WM_ACTIVATE, (WPARAM)MAKELONG(WA_INACTIVE, 0), (LPARAM)top2);
focuswp = hwnd;
SendMessage(focuswp, WM_SETFOCUS, (WPARAM)oldfocus, 0L);
/* FIXME SetActiveWindow() here?*/
if(top2 != top) {
/* repaint captions*/
MwPaintNCArea(top);
#if 0
/* Make sure that caption area is fully invalidated,
* as repaint will be in active color.
* FIXME: this doesn't work; breaks terminal emulator
* on focus out/in
*/
MwUnionUpdateRegion(top2, 0, 0,
top2->winrect.right-top2->winrect.left,
mwSYSMETRICS_CYCAPTION+4, TRUE);
#endif
/* send activate*/
SendMessage(top2, WM_ACTIVATE, (WPARAM)MAKELONG(WA_ACTIVE, 0),
(LPARAM)top);
MwPaintNCArea(top2);
}
return oldfocus;
}
BOOL WINAPI
InvalidateRect(HWND hwnd, CONST RECT *lpRect, BOOL bErase)
{
if(!hwnd)
MwRedrawScreen();
else {
#if UPDATEREGIONS
RECT rc;
/* add to update region*/
if(!lpRect) {
GetClientRect(hwnd, &rc);
if( hwnd->style & WS_CAPTION )
rc.bottom += mwSYSMETRICS_CYCAPTION;
if( (hwnd->style & (WS_BORDER | WS_DLGFRAME)) != 0 ) {
rc.bottom += mwSYSMETRICS_CYFRAME + 1;
rc.right += mwSYSMETRICS_CXFRAME;
}
}
else
rc = *lpRect;
MwUnionUpdateRegion(hwnd, rc.left, rc.top,
rc.right-rc.left, rc.bottom-rc.top, TRUE);
/* if update region not empty, mark as needing painting*/
if(hwnd->update->numRects != 0)
#endif
if(hwnd->gotPaintMsg == PAINT_PAINTED)
hwnd->gotPaintMsg = PAINT_NEEDSPAINT;
if( bErase )
hwnd->nEraseBkGnd++;
}
return TRUE;
}
