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goma / wine / refs/tags/wine-990426 / . / windows / painting.c
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/*
* Window painting functions
*
* Copyright 1993, 1994, 1995 Alexandre Julliard
* 1999 Alex Korobka
*
*/
#include "region.h"
#include "win.h"
#include "queue.h"
#include "dce.h"
#include "heap.h"
#include "debug.h"
#include "wine/winuser16.h"
DECLARE_DEBUG_CHANNEL(nonclient)
DECLARE_DEBUG_CHANNEL(win)
/* client rect in window coordinates */
#define GETCLIENTRECTW( wnd, r ) (r).left = (wnd)->rectClient.left - (wnd)->rectWindow.left; \
(r).top = (wnd)->rectClient.top - (wnd)->rectWindow.top; \
(r).right = (wnd)->rectClient.right - (wnd)->rectWindow.left; \
(r).bottom = (wnd)->rectClient.bottom - (wnd)->rectWindow.top
/* Last CTLCOLOR id */
#define CTLCOLOR_MAX CTLCOLOR_STATIC
/***********************************************************************
* WIN_UpdateNCRgn
*
* NOTE: Caller is responsible for the returned region.
*/
HRGN WIN_UpdateNCRgn(WND* wnd, BOOL bUpdate, BOOL bForceEntire )
{
HRGN hClip = 0;
TRACE(nonclient,"hwnd %04x, hrgnUpdate %04x, ncf %i\n",
wnd->hwndSelf, wnd->hrgnUpdate, (wnd->flags & WIN_NEEDS_NCPAINT)!=0 );
/* desktop window doesn't have nonclient area */
if(wnd == WIN_GetDesktop())
{
wnd->flags &= ~WIN_NEEDS_NCPAINT;
WIN_ReleaseDesktop();
return 0;
}
WIN_ReleaseDesktop();
if ((wnd->hwndSelf == GetActiveWindow()) &&
!(wnd->flags & WIN_NCACTIVATED) )
{
wnd->flags |= WIN_NCACTIVATED;
bForceEntire = TRUE;
}
if( (wnd->flags & WIN_NEEDS_NCPAINT) && wnd->hrgnUpdate )
{
RECT r, r2, r3;
GETCLIENTRECTW( wnd, r );
TRACE(nonclient, "\tclient box (%i,%i-%i,%i)\n", r.left, r.top, r.right, r.bottom );
if( wnd->hrgnUpdate > 1 )
{
GetRgnBox( wnd->hrgnUpdate, &r2 );
UnionRect( &r3, &r2, &r );
if( r3.left != r.left || r3.top != r.top ||
r3.right != r.right || r3.bottom != r.bottom )
{
hClip = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( hClip, wnd->hrgnUpdate, 0, RGN_COPY );
}
}
else
hClip = wnd->hrgnUpdate;
if( wnd->hrgnUpdate > 1 )
{
REGION_CropRgn( wnd->hrgnUpdate, wnd->hrgnUpdate, &r, NULL );
if( bUpdate )
{
GetRgnBox( wnd->hrgnUpdate, &r3 );
if( IsRectEmpty( &r3 ) )
{
/* delete update region since all invalid
* parts were in the nonclient area */
DeleteObject( wnd->hrgnUpdate );
wnd->hrgnUpdate = 0;
if(!(wnd->flags & WIN_INTERNAL_PAINT))
QUEUE_DecPaintCount( wnd->hmemTaskQ );
wnd->flags &= ~WIN_NEEDS_ERASEBKGND;
}
}
}
else /* entire client rect */
wnd->hrgnUpdate = CreateRectRgnIndirect( &r );
}
if(!hClip && bForceEntire ) hClip = 1;
wnd->flags &= ~WIN_NEEDS_NCPAINT;
if( hClip )
SendMessageA( wnd->hwndSelf, WM_NCPAINT, hClip, 0L );
return hClip;
}
/***********************************************************************
* BeginPaint16 (USER.39)
*/
HDC16 WINAPI BeginPaint16( HWND16 hwnd, LPPAINTSTRUCT16 lps )
{
BOOL bIcon;
HRGN hrgnUpdate;
WND *wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return 0;
bIcon = (wndPtr->dwStyle & WS_MINIMIZE && wndPtr->class->hIcon);
wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
if( (hrgnUpdate = WIN_UpdateNCRgn( wndPtr, FALSE, FALSE )) > 1 )
DeleteObject( hrgnUpdate );
if( ((hrgnUpdate = wndPtr->hrgnUpdate) != 0) || (wndPtr->flags & WIN_INTERNAL_PAINT))
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
wndPtr->hrgnUpdate = 0;
wndPtr->flags &= ~WIN_INTERNAL_PAINT;
HideCaret( hwnd );
TRACE(win,"hrgnUpdate = %04x, \n", hrgnUpdate);
if (wndPtr->class->style & CS_PARENTDC)
{
/* Don't clip the output to the update region for CS_PARENTDC window */
if( hrgnUpdate > 1 )
DeleteObject(hrgnUpdate);
lps->hdc = GetDCEx16( hwnd, 0, DCX_WINDOWPAINT | DCX_USESTYLE |
(bIcon ? DCX_WINDOW : 0) );
}
else
{
if( hrgnUpdate )
OffsetRgn( hrgnUpdate, wndPtr->rectWindow.left - wndPtr->rectClient.left,
wndPtr->rectWindow.top - wndPtr->rectClient.top );
lps->hdc = GetDCEx16(hwnd, hrgnUpdate, DCX_INTERSECTRGN |
DCX_WINDOWPAINT | DCX_USESTYLE |
(bIcon ? DCX_WINDOW : 0) );
}
TRACE(win,"hdc = %04x\n", lps->hdc);
if (!lps->hdc)
{
WARN(win, "GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd);
WIN_ReleaseWndPtr(wndPtr);
return 0;
}
GetClipBox16( lps->hdc, &lps->rcPaint );
TRACE(win,"box = (%i,%i - %i,%i)\n", lps->rcPaint.left, lps->rcPaint.top,
lps->rcPaint.right, lps->rcPaint.bottom );
if (wndPtr->flags & WIN_NEEDS_ERASEBKGND)
{
wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
lps->fErase = !SendMessage16(hwnd, (bIcon) ? WM_ICONERASEBKGND
: WM_ERASEBKGND,
(WPARAM16)lps->hdc, 0 );
}
else lps->fErase = TRUE;
WIN_ReleaseWndPtr(wndPtr);
return lps->hdc;
}
/***********************************************************************
* BeginPaint32 (USER32.10)
*/
HDC WINAPI BeginPaint( HWND hwnd, PAINTSTRUCT *lps )
{
PAINTSTRUCT16 ps;
BeginPaint16( hwnd, &ps );
lps->hdc = (HDC)ps.hdc;
lps->fErase = ps.fErase;
lps->rcPaint.top = ps.rcPaint.top;
lps->rcPaint.left = ps.rcPaint.left;
lps->rcPaint.right = ps.rcPaint.right;
lps->rcPaint.bottom = ps.rcPaint.bottom;
lps->fRestore = ps.fRestore;
lps->fIncUpdate = ps.fIncUpdate;
return lps->hdc;
}
/***********************************************************************
* EndPaint16 (USER.40)
*/
BOOL16 WINAPI EndPaint16( HWND16 hwnd, const PAINTSTRUCT16* lps )
{
ReleaseDC16( hwnd, lps->hdc );
ShowCaret( hwnd );
return TRUE;
}
/***********************************************************************
* EndPaint32 (USER32.176)
*/
BOOL WINAPI EndPaint( HWND hwnd, const PAINTSTRUCT *lps )
{
ReleaseDC( hwnd, lps->hdc );
ShowCaret( hwnd );
return TRUE;
}
/***********************************************************************
* FillWindow (USER.324)
*/
void WINAPI FillWindow16( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc, HBRUSH16 hbrush )
{
RECT16 rect;
GetClientRect16( hwnd, &rect );
DPtoLP16( hdc, (LPPOINT16)&rect, 2 );
PaintRect16( hwndParent, hwnd, hdc, hbrush, &rect );
}
/***********************************************************************
* PAINT_GetControlBrush
*/
static HBRUSH16 PAINT_GetControlBrush( HWND hParent, HWND hWnd, HDC16 hDC, UINT16 ctlType )
{
HBRUSH16 bkgBrush = (HBRUSH16)SendMessageA( hParent, WM_CTLCOLORMSGBOX + ctlType,
(WPARAM)hDC, (LPARAM)hWnd );
if( !IsGDIObject16(bkgBrush) )
bkgBrush = DEFWND_ControlColor( hDC, ctlType );
return bkgBrush;
}
/***********************************************************************
* PaintRect (USER.325)
*/
void WINAPI PaintRect16( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc,
HBRUSH16 hbrush, const RECT16 *rect)
{
if( hbrush <= CTLCOLOR_MAX )
{
if( hwndParent )
hbrush = PAINT_GetControlBrush( hwndParent, hwnd, hdc, (UINT16)hbrush );
else
return;
}
if( hbrush )
FillRect16( hdc, rect, hbrush );
}
/***********************************************************************
* GetControlBrush (USER.326)
*/
HBRUSH16 WINAPI GetControlBrush16( HWND16 hwnd, HDC16 hdc, UINT16 ctlType )
{
WND* wndPtr = WIN_FindWndPtr( hwnd );
HBRUSH16 retvalue;
if((ctlType <= CTLCOLOR_MAX) && wndPtr )
{
WND* parent;
if( wndPtr->dwStyle & WS_POPUP ) parent = WIN_LockWndPtr(wndPtr->owner);
else parent = WIN_LockWndPtr(wndPtr->parent);
if( !parent ) parent = wndPtr;
retvalue = (HBRUSH16)PAINT_GetControlBrush( parent->hwndSelf, hwnd, hdc, ctlType );
WIN_ReleaseWndPtr(parent);
goto END;
}
retvalue = (HBRUSH16)0;
END:
WIN_ReleaseWndPtr(wndPtr);
return retvalue;
}
/***********************************************************************
* PAINT_RedrawWindow
*
* FIXME: Windows uses WM_SYNCPAINT to cut down the number of intertask
* SendMessage() calls. This is a comment inside DefWindowProc() source
* from 16-bit SDK:
*
* This message avoids lots of inter-app message traffic
* by switching to the other task and continuing the
* recursion there.
*
* wParam = flags
* LOWORD(lParam) = hrgnClip
* HIWORD(lParam) = hwndSkip (not used; always NULL)
*
*/
BOOL PAINT_RedrawWindow( HWND hwnd, const RECT *rectUpdate,
HRGN hrgnUpdate, UINT flags, UINT ex )
{
BOOL bIcon;
HRGN hrgn = 0, hrgn2 = 0;
RECT r, r2;
POINT pt;
WND* wndPtr;
WND **list, **ppWnd;
if (!hwnd) hwnd = GetDesktopWindow();
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
if (!WIN_IsWindowDrawable( wndPtr, !(flags & RDW_FRAME) ) )
{
WIN_ReleaseWndPtr(wndPtr);
return TRUE; /* No redraw needed */
}
bIcon = (wndPtr->dwStyle & WS_MINIMIZE && wndPtr->class->hIcon);
if (rectUpdate)
{
TRACE(win, "%04x (%04x) %d,%d-%d,%d %04x flags=%04x, exflags=%04x\n",
hwnd, wndPtr->hrgnUpdate, rectUpdate->left, rectUpdate->top,
rectUpdate->right, rectUpdate->bottom, hrgnUpdate, flags, ex );
}
else
{
if( hrgnUpdate ) GetRgnBox( hrgnUpdate, &r );
else SetRectEmpty( &r );
TRACE(win, "%04x (%04x) NULL %04x box (%i,%i-%i,%i) flags=%04x, exflags=%04x\n",
hwnd, wndPtr->hrgnUpdate, hrgnUpdate, r.left, r.top, r.right, r.bottom, flags, ex);
}
if( flags & RDW_FRAME )
r = wndPtr->rectWindow;
else
r = wndPtr->rectClient;
if( ex & RDW_EX_XYWINDOW )
OffsetRect( &r, -wndPtr->rectWindow.left, -wndPtr->rectWindow.top );
else
OffsetRect( &r, -wndPtr->rectClient.left, -wndPtr->rectClient.top );
/* r is the rectangle we crop the supplied update rgn/rect with */
GETCLIENTRECTW( wndPtr, r2 );
pt.x = r2.left; pt.y = r2.top;
if (flags & RDW_INVALIDATE) /* ------------------------- Invalidate */
{
BOOL bHasUpdateRgn = (BOOL)wndPtr->hrgnUpdate;
/* wndPtr->hrgnUpdate is in window coordinates, parameters are
* in client coordinates unless RDW_EX_XYWINDOW is set.
*/
if( hrgnUpdate )
{
hrgn = REGION_CropRgn( 0, hrgnUpdate, &r, (ex & RDW_EX_XYWINDOW) ? NULL : &pt );
GetRgnBox( hrgn, &r2 );
if( IsRectEmpty( &r2 ) )
goto END;
if( wndPtr->hrgnUpdate == 0 )
{
wndPtr->hrgnUpdate = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( wndPtr->hrgnUpdate, hrgn, 0, RGN_COPY );
}
else
if( wndPtr->hrgnUpdate > 1 )
CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, hrgn, RGN_OR );
}
else if( rectUpdate )
{
if( !IntersectRect( &r2, &r, rectUpdate ) )
goto END;
if( !(ex & RDW_EX_XYWINDOW) )
OffsetRect( &r2, pt.x, pt.y );
rect2i: /* r2 contains a rect to add to the update region */
hrgn = CreateRectRgnIndirect( &r2 );
if( wndPtr->hrgnUpdate == 0 )
wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r2 );
else
if( wndPtr->hrgnUpdate > 1 )
REGION_UnionRectWithRgn( wndPtr->hrgnUpdate, &r2 );
}
else /* entire window or client depending on RDW_FRAME */
{
hrgn = 1;
if( flags & RDW_FRAME )
{
if( wndPtr->hrgnUpdate )
DeleteObject( wndPtr->hrgnUpdate );
wndPtr->hrgnUpdate = 1;
}
else /* by default r2 contains client rect in window coordinates */
goto rect2i;
}
if( !bHasUpdateRgn && wndPtr->hrgnUpdate && !(wndPtr->flags & WIN_INTERNAL_PAINT))
QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
if (flags & RDW_FRAME) wndPtr->flags |= WIN_NEEDS_NCPAINT;
if (flags & RDW_ERASE) wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
flags |= RDW_FRAME; /* Force children frame invalidation */
}
else if (flags & RDW_VALIDATE) /* ------------------------- Validate */
{
if (wndPtr->hrgnUpdate) /* need an update region in order to validate anything */
{
if( hrgnUpdate || rectUpdate )
{
if( hrgnUpdate )
{
hrgn = REGION_CropRgn( hrgn, hrgnUpdate, &r, (ex & RDW_EX_XYWINDOW) ? NULL : &pt );
GetRgnBox( hrgn, &r2 );
if( IsRectEmpty( &r2 ) )
goto END;
}
else
{
if( !IntersectRect( &r2, &r, rectUpdate ) )
goto END;
if( !(ex & RDW_EX_XYWINDOW) )
OffsetRect( &r2, pt.x, pt.y );
rect2v:
hrgn = CreateRectRgnIndirect( &r2 );
}
if( wndPtr->hrgnUpdate == 1 )
{
wndPtr->hrgnUpdate = CreateRectRgn( 0, 0,
wndPtr->rectWindow.right - wndPtr->rectWindow.left,
wndPtr->rectWindow.bottom - wndPtr->rectWindow.top );
}
if( CombineRgn( wndPtr->hrgnUpdate,
wndPtr->hrgnUpdate, hrgn, RGN_DIFF ) == NULLREGION )
{
DeleteObject( wndPtr->hrgnUpdate );
wndPtr->hrgnUpdate = 0;
}
}
else /* entire window or client depending on RDW_FRAME */
{
wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
hrgn = 1;
if( flags & RDW_FRAME )
{
if( wndPtr->hrgnUpdate != 1 )
DeleteObject( wndPtr->hrgnUpdate );
wndPtr->hrgnUpdate = 0;
}
else /* by default r2 contains client rect in window coordinates */
goto rect2v;
}
if (!wndPtr->hrgnUpdate && /* No more update region */
!(wndPtr->flags & WIN_INTERNAL_PAINT) )
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
}
if (flags & RDW_NOFRAME) wndPtr->flags &= ~WIN_NEEDS_NCPAINT;
if (flags & RDW_NOERASE) wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
}
/* At this point hrgn contains new update region in window coordinates */
/* Set/clear internal paint flag */
if (flags & RDW_INTERNALPAINT)
{
if ( !wndPtr->hrgnUpdate && !(wndPtr->flags & WIN_INTERNAL_PAINT))
QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
wndPtr->flags |= WIN_INTERNAL_PAINT;
}
else if (flags & RDW_NOINTERNALPAINT)
{
if ( !wndPtr->hrgnUpdate && (wndPtr->flags & WIN_INTERNAL_PAINT))
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
wndPtr->flags &= ~WIN_INTERNAL_PAINT;
}
/* Erase/update window */
if (flags & RDW_UPDATENOW)
{
if (wndPtr->hrgnUpdate) /* wm_painticon wparam is 1 */
SendMessage16( hwnd, (bIcon) ? WM_PAINTICON : WM_PAINT, bIcon, 0 );
}
else if ((flags & RDW_ERASENOW) || (ex & RDW_EX_TOPFRAME))
{
hrgn2 = WIN_UpdateNCRgn( wndPtr, TRUE, (ex & RDW_EX_TOPFRAME) );
if( wndPtr->flags & WIN_NEEDS_ERASEBKGND )
{
HDC hdc;
if( hrgn2 > 1 )
{
OffsetRgn( hrgn2, -pt.x, -pt.y );
GetRgnBox( hrgn2, &r2 );
}
else
{
hrgn2 = CreateRectRgn( 0, 0, 0, 0 );
CombineRgn( hrgn2, wndPtr->hrgnUpdate, 0, RGN_COPY );
OffsetRgn( hrgn2, -pt.x, -pt.y );
}
hdc = GetDCEx( hwnd, hrgn2,
DCX_INTERSECTRGN | DCX_USESTYLE |
DCX_KEEPCLIPRGN | DCX_WINDOWPAINT |
(bIcon ? DCX_WINDOW : 0) );
if (hdc)
{
if (SendMessage16( hwnd, (bIcon) ? WM_ICONERASEBKGND
: WM_ERASEBKGND,
(WPARAM16)hdc, 0 ))
wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
ReleaseDC( hwnd, hdc );
}
}
}
if ( !IsWindow( hwnd ) )
{
WIN_ReleaseWndPtr(wndPtr);
return TRUE;
}
/* Recursively process children */
if (!(flags & RDW_NOCHILDREN) &&
((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN)) &&
!(wndPtr->dwStyle & WS_MINIMIZE) )
{
if( hrgnUpdate || rectUpdate )
{
if( hrgn2 <= 1 )
hrgn2 = (ex & RDW_EX_USEHRGN) ? hrgnUpdate : 0;
if( (list = WIN_BuildWinArray( wndPtr, 0, NULL )) )
{
POINT delta = pt;
for (ppWnd = list; *ppWnd; ppWnd++)
{
WIN_UpdateWndPtr(&wndPtr,*ppWnd);
if (!IsWindow(wndPtr->hwndSelf)) continue;
if (wndPtr->dwStyle & WS_VISIBLE)
{
r.left = wndPtr->rectWindow.left + delta.x;
r.top = wndPtr->rectWindow.top + delta.y;
r.right = wndPtr->rectWindow.right + delta.x;
r.bottom = wndPtr->rectWindow.bottom + delta.y;
pt.x = -r.left; pt.y = -r.top;
hrgn2 = REGION_CropRgn( hrgn2, hrgn, &r, &pt );
GetRgnBox( hrgn2, &r2 );
if( !IsRectEmpty( &r2 ) )
{
PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, hrgn2, flags,
RDW_EX_USEHRGN | RDW_EX_XYWINDOW );
}
}
}
WIN_ReleaseWinArray(list);
}
}
else
{
if( (list = WIN_BuildWinArray( wndPtr, 0, NULL )) )
{
for (ppWnd = list; *ppWnd; ppWnd++)
{
WIN_UpdateWndPtr(&wndPtr,*ppWnd);
if (IsWindow( wndPtr->hwndSelf ))
PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, flags, 0 );
}
WIN_ReleaseWinArray(list);
}
}
}
END:
if( hrgn2 > 1 && (hrgn2 != hrgnUpdate) )
DeleteObject( hrgn2 );
if( hrgn > 1 && (hrgn != hrgnUpdate) )
DeleteObject( hrgn );
WIN_ReleaseWndPtr(wndPtr);
return TRUE;
}
/***********************************************************************
* RedrawWindow32 (USER32.426)
*/
BOOL WINAPI RedrawWindow( HWND hwnd, const RECT *rectUpdate,
HRGN hrgnUpdate, UINT flags )
{
return PAINT_RedrawWindow( hwnd, rectUpdate, hrgnUpdate, flags, 0 );
}
/***********************************************************************
* RedrawWindow16 (USER.290)
*/
BOOL16 WINAPI RedrawWindow16( HWND16 hwnd, const RECT16 *rectUpdate,
HRGN16 hrgnUpdate, UINT16 flags )
{
if (rectUpdate)
{
RECT r;
CONV_RECT16TO32( rectUpdate, &r );
return (BOOL16)RedrawWindow( (HWND)hwnd, &r, hrgnUpdate, flags );
}
return (BOOL16)PAINT_RedrawWindow( (HWND)hwnd, NULL,
(HRGN)hrgnUpdate, flags, 0 );
}
/***********************************************************************
* UpdateWindow16 (USER.124)
*/
void WINAPI UpdateWindow16( HWND16 hwnd )
{
PAINT_RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_NOCHILDREN, 0 );
}
/***********************************************************************
* UpdateWindow32 (USER32.567)
*/
void WINAPI UpdateWindow( HWND hwnd )
{
PAINT_RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_NOCHILDREN, 0 );
}
/***********************************************************************
* InvalidateRgn16 (USER.126)
*/
void WINAPI InvalidateRgn16( HWND16 hwnd, HRGN16 hrgn, BOOL16 erase )
{
PAINT_RedrawWindow((HWND)hwnd, NULL, (HRGN)hrgn,
RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
}
/***********************************************************************
* InvalidateRgn32 (USER32.329)
*/
BOOL WINAPI InvalidateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
{
return PAINT_RedrawWindow(hwnd, NULL, hrgn, RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
}
/***********************************************************************
* InvalidateRect16 (USER.125)
*/
void WINAPI InvalidateRect16( HWND16 hwnd, const RECT16 *rect, BOOL16 erase )
{
RedrawWindow16( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) );
}
/***********************************************************************
* InvalidateRect32 (USER32.328)
*/
BOOL WINAPI InvalidateRect( HWND hwnd, const RECT *rect, BOOL erase )
{
return PAINT_RedrawWindow( hwnd, rect, 0,
RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
}
/***********************************************************************
* ValidateRgn16 (USER.128)
*/
void WINAPI ValidateRgn16( HWND16 hwnd, HRGN16 hrgn )
{
PAINT_RedrawWindow( (HWND)hwnd, NULL, (HRGN)hrgn,
RDW_VALIDATE | RDW_NOCHILDREN, 0 );
}
/***********************************************************************
* ValidateRgn32 (USER32.572)
*/
void WINAPI ValidateRgn( HWND hwnd, HRGN hrgn )
{
PAINT_RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE | RDW_NOCHILDREN, 0 );
}
/***********************************************************************
* ValidateRect16 (USER.127)
*/
void WINAPI ValidateRect16( HWND16 hwnd, const RECT16 *rect )
{
RedrawWindow16( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN );
}
/***********************************************************************
* ValidateRect32 (USER32.571)
*/
void WINAPI ValidateRect( HWND hwnd, const RECT *rect )
{
PAINT_RedrawWindow( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN, 0 );
}
/***********************************************************************
* GetUpdateRect16 (USER.190)
*/
BOOL16 WINAPI GetUpdateRect16( HWND16 hwnd, LPRECT16 rect, BOOL16 erase )
{
RECT r;
BOOL16 ret;
if (!rect) return GetUpdateRect( hwnd, NULL, erase );
ret = GetUpdateRect( hwnd, &r, erase );
CONV_RECT32TO16( &r, rect );
return ret;
}
/***********************************************************************
* GetUpdateRect32 (USER32.297)
*/
BOOL WINAPI GetUpdateRect( HWND hwnd, LPRECT rect, BOOL erase )
{
BOOL retvalue;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return FALSE;
if (rect)
{
if (wndPtr->hrgnUpdate > 1)
{
HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
if (GetUpdateRgn( hwnd, hrgn, erase ) == ERROR)
{
retvalue = FALSE;
goto END;
}
GetRgnBox( hrgn, rect );
DeleteObject( hrgn );
if (wndPtr->class->style & CS_OWNDC)
{
if (GetMapMode(wndPtr->dce->hDC) != MM_TEXT)
{
DPtoLP (wndPtr->dce->hDC, (LPPOINT)rect, 2);
}
}
}
else
if( wndPtr->hrgnUpdate == 1 )
{
GetClientRect( hwnd, rect );
if (erase) RedrawWindow( hwnd, NULL, 0, RDW_FRAME | RDW_ERASENOW | RDW_NOCHILDREN );
}
else
SetRectEmpty( rect );
}
retvalue = (wndPtr->hrgnUpdate >= 1);
END:
WIN_ReleaseWndPtr(wndPtr);
return retvalue;
}
/***********************************************************************
* GetUpdateRgn16 (USER.237)
*/
INT16 WINAPI GetUpdateRgn16( HWND16 hwnd, HRGN16 hrgn, BOOL16 erase )
{
return GetUpdateRgn( hwnd, hrgn, erase );
}
/***********************************************************************
* GetUpdateRgn (USER32.298)
*/
INT WINAPI GetUpdateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
{
INT retval;
WND * wndPtr = WIN_FindWndPtr( hwnd );
if (!wndPtr) return ERROR;
if (wndPtr->hrgnUpdate == 0)
{
SetRectRgn( hrgn, 0, 0, 0, 0 );
retval = NULLREGION;
goto END;
}
else
if (wndPtr->hrgnUpdate == 1)
{
SetRectRgn( hrgn, 0, 0, wndPtr->rectClient.right - wndPtr->rectClient.left,
wndPtr->rectClient.bottom - wndPtr->rectClient.top );
retval = SIMPLEREGION;
}
else
{
retval = CombineRgn( hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY );
OffsetRgn( hrgn, wndPtr->rectWindow.left - wndPtr->rectClient.left,
wndPtr->rectWindow.top - wndPtr->rectClient.top );
}
if (erase) RedrawWindow( hwnd, NULL, 0, RDW_ERASENOW | RDW_NOCHILDREN );
END:
WIN_ReleaseWndPtr(wndPtr);
return retval;
}
/***********************************************************************
* ExcludeUpdateRgn16 (USER.238)
*/
INT16 WINAPI ExcludeUpdateRgn16( HDC16 hdc, HWND16 hwnd )
{
return ExcludeUpdateRgn( hdc, hwnd );
}
/***********************************************************************
* ExcludeUpdateRgn32 (USER32.195)
*/
INT WINAPI ExcludeUpdateRgn( HDC hdc, HWND hwnd )
{
RECT rect;
WND * wndPtr;
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return ERROR;
if (wndPtr->hrgnUpdate)
{
INT ret;
HRGN hrgn = CreateRectRgn(wndPtr->rectWindow.left - wndPtr->rectClient.left,
wndPtr->rectWindow.top - wndPtr->rectClient.top,
wndPtr->rectWindow.right - wndPtr->rectClient.left,
wndPtr->rectWindow.bottom - wndPtr->rectClient.top);
if( wndPtr->hrgnUpdate > 1 )
{
CombineRgn(hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY);
OffsetRgn(hrgn, wndPtr->rectWindow.left - wndPtr->rectClient.left,
wndPtr->rectWindow.top - wndPtr->rectClient.top );
}
/* do ugly coordinate translations in dce.c */
ret = DCE_ExcludeRgn( hdc, wndPtr, hrgn );
DeleteObject( hrgn );
WIN_ReleaseWndPtr(wndPtr);
return ret;
}
WIN_ReleaseWndPtr(wndPtr);
return GetClipBox( hdc, &rect );
}