diff options
Diffstat (limited to 'src/plugins')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 5 | ||||
-rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index 23ed80ab5a..adca902c69 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -1394,6 +1394,8 @@ void QXcbWindow::propagateSizeHints() } xcb_icccm_set_wm_normal_hints(xcb_connection(), m_window, &hints); + + m_sizeHintsScaleFactor = QHighDpiScaling::scaleAndOrigin(screen()).factor; } void QXcbWindow::requestActivateWindow() @@ -1785,6 +1787,9 @@ void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t * // will make the comparison later. QWindowSystemInterface::handleWindowScreenChanged(window(), newScreen->screen()); + if (!qFuzzyCompare(QHighDpiScaling::scaleAndOrigin(newScreen).factor, m_sizeHintsScaleFactor)) + propagateSizeHints(); + // Send the synthetic expose event on resize only when the window is shrinked, // because the "XCB_GRAVITY_NORTH_WEST" flag doesn't send it automatically. if (!m_oldWindowSize.isEmpty() diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h index 13b37db028..976a442b11 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.h +++ b/src/plugins/platforms/xcb/qxcbwindow.h @@ -278,6 +278,8 @@ protected: QXcbSyncWindowRequest *m_pendingSyncRequest = nullptr; int m_swapInterval = -1; + + qreal m_sizeHintsScaleFactor = 1.0; }; class QXcbForeignWindow : public QXcbWindow |