Add base class for timeline items.

server/TracyTimelineItem.hpp

@@ -0,0 +1,55 @@
+#ifndef __TRACYTIMELINEITEM_HPP__
+#define __TRACYTIMELINEITEM_HPP__
+
+#include <stdint.h>
+
+#include "imgui.h"
+
+namespace tracy
+{
+
+class View;
+class Worker;
+
+class TimelineItem
+{
+public:
+    TimelineItem( View& view, const Worker& worker );
+    virtual ~TimelineItem() = default;
+
+    void Draw( bool firstFrame, double pxns, int& offset, const ImVec2& wpos, bool hover, float yMin, float yMax );
+    virtual void DrawContents( double pxns, int& offset, const ImVec2& wpos, bool hover, float yMin, float yMax ) = 0;
+
+    virtual bool IsEmpty() const { return false; }
+
+    void VisibilityCheckbox();
+
+protected:
+    virtual uint32_t HeaderColor() const = 0;
+    virtual uint32_t HeaderColorInactive() const = 0;
+    virtual uint32_t HeaderLineColor() const = 0;
+    virtual const char* HeaderLabel() const = 0;
+
+    virtual void HeaderTooltip( const char* label ) const {};
+    virtual void HeaderExtraContents( int offset, const ImVec2& wpos, float labelWidth ) {};
+
+    virtual int64_t RangeBegin() const = 0;
+    virtual int64_t RangeEnd() const = 0;
+
+private:
+    void AdjustThreadHeight( bool firstFrame, int oldOffset, int& offset );
+    float AdjustThreadPosition( float wy, int& offset );
+
+    bool m_visible;
+    bool m_showFull;
+    int m_height;
+    int m_offset;
+
+protected:
+    View& m_view;
+    const Worker& m_worker;
+};
+
+}
+
+#endif