feat: open containing folder

app/actionmanager.cpp

@@ -52,6 +52,7 @@ void ActionManager::setupAction(MainWindow *mainWindow)
     CREATE_NEW_ACTION(mainWindow, actionToggleProtectMode);
     CREATE_NEW_ACTION(mainWindow, actionSettings);
     CREATE_NEW_ACTION(mainWindow, actionHelp);
+    CREATE_NEW_ACTION(mainWindow, actionLocateInFileManager);
     CREATE_NEW_ACTION(mainWindow, actionProperties);
     CREATE_NEW_ACTION(mainWindow, actionQuitApp);
 
@@ -86,6 +87,7 @@ void ActionManager::retranslateUi(MainWindow *mainWindow)
     actionToggleProtectMode->setText(QCoreApplication::translate("MainWindow", "Protected mode", nullptr));
     actionSettings->setText(QCoreApplication::translate("MainWindow", "Configure...", nullptr));
     actionHelp->setText(QCoreApplication::translate("MainWindow", "Help", nullptr));
+    actionLocateInFileManager->setText("Open Containing Folder"); // TODO: what should it called?
     actionProperties->setText(QCoreApplication::translate("MainWindow", "Properties", nullptr));
     actionQuitApp->setText(QCoreApplication::translate("MainWindow", "Quit", nullptr));
 }

app/actionmanager.h

@@ -38,6 +38,7 @@ public:
     QAction *actionToggleProtectMode;
     QAction *actionSettings;
     QAction *actionHelp;
+    QAction *actionLocateInFileManager;
     QAction *actionProperties;
     QAction *actionQuitApp;
 };

app/mainwindow.cpp

@@ -29,6 +29,8 @@
 #include <QTimer>
 #include <QFileDialog>
 #include <QStandardPaths>
+#include <QProcess>
+#include <QDesktopServices>
 
 MainWindow::MainWindow(QWidget *parent)
     : FramelessWindow(parent)
@@ -437,6 +439,9 @@ void MainWindow::contextMenuEvent(QContextMenuEvent *event)
     menu->addAction(helpAction);
     if (currentFileUrl.isValid()) {
         menu->addSeparator();
+        if (currentFileUrl.isLocalFile()) {
+            menu->addAction(m_am->actionLocateInFileManager);
+        }
         menu->addAction(propertiesAction);
     }
     menu->exec(mapToGlobal(event->pos()));
@@ -703,6 +708,22 @@ void MainWindow::on_actionProperties_triggered()
     ad->deleteLater();
 }
 
+void MainWindow::on_actionLocateInFileManager_triggered()
+{
+    QUrl currentFileUrl = currentImageFileUrl();
+    if (!currentFileUrl.isValid()) return;
+
+    QFileInfo fileInfo(currentFileUrl.toLocalFile());
+    if (!fileInfo.exists()) return;
+
+#ifdef Q_OS_WIN
+    QProcess::startDetached("explorer", QStringList() << "/select," << QDir::toNativeSeparators(fileInfo.absoluteFilePath()));
+#else
+    // maybe use https://www.freedesktop.org/wiki/Specifications/file-manager-interface/ for linux?
+    QDesktopServices::openUrl(QUrl::fromLocalFile(fileInfo.absolutePath()));
+#endif // Q_OS_WIN
+}
+
 void MainWindow::on_actionQuitApp_triggered()
 {
     quitAppAction(false);

app/mainwindow.h

@@ -91,6 +91,7 @@ private slots:
     void on_actionSettings_triggered();
     void on_actionHelp_triggered();
     void on_actionProperties_triggered();
+    void on_actionLocateInFileManager_triggered();
     void on_actionQuitApp_triggered();
 
 private: