Changeset 1441:fd4b6f6d592a in lemon-0.x for gui/graph_displayer_canvas.h

Timestamp:

06/02/05 01:30:13 (19 years ago)

Author:

Akos Ladanyi

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1917

Message:

• added toolbar
• added ScrolledWindow? for the canvas
• zooming

File:

• gui/graph_displayer_canvas.h (modified) (2 diffs)

gui/graph_displayer_canvas.h

@@ -30 +30 @@
   int changeText (std::string mapname);
 
-  ///Changes the dot-pro-pixel to be able to show the whole graph.
-  int rezoom();
+  ///Callback for 'ViewZoomIn' action.
+  virtual void zoomIn();
+  ///Callback for 'ViewZoomOut' action.
+  virtual void zoomOut();
+  ///Callback for 'ViewZoomFit' action.
+  virtual void zoomFit();
+  ///Callback for 'ViewZoom100' action.
+  virtual void zoom100();
+  ///Sets the scroll region of the convas to the bounding box of the graph.
+  void updateScrollRegion();
 
 protected:
@@ -76 +84 @@
   Gnome::Canvas::Item * active_item;
 
-
+  static const int zoom_step = 5;
 };