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Moved the ScrollWindow and ScrollDC functions to dlls/user/painting.c,

Browse Source 
and removed windows/scroll.c.
This commit is contained in:
Alexandre Julliard 2005-04-25 16:13:17 +00:00
parent 6762313cdf
commit 40b7a50f8e
3 changed files with 193 additions and 223 deletions
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1
dlls/user/Makefile.in
View File

@ -18,7 +18,6 @@ C_SRCS = \
$(TOPOBJDIR)/windows/driver.c \
$(TOPOBJDIR)/windows/multimon.c \
$(TOPOBJDIR)/windows/queue.c \
$(TOPOBJDIR)/windows/scroll.c \
$(TOPOBJDIR)/windows/syscolor.c \
$(TOPOBJDIR)/windows/user.c \
button.c \

193
dlls/user/painting.c
View File

@ -361,6 +361,36 @@ static void update_now( HWND hwnd, UINT rdw_flags )
}
/*************************************************************************
* fix_caret
*
* Helper for ScrollWindowEx.
*/
static HWND fix_caret(HWND hWnd, LPRECT lprc, UINT flags)
{
GUITHREADINFO info;
if (!GetGUIThreadInfo( GetCurrentThreadId(), &info )) return 0;
if (!info.hwndCaret) return 0;
if (info.hwndCaret == hWnd ||
((flags & SW_SCROLLCHILDREN) && IsChild(hWnd, info.hwndCaret)))
{
POINT pt;
pt.x = info.rcCaret.left;
pt.y = info.rcCaret.top;
MapWindowPoints( info.hwndCaret, hWnd, (LPPOINT)&info.rcCaret, 2 );
if( IntersectRect(lprc, lprc, &info.rcCaret) )
{
HideCaret(0);
lprc->left = pt.x;
lprc->top = pt.y;
return info.hwndCaret;
}
}
return 0;
}
/***********************************************************************
* BeginPaint (USER32.@)
*/
@ -692,3 +722,166 @@ INT WINAPI ExcludeUpdateRgn( HDC hdc, HWND hwnd )
}
return ret;
}
/*************************************************************************
* ScrollWindowEx (USER32.@)
*
* Note: contrary to what the doc says, pixels that are scrolled from the
* outside of clipRect to the inside are NOT painted.
*
*/
INT WINAPI ScrollWindowEx( HWND hwnd, INT dx, INT dy,
const RECT *rect, const RECT *clipRect,
HRGN hrgnUpdate, LPRECT rcUpdate,
UINT flags )
{
INT retVal = NULLREGION;
BOOL bOwnRgn = TRUE;
BOOL bUpdate = (rcUpdate || hrgnUpdate || flags & (SW_INVALIDATE | SW_ERASE));
int rdw_flags;
HRGN hrgnTemp;
HRGN hrgnWinupd = 0;
HDC hDC;
RECT rc, cliprc;
RECT caretrc;
HWND hwndCaret = NULL;
TRACE( "%p, %d,%d hrgnUpdate=%p rcUpdate = %p %s %04x\n",
hwnd, dx, dy, hrgnUpdate, rcUpdate, wine_dbgstr_rect(rect), flags );
TRACE( "clipRect = %s\n", wine_dbgstr_rect(clipRect));
if( flags & ~( SW_SCROLLCHILDREN | SW_INVALIDATE | SW_ERASE))
FIXME("some flags (%04x) are unhandled\n", flags);
rdw_flags = (flags & SW_ERASE) && (flags & SW_INVALIDATE) ?
RDW_INVALIDATE | RDW_ERASE : RDW_INVALIDATE ;
if (!WIN_IsWindowDrawable( hwnd, TRUE )) return ERROR;
hwnd = WIN_GetFullHandle( hwnd );
GetClientRect(hwnd, &rc);
if (rect) IntersectRect(&rc, &rc, rect);
if (clipRect) IntersectRect(&cliprc,&rc,clipRect);
else cliprc = rc;
if( hrgnUpdate ) bOwnRgn = FALSE;
else if( bUpdate ) hrgnUpdate = CreateRectRgn( 0, 0, 0, 0 );
if( !IsRectEmpty(&cliprc) && (dx || dy)) {
DWORD dcxflags = DCX_CACHE;
DWORD style = GetWindowLongW( hwnd, GWL_STYLE );
caretrc = rc;
hwndCaret = fix_caret(hwnd, &caretrc, flags);
if( style & WS_CLIPSIBLINGS) dcxflags |= DCX_CLIPSIBLINGS;
if( GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC)
dcxflags |= DCX_PARENTCLIP;
if( !(flags & SW_SCROLLCHILDREN) && (style & WS_CLIPCHILDREN))
dcxflags |= DCX_CLIPCHILDREN;
hDC = GetDCEx( hwnd, 0, dcxflags);
if (hDC)
{
ScrollDC( hDC, dx, dy, &rc, &cliprc, hrgnUpdate, rcUpdate );
ReleaseDC( hwnd, hDC );
if (!bUpdate)
RedrawWindow( hwnd, NULL, hrgnUpdate, rdw_flags);
}
/* If the windows has an update region, this must be
* scrolled as well. Keep a copy in hrgnWinupd
* to be added to hrngUpdate at the end. */
hrgnTemp = CreateRectRgn( 0, 0, 0, 0 );
retVal = GetUpdateRgn( hwnd, hrgnTemp, FALSE );
if (retVal != NULLREGION)
{
HRGN hrgnClip = CreateRectRgnIndirect(&cliprc);
if( !bOwnRgn) {
hrgnWinupd = CreateRectRgn( 0, 0, 0, 0);
CombineRgn( hrgnWinupd, hrgnTemp, 0, RGN_COPY);
}
OffsetRgn( hrgnTemp, dx, dy );
CombineRgn( hrgnTemp, hrgnTemp, hrgnClip, RGN_AND );
if( !bOwnRgn)
CombineRgn( hrgnWinupd, hrgnWinupd, hrgnTemp, RGN_OR );
RedrawWindow( hwnd, NULL, hrgnTemp, rdw_flags);
DeleteObject( hrgnClip );
}
DeleteObject( hrgnTemp );
} else {
/* nothing was scrolled */
if( !bOwnRgn)
SetRectRgn( hrgnUpdate, 0, 0, 0, 0 );
SetRectEmpty( rcUpdate);
}
if( flags & SW_SCROLLCHILDREN )
{
HWND *list = WIN_ListChildren( hwnd );
if (list)
{
int i;
RECT r, dummy;
for (i = 0; list[i]; i++)
{
GetWindowRect( list[i], &r );
MapWindowPoints( 0, hwnd, (POINT *)&r, 2 );
if (!rect || IntersectRect(&dummy, &r, rect))
SetWindowPos( list[i], 0, r.left + dx, r.top + dy, 0, 0,
SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE |
SWP_NOREDRAW | SWP_DEFERERASE );
}
HeapFree( GetProcessHeap(), 0, list );
}
}
if( flags & (SW_INVALIDATE | SW_ERASE) )
RedrawWindow( hwnd, NULL, hrgnUpdate, rdw_flags |
((flags & SW_SCROLLCHILDREN) ? RDW_ALLCHILDREN : 0 ) );
if( hrgnWinupd) {
CombineRgn( hrgnUpdate, hrgnUpdate, hrgnWinupd, RGN_OR);
DeleteObject( hrgnWinupd);
}
if( hwndCaret ) {
SetCaretPos( caretrc.left + dx, caretrc.top + dy );
ShowCaret(hwndCaret);
}
if( bOwnRgn && hrgnUpdate ) DeleteObject( hrgnUpdate );
return retVal;
}
/*************************************************************************
* ScrollWindow (USER32.@)
*
*/
BOOL WINAPI ScrollWindow( HWND hwnd, INT dx, INT dy,
const RECT *rect, const RECT *clipRect )
{
return (ERROR != ScrollWindowEx( hwnd, dx, dy, rect, clipRect, 0, NULL,
(rect ? 0 : SW_SCROLLCHILDREN) |
SW_INVALIDATE | SW_ERASE ));
}
/*************************************************************************
* ScrollDC (USER32.@)
*
* dx, dy, lprcScroll and lprcClip are all in logical coordinates (msdn is
* wrong) hrgnUpdate is returned in device coordinates with rcUpdate in
* logical coordinates.
*/
BOOL WINAPI ScrollDC( HDC hdc, INT dx, INT dy, const RECT *lprcScroll,
const RECT *lprcClip, HRGN hrgnUpdate, LPRECT lprcUpdate )
{
if (USER_Driver.pScrollDC)
return USER_Driver.pScrollDC( hdc, dx, dy, lprcScroll, lprcClip, hrgnUpdate, lprcUpdate );
return FALSE;
}

222
windows/scroll.c
View File

@ -1,222 +0,0 @@
/*
* Scroll windows and DCs
*
* Copyright David W. Metcalfe, 1993
* Alex Korobka 1995,1996
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "winuser.h"
#include "user_private.h"
#include "win.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(scroll);
/*************************************************************************
* fix_caret
*/
static HWND fix_caret(HWND hWnd, LPRECT lprc, UINT flags)
{
GUITHREADINFO info;
if (!GetGUIThreadInfo( GetCurrentThreadId(), &info )) return 0;
if (!info.hwndCaret) return 0;
if (info.hwndCaret == hWnd ||
((flags & SW_SCROLLCHILDREN) && IsChild(hWnd, info.hwndCaret)))
{
POINT pt;
pt.x = info.rcCaret.left;
pt.y = info.rcCaret.top;
MapWindowPoints( info.hwndCaret, hWnd, (LPPOINT)&info.rcCaret, 2 );
if( IntersectRect(lprc, lprc, &info.rcCaret) )
{
HideCaret(0);
lprc->left = pt.x;
lprc->top = pt.y;
return info.hwndCaret;
}
}
return 0;
}
/*************************************************************************
* ScrollWindowEx (USER32.@)
*
* Note: contrary to what the doc says, pixels that are scrolled from the
* outside of clipRect to the inside are NOT painted.
*
*/
INT WINAPI ScrollWindowEx( HWND hwnd, INT dx, INT dy,
const RECT *rect, const RECT *clipRect,
HRGN hrgnUpdate, LPRECT rcUpdate,
UINT flags )
{
INT retVal = NULLREGION;
BOOL bOwnRgn = TRUE;
BOOL bUpdate = (rcUpdate || hrgnUpdate || flags & (SW_INVALIDATE | SW_ERASE));
int rdw_flags;
HRGN hrgnTemp;
HRGN hrgnWinupd = 0;
HDC hDC;
RECT rc, cliprc;
RECT caretrc;
HWND hwndCaret = NULL;
TRACE( "%p, %d,%d hrgnUpdate=%p rcUpdate = %p %s %04x\n",
hwnd, dx, dy, hrgnUpdate, rcUpdate, wine_dbgstr_rect(rect), flags );
TRACE( "clipRect = %s\n", wine_dbgstr_rect(clipRect));
if( flags & ~( SW_SCROLLCHILDREN | SW_INVALIDATE | SW_ERASE))
FIXME("some flags (%04x) are unhandled\n", flags);
rdw_flags = (flags & SW_ERASE) && (flags & SW_INVALIDATE) ?
RDW_INVALIDATE | RDW_ERASE : RDW_INVALIDATE ;
if (!WIN_IsWindowDrawable( hwnd, TRUE )) return ERROR;
hwnd = WIN_GetFullHandle( hwnd );
GetClientRect(hwnd, &rc);
if (rect) IntersectRect(&rc, &rc, rect);
if (clipRect) IntersectRect(&cliprc,&rc,clipRect);
else cliprc = rc;
if( hrgnUpdate ) bOwnRgn = FALSE;
else if( bUpdate ) hrgnUpdate = CreateRectRgn( 0, 0, 0, 0 );
if( !IsRectEmpty(&cliprc) && (dx || dy)) {
DWORD dcxflags = DCX_CACHE;
DWORD style = GetWindowLongW( hwnd, GWL_STYLE );
caretrc = rc;
hwndCaret = fix_caret(hwnd, &caretrc, flags);
if( style & WS_CLIPSIBLINGS) dcxflags |= DCX_CLIPSIBLINGS;
if( GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC)
dcxflags |= DCX_PARENTCLIP;
if( !(flags & SW_SCROLLCHILDREN) && (style & WS_CLIPCHILDREN))
dcxflags |= DCX_CLIPCHILDREN;
hDC = GetDCEx( hwnd, 0, dcxflags);
if (hDC)
{
ScrollDC( hDC, dx, dy, &rc, &cliprc, hrgnUpdate, rcUpdate );
ReleaseDC( hwnd, hDC );
if (!bUpdate)
RedrawWindow( hwnd, NULL, hrgnUpdate, rdw_flags);
}
/* If the windows has an update region, this must be
* scrolled as well. Keep a copy in hrgnWinupd
* to be added to hrngUpdate at the end. */
hrgnTemp = CreateRectRgn( 0, 0, 0, 0 );
retVal = GetUpdateRgn( hwnd, hrgnTemp, FALSE );
if (retVal != NULLREGION)
{
HRGN hrgnClip = CreateRectRgnIndirect(&cliprc);
if( !bOwnRgn) {
hrgnWinupd = CreateRectRgn( 0, 0, 0, 0);
CombineRgn( hrgnWinupd, hrgnTemp, 0, RGN_COPY);
}
OffsetRgn( hrgnTemp, dx, dy );
CombineRgn( hrgnTemp, hrgnTemp, hrgnClip, RGN_AND );
if( !bOwnRgn)
CombineRgn( hrgnWinupd, hrgnWinupd, hrgnTemp, RGN_OR );
RedrawWindow( hwnd, NULL, hrgnTemp, rdw_flags);
DeleteObject( hrgnClip );
}
DeleteObject( hrgnTemp );
} else {
/* nothing was scrolled */
if( !bOwnRgn)
SetRectRgn( hrgnUpdate, 0, 0, 0, 0 );
SetRectEmpty( rcUpdate);
}
if( flags & SW_SCROLLCHILDREN )
{
HWND *list = WIN_ListChildren( hwnd );
if (list)
{
int i;
RECT r, dummy;
for (i = 0; list[i]; i++)
{
GetWindowRect( list[i], &r );
MapWindowPoints( 0, hwnd, (POINT *)&r, 2 );
if (!rect || IntersectRect(&dummy, &r, rect))
SetWindowPos( list[i], 0, r.left + dx, r.top + dy, 0, 0,
SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE |
SWP_NOREDRAW | SWP_DEFERERASE );
}
HeapFree( GetProcessHeap(), 0, list );
}
}
if( flags & (SW_INVALIDATE | SW_ERASE) )
RedrawWindow( hwnd, NULL, hrgnUpdate, rdw_flags |
((flags & SW_SCROLLCHILDREN) ? RDW_ALLCHILDREN : 0 ) );
if( hrgnWinupd) {
CombineRgn( hrgnUpdate, hrgnUpdate, hrgnWinupd, RGN_OR);
DeleteObject( hrgnWinupd);
}
if( hwndCaret ) {
SetCaretPos( caretrc.left + dx, caretrc.top + dy );
ShowCaret(hwndCaret);
}
if( bOwnRgn && hrgnUpdate ) DeleteObject( hrgnUpdate );
return retVal;
}
/*************************************************************************
* ScrollWindow (USER32.@)
*
*/
BOOL WINAPI ScrollWindow( HWND hwnd, INT dx, INT dy,
const RECT *rect, const RECT *clipRect )
{
return
(ERROR != ScrollWindowEx( hwnd, dx, dy, rect, clipRect, 0, NULL,
(rect ? 0 : SW_SCROLLCHILDREN) |
SW_INVALIDATE | SW_ERASE ));
}
/*************************************************************************
* ScrollDC (USER32.@)
*
* dx, dy, lprcScroll and lprcClip are all in logical coordinates (msdn is
* wrong) hrgnUpdate is returned in device coordinates with rcUpdate in
* logical coordinates.
*/
BOOL WINAPI ScrollDC( HDC hdc, INT dx, INT dy, const RECT *lprcScroll,
const RECT *lprcClip, HRGN hrgnUpdate, LPRECT lprcUpdate )
{
if (USER_Driver.pScrollDC)
return USER_Driver.pScrollDC( hdc, dx, dy, lprcScroll, lprcClip, hrgnUpdate, lprcUpdate );
return FALSE;
}