graphing widget and test harness

1 files changed, 42 insertions, 0 deletions

diff --git a/CairoWidget.hxx b/CairoWidget.hxx
new file mode 100644
index 00000000..077a4c7a
--- /dev/null
+++ b/CairoWidget.hxx
@@ -0,0 +1,42 @@
+#ifndef SYSTEMTAP_CAIROWIDGET_H
+#define SYSTEMTAP_CAIROWIDGET_H 1
+
+#include <cairomm/context.h>
+namespace systemtap
+{
+  class CairoWidget
+  {
+  public:
+    CairoWidget(bool visible = false)
+      : _visible(visible), _size(50.0), _radius(5)
+    {}
+    bool isVisible() const { return _visible; }
+    void setVisible(bool visible) { _visible = visible; }
+    void getOrigin(double &x, double &y) const
+    {
+      x = _x0;
+      y = _y0;
+    }
+    void setOrigin(double x, double y)
+    {
+      _x0 = x;
+      _y0 = y;
+    }
+    virtual void draw(Cairo::RefPtr<Cairo::Context> cr) = 0;
+    virtual bool containsPoint(double x, double y) { return false; }
+  protected:
+    bool _visible;
+    double _x0;
+    double _y0;
+    double _size;
+    double _radius;
+  };
+
+  class CairoPlayButton : public CairoWidget
+  {
+  public:
+    virtual void draw(Cairo::RefPtr<Cairo::Context> cr);
+    virtual bool containsPoint(double x, double y);
+  };
+}
+#endif