focus existing window instead of opening duplicate project instance

notes

@@ -35,7 +35,7 @@ TODO {
         multi-window accounting {
             - keep list of active windows
             - quit (just trigger close on all sequentially)
-            if opening project already in other window, focus/flash that window
+            - if opening project already in other window, focus/flash that window
             open project from command line
             IPC to open/new window in existing instance
             revert action

xybrid/mainwindow.cpp

@@ -552,9 +552,17 @@ bool MainWindow::eventFilter(QObject *obj [[maybe_unused]], QEvent *event) {
     return false;
 }
 
-
+void MainWindow::tryFocus() {
+    raise();
+    activateWindow();
+}
 
 void MainWindow::openProject(const QString& fileName, bool failSilent) {
+    auto pw = projectWindow(fileName);
+    if (pw && pw != this) {
+        pw->tryFocus();
+        return;
+    }
     auto np = FileOps::loadProject(fileName);
     if (!np) {
         if (!failSilent) QMessageBox::critical(this, qs("Error"), qs("Error loading project \"%1\".").arg(QFileInfo(fileName).fileName()));

xybrid/mainwindow.h

@@ -71,6 +71,8 @@ namespace Xybrid {
         bool eventFilter(QObject *obj, QEvent *event) override;
 
     public slots:
+        void tryFocus();
+
         void menuFileNew();
         void menuFileOpen();
         void menuFileSave();