1573 lines
50 KiB
C
1573 lines
50 KiB
C
/*
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* Window painting functions
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*
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* Copyright 1993, 1994, 1995, 2001, 2004, 2005, 2008 Alexandre Julliard
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* Copyright 1996, 1997, 1999 Alex Korobka
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include <assert.h>
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#include <pthread.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "ntgdi_private.h"
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#include "ntuser_private.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(win);
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struct dce
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{
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struct list entry; /* entry in global DCE list */
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HDC hdc;
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HWND hwnd;
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HRGN clip_rgn;
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DWORD flags;
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LONG count; /* usage count; 0 or 1 for cache DCEs, always 1 for window DCEs,
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always >= 1 for class DCEs */
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};
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static struct list dce_list = LIST_INIT(dce_list);
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#define DCE_CACHE_SIZE 64
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static struct list window_surfaces = LIST_INIT( window_surfaces );
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static pthread_mutex_t surfaces_lock = PTHREAD_MUTEX_INITIALIZER;
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/*******************************************************************
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* Dummy window surface for windows that shouldn't get painted.
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*/
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static void dummy_surface_lock( struct window_surface *window_surface )
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{
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/* nothing to do */
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}
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static void dummy_surface_unlock( struct window_surface *window_surface )
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{
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/* nothing to do */
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}
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static void *dummy_surface_get_bitmap_info( struct window_surface *window_surface, BITMAPINFO *info )
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{
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static DWORD dummy_data;
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info->bmiHeader.biSize = sizeof( info->bmiHeader );
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info->bmiHeader.biWidth = dummy_surface.rect.right;
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info->bmiHeader.biHeight = dummy_surface.rect.bottom;
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = 32;
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info->bmiHeader.biCompression = BI_RGB;
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info->bmiHeader.biSizeImage = 0;
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info->bmiHeader.biXPelsPerMeter = 0;
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info->bmiHeader.biYPelsPerMeter = 0;
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info->bmiHeader.biClrUsed = 0;
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info->bmiHeader.biClrImportant = 0;
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return &dummy_data;
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}
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static RECT *dummy_surface_get_bounds( struct window_surface *window_surface )
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{
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static RECT dummy_bounds;
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return &dummy_bounds;
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}
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static void dummy_surface_set_region( struct window_surface *window_surface, HRGN region )
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{
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/* nothing to do */
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}
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static void dummy_surface_flush( struct window_surface *window_surface )
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{
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/* nothing to do */
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}
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static void dummy_surface_destroy( struct window_surface *window_surface )
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{
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/* nothing to do */
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}
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static const struct window_surface_funcs dummy_surface_funcs =
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{
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dummy_surface_lock,
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dummy_surface_unlock,
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dummy_surface_get_bitmap_info,
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dummy_surface_get_bounds,
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dummy_surface_set_region,
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dummy_surface_flush,
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dummy_surface_destroy
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};
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struct window_surface dummy_surface = { &dummy_surface_funcs, { NULL, NULL }, 1, { 0, 0, 1, 1 } };
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/*******************************************************************
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* Off-screen window surface.
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*/
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struct offscreen_window_surface
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{
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struct window_surface header;
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pthread_mutex_t mutex;
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RECT bounds;
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char *bits;
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BITMAPINFO info;
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};
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static const struct window_surface_funcs offscreen_window_surface_funcs;
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static struct offscreen_window_surface *impl_from_window_surface( struct window_surface *base )
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{
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if (!base || base->funcs != &offscreen_window_surface_funcs) return NULL;
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return CONTAINING_RECORD( base, struct offscreen_window_surface, header );
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}
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static void offscreen_window_surface_lock( struct window_surface *base )
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{
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struct offscreen_window_surface *impl = impl_from_window_surface( base );
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pthread_mutex_lock( &impl->mutex );
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}
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static void offscreen_window_surface_unlock( struct window_surface *base )
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{
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struct offscreen_window_surface *impl = impl_from_window_surface( base );
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pthread_mutex_unlock( &impl->mutex );
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}
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static RECT *offscreen_window_surface_get_bounds( struct window_surface *base )
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{
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struct offscreen_window_surface *impl = impl_from_window_surface( base );
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return &impl->bounds;
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}
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static void *offscreen_window_surface_get_bitmap_info( struct window_surface *base, BITMAPINFO *info )
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{
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struct offscreen_window_surface *impl = impl_from_window_surface( base );
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info->bmiHeader = impl->info.bmiHeader;
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return impl->bits;
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}
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static void offscreen_window_surface_set_region( struct window_surface *base, HRGN region )
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{
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}
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static void offscreen_window_surface_flush( struct window_surface *base )
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{
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struct offscreen_window_surface *impl = impl_from_window_surface( base );
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base->funcs->lock( base );
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reset_bounds( &impl->bounds );
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base->funcs->unlock( base );
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}
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static void offscreen_window_surface_destroy( struct window_surface *base )
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{
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struct offscreen_window_surface *impl = impl_from_window_surface( base );
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free( impl );
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}
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static const struct window_surface_funcs offscreen_window_surface_funcs =
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{
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offscreen_window_surface_lock,
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offscreen_window_surface_unlock,
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offscreen_window_surface_get_bitmap_info,
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offscreen_window_surface_get_bounds,
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offscreen_window_surface_set_region,
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offscreen_window_surface_flush,
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offscreen_window_surface_destroy
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};
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void create_offscreen_window_surface( const RECT *visible_rect, struct window_surface **surface )
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{
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struct offscreen_window_surface *impl;
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SIZE_T size;
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RECT surface_rect = *visible_rect;
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pthread_mutexattr_t attr;
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TRACE( "visible_rect %s, surface %p.\n", wine_dbgstr_rect( visible_rect ), surface );
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offset_rect( &surface_rect, -surface_rect.left, -surface_rect.top );
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surface_rect.right = (surface_rect.right + 0x1f) & ~0x1f;
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surface_rect.bottom = (surface_rect.bottom + 0x1f) & ~0x1f;
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/* check that old surface is an offscreen_window_surface, or release it */
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if ((impl = impl_from_window_surface( *surface )))
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{
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/* if the rect didn't change, keep the same surface */
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if (EqualRect( &surface_rect, &impl->header.rect )) return;
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window_surface_release( &impl->header );
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}
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else if (*surface) window_surface_release( *surface );
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/* create a new window surface */
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*surface = NULL;
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size = surface_rect.right * surface_rect.bottom * 4;
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if (!(impl = calloc(1, offsetof( struct offscreen_window_surface, info.bmiColors[0] ) + size))) return;
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impl->header.funcs = &offscreen_window_surface_funcs;
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impl->header.ref = 1;
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impl->header.rect = surface_rect;
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pthread_mutexattr_init( &attr );
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pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_RECURSIVE );
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pthread_mutex_init( &impl->mutex, &attr );
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pthread_mutexattr_destroy( &attr );
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reset_bounds( &impl->bounds );
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impl->bits = (char *)&impl->info.bmiColors[0];
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impl->info.bmiHeader.biSize = sizeof( impl->info );
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impl->info.bmiHeader.biWidth = surface_rect.right;
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impl->info.bmiHeader.biHeight = surface_rect.bottom;
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impl->info.bmiHeader.biPlanes = 1;
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impl->info.bmiHeader.biBitCount = 32;
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impl->info.bmiHeader.biCompression = BI_RGB;
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impl->info.bmiHeader.biSizeImage = size;
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TRACE( "created window surface %p\n", &impl->header );
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*surface = &impl->header;
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}
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/* window surface used to implement the DIB.DRV driver */
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struct dib_window_surface
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{
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struct window_surface header;
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RECT bounds;
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void *bits;
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UINT info_size;
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BITMAPINFO info; /* variable size, must be last */
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};
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static struct dib_window_surface *get_dib_surface( struct window_surface *surface )
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{
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return (struct dib_window_surface *)surface;
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}
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/***********************************************************************
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* dib_surface_lock
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*/
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static void dib_surface_lock( struct window_surface *window_surface )
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{
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/* nothing to do */
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}
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/***********************************************************************
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* dib_surface_unlock
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*/
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static void dib_surface_unlock( struct window_surface *window_surface )
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{
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/* nothing to do */
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}
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/***********************************************************************
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* dib_surface_get_bitmap_info
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*/
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static void *dib_surface_get_bitmap_info( struct window_surface *window_surface, BITMAPINFO *info )
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{
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struct dib_window_surface *surface = get_dib_surface( window_surface );
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memcpy( info, &surface->info, surface->info_size );
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return surface->bits;
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}
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/***********************************************************************
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* dib_surface_get_bounds
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*/
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static RECT *dib_surface_get_bounds( struct window_surface *window_surface )
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{
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struct dib_window_surface *surface = get_dib_surface( window_surface );
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return &surface->bounds;
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}
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/***********************************************************************
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* dib_surface_set_region
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*/
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static void dib_surface_set_region( struct window_surface *window_surface, HRGN region )
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{
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/* nothing to do */
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}
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/***********************************************************************
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* dib_surface_flush
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*/
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static void dib_surface_flush( struct window_surface *window_surface )
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{
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/* nothing to do */
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}
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/***********************************************************************
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* dib_surface_destroy
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*/
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static void dib_surface_destroy( struct window_surface *window_surface )
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{
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struct dib_window_surface *surface = get_dib_surface( window_surface );
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TRACE( "freeing %p\n", surface );
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free( surface );
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}
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static const struct window_surface_funcs dib_surface_funcs =
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{
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dib_surface_lock,
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dib_surface_unlock,
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dib_surface_get_bitmap_info,
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dib_surface_get_bounds,
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dib_surface_set_region,
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dib_surface_flush,
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dib_surface_destroy
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};
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BOOL create_dib_surface( HDC hdc, const BITMAPINFO *info )
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{
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struct dib_window_surface *surface;
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int color = 0;
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HRGN region;
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RECT rect;
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if (info->bmiHeader.biBitCount <= 8)
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color = info->bmiHeader.biClrUsed ? info->bmiHeader.biClrUsed : (1 << info->bmiHeader.biBitCount);
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else if (info->bmiHeader.biCompression == BI_BITFIELDS)
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color = 3;
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surface = calloc( 1, offsetof( struct dib_window_surface, info.bmiColors[color] ));
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if (!surface) return FALSE;
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rect.left = 0;
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rect.top = 0;
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rect.right = info->bmiHeader.biWidth;
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rect.bottom = abs(info->bmiHeader.biHeight);
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surface->header.funcs = &dib_surface_funcs;
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surface->header.rect = rect;
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surface->header.ref = 1;
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surface->info_size = offsetof( BITMAPINFO, bmiColors[color] );
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surface->bits = (char *)info + surface->info_size;
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memcpy( &surface->info, info, surface->info_size );
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TRACE( "created %p %ux%u for info %p bits %p\n",
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surface, rect.right, rect.bottom, info, surface->bits );
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region = NtGdiCreateRectRgn( rect.left, rect.top, rect.right, rect.bottom );
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set_visible_region( hdc, region, &rect, &rect, &surface->header );
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TRACE( "using hdc %p surface %p\n", hdc, surface );
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window_surface_release( &surface->header );
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return TRUE;
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}
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/*******************************************************************
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* register_window_surface
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*
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* Register a window surface in the global list, possibly replacing another one.
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*/
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void register_window_surface( struct window_surface *old, struct window_surface *new )
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{
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if (old == &dummy_surface) old = NULL;
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if (new == &dummy_surface) new = NULL;
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if (old == new) return;
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pthread_mutex_lock( &surfaces_lock );
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if (old) list_remove( &old->entry );
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if (new) list_add_tail( &window_surfaces, &new->entry );
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pthread_mutex_unlock( &surfaces_lock );
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}
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/*******************************************************************
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* flush_window_surfaces
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*
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* Flush pending output from all window surfaces.
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*/
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void flush_window_surfaces( BOOL idle )
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{
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static DWORD last_idle;
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DWORD now;
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struct window_surface *surface;
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pthread_mutex_lock( &surfaces_lock );
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now = NtGetTickCount();
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if (idle) last_idle = now;
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/* if not idle, we only flush if there's evidence that the app never goes idle */
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else if ((int)(now - last_idle) < 50) goto done;
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LIST_FOR_EACH_ENTRY( surface, &window_surfaces, struct window_surface, entry )
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surface->funcs->flush( surface );
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done:
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pthread_mutex_unlock( &surfaces_lock );
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}
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/***********************************************************************
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* dump_rdw_flags
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*/
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static void dump_rdw_flags(UINT flags)
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{
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TRACE("flags:");
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if (flags & RDW_INVALIDATE) TRACE(" RDW_INVALIDATE");
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if (flags & RDW_INTERNALPAINT) TRACE(" RDW_INTERNALPAINT");
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if (flags & RDW_ERASE) TRACE(" RDW_ERASE");
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if (flags & RDW_VALIDATE) TRACE(" RDW_VALIDATE");
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if (flags & RDW_NOINTERNALPAINT) TRACE(" RDW_NOINTERNALPAINT");
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if (flags & RDW_NOERASE) TRACE(" RDW_NOERASE");
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if (flags & RDW_NOCHILDREN) TRACE(" RDW_NOCHILDREN");
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if (flags & RDW_ALLCHILDREN) TRACE(" RDW_ALLCHILDREN");
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if (flags & RDW_UPDATENOW) TRACE(" RDW_UPDATENOW");
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if (flags & RDW_ERASENOW) TRACE(" RDW_ERASENOW");
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if (flags & RDW_FRAME) TRACE(" RDW_FRAME");
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if (flags & RDW_NOFRAME) TRACE(" RDW_NOFRAME");
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#define RDW_FLAGS \
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(RDW_INVALIDATE | \
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RDW_INTERNALPAINT | \
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RDW_ERASE | \
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RDW_VALIDATE | \
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RDW_NOINTERNALPAINT | \
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RDW_NOERASE | \
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RDW_NOCHILDREN | \
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RDW_ALLCHILDREN | \
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RDW_UPDATENOW | \
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RDW_ERASENOW | \
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RDW_FRAME | \
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RDW_NOFRAME)
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if (flags & ~RDW_FLAGS) TRACE(" %04x", flags & ~RDW_FLAGS);
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TRACE("\n");
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#undef RDW_FLAGS
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}
|
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|
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/***********************************************************************
|
|
* update_visible_region
|
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*
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* Set the visible region and X11 drawable for the DC associated to
|
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* a given window.
|
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*/
|
|
static void update_visible_region( struct dce *dce )
|
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{
|
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struct window_surface *surface = NULL;
|
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NTSTATUS status;
|
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HRGN vis_rgn = 0;
|
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HWND top_win = 0;
|
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DWORD flags = dce->flags;
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DWORD paint_flags = 0;
|
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size_t size = 256;
|
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RECT win_rect, top_rect;
|
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WND *win;
|
|
|
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/* don't clip siblings if using parent clip region */
|
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if (flags & DCX_PARENTCLIP) flags &= ~DCX_CLIPSIBLINGS;
|
|
|
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/* fetch the visible region from the server */
|
|
do
|
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{
|
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RGNDATA *data = malloc( sizeof(*data) + size - 1 );
|
|
if (!data) return;
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|
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SERVER_START_REQ( get_visible_region )
|
|
{
|
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req->window = wine_server_user_handle( dce->hwnd );
|
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req->flags = flags;
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wine_server_set_reply( req, data->Buffer, size );
|
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if (!(status = wine_server_call( req )))
|
|
{
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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;
|
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vis_rgn = NtGdiExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
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|
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top_win = wine_server_ptr_handle( reply->top_win );
|
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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;
|
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paint_flags = reply->paint_flags;
|
|
}
|
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else size = reply->total_size;
|
|
}
|
|
SERVER_END_REQ;
|
|
free( 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) NtGdiCombineRgn( vis_rgn, vis_rgn, dce->clip_rgn,
|
|
(flags & DCX_INTERSECTRGN) ? RGN_AND : RGN_DIFF );
|
|
|
|
/* don't use a surface to paint the client area of OpenGL windows */
|
|
if (!(paint_flags & SET_WINPOS_PIXEL_FORMAT) || (flags & DCX_WINDOW))
|
|
{
|
|
win = get_win_ptr( top_win );
|
|
if (win && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
|
|
{
|
|
surface = win->surface;
|
|
if (surface) window_surface_add_ref( surface );
|
|
release_win_ptr( win );
|
|
}
|
|
}
|
|
|
|
if (!surface) SetRectEmpty( &top_rect );
|
|
set_visible_region( dce->hdc, vis_rgn, &win_rect, &top_rect, surface );
|
|
if (surface) window_surface_release( surface );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* release_dce
|
|
*/
|
|
static void release_dce( struct dce *dce )
|
|
{
|
|
if (!dce->hwnd) return; /* already released */
|
|
|
|
set_visible_region( dce->hdc, 0, &dummy_surface.rect, &dummy_surface.rect, &dummy_surface );
|
|
user_driver->pReleaseDC( dce->hwnd, dce->hdc );
|
|
|
|
if (dce->clip_rgn) NtGdiDeleteObjectApp( 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);
|
|
NtGdiDeleteObjectApp( dce->clip_rgn );
|
|
dce->clip_rgn = 0;
|
|
|
|
/* make it dirty so that the vis rgn gets recomputed next time */
|
|
set_dce_flags( dce->hdc, DCHF_INVALIDATEVISRGN );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* delete_dce
|
|
*/
|
|
BOOL delete_dce( struct dce *dce )
|
|
{
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE( "hdc = %p\n", dce->hdc );
|
|
|
|
user_lock();
|
|
if (!(dce->flags & DCX_CACHE))
|
|
{
|
|
WARN("Application trying to delete an owned DC %p\n", dce->hdc);
|
|
ret = FALSE;
|
|
}
|
|
else
|
|
{
|
|
list_remove( &dce->entry );
|
|
if (dce->clip_rgn) NtGdiDeleteObjectApp( dce->clip_rgn );
|
|
free( dce );
|
|
}
|
|
user_unlock();
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* update_dc
|
|
*
|
|
* Make sure the DC vis region is up to date.
|
|
* This function may need user lock so the GDI lock should _not_
|
|
* be held when calling it.
|
|
*/
|
|
void update_dc( DC *dc )
|
|
{
|
|
if (!dc->dirty) return;
|
|
dc->dirty = 0;
|
|
if (dc->dce)
|
|
{
|
|
if (dc->dce->count) update_visible_region( dc->dce );
|
|
else /* non-fatal but shouldn't happen */
|
|
WARN("DC is not in use!\n");
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* alloc_dce
|
|
*
|
|
* Allocate a new DCE.
|
|
*/
|
|
static struct dce *alloc_dce(void)
|
|
{
|
|
struct dce *dce;
|
|
|
|
if (!(dce = malloc( sizeof(*dce) ))) return NULL;
|
|
if (!(dce->hdc = NtGdiOpenDCW( NULL, NULL, NULL, 0, TRUE, 0, NULL, NULL )))
|
|
{
|
|
free( dce );
|
|
return 0;
|
|
}
|
|
dce->hwnd = 0;
|
|
dce->clip_rgn = 0;
|
|
dce->flags = 0;
|
|
dce->count = 1;
|
|
|
|
set_dc_dce( dce->hdc, dce );
|
|
return dce;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* get_window_dce
|
|
*/
|
|
static struct dce *get_window_dce( HWND hwnd )
|
|
{
|
|
struct dce *dce;
|
|
WND *win = get_win_ptr( 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++;
|
|
}
|
|
release_win_ptr( win );
|
|
|
|
if (!dce) /* try to allocate one */
|
|
{
|
|
struct dce *dce_to_free = NULL;
|
|
LONG class_style = get_class_long( hwnd, GCL_STYLE, FALSE );
|
|
|
|
if (class_style & CS_CLASSDC)
|
|
{
|
|
if (!(dce = alloc_dce())) return NULL;
|
|
|
|
win = get_win_ptr( 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 );
|
|
}
|
|
release_win_ptr( win );
|
|
}
|
|
else dce_to_free = dce;
|
|
}
|
|
else if (class_style & CS_OWNDC)
|
|
{
|
|
if (!(dce = alloc_dce())) return NULL;
|
|
|
|
win = get_win_ptr( 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 );
|
|
}
|
|
release_win_ptr( win );
|
|
}
|
|
else dce_to_free = dce;
|
|
}
|
|
|
|
if (dce_to_free)
|
|
{
|
|
set_dc_dce( dce_to_free->hdc, NULL );
|
|
NtGdiDeleteObjectApp( dce_to_free->hdc );
|
|
free( dce_to_free );
|
|
if (dce_to_free == dce)
|
|
dce = NULL;
|
|
}
|
|
}
|
|
return dce;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* free_dce
|
|
*
|
|
* Free a class or window DCE.
|
|
*/
|
|
void free_dce( struct dce *dce, HWND hwnd )
|
|
{
|
|
struct dce *dce_to_free = NULL;
|
|
|
|
user_lock();
|
|
|
|
if (dce)
|
|
{
|
|
if (!--dce->count)
|
|
{
|
|
release_dce( dce );
|
|
list_remove( &dce->entry );
|
|
dce_to_free = dce;
|
|
}
|
|
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)) break;
|
|
|
|
release_dce( dce );
|
|
if (dce->count)
|
|
{
|
|
WARN( "GetDC() without ReleaseDC() for window %p\n", hwnd );
|
|
dce->count = 0;
|
|
set_dce_flags( dce->hdc, DCHF_DISABLEDC );
|
|
}
|
|
}
|
|
}
|
|
|
|
user_unlock();
|
|
|
|
if (dce_to_free)
|
|
{
|
|
set_dc_dce( dce_to_free->hdc, NULL );
|
|
NtGdiDeleteObjectApp( dce_to_free->hdc );
|
|
free( dce_to_free );
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* 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("purged %p hwnd %p\n", dce->hdc, dce->hwnd);
|
|
release_dce( dce );
|
|
}
|
|
else
|
|
{
|
|
/* Set dirty bits in the hDC and DCE structs */
|
|
TRACE("fixed up %p hwnd %p\n", dce->hdc, dce->hwnd);
|
|
set_dce_flags( 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( WND *win, const RECT *extra_rect )
|
|
{
|
|
DPI_AWARENESS_CONTEXT context;
|
|
RECT window_rect;
|
|
struct dce *dce;
|
|
|
|
if (!win->parent) return;
|
|
|
|
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( win->obj.handle ));
|
|
get_window_rect( win->obj.handle, &window_rect, get_thread_dpi() );
|
|
|
|
TRACE("%p parent %p %s (%s)\n",
|
|
win->obj.handle, win->parent, wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(extra_rect) );
|
|
|
|
/* walk all DCEs and fixup non-empty entries */
|
|
|
|
LIST_FOR_EACH_ENTRY( dce, &dce_list, struct dce, entry )
|
|
{
|
|
if (!dce->hwnd) continue;
|
|
|
|
TRACE( "%p: hwnd %p dcx %08x %s %s\n", dce->hdc, dce->hwnd, dce->flags,
|
|
(dce->flags & DCX_CACHE) ? "Cache" : "Owned", dce->count ? "InUse" : "" );
|
|
|
|
if ((dce->hwnd == win->parent) && !(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 == win->obj.handle || is_child( win->obj.handle, dce->hwnd ))
|
|
{
|
|
make_dc_dirty( dce );
|
|
continue;
|
|
}
|
|
|
|
/* otherwise check if the window rectangle intersects this DCE window */
|
|
if (win->parent == dce->hwnd || is_child( win->parent, dce->hwnd ))
|
|
{
|
|
RECT dce_rect, tmp;
|
|
get_window_rect( dce->hwnd, &dce_rect, get_thread_dpi() );
|
|
if (intersect_rect( &tmp, &dce_rect, &window_rect ) ||
|
|
(extra_rect && intersect_rect( &tmp, &dce_rect, extra_rect )))
|
|
make_dc_dirty( dce );
|
|
}
|
|
}
|
|
set_thread_dpi_awareness_context( context );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* release_dc
|
|
*/
|
|
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 = get_dc_dce( hdc );
|
|
if (dce && dce->count && dce->hwnd)
|
|
{
|
|
if (!(dce->flags & DCX_NORESETATTRS)) set_dce_flags( dce->hdc, DCHF_RESETDC );
|
|
if (end_paint || (dce->flags & DCX_CACHE)) delete_clip_rgn( dce );
|
|
if (dce->flags & DCX_CACHE)
|
|
{
|
|
dce->count = 0;
|
|
set_dce_flags( dce->hdc, DCHF_DISABLEDC );
|
|
}
|
|
ret = TRUE;
|
|
}
|
|
user_unlock();
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserGetDCEx (win32u.@)
|
|
*/
|
|
HDC WINAPI NtUserGetDCEx( HWND hwnd, HRGN clip_rgn, DWORD flags )
|
|
{
|
|
const DWORD clip_flags = DCX_PARENTCLIP | DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW;
|
|
const DWORD user_flags = clip_flags | DCX_NORESETATTRS; /* flags that can be set by user */
|
|
BOOL update_vis_rgn = TRUE;
|
|
struct dce *dce;
|
|
HWND parent;
|
|
LONG window_style = get_window_long( hwnd, GWL_STYLE );
|
|
|
|
if (!hwnd) hwnd = get_desktop_window();
|
|
else hwnd = get_full_window_handle( hwnd );
|
|
|
|
TRACE( "hwnd %p, clip_rgn %p, flags %08x\n", hwnd, clip_rgn, flags );
|
|
|
|
if (!is_window(hwnd)) return 0;
|
|
|
|
/* 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 (get_class_long( hwnd, GCL_STYLE, FALSE ) & 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 = NtUserGetAncestor( hwnd, GA_PARENT );
|
|
if (!parent || (parent == get_desktop_window()))
|
|
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 = get_window_long( 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, *found = NULL;
|
|
unsigned int count = 0;
|
|
|
|
/* 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)) break;
|
|
count++;
|
|
if (dce->count) continue;
|
|
dceUnused = dce;
|
|
if (!dce->hwnd) dceEmpty = dce;
|
|
else if ((dce->hwnd == hwnd) && !((dce->flags ^ flags) & clip_flags))
|
|
{
|
|
TRACE( "found valid %p hwnd %p, flags %08x\n", dce->hdc, hwnd, dce->flags );
|
|
found = dce;
|
|
update_vis_rgn = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) found = dceEmpty;
|
|
if (!found && count >= DCE_CACHE_SIZE) found = dceUnused;
|
|
|
|
dce = found;
|
|
if (dce)
|
|
{
|
|
dce->count = 1;
|
|
set_dce_flags( dce->hdc, DCHF_ENABLEDC );
|
|
}
|
|
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)
|
|
{
|
|
/* we should free dce->clip_rgn here, but Windows apparently doesn't */
|
|
dce->flags &= ~(DCX_EXCLUDERGN | DCX_INTERSECTRGN);
|
|
dce->clip_rgn = 0;
|
|
}
|
|
else update_vis_rgn = FALSE; /* updated automatically, via DCHook() */
|
|
}
|
|
|
|
if (flags & (DCX_INTERSECTRGN | DCX_EXCLUDERGN))
|
|
{
|
|
/* if the extra clip region has changed, get rid of the old one */
|
|
if (dce->clip_rgn != clip_rgn || ((flags ^ dce->flags) & (DCX_INTERSECTRGN | DCX_EXCLUDERGN)))
|
|
delete_clip_rgn( dce );
|
|
dce->clip_rgn = clip_rgn;
|
|
if (!dce->clip_rgn) dce->clip_rgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
|
|
dce->flags |= flags & (DCX_INTERSECTRGN | DCX_EXCLUDERGN);
|
|
update_vis_rgn = TRUE;
|
|
}
|
|
|
|
if (get_window_long( hwnd, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
|
|
NtGdiSetLayout( dce->hdc, -1, LAYOUT_RTL );
|
|
|
|
dce->hwnd = hwnd;
|
|
dce->flags = (dce->flags & ~user_flags) | (flags & user_flags);
|
|
|
|
/* cross-process invalidation is not supported yet, so always update the vis rgn */
|
|
if (!is_current_process_window( hwnd )) update_vis_rgn = TRUE;
|
|
|
|
if (set_dce_flags( dce->hdc, DCHF_VALIDATEVISRGN )) update_vis_rgn = TRUE; /* DC was dirty */
|
|
|
|
if (update_vis_rgn) update_visible_region( dce );
|
|
|
|
TRACE( "(%p,%p,0x%x): returning %p%s\n", hwnd, clip_rgn, flags, dce->hdc,
|
|
update_vis_rgn ? " (updated)" : "" );
|
|
return dce->hdc;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserReleaseDC (win32u.@)
|
|
*/
|
|
INT WINAPI NtUserReleaseDC( HWND hwnd, HDC hdc )
|
|
{
|
|
return release_dc( hwnd, hdc, FALSE );
|
|
}
|
|
|
|
/**********************************************************************
|
|
* NtUserWindowFromDC (win32u.@)
|
|
*/
|
|
HWND WINAPI NtUserWindowFromDC( HDC hdc )
|
|
{
|
|
struct dce *dce;
|
|
HWND hwnd = 0;
|
|
|
|
user_lock();
|
|
dce = get_dc_dce( hdc );
|
|
if (dce) hwnd = dce->hwnd;
|
|
user_unlock();
|
|
return hwnd;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* get_update_region
|
|
*
|
|
* Return update region (in screen coordinates) for a window.
|
|
*/
|
|
static HRGN get_update_region( HWND hwnd, UINT *flags, HWND *child )
|
|
{
|
|
HRGN hrgn = 0;
|
|
NTSTATUS status;
|
|
RGNDATA *data;
|
|
size_t size = 256;
|
|
|
|
do
|
|
{
|
|
if (!(data = malloc( sizeof(*data) + size - 1 )))
|
|
{
|
|
SetLastError( ERROR_OUTOFMEMORY );
|
|
return 0;
|
|
}
|
|
|
|
SERVER_START_REQ( get_update_region )
|
|
{
|
|
req->window = wine_server_user_handle( hwnd );
|
|
req->from_child = wine_server_user_handle( child ? *child : 0 );
|
|
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;
|
|
hrgn = NtGdiExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
|
|
if (child) *child = wine_server_ptr_handle( reply->child );
|
|
*flags = reply->flags;
|
|
}
|
|
else size = reply->total_size;
|
|
}
|
|
SERVER_END_REQ;
|
|
free( data );
|
|
} while (status == STATUS_BUFFER_OVERFLOW);
|
|
|
|
if (status) SetLastError( RtlNtStatusToDosError(status) );
|
|
return hrgn;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* redraw_window_rects
|
|
*
|
|
* Redraw part of a window.
|
|
*/
|
|
static BOOL redraw_window_rects( HWND hwnd, UINT flags, const RECT *rects, UINT count )
|
|
{
|
|
BOOL ret;
|
|
|
|
if (!(flags & (RDW_INVALIDATE|RDW_VALIDATE|RDW_INTERNALPAINT|RDW_NOINTERNALPAINT)))
|
|
return TRUE; /* nothing to do */
|
|
|
|
SERVER_START_REQ( redraw_window )
|
|
{
|
|
req->window = wine_server_user_handle( hwnd );
|
|
req->flags = flags;
|
|
wine_server_add_data( req, rects, count * sizeof(RECT) );
|
|
ret = !wine_server_call_err( req );
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* get_update_flags
|
|
*
|
|
* Get only the update flags, not the update region.
|
|
*/
|
|
static BOOL get_update_flags( HWND hwnd, HWND *child, UINT *flags )
|
|
{
|
|
BOOL ret;
|
|
|
|
SERVER_START_REQ( get_update_region )
|
|
{
|
|
req->window = wine_server_user_handle( hwnd );
|
|
req->from_child = wine_server_user_handle( child ? *child : 0 );
|
|
req->flags = *flags | UPDATE_NOREGION;
|
|
if ((ret = !wine_server_call_err( req )))
|
|
{
|
|
if (child) *child = wine_server_ptr_handle( reply->child );
|
|
*flags = reply->flags;
|
|
}
|
|
}
|
|
SERVER_END_REQ;
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* send_ncpaint
|
|
*
|
|
* Send a WM_NCPAINT message if needed, and return the resulting update region (in screen coords).
|
|
* Helper for erase_now and BeginPaint.
|
|
*/
|
|
static HRGN send_ncpaint( HWND hwnd, HWND *child, UINT *flags )
|
|
{
|
|
HRGN whole_rgn = get_update_region( hwnd, flags, child );
|
|
HRGN client_rgn = 0;
|
|
DWORD style;
|
|
|
|
if (child) hwnd = *child;
|
|
|
|
if (hwnd == get_desktop_window()) return whole_rgn;
|
|
|
|
if (whole_rgn)
|
|
{
|
|
DPI_AWARENESS_CONTEXT context;
|
|
RECT client, window, update;
|
|
INT type;
|
|
|
|
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
|
|
|
|
/* check if update rgn overlaps with nonclient area */
|
|
type = NtGdiGetRgnBox( whole_rgn, &update );
|
|
get_window_rects( hwnd, COORDS_SCREEN, &window, &client, get_thread_dpi() );
|
|
|
|
if ((*flags & UPDATE_NONCLIENT) ||
|
|
update.left < client.left || update.top < client.top ||
|
|
update.right > client.right || update.bottom > client.bottom)
|
|
{
|
|
client_rgn = NtGdiCreateRectRgn( client.left, client.top, client.right, client.bottom );
|
|
NtGdiCombineRgn( client_rgn, client_rgn, whole_rgn, RGN_AND );
|
|
|
|
/* check if update rgn contains complete nonclient area */
|
|
if (type == SIMPLEREGION && EqualRect( &window, &update ))
|
|
{
|
|
NtGdiDeleteObjectApp( whole_rgn );
|
|
whole_rgn = (HRGN)1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
client_rgn = whole_rgn;
|
|
whole_rgn = 0;
|
|
}
|
|
|
|
if (whole_rgn) /* NOTE: WM_NCPAINT allows wParam to be 1 */
|
|
{
|
|
if ((*flags & UPDATE_NONCLIENT) && user_callbacks)
|
|
{
|
|
/* Mark standard scroll bars as not painted before sending WM_NCPAINT */
|
|
style = get_window_long( hwnd, GWL_STYLE );
|
|
if (style & WS_HSCROLL)
|
|
user_callbacks->set_standard_scroll_painted( hwnd, SB_HORZ, FALSE );
|
|
if (style & WS_VSCROLL)
|
|
user_callbacks->set_standard_scroll_painted( hwnd, SB_VERT, FALSE );
|
|
|
|
send_message( hwnd, WM_NCPAINT, (WPARAM)whole_rgn, 0 );
|
|
}
|
|
if (whole_rgn > (HRGN)1) NtGdiDeleteObjectApp( whole_rgn );
|
|
}
|
|
set_thread_dpi_awareness_context( context );
|
|
}
|
|
return client_rgn;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* send_erase
|
|
*
|
|
* Send a WM_ERASEBKGND message if needed, and optionally return the DC for painting.
|
|
* If a DC is requested, the region is selected into it. In all cases the region is deleted.
|
|
* Helper for erase_now and BeginPaint.
|
|
*/
|
|
static BOOL send_erase( HWND hwnd, UINT flags, HRGN client_rgn,
|
|
RECT *clip_rect, HDC *hdc_ret )
|
|
{
|
|
BOOL need_erase = (flags & UPDATE_DELAYED_ERASE) != 0;
|
|
HDC hdc = 0;
|
|
RECT dummy;
|
|
|
|
if (!clip_rect) clip_rect = &dummy;
|
|
if (hdc_ret || (flags & UPDATE_ERASE))
|
|
{
|
|
UINT dcx_flags = DCX_INTERSECTRGN | DCX_USESTYLE;
|
|
if (is_iconic(hwnd)) dcx_flags |= DCX_WINDOW;
|
|
|
|
if ((hdc = NtUserGetDCEx( hwnd, client_rgn, dcx_flags )))
|
|
{
|
|
INT type = NtGdiGetAppClipBox( hdc, clip_rect );
|
|
|
|
if (flags & UPDATE_ERASE)
|
|
{
|
|
/* don't erase if the clip box is empty */
|
|
if (type != NULLREGION)
|
|
need_erase = !send_message( hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0 );
|
|
}
|
|
if (!hdc_ret) release_dc( hwnd, hdc, TRUE );
|
|
}
|
|
|
|
if (hdc_ret) *hdc_ret = hdc;
|
|
}
|
|
if (!hdc) NtGdiDeleteObjectApp( client_rgn );
|
|
return need_erase;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* copy_bits_from_surface
|
|
*
|
|
* Copy bits from a window surface; helper for move_window_bits and move_window_bits_parent.
|
|
*/
|
|
static void copy_bits_from_surface( HWND hwnd, struct window_surface *surface,
|
|
const RECT *dst, const RECT *src )
|
|
{
|
|
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
|
|
BITMAPINFO *info = (BITMAPINFO *)buffer;
|
|
void *bits;
|
|
UINT flags = UPDATE_NOCHILDREN | UPDATE_CLIPCHILDREN;
|
|
HRGN rgn = get_update_region( hwnd, &flags, NULL );
|
|
HDC hdc = NtUserGetDCEx( hwnd, rgn, DCX_CACHE | DCX_WINDOW | DCX_EXCLUDERGN );
|
|
|
|
bits = surface->funcs->get_info( surface, info );
|
|
surface->funcs->lock( surface );
|
|
NtGdiSetDIBitsToDeviceInternal( hdc, dst->left, dst->top, dst->right - dst->left, dst->bottom - dst->top,
|
|
src->left - surface->rect.left, surface->rect.bottom - src->bottom,
|
|
0, surface->rect.bottom - surface->rect.top,
|
|
bits, info, DIB_RGB_COLORS, 0, 0, FALSE, NULL );
|
|
surface->funcs->unlock( surface );
|
|
NtUserReleaseDC( hwnd, hdc );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* move_window_bits
|
|
*
|
|
* Move the window bits when a window is resized or its surface recreated.
|
|
*/
|
|
void move_window_bits( HWND hwnd, struct window_surface *old_surface,
|
|
struct window_surface *new_surface,
|
|
const RECT *visible_rect, const RECT *old_visible_rect,
|
|
const RECT *window_rect, const RECT *valid_rects )
|
|
{
|
|
RECT dst = valid_rects[0];
|
|
RECT src = valid_rects[1];
|
|
|
|
if (new_surface != old_surface ||
|
|
src.left - old_visible_rect->left != dst.left - visible_rect->left ||
|
|
src.top - old_visible_rect->top != dst.top - visible_rect->top)
|
|
{
|
|
TRACE( "copying %s -> %s\n", wine_dbgstr_rect( &src ), wine_dbgstr_rect( &dst ));
|
|
OffsetRect( &src, -old_visible_rect->left, -old_visible_rect->top );
|
|
OffsetRect( &dst, -window_rect->left, -window_rect->top );
|
|
copy_bits_from_surface( hwnd, old_surface, &dst, &src );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* move_window_bits_parent
|
|
*
|
|
* Move the window bits in the parent surface when a child is moved.
|
|
*/
|
|
void move_window_bits_parent( HWND hwnd, HWND parent, const RECT *window_rect, const RECT *valid_rects )
|
|
{
|
|
struct window_surface *surface;
|
|
RECT dst = valid_rects[0];
|
|
RECT src = valid_rects[1];
|
|
WND *win;
|
|
|
|
if (src.left == dst.left && src.top == dst.top) return;
|
|
|
|
if (!(win = get_win_ptr( parent ))) return;
|
|
if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return;
|
|
if (!(surface = win->surface))
|
|
{
|
|
release_win_ptr( win );
|
|
return;
|
|
}
|
|
|
|
TRACE( "copying %s -> %s\n", wine_dbgstr_rect( &src ), wine_dbgstr_rect( &dst ));
|
|
map_window_points( NtUserGetAncestor( hwnd, GA_PARENT ), parent, (POINT *)&src, 2, get_thread_dpi() );
|
|
offset_rect( &src, win->client_rect.left - win->visible_rect.left,
|
|
win->client_rect.top - win->visible_rect.top );
|
|
offset_rect( &dst, -window_rect->left, -window_rect->top );
|
|
window_surface_add_ref( surface );
|
|
release_win_ptr( win );
|
|
|
|
copy_bits_from_surface( hwnd, surface, &dst, &src );
|
|
window_surface_release( surface );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserBeginPaint (win32u.@)
|
|
*/
|
|
HDC WINAPI NtUserBeginPaint( HWND hwnd, PAINTSTRUCT *ps )
|
|
{
|
|
HRGN hrgn;
|
|
HDC hdc;
|
|
BOOL erase;
|
|
RECT rect;
|
|
UINT flags = UPDATE_NONCLIENT | UPDATE_ERASE | UPDATE_PAINT | UPDATE_INTERNALPAINT | UPDATE_NOCHILDREN;
|
|
|
|
if (user_callbacks) user_callbacks->pHideCaret( hwnd );
|
|
|
|
if (!(hrgn = send_ncpaint( hwnd, NULL, &flags ))) return 0;
|
|
|
|
erase = send_erase( hwnd, flags, hrgn, &rect, &hdc );
|
|
|
|
TRACE( "hdc = %p box = (%s), fErase = %d\n", hdc, wine_dbgstr_rect(&rect), erase );
|
|
|
|
if (!ps)
|
|
{
|
|
release_dc( hwnd, hdc, TRUE );
|
|
return 0;
|
|
}
|
|
ps->fErase = erase;
|
|
ps->rcPaint = rect;
|
|
ps->hdc = hdc;
|
|
return hdc;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserEndPaint (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserEndPaint( HWND hwnd, const PAINTSTRUCT *ps )
|
|
{
|
|
if (user_callbacks) user_callbacks->pShowCaret( hwnd );
|
|
flush_window_surfaces( FALSE );
|
|
if (!ps) return FALSE;
|
|
release_dc( hwnd, ps->hdc, TRUE );
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* erase_now
|
|
*
|
|
* Implementation of RDW_ERASENOW behavior.
|
|
*/
|
|
void erase_now( HWND hwnd, UINT rdw_flags )
|
|
{
|
|
HWND child = 0;
|
|
HRGN hrgn;
|
|
BOOL need_erase = FALSE;
|
|
|
|
/* loop while we find a child to repaint */
|
|
for (;;)
|
|
{
|
|
UINT flags = UPDATE_NONCLIENT | UPDATE_ERASE;
|
|
|
|
if (rdw_flags & RDW_NOCHILDREN) flags |= UPDATE_NOCHILDREN;
|
|
else if (rdw_flags & RDW_ALLCHILDREN) flags |= UPDATE_ALLCHILDREN;
|
|
if (need_erase) flags |= UPDATE_DELAYED_ERASE;
|
|
|
|
if (!(hrgn = send_ncpaint( hwnd, &child, &flags ))) break;
|
|
need_erase = send_erase( child, flags, hrgn, NULL, NULL );
|
|
|
|
if (!flags) break; /* nothing more to do */
|
|
if ((rdw_flags & RDW_NOCHILDREN) && !need_erase) break;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* update_now
|
|
*
|
|
* Implementation of RDW_UPDATENOW behavior.
|
|
*/
|
|
static void update_now( HWND hwnd, UINT rdw_flags )
|
|
{
|
|
HWND child = 0;
|
|
|
|
/* desktop window never gets WM_PAINT, only WM_ERASEBKGND */
|
|
if (hwnd == get_desktop_window()) erase_now( hwnd, rdw_flags | RDW_NOCHILDREN );
|
|
|
|
/* loop while we find a child to repaint */
|
|
for (;;)
|
|
{
|
|
UINT flags = UPDATE_PAINT | UPDATE_INTERNALPAINT;
|
|
|
|
if (rdw_flags & RDW_NOCHILDREN) flags |= UPDATE_NOCHILDREN;
|
|
else if (rdw_flags & RDW_ALLCHILDREN) flags |= UPDATE_ALLCHILDREN;
|
|
|
|
if (!get_update_flags( hwnd, &child, &flags )) break;
|
|
if (!flags) break; /* nothing more to do */
|
|
|
|
send_message( child, WM_PAINT, 0, 0 );
|
|
if (rdw_flags & RDW_NOCHILDREN) break;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserRedrawWindow (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserRedrawWindow( HWND hwnd, const RECT *rect, HRGN hrgn, UINT flags )
|
|
{
|
|
static const RECT empty;
|
|
BOOL ret;
|
|
|
|
if (TRACE_ON(win))
|
|
{
|
|
if (hrgn)
|
|
{
|
|
RECT r;
|
|
NtGdiGetRgnBox( hrgn, &r );
|
|
TRACE( "%p region %p box %s ", hwnd, hrgn, wine_dbgstr_rect(&r) );
|
|
}
|
|
else if (rect)
|
|
TRACE( "%p rect %s ", hwnd, wine_dbgstr_rect(rect) );
|
|
else
|
|
TRACE( "%p whole window ", hwnd );
|
|
|
|
dump_rdw_flags(flags);
|
|
}
|
|
|
|
/* process pending expose events before painting */
|
|
if (flags & RDW_UPDATENOW) user_driver->pMsgWaitForMultipleObjectsEx( 0, NULL, 0, QS_PAINT, 0 );
|
|
|
|
if (rect && !hrgn)
|
|
{
|
|
if (IsRectEmpty( rect )) rect = ∅
|
|
ret = redraw_window_rects( hwnd, flags, rect, 1 );
|
|
}
|
|
else if (!hrgn)
|
|
{
|
|
ret = redraw_window_rects( hwnd, flags, NULL, 0 );
|
|
}
|
|
else /* need to build a list of the region rectangles */
|
|
{
|
|
DWORD size;
|
|
RGNDATA *data;
|
|
|
|
if (!(size = NtGdiGetRegionData( hrgn, 0, NULL ))) return FALSE;
|
|
if (!(data = malloc( size ))) return FALSE;
|
|
NtGdiGetRegionData( hrgn, size, data );
|
|
if (!data->rdh.nCount) /* empty region -> use a single all-zero rectangle */
|
|
ret = redraw_window_rects( hwnd, flags, &empty, 1 );
|
|
else
|
|
ret = redraw_window_rects( hwnd, flags, (const RECT *)data->Buffer, data->rdh.nCount );
|
|
free( data );
|
|
}
|
|
|
|
if (!hwnd) hwnd = get_desktop_window();
|
|
|
|
if (flags & RDW_UPDATENOW) update_now( hwnd, flags );
|
|
else if (flags & RDW_ERASENOW) erase_now( hwnd, flags );
|
|
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserGetUpdateRgn (win32u.@)
|
|
*/
|
|
INT WINAPI NtUserGetUpdateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
|
|
{
|
|
DPI_AWARENESS_CONTEXT context;
|
|
INT retval = ERROR;
|
|
UINT flags = UPDATE_NOCHILDREN;
|
|
HRGN update_rgn;
|
|
|
|
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
|
|
|
|
if (erase) flags |= UPDATE_NONCLIENT | UPDATE_ERASE;
|
|
|
|
if ((update_rgn = send_ncpaint( hwnd, NULL, &flags )))
|
|
{
|
|
retval = NtGdiCombineRgn( hrgn, update_rgn, 0, RGN_COPY );
|
|
if (send_erase( hwnd, flags, update_rgn, NULL, NULL ))
|
|
{
|
|
flags = UPDATE_DELAYED_ERASE;
|
|
get_update_flags( hwnd, NULL, &flags );
|
|
}
|
|
/* map region to client coordinates */
|
|
map_window_region( 0, hwnd, hrgn );
|
|
}
|
|
set_thread_dpi_awareness_context( context );
|
|
return retval;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserGetUpdateRect (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserGetUpdateRect( HWND hwnd, RECT *rect, BOOL erase )
|
|
{
|
|
UINT flags = UPDATE_NOCHILDREN;
|
|
HRGN update_rgn;
|
|
BOOL need_erase;
|
|
|
|
if (erase) flags |= UPDATE_NONCLIENT | UPDATE_ERASE;
|
|
|
|
if (!(update_rgn = send_ncpaint( hwnd, NULL, &flags ))) return FALSE;
|
|
|
|
if (rect && NtGdiGetRgnBox( update_rgn, rect ) != NULLREGION)
|
|
{
|
|
HDC hdc = NtUserGetDCEx( hwnd, 0, DCX_USESTYLE );
|
|
DWORD layout = NtGdiSetLayout( hdc, -1, 0 ); /* map_window_points mirrors already */
|
|
UINT win_dpi = get_dpi_for_window( hwnd );
|
|
map_window_points( 0, hwnd, (POINT *)rect, 2, win_dpi );
|
|
*rect = map_dpi_rect( *rect, win_dpi, get_thread_dpi() );
|
|
NtGdiTransformPoints( hdc, (POINT *)rect, (POINT *)rect, 2, NtGdiDPtoLP );
|
|
NtGdiSetLayout( hdc, -1, layout );
|
|
NtUserReleaseDC( hwnd, hdc );
|
|
}
|
|
need_erase = send_erase( hwnd, flags, update_rgn, NULL, NULL );
|
|
|
|
/* check if we still have an update region */
|
|
flags = UPDATE_PAINT | UPDATE_NOCHILDREN;
|
|
if (need_erase) flags |= UPDATE_DELAYED_ERASE;
|
|
return get_update_flags( hwnd, NULL, &flags ) && (flags & UPDATE_PAINT);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserExcludeUpdateRgn (win32u.@)
|
|
*/
|
|
INT WINAPI NtUserExcludeUpdateRgn( HDC hdc, HWND hwnd )
|
|
{
|
|
HRGN update_rgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
|
|
INT ret = NtUserGetUpdateRgn( hwnd, update_rgn, FALSE );
|
|
|
|
if (ret != ERROR)
|
|
{
|
|
DPI_AWARENESS_CONTEXT context;
|
|
POINT pt;
|
|
|
|
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( hwnd ));
|
|
NtGdiGetDCPoint( hdc, NtGdiGetDCOrg, &pt );
|
|
map_window_points( 0, hwnd, &pt, 1, get_thread_dpi() );
|
|
NtGdiOffsetRgn( update_rgn, -pt.x, -pt.y );
|
|
ret = NtGdiExtSelectClipRgn( hdc, update_rgn, RGN_DIFF );
|
|
set_thread_dpi_awareness_context( context );
|
|
}
|
|
NtGdiDeleteObjectApp( update_rgn );
|
|
return ret;
|
|
}
|