Debugger: Mark currently hit breakpoint in breakpoint view

Fixes: QTCREATORBUG-6999
Change-Id: I2b080de0096d1e2bc5b348666adcf4797589fe15
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/debugger/breakhandler.h

@@ -39,13 +39,14 @@ namespace Utils { class ItemViewEvent; }
 namespace Debugger {
 namespace Internal {
 
-class BreakpointItem;
-class BreakpointMarker;
 class BreakHandler;
+class BreakpointItem;
+class BreakpointManager;
+class BreakpointMarker;
 class DebuggerCommand;
 class DebuggerEngine;
-class BreakpointManager;
 class GlobalBreakpointMarker;
+class Location;
 
 class SubBreakpointItem : public QObject, public Utils::TypedTreeItem<Utils::TreeItem, BreakpointItem>
 {
@@ -122,7 +123,7 @@ public:
 
     QVariant data(int column, int role) const final;
 
-    QIcon icon() const;
+    QIcon icon(bool withLocationMarker = false) const;
 
     void setMarkerFileAndLine(const Utils::FilePath &fileName, int lineNumber);
     bool needsChange() const;
@@ -197,6 +198,8 @@ public:
     const GlobalBreakpoint globalBreakpoint() const;
     void gotoState(BreakpointState target, BreakpointState assumedCurrent);
 
+    void setNeedsLocationMarker(bool needsLocationMarker);
+
 private:
     void destroyMarker();
     void updateMarker();
@@ -209,6 +212,7 @@ private:
     BreakpointMarker *m_marker = nullptr;
     QString m_responseId;      //!< Breakpoint number or id assigned by or used in the debugger backend.
     QString m_displayName;
+    bool m_needsLocationMarker = false;
 };
 
 using Breakpoint = QPointer<BreakpointItem>;
@@ -261,6 +265,9 @@ public:
     void updateDisassemblerMarker(const Breakpoint &bp);
     void removeDisassemblerMarker(const Breakpoint &bp);
 
+    void setLocation(const Location &loc);
+    void resetLocation();
+
 private:
     Breakpoint findBreakpointByIndex(const QModelIndex &index) const;
     Breakpoints findBreakpointsByIndex(const QList<QModelIndex> &list) const;