include/wx/osx/dvrenderer.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/osx/dvrenderer.h
   3 // Purpose:     wxDataViewRenderer for OS X wxDataViewCtrl implementations
   4 // Author:      Vadim Zeitlin
   5 // Created:     2009-11-07 (extracted from wx/osx/dataview.h)
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_OSX_DVRENDERER_H_
  12 #define _WX_OSX_DVRENDERER_H_
  13
  14 class wxDataViewRendererNativeData;
  15
  16 // ----------------------------------------------------------------------------
  17 // wxDataViewRenderer
  18 // ----------------------------------------------------------------------------
  19
  20 class WXDLLIMPEXP_ADV wxDataViewRenderer : public wxDataViewRendererBase
  21 {
  22 public:
  23     // constructors / destructor
  24     // -------------------------
  25
  26     wxDataViewRenderer(const wxString& varianttype,
  27                        wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
  28                        int align = wxDVR_DEFAULT_ALIGNMENT);
  29
  30     virtual ~wxDataViewRenderer();
  31
  32     // inherited methods from wxDataViewRendererBase
  33     // ---------------------------------------------
  34
  35     virtual int GetAlignment() const
  36     {
  37         return m_alignment;
  38     }
  39     virtual wxDataViewCellMode GetMode() const
  40     {
  41         return m_mode;
  42     }
  43     virtual bool GetValue(wxVariant& value) const
  44     {
  45         value = m_value;
  46         return true;
  47     }
  48
  49     // NB: in Carbon this is always identical to the header alignment
  50     virtual void SetAlignment(int align);
  51     virtual void SetMode(wxDataViewCellMode mode);
  52     virtual bool SetValue(const wxVariant& newValue)
  53     {
  54         m_value = newValue;
  55         return true;
  56     }
  57
  58     virtual void EnableEllipsize(wxEllipsizeMode mode = wxELLIPSIZE_MIDDLE);
  59     virtual wxEllipsizeMode GetEllipsizeMode() const;
  60
  61     // implementation
  62     // --------------
  63
  64     const wxVariant& GetValue() const
  65     {
  66         return m_value;
  67     }
  68
  69     wxDataViewRendererNativeData* GetNativeData() const
  70     {
  71         return m_NativeDataPtr;
  72     }
  73
  74     // a call to the native data browser function to render the data;
  75     // returns true if the data value could be rendered, false otherwise
  76     virtual bool MacRender() = 0;
  77
  78     void SetNativeData(wxDataViewRendererNativeData* newNativeDataPtr);
  79
  80
  81 #if wxOSX_USE_COCOA
  82     // called when a value was edited by user
  83     virtual void OSXOnCellChanged(NSObject *value,
  84                                   const wxDataViewItem& item,
  85                                   unsigned col);
  86
  87     // called to ensure that the given attribute will be used for rendering the
  88     // next cell (which had been already associated with this renderer before)
  89     virtual void OSXApplyAttr(const wxDataViewItemAttr& attr);
  90
  91     // called to set the state of the next cell to be rendered
  92     virtual void OSXApplyEnabled(bool enabled);
  93 #endif // Cocoa
  94
  95 private:
  96     // contains the alignment flags
  97     int m_alignment;
  98
  99     // storing the mode that determines how the cell is going to be shown
 100     wxDataViewCellMode m_mode;
 101
 102     // data used by implementation of the native renderer
 103     wxDataViewRendererNativeData* m_NativeDataPtr;
 104
 105     // value that is going to be rendered
 106     wxVariant m_value;
 107
 108     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewRenderer)
 109 };
 110
 111 #endif // _WX_OSX_DVRENDERER_H_
 112