Change key H behaviour

Before: only toggle hovered part's visibility
After: when there is no part been hovered, all nodes will be toggled

src/document.cpp

@@ -3058,6 +3058,20 @@ void Document::showAllComponents()
     }
 }
 
+void Document::showOrHideAllComponents()
+{
+    bool foundVisiblePart = false;
+    for (const auto &part: partMap) {
+        if (part.second.visible) {
+            foundVisiblePart = true;
+        }
+    }
+    if (foundVisiblePart)
+        hideAllComponents();
+    else
+        showAllComponents();
+}
+
 void Document::collapseAllComponents()
 {
     for (const auto &component: componentMap) {

src/document.h

@@ -640,6 +640,7 @@ public slots:
     void lockOtherComponents(QUuid componentId);
     void hideAllComponents();
     void showAllComponents();
+    void showOrHideAllComponents();
     void collapseAllComponents();
     void expandAllComponents();
     void lockAllComponents();

src/documentwindow.cpp

@@ -901,6 +901,8 @@ DocumentWindow::DocumentWindow() :
     connect(graphicsWidget, &SkeletonGraphicsWidget::open, this, &DocumentWindow::open);
     connect(graphicsWidget, &SkeletonGraphicsWidget::showCutFaceSettingPopup, this, &DocumentWindow::showCutFaceSettingPopup);
     
+    connect(graphicsWidget, &SkeletonGraphicsWidget::showOrHideAllComponents, m_document, &Document::showOrHideAllComponents);
+    
     connect(m_document, &Document::nodeAdded, graphicsWidget, &SkeletonGraphicsWidget::nodeAdded);
     connect(m_document, &Document::nodeRemoved, graphicsWidget, &SkeletonGraphicsWidget::nodeRemoved);
     connect(m_document, &Document::edgeAdded, graphicsWidget, &SkeletonGraphicsWidget::edgeAdded);

src/parttreewidget.h

@@ -29,6 +29,7 @@ signals:
     void lockOtherComponents(QUuid componentId);
     void hideAllComponents();
     void showAllComponents();
+    void showOrHideAllComponents();
     void collapseAllComponents();
     void expandAllComponents();
     void lockAllComponents();

src/skeletongraphicswidget.cpp

@@ -1704,11 +1704,15 @@ void SkeletonGraphicsWidget::shortcutSwitchProfileOnSelected()
 
 void SkeletonGraphicsWidget::shortcutShowOrHideSelectedPart()
 {
-    if (SkeletonDocumentEditMode::Select == m_document->editMode && !m_lastCheckedPart.isNull()) {
+    if (SkeletonDocumentEditMode::Select == m_document->editMode) {
+        if (!m_lastCheckedPart.isNull()) {
             const SkeletonPart *part = m_document->findPart(m_lastCheckedPart);
             bool partVisible = part && part->visible;
             emit setPartVisibleState(m_lastCheckedPart, !partVisible);
             emit groupOperationAdded();
+        } else {
+            emit showOrHideAllComponents();
+        }
     }
 }
 

src/skeletongraphicswidget.h

@@ -415,6 +415,7 @@ signals:
     void disableAllPositionRelatedLocks();
     void shortcutToggleWireframe();
     void partComponentChecked(QUuid partId);
+    void showOrHideAllComponents();
 public:
     SkeletonGraphicsWidget(const SkeletonDocument *document);
     std::map<QUuid, std::pair<SkeletonGraphicsNodeItem *, SkeletonGraphicsNodeItem *>> nodeItemMap;