From b6ded193ee64ffe67df6d22e7a23aa1ea9e02ec7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?= Date: Tue, 5 Mar 2019 11:14:21 +0100 Subject: QHighDpi::fromNativePixels: use correct screen Calls like QHighDpi::fromNativePixels(point, window) would return device independent coordinates outside any screen in cases where the window is spanning multiple screens and the native point was not on the main screen. Correct this by looking up the correct screen and use its scale factor and origin when scaling coordinates. Task-number: QTBUG-73231 Change-Id: I01a3a42f42121b8d9f4ced2bb0fb023d6ae6bfe7 Reviewed-by: Friedemann Kleint --- src/gui/kernel/qhighdpiscaling.cpp | 50 +++++++++++--------------------------- src/gui/kernel/qhighdpiscaling_p.h | 37 +++++++++++++++++++++------- 2 files changed, 42 insertions(+), 45 deletions(-) (limited to 'src/gui') diff --git a/src/gui/kernel/qhighdpiscaling.cpp b/src/gui/kernel/qhighdpiscaling.cpp index 93fcb1a216..0fea416404 100644 --- a/src/gui/kernel/qhighdpiscaling.cpp +++ b/src/gui/kernel/qhighdpiscaling.cpp @@ -452,52 +452,30 @@ QDpi QHighDpiScaling::logicalDpi() return m_logicalDpi; } -qreal QHighDpiScaling::factor(const QScreen *screen) +QHighDpiScaling::ScaleAndOrigin QHighDpiScaling::scaleAndOrigin(const QPlatformScreen *platformScreen, QPoint *nativePosition) { - // Fast path for when scaling in Qt is not used at all. if (!m_active) - return qreal(1.0); - - // The effective factor for a given screen is the product of the - // screen and global sub-factors - qreal factor = m_factor; - if (screen) - factor *= screenSubfactor(screen->handle()); - return factor; + return { qreal(1), QPoint() }; + const QPlatformScreen *actualScreen = nativePosition ? + platformScreen->screenForPosition(*nativePosition) : platformScreen; + return { m_factor * screenSubfactor(actualScreen), actualScreen->geometry().topLeft() }; } -qreal QHighDpiScaling::factor(const QPlatformScreen *platformScreen) +QHighDpiScaling::ScaleAndOrigin QHighDpiScaling::scaleAndOrigin(const QScreen *screen, QPoint *nativePosition) { if (!m_active) - return qreal(1.0); - - return m_factor * screenSubfactor(platformScreen); + return { qreal(1), QPoint() }; + if (!screen) + return { m_factor, QPoint() }; // the global factor + return scaleAndOrigin(screen->handle(), nativePosition); } -qreal QHighDpiScaling::factor(const QWindow *window) +QHighDpiScaling::ScaleAndOrigin QHighDpiScaling::scaleAndOrigin(const QWindow *window, QPoint *nativePosition) { if (!m_active) - return qreal(1.0); - - return factor(window ? window->screen() : QGuiApplication::primaryScreen()); -} - -QPoint QHighDpiScaling::origin(const QScreen *screen) -{ - return screen->geometry().topLeft(); -} - -QPoint QHighDpiScaling::origin(const QPlatformScreen *platformScreen) -{ - return platformScreen->geometry().topLeft(); -} - -QPoint QHighDpiScaling::origin(const QWindow *window) -{ - if (window && window->isTopLevel() && window->screen()) - return window->screen()->geometry().topLeft(); - - return QPoint(0, 0); + return { qreal(1), QPoint() }; + QScreen *screen = window ? window->screen() : QGuiApplication::primaryScreen(); + return scaleAndOrigin(screen, nativePosition); } #endif //QT_NO_HIGHDPISCALING diff --git a/src/gui/kernel/qhighdpiscaling_p.h b/src/gui/kernel/qhighdpiscaling_p.h index 525e3fe78e..3410c1d345 100644 --- a/src/gui/kernel/qhighdpiscaling_p.h +++ b/src/gui/kernel/qhighdpiscaling_p.h @@ -78,14 +78,23 @@ public: static void setScreenFactor(QScreen *window, qreal factor); static bool isActive() { return m_active; } - static qreal factor(const QWindow *window); - static qreal factor(const QScreen *screen); - static qreal factor(const QPlatformScreen *platformScreen); - static QPoint origin(const QScreen *screen); - static QPoint origin(const QPlatformScreen *platformScreen); - static QPoint origin(const QWindow *window); - static QPoint mapPositionToNative(const QPoint &pos, const QPlatformScreen *platformScreen); + + struct ScaleAndOrigin + { + qreal factor; + QPoint origin; + }; + static ScaleAndOrigin scaleAndOrigin(const QPlatformScreen *platformScreen, QPoint *nativePosition = nullptr); + static ScaleAndOrigin scaleAndOrigin(const QScreen *screen, QPoint *nativePosition = nullptr); + static ScaleAndOrigin scaleAndOrigin(const QWindow *platformScreen, QPoint *nativePosition = nullptr); + + template + static qreal factor(C *context, QPoint *nativePosition = nullptr) { + return scaleAndOrigin(context, nativePosition).factor; + } + static QPoint mapPositionFromNative(const QPoint &pos, const QPlatformScreen *platformScreen); + static QPoint mapPositionToNative(const QPoint &pos, const QPlatformScreen *platformScreen); static QPoint mapPositionToGlobal(const QPoint &pos, const QPoint &windowGlobalPosition, const QWindow *window); static QPoint mapPositionFromGlobal(const QPoint &pos, const QPoint &windowGlobalPosition, const QWindow *window); static QDpi logicalDpi(); @@ -166,16 +175,26 @@ inline QRegion scale(const QRegion ®ion, qreal scaleFactor, QPoint origin = Q return scaled; } +template +inline QPoint position(T) { return QPoint(); } +inline QPoint position(QPoint point) { return point; } +inline QPoint position(QPointF point) { return point.toPoint(); } +inline QPoint position(QRect rect) { return rect.center(); } +inline QPoint position(QRectF rect) { return rect.center().toPoint(); } + template T fromNativePixels(const T &value, const C *context) { - return scale(value, qreal(1) / QHighDpiScaling::factor(context), QHighDpiScaling::origin(context)); + QPoint nativePosition = position(value); + QHighDpiScaling::ScaleAndOrigin so = QHighDpiScaling::scaleAndOrigin(context, &nativePosition); + return scale(value, qreal(1) / so.factor, so.origin); } template T toNativePixels(const T &value, const C *context) { - return scale(value, QHighDpiScaling::factor(context), QHighDpiScaling::origin(context)); + QHighDpiScaling::ScaleAndOrigin so = QHighDpiScaling::scaleAndOrigin(context); + return scale(value, so.factor, so.origin); } template -- cgit v1.2.3 From 44d9e9b096738a79b6bceffcdad20da42f2e3713 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= Date: Tue, 25 Jun 2019 18:31:58 +0200 Subject: Fix crash when setting QGuiApplication palette before app is available Change-Id: Ia154f66a27cba970d179f100e66aa2daab01c9fa Reviewed-by: Timur Pocheptsov --- src/gui/kernel/qguiapplication.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/gui') diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp index a67214bd9a..5014878bd2 100644 --- a/src/gui/kernel/qguiapplication.cpp +++ b/src/gui/kernel/qguiapplication.cpp @@ -3233,9 +3233,12 @@ void QGuiApplication::setPalette(const QPalette &pal) QGuiApplicationPrivate::app_pal = new QPalette(pal); else *QGuiApplicationPrivate::app_pal = pal; + applicationResourceFlags |= ApplicationPaletteExplicitlySet; QCoreApplication::setAttribute(Qt::AA_SetPalette); - emit qGuiApp->paletteChanged(*QGuiApplicationPrivate::app_pal); + + if (qGuiApp) + emit qGuiApp->paletteChanged(*QGuiApplicationPrivate::app_pal); } void QGuiApplicationPrivate::applyWindowGeometrySpecificationTo(QWindow *window) -- cgit v1.2.3 From cc13b99781b0bbf5f9d09b2c5b081a085762cd0c Mon Sep 17 00:00:00 2001 From: Aleix Pol Date: Mon, 24 Jun 2019 17:43:16 +0200 Subject: Do not downscale png when the size is exactly right Don't go through the doScaledRead path (i.e. calling read_image_scaled) when reading an image that the target size is the image of the file we are opening. This makes the loading of the file much faster while keeping the output correct. [ChangeLog][QtGui][QImage] Improve loading time when loading png files that have the same size as the target. Change-Id: I2a33c49fe1ce52ec296c2175ee542b5bcdec2c4b Reviewed-by: Eirik Aavitsland --- src/gui/image/qpnghandler.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/gui') diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp index 801b30881d..e7e998efd1 100644 --- a/src/gui/image/qpnghandler.cpp +++ b/src/gui/image/qpnghandler.cpp @@ -394,7 +394,7 @@ void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, QSize scal } QSize outSize(width,height); if (!scaledSize.isEmpty() && quint32(scaledSize.width()) <= width && - quint32(scaledSize.height()) <= height && interlace_method == PNG_INTERLACE_NONE) { + quint32(scaledSize.height()) <= height && scaledSize != outSize && interlace_method == PNG_INTERLACE_NONE) { // Do inline downscaling outSize = scaledSize; if (doScaledRead) -- cgit v1.2.3 From d1141b6c90e53554f69fd6a7a272988211f5bd34 Mon Sep 17 00:00:00 2001 From: Joni Poikelin Date: Thu, 28 Feb 2019 09:54:20 +0200 Subject: Fix crash with drag cursor handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 7a7c722782a435f7c01b94f48df7a5f4ff4d599e caused a regresssion in some cases. Change-Id: I1089a79534d811b195de663ff664d9ba5a6ac6c5 Fixes: QTBUG-74110 Reviewed-by: Tor Arne Vestbø --- src/gui/kernel/qsimpledrag.cpp | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'src/gui') diff --git a/src/gui/kernel/qsimpledrag.cpp b/src/gui/kernel/qsimpledrag.cpp index 9aab332ef5..bd409c124f 100644 --- a/src/gui/kernel/qsimpledrag.cpp +++ b/src/gui/kernel/qsimpledrag.cpp @@ -310,11 +310,15 @@ void QBasicDrag::updateCursor(Qt::DropAction action) m_dndHasSetOverrideCursor = true; } else { QCursor *cursor = QGuiApplication::overrideCursor(); - if (!pixmap.isNull()) { - if (cursor->pixmap().cacheKey() != pixmap.cacheKey()) - QGuiApplication::changeOverrideCursor(QCursor(pixmap)); - } else if (cursorShape != cursor->shape()) { - QGuiApplication::changeOverrideCursor(QCursor(cursorShape)); + if (!cursor) { + QGuiApplication::changeOverrideCursor(pixmap.isNull() ? QCursor(cursorShape) : QCursor(pixmap)); + } else { + if (!pixmap.isNull()) { + if (cursor->pixmap().cacheKey() != pixmap.cacheKey()) + QGuiApplication::changeOverrideCursor(QCursor(pixmap)); + } else if (cursorShape != cursor->shape()) { + QGuiApplication::changeOverrideCursor(QCursor(cursorShape)); + } } } #endif -- cgit v1.2.3