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Remove indirection via QScreenPrivate::setPlatformScreen()

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The QHighDpiScaling code should call the explicit updateGeometry
function instead to re-evaluate the platform screen geometry in
light of the change to the scale factor.

Change-Id: Idac975c117c431356f4fb812c245348c4722a8b5
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
This commit is contained in:
Tor Arne Vestbø 2022-09-07 21:13:42 +02:00
parent c4debab927
commit 2187936978
4 changed files with 12 additions and 21 deletions
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4
src/gui/kernel/qhighdpiscaling.cpp
View File

@ -574,9 +574,7 @@ void QHighDpiScaling::setScreenFactor(QScreen *screen, qreal factor)
else
QHighDpiScaling::m_namedScreenScaleFactors.insert(name, factor);
// hack to force re-evaluation of screen geometry
if (screen->handle())
screen->d_func()->setPlatformScreen(screen->handle()); // updates geometries based on scale factor
screen->d_func()->updateGeometry();
}
QPoint QHighDpiScaling::mapPositionToNative(const QPoint &pos, const QPlatformScreen *platformScreen)

2
src/gui/kernel/qplatformscreen.h
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@ -132,7 +132,7 @@ protected:
QScopedPointer<QPlatformScreenPrivate> d_ptr;
private:
friend class QScreenPrivate;
friend class QScreen;
};
// Qt doesn't currently support running with no platform screen

26
src/gui/kernel/qscreen.cpp
View File

@ -37,29 +37,23 @@ QT_BEGIN_NAMESPACE
\inmodule QtGui
*/
QScreen::QScreen(QPlatformScreen *screen)
QScreen::QScreen(QPlatformScreen *platformScreen)
: QObject(*new QScreenPrivate(), nullptr)
{
Q_D(QScreen);
d->setPlatformScreen(screen);
}
void QScreenPrivate::setPlatformScreen(QPlatformScreen *screen)
{
Q_Q(QScreen);
platformScreen = screen;
platformScreen->d_func()->screen = q;
orientation = platformScreen->orientation();
d->platformScreen = platformScreen;
platformScreen->d_func()->screen = this;
logicalDpi = QPlatformScreen::overrideDpi(platformScreen->logicalDpi());
refreshRate = platformScreen->refreshRate();
d->orientation = platformScreen->orientation();
d->logicalDpi = QPlatformScreen::overrideDpi(platformScreen->logicalDpi());
d->refreshRate = platformScreen->refreshRate();
// safeguard ourselves against buggy platform behavior...
if (refreshRate < 1.0)
refreshRate = 60.0;
if (d->refreshRate < 1.0)
d->refreshRate = 60.0;
updateGeometry();
updatePrimaryOrientation(); // derived from the geometry
d->updateGeometry();
d->updatePrimaryOrientation(); // derived from the geometry
}
void QScreenPrivate::updateGeometry()

1
src/gui/kernel/qscreen_p.h
View File

@ -40,7 +40,6 @@ class QScreenPrivate : public QObjectPrivate, public QScreenData
{
Q_DECLARE_PUBLIC(QScreen)
public:
void setPlatformScreen(QPlatformScreen *screen);
void updateGeometry();
void updatePrimaryOrientation();