1 files changed, 93 insertions, 0 deletions
diff --git a/Src/Winamp/wintheme.cpp b/Src/Winamp/wintheme.cpp
new file mode 100644
index 00000000..ddd5e9fa
--- /dev/null
+++ b/Src/Winamp/wintheme.cpp
@@ -0,0 +1,93 @@
+#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);
+}