zoomedit: Removed unnecessary isSensitive methods.

Tool.h

@@ -20,7 +20,10 @@ class Tool : public Object {
     }
     
     virtual GtkWidget* getImage() = 0;
-    virtual bool isSensitive() = 0;
+    
+    virtual bool isSensitive() const {
+      return true;
+    }
     
     virtual bool hoverFilter(const LevelObject &object) const = 0;
     

ToolAddPolygon.h

@@ -36,10 +36,6 @@ class ToolAddPolygon : public Tool, private EventHandler, private Renderer {
       return "Add polygonal room";
     }
     
-    virtual bool isSensitive() {
-      return TRUE;
-    }
-    
     virtual GtkWidget *getImage() {
       return image;
     }

ToolAddRect.h

@@ -5,7 +5,7 @@
 #include "SidebarAdd.h"
 
 
-class ToolAddRect : public Tool, public EventHandler, public Renderer {
+class ToolAddRect : public Tool, private EventHandler, private Renderer {
   private:
     GtkWidget *image;
     
@@ -36,10 +36,6 @@ class ToolAddRect : public Tool, public EventHandler, public Renderer {
       return "Add rectangular room";
     }
     
-    virtual bool isSensitive() {
-      return TRUE;
-    }
-    
     virtual GtkWidget *getImage() {
       return image;
     }

ToolGrab.h

@@ -35,10 +35,6 @@ class ToolGrab : public Tool, private EventHandler {
       return "Grab";
     }
     
-    virtual bool isSensitive() {
-      return TRUE;
-    }
-    
     virtual GtkWidget *getImage() {
       return image;
     }

ToolRotate.h

@@ -35,10 +35,6 @@ class ToolRotate : public Tool, private EventHandler, private Renderer {
       return "Rotate";
     }
     
-    virtual bool isSensitive() {
-      return TRUE;
-    }
-    
     virtual GtkWidget *getImage() {
       return image;
     }

ToolSelector.h

@@ -30,10 +30,6 @@ class ToolSelector : public Tool, public EventHandler {
       return "Select";
     }
     
-    virtual bool isSensitive() {
-      return TRUE;
-    }
-    
     virtual GtkWidget *getImage() {
       return image;
     }