Implement HasSelection for the OSX WebKit backend.

[wxWidgets.git] / include / wx / dvrenderers.h

diff --git a/include/wx/dvrenderers.h b/include/wx/dvrenderers.h
index a534f76d8f5e06ce904782668a6607c6aef0b6db..ca89147b0a31e03bc5a0ef8657f08c959c3c6df2 100644 (file)
--- a/include/wx/dvrenderers.h
+++ b/include/wx/dvrenderers.h
@@ -3,7 +3,7 @@
 // Purpose:     Declare all wxDataViewCtrl classes
 // Author:      Robert Roebling, Vadim Zeitlin
 // Created:     2009-11-08 (extracted from wx/dataview.h)
-// RCS-ID:      $Id: wxhead.h,v 1.11 2009-06-29 10:23:04 zeitlin Exp $
+// RCS-ID:      $Id$
 // Copyright:   (c) 2006 Robert Roebling
 //              (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
@@ -116,8 +116,14 @@ public:
 
     virtual void SetAttr(const wxDataViewItemAttr& WXUNUSED(attr)) { }
 
+    virtual void SetEnabled(bool WXUNUSED(enabled)) { }
+
     wxString GetVariantType() const             { return m_variantType; }
 
+    // helper that calls SetValue and SetAttr:
+    void PrepareForItem(const wxDataViewModel *model,
+                        const wxDataViewItem& item, unsigned column);
+
     // renderer properties:
     virtual void SetMode( wxDataViewCellMode mode ) = 0;
     virtual wxDataViewCellMode GetMode() const = 0;
@@ -139,11 +145,11 @@ public:
     // in-place editing
     virtual bool HasEditorCtrl() const
         { return false; }
-    virtual wxControl* CreateEditorCtrl(wxWindow * WXUNUSED(parent),
-                                        wxRect WXUNUSED(labelRect),
-                                        const wxVariant& WXUNUSED(value))
+    virtual wxWindow* CreateEditorCtrl(wxWindow * WXUNUSED(parent),
+                                       wxRect WXUNUSED(labelRect),
+                                       const wxVariant& WXUNUSED(value))
         { return NULL; }
-    virtual bool GetValueFromEditorCtrl(wxControl * WXUNUSED(editor),
+    virtual bool GetValueFromEditorCtrl(wxWindow * WXUNUSED(editor),
                                         wxVariant& WXUNUSED(value))
         { return false; }
 
@@ -151,12 +157,18 @@ public:
     virtual void CancelEditing();
     virtual bool FinishEditing();
 
-    wxControl *GetEditorCtrl() { return m_editorCtrl; }
+    wxWindow *GetEditorCtrl() { return m_editorCtrl; }
+
+    virtual bool IsCustomRenderer() const { return false; }
+
 
 protected:
+    // Called from {Cancel,Finish}Editing() to cleanup m_editorCtrl
+    void DestroyEditControl();
+
     wxString                m_variantType;
     wxDataViewColumn       *m_owner;
-    wxWeakRef<wxControl>    m_editorCtrl;
+    wxWeakRef<wxWindow>     m_editorCtrl;
     wxDataViewItem          m_item; // for m_editorCtrl
 
     // internal utility:
@@ -218,21 +230,21 @@ public:
     // to drag it: by default they all simply return false indicating that the
     // events are not handled
 
-    virtual bool Activate(wxRect WXUNUSED(cell),
+    virtual bool Activate(const wxRect& WXUNUSED(cell),
                           wxDataViewModel *WXUNUSED(model),
                           const wxDataViewItem & WXUNUSED(item),
                           unsigned int WXUNUSED(col))
         { return false; }
 
-    virtual bool LeftClick(wxPoint WXUNUSED(cursor),
-                           wxRect WXUNUSED(cell),
+    virtual bool LeftClick(const wxPoint& WXUNUSED(cursor),
+                           const wxRect& WXUNUSED(cell),
                            wxDataViewModel *WXUNUSED(model),
                            const wxDataViewItem & WXUNUSED(item),
                            unsigned int WXUNUSED(col) )
         { return false; }
 
-    virtual bool StartDrag(wxPoint WXUNUSED(cursor),
-                           wxRect WXUNUSED(cell),
+    virtual bool StartDrag(const wxPoint& WXUNUSED(cursor),
+                           const wxRect& WXUNUSED(cell),
                            wxDataViewModel *WXUNUSED(model),
                            const wxDataViewItem & WXUNUSED(item),
                            unsigned int WXUNUSED(col) )
@@ -254,6 +266,11 @@ public:
     virtual void SetAttr(const wxDataViewItemAttr& attr) { m_attr = attr; }
     const wxDataViewItemAttr& GetAttr() const { return m_attr; }
 
+    // Store the enabled state of the item so that it can be accessed from
+    // Render() via GetEnabled() if needed.
+    virtual void SetEnabled(bool enabled) { m_enabled = enabled; }
+    bool GetEnabled() const { return m_enabled; }
+
 
     // Implementation only from now on
 
@@ -264,8 +281,15 @@ public:
     // Prepare DC to use attributes and call Render().
     void WXCallRender(wxRect rect, wxDC *dc, int state);
 
+    virtual bool IsCustomRenderer() const { return true; }
+
+protected:
+    // helper for GetSize() implementations, respects attributes
+    wxSize GetTextExtent(const wxString& str) const;
+
 private:
     wxDataViewItemAttr m_attr;
+    bool m_enabled;
 
     wxDECLARE_NO_COPY_CLASS(wxDataViewCustomRendererBase);
 };
@@ -298,8 +322,8 @@ public:
                             wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE,
                             int alignment = wxDVR_DEFAULT_ALIGNMENT );
     virtual bool HasEditorCtrl() const { return true; }
-    virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
-    virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value );
+    virtual wxWindow* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
+    virtual bool GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value );
     virtual bool Render( wxRect rect, wxDC *dc, int state );
     virtual wxSize GetSize() const;
     virtual bool SetValue( const wxVariant &value );
@@ -323,18 +347,40 @@ public:
                             wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE,
                             int alignment = wxDVR_DEFAULT_ALIGNMENT );
     virtual bool HasEditorCtrl() const { return true; }
-    virtual wxControl* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
-    virtual bool GetValueFromEditorCtrl( wxControl* editor, wxVariant &value );
+    virtual wxWindow* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
+    virtual bool GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value );
     virtual bool Render( wxRect rect, wxDC *dc, int state );
     virtual wxSize GetSize() const;
     virtual bool SetValue( const wxVariant &value );
     virtual bool GetValue( wxVariant &value ) const;
 
+    wxString GetChoice(size_t index) const { return m_choices[index]; }
+    const wxArrayString& GetChoices() const { return m_choices; }
+
 private:
     wxArrayString m_choices;
     wxString      m_data;
 };
 
+// ----------------------------------------------------------------------------
+// wxDataViewChoiceByIndexRenderer
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_ADV wxDataViewChoiceByIndexRenderer: public wxDataViewChoiceRenderer
+{
+public:
+    wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
+                              wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE,
+                              int alignment = wxDVR_DEFAULT_ALIGNMENT );
+
+    virtual wxWindow* CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value );
+    virtual bool GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value );
+
+    virtual bool SetValue( const wxVariant &value );
+    virtual bool GetValue( wxVariant &value ) const;
+};
+
+
 #endif // generic or Carbon versions
 
 // this class is obsolete, its functionality was merged in