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win32u: Fill the local full_mode variable instead of using the modes array.

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Rémi Bernon 2022-09-09 10:51:53 +02:00 committed by Alexandre Julliard
parent 9cbc9386b9
commit b197bd3bf8
1 changed files with 17 additions and 15 deletions
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32
dlls/win32u/sysparams.c
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@ -2108,9 +2108,9 @@ static BOOL is_detached_mode( const DEVMODEW *mode )
mode->dmPelsHeight == 0;
}
static DEVMODEW *find_display_mode( DEVMODEW *modes, DEVMODEW *devmode )
static const DEVMODEW *find_display_mode( const DEVMODEW *modes, DEVMODEW *devmode )
{
DEVMODEW *mode;
const DEVMODEW *mode;
if (is_detached_mode( devmode )) return devmode;
@ -2140,16 +2140,16 @@ static DEVMODEW *find_display_mode( DEVMODEW *modes, DEVMODEW *devmode )
return NULL;
}
static DEVMODEW *get_full_mode( const WCHAR *adapter_path, const WCHAR *device_name, DEVMODEW *adapter_modes,
DEVMODEW *devmode, DEVMODEW *full_mode )
static BOOL get_full_mode( const WCHAR *adapter_path, const WCHAR *device_name, const DEVMODEW *adapter_modes,
const DEVMODEW *devmode, DEVMODEW *full_mode )
{
DEVMODEW *adapter_mode;
const DEVMODEW *adapter_mode;
if (devmode)
{
trace_devmode( devmode );
if (devmode->dmSize < offsetof(DEVMODEW, dmICMMethod)) return NULL;
if (devmode->dmSize < offsetof(DEVMODEW, dmICMMethod)) return FALSE;
if (!is_detached_mode( devmode ) &&
(!(devmode->dmFields & DM_BITSPERPEL) || !devmode->dmBitsPerPel) &&
(!(devmode->dmFields & DM_PELSWIDTH) || !devmode->dmPelsWidth) &&
@ -2161,20 +2161,20 @@ static DEVMODEW *get_full_mode( const WCHAR *adapter_path, const WCHAR *device_n
if (devmode) memcpy( full_mode, devmode, devmode->dmSize );
else
{
if (!read_registry_settings( adapter_path, full_mode )) return NULL;
if (!read_registry_settings( adapter_path, full_mode )) return FALSE;
TRACE( "Return to original display mode\n" );
}
if ((full_mode->dmFields & (DM_PELSWIDTH | DM_PELSHEIGHT)) != (DM_PELSWIDTH | DM_PELSHEIGHT))
{
WARN( "devmode doesn't specify the resolution: %#x\n", full_mode->dmFields );
return NULL;
return FALSE;
}
if (!is_detached_mode( full_mode ) && (!full_mode->dmPelsWidth || !full_mode->dmPelsHeight || !(full_mode->dmFields & DM_POSITION)))
{
DEVMODEW current_mode = {.dmSize = sizeof(DEVMODEW)};
if (!user_driver->pGetCurrentDisplaySettings( device_name, &current_mode )) return NULL;
if (!user_driver->pGetCurrentDisplaySettings( device_name, &current_mode )) return FALSE;
if (!full_mode->dmPelsWidth) full_mode->dmPelsWidth = current_mode.dmPelsWidth;
if (!full_mode->dmPelsHeight) full_mode->dmPelsHeight = current_mode.dmPelsHeight;
if (!(full_mode->dmFields & DM_POSITION))
@ -2186,11 +2186,13 @@ static DEVMODEW *get_full_mode( const WCHAR *adapter_path, const WCHAR *device_n
if ((adapter_mode = find_display_mode( adapter_modes, full_mode )) && adapter_mode != full_mode)
{
adapter_mode->dmFields |= DM_POSITION;
adapter_mode->dmPosition = full_mode->dmPosition;
POINTL position = full_mode->dmPosition;
*full_mode = *adapter_mode;
full_mode->dmFields |= DM_POSITION;
full_mode->dmPosition = position;
}
return adapter_mode;
return adapter_mode != NULL;
}
static DEVMODEW *get_display_settings( const WCHAR *devname, const DEVMODEW *devmode )
@ -2473,10 +2475,10 @@ LONG WINAPI NtUserChangeDisplaySettings( UNICODE_STRING *devname, DEVMODEW *devm
return DISP_CHANGE_BADPARAM;
}
if (!(devmode = get_full_mode( adapter_path, device_name, modes, devmode, &full_mode ))) ret = DISP_CHANGE_BADMODE;
else if ((flags & CDS_UPDATEREGISTRY) && !write_registry_settings( adapter_path, devmode )) ret = DISP_CHANGE_NOTUPDATED;
if (!get_full_mode( adapter_path, device_name, modes, devmode, &full_mode )) ret = DISP_CHANGE_BADMODE;
else if ((flags & CDS_UPDATEREGISTRY) && !write_registry_settings( adapter_path, &full_mode )) ret = DISP_CHANGE_NOTUPDATED;
else if (flags & (CDS_TEST | CDS_NORESET)) ret = DISP_CHANGE_SUCCESSFUL;
else ret = apply_display_settings( device_name, devmode, hwnd, flags, lparam );
else ret = apply_display_settings( device_name, &full_mode, hwnd, flags, lparam );
free( modes );
if (ret) ERR( "Changing %s display settings returned %d.\n", debugstr_us(devname), ret );