winamp/Src/Winamp/wintheme.cpp

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2024-09-24 12:54:57 +00:00
#include "main.h"
#include "./wintheme.h"
typedef HRESULT(WINAPI *UXTHEME_SETWINDOWTHEME)(HWND /*hwnd*/, LPCWSTR /*pszSubAppName*/, LPCWSTR /*pszSubIdList*/);
typedef BOOL (WINAPI *UXTHEME_ISAPPTHEMED)(void);
typedef HRESULT (WINAPI *DWM_SETWINDOWATTRIBUTE)(HWND /*hwnd*/, DWORD /*dwAttribute*/, LPCVOID /*pvAttribute*/, DWORD /*cbAttribute*/);
typedef HRESULT (WINAPI *DWM_ISCOMPOSITIONENABLED)(BOOL* /*pfEnabled*/);
static DWM_SETWINDOWATTRIBUTE fnSetWindowAttribute = NULL;
static DWM_ISCOMPOSITIONENABLED fnIsCompositionEnabled = NULL;
static UXTHEME_SETWINDOWTHEME fnSetWindowTheme = NULL;
static UXTHEME_ISAPPTHEMED fnIsAppThemed = NULL;
static HMODULE hDwmModule = NULL;
static HMODULE hUxThemeModule = NULL;
static HRESULT loadDwmResult = E_LIBRARY_NOTLOADED;
static HRESULT loadUxThemeResult = E_LIBRARY_NOTLOADED;
HRESULT UxTheme_LoadLibrary(void)
{
if (E_LIBRARY_NOTLOADED == loadUxThemeResult)
{
hUxThemeModule = LoadLibraryW(L"uxtheme.dll");
if (!hUxThemeModule) loadUxThemeResult = E_LIBRARY_LOADFAILED;
else
{
fnSetWindowTheme = (UXTHEME_SETWINDOWTHEME)GetProcAddress(hUxThemeModule, "SetWindowTheme");
fnIsAppThemed = (UXTHEME_ISAPPTHEMED)GetProcAddress(hUxThemeModule, "IsAppThemed");
loadUxThemeResult = S_OK;
}
}
return loadUxThemeResult;
}
HRESULT Dwm_LoadLibrary(void)
{
if (E_LIBRARY_NOTLOADED == loadDwmResult)
{
hDwmModule = LoadLibraryW(L"dwmapi.dll");
if (!hDwmModule) loadDwmResult = E_LIBRARY_LOADFAILED;
else
{
fnSetWindowAttribute = (DWM_SETWINDOWATTRIBUTE)GetProcAddress(hDwmModule, "DwmSetWindowAttribute");
fnIsCompositionEnabled = (DWM_ISCOMPOSITIONENABLED)GetProcAddress(hDwmModule, "DwmIsCompositionEnabled");
loadDwmResult = S_OK;
}
}
return loadDwmResult;
}
HRESULT UxTheme_GetLoadResult(void)
{
return loadUxThemeResult;
}
HRESULT Dwm_GetLoadResult()
{
return loadDwmResult;
}
HRESULT SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName, LPCWSTR pszSubIdList)
{
if (!hUxThemeModule) return loadUxThemeResult;
if (!fnSetWindowTheme) return E_LIBRARY_BADFUNCTION;
return fnSetWindowTheme(hwnd, pszSubAppName, pszSubIdList);
}
BOOL IsAppThemed(void)
{
if (!hUxThemeModule) return FALSE;
if (!fnIsAppThemed) return FALSE;
return fnIsAppThemed();
}
HRESULT DwmSetWindowAttribute(HWND hwnd, DWORD dwAttribute, LPCVOID pvAttribute, DWORD cbAttribute)
{
if (!hDwmModule) return loadDwmResult;
if (!fnSetWindowAttribute) return E_LIBRARY_BADFUNCTION;
return fnSetWindowAttribute(hwnd, dwAttribute, pvAttribute, cbAttribute);
}
HRESULT DwmIsCompositionEnabled(BOOL *pfEnabled)
{
if (!hDwmModule) return loadDwmResult;
if (!fnIsCompositionEnabled) return E_LIBRARY_BADFUNCTION;
return fnIsCompositionEnabled(pfEnabled);
}