comparison base/Layer.h @ 12:f67ddc287bc3

* Add ability to create empty layers for editing
* Add first basic editing capability (adding points to a time instant layer)
* Add various keyboard and mouse shortcuts for navigation &c
* Add ability to resize a selection by dragging its edges
* Add maximum zoom level

 
 class ZoomConstraint;
 class Model;
 class QPainter;
 class View;
+class QMouseEvent;
 
 /**
  * The base class for visual representations of the data found in a
  * Model.  Layers are expected to be able to draw themselves onto a
  * View, and may also be editable.

 	return PositionMiddle;
     }
     virtual VerticalPosition getPreferredFrameCountPosition() const {
 	return PositionBottom;
     }
+
+    virtual QString getPropertyContainerIconName() const;
 
     virtual QString getPropertyContainerName() const {
 	return objectName();
     }
 

 				       bool snapRight = true) const {
 	resolution = 1;
 	return frame;
     }
 
-    // Paint and edit modes:
+    // Draw and edit modes:
     //
-    // Layer needs to get actual mouse events, I guess.  Paint mode is
+    // Layer needs to get actual mouse events, I guess.  Draw mode is
     // probably the easier.
+
+    virtual void drawStart(QMouseEvent *e) { }
+    virtual void drawDrag(QMouseEvent *e) { }
+    virtual void drawEnd(QMouseEvent *e) { }
 
     // Text mode:
     //
     // Label nearest feature.  We need to get the feature coordinates
     // and current label from the layer, and then the pane can pop up