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user32: Moved the DCE support from winex11 back to user32. 

Window and class DCEs are now allocated lazily.
This commit is contained in:
Alexandre Julliard 2008-02-25 15:59:19 +01:00
parent 4273a8ab86
commit 1642fbcbc2
17 changed files with 715 additions and 779 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
dlls/user32/class.c
View File

@ -52,6 +52,7 @@ typedef struct tagCLASS
INT cbClsExtra; /* Class extra bytes */
INT cbWndExtra; /* Window extra bytes */
LPWSTR menuName; /* Default menu name (Unicode followed by ASCII) */
struct dce *dce; /* Opaque pointer to class DCE */
HINSTANCE hInstance; /* Module that created the task */
HICON hIcon; /* Default icon */
HICON hIconSm; /* Default small icon */
@ -243,6 +244,7 @@ static void CLASS_FreeClass( CLASS *classPtr )
USER_Lock();
if (classPtr->dce) free_dce( classPtr->dce, 0 );
list_remove( &classPtr->entry );
if (classPtr->hbrBackground > (HBRUSH)(COLOR_GRADIENTINACTIVECAPTION + 1))
DeleteObject( classPtr->hbrBackground );
@ -441,6 +443,26 @@ WNDPROC get_class_winproc( CLASS *class )
}
/***********************************************************************
* get_class_dce
*/
struct dce *get_class_dce( CLASS *class )
{
return class->dce;
}
/***********************************************************************
* set_class_dce
*/
struct dce *set_class_dce( CLASS *class, struct dce *dce )
{
if (class->dce) return class->dce; /* already set, don't change it */
class->dce = dce;
return dce;
}
/***********************************************************************
* RegisterClassA (USER32.@)
*

2
dlls/user32/controls.h
View File

@ -64,6 +64,8 @@ struct tagWND;
extern ATOM get_int_atom_value( LPCWSTR name ) DECLSPEC_HIDDEN;
extern void CLASS_RegisterBuiltinClasses(void) DECLSPEC_HIDDEN;
extern WNDPROC get_class_winproc( struct tagCLASS *class ) DECLSPEC_HIDDEN;
extern struct dce *get_class_dce( struct tagCLASS *class ) DECLSPEC_HIDDEN;
extern struct dce *set_class_dce( struct tagCLASS *class, struct dce *dce ) DECLSPEC_HIDDEN;
extern void CLASS_FreeModuleClasses( HMODULE16 hModule ) DECLSPEC_HIDDEN;
/* defwnd proc */

35
dlls/user32/driver.c
View File

@ -108,7 +108,7 @@ static const USER_DRIVER *load_driver(void)
GET_USER_FUNC(CreateDesktopWindow);
GET_USER_FUNC(CreateWindow);
GET_USER_FUNC(DestroyWindow);
GET_USER_FUNC(GetDCEx);
GET_USER_FUNC(GetDC);
GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
GET_USER_FUNC(ReleaseDC);
GET_USER_FUNC(ScrollDC);
@ -121,7 +121,6 @@ static const USER_DRIVER *load_driver(void)
GET_USER_FUNC(SetWindowText);
GET_USER_FUNC(ShowWindow);
GET_USER_FUNC(SysCommandSizeMove);
GET_USER_FUNC(WindowFromDC);
GET_USER_FUNC(WindowMessage);
#undef GET_USER_FUNC
}
@ -344,9 +343,9 @@ static void nulldrv_DestroyWindow( HWND hwnd )
{
}
static HDC nulldrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
static void nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
const RECT *top_rect, DWORD flags )
{
return 0;
}
static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
@ -356,9 +355,8 @@ static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *han
timeout, flags & MWMO_ALERTABLE );
}
static INT nulldrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
static void nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
{
return 0;
}
static BOOL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
@ -407,11 +405,6 @@ static void nulldrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
{
}
static HWND nulldrv_WindowFromDC( HDC hdc )
{
return 0;
}
static LRESULT nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
return 0;
@ -461,7 +454,7 @@ static const USER_DRIVER null_driver =
nulldrv_CreateDesktopWindow,
nulldrv_CreateWindow,
nulldrv_DestroyWindow,
nulldrv_GetDCEx,
nulldrv_GetDC,
nulldrv_MsgWaitForMultipleObjectsEx,
nulldrv_ReleaseDC,
nulldrv_ScrollDC,
@ -474,7 +467,6 @@ static const USER_DRIVER null_driver =
nulldrv_SetWindowText,
nulldrv_ShowWindow,
nulldrv_SysCommandSizeMove,
nulldrv_WindowFromDC,
nulldrv_WindowMessage
};
@ -668,9 +660,10 @@ static void loaderdrv_DestroyWindow( HWND hwnd )
load_driver()->pDestroyWindow( hwnd );
}
static HDC loaderdrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
static void loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
const RECT *top_rect, DWORD flags )
{
return load_driver()->pGetDCEx( hwnd, hrgn, flags );
load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
}
static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
@ -679,9 +672,9 @@ static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *h
return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
}
static INT loaderdrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
static void loaderdrv_ReleaseDC( HWND hwnd, HDC hdc )
{
return load_driver()->pReleaseDC( hwnd, hdc, end_paint );
load_driver()->pReleaseDC( hwnd, hdc );
}
static BOOL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
@ -738,11 +731,6 @@ static void loaderdrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
load_driver()->pSysCommandSizeMove( hwnd, wparam );
}
static HWND loaderdrv_WindowFromDC( HDC hdc )
{
return load_driver()->pWindowFromDC( hdc );
}
static LRESULT loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
@ -792,7 +780,7 @@ static const USER_DRIVER lazy_load_driver =
loaderdrv_CreateDesktopWindow,
loaderdrv_CreateWindow,
loaderdrv_DestroyWindow,
loaderdrv_GetDCEx,
loaderdrv_GetDC,
loaderdrv_MsgWaitForMultipleObjectsEx,
loaderdrv_ReleaseDC,
loaderdrv_ScrollDC,
@ -805,6 +793,5 @@ static const USER_DRIVER lazy_load_driver =
loaderdrv_SetWindowText,
loaderdrv_ShowWindow,
loaderdrv_SysCommandSizeMove,
loaderdrv_WindowFromDC,
loaderdrv_WindowMessage
};

590
dlls/user32/painting.c
View File

@ -1,8 +1,8 @@
/*
* Window painting functions
*
* Copyright 1993, 1994, 1995, 2001, 2004 Alexandre Julliard
* Copyright 1999 Alex Korobka
* Copyright 1993, 1994, 1995, 2001, 2004, 2005, 2008 Alexandre Julliard
* Copyright 1996, 1997, 1999 Alex Korobka
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -22,6 +22,7 @@
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#include <string.h>
@ -34,11 +35,31 @@
#include "wine/server.h"
#include "win.h"
#include "user_private.h"
#include "controls.h"
#include "wine/list.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win);
struct dce
{
struct list entry; /* entry in global DCE list */
HDC hdc;
HWND hwnd;
HRGN clip_rgn;
DWORD flags;
LONG count; /* usage count; 0 or 1 for cache DCEs, always 1 for window DCEs,
always >= 1 for class DCEs */
};
static struct list dce_list = LIST_INIT(dce_list);
static BOOL CALLBACK dc_hook( HDC hDC, WORD code, DWORD_PTR data, LPARAM lParam );
static const WCHAR displayW[] = { 'D','I','S','P','L','A','Y',0 };
/***********************************************************************
* dump_rdw_flags
*/
@ -78,6 +99,420 @@ static void dump_rdw_flags(UINT flags)
}
/***********************************************************************
* update_visible_region
*
* Set the visible region and X11 drawable for the DC associated to
* a given window.
*/
static void update_visible_region( struct dce *dce )
{
NTSTATUS status;
HRGN vis_rgn = 0;
HWND top_win = 0;
DWORD flags = dce->flags;
size_t size = 256;
RECT win_rect, top_rect;
/* don't clip siblings if using parent clip region */
if (flags & DCX_PARENTCLIP) flags &= ~DCX_CLIPSIBLINGS;
/* fetch the visible region from the server */
do
{
RGNDATA *data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 );
if (!data) return;
SERVER_START_REQ( get_visible_region )
{
req->window = dce->hwnd;
req->flags = flags;
wine_server_set_reply( req, data->Buffer, size );
if (!(status = wine_server_call( req )))
{
size_t reply_size = wine_server_reply_size( reply );
data->rdh.dwSize = sizeof(data->rdh);
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = reply_size / sizeof(RECT);
data->rdh.nRgnSize = reply_size;
vis_rgn = ExtCreateRegion( NULL, size, data );
top_win = reply->top_win;
win_rect.left = reply->win_rect.left;
win_rect.top = reply->win_rect.top;
win_rect.right = reply->win_rect.right;
win_rect.bottom = reply->win_rect.bottom;
top_rect.left = reply->top_rect.left;
top_rect.top = reply->top_rect.top;
top_rect.right = reply->top_rect.right;
top_rect.bottom = reply->top_rect.bottom;
}
else size = reply->total_size;
}
SERVER_END_REQ;
HeapFree( GetProcessHeap(), 0, data );
} while (status == STATUS_BUFFER_OVERFLOW);
if (status || !vis_rgn) return;
USER_Driver->pGetDC( dce->hdc, dce->hwnd, top_win, &win_rect, &top_rect, flags );
if (dce->clip_rgn) CombineRgn( vis_rgn, vis_rgn, dce->clip_rgn,
(flags & DCX_INTERSECTRGN) ? RGN_AND : RGN_DIFF );
/* map region to DC coordinates */
OffsetRgn( vis_rgn, -win_rect.left, -win_rect.top );
SelectVisRgn( dce->hdc, vis_rgn );
DeleteObject( vis_rgn );
}
/***********************************************************************
* release_dce
*/
static void release_dce( struct dce *dce )
{
if (!dce->hwnd) return; /* already released */
USER_Driver->pReleaseDC( dce->hwnd, dce->hdc );
if (dce->clip_rgn) DeleteObject( dce->clip_rgn );
dce->clip_rgn = 0;
dce->hwnd = 0;
dce->flags &= DCX_CACHE;
}
/***********************************************************************
* delete_clip_rgn
*/
static void delete_clip_rgn( struct dce *dce )
{
if (!dce->clip_rgn) return; /* nothing to do */
dce->flags &= ~(DCX_EXCLUDERGN | DCX_INTERSECTRGN);
DeleteObject( dce->clip_rgn );
dce->clip_rgn = 0;
/* make it dirty so that the vis rgn gets recomputed next time */
SetHookFlags( dce->hdc, DCHF_INVALIDATEVISRGN );
}
/***********************************************************************
* alloc_dce
*
* Allocate a new DCE.
*/
static struct dce *alloc_dce(void)
{
struct dce *dce;
if (!(dce = HeapAlloc( GetProcessHeap(), 0, sizeof(*dce) ))) return NULL;
if (!(dce->hdc = CreateDCW( displayW, NULL, NULL, NULL )))
{
HeapFree( GetProcessHeap(), 0, dce );
return 0;
}
SaveDC( dce->hdc );
dce->hwnd = 0;
dce->clip_rgn = 0;
dce->flags = 0;
dce->count = 1;
/* store DCE handle in DC hook data field */
SetDCHook( dce->hdc, dc_hook, (DWORD_PTR)dce );
SetHookFlags( dce->hdc, DCHF_INVALIDATEVISRGN );
return dce;
}
/***********************************************************************
* get_window_dce
*/
static struct dce *get_window_dce( HWND hwnd )
{
struct dce *dce;
WND *win = WIN_GetPtr( hwnd );
if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return NULL;
dce = win->dce;
if (!dce && (dce = get_class_dce( win->class )))
{
win->dce = dce;
dce->count++;
}
WIN_ReleasePtr( win );
if (!dce) /* try to allocate one */
{
struct dce *dce_to_free = NULL;
LONG class_style = GetClassLongW( hwnd, GCL_STYLE );
if (class_style & CS_CLASSDC)
{
if (!(dce = alloc_dce())) return NULL;
win = WIN_GetPtr( hwnd );
if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
{
if (win->dce) /* another thread beat us to it */
{
dce_to_free = dce;
dce = win->dce;
}
else if ((win->dce = set_class_dce( win->class, dce )) != dce)
{
dce_to_free = dce;
dce = win->dce;
dce->count++;
}
else
{
dce->count++;
list_add_tail( &dce_list, &dce->entry );
}
WIN_ReleasePtr( win );
}
else dce_to_free = dce;
}
else if (class_style & CS_OWNDC)
{
if (!(dce = alloc_dce())) return NULL;
win = WIN_GetPtr( hwnd );
if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
{
if (win->dwStyle & WS_CLIPCHILDREN) dce->flags |= DCX_CLIPCHILDREN;
if (win->dwStyle & WS_CLIPSIBLINGS) dce->flags |= DCX_CLIPSIBLINGS;
if (win->dce) /* another thread beat us to it */
{
dce_to_free = dce;
dce = win->dce;
}
else
{
win->dce = dce;
dce->hwnd = hwnd;
list_add_tail( &dce_list, &dce->entry );
}
WIN_ReleasePtr( win );
}
else dce_to_free = dce;
}
if (dce_to_free)
{
SetDCHook( dce->hdc, NULL, 0 );
DeleteDC( dce->hdc );
HeapFree( GetProcessHeap(), 0, dce );
}
}
return dce;
}
/***********************************************************************
* free_dce
*
* Free a class or window DCE.
*/
void free_dce( struct dce *dce, HWND hwnd )
{
USER_Lock();
if (dce)
{
if (!--dce->count)
{
/* turn it into a cache entry */
release_dce( dce );
dce->flags |= DCX_CACHE;
}
else if (dce->hwnd == hwnd)
{
release_dce( dce );
}
}
/* now check for cache DCEs */
if (hwnd)
{
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
if (dce->hwnd != hwnd) continue;
if (!(dce->flags & DCX_CACHE)) continue;
if (dce->count) WARN( "GetDC() without ReleaseDC() for window %p\n", hwnd );
dce->count = 0;
release_dce( dce );
}
}
USER_Unlock();
}
/***********************************************************************
* make_dc_dirty
*
* Mark the associated DC as dirty to force a refresh of the visible region
*/
static void make_dc_dirty( struct dce *dce )
{
if (!dce->count)
{
/* Don't bother with visible regions of unused DCEs */
TRACE("\tpurged %p dce [%p]\n", dce, dce->hwnd);
release_dce( dce );
}
else
{
/* Set dirty bits in the hDC and DCE structs */
TRACE("\tfixed up %p dce [%p]\n", dce, dce->hwnd);
SetHookFlags( dce->hdc, DCHF_INVALIDATEVISRGN );
}
}
/***********************************************************************
* invalidate_dce
*
* It is called from SetWindowPos() - we have to
* mark as dirty all busy DCEs for windows that have pWnd->parent as
* an ancestor and whose client rect intersects with specified update
* rectangle. In addition, pWnd->parent DCEs may need to be updated if
* DCX_CLIPCHILDREN flag is set.
*/
void invalidate_dce( HWND hwnd, const RECT *rect )
{
RECT window_rect, extra_rect;
struct dce *dce;
HWND hwndScope = GetAncestor( hwnd, GA_PARENT );
if (!hwndScope) return;
GetWindowRect( hwnd, &window_rect );
if (rect)
{
extra_rect = *rect;
MapWindowPoints( hwndScope, 0, (POINT *)&extra_rect, 2 );
}
TRACE("%p scope hwnd = %p %s (%s)\n",
hwnd, hwndScope, wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(rect) );
/* walk all DCEs and fixup non-empty entries */
USER_Lock();
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
TRACE( "%p: hwnd %p dcx %08x %s %s\n", dce, dce->hwnd, dce->flags,
(dce->flags & DCX_CACHE) ? "Cache" : "Owned", dce->count ? "InUse" : "" );
if (!dce->hwnd) continue;
if ((dce->hwnd == hwndScope) && !(dce->flags & DCX_CLIPCHILDREN))
continue; /* child window positions don't bother us */
/* if DCE window is a child of hwnd, it has to be invalidated */
if (dce->hwnd == hwnd || IsChild( hwnd, dce->hwnd ))
{
make_dc_dirty( dce );
}
else /* otherwise check if the window rectangle intersects this DCE window */
{
if (hwndScope == GetDesktopWindow() ||
hwndScope == dce->hwnd || IsChild( hwndScope, dce->hwnd ))
{
RECT dce_rect, tmp;
GetWindowRect( dce->hwnd, &dce_rect );
if (IntersectRect( &tmp, &dce_rect, &window_rect ) ||
(rect && IntersectRect( &tmp, &dce_rect, &extra_rect )))
make_dc_dirty( dce );
}
}
}
USER_Unlock();
}
/***********************************************************************
* release_dc
*
* Implementation of ReleaseDC.
*/
static INT release_dc( HWND hwnd, HDC hdc, BOOL end_paint )
{
struct dce *dce;
BOOL ret = FALSE;
TRACE("%p %p\n", hwnd, hdc );
USER_Lock();
dce = (struct dce *)GetDCHook( hdc, NULL );
if (dce && dce->count)
{
if (end_paint || (dce->flags & DCX_CACHE)) delete_clip_rgn( dce );
if (dce->flags & DCX_CACHE) dce->count = 0;
ret = TRUE;
}
USER_Unlock();
return ret;
}
/***********************************************************************
* dc_hook
*
* See "Undoc. Windows" for hints (DC, SetDCHook, SetHookFlags)..
*/
static BOOL CALLBACK dc_hook( HDC hDC, WORD code, DWORD_PTR data, LPARAM lParam )
{
BOOL retv = TRUE;
struct dce *dce = (struct dce *)data;
TRACE("hDC = %p, %u\n", hDC, code);
if (!dce) return 0;
assert( dce->hdc == hDC );
switch( code )
{
case DCHC_INVALIDVISRGN:
/* GDI code calls this when it detects that the
* DC is dirty (usually after SetHookFlags()). This
* means that we have to recompute the visible region.
*/
if (dce->count) update_visible_region( dce );
else /* non-fatal but shouldn't happen */
WARN("DC is not in use!\n");
break;
case DCHC_DELETEDC:
/*
* Windows will not let you delete a DC that is busy
* (between GetDC and ReleaseDC)
*/
USER_Lock();
if (dce->count)
{
WARN("Application trying to delete a busy DC %p\n", dce->hdc);
retv = FALSE;
}
else
{
list_remove( &dce->entry );
if (dce->clip_rgn) DeleteObject( dce->clip_rgn );
HeapFree( GetProcessHeap(), 0, dce );
}
USER_Unlock();
break;
}
return retv;
}
/***********************************************************************
* get_update_region
*
@ -263,7 +698,7 @@ static BOOL send_erase( HWND hwnd, UINT flags, HRGN client_rgn,
if (type != NULLREGION)
need_erase = !SendMessageW( hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0 );
}
if (!hdc_ret) USER_Driver->pReleaseDC( hwnd, hdc, TRUE );
if (!hdc_ret) release_dc( hwnd, hdc, TRUE );
}
if (hdc_ret) *hdc_ret = hdc;
@ -457,7 +892,7 @@ HDC WINAPI BeginPaint( HWND hwnd, PAINTSTRUCT *lps )
BOOL WINAPI EndPaint( HWND hwnd, const PAINTSTRUCT *lps )
{
if (!lps) return FALSE;
USER_Driver->pReleaseDC( hwnd, lps->hdc, TRUE );
release_dc( hwnd, lps->hdc, TRUE );
ShowCaret( hwnd );
return TRUE;
}
@ -468,10 +903,142 @@ BOOL WINAPI EndPaint( HWND hwnd, const PAINTSTRUCT *lps )
*/
HDC WINAPI GetDCEx( HWND hwnd, HRGN hrgnClip, DWORD flags )
{
static const DWORD clip_flags = DCX_PARENTCLIP | DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW;
struct dce *dce;
BOOL bUpdateVisRgn = TRUE;
HWND parent;
LONG window_style = GetWindowLongW( hwnd, GWL_STYLE );
if (!hwnd) hwnd = GetDesktopWindow();
else hwnd = WIN_GetFullHandle( hwnd );
return USER_Driver->pGetDCEx( hwnd, hrgnClip, flags );
TRACE("hwnd %p, hrgnClip %p, flags %08x\n", hwnd, hrgnClip, flags);
/* fixup flags */
if (flags & (DCX_WINDOW | DCX_PARENTCLIP)) flags |= DCX_CACHE;
if (flags & DCX_USESTYLE)
{
flags &= ~(DCX_CLIPCHILDREN | DCX_CLIPSIBLINGS | DCX_PARENTCLIP);
if (window_style & WS_CLIPSIBLINGS) flags |= DCX_CLIPSIBLINGS;
if (!(flags & DCX_WINDOW))
{
if (GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC) flags |= DCX_PARENTCLIP;
if (window_style & WS_CLIPCHILDREN && !(window_style & WS_MINIMIZE))
flags |= DCX_CLIPCHILDREN;
}
}
if (flags & DCX_WINDOW) flags &= ~DCX_CLIPCHILDREN;
parent = GetAncestor( hwnd, GA_PARENT );
if (!parent || (parent == GetDesktopWindow()))
flags = (flags & ~DCX_PARENTCLIP) | DCX_CLIPSIBLINGS;
/* it seems parent clip is ignored when clipping siblings or children */
if (flags & (DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN)) flags &= ~DCX_PARENTCLIP;
if( flags & DCX_PARENTCLIP )
{
LONG parent_style = GetWindowLongW( parent, GWL_STYLE );
if( (window_style & WS_VISIBLE) && (parent_style & WS_VISIBLE) )
{
flags &= ~DCX_CLIPCHILDREN;
if (parent_style & WS_CLIPSIBLINGS) flags |= DCX_CLIPSIBLINGS;
}
}
/* find a suitable DCE */
if ((flags & DCX_CACHE) || !(dce = get_window_dce( hwnd )))
{
struct dce *dceEmpty = NULL, *dceUnused = NULL;
/* Strategy: First, we attempt to find a non-empty but unused DCE with
* compatible flags. Next, we look for an empty entry. If the cache is
* full we have to purge one of the unused entries.
*/
USER_Lock();
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
if ((dce->flags & DCX_CACHE) && !dce->count)
{
dceUnused = dce;
if (!dce->hwnd) dceEmpty = dce;
else if ((dce->hwnd == hwnd) && !((dce->flags ^ flags) & clip_flags))
{
TRACE("\tfound valid %p dce [%p], flags %08x\n",
dce, hwnd, dce->flags );
bUpdateVisRgn = FALSE;
break;
}
}
}
if (&dce->entry == &dce_list) /* nothing found */
dce = dceEmpty ? dceEmpty : dceUnused;
if (dce) dce->count = 1;
USER_Unlock();
/* if there's no dce empty or unused, allocate a new one */
if (!dce)
{
if (!(dce = alloc_dce())) return 0;
dce->flags = DCX_CACHE;
USER_Lock();
list_add_head( &dce_list, &dce->entry );
USER_Unlock();
}
}
else
{
flags |= DCX_NORESETATTRS;
if (dce->hwnd == hwnd)
{
TRACE("\tskipping hVisRgn update\n");
bUpdateVisRgn = FALSE; /* updated automatically, via DCHook() */
}
else
{
/* we should free dce->clip_rgn here, but Windows apparently doesn't */
dce->flags &= ~(DCX_EXCLUDERGN | DCX_INTERSECTRGN);
dce->clip_rgn = 0;
}
}
if (flags & (DCX_INTERSECTRGN | DCX_EXCLUDERGN))
{
/* if the extra clip region has changed, get rid of the old one */
if (dce->clip_rgn != hrgnClip || ((flags ^ dce->flags) & (DCX_INTERSECTRGN | DCX_EXCLUDERGN)))
delete_clip_rgn( dce );
dce->clip_rgn = hrgnClip;
if (!dce->clip_rgn) dce->clip_rgn = CreateRectRgn( 0, 0, 0, 0 );
dce->flags |= flags & (DCX_INTERSECTRGN | DCX_EXCLUDERGN);
bUpdateVisRgn = TRUE;
}
dce->hwnd = hwnd;
dce->flags = (dce->flags & ~clip_flags) | (flags & clip_flags);
if (SetHookFlags( dce->hdc, DCHF_VALIDATEVISRGN )) bUpdateVisRgn = TRUE; /* DC was dirty */
if (bUpdateVisRgn) update_visible_region( dce );
if (!(flags & DCX_NORESETATTRS))
{
RestoreDC( dce->hdc, 1 ); /* initial save level is always 1 */
SaveDC( dce->hdc ); /* save the state again for next time */
}
TRACE("(%p,%p,0x%x): returning %p\n", hwnd, hrgnClip, flags, dce->hdc);
return dce->hdc;
}
@ -511,16 +1078,23 @@ HDC WINAPI GetWindowDC( HWND hwnd )
*/
INT WINAPI ReleaseDC( HWND hwnd, HDC hdc )
{
return USER_Driver->pReleaseDC( hwnd, hdc, FALSE );
return release_dc( hwnd, hdc, FALSE );
}
/**********************************************************************
* WindowFromDC (USER32.@)
*/
HWND WINAPI WindowFromDC( HDC hDC )
HWND WINAPI WindowFromDC( HDC hdc )
{
return USER_Driver->pWindowFromDC( hDC );
struct dce *dce;
HWND hwnd = 0;
USER_Lock();
dce = (struct dce *)GetDCHook( hdc, NULL );
if (dce) hwnd = dce->hwnd;
USER_Unlock();
return hwnd;
}

1
dlls/user32/tests/dce.c
View File

@ -385,7 +385,6 @@ static void test_invisible_create(void)
dc1 = GetDC(hwnd_owndc);
dc2 = GetDC(hwnd_owndc);
todo_wine
ok(dc1 == dc2, "expected owndc dcs to match\n");
ReleaseDC(hwnd_owndc, dc2);

1
dlls/user32/user32.spec
View File

@ -794,3 +794,4 @@
@ cdecl WINPOS_ShowIconTitle(long long)
@ cdecl WIN_GetPtr(long)
@ cdecl WIN_SetStyle(long long long)
@ cdecl WIN_invalidate_dce(long ptr) invalidate_dce

9
dlls/user32/user_private.h
View File

@ -144,9 +144,9 @@ typedef struct tagUSER_DRIVER {
BOOL (*pCreateDesktopWindow)(HWND);
BOOL (*pCreateWindow)(HWND);
void (*pDestroyWindow)(HWND);
HDC (*pGetDCEx)(HWND,HRGN,DWORD);
void (*pGetDC)(HDC,HWND,HWND,const RECT *,const RECT *,DWORD);
DWORD (*pMsgWaitForMultipleObjectsEx)(DWORD,const HANDLE*,DWORD,DWORD,DWORD);
INT (*pReleaseDC)(HWND,HDC,BOOL);
void (*pReleaseDC)(HWND,HDC);
BOOL (*pScrollDC)(HDC, INT, INT, const RECT *, const RECT *, HRGN, LPRECT);
void (*pSetFocus)(HWND);
void (*pSetParent)(HWND,HWND,HWND);
@ -157,7 +157,6 @@ typedef struct tagUSER_DRIVER {
void (*pSetWindowText)(HWND,LPCWSTR);
BOOL (*pShowWindow)(HWND,INT);
void (*pSysCommandSizeMove)(HWND,WPARAM);
HWND (*pWindowFromDC)(HDC);
LRESULT (*pWindowMessage)(HWND,UINT,WPARAM,LPARAM);
} USER_DRIVER;
@ -231,9 +230,13 @@ extern HMODULE user32_module DECLSPEC_HIDDEN;
extern DWORD USER16_AlertableWait DECLSPEC_HIDDEN;
extern HBRUSH SYSCOLOR_55AABrush DECLSPEC_HIDDEN;
struct dce;
extern BOOL CLIPBOARD_ReleaseOwner(void) DECLSPEC_HIDDEN;
extern BOOL FOCUS_MouseActivate( HWND hwnd ) DECLSPEC_HIDDEN;
extern BOOL HOOK_IsHooked( INT id ) DECLSPEC_HIDDEN;
extern void free_dce( struct dce *dce, HWND hwnd ) DECLSPEC_HIDDEN;
extern void invalidate_dce( HWND hwnd, const RECT *rect ) DECLSPEC_HIDDEN;
extern void erase_now( HWND hwnd, UINT rdw_flags ) DECLSPEC_HIDDEN;
extern void *get_hook_proc( void *proc, const WCHAR *module );
extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;

8
dlls/user32/win.c
View File

@ -522,7 +522,11 @@ ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
}
SERVER_END_REQ;
WIN_ReleasePtr( win );
if (ok) USER_Driver->pSetWindowStyle( hwnd, old_style );
if (ok)
{
USER_Driver->pSetWindowStyle( hwnd, old_style );
if ((old_style ^ new_style) & WS_VISIBLE) invalidate_dce( hwnd, NULL );
}
return old_style;
}
@ -631,6 +635,8 @@ LRESULT WIN_DestroyWindow( HWND hwnd )
if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
menu = (HMENU)wndPtr->wIDmenu;
sys_menu = wndPtr->hSysMenu;
free_dce( wndPtr->dce, hwnd );
wndPtr->dce = NULL;
WIN_ReleasePtr( wndPtr );
if (menu) DestroyMenu( menu );

12
dlls/user32/winpos.c
View File

@ -276,6 +276,7 @@ int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
if (!bRedraw) swp_flags |= SWP_NOREDRAW;
SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
invalidate_dce( hwnd, NULL );
}
return ret;
}
@ -1590,11 +1591,13 @@ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
{
WND *win;
BOOL ret;
RECT visible_rect;
RECT visible_rect, old_window_rect;
DWORD new_style;
if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
old_window_rect = win->rectWindow;
SERVER_START_REQ( set_window_pos )
{
req->handle = hwnd;
@ -1623,11 +1626,18 @@ BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
}
}
SERVER_END_REQ;
new_style = win->dwStyle;
WIN_ReleasePtr( win );
if (ret)
{
USER_Driver->pSetWindowPos( hwnd, insert_after, swp_flags, window_rect,
client_rect, &visible_rect, valid_rects );
if ((((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) && (new_style & WS_VISIBLE)) ||
(swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW)))
invalidate_dce( hwnd, &old_window_rect );
}
return ret;
}

1
dlls/winex11.drv/Makefile.in
View File

@ -14,7 +14,6 @@ C_SRCS = \
clipboard.c \
clipping.c \
codepage.c \
dce.c \
desktop.c \
dib.c \
dib_convert.c \

655
dlls/winex11.drv/dce.c
View File

@ -1,655 +0,0 @@
/*
* USER DCE functions
*
* Copyright 1993, 2005 Alexandre Julliard
* Copyright 1996, 1997 Alex Korobka
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <assert.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "win.h"
#include "windef.h"
#include "wingdi.h"
#include "x11drv.h"
#include "wine/server.h"
#include "wine/list.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dc);
struct dce
{
struct list entry; /* entry in global DCE list */
HDC hdc;
HWND hwnd;
HRGN clip_rgn;
DWORD flags;
void *class_ptr; /* ptr to identify window class for class DCEs */
ULONG count; /* usage count; 0 or 1 for cache DCEs, always 1 for window DCEs,
always >= 1 for class DCEs */
};
static struct list dce_list = LIST_INIT(dce_list);
static BOOL CALLBACK dc_hook( HDC hDC, WORD code, DWORD_PTR data, LPARAM lParam );
static CRITICAL_SECTION dce_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &dce_section,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": dce_section") }
};
static CRITICAL_SECTION dce_section = { &critsect_debug, -1, 0, 0, 0, 0 };
static const WCHAR displayW[] = { 'D','I','S','P','L','A','Y',0 };
/***********************************************************************
* dump_cache
*/
static void dump_cache(void)
{
struct dce *dce;
EnterCriticalSection( &dce_section );
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
TRACE("%p: hwnd %p dcx %08x %s %s\n",
dce, dce->hwnd, dce->flags,
(dce->flags & DCX_CACHE) ? "Cache" : "Owned",
dce->count ? "InUse" : "" );
}
LeaveCriticalSection( &dce_section );
}
/***********************************************************************
* update_visible_region
*
* Set the visible region and X11 drawable for the DC associated to
* a given window.
*/
static void update_visible_region( struct dce *dce )
{
NTSTATUS status;
HRGN vis_rgn = 0;
HWND top = 0;
struct x11drv_escape_set_drawable escape;
struct x11drv_win_data *data;
DWORD flags = dce->flags;
size_t size = 256;
/* don't clip siblings if using parent clip region */
if (flags & DCX_PARENTCLIP) flags &= ~DCX_CLIPSIBLINGS;
/* fetch the visible region from the server */
do
{
RGNDATA *data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 );
if (!data) return;
SERVER_START_REQ( get_visible_region )
{
req->window = dce->hwnd;
req->flags = flags;
wine_server_set_reply( req, data->Buffer, size );
if (!(status = wine_server_call( req )))
{
size_t reply_size = wine_server_reply_size( reply );
data->rdh.dwSize = sizeof(data->rdh);
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = reply_size / sizeof(RECT);
data->rdh.nRgnSize = reply_size;
vis_rgn = ExtCreateRegion( NULL, size, data );
top = reply->top_win;
escape.dc_rect.left = reply->win_rect.left - reply->top_rect.left;
escape.dc_rect.top = reply->win_rect.top - reply->top_rect.top;
escape.dc_rect.right = reply->win_rect.right - reply->top_rect.left;
escape.dc_rect.bottom = reply->win_rect.bottom - reply->top_rect.top;
escape.drawable_rect.left = reply->top_rect.left;
escape.drawable_rect.top = reply->top_rect.top;
escape.drawable_rect.right = reply->top_rect.right;
escape.drawable_rect.bottom = reply->top_rect.bottom;
}
else size = reply->total_size;
}
SERVER_END_REQ;
HeapFree( GetProcessHeap(), 0, data );
} while (status == STATUS_BUFFER_OVERFLOW);
if (status || !vis_rgn) return;
if (dce->clip_rgn) CombineRgn( vis_rgn, vis_rgn, dce->clip_rgn,
(flags & DCX_INTERSECTRGN) ? RGN_AND : RGN_DIFF );
escape.fbconfig_id = 0;
escape.gl_drawable = 0;
escape.pixmap = 0;
if (top == dce->hwnd && ((data = X11DRV_get_win_data( dce->hwnd )) != NULL) &&
IsIconic( dce->hwnd ) && data->icon_window)
{
escape.drawable = data->icon_window;
}
else if (top == dce->hwnd && (flags & DCX_WINDOW))
{
escape.drawable = X11DRV_get_whole_window( top );
}
else
{
escape.drawable = X11DRV_get_client_window( top );
escape.fbconfig_id = X11DRV_get_fbconfig_id( dce->hwnd );
escape.gl_drawable = X11DRV_get_gl_drawable( dce->hwnd );
escape.pixmap = X11DRV_get_gl_pixmap( dce->hwnd );
}
escape.code = X11DRV_SET_DRAWABLE;
escape.mode = IncludeInferiors;
ExtEscape( dce->hdc, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL );
/* map region to DC coordinates */
OffsetRgn( vis_rgn,
-(escape.drawable_rect.left + escape.dc_rect.left),
-(escape.drawable_rect.top + escape.dc_rect.top) );
SelectVisRgn( dce->hdc, vis_rgn );
DeleteObject( vis_rgn );
}
/***********************************************************************
* release_dce
*/
static void release_dce( struct dce *dce )
{
struct x11drv_escape_set_drawable escape;
if (!dce->hwnd) return; /* already released */
if (dce->clip_rgn) DeleteObject( dce->clip_rgn );
dce->clip_rgn = 0;
dce->hwnd = 0;
dce->flags &= DCX_CACHE;
escape.code = X11DRV_SET_DRAWABLE;
escape.drawable = root_window;
escape.mode = IncludeInferiors;
escape.drawable_rect = virtual_screen_rect;
SetRect( &escape.dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
virtual_screen_rect.bottom - virtual_screen_rect.top );
escape.fbconfig_id = 0;
escape.gl_drawable = 0;
escape.pixmap = 0;
ExtEscape( dce->hdc, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL );
}
/***********************************************************************
* delete_clip_rgn
*/
static void delete_clip_rgn( struct dce *dce )
{
if (!dce->clip_rgn) return; /* nothing to do */
dce->flags &= ~(DCX_EXCLUDERGN | DCX_INTERSECTRGN);
DeleteObject( dce->clip_rgn );
dce->clip_rgn = 0;
/* make it dirty so that the vis rgn gets recomputed next time */
SetHookFlags( dce->hdc, DCHF_INVALIDATEVISRGN );
}
/***********************************************************************
* alloc_cache_dce
*
* Allocate a new cache DCE.
*/
static struct dce *alloc_cache_dce(void)
{
struct dce *dce;
if (!(dce = HeapAlloc( GetProcessHeap(), 0, sizeof(*dce) ))) return NULL;
if (!(dce->hdc = CreateDCW( displayW, NULL, NULL, NULL )))
{
HeapFree( GetProcessHeap(), 0, dce );
return 0;
}
SaveDC( dce->hdc );
/* store DCE handle in DC hook data field */
SetDCHook( dce->hdc, dc_hook, (DWORD_PTR)dce );
dce->hwnd = 0;
dce->clip_rgn = 0;
dce->flags = DCX_CACHE;
dce->class_ptr = NULL;
dce->count = 1;
EnterCriticalSection( &dce_section );
list_add_head( &dce_list, &dce->entry );
LeaveCriticalSection( &dce_section );
return dce;
}
/***********************************************************************
* alloc_window_dce
*
* Allocate a DCE for a newly created window if necessary.
*/
void alloc_window_dce( struct x11drv_win_data *data )
{
struct dce *dce;
void *class_ptr = NULL;
LONG style = GetClassLongW( data->hwnd, GCL_STYLE );
if (!(style & (CS_CLASSDC|CS_OWNDC))) return; /* nothing to do */
if (!(style & CS_OWNDC)) /* class dc */
{
/* hack: get the class pointer from the window structure */
WND *win = WIN_GetPtr( data->hwnd );
class_ptr = win->class;
WIN_ReleasePtr( win );
EnterCriticalSection( &dce_section );
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
if (dce->class_ptr == class_ptr)
{
dce->count++;
data->dce = dce;
LeaveCriticalSection( &dce_section );
return;
}
}
LeaveCriticalSection( &dce_section );
}
/* now allocate a new one */
if (!(dce = HeapAlloc( GetProcessHeap(), 0, sizeof(*dce) ))) return;
if (!(dce->hdc = CreateDCW( displayW, NULL, NULL, NULL )))
{
HeapFree( GetProcessHeap(), 0, dce );
return;
}
/* store DCE handle in DC hook data field */
SetDCHook( dce->hdc, dc_hook, (DWORD_PTR)dce );
dce->hwnd = data->hwnd;
dce->clip_rgn = 0;
dce->flags = 0;
dce->class_ptr = class_ptr;
dce->count = 1;
if (style & CS_OWNDC)
{
LONG win_style = GetWindowLongW( data->hwnd, GWL_STYLE );
if (win_style & WS_CLIPCHILDREN) dce->flags |= DCX_CLIPCHILDREN;
if (win_style & WS_CLIPSIBLINGS) dce->flags |= DCX_CLIPSIBLINGS;
}
SetHookFlags( dce->hdc, DCHF_INVALIDATEVISRGN );
EnterCriticalSection( &dce_section );
list_add_tail( &dce_list, &dce->entry );
LeaveCriticalSection( &dce_section );
data->dce = dce;
}
/***********************************************************************
* free_window_dce
*
* Free a class or window DCE.
*/
void free_window_dce( struct x11drv_win_data *data )
{
struct dce *dce = data->dce;
if (dce)
{
EnterCriticalSection( &dce_section );
if (!--dce->count)
{
list_remove( &dce->entry );
SetDCHook(dce->hdc, NULL, 0L);
DeleteDC( dce->hdc );
if (dce->clip_rgn) DeleteObject( dce->clip_rgn );
HeapFree( GetProcessHeap(), 0, dce );
}
else if (dce->hwnd == data->hwnd)
{
release_dce( dce );
}
LeaveCriticalSection( &dce_section );
data->dce = NULL;
}
/* now check for cache DCEs */
EnterCriticalSection( &dce_section );
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
if (dce->hwnd != data->hwnd) continue;
if (!(dce->flags & DCX_CACHE)) continue;
if (dce->count) WARN( "GetDC() without ReleaseDC() for window %p\n", data->hwnd );
release_dce( dce );
dce->count = 0;
}
LeaveCriticalSection( &dce_section );
}
/***********************************************************************
* invalidate_dce
*
* It is called from SetWindowPos() - we have to
* mark as dirty all busy DCEs for windows that have pWnd->parent as
* an ancestor and whose client rect intersects with specified update
* rectangle. In addition, pWnd->parent DCEs may need to be updated if
* DCX_CLIPCHILDREN flag is set.
*/
void invalidate_dce( HWND hwnd, const RECT *rect )
{
HWND hwndScope = GetAncestor( hwnd, GA_PARENT );
if( hwndScope )
{
struct dce *dce;
TRACE("scope hwnd = %p %s\n", hwndScope, wine_dbgstr_rect(rect) );
if (TRACE_ON(dc)) dump_cache();
/* walk all DCEs and fixup non-empty entries */
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
if (!dce->hwnd) continue;
if ((dce->hwnd == hwndScope) && !(dce->flags & DCX_CLIPCHILDREN))
continue; /* child window positions don't bother us */
/* check if DCE window is within the z-order scope */
if (hwndScope == dce->hwnd || hwndScope == GetDesktopWindow() || IsChild( hwndScope, dce->hwnd ))
{
if (hwnd != dce->hwnd)
{
/* check if the window rectangle intersects this DCE window */
RECT tmp;
GetWindowRect( dce->hwnd, &tmp );
MapWindowPoints( 0, hwndScope, (POINT *)&tmp, 2 );
if (!IntersectRect( &tmp, &tmp, rect )) continue;
}
if (!dce->count)
{
/* Don't bother with visible regions of unused DCEs */
TRACE("\tpurged %p dce [%p]\n", dce, dce->hwnd);
release_dce( dce );
}
else
{
/* Set dirty bits in the hDC and DCE structs */
TRACE("\tfixed up %p dce [%p]\n", dce, dce->hwnd);
SetHookFlags( dce->hdc, DCHF_INVALIDATEVISRGN );
}
}
} /* dce list */
}
}
/***********************************************************************
* X11DRV_GetDCEx (X11DRV.@)
*
* Unimplemented flags: DCX_LOCKWINDOWUPDATE
*/
HDC X11DRV_GetDCEx( HWND hwnd, HRGN hrgnClip, DWORD flags )
{
static const DWORD clip_flags = DCX_PARENTCLIP | DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW;
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
struct dce *dce;
BOOL bUpdateVisRgn = TRUE;
HWND parent;
LONG window_style = GetWindowLongW( hwnd, GWL_STYLE );
TRACE("hwnd %p, hrgnClip %p, flags %08x\n", hwnd, hrgnClip, flags);
/* fixup flags */
if (flags & (DCX_WINDOW | DCX_PARENTCLIP)) flags |= DCX_CACHE;
if (flags & DCX_USESTYLE)
{
flags &= ~(DCX_CLIPCHILDREN | DCX_CLIPSIBLINGS | DCX_PARENTCLIP);
if (window_style & WS_CLIPSIBLINGS) flags |= DCX_CLIPSIBLINGS;
if (!(flags & DCX_WINDOW))
{
if (GetClassLongW( hwnd, GCL_STYLE ) & CS_PARENTDC) flags |= DCX_PARENTCLIP;
if (window_style & WS_CLIPCHILDREN && !(window_style & WS_MINIMIZE))
flags |= DCX_CLIPCHILDREN;
if (!data || !data->dce) flags |= DCX_CACHE;
}
}
if (flags & DCX_WINDOW) flags &= ~DCX_CLIPCHILDREN;
parent = GetAncestor( hwnd, GA_PARENT );
if (!parent || (parent == GetDesktopWindow()))
flags = (flags & ~DCX_PARENTCLIP) | DCX_CLIPSIBLINGS;
/* it seems parent clip is ignored when clipping siblings or children */
if (flags & (DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN)) flags &= ~DCX_PARENTCLIP;
if( flags & DCX_PARENTCLIP )
{
LONG parent_style = GetWindowLongW( parent, GWL_STYLE );
if( (window_style & WS_VISIBLE) && (parent_style & WS_VISIBLE) )
{
flags &= ~DCX_CLIPCHILDREN;
if (parent_style & WS_CLIPSIBLINGS) flags |= DCX_CLIPSIBLINGS;
}
}
/* find a suitable DCE */
if (flags & DCX_CACHE)
{
struct dce *dceEmpty = NULL, *dceUnused = NULL;
/* Strategy: First, we attempt to find a non-empty but unused DCE with
* compatible flags. Next, we look for an empty entry. If the cache is
* full we have to purge one of the unused entries.
*/
EnterCriticalSection( &dce_section );
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
{
if ((dce->flags & DCX_CACHE) && !dce->count)
{
dceUnused = dce;
if (!dce->hwnd) dceEmpty = dce;
else if ((dce->hwnd == hwnd) && !((dce->flags ^ flags) & clip_flags))
{
TRACE("\tfound valid %p dce [%p], flags %08x\n",
dce, hwnd, dce->flags );
bUpdateVisRgn = FALSE;
break;
}
}
}
if (&dce->entry == &dce_list) /* nothing found */
dce = dceEmpty ? dceEmpty : dceUnused;
if (dce) dce->count = 1;
LeaveCriticalSection( &dce_section );
/* if there's no dce empty or unused, allocate a new one */
if (!dce) dce = alloc_cache_dce();
if (!dce) return 0;
}
else
{
flags |= DCX_NORESETATTRS;
dce = data->dce;
if (dce->hwnd == hwnd)
{
TRACE("\tskipping hVisRgn update\n");
bUpdateVisRgn = FALSE; /* updated automatically, via DCHook() */
}
else
{
/* we should free dce->clip_rgn here, but Windows apparently doesn't */
dce->flags &= ~(DCX_EXCLUDERGN | DCX_INTERSECTRGN);
dce->clip_rgn = 0;
}
}
if (flags & (DCX_INTERSECTRGN | DCX_EXCLUDERGN))
{
/* if the extra clip region has changed, get rid of the old one */
if (dce->clip_rgn != hrgnClip || ((flags ^ dce->flags) & (DCX_INTERSECTRGN | DCX_EXCLUDERGN)))
delete_clip_rgn( dce );
dce->clip_rgn = hrgnClip;
if (!dce->clip_rgn) dce->clip_rgn = CreateRectRgn( 0, 0, 0, 0 );
dce->flags |= flags & (DCX_INTERSECTRGN | DCX_EXCLUDERGN);
bUpdateVisRgn = TRUE;
}
dce->hwnd = hwnd;
dce->flags = (dce->flags & ~clip_flags) | (flags & clip_flags);
if (SetHookFlags( dce->hdc, DCHF_VALIDATEVISRGN ))
bUpdateVisRgn = TRUE; /* DC was dirty */
if (bUpdateVisRgn) update_visible_region( dce );
if (!(flags & DCX_NORESETATTRS))
{
RestoreDC( dce->hdc, 1 ); /* initial save level is always 1 */
SaveDC( dce->hdc ); /* save the state again for next time */
}
TRACE("(%p,%p,0x%x): returning %p\n", hwnd, hrgnClip, flags, dce->hdc);
return dce->hdc;
}
/***********************************************************************
* X11DRV_ReleaseDC (X11DRV.@)
*/
INT X11DRV_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
{
struct dce *dce;
BOOL ret = FALSE;
TRACE("%p %p\n", hwnd, hdc );
EnterCriticalSection( &dce_section );
dce = (struct dce *)GetDCHook( hdc, NULL );
if (dce && dce->count)
{
if (end_paint || (dce->flags & DCX_CACHE)) delete_clip_rgn( dce );
if (dce->flags & DCX_CACHE) dce->count = 0;
ret = TRUE;
}
LeaveCriticalSection( &dce_section );
return ret;
}
/***********************************************************************
* dc_hook
*
* See "Undoc. Windows" for hints (DC, SetDCHook, SetHookFlags)..
*/
static BOOL CALLBACK dc_hook( HDC hDC, WORD code, DWORD_PTR data, LPARAM lParam )
{
BOOL retv = TRUE;
struct dce *dce = (struct dce *)data;
TRACE("hDC = %p, %u\n", hDC, code);
if (!dce) return 0;
assert( dce->hdc == hDC );
switch( code )
{
case DCHC_INVALIDVISRGN:
/* GDI code calls this when it detects that the
* DC is dirty (usually after SetHookFlags()). This
* means that we have to recompute the visible region.
*/
if (dce->count) update_visible_region( dce );
else /* non-fatal but shouldn't happen */
WARN("DC is not in use!\n");
break;
case DCHC_DELETEDC:
/*
* Windows will not let you delete a DC that is busy
* (between GetDC and ReleaseDC)
*/
if (dce->count)
{
WARN("Application trying to delete a busy DC %p\n", dce->hdc);
retv = FALSE;
}
else
{
EnterCriticalSection( &dce_section );
list_remove( &dce->entry );
LeaveCriticalSection( &dce_section );
if (dce->clip_rgn) DeleteObject( dce->clip_rgn );
HeapFree( GetProcessHeap(), 0, dce );
}
break;
}
return retv;
}
/**********************************************************************
* WindowFromDC (X11DRV.@)
*/
HWND X11DRV_WindowFromDC( HDC hdc )
{
struct dce *dce;
HWND hwnd = 0;
EnterCriticalSection( &dce_section );
if ((dce = (struct dce *)GetDCHook( hdc, NULL ))) hwnd = dce->hwnd;
LeaveCriticalSection( &dce_section );
return hwnd;
}

2
dlls/winex11.drv/opengl.c
View File

@ -1468,8 +1468,6 @@ BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
ERR("Couldn't set format of the window, returning failure\n");
return FALSE;
}
physDev->gl_drawable = X11DRV_get_gl_drawable(hwnd);
}
else if(physDev->bitmap) {
if(!(value&GLX_PIXMAP_BIT)) {

115
dlls/winex11.drv/window.c
View File

@ -71,6 +71,8 @@ static const char visual_id_prop[] = "__wine_x11_visual_id";
extern int usexcomposite;
extern void WIN_invalidate_dce( HWND hwnd, const RECT *rect ); /* FIXME: to be removed */
/***********************************************************************
* is_window_managed
*
@ -471,7 +473,7 @@ done:
wine_tsx11_lock();
XFlush( display );
wine_tsx11_unlock();
invalidate_dce( hwnd, &data->window_rect );
WIN_invalidate_dce( hwnd, NULL );
return TRUE;
}
@ -542,7 +544,6 @@ static void sync_gl_drawable(Display *display, struct x11drv_win_data *data)
SetPropA(data->hwnd, gl_drawable_prop, (HANDLE)data->gl_drawable);
SetPropA(data->hwnd, pixmap_prop, (HANDLE)data->pixmap);
invalidate_dce( data->hwnd, &data->window_rect );
}
@ -1307,7 +1308,6 @@ void X11DRV_DestroyWindow( HWND hwnd )
wine_tsx11_unlock();
}
free_window_dce( data );
destroy_whole_window( display, data );
destroy_icon_window( display, data );
@ -1489,9 +1489,6 @@ struct x11drv_win_data *X11DRV_create_win_data( HWND hwnd )
hwnd, data->whole_window, data->client_window, wine_dbgstr_rect( &data->window_rect ),
wine_dbgstr_rect( &data->whole_rect ), wine_dbgstr_rect( &data->client_rect ));
}
/* get class or window DC if needed */
alloc_window_dce( data );
return data;
}
@ -1532,47 +1529,6 @@ Window X11DRV_get_client_window( HWND hwnd )
}
/***********************************************************************
* X11DRV_get_fbconfig_id
*
* Return the GLXFBConfig ID of the drawable used by the window for
* OpenGL rendering. This is 0 for windows without a pixel format set.
*/
XID X11DRV_get_fbconfig_id( HWND hwnd )
{
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
if (!data) return (XID)GetPropA( hwnd, fbconfig_id_prop );
return data->fbconfig_id;
}
/***********************************************************************
* X11DRV_get_gl_drawable
*
* Return the GL drawable for this window.
*/
Drawable X11DRV_get_gl_drawable( HWND hwnd )
{
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
if (!data) return (Drawable)GetPropA( hwnd, gl_drawable_prop );
return data->gl_drawable;
}
/***********************************************************************
* X11DRV_get_gl_pixmap
*
* Return the Pixmap associated with the GL drawable (if any) for this window.
*/
Pixmap X11DRV_get_gl_pixmap( HWND hwnd )
{
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
if (!data) return (Pixmap)GetPropA( hwnd, pixmap_prop );
return data->pixmap;
}
/***********************************************************************
* X11DRV_get_ic
*
@ -1587,6 +1543,70 @@ XIC X11DRV_get_ic( HWND hwnd )
}
/***********************************************************************
* X11DRV_GetDC (X11DRV.@)
*/
void X11DRV_GetDC( HDC hdc, HWND hwnd, HWND top, const RECT *win_rect,
const RECT *top_rect, DWORD flags )
{
struct x11drv_escape_set_drawable escape;
struct x11drv_win_data *data = X11DRV_get_win_data( hwnd );
escape.code = X11DRV_SET_DRAWABLE;
escape.mode = IncludeInferiors;
escape.fbconfig_id = 0;
escape.gl_drawable = 0;
escape.pixmap = 0;
if (top == hwnd && data && IsIconic( hwnd ) && data->icon_window)
{
escape.drawable = data->icon_window;
}
else if (top == hwnd && (flags & DCX_WINDOW))
{
escape.drawable = data ? data->whole_window : X11DRV_get_whole_window( hwnd );
}
else
{
escape.drawable = X11DRV_get_client_window( top );
escape.fbconfig_id = data ? data->fbconfig_id : (XID)GetPropA( hwnd, fbconfig_id_prop );
escape.gl_drawable = data ? data->gl_drawable : (Drawable)GetPropA( hwnd, gl_drawable_prop );
escape.pixmap = data ? data->pixmap : (Pixmap)GetPropA( hwnd, pixmap_prop );
}
escape.dc_rect.left = win_rect->left - top_rect->left;
escape.dc_rect.top = win_rect->top - top_rect->top;
escape.dc_rect.right = win_rect->right - top_rect->left;
escape.dc_rect.bottom = win_rect->bottom - top_rect->top;
escape.drawable_rect.left = top_rect->left;
escape.drawable_rect.top = top_rect->top;
escape.drawable_rect.right = top_rect->right;
escape.drawable_rect.bottom = top_rect->bottom;
ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL );
}
/***********************************************************************
* X11DRV_ReleaseDC (X11DRV.@)
*/
void X11DRV_ReleaseDC( HWND hwnd, HDC hdc )
{
struct x11drv_escape_set_drawable escape;
escape.code = X11DRV_SET_DRAWABLE;
escape.drawable = root_window;
escape.mode = IncludeInferiors;
escape.drawable_rect = virtual_screen_rect;
SetRect( &escape.dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
virtual_screen_rect.bottom - virtual_screen_rect.top );
escape.fbconfig_id = 0;
escape.gl_drawable = 0;
escape.pixmap = 0;
ExtEscape( hdc, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL );
}
/*****************************************************************
* SetParent (X11DRV.@)
*/
@ -1708,7 +1728,6 @@ int X11DRV_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
if ((data = X11DRV_get_win_data( hwnd )))
{
sync_window_region( thread_display(), data, hrgn );
invalidate_dce( hwnd, &data->window_rect );
}
else if (GetWindowThreadProcessId( hwnd, NULL ) != GetCurrentThreadId())
{

5
dlls/winex11.drv/winex11.drv.spec
View File

@ -96,11 +96,11 @@
@ cdecl EnumClipboardFormats(long) X11DRV_EnumClipboardFormats
@ cdecl GetClipboardData(long ptr ptr) X11DRV_GetClipboardData
@ cdecl GetClipboardFormatName(long ptr long) X11DRV_GetClipboardFormatName
@ cdecl GetDCEx(long long long) X11DRV_GetDCEx
@ cdecl GetDC(long long long ptr ptr long) X11DRV_GetDC
@ cdecl IsClipboardFormatAvailable(long) X11DRV_IsClipboardFormatAvailable
@ cdecl MsgWaitForMultipleObjectsEx(long ptr long long long) X11DRV_MsgWaitForMultipleObjectsEx
@ cdecl RegisterClipboardFormat(wstr) X11DRV_RegisterClipboardFormat
@ cdecl ReleaseDC(long long long) X11DRV_ReleaseDC
@ cdecl ReleaseDC(long long) X11DRV_ReleaseDC
@ cdecl ScrollDC(long long long ptr ptr long ptr) X11DRV_ScrollDC
@ cdecl SetClipboardData(long long long long) X11DRV_SetClipboardData
@ cdecl SetFocus(long) X11DRV_SetFocus
@ -112,7 +112,6 @@
@ cdecl SetWindowText(long wstr) X11DRV_SetWindowText
@ cdecl ShowWindow(long long) X11DRV_ShowWindow
@ cdecl SysCommandSizeMove(long long) X11DRV_SysCommandSizeMove
@ cdecl WindowFromDC(long) X11DRV_WindowFromDC
@ cdecl WindowMessage(long long long long) X11DRV_WindowMessage
# WinTab32

21
dlls/winex11.drv/winpos.c
View File

@ -141,15 +141,11 @@ void X11DRV_SetWindowStyle( HWND hwnd, DWORD old_style )
new_style = GetWindowLongW( hwnd, GWL_STYLE );
changed = new_style ^ old_style;
if (changed & WS_VISIBLE)
if ((changed & WS_VISIBLE) && (new_style & WS_VISIBLE))
{
data = X11DRV_get_win_data( hwnd );
if (data) invalidate_dce( hwnd, &data->window_rect );
/* we don't unmap windows, that causes trouble with the window manager */
if (!(new_style & WS_VISIBLE)) return;
if (!data && !(data = X11DRV_create_win_data( hwnd ))) return;
if (!(data = X11DRV_get_win_data( hwnd )) &&
!(data = X11DRV_create_win_data( hwnd ))) return;
if (data->whole_window && X11DRV_is_window_rect_mapped( &data->window_rect ))
{
@ -361,15 +357,6 @@ void X11DRV_SetWindowPos( HWND hwnd, HWND insert_after, UINT swp_flags,
SERVER_END_REQ;
}
/* invalidate DCEs */
if ((((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) && (new_style & WS_VISIBLE)) ||
(swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW)))
{
RECT rect;
UnionRect( &rect, rectWindow, &old_window_rect );
invalidate_dce( hwnd, &rect );
}
TRACE( "win %p window %s client %s style %08x\n",
hwnd, wine_dbgstr_rect(rectWindow), wine_dbgstr_rect(rectClient), new_style );
@ -788,8 +775,6 @@ void X11DRV_MapNotify( HWND hwnd, XEvent *event )
OffsetRect( &rect, virtual_screen_rect.left, virtual_screen_rect.top );
X11DRV_X_to_window_rect( data, &rect );
invalidate_dce( hwnd, &data->window_rect );
if (win->flags & WIN_RESTORE_MAX) style |= WS_MAXIMIZE;
WIN_SetStyle( hwnd, style, WS_MINIMIZE );
WIN_ReleasePtr( win );

14
dlls/winex11.drv/x11drv.h
View File

@ -492,12 +492,6 @@ struct x11drv_escape_set_drawable
Pixmap pixmap; /* Pixmap for a GLXPixmap gl_drawable */
};
struct x11drv_escape_set_dce
{
enum x11drv_escape_codes code; /* escape code (X11DRV_SET_DRAWABLE) */
struct dce *dce; /* pointer to DCE (opaque ptr for GDI) */
};
/**************************************************************************
* X11 USER driver
*/
@ -676,7 +670,6 @@ struct x11drv_win_data
BOOL managed : 1; /* is window managed? */
BOOL mapped : 1; /* is window mapped? (in either normal or iconic state) */
DWORD wm_state; /* bit mask of active x11drv_wm_state values */
struct dce *dce; /* DCE for CS_OWNDC or CS_CLASSDC windows */
unsigned int lock_changes; /* lock count for X11 change requests */
HBITMAP hWMIconBitmap;
HBITMAP hWMIconMask;
@ -686,9 +679,6 @@ extern struct x11drv_win_data *X11DRV_get_win_data( HWND hwnd );
extern struct x11drv_win_data *X11DRV_create_win_data( HWND hwnd );
extern Window X11DRV_get_whole_window( HWND hwnd );
extern Window X11DRV_get_client_window( HWND hwnd );
extern XID X11DRV_get_fbconfig_id( HWND hwnd );
extern Drawable X11DRV_get_gl_drawable( HWND hwnd );
extern Pixmap X11DRV_get_gl_pixmap( HWND hwnd );
extern BOOL X11DRV_is_window_rect_mapped( const RECT *rect );
extern XIC X11DRV_get_ic( HWND hwnd );
extern BOOL X11DRV_set_win_format( HWND hwnd, XID fbconfig );
@ -699,10 +689,6 @@ extern void mark_drawable_dirty( Drawable old, Drawable new );
extern Drawable create_glxpixmap( Display *display, XVisualInfo *vis, Pixmap parent );
extern void flush_gl_drawable( X11DRV_PDEVICE *physDev );
extern void alloc_window_dce( struct x11drv_win_data *data );
extern void free_window_dce( struct x11drv_win_data *data );
extern void invalidate_dce( HWND hwnd, const RECT *rect );
/* X context to associate a hwnd to an X window */
extern XContext winContext;

1
include/win.h
View File

@ -38,6 +38,7 @@ typedef struct tagWND
HWND parent; /* Window parent */
HWND owner; /* Window owner */
struct tagCLASS *class; /* Window class */
struct dce *dce; /* DCE pointer */
WNDPROC winproc; /* Window procedure */
DWORD dwMagic; /* Magic number (must be WND_MAGIC) */
DWORD tid; /* Owner thread id */