vcl/inc/qt5/QtInstance.hxx | 8 ++++++++
vcl/qt5/QtInstance.cxx | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+)
New commits:
commit ced4cde59eb51e4364daf69520a184b55c2c54db
Author: Jan-Marek Glogowski <glo...@fbihome.de>
AuthorDate: Sun Jan 16 10:14:47 2022 +0100
Commit: Jan-Marek Glogowski <glo...@fbihome.de>
CommitDate: Sun Jan 16 14:42:31 2022 +0100
Qt notify LO of many QScreen related events
LO just has a single display event, SalEvent::DisplayChanged, Qt
has a multitude. So this will generate multiple LO notifications.
I don't see any reasonable way to prevent that. Doesn't seem a
problem here.
Change-Id: I2f11e53765869a4ca292a1d337347e4e7470e3c2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128474
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glo...@fbihome.de>
diff --git a/vcl/inc/qt5/QtInstance.hxx b/vcl/inc/qt5/QtInstance.hxx
index 24629a36af8c..1511996c0ce0 100644
--- a/vcl/inc/qt5/QtInstance.hxx
+++ b/vcl/inc/qt5/QtInstance.hxx
@@ -75,6 +75,12 @@ private Q_SLOTS:
static void deleteObjectLater(QObject* pObject);
static void localeChanged();
+ void orientationChanged(Qt::ScreenOrientation);
+ void primaryScreenChanged(QScreen*);
+ void screenAdded(QScreen*);
+ void screenRemoved(QScreen*);
+ void virtualGeometryChanged(const QRect&);
+
Q_SIGNALS:
bool ImplYieldSignal(bool bWait, bool bHandleAllCurrentEvents);
void deleteObjectLaterSignal(QObject* pObject);
@@ -86,6 +92,8 @@ protected:
bool useCairo() const { return m_bUseCairo; }
// encodes cairo usage and Qt platform name into the ToolkitName
OUString constructToolkitID(std::u16string_view sTKname);
+ void connectQScreenSignals(const QScreen*);
+ void notifyDisplayChanged();
public:
explicit QtInstance(std::unique_ptr<QApplication>& pQApp, bool bUseCairo =
false);
diff --git a/vcl/qt5/QtInstance.cxx b/vcl/qt5/QtInstance.cxx
index bb7e98c051cd..9629532f824b 100644
--- a/vcl/qt5/QtInstance.cxx
+++ b/vcl/qt5/QtInstance.cxx
@@ -40,6 +40,7 @@
#include <QtCore/QAbstractEventDispatcher>
#include <QtCore/QThread>
+#include <QtGui/QScreen>
#include <QtWidgets/QApplication>
#include <QtWidgets/QWidget>
@@ -250,6 +251,12 @@ QtInstance::QtInstance(std::unique_ptr<QApplication>&
pQApp, bool bUseCairo)
connect(QGuiApplication::inputMethod(), &QInputMethod::localeChanged, this,
&QtInstance::localeChanged);
+ for (const QScreen* pCurScreen : QApplication::screens())
+ connectQScreenSignals(pCurScreen);
+ connect(qApp, &QGuiApplication::primaryScreenChanged, this,
&QtInstance::primaryScreenChanged);
+ connect(qApp, &QGuiApplication::screenAdded, this,
&QtInstance::screenAdded);
+ connect(qApp, &QGuiApplication::screenRemoved, this,
&QtInstance::screenRemoved);
+
#ifndef EMSCRIPTEN
m_bSupportsOpenGL = true;
#endif
@@ -604,6 +611,35 @@ void* QtInstance::CreateGStreamerSink(const
SystemChildWindow* pWindow)
#endif
}
+void QtInstance::connectQScreenSignals(const QScreen* pScreen)
+{
+ connect(pScreen, &QScreen::orientationChanged, this,
&QtInstance::orientationChanged);
+ connect(pScreen, &QScreen::virtualGeometryChanged, this,
&QtInstance::virtualGeometryChanged);
+}
+
+void QtInstance::notifyDisplayChanged()
+{
+ SolarMutexGuard aGuard;
+ SalFrame* pAnyFrame = anyFrame();
+ if (pAnyFrame)
+ pAnyFrame->CallCallback(SalEvent::DisplayChanged, nullptr);
+}
+
+void QtInstance::orientationChanged(Qt::ScreenOrientation) {
notifyDisplayChanged(); }
+
+void QtInstance::primaryScreenChanged(QScreen*) { notifyDisplayChanged(); }
+
+void QtInstance::screenAdded(QScreen* pScreen)
+{
+ connectQScreenSignals(pScreen);
+ if (QApplication::screens().size() == 1)
+ notifyDisplayChanged();
+}
+
+void QtInstance::screenRemoved(QScreen*) { notifyDisplayChanged(); }
+
+void QtInstance::virtualGeometryChanged(const QRect&) {
notifyDisplayChanged(); }
+
void QtInstance::AllocFakeCmdlineArgs(std::unique_ptr<char* []>& rFakeArgv,
std::unique_ptr<int>& rFakeArgc,
std::vector<FreeableCStr>&
rFakeArgvFreeable)
