Gui: "Open File Location/Reveal in Finder" in Tree view (#19805)

* Add: barebone openFileLocation on linux
* Feat: Add handling for different types of os
* Fix: Use preprocessors
* Fix: directive typo

---------

Signed-off-by: Kaung Zin Hein <83657429+Zen-cronic@users.noreply.github.com>

src/Gui/Tree.cpp

@@ -29,11 +29,14 @@
 # include <QApplication>
 # include <QContextMenuEvent>
 # include <QCursor>
+# include <QDir>
+# include <QFileInfo>
 # include <QHeaderView>
 # include <QMenu>
 # include <QMessageBox>
 # include <QPainter>
 # include <QPixmap>
+# include <QProcess>
 # include <QThread>
 # include <QTimer>
 # include <QToolTip>
@@ -683,6 +686,10 @@ TreeWidget::TreeWidget(const char* name, QWidget* parent)
     connect(this->searchObjectsAction, &QAction::triggered,
             this, &TreeWidget::onSearchObjects);
 
+    this->openFileLocationAction = new QAction(this);
+    connect(this->openFileLocationAction, &QAction::triggered,
+            this, &TreeWidget::onOpenFileLocation);
+
     //NOLINTBEGIN
     // Setup connections
     connectNewDocument = Application::Instance->signalNewDocument.connect(std::bind(&TreeWidget::slotNewDocument, this, sp::_1, sp::_2));
@@ -1032,6 +1039,7 @@ void TreeWidget::contextMenuEvent(QContextMenuEvent* e)
 
         showHiddenAction->setChecked(docitem->showHidden());
         contextMenu.addAction(this->showHiddenAction);
+        contextMenu.addAction(this->openFileLocationAction);
         contextMenu.addAction(this->searchObjectsAction);
         contextMenu.addAction(this->closeDocAction);
         if (doc->testStatus(App::Document::PartialDoc))
@@ -2876,6 +2884,39 @@ void TreeWidget::onCloseDoc()
     }
 }
 
+void TreeWidget::onOpenFileLocation()
+{
+    auto docitem = static_cast<DocumentItem*>(this->contextItem);
+    App::Document* doc = docitem->document()->getDocument();
+    std::string name = doc->FileName.getValue();
+
+    const QFileInfo fileInfo(QString::fromStdString(name));
+    if (!fileInfo.exists()) {
+        QMessageBox::warning(this, tr("Error"), tr("File does not exist."));
+        return;
+    }
+
+    const QString filePath = fileInfo.canonicalPath();
+    bool success = false;
+
+#if defined(Q_OS_MAC)
+    success = QProcess::startDetached(QStringLiteral("open"), {filePath});
+#elif defined(Q_OS_WIN)
+    QStringList param;
+    if (!fileInfo.isDir()) {
+        param += QStringLiteral("/select,");
+    }
+    param += QDir::toNativeSeparators(filePath);
+    success = QProcess::startDetached(QStringLiteral("explorer.exe"), param);
+#else 
+    success = QProcess::startDetached(QStringLiteral("xdg-open"), {filePath});
+#endif
+
+    if (!success) {
+        QMessageBox::warning(this, tr("Error"), tr("Failed to open directory."));
+    }
+}
+
 void TreeWidget::slotRenameDocument(const Gui::Document& Doc)
 {
     // do nothing here
@@ -3330,6 +3371,14 @@ void TreeWidget::setupText()
     this->closeDocAction->setText(tr("Close document"));
     this->closeDocAction->setStatusTip(tr("Close the document"));
 
+#ifdef Q_OS_MAC
+    this->openFileLocationAction->setText(tr("Reveal in Finder"));
+    this->openFileLocationAction->setStatusTip(tr("Reveal the current file location in Finder"));
+#else
+    this->openFileLocationAction->setText(tr("Open File Location"));
+    this->openFileLocationAction->setStatusTip(tr("Open the current file location"));
+#endif
+
     this->reloadDocAction->setText(tr("Reload document"));
     this->reloadDocAction->setStatusTip(tr("Reload a partially loaded document"));
 

src/Gui/Tree.h

@@ -190,6 +190,7 @@ protected Q_SLOTS:
     void onShowHidden();
     void onToggleVisibilityInTree();
     void onSearchObjects();
+    void onOpenFileLocation();
 
 private Q_SLOTS:
     void onItemSelectionChanged();
@@ -240,6 +241,7 @@ private:
     QAction* reloadDocAction;
     QAction* closeDocAction;
     QAction* searchObjectsAction;
+    QAction* openFileLocationAction;
     QTreeWidgetItem *contextItem;
     App::DocumentObject *searchObject;
     Gui::Document *searchDoc;