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sync: from linuxdeepin/dtkdeclarative #146

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27 changes: 27 additions & 0 deletions src/dquickwindow.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,27 @@

#include <QPlatformSurfaceEvent>

// Fix top level window flags in case only the type flags are passed.
static inline void fixTopLevelWindowFlags(Qt::WindowFlags &flags)
{
// Not supported on Windows, also do correction when it is set.
flags &= ~Qt::WindowFullscreenButtonHint;
switch (flags) {
case Qt::Window:
flags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinimizeButtonHint
|Qt::WindowMaximizeButtonHint|Qt::WindowCloseButtonHint;
break;
case Qt::Dialog:
case Qt::Tool:
flags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint;
break;
default:
break;
}
if ((flags & Qt::WindowType_Mask) == Qt::SplashScreen)
flags |= Qt::FramelessWindowHint;
}

DQUICK_BEGIN_NAMESPACE

DQuickWindowPrivate::DQuickWindowPrivate(DQuickWindow *qq)
Expand Down Expand Up @@ -319,6 +340,12 @@ DQuickWindowAttached::DQuickWindowAttached(QWindow *window)
: QObject(window)
, DObject(*new DQuickWindowAttachedPrivate(window, this))
{
auto windowFlags = window->flags();
if (window->isTopLevel()) {
fixTopLevelWindowFlags(windowFlags);
window->setFlags(windowFlags);
}

window->installEventFilter(this);
QObject::connect(DWindowManagerHelper::instance(), SIGNAL(windowMotifWMHintsChanged(quint32)),
this, SLOT(_q_onWindowMotifHintsChanged(quint32)));
Expand Down
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