Add Indicator for PositionLocked state

src/Mod/TechDraw/Gui/QGCustomImage.cpp

@@ -36,7 +36,7 @@
 
 using namespace TechDrawGui;
 
-QGCustomImage::QGCustomImage()
+QGCustomImage::QGCustomImage() 
 {
     setCacheMode(QGraphicsItem::NoCache);
     setAcceptHoverEvents(false);
@@ -74,6 +74,12 @@ bool QGCustomImage::load(QString fileSpec)
     return(success);
 }
 
+QSize QGCustomImage::imageSize(void)
+{
+    QSize result = m_px.size();
+    return result;
+}
+
 void QGCustomImage::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
     QStyleOptionGraphicsItem myOption(*option);
     myOption.state &= ~QStyle::State_Selected;

src/Mod/TechDraw/Gui/QGCustomImage.h

@@ -26,6 +26,7 @@
 #include <QGraphicsItem>
 #include <QGraphicsPixmapItem>
 #include <QPointF>
+#include <QSize>
 #include <QByteArray>
 #include <QPixmap>
 
@@ -52,6 +53,7 @@ public:
     virtual void centerAt(QPointF centerPos);
     virtual void centerAt(double cX, double cY);
     virtual bool load(QString fileSpec);
+    virtual QSize imageSize(void);
 
 protected:
     QPixmap m_px;

src/Mod/TechDraw/Gui/QGIView.cpp

@@ -60,6 +60,7 @@
 #include "QGCustomText.h"
 #include "QGICaption.h"
 #include "QGCustomClip.h"
+#include "QGCustomImage.h"
 #include "QGIViewClip.h"
 #include "ViewProviderDrawingView.h"
 #include "MDIViewPage.h"
@@ -106,6 +107,13 @@ QGIView::QGIView()
     addToGroup(m_border);
     m_caption = new QGICaption();
     addToGroup(m_caption);
+    m_lock = new QGCustomImage();
+    m_lock->setParentItem(m_label);
+    m_lock->load(QString::fromUtf8(":/icons/techdraw-lock.png"));
+    QSize sizeLock = m_lock->imageSize();
+    m_lockWidth = (double) sizeLock.width();
+    m_lockHeight = (double) sizeLock.height();
+    m_lock->hide();
 
     isVisible(true);
 }
@@ -393,12 +401,18 @@ void QGIView::drawCaption()
 
 void QGIView::drawBorder()
 {
+    auto feat = getViewObject();
+    if (feat == nullptr) {
+        return;
+    }
+    
     drawCaption();
     //show neither
     auto vp = static_cast<ViewProviderDrawingView*>(getViewProvider(getViewObject()));
     if (!borderVisible && !vp->KeepLabel.getValue()) {
          m_label->hide();
          m_border->hide();
+         m_lock->hide();
         return;
     }
 
@@ -406,6 +420,7 @@ void QGIView::drawBorder()
     //double margin = 2.0;
     m_label->hide();
     m_border->hide();
+    m_lock->hide();
 
     m_label->setDefaultTextColor(m_colCurrent);
     m_font.setFamily(getPrefFont());
@@ -439,6 +454,17 @@ void QGIView::drawBorder()
                               displayArea.top(),
                               frameWidth,
                               frameHeight);
+ 
+    double lockX = labelArea.left();
+    double lockY = labelArea.bottom() - (2 * m_lockHeight);
+    if (feat->isLocked()) {
+        m_lock->setZValue(ZVALUE::LOCK);
+        m_lock->setPos(lockX,lockY);
+        m_lock->show();
+    } else {
+        m_lock->hide();
+    }
+
     prepareGeometryChange();
     m_border->setRect(frameArea.adjusted(-2,-2,2,2));
     m_border->setPos(0.,0.);

src/Mod/TechDraw/Gui/QGIView.h

@@ -47,6 +47,7 @@ class QGCustomText;
 class QGICaption;
 class MDIViewPage;
 class QGIViewClip;
+class QGCustomImage;
 
 class TechDrawGuiExport  QGIView : public QGraphicsItemGroup
 {
@@ -141,7 +142,11 @@ protected:
     QGCustomLabel* m_label;
     QGCustomBorder* m_border;
     QGICaption* m_caption;
+    QGCustomImage* m_lock;
     QPen m_decorPen;
+    double m_lockWidth;
+    double m_lockHeight;
+
 };
 
 } // namespace

src/Mod/TechDraw/Gui/Resources/TechDraw.qrc

@@ -70,6 +70,7 @@
         <file>icons/arrow-down.svg</file>
         <file>icons/arrow-ccw.svg</file>
         <file>icons/arrow-cw.svg</file>
+        <file>icons/techdraw-lock.png</file>
         <file>translations/TechDraw_af.qm</file>
         <file>translations/TechDraw_zh-CN.qm</file>
         <file>translations/TechDraw_zh-TW.qm</file>

src/Mod/TechDraw/Gui/ZVALUE.h

@@ -17,5 +17,6 @@ namespace ZVALUE {
     const int SECTIONLINE = 80;    //TODO: change to "DECORATION"? section lines, symmetry lines, etc?
     const int HIGHLIGHT = 80;
     const int MATTING = 100;
+    const int LOCK = 200;
 }
 #endif