/*!
* 设置Aero绘图区
*/
bool QtWin::extendFrameIntoClientArea(QWidget *widget, int left, int top, int right, int bottom)
{
Q_ASSERT(widget);
Q_UNUSED(left);
Q_UNUSED(top);
Q_UNUSED(right);
Q_UNUSED(bottom);
bool result = false;
#ifdef Q_WS_WIN
if (resolveLibs()) {
QLibrary dwmLib(QString::fromAscii("dwmapi"));
HRESULT hr = S_OK;
MARGINS m = {left, top, right, bottom};
hr = pDwmExtendFrameIntoClientArea(widget->winId(), &m);
if (SUCCEEDED(hr)) {
result = true;
windowNotifier()->addWidget(widget);
}
widget->setAttribute(Qt::WA_TranslucentBackground, result);
}
#endif
return result;
}
static bool dwmResolveLibs()
{
if (!pDwmIsCompositionEnabled) {
QLibrary dwmLib(QString::fromAscii("dwmapi"));
pDwmIsCompositionEnabled = (PtrDwmIsCompositionEnabled)dwmLib.resolve("DwmIsCompositionEnabled");
pDwmEnableBlurBehindWindow = (PtrDwmEnableBlurBehindWindow)dwmLib.resolve("DwmEnableBlurBehindWindow");
}
return pDwmIsCompositionEnabled != 0;
}
static bool resolveLibs()
{
if (!pDwmIsCompositionEnabled) {
QLibrary dwmLib(QString::fromAscii("dwmapi"));
pDwmIsCompositionEnabled =(PtrDwmIsCompositionEnabled)dwmLib.resolve("DwmIsCompositionEnabled");
pDwmExtendFrameIntoClientArea = (PtrDwmExtendFrameIntoClientArea)dwmLib.resolve("DwmExtendFrameIntoClientArea");
pDwmenableAeroWindow = (PtrDwmenableAeroWindow)dwmLib.resolve("DwmenableAeroWindow");
pDwmGetColorizationColor = (PtrDwmGetColorizationColor)dwmLib.resolve("DwmGetColorizationColor");
}
return pDwmIsCompositionEnabled != 0;
}
/*!
* 返回当前窗口颜色.
*/
QColor QtWin::colorizatinColor()
{
QColor resultColor = QApplication::palette().window().color();
#ifdef Q_WS_WIN
if (resolveLibs()) {
DWORD color = 0;
BOOL opaque = FALSE;
QLibrary dwmLib(QString::fromAscii("dwmapi"));
HRESULT hr = S_OK;
hr = pDwmGetColorizationColor(&color, &opaque);
if (SUCCEEDED(hr))
resultColor = QColor(color);
}
#endif
return resultColor;
}
bool QVistaHelper::resolveSymbols()
{
static bool tried = false;
if (!tried) {
tried = true;
QSystemLibrary dwmLib(L"dwmapi");
pDwmIsCompositionEnabled =
(PtrDwmIsCompositionEnabled)dwmLib.resolve("DwmIsCompositionEnabled");
if (pDwmIsCompositionEnabled) {
pDwmDefWindowProc = (PtrDwmDefWindowProc)dwmLib.resolve("DwmDefWindowProc");
pDwmExtendFrameIntoClientArea =
(PtrDwmExtendFrameIntoClientArea)dwmLib.resolve("DwmExtendFrameIntoClientArea");
}
QSystemLibrary themeLib(L"uxtheme");
pIsAppThemed = (PtrIsAppThemed)themeLib.resolve("IsAppThemed");
if (pIsAppThemed) {
pDrawThemeBackground = (PtrDrawThemeBackground)themeLib.resolve("DrawThemeBackground");
pGetThemePartSize = (PtrGetThemePartSize)themeLib.resolve("GetThemePartSize");
pGetThemeColor = (PtrGetThemeColor)themeLib.resolve("GetThemeColor");
pIsThemeActive = (PtrIsThemeActive)themeLib.resolve("IsThemeActive");
pOpenThemeData = (PtrOpenThemeData)themeLib.resolve("OpenThemeData");
pCloseThemeData = (PtrCloseThemeData)themeLib.resolve("CloseThemeData");
pGetThemeSysFont = (PtrGetThemeSysFont)themeLib.resolve("GetThemeSysFont");
pDrawThemeTextEx = (PtrDrawThemeTextEx)themeLib.resolve("DrawThemeTextEx");
pSetWindowThemeAttribute = (PtrSetWindowThemeAttribute)themeLib.resolve("SetWindowThemeAttribute");
}
}
return (
pDwmIsCompositionEnabled != 0
&& pDwmDefWindowProc != 0
&& pDwmExtendFrameIntoClientArea != 0
&& pIsAppThemed != 0
&& pDrawThemeBackground != 0
&& pGetThemePartSize != 0
&& pGetThemeColor != 0
&& pIsThemeActive != 0
&& pOpenThemeData != 0
&& pCloseThemeData != 0
&& pGetThemeSysFont != 0
&& pDrawThemeTextEx != 0
&& pSetWindowThemeAttribute != 0
);
}
bool Environment::isAeroOn(LogWriter *log)
{
try {
DynamicLibrary dwmLib(_T("Dwmapi.dll"));
DwmIsCompositionEnabled dwmIsEnabled =
(DwmIsCompositionEnabled)dwmLib.getProcAddress("DwmIsCompositionEnabled");
if (dwmIsEnabled == 0) {
throw Exception(_T("The DwmIsCompositionEnabled() has not been found in the Dwmapi.dll"));
}
BOOL result = FALSE;
HRESULT dwmIsEnabledResult = dwmIsEnabled(&result);
if (dwmIsEnabledResult != S_OK) {
StringStorage errMess;
errMess.format(_T("The DwmIsCompositionEnabled() error code is %d"),
(int)dwmIsEnabledResult);
throw Exception(_T(""));
}
return result != FALSE;
} catch (Exception &e) {
log->error(_T("The DwmIsCompositionEnabled() function failed: %s"),
e.getMessage());
throw;
}
}