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winex11: Try to read the dpi from the user key first. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2017-04-27 11:02:33 +01:00 committed by Alexandre Julliard
parent 39b467da61
commit d645c6ffac
1 changed files with 37 additions and 18 deletions
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49
dlls/winex11.drv/init.c
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@ -42,12 +42,37 @@ static Pixmap stock_bitmap_pixmap; /* phys bitmap for the default stock bitmap
static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
static const WCHAR dpi_key_name[] = {'C','o','n','t','r','o','l',' ','P','a','n','e','l','\\','D','e','s','k','t','o','p','\0'};
static const WCHAR def_dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
static const struct gdi_dc_funcs x11drv_funcs;
static const struct gdi_dc_funcs *xrender_funcs;
/******************************************************************************
* get_reg_dword
*
* Read a DWORD value from the registry
*/
static BOOL get_reg_dword(HKEY base, const WCHAR *key_name, const WCHAR *value_name, DWORD *value)
{
HKEY key;
DWORD type, data, size = sizeof(data);
BOOL ret = FALSE;
if (RegOpenKeyW(base, key_name, &key) == ERROR_SUCCESS)
{
if (RegQueryValueExW(key, value_name, NULL, &type, (void *)&data, &size) == ERROR_SUCCESS &&
type == REG_DWORD)
{
*value = data;
ret = TRUE;
}
RegCloseKey(key);
}
return ret;
}
/******************************************************************************
* get_dpi
*
@ -55,22 +80,13 @@ static const struct gdi_dc_funcs *xrender_funcs;
*/
static DWORD get_dpi(void)
{
DWORD dpi = 96;
HKEY hkey;
DWORD dpi;
if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
{
DWORD type, size, new_dpi;
size = sizeof(new_dpi);
if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
{
if(type == REG_DWORD && new_dpi != 0)
dpi = new_dpi;
}
RegCloseKey(hkey);
}
if (get_reg_dword(HKEY_CURRENT_USER, dpi_key_name, dpi_value_name, &dpi))
return dpi;
if (get_reg_dword(HKEY_CURRENT_CONFIG, def_dpi_key_name, dpi_value_name, &dpi))
return dpi;
return 0;
}
/**********************************************************************
@ -92,6 +108,9 @@ static BOOL WINAPI device_init( INIT_ONCE *once, void *param, void **context )
/* Initialize device caps */
log_pixels_x = log_pixels_y = get_dpi();
if (!log_pixels_x)
log_pixels_x = log_pixels_y = USER_DEFAULT_SCREEN_DPI;
return TRUE;
}