FreeCAD WebAssembly development snapshot

src/Gui/TreeView.cpp

@@ -0,0 +1,92 @@
+/***************************************************************************
+ *   Copyright (c) 2010 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include <QMouseEvent>
+
+
+#include "TreeView.h"
+#include "Application.h"
+#include "Document.h"
+#include "DocumentModel.h"
+#include "MainWindow.h"
+#include "MDIView.h"
+#include "ViewProvider.h"
+
+using namespace Gui;
+
+TreeView::TreeView(QWidget* parent)
+    : QTreeView(parent)
+{
+    setModel(new DocumentModel(this));
+    QModelIndex root = this->model()->index(0, 0, QModelIndex());
+    this->setExpanded(root, true);
+    this->setDragEnabled(true);
+    this->setAcceptDrops(true);
+    this->setDropIndicatorShown(false);
+    this->setRootIsDecorated(false);
+    this->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    this->setMouseTracking(true);  // needed for itemEntered() to work
+}
+
+TreeView::~TreeView() = default;
+
+void TreeView::mouseDoubleClickEvent(QMouseEvent* event)
+{
+    QModelIndex index = indexAt(event->pos());
+    if (!index.isValid() || index.internalPointer() == Application::Instance) {
+        return;
+    }
+    Base::BaseClass* item = nullptr;
+    item = static_cast<Base::BaseClass*>(index.internalPointer());
+    if (item->is<Document>()) {
+        QTreeView::mouseDoubleClickEvent(event);
+        const Gui::Document* doc = static_cast<Gui::Document*>(item);
+        MDIView* view = doc->getActiveView();
+        if (!view) {
+            return;
+        }
+        getMainWindow()->setActiveWindow(view);
+    }
+    else if (item->isDerivedFrom<ViewProvider>()) {
+        if (!static_cast<ViewProvider*>(item)->doubleClicked()) {
+            QTreeView::mouseDoubleClickEvent(event);
+        }
+    }
+}
+
+void TreeView::rowsInserted(const QModelIndex& parent, int start, int end)
+{
+    QTreeView::rowsInserted(parent, start, end);
+    if (parent.isValid()) {
+        auto ptr = static_cast<Base::BaseClass*>(parent.internalPointer());
+        // type is defined in DocumentModel.cpp
+        if (ptr->getTypeId() == Base::Type::fromName("Gui::ApplicationIndex")) {
+            for (int i = start; i <= end; i++) {
+                QModelIndex document = this->model()->index(i, 0, parent);
+                this->expand(document);
+            }
+        }
+    }
+}
+
+#include "moc_TreeView.cpp"