Add SolidWorks navigation style (#19568)

src/Mod/TechDraw/Gui/QGVNavStyleSolidWorks.cpp

@@ -0,0 +1,127 @@
+/***************************************************************************
+ *   Copyright (c) 2022 Wanderer Fan <wandererfan@gmail.com>               *
+ *                                                                         *
+ *   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 "PreCompiled.h"
+#ifndef _PreComp_
+# include <QGuiApplication>
+# include <QMouseEvent>
+#endif
+
+#include "QGVNavStyleSolidWorks.h"
+#include "QGVPage.h"
+
+
+using namespace TechDrawGui;
+
+namespace TechDrawGui {
+
+QGVNavStyleSolidWorks::QGVNavStyleSolidWorks(QGVPage* qgvp) :
+    QGVNavStyle(qgvp)
+{
+}
+
+QGVNavStyleSolidWorks::~QGVNavStyleSolidWorks()
+{
+}
+
+void QGVNavStyleSolidWorks::handleKeyReleaseEvent(QKeyEvent *event)
+{
+    // zoom mode 2
+    if ((event->key() == Qt::Key_Shift) && zoomingActive) {
+        stopZoom();
+        event->accept();
+    }
+}
+
+void QGVNavStyleSolidWorks::handleMousePressEvent(QMouseEvent *event)
+{
+    Q_UNUSED(event)
+//    Base::Console().Message("QGVNSSolidWorks::handleMousePressEvent() - button: %d buttons: %d\n", event->button(), event->buttons());
+}
+
+void QGVNavStyleSolidWorks::handleMouseMoveEvent(QMouseEvent *event)
+{
+
+    if (getViewer()->isBalloonPlacing()) {
+        balloonCursorMovement(event);
+        return;
+    }
+
+    if ((QGuiApplication::mouseButtons() & Qt::MiddleButton) &&
+        QGuiApplication::keyboardModifiers().testFlag(Qt::ShiftModifier) ) {
+        //zoom mode 2 Shift + MMB
+       if (zoomingActive) {
+           zoom(mouseZoomFactor(event->pos()));
+       } else {
+           startZoom(event->pos());
+       }
+       event->accept();
+    } else if ((QGuiApplication::mouseButtons() & Qt::MiddleButton) &&
+        QGuiApplication::keyboardModifiers().testFlag(Qt::ControlModifier) ) {
+        // pan mode 1 - Ctrl + MMB
+        // I think this block may be unnecessary since pan mode 2 MMB also captures pan mode 1 
+        // Ctrl + MMB, but I'll leave it in to make it clear that this is what's intended
+        // also nav style OCC has a similar block
+        if (panningActive) {
+            pan(event->pos());
+        } else {
+            startPan(event->pos());
+        }
+        event->accept();
+    } else if (QGuiApplication::mouseButtons() & Qt::MiddleButton) {
+        // pan mode 2 - MMB
+        if (panningActive) {
+            pan(event->pos());
+        } else {
+            startPan(event->pos());
+        }
+        event->accept();
+    } 
+}
+
+void QGVNavStyleSolidWorks::handleMouseReleaseEvent(QMouseEvent *event)
+{
+//    Base::Console().Message("QGVNSSolidWorks::handleMouseReleaseEvent() - button: %d buttons: %d\n", event->button(), event->buttons());
+    if (getViewer()->isBalloonPlacing()) {
+        placeBalloon(event->pos());
+    }
+
+    if (panningActive) {
+        if (event->button() == Qt::MiddleButton) {
+            //pan mode 1 or 2 - [Control] + MMB
+            //stop panning if MMB released
+            if (panningActive) {
+                stopPan();
+                event->accept();
+            }
+
+            //zoom mode 2 Shift + MMB
+            //stop zooming if MMB released
+            if (zoomingActive) {
+                stopZoom();
+                event->accept();
+            }
+        }
+    }
+}
+
+}  // namespace TechDrawGui