src/gtk/bmpcbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/bmpcbox.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_get_child(GTK_BIN(m_widget)));
 126         gtk_editable_set_editable(GTK_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 wxSize wxBitmapComboBox::DoGetBestSize() const
 168 {
 169     wxSize best = wxComboBox::DoGetBestSize();
 170
 171     int delta = GetBitmapSize().y - GetCharHeight();
 172     if ( delta > 0 )
 173     {
 174         best.y += delta;
 175         CacheBestSize(best);
 176     }
 177     return best;
 178 }
 179
 180 // ----------------------------------------------------------------------------
 181 // Item manipulation
 182 // ----------------------------------------------------------------------------
 183
 184 void wxBitmapComboBox::SetItemBitmap(unsigned int n, const wxBitmap& bitmap)
 185 {
 186     if ( bitmap.IsOk() )
 187     {
 188         if ( m_bitmapSize.x < 0 )
 189         {
 190             m_bitmapSize.x = bitmap.GetWidth();
 191             m_bitmapSize.y = bitmap.GetHeight();
 192         }
 193
 194         GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
 195         GtkTreeModel *model = gtk_combo_box_get_model( combobox );
 196         GtkTreeIter iter;
 197
 198         if ( gtk_tree_model_iter_nth_child( model, &iter, NULL, n ) )
 199         {
 200             GValue value0 = { 0, };
 201             g_value_init( &value0, G_TYPE_OBJECT );
 202             g_value_set_object( &value0, bitmap.GetPixbuf() );
 203             gtk_list_store_set_value( GTK_LIST_STORE(model), &iter,
 204                                       m_bitmapCellIndex, &value0 );
 205             g_value_unset( &value0 );
 206         }
 207     }
 208 }
 209
 210 wxBitmap wxBitmapComboBox::GetItemBitmap(unsigned int n) const
 211 {
 212     wxBitmap bitmap;
 213
 214     GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
 215     GtkTreeModel *model = gtk_combo_box_get_model( combobox );
 216     GtkTreeIter iter;
 217
 218     if (gtk_tree_model_iter_nth_child (model, &iter, NULL, n))
 219     {
 220         GValue value = { 0, };
 221         gtk_tree_model_get_value( model, &iter,
 222                                   m_bitmapCellIndex, &value );
 223         GdkPixbuf* pixbuf = (GdkPixbuf*) g_value_get_object( &value );
 224         if ( pixbuf )
 225         {
 226             g_object_ref( pixbuf );
 227             bitmap = wxBitmap(pixbuf);
 228         }
 229         g_value_unset( &value );
 230     }
 231
 232     return bitmap;
 233 }
 234
 235 int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap)
 236 {
 237     const int n = wxComboBox::Append(item);
 238     if ( n != wxNOT_FOUND )
 239         SetItemBitmap(n, bitmap);
 240     return n;
 241 }
 242
 243 int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap,
 244                              void *clientData)
 245 {
 246     const int n = wxComboBox::Append(item, clientData);
 247     if ( n != wxNOT_FOUND )
 248         SetItemBitmap(n, bitmap);
 249     return n;
 250 }
 251
 252 int wxBitmapComboBox::Append(const wxString& item, const wxBitmap& bitmap,
 253                              wxClientData *clientData)
 254 {
 255     const int n = wxComboBox::Append(item, clientData);
 256     if ( n != wxNOT_FOUND )
 257         SetItemBitmap(n, bitmap);
 258     return n;
 259 }
 260
 261 int wxBitmapComboBox::Insert(const wxString& item,
 262                              const wxBitmap& bitmap,
 263                              unsigned int pos)
 264 {
 265     const int n = wxComboBox::Insert(item, pos);
 266     if ( n != wxNOT_FOUND )
 267         SetItemBitmap(n, bitmap);
 268     return n;
 269 }
 270
 271 int wxBitmapComboBox::Insert(const wxString& item, const wxBitmap& bitmap,
 272                              unsigned int pos, wxClientData *clientData)
 273 {
 274     const int n = wxComboBox::Insert(item, pos, clientData);
 275     if ( n != wxNOT_FOUND )
 276         SetItemBitmap(n, bitmap);
 277     return n;
 278 }
 279
 280 int wxBitmapComboBox::Insert(const wxString& item, const wxBitmap& bitmap,
 281                              unsigned int pos, void *clientData)
 282 {
 283     const int n = wxComboBox::Insert(item, pos, clientData);
 284     if ( n != wxNOT_FOUND )
 285         SetItemBitmap(n, bitmap);
 286     return n;
 287 }
 288
 289 void wxBitmapComboBox::GTKInsertComboBoxTextItem( unsigned int n, const wxString& text )
 290 {
 291     GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
 292     GtkTreeModel *model = gtk_combo_box_get_model( combobox );
 293     GtkListStore *store = GTK_LIST_STORE( model );
 294     GtkTreeIter iter;
 295
 296     gtk_list_store_insert( store, &iter, n );
 297
 298     GValue value = { 0, };
 299     g_value_init( &value, G_TYPE_STRING );
 300     g_value_set_string( &value, wxGTK_CONV( text ) );
 301     gtk_list_store_set_value( store, &iter, m_stringCellIndex, &value );
 302     g_value_unset( &value );
 303 }
 304
 305 // ----------------------------------------------------------------------------
 306 // wxTextEntry interface override
 307 // ----------------------------------------------------------------------------
 308
 309 void wxBitmapComboBox::WriteText(const wxString& value)
 310 {
 311     if ( GetEntry() )
 312         wxComboBox::WriteText(value);
 313     else
 314         SetStringSelection(value);
 315 }
 316
 317 wxString wxBitmapComboBox::GetValue() const
 318 {
 319     if ( GetEntry() )
 320         return wxComboBox::GetValue();
 321
 322     return GetStringSelection();
 323 }
 324
 325 void wxBitmapComboBox::Remove(long from, long to)
 326 {
 327     if ( GetEntry() )
 328         wxComboBox::Remove(from, to);
 329 }
 330
 331 void wxBitmapComboBox::SetInsertionPoint(long pos)
 332 {
 333     if ( GetEntry() )
 334         wxComboBox::SetInsertionPoint(pos);
 335 }
 336
 337 long wxBitmapComboBox::GetInsertionPoint() const
 338 {
 339     if ( GetEntry() )
 340         return wxComboBox::GetInsertionPoint();
 341
 342     return 0;
 343  }
 344 long wxBitmapComboBox::GetLastPosition() const
 345 {
 346     if ( GetEntry() )
 347         return wxComboBox::GetLastPosition();
 348
 349     return 0;
 350  }
 351
 352 void wxBitmapComboBox::SetSelection(long from, long to)
 353 {
 354     if ( GetEntry() )
 355         wxComboBox::SetSelection(from, to);
 356 }
 357
 358 void wxBitmapComboBox::GetSelection(long *from, long *to) const
 359 {
 360     if ( GetEntry() )
 361         wxComboBox::GetSelection(from, to);
 362 }
 363
 364 bool wxBitmapComboBox::IsEditable() const
 365 {
 366     if ( GetEntry() )
 367         return wxTextEntry::IsEditable();
 368
 369     return false;
 370 }
 371
 372 void wxBitmapComboBox::SetEditable(bool editable)
 373 {
 374     if ( GetEntry() )
 375         wxComboBox::SetEditable(editable);
 376 }
 377
 378 #endif // wxUSE_BITMAPCOMBOBOX