Fix frameless window on macOS in Qt 6.8 (WIP)

nuttyartist · Oct 25, 2024 · 012c159 · 012c159
1 parent bfb0827
commit 012c159
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diff --git a/src/framelesswindow.mm b/src/framelesswindow.mm
@@ -99,6 +99,10 @@ - (void)zoomButtonAction:(id)sender
         return;
     }
 
+    // Since Qt 6.8 we need this to ask the QLayout to ignore the contents margins to make the
+    // window frameless on macOS
+    setAttribute(Qt::WA_ContentsMarginsRespectsSafeArea, false);
+
     AppObserver *observer = [[AppObserver alloc] init];
     if (observer) {
         observer.window = this;

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
@@ -377,6 +377,12 @@ void MainWindow::setupMainWindow()
     setAttribute(Qt::WA_TranslucentBackground);
 #endif
 
+#if defined(Q_OS_MAC)
+    // Since Qt 6.8 we need this to ask the QLayout to ignore the contents margins to make the
+    // window frameless on macOS
+    ui->centralWidget->setAttribute(Qt::WA_LayoutOnEntireRect, true);
+#endif
+
     // load stylesheet
     QFile mainWindowStyleFile(QStringLiteral(":/styles/main-window.css"));
     mainWindowStyleFile.open(QFile::ReadOnly);