fix #1168 window is white before drawing itself

mltframework · Nov 3, 2021 · a72b757 · a72b757
1 parent 6c8264b
commit a72b757
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Showing 3 changed files with 17 additions and 1 deletion.
diff --git a/src/main.cpp b/src/main.cpp
@@ -398,7 +398,11 @@ int main(int argc, char **argv)
     a.mainWindow = &MAIN;
     if (!a.appDirArg.isEmpty())
         a.mainWindow->hideSetDataDirectory();
+#ifdef Q_OS_WIN
+    a.mainWindow->setProperty("windowOpacity", 0.0);
+#endif
     a.mainWindow->show();
+    a.processEvents();
     a.mainWindow->setFullScreen(a.isFullScreen);
     splash.finish(a.mainWindow);
 

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
@@ -2641,11 +2641,22 @@ void MainWindow::showEvent(QShowEvent* event)
 #endif
     onAutosaveTimeout();
 
-    QTimer::singleShot(1000, this, [=]() {
+    QTimer::singleShot(100, this, [=]() {
         Database::singleton(this);
+#ifdef Q_OS_WIN
+        this->setProperty("windowOpacity", 1.0);
+#endif
     });
 }
 
+void MainWindow::hideEvent(QHideEvent* event)
+{
+    Q_UNUSED(event)
+#ifdef Q_OS_WIN
+    setProperty("windowOpacity", 0.0);
+#endif
+}
+
 void MainWindow::on_actionOpenOther_triggered()
 {
     // these static are used to open dialog with previous configuration

diff --git a/src/mainwindow.h b/src/mainwindow.h
@@ -123,6 +123,7 @@ class MainWindow : public QMainWindow
     void dropEvent(QDropEvent*);
     void closeEvent(QCloseEvent*);
     void showEvent(QShowEvent*);
+    void hideEvent(QHideEvent* event);
 
 private:
     void setupSettingsMenu();