system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-11-01 07:37:02 +00:00
Code Issues Projects Releases Packages Wiki Activity

win32u: Lock display devices while applying display settings.

Browse source
This commit is contained in:
Rémi Bernon 2022-09-27 18:26:39 +02:00 committed by Alexandre Julliard
parent de1d2223c4
commit 3468e96d3b
1 changed files with 17 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
dlls/win32u/sysparams.c
View file

@ -2211,10 +2211,8 @@ static DEVMODEW *get_display_settings( const WCHAR *devname, const DEVMODEW *dev
struct adapter *adapter;
BOOL ret;
if (!lock_display_devices()) return NULL;
/* allocate an extra mode for easier iteration */
if (!(displays = calloc( list_count( &adapters ) + 1, sizeof(DEVMODEW) ))) goto done;
if (!(displays = calloc( list_count( &adapters ) + 1, sizeof(DEVMODEW) ))) return NULL;
mode = displays;
LIST_FOR_EACH_ENTRY( adapter, &adapters, struct adapter, entry )
@ -2226,20 +2224,18 @@ static DEVMODEW *get_display_settings( const WCHAR *devname, const DEVMODEW *dev
{
if (!devname) ret = adapter_get_registry_settings( adapter, mode );
else ret = adapter_get_current_settings( adapter, mode );
if (!ret) goto done;
if (!ret)
{
free( displays );
return NULL;
}
}
lstrcpyW( mode->dmDeviceName, adapter->dev.device_name );
mode = NEXT_DEVMODEW(mode);
}
unlock_display_devices();
return displays;
done:
unlock_display_devices();
free( displays );
return NULL;
}
static INT offset_length( POINT offset )
@ -2433,15 +2429,21 @@ static LONG apply_display_settings( const WCHAR *devname, const DEVMODEW *devmod
HWND hwnd, DWORD flags, void *lparam )
{
WCHAR primary_name[CCHDEVICENAME];
struct display_device *primary;
struct adapter *adapter;
DEVMODEW *displays;
LONG ret;
displays = get_display_settings( devname, devmode );
if (!displays) return DISP_CHANGE_FAILED;
if (!lock_display_devices()) return DISP_CHANGE_FAILED;
if (!(displays = get_display_settings( devname, devmode )))
{
unlock_display_devices();
return DISP_CHANGE_FAILED;
}
if (all_detached_settings( displays ))
{
unlock_display_devices();
WARN( "Detaching all modes is not permitted.\n" );
free( displays );
return DISP_CHANGE_SUCCESSFUL;
@ -2449,14 +2451,11 @@ static LONG apply_display_settings( const WCHAR *devname, const DEVMODEW *devmod
place_all_displays( displays );
if (!(adapter = find_adapter( NULL ))) primary_name[0] = 0;
else
{
wcscpy( primary_name, adapter->dev.device_name );
adapter_release( adapter );
}
if (!(primary = find_adapter_device_by_id( 0 ))) primary_name[0] = 0;
else wcscpy( primary_name, primary->device_name );
ret = user_driver->pChangeDisplaySettings( displays, primary_name, hwnd, flags, lparam );
unlock_display_devices();
free( displays );
if (ret) return ret;