include/wx/gtk/dvrenderers.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/gtk/dvrenderers.h
   3 // Purpose:     All GTK wxDataViewCtrl renderer classes
   4 // Author:      Robert Roebling, Vadim Zeitlin
   5 // Created:     2009-11-07 (extracted from wx/gtk/dataview.h)
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 Robert Roebling
   8 //              (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_GTK_DVRENDERERS_H_
  13 #define _WX_GTK_DVRENDERERS_H_
  14
  15 typedef struct _GdkRectangle GdkRectangle;
  16
  17 // ---------------------------------------------------------
  18 // wxDataViewTextRenderer
  19 // ---------------------------------------------------------
  20
  21 class WXDLLIMPEXP_ADV wxDataViewTextRenderer: public wxDataViewRenderer
  22 {
  23 public:
  24     wxDataViewTextRenderer( const wxString &varianttype = "string",
  25                             wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
  26                             int align = wxDVR_DEFAULT_ALIGNMENT );
  27
  28     virtual bool SetValue( const wxVariant &value )
  29     {
  30         return SetTextValue(value);
  31     }
  32
  33     virtual bool GetValue( wxVariant &value ) const
  34     {
  35         wxString str;
  36         if ( !GetTextValue(str) )
  37             return false;
  38
  39         value = str;
  40
  41         return true;
  42     }
  43
  44     virtual void SetAlignment( int align );
  45
  46     virtual bool GtkSupportsAttrs() const { return true; }
  47     virtual bool GtkSetAttr(const wxDataViewItemAttr& attr);
  48
  49     virtual GtkCellRendererText *GtkGetTextRenderer() const;
  50
  51 protected:
  52     // implementation of Set/GetValue()
  53     bool SetTextValue(const wxString& str);
  54     bool GetTextValue(wxString& str) const;
  55
  56
  57     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewTextRenderer)
  58 };
  59
  60 // ---------------------------------------------------------
  61 // wxDataViewBitmapRenderer
  62 // ---------------------------------------------------------
  63
  64 class WXDLLIMPEXP_ADV wxDataViewBitmapRenderer: public wxDataViewRenderer
  65 {
  66 public:
  67     wxDataViewBitmapRenderer( const wxString &varianttype = "wxBitmap",
  68                               wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
  69                               int align = wxDVR_DEFAULT_ALIGNMENT );
  70
  71     bool SetValue( const wxVariant &value );
  72     bool GetValue( wxVariant &value ) const;
  73
  74 protected:
  75     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewBitmapRenderer)
  76 };
  77
  78 // ---------------------------------------------------------
  79 // wxDataViewToggleRenderer
  80 // ---------------------------------------------------------
  81
  82 class WXDLLIMPEXP_ADV wxDataViewToggleRenderer: public wxDataViewRenderer
  83 {
  84 public:
  85     wxDataViewToggleRenderer( const wxString &varianttype = "bool",
  86                               wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
  87                               int align = wxDVR_DEFAULT_ALIGNMENT );
  88
  89     bool SetValue( const wxVariant &value );
  90     bool GetValue( wxVariant &value ) const;
  91
  92 protected:
  93     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewToggleRenderer)
  94 };
  95
  96 // ---------------------------------------------------------
  97 // wxDataViewCustomRenderer
  98 // ---------------------------------------------------------
  99
 100 class WXDLLIMPEXP_ADV wxDataViewCustomRenderer: public wxDataViewCustomRendererBase
 101 {
 102 public:
 103     wxDataViewCustomRenderer( const wxString &varianttype = "string",
 104                               wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 105                               int align = wxDVR_DEFAULT_ALIGNMENT,
 106                               bool no_init = false );
 107     virtual ~wxDataViewCustomRenderer();
 108
 109
 110     // Create DC on request
 111     virtual wxDC *GetDC();
 112
 113     // override the base class function to use GTK text cell renderer
 114     virtual void RenderText(const wxString& text,
 115                             int xoffset,
 116                             wxRect cell,
 117                             wxDC *dc,
 118                             int state);
 119
 120     // store GTK render call parameters for possible later use
 121     void GTKStashRenderParams(GdkWindow *window,
 122                               GtkWidget *widget,
 123                               GdkRectangle *background_area,
 124                               GdkRectangle *expose_area,
 125                               int flags)
 126     {
 127         m_renderParams.window = window;
 128         m_renderParams.widget = widget;
 129         m_renderParams.background_area = background_area;
 130         m_renderParams.expose_area = expose_area;
 131         m_renderParams.flags = flags;
 132     }
 133
 134     // we may or not support attributes, as we don't know it, return true to
 135     // make it possible to use them
 136     virtual bool GtkSupportsAttrs() const { return true; }
 137
 138     virtual bool GtkSetAttr(const wxDataViewItemAttr& attr)
 139     {
 140         SetAttr(attr);
 141         return !attr.IsDefault();
 142     }
 143
 144     virtual GtkCellRendererText *GtkGetTextRenderer() const;
 145
 146 protected:
 147     bool Init(wxDataViewCellMode mode, int align);
 148
 149 private:
 150     // Called from GtkGetTextRenderer() to really create the renderer if
 151     // necessary.
 152     void GtkInitTextRenderer();
 153
 154     wxDC        *m_dc;
 155
 156     GtkCellRendererText      *m_text_renderer;
 157
 158     // parameters of the original render() call stored so that we could pass
 159     // them forward to m_text_renderer if our RenderText() is called
 160     struct GTKRenderParams
 161     {
 162         GdkWindow            *window;
 163         GtkWidget            *widget;
 164         GdkRectangle         *background_area;
 165         GdkRectangle         *expose_area;
 166         int                   flags;
 167     } m_renderParams;
 168
 169     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewCustomRenderer)
 170 };
 171
 172 // ---------------------------------------------------------
 173 // wxDataViewProgressRenderer
 174 // ---------------------------------------------------------
 175
 176 class WXDLLIMPEXP_ADV wxDataViewProgressRenderer: public wxDataViewCustomRenderer
 177 {
 178 public:
 179     wxDataViewProgressRenderer( const wxString &label = wxEmptyString,
 180                                 const wxString &varianttype = "long",
 181                                 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 182                                 int align = wxDVR_DEFAULT_ALIGNMENT );
 183     virtual ~wxDataViewProgressRenderer();
 184
 185     bool SetValue( const wxVariant &value );
 186     bool GetValue( wxVariant &value ) const;
 187
 188     virtual bool Render( wxRect cell, wxDC *dc, int state );
 189     virtual wxSize GetSize() const;
 190
 191 private:
 192     void GTKSetLabel();
 193
 194     wxString    m_label;
 195     int         m_value;
 196
 197 #if !wxUSE_UNICODE
 198     // Flag used to indicate that we need to set the label because we were
 199     // unable to do it in the ctor (see comments there).
 200     bool m_needsToSetLabel;
 201 #endif // !wxUSE_UNICODE
 202
 203 protected:
 204     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewProgressRenderer)
 205 };
 206
 207 // ---------------------------------------------------------
 208 // wxDataViewIconTextRenderer
 209 // ---------------------------------------------------------
 210
 211 class WXDLLIMPEXP_ADV wxDataViewIconTextRenderer: public wxDataViewTextRenderer
 212 {
 213 public:
 214     wxDataViewIconTextRenderer( const wxString &varianttype = "wxDataViewIconText",
 215                                 wxDataViewCellMode mode = wxDATAVIEW_CELL_INERT,
 216                                 int align = wxDVR_DEFAULT_ALIGNMENT );
 217     virtual ~wxDataViewIconTextRenderer();
 218
 219     bool SetValue( const wxVariant &value );
 220     bool GetValue( wxVariant &value ) const;
 221
 222     virtual void GtkPackIntoColumn(GtkTreeViewColumn *column);
 223
 224 protected:
 225     virtual void GtkOnCellChanged(const wxVariant& value,
 226                                   const wxDataViewItem& item,
 227                                   unsigned col);
 228
 229 private:
 230     wxDataViewIconText   m_value;
 231
 232     // we use the base class m_renderer for the text and this one for the icon
 233     GtkCellRenderer *m_rendererIcon;
 234
 235     DECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewIconTextRenderer)
 236 };
 237
 238 // -------------------------------------
 239 // wxDataViewChoiceRenderer
 240 // -------------------------------------
 241
 242 class WXDLLIMPEXP_ADV wxDataViewChoiceRenderer: public wxDataViewCustomRenderer
 243 {
 244 public:
 245     wxDataViewChoiceRenderer(const wxArrayString &choices,
 246                              wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE,
 247                              int alignment = wxDVR_DEFAULT_ALIGNMENT );
 248     virtual bool Render( wxRect rect, wxDC *dc, int state );
 249     virtual wxSize GetSize() const;
 250     virtual bool SetValue( const wxVariant &value );
 251     virtual bool GetValue( wxVariant &value ) const;
 252
 253     void SetAlignment( int align );
 254
 255     wxString GetChoice(size_t index) const { return m_choices[index]; }
 256     const wxArrayString& GetChoices() const { return m_choices; }
 257
 258 private:
 259     wxArrayString m_choices;
 260     wxString      m_data;
 261 };
 262
 263 // ----------------------------------------------------------------------------
 264 // wxDataViewChoiceByIndexRenderer
 265 // ----------------------------------------------------------------------------
 266
 267 class WXDLLIMPEXP_ADV wxDataViewChoiceByIndexRenderer: public wxDataViewChoiceRenderer
 268 {
 269 public:
 270     wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
 271                               wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE,
 272                               int alignment = wxDVR_DEFAULT_ALIGNMENT );
 273
 274     virtual bool SetValue( const wxVariant &value );
 275     virtual bool GetValue( wxVariant &value ) const;
 276
 277 private:
 278     virtual void GtkOnTextEdited(const char *itempath, const wxString& str);
 279 };
 280
 281
 282
 283 #endif // _WX_GTK_DVRENDERERS_H_
 284