Add shortcut 'W' for toggling wireframe.

src/documentwindow.cpp

@@ -724,6 +724,10 @@ DocumentWindow::DocumentWindow() :
 
     connect(m_document, &Document::editModeChanged, graphicsWidget, &SkeletonGraphicsWidget::editModeChanged);
     
+    connect(graphicsWidget, &SkeletonGraphicsWidget::shortcutToggleWireframe, [=]() {
+        m_modelRenderWidget->toggleWireframe();
+    });
+
     connect(graphicsWidget, &SkeletonGraphicsWidget::zoomRenderedModelBy, m_modelRenderWidget, &ModelWidget::zoom);
 
     connect(graphicsWidget, &SkeletonGraphicsWidget::addNode, m_document, &Document::addNode);

src/shortcuts.cpp

@@ -45,4 +45,5 @@ void initShortCuts(QWidget *widget, SkeletonGraphicsWidget *graphicsWidget)
     defineKey(Qt::Key_M, &SkeletonGraphicsWidget::shortcutXmirrorOnOrOffSelectedPart);
     defineKey(Qt::Key_B, &SkeletonGraphicsWidget::shortcutSubdivedOrNotSelectedPart);
     defineKey(Qt::Key_U, &SkeletonGraphicsWidget::shortcutRoundEndOrNotSelectedPart);
+    defineKey(Qt::Key_W, &SkeletonGraphicsWidget::shortcutToggleWireframe);
 }

src/skeletongraphicswidget.h

@@ -385,6 +385,7 @@ signals:
     void switchChainSide(std::set<QUuid> nodeIds);
     void enableAllPositionRelatedLocks();
     void disableAllPositionRelatedLocks();
+    void shortcutToggleWireframe();
 public:
     SkeletonGraphicsWidget(const SkeletonDocument *document);
     std::map<QUuid, std::pair<SkeletonGraphicsNodeItem *, SkeletonGraphicsNodeItem *>> nodeItemMap;