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Added extra child arguments to DCE_GetVisRgn() to be able to handle

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PARENTDC class style combined with CLIPCHILDREN window style, to
prevent mis-redraws in Free Agent 16-bit.
This commit is contained in:
Ove Kaaven 1999-02-19 15:27:58 +00:00 committed by Alexandre Julliard
parent 17d0d4e827
commit 077c2732b8
3 changed files with 35 additions and 7 deletions
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2
include/dce.h
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@ -51,7 +51,7 @@ extern DCE* DCE_AllocDCE( HWND32 hWnd, DCE_TYPE type );
extern DCE* DCE_FreeDCE( DCE *dce );
extern void DCE_FreeWindowDCE( WND* );
extern INT16 DCE_ExcludeRgn( HDC32, WND*, HRGN32 );
extern HRGN32 DCE_GetVisRgn( HWND32, WORD );
extern HRGN32 DCE_GetVisRgn( HWND32, WORD, HWND32, WORD );
extern BOOL32 DCE_InvalidateDCE( WND*, const RECT32* );
#endif /* __WINE_DCE_H */

36
windows/dce.c
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@ -410,11 +410,12 @@ static BOOL32 DCE_AddClipRects( WND *pWndStart, WND *pWndEnd,
* clipped by the client area of all ancestors, and then optionally
* by siblings and children.
*/
HRGN32 DCE_GetVisRgn( HWND32 hwnd, WORD flags )
HRGN32 DCE_GetVisRgn( HWND32 hwnd, WORD flags, HWND32 hwndChild, WORD cflags )
{
HRGN32 hrgnVis = 0;
RECT32 rect;
WND *wndPtr = WIN_FindWndPtr( hwnd );
WND *childWnd = WIN_FindWndPtr( hwndChild );
/* Get visible rectangle and create a region with it. */
@ -449,6 +450,32 @@ HRGN32 DCE_GetVisRgn( HWND32 hwnd, WORD flags )
&rect, xoffset, yoffset );
}
/* We may need to clip children of child window, if a window with PARENTDC
* class style and CLIPCHILDREN window style (like in Free Agent 16
* preference dialogs) gets here, we take the region for the parent window
* but apparently still need to clip the children of the child window... */
if( (cflags & DCX_CLIPCHILDREN) && childWnd && childWnd->child )
{
if( flags & DCX_WINDOW )
{
/* adjust offsets since child window rectangles are
* in client coordinates */
xoffset = wndPtr->rectClient.left - wndPtr->rectWindow.left;
yoffset = wndPtr->rectClient.top - wndPtr->rectWindow.top;
}
else
xoffset = yoffset = 0;
/* client coordinates of child window */
xoffset += childWnd->rectClient.left;
yoffset += childWnd->rectClient.top;
DCE_AddClipRects( childWnd->child, NULL, hrgnClip,
&rect, xoffset, yoffset );
}
/* sibling window rectangles are in client
* coordinates of the parent window */
@ -714,7 +741,8 @@ HDC32 WINAPI GetDCEx32( HWND32 hwnd, HRGN32 hrgnClip, DWORD flags )
else
dcxFlags = flags & ~(DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW);
hrgnVisible = DCE_GetVisRgn( parentPtr->hwndSelf, dcxFlags );
hrgnVisible = DCE_GetVisRgn( parentPtr->hwndSelf, dcxFlags,
wndPtr->hwndSelf, flags );
if( flags & DCX_WINDOW )
OffsetRgn32( hrgnVisible, -wndPtr->rectWindow.left,
-wndPtr->rectWindow.top );
@ -733,7 +761,7 @@ HDC32 WINAPI GetDCEx32( HWND32 hwnd, HRGN32 hrgnClip, DWORD flags )
SYSMETRICS_CYSCREEN );
else
{
hrgnVisible = DCE_GetVisRgn( hwnd, flags );
hrgnVisible = DCE_GetVisRgn( hwnd, flags, 0, 0 );
DCE_OffsetVisRgn( hdc, hrgnVisible );
}
@ -874,7 +902,7 @@ BOOL16 WINAPI DCHook( HDC16 hDC, WORD code, DWORD data, LPARAM lParam )
if( dce->DCXflags & DCX_DCEBUSY )
{
SetHookFlags(hDC, DCHF_VALIDATEVISRGN);
hVisRgn = DCE_GetVisRgn(dce->hwndCurrent, dce->DCXflags);
hVisRgn = DCE_GetVisRgn(dce->hwndCurrent, dce->DCXflags, 0, 0);
TRACE(dc,"\tapplying saved clipRgn\n");

4
windows/winpos.c
View File

@ -2045,7 +2045,7 @@ static UINT32 WINPOS_SizeMoveClean( WND* Wnd, HRGN32 oldVisRgn,
LPRECT32 lpOldWndRect,
LPRECT32 lpOldClientRect, UINT32 uFlags )
{
HRGN32 newVisRgn = DCE_GetVisRgn(Wnd->hwndSelf,DCX_WINDOW | DCX_CLIPSIBLINGS);
HRGN32 newVisRgn = DCE_GetVisRgn(Wnd->hwndSelf,DCX_WINDOW | DCX_CLIPSIBLINGS,0,0);
HRGN32 dirtyRgn = CreateRectRgn32(0,0,0,0);
int other, my;
@ -2333,7 +2333,7 @@ BOOL32 WINAPI SetWindowPos32( HWND32 hwnd, HWND32 hwndInsertAfter,
if ( !X11DRV_WND_GetXWindow(wndPtr) && !(winpos.flags & SWP_NOREDRAW) &&
((winpos.flags & (SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED))
!= (SWP_NOMOVE | SWP_NOSIZE)) )
visRgn = DCE_GetVisRgn(hwnd, DCX_WINDOW | DCX_CLIPSIBLINGS);
visRgn = DCE_GetVisRgn(hwnd, DCX_WINDOW | DCX_CLIPSIBLINGS, 0, 0);
/* Send WM_NCCALCSIZE message to get new client area */
if( (winpos.flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )