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wintab32: Retrieve the graphics driver name from the registry.

This commit is contained in:
Alexandre Julliard 2013-10-22 16:16:09 +02:00
parent d85b22cbca
commit 6fe63e74d0
2 changed files with 36 additions and 6 deletions
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2
dlls/wintab32/Makefile.in
View File

@ -1,6 +1,6 @@
MODULE = wintab32.dll
IMPORTLIB = wintab32
IMPORTS = user32 gdi32
IMPORTS = user32 advapi32
C_SRCS = \
context.c \

40
dlls/wintab32/wintab32.c
View File

@ -22,13 +22,14 @@
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#define NOFIX32
#include "wintab.h"
#include "wintab_internal.h"
#include "wine/gdi_driver.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wintab32);
@ -71,6 +72,38 @@ static VOID TABLET_Unregister(void)
UnregisterClassW(WC_TABLETCLASSNAME, NULL);
}
static HMODULE load_graphics_driver(void)
{
static const WCHAR display_device_guid_propW[] = {
'_','_','w','i','n','e','_','d','i','s','p','l','a','y','_',
'd','e','v','i','c','e','_','g','u','i','d',0 };
static const WCHAR key_pathW[] = {
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'V','i','d','e','o','\\','{',0};
static const WCHAR displayW[] = {'}','\\','0','0','0','0',0};
static const WCHAR driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0};
HMODULE ret = 0;
HKEY hkey;
DWORD size;
WCHAR path[MAX_PATH];
WCHAR key[(sizeof(key_pathW) + sizeof(displayW)) / sizeof(WCHAR) + 40];
UINT guid_atom = HandleToULong( GetPropW( GetDesktopWindow(), display_device_guid_propW ));
if (!guid_atom) return 0;
memcpy( key, key_pathW, sizeof(key_pathW) );
if (!GlobalGetAtomNameW( guid_atom, key + strlenW(key), 40 )) return 0;
strcatW( key, displayW );
if (RegOpenKeyW( HKEY_LOCAL_MACHINE, key, &hkey )) return 0;
size = sizeof(path);
if (!RegQueryValueExW( hkey, driverW, NULL, NULL, (BYTE *)path, &size )) ret = LoadLibraryW( path );
RegCloseKey( hkey );
TRACE( "%s %p\n", debugstr_w(path), ret );
return ret;
}
BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpReserved)
{
static const WCHAR name[] = {'T','a','b','l','e','t',0};
@ -86,14 +119,11 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpReserved)
WS_POPUPWINDOW,0,0,0,0,0,0,hInstDLL,0);
if (hwndDefault)
{
HDC hdc = GetDC( hwndDefault );
HMODULE module = __wine_get_driver_module( hdc );
HMODULE module = load_graphics_driver();
pLoadTabletInfo = (void *)GetProcAddress(module, "LoadTabletInfo");
pAttachEventQueueToTablet = (void *)GetProcAddress(module, "AttachEventQueueToTablet");
pGetCurrentPacket = (void *)GetProcAddress(module, "GetCurrentPacket");
pWTInfoW = (void *)GetProcAddress(module, "WTInfoW");
ReleaseDC( hwndDefault, hdc );
}
else
return FALSE;