Changeset 1468:d0ccb2fdeeff in lemon-0.x for gui/graph_displayer_canvas.h

Timestamp:

06/10/05 13:58:03 (19 years ago)

Author:

Hegyi Péter

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1948

Message:

Hopefully, node creation works well, after a small structural consideration.

File:

• gui/graph_displayer_canvas.h (modified) (3 diffs)

gui/graph_displayer_canvas.h

@@ -41 +41 @@
   void updateScrollRegion();
 
+  ///This function changes the tool in the graph-editor's hand
+  void changeEditorialTool(int);
+
 protected:
 
@@ -52 +55 @@
   ///of the canvas
   bool event_handler(GdkEvent* e, Node n);
+
+  ///actual event handler
+  ///
+  ///Actual event handler should be stored, to be able to disconnect it and later reconnect it.
+  sigc::connection actual_handler;
+
+  ///event handler for the case when move-tool is active
+  bool move_event_handler(GdkEvent*);
+  ///event handler for the case when create_node-tool is active
+  bool create_node_event_handler(GdkEvent*);
+  ///event handler for the case when create_edge-tool is active
+  bool create_edge_event_handler(GdkEvent*);
 
   ///The graph, on which we work
@@ -83 +98 @@
   ///2. we would like to handle only ony item per movement, therefore quering it is not a working solution
   Gnome::Canvas::Item * active_item;
+  Graph::NodeIt active_node;
 
   static const int zoom_step = 5;