user32: Cache monitor information.
Multiple applications call EnumDisplayMonitors very frequently. Reduce most of the overhead by caching. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47431 Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -305,6 +305,19 @@ static const WCHAR MONITOR_INTERFACE_PREFIX[] = {'\\','\\','\?','\\',0};
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static const WCHAR GUID_DEVINTERFACE_MONITOR[] = {'#','{','e','6','f','0','7','b','5','f','-','e','e','9','7','-',
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'4','a','9','0','-','b','0','7','6','-','3','3','f','5','7','b','f','4','e','a','a','7','}',0};
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/* Cached monitor information */
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static MONITORINFOEXW *monitors;
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static UINT monitor_count;
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static FILETIME last_query_monitors_time;
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static CRITICAL_SECTION monitors_section;
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static CRITICAL_SECTION_DEBUG monitors_critsect_debug =
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{
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0, 0, &monitors_section,
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{ &monitors_critsect_debug.ProcessLocksList, &monitors_critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": monitors_section") }
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};
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static CRITICAL_SECTION monitors_section = { &monitors_critsect_debug, -1 , 0, 0, 0, 0 };
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static HDC display_dc;
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static CRITICAL_SECTION display_dc_section;
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static CRITICAL_SECTION_DEBUG critsect_debug =
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@ -328,6 +341,7 @@ static DPI_AWARENESS dpi_awareness;
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static DPI_AWARENESS default_awareness = DPI_AWARENESS_UNAWARE;
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static HKEY volatile_base_key;
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static HKEY video_key;
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union sysparam_all_entry;
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@ -3723,15 +3737,85 @@ HMONITOR WINAPI MonitorFromWindow(HWND hWnd, DWORD dwFlags)
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return MonitorFromRect( &rect, dwFlags );
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}
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BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, MONITORINFO *info )
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/* Return FALSE on failure and TRUE on success */
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static BOOL update_monitor_cache(void)
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{
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SP_DEVINFO_DATA device_data = {sizeof(device_data)};
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WCHAR adapter_name[CCHDEVICENAME];
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HDEVINFO devinfo;
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DWORD error = 0;
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HANDLE mutex;
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HDEVINFO devinfo = INVALID_HANDLE_VALUE;
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MONITORINFOEXW *monitor_array;
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FILETIME filetime = {0};
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DWORD device_count = 0;
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HANDLE mutex = NULL;
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DWORD state_flags;
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BOOL ret = FALSE;
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DWORD i = 0;
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DWORD type;
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BOOL ret;
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/* Update monitor cache from SetupAPI if it's outdated */
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if (!video_key && RegOpenKeyW( HKEY_LOCAL_MACHINE, VIDEO_KEY, &video_key ))
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return FALSE;
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if (RegQueryInfoKeyW( video_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &filetime ))
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return FALSE;
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if (CompareFileTime( &filetime, &last_query_monitors_time ) < 1)
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return TRUE;
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mutex = get_display_device_init_mutex();
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EnterCriticalSection( &monitors_section );
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devinfo = SetupDiGetClassDevsW( &GUID_DEVCLASS_MONITOR, DISPLAY, NULL, DIGCF_PRESENT );
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while (SetupDiEnumDeviceInfo( devinfo, i++, &device_data ))
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{
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/* Inactive monitors don't get enumerated */
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if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_STATEFLAGS, &type,
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(BYTE *)&state_flags, sizeof(DWORD), NULL, 0 ))
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goto fail;
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if (state_flags & DISPLAY_DEVICE_ACTIVE)
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device_count++;
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}
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if (device_count && monitor_count < device_count)
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{
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monitor_array = heap_alloc( device_count * sizeof(*monitor_array) );
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if (!monitor_array)
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goto fail;
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heap_free( monitors );
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monitors = monitor_array;
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}
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for (i = 0, monitor_count = 0; SetupDiEnumDeviceInfo( devinfo, i, &device_data ); i++)
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{
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if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_STATEFLAGS, &type,
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(BYTE *)&state_flags, sizeof(DWORD), NULL, 0 ))
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goto fail;
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if (!(state_flags & DISPLAY_DEVICE_ACTIVE))
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continue;
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if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCMONITOR, &type,
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(BYTE *)&monitors[monitor_count].rcMonitor, sizeof(RECT), NULL, 0 ))
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goto fail;
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if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCWORK, &type,
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(BYTE *)&monitors[monitor_count].rcWork, sizeof(RECT), NULL, 0 ))
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goto fail;
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if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_ADAPTERNAME, &type,
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(BYTE *)monitors[monitor_count].szDevice, CCHDEVICENAME * sizeof(WCHAR), NULL, 0))
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goto fail;
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monitors[monitor_count].dwFlags =
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!lstrcmpW( DEFAULT_ADAPTER_NAME, monitors[monitor_count].szDevice ) ? MONITORINFOF_PRIMARY : 0;
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monitor_count++;
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}
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last_query_monitors_time = filetime;
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ret = TRUE;
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fail:
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SetupDiDestroyDeviceInfoList( devinfo );
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LeaveCriticalSection( &monitors_section );
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release_display_device_init_mutex( mutex );
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return ret;
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}
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BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, MONITORINFO *info )
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{
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UINT index = (UINT_PTR)handle - 1;
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TRACE("(%p, %p)\n", handle, info);
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@ -3747,32 +3831,26 @@ BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, MONITORINFO *info )
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return TRUE;
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}
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/* Use SetupAPI to get monitors */
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mutex = get_display_device_init_mutex();
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devinfo = SetupDiGetClassDevsW( &GUID_DEVCLASS_MONITOR, DISPLAY, NULL, DIGCF_PRESENT );
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if (SetupDiEnumDeviceInfo(devinfo, (DWORD)(UINT_PTR)handle - 1, &device_data))
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if (!update_monitor_cache())
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return FALSE;
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EnterCriticalSection( &monitors_section );
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if (index < monitor_count)
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{
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SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCMONITOR, &type,
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(BYTE *)&info->rcMonitor, sizeof(info->rcMonitor), NULL, 0 );
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SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCWORK, &type,
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(BYTE *)&info->rcWork, sizeof(info->rcWork), NULL, 0 );
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SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_ADAPTERNAME, &type,
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(BYTE *)adapter_name, sizeof(adapter_name), NULL, 0 );
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info->dwFlags = !lstrcmpW( DEFAULT_ADAPTER_NAME, adapter_name ) ? MONITORINFOF_PRIMARY : 0;
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info->rcMonitor = monitors[index].rcMonitor;
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info->rcWork = monitors[index].rcWork;
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info->dwFlags = monitors[index].dwFlags;
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if (info->cbSize >= sizeof(MONITORINFOEXW))
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lstrcpyW( ((MONITORINFOEXW *)info)->szDevice, adapter_name );
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ret = TRUE;
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lstrcpyW( ((MONITORINFOEXW *)info)->szDevice, monitors[index].szDevice );
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LeaveCriticalSection( &monitors_section );
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return TRUE;
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}
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else
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{
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error = ERROR_INVALID_MONITOR_HANDLE;
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ret = FALSE;
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}
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SetupDiDestroyDeviceInfoList( devinfo );
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release_display_device_init_mutex( mutex );
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if (error)
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LeaveCriticalSection( &monitors_section );
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SetLastError( ERROR_INVALID_MONITOR_HANDLE );
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return ret;
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return FALSE;
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}
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}
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/***********************************************************************
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@ -3875,56 +3953,29 @@ static BOOL CALLBACK enum_mon_callback( HMONITOR monitor, HDC hdc, LPRECT rect,
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BOOL CDECL nulldrv_EnumDisplayMonitors( HDC hdc, RECT *rect, MONITORENUMPROC proc, LPARAM lp )
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{
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SP_DEVINFO_DATA device_data = {sizeof(device_data)};
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USEROBJECTFLAGS flags;
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HWINSTA winstation;
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BOOL success = FALSE;
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HDEVINFO devinfo;
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RECT monitor_rect;
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DWORD state_flags;
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HANDLE mutex;
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DWORD type;
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DWORD i = 0;
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RECT default_rect = {0, 0, 640, 480};
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DWORD i;
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TRACE("(%p, %p, %p, 0x%lx)\n", hdc, rect, proc, lp);
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/* Use SetupAPI to get monitors only if window station has visible display surfaces */
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winstation = GetProcessWindowStation();
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if (GetUserObjectInformationA( winstation, UOI_FLAGS, &flags, sizeof(flags), NULL ) && (flags.dwFlags & WSF_VISIBLE))
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if (update_monitor_cache())
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{
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mutex = get_display_device_init_mutex();
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devinfo = SetupDiGetClassDevsW( &GUID_DEVCLASS_MONITOR, DISPLAY, NULL, DIGCF_PRESENT );
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while (SetupDiEnumDeviceInfo( devinfo, i++, &device_data ))
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EnterCriticalSection( &monitors_section );
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for (i = 0; i < monitor_count; i++)
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{
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/* Inactive monitors don't get enumerated */
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if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_STATEFLAGS, &type,
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(BYTE *)&state_flags, sizeof(state_flags), NULL, 0 )
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|| !(state_flags & DISPLAY_DEVICE_ACTIVE))
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continue;
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if (SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCMONITOR, &type,
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(BYTE *)&monitor_rect, sizeof(monitor_rect), NULL, 0 ))
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if (!proc( (HMONITOR)(UINT_PTR)(i + 1), hdc, &monitors[i].rcMonitor, lp ))
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{
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if (!proc( (HMONITOR)(UINT_PTR)i, hdc, &monitor_rect, lp ))
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{
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SetupDiDestroyDeviceInfoList( devinfo );
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release_display_device_init_mutex( mutex );
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LeaveCriticalSection( &monitors_section );
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return FALSE;
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}
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success = TRUE;
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}
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}
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SetupDiDestroyDeviceInfoList( devinfo );
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release_display_device_init_mutex( mutex );
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LeaveCriticalSection( &monitors_section );
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return TRUE;
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}
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/* Fallback to report one monitor if using SetupAPI failed */
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if (!success)
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{
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RECT default_rect = {0, 0, 640, 480};
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if (!proc( NULLDRV_DEFAULT_HMONITOR, hdc, &default_rect, lp ))
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return FALSE;
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}
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return TRUE;
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}
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