src/gtk/dataview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/dataview.cpp
   3 // Purpose:     wxDataViewCtrl GTK+2 implementation
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_DATAVIEWCTRL
  14
  15 #include "wx/dataview.h"
  16
  17 #ifndef wxUSE_GENERICDATAVIEWCTRL
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/log.h"
  21     #include "wx/dcclient.h"
  22     #include "wx/sizer.h"
  23     #include "wx/settings.h"
  24     #include "wx/crt.h"
  25 #endif
  26
  27 #include "wx/stockitem.h"
  28 #include "wx/popupwin.h"
  29 #include "wx/listimpl.cpp"
  30
  31 #include "wx/gtk/private.h"
  32 #include "wx/gtk/dc.h"
  33 #include "wx/gtk/dcclient.h"
  34
  35 #include "wx/gtk/private/gdkconv.h"
  36 #include "wx/gtk/private/list.h"
  37 using namespace wxGTKImpl;
  38
  39 class wxGtkDataViewModelNotifier;
  40
  41 //-----------------------------------------------------------------------------
  42 //-----------------------------------------------------------------------------
  43
  44 static wxDataViewCtrlInternal *gs_internal = NULL;
  45
  46 class wxGtkTreeModelNode;
  47
  48 extern "C" {
  49 typedef struct _GtkWxTreeModel       GtkWxTreeModel;
  50 }
  51
  52 // ----------------------------------------------------------------------------
  53 // wxGtkTreePath: self-destroying GtkTreePath
  54 // ----------------------------------------------------------------------------
  55
  56 // Usually this object is initialized with the associated GtkTreePath
  57 // immediately when it's constructed but it can also be changed later either by
  58 // using Assign() or by getting the pointer to the internally stored pointer
  59 // value using ByRef(). The latter should be avoided but is very convenient
  60 // when using GTK functions with GtkTreePath output parameters.
  61 class wxGtkTreePath
  62 {
  63 public:
  64     // Ctor takes ownership of the given path and will free it if non-NULL.
  65     wxGtkTreePath(GtkTreePath *path = NULL) : m_path(path) { }
  66
  67     // Creates a tree path for the given string path.
  68     wxGtkTreePath(const gchar *strpath)
  69         : m_path(gtk_tree_path_new_from_string(strpath))
  70     {
  71     }
  72
  73     // Set the stored pointer if not done by ctor.
  74     void Assign(GtkTreePath *path)
  75     {
  76         wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
  77
  78         m_path = path;
  79     }
  80
  81     // Return the pointer to the internally stored pointer. This should only be
  82     // used to initialize the object by passing it to some GTK function.
  83     GtkTreePath **ByRef()
  84     {
  85         wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
  86
  87         return &m_path;
  88     }
  89
  90
  91     operator GtkTreePath *() const { return m_path; }
  92
  93     ~wxGtkTreePath() { if ( m_path ) gtk_tree_path_free(m_path); }
  94
  95 private:
  96     GtkTreePath *m_path;
  97
  98     wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
  99 };
 100
 101 // ----------------------------------------------------------------------------
 102 // wxGtkTreePathList: self-destroying list of GtkTreePath objects.
 103 // ----------------------------------------------------------------------------
 104
 105 class wxGtkTreePathList : public wxGtkList
 106 {
 107 public:
 108     // Ctor takes ownership of the list.
 109     explicit wxGtkTreePathList(GList* list)
 110         : wxGtkList(list)
 111     {
 112     }
 113
 114     ~wxGtkTreePathList()
 115     {
 116         // Delete the list contents, wxGtkList will delete the list itself.
 117         g_list_foreach(m_list, (GFunc)gtk_tree_path_free, NULL);
 118     }
 119 };
 120
 121 // ----------------------------------------------------------------------------
 122 // wxGtkTreeSelectionLock: prevent selection from changing during the
 123 //                                 lifetime of this object
 124 // ----------------------------------------------------------------------------
 125
 126 // Implementation note: it could be expected that setting the selection
 127 // function in this class ctor and resetting it back to the old value in its
 128 // dtor would work. However currently gtk_tree_selection_get_select_function()
 129 // can't be passed NULL (see https://bugzilla.gnome.org/show_bug.cgi?id=626276)
 130 // so we can't do this. Instead, we always use the selection function (which
 131 // imposes extra overhead, albeit minimal one, on all selection operations) and
 132 // just set/reset the flag telling it whether it should allow or forbid the
 133 // selection.
 134 //
 135 // Also notice that currently only a single object of this class may exist at
 136 // any given moment. It's just simpler like this and we don't need anything
 137 // more for now.
 138
 139 extern "C"
 140 gboolean wxdataview_selection_func(GtkTreeSelection * WXUNUSED(selection),
 141                                    GtkTreeModel * WXUNUSED(model),
 142                                    GtkTreePath * WXUNUSED(path),
 143                                    gboolean WXUNUSED(path_currently_selected),
 144                                    gpointer data)
 145 {
 146     return data == NULL;
 147 }
 148
 149 class wxGtkTreeSelectionLock
 150 {
 151 public:
 152     wxGtkTreeSelectionLock(GtkTreeSelection *selection)
 153         : m_selection(selection)
 154     {
 155         wxASSERT_MSG( !ms_instance, "this class is not reentrant currently" );
 156
 157         ms_instance = this;
 158
 159         CheckCurrentSelectionFunc(NULL);
 160
 161         // Pass some non-NULL pointer as "data" for the callback, it doesn't
 162         // matter what it is as long as it's non-NULL.
 163         gtk_tree_selection_set_select_function(selection,
 164                                                wxdataview_selection_func,
 165                                                this,
 166                                                NULL);
 167     }
 168
 169     ~wxGtkTreeSelectionLock()
 170     {
 171         CheckCurrentSelectionFunc(wxdataview_selection_func);
 172
 173         gtk_tree_selection_set_select_function(m_selection,
 174                                                wxdataview_selection_func,
 175                                                NULL,
 176                                                NULL);
 177
 178         ms_instance = NULL;
 179     }
 180
 181 private:
 182     void CheckCurrentSelectionFunc(GtkTreeSelectionFunc func)
 183     {
 184         // We can only use gtk_tree_selection_get_select_function() with 2.14+
 185         // so check for its availability both during compile- and run-time.
 186 #if GTK_CHECK_VERSION(2, 14, 0)
 187         if ( gtk_check_version(2, 14, 0) != NULL )
 188             return;
 189
 190         // If this assert is triggered, it means the code elsewhere has called
 191         // gtk_tree_selection_set_select_function() but currently doing this
 192         // breaks this class so the code here needs to be changed.
 193         wxASSERT_MSG
 194         (
 195             gtk_tree_selection_get_select_function(m_selection) == func,
 196             "selection function has changed unexpectedly, review this code!"
 197         );
 198 #endif // GTK+ 2.14+
 199
 200         wxUnusedVar(func);
 201     }
 202
 203     static wxGtkTreeSelectionLock *ms_instance;
 204
 205     GtkTreeSelection * const m_selection;
 206
 207     wxDECLARE_NO_COPY_CLASS(wxGtkTreeSelectionLock);
 208 };
 209
 210 wxGtkTreeSelectionLock *wxGtkTreeSelectionLock::ms_instance = NULL;
 211
 212 //-----------------------------------------------------------------------------
 213 // wxDataViewCtrlInternal
 214 //-----------------------------------------------------------------------------
 215
 216 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 217 WX_DEFINE_LIST(ItemList)
 218
 219 class wxDataViewCtrlInternal
 220 {
 221 public:
 222     wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model );
 223     ~wxDataViewCtrlInternal();
 224
 225     // model iface
 226     GtkTreeModelFlags get_flags();
 227     gboolean get_iter( GtkTreeIter *iter, GtkTreePath *path );
 228     GtkTreePath *get_path( GtkTreeIter *iter);
 229     gboolean iter_next( GtkTreeIter *iter );
 230     gboolean iter_children( GtkTreeIter *iter, GtkTreeIter *parent);
 231     gboolean iter_has_child( GtkTreeIter *iter );
 232     gint iter_n_children( GtkTreeIter *iter );
 233     gboolean iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n );
 234     gboolean iter_parent( GtkTreeIter *iter, GtkTreeIter *child );
 235
 236     // dnd iface
 237
 238     bool EnableDragSource( const wxDataFormat &format );
 239     bool EnableDropTarget( const wxDataFormat &format );
 240
 241     gboolean row_draggable( GtkTreeDragSource *drag_source, GtkTreePath *path );
 242     gboolean drag_data_delete( GtkTreeDragSource *drag_source, GtkTreePath* path );
 243     gboolean drag_data_get( GtkTreeDragSource *drag_source, GtkTreePath *path,
 244         GtkSelectionData *selection_data );
 245     gboolean drag_data_received( GtkTreeDragDest *drag_dest, GtkTreePath *dest,
 246         GtkSelectionData *selection_data );
 247     gboolean row_drop_possible( GtkTreeDragDest *drag_dest, GtkTreePath *dest_path,
 248         GtkSelectionData *selection_data );
 249
 250     // notifactions from wxDataViewModel
 251     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 252     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 253     bool ItemChanged( const wxDataViewItem &item );
 254     bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
 255     bool Cleared();
 256     bool BeforeReset();
 257     bool AfterReset();
 258     void Resort();
 259
 260     // sorting interface
 261     void SetSortOrder( GtkSortType sort_order ) { m_sort_order = sort_order; }
 262     GtkSortType GetSortOrder() const            { return m_sort_order; }
 263
 264     void SetSortColumn( int column )            { m_sort_column = column; }
 265     int GetSortColumn() const                   { return m_sort_column; }
 266
 267     void SetDataViewSortColumn( wxDataViewColumn *column ) { m_dataview_sort_column = column; }
 268     wxDataViewColumn *GetDataViewSortColumn()   { return m_dataview_sort_column; }
 269
 270     bool IsSorted()                             { return (m_sort_column >= 0); }
 271
 272     // accessors
 273     wxDataViewModel* GetDataViewModel() { return m_wx_model; }
 274     const wxDataViewModel* GetDataViewModel() const { return m_wx_model; }
 275     wxDataViewCtrl* GetOwner()          { return m_owner; }
 276     GtkWxTreeModel* GetGtkModel()       { return m_gtk_model; }
 277
 278     // item can be deleted already in the model
 279     int GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item );
 280
 281     virtual void OnInternalIdle();
 282
 283 protected:
 284     void InitTree();
 285     void ScheduleRefresh();
 286
 287     wxGtkTreeModelNode *FindNode( const wxDataViewItem &item );
 288     wxGtkTreeModelNode *FindNode( GtkTreeIter *iter );
 289     wxGtkTreeModelNode *FindParentNode( const wxDataViewItem &item );
 290     wxGtkTreeModelNode *FindParentNode( GtkTreeIter *iter );
 291     void BuildBranch( wxGtkTreeModelNode *branch );
 292
 293 private:
 294     wxGtkTreeModelNode   *m_root;
 295     wxDataViewModel      *m_wx_model;
 296     GtkWxTreeModel       *m_gtk_model;
 297     wxDataViewCtrl       *m_owner;
 298     GtkSortType           m_sort_order;
 299     wxDataViewColumn     *m_dataview_sort_column;
 300     int                   m_sort_column;
 301
 302     GtkTargetEntry        m_dragSourceTargetEntry;
 303     wxCharBuffer          m_dragSourceTargetEntryTarget;
 304     wxDataObject         *m_dragDataObject;
 305
 306     GtkTargetEntry        m_dropTargetTargetEntry;
 307     wxCharBuffer          m_dropTargetTargetEntryTarget;
 308     wxDataObject         *m_dropDataObject;
 309
 310     wxGtkDataViewModelNotifier *m_notifier;
 311
 312     bool                  m_dirty;
 313 };
 314
 315
 316 //-----------------------------------------------------------------------------
 317 // wxGtkTreeModelNode
 318 //-----------------------------------------------------------------------------
 319
 320 static
 321 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
 322 {
 323     int ret = gs_internal->GetDataViewModel()->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2),
 324         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 325
 326     return ret;
 327 }
 328
 329 WX_DEFINE_ARRAY_PTR( wxGtkTreeModelNode*, wxGtkTreeModelNodes );
 330 WX_DEFINE_ARRAY_PTR( void*, wxGtkTreeModelChildren );
 331
 332 class wxGtkTreeModelNode
 333 {
 334 public:
 335     wxGtkTreeModelNode( wxGtkTreeModelNode* parent, const wxDataViewItem &item,
 336                         wxDataViewCtrlInternal *internal )
 337     {
 338         m_parent = parent;
 339         m_item = item;
 340         m_internal = internal;
 341     }
 342
 343     ~wxGtkTreeModelNode()
 344     {
 345         size_t count = m_nodes.GetCount();
 346         size_t i;
 347         for (i = 0; i < count; i++)
 348         {
 349             wxGtkTreeModelNode *child = m_nodes.Item( i );
 350             delete child;
 351         }
 352     }
 353
 354     void AddNode( wxGtkTreeModelNode* child )
 355         {
 356             m_nodes.Add( child );
 357
 358             void *id = child->GetItem().GetID();
 359
 360             m_children.Add( id );
 361
 362             if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
 363             {
 364                 gs_internal = m_internal;
 365                 m_children.Sort( &wxGtkTreeModelChildCmp );
 366             }
 367         }
 368
 369     void InsertNode( wxGtkTreeModelNode* child, unsigned pos )
 370         {
 371             if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
 372             {
 373                 AddNode(child);
 374                 return;
 375             }
 376
 377             void *id = child->GetItem().GetID();
 378
 379             // Insert into m_nodes so that the order of nodes in m_nodes is the
 380             // same as the order of their corresponding IDs in m_children:
 381             const unsigned int count = m_nodes.GetCount();
 382             bool inserted = false;
 383             for (unsigned i = 0; i < count; i++)
 384             {
 385                 wxGtkTreeModelNode *node = m_nodes[i];
 386                 int posInChildren = m_children.Index(node->GetItem().GetID());
 387                 if ( (unsigned)posInChildren >= pos )
 388                 {
 389                     m_nodes.Insert(child, i);
 390                     inserted = true;
 391                     break;
 392                 }
 393             }
 394             if ( !inserted )
 395                 m_nodes.Add(child);
 396
 397             m_children.Insert( id, pos );
 398         }
 399
 400     void AddLeaf( void* id )
 401         {
 402             InsertLeaf(id, m_children.size());
 403         }
 404
 405     void InsertLeaf( void* id, unsigned pos )
 406         {
 407             m_children.Insert( id, pos );
 408
 409             if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
 410             {
 411                 gs_internal = m_internal;
 412                 m_children.Sort( &wxGtkTreeModelChildCmp );
 413             }
 414         }
 415
 416     void DeleteChild( void* id )
 417         {
 418             m_children.Remove( id );
 419
 420             unsigned int count = m_nodes.GetCount();
 421             unsigned int pos;
 422             for (pos = 0; pos < count; pos++)
 423             {
 424                 wxGtkTreeModelNode *node = m_nodes.Item( pos );
 425                 if (node->GetItem().GetID() == id)
 426                 {
 427                     m_nodes.RemoveAt( pos );
 428                     delete node;
 429                     break;
 430                 }
 431             }
 432         }
 433
 434     wxGtkTreeModelNode* GetParent()
 435         { return m_parent; }
 436     wxGtkTreeModelNodes &GetNodes()
 437         { return m_nodes; }
 438     wxGtkTreeModelChildren &GetChildren()
 439         { return m_children; }
 440
 441     unsigned int GetChildCount() const { return m_children.GetCount(); }
 442     unsigned int GetNodesCount() const { return m_nodes.GetCount(); }
 443
 444     wxDataViewItem &GetItem() { return m_item; }
 445     wxDataViewCtrlInternal *GetInternal() { return m_internal; }
 446
 447     void Resort();
 448
 449 private:
 450     wxGtkTreeModelNode         *m_parent;
 451     wxGtkTreeModelNodes         m_nodes;
 452     wxGtkTreeModelChildren      m_children;
 453     wxDataViewItem              m_item;
 454     wxDataViewCtrlInternal     *m_internal;
 455 };
 456
 457
 458 //-----------------------------------------------------------------------------
 459 // data
 460 //-----------------------------------------------------------------------------
 461
 462 extern bool   g_blockEventsOnDrag;
 463
 464 //-----------------------------------------------------------------------------
 465 // define new GTK+ class wxGtkTreeModel
 466 //-----------------------------------------------------------------------------
 467
 468 extern "C" {
 469
 470 #define GTK_TYPE_WX_TREE_MODEL               (gtk_wx_tree_model_get_type ())
 471 #define GTK_WX_TREE_MODEL(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModel))
 472 #define GTK_WX_TREE_MODEL_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModelClass))
 473 #define GTK_IS_WX_TREE_MODEL(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_TREE_MODEL))
 474 #define GTK_IS_WX_TREE_MODEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_TREE_MODEL))
 475 #define GTK_WX_TREE_MODEL_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModelClass))
 476
 477 GType         gtk_wx_tree_model_get_type         (void);
 478
 479 typedef struct _GtkWxTreeModelClass  GtkWxTreeModelClass;
 480
 481 struct _GtkWxTreeModel
 482 {
 483   GObject parent;
 484
 485   /*< private >*/
 486   gint stamp;
 487   wxDataViewCtrlInternal *internal;
 488 };
 489
 490 struct _GtkWxTreeModelClass
 491 {
 492   GObjectClass list_parent_class;
 493 };
 494
 495 static GtkWxTreeModel *wxgtk_tree_model_new          (void);
 496 static void         wxgtk_tree_model_init            (GtkWxTreeModel       *tree_model);
 497 static void         wxgtk_tree_model_class_init      (GtkWxTreeModelClass  *klass);
 498
 499 static void         wxgtk_tree_model_tree_model_init (GtkTreeModelIface       *iface);
 500 static void         wxgtk_tree_model_sortable_init   (GtkTreeSortableIface    *iface);
 501 static void         wxgtk_tree_model_drag_source_init(GtkTreeDragSourceIface  *iface);
 502 static void         wxgtk_tree_model_drag_dest_init  (GtkTreeDragDestIface    *iface);
 503
 504 static void         wxgtk_tree_model_finalize        (GObject           *object);
 505 static GtkTreeModelFlags wxgtk_tree_model_get_flags  (GtkTreeModel      *tree_model);
 506 static gint         wxgtk_tree_model_get_n_columns   (GtkTreeModel      *tree_model);
 507 static GType        wxgtk_tree_model_get_column_type (GtkTreeModel      *tree_model,
 508                                                       gint               index);
 509 static gboolean     wxgtk_tree_model_get_iter        (GtkTreeModel      *tree_model,
 510                                                       GtkTreeIter       *iter,
 511                                                       GtkTreePath       *path);
 512 static GtkTreePath *wxgtk_tree_model_get_path        (GtkTreeModel      *tree_model,
 513                                                       GtkTreeIter       *iter);
 514 static void         wxgtk_tree_model_get_value       (GtkTreeModel      *tree_model,
 515                                                       GtkTreeIter       *iter,
 516                                                       gint               column,
 517                                                       GValue            *value);
 518 static gboolean     wxgtk_tree_model_iter_next       (GtkTreeModel      *tree_model,
 519                                                       GtkTreeIter       *iter);
 520 static gboolean     wxgtk_tree_model_iter_children   (GtkTreeModel      *tree_model,
 521                                                       GtkTreeIter       *iter,
 522                                                       GtkTreeIter       *parent);
 523 static gboolean     wxgtk_tree_model_iter_has_child  (GtkTreeModel      *tree_model,
 524                                                       GtkTreeIter       *iter);
 525 static gint         wxgtk_tree_model_iter_n_children (GtkTreeModel      *tree_model,
 526                                                       GtkTreeIter       *iter);
 527 static gboolean     wxgtk_tree_model_iter_nth_child  (GtkTreeModel      *tree_model,
 528                                                       GtkTreeIter       *iter,
 529                                                       GtkTreeIter       *parent,
 530                                                       gint               n);
 531 static gboolean     wxgtk_tree_model_iter_parent     (GtkTreeModel      *tree_model,
 532                                                       GtkTreeIter       *iter,
 533                                                       GtkTreeIter       *child);
 534
 535 /* sortable */
 536 static gboolean wxgtk_tree_model_get_sort_column_id    (GtkTreeSortable       *sortable,
 537                                                         gint                  *sort_column_id,
 538                                                         GtkSortType           *order);
 539 static void     wxgtk_tree_model_set_sort_column_id    (GtkTreeSortable       *sortable,
 540                                                         gint                   sort_column_id,
 541                                                         GtkSortType            order);
 542 static void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable       *sortable,
 543                                                         gint                   sort_column_id,
 544                                                         GtkTreeIterCompareFunc func,
 545                                                         gpointer               data,
 546                                                         GDestroyNotify       destroy);
 547 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
 548                                                         GtkTreeIterCompareFunc func,
 549                                                         gpointer               data,
 550                                                         GDestroyNotify       destroy);
 551 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 552
 553 /* drag'n'drop */
 554 static gboolean wxgtk_tree_model_row_draggable         (GtkTreeDragSource     *drag_source,
 555                                                         GtkTreePath           *path);
 556 static gboolean wxgtk_tree_model_drag_data_delete      (GtkTreeDragSource     *drag_source,
 557                                                         GtkTreePath           *path);
 558 static gboolean wxgtk_tree_model_drag_data_get         (GtkTreeDragSource     *drag_source,
 559                                                         GtkTreePath           *path,
 560                                                         GtkSelectionData      *selection_data);
 561 static gboolean wxgtk_tree_model_drag_data_received    (GtkTreeDragDest       *drag_dest,
 562                                                         GtkTreePath           *dest,
 563                                                         GtkSelectionData      *selection_data);
 564 static gboolean wxgtk_tree_model_row_drop_possible     (GtkTreeDragDest       *drag_dest,
 565                                                         GtkTreePath           *dest_path,
 566                                                         GtkSelectionData      *selection_data);
 567
 568
 569 static GObjectClass *list_parent_class = NULL;
 570
 571 GType
 572 gtk_wx_tree_model_get_type (void)
 573 {
 574     static GType tree_model_type = 0;
 575
 576     if (!tree_model_type)
 577     {
 578         const GTypeInfo tree_model_info =
 579         {
 580             sizeof (GtkWxTreeModelClass),
 581             NULL,   /* base_init */
 582             NULL,   /* base_finalize */
 583             (GClassInitFunc) wxgtk_tree_model_class_init,
 584             NULL,   /* class_finalize */
 585             NULL,   /* class_data */
 586             sizeof (GtkWxTreeModel),
 587             0,
 588             (GInstanceInitFunc) wxgtk_tree_model_init,
 589         };
 590
 591         static const GInterfaceInfo tree_model_iface_info =
 592         {
 593             (GInterfaceInitFunc) wxgtk_tree_model_tree_model_init,
 594             NULL,
 595             NULL
 596         };
 597
 598         static const GInterfaceInfo sortable_iface_info =
 599         {
 600             (GInterfaceInitFunc) wxgtk_tree_model_sortable_init,
 601             NULL,
 602             NULL
 603         };
 604
 605         static const GInterfaceInfo drag_source_iface_info =
 606         {
 607             (GInterfaceInitFunc) wxgtk_tree_model_drag_source_init,
 608             NULL,
 609             NULL
 610         };
 611
 612         static const GInterfaceInfo drag_dest_iface_info =
 613         {
 614             (GInterfaceInitFunc) wxgtk_tree_model_drag_dest_init,
 615             NULL,
 616             NULL
 617         };
 618
 619         tree_model_type = g_type_register_static (G_TYPE_OBJECT, "GtkWxTreeModel",
 620                                                 &tree_model_info, (GTypeFlags)0 );
 621
 622         g_type_add_interface_static (tree_model_type,
 623                                      GTK_TYPE_TREE_MODEL,
 624                                      &tree_model_iface_info);
 625         g_type_add_interface_static (tree_model_type,
 626                                      GTK_TYPE_TREE_SORTABLE,
 627                                      &sortable_iface_info);
 628         g_type_add_interface_static (tree_model_type,
 629                                      GTK_TYPE_TREE_DRAG_DEST,
 630                                      &drag_dest_iface_info);
 631         g_type_add_interface_static (tree_model_type,
 632                                      GTK_TYPE_TREE_DRAG_SOURCE,
 633                                      &drag_source_iface_info);
 634     }
 635
 636     return tree_model_type;
 637 }
 638
 639 static GtkWxTreeModel *
 640 wxgtk_tree_model_new(void)
 641 {
 642     GtkWxTreeModel *retval = (GtkWxTreeModel *) g_object_new (GTK_TYPE_WX_TREE_MODEL, NULL);
 643     return retval;
 644 }
 645
 646 static void
 647 wxgtk_tree_model_class_init (GtkWxTreeModelClass *klass)
 648 {
 649     list_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
 650     GObjectClass *object_class = (GObjectClass*) klass;
 651     object_class->finalize = wxgtk_tree_model_finalize;
 652 }
 653
 654 static void
 655 wxgtk_tree_model_tree_model_init (GtkTreeModelIface *iface)
 656 {
 657     iface->get_flags = wxgtk_tree_model_get_flags;
 658     iface->get_n_columns = wxgtk_tree_model_get_n_columns;
 659     iface->get_column_type = wxgtk_tree_model_get_column_type;
 660     iface->get_iter = wxgtk_tree_model_get_iter;
 661     iface->get_path = wxgtk_tree_model_get_path;
 662     iface->get_value = wxgtk_tree_model_get_value;
 663     iface->iter_next = wxgtk_tree_model_iter_next;
 664     iface->iter_children = wxgtk_tree_model_iter_children;
 665     iface->iter_has_child = wxgtk_tree_model_iter_has_child;
 666     iface->iter_n_children = wxgtk_tree_model_iter_n_children;
 667     iface->iter_nth_child = wxgtk_tree_model_iter_nth_child;
 668     iface->iter_parent = wxgtk_tree_model_iter_parent;
 669 }
 670
 671 static void
 672 wxgtk_tree_model_sortable_init (GtkTreeSortableIface *iface)
 673 {
 674     iface->get_sort_column_id = wxgtk_tree_model_get_sort_column_id;
 675     iface->set_sort_column_id = wxgtk_tree_model_set_sort_column_id;
 676     iface->set_sort_func = wxgtk_tree_model_set_sort_func;
 677     iface->set_default_sort_func = wxgtk_tree_model_set_default_sort_func;
 678     iface->has_default_sort_func = wxgtk_tree_model_has_default_sort_func;
 679 }
 680
 681 static void
 682 wxgtk_tree_model_drag_source_init(GtkTreeDragSourceIface  *iface)
 683 {
 684     iface->row_draggable = wxgtk_tree_model_row_draggable;
 685     iface->drag_data_delete = wxgtk_tree_model_drag_data_delete;
 686     iface->drag_data_get = wxgtk_tree_model_drag_data_get;
 687 }
 688
 689 static void
 690 wxgtk_tree_model_drag_dest_init  (GtkTreeDragDestIface    *iface)
 691 {
 692     iface->drag_data_received = wxgtk_tree_model_drag_data_received;
 693     iface->row_drop_possible = wxgtk_tree_model_row_drop_possible;
 694 }
 695
 696 static void
 697 wxgtk_tree_model_init (GtkWxTreeModel *tree_model)
 698 {
 699     tree_model->internal = NULL;
 700     tree_model->stamp = g_random_int();
 701 }
 702
 703 static void
 704 wxgtk_tree_model_finalize (GObject *object)
 705 {
 706     /* must chain up */
 707     (* list_parent_class->finalize) (object);
 708 }
 709
 710 } // extern "C"
 711
 712 //-----------------------------------------------------------------------------
 713 // implement callbacks from wxGtkTreeModel class by letting
 714 // them call the methods of wxWidgets' wxDataViewModel
 715 //-----------------------------------------------------------------------------
 716
 717 static GtkTreeModelFlags
 718 wxgtk_tree_model_get_flags (GtkTreeModel *tree_model)
 719 {
 720     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 721     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), (GtkTreeModelFlags)0 );
 722
 723     return wxtree_model->internal->get_flags();
 724 }
 725
 726 static gint
 727 wxgtk_tree_model_get_n_columns (GtkTreeModel *tree_model)
 728 {
 729     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 730     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
 731
 732     return wxtree_model->internal->GetDataViewModel()->GetColumnCount();
 733 }
 734
 735 static GType
 736 wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
 737                                   gint          index)
 738 {
 739     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 740     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), G_TYPE_INVALID);
 741
 742     GType gtype = G_TYPE_INVALID;
 743
 744     wxString wxtype = wxtree_model->internal->GetDataViewModel()->GetColumnType( (unsigned int) index );
 745
 746     if (wxtype == wxT("string"))
 747         gtype = G_TYPE_STRING;
 748     else
 749     {
 750         gtype = G_TYPE_POINTER;
 751         // wxFAIL_MSG( wxT("non-string columns not supported for searching yet") );
 752     }
 753
 754     return gtype;
 755 }
 756
 757 static gboolean
 758 wxgtk_tree_model_get_iter (GtkTreeModel *tree_model,
 759                            GtkTreeIter  *iter,
 760                            GtkTreePath  *path)
 761 {
 762     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 763     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 764     g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
 765
 766     return wxtree_model->internal->get_iter( iter, path );
 767 }
 768
 769 static GtkTreePath *
 770 wxgtk_tree_model_get_path (GtkTreeModel *tree_model,
 771                            GtkTreeIter  *iter)
 772 {
 773     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 774     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), NULL);
 775     g_return_val_if_fail (iter->stamp == GTK_WX_TREE_MODEL (wxtree_model)->stamp, NULL);
 776
 777     return wxtree_model->internal->get_path( iter );
 778 }
 779
 780 static void
 781 wxgtk_tree_model_get_value (GtkTreeModel *tree_model,
 782                             GtkTreeIter  *iter,
 783                             gint          column,
 784                             GValue       *value)
 785 {
 786     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 787     g_return_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model) );
 788
 789     wxDataViewModel *model = wxtree_model->internal->GetDataViewModel();
 790     wxString mtype = model->GetColumnType( (unsigned int) column );
 791     if (mtype == wxT("string"))
 792     {
 793         wxVariant variant;
 794         g_value_init( value, G_TYPE_STRING );
 795         wxDataViewItem item( (void*) iter->user_data );
 796         model->GetValue( variant, item, (unsigned int) column );
 797
 798         g_value_set_string( value, variant.GetString().utf8_str() );
 799     }
 800     else
 801     {
 802         wxFAIL_MSG( wxT("non-string columns not supported yet") );
 803     }
 804 }
 805
 806 static gboolean
 807 wxgtk_tree_model_iter_next (GtkTreeModel  *tree_model,
 808                             GtkTreeIter   *iter)
 809 {
 810     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 811
 812     // This happens when clearing the view by calling .._set_model( NULL );
 813     if (iter->stamp == 0) return FALSE;
 814
 815     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 816     g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
 817
 818     return wxtree_model->internal->iter_next( iter );
 819 }
 820
 821 static gboolean
 822 wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
 823                                 GtkTreeIter  *iter,
 824                                 GtkTreeIter  *parent)
 825 {
 826     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 827     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 828     if (parent)
 829     {
 830         g_return_val_if_fail (wxtree_model->stamp == parent->stamp, FALSE);
 831     }
 832
 833     return wxtree_model->internal->iter_children( iter, parent );
 834 }
 835
 836 static gboolean
 837 wxgtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
 838                                  GtkTreeIter  *iter)
 839 {
 840     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 841     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 842     g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
 843
 844     return wxtree_model->internal->iter_has_child( iter );
 845 }
 846
 847 static gint
 848 wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
 849                                   GtkTreeIter  *iter)
 850 {
 851     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 852     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
 853     g_return_val_if_fail ( !iter || wxtree_model->stamp == iter->stamp, 0);
 854
 855     return wxtree_model->internal->iter_n_children( iter );
 856 }
 857
 858 static gboolean
 859 wxgtk_tree_model_iter_nth_child (GtkTreeModel *tree_model,
 860                                  GtkTreeIter  *iter,
 861                                  GtkTreeIter  *parent,
 862                                  gint          n)
 863 {
 864     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 865     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 866
 867     return wxtree_model->internal->iter_nth_child( iter, parent, n );
 868 }
 869
 870 static gboolean
 871 wxgtk_tree_model_iter_parent (GtkTreeModel *tree_model,
 872                               GtkTreeIter  *iter,
 873                               GtkTreeIter  *child)
 874 {
 875     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 876     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 877     g_return_val_if_fail (wxtree_model->stamp == child->stamp, FALSE);
 878
 879     return wxtree_model->internal->iter_parent( iter, child );
 880 }
 881
 882 /* drag'n'drop iface */
 883 static gboolean
 884 wxgtk_tree_model_row_draggable (GtkTreeDragSource *drag_source,
 885                                 GtkTreePath       *path)
 886 {
 887     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
 888     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 889
 890     return wxtree_model->internal->row_draggable( drag_source, path );
 891 }
 892
 893 static gboolean
 894 wxgtk_tree_model_drag_data_delete (GtkTreeDragSource *drag_source,
 895                                    GtkTreePath       *path)
 896 {
 897     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
 898     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 899
 900     return wxtree_model->internal->drag_data_delete( drag_source, path );
 901 }
 902
 903 static gboolean
 904 wxgtk_tree_model_drag_data_get (GtkTreeDragSource *drag_source,
 905                                 GtkTreePath       *path,
 906                                 GtkSelectionData  *selection_data)
 907 {
 908     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
 909     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 910
 911 #if 0
 912     wxPrintf( "drag_get_data\n");
 913
 914     wxGtkString atom_selection(gdk_atom_name(selection_data->selection));
 915     wxPrintf( "selection %s\n", wxString::FromAscii(atom_selection) );
 916
 917     wxGtkString atom_target(gdk_atom_name(selection_data->target));
 918     wxPrintf( "target %s\n", wxString::FromAscii(atom_target) );
 919
 920     wxGtkString atom_type(gdk_atom_name(selection_data->type));
 921     wxPrintf( "type %s\n", wxString::FromAscii(atom_type) );
 922
 923     wxPrintf( "format %d\n", selection_data->format );
 924 #endif
 925
 926     return wxtree_model->internal->drag_data_get( drag_source, path, selection_data );
 927 }
 928
 929 static gboolean
 930 wxgtk_tree_model_drag_data_received (GtkTreeDragDest  *drag_dest,
 931                                      GtkTreePath      *dest,
 932                                      GtkSelectionData *selection_data)
 933 {
 934     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
 935     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 936
 937     return wxtree_model->internal->drag_data_received( drag_dest, dest, selection_data );
 938 }
 939
 940 static gboolean
 941 wxgtk_tree_model_row_drop_possible (GtkTreeDragDest  *drag_dest,
 942                                     GtkTreePath      *dest_path,
 943                                     GtkSelectionData *selection_data)
 944 {
 945     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
 946     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 947
 948     return wxtree_model->internal->row_drop_possible( drag_dest, dest_path, selection_data );
 949 }
 950
 951 /* sortable iface */
 952 static gboolean
 953 wxgtk_tree_model_get_sort_column_id (GtkTreeSortable *sortable,
 954                                      gint            *sort_column_id,
 955                                      GtkSortType     *order)
 956 {
 957     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) sortable;
 958
 959     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE);
 960
 961     if (!wxtree_model->internal->IsSorted())
 962     {
 963         if (sort_column_id)
 964             *sort_column_id = -1;
 965
 966         return TRUE;
 967     }
 968
 969
 970     if (sort_column_id)
 971         *sort_column_id = wxtree_model->internal->GetSortColumn();
 972
 973     if (order)
 974         *order = wxtree_model->internal->GetSortOrder();
 975
 976     return TRUE;
 977 }
 978
 979 wxDataViewColumn *gs_lastLeftClickHeader = NULL;
 980
 981 static void
 982 wxgtk_tree_model_set_sort_column_id (GtkTreeSortable *sortable,
 983                                      gint             sort_column_id,
 984                                      GtkSortType      order)
 985 {
 986     GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
 987     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
 988
 989     tree_model->internal->SetDataViewSortColumn( gs_lastLeftClickHeader );
 990
 991     if ((sort_column_id != (gint) tree_model->internal->GetSortColumn()) ||
 992         (order != tree_model->internal->GetSortOrder()))
 993     {
 994         tree_model->internal->SetSortColumn( sort_column_id );
 995         tree_model->internal->SetSortOrder( order );
 996
 997         gtk_tree_sortable_sort_column_changed (sortable);
 998
 999         tree_model->internal->GetDataViewModel()->Resort();
1000     }
1001
1002     if (gs_lastLeftClickHeader)
1003     {
1004         wxDataViewCtrl *dv = tree_model->internal->GetOwner();
1005         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, dv->GetId() );
1006         event.SetDataViewColumn( gs_lastLeftClickHeader );
1007         event.SetModel( dv->GetModel() );
1008         dv->HandleWindowEvent( event );
1009     }
1010
1011     gs_lastLeftClickHeader = NULL;
1012 }
1013
1014 static void
1015 wxgtk_tree_model_set_sort_func (GtkTreeSortable        *sortable,
1016                                 gint                    WXUNUSED(sort_column_id),
1017                                 GtkTreeIterCompareFunc  func,
1018                                 gpointer                WXUNUSED(data),
1019                                 GDestroyNotify        WXUNUSED(destroy))
1020 {
1021     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
1022     g_return_if_fail (func != NULL);
1023 }
1024
1025 static void
1026 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
1027                                         GtkTreeIterCompareFunc    func,
1028                                         gpointer                  WXUNUSED(data),
1029                                         GDestroyNotify          WXUNUSED(destroy))
1030 {
1031     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
1032     g_return_if_fail (func != NULL);
1033
1034     //wxPrintf( "wxgtk_tree_model_set_default_sort_func\n" );
1035     // TODO: remove this code
1036 }
1037
1038 static gboolean
1039 wxgtk_tree_model_has_default_sort_func (GtkTreeSortable        *sortable)
1040 {
1041     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE );
1042
1043     return FALSE;
1044 }
1045
1046 //-----------------------------------------------------------------------------
1047 // define new GTK+ class GtkWxRendererText
1048 //-----------------------------------------------------------------------------
1049
1050 extern "C" {
1051
1052 #define GTK_TYPE_WX_CELL_RENDERER_TEXT               (gtk_wx_cell_renderer_text_get_type ())
1053 #define GTK_WX_CELL_RENDERER_TEXT(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererText))
1054 #define GTK_WX_CELL_RENDERER_TEXT_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererTextClass))
1055 #define GTK_IS_WX_CELL_RENDERER_TEXT(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT))
1056 #define GTK_IS_WX_CELL_RENDERER_TEXT_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER_TEXT))
1057 #define GTK_WX_CELL_RENDERER_TEXT_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererTextClass))
1058
1059 GType            gtk_wx_cell_renderer_text_get_type (void);
1060
1061 typedef struct _GtkWxCellRendererText GtkWxCellRendererText;
1062 typedef struct _GtkWxCellRendererTextClass GtkWxCellRendererTextClass;
1063
1064 struct _GtkWxCellRendererText
1065 {
1066   GtkCellRendererText parent;
1067
1068   wxDataViewRenderer *wx_renderer;
1069 };
1070
1071 struct _GtkWxCellRendererTextClass
1072 {
1073   GtkCellRendererTextClass cell_parent_class;
1074 };
1075
1076
1077 static GtkWxCellRendererText *gtk_wx_cell_renderer_text_new   (void);
1078 static void gtk_wx_cell_renderer_text_init (
1079                         GtkWxCellRendererText      *cell );
1080 static void gtk_wx_cell_renderer_text_class_init(
1081                         GtkWxCellRendererTextClass *klass );
1082 static void gtk_wx_cell_renderer_text_finalize (
1083                         GObject                *object );
1084 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
1085                         GtkCellRenderer         *cell,
1086                         GdkEvent                *event,
1087                         GtkWidget               *widget,
1088                         const gchar             *path,
1089                         GdkRectangle            *background_area,
1090                         GdkRectangle            *cell_area,
1091                         GtkCellRendererState     flags );
1092
1093
1094 static GObjectClass *text_cell_parent_class = NULL;
1095
1096 }  // extern "C"
1097
1098 GType
1099 gtk_wx_cell_renderer_text_get_type (void)
1100 {
1101     static GType cell_wx_type = 0;
1102
1103     if (!cell_wx_type)
1104     {
1105         const GTypeInfo cell_wx_info =
1106         {
1107             sizeof (GtkWxCellRendererTextClass),
1108             NULL, /* base_init */
1109             NULL, /* base_finalize */
1110             (GClassInitFunc) gtk_wx_cell_renderer_text_class_init,
1111             NULL, /* class_finalize */
1112             NULL, /* class_data */
1113             sizeof (GtkWxCellRendererText),
1114             0,          /* n_preallocs */
1115             (GInstanceInitFunc) gtk_wx_cell_renderer_text_init,
1116         };
1117
1118         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER_TEXT,
1119             "GtkWxCellRendererText", &cell_wx_info, (GTypeFlags)0 );
1120     }
1121
1122     return cell_wx_type;
1123 }
1124
1125 static void
1126 gtk_wx_cell_renderer_text_init (GtkWxCellRendererText *cell)
1127 {
1128     cell->wx_renderer = NULL;
1129 }
1130
1131 static void
1132 gtk_wx_cell_renderer_text_class_init (GtkWxCellRendererTextClass *klass)
1133 {
1134     GObjectClass *object_class = G_OBJECT_CLASS (klass);
1135     GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
1136
1137     text_cell_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
1138
1139     object_class->finalize = gtk_wx_cell_renderer_text_finalize;
1140
1141     cell_class->start_editing = gtk_wx_cell_renderer_text_start_editing;
1142 }
1143
1144 static void
1145 gtk_wx_cell_renderer_text_finalize (GObject *object)
1146 {
1147     /* must chain up */
1148     (* G_OBJECT_CLASS (text_cell_parent_class)->finalize) (object);
1149 }
1150
1151 GtkWxCellRendererText*
1152 gtk_wx_cell_renderer_text_new (void)
1153 {
1154     return (GtkWxCellRendererText*) g_object_new (GTK_TYPE_WX_CELL_RENDERER_TEXT, NULL);
1155 }
1156
1157 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
1158                         GtkCellRenderer         *gtk_renderer,
1159                         GdkEvent                *gdk_event,
1160                         GtkWidget               *widget,
1161                         const gchar             *path,
1162                         GdkRectangle            *background_area,
1163                         GdkRectangle            *cell_area,
1164                         GtkCellRendererState     flags )
1165 {
1166     GtkWxCellRendererText *wxgtk_renderer = (GtkWxCellRendererText *) gtk_renderer;
1167     wxDataViewRenderer *wx_renderer = wxgtk_renderer->wx_renderer;
1168     wxDataViewColumn *column = wx_renderer->GetOwner();
1169
1170     wxDataViewItem
1171         item(column->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));
1172
1173     wxDataViewCtrl *dv = column->GetOwner();
1174     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING, dv->GetId() );
1175     event.SetDataViewColumn( column );
1176     event.SetModel( dv->GetModel() );
1177     event.SetColumn( column->GetModelColumn() );
1178     event.SetItem( item );
1179     dv->HandleWindowEvent( event );
1180
1181     if (event.IsAllowed())
1182         return GTK_CELL_RENDERER_CLASS(text_cell_parent_class)->
1183            start_editing( gtk_renderer, gdk_event, widget, path, background_area, cell_area, flags );
1184     else
1185         return NULL;
1186 }
1187
1188 //-----------------------------------------------------------------------------
1189 // define new GTK+ class GtkWxCellRenderer
1190 //-----------------------------------------------------------------------------
1191
1192 extern "C" {
1193
1194 #define GTK_TYPE_WX_CELL_RENDERER               (gtk_wx_cell_renderer_get_type ())
1195 #define GTK_WX_CELL_RENDERER(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRenderer))
1196 #define GTK_WX_CELL_RENDERER_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRendererClass))
1197 #define GTK_IS_WX_CELL_RENDERER(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER))
1198 #define GTK_IS_WX_CELL_RENDERER_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER))
1199 #define GTK_WX_CELL_RENDERER_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRendererClass))
1200
1201 GType            gtk_wx_cell_renderer_get_type (void);
1202
1203 typedef struct _GtkWxCellRenderer GtkWxCellRenderer;
1204 typedef struct _GtkWxCellRendererClass GtkWxCellRendererClass;
1205
1206 struct _GtkWxCellRenderer
1207 {
1208   GtkCellRenderer parent;
1209
1210   /*< private >*/
1211   wxDataViewCustomRenderer *cell;
1212   guint32 last_click;
1213 };
1214
1215 struct _GtkWxCellRendererClass
1216 {
1217   GtkCellRendererClass cell_parent_class;
1218 };
1219
1220
1221 static GtkCellRenderer *gtk_wx_cell_renderer_new   (void);
1222 static void gtk_wx_cell_renderer_init (
1223                         GtkWxCellRenderer      *cell );
1224 static void gtk_wx_cell_renderer_class_init(
1225                         GtkWxCellRendererClass *klass );
1226 static void gtk_wx_cell_renderer_finalize (
1227                         GObject                *object );
1228 static void gtk_wx_cell_renderer_get_size (
1229                         GtkCellRenderer         *cell,
1230                         GtkWidget               *widget,
1231                         GdkRectangle            *rectangle,
1232                         gint                    *x_offset,
1233                         gint                    *y_offset,
1234                         gint                    *width,
1235                         gint                    *height );
1236 static void gtk_wx_cell_renderer_render (
1237                         GtkCellRenderer         *cell,
1238                         GdkWindow               *window,
1239                         GtkWidget               *widget,
1240                         GdkRectangle            *background_area,
1241                         GdkRectangle            *cell_area,
1242                         GdkRectangle            *expose_area,
1243                         GtkCellRendererState     flags );
1244 static gboolean gtk_wx_cell_renderer_activate(
1245                         GtkCellRenderer         *cell,
1246                         GdkEvent                *event,
1247                         GtkWidget               *widget,
1248                         const gchar             *path,
1249                         GdkRectangle            *background_area,
1250                         GdkRectangle            *cell_area,
1251                         GtkCellRendererState     flags );
1252 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
1253                         GtkCellRenderer         *cell,
1254                         GdkEvent                *event,
1255                         GtkWidget               *widget,
1256                         const gchar             *path,
1257                         GdkRectangle            *background_area,
1258                         GdkRectangle            *cell_area,
1259                         GtkCellRendererState     flags );
1260
1261
1262 static GObjectClass *cell_parent_class = NULL;
1263
1264 }  // extern "C"
1265
1266 GType
1267 gtk_wx_cell_renderer_get_type (void)
1268 {
1269     static GType cell_wx_type = 0;
1270
1271     if (!cell_wx_type)
1272     {
1273         const GTypeInfo cell_wx_info =
1274         {
1275             sizeof (GtkWxCellRendererClass),
1276             NULL, /* base_init */
1277             NULL, /* base_finalize */
1278             (GClassInitFunc) gtk_wx_cell_renderer_class_init,
1279             NULL, /* class_finalize */
1280             NULL, /* class_data */
1281             sizeof (GtkWxCellRenderer),
1282             0,          /* n_preallocs */
1283             (GInstanceInitFunc) gtk_wx_cell_renderer_init,
1284         };
1285
1286         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER,
1287             "GtkWxCellRenderer", &cell_wx_info, (GTypeFlags)0 );
1288     }
1289
1290     return cell_wx_type;
1291 }
1292
1293 static void
1294 gtk_wx_cell_renderer_init (GtkWxCellRenderer *cell)
1295 {
1296     cell->cell = NULL;
1297     cell->last_click = 0;
1298 }
1299
1300 static void
1301 gtk_wx_cell_renderer_class_init (GtkWxCellRendererClass *klass)
1302 {
1303     GObjectClass *object_class = G_OBJECT_CLASS (klass);
1304     GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
1305
1306     cell_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
1307
1308     object_class->finalize = gtk_wx_cell_renderer_finalize;
1309
1310     cell_class->get_size = gtk_wx_cell_renderer_get_size;
1311     cell_class->render = gtk_wx_cell_renderer_render;
1312     cell_class->activate = gtk_wx_cell_renderer_activate;
1313     cell_class->start_editing = gtk_wx_cell_renderer_start_editing;
1314 }
1315
1316 static void
1317 gtk_wx_cell_renderer_finalize (GObject *object)
1318 {
1319     /* must chain up */
1320     (* G_OBJECT_CLASS (cell_parent_class)->finalize) (object);
1321 }
1322
1323 GtkCellRenderer*
1324 gtk_wx_cell_renderer_new (void)
1325 {
1326     return (GtkCellRenderer*) g_object_new (GTK_TYPE_WX_CELL_RENDERER, NULL);
1327 }
1328
1329 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
1330                         GtkCellRenderer         *renderer,
1331                         GdkEvent                *WXUNUSED(event),
1332                         GtkWidget               *widget,
1333                         const gchar             *path,
1334                         GdkRectangle            *WXUNUSED(background_area),
1335                         GdkRectangle            *cell_area,
1336                         GtkCellRendererState     WXUNUSED(flags) )
1337 {
1338     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1339     wxDataViewCustomRenderer *cell = wxrenderer->cell;
1340
1341     // Renderer doesn't support in-place editing
1342     if (!cell->HasEditorCtrl())
1343         return NULL;
1344
1345     // An in-place editing control is still around
1346     if (cell->GetEditorCtrl())
1347         return NULL;
1348
1349     GdkRectangle rect;
1350     gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
1351                                    &rect.x,
1352                                    &rect.y,
1353                                    &rect.width,
1354                                    &rect.height);
1355
1356     rect.x += cell_area->x;
1357     rect.y += cell_area->y;
1358 //    rect.width  -= renderer->xpad * 2;
1359 //    rect.height -= renderer->ypad * 2;
1360
1361 //    wxRect renderrect(wxRectFromGDKRect(&rect));
1362     wxRect renderrect(wxRectFromGDKRect(cell_area));
1363
1364     wxDataViewItem
1365         item(cell->GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));
1366
1367     cell->StartEditing( item, renderrect );
1368
1369     return NULL;
1370 }
1371
1372 static void
1373 gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
1374                                GtkWidget       *WXUNUSED(widget),
1375                                GdkRectangle    *cell_area,
1376                                gint            *x_offset,
1377                                gint            *y_offset,
1378                                gint            *width,
1379                                gint            *height)
1380 {
1381     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1382     wxDataViewCustomRenderer *cell = wxrenderer->cell;
1383
1384     wxSize size = cell->GetSize();
1385
1386     wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
1387
1388     // Uniform row height, if specified, overrides the value returned by the
1389     // renderer.
1390     if ( !ctrl->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
1391     {
1392         const int uniformHeight = ctrl->GTKGetUniformRowHeight();
1393         if ( uniformHeight > 0 )
1394             size.y = uniformHeight;
1395     }
1396
1397     int xpad, ypad;
1398     gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1399     int calc_width  = xpad * 2 + size.x;
1400     int calc_height = ypad * 2 + size.y;
1401
1402     if (x_offset)
1403         *x_offset = 0;
1404     if (y_offset)
1405         *y_offset = 0;
1406
1407     if (cell_area && size.x > 0 && size.y > 0)
1408     {
1409         float xalign, yalign;
1410         gtk_cell_renderer_get_alignment(renderer, &xalign, &yalign);
1411         if (x_offset)
1412         {
1413             *x_offset = int(xalign * (cell_area->width - calc_width - 2 * xpad));
1414             *x_offset = MAX(*x_offset, 0) + xpad;
1415         }
1416         if (y_offset)
1417         {
1418             *y_offset = int(yalign * (cell_area->height - calc_height - 2 * ypad));
1419             *y_offset = MAX(*y_offset, 0) + ypad;
1420         }
1421     }
1422
1423     if (width)
1424         *width = calc_width;
1425
1426     if (height)
1427         *height = calc_height;
1428 }
1429
1430 static void
1431 gtk_wx_cell_renderer_render (GtkCellRenderer      *renderer,
1432                              GdkWindow            *window,
1433                              GtkWidget            *widget,
1434                              GdkRectangle         *background_area,
1435                              GdkRectangle         *cell_area,
1436                              GdkRectangle         *expose_area,
1437                              GtkCellRendererState  flags)
1438
1439 {
1440     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1441     wxDataViewCustomRenderer *cell = wxrenderer->cell;
1442
1443     cell->GTKStashRenderParams(window, widget,
1444                                background_area, expose_area, flags);
1445
1446     wxRect rect(wxRectFromGDKRect(cell_area));
1447     int xpad, ypad;
1448     gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1449     rect = rect.Deflate(xpad, ypad);
1450
1451     wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
1452     wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();
1453
1454     // Reinitialize wxWindowDC's GDK window if drawing occurs into a different
1455     // window such as a DnD drop window.
1456     if (window != impl->m_gdkwindow)
1457     {
1458         impl->Destroy();
1459         impl->m_gdkwindow = window;
1460         impl->SetUpDC();
1461     }
1462
1463     int state = 0;
1464     if (flags & GTK_CELL_RENDERER_SELECTED)
1465         state |= wxDATAVIEW_CELL_SELECTED;
1466     if (flags & GTK_CELL_RENDERER_PRELIT)
1467         state |= wxDATAVIEW_CELL_PRELIT;
1468     if (flags & GTK_CELL_RENDERER_INSENSITIVE)
1469         state |= wxDATAVIEW_CELL_INSENSITIVE;
1470     if (flags & GTK_CELL_RENDERER_INSENSITIVE)
1471         state |= wxDATAVIEW_CELL_INSENSITIVE;
1472     if (flags & GTK_CELL_RENDERER_FOCUSED)
1473         state |= wxDATAVIEW_CELL_FOCUSED;
1474     cell->WXCallRender( rect, dc, state );
1475 }
1476
1477 static gboolean
1478 gtk_wx_cell_renderer_activate(
1479                         GtkCellRenderer         *renderer,
1480                         GdkEvent                *event,
1481                         GtkWidget               *widget,
1482                         const gchar             *path,
1483                         GdkRectangle            *WXUNUSED(background_area),
1484                         GdkRectangle            *cell_area,
1485                         GtkCellRendererState     WXUNUSED(flags) )
1486 {
1487     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1488     wxDataViewCustomRenderer *cell = wxrenderer->cell;
1489
1490     GdkRectangle rect;
1491     gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
1492                                    &rect.x,
1493                                    &rect.y,
1494                                    &rect.width,
1495                                    &rect.height);
1496
1497     rect.x += cell_area->x;
1498     rect.y += cell_area->y;
1499     int xpad, ypad;
1500     gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1501     rect.width  -= xpad * 2;
1502     rect.height -= ypad * 2;
1503
1504     wxRect renderrect(wxRectFromGDKRect(&rect));
1505
1506     wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
1507     wxDataViewModel *model = ctrl->GetModel();
1508
1509     wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));
1510
1511     unsigned int model_col = cell->GetOwner()->GetModelColumn();
1512
1513     if (!event)
1514     {
1515         bool ret = false;
1516
1517         // activated by <ENTER>
1518         if (cell->Activate( renderrect, model, item, model_col ))
1519                     ret = true;
1520
1521         return ret;
1522     }
1523     else if (event->type == GDK_BUTTON_PRESS)
1524     {
1525         GdkEventButton *button_event = (GdkEventButton*) event;
1526         wxPoint pt( ((int) button_event->x) - renderrect.x,
1527                     ((int) button_event->y) - renderrect.y );
1528
1529         bool ret = false;
1530         if (button_event->button == 1)
1531         {
1532             if (cell->LeftClick( pt, renderrect, model, item, model_col ))
1533                 ret = true;
1534             // TODO: query system double-click time
1535             if (button_event->time - wxrenderer->last_click < 400)
1536                 if (cell->Activate( renderrect, model, item, model_col ))
1537                     ret = true;
1538         }
1539         wxrenderer->last_click = button_event->time;
1540
1541         return ret;
1542     }
1543
1544     return false;
1545 }
1546
1547 // ---------------------------------------------------------
1548 // wxGtkDataViewModelNotifier
1549 // ---------------------------------------------------------
1550
1551 class wxGtkDataViewModelNotifier: public wxDataViewModelNotifier
1552 {
1553 public:
1554     wxGtkDataViewModelNotifier( wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal );
1555     ~wxGtkDataViewModelNotifier();
1556
1557     virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
1558     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
1559     virtual bool ItemChanged( const wxDataViewItem &item );
1560     virtual bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
1561     virtual bool Cleared();
1562     virtual void Resort();
1563     virtual bool BeforeReset();
1564     virtual bool AfterReset();
1565
1566     void UpdateLastCount();
1567
1568 private:
1569     wxDataViewModel         *m_wx_model;
1570     wxDataViewCtrlInternal  *m_internal;
1571 };
1572
1573 // ---------------------------------------------------------
1574 // wxGtkDataViewListModelNotifier
1575 // ---------------------------------------------------------
1576
1577 wxGtkDataViewModelNotifier::wxGtkDataViewModelNotifier(
1578     wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal )
1579 {
1580     m_wx_model = wx_model;
1581     m_internal = internal;
1582 }
1583
1584 wxGtkDataViewModelNotifier::~wxGtkDataViewModelNotifier()
1585 {
1586     m_wx_model = NULL;
1587     m_internal = NULL;
1588 }
1589
1590 bool wxGtkDataViewModelNotifier::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
1591 {
1592     m_internal->ItemAdded( parent, item );
1593     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1594
1595     GtkTreeIter iter;
1596     iter.stamp = wxgtk_model->stamp;
1597     iter.user_data = item.GetID();
1598
1599     wxGtkTreePath path(wxgtk_tree_model_get_path(
1600         GTK_TREE_MODEL(wxgtk_model), &iter ));
1601     gtk_tree_model_row_inserted(
1602         GTK_TREE_MODEL(wxgtk_model), path, &iter);
1603
1604     return true;
1605 }
1606
1607 bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
1608 {
1609     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1610 #if 0
1611     // using _get_path for a deleted item cannot be
1612     // a good idea
1613     GtkTreeIter iter;
1614     iter.stamp = wxgtk_model->stamp;
1615     iter.user_data = (gpointer) item.GetID();
1616     wxGtkTreePath path(wxgtk_tree_model_get_path(
1617         GTK_TREE_MODEL(wxgtk_model), &iter ));
1618 #else
1619     // so get the path from the parent
1620     GtkTreeIter parentIter;
1621     parentIter.stamp = wxgtk_model->stamp;
1622     parentIter.user_data = (gpointer) parent.GetID();
1623     wxGtkTreePath parentPath(wxgtk_tree_model_get_path(
1624         GTK_TREE_MODEL(wxgtk_model), &parentIter ));
1625
1626     // and add the final index ourselves
1627     wxGtkTreePath path(gtk_tree_path_copy(parentPath));
1628     int index = m_internal->GetIndexOf( parent, item );
1629     gtk_tree_path_append_index( path, index );
1630 #endif
1631
1632     gtk_tree_model_row_deleted(
1633         GTK_TREE_MODEL(wxgtk_model), path );
1634
1635     m_internal->ItemDeleted( parent, item );
1636
1637     // Did we remove the last child, causing 'parent' to become a leaf?
1638     if ( !m_wx_model->IsContainer(parent) )
1639     {
1640         gtk_tree_model_row_has_child_toggled
1641         (
1642             GTK_TREE_MODEL(wxgtk_model),
1643             parentPath,
1644             &parentIter
1645         );
1646     }
1647
1648     return true;
1649 }
1650
1651 void wxGtkDataViewModelNotifier::Resort()
1652 {
1653     m_internal->Resort();
1654 }
1655
1656 bool wxGtkDataViewModelNotifier::ItemChanged( const wxDataViewItem &item )
1657 {
1658     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1659
1660     GtkTreeIter iter;
1661     iter.stamp = wxgtk_model->stamp;
1662     iter.user_data = (gpointer) item.GetID();
1663
1664     wxGtkTreePath path(wxgtk_tree_model_get_path(
1665         GTK_TREE_MODEL(wxgtk_model), &iter ));
1666     gtk_tree_model_row_changed(
1667         GTK_TREE_MODEL(wxgtk_model), path, &iter );
1668
1669     m_internal->ItemChanged( item );
1670
1671     return true;
1672 }
1673
1674 bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_column )
1675 {
1676     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1677     wxDataViewCtrl *ctrl = m_internal->GetOwner();
1678
1679     // This adds GTK+'s missing MVC logic for ValueChanged
1680     unsigned int index;
1681     for (index = 0; index < ctrl->GetColumnCount(); index++)
1682     {
1683         wxDataViewColumn *column = ctrl->GetColumn( index );
1684         if (column->GetModelColumn() == model_column)
1685         {
1686             GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
1687             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
1688
1689             // Don't attempt to refresh not yet realized tree, it is useless
1690             // and results in GTK errors.
1691             if ( gtk_widget_get_realized(ctrl->GtkGetTreeView()) )
1692             {
1693                 // Get cell area
1694                 GtkTreeIter iter;
1695                 iter.stamp = wxgtk_model->stamp;
1696                 iter.user_data = (gpointer) item.GetID();
1697                 wxGtkTreePath path(wxgtk_tree_model_get_path(
1698                     GTK_TREE_MODEL(wxgtk_model), &iter ));
1699                 GdkRectangle cell_area;
1700                 gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );
1701
1702                 GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
1703                 double d = gtk_adjustment_get_value( hadjust );
1704                 int xdiff = (int) d;
1705
1706                 int ydiff = gcolumn->button->allocation.height;
1707                 // Redraw
1708                 gtk_widget_queue_draw_area( GTK_WIDGET(widget),
1709                     cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
1710             }
1711
1712             m_internal->ValueChanged( item, model_column );
1713
1714             return true;
1715         }
1716     }
1717
1718     return false;
1719 }
1720
1721 bool wxGtkDataViewModelNotifier::BeforeReset()
1722 {
1723     GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1724     gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), NULL );
1725
1726     return true;
1727 }
1728
1729 bool wxGtkDataViewModelNotifier::AfterReset()
1730 {
1731     GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1732     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1733
1734     m_internal->Cleared();
1735
1736     gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), GTK_TREE_MODEL(wxgtk_model) );
1737
1738     return true;
1739 }
1740
1741 bool wxGtkDataViewModelNotifier::Cleared()
1742 {
1743     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1744
1745     // There is no call to tell the model that everything
1746     // has been deleted so call row_deleted() for every
1747     // child of root...
1748
1749     int count = m_internal->iter_n_children( NULL ); // number of children of root
1750
1751     GtkTreePath *path = gtk_tree_path_new_first();  // points to root
1752
1753     int i;
1754     for (i = 0; i < count; i++)
1755         gtk_tree_model_row_deleted( GTK_TREE_MODEL(wxgtk_model), path );
1756
1757     gtk_tree_path_free( path );
1758
1759     m_internal->Cleared();
1760
1761     return true;
1762 }
1763
1764 // ---------------------------------------------------------
1765 // wxDataViewRenderer
1766 // ---------------------------------------------------------
1767
1768 static gpointer s_user_data = NULL;
1769
1770 static void
1771 wxgtk_cell_editable_editing_done( GtkCellEditable *WXUNUSED(editable),
1772                                   wxDataViewRenderer *wxrenderer )
1773 {
1774     wxDataViewColumn *column = wxrenderer->GetOwner();
1775     wxDataViewCtrl *dv = column->GetOwner();
1776     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, dv->GetId() );
1777     event.SetDataViewColumn( column );
1778     event.SetModel( dv->GetModel() );
1779     wxDataViewItem item( s_user_data );
1780     event.SetItem( item );
1781     dv->HandleWindowEvent( event );
1782 }
1783
1784 static void
1785 wxgtk_renderer_editing_started( GtkCellRenderer *WXUNUSED(cell), GtkCellEditable *editable,
1786                                 gchar *path, wxDataViewRenderer *wxrenderer )
1787 {
1788     if (!editable)
1789        return;
1790
1791     wxDataViewColumn *column = wxrenderer->GetOwner();
1792     wxDataViewCtrl *dv = column->GetOwner();
1793     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv->GetId() );
1794     event.SetDataViewColumn( column );
1795     event.SetModel( dv->GetModel() );
1796     wxDataViewItem item(dv->GTKPathToItem(wxGtkTreePath(path)));
1797     event.SetItem( item );
1798     dv->HandleWindowEvent( event );
1799
1800     if (GTK_IS_CELL_EDITABLE(editable))
1801     {
1802         s_user_data = item.GetID();
1803
1804         g_signal_connect (GTK_CELL_EDITABLE (editable), "editing_done",
1805             G_CALLBACK (wxgtk_cell_editable_editing_done),
1806             (gpointer) wxrenderer );
1807
1808     }
1809 }
1810
1811
1812 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
1813
1814 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype, wxDataViewCellMode mode,
1815                                         int align ) :
1816     wxDataViewRendererBase( varianttype, mode, align )
1817 {
1818     m_renderer = NULL;
1819     m_mode = mode;
1820
1821     // we haven't changed them yet
1822     m_usingDefaultAttrs = true;
1823
1824     // NOTE: SetMode() and SetAlignment() needs to be called in the renderer's ctor,
1825     //       after the m_renderer pointer has been initialized
1826 }
1827
1828 void wxDataViewRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
1829 {
1830     gtk_tree_view_column_pack_end( column, m_renderer, TRUE /* expand */);
1831 }
1832
1833 void wxDataViewRenderer::GtkInitHandlers()
1834 {
1835     if (!gtk_check_version(2,6,0))
1836     {
1837         g_signal_connect (GTK_CELL_RENDERER(m_renderer), "editing_started",
1838             G_CALLBACK (wxgtk_renderer_editing_started),
1839             this);
1840     }
1841 }
1842
1843 void wxDataViewRenderer::SetMode( wxDataViewCellMode mode )
1844 {
1845     GtkCellRendererMode gtkMode;
1846     switch (mode)
1847     {
1848         case wxDATAVIEW_CELL_INERT:
1849             gtkMode = GTK_CELL_RENDERER_MODE_INERT;
1850             break;
1851
1852         case wxDATAVIEW_CELL_ACTIVATABLE:
1853             gtkMode = GTK_CELL_RENDERER_MODE_ACTIVATABLE;
1854             break;
1855
1856         case wxDATAVIEW_CELL_EDITABLE:
1857             gtkMode = GTK_CELL_RENDERER_MODE_EDITABLE;
1858             break;
1859
1860         default:
1861             wxFAIL_MSG( "unknown wxDataViewCellMode value" );
1862             return;
1863     }
1864
1865     m_mode = mode;
1866
1867     // This value is most often ignored in GtkTreeView
1868     GValue gvalue = { 0, };
1869     g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
1870     g_value_set_enum( &gvalue, gtkMode );
1871     g_object_set_property( G_OBJECT(m_renderer), "mode", &gvalue );
1872     g_value_unset( &gvalue );
1873 }
1874
1875 wxDataViewCellMode wxDataViewRenderer::GetMode() const
1876 {
1877     wxDataViewCellMode ret;
1878
1879     GValue gvalue;
1880     g_object_get( G_OBJECT(m_renderer), "mode", &gvalue, NULL);
1881
1882     switch (g_value_get_enum(&gvalue))
1883     {
1884         default:
1885             wxFAIL_MSG( "unknown GtkCellRendererMode value" );
1886             // fall through (we have to return something)
1887
1888         case GTK_CELL_RENDERER_MODE_INERT:
1889             ret = wxDATAVIEW_CELL_INERT;
1890             break;
1891
1892         case GTK_CELL_RENDERER_MODE_ACTIVATABLE:
1893             ret = wxDATAVIEW_CELL_ACTIVATABLE;
1894             break;
1895
1896         case GTK_CELL_RENDERER_MODE_EDITABLE:
1897             ret = wxDATAVIEW_CELL_EDITABLE;
1898             break;
1899     }
1900
1901     g_value_unset( &gvalue );
1902
1903     return ret;
1904 }
1905
1906 void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)
1907 {
1908     int align = m_alignment;
1909
1910     // query alignment from column ?
1911     if (align == -1)
1912     {
1913         // None there yet
1914         if (GetOwner() == NULL)
1915             return;
1916
1917         align = GetOwner()->GetAlignment();
1918         align |= wxALIGN_CENTRE_VERTICAL;
1919     }
1920
1921     // horizontal alignment:
1922
1923     gfloat xalign = 0.0;
1924     if (align & wxALIGN_RIGHT)
1925         xalign = 1.0;
1926     else if (align & wxALIGN_CENTER_HORIZONTAL)
1927         xalign = 0.5;
1928
1929     GValue gvalue = { 0, };
1930     g_value_init( &gvalue, G_TYPE_FLOAT );
1931     g_value_set_float( &gvalue, xalign );
1932     g_object_set_property( G_OBJECT(renderer), "xalign", &gvalue );
1933     g_value_unset( &gvalue );
1934
1935     // vertical alignment:
1936
1937     gfloat yalign = 0.0;
1938     if (align & wxALIGN_BOTTOM)
1939         yalign = 1.0;
1940     else if (align & wxALIGN_CENTER_VERTICAL)
1941         yalign = 0.5;
1942
1943     GValue gvalue2 = { 0, };
1944     g_value_init( &gvalue2, G_TYPE_FLOAT );
1945     g_value_set_float( &gvalue2, yalign );
1946     g_object_set_property( G_OBJECT(renderer), "yalign", &gvalue2 );
1947     g_value_unset( &gvalue2 );
1948 }
1949
1950 void wxDataViewRenderer::SetAlignment( int align )
1951 {
1952     m_alignment = align;
1953     GtkUpdateAlignment();
1954 }
1955
1956 int wxDataViewRenderer::GetAlignment() const
1957 {
1958     return m_alignment;
1959 }
1960
1961 void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
1962 {
1963 #ifdef __WXGTK26__
1964     if ( gtk_check_version(2, 6, 0) != NULL )
1965         return;
1966
1967     GtkCellRendererText * const rend = GtkGetTextRenderer();
1968     if ( !rend )
1969         return;
1970
1971     // we use the same values in wxEllipsizeMode as PangoEllipsizeMode so we
1972     // can just cast between them
1973     GValue gvalue = { 0, };
1974     g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1975     g_value_set_enum( &gvalue, static_cast<PangoEllipsizeMode>(mode) );
1976     g_object_set_property( G_OBJECT(rend), "ellipsize", &gvalue );
1977     g_value_unset( &gvalue );
1978 #else // GTK < 2.6
1979     wxUnusedVar(mode);
1980 #endif // GTK 2.6/before
1981 }
1982
1983 wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
1984 {
1985 #ifdef __WXGTK26__
1986     if ( gtk_check_version(2, 6, 0) != NULL )
1987         return wxELLIPSIZE_NONE;
1988
1989     GtkCellRendererText * const rend = GtkGetTextRenderer();
1990     if ( !rend )
1991         return wxELLIPSIZE_NONE;
1992
1993     GValue gvalue = { 0, };
1994     g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1995     g_object_get_property( G_OBJECT(rend), "ellipsize", &gvalue );
1996     wxEllipsizeMode
1997         mode = static_cast<wxEllipsizeMode>(g_value_get_enum( &gvalue ));
1998     g_value_unset( &gvalue );
1999
2000     return mode;
2001 #else // GTK < 2.6
2002     return wxELLIPSIZE_NONE;
2003 #endif // GTK 2.6/before
2004 }
2005
2006 void
2007 wxDataViewRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
2008 {
2009     wxVariant value(str);
2010     if (!Validate( value ))
2011         return;
2012
2013     wxDataViewItem
2014         item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
2015
2016     GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
2017 }
2018
2019 void
2020 wxDataViewRenderer::GtkOnCellChanged(const wxVariant& value,
2021                                      const wxDataViewItem& item,
2022                                      unsigned col)
2023 {
2024     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
2025     model->ChangeValue( value, item, col );
2026 }
2027
2028 // ---------------------------------------------------------
2029 // wxDataViewTextRenderer
2030 // ---------------------------------------------------------
2031
2032 extern "C"
2033 {
2034
2035 static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
2036     gchar *arg1, gchar *arg2, gpointer user_data )
2037 {
2038     wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;
2039
2040     cell->GtkOnTextEdited(arg1, wxGTK_CONV_BACK_FONT(
2041                 arg2, cell->GetOwner()->GetOwner()->GetFont()));
2042 }
2043
2044 }
2045
2046 namespace
2047 {
2048
2049 // helper function used by wxDataViewTextRenderer and
2050 // wxDataViewCustomRenderer::RenderText(): it applies the attributes to the
2051 // given text renderer and returns true if anything was done
2052 bool GtkApplyAttr(GtkCellRendererText *renderer, const wxDataViewItemAttr& attr)
2053 {
2054     bool usingDefaultAttrs = true;
2055     if (attr.HasColour())
2056     {
2057         const GdkColor * const gcol = attr.GetColour().GetColor();
2058
2059         GValue gvalue = { 0, };
2060         g_value_init( &gvalue, GDK_TYPE_COLOR );
2061         g_value_set_boxed( &gvalue, gcol );
2062         g_object_set_property( G_OBJECT(renderer), "foreground_gdk", &gvalue );
2063         g_value_unset( &gvalue );
2064
2065         usingDefaultAttrs = false;
2066     }
2067     else
2068     {
2069         GValue gvalue = { 0, };
2070         g_value_init( &gvalue, G_TYPE_BOOLEAN );
2071         g_value_set_boolean( &gvalue, FALSE );
2072         g_object_set_property( G_OBJECT(renderer), "foreground-set", &gvalue );
2073         g_value_unset( &gvalue );
2074     }
2075
2076     if (attr.GetItalic())
2077     {
2078         GValue gvalue = { 0, };
2079         g_value_init( &gvalue, PANGO_TYPE_STYLE );
2080         g_value_set_enum( &gvalue, PANGO_STYLE_ITALIC );
2081         g_object_set_property( G_OBJECT(renderer), "style", &gvalue );
2082         g_value_unset( &gvalue );
2083
2084         usingDefaultAttrs = false;
2085     }
2086     else
2087     {
2088         GValue gvalue = { 0, };
2089         g_value_init( &gvalue, G_TYPE_BOOLEAN );
2090         g_value_set_boolean( &gvalue, FALSE );
2091         g_object_set_property( G_OBJECT(renderer), "style-set", &gvalue );
2092         g_value_unset( &gvalue );
2093     }
2094
2095
2096     if (attr.GetBold())
2097     {
2098         GValue gvalue = { 0, };
2099         g_value_init( &gvalue, PANGO_TYPE_WEIGHT );
2100         g_value_set_enum( &gvalue, PANGO_WEIGHT_BOLD );
2101         g_object_set_property( G_OBJECT(renderer), "weight", &gvalue );
2102         g_value_unset( &gvalue );
2103
2104         usingDefaultAttrs = false;
2105     }
2106     else
2107     {
2108         GValue gvalue = { 0, };
2109         g_value_init( &gvalue, G_TYPE_BOOLEAN );
2110         g_value_set_boolean( &gvalue, FALSE );
2111         g_object_set_property( G_OBJECT(renderer), "weight-set", &gvalue );
2112         g_value_unset( &gvalue );
2113     }
2114
2115 #if 0
2116     if (attr.HasBackgroundColour())
2117     {
2118         wxColour colour = attr.GetBackgroundColour();
2119         const GdkColor * const gcol = colour.GetColor();
2120
2121         GValue gvalue = { 0, };
2122         g_value_init( &gvalue, GDK_TYPE_COLOR );
2123         g_value_set_boxed( &gvalue, gcol );
2124         g_object_set_property( G_OBJECT(renderer), "cell-background_gdk", &gvalue );
2125         g_value_unset( &gvalue );
2126     }
2127     else
2128     {
2129         GValue gvalue = { 0, };
2130         g_value_init( &gvalue, G_TYPE_BOOLEAN );
2131         g_value_set_boolean( &gvalue, FALSE );
2132         g_object_set_property( G_OBJECT(renderer), "cell-background-set", &gvalue );
2133         g_value_unset( &gvalue );
2134     }
2135 #endif
2136
2137     return !usingDefaultAttrs;
2138 }
2139
2140 } // anonymous namespace
2141
2142 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
2143
2144 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2145                                                 int align ) :
2146     wxDataViewRenderer( varianttype, mode, align )
2147 {
2148     GtkWxCellRendererText *text_renderer = gtk_wx_cell_renderer_text_new();
2149     text_renderer->wx_renderer = this;
2150     m_renderer = (GtkCellRenderer*) text_renderer;
2151
2152     if (mode & wxDATAVIEW_CELL_EDITABLE)
2153     {
2154         GValue gvalue = { 0, };
2155         g_value_init( &gvalue, G_TYPE_BOOLEAN );
2156         g_value_set_boolean( &gvalue, true );
2157         g_object_set_property( G_OBJECT(m_renderer), "editable", &gvalue );
2158         g_value_unset( &gvalue );
2159
2160         g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2161
2162         GtkInitHandlers();
2163     }
2164
2165     SetMode(mode);
2166     SetAlignment(align);
2167 }
2168
2169 bool wxDataViewTextRenderer::SetTextValue(const wxString& str)
2170 {
2171     GValue gvalue = { 0, };
2172     g_value_init( &gvalue, G_TYPE_STRING );
2173     g_value_set_string( &gvalue, wxGTK_CONV_FONT( str, GetOwner()->GetOwner()->GetFont() ) );
2174     g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2175     g_value_unset( &gvalue );
2176
2177     return true;
2178 }
2179
2180 bool wxDataViewTextRenderer::GetTextValue(wxString& str) const
2181 {
2182     GValue gvalue = { 0, };
2183     g_value_init( &gvalue, G_TYPE_STRING );
2184     g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2185     str = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), const_cast<wxDataViewTextRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );
2186     g_value_unset( &gvalue );
2187
2188     return true;
2189 }
2190
2191 void wxDataViewTextRenderer::SetAlignment( int align )
2192 {
2193     wxDataViewRenderer::SetAlignment(align);
2194
2195     if (gtk_check_version(2,10,0))
2196         return;
2197
2198     // horizontal alignment:
2199     PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2200     if (align & wxALIGN_RIGHT)
2201         pangoAlign = PANGO_ALIGN_RIGHT;
2202     else if (align & wxALIGN_CENTER_HORIZONTAL)
2203         pangoAlign = PANGO_ALIGN_CENTER;
2204
2205     GValue gvalue = { 0, };
2206     g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2207     g_value_set_enum( &gvalue, pangoAlign );
2208     g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2209     g_value_unset( &gvalue );
2210 }
2211
2212 bool wxDataViewTextRenderer::GtkSetAttr(const wxDataViewItemAttr& attr)
2213 {
2214     return GtkApplyAttr(GtkGetTextRenderer(), attr);
2215 }
2216
2217 GtkCellRendererText *wxDataViewTextRenderer::GtkGetTextRenderer() const
2218 {
2219     return GTK_CELL_RENDERER_TEXT(m_renderer);
2220 }
2221
2222 // ---------------------------------------------------------
2223 // wxDataViewBitmapRenderer
2224 // ---------------------------------------------------------
2225
2226 namespace
2227 {
2228
2229 // set "pixbuf" property on the given renderer
2230 void SetPixbufProp(GtkCellRenderer *renderer, GdkPixbuf *pixbuf)
2231 {
2232     GValue gvalue = { 0, };
2233     g_value_init( &gvalue, G_TYPE_OBJECT );
2234     g_value_set_object( &gvalue, pixbuf );
2235     g_object_set_property( G_OBJECT(renderer), "pixbuf", &gvalue );
2236     g_value_unset( &gvalue );
2237 }
2238
2239 } // anonymous namespace
2240
2241 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
2242
2243 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2244                                                     int align ) :
2245     wxDataViewRenderer( varianttype, mode, align )
2246 {
2247     m_renderer = gtk_cell_renderer_pixbuf_new();
2248
2249     SetMode(mode);
2250     SetAlignment(align);
2251 }
2252
2253 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
2254 {
2255     if (value.GetType() == wxT("wxBitmap"))
2256     {
2257         wxBitmap bitmap;
2258         bitmap << value;
2259
2260         // GetPixbuf() may create a Pixbuf representation in the wxBitmap
2261         // object (and it will stay there and remain owned by wxBitmap)
2262         SetPixbufProp(m_renderer, bitmap.GetPixbuf());
2263     }
2264     else if (value.GetType() == wxT("wxIcon"))
2265     {
2266         wxIcon icon;
2267         icon << value;
2268
2269         SetPixbufProp(m_renderer, icon.GetPixbuf());
2270     }
2271     else
2272     {
2273         return false;
2274     }
2275
2276     return true;
2277 }
2278
2279 bool wxDataViewBitmapRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2280 {
2281     return false;
2282 }
2283
2284 // ---------------------------------------------------------
2285 // wxDataViewToggleRenderer
2286 // ---------------------------------------------------------
2287
2288 extern "C" {
2289 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2290     gchar *path, gpointer user_data );
2291 }
2292
2293 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2294     gchar *path, gpointer user_data )
2295 {
2296     wxDataViewToggleRenderer *cell = (wxDataViewToggleRenderer*) user_data;
2297
2298     // get old value
2299     GValue gvalue = { 0, };
2300     g_value_init( &gvalue, G_TYPE_BOOLEAN );
2301     g_object_get_property( G_OBJECT(renderer), "active", &gvalue );
2302     bool tmp = g_value_get_boolean( &gvalue );
2303     g_value_unset( &gvalue );
2304     // invert it
2305     tmp = !tmp;
2306
2307     wxVariant value = tmp;
2308     if (!cell->Validate( value ))
2309         return;
2310
2311     wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
2312     wxDataViewModel *model = ctrl->GetModel();
2313
2314     wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));
2315
2316     unsigned int model_col = cell->GetOwner()->GetModelColumn();
2317
2318     model->ChangeValue( value, item, model_col );
2319 }
2320
2321 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
2322
2323 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
2324                                                     wxDataViewCellMode mode, int align ) :
2325     wxDataViewRenderer( varianttype, mode, align )
2326 {
2327     m_renderer = (GtkCellRenderer*) gtk_cell_renderer_toggle_new();
2328
2329     if (mode & wxDATAVIEW_CELL_ACTIVATABLE)
2330     {
2331         g_signal_connect_after( m_renderer, "toggled",
2332                                 G_CALLBACK(wxGtkToggleRendererToggledCallback), this );
2333     }
2334     else
2335     {
2336         GValue gvalue = { 0, };
2337         g_value_init( &gvalue, G_TYPE_BOOLEAN );
2338         g_value_set_boolean( &gvalue, false );
2339         g_object_set_property( G_OBJECT(m_renderer), "activatable", &gvalue );
2340         g_value_unset( &gvalue );
2341     }
2342
2343     SetMode(mode);
2344     SetAlignment(align);
2345 }
2346
2347 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
2348 {
2349     bool tmp = value;
2350
2351     GValue gvalue = { 0, };
2352     g_value_init( &gvalue, G_TYPE_BOOLEAN );
2353     g_value_set_boolean( &gvalue, tmp );
2354     g_object_set_property( G_OBJECT(m_renderer), "active", &gvalue );
2355     g_value_unset( &gvalue );
2356
2357     return true;
2358 }
2359
2360 bool wxDataViewToggleRenderer::GetValue( wxVariant &value ) const
2361 {
2362     GValue gvalue = { 0, };
2363     g_value_init( &gvalue, G_TYPE_BOOLEAN );
2364     g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );
2365     bool tmp = g_value_get_boolean( &gvalue );
2366     g_value_unset( &gvalue );
2367
2368     value = tmp;
2369
2370     return true;
2371 }
2372
2373 // ---------------------------------------------------------
2374 // wxDataViewCustomRenderer
2375 // ---------------------------------------------------------
2376
2377 class wxDataViewCtrlDCImpl: public wxWindowDCImpl
2378 {
2379 public:
2380    wxDataViewCtrlDCImpl( wxDC *owner, wxDataViewCtrl *window ) :
2381        wxWindowDCImpl( owner )
2382    {
2383         GtkWidget *widget = window->m_treeview;
2384         // Set later
2385         m_gdkwindow = NULL;
2386
2387         m_window = window;
2388
2389         m_context = window->GTKGetPangoDefaultContext();
2390         m_layout = pango_layout_new( m_context );
2391         m_fontdesc = pango_font_description_copy(gtk_widget_get_style(widget)->font_desc);
2392
2393         m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
2394
2395         // Set m_gdkwindow later
2396         // SetUpDC();
2397     }
2398 };
2399
2400 class wxDataViewCtrlDC: public wxWindowDC
2401 {
2402 public:
2403     wxDataViewCtrlDC( wxDataViewCtrl *window ) :
2404         wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )
2405         { }
2406 };
2407
2408
2409 // ---------------------------------------------------------
2410 // wxDataViewCustomRenderer
2411 // ---------------------------------------------------------
2412
2413 IMPLEMENT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
2414
2415 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
2416                                                     wxDataViewCellMode mode,
2417                                                     int align,
2418                                                     bool no_init )
2419     : wxDataViewCustomRendererBase( varianttype, mode, align )
2420 {
2421     m_dc = NULL;
2422     m_text_renderer = NULL;
2423
2424     if (no_init)
2425         m_renderer = NULL;
2426     else
2427         Init(mode, align);
2428 }
2429
2430 void wxDataViewCustomRenderer::GtkInitTextRenderer()
2431 {
2432     m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
2433     g_object_ref_sink(m_text_renderer);
2434
2435     GtkApplyAlignment(GTK_CELL_RENDERER(m_text_renderer));
2436 }
2437
2438 GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
2439 {
2440     if ( !m_text_renderer )
2441     {
2442         // we create it on demand so need to do it even from a const function
2443         const_cast<wxDataViewCustomRenderer *>(this)->GtkInitTextRenderer();
2444     }
2445
2446     return m_text_renderer;
2447 }
2448
2449 void wxDataViewCustomRenderer::RenderText( const wxString &text,
2450                                            int xoffset,
2451                                            wxRect cell,
2452                                            wxDC *WXUNUSED(dc),
2453                                            int WXUNUSED(state) )
2454 {
2455
2456     GtkCellRendererText * const textRenderer = GtkGetTextRenderer();
2457
2458     GValue gvalue = { 0, };
2459     g_value_init( &gvalue, G_TYPE_STRING );
2460     g_value_set_string( &gvalue, wxGTK_CONV_FONT( text, GetOwner()->GetOwner()->GetFont() ) );
2461     g_object_set_property( G_OBJECT(textRenderer), "text", &gvalue );
2462     g_value_unset( &gvalue );
2463
2464     GtkApplyAttr(textRenderer, GetAttr());
2465
2466     GdkRectangle cell_area;
2467     wxRectToGDKRect(cell, cell_area);
2468     cell_area.x += xoffset;
2469     cell_area.width -= xoffset;
2470
2471     gtk_cell_renderer_render( GTK_CELL_RENDERER(textRenderer),
2472         m_renderParams.window,
2473         m_renderParams.widget,
2474         m_renderParams.background_area,
2475         &cell_area,
2476         m_renderParams.expose_area,
2477         (GtkCellRendererState) m_renderParams.flags );
2478 }
2479
2480 bool wxDataViewCustomRenderer::Init(wxDataViewCellMode mode, int align)
2481 {
2482     GtkWxCellRenderer *renderer = (GtkWxCellRenderer *) gtk_wx_cell_renderer_new();
2483     renderer->cell = this;
2484
2485     m_renderer = (GtkCellRenderer*) renderer;
2486
2487     SetMode(mode);
2488     SetAlignment(align);
2489
2490     GtkInitHandlers();
2491
2492     return true;
2493 }
2494
2495 wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
2496 {
2497     if (m_dc)
2498         delete m_dc;
2499
2500     if (m_text_renderer)
2501         g_object_unref(m_text_renderer);
2502 }
2503
2504 wxDC *wxDataViewCustomRenderer::GetDC()
2505 {
2506     if (m_dc == NULL)
2507     {
2508         if (GetOwner() == NULL)
2509             return NULL;
2510         if (GetOwner()->GetOwner() == NULL)
2511             return NULL;
2512         m_dc = new wxDataViewCtrlDC( GetOwner()->GetOwner() );
2513     }
2514
2515     return m_dc;
2516 }
2517
2518 // ---------------------------------------------------------
2519 // wxDataViewProgressRenderer
2520 // ---------------------------------------------------------
2521
2522 IMPLEMENT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
2523
2524 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
2525     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
2526     wxDataViewCustomRenderer( varianttype, mode, align, true )
2527 {
2528     m_label = label;
2529     m_value = 0;
2530
2531 #ifdef __WXGTK26__
2532     if (!gtk_check_version(2,6,0))
2533     {
2534         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
2535
2536         SetMode(mode);
2537         SetAlignment(align);
2538
2539 #if !wxUSE_UNICODE
2540         // We can't initialize the renderer just yet because we don't have the
2541         // pointer to the column that uses this renderer yet and so attempt to
2542         // dereference GetOwner() to get the font that is used as a source of
2543         // encoding in multibyte-to-Unicode conversion in GTKSetLabel() in
2544         // non-Unicode builds would crash. So simply remember to do it later.
2545         if ( !m_label.empty() )
2546             m_needsToSetLabel = true;
2547         else
2548 #endif // !wxUSE_UNICODE
2549             GTKSetLabel();
2550     }
2551     else
2552 #endif
2553     {
2554         // Use custom cell code
2555         wxDataViewCustomRenderer::Init(mode, align);
2556     }
2557 }
2558
2559 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
2560 {
2561 }
2562
2563 void wxDataViewProgressRenderer::GTKSetLabel()
2564 {
2565     GValue gvalue = { 0, };
2566     g_value_init( &gvalue, G_TYPE_STRING );
2567
2568     // Take care to not use GetOwner() here if the label is empty, we can be
2569     // called from ctor when GetOwner() is still NULL in this case.
2570     g_value_set_string( &gvalue,
2571                         m_label.empty() ? ""
2572                                         : wxGTK_CONV_FONT(m_label,
2573                                             GetOwner()->GetOwner()->GetFont())
2574                       );
2575     g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2576     g_value_unset( &gvalue );
2577
2578 #if !wxUSE_UNICODE
2579     m_needsToSetLabel = false;
2580 #endif // !wxUSE_UNICODE
2581 }
2582
2583 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
2584 {
2585 #ifdef __WXGTK26__
2586     if (!gtk_check_version(2,6,0))
2587     {
2588 #if !wxUSE_UNICODE
2589         if ( m_needsToSetLabel )
2590             GTKSetLabel();
2591 #endif // !wxUSE_UNICODE
2592
2593         gint tmp = (long) value;
2594         GValue gvalue = { 0, };
2595         g_value_init( &gvalue, G_TYPE_INT );
2596         g_value_set_int( &gvalue, tmp );
2597         g_object_set_property( G_OBJECT(m_renderer), "value", &gvalue );
2598         g_value_unset( &gvalue );
2599     }
2600     else
2601 #endif
2602     {
2603         m_value = (long) value;
2604
2605         if (m_value < 0) m_value = 0;
2606         if (m_value > 100) m_value = 100;
2607     }
2608
2609     return true;
2610 }
2611
2612 bool wxDataViewProgressRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2613 {
2614     return false;
2615 }
2616
2617 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
2618 {
2619     double pct = (double)m_value / 100.0;
2620     wxRect bar = cell;
2621     bar.width = (int)(cell.width * pct);
2622     dc->SetPen( *wxTRANSPARENT_PEN );
2623     dc->SetBrush( *wxBLUE_BRUSH );
2624     dc->DrawRectangle( bar );
2625
2626     dc->SetBrush( *wxTRANSPARENT_BRUSH );
2627     dc->SetPen( *wxBLACK_PEN );
2628     dc->DrawRectangle( cell );
2629
2630     return true;
2631 }
2632
2633 wxSize wxDataViewProgressRenderer::GetSize() const
2634 {
2635     return wxSize(40,12);
2636 }
2637
2638 // -------------------------------------
2639 // wxDataViewChoiceRenderer
2640 // -------------------------------------
2641
2642 wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices,
2643                             wxDataViewCellMode mode, int alignment  ) :
2644     wxDataViewCustomRenderer( "string", mode, alignment, true )
2645 {
2646    m_choices = choices;
2647
2648 #ifdef __WXGTK26__
2649     if (!gtk_check_version(2,6,0))
2650     {
2651         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
2652
2653         GtkListStore *store = gtk_list_store_new( 1, G_TYPE_STRING );
2654         for (size_t n = 0; n < m_choices.GetCount(); n++)
2655         {
2656             gtk_list_store_insert_with_values(
2657                 store, NULL, n, 0,
2658                 static_cast<const char *>(m_choices[n].utf8_str()), -1 );
2659         }
2660
2661         g_object_set (m_renderer,
2662                 "model", store,
2663                 "text-column", 0,
2664                 "has-entry", FALSE,
2665                 NULL);
2666
2667         bool editable = (mode & wxDATAVIEW_CELL_EDITABLE);
2668         g_object_set (m_renderer, "editable", editable, NULL);
2669
2670         SetAlignment(alignment);
2671
2672         g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2673
2674         GtkInitHandlers();
2675     }
2676     else
2677 #endif
2678     {
2679         // Use custom cell code
2680         wxDataViewCustomRenderer::Init(mode, alignment);
2681     }
2682 }
2683
2684 bool wxDataViewChoiceRenderer::Render( wxRect rect, wxDC *dc, int state )
2685 {
2686     RenderText( m_data, 0, rect, dc, state );
2687     return true;
2688 }
2689
2690 wxSize wxDataViewChoiceRenderer::GetSize() const
2691 {
2692     return wxSize(70,20);
2693 }
2694
2695 bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
2696 {
2697
2698 #ifdef __WXGTK26__
2699     if (!gtk_check_version(2,6,0))
2700     {
2701         GValue gvalue = { 0, };
2702         g_value_init( &gvalue, G_TYPE_STRING );
2703         g_value_set_string(&gvalue,
2704                            wxGTK_CONV_FONT(value.GetString(),
2705                                            GetOwner()->GetOwner()->GetFont()));
2706         g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2707         g_value_unset( &gvalue );
2708     }
2709     else
2710 #endif
2711         m_data = value.GetString();
2712
2713     return true;
2714 }
2715
2716 bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
2717 {
2718 #ifdef __WXGTK26__
2719     if (!gtk_check_version(2,6,0))
2720     {
2721         GValue gvalue = { 0, };
2722         g_value_init( &gvalue, G_TYPE_STRING );
2723         g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2724         wxString temp = wxGTK_CONV_BACK_FONT(g_value_get_string(&gvalue),
2725                                              GetOwner()->GetOwner()->GetFont());
2726         g_value_unset( &gvalue );
2727         value = temp;
2728
2729         //wxPrintf( "temp %s\n", temp );
2730         // TODO: remove this code
2731     }
2732     else
2733 #endif
2734         value = m_data;
2735
2736     return true;
2737 }
2738
2739 void wxDataViewChoiceRenderer::SetAlignment( int align )
2740 {
2741     wxDataViewCustomRenderer::SetAlignment(align);
2742
2743     if (gtk_check_version(2,10,0))
2744         return;
2745
2746     // horizontal alignment:
2747     PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2748     if (align & wxALIGN_RIGHT)
2749         pangoAlign = PANGO_ALIGN_RIGHT;
2750     else if (align & wxALIGN_CENTER_HORIZONTAL)
2751         pangoAlign = PANGO_ALIGN_CENTER;
2752
2753     GValue gvalue = { 0, };
2754     g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2755     g_value_set_enum( &gvalue, pangoAlign );
2756     g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2757     g_value_unset( &gvalue );
2758 }
2759
2760 // ----------------------------------------------------------------------------
2761 // wxDataViewChoiceByIndexRenderer
2762 // ----------------------------------------------------------------------------
2763
2764 wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
2765                               wxDataViewCellMode mode, int alignment ) :
2766       wxDataViewChoiceRenderer( choices, mode, alignment )
2767 {
2768 }
2769
2770 void wxDataViewChoiceByIndexRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
2771 {
2772     wxVariant value( (long) GetChoices().Index( str ) );
2773
2774     if (!Validate( value ))
2775         return;
2776
2777     wxDataViewItem
2778         item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
2779
2780     GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
2781 }
2782
2783 bool wxDataViewChoiceByIndexRenderer::SetValue( const wxVariant &value )
2784 {
2785     wxVariant string_value = GetChoice( value.GetLong() );
2786     return wxDataViewChoiceRenderer::SetValue( string_value );
2787 }
2788
2789 bool wxDataViewChoiceByIndexRenderer::GetValue( wxVariant &value ) const
2790 {
2791     wxVariant string_value;
2792     if (!wxDataViewChoiceRenderer::GetValue( string_value ))
2793          return false;
2794
2795     value = (long) GetChoices().Index( string_value.GetString() );
2796     return true;
2797 }
2798
2799 // ---------------------------------------------------------
2800 // wxDataViewIconTextRenderer
2801 // ---------------------------------------------------------
2802
2803 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
2804
2805 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer
2806                             (
2807                              const wxString &varianttype,
2808                              wxDataViewCellMode mode,
2809                              int align
2810                             )
2811     : wxDataViewTextRenderer(varianttype, mode, align)
2812 {
2813     m_rendererIcon = gtk_cell_renderer_pixbuf_new();
2814 }
2815
2816 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
2817 {
2818 }
2819
2820 void wxDataViewIconTextRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
2821 {
2822     // add the icon renderer first
2823     gtk_tree_view_column_pack_start(column, m_rendererIcon, FALSE /* !expand */);
2824
2825     // add the text renderer too
2826     wxDataViewRenderer::GtkPackIntoColumn(column);
2827 }
2828
2829 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
2830 {
2831     m_value << value;
2832
2833     SetTextValue(m_value.GetText());
2834     SetPixbufProp(m_rendererIcon, m_value.GetIcon().GetPixbuf());
2835
2836     return true;
2837 }
2838
2839 bool wxDataViewIconTextRenderer::GetValue(wxVariant& value) const
2840 {
2841     wxString str;
2842     if ( !GetTextValue(str) )
2843         return false;
2844
2845     // user doesn't have any way to edit the icon so leave it unchanged
2846     value << wxDataViewIconText(str, m_value.GetIcon());
2847
2848     return true;
2849 }
2850
2851 void
2852 wxDataViewIconTextRenderer::GtkOnCellChanged(const wxVariant& value,
2853                                              const wxDataViewItem& item,
2854                                              unsigned col)
2855 {
2856     // we receive just the text part of our value as it's the only one which
2857     // can be edited, but we need the full wxDataViewIconText value for the
2858     // model
2859     wxVariant valueIconText;
2860     valueIconText << wxDataViewIconText(value.GetString(), m_value.GetIcon());
2861     wxDataViewTextRenderer::GtkOnCellChanged(valueIconText, item, col);
2862 }
2863
2864 // ---------------------------------------------------------
2865 // wxDataViewColumn
2866 // ---------------------------------------------------------
2867
2868
2869 static gboolean
2870 gtk_dataview_header_button_press_callback( GtkWidget *WXUNUSED(widget),
2871                                            GdkEventButton *gdk_event,
2872                                            wxDataViewColumn *column )
2873 {
2874     if (gdk_event->type != GDK_BUTTON_PRESS)
2875         return FALSE;
2876
2877     if (gdk_event->button == 1)
2878     {
2879         gs_lastLeftClickHeader = column;
2880
2881         wxDataViewCtrl *dv = column->GetOwner();
2882         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
2883         event.SetDataViewColumn( column );
2884         event.SetModel( dv->GetModel() );
2885         if (dv->HandleWindowEvent( event ))
2886             return FALSE;
2887     }
2888
2889     if (gdk_event->button == 3)
2890     {
2891         wxDataViewCtrl *dv = column->GetOwner();
2892         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, dv->GetId() );
2893         event.SetDataViewColumn( column );
2894         event.SetModel( dv->GetModel() );
2895         if (dv->HandleWindowEvent( event ))
2896             return FALSE;
2897     }
2898
2899     return FALSE;
2900 }
2901
2902 extern "C"
2903 {
2904
2905 static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
2906                             GtkCellRenderer *renderer,
2907                             GtkTreeModel *model,
2908                             GtkTreeIter *iter,
2909                             gpointer data )
2910 {
2911     g_return_if_fail (GTK_IS_WX_TREE_MODEL (model));
2912     GtkWxTreeModel *tree_model = (GtkWxTreeModel *) model;
2913
2914     wxDataViewRenderer *cell = (wxDataViewRenderer*) data;
2915
2916     wxDataViewItem item( (void*) iter->user_data );
2917
2918     wxDataViewModel *wx_model = tree_model->internal->GetDataViewModel();
2919
2920     if (!wx_model->IsVirtualListModel())
2921     {
2922         gboolean visible;
2923         if (wx_model->IsContainer( item ))
2924         {
2925             visible = wx_model->HasContainerColumns( item ) ||
2926                         (cell->GetOwner()->GetModelColumn() == 0);
2927         }
2928         else
2929         {
2930             visible = true;
2931         }
2932
2933         GValue gvalue = { 0, };
2934         g_value_init( &gvalue, G_TYPE_BOOLEAN );
2935         g_value_set_boolean( &gvalue, visible );
2936         g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
2937         g_value_unset( &gvalue );
2938
2939         if ( !visible )
2940             return;
2941     }
2942
2943     wxVariant value;
2944     wx_model->GetValue( value, item, cell->GetOwner()->GetModelColumn() );
2945
2946     if (value.GetType() != cell->GetVariantType())
2947     {
2948         wxLogError( wxT("Wrong type, required: %s but: %s"),
2949                     value.GetType().c_str(),
2950                     cell->GetVariantType().c_str() );
2951     }
2952
2953     cell->SetValue( value );
2954
2955     // deal with disabled items
2956     bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn() );
2957
2958     // a) this sets the appearance to disabled grey
2959     GValue gvalue = { 0, };
2960     g_value_init( &gvalue, G_TYPE_BOOLEAN );
2961     g_value_set_boolean( &gvalue, enabled );
2962     g_object_set_property( G_OBJECT(renderer), "sensitive", &gvalue );
2963     g_value_unset( &gvalue );
2964
2965     // b) this actually disables the control/renderer
2966     if (enabled)
2967         cell->SetMode( cell->GtkGetMode() );
2968     else
2969         cell->SetMode( wxDATAVIEW_CELL_INERT );
2970
2971
2972     // deal with attributes: if the renderer doesn't support them at all, we
2973     // don't even need to query the model for them
2974     if ( !cell->GtkSupportsAttrs() )
2975         return;
2976
2977     // it can support attributes so check if this item has any
2978     wxDataViewItemAttr attr;
2979     if ( wx_model->GetAttr( item, cell->GetOwner()->GetModelColumn(), attr )
2980             || !cell->GtkIsUsingDefaultAttrs() )
2981     {
2982         bool usingDefaultAttrs = !cell->GtkSetAttr(attr);
2983         cell->GtkSetUsingDefaultAttrs(usingDefaultAttrs);
2984     }
2985     // else: no custom attributes specified and we're already using the default
2986     //       ones -- nothing to do
2987
2988 }
2989
2990 } // extern "C"
2991
2992 #include <wx/listimpl.cpp>
2993 WX_DEFINE_LIST(wxDataViewColumnList)
2994
2995 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
2996                                     unsigned int model_column, int width,
2997                                     wxAlignment align, int flags )
2998     : wxDataViewColumnBase( cell, model_column )
2999 {
3000     Init( align, flags, width );
3001
3002     SetTitle( title );
3003 }
3004
3005 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
3006                                     unsigned int model_column, int width,
3007                                     wxAlignment align, int flags )
3008     : wxDataViewColumnBase( bitmap, cell, model_column )
3009 {
3010     Init( align, flags, width );
3011
3012     SetBitmap( bitmap );
3013 }
3014
3015 void wxDataViewColumn::Init(wxAlignment align, int flags, int width)
3016 {
3017     m_isConnected = false;
3018
3019     GtkTreeViewColumn *column = gtk_tree_view_column_new();
3020     m_column = (GtkWidget*) column;
3021
3022     SetFlags( flags );
3023     SetAlignment( align );
3024
3025     SetWidth( width );
3026
3027     // Create container for icon and label
3028     GtkWidget *box = gtk_hbox_new( FALSE, 1 );
3029     gtk_widget_show( box );
3030     // gtk_container_set_border_width((GtkContainer*)box, 2);
3031     m_image = gtk_image_new();
3032     gtk_box_pack_start(GTK_BOX(box), m_image, FALSE, FALSE, 1);
3033     m_label = gtk_label_new("");
3034     gtk_box_pack_end( GTK_BOX(box), GTK_WIDGET(m_label), FALSE, FALSE, 1 );
3035     gtk_tree_view_column_set_widget( column, box );
3036
3037     wxDataViewRenderer * const colRenderer = GetRenderer();
3038     GtkCellRenderer * const cellRenderer = colRenderer->GetGtkHandle();
3039
3040     colRenderer->GtkPackIntoColumn(column);
3041
3042     gtk_tree_view_column_set_cell_data_func( column, cellRenderer,
3043         wxGtkTreeCellDataFunc, (gpointer) colRenderer, NULL );
3044 }
3045
3046 void wxDataViewColumn::OnInternalIdle()
3047 {
3048     if (m_isConnected)
3049         return;
3050
3051     if (gtk_widget_get_realized(GetOwner()->m_treeview))
3052     {
3053         GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3054         if (column->button)
3055         {
3056             g_signal_connect(column->button, "button_press_event",
3057                       G_CALLBACK (gtk_dataview_header_button_press_callback), this);
3058
3059             // otherwise the event will be blocked by GTK+
3060             gtk_tree_view_column_set_clickable( column, TRUE );
3061
3062             m_isConnected = true;
3063         }
3064     }
3065 }
3066
3067 void wxDataViewColumn::SetOwner( wxDataViewCtrl *owner )
3068 {
3069     wxDataViewColumnBase::SetOwner( owner );
3070
3071     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3072
3073     gtk_tree_view_column_set_title( column, wxGTK_CONV_FONT(GetTitle(), GetOwner()->GetFont() ) );
3074 }
3075
3076 void wxDataViewColumn::SetTitle( const wxString &title )
3077 {
3078     wxDataViewCtrl *ctrl = GetOwner();
3079     gtk_label_set_text( GTK_LABEL(m_label), ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())
3080                                                  : wxGTK_CONV_SYS(title) );
3081     if (title.empty())
3082         gtk_widget_hide( m_label );
3083     else
3084         gtk_widget_show( m_label );
3085 }
3086
3087 wxString wxDataViewColumn::GetTitle() const
3088 {
3089     return wxGTK_CONV_BACK_FONT(
3090             gtk_label_get_text( GTK_LABEL(m_label) ),
3091             GetOwner()->GetFont()
3092            );
3093 }
3094
3095 void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
3096 {
3097     wxDataViewColumnBase::SetBitmap( bitmap );
3098
3099     if (bitmap.IsOk())
3100     {
3101         GtkImage *gtk_image = GTK_IMAGE(m_image);
3102
3103         GdkBitmap *mask = NULL;
3104         if (bitmap.GetMask())
3105             mask = bitmap.GetMask()->GetBitmap();
3106
3107         if (bitmap.HasPixbuf())
3108         {
3109             gtk_image_set_from_pixbuf(GTK_IMAGE(gtk_image),
3110                                       bitmap.GetPixbuf());
3111         }
3112         else
3113         {
3114             gtk_image_set_from_pixmap(GTK_IMAGE(gtk_image),
3115                                       bitmap.GetPixmap(), mask);
3116         }
3117         gtk_widget_show( m_image );
3118     }
3119     else
3120     {
3121         gtk_widget_hide( m_image );
3122     }
3123 }
3124
3125 void wxDataViewColumn::SetHidden( bool hidden )
3126 {
3127     gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
3128 }
3129
3130 void wxDataViewColumn::SetResizeable( bool resizable )
3131 {
3132     gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizable );
3133 }
3134
3135 void wxDataViewColumn::SetAlignment( wxAlignment align )
3136 {
3137     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3138
3139     gfloat xalign = 0.0;
3140     if (align == wxALIGN_RIGHT)
3141         xalign = 1.0;
3142     if (align == wxALIGN_CENTER_HORIZONTAL ||
3143         align == wxALIGN_CENTER)
3144         xalign = 0.5;
3145
3146     gtk_tree_view_column_set_alignment( column, xalign );
3147
3148     if (m_renderer && m_renderer->GetAlignment() == -1)
3149         m_renderer->GtkUpdateAlignment();
3150 }
3151
3152 wxAlignment wxDataViewColumn::GetAlignment() const
3153 {
3154     gfloat xalign = gtk_tree_view_column_get_alignment( GTK_TREE_VIEW_COLUMN(m_column) );
3155
3156     if (xalign == 1.0)
3157         return wxALIGN_RIGHT;
3158     if (xalign == 0.5)
3159         return wxALIGN_CENTER_HORIZONTAL;
3160
3161     return wxALIGN_LEFT;
3162 }
3163
3164 void wxDataViewColumn::SetSortable( bool sortable )
3165 {
3166     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3167
3168     if ( sortable )
3169     {
3170         gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
3171     }
3172     else
3173     {
3174         gtk_tree_view_column_set_sort_column_id( column, -1 );
3175         gtk_tree_view_column_set_sort_indicator( column, FALSE );
3176         gtk_tree_view_column_set_clickable( column, FALSE );
3177     }
3178 }
3179
3180 bool wxDataViewColumn::IsSortable() const
3181 {
3182     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3183     return gtk_tree_view_column_get_clickable( column );
3184 }
3185
3186 bool wxDataViewColumn::IsSortKey() const
3187 {
3188     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3189     return gtk_tree_view_column_get_sort_indicator( column );
3190 }
3191
3192 bool wxDataViewColumn::IsResizeable() const
3193 {
3194     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3195     return gtk_tree_view_column_get_resizable( column );
3196 }
3197
3198 bool wxDataViewColumn::IsHidden() const
3199 {
3200     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3201     return !gtk_tree_view_column_get_visible( column );
3202 }
3203
3204 void wxDataViewColumn::SetSortOrder( bool ascending )
3205 {
3206     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3207
3208     if (ascending)
3209         gtk_tree_view_column_set_sort_order( column, GTK_SORT_ASCENDING );
3210     else
3211         gtk_tree_view_column_set_sort_order( column, GTK_SORT_DESCENDING );
3212
3213     gtk_tree_view_column_set_sort_indicator( column, TRUE );
3214 }
3215
3216 bool wxDataViewColumn::IsSortOrderAscending() const
3217 {
3218     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3219
3220     return (gtk_tree_view_column_get_sort_order( column ) != GTK_SORT_DESCENDING);
3221 }
3222
3223 void wxDataViewColumn::SetMinWidth( int width )
3224 {
3225     gtk_tree_view_column_set_min_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3226 }
3227
3228 int wxDataViewColumn::GetMinWidth() const
3229 {
3230     return gtk_tree_view_column_get_min_width( GTK_TREE_VIEW_COLUMN(m_column) );
3231 }
3232
3233 int wxDataViewColumn::GetWidth() const
3234 {
3235     return gtk_tree_view_column_get_width( GTK_TREE_VIEW_COLUMN(m_column) );
3236 }
3237
3238 void wxDataViewColumn::SetWidth( int width )
3239 {
3240     if ( width == wxCOL_WIDTH_AUTOSIZE )
3241     {
3242         // NB: this disables user resizing
3243         gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_AUTOSIZE );
3244     }
3245     else
3246     {
3247         if ( width == wxCOL_WIDTH_DEFAULT )
3248         {
3249             // TODO find a better calculation
3250             width = wxDVC_DEFAULT_WIDTH;
3251         }
3252
3253         gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_FIXED );
3254         gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3255     }
3256 }
3257
3258 void wxDataViewColumn::SetReorderable( bool reorderable )
3259 {
3260     gtk_tree_view_column_set_reorderable( GTK_TREE_VIEW_COLUMN(m_column), reorderable );
3261 }
3262
3263 bool wxDataViewColumn::IsReorderable() const
3264 {
3265     return gtk_tree_view_column_get_reorderable( GTK_TREE_VIEW_COLUMN(m_column) );
3266 }
3267
3268 //-----------------------------------------------------------------------------
3269 // wxGtkTreeModelNode
3270 //-----------------------------------------------------------------------------
3271
3272 #if 0
3273 class wxGtkTreeModelChildWithPos
3274 {
3275 public:
3276     unsigned int pos;
3277     void        *id;
3278 };
3279
3280 static
3281 int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const void* user_data )
3282 {
3283     const wxGtkTreeModelChildWithPos* child1 = (const wxGtkTreeModelChildWithPos*) data1;
3284     const wxGtkTreeModelChildWithPos* child2 = (const wxGtkTreeModelChildWithPos*) data2;
3285     const wxDataViewCtrlInternal *internal = (const wxDataViewCtrlInternal *) user_data;
3286     int ret = internal->GetDataViewModel()->Compare( child1->id, child2->id,
3287         internal->GetSortColumn(), (internal->GetSortOrder() == GTK_SORT_DESCENDING) );
3288
3289     return ret;
3290 }
3291 #else
3292 static
3293 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
3294 {
3295     return gs_internal->GetDataViewModel()->Compare( wxDataViewItem(**data1), wxDataViewItem(**data2),
3296         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
3297 }
3298
3299 WX_DEFINE_ARRAY_PTR( void**, wxGtkTreeModelChildrenPtr );
3300 #endif
3301
3302 void wxGtkTreeModelNode::Resort()
3303 {
3304     size_t child_count = GetChildCount();
3305     if (child_count == 0)
3306         return;
3307
3308     size_t node_count = GetNodesCount();
3309
3310     if (child_count == 1)
3311     {
3312         if (node_count == 1)
3313         {
3314             wxGtkTreeModelNode *node = m_nodes.Item( 0 );
3315             node->Resort();
3316         }
3317         return;
3318     }
3319
3320     gint *new_order = new gint[child_count];
3321
3322 #if 1
3323     // m_children has the original *void
3324     // ptrs points to these
3325     wxGtkTreeModelChildrenPtr ptrs;
3326     size_t i;
3327     for (i = 0; i < child_count; i++)
3328        ptrs.Add( &(m_children[i]) );
3329     // Sort the ptrs
3330     gs_internal = m_internal;
3331     ptrs.Sort( &wxGtkTreeModelChildPtrCmp );
3332
3333     wxGtkTreeModelChildren temp;
3334     void** base_ptr = &(m_children[0]);
3335     // Transfer positions to new_order array and
3336     // IDs to temp
3337     for (i = 0; i < child_count; i++)
3338     {
3339         new_order[i] = ptrs[i] - base_ptr;
3340         temp.Add( *ptrs[i] );
3341     }
3342
3343     // Transfer IDs back to m_children
3344     m_children.Clear();
3345     WX_APPEND_ARRAY( temp, m_children );
3346 #endif
3347 #if 0
3348     // Too slow
3349
3350     // Build up array with IDs and original positions
3351     wxGtkTreeModelChildWithPos* temp = new wxGtkTreeModelChildWithPos[child_count];
3352     size_t i;
3353     for (i = 0; i < child_count; i++)
3354     {
3355        temp[i].pos = i;
3356        temp[i].id = m_children[i];
3357     }
3358     // Sort array keeping original positions
3359     wxQsort( temp, child_count, sizeof(wxGtkTreeModelChildWithPos),
3360              &wxGtkTreeModelChildWithPosCmp, m_internal );
3361     // Transfer positions to new_order array and
3362     // IDs to m_children
3363     m_children.Clear();
3364     for (i = 0; i < child_count; i++)
3365     {
3366        new_order[i] = temp[i].pos;
3367        m_children.Add( temp[i].id );
3368     }
3369     // Delete array
3370     delete [] temp;
3371 #endif
3372
3373 #if 0
3374     // Too slow
3375
3376     wxGtkTreeModelChildren temp;
3377     WX_APPEND_ARRAY( temp, m_children );
3378
3379     gs_internal = m_internal;
3380     m_children.Sort( &wxGtkTreeModelChildCmp );
3381
3382     unsigned int pos;
3383     for (pos = 0; pos < child_count; pos++)
3384     {
3385         void *id = m_children.Item( pos );
3386         int old_pos = temp.Index( id );
3387         new_order[pos] = old_pos;
3388     }
3389 #endif
3390
3391     GtkTreeModel *gtk_tree_model = GTK_TREE_MODEL( m_internal->GetGtkModel() );
3392
3393     GtkTreeIter iter;
3394     iter.user_data = GetItem().GetID();
3395     iter.stamp = m_internal->GetGtkModel()->stamp;
3396
3397     gtk_tree_model_rows_reordered( gtk_tree_model,
3398             wxGtkTreePath(m_internal->get_path(&iter)), &iter, new_order );
3399
3400     delete [] new_order;
3401
3402     unsigned int pos;
3403     for (pos = 0; pos < node_count; pos++)
3404     {
3405         wxGtkTreeModelNode *node = m_nodes.Item( pos );
3406         node->Resort();
3407     }
3408 }
3409
3410 //-----------------------------------------------------------------------------
3411 // wxDataViewCtrlInternal
3412 //-----------------------------------------------------------------------------
3413
3414 wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model )
3415 {
3416     m_owner = owner;
3417     m_wx_model = wx_model;
3418
3419     m_gtk_model = NULL;
3420     m_root = NULL;
3421     m_sort_order = GTK_SORT_ASCENDING;
3422     m_sort_column = -1;
3423     m_dataview_sort_column = NULL;
3424
3425     m_dragDataObject = NULL;
3426     m_dropDataObject = NULL;
3427
3428     m_dirty = false;
3429
3430     m_gtk_model = wxgtk_tree_model_new();
3431     m_gtk_model->internal = this;
3432
3433     m_notifier = new wxGtkDataViewModelNotifier( wx_model, this );
3434
3435     wx_model->AddNotifier( m_notifier );
3436
3437     // g_object_unref( gtk_model ); ???
3438
3439     if (!m_wx_model->IsVirtualListModel())
3440         InitTree();
3441
3442     gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->GtkGetTreeView()), GTK_TREE_MODEL(m_gtk_model) );
3443 }
3444
3445 wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
3446 {
3447     m_wx_model->RemoveNotifier( m_notifier );
3448
3449     // remove the model from the GtkTreeView before it gets destroyed
3450     gtk_tree_view_set_model( GTK_TREE_VIEW( m_owner->GtkGetTreeView() ), NULL );
3451
3452     g_object_unref( m_gtk_model );
3453
3454     delete m_dragDataObject;
3455     delete m_dropDataObject;
3456 }
3457
3458 void wxDataViewCtrlInternal::ScheduleRefresh()
3459 {
3460     m_dirty = true;
3461 }
3462
3463 void wxDataViewCtrlInternal::OnInternalIdle()
3464 {
3465     if (m_dirty)
3466     {
3467         GtkWidget *widget = m_owner->GtkGetTreeView();
3468         gtk_widget_queue_draw( widget );
3469         m_dirty = false;
3470     }
3471 }
3472
3473 void wxDataViewCtrlInternal::InitTree()
3474 {
3475     wxDataViewItem item;
3476     m_root = new wxGtkTreeModelNode( NULL, item, this );
3477
3478     BuildBranch( m_root );
3479 }
3480
3481 void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
3482 {
3483     if (node->GetChildCount() == 0)
3484     {
3485         wxDataViewItemArray children;
3486         unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
3487
3488         unsigned int pos;
3489         for (pos = 0; pos < count; pos++)
3490         {
3491             wxDataViewItem child = children[pos];
3492
3493             if (m_wx_model->IsContainer( child ))
3494                 node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
3495             else
3496                 node->AddLeaf( child.GetID() );
3497
3498             // Don't send any events here
3499         }
3500     }
3501 }
3502
3503 // GTK+ dnd iface
3504
3505 bool wxDataViewCtrlInternal::EnableDragSource( const wxDataFormat &format )
3506 {
3507     wxGtkString atom_str( gdk_atom_name( format  ) );
3508     m_dragSourceTargetEntryTarget = wxCharBuffer( atom_str );
3509
3510     m_dragSourceTargetEntry.target =  m_dragSourceTargetEntryTarget.data();
3511     m_dragSourceTargetEntry.flags = 0;
3512     m_dragSourceTargetEntry.info = static_cast<guint>(-1);
3513
3514     gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3515        GDK_BUTTON1_MASK, &m_dragSourceTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3516
3517     return true;
3518 }
3519
3520 bool wxDataViewCtrlInternal::EnableDropTarget( const wxDataFormat &format )
3521 {
3522     wxGtkString atom_str( gdk_atom_name( format  ) );
3523     m_dropTargetTargetEntryTarget = wxCharBuffer( atom_str );
3524
3525     m_dropTargetTargetEntry.target =  m_dropTargetTargetEntryTarget.data();
3526     m_dropTargetTargetEntry.flags = 0;
3527     m_dropTargetTargetEntry.info = static_cast<guint>(-1);
3528
3529     gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3530        &m_dropTargetTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3531
3532     return true;
3533 }
3534
3535 gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
3536     GtkTreePath *path )
3537 {
3538     delete m_dragDataObject;
3539     m_dragDataObject = NULL;
3540
3541     wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3542     if ( !item )
3543         return FALSE;
3544
3545     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3546     event.SetEventObject( m_owner );
3547     event.SetItem( item );
3548     event.SetModel( m_wx_model );
3549     gint x, y;
3550     gtk_widget_get_pointer(m_owner->GtkGetTreeView(), &x, &y);
3551     event.SetPosition(x, y);
3552     if (!m_owner->HandleWindowEvent( event ))
3553         return FALSE;
3554
3555     if (!event.IsAllowed())
3556         return FALSE;
3557
3558     wxDataObject *obj = event.GetDataObject();
3559     if (!obj)
3560         return FALSE;
3561
3562     m_dragDataObject = obj;
3563
3564     return TRUE;
3565 }
3566
3567 gboolean
3568 wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source),
3569                                          GtkTreePath *WXUNUSED(path))
3570 {
3571     return FALSE;
3572 }
3573
3574 gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
3575     GtkTreePath *path, GtkSelectionData *selection_data )
3576 {
3577     wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3578     if ( !item )
3579         return FALSE;
3580
3581     GdkAtom target = gtk_selection_data_get_target(selection_data);
3582     if (!m_dragDataObject->IsSupported(target))
3583         return FALSE;
3584
3585     size_t size = m_dragDataObject->GetDataSize(target);
3586     if (size == 0)
3587         return FALSE;
3588
3589     void *buf = malloc( size );
3590
3591     gboolean res = FALSE;
3592     if (m_dragDataObject->GetDataHere(target, buf))
3593     {
3594         res = TRUE;
3595
3596         gtk_selection_data_set(selection_data, target,
3597             8, (const guchar*) buf, size );
3598     }
3599
3600     free( buf );
3601
3602     return res;
3603 }
3604
3605 gboolean
3606 wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
3607                                            GtkTreePath *path,
3608                                            GtkSelectionData *selection_data)
3609 {
3610     wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3611     if ( !item )
3612         return FALSE;
3613
3614     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
3615     event.SetEventObject( m_owner );
3616     event.SetItem( item );
3617     event.SetModel( m_wx_model );
3618     event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3619     event.SetDataSize(gtk_selection_data_get_length(selection_data));
3620     event.SetDataBuffer(const_cast<guchar*>(gtk_selection_data_get_data(selection_data)));
3621     if (!m_owner->HandleWindowEvent( event ))
3622         return FALSE;
3623
3624     if (!event.IsAllowed())
3625         return FALSE;
3626
3627     return TRUE;
3628 }
3629
3630 gboolean
3631 wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
3632                                           GtkTreePath *path,
3633                                           GtkSelectionData *selection_data)
3634 {
3635     wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3636     if ( !item )
3637         return FALSE;
3638
3639     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
3640     event.SetEventObject( m_owner );
3641     event.SetItem( item );
3642     event.SetModel( m_wx_model );
3643     event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3644     if (!m_owner->HandleWindowEvent( event ))
3645         return FALSE;
3646
3647     if (!event.IsAllowed())
3648         return FALSE;
3649
3650     return TRUE;
3651 }
3652
3653 // notifications from wxDataViewModel
3654
3655 bool wxDataViewCtrlInternal::Cleared()
3656 {
3657     if (m_root)
3658     {
3659         delete m_root;
3660         m_root = NULL;
3661     }
3662
3663     InitTree();
3664
3665     ScheduleRefresh();
3666
3667     return true;
3668 }
3669
3670 void wxDataViewCtrlInternal::Resort()
3671 {
3672     if (!m_wx_model->IsVirtualListModel())
3673         m_root->Resort();
3674
3675     ScheduleRefresh();
3676 }
3677
3678 bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
3679 {
3680     if (!m_wx_model->IsVirtualListModel())
3681     {
3682         wxGtkTreeModelNode *parent_node = FindNode( parent );
3683         wxCHECK_MSG(parent_node, false,
3684             "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3685
3686         wxDataViewItemArray siblings;
3687         m_wx_model->GetChildren(parent, siblings);
3688         int itemPos = siblings.Index(item, /*fromEnd=*/true);
3689         wxCHECK_MSG( itemPos != wxNOT_FOUND, false, "adding non-existent item?" );
3690
3691         if (m_wx_model->IsContainer( item ))
3692             parent_node->InsertNode( new wxGtkTreeModelNode( parent_node, item, this ), itemPos );
3693         else
3694             parent_node->InsertLeaf( item.GetID(), itemPos );
3695     }
3696
3697     ScheduleRefresh();
3698
3699     return true;
3700 }
3701
3702 bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
3703 {
3704     if (!m_wx_model->IsVirtualListModel())
3705     {
3706         wxGtkTreeModelNode *parent_node = FindNode( parent );
3707         wxASSERT_MSG(parent_node,
3708             "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3709
3710         parent_node->DeleteChild( item.GetID() );
3711     }
3712
3713     ScheduleRefresh();
3714
3715     return true;
3716 }
3717
3718 bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
3719 {
3720     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3721     event.SetEventObject( m_owner );
3722     event.SetModel( m_owner->GetModel() );
3723     event.SetItem( item );
3724     m_owner->HandleWindowEvent( event );
3725
3726     return true;
3727 }
3728
3729 bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int view_column )
3730 {
3731     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3732     event.SetEventObject( m_owner );
3733     event.SetModel( m_owner->GetModel() );
3734     event.SetColumn( view_column );
3735     event.SetDataViewColumn( GetOwner()->GetColumn(view_column) );
3736     event.SetItem( item );
3737     m_owner->HandleWindowEvent( event );
3738
3739     return true;
3740 }
3741
3742 // GTK+ model iface
3743
3744 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
3745 {
3746     int flags = 0;
3747
3748     if ( m_wx_model->IsListModel() )
3749         flags |= GTK_TREE_MODEL_LIST_ONLY;
3750
3751     if ( !m_wx_model->IsVirtualListModel() )
3752         flags |= GTK_TREE_MODEL_ITERS_PERSIST;
3753
3754     return GtkTreeModelFlags(flags);
3755 }
3756
3757 gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
3758 {
3759
3760     if (m_wx_model->IsVirtualListModel())
3761     {
3762         wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3763
3764         unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
3765
3766         if (i >= wx_model->GetCount())
3767             return FALSE;
3768
3769         iter->stamp = m_gtk_model->stamp;
3770         // user_data is just the index +1
3771         iter->user_data = (gpointer) (i+1);
3772
3773         return TRUE;
3774     }
3775     else
3776     {
3777         int depth = gtk_tree_path_get_depth( path );
3778
3779         wxGtkTreeModelNode *node = m_root;
3780
3781         int i;
3782         for (i = 0; i < depth; i++)
3783         {
3784             BuildBranch( node );
3785
3786             gint pos = gtk_tree_path_get_indices (path)[i];
3787             if (pos < 0) return FALSE;
3788             if ((size_t)pos >= node->GetChildCount()) return FALSE;
3789
3790             void* id = node->GetChildren().Item( (size_t) pos );
3791
3792             if (i == depth-1)
3793             {
3794                 iter->stamp = m_gtk_model->stamp;
3795                 iter->user_data = id;
3796                 return TRUE;
3797             }
3798
3799             size_t count = node->GetNodes().GetCount();
3800             size_t pos2;
3801             for (pos2 = 0; pos2 < count; pos2++)
3802             {
3803                 wxGtkTreeModelNode *child_node = node->GetNodes().Item( pos2 );
3804                 if (child_node->GetItem().GetID() == id)
3805                 {
3806                     node = child_node;
3807                     break;
3808                 }
3809             }
3810         }
3811     }
3812
3813     return FALSE;
3814 }
3815
3816 GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
3817 {
3818     // When this is called from ItemDeleted(), the item is already
3819     // deleted in the model.
3820
3821     GtkTreePath *retval = gtk_tree_path_new ();
3822
3823     if (m_wx_model->IsVirtualListModel())
3824     {
3825         // iter is root, add nothing
3826         if (!iter->user_data)
3827            return retval;
3828
3829         // user_data is just the index +1
3830         int i = ( (wxUIntPtr) iter->user_data ) -1;
3831         gtk_tree_path_append_index (retval, i);
3832     }
3833     else
3834     {
3835         void *id = iter->user_data;
3836
3837         wxGtkTreeModelNode *node = FindParentNode( iter );
3838         while (node)
3839         {
3840             int pos = node->GetChildren().Index( id );
3841
3842             gtk_tree_path_prepend_index( retval, pos );
3843
3844             id = node->GetItem().GetID();
3845             node = node->GetParent();
3846         }
3847     }
3848
3849     return retval;
3850 }
3851
3852 gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
3853 {
3854     if (m_wx_model->IsVirtualListModel())
3855     {
3856         wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3857
3858         // user_data is just the index +1
3859         int n = ( (wxUIntPtr) iter->user_data ) -1;
3860
3861         if (n == -1)
3862         {
3863             iter->user_data = NULL;
3864             return FALSE;
3865         }
3866
3867         if (n >= (int) wx_model->GetCount()-1)
3868         {
3869             iter->user_data = NULL;
3870             return FALSE;
3871         }
3872
3873         // user_data is just the index +1 (+2 because we need the next)
3874         iter->user_data = (gpointer) (n+2);
3875     }
3876     else
3877     {
3878         wxGtkTreeModelNode *parent = FindParentNode( iter );
3879         if( parent == NULL )
3880         {
3881             iter->user_data = NULL;
3882             return FALSE;
3883         }
3884
3885         int pos = parent->GetChildren().Index( iter->user_data );
3886
3887         if (pos == (int) parent->GetChildCount()-1)
3888         {
3889             iter->user_data = NULL;
3890             return FALSE;
3891         }
3892
3893         iter->user_data = parent->GetChildren().Item( pos+1 );
3894     }
3895
3896     return TRUE;
3897 }
3898
3899 gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
3900 {
3901     if (m_wx_model->IsVirtualListModel())
3902     {
3903         // this is a list, nodes have no children
3904         if (parent)
3905             return FALSE;
3906
3907         iter->stamp = m_gtk_model->stamp;
3908         iter->user_data = (gpointer) 1;
3909
3910         return TRUE;
3911     }
3912     else
3913     {
3914         if (iter == NULL)
3915         {
3916             if (m_root->GetChildCount() == 0) return FALSE;
3917             iter->stamp = m_gtk_model->stamp;
3918             iter->user_data = (gpointer) m_root->GetChildren().Item( 0 );
3919             return TRUE;
3920         }
3921
3922
3923         wxDataViewItem item;
3924         if (parent)
3925             item = wxDataViewItem( (void*) parent->user_data );
3926
3927         if (!m_wx_model->IsContainer( item ))
3928             return FALSE;
3929
3930         wxGtkTreeModelNode *parent_node = FindNode( parent );
3931         wxASSERT_MSG(parent_node,
3932             "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3933
3934         BuildBranch( parent_node );
3935
3936         if (parent_node->GetChildCount() == 0)
3937             return FALSE;
3938
3939         iter->stamp = m_gtk_model->stamp;
3940         iter->user_data = (gpointer) parent_node->GetChildren().Item( 0 );
3941     }
3942
3943     return TRUE;
3944 }
3945
3946 gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
3947 {
3948     if (m_wx_model->IsVirtualListModel())
3949     {
3950         wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3951
3952         if (iter == NULL)
3953             return (wx_model->GetCount() > 0);
3954
3955         // this is a list, nodes have no children
3956         return FALSE;
3957     }
3958     else
3959     {
3960         if (iter == NULL)
3961             return (m_root->GetChildCount() > 0);
3962
3963         wxDataViewItem item( (void*) iter->user_data );
3964
3965         bool is_container = m_wx_model->IsContainer( item );
3966
3967         if (!is_container)
3968             return FALSE;
3969
3970         wxGtkTreeModelNode *node = FindNode( iter );
3971         wxASSERT_MSG(node,
3972             "Did you forget a call to ItemAdded()? The iterator is unknown to the wxGtkTreeModel");
3973
3974         BuildBranch( node );
3975
3976         return (node->GetChildCount() > 0);
3977     }
3978 }
3979
3980 gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
3981 {
3982     if (m_wx_model->IsVirtualListModel())
3983     {
3984         wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3985
3986         if (iter == NULL)
3987             return (gint) wx_model->GetCount();
3988
3989         return 0;
3990     }
3991     else
3992     {
3993         if (iter == NULL)
3994             return m_root->GetChildCount();
3995
3996         wxDataViewItem item( (void*) iter->user_data );
3997
3998         if (!m_wx_model->IsContainer( item ))
3999             return 0;
4000
4001         wxGtkTreeModelNode *parent_node = FindNode( iter );
4002         wxASSERT_MSG(parent_node,
4003             "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
4004
4005         BuildBranch( parent_node );
4006
4007         return parent_node->GetChildCount();
4008     }
4009 }
4010
4011 gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
4012 {
4013     if (m_wx_model->IsVirtualListModel())
4014     {
4015         wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
4016
4017         if (parent)
4018             return FALSE;
4019
4020         if (n < 0)
4021             return FALSE;
4022
4023         if (n >= (gint) wx_model->GetCount())
4024             return FALSE;
4025
4026         iter->stamp = m_gtk_model->stamp;
4027         // user_data is just the index +1
4028         iter->user_data = (gpointer) (n+1);
4029
4030         return TRUE;
4031     }
4032     else
4033     {
4034         void* id = NULL;
4035         if (parent) id = (void*) parent->user_data;
4036         wxDataViewItem item( id );
4037
4038         if (!m_wx_model->IsContainer( item ))
4039             return FALSE;
4040
4041         wxGtkTreeModelNode *parent_node = FindNode( parent );
4042         wxASSERT_MSG(parent_node,
4043             "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
4044
4045         BuildBranch( parent_node );
4046
4047         iter->stamp = m_gtk_model->stamp;
4048         iter->user_data = parent_node->GetChildren().Item( n );
4049
4050         return TRUE;
4051     }
4052 }
4053
4054 gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
4055 {
4056     if (m_wx_model->IsVirtualListModel())
4057     {
4058         return FALSE;
4059     }
4060     else
4061     {
4062         wxGtkTreeModelNode *node = FindParentNode( child );
4063         if (!node)
4064             return FALSE;
4065
4066         iter->stamp = m_gtk_model->stamp;
4067         iter->user_data = (gpointer) node->GetItem().GetID();
4068
4069         return TRUE;
4070     }
4071 }
4072
4073 // item can be deleted already in the model
4074 int wxDataViewCtrlInternal::GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item )
4075 {
4076     if (m_wx_model->IsVirtualListModel())
4077     {
4078         return wxPtrToUInt(item.GetID()) - 1;
4079     }
4080     else
4081     {
4082         wxGtkTreeModelNode *parent_node = FindNode( parent );
4083         wxGtkTreeModelChildren &children = parent_node->GetChildren();
4084         size_t j;
4085         for (j = 0; j < children.GetCount(); j++)
4086         {
4087             if (children[j] == item.GetID())
4088                return j;
4089         }
4090     }
4091     return -1;
4092 }
4093
4094
4095 static wxGtkTreeModelNode*
4096 wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4097 {
4098     if( model == NULL )
4099         return NULL;
4100
4101     ItemList list;
4102     list.DeleteContents( true );
4103     wxDataViewItem it( item );
4104
4105     while( it.IsOk() )
4106     {
4107         wxDataViewItem * pItem = new wxDataViewItem( it );
4108         list.Insert( pItem );
4109         it = model->GetParent( it );
4110     }
4111
4112     wxGtkTreeModelNode * node = treeNode;
4113     for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4114     {
4115         if( node && node->GetNodes().GetCount() != 0 )
4116         {
4117             int len = node->GetNodes().GetCount();
4118             wxGtkTreeModelNodes &nodes = node->GetNodes();
4119             int j = 0;
4120             for( ; j < len; j ++)
4121             {
4122                 if( nodes[j]->GetItem() == *(n->GetData()))
4123                 {
4124                     node = nodes[j];
4125                     break;
4126                 }
4127             }
4128
4129             if( j == len )
4130             {
4131                 return NULL;
4132             }
4133         }
4134         else
4135             return NULL;
4136     }
4137     return node;
4138
4139 }
4140
4141 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( GtkTreeIter *iter )
4142 {
4143     if (!iter)
4144         return m_root;
4145
4146     wxDataViewItem item( (void*) iter->user_data );
4147     if (!item.IsOk())
4148         return m_root;
4149
4150     wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
4151
4152 /*
4153     if (!result)
4154     {
4155         wxLogDebug( "Not found %p", iter->user_data );
4156         char *crash = NULL;
4157         *crash = 0;
4158     }
4159     // TODO: remove this code
4160 */
4161
4162     return result;
4163 }
4164
4165 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( const wxDataViewItem &item )
4166 {
4167     if (!item.IsOk())
4168         return m_root;
4169
4170     wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
4171
4172 /*
4173     if (!result)
4174     {
4175         wxLogDebug( "Not found %p", item.GetID() );
4176         char *crash = NULL;
4177         *crash = 0;
4178     }
4179     // TODO: remove this code
4180 */
4181
4182     return result;
4183 }
4184
4185 static wxGtkTreeModelNode*
4186 wxDataViewCtrlInternal_FindParentNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4187 {
4188     if( model == NULL )
4189         return NULL;
4190
4191     ItemList list;
4192     list.DeleteContents( true );
4193     if( !item.IsOk() )
4194         return NULL;
4195
4196     wxDataViewItem it( model->GetParent( item ) );
4197     while( it.IsOk() )
4198     {
4199         wxDataViewItem * pItem = new wxDataViewItem( it );
4200         list.Insert( pItem );
4201         it = model->GetParent( it );
4202     }
4203
4204     wxGtkTreeModelNode * node = treeNode;
4205     for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4206     {
4207         if( node && node->GetNodes().GetCount() != 0 )
4208         {
4209             int len = node->GetNodes().GetCount();
4210             wxGtkTreeModelNodes nodes = node->GetNodes();
4211             int j = 0;
4212             for( ; j < len; j ++)
4213             {
4214                 if( nodes[j]->GetItem() == *(n->GetData()))
4215                 {
4216                     node = nodes[j];
4217                     break;
4218                 }
4219             }
4220
4221             if( j == len )
4222             {
4223                 return NULL;
4224             }
4225         }
4226         else
4227             return NULL;
4228     }
4229     //Examine whether the node is item's parent node
4230     int len = node->GetChildCount();
4231     for( int i = 0; i < len ; i ++ )
4232     {
4233         if( node->GetChildren().Item( i ) == item.GetID() )
4234             return node;
4235     }
4236     return NULL;
4237 }
4238
4239 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( GtkTreeIter *iter )
4240 {
4241     if (!iter)
4242         return NULL;
4243
4244     wxDataViewItem item( (void*) iter->user_data );
4245     if (!item.IsOk())
4246         return NULL;
4247
4248     return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4249 }
4250
4251 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem &item )
4252 {
4253     if (!item.IsOk())
4254         return NULL;
4255
4256     return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4257 }
4258
4259 //-----------------------------------------------------------------------------
4260 // wxDataViewCtrl signal callbacks
4261 //-----------------------------------------------------------------------------
4262
4263 static void
4264 wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )
4265 {
4266     if (!gtk_widget_get_realized(dv->m_widget))
4267         return;
4268
4269     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, dv->GetId() );
4270     event.SetItem( dv->GetSelection() );
4271     event.SetModel( dv->GetModel() );
4272     dv->HandleWindowEvent( event );
4273 }
4274
4275 static void
4276 wxdataview_row_activated_callback( GtkTreeView* WXUNUSED(treeview), GtkTreePath *path,
4277                                    GtkTreeViewColumn *WXUNUSED(column), wxDataViewCtrl *dv )
4278 {
4279     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, dv->GetId() );
4280
4281     wxDataViewItem item(dv->GTKPathToItem(path));
4282     event.SetItem( item );
4283     event.SetModel( dv->GetModel() );
4284     dv->HandleWindowEvent( event );
4285 }
4286
4287 static gboolean
4288 wxdataview_test_expand_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4289                                      GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4290 {
4291     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, dv->GetId() );
4292
4293     wxDataViewItem item( (void*) iter->user_data );;
4294     event.SetItem( item );
4295     event.SetModel( dv->GetModel() );
4296     dv->HandleWindowEvent( event );
4297
4298     return !event.IsAllowed();
4299 }
4300
4301 static void
4302 wxdataview_row_expanded_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4303                                   GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4304 {
4305     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, dv->GetId() );
4306
4307     wxDataViewItem item( (void*) iter->user_data );;
4308     event.SetItem( item );
4309     event.SetModel( dv->GetModel() );
4310     dv->HandleWindowEvent( event );
4311 }
4312
4313 static gboolean
4314 wxdataview_test_collapse_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4315                                        GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4316 {
4317     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, dv->GetId() );
4318
4319     wxDataViewItem item( (void*) iter->user_data );;
4320     event.SetItem( item );
4321     event.SetModel( dv->GetModel() );
4322     dv->HandleWindowEvent( event );
4323
4324     return !event.IsAllowed();
4325 }
4326
4327 static void
4328 wxdataview_row_collapsed_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4329                                    GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4330 {
4331     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, dv->GetId() );
4332
4333     wxDataViewItem item( (void*) iter->user_data );;
4334     event.SetItem( item );
4335     event.SetModel( dv->GetModel() );
4336     dv->HandleWindowEvent( event );
4337 }
4338
4339 //-----------------------------------------------------------------------------
4340     // wxDataViewCtrl
4341 //-----------------------------------------------------------------------------
4342
4343 void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)
4344 {
4345     GtkWidget* treeview = GtkGetTreeView();
4346
4347     // Insert widget in GtkTreeView
4348     if (gtk_widget_get_realized(treeview))
4349         gtk_widget_set_parent_window( child->m_widget,
4350           gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
4351     gtk_widget_set_parent( child->m_widget, treeview );
4352 }
4353
4354 static
4355 void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),
4356                                      GtkAllocation *WXUNUSED(gtk_alloc),
4357                                      wxDataViewCtrl *win )
4358 {
4359     wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
4360     while (node)
4361     {
4362         wxWindow *child = node->GetData();
4363
4364         GtkRequisition req;
4365         gtk_widget_size_request( child->m_widget, &req );
4366
4367         GtkAllocation alloc;
4368         alloc.x = child->m_x;
4369         alloc.y = child->m_y;
4370         alloc.width = child->m_width;
4371         alloc.height = child->m_height;
4372         gtk_widget_size_allocate( child->m_widget, &alloc );
4373
4374         node = node->GetNext();
4375     }
4376 }
4377
4378
4379 //-----------------------------------------------------------------------------
4380 // "motion_notify_event"
4381 //-----------------------------------------------------------------------------
4382
4383 static gboolean
4384 gtk_dataview_motion_notify_callback( GtkWidget *WXUNUSED(widget),
4385                                      GdkEventMotion *gdk_event,
4386                                      wxDataViewCtrl *dv )
4387 {
4388     if (gdk_event->is_hint)
4389     {
4390         int x = 0;
4391         int y = 0;
4392         GdkModifierType state;
4393         gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
4394         gdk_event->x = x;
4395         gdk_event->y = y;
4396     }
4397
4398     wxGtkTreePath path;
4399     GtkTreeViewColumn *column = NULL;
4400     gint cell_x = 0;
4401     gint cell_y = 0;
4402     if (gtk_tree_view_get_path_at_pos(
4403         GTK_TREE_VIEW(dv->GtkGetTreeView()),
4404         (int) gdk_event->x, (int) gdk_event->y,
4405         path.ByRef(),
4406         &column,
4407         &cell_x,
4408         &cell_y))
4409     {
4410         if (path)
4411         {
4412             GtkTreeIter iter;
4413             dv->GtkGetInternal()->get_iter( &iter, path );
4414         }
4415     }
4416
4417
4418     return FALSE;
4419 }
4420
4421 //-----------------------------------------------------------------------------
4422 // "button_press_event"
4423 //-----------------------------------------------------------------------------
4424
4425 static gboolean
4426 gtk_dataview_button_press_callback( GtkWidget *WXUNUSED(widget),
4427                                     GdkEventButton *gdk_event,
4428                                     wxDataViewCtrl *dv )
4429 {
4430     if ((gdk_event->button == 3) && (gdk_event->type == GDK_BUTTON_PRESS))
4431     {
4432         wxGtkTreePath path;
4433         GtkTreeViewColumn *column = NULL;
4434         gint cell_x = 0;
4435         gint cell_y = 0;
4436         gtk_tree_view_get_path_at_pos
4437         (
4438             GTK_TREE_VIEW(dv->GtkGetTreeView()),
4439             (int) gdk_event->x, (int) gdk_event->y,
4440             path.ByRef(),
4441             &column,
4442             &cell_x,
4443             &cell_y
4444         );
4445
4446         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, dv->GetId() );
4447         if (path)
4448             event.SetItem(dv->GTKPathToItem(path));
4449         event.SetModel( dv->GetModel() );
4450         return dv->HandleWindowEvent( event );
4451     }
4452
4453     return FALSE;
4454 }
4455
4456 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4457
4458 wxDataViewCtrl::~wxDataViewCtrl()
4459 {
4460     // Stop editing before destroying the control to remove any event handlers
4461     // which are added when editing started: if we didn't do this, the base
4462     // class dtor would assert as it checks for any leftover handlers.
4463     if ( m_treeview )
4464     {
4465         GtkTreeViewColumn *col;
4466         gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
4467
4468         wxDataViewColumn * const wxcol = FromGTKColumn(col);
4469         if ( wxcol )
4470         {
4471             // This won't do anything if we're not editing it
4472             wxcol->GetRenderer()->CancelEditing();
4473         }
4474     }
4475
4476     m_cols.Clear();
4477
4478     delete m_internal;
4479 }
4480
4481 void wxDataViewCtrl::Init()
4482 {
4483     m_internal = NULL;
4484
4485     m_cols.DeleteContents( true );
4486
4487     m_uniformRowHeight = -1;
4488 }
4489
4490 bool wxDataViewCtrl::Create(wxWindow *parent,
4491                             wxWindowID id,
4492                             const wxPoint& pos,
4493                             const wxSize& size,
4494                             long style,
4495                             const wxValidator& validator,
4496                             const wxString& name)
4497 {
4498     if (!PreCreation( parent, pos, size ) ||
4499         !CreateBase( parent, id, pos, size, style, validator, name ))
4500     {
4501         wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
4502         return false;
4503     }
4504
4505     m_widget = gtk_scrolled_window_new (NULL, NULL);
4506     g_object_ref(m_widget);
4507
4508     GTKScrolledWindowSetBorder(m_widget, style);
4509
4510     m_treeview = gtk_tree_view_new();
4511     gtk_container_add (GTK_CONTAINER (m_widget), m_treeview);
4512
4513     m_focusWidget = GTK_WIDGET(m_treeview);
4514
4515     g_signal_connect (m_treeview, "size_allocate",
4516                      G_CALLBACK (gtk_dataviewctrl_size_callback), this);
4517
4518 #ifdef __WXGTK26__
4519     if (!gtk_check_version(2,6,0))
4520     {
4521         bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
4522         gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4523     }
4524 #endif
4525
4526     if (style & wxDV_MULTIPLE)
4527     {
4528         GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4529         gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
4530     }
4531
4532     gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(m_treeview), (style & wxDV_NO_HEADER) == 0 );
4533
4534 #ifdef __WXGTK210__
4535     if (!gtk_check_version(2,10,0))
4536     {
4537         GtkTreeViewGridLines grid = GTK_TREE_VIEW_GRID_LINES_NONE;
4538
4539         if ((style & wxDV_HORIZ_RULES) != 0 &&
4540             (style & wxDV_VERT_RULES) != 0)
4541             grid = GTK_TREE_VIEW_GRID_LINES_BOTH;
4542         else if (style & wxDV_VERT_RULES)
4543             grid = GTK_TREE_VIEW_GRID_LINES_VERTICAL;
4544         else if (style & wxDV_HORIZ_RULES)
4545             grid = GTK_TREE_VIEW_GRID_LINES_HORIZONTAL;
4546
4547         if (grid != GTK_TREE_VIEW_GRID_LINES_NONE)
4548             gtk_tree_view_set_grid_lines( GTK_TREE_VIEW(m_treeview), grid );
4549     }
4550 #endif
4551
4552     gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_ROW_LINES) != 0 );
4553
4554     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),
4555         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
4556     gtk_widget_show (m_treeview);
4557
4558     m_parent->DoAddChild( this );
4559
4560     PostCreation(size);
4561
4562     GtkEnableSelectionEvents();
4563
4564     g_signal_connect_after (m_treeview, "row-activated",
4565                             G_CALLBACK (wxdataview_row_activated_callback), this);
4566
4567     g_signal_connect (m_treeview, "test-collapse-row",
4568                             G_CALLBACK (wxdataview_test_collapse_row_callback), this);
4569
4570     g_signal_connect_after (m_treeview, "row-collapsed",
4571                             G_CALLBACK (wxdataview_row_collapsed_callback), this);
4572
4573     g_signal_connect (m_treeview, "test-expand-row",
4574                             G_CALLBACK (wxdataview_test_expand_row_callback), this);
4575
4576     g_signal_connect_after (m_treeview, "row-expanded",
4577                             G_CALLBACK (wxdataview_row_expanded_callback), this);
4578
4579     g_signal_connect (m_treeview, "motion_notify_event",
4580                       G_CALLBACK (gtk_dataview_motion_notify_callback), this);
4581
4582     g_signal_connect (m_treeview, "button_press_event",
4583                       G_CALLBACK (gtk_dataview_button_press_callback), this);
4584
4585     return true;
4586 }
4587
4588 wxDataViewItem wxDataViewCtrl::GTKPathToItem(GtkTreePath *path) const
4589 {
4590     GtkTreeIter iter;
4591     return wxDataViewItem(path && m_internal->get_iter(&iter, path)
4592                             ? iter.user_data
4593                             : NULL);
4594 }
4595
4596 void wxDataViewCtrl::OnInternalIdle()
4597 {
4598     wxWindow::OnInternalIdle();
4599
4600     m_internal->OnInternalIdle();
4601
4602     unsigned int cols = GetColumnCount();
4603     unsigned int i;
4604     for (i = 0; i < cols; i++)
4605     {
4606         wxDataViewColumn *col = GetColumn( i );
4607         col->OnInternalIdle();
4608     }
4609
4610     if (m_ensureVisibleDefered.IsOk())
4611     {
4612         ExpandAncestors(m_ensureVisibleDefered);
4613         GtkTreeIter iter;
4614         iter.user_data = (gpointer) m_ensureVisibleDefered.GetID();
4615         wxGtkTreePath path(m_internal->get_path( &iter ));
4616         gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
4617         m_ensureVisibleDefered = wxDataViewItem(0);
4618     }
4619 }
4620
4621 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4622 {
4623     wxDELETE(m_internal);
4624
4625     if (!wxDataViewCtrlBase::AssociateModel( model ))
4626         return false;
4627
4628 #ifdef __WXGTK26__
4629     if (!gtk_check_version(2,6,0))
4630     {
4631         bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
4632         gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4633     }
4634 #endif
4635
4636     m_internal = new wxDataViewCtrlInternal( this, model );
4637
4638     return true;
4639 }
4640
4641 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4642 {
4643     return m_internal->EnableDragSource( format );
4644 }
4645
4646 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4647 {
4648     return m_internal->EnableDropTarget( format );
4649 }
4650
4651 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4652 {
4653     if (!wxDataViewCtrlBase::AppendColumn(col))
4654         return false;
4655
4656     m_cols.Append( col );
4657
4658 #ifdef __WXGTK26__
4659     if (!gtk_check_version(2,6,0))
4660     {
4661         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4662                GTK_TREE_VIEW_COLUMN_FIXED)
4663            gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4664     }
4665 #endif
4666
4667     gtk_tree_view_append_column( GTK_TREE_VIEW(m_treeview),
4668                                  GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4669
4670     return true;
4671 }
4672
4673 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4674 {
4675     if (!wxDataViewCtrlBase::PrependColumn(col))
4676         return false;
4677
4678     m_cols.Insert( col );
4679
4680 #ifdef __WXGTK26__
4681     if (!gtk_check_version(2,6,0))
4682     {
4683         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4684                GTK_TREE_VIEW_COLUMN_FIXED)
4685            gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4686     }
4687 #endif
4688
4689     gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4690                                  GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), 0 );
4691
4692     return true;
4693 }
4694
4695 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4696 {
4697     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4698         return false;
4699
4700     m_cols.Insert( pos, col );
4701
4702 #ifdef __WXGTK26__
4703     if (!gtk_check_version(2,6,0))
4704     {
4705         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4706                GTK_TREE_VIEW_COLUMN_FIXED)
4707            gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4708     }
4709 #endif
4710
4711     gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4712                                  GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), pos );
4713
4714     return true;
4715 }
4716
4717 unsigned int wxDataViewCtrl::GetColumnCount() const
4718 {
4719     return m_cols.GetCount();
4720 }
4721
4722 wxDataViewColumn* wxDataViewCtrl::FromGTKColumn(GtkTreeViewColumn *gtk_col) const
4723 {
4724     if ( !gtk_col )
4725         return NULL;
4726
4727     wxDataViewColumnList::const_iterator iter;
4728     for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4729     {
4730         wxDataViewColumn *col = *iter;
4731         if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)
4732         {
4733             return col;
4734         }
4735     }
4736
4737     wxFAIL_MSG( "No matching column?" );
4738
4739     return NULL;
4740 }
4741
4742 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
4743 {
4744     GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
4745
4746     return FromGTKColumn(gtk_col);
4747 }
4748
4749 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4750 {
4751     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4752                                  GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
4753
4754     m_cols.DeleteObject( column );
4755
4756     return true;
4757 }
4758
4759 bool wxDataViewCtrl::ClearColumns()
4760 {
4761     wxDataViewColumnList::iterator iter;
4762     for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4763     {
4764         wxDataViewColumn *col = *iter;
4765         gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4766                                      GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4767     }
4768
4769     m_cols.Clear();
4770
4771     return true;
4772 }
4773
4774 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4775 {
4776     GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
4777
4778     wxGtkList list(gtk_tree_view_get_columns(GTK_TREE_VIEW(m_treeview)));
4779
4780     return g_list_index( list, (gconstpointer)  gtk_column );
4781 }
4782
4783 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4784 {
4785     return m_internal->GetDataViewSortColumn();
4786 }
4787
4788 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4789 {
4790     GtkTreeIter iter;
4791     iter.user_data = item.GetID();
4792     wxGtkTreePath path(m_internal->get_path( &iter ));
4793     gtk_tree_view_expand_row( GTK_TREE_VIEW(m_treeview), path, false );
4794 }
4795
4796 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4797 {
4798     GtkTreeIter iter;
4799     iter.user_data = item.GetID();
4800     wxGtkTreePath path(m_internal->get_path( &iter ));
4801     gtk_tree_view_collapse_row( GTK_TREE_VIEW(m_treeview), path );
4802 }
4803
4804 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4805 {
4806     GtkTreeIter iter;
4807     iter.user_data = item.GetID();
4808     wxGtkTreePath path(m_internal->get_path( &iter ));
4809     return gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path );
4810 }
4811
4812 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4813 {
4814     // The tree doesn't have any current item if it hadn't been created yet but
4815     // it's arguably not an error to call this function in this case so just
4816     // return an invalid item without asserting.
4817     if ( !m_treeview )
4818         return wxDataViewItem();
4819
4820     wxGtkTreePath path;
4821     gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), path.ByRef(), NULL);
4822
4823     return GTKPathToItem(path);
4824 }
4825
4826 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4827 {
4828     wxCHECK_RET( m_treeview,
4829                  "Current item can't be set before creating the control." );
4830
4831     // We need to make sure the model knows about this item or the path would
4832     // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4833     ExpandAncestors(item);
4834
4835     // We also need to preserve the existing selection from changing.
4836     // Unfortunately the only way to do it seems to use our own selection
4837     // function and forbid any selection changes during set cursor call.
4838     wxGtkTreeSelectionLock
4839         lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4840
4841     // Do move the cursor now.
4842     GtkTreeIter iter;
4843     iter.user_data = item.GetID();
4844     wxGtkTreePath path(m_internal->get_path( &iter ));
4845
4846     gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
4847 }
4848
4849 void wxDataViewCtrl::StartEditor(const wxDataViewItem& item, unsigned int column)
4850 {
4851     wxCHECK_RET( m_treeview,
4852                  "Current item can't be set before creating the control." );
4853
4854     // We need to make sure the model knows about this item or the path would
4855     // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4856     ExpandAncestors(item);
4857
4858     wxDataViewColumn *dvcolumn = GetColumn(column);
4859     wxASSERT_MSG(dvcolumn, "Could not retrieve column");
4860     GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(dvcolumn->GetGtkHandle());
4861
4862     // We also need to preserve the existing selection from changing.
4863     // Unfortunately the only way to do it seems to use our own selection
4864     // function and forbid any selection changes during set cursor call.
4865     wxGtkTreeSelectionLock
4866         lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4867
4868     // Do move the cursor now.
4869     GtkTreeIter iter;
4870     iter.user_data = item.GetID();
4871     wxGtkTreePath path(m_internal->get_path( &iter ));
4872
4873     gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, gcolumn, TRUE);
4874 }
4875
4876 int wxDataViewCtrl::GetSelectedItemsCount() const
4877 {
4878     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4879
4880     return gtk_tree_selection_count_selected_rows(selection);
4881 }
4882
4883 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4884 {
4885     sel.Clear();
4886
4887     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4888     if (HasFlag(wxDV_MULTIPLE))
4889     {
4890         GtkTreeModel *model;
4891         wxGtkTreePathList list(gtk_tree_selection_get_selected_rows(selection, &model));
4892
4893         for ( GList* current = list; current; current = g_list_next(current) )
4894         {
4895             GtkTreePath *path = (GtkTreePath*) current->data;
4896
4897             sel.Add(GTKPathToItem(path));
4898         }
4899     }
4900     else
4901     {
4902         GtkTreeIter iter;
4903         if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
4904         {
4905             sel.Add( wxDataViewItem(iter.user_data) );
4906         }
4907     }
4908
4909     return sel.size();
4910 }
4911
4912 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4913 {
4914     GtkDisableSelectionEvents();
4915
4916     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4917
4918     gtk_tree_selection_unselect_all( selection );
4919
4920     wxDataViewItem last_parent;
4921
4922     size_t i;
4923     for (i = 0; i < sel.GetCount(); i++)
4924     {
4925         wxDataViewItem item = sel[i];
4926         wxDataViewItem parent = GetModel()->GetParent( item );
4927         if (parent)
4928         {
4929             if (parent != last_parent)
4930                 ExpandAncestors(item);
4931         }
4932         last_parent = parent;
4933
4934         GtkTreeIter iter;
4935         iter.stamp = m_internal->GetGtkModel()->stamp;
4936         iter.user_data = (gpointer) item.GetID();
4937         gtk_tree_selection_select_iter( selection, &iter );
4938     }
4939
4940     GtkEnableSelectionEvents();
4941 }
4942
4943 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4944 {
4945     ExpandAncestors(item);
4946
4947     GtkDisableSelectionEvents();
4948
4949     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4950
4951     GtkTreeIter iter;
4952     iter.stamp = m_internal->GetGtkModel()->stamp;
4953     iter.user_data = (gpointer) item.GetID();
4954     gtk_tree_selection_select_iter( selection, &iter );
4955
4956     GtkEnableSelectionEvents();
4957 }
4958
4959 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4960 {
4961     GtkDisableSelectionEvents();
4962
4963     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4964
4965     GtkTreeIter iter;
4966     iter.stamp = m_internal->GetGtkModel()->stamp;
4967     iter.user_data = (gpointer) item.GetID();
4968     gtk_tree_selection_unselect_iter( selection, &iter );
4969
4970     GtkEnableSelectionEvents();
4971 }
4972
4973 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4974 {
4975     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4976
4977     GtkTreeIter iter;
4978     iter.stamp = m_internal->GetGtkModel()->stamp;
4979     iter.user_data = (gpointer) item.GetID();
4980
4981     return gtk_tree_selection_iter_is_selected( selection, &iter );
4982 }
4983
4984 void wxDataViewCtrl::SelectAll()
4985 {
4986     GtkDisableSelectionEvents();
4987
4988     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4989
4990     gtk_tree_selection_select_all( selection );
4991
4992     GtkEnableSelectionEvents();
4993 }
4994
4995 void wxDataViewCtrl::UnselectAll()
4996 {
4997     GtkDisableSelectionEvents();
4998
4999     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5000
5001     gtk_tree_selection_unselect_all( selection );
5002
5003     GtkEnableSelectionEvents();
5004 }
5005
5006 void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
5007                                    const wxDataViewColumn *WXUNUSED(column))
5008 {
5009     m_ensureVisibleDefered = item;
5010     ExpandAncestors(item);
5011
5012     GtkTreeIter iter;
5013     iter.user_data = (gpointer) item.GetID();
5014     wxGtkTreePath path(m_internal->get_path( &iter ));
5015     gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
5016 }
5017
5018 void wxDataViewCtrl::HitTest(const wxPoint& point,
5019                              wxDataViewItem& item,
5020                              wxDataViewColumn *& column) const
5021 {
5022     // gtk_tree_view_get_dest_row_at_pos() is the right one. But it does not tell the column.
5023     // gtk_tree_view_get_path_at_pos() is the wrong function. It doesn't mind the header but returns column.
5024     // See http://mail.gnome.org/archives/gtkmm-list/2005-January/msg00080.html
5025     // So we have to use both of them.
5026     // Friedrich Haase 2010-9-20
5027     wxGtkTreePath path, pathScratch;
5028     GtkTreeViewColumn* GtkColumn = NULL;
5029     GtkTreeViewDropPosition pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
5030     gint cell_x = 0;
5031     gint cell_y = 0;
5032
5033     // cannot directly call GtkGetTreeView(), HitTest is const and so is this pointer
5034     wxDataViewCtrl* ctrl = (wxDataViewCtrl*)this; // ugly workaround, ctrl is NOT const
5035     GtkTreeView* treeView = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
5036
5037     // is there possibly a better suited function to get the column?
5038     gtk_tree_view_get_path_at_pos(                // and this is the wrong call but it delivers the column
5039       treeView,
5040       (int) point.x, (int) point.y,
5041       pathScratch.ByRef(),
5042       &GtkColumn,                                 // here we get the GtkColumn
5043       &cell_x,
5044       &cell_y );
5045
5046     if ( GtkColumn != NULL )
5047     {
5048         // we got GTK column
5049         // the right call now which takes the header into account
5050         gtk_tree_view_get_dest_row_at_pos( treeView, (int) point.x, (int) point.y, path.ByRef(), &pos);
5051
5052         if (path)
5053             item = wxDataViewItem(GTKPathToItem(path));
5054         // else we got a GTK column but the position is not over an item, e.g. below last item
5055         for ( unsigned int i=0, cols=GetColumnCount(); i<cols; ++i )  // search the wx column
5056         {
5057             wxDataViewColumn* col = GetColumn(i);
5058             if ( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == GtkColumn )
5059             {
5060                 column = col;                      // here we get the wx column
5061                 break;
5062             }
5063         }
5064     }
5065     // else no column and thus no item, both null
5066 }
5067
5068 wxRect
5069 wxDataViewCtrl::GetItemRect(const wxDataViewItem& WXUNUSED(item),
5070                             const wxDataViewColumn *WXUNUSED(column)) const
5071 {
5072     return wxRect();
5073 }
5074
5075 bool wxDataViewCtrl::SetRowHeight(int rowHeight)
5076 {
5077     m_uniformRowHeight = rowHeight;
5078     return true;
5079 }
5080
5081 void wxDataViewCtrl::DoSetExpanderColumn()
5082 {
5083     gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),
5084         GTK_TREE_VIEW_COLUMN( GetExpanderColumn()->GetGtkHandle() ) );
5085 }
5086
5087 void wxDataViewCtrl::DoSetIndent()
5088 {
5089 }
5090
5091 void wxDataViewCtrl::GtkDisableSelectionEvents()
5092 {
5093     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5094     g_signal_handlers_disconnect_by_func( selection,
5095                             (gpointer) (wxdataview_selection_changed_callback), this);
5096 }
5097
5098 void wxDataViewCtrl::GtkEnableSelectionEvents()
5099 {
5100     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5101     g_signal_connect_after (selection, "changed",
5102                             G_CALLBACK (wxdataview_selection_changed_callback), this);
5103 }
5104
5105 // ----------------------------------------------------------------------------
5106 // visual attributes stuff
5107 // ----------------------------------------------------------------------------
5108
5109 // static
5110 wxVisualAttributes
5111 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
5112 {
5113     return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new);
5114 }
5115
5116 void wxDataViewCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
5117 {
5118     wxDataViewCtrlBase::DoApplyWidgetStyle(style);
5119     gtk_widget_modify_style(m_treeview, style);
5120 }
5121
5122 #endif // !wxUSE_GENERICDATAVIEWCTRL
5123
5124 #endif // wxUSE_DATAVIEWCTRL