src/gtk/bmpcbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/bmpcboxg.cpp
   3 // Purpose:     wxBitmapComboBox
   4 // Author:      Jaakko Salli
   5 // Created:     2008-05-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2008 Jaakko Salli
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/wxprec.h"
  20
  21 #ifdef __BORLANDC__
  22     #pragma hdrstop
  23 #endif
  24
  25 #if wxUSE_BITMAPCOMBOBOX
  26
  27 #include "wx/bmpcbox.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/log.h"
  31 #endif
  32
  33 #include "wx/gtk/private.h"
  34
  35 // ============================================================================
  36 // implementation
  37 // ============================================================================
  38
  39
  40 IMPLEMENT_DYNAMIC_CLASS(wxBitmapComboBox, wxComboBox)
  41
  42
  43 // ----------------------------------------------------------------------------
  44 // wxBitmapComboBox creation
  45 // ----------------------------------------------------------------------------
  46
  47 void wxBitmapComboBox::Init()
  48 {
  49     m_bitmapCellIndex = 0;
  50     m_stringCellIndex = 1;
  51     m_bitmapSize = wxSize(-1, -1);
  52 }
  53
  54 wxBitmapComboBox::wxBitmapComboBox(wxWindow *parent,
  55                                   wxWindowID id,
  56                                   const wxString& value,
  57                                   const wxPoint& pos,
  58                                   const wxSize& size,
  59                                   const wxArrayString& choices,
  60                                   long style,
  61                                   const wxValidator& validator,
  62                                   const wxString& name)
  63     : wxComboBox(),
  64       wxBitmapComboBoxBase()
  65 {
  66     Init();
  67
  68     Create(parent,id,value,pos,size,choices,style,validator,name);
  69 }
  70
  71 bool wxBitmapComboBox::Create(wxWindow *parent,
  72                               wxWindowID id,
  73                               const wxString& value,
  74                               const wxPoint& pos,
  75                               const wxSize& size,
  76                               const wxArrayString& choices,
  77                               long style,
  78                               const wxValidator& validator,
  79                               const wxString& name)
  80 {
  81     wxCArrayString chs(choices);
  82     return Create(parent, id, value, pos, size, chs.GetCount(),
  83                   chs.GetStrings(), style, validator, name);
  84 }
  85
  86 bool wxBitmapComboBox::Create(wxWindow *parent,
  87                               wxWindowID id,
  88                               const wxString& value,
  89                               const wxPoint& pos,
  90                               const wxSize& size,
  91                               int n,
  92                               const wxString choices[],
  93                               long style,
  94                               const wxValidator& validator,
  95                               const wxString& name)
  96 {
  97     if ( !wxComboBox::Create(parent, id, value, pos, size,
  98                              n, choices, style, validator, name) )
  99         return false;
 100
 101     // Select 'value' in entry-less mode
 102     if ( !GetEntry() )
 103     {
 104         int n = FindString(value);
 105         if ( n != wxNOT_FOUND )
 106             SetSelection(n);
 107     }
 108
 109     return true;
 110 }
 111
 112 void wxBitmapComboBox::GTKCreateComboBoxWidget()
 113 {
 114     GtkListStore *store;
 115
 116     store = gtk_list_store_new( 2, G_TYPE_OBJECT, G_TYPE_STRING );
 117
 118     if ( HasFlag(wxCB_READONLY) )
 119     {
 120         m_widget = gtk_combo_box_new_with_model( GTK_TREE_MODEL(store) );
 121     }
 122     else
 123     {
 124         m_widget = gtk_combo_box_entry_new_with_model( GTK_TREE_MODEL(store), m_stringCellIndex );
 125         m_entry = GTK_ENTRY( GTK_BIN(m_widget)->child );
 126         gtk_entry_set_editable( m_entry, TRUE );
 127     }
 128     g_object_ref(m_widget);
 129
 130     // This must be called as gtk_combo_box_entry_new_with_model adds
 131     // automatically adds one text column.
 132     gtk_cell_layout_clear( GTK_CELL_LAYOUT(m_widget) );
 133
 134     GtkCellRenderer* imageRenderer = gtk_cell_renderer_pixbuf_new();
 135     gtk_cell_layout_pack_start( GTK_CELL_LAYOUT(m_widget),
 136                                 imageRenderer, FALSE);
 137     gtk_cell_layout_add_attribute( GTK_CELL_LAYOUT(m_widget),
 138                                    imageRenderer, "pixbuf", 0);
 139
 140     GtkCellRenderer* textRenderer = gtk_cell_renderer_text_new();
 141     gtk_cell_layout_pack_end( GTK_CELL_LAYOUT(m_widget),
 142                               textRenderer, TRUE );
 143     gtk_cell_layout_add_attribute( GTK_CELL_LAYOUT(m_widget),
 144                                    textRenderer, "text", 1);
 145 }
 146
 147 wxBitmapComboBox::~wxBitmapComboBox()
 148 {
 149 }
 150
 151 GtkWidget* wxBitmapComboBox::GetConnectWidget()
 152 {
 153     if ( GetEntry() )
 154         return wxComboBox::GetConnectWidget();
 155
 156     return wxChoice::GetConnectWidget();
 157 }
 158
 159 GdkWindow *wxBitmapComboBox::GTKGetWindow(wxArrayGdkWindows& windows) const
 160 {
 161     if ( GetEntry() )
 162         return wxComboBox::GTKGetWindow(windows);
 163
 164     return wxChoice::GTKGetWindow(windows);
 165 }
 166
 167 // ----------------------------------------------------------------------------
 168 // Item manipulation
 169 // ----------------------------------------------------------------------------
 170
 171 void wxBitmapComboBox::SetItemBitmap(unsigned int n, const wxBitmap& bitmap)
 172 {
 173     if ( bitmap.IsOk() )
 174     {
 175         if ( m_bitmapSize.x < 0 )
 176         {
 177             m_bitmapSize.x = bitmap.GetWidth();
 178             m_bitmapSize.y = bitmap.GetHeight();
 179         }
 180
 181         GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
 182         GtkTreeModel *model = gtk_combo_box_get_model( combobox );
 183         GtkTreeIter iter;
 184
 185         if ( gtk_tree_model_iter_nth_child( model, &iter, NULL, n ) )
 186         {
 187             GValue value0 = { 0, };
 188             g_value_init( &value0, G_TYPE_OBJECT );
 189             g_value_set_object( &value0, bitmap.GetPixbuf() );
 190             gtk_list_store_set_value( GTK_LIST_STORE(model), &iter,
 191                                       m_bitmapCellIndex, &value0 );
 192             g_value_unset( &value0 );
 193         }
 194     }
 195 }
 196
 197 wxBitmap wxBitmapComboBox::GetItemBitmap(unsigned int n) const
 198 {
 199     wxBitmap bitmap;
 200
 201     GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
 202     GtkTreeModel *model = gtk_combo_box_get_model( combobox );
 203     GtkTreeIter iter;
 204
 205     if (gtk_tree_model_iter_nth_child (model, &iter, NULL, n))
 206     {
 207         GValue value = { 0, };
 208         gtk_tree_model_get_value( model, &iter,
 209                                   m_bitmapCellIndex, &value );
 210         GdkPixbuf* pixbuf = (GdkPixbuf*) g_value_get_object( &value );
 211         if ( pixbuf )
 212         {
 213             g_object_ref( pixbuf );
 214             bitmap.SetPixbuf( pixbuf );
 215         }
 216         g_value_unset( &value );
 217     }
 218
 219     return bitmap;
 220 }
 221
 222 int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap)
 223 {
 224     const int n = wxComboBox::Append(item);
 225     if ( n != wxNOT_FOUND )
 226         SetItemBitmap(n, bitmap);
 227     return n;
 228 }
 229
 230 int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap,
 231                              void *clientData)
 232 {
 233     const int n = wxComboBox::Append(item, clientData);
 234     if ( n != wxNOT_FOUND )
 235         SetItemBitmap(n, bitmap);
 236     return n;
 237 }
 238
 239 int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap,
 240                              wxClientData *clientData)
 241 {
 242     const int n = wxComboBox::Append(item, clientData);
 243     if ( n != wxNOT_FOUND )
 244         SetItemBitmap(n, bitmap);
 245     return n;
 246 }
 247
 248 int wxBitmapComboBox::Insert(const wxString& item,
 249                              const wxBitmap& bitmap,
 250                              unsigned int pos)
 251 {
 252     const int n = wxComboBox::Insert(item, pos);
 253     if ( n != wxNOT_FOUND )
 254         SetItemBitmap(n, bitmap);
 255     return n;
 256 }
 257
 258 int wxBitmapComboBox::Insert(const wxString& item, const wxBitmap& bitmap,
 259                              unsigned int pos, wxClientData *clientData)
 260 {
 261     const int n = wxComboBox::Insert(item, pos, clientData);
 262     if ( n != wxNOT_FOUND )
 263         SetItemBitmap(n, bitmap);
 264     return n;
 265 }
 266
 267 void wxBitmapComboBox::GTKInsertComboBoxTextItem( unsigned int n, const wxString& text )
 268 {
 269     GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
 270     GtkTreeModel *model = gtk_combo_box_get_model( combobox );
 271     GtkListStore *store = GTK_LIST_STORE( model );
 272     GtkTreeIter iter;
 273
 274     gtk_list_store_insert( store, &iter, n );
 275
 276     GValue value = { 0, };
 277     g_value_init( &value, G_TYPE_STRING );
 278     g_value_set_string( &value, wxGTK_CONV( text ) );
 279     gtk_list_store_set_value( store, &iter, m_stringCellIndex, &value );
 280     g_value_unset( &value );
 281 }
 282
 283 // ----------------------------------------------------------------------------
 284 // wxTextEntry interface override
 285 // ----------------------------------------------------------------------------
 286
 287 void wxBitmapComboBox::WriteText(const wxString& value)
 288 {
 289     if ( GetEntry() )
 290         wxComboBox::WriteText(value);
 291 }
 292
 293 wxString wxBitmapComboBox::GetValue() const
 294 {
 295     if ( GetEntry() )
 296         return wxComboBox::GetValue();
 297
 298     return GetStringSelection();
 299 }
 300
 301 void wxBitmapComboBox::Remove(long from, long to)
 302 {
 303     if ( GetEntry() )
 304         wxComboBox::Remove(from, to);
 305 }
 306
 307 void wxBitmapComboBox::SetInsertionPoint(long pos)
 308 {
 309     if ( GetEntry() )
 310         wxComboBox::SetInsertionPoint(pos);
 311 }
 312
 313 long wxBitmapComboBox::GetInsertionPoint() const
 314 {
 315     if ( GetEntry() )
 316         return wxComboBox::GetInsertionPoint();
 317
 318     return 0;
 319  }
 320 long wxBitmapComboBox::GetLastPosition() const
 321 {
 322     if ( GetEntry() )
 323         return wxComboBox::GetLastPosition();
 324
 325     return 0;
 326  }
 327
 328 void wxBitmapComboBox::SetSelection(long from, long to)
 329 {
 330     if ( GetEntry() )
 331         wxComboBox::SetSelection(from, to);
 332 }
 333
 334 void wxBitmapComboBox::GetSelection(long *from, long *to) const
 335 {
 336     if ( GetEntry() )
 337         wxComboBox::GetSelection(from, to);
 338 }
 339
 340 bool wxBitmapComboBox::IsEditable() const
 341 {
 342     if ( GetEntry() )
 343         return wxTextEntry::IsEditable();
 344
 345     return false;
 346 }
 347
 348 void wxBitmapComboBox::SetEditable(bool editable)
 349 {
 350     if ( GetEntry() )
 351         wxComboBox::SetEditable(editable);
 352 }
 353
 354 #endif // wxUSE_BITMAPCOMBOBOX