diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbscreen.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbscreen.cpp b/src/plugins/platforms/xcb/qxcbscreen.cpp index 9dc7c97eab..4d3f269cf4 100644 --- a/src/plugins/platforms/xcb/qxcbscreen.cpp +++ b/src/plugins/platforms/xcb/qxcbscreen.cpp @@ -112,6 +112,20 @@ QXcbVirtualDesktop::QXcbVirtualDesktop(QXcbConnection *connection, xcb_screen_t xcb_depth_next(&depth_iterator); } + + auto dpiChangedCallback = [](QXcbVirtualDesktop *desktop, const QByteArray &, const QVariant &property, void *) { + bool ok; + int dpiTimes1k = property.toInt(&ok); + if (!ok) + return; + int dpi = dpiTimes1k / 1024; + if (desktop->m_forcedDpi == dpi) + return; + desktop->m_forcedDpi = dpi; + for (QXcbScreen *screen : desktop->connection()->screens()) + QWindowSystemInterface::handleScreenLogicalDotsPerInchChange(screen->QPlatformScreen::screen(), dpi, dpi); + }; + xSettings()->registerCallbackForProperty("Xft/DPI", dpiChangedCallback, nullptr); } QXcbVirtualDesktop::~QXcbVirtualDesktop() |