diff options
| author | Sergio Ahumada <sergio.ahumada@digia.com> | 2013-09-13 18:04:17 +0200 |
|---|---|---|
| committer | Sergio Ahumada <sergio.ahumada@digia.com> | 2013-09-13 18:04:17 +0200 |
| commit | f7837e28b5f83d116fa43d0401b7188ce27fc346 (patch) | |
| tree | 3de2560e4259f22224f334be17618386860decc7 /src/plugins/platforms/windows | |
| parent | 8b0624182bd4998d32c23eded5dbe6dccfd26d5b (diff) | |
| parent | 44a58de2aea6d2ac71efe7261a398effbf139f3f (diff) | |
Merge branch 'stable' into dev
Conflicts:
src/concurrent/qtconcurrentmedian.h
src/corelib/itemmodels/qabstractitemmodel.cpp
Change-Id: Iac46a90bbb2958cef7670031a4b59c3becd8538a
Diffstat (limited to 'src/plugins/platforms/windows')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsbackingstore.cpp | 4 | ||||
| -rw-r--r-- | src/plugins/platforms/windows/qwindowswindow.cpp | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/plugins/platforms/windows/qwindowsbackingstore.cpp b/src/plugins/platforms/windows/qwindowsbackingstore.cpp index dfbbe3069c..26205eb146 100644 --- a/src/plugins/platforms/windows/qwindowsbackingstore.cpp +++ b/src/plugins/platforms/windows/qwindowsbackingstore.cpp @@ -88,8 +88,10 @@ void QWindowsBackingStore::flush(QWindow *window, const QRegion ®ion, QWindowsWindow *rw = QWindowsWindow::baseWindowOf(window); #ifndef Q_OS_WINCE + const bool hasAlpha = rw->format().hasAlpha(); const Qt::WindowFlags flags = window->flags(); - if ((flags & Qt::FramelessWindowHint) && QWindowsWindow::setWindowLayered(rw->handle(), flags, rw->format().hasAlpha(), rw->opacity())) { + if ((flags & Qt::FramelessWindowHint) && QWindowsWindow::setWindowLayered(rw->handle(), flags, hasAlpha, rw->opacity()) && hasAlpha) { + // Windows with alpha: Use blend function to update. QRect r = window->frameGeometry(); QPoint frameOffset(window->frameMargins().left(), window->frameMargins().top()); QRect dirtyRect = br.translated(offset + frameOffset); diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp index f3faccbc14..7077eaf4b0 100644 --- a/src/plugins/platforms/windows/qwindowswindow.cpp +++ b/src/plugins/platforms/windows/qwindowswindow.cpp @@ -314,7 +314,8 @@ static void setWindowOpacity(HWND hwnd, Qt::WindowFlags flags, bool hasAlpha, qr Q_UNUSED(level); #else if (QWindowsWindow::setWindowLayered(hwnd, flags, hasAlpha, level)) { - if (flags & Qt::FramelessWindowHint) { + if (hasAlpha && (flags & Qt::FramelessWindowHint)) { + // Windows with alpha: Use blend function to update. BLENDFUNCTION blend = {AC_SRC_OVER, 0, (BYTE)(255.0 * level), AC_SRC_ALPHA}; QWindowsContext::user32dll.updateLayeredWindow(hwnd, NULL, NULL, NULL, NULL, NULL, 0, &blend, ULW_ALPHA); } else { |