diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbscreen.cpp')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index 707896b457..464d038671 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -114,17 +114,13 @@ QXcbVirtualDesktop::QXcbVirtualDesktop(QXcbConnection *connection, xcb_screen_t } auto dpiChangedCallback = [](QXcbVirtualDesktop *desktop, const QByteArray &, const QVariant &property, void *) { - bool ok; - int dpiTimes1k = property.toInt(&ok); - if (!ok) + if (!desktop->setDpiFromXSettings(property)) return; - int dpi = dpiTimes1k / 1024; - if (desktop->m_forcedDpi == dpi) - return; - desktop->m_forcedDpi = dpi; + const auto dpi = desktop->forcedDpi(); for (QXcbScreen *screen : desktop->connection()->screens()) QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(screen->QPlatformScreen::screen(), dpi, dpi); }; + setDpiFromXSettings(xSettings()->setting("Xft/DPI")); xSettings()->registerCallbackForProperty("Xft/DPI", dpiChangedCallback, nullptr); } @@ -425,6 +421,19 @@ void QXcbVirtualDesktop::readXResources() } } +bool QXcbVirtualDesktop::setDpiFromXSettings(const QVariant &property) +{ + bool ok; + int dpiTimes1k = property.toInt(&ok); + if (!ok) + return false; + int dpi = dpiTimes1k / 1024; + if (m_forcedDpi == dpi) + return false; + m_forcedDpi = dpi; + return true; +} + QSurfaceFormat QXcbVirtualDesktop::surfaceFormatFor(const QSurfaceFormat &format) const { const xcb_visualid_t xcb_visualid = connection()->hasDefaultVisualId() ? connection()->defaultVisualId() |