Add the ability to enable / disable and check for the editable property of a rendering engine. Implement for all three backends and extend the sample, document and unit test.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68193 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/webview_webkit.h

@@ -134,6 +134,10 @@ public:
     virtual void Undo();
     virtual void Redo();
 
+    //Editing functions
+    virtual void SetEditable(bool enable = true);
+    virtual bool IsEditable();
+
     /** FIXME: hack to work around signals being received too early */
     bool m_ready;
 

include/wx/msw/webview_ie.h

@@ -93,6 +93,10 @@ public:
     virtual void Undo();
     virtual void Redo();
 
+    //Editing functions
+    virtual void SetEditable(bool enable = true);
+    virtual bool IsEditable();
+
     // ---- IE-specific methods
 
     // FIXME: I seem to be able to access remote webpages even in offline mode...

include/wx/osx/webview_webkit.h

@@ -97,6 +97,10 @@ public:
     virtual void Cut();
     virtual void Copy();
     virtual void Paste();
+    
+    //Editing functions
+    void  SetEditable(bool enable = true);
+    bool  IsEditable();
 
     // ---- methods not from the parent (common) interface
     wxString GetSelectedText();
@@ -108,9 +112,6 @@ public:
     void  SetScrollPos(int pos);
     int   GetScrollPos();
 
-    void  MakeEditable(bool enable = true);
-    bool  IsEditable();
-
     wxString GetSelection();
 
     bool  CanIncreaseTextSize();

include/wx/webview.h

@@ -281,13 +281,13 @@ public:
         SetPage(stream.GetString(), baseUrl);
     }
 
+    virtual void SetEditable(bool enable = true) = 0;
+    virtual bool IsEditable() = 0;
+
     // TODO:
     //     wxString GetSelection();                         // maybe?
     //     void SetSelection(...);                          // maybe?
 
-    //     void MakeEditable(bool enable = true);           // maybe?
-    //     bool IsEditable();                               // maybe?
-
     //     void EnableJavascript(bool enabled);             // maybe?
     //     wxString RunScript(const wxString& javascript);  // maybe?