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bf1a031343
We won't be able to do it later on otherwise as get_dc_ptr will fail with a disabled DC, and release_dce will then not clear the drawable. This will delay the drawable release until the dce is later reused, for instance for a different window, which may cause a complicated deadlock.
2228 lines
74 KiB
C
2228 lines
74 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/opengl_driver.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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UINT 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_set_clip( struct window_surface *window_surface, const RECT *rects, UINT count )
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{
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/* nothing to do */
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}
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static BOOL dummy_surface_flush( struct window_surface *window_surface, const RECT *rect, const RECT *dirty,
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const BITMAPINFO *color_info, const void *color_bits, BOOL shape_changed,
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const BITMAPINFO *shape_info, const void *shape_bits )
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{
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/* nothing to do */
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return TRUE;
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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_set_clip,
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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 =
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{
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.funcs = &dummy_surface_funcs,
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.ref = 1,
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.rect = {.right = 1, .bottom = 1},
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.mutex = PTHREAD_MUTEX_INITIALIZER,
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};
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/*******************************************************************
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* Off-screen window surface.
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*/
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static void offscreen_window_surface_set_clip( struct window_surface *surface, const RECT *rects, UINT count )
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{
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}
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static BOOL offscreen_window_surface_flush( struct window_surface *surface, const RECT *rect, const RECT *dirty,
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const BITMAPINFO *color_info, const void *color_bits, BOOL shape_changed,
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const BITMAPINFO *shape_info, const void *shape_bits )
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{
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return TRUE;
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}
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static void offscreen_window_surface_destroy( struct window_surface *surface )
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{
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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_set_clip,
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offscreen_window_surface_flush,
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offscreen_window_surface_destroy
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};
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static void create_offscreen_window_surface( HWND hwnd, const RECT *surface_rect, struct window_surface **window_surface )
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{
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char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
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struct window_surface *surface, *previous;
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BITMAPINFO *info = (BITMAPINFO *)buffer;
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TRACE( "hwnd %p, surface_rect %s, window_surface %p.\n", hwnd, wine_dbgstr_rect( surface_rect ), window_surface );
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/* check that old surface is an offscreen_window_surface, or release it */
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if ((previous = *window_surface) && previous->funcs == &offscreen_window_surface_funcs) return;
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memset( info, 0, sizeof(*info) );
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info->bmiHeader.biSize = sizeof(info->bmiHeader);
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info->bmiHeader.biWidth = surface_rect->right;
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info->bmiHeader.biHeight = -surface_rect->bottom; /* top-down */
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = 32;
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info->bmiHeader.biSizeImage = get_dib_image_size( info );
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info->bmiHeader.biCompression = BI_RGB;
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*window_surface = window_surface_create( sizeof(*surface), &offscreen_window_surface_funcs, hwnd, surface_rect, info, 0 );
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if (previous) window_surface_release( previous );
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}
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struct scaled_surface
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{
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struct window_surface header;
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struct window_surface *target_surface;
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UINT dpi_from;
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UINT dpi_to;
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};
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static struct scaled_surface *get_scaled_surface( struct window_surface *window_surface )
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{
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return CONTAINING_RECORD( window_surface, struct scaled_surface, header );
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}
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static void scaled_surface_set_clip( struct window_surface *window_surface, const RECT *rects, UINT count )
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{
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struct scaled_surface *surface = get_scaled_surface( window_surface );
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HRGN hrgn = map_dpi_region( window_surface->clip_region, surface->dpi_from, surface->dpi_to );
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window_surface_set_clip( surface->target_surface, hrgn );
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if (hrgn) NtGdiDeleteObjectApp( hrgn );
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}
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static BOOL scaled_surface_flush( struct window_surface *window_surface, const RECT *rect, const RECT *dirty,
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const BITMAPINFO *color_info, const void *color_bits, BOOL shape_changed,
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const BITMAPINFO *shape_info, const void *shape_bits )
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{
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struct scaled_surface *surface = get_scaled_surface( window_surface );
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RECT src = *dirty, dst;
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HDC hdc_dst, hdc_src;
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src.left &= ~7;
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src.top &= ~7;
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src.right = (src.right + 7) & ~7;
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src.bottom = (src.bottom + 7) & ~7;
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dst = map_dpi_rect( src, surface->dpi_from, surface->dpi_to );
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hdc_dst = NtGdiCreateCompatibleDC( 0 );
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hdc_src = NtGdiCreateCompatibleDC( 0 );
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NtGdiSelectBitmap( hdc_src, window_surface->color_bitmap );
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NtGdiSelectBitmap( hdc_dst, surface->target_surface->color_bitmap );
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/* FIXME: implement HALFTONE with alpha for layered surfaces */
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if (!window_surface->alpha_mask) set_stretch_blt_mode( hdc_dst, STRETCH_HALFTONE );
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NtGdiStretchBlt( hdc_dst, dst.left, dst.top, dst.right - dst.left, dst.bottom - dst.top,
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hdc_src, src.left, src.top, src.right - src.left, src.bottom - src.top,
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SRCCOPY, 0 );
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NtGdiDeleteObjectApp( hdc_dst );
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NtGdiDeleteObjectApp( hdc_src );
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window_surface_lock( surface->target_surface );
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add_bounds_rect( &surface->target_surface->bounds, &dst );
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window_surface_unlock( surface->target_surface );
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if (shape_changed)
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{
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HRGN hrgn = map_dpi_region( window_surface->shape_region, surface->dpi_from, surface->dpi_to );
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window_surface_set_shape( surface->target_surface, hrgn );
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if (hrgn) NtGdiDeleteObjectApp( hrgn );
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window_surface_set_layered( surface->target_surface, window_surface->color_key,
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window_surface->alpha_bits, window_surface->alpha_mask );
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}
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window_surface_flush( surface->target_surface );
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return TRUE;
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}
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static void scaled_surface_destroy( struct window_surface *window_surface )
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{
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struct scaled_surface *surface = get_scaled_surface( window_surface );
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window_surface_release( surface->target_surface );
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}
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static const struct window_surface_funcs scaled_surface_funcs =
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{
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scaled_surface_set_clip,
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scaled_surface_flush,
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scaled_surface_destroy
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};
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static void scaled_surface_set_target( struct scaled_surface *surface, struct window_surface *target, UINT dpi_to )
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{
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if (surface->target_surface) window_surface_release( surface->target_surface );
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window_surface_add_ref( (surface->target_surface = target) );
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surface->dpi_to = dpi_to;
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}
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static struct window_surface *scaled_surface_create( HWND hwnd, const RECT *surface_rect, UINT dpi_from, UINT dpi_to,
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struct window_surface *target_surface )
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{
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char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
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BITMAPINFO *info = (BITMAPINFO *)buffer;
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struct window_surface *window_surface;
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struct scaled_surface *surface;
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memset( info, 0, sizeof(*info) );
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info->bmiHeader.biSize = sizeof(info->bmiHeader);
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info->bmiHeader.biWidth = surface_rect->right;
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info->bmiHeader.biHeight = -surface_rect->bottom; /* top-down */
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = 32;
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info->bmiHeader.biSizeImage = get_dib_image_size( info );
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info->bmiHeader.biCompression = BI_RGB;
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if ((window_surface = window_surface_create( sizeof(*surface), &scaled_surface_funcs, hwnd, surface_rect, info, 0 )))
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{
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surface = get_scaled_surface( window_surface );
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surface->dpi_from = dpi_from;
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scaled_surface_set_target( surface, target_surface, dpi_to );
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}
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return window_surface;
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}
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static RECT get_surface_rect( RECT rect )
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{
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OffsetRect( &rect, -rect.left, -rect.top );
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rect.left &= ~127;
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rect.top &= ~127;
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rect.right = max( rect.left + 128, (rect.right + 127) & ~127 );
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rect.bottom = max( rect.top + 128, (rect.bottom + 127) & ~127 );
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return rect;
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}
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void create_window_surface( HWND hwnd, BOOL create_layered, const RECT *surface_rect, UINT monitor_dpi,
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struct window_surface **window_surface )
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{
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struct window_surface *previous, *driver_surface;
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UINT dpi = get_dpi_for_window( hwnd );
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RECT monitor_rect;
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monitor_rect = get_surface_rect( map_dpi_rect( *surface_rect, dpi, monitor_dpi ) );
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if ((driver_surface = get_driver_window_surface( *window_surface, monitor_dpi )))
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{
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/* reuse the underlying driver surface only if it also matches the target monitor rect */
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if (EqualRect( &driver_surface->rect, &monitor_rect )) window_surface_add_ref( driver_surface );
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else window_surface_add_ref( (driver_surface = &dummy_surface) );
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}
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if (!user_driver->pCreateWindowSurface( hwnd, create_layered, &monitor_rect, &driver_surface ))
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{
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if (driver_surface) window_surface_release( driver_surface );
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if (*window_surface)
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{
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/* create an offscreen window surface if the driver doesn't implement CreateWindowSurface */
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create_offscreen_window_surface( hwnd, surface_rect, window_surface );
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}
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return;
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}
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if (!driver_surface || dpi == monitor_dpi)
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{
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if (*window_surface) window_surface_release( *window_surface );
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*window_surface = driver_surface;
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return;
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}
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/* reuse previous scaling surface, update its target to the driver surface */
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if ((previous = *window_surface) && previous->funcs == &scaled_surface_funcs)
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{
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struct scaled_surface *surface = get_scaled_surface( previous );
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scaled_surface_set_target( surface, driver_surface, monitor_dpi );
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window_surface_release( driver_surface );
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return;
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}
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if (previous) window_surface_release( previous );
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*window_surface = scaled_surface_create( hwnd, surface_rect, dpi, monitor_dpi, driver_surface );
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window_surface_release( driver_surface );
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}
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struct window_surface *get_driver_window_surface( struct window_surface *surface, UINT monitor_dpi )
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{
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if (!surface || surface == &dummy_surface) return surface;
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if (surface->funcs != &scaled_surface_funcs) return surface;
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if (get_scaled_surface( surface )->dpi_to != monitor_dpi) return &dummy_surface;
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return get_scaled_surface( surface )->target_surface;
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}
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/* window surface common helpers */
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static UINT get_color_component( UINT color, UINT mask )
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{
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int shift;
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for (shift = 0; !(mask & 1); shift++) mask >>= 1;
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return (color * mask / 255) << shift;
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}
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static COLORREF get_color_key( const BITMAPINFO *info, COLORREF color_key )
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{
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if (color_key == CLR_INVALID) return CLR_INVALID;
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if (info->bmiHeader.biBitCount <= 8) return CLR_INVALID;
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if (color_key & (1 << 24)) /* PALETTEINDEX */ return 0;
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if (color_key >> 16 == 0x10ff) /* DIBINDEX */ return 0;
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if (info->bmiHeader.biCompression == BI_BITFIELDS)
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{
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UINT *masks = (UINT *)info->bmiColors;
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return get_color_component( GetRValue( color_key ), masks[0] ) |
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get_color_component( GetGValue( color_key ), masks[1] ) |
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get_color_component( GetBValue( color_key ), masks[2] );
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}
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return (GetRValue( color_key ) << 16) | (GetGValue( color_key ) << 8) | GetBValue( color_key );
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}
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static void set_surface_shape_rect( BYTE *bits, UINT stride, const RECT *rect )
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{
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BYTE *begin = bits + rect->top * stride, *end = bits + rect->bottom * stride;
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UINT l = rect->left / 8, l_mask, r = rect->right / 8, r_mask;
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/* 1bpp bitmaps use MSB for lowest X */
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l_mask = (1 << (8 - (rect->left & 7))) - 1;
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r_mask = (1 << (8 - (rect->right & 7))) - 1;
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if (r_mask == 0xff) { r--; r_mask = 0; } /* avoid writing to the next byte */
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if (rect->right - rect->left == 8 * stride) memset( begin, 0xff, end - begin );
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else if (l == r) for (bits = begin; bits < end; bits += stride) bits[l] |= l_mask & r_mask;
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else if (l < r)
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{
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for (bits = begin; bits < end; bits += stride)
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{
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bits[l] |= l_mask;
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memset( bits + l + 1, 0xff, r - l - 1 );
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bits[r] |= ~r_mask;
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}
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}
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}
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static void *window_surface_get_shape( struct window_surface *surface, BITMAPINFO *info )
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{
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struct bitblt_coords coords = {0};
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struct gdi_image_bits gdi_bits;
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BITMAPOBJ *bmp;
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if (!(bmp = GDI_GetObjPtr( surface->shape_bitmap, NTGDI_OBJ_BITMAP ))) return NULL;
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get_image_from_bitmap( bmp, info, &gdi_bits, &coords );
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GDI_ReleaseObj( surface->shape_bitmap );
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return gdi_bits.ptr;
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}
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static BYTE shape_from_alpha_mask( UINT32 *bits, UINT32 alpha_mask, UINT32 alpha )
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{
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BYTE i, bit, mask = 0;
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for (i = 0, bit = 7; i < 8; i++, bit--) mask |= ((bits[i] & alpha_mask) == alpha) << bit;
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return ~mask;
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}
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static BYTE shape_from_color_key_16( UINT16 *bits, UINT16 color_mask, UINT16 color_key )
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{
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BYTE i, bit, mask = 0;
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for (i = 0, bit = 7; i < 8; i++, bit--) mask |= ((bits[i] & color_mask) == color_key) << bit;
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return ~mask;
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}
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static BYTE shape_from_color_key_32( UINT32 *bits, UINT32 color_mask, UINT32 color_key )
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{
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BYTE i, bit, mask = 0;
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for (i = 0, bit = 7; i < 8; i++, bit--) mask |= ((bits[i] & color_mask) == color_key) << bit;
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return ~mask;
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}
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static BOOL set_surface_shape( struct window_surface *surface, const RECT *rect, const RECT *dirty,
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const BITMAPINFO *color_info, void *color_bits )
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{
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UINT width, height, x, y, shape_stride, color_stride, alpha_mask = surface->alpha_mask;
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char shape_buf[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
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BITMAPINFO *shape_info = (BITMAPINFO *)shape_buf;
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COLORREF color_key = surface->color_key;
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void *shape_bits, *old_shape;
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RECT *shape_rect, tmp_rect;
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WINEREGION *data;
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BOOL ret;
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width = color_info->bmiHeader.biWidth;
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height = abs( color_info->bmiHeader.biHeight );
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assert( !(width & 7) ); /* expect 1bpp bitmap to be aligned on bytes */
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if (!surface->shape_bitmap) surface->shape_bitmap = NtGdiCreateBitmap( width, height, 1, 1, NULL );
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if (!(shape_bits = window_surface_get_shape( surface, shape_info ))) return FALSE;
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old_shape = malloc( shape_info->bmiHeader.biSizeImage );
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memcpy( old_shape, shape_bits, shape_info->bmiHeader.biSizeImage );
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color_stride = color_info->bmiHeader.biSizeImage / height;
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shape_stride = shape_info->bmiHeader.biSizeImage / abs( shape_info->bmiHeader.biHeight );
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if (!surface->shape_region) set_surface_shape_rect( shape_bits, shape_stride, dirty );
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else if ((data = GDI_GetObjPtr( surface->shape_region, NTGDI_OBJ_REGION )))
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{
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if (EqualRect( rect, dirty )) memset( shape_bits, 0, shape_info->bmiHeader.biSizeImage );
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for (shape_rect = data->rects; shape_rect < data->rects + data->numRects; shape_rect++)
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{
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if (!intersect_rect( &tmp_rect, shape_rect, dirty )) continue;
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set_surface_shape_rect( shape_bits, shape_stride, &tmp_rect );
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}
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GDI_ReleaseObj( surface->shape_region );
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}
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|
|
switch (color_info->bmiHeader.biBitCount)
|
|
{
|
|
case 16:
|
|
{
|
|
UINT *masks = (UINT *)color_info->bmiColors, color_mask;
|
|
BYTE *shape = shape_bits, *color = color_bits;
|
|
|
|
if (color_key == CLR_INVALID) color_mask = 0;
|
|
else color_mask = masks[0] | masks[1] | masks[2];
|
|
if (!color_mask) break;
|
|
|
|
color += dirty->top * color_stride;
|
|
shape += dirty->top * shape_stride;
|
|
|
|
for (y = dirty->top; y < dirty->bottom; y++, color += color_stride, shape += shape_stride)
|
|
{
|
|
for (x = dirty->left; x < dirty->right; x += 8)
|
|
{
|
|
shape[x / 8] &= shape_from_color_key_16( (UINT16 *)color + x, color_mask, color_key );
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 24: case 32:
|
|
{
|
|
BYTE *shape = shape_bits, *color = color_bits;
|
|
UINT color_mask, alpha = 0;
|
|
|
|
if (color_key == CLR_INVALID) color_mask = 0;
|
|
else if (color_info->bmiHeader.biCompression == BI_RGB) color_mask = 0xffffff;
|
|
else
|
|
{
|
|
UINT *masks = (UINT *)color_info->bmiColors;
|
|
color_mask = masks[0] | masks[1] | masks[2];
|
|
}
|
|
if (!alpha_mask && !color_mask) break;
|
|
if (!alpha_mask) alpha = -1;
|
|
|
|
color += dirty->top * color_stride;
|
|
shape += dirty->top * shape_stride;
|
|
|
|
for (y = dirty->top; y < dirty->bottom; y++, color += color_stride, shape += shape_stride)
|
|
{
|
|
for (x = dirty->left; x < dirty->right; x += 8)
|
|
{
|
|
shape[x / 8] &= shape_from_alpha_mask( (UINT32 *)color + x, alpha_mask, alpha );
|
|
shape[x / 8] &= shape_from_color_key_32( (UINT32 *)color + x, color_mask, color_key );
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
ret = memcmp( old_shape, shape_bits, shape_info->bmiHeader.biSizeImage );
|
|
free( old_shape );
|
|
return ret;
|
|
}
|
|
|
|
static BOOL clear_surface_shape( struct window_surface *surface )
|
|
{
|
|
if (!surface->shape_bitmap) return FALSE;
|
|
NtGdiDeleteObjectApp( surface->shape_bitmap );
|
|
surface->shape_bitmap = 0;
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL update_surface_shape( struct window_surface *surface, const RECT *rect, const RECT *dirty,
|
|
const BITMAPINFO *color_info, void *color_bits )
|
|
{
|
|
if (surface == &dummy_surface) return FALSE;
|
|
|
|
if (surface->shape_region || surface->alpha_mask || surface->color_key != CLR_INVALID)
|
|
return set_surface_shape( surface, rect, dirty, color_info, color_bits );
|
|
else
|
|
return clear_surface_shape( surface );
|
|
}
|
|
|
|
W32KAPI struct window_surface *window_surface_create( UINT size, const struct window_surface_funcs *funcs, HWND hwnd,
|
|
const RECT *rect, BITMAPINFO *info, HBITMAP bitmap )
|
|
{
|
|
struct window_surface *surface;
|
|
|
|
if (!(surface = calloc( 1, size ))) return NULL;
|
|
surface->funcs = funcs;
|
|
surface->ref = 1;
|
|
surface->hwnd = hwnd;
|
|
surface->rect = *rect;
|
|
surface->color_key = CLR_INVALID;
|
|
surface->alpha_bits = -1;
|
|
surface->alpha_mask = 0;
|
|
reset_bounds( &surface->bounds );
|
|
|
|
if (!bitmap) bitmap = NtGdiCreateDIBSection( 0, NULL, 0, info, DIB_RGB_COLORS, 0, 0, 0, NULL );
|
|
if (!(surface->color_bitmap = bitmap))
|
|
{
|
|
free( surface );
|
|
return NULL;
|
|
}
|
|
|
|
pthread_mutex_init( &surface->mutex, NULL );
|
|
|
|
TRACE( "created surface %p for hwnd %p rect %s\n", surface, hwnd, wine_dbgstr_rect( &surface->rect ) );
|
|
return surface;
|
|
}
|
|
|
|
W32KAPI void window_surface_add_ref( struct window_surface *surface )
|
|
{
|
|
InterlockedIncrement( &surface->ref );
|
|
}
|
|
|
|
W32KAPI void window_surface_release( struct window_surface *surface )
|
|
{
|
|
ULONG ret = InterlockedDecrement( &surface->ref );
|
|
if (!ret)
|
|
{
|
|
if (surface != &dummy_surface) pthread_mutex_destroy( &surface->mutex );
|
|
if (surface->clip_region) NtGdiDeleteObjectApp( surface->clip_region );
|
|
if (surface->color_bitmap) NtGdiDeleteObjectApp( surface->color_bitmap );
|
|
if (surface->shape_bitmap) NtGdiDeleteObjectApp( surface->shape_bitmap );
|
|
surface->funcs->destroy( surface );
|
|
if (surface != &dummy_surface) free( surface );
|
|
}
|
|
}
|
|
|
|
W32KAPI void window_surface_lock( struct window_surface *surface )
|
|
{
|
|
if (surface == &dummy_surface) return;
|
|
pthread_mutex_lock( &surface->mutex );
|
|
}
|
|
|
|
W32KAPI void window_surface_unlock( struct window_surface *surface )
|
|
{
|
|
if (surface == &dummy_surface) return;
|
|
pthread_mutex_unlock( &surface->mutex );
|
|
}
|
|
|
|
void *window_surface_get_color( struct window_surface *surface, BITMAPINFO *info )
|
|
{
|
|
struct bitblt_coords coords = {0};
|
|
struct gdi_image_bits gdi_bits;
|
|
BITMAPOBJ *bmp;
|
|
|
|
if (surface == &dummy_surface)
|
|
{
|
|
static BITMAPINFOHEADER header = {.biSize = sizeof(header), .biWidth = 1, .biHeight = 1,
|
|
.biPlanes = 1, .biBitCount = 32, .biCompression = BI_RGB};
|
|
static DWORD dummy_data;
|
|
|
|
info->bmiHeader = header;
|
|
return &dummy_data;
|
|
}
|
|
|
|
if (!(bmp = GDI_GetObjPtr( surface->color_bitmap, NTGDI_OBJ_BITMAP ))) return NULL;
|
|
get_image_from_bitmap( bmp, info, &gdi_bits, &coords );
|
|
GDI_ReleaseObj( surface->color_bitmap );
|
|
|
|
return gdi_bits.ptr;
|
|
}
|
|
|
|
W32KAPI void window_surface_flush( struct window_surface *surface )
|
|
{
|
|
char color_buf[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
|
|
char shape_buf[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
|
|
BITMAPINFO *color_info = (BITMAPINFO *)color_buf;
|
|
BITMAPINFO *shape_info = (BITMAPINFO *)shape_buf;
|
|
RECT dirty = surface->rect, bounds;
|
|
void *color_bits;
|
|
|
|
window_surface_lock( surface );
|
|
|
|
/* align bounds / dirty rect to help with 1bpp shape bitmap updates */
|
|
bounds.left = surface->bounds.left & ~7;
|
|
bounds.top = surface->bounds.top;
|
|
bounds.right = (surface->bounds.right + 7) & ~7;
|
|
bounds.bottom = surface->bounds.bottom;
|
|
|
|
OffsetRect( &dirty, -dirty.left, -dirty.top );
|
|
|
|
if (intersect_rect( &dirty, &dirty, &bounds ) && (color_bits = window_surface_get_color( surface, color_info )))
|
|
{
|
|
BOOL shape_changed = update_surface_shape( surface, &surface->rect, &dirty, color_info, color_bits );
|
|
void *shape_bits = window_surface_get_shape( surface, shape_info );
|
|
|
|
TRACE( "Flushing hwnd %p, surface %p %s, bounds %s, dirty %s\n", surface->hwnd, surface,
|
|
wine_dbgstr_rect( &surface->rect ), wine_dbgstr_rect( &surface->bounds ), wine_dbgstr_rect( &dirty ) );
|
|
|
|
if (surface->funcs->flush( surface, &surface->rect, &dirty, color_info, color_bits,
|
|
shape_changed, shape_info, shape_bits ))
|
|
reset_bounds( &surface->bounds );
|
|
}
|
|
|
|
window_surface_unlock( surface );
|
|
}
|
|
|
|
W32KAPI void window_surface_set_layered( struct window_surface *surface, COLORREF color_key, UINT alpha_bits, UINT alpha_mask )
|
|
{
|
|
char color_buf[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
|
|
BITMAPINFO *color_info = (BITMAPINFO *)color_buf;
|
|
void *color_bits;
|
|
|
|
window_surface_lock( surface );
|
|
if ((color_bits = window_surface_get_color( surface, color_info )))
|
|
{
|
|
color_key = get_color_key( color_info, color_key );
|
|
if (color_key != surface->color_key)
|
|
{
|
|
surface->color_key = color_key;
|
|
surface->bounds = surface->rect;
|
|
}
|
|
if (alpha_bits != surface->alpha_bits)
|
|
{
|
|
surface->alpha_bits = alpha_bits;
|
|
surface->bounds = surface->rect;
|
|
}
|
|
if (alpha_mask != surface->alpha_mask)
|
|
{
|
|
surface->alpha_mask = alpha_mask;
|
|
surface->bounds = surface->rect;
|
|
}
|
|
}
|
|
window_surface_unlock( surface );
|
|
}
|
|
|
|
W32KAPI void window_surface_set_clip( struct window_surface *surface, HRGN clip_region )
|
|
{
|
|
window_surface_lock( surface );
|
|
|
|
if (!clip_region && surface->clip_region)
|
|
{
|
|
TRACE( "hwnd %p, surface %p %s, clearing clip region\n", surface->hwnd, surface,
|
|
wine_dbgstr_rect( &surface->rect ) );
|
|
|
|
NtGdiDeleteObjectApp( surface->clip_region );
|
|
surface->clip_region = 0;
|
|
surface->funcs->set_clip( surface, NULL, 0 );
|
|
}
|
|
else if (clip_region && !NtGdiEqualRgn( clip_region, surface->clip_region ))
|
|
{
|
|
WINEREGION *data;
|
|
|
|
TRACE( "hwnd %p, surface %p %s, setting clip region %p\n", surface->hwnd, surface,
|
|
wine_dbgstr_rect( &surface->rect ), clip_region );
|
|
|
|
if (!surface->clip_region) surface->clip_region = NtGdiCreateRectRgn( 0, 0, 0, 0 );
|
|
NtGdiCombineRgn( surface->clip_region, clip_region, 0, RGN_COPY );
|
|
|
|
if ((data = GDI_GetObjPtr( clip_region, NTGDI_OBJ_REGION )))
|
|
{
|
|
surface->funcs->set_clip( surface, data->rects, data->numRects );
|
|
GDI_ReleaseObj( clip_region );
|
|
}
|
|
}
|
|
|
|
window_surface_unlock( surface );
|
|
}
|
|
|
|
W32KAPI void window_surface_set_shape( struct window_surface *surface, HRGN shape_region )
|
|
{
|
|
window_surface_lock( surface );
|
|
|
|
if (!shape_region && surface->shape_region)
|
|
{
|
|
NtGdiDeleteObjectApp( surface->shape_region );
|
|
surface->shape_region = 0;
|
|
surface->bounds = surface->rect;
|
|
}
|
|
else if (shape_region && !NtGdiEqualRgn( shape_region, surface->shape_region ))
|
|
{
|
|
if (!surface->shape_region) surface->shape_region = NtGdiCreateRectRgn( 0, 0, 0, 0 );
|
|
NtGdiCombineRgn( surface->shape_region, shape_region, 0, RGN_COPY );
|
|
surface->bounds = surface->rect;
|
|
}
|
|
|
|
window_surface_unlock( surface );
|
|
|
|
window_surface_flush( surface );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* register_window_surface
|
|
*
|
|
* Register a window surface in the global list, possibly replacing another one.
|
|
*/
|
|
void register_window_surface( struct window_surface *old, struct window_surface *new )
|
|
{
|
|
if (old == &dummy_surface) old = NULL;
|
|
if (new == &dummy_surface) new = NULL;
|
|
if (old == new) return;
|
|
pthread_mutex_lock( &surfaces_lock );
|
|
if (old) list_remove( &old->entry );
|
|
if (new) list_add_tail( &window_surfaces, &new->entry );
|
|
pthread_mutex_unlock( &surfaces_lock );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* flush_window_surfaces
|
|
*
|
|
* Flush pending output from all window surfaces.
|
|
*/
|
|
void flush_window_surfaces( BOOL idle )
|
|
{
|
|
static DWORD last_idle;
|
|
DWORD now;
|
|
struct window_surface *surface;
|
|
|
|
pthread_mutex_lock( &surfaces_lock );
|
|
now = NtGetTickCount();
|
|
if (idle) last_idle = now;
|
|
/* if not idle, we only flush if there's evidence that the app never goes idle */
|
|
else if ((int)(now - last_idle) < 50) goto done;
|
|
|
|
LIST_FOR_EACH_ENTRY( surface, &window_surfaces, struct window_surface, entry )
|
|
window_surface_flush( surface );
|
|
done:
|
|
pthread_mutex_unlock( &surfaces_lock );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* dump_rdw_flags
|
|
*/
|
|
static void dump_rdw_flags(UINT flags)
|
|
{
|
|
TRACE("flags:");
|
|
if (flags & RDW_INVALIDATE) TRACE(" RDW_INVALIDATE");
|
|
if (flags & RDW_INTERNALPAINT) TRACE(" RDW_INTERNALPAINT");
|
|
if (flags & RDW_ERASE) TRACE(" RDW_ERASE");
|
|
if (flags & RDW_VALIDATE) TRACE(" RDW_VALIDATE");
|
|
if (flags & RDW_NOINTERNALPAINT) TRACE(" RDW_NOINTERNALPAINT");
|
|
if (flags & RDW_NOERASE) TRACE(" RDW_NOERASE");
|
|
if (flags & RDW_NOCHILDREN) TRACE(" RDW_NOCHILDREN");
|
|
if (flags & RDW_ALLCHILDREN) TRACE(" RDW_ALLCHILDREN");
|
|
if (flags & RDW_UPDATENOW) TRACE(" RDW_UPDATENOW");
|
|
if (flags & RDW_ERASENOW) TRACE(" RDW_ERASENOW");
|
|
if (flags & RDW_FRAME) TRACE(" RDW_FRAME");
|
|
if (flags & RDW_NOFRAME) TRACE(" RDW_NOFRAME");
|
|
|
|
#define RDW_FLAGS \
|
|
(RDW_INVALIDATE | \
|
|
RDW_INTERNALPAINT | \
|
|
RDW_ERASE | \
|
|
RDW_VALIDATE | \
|
|
RDW_NOINTERNALPAINT | \
|
|
RDW_NOERASE | \
|
|
RDW_NOCHILDREN | \
|
|
RDW_ALLCHILDREN | \
|
|
RDW_UPDATENOW | \
|
|
RDW_ERASENOW | \
|
|
RDW_FRAME | \
|
|
RDW_NOFRAME)
|
|
|
|
if (flags & ~RDW_FLAGS) TRACE(" %04x", flags & ~RDW_FLAGS);
|
|
TRACE("\n");
|
|
#undef RDW_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 )
|
|
{
|
|
struct window_surface *surface = NULL;
|
|
NTSTATUS status;
|
|
HRGN vis_rgn = 0;
|
|
HWND top_win = 0;
|
|
DWORD flags = dce->flags;
|
|
DWORD paint_flags = 0;
|
|
size_t size = 256;
|
|
RECT win_rect, top_rect;
|
|
WND *win;
|
|
|
|
/* 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 = malloc( sizeof(*data) + size - 1 );
|
|
if (!data) return;
|
|
|
|
SERVER_START_REQ( get_visible_region )
|
|
{
|
|
req->window = wine_server_user_handle( 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 = NtGdiExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
|
|
top_win = wine_server_ptr_handle( reply->top_win );
|
|
win_rect = wine_server_get_rect( reply->win_rect );
|
|
top_rect = wine_server_get_rect( reply->top_rect );
|
|
paint_flags = reply->paint_flags;
|
|
}
|
|
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 );
|
|
set_dc_opengl_drawable( dce->hdc, NULL );
|
|
|
|
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 *old_rect )
|
|
{
|
|
UINT context;
|
|
struct dce *dce;
|
|
|
|
if (!win->parent) return;
|
|
|
|
context = set_thread_dpi_awareness_context( get_window_dpi_awareness_context( win->handle ) );
|
|
|
|
TRACE( "%p parent %p, old_rect %s\n", win->handle, win->parent, wine_dbgstr_rect( old_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->handle || is_child( win->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 tmp, new_window_rect, old_window_rect;
|
|
struct window_rects rects;
|
|
|
|
/* get the parent client-relative old/new window rects */
|
|
get_window_rects( win->handle, COORDS_PARENT, &rects, get_thread_dpi() );
|
|
old_window_rect = old_rect ? *old_rect : rects.window;
|
|
new_window_rect = rects.window;
|
|
|
|
/* get the DCE window rect in client-relative coordinates */
|
|
get_window_rects( dce->hwnd, COORDS_CLIENT, &rects, get_thread_dpi() );
|
|
if (win->parent != dce->hwnd)
|
|
{
|
|
/* map the window rects from parent client-relative to DCE window client-relative coordinates */
|
|
map_window_points( win->parent, dce->hwnd, (POINT *)&new_window_rect, 2, get_thread_dpi() );
|
|
map_window_points( win->parent, dce->hwnd, (POINT *)&old_window_rect, 2, get_thread_dpi() );
|
|
}
|
|
|
|
/* check if any of the window rects intersects with the DCE window rect */
|
|
if (intersect_rect( &tmp, &rects.window, &old_window_rect )) make_dc_dirty( dce );
|
|
else if (intersect_rect( &tmp, &rects.window, &new_window_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)
|
|
{
|
|
set_dc_opengl_drawable( dce->hdc, NULL );
|
|
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;
|
|
DWORD 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 )
|
|
{
|
|
DWORD 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 );
|
|
|
|
if (dce->hwnd != hwnd)
|
|
{
|
|
struct opengl_drawable *drawable = get_window_opengl_drawable( hwnd );
|
|
set_dc_opengl_drawable( dce->hdc, drawable );
|
|
if (drawable) opengl_drawable_release( drawable );
|
|
}
|
|
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 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserGetDC (win32u.@)
|
|
*/
|
|
HDC WINAPI NtUserGetDC( HWND hwnd )
|
|
{
|
|
if (!hwnd) return NtUserGetDCEx( 0, 0, DCX_CACHE | DCX_WINDOW );
|
|
return NtUserGetDCEx( hwnd, 0, DCX_USESTYLE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserGetWindowDC (win32u.@)
|
|
*/
|
|
HDC WINAPI NtUserGetWindowDC( HWND hwnd )
|
|
{
|
|
return NtUserGetDCEx( hwnd, 0, DCX_USESTYLE | DCX_WINDOW );
|
|
}
|
|
|
|
/**********************************************************************
|
|
* 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 )))
|
|
{
|
|
RtlSetLastWin32Error( 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) RtlSetLastWin32Error( 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)
|
|
{
|
|
struct window_rects rects;
|
|
UINT context;
|
|
RECT 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, &rects, get_thread_dpi() );
|
|
|
|
if ((*flags & UPDATE_NONCLIENT) ||
|
|
update.left < rects.client.left || update.top < rects.client.top ||
|
|
update.right > rects.client.right || update.bottom > rects.client.bottom)
|
|
{
|
|
client_rgn = NtGdiCreateRectRgn( rects.client.left, rects.client.top, rects.client.right, rects.client.bottom );
|
|
NtGdiCombineRgn( client_rgn, client_rgn, whole_rgn, RGN_AND );
|
|
|
|
/* check if update rgn contains complete nonclient area */
|
|
if (type == SIMPLEREGION && EqualRect( &rects.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)
|
|
{
|
|
/* Mark standard scroll bars as not painted before sending WM_NCPAINT */
|
|
style = get_window_long( hwnd, GWL_STYLE );
|
|
if (style & WS_HSCROLL)
|
|
set_standard_scroll_painted( hwnd, SB_HORZ, FALSE );
|
|
if (style & WS_VSCROLL)
|
|
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;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* move_window_bits
|
|
*
|
|
* Move the window bits when a window is resized, or moved within a parent window.
|
|
*/
|
|
void move_window_bits( HWND hwnd, const struct window_rects *rects, const RECT *valid_rects )
|
|
{
|
|
RECT dst = valid_rects[0], src = valid_rects[1];
|
|
|
|
if (src.left - rects->visible.left != dst.left - rects->visible.left ||
|
|
src.top - rects->visible.top != dst.top - rects->visible.top)
|
|
{
|
|
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 );
|
|
|
|
TRACE( "copying %s -> %s\n", wine_dbgstr_rect( &src ), wine_dbgstr_rect( &dst ));
|
|
OffsetRect( &src, -rects->window.left, -rects->window.top );
|
|
OffsetRect( &dst, -rects->window.left, -rects->window.top );
|
|
|
|
NtGdiStretchBlt( hdc, dst.left, dst.top, dst.right - dst.left, dst.bottom - dst.top,
|
|
hdc, src.left, src.top, src.right - src.left, src.bottom - src.top, SRCCOPY, 0 );
|
|
NtUserReleaseDC( hwnd, hdc );
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* move_window_bits_surface
|
|
*
|
|
* Move the window bits from a previous window surface when its surface is recreated.
|
|
*/
|
|
void move_window_bits_surface( HWND hwnd, const RECT *window_rect, struct window_surface *old_surface,
|
|
const RECT *old_visible_rect, const RECT *valid_rects )
|
|
{
|
|
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
|
|
BITMAPINFO *info = (BITMAPINFO *)buffer;
|
|
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 );
|
|
void *bits;
|
|
|
|
RECT dst = valid_rects[0];
|
|
RECT src = valid_rects[1];
|
|
|
|
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 );
|
|
|
|
window_surface_lock( old_surface );
|
|
bits = window_surface_get_color( old_surface, info );
|
|
NtGdiSetDIBitsToDeviceInternal( hdc, dst.left, dst.top, dst.right - dst.left, dst.bottom - dst.top,
|
|
src.left - old_surface->rect.left, old_surface->rect.bottom - src.bottom,
|
|
0, old_surface->rect.bottom - old_surface->rect.top,
|
|
bits, info, DIB_RGB_COLORS, 0, 0, FALSE, NULL );
|
|
window_surface_unlock( old_surface );
|
|
NtUserReleaseDC( hwnd, hdc );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* 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;
|
|
|
|
NtUserHideCaret( 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 )
|
|
{
|
|
NtUserShowCaret( 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->pProcessEvents( QS_PAINT );
|
|
|
|
if (rect && !hrgn)
|
|
{
|
|
RECT ordered = *rect;
|
|
|
|
order_rect( &ordered );
|
|
if (IsRectEmpty( &ordered )) ordered = empty;
|
|
ret = redraw_window_rects( hwnd, flags, &ordered, 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;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserValidateRect (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserValidateRect( HWND hwnd, const RECT *rect )
|
|
{
|
|
UINT flags = RDW_VALIDATE;
|
|
|
|
if (!hwnd)
|
|
{
|
|
flags = RDW_ALLCHILDREN | RDW_INVALIDATE | RDW_FRAME | RDW_ERASE | RDW_ERASENOW;
|
|
rect = NULL;
|
|
}
|
|
|
|
return NtUserRedrawWindow( hwnd, rect, 0, flags );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserValidateRgn (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserValidateRgn( HWND hwnd, HRGN hrgn )
|
|
{
|
|
if (!hwnd)
|
|
{
|
|
RtlSetLastWin32Error( ERROR_INVALID_WINDOW_HANDLE );
|
|
return FALSE;
|
|
}
|
|
|
|
return NtUserRedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserGetUpdateRgn (win32u.@)
|
|
*/
|
|
INT WINAPI NtUserGetUpdateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
|
|
{
|
|
INT retval = ERROR;
|
|
UINT flags = UPDATE_NOCHILDREN, context;
|
|
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)
|
|
{
|
|
UINT 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;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserInvalidateRgn (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserInvalidateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
|
|
{
|
|
if (!hwnd)
|
|
{
|
|
RtlSetLastWin32Error( ERROR_INVALID_WINDOW_HANDLE );
|
|
return FALSE;
|
|
}
|
|
|
|
return NtUserRedrawWindow( hwnd, NULL, hrgn, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserInvalidateRect (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserInvalidateRect( HWND hwnd, const RECT *rect, BOOL erase )
|
|
{
|
|
UINT flags = RDW_INVALIDATE | (erase ? RDW_ERASE : 0);
|
|
|
|
if (!hwnd)
|
|
{
|
|
flags = RDW_ALLCHILDREN | RDW_INVALIDATE | RDW_FRAME | RDW_ERASE | RDW_ERASENOW;
|
|
rect = NULL;
|
|
}
|
|
|
|
return NtUserRedrawWindow( hwnd, rect, 0, flags );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* NtUserLockWindowUpdate (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserLockWindowUpdate( HWND hwnd )
|
|
{
|
|
static HWND locked_hwnd;
|
|
|
|
FIXME( "(%p), partial stub!\n", hwnd );
|
|
|
|
if (!hwnd)
|
|
{
|
|
locked_hwnd = NULL;
|
|
return TRUE;
|
|
}
|
|
return !InterlockedCompareExchangePointer( (void **)&locked_hwnd, hwnd, 0 );
|
|
}
|
|
|
|
/*************************************************************************
|
|
* fix_caret
|
|
*
|
|
* Helper for NtUserScrollWindowEx:
|
|
* If the return value is 0, no special caret handling is necessary.
|
|
* Otherwise the return value is the handle of the window that owns the
|
|
* caret. Its caret needs to be hidden during the scroll operation and
|
|
* moved to new_caret_pos if move_caret is TRUE.
|
|
*/
|
|
static HWND fix_caret( HWND hwnd, const RECT *scroll_rect, INT dx, INT dy,
|
|
UINT flags, BOOL *move_caret, POINT *new_caret_pos )
|
|
{
|
|
RECT rect, mapped_caret;
|
|
GUITHREADINFO info;
|
|
|
|
info.cbSize = sizeof(info);
|
|
if (!NtUserGetGUIThreadInfo( GetCurrentThreadId(), &info )) return 0;
|
|
if (!info.hwndCaret) return 0;
|
|
|
|
mapped_caret = info.rcCaret;
|
|
if (info.hwndCaret == hwnd)
|
|
{
|
|
/* The caret needs to be moved along with scrolling even if it's
|
|
* outside the visible area. Otherwise, when the caret is scrolled
|
|
* out from the view, the position won't get updated anymore and
|
|
* the caret will never scroll back again. */
|
|
*move_caret = TRUE;
|
|
new_caret_pos->x = info.rcCaret.left + dx;
|
|
new_caret_pos->y = info.rcCaret.top + dy;
|
|
}
|
|
else
|
|
{
|
|
*move_caret = FALSE;
|
|
if (!(flags & SW_SCROLLCHILDREN) || !is_child( hwnd, info.hwndCaret ))
|
|
return 0;
|
|
map_window_points( info.hwndCaret, hwnd, (POINT *)&mapped_caret, 2, get_thread_dpi() );
|
|
}
|
|
|
|
/* If the caret is not in the src/dest rects, all is fine done. */
|
|
if (!intersect_rect( &rect, scroll_rect, &mapped_caret ))
|
|
{
|
|
rect = *scroll_rect;
|
|
OffsetRect( &rect, dx, dy );
|
|
if (!intersect_rect( &rect, &rect, &mapped_caret ))
|
|
return 0;
|
|
}
|
|
|
|
/* Indicate that the caret needs to be updated during the scrolling. */
|
|
return info.hwndCaret;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* NtUserScrollWindowEx (win32u.@)
|
|
*
|
|
* Note: contrary to what the doc says, pixels that are scrolled from the
|
|
* outside of clipRect to the inside are NOT painted.
|
|
*/
|
|
INT WINAPI NtUserScrollWindowEx( HWND hwnd, INT dx, INT dy, const RECT *rect,
|
|
const RECT *clip_rect, HRGN update_rgn,
|
|
RECT *update_rect, UINT flags )
|
|
{
|
|
BOOL update = update_rect || update_rgn || flags & (SW_INVALIDATE | SW_ERASE);
|
|
BOOL own_rgn = TRUE, move_caret = FALSE;
|
|
HRGN temp_rgn, winupd_rgn = 0;
|
|
INT retval = NULLREGION;
|
|
HWND caret_hwnd = NULL;
|
|
POINT new_caret_pos;
|
|
RECT rc, cliprc;
|
|
int rdw_flags;
|
|
HDC hdc;
|
|
|
|
TRACE( "%p, %d,%d update_rgn=%p update_rect = %p %s %04x\n",
|
|
hwnd, dx, dy, update_rgn, update_rect, wine_dbgstr_rect(rect), flags );
|
|
TRACE( "clip_rect = %s\n", wine_dbgstr_rect(clip_rect) );
|
|
if (flags & ~(SW_SCROLLCHILDREN | SW_INVALIDATE | SW_ERASE | SW_NODCCACHE))
|
|
FIXME( "some flags (%04x) are unhandled\n", flags );
|
|
|
|
rdw_flags = (flags & SW_ERASE) && (flags & SW_INVALIDATE) ?
|
|
RDW_INVALIDATE | RDW_ERASE : RDW_INVALIDATE;
|
|
|
|
hwnd = get_full_window_handle( hwnd );
|
|
|
|
if (!is_window_drawable( hwnd, TRUE ))
|
|
SetRectEmpty( &rc );
|
|
else
|
|
get_client_rect( hwnd, &rc, get_thread_dpi() );
|
|
|
|
if (clip_rect) intersect_rect( &cliprc, &rc, clip_rect );
|
|
else cliprc = rc;
|
|
|
|
if (rect) intersect_rect( &rc, &rc, rect );
|
|
if (update_rgn) own_rgn = FALSE;
|
|
else if (update) update_rgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
|
|
|
|
new_caret_pos.x = new_caret_pos.y = 0;
|
|
|
|
if (!IsRectEmpty( &cliprc ) && (dx || dy))
|
|
{
|
|
DWORD style = get_window_long( hwnd, GWL_STYLE );
|
|
DWORD dcxflags = 0;
|
|
|
|
caret_hwnd = fix_caret( hwnd, &rc, dx, dy, flags, &move_caret, &new_caret_pos );
|
|
if (caret_hwnd) NtUserHideCaret( caret_hwnd );
|
|
|
|
if (!(flags & SW_NODCCACHE)) dcxflags |= DCX_CACHE;
|
|
if (style & WS_CLIPSIBLINGS) dcxflags |= DCX_CLIPSIBLINGS;
|
|
if (get_class_long( hwnd, GCL_STYLE, FALSE ) & CS_PARENTDC) dcxflags |= DCX_PARENTCLIP;
|
|
if (!(flags & SW_SCROLLCHILDREN) && (style & WS_CLIPCHILDREN))
|
|
dcxflags |= DCX_CLIPCHILDREN;
|
|
hdc = NtUserGetDCEx( hwnd, 0, dcxflags);
|
|
if (hdc)
|
|
{
|
|
NtUserScrollDC( hdc, dx, dy, &rc, &cliprc, update_rgn, update_rect );
|
|
NtUserReleaseDC( hwnd, hdc );
|
|
if (!update) NtUserRedrawWindow( hwnd, NULL, update_rgn, rdw_flags );
|
|
}
|
|
|
|
/* If the windows has an update region, this must be scrolled as well.
|
|
* Keep a copy in winupd_rgn to be added to hrngUpdate at the end. */
|
|
temp_rgn = NtGdiCreateRectRgn( 0, 0, 0, 0 );
|
|
retval = NtUserGetUpdateRgn( hwnd, temp_rgn, FALSE );
|
|
if (retval != NULLREGION)
|
|
{
|
|
HRGN clip_rgn = NtGdiCreateRectRgn( cliprc.left, cliprc.top,
|
|
cliprc.right, cliprc.bottom );
|
|
if (!own_rgn)
|
|
{
|
|
winupd_rgn = NtGdiCreateRectRgn( 0, 0, 0, 0);
|
|
NtGdiCombineRgn( winupd_rgn, temp_rgn, 0, RGN_COPY);
|
|
}
|
|
NtGdiOffsetRgn( temp_rgn, dx, dy );
|
|
NtGdiCombineRgn( temp_rgn, temp_rgn, clip_rgn, RGN_AND );
|
|
if (!own_rgn) NtGdiCombineRgn( winupd_rgn, winupd_rgn, temp_rgn, RGN_OR );
|
|
NtUserRedrawWindow( hwnd, NULL, temp_rgn, rdw_flags );
|
|
|
|
/*
|
|
* Catch the case where the scrolling amount exceeds the size of the
|
|
* original window. This generated a second update area that is the
|
|
* location where the original scrolled content would end up.
|
|
* This second region is not returned by the ScrollDC and sets
|
|
* ScrollWindowEx apart from just a ScrollDC.
|
|
*
|
|
* This has been verified with testing on windows.
|
|
*/
|
|
if (abs( dx ) > abs( rc.right - rc.left ) || abs( dy ) > abs( rc.bottom - rc.top ))
|
|
{
|
|
NtGdiSetRectRgn( temp_rgn, rc.left + dx, rc.top + dy, rc.right+dx, rc.bottom + dy );
|
|
NtGdiCombineRgn( temp_rgn, temp_rgn, clip_rgn, RGN_AND );
|
|
NtGdiCombineRgn( update_rgn, update_rgn, temp_rgn, RGN_OR );
|
|
|
|
if (update_rect)
|
|
{
|
|
RECT temp_rect;
|
|
NtGdiGetRgnBox( temp_rgn, &temp_rect );
|
|
union_rect( update_rect, update_rect, &temp_rect );
|
|
}
|
|
|
|
if (!own_rgn) NtGdiCombineRgn( winupd_rgn, winupd_rgn, temp_rgn, RGN_OR );
|
|
}
|
|
NtGdiDeleteObjectApp( clip_rgn );
|
|
}
|
|
NtGdiDeleteObjectApp( temp_rgn );
|
|
}
|
|
else
|
|
{
|
|
/* nothing was scrolled */
|
|
if (!own_rgn) NtGdiSetRectRgn( update_rgn, 0, 0, 0, 0 );
|
|
SetRectEmpty( update_rect );
|
|
}
|
|
|
|
if (flags & SW_SCROLLCHILDREN)
|
|
{
|
|
HWND *list = list_window_children( hwnd );
|
|
if (list)
|
|
{
|
|
RECT r, dummy;
|
|
int i;
|
|
|
|
for (i = 0; list[i]; i++)
|
|
{
|
|
get_window_rect_rel( list[i], COORDS_PARENT, &r, get_thread_dpi() );
|
|
if (!rect || intersect_rect( &dummy, &r, rect ))
|
|
NtUserSetWindowPos( list[i], 0, r.left + dx, r.top + dy, 0, 0,
|
|
SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE |
|
|
SWP_NOREDRAW | SWP_DEFERERASE );
|
|
}
|
|
free( list );
|
|
}
|
|
}
|
|
|
|
if (flags & (SW_INVALIDATE | SW_ERASE))
|
|
NtUserRedrawWindow( hwnd, NULL, update_rgn, rdw_flags |
|
|
((flags & SW_SCROLLCHILDREN) ? RDW_ALLCHILDREN : 0 ) );
|
|
|
|
if (winupd_rgn)
|
|
{
|
|
NtGdiCombineRgn( update_rgn, update_rgn, winupd_rgn, RGN_OR );
|
|
NtGdiDeleteObjectApp( winupd_rgn );
|
|
}
|
|
|
|
if (move_caret) NtUserSetCaretPos( new_caret_pos.x, new_caret_pos.y );
|
|
if (caret_hwnd) NtUserShowCaret( caret_hwnd );
|
|
if (own_rgn && update_rgn) NtGdiDeleteObjectApp( update_rgn );
|
|
|
|
return retval;
|
|
}
|
|
|
|
/************************************************************************
|
|
* NtUserPrintWindow (win32u.@)
|
|
*/
|
|
BOOL WINAPI NtUserPrintWindow( HWND hwnd, HDC hdc, UINT flags )
|
|
{
|
|
UINT prf_flags = PRF_CHILDREN | PRF_ERASEBKGND | PRF_OWNED | PRF_CLIENT;
|
|
if (!(flags & PW_CLIENTONLY)) prf_flags |= PRF_NONCLIENT;
|
|
send_message( hwnd, WM_PRINT, (WPARAM)hdc, prf_flags );
|
|
return TRUE;
|
|
}
|