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imm32: Retrieve the graphics driver name from the registry.

This commit is contained in:
Alexandre Julliard 2013-10-22 16:15:01 +02:00
parent a6c7f6a4ba
commit d85b22cbca
1 changed files with 34 additions and 8 deletions
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42
dlls/imm32/imm.c
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@ -32,8 +32,8 @@
#include "ddk/imm.h"
#include "winnls.h"
#include "winreg.h"
#include "wine/gdi_driver.h"
#include "wine/list.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(imm);
@ -245,6 +245,38 @@ static void IMM_FreeThreadData(void)
}
}
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;
}
/* ImmHkl loading and freeing */
#define LOAD_FUNCPTR(f) if((ptr->p##f = (LPVOID)GetProcAddress(ptr->hIME, #f)) == NULL){WARN("Can't find function %s in ime\n", #f);}
static ImmHkl *IMM_GetImmHkl(HKL hkl)
@ -265,13 +297,7 @@ static ImmHkl *IMM_GetImmHkl(HKL hkl)
ptr->hkl = hkl;
if (ImmGetIMEFileNameW(hkl, filename, MAX_PATH)) ptr->hIME = LoadLibraryW(filename);
if (!ptr->hIME)
{
HDC hdc = GetDC( 0 );
GetModuleHandleExW( GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
(LPCWSTR)__wine_get_driver_module( hdc ), &ptr->hIME );
ReleaseDC( 0, hdc );
}
if (!ptr->hIME) ptr->hIME = load_graphics_driver();
if (ptr->hIME)
{
LOAD_FUNCPTR(ImeInquire);