diff options
| author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2017-02-13 16:24:47 +0100 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2017-02-13 21:32:04 +0000 |
| commit | 071a120400b17eaa0b414a0ed262b0a090908679 (patch) | |
| tree | f80de8e9d15db1f84644a3e980a35c94daad2b51 /src/widgets | |
| parent | 5c440880ba9846a137a436c864d958c4a8225c7a (diff) | |
Windows styles/wizard: Do not invoke winId() of desktop windows
Call the Win32 API GetDesktopWindow() to obtain a HWND of the desktop
instead of calling QApplicationPrivate::getHWNDForWidget() for desktop
windows. This allows for lazily creating desktop platform windows.
Observed in some tests where no window is visible.
Change-Id: I97074f69606b3d74f3fbc90acb4a077d52eeb84d
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Diffstat (limited to 'src/widgets')
| -rw-r--r-- | src/widgets/dialogs/qwizard_win.cpp | 9 | ||||
| -rw-r--r-- | src/widgets/styles/qwindowsxpstyle.cpp | 8 |
2 files changed, 4 insertions, 13 deletions
diff --git a/src/widgets/dialogs/qwizard_win.cpp b/src/widgets/dialogs/qwizard_win.cpp index 4f6ef49a7f..4ab01aca66 100644 --- a/src/widgets/dialogs/qwizard_win.cpp +++ b/src/widgets/dialogs/qwizard_win.cpp @@ -215,8 +215,7 @@ void QVistaHelper::disconnectBackButton() QColor QVistaHelper::basicWindowFrameColor() { DWORD rgb; - HWND handle = QApplicationPrivate::getHWNDForWidget(QApplication::desktop()); - const HANDLE hTheme = OpenThemeData(handle, L"WINDOW"); + const HANDLE hTheme = OpenThemeData(GetDesktopWindow(), L"WINDOW"); GetThemeColor(hTheme, WP_CAPTION, CS_ACTIVE, wizard->isActiveWindow() ? TMT_FILLCOLORHINT : TMT_BORDERCOLORHINT, &rgb); BYTE r = GetRValue(rgb); @@ -258,8 +257,7 @@ static LOGFONT getCaptionLogFont(HANDLE hTheme) static bool getCaptionQFont(int dpi, QFont *result) { - const HANDLE hTheme = - OpenThemeData(QApplicationPrivate::getHWNDForWidget(QApplication::desktop()), L"WINDOW"); + const HANDLE hTheme = OpenThemeData(GetDesktopWindow(), L"WINDOW"); if (!hTheme) return false; // Call into QWindowsNativeInterface to convert the LOGFONT into a QFont. @@ -590,8 +588,7 @@ bool QVistaHelper::drawTitleText(QPainter *painter, const QString &text, const Q if (vistaState() == VistaAero) { const QRect rectDp = QRect(rect.topLeft() * QVistaHelper::m_devicePixelRatio, rect.size() * QVistaHelper::m_devicePixelRatio); - HWND handle = QApplicationPrivate::getHWNDForWidget(QApplication::desktop()); - const HANDLE hTheme = OpenThemeData(handle, L"WINDOW"); + const HANDLE hTheme = OpenThemeData(GetDesktopWindow(), L"WINDOW"); if (!hTheme) return false; // Set up a memory DC and bitmap that we'll draw into HDC dcMem; diff --git a/src/widgets/styles/qwindowsxpstyle.cpp b/src/widgets/styles/qwindowsxpstyle.cpp index f999d823e0..f50c143a4a 100644 --- a/src/widgets/styles/qwindowsxpstyle.cpp +++ b/src/widgets/styles/qwindowsxpstyle.cpp @@ -397,13 +397,7 @@ HWND QWindowsXPStylePrivate::winId(const QWidget *widget) return topLevelHwnd; } - if (QDesktopWidget *desktop = qApp->desktop()) - if (const HWND desktopHwnd = QApplicationPrivate::getHWNDForWidget(desktop)) - return desktopHwnd; - - Q_ASSERT(false); - - return 0; + return GetDesktopWindow(); } /*! \internal |