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Don't assert if no icon is specified for a wxDataViewCtrl item.
[wxWidgets.git] / 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 #include "wx/gtk/private/event.h"
38 using namespace wxGTKImpl;
39
40 class wxGtkDataViewModelNotifier;
41
42 //-----------------------------------------------------------------------------
43 //-----------------------------------------------------------------------------
44
45 static wxDataViewCtrlInternal *gs_internal = NULL;
46
47 class wxGtkTreeModelNode;
48
49 extern "C" {
50 typedef struct _GtkWxTreeModel GtkWxTreeModel;
51 }
52
53 // ----------------------------------------------------------------------------
54 // wxGtkTreePath: self-destroying GtkTreePath
55 // ----------------------------------------------------------------------------
56
57 // Usually this object is initialized with the associated GtkTreePath
58 // immediately when it's constructed but it can also be changed later either by
59 // using Assign() or by getting the pointer to the internally stored pointer
60 // value using ByRef(). The latter should be avoided but is very convenient
61 // when using GTK functions with GtkTreePath output parameters.
62 class wxGtkTreePath
63 {
64 public:
65 // Ctor takes ownership of the given path and will free it if non-NULL.
66 wxGtkTreePath(GtkTreePath *path = NULL) : m_path(path) { }
67
68 // Creates a tree path for the given string path.
69 wxGtkTreePath(const gchar *strpath)
70 : m_path(gtk_tree_path_new_from_string(strpath))
71 {
72 }
73
74 // Set the stored pointer if not done by ctor.
75 void Assign(GtkTreePath *path)
76 {
77 wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
78
79 m_path = path;
80 }
81
82 // Return the pointer to the internally stored pointer. This should only be
83 // used to initialize the object by passing it to some GTK function.
84 GtkTreePath **ByRef()
85 {
86 wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
87
88 return &m_path;
89 }
90
91
92 operator GtkTreePath *() const { return m_path; }
93
94 ~wxGtkTreePath() { if ( m_path ) gtk_tree_path_free(m_path); }
95
96 private:
97 GtkTreePath *m_path;
98
99 wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
100 };
101
102 // ----------------------------------------------------------------------------
103 // wxGtkTreePathList: self-destroying list of GtkTreePath objects.
104 // ----------------------------------------------------------------------------
105
106 class wxGtkTreePathList : public wxGtkList
107 {
108 public:
109 // Ctor takes ownership of the list.
110 explicit wxGtkTreePathList(GList* list)
111 : wxGtkList(list)
112 {
113 }
114
115 ~wxGtkTreePathList()
116 {
117 // Delete the list contents, wxGtkList will delete the list itself.
118 g_list_foreach(m_list, (GFunc)gtk_tree_path_free, NULL);
119 }
120 };
121
122 // ----------------------------------------------------------------------------
123 // wxGtkTreeSelectionLock: prevent selection from changing during the
124 // lifetime of this object
125 // ----------------------------------------------------------------------------
126
127 // Implementation note: it could be expected that setting the selection
128 // function in this class ctor and resetting it back to the old value in its
129 // dtor would work. However currently gtk_tree_selection_get_select_function()
130 // can't be passed NULL (see https://bugzilla.gnome.org/show_bug.cgi?id=626276)
131 // so we can't do this. Instead, we always use the selection function (which
132 // imposes extra overhead, albeit minimal one, on all selection operations) and
133 // just set/reset the flag telling it whether it should allow or forbid the
134 // selection.
135 //
136 // Also notice that currently only a single object of this class may exist at
137 // any given moment. It's just simpler like this and we don't need anything
138 // more for now.
139
140 extern "C"
141 gboolean wxdataview_selection_func(GtkTreeSelection * WXUNUSED(selection),
142 GtkTreeModel * WXUNUSED(model),
143 GtkTreePath * WXUNUSED(path),
144 gboolean WXUNUSED(path_currently_selected),
145 gpointer data)
146 {
147 return data == NULL;
148 }
149
150 class wxGtkTreeSelectionLock
151 {
152 public:
153 wxGtkTreeSelectionLock(GtkTreeSelection *selection)
154 : m_selection(selection)
155 {
156 wxASSERT_MSG( !ms_instance, "this class is not reentrant currently" );
157
158 ms_instance = this;
159
160 CheckCurrentSelectionFunc(NULL);
161
162 // Pass some non-NULL pointer as "data" for the callback, it doesn't
163 // matter what it is as long as it's non-NULL.
164 gtk_tree_selection_set_select_function(selection,
165 wxdataview_selection_func,
166 this,
167 NULL);
168 }
169
170 ~wxGtkTreeSelectionLock()
171 {
172 CheckCurrentSelectionFunc(wxdataview_selection_func);
173
174 gtk_tree_selection_set_select_function(m_selection,
175 wxdataview_selection_func,
176 NULL,
177 NULL);
178
179 ms_instance = NULL;
180 }
181
182 private:
183 void CheckCurrentSelectionFunc(GtkTreeSelectionFunc func)
184 {
185 // We can only use gtk_tree_selection_get_select_function() with 2.14+
186 // so check for its availability both during compile- and run-time.
187 #if GTK_CHECK_VERSION(2, 14, 0)
188 if ( gtk_check_version(2, 14, 0) != NULL )
189 return;
190
191 // If this assert is triggered, it means the code elsewhere has called
192 // gtk_tree_selection_set_select_function() but currently doing this
193 // breaks this class so the code here needs to be changed.
194 wxASSERT_MSG
195 (
196 gtk_tree_selection_get_select_function(m_selection) == func,
197 "selection function has changed unexpectedly, review this code!"
198 );
199 #endif // GTK+ 2.14+
200
201 wxUnusedVar(func);
202 }
203
204 static wxGtkTreeSelectionLock *ms_instance;
205
206 GtkTreeSelection * const m_selection;
207
208 wxDECLARE_NO_COPY_CLASS(wxGtkTreeSelectionLock);
209 };
210
211 wxGtkTreeSelectionLock *wxGtkTreeSelectionLock::ms_instance = NULL;
212
213 //-----------------------------------------------------------------------------
214 // wxDataViewCtrlInternal
215 //-----------------------------------------------------------------------------
216
217 WX_DECLARE_LIST(wxDataViewItem, ItemList);
218 WX_DEFINE_LIST(ItemList)
219
220 class wxDataViewCtrlInternal
221 {
222 public:
223 wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model );
224 ~wxDataViewCtrlInternal();
225
226 // model iface
227 GtkTreeModelFlags get_flags();
228 gboolean get_iter( GtkTreeIter *iter, GtkTreePath *path );
229 GtkTreePath *get_path( GtkTreeIter *iter);
230 gboolean iter_next( GtkTreeIter *iter );
231 gboolean iter_children( GtkTreeIter *iter, GtkTreeIter *parent);
232 gboolean iter_has_child( GtkTreeIter *iter );
233 gint iter_n_children( GtkTreeIter *iter );
234 gboolean iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n );
235 gboolean iter_parent( GtkTreeIter *iter, GtkTreeIter *child );
236
237 // dnd iface
238
239 bool EnableDragSource( const wxDataFormat &format );
240 bool EnableDropTarget( const wxDataFormat &format );
241
242 gboolean row_draggable( GtkTreeDragSource *drag_source, GtkTreePath *path );
243 gboolean drag_data_delete( GtkTreeDragSource *drag_source, GtkTreePath* path );
244 gboolean drag_data_get( GtkTreeDragSource *drag_source, GtkTreePath *path,
245 GtkSelectionData *selection_data );
246 gboolean drag_data_received( GtkTreeDragDest *drag_dest, GtkTreePath *dest,
247 GtkSelectionData *selection_data );
248 gboolean row_drop_possible( GtkTreeDragDest *drag_dest, GtkTreePath *dest_path,
249 GtkSelectionData *selection_data );
250
251 // notifactions from wxDataViewModel
252 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
253 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
254 bool ItemChanged( const wxDataViewItem &item );
255 bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
256 bool Cleared();
257 bool BeforeReset();
258 bool AfterReset();
259 void Resort();
260
261 // sorting interface
262 void SetSortOrder( GtkSortType sort_order ) { m_sort_order = sort_order; }
263 GtkSortType GetSortOrder() const { return m_sort_order; }
264
265 void SetSortColumn( int column ) { m_sort_column = column; }
266 int GetSortColumn() const { return m_sort_column; }
267
268 void SetDataViewSortColumn( wxDataViewColumn *column ) { m_dataview_sort_column = column; }
269 wxDataViewColumn *GetDataViewSortColumn() { return m_dataview_sort_column; }
270
271 bool IsSorted() const { return m_sort_column >= 0; }
272
273 // Should we be sorted either because we have a configured sort column or
274 // because we have a default sort order?
275 bool ShouldBeSorted() const
276 {
277 return IsSorted() || GetDataViewModel()->HasDefaultCompare();
278 }
279
280
281 // accessors
282 wxDataViewModel* GetDataViewModel() { return m_wx_model; }
283 const wxDataViewModel* GetDataViewModel() const { return m_wx_model; }
284 wxDataViewCtrl* GetOwner() { return m_owner; }
285 GtkWxTreeModel* GetGtkModel() { return m_gtk_model; }
286
287 // item can be deleted already in the model
288 int GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item );
289
290 void OnInternalIdle();
291
292 protected:
293 void InitTree();
294 void ScheduleRefresh();
295
296 wxGtkTreeModelNode *FindNode( const wxDataViewItem &item );
297 wxGtkTreeModelNode *FindNode( GtkTreeIter *iter );
298 wxGtkTreeModelNode *FindParentNode( const wxDataViewItem &item );
299 wxGtkTreeModelNode *FindParentNode( GtkTreeIter *iter );
300 void BuildBranch( wxGtkTreeModelNode *branch );
301
302 private:
303 wxGtkTreeModelNode *m_root;
304 wxDataViewModel *m_wx_model;
305 GtkWxTreeModel *m_gtk_model;
306 wxDataViewCtrl *m_owner;
307 GtkSortType m_sort_order;
308 wxDataViewColumn *m_dataview_sort_column;
309 int m_sort_column;
310
311 GtkTargetEntry m_dragSourceTargetEntry;
312 wxCharBuffer m_dragSourceTargetEntryTarget;
313 wxDataObject *m_dragDataObject;
314
315 GtkTargetEntry m_dropTargetTargetEntry;
316 wxCharBuffer m_dropTargetTargetEntryTarget;
317 wxDataObject *m_dropDataObject;
318
319 wxGtkDataViewModelNotifier *m_notifier;
320
321 bool m_dirty;
322 };
323
324
325 //-----------------------------------------------------------------------------
326 // wxGtkTreeModelNode
327 //-----------------------------------------------------------------------------
328
329 static
330 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
331 {
332 int ret = gs_internal->GetDataViewModel()->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2),
333 gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
334
335 return ret;
336 }
337
338 WX_DEFINE_ARRAY_PTR( wxGtkTreeModelNode*, wxGtkTreeModelNodes );
339 WX_DEFINE_ARRAY_PTR( void*, wxGtkTreeModelChildren );
340
341 class wxGtkTreeModelNode
342 {
343 public:
344 wxGtkTreeModelNode( wxGtkTreeModelNode* parent, const wxDataViewItem &item,
345 wxDataViewCtrlInternal *internal )
346 {
347 m_parent = parent;
348 m_item = item;
349 m_internal = internal;
350 }
351
352 ~wxGtkTreeModelNode()
353 {
354 size_t count = m_nodes.GetCount();
355 size_t i;
356 for (i = 0; i < count; i++)
357 {
358 wxGtkTreeModelNode *child = m_nodes.Item( i );
359 delete child;
360 }
361 }
362
363 void AddNode( wxGtkTreeModelNode* child )
364 {
365 m_nodes.Add( child );
366
367 void *id = child->GetItem().GetID();
368
369 m_children.Add( id );
370
371 if (m_internal->ShouldBeSorted())
372 {
373 gs_internal = m_internal;
374 m_children.Sort( &wxGtkTreeModelChildCmp );
375 }
376 }
377
378 void InsertNode( wxGtkTreeModelNode* child, unsigned pos )
379 {
380 if (m_internal->ShouldBeSorted())
381 {
382 AddNode(child);
383 return;
384 }
385
386 void *id = child->GetItem().GetID();
387
388 // Insert into m_nodes so that the order of nodes in m_nodes is the
389 // same as the order of their corresponding IDs in m_children:
390 const unsigned int count = m_nodes.GetCount();
391 bool inserted = false;
392 for (unsigned i = 0; i < count; i++)
393 {
394 wxGtkTreeModelNode *node = m_nodes[i];
395 int posInChildren = m_children.Index(node->GetItem().GetID());
396 if ( (unsigned)posInChildren >= pos )
397 {
398 m_nodes.Insert(child, i);
399 inserted = true;
400 break;
401 }
402 }
403 if ( !inserted )
404 m_nodes.Add(child);
405
406 m_children.Insert( id, pos );
407 }
408
409 void AddLeaf( void* id )
410 {
411 InsertLeaf(id, m_children.size());
412 }
413
414 void InsertLeaf( void* id, unsigned pos )
415 {
416 m_children.Insert( id, pos );
417
418 if (m_internal->ShouldBeSorted())
419 {
420 gs_internal = m_internal;
421 m_children.Sort( &wxGtkTreeModelChildCmp );
422 }
423 }
424
425 void DeleteChild( void* id )
426 {
427 m_children.Remove( id );
428
429 unsigned int count = m_nodes.GetCount();
430 unsigned int pos;
431 for (pos = 0; pos < count; pos++)
432 {
433 wxGtkTreeModelNode *node = m_nodes.Item( pos );
434 if (node->GetItem().GetID() == id)
435 {
436 m_nodes.RemoveAt( pos );
437 delete node;
438 break;
439 }
440 }
441 }
442
443 // returns position of child node for given item in children list or wxNOT_FOUND
444 int FindChildByItem(const wxDataViewItem& item) const
445 {
446 const void* itemId = item.GetID();
447 const wxGtkTreeModelChildren& nodes = m_children;
448 const int len = nodes.size();
449 for ( int i = 0; i < len; i++ )
450 {
451 if ( nodes[i] == itemId )
452 return i;
453 }
454 return wxNOT_FOUND;
455 }
456
457 wxGtkTreeModelNode* GetParent()
458 { return m_parent; }
459 wxGtkTreeModelNodes &GetNodes()
460 { return m_nodes; }
461 wxGtkTreeModelChildren &GetChildren()
462 { return m_children; }
463
464 unsigned int GetChildCount() const { return m_children.GetCount(); }
465 unsigned int GetNodesCount() const { return m_nodes.GetCount(); }
466
467 wxDataViewItem &GetItem() { return m_item; }
468 wxDataViewCtrlInternal *GetInternal() { return m_internal; }
469
470 void Resort();
471
472 private:
473 wxGtkTreeModelNode *m_parent;
474 wxGtkTreeModelNodes m_nodes;
475 wxGtkTreeModelChildren m_children;
476 wxDataViewItem m_item;
477 wxDataViewCtrlInternal *m_internal;
478 };
479
480
481 //-----------------------------------------------------------------------------
482 // data
483 //-----------------------------------------------------------------------------
484
485 extern bool g_blockEventsOnDrag;
486
487 //-----------------------------------------------------------------------------
488 // define new GTK+ class wxGtkTreeModel
489 //-----------------------------------------------------------------------------
490
491 extern "C" {
492
493 #define GTK_TYPE_WX_TREE_MODEL (gtk_wx_tree_model_get_type ())
494 #define GTK_WX_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModel))
495 #define GTK_IS_WX_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_TREE_MODEL))
496 #define GTK_IS_WX_TREE_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_TREE_MODEL))
497
498 GType gtk_wx_tree_model_get_type (void);
499
500 struct _GtkWxTreeModel
501 {
502 GObject parent;
503
504 /*< private >*/
505 gint stamp;
506 wxDataViewCtrlInternal *internal;
507 };
508
509 static GtkWxTreeModel *wxgtk_tree_model_new (void);
510 static void wxgtk_tree_model_init (GTypeInstance* instance, void*);
511
512 static void wxgtk_tree_model_tree_model_init (void* g_iface, void*);
513 static void wxgtk_tree_model_sortable_init (void* g_iface, void*);
514 static void wxgtk_tree_model_drag_source_init(void* g_iface, void*);
515 static void wxgtk_tree_model_drag_dest_init (void* g_iface, void*);
516
517 static GtkTreeModelFlags wxgtk_tree_model_get_flags (GtkTreeModel *tree_model);
518 static gint wxgtk_tree_model_get_n_columns (GtkTreeModel *tree_model);
519 static GType wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
520 gint index);
521 static gboolean wxgtk_tree_model_get_iter (GtkTreeModel *tree_model,
522 GtkTreeIter *iter,
523 GtkTreePath *path);
524 static GtkTreePath *wxgtk_tree_model_get_path (GtkTreeModel *tree_model,
525 GtkTreeIter *iter);
526 static void wxgtk_tree_model_get_value (GtkTreeModel *tree_model,
527 GtkTreeIter *iter,
528 gint column,
529 GValue *value);
530 static gboolean wxgtk_tree_model_iter_next (GtkTreeModel *tree_model,
531 GtkTreeIter *iter);
532 static gboolean wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
533 GtkTreeIter *iter,
534 GtkTreeIter *parent);
535 static gboolean wxgtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
536 GtkTreeIter *iter);
537 static gint wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
538 GtkTreeIter *iter);
539 static gboolean wxgtk_tree_model_iter_nth_child (GtkTreeModel *tree_model,
540 GtkTreeIter *iter,
541 GtkTreeIter *parent,
542 gint n);
543 static gboolean wxgtk_tree_model_iter_parent (GtkTreeModel *tree_model,
544 GtkTreeIter *iter,
545 GtkTreeIter *child);
546
547 /* sortable */
548 static gboolean wxgtk_tree_model_get_sort_column_id (GtkTreeSortable *sortable,
549 gint *sort_column_id,
550 GtkSortType *order);
551 static void wxgtk_tree_model_set_sort_column_id (GtkTreeSortable *sortable,
552 gint sort_column_id,
553 GtkSortType order);
554 static void wxgtk_tree_model_set_sort_func (GtkTreeSortable *sortable,
555 gint sort_column_id,
556 GtkTreeIterCompareFunc func,
557 gpointer data,
558 GDestroyNotify destroy);
559 static void wxgtk_tree_model_set_default_sort_func (GtkTreeSortable *sortable,
560 GtkTreeIterCompareFunc func,
561 gpointer data,
562 GDestroyNotify destroy);
563 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable *sortable);
564
565 /* drag'n'drop */
566 static gboolean wxgtk_tree_model_row_draggable (GtkTreeDragSource *drag_source,
567 GtkTreePath *path);
568 static gboolean wxgtk_tree_model_drag_data_delete (GtkTreeDragSource *drag_source,
569 GtkTreePath *path);
570 static gboolean wxgtk_tree_model_drag_data_get (GtkTreeDragSource *drag_source,
571 GtkTreePath *path,
572 GtkSelectionData *selection_data);
573 static gboolean wxgtk_tree_model_drag_data_received (GtkTreeDragDest *drag_dest,
574 GtkTreePath *dest,
575 GtkSelectionData *selection_data);
576 static gboolean wxgtk_tree_model_row_drop_possible (GtkTreeDragDest *drag_dest,
577 GtkTreePath *dest_path,
578 GtkSelectionData *selection_data);
579
580 GType
581 gtk_wx_tree_model_get_type (void)
582 {
583 static GType tree_model_type = 0;
584
585 if (!tree_model_type)
586 {
587 const GTypeInfo tree_model_info =
588 {
589 sizeof (GObjectClass),
590 NULL, /* base_init */
591 NULL, /* base_finalize */
592 NULL,
593 NULL, /* class_finalize */
594 NULL, /* class_data */
595 sizeof (GtkWxTreeModel),
596 0,
597 wxgtk_tree_model_init,
598 };
599
600 static const GInterfaceInfo tree_model_iface_info =
601 {
602 wxgtk_tree_model_tree_model_init,
603 NULL,
604 NULL
605 };
606
607 static const GInterfaceInfo sortable_iface_info =
608 {
609 wxgtk_tree_model_sortable_init,
610 NULL,
611 NULL
612 };
613
614 static const GInterfaceInfo drag_source_iface_info =
615 {
616 wxgtk_tree_model_drag_source_init,
617 NULL,
618 NULL
619 };
620
621 static const GInterfaceInfo drag_dest_iface_info =
622 {
623 wxgtk_tree_model_drag_dest_init,
624 NULL,
625 NULL
626 };
627
628 tree_model_type = g_type_register_static (G_TYPE_OBJECT, "GtkWxTreeModel",
629 &tree_model_info, (GTypeFlags)0 );
630
631 g_type_add_interface_static (tree_model_type,
632 GTK_TYPE_TREE_MODEL,
633 &tree_model_iface_info);
634 g_type_add_interface_static (tree_model_type,
635 GTK_TYPE_TREE_SORTABLE,
636 &sortable_iface_info);
637 g_type_add_interface_static (tree_model_type,
638 GTK_TYPE_TREE_DRAG_DEST,
639 &drag_dest_iface_info);
640 g_type_add_interface_static (tree_model_type,
641 GTK_TYPE_TREE_DRAG_SOURCE,
642 &drag_source_iface_info);
643 }
644
645 return tree_model_type;
646 }
647
648 static GtkWxTreeModel *
649 wxgtk_tree_model_new(void)
650 {
651 GtkWxTreeModel *retval = (GtkWxTreeModel *) g_object_new (GTK_TYPE_WX_TREE_MODEL, NULL);
652 return retval;
653 }
654
655 static void
656 wxgtk_tree_model_tree_model_init(void* g_iface, void*)
657 {
658 GtkTreeModelIface* iface = static_cast<GtkTreeModelIface*>(g_iface);
659 iface->get_flags = wxgtk_tree_model_get_flags;
660 iface->get_n_columns = wxgtk_tree_model_get_n_columns;
661 iface->get_column_type = wxgtk_tree_model_get_column_type;
662 iface->get_iter = wxgtk_tree_model_get_iter;
663 iface->get_path = wxgtk_tree_model_get_path;
664 iface->get_value = wxgtk_tree_model_get_value;
665 iface->iter_next = wxgtk_tree_model_iter_next;
666 iface->iter_children = wxgtk_tree_model_iter_children;
667 iface->iter_has_child = wxgtk_tree_model_iter_has_child;
668 iface->iter_n_children = wxgtk_tree_model_iter_n_children;
669 iface->iter_nth_child = wxgtk_tree_model_iter_nth_child;
670 iface->iter_parent = wxgtk_tree_model_iter_parent;
671 }
672
673 static void
674 wxgtk_tree_model_sortable_init(void* g_iface, void*)
675 {
676 GtkTreeSortableIface* iface = static_cast<GtkTreeSortableIface*>(g_iface);
677 iface->get_sort_column_id = wxgtk_tree_model_get_sort_column_id;
678 iface->set_sort_column_id = wxgtk_tree_model_set_sort_column_id;
679 iface->set_sort_func = wxgtk_tree_model_set_sort_func;
680 iface->set_default_sort_func = wxgtk_tree_model_set_default_sort_func;
681 iface->has_default_sort_func = wxgtk_tree_model_has_default_sort_func;
682 }
683
684 static void
685 wxgtk_tree_model_drag_source_init(void* g_iface, void*)
686 {
687 GtkTreeDragSourceIface* iface = static_cast<GtkTreeDragSourceIface*>(g_iface);
688 iface->row_draggable = wxgtk_tree_model_row_draggable;
689 iface->drag_data_delete = wxgtk_tree_model_drag_data_delete;
690 iface->drag_data_get = wxgtk_tree_model_drag_data_get;
691 }
692
693 static void
694 wxgtk_tree_model_drag_dest_init(void* g_iface, void*)
695 {
696 GtkTreeDragDestIface* iface = static_cast<GtkTreeDragDestIface*>(g_iface);
697 iface->drag_data_received = wxgtk_tree_model_drag_data_received;
698 iface->row_drop_possible = wxgtk_tree_model_row_drop_possible;
699 }
700
701 static void
702 wxgtk_tree_model_init(GTypeInstance* instance, void*)
703 {
704 GtkWxTreeModel* tree_model = GTK_WX_TREE_MODEL(instance);
705 tree_model->internal = NULL;
706 tree_model->stamp = g_random_int();
707 }
708
709 } // extern "C"
710
711 //-----------------------------------------------------------------------------
712 // implement callbacks from wxGtkTreeModel class by letting
713 // them call the methods of wxWidgets' wxDataViewModel
714 //-----------------------------------------------------------------------------
715
716 static GtkTreeModelFlags
717 wxgtk_tree_model_get_flags (GtkTreeModel *tree_model)
718 {
719 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
720 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), (GtkTreeModelFlags)0 );
721
722 return wxtree_model->internal->get_flags();
723 }
724
725 static gint
726 wxgtk_tree_model_get_n_columns (GtkTreeModel *tree_model)
727 {
728 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
729 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
730
731 return wxtree_model->internal->GetDataViewModel()->GetColumnCount();
732 }
733
734 static GType
735 wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
736 gint index)
737 {
738 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
739 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), G_TYPE_INVALID);
740
741 GType gtype = G_TYPE_INVALID;
742
743 wxString wxtype = wxtree_model->internal->GetDataViewModel()->GetColumnType( (unsigned int) index );
744
745 if (wxtype == wxT("string"))
746 gtype = G_TYPE_STRING;
747 else
748 {
749 gtype = G_TYPE_POINTER;
750 // wxFAIL_MSG( wxT("non-string columns not supported for searching yet") );
751 }
752
753 return gtype;
754 }
755
756 static gboolean
757 wxgtk_tree_model_get_iter (GtkTreeModel *tree_model,
758 GtkTreeIter *iter,
759 GtkTreePath *path)
760 {
761 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
762 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
763 g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
764
765 return wxtree_model->internal->get_iter( iter, path );
766 }
767
768 static GtkTreePath *
769 wxgtk_tree_model_get_path (GtkTreeModel *tree_model,
770 GtkTreeIter *iter)
771 {
772 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
773 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), NULL);
774 g_return_val_if_fail (iter->stamp == GTK_WX_TREE_MODEL (wxtree_model)->stamp, NULL);
775
776 return wxtree_model->internal->get_path( iter );
777 }
778
779 static void
780 wxgtk_tree_model_get_value (GtkTreeModel *tree_model,
781 GtkTreeIter *iter,
782 gint column,
783 GValue *value)
784 {
785 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
786 g_return_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model) );
787
788 wxDataViewModel *model = wxtree_model->internal->GetDataViewModel();
789 wxString mtype = model->GetColumnType( (unsigned int) column );
790 if (mtype == wxT("string"))
791 {
792 wxVariant variant;
793 g_value_init( value, G_TYPE_STRING );
794 wxDataViewItem item( (void*) iter->user_data );
795 model->GetValue( variant, item, (unsigned int) column );
796
797 g_value_set_string( value, variant.GetString().utf8_str() );
798 }
799 else
800 {
801 wxFAIL_MSG( wxT("non-string columns not supported yet") );
802 }
803 }
804
805 static gboolean
806 wxgtk_tree_model_iter_next (GtkTreeModel *tree_model,
807 GtkTreeIter *iter)
808 {
809 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
810
811 // This happens when clearing the view by calling .._set_model( NULL );
812 if (iter->stamp == 0) return FALSE;
813
814 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
815 g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
816
817 return wxtree_model->internal->iter_next( iter );
818 }
819
820 static gboolean
821 wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
822 GtkTreeIter *iter,
823 GtkTreeIter *parent)
824 {
825 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
826 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
827 if (parent)
828 {
829 g_return_val_if_fail (wxtree_model->stamp == parent->stamp, FALSE);
830 }
831
832 return wxtree_model->internal->iter_children( iter, parent );
833 }
834
835 static gboolean
836 wxgtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
837 GtkTreeIter *iter)
838 {
839 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
840 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
841 g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
842
843 return wxtree_model->internal->iter_has_child( iter );
844 }
845
846 static gint
847 wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
848 GtkTreeIter *iter)
849 {
850 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
851 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
852 g_return_val_if_fail ( !iter || wxtree_model->stamp == iter->stamp, 0);
853
854 return wxtree_model->internal->iter_n_children( iter );
855 }
856
857 static gboolean
858 wxgtk_tree_model_iter_nth_child (GtkTreeModel *tree_model,
859 GtkTreeIter *iter,
860 GtkTreeIter *parent,
861 gint n)
862 {
863 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
864 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
865
866 return wxtree_model->internal->iter_nth_child( iter, parent, n );
867 }
868
869 static gboolean
870 wxgtk_tree_model_iter_parent (GtkTreeModel *tree_model,
871 GtkTreeIter *iter,
872 GtkTreeIter *child)
873 {
874 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
875 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
876 g_return_val_if_fail (wxtree_model->stamp == child->stamp, FALSE);
877
878 return wxtree_model->internal->iter_parent( iter, child );
879 }
880
881 /* drag'n'drop iface */
882 static gboolean
883 wxgtk_tree_model_row_draggable (GtkTreeDragSource *drag_source,
884 GtkTreePath *path)
885 {
886 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
887 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
888
889 return wxtree_model->internal->row_draggable( drag_source, path );
890 }
891
892 static gboolean
893 wxgtk_tree_model_drag_data_delete (GtkTreeDragSource *drag_source,
894 GtkTreePath *path)
895 {
896 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
897 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
898
899 return wxtree_model->internal->drag_data_delete( drag_source, path );
900 }
901
902 static gboolean
903 wxgtk_tree_model_drag_data_get (GtkTreeDragSource *drag_source,
904 GtkTreePath *path,
905 GtkSelectionData *selection_data)
906 {
907 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
908 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
909
910 #if 0
911 wxPrintf( "drag_get_data\n");
912
913 wxGtkString atom_selection(gdk_atom_name(selection_data->selection));
914 wxPrintf( "selection %s\n", wxString::FromAscii(atom_selection) );
915
916 wxGtkString atom_target(gdk_atom_name(selection_data->target));
917 wxPrintf( "target %s\n", wxString::FromAscii(atom_target) );
918
919 wxGtkString atom_type(gdk_atom_name(selection_data->type));
920 wxPrintf( "type %s\n", wxString::FromAscii(atom_type) );
921
922 wxPrintf( "format %d\n", selection_data->format );
923 #endif
924
925 return wxtree_model->internal->drag_data_get( drag_source, path, selection_data );
926 }
927
928 static gboolean
929 wxgtk_tree_model_drag_data_received (GtkTreeDragDest *drag_dest,
930 GtkTreePath *dest,
931 GtkSelectionData *selection_data)
932 {
933 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
934 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
935
936 return wxtree_model->internal->drag_data_received( drag_dest, dest, selection_data );
937 }
938
939 static gboolean
940 wxgtk_tree_model_row_drop_possible (GtkTreeDragDest *drag_dest,
941 GtkTreePath *dest_path,
942 GtkSelectionData *selection_data)
943 {
944 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
945 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
946
947 return wxtree_model->internal->row_drop_possible( drag_dest, dest_path, selection_data );
948 }
949
950 /* sortable iface */
951 static gboolean
952 wxgtk_tree_model_get_sort_column_id (GtkTreeSortable *sortable,
953 gint *sort_column_id,
954 GtkSortType *order)
955 {
956 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) sortable;
957
958 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE);
959
960 if (!wxtree_model->internal->IsSorted())
961 {
962 if (sort_column_id)
963 *sort_column_id = -1;
964
965 return TRUE;
966 }
967
968
969 if (sort_column_id)
970 *sort_column_id = wxtree_model->internal->GetSortColumn();
971
972 if (order)
973 *order = wxtree_model->internal->GetSortOrder();
974
975 return TRUE;
976 }
977
978 wxDataViewColumn *gs_lastLeftClickHeader = NULL;
979
980 static void
981 wxgtk_tree_model_set_sort_column_id (GtkTreeSortable *sortable,
982 gint sort_column_id,
983 GtkSortType order)
984 {
985 GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
986 g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
987
988 tree_model->internal->SetDataViewSortColumn( gs_lastLeftClickHeader );
989
990 if ((sort_column_id != (gint) tree_model->internal->GetSortColumn()) ||
991 (order != tree_model->internal->GetSortOrder()))
992 {
993 tree_model->internal->SetSortColumn( sort_column_id );
994 tree_model->internal->SetSortOrder( order );
995
996 gtk_tree_sortable_sort_column_changed (sortable);
997
998 tree_model->internal->GetDataViewModel()->Resort();
999 }
1000
1001 if (gs_lastLeftClickHeader)
1002 {
1003 wxDataViewCtrl *dv = tree_model->internal->GetOwner();
1004 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, dv->GetId() );
1005 event.SetDataViewColumn( gs_lastLeftClickHeader );
1006 event.SetModel( dv->GetModel() );
1007 dv->HandleWindowEvent( event );
1008 }
1009
1010 gs_lastLeftClickHeader = NULL;
1011 }
1012
1013 static void
1014 wxgtk_tree_model_set_sort_func (GtkTreeSortable *sortable,
1015 gint WXUNUSED(sort_column_id),
1016 GtkTreeIterCompareFunc func,
1017 gpointer WXUNUSED(data),
1018 GDestroyNotify WXUNUSED(destroy))
1019 {
1020 g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
1021 g_return_if_fail (func != NULL);
1022 }
1023
1024 static void
1025 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable *sortable,
1026 GtkTreeIterCompareFunc func,
1027 gpointer WXUNUSED(data),
1028 GDestroyNotify WXUNUSED(destroy))
1029 {
1030 g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
1031 g_return_if_fail (func != NULL);
1032
1033 //wxPrintf( "wxgtk_tree_model_set_default_sort_func\n" );
1034 // TODO: remove this code
1035 }
1036
1037 static gboolean
1038 wxgtk_tree_model_has_default_sort_func (GtkTreeSortable *sortable)
1039 {
1040 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE );
1041
1042 return FALSE;
1043 }
1044
1045 //-----------------------------------------------------------------------------
1046 // define new GTK+ class GtkWxRendererText
1047 //-----------------------------------------------------------------------------
1048
1049 extern "C" {
1050
1051 #define GTK_TYPE_WX_CELL_RENDERER_TEXT (gtk_wx_cell_renderer_text_get_type ())
1052 #define GTK_WX_CELL_RENDERER_TEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererText))
1053 #define GTK_IS_WX_CELL_RENDERER_TEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT))
1054 #define GTK_IS_WX_CELL_RENDERER_TEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER_TEXT))
1055
1056 GType gtk_wx_cell_renderer_text_get_type (void);
1057
1058 typedef struct _GtkWxCellRendererText GtkWxCellRendererText;
1059
1060 struct _GtkWxCellRendererText
1061 {
1062 GtkCellRendererText parent;
1063
1064 wxDataViewRenderer *wx_renderer;
1065 };
1066
1067 static GtkWxCellRendererText *gtk_wx_cell_renderer_text_new (void);
1068 static void gtk_wx_cell_renderer_text_init (
1069 GTypeInstance* instance, void*);
1070 static void gtk_wx_cell_renderer_text_class_init(
1071 void* klass, void*);
1072 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
1073 GtkCellRenderer *cell,
1074 GdkEvent *event,
1075 GtkWidget *widget,
1076 const gchar *path,
1077 GdkRectangle *background_area,
1078 GdkRectangle *cell_area,
1079 GtkCellRendererState flags );
1080
1081
1082 static GObjectClass *text_cell_parent_class = NULL;
1083
1084 } // extern "C"
1085
1086 GType
1087 gtk_wx_cell_renderer_text_get_type (void)
1088 {
1089 static GType cell_wx_type = 0;
1090
1091 if (!cell_wx_type)
1092 {
1093 const GTypeInfo cell_wx_info =
1094 {
1095 sizeof (GtkCellRendererTextClass),
1096 NULL, /* base_init */
1097 NULL, /* base_finalize */
1098 gtk_wx_cell_renderer_text_class_init,
1099 NULL, /* class_finalize */
1100 NULL, /* class_data */
1101 sizeof (GtkWxCellRendererText),
1102 0, /* n_preallocs */
1103 gtk_wx_cell_renderer_text_init,
1104 };
1105
1106 cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER_TEXT,
1107 "GtkWxCellRendererText", &cell_wx_info, (GTypeFlags)0 );
1108 }
1109
1110 return cell_wx_type;
1111 }
1112
1113 static void
1114 gtk_wx_cell_renderer_text_init(GTypeInstance* instance, void*)
1115 {
1116 GtkWxCellRendererText* cell = GTK_WX_CELL_RENDERER_TEXT(instance);
1117 cell->wx_renderer = NULL;
1118 }
1119
1120 static void
1121 gtk_wx_cell_renderer_text_class_init(void* klass, void*)
1122 {
1123 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
1124
1125 text_cell_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
1126
1127 cell_class->start_editing = gtk_wx_cell_renderer_text_start_editing;
1128 }
1129
1130 GtkWxCellRendererText*
1131 gtk_wx_cell_renderer_text_new (void)
1132 {
1133 return (GtkWxCellRendererText*) g_object_new (GTK_TYPE_WX_CELL_RENDERER_TEXT, NULL);
1134 }
1135
1136 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
1137 GtkCellRenderer *gtk_renderer,
1138 GdkEvent *gdk_event,
1139 GtkWidget *widget,
1140 const gchar *path,
1141 GdkRectangle *background_area,
1142 GdkRectangle *cell_area,
1143 GtkCellRendererState flags )
1144 {
1145 GtkWxCellRendererText *wxgtk_renderer = (GtkWxCellRendererText *) gtk_renderer;
1146 wxDataViewRenderer *wx_renderer = wxgtk_renderer->wx_renderer;
1147 wxDataViewColumn *column = wx_renderer->GetOwner();
1148
1149 wxDataViewItem
1150 item(column->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));
1151
1152 wxDataViewCtrl *dv = column->GetOwner();
1153 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING, dv->GetId() );
1154 event.SetDataViewColumn( column );
1155 event.SetModel( dv->GetModel() );
1156 event.SetColumn( column->GetModelColumn() );
1157 event.SetItem( item );
1158 dv->HandleWindowEvent( event );
1159
1160 if (event.IsAllowed())
1161 return GTK_CELL_RENDERER_CLASS(text_cell_parent_class)->
1162 start_editing( gtk_renderer, gdk_event, widget, path, background_area, cell_area, flags );
1163 else
1164 return NULL;
1165 }
1166
1167 //-----------------------------------------------------------------------------
1168 // define new GTK+ class GtkWxCellRenderer
1169 //-----------------------------------------------------------------------------
1170
1171 extern "C" {
1172
1173 #define GTK_TYPE_WX_CELL_RENDERER (gtk_wx_cell_renderer_get_type ())
1174 #define GTK_WX_CELL_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRenderer))
1175 #define GTK_IS_WX_CELL_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER))
1176 #define GTK_IS_WX_CELL_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER))
1177
1178 GType gtk_wx_cell_renderer_get_type (void);
1179
1180 typedef struct _GtkWxCellRenderer GtkWxCellRenderer;
1181
1182 struct _GtkWxCellRenderer
1183 {
1184 GtkCellRenderer parent;
1185
1186 /*< private >*/
1187 wxDataViewCustomRenderer *cell;
1188 };
1189
1190 static GtkCellRenderer *gtk_wx_cell_renderer_new (void);
1191 static void gtk_wx_cell_renderer_init (
1192 GTypeInstance* instance, void*);
1193 static void gtk_wx_cell_renderer_class_init(
1194 void* klass, void*);
1195 static void gtk_wx_cell_renderer_get_size (
1196 GtkCellRenderer *cell,
1197 GtkWidget *widget,
1198 GdkRectangle *rectangle,
1199 gint *x_offset,
1200 gint *y_offset,
1201 gint *width,
1202 gint *height );
1203 static void gtk_wx_cell_renderer_render (
1204 GtkCellRenderer *cell,
1205 GdkWindow *window,
1206 GtkWidget *widget,
1207 GdkRectangle *background_area,
1208 GdkRectangle *cell_area,
1209 GdkRectangle *expose_area,
1210 GtkCellRendererState flags );
1211 static gboolean gtk_wx_cell_renderer_activate(
1212 GtkCellRenderer *cell,
1213 GdkEvent *event,
1214 GtkWidget *widget,
1215 const gchar *path,
1216 GdkRectangle *background_area,
1217 GdkRectangle *cell_area,
1218 GtkCellRendererState flags );
1219 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
1220 GtkCellRenderer *cell,
1221 GdkEvent *event,
1222 GtkWidget *widget,
1223 const gchar *path,
1224 GdkRectangle *background_area,
1225 GdkRectangle *cell_area,
1226 GtkCellRendererState flags );
1227
1228 } // extern "C"
1229
1230 GType
1231 gtk_wx_cell_renderer_get_type (void)
1232 {
1233 static GType cell_wx_type = 0;
1234
1235 if (!cell_wx_type)
1236 {
1237 const GTypeInfo cell_wx_info =
1238 {
1239 sizeof (GtkCellRendererClass),
1240 NULL, /* base_init */
1241 NULL, /* base_finalize */
1242 gtk_wx_cell_renderer_class_init,
1243 NULL, /* class_finalize */
1244 NULL, /* class_data */
1245 sizeof (GtkWxCellRenderer),
1246 0, /* n_preallocs */
1247 gtk_wx_cell_renderer_init,
1248 };
1249
1250 cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER,
1251 "GtkWxCellRenderer", &cell_wx_info, (GTypeFlags)0 );
1252 }
1253
1254 return cell_wx_type;
1255 }
1256
1257 static void
1258 gtk_wx_cell_renderer_init(GTypeInstance* instance, void*)
1259 {
1260 GtkWxCellRenderer* cell = GTK_WX_CELL_RENDERER(instance);
1261 cell->cell = NULL;
1262 }
1263
1264 static void
1265 gtk_wx_cell_renderer_class_init(void* klass, void*)
1266 {
1267 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
1268
1269 cell_class->get_size = gtk_wx_cell_renderer_get_size;
1270 cell_class->render = gtk_wx_cell_renderer_render;
1271 cell_class->activate = gtk_wx_cell_renderer_activate;
1272 cell_class->start_editing = gtk_wx_cell_renderer_start_editing;
1273 }
1274
1275 GtkCellRenderer*
1276 gtk_wx_cell_renderer_new (void)
1277 {
1278 return (GtkCellRenderer*) g_object_new (GTK_TYPE_WX_CELL_RENDERER, NULL);
1279 }
1280
1281 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
1282 GtkCellRenderer *renderer,
1283 GdkEvent *WXUNUSED(event),
1284 GtkWidget *widget,
1285 const gchar *path,
1286 GdkRectangle *WXUNUSED(background_area),
1287 GdkRectangle *cell_area,
1288 GtkCellRendererState WXUNUSED(flags) )
1289 {
1290 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1291 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1292
1293 // Renderer doesn't support in-place editing
1294 if (!cell->HasEditorCtrl())
1295 return NULL;
1296
1297 // An in-place editing control is still around
1298 if (cell->GetEditorCtrl())
1299 return NULL;
1300
1301 GdkRectangle rect;
1302 gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
1303 &rect.x,
1304 &rect.y,
1305 &rect.width,
1306 &rect.height);
1307
1308 rect.x += cell_area->x;
1309 rect.y += cell_area->y;
1310 // rect.width -= renderer->xpad * 2;
1311 // rect.height -= renderer->ypad * 2;
1312
1313 // wxRect renderrect(wxRectFromGDKRect(&rect));
1314 wxRect renderrect(wxRectFromGDKRect(cell_area));
1315
1316 wxDataViewItem
1317 item(cell->GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));
1318
1319 cell->StartEditing( item, renderrect );
1320
1321 return NULL;
1322 }
1323
1324 static void
1325 gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
1326 GtkWidget *WXUNUSED(widget),
1327 GdkRectangle *cell_area,
1328 gint *x_offset,
1329 gint *y_offset,
1330 gint *width,
1331 gint *height)
1332 {
1333 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1334 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1335
1336 wxSize size = cell->GetSize();
1337
1338 wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
1339
1340 // Uniform row height, if specified, overrides the value returned by the
1341 // renderer.
1342 if ( !ctrl->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
1343 {
1344 const int uniformHeight = ctrl->GTKGetUniformRowHeight();
1345 if ( uniformHeight > 0 )
1346 size.y = uniformHeight;
1347 }
1348
1349 int xpad, ypad;
1350 gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1351 int calc_width = xpad * 2 + size.x;
1352 int calc_height = ypad * 2 + size.y;
1353
1354 if (x_offset)
1355 *x_offset = 0;
1356 if (y_offset)
1357 *y_offset = 0;
1358
1359 if (cell_area && size.x > 0 && size.y > 0)
1360 {
1361 float xalign, yalign;
1362 gtk_cell_renderer_get_alignment(renderer, &xalign, &yalign);
1363 if (x_offset)
1364 {
1365 *x_offset = int(xalign * (cell_area->width - calc_width - 2 * xpad));
1366 *x_offset = MAX(*x_offset, 0) + xpad;
1367 }
1368 if (y_offset)
1369 {
1370 *y_offset = int(yalign * (cell_area->height - calc_height - 2 * ypad));
1371 *y_offset = MAX(*y_offset, 0) + ypad;
1372 }
1373 }
1374
1375 if (width)
1376 *width = calc_width;
1377
1378 if (height)
1379 *height = calc_height;
1380 }
1381
1382 struct wxDataViewCustomRenderer::GTKRenderParams
1383 {
1384 GdkWindow* window;
1385 GdkRectangle* expose_area;
1386 GtkWidget* widget;
1387 GdkRectangle* background_area;
1388 int flags;
1389 };
1390
1391 static void
1392 gtk_wx_cell_renderer_render (GtkCellRenderer *renderer,
1393 GdkWindow *window,
1394 GtkWidget *widget,
1395 GdkRectangle *background_area,
1396 GdkRectangle *cell_area,
1397 GdkRectangle *expose_area,
1398 GtkCellRendererState flags)
1399
1400 {
1401 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1402 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1403
1404 wxDataViewCustomRenderer::GTKRenderParams renderParams;
1405 renderParams.window = window;
1406 renderParams.expose_area = expose_area;
1407 renderParams.widget = widget;
1408 renderParams.background_area = background_area;
1409 renderParams.flags = flags;
1410 cell->GTKSetRenderParams(&renderParams);
1411
1412 wxRect rect(wxRectFromGDKRect(cell_area));
1413 int xpad, ypad;
1414 gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1415 rect = rect.Deflate(xpad, ypad);
1416
1417 wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
1418 wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();
1419
1420 // Reinitialize wxWindowDC's GDK window if drawing occurs into a different
1421 // window such as a DnD drop window.
1422 if (window != impl->m_gdkwindow)
1423 {
1424 impl->Destroy();
1425 impl->m_gdkwindow = window;
1426 impl->SetUpDC();
1427 }
1428
1429 int state = 0;
1430 if (flags & GTK_CELL_RENDERER_SELECTED)
1431 state |= wxDATAVIEW_CELL_SELECTED;
1432 if (flags & GTK_CELL_RENDERER_PRELIT)
1433 state |= wxDATAVIEW_CELL_PRELIT;
1434 if (flags & GTK_CELL_RENDERER_INSENSITIVE)
1435 state |= wxDATAVIEW_CELL_INSENSITIVE;
1436 if (flags & GTK_CELL_RENDERER_INSENSITIVE)
1437 state |= wxDATAVIEW_CELL_INSENSITIVE;
1438 if (flags & GTK_CELL_RENDERER_FOCUSED)
1439 state |= wxDATAVIEW_CELL_FOCUSED;
1440 cell->WXCallRender( rect, dc, state );
1441
1442 cell->GTKSetRenderParams(NULL);
1443 }
1444
1445 static gboolean
1446 gtk_wx_cell_renderer_activate(
1447 GtkCellRenderer *renderer,
1448 GdkEvent *event,
1449 GtkWidget *widget,
1450 const gchar *path,
1451 GdkRectangle *WXUNUSED(background_area),
1452 GdkRectangle *cell_area,
1453 GtkCellRendererState WXUNUSED(flags) )
1454 {
1455 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1456 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1457
1458 GdkRectangle rect;
1459 gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
1460 &rect.x,
1461 &rect.y,
1462 &rect.width,
1463 &rect.height);
1464
1465 rect.x += cell_area->x;
1466 rect.y += cell_area->y;
1467 int xpad, ypad;
1468 gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1469 rect.width -= xpad * 2;
1470 rect.height -= ypad * 2;
1471
1472 wxRect renderrect(wxRectFromGDKRect(&rect));
1473
1474 wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
1475 wxDataViewModel *model = ctrl->GetModel();
1476
1477 wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));
1478
1479 unsigned int model_col = cell->GetOwner()->GetModelColumn();
1480
1481 if ( !event )
1482 {
1483 // activated by <ENTER>
1484 return cell->ActivateCell(renderrect, model, item, model_col, NULL);
1485 }
1486 else if ( event->type == GDK_BUTTON_PRESS )
1487 {
1488 GdkEventButton *button_event = (GdkEventButton*)event;
1489 if ( button_event->button == 1 )
1490 {
1491 wxMouseEvent mouse_event(wxEVT_LEFT_DOWN);
1492 InitMouseEvent(ctrl, mouse_event, button_event);
1493
1494 mouse_event.m_x -= renderrect.x;
1495 mouse_event.m_y -= renderrect.y;
1496
1497 return cell->ActivateCell(renderrect, model, item, model_col, &mouse_event);
1498 }
1499 }
1500
1501 wxLogDebug("unexpected event type in gtk_wx_cell_renderer_activate()");
1502 return false;
1503 }
1504
1505 // ---------------------------------------------------------
1506 // wxGtkDataViewModelNotifier
1507 // ---------------------------------------------------------
1508
1509 class wxGtkDataViewModelNotifier: public wxDataViewModelNotifier
1510 {
1511 public:
1512 wxGtkDataViewModelNotifier( wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal );
1513 ~wxGtkDataViewModelNotifier();
1514
1515 virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
1516 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
1517 virtual bool ItemChanged( const wxDataViewItem &item );
1518 virtual bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
1519 virtual bool Cleared();
1520 virtual void Resort();
1521 virtual bool BeforeReset();
1522 virtual bool AfterReset();
1523
1524 void UpdateLastCount();
1525
1526 private:
1527 wxDataViewModel *m_wx_model;
1528 wxDataViewCtrlInternal *m_internal;
1529 };
1530
1531 // ---------------------------------------------------------
1532 // wxGtkDataViewListModelNotifier
1533 // ---------------------------------------------------------
1534
1535 wxGtkDataViewModelNotifier::wxGtkDataViewModelNotifier(
1536 wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal )
1537 {
1538 m_wx_model = wx_model;
1539 m_internal = internal;
1540 }
1541
1542 wxGtkDataViewModelNotifier::~wxGtkDataViewModelNotifier()
1543 {
1544 m_wx_model = NULL;
1545 m_internal = NULL;
1546 }
1547
1548 bool wxGtkDataViewModelNotifier::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
1549 {
1550 m_internal->ItemAdded( parent, item );
1551 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1552
1553 GtkTreeIter iter;
1554 iter.stamp = wxgtk_model->stamp;
1555 iter.user_data = item.GetID();
1556
1557 wxGtkTreePath path(wxgtk_tree_model_get_path(
1558 GTK_TREE_MODEL(wxgtk_model), &iter ));
1559 gtk_tree_model_row_inserted(
1560 GTK_TREE_MODEL(wxgtk_model), path, &iter);
1561
1562 return true;
1563 }
1564
1565 bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
1566 {
1567 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1568 #if 0
1569 // using _get_path for a deleted item cannot be
1570 // a good idea
1571 GtkTreeIter iter;
1572 iter.stamp = wxgtk_model->stamp;
1573 iter.user_data = (gpointer) item.GetID();
1574 wxGtkTreePath path(wxgtk_tree_model_get_path(
1575 GTK_TREE_MODEL(wxgtk_model), &iter ));
1576 #else
1577 // so get the path from the parent
1578 GtkTreeIter parentIter;
1579 parentIter.stamp = wxgtk_model->stamp;
1580 parentIter.user_data = (gpointer) parent.GetID();
1581 wxGtkTreePath parentPath(wxgtk_tree_model_get_path(
1582 GTK_TREE_MODEL(wxgtk_model), &parentIter ));
1583
1584 // and add the final index ourselves
1585 wxGtkTreePath path(gtk_tree_path_copy(parentPath));
1586 int index = m_internal->GetIndexOf( parent, item );
1587 gtk_tree_path_append_index( path, index );
1588 #endif
1589
1590 gtk_tree_model_row_deleted(
1591 GTK_TREE_MODEL(wxgtk_model), path );
1592
1593 m_internal->ItemDeleted( parent, item );
1594
1595 // Did we remove the last child, causing 'parent' to become a leaf?
1596 if ( !m_wx_model->IsContainer(parent) )
1597 {
1598 gtk_tree_model_row_has_child_toggled
1599 (
1600 GTK_TREE_MODEL(wxgtk_model),
1601 parentPath,
1602 &parentIter
1603 );
1604 }
1605
1606 return true;
1607 }
1608
1609 void wxGtkDataViewModelNotifier::Resort()
1610 {
1611 m_internal->Resort();
1612 }
1613
1614 bool wxGtkDataViewModelNotifier::ItemChanged( const wxDataViewItem &item )
1615 {
1616 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1617
1618 GtkTreeIter iter;
1619 iter.stamp = wxgtk_model->stamp;
1620 iter.user_data = (gpointer) item.GetID();
1621
1622 wxGtkTreePath path(wxgtk_tree_model_get_path(
1623 GTK_TREE_MODEL(wxgtk_model), &iter ));
1624 gtk_tree_model_row_changed(
1625 GTK_TREE_MODEL(wxgtk_model), path, &iter );
1626
1627 m_internal->ItemChanged( item );
1628
1629 return true;
1630 }
1631
1632 bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_column )
1633 {
1634 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1635 wxDataViewCtrl *ctrl = m_internal->GetOwner();
1636
1637 // This adds GTK+'s missing MVC logic for ValueChanged
1638 unsigned int index;
1639 for (index = 0; index < ctrl->GetColumnCount(); index++)
1640 {
1641 wxDataViewColumn *column = ctrl->GetColumn( index );
1642 if (column->GetModelColumn() == model_column)
1643 {
1644 GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
1645 GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
1646
1647 // Don't attempt to refresh not yet realized tree, it is useless
1648 // and results in GTK errors.
1649 if ( gtk_widget_get_realized(ctrl->GtkGetTreeView()) )
1650 {
1651 // Get cell area
1652 GtkTreeIter iter;
1653 iter.stamp = wxgtk_model->stamp;
1654 iter.user_data = (gpointer) item.GetID();
1655 wxGtkTreePath path(wxgtk_tree_model_get_path(
1656 GTK_TREE_MODEL(wxgtk_model), &iter ));
1657 GdkRectangle cell_area;
1658 gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );
1659
1660 GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
1661 double d = gtk_adjustment_get_value( hadjust );
1662 int xdiff = (int) d;
1663
1664 int ydiff = gcolumn->button->allocation.height;
1665 // Redraw
1666 gtk_widget_queue_draw_area( GTK_WIDGET(widget),
1667 cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
1668 }
1669
1670 m_internal->ValueChanged( item, model_column );
1671
1672 return true;
1673 }
1674 }
1675
1676 return false;
1677 }
1678
1679 bool wxGtkDataViewModelNotifier::BeforeReset()
1680 {
1681 GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1682 gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), NULL );
1683
1684 return true;
1685 }
1686
1687 bool wxGtkDataViewModelNotifier::AfterReset()
1688 {
1689 GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1690 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1691
1692 m_internal->Cleared();
1693
1694 gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), GTK_TREE_MODEL(wxgtk_model) );
1695
1696 return true;
1697 }
1698
1699 bool wxGtkDataViewModelNotifier::Cleared()
1700 {
1701 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1702
1703 // There is no call to tell the model that everything
1704 // has been deleted so call row_deleted() for every
1705 // child of root...
1706
1707 int count = m_internal->iter_n_children( NULL ); // number of children of root
1708
1709 GtkTreePath *path = gtk_tree_path_new_first(); // points to root
1710
1711 int i;
1712 for (i = 0; i < count; i++)
1713 gtk_tree_model_row_deleted( GTK_TREE_MODEL(wxgtk_model), path );
1714
1715 gtk_tree_path_free( path );
1716
1717 m_internal->Cleared();
1718
1719 return true;
1720 }
1721
1722 // ---------------------------------------------------------
1723 // wxDataViewRenderer
1724 // ---------------------------------------------------------
1725
1726 static gpointer s_user_data = NULL;
1727
1728 static void
1729 wxgtk_cell_editable_editing_done( GtkCellEditable *WXUNUSED(editable),
1730 wxDataViewRenderer *wxrenderer )
1731 {
1732 wxDataViewColumn *column = wxrenderer->GetOwner();
1733 wxDataViewCtrl *dv = column->GetOwner();
1734 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, dv->GetId() );
1735 event.SetDataViewColumn( column );
1736 event.SetModel( dv->GetModel() );
1737 wxDataViewItem item( s_user_data );
1738 event.SetItem( item );
1739 dv->HandleWindowEvent( event );
1740 }
1741
1742 static void
1743 wxgtk_renderer_editing_started( GtkCellRenderer *WXUNUSED(cell), GtkCellEditable *editable,
1744 gchar *path, wxDataViewRenderer *wxrenderer )
1745 {
1746 if (!editable)
1747 return;
1748
1749 wxDataViewColumn *column = wxrenderer->GetOwner();
1750 wxDataViewCtrl *dv = column->GetOwner();
1751 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv->GetId() );
1752 event.SetDataViewColumn( column );
1753 event.SetModel( dv->GetModel() );
1754 wxDataViewItem item(dv->GTKPathToItem(wxGtkTreePath(path)));
1755 event.SetItem( item );
1756 dv->HandleWindowEvent( event );
1757
1758 if (GTK_IS_CELL_EDITABLE(editable))
1759 {
1760 s_user_data = item.GetID();
1761
1762 g_signal_connect (GTK_CELL_EDITABLE (editable), "editing_done",
1763 G_CALLBACK (wxgtk_cell_editable_editing_done),
1764 (gpointer) wxrenderer );
1765
1766 }
1767 }
1768
1769
1770 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
1771
1772 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype, wxDataViewCellMode mode,
1773 int align ) :
1774 wxDataViewRendererBase( varianttype, mode, align )
1775 {
1776 m_renderer = NULL;
1777 m_mode = mode;
1778
1779 // we haven't changed them yet
1780 m_usingDefaultAttrs = true;
1781
1782 // NOTE: SetMode() and SetAlignment() needs to be called in the renderer's ctor,
1783 // after the m_renderer pointer has been initialized
1784 }
1785
1786 void wxDataViewRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
1787 {
1788 gtk_tree_view_column_pack_end( column, m_renderer, TRUE /* expand */);
1789 }
1790
1791 void wxDataViewRenderer::GtkInitHandlers()
1792 {
1793 if (!gtk_check_version(2,6,0))
1794 {
1795 g_signal_connect (GTK_CELL_RENDERER(m_renderer), "editing_started",
1796 G_CALLBACK (wxgtk_renderer_editing_started),
1797 this);
1798 }
1799 }
1800
1801 void wxDataViewRenderer::SetMode( wxDataViewCellMode mode )
1802 {
1803 GtkCellRendererMode gtkMode;
1804 switch (mode)
1805 {
1806 case wxDATAVIEW_CELL_INERT:
1807 gtkMode = GTK_CELL_RENDERER_MODE_INERT;
1808 break;
1809
1810 case wxDATAVIEW_CELL_ACTIVATABLE:
1811 gtkMode = GTK_CELL_RENDERER_MODE_ACTIVATABLE;
1812 break;
1813
1814 case wxDATAVIEW_CELL_EDITABLE:
1815 gtkMode = GTK_CELL_RENDERER_MODE_EDITABLE;
1816 break;
1817
1818 default:
1819 wxFAIL_MSG( "unknown wxDataViewCellMode value" );
1820 return;
1821 }
1822
1823 m_mode = mode;
1824
1825 // This value is most often ignored in GtkTreeView
1826 GValue gvalue = { 0, };
1827 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
1828 g_value_set_enum( &gvalue, gtkMode );
1829 g_object_set_property( G_OBJECT(m_renderer), "mode", &gvalue );
1830 g_value_unset( &gvalue );
1831 }
1832
1833 wxDataViewCellMode wxDataViewRenderer::GetMode() const
1834 {
1835 wxDataViewCellMode ret;
1836
1837 GValue gvalue;
1838 g_object_get( G_OBJECT(m_renderer), "mode", &gvalue, NULL);
1839
1840 switch (g_value_get_enum(&gvalue))
1841 {
1842 default:
1843 wxFAIL_MSG( "unknown GtkCellRendererMode value" );
1844 // fall through (we have to return something)
1845
1846 case GTK_CELL_RENDERER_MODE_INERT:
1847 ret = wxDATAVIEW_CELL_INERT;
1848 break;
1849
1850 case GTK_CELL_RENDERER_MODE_ACTIVATABLE:
1851 ret = wxDATAVIEW_CELL_ACTIVATABLE;
1852 break;
1853
1854 case GTK_CELL_RENDERER_MODE_EDITABLE:
1855 ret = wxDATAVIEW_CELL_EDITABLE;
1856 break;
1857 }
1858
1859 g_value_unset( &gvalue );
1860
1861 return ret;
1862 }
1863
1864 void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)
1865 {
1866 int align = m_alignment;
1867
1868 // query alignment from column ?
1869 if (align == -1)
1870 {
1871 // None there yet
1872 if (GetOwner() == NULL)
1873 return;
1874
1875 align = GetOwner()->GetAlignment();
1876 align |= wxALIGN_CENTRE_VERTICAL;
1877 }
1878
1879 // horizontal alignment:
1880
1881 gfloat xalign = 0.0;
1882 if (align & wxALIGN_RIGHT)
1883 xalign = 1.0;
1884 else if (align & wxALIGN_CENTER_HORIZONTAL)
1885 xalign = 0.5;
1886
1887 GValue gvalue = { 0, };
1888 g_value_init( &gvalue, G_TYPE_FLOAT );
1889 g_value_set_float( &gvalue, xalign );
1890 g_object_set_property( G_OBJECT(renderer), "xalign", &gvalue );
1891 g_value_unset( &gvalue );
1892
1893 // vertical alignment:
1894
1895 gfloat yalign = 0.0;
1896 if (align & wxALIGN_BOTTOM)
1897 yalign = 1.0;
1898 else if (align & wxALIGN_CENTER_VERTICAL)
1899 yalign = 0.5;
1900
1901 GValue gvalue2 = { 0, };
1902 g_value_init( &gvalue2, G_TYPE_FLOAT );
1903 g_value_set_float( &gvalue2, yalign );
1904 g_object_set_property( G_OBJECT(renderer), "yalign", &gvalue2 );
1905 g_value_unset( &gvalue2 );
1906 }
1907
1908 void wxDataViewRenderer::SetAlignment( int align )
1909 {
1910 m_alignment = align;
1911 GtkUpdateAlignment();
1912 }
1913
1914 int wxDataViewRenderer::GetAlignment() const
1915 {
1916 return m_alignment;
1917 }
1918
1919 void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
1920 {
1921 #ifdef __WXGTK26__
1922 if ( gtk_check_version(2, 6, 0) != NULL )
1923 return;
1924
1925 GtkCellRendererText * const rend = GtkGetTextRenderer();
1926 if ( !rend )
1927 return;
1928
1929 // we use the same values in wxEllipsizeMode as PangoEllipsizeMode so we
1930 // can just cast between them
1931 GValue gvalue = { 0, };
1932 g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1933 g_value_set_enum( &gvalue, static_cast<PangoEllipsizeMode>(mode) );
1934 g_object_set_property( G_OBJECT(rend), "ellipsize", &gvalue );
1935 g_value_unset( &gvalue );
1936 #else // GTK < 2.6
1937 wxUnusedVar(mode);
1938 #endif // GTK 2.6/before
1939 }
1940
1941 wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
1942 {
1943 #ifdef __WXGTK26__
1944 if ( gtk_check_version(2, 6, 0) != NULL )
1945 return wxELLIPSIZE_NONE;
1946
1947 GtkCellRendererText * const rend = GtkGetTextRenderer();
1948 if ( !rend )
1949 return wxELLIPSIZE_NONE;
1950
1951 GValue gvalue = { 0, };
1952 g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1953 g_object_get_property( G_OBJECT(rend), "ellipsize", &gvalue );
1954 wxEllipsizeMode
1955 mode = static_cast<wxEllipsizeMode>(g_value_get_enum( &gvalue ));
1956 g_value_unset( &gvalue );
1957
1958 return mode;
1959 #else // GTK < 2.6
1960 return wxELLIPSIZE_NONE;
1961 #endif // GTK 2.6/before
1962 }
1963
1964 void
1965 wxDataViewRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
1966 {
1967 wxVariant value(str);
1968 if (!Validate( value ))
1969 return;
1970
1971 wxDataViewItem
1972 item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
1973
1974 GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
1975 }
1976
1977 void
1978 wxDataViewRenderer::GtkOnCellChanged(const wxVariant& value,
1979 const wxDataViewItem& item,
1980 unsigned col)
1981 {
1982 wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
1983 model->ChangeValue( value, item, col );
1984 }
1985
1986 // ---------------------------------------------------------
1987 // wxDataViewTextRenderer
1988 // ---------------------------------------------------------
1989
1990 extern "C"
1991 {
1992
1993 static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
1994 gchar *arg1, gchar *arg2, gpointer user_data )
1995 {
1996 wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;
1997
1998 cell->GtkOnTextEdited(arg1, wxGTK_CONV_BACK_FONT(
1999 arg2, cell->GetOwner()->GetOwner()->GetFont()));
2000 }
2001
2002 }
2003
2004 namespace
2005 {
2006
2007 // helper function used by wxDataViewTextRenderer and
2008 // wxDataViewCustomRenderer::RenderText(): it applies the attributes to the
2009 // given text renderer and returns true if anything was done
2010 bool GtkApplyAttr(GtkCellRendererText *renderer, const wxDataViewItemAttr& attr)
2011 {
2012 bool usingDefaultAttrs = true;
2013 if (attr.HasColour())
2014 {
2015 const GdkColor * const gcol = attr.GetColour().GetColor();
2016
2017 GValue gvalue = { 0, };
2018 g_value_init( &gvalue, GDK_TYPE_COLOR );
2019 g_value_set_boxed( &gvalue, gcol );
2020 g_object_set_property( G_OBJECT(renderer), "foreground_gdk", &gvalue );
2021 g_value_unset( &gvalue );
2022
2023 usingDefaultAttrs = false;
2024 }
2025 else
2026 {
2027 GValue gvalue = { 0, };
2028 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2029 g_value_set_boolean( &gvalue, FALSE );
2030 g_object_set_property( G_OBJECT(renderer), "foreground-set", &gvalue );
2031 g_value_unset( &gvalue );
2032 }
2033
2034 if (attr.GetItalic())
2035 {
2036 GValue gvalue = { 0, };
2037 g_value_init( &gvalue, PANGO_TYPE_STYLE );
2038 g_value_set_enum( &gvalue, PANGO_STYLE_ITALIC );
2039 g_object_set_property( G_OBJECT(renderer), "style", &gvalue );
2040 g_value_unset( &gvalue );
2041
2042 usingDefaultAttrs = false;
2043 }
2044 else
2045 {
2046 GValue gvalue = { 0, };
2047 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2048 g_value_set_boolean( &gvalue, FALSE );
2049 g_object_set_property( G_OBJECT(renderer), "style-set", &gvalue );
2050 g_value_unset( &gvalue );
2051 }
2052
2053
2054 if (attr.GetBold())
2055 {
2056 GValue gvalue = { 0, };
2057 g_value_init( &gvalue, PANGO_TYPE_WEIGHT );
2058 g_value_set_enum( &gvalue, PANGO_WEIGHT_BOLD );
2059 g_object_set_property( G_OBJECT(renderer), "weight", &gvalue );
2060 g_value_unset( &gvalue );
2061
2062 usingDefaultAttrs = false;
2063 }
2064 else
2065 {
2066 GValue gvalue = { 0, };
2067 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2068 g_value_set_boolean( &gvalue, FALSE );
2069 g_object_set_property( G_OBJECT(renderer), "weight-set", &gvalue );
2070 g_value_unset( &gvalue );
2071 }
2072
2073 #if 0
2074 if (attr.HasBackgroundColour())
2075 {
2076 wxColour colour = attr.GetBackgroundColour();
2077 const GdkColor * const gcol = colour.GetColor();
2078
2079 GValue gvalue = { 0, };
2080 g_value_init( &gvalue, GDK_TYPE_COLOR );
2081 g_value_set_boxed( &gvalue, gcol );
2082 g_object_set_property( G_OBJECT(renderer), "cell-background_gdk", &gvalue );
2083 g_value_unset( &gvalue );
2084 }
2085 else
2086 {
2087 GValue gvalue = { 0, };
2088 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2089 g_value_set_boolean( &gvalue, FALSE );
2090 g_object_set_property( G_OBJECT(renderer), "cell-background-set", &gvalue );
2091 g_value_unset( &gvalue );
2092 }
2093 #endif
2094
2095 return !usingDefaultAttrs;
2096 }
2097
2098 } // anonymous namespace
2099
2100 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
2101
2102 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2103 int align ) :
2104 wxDataViewRenderer( varianttype, mode, align )
2105 {
2106 GtkWxCellRendererText *text_renderer = gtk_wx_cell_renderer_text_new();
2107 text_renderer->wx_renderer = this;
2108 m_renderer = (GtkCellRenderer*) text_renderer;
2109
2110 if (mode & wxDATAVIEW_CELL_EDITABLE)
2111 {
2112 GValue gvalue = { 0, };
2113 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2114 g_value_set_boolean( &gvalue, true );
2115 g_object_set_property( G_OBJECT(m_renderer), "editable", &gvalue );
2116 g_value_unset( &gvalue );
2117
2118 g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2119
2120 GtkInitHandlers();
2121 }
2122
2123 SetMode(mode);
2124 SetAlignment(align);
2125 }
2126
2127 bool wxDataViewTextRenderer::SetTextValue(const wxString& str)
2128 {
2129 GValue gvalue = { 0, };
2130 g_value_init( &gvalue, G_TYPE_STRING );
2131 g_value_set_string( &gvalue, wxGTK_CONV_FONT( str, GetOwner()->GetOwner()->GetFont() ) );
2132 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2133 g_value_unset( &gvalue );
2134
2135 return true;
2136 }
2137
2138 bool wxDataViewTextRenderer::GetTextValue(wxString& str) const
2139 {
2140 GValue gvalue = { 0, };
2141 g_value_init( &gvalue, G_TYPE_STRING );
2142 g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2143 str = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), const_cast<wxDataViewTextRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );
2144 g_value_unset( &gvalue );
2145
2146 return true;
2147 }
2148
2149 void wxDataViewTextRenderer::SetAlignment( int align )
2150 {
2151 wxDataViewRenderer::SetAlignment(align);
2152
2153 if (gtk_check_version(2,10,0))
2154 return;
2155
2156 // horizontal alignment:
2157 PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2158 if (align & wxALIGN_RIGHT)
2159 pangoAlign = PANGO_ALIGN_RIGHT;
2160 else if (align & wxALIGN_CENTER_HORIZONTAL)
2161 pangoAlign = PANGO_ALIGN_CENTER;
2162
2163 GValue gvalue = { 0, };
2164 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2165 g_value_set_enum( &gvalue, pangoAlign );
2166 g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2167 g_value_unset( &gvalue );
2168 }
2169
2170 bool wxDataViewTextRenderer::GtkSetAttr(const wxDataViewItemAttr& attr)
2171 {
2172 return GtkApplyAttr(GtkGetTextRenderer(), attr);
2173 }
2174
2175 GtkCellRendererText *wxDataViewTextRenderer::GtkGetTextRenderer() const
2176 {
2177 return GTK_CELL_RENDERER_TEXT(m_renderer);
2178 }
2179
2180 // ---------------------------------------------------------
2181 // wxDataViewBitmapRenderer
2182 // ---------------------------------------------------------
2183
2184 namespace
2185 {
2186
2187 // set "pixbuf" property on the given renderer
2188 void SetPixbufProp(GtkCellRenderer *renderer, GdkPixbuf *pixbuf)
2189 {
2190 GValue gvalue = { 0, };
2191 g_value_init( &gvalue, G_TYPE_OBJECT );
2192 g_value_set_object( &gvalue, pixbuf );
2193 g_object_set_property( G_OBJECT(renderer), "pixbuf", &gvalue );
2194 g_value_unset( &gvalue );
2195 }
2196
2197 } // anonymous namespace
2198
2199 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
2200
2201 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2202 int align ) :
2203 wxDataViewRenderer( varianttype, mode, align )
2204 {
2205 m_renderer = gtk_cell_renderer_pixbuf_new();
2206
2207 SetMode(mode);
2208 SetAlignment(align);
2209 }
2210
2211 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
2212 {
2213 if (value.GetType() == wxT("wxBitmap"))
2214 {
2215 wxBitmap bitmap;
2216 bitmap << value;
2217
2218 // GetPixbuf() may create a Pixbuf representation in the wxBitmap
2219 // object (and it will stay there and remain owned by wxBitmap)
2220 SetPixbufProp(m_renderer, bitmap.GetPixbuf());
2221 }
2222 else if (value.GetType() == wxT("wxIcon"))
2223 {
2224 wxIcon icon;
2225 icon << value;
2226
2227 SetPixbufProp(m_renderer, icon.GetPixbuf());
2228 }
2229 else
2230 {
2231 return false;
2232 }
2233
2234 return true;
2235 }
2236
2237 bool wxDataViewBitmapRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2238 {
2239 return false;
2240 }
2241
2242 // ---------------------------------------------------------
2243 // wxDataViewToggleRenderer
2244 // ---------------------------------------------------------
2245
2246 extern "C" {
2247 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2248 gchar *path, gpointer user_data );
2249 }
2250
2251 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2252 gchar *path, gpointer user_data )
2253 {
2254 wxDataViewToggleRenderer *cell = (wxDataViewToggleRenderer*) user_data;
2255
2256 // get old value
2257 GValue gvalue = { 0, };
2258 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2259 g_object_get_property( G_OBJECT(renderer), "active", &gvalue );
2260 bool tmp = g_value_get_boolean( &gvalue );
2261 g_value_unset( &gvalue );
2262 // invert it
2263 tmp = !tmp;
2264
2265 wxVariant value = tmp;
2266 if (!cell->Validate( value ))
2267 return;
2268
2269 wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
2270 wxDataViewModel *model = ctrl->GetModel();
2271
2272 wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));
2273
2274 unsigned int model_col = cell->GetOwner()->GetModelColumn();
2275
2276 model->ChangeValue( value, item, model_col );
2277 }
2278
2279 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
2280
2281 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
2282 wxDataViewCellMode mode, int align ) :
2283 wxDataViewRenderer( varianttype, mode, align )
2284 {
2285 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_toggle_new();
2286
2287 if (mode & wxDATAVIEW_CELL_ACTIVATABLE)
2288 {
2289 g_signal_connect_after( m_renderer, "toggled",
2290 G_CALLBACK(wxGtkToggleRendererToggledCallback), this );
2291 }
2292 else
2293 {
2294 GValue gvalue = { 0, };
2295 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2296 g_value_set_boolean( &gvalue, false );
2297 g_object_set_property( G_OBJECT(m_renderer), "activatable", &gvalue );
2298 g_value_unset( &gvalue );
2299 }
2300
2301 SetMode(mode);
2302 SetAlignment(align);
2303 }
2304
2305 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
2306 {
2307 bool tmp = value;
2308
2309 GValue gvalue = { 0, };
2310 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2311 g_value_set_boolean( &gvalue, tmp );
2312 g_object_set_property( G_OBJECT(m_renderer), "active", &gvalue );
2313 g_value_unset( &gvalue );
2314
2315 return true;
2316 }
2317
2318 bool wxDataViewToggleRenderer::GetValue( wxVariant &value ) const
2319 {
2320 GValue gvalue = { 0, };
2321 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2322 g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );
2323 bool tmp = g_value_get_boolean( &gvalue );
2324 g_value_unset( &gvalue );
2325
2326 value = tmp;
2327
2328 return true;
2329 }
2330
2331 // ---------------------------------------------------------
2332 // wxDataViewCustomRenderer
2333 // ---------------------------------------------------------
2334
2335 class wxDataViewCtrlDCImpl: public wxWindowDCImpl
2336 {
2337 public:
2338 wxDataViewCtrlDCImpl( wxDC *owner, wxDataViewCtrl *window ) :
2339 wxWindowDCImpl( owner )
2340 {
2341 GtkWidget *widget = window->m_treeview;
2342 // Set later
2343 m_gdkwindow = NULL;
2344
2345 m_window = window;
2346
2347 m_context = window->GTKGetPangoDefaultContext();
2348 m_layout = pango_layout_new( m_context );
2349 m_fontdesc = pango_font_description_copy(gtk_widget_get_style(widget)->font_desc);
2350
2351 m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
2352
2353 // Set m_gdkwindow later
2354 // SetUpDC();
2355 }
2356 };
2357
2358 class wxDataViewCtrlDC: public wxWindowDC
2359 {
2360 public:
2361 wxDataViewCtrlDC( wxDataViewCtrl *window ) :
2362 wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )
2363 { }
2364 };
2365
2366
2367 // ---------------------------------------------------------
2368 // wxDataViewCustomRenderer
2369 // ---------------------------------------------------------
2370
2371 IMPLEMENT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
2372
2373 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
2374 wxDataViewCellMode mode,
2375 int align,
2376 bool no_init )
2377 : wxDataViewCustomRendererBase( varianttype, mode, align )
2378 {
2379 m_dc = NULL;
2380 m_text_renderer = NULL;
2381 m_renderParams = NULL;
2382
2383 if (no_init)
2384 m_renderer = NULL;
2385 else
2386 Init(mode, align);
2387 }
2388
2389 void wxDataViewCustomRenderer::GtkInitTextRenderer()
2390 {
2391 m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
2392 g_object_ref_sink(m_text_renderer);
2393
2394 GtkApplyAlignment(GTK_CELL_RENDERER(m_text_renderer));
2395 }
2396
2397 GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
2398 {
2399 if ( !m_text_renderer )
2400 {
2401 // we create it on demand so need to do it even from a const function
2402 const_cast<wxDataViewCustomRenderer *>(this)->GtkInitTextRenderer();
2403 }
2404
2405 return m_text_renderer;
2406 }
2407
2408 void wxDataViewCustomRenderer::RenderText( const wxString &text,
2409 int xoffset,
2410 wxRect cell,
2411 wxDC *WXUNUSED(dc),
2412 int WXUNUSED(state) )
2413 {
2414
2415 GtkCellRendererText * const textRenderer = GtkGetTextRenderer();
2416
2417 GValue gvalue = { 0, };
2418 g_value_init( &gvalue, G_TYPE_STRING );
2419 g_value_set_string( &gvalue, wxGTK_CONV_FONT( text, GetOwner()->GetOwner()->GetFont() ) );
2420 g_object_set_property( G_OBJECT(textRenderer), "text", &gvalue );
2421 g_value_unset( &gvalue );
2422
2423 GtkApplyAttr(textRenderer, GetAttr());
2424
2425 GdkRectangle cell_area;
2426 wxRectToGDKRect(cell, cell_area);
2427 cell_area.x += xoffset;
2428 cell_area.width -= xoffset;
2429
2430 gtk_cell_renderer_render( GTK_CELL_RENDERER(textRenderer),
2431 m_renderParams->window,
2432 m_renderParams->widget,
2433 m_renderParams->background_area,
2434 &cell_area,
2435 m_renderParams->expose_area,
2436 GtkCellRendererState(m_renderParams->flags));
2437 }
2438
2439 bool wxDataViewCustomRenderer::Init(wxDataViewCellMode mode, int align)
2440 {
2441 GtkWxCellRenderer *renderer = (GtkWxCellRenderer *) gtk_wx_cell_renderer_new();
2442 renderer->cell = this;
2443
2444 m_renderer = (GtkCellRenderer*) renderer;
2445
2446 SetMode(mode);
2447 SetAlignment(align);
2448
2449 GtkInitHandlers();
2450
2451 return true;
2452 }
2453
2454 wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
2455 {
2456 if (m_dc)
2457 delete m_dc;
2458
2459 if (m_text_renderer)
2460 g_object_unref(m_text_renderer);
2461 }
2462
2463 wxDC *wxDataViewCustomRenderer::GetDC()
2464 {
2465 if (m_dc == NULL)
2466 {
2467 if (GetOwner() == NULL)
2468 return NULL;
2469 if (GetOwner()->GetOwner() == NULL)
2470 return NULL;
2471 m_dc = new wxDataViewCtrlDC( GetOwner()->GetOwner() );
2472 }
2473
2474 return m_dc;
2475 }
2476
2477 // ---------------------------------------------------------
2478 // wxDataViewProgressRenderer
2479 // ---------------------------------------------------------
2480
2481 IMPLEMENT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
2482
2483 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
2484 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
2485 wxDataViewCustomRenderer( varianttype, mode, align, true )
2486 {
2487 m_label = label;
2488 m_value = 0;
2489
2490 #ifdef __WXGTK26__
2491 if (!gtk_check_version(2,6,0))
2492 {
2493 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
2494
2495 SetMode(mode);
2496 SetAlignment(align);
2497
2498 #if !wxUSE_UNICODE
2499 // We can't initialize the renderer just yet because we don't have the
2500 // pointer to the column that uses this renderer yet and so attempt to
2501 // dereference GetOwner() to get the font that is used as a source of
2502 // encoding in multibyte-to-Unicode conversion in GTKSetLabel() in
2503 // non-Unicode builds would crash. So simply remember to do it later.
2504 if ( !m_label.empty() )
2505 m_needsToSetLabel = true;
2506 else
2507 #endif // !wxUSE_UNICODE
2508 GTKSetLabel();
2509 }
2510 else
2511 #endif
2512 {
2513 // Use custom cell code
2514 wxDataViewCustomRenderer::Init(mode, align);
2515 }
2516 }
2517
2518 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
2519 {
2520 }
2521
2522 void wxDataViewProgressRenderer::GTKSetLabel()
2523 {
2524 GValue gvalue = { 0, };
2525 g_value_init( &gvalue, G_TYPE_STRING );
2526
2527 // Take care to not use GetOwner() here if the label is empty, we can be
2528 // called from ctor when GetOwner() is still NULL in this case.
2529 wxScopedCharBuffer buf;
2530 if ( m_label.empty() )
2531 buf = wxScopedCharBuffer::CreateNonOwned("");
2532 else
2533 buf = wxGTK_CONV_FONT(m_label, GetOwner()->GetOwner()->GetFont());
2534
2535 g_value_set_string( &gvalue, buf);
2536 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2537 g_value_unset( &gvalue );
2538
2539 #if !wxUSE_UNICODE
2540 m_needsToSetLabel = false;
2541 #endif // !wxUSE_UNICODE
2542 }
2543
2544 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
2545 {
2546 #ifdef __WXGTK26__
2547 if (!gtk_check_version(2,6,0))
2548 {
2549 #if !wxUSE_UNICODE
2550 if ( m_needsToSetLabel )
2551 GTKSetLabel();
2552 #endif // !wxUSE_UNICODE
2553
2554 gint tmp = (long) value;
2555 GValue gvalue = { 0, };
2556 g_value_init( &gvalue, G_TYPE_INT );
2557 g_value_set_int( &gvalue, tmp );
2558 g_object_set_property( G_OBJECT(m_renderer), "value", &gvalue );
2559 g_value_unset( &gvalue );
2560 }
2561 else
2562 #endif
2563 {
2564 m_value = (long) value;
2565
2566 if (m_value < 0) m_value = 0;
2567 if (m_value > 100) m_value = 100;
2568 }
2569
2570 return true;
2571 }
2572
2573 bool wxDataViewProgressRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2574 {
2575 return false;
2576 }
2577
2578 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
2579 {
2580 double pct = (double)m_value / 100.0;
2581 wxRect bar = cell;
2582 bar.width = (int)(cell.width * pct);
2583 dc->SetPen( *wxTRANSPARENT_PEN );
2584 dc->SetBrush( *wxBLUE_BRUSH );
2585 dc->DrawRectangle( bar );
2586
2587 dc->SetBrush( *wxTRANSPARENT_BRUSH );
2588 dc->SetPen( *wxBLACK_PEN );
2589 dc->DrawRectangle( cell );
2590
2591 return true;
2592 }
2593
2594 wxSize wxDataViewProgressRenderer::GetSize() const
2595 {
2596 return wxSize(40,12);
2597 }
2598
2599 // -------------------------------------
2600 // wxDataViewChoiceRenderer
2601 // -------------------------------------
2602
2603 wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices,
2604 wxDataViewCellMode mode, int alignment ) :
2605 wxDataViewCustomRenderer( "string", mode, alignment, true )
2606 {
2607 m_choices = choices;
2608
2609 #ifdef __WXGTK26__
2610 if (!gtk_check_version(2,6,0))
2611 {
2612 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
2613
2614 GtkListStore *store = gtk_list_store_new( 1, G_TYPE_STRING );
2615 for (size_t n = 0; n < m_choices.GetCount(); n++)
2616 {
2617 gtk_list_store_insert_with_values(
2618 store, NULL, n, 0,
2619 static_cast<const char *>(m_choices[n].utf8_str()), -1 );
2620 }
2621
2622 g_object_set (m_renderer,
2623 "model", store,
2624 "text-column", 0,
2625 "has-entry", FALSE,
2626 NULL);
2627
2628 bool editable = (mode & wxDATAVIEW_CELL_EDITABLE);
2629 g_object_set (m_renderer, "editable", editable, NULL);
2630
2631 SetAlignment(alignment);
2632
2633 g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2634
2635 GtkInitHandlers();
2636 }
2637 else
2638 #endif
2639 {
2640 // Use custom cell code
2641 wxDataViewCustomRenderer::Init(mode, alignment);
2642 }
2643 }
2644
2645 bool wxDataViewChoiceRenderer::Render( wxRect rect, wxDC *dc, int state )
2646 {
2647 RenderText( m_data, 0, rect, dc, state );
2648 return true;
2649 }
2650
2651 wxSize wxDataViewChoiceRenderer::GetSize() const
2652 {
2653 return wxSize(70,20);
2654 }
2655
2656 bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
2657 {
2658
2659 #ifdef __WXGTK26__
2660 if (!gtk_check_version(2,6,0))
2661 {
2662 GValue gvalue = { 0, };
2663 g_value_init( &gvalue, G_TYPE_STRING );
2664 g_value_set_string(&gvalue,
2665 wxGTK_CONV_FONT(value.GetString(),
2666 GetOwner()->GetOwner()->GetFont()));
2667 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2668 g_value_unset( &gvalue );
2669 }
2670 else
2671 #endif
2672 m_data = value.GetString();
2673
2674 return true;
2675 }
2676
2677 bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
2678 {
2679 #ifdef __WXGTK26__
2680 if (!gtk_check_version(2,6,0))
2681 {
2682 GValue gvalue = { 0, };
2683 g_value_init( &gvalue, G_TYPE_STRING );
2684 g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2685 wxString temp = wxGTK_CONV_BACK_FONT(g_value_get_string(&gvalue),
2686 GetOwner()->GetOwner()->GetFont());
2687 g_value_unset( &gvalue );
2688 value = temp;
2689
2690 //wxPrintf( "temp %s\n", temp );
2691 // TODO: remove this code
2692 }
2693 else
2694 #endif
2695 value = m_data;
2696
2697 return true;
2698 }
2699
2700 void wxDataViewChoiceRenderer::SetAlignment( int align )
2701 {
2702 wxDataViewCustomRenderer::SetAlignment(align);
2703
2704 if (gtk_check_version(2,10,0))
2705 return;
2706
2707 // horizontal alignment:
2708 PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2709 if (align & wxALIGN_RIGHT)
2710 pangoAlign = PANGO_ALIGN_RIGHT;
2711 else if (align & wxALIGN_CENTER_HORIZONTAL)
2712 pangoAlign = PANGO_ALIGN_CENTER;
2713
2714 GValue gvalue = { 0, };
2715 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2716 g_value_set_enum( &gvalue, pangoAlign );
2717 g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2718 g_value_unset( &gvalue );
2719 }
2720
2721 // ----------------------------------------------------------------------------
2722 // wxDataViewChoiceByIndexRenderer
2723 // ----------------------------------------------------------------------------
2724
2725 wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
2726 wxDataViewCellMode mode, int alignment ) :
2727 wxDataViewChoiceRenderer( choices, mode, alignment )
2728 {
2729 }
2730
2731 void wxDataViewChoiceByIndexRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
2732 {
2733 wxVariant value( (long) GetChoices().Index( str ) );
2734
2735 if (!Validate( value ))
2736 return;
2737
2738 wxDataViewItem
2739 item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
2740
2741 GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
2742 }
2743
2744 bool wxDataViewChoiceByIndexRenderer::SetValue( const wxVariant &value )
2745 {
2746 wxVariant string_value = GetChoice( value.GetLong() );
2747 return wxDataViewChoiceRenderer::SetValue( string_value );
2748 }
2749
2750 bool wxDataViewChoiceByIndexRenderer::GetValue( wxVariant &value ) const
2751 {
2752 wxVariant string_value;
2753 if (!wxDataViewChoiceRenderer::GetValue( string_value ))
2754 return false;
2755
2756 value = (long) GetChoices().Index( string_value.GetString() );
2757 return true;
2758 }
2759
2760 // ---------------------------------------------------------
2761 // wxDataViewIconTextRenderer
2762 // ---------------------------------------------------------
2763
2764 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
2765
2766 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer
2767 (
2768 const wxString &varianttype,
2769 wxDataViewCellMode mode,
2770 int align
2771 )
2772 : wxDataViewTextRenderer(varianttype, mode, align)
2773 {
2774 m_rendererIcon = gtk_cell_renderer_pixbuf_new();
2775 }
2776
2777 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
2778 {
2779 }
2780
2781 void wxDataViewIconTextRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
2782 {
2783 // add the icon renderer first
2784 gtk_tree_view_column_pack_start(column, m_rendererIcon, FALSE /* !expand */);
2785
2786 // add the text renderer too
2787 wxDataViewRenderer::GtkPackIntoColumn(column);
2788 }
2789
2790 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
2791 {
2792 m_value << value;
2793
2794 SetTextValue(m_value.GetText());
2795
2796 const wxIcon& icon = m_value.GetIcon();
2797 SetPixbufProp(m_rendererIcon, icon.IsOk() ? icon.GetPixbuf() : NULL);
2798
2799 return true;
2800 }
2801
2802 bool wxDataViewIconTextRenderer::GetValue(wxVariant& value) const
2803 {
2804 wxString str;
2805 if ( !GetTextValue(str) )
2806 return false;
2807
2808 // user doesn't have any way to edit the icon so leave it unchanged
2809 value << wxDataViewIconText(str, m_value.GetIcon());
2810
2811 return true;
2812 }
2813
2814 void
2815 wxDataViewIconTextRenderer::GtkOnCellChanged(const wxVariant& value,
2816 const wxDataViewItem& item,
2817 unsigned col)
2818 {
2819 // we receive just the text part of our value as it's the only one which
2820 // can be edited, but we need the full wxDataViewIconText value for the
2821 // model
2822 wxVariant valueIconText;
2823 valueIconText << wxDataViewIconText(value.GetString(), m_value.GetIcon());
2824 wxDataViewTextRenderer::GtkOnCellChanged(valueIconText, item, col);
2825 }
2826
2827 // ---------------------------------------------------------
2828 // wxDataViewColumn
2829 // ---------------------------------------------------------
2830
2831
2832 static gboolean
2833 gtk_dataview_header_button_press_callback( GtkWidget *WXUNUSED(widget),
2834 GdkEventButton *gdk_event,
2835 wxDataViewColumn *column )
2836 {
2837 if (gdk_event->type != GDK_BUTTON_PRESS)
2838 return FALSE;
2839
2840 if (gdk_event->button == 1)
2841 {
2842 gs_lastLeftClickHeader = column;
2843
2844 wxDataViewCtrl *dv = column->GetOwner();
2845 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
2846 event.SetDataViewColumn( column );
2847 event.SetModel( dv->GetModel() );
2848 if (dv->HandleWindowEvent( event ))
2849 return FALSE;
2850 }
2851
2852 if (gdk_event->button == 3)
2853 {
2854 wxDataViewCtrl *dv = column->GetOwner();
2855 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, dv->GetId() );
2856 event.SetDataViewColumn( column );
2857 event.SetModel( dv->GetModel() );
2858 if (dv->HandleWindowEvent( event ))
2859 return FALSE;
2860 }
2861
2862 return FALSE;
2863 }
2864
2865 extern "C"
2866 {
2867
2868 static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
2869 GtkCellRenderer *renderer,
2870 GtkTreeModel *model,
2871 GtkTreeIter *iter,
2872 gpointer data )
2873 {
2874 g_return_if_fail (GTK_IS_WX_TREE_MODEL (model));
2875 GtkWxTreeModel *tree_model = (GtkWxTreeModel *) model;
2876
2877 wxDataViewRenderer *cell = (wxDataViewRenderer*) data;
2878
2879 wxDataViewItem item( (void*) iter->user_data );
2880
2881 wxDataViewModel *wx_model = tree_model->internal->GetDataViewModel();
2882
2883 if (!wx_model->IsVirtualListModel())
2884 {
2885 gboolean visible;
2886 if (wx_model->IsContainer( item ))
2887 {
2888 visible = wx_model->HasContainerColumns( item ) ||
2889 (cell->GetOwner()->GetModelColumn() == 0);
2890 }
2891 else
2892 {
2893 visible = true;
2894 }
2895
2896 GValue gvalue = { 0, };
2897 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2898 g_value_set_boolean( &gvalue, visible );
2899 g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
2900 g_value_unset( &gvalue );
2901
2902 if ( !visible )
2903 return;
2904 }
2905
2906 wxVariant value;
2907 wx_model->GetValue( value, item, cell->GetOwner()->GetModelColumn() );
2908
2909 if (value.GetType() != cell->GetVariantType())
2910 {
2911 wxLogError( wxT("Wrong type, required: %s but: %s"),
2912 value.GetType().c_str(),
2913 cell->GetVariantType().c_str() );
2914 }
2915
2916 cell->SetValue( value );
2917
2918 // deal with disabled items
2919 bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn() );
2920
2921 // a) this sets the appearance to disabled grey
2922 GValue gvalue = { 0, };
2923 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2924 g_value_set_boolean( &gvalue, enabled );
2925 g_object_set_property( G_OBJECT(renderer), "sensitive", &gvalue );
2926 g_value_unset( &gvalue );
2927
2928 // b) this actually disables the control/renderer
2929 if (enabled)
2930 cell->SetMode( cell->GtkGetMode() );
2931 else
2932 cell->SetMode( wxDATAVIEW_CELL_INERT );
2933
2934
2935 // deal with attributes: if the renderer doesn't support them at all, we
2936 // don't even need to query the model for them
2937 if ( !cell->GtkSupportsAttrs() )
2938 return;
2939
2940 // it can support attributes so check if this item has any
2941 wxDataViewItemAttr attr;
2942 if ( wx_model->GetAttr( item, cell->GetOwner()->GetModelColumn(), attr )
2943 || !cell->GtkIsUsingDefaultAttrs() )
2944 {
2945 bool usingDefaultAttrs = !cell->GtkSetAttr(attr);
2946 cell->GtkSetUsingDefaultAttrs(usingDefaultAttrs);
2947 }
2948 // else: no custom attributes specified and we're already using the default
2949 // ones -- nothing to do
2950
2951 }
2952
2953 } // extern "C"
2954
2955 #include <wx/listimpl.cpp>
2956 WX_DEFINE_LIST(wxDataViewColumnList)
2957
2958 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
2959 unsigned int model_column, int width,
2960 wxAlignment align, int flags )
2961 : wxDataViewColumnBase( cell, model_column )
2962 {
2963 Init( align, flags, width );
2964
2965 SetTitle( title );
2966 }
2967
2968 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
2969 unsigned int model_column, int width,
2970 wxAlignment align, int flags )
2971 : wxDataViewColumnBase( bitmap, cell, model_column )
2972 {
2973 Init( align, flags, width );
2974
2975 SetBitmap( bitmap );
2976 }
2977
2978 void wxDataViewColumn::Init(wxAlignment align, int flags, int width)
2979 {
2980 m_isConnected = false;
2981
2982 GtkTreeViewColumn *column = gtk_tree_view_column_new();
2983 m_column = (GtkWidget*) column;
2984
2985 SetFlags( flags );
2986 SetAlignment( align );
2987
2988 SetWidth( width );
2989
2990 // Create container for icon and label
2991 GtkWidget *box = gtk_hbox_new( FALSE, 1 );
2992 gtk_widget_show( box );
2993 // gtk_container_set_border_width((GtkContainer*)box, 2);
2994 m_image = gtk_image_new();
2995 gtk_box_pack_start(GTK_BOX(box), m_image, FALSE, FALSE, 1);
2996 m_label = gtk_label_new("");
2997 gtk_box_pack_end( GTK_BOX(box), GTK_WIDGET(m_label), FALSE, FALSE, 1 );
2998 gtk_tree_view_column_set_widget( column, box );
2999
3000 wxDataViewRenderer * const colRenderer = GetRenderer();
3001 GtkCellRenderer * const cellRenderer = colRenderer->GetGtkHandle();
3002
3003 colRenderer->GtkPackIntoColumn(column);
3004
3005 gtk_tree_view_column_set_cell_data_func( column, cellRenderer,
3006 wxGtkTreeCellDataFunc, (gpointer) colRenderer, NULL );
3007 }
3008
3009 void wxDataViewColumn::OnInternalIdle()
3010 {
3011 if (m_isConnected)
3012 return;
3013
3014 if (gtk_widget_get_realized(GetOwner()->m_treeview))
3015 {
3016 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3017 if (column->button)
3018 {
3019 g_signal_connect(column->button, "button_press_event",
3020 G_CALLBACK (gtk_dataview_header_button_press_callback), this);
3021
3022 // otherwise the event will be blocked by GTK+
3023 gtk_tree_view_column_set_clickable( column, TRUE );
3024
3025 m_isConnected = true;
3026 }
3027 }
3028 }
3029
3030 void wxDataViewColumn::SetOwner( wxDataViewCtrl *owner )
3031 {
3032 wxDataViewColumnBase::SetOwner( owner );
3033
3034 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3035
3036 gtk_tree_view_column_set_title( column, wxGTK_CONV_FONT(GetTitle(), GetOwner()->GetFont() ) );
3037 }
3038
3039 void wxDataViewColumn::SetTitle( const wxString &title )
3040 {
3041 wxDataViewCtrl *ctrl = GetOwner();
3042 gtk_label_set_text( GTK_LABEL(m_label), ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())
3043 : wxGTK_CONV_SYS(title) );
3044 if (title.empty())
3045 gtk_widget_hide( m_label );
3046 else
3047 gtk_widget_show( m_label );
3048 }
3049
3050 wxString wxDataViewColumn::GetTitle() const
3051 {
3052 return wxGTK_CONV_BACK_FONT(
3053 gtk_label_get_text( GTK_LABEL(m_label) ),
3054 GetOwner()->GetFont()
3055 );
3056 }
3057
3058 void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
3059 {
3060 wxDataViewColumnBase::SetBitmap( bitmap );
3061
3062 if (bitmap.IsOk())
3063 {
3064 GtkImage *gtk_image = GTK_IMAGE(m_image);
3065
3066 GdkBitmap *mask = NULL;
3067 if (bitmap.GetMask())
3068 mask = bitmap.GetMask()->GetBitmap();
3069
3070 if (bitmap.HasPixbuf())
3071 {
3072 gtk_image_set_from_pixbuf(GTK_IMAGE(gtk_image),
3073 bitmap.GetPixbuf());
3074 }
3075 else
3076 {
3077 gtk_image_set_from_pixmap(GTK_IMAGE(gtk_image),
3078 bitmap.GetPixmap(), mask);
3079 }
3080 gtk_widget_show( m_image );
3081 }
3082 else
3083 {
3084 gtk_widget_hide( m_image );
3085 }
3086 }
3087
3088 void wxDataViewColumn::SetHidden( bool hidden )
3089 {
3090 gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
3091 }
3092
3093 void wxDataViewColumn::SetResizeable( bool resizable )
3094 {
3095 gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizable );
3096 }
3097
3098 void wxDataViewColumn::SetAlignment( wxAlignment align )
3099 {
3100 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3101
3102 gfloat xalign = 0.0;
3103 if (align == wxALIGN_RIGHT)
3104 xalign = 1.0;
3105 if (align == wxALIGN_CENTER_HORIZONTAL ||
3106 align == wxALIGN_CENTER)
3107 xalign = 0.5;
3108
3109 gtk_tree_view_column_set_alignment( column, xalign );
3110
3111 if (m_renderer && m_renderer->GetAlignment() == -1)
3112 m_renderer->GtkUpdateAlignment();
3113 }
3114
3115 wxAlignment wxDataViewColumn::GetAlignment() const
3116 {
3117 gfloat xalign = gtk_tree_view_column_get_alignment( GTK_TREE_VIEW_COLUMN(m_column) );
3118
3119 if (xalign == 1.0)
3120 return wxALIGN_RIGHT;
3121 if (xalign == 0.5)
3122 return wxALIGN_CENTER_HORIZONTAL;
3123
3124 return wxALIGN_LEFT;
3125 }
3126
3127 void wxDataViewColumn::SetSortable( bool sortable )
3128 {
3129 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3130
3131 if ( sortable )
3132 {
3133 gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
3134 }
3135 else
3136 {
3137 gtk_tree_view_column_set_sort_column_id( column, -1 );
3138 gtk_tree_view_column_set_sort_indicator( column, FALSE );
3139 gtk_tree_view_column_set_clickable( column, FALSE );
3140 }
3141 }
3142
3143 bool wxDataViewColumn::IsSortable() const
3144 {
3145 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3146 return gtk_tree_view_column_get_clickable( column );
3147 }
3148
3149 bool wxDataViewColumn::IsSortKey() const
3150 {
3151 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3152 return gtk_tree_view_column_get_sort_indicator( column );
3153 }
3154
3155 bool wxDataViewColumn::IsResizeable() const
3156 {
3157 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3158 return gtk_tree_view_column_get_resizable( column );
3159 }
3160
3161 bool wxDataViewColumn::IsHidden() const
3162 {
3163 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3164 return !gtk_tree_view_column_get_visible( column );
3165 }
3166
3167 void wxDataViewColumn::SetSortOrder( bool ascending )
3168 {
3169 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3170
3171 if (ascending)
3172 gtk_tree_view_column_set_sort_order( column, GTK_SORT_ASCENDING );
3173 else
3174 gtk_tree_view_column_set_sort_order( column, GTK_SORT_DESCENDING );
3175
3176 gtk_tree_view_column_set_sort_indicator( column, TRUE );
3177 }
3178
3179 bool wxDataViewColumn::IsSortOrderAscending() const
3180 {
3181 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3182
3183 return (gtk_tree_view_column_get_sort_order( column ) != GTK_SORT_DESCENDING);
3184 }
3185
3186 void wxDataViewColumn::SetMinWidth( int width )
3187 {
3188 gtk_tree_view_column_set_min_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3189 }
3190
3191 int wxDataViewColumn::GetMinWidth() const
3192 {
3193 return gtk_tree_view_column_get_min_width( GTK_TREE_VIEW_COLUMN(m_column) );
3194 }
3195
3196 int wxDataViewColumn::GetWidth() const
3197 {
3198 return gtk_tree_view_column_get_width( GTK_TREE_VIEW_COLUMN(m_column) );
3199 }
3200
3201 void wxDataViewColumn::SetWidth( int width )
3202 {
3203 if ( width == wxCOL_WIDTH_AUTOSIZE )
3204 {
3205 // NB: this disables user resizing
3206 gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_AUTOSIZE );
3207 }
3208 else
3209 {
3210 if ( width == wxCOL_WIDTH_DEFAULT )
3211 {
3212 // TODO find a better calculation
3213 width = wxDVC_DEFAULT_WIDTH;
3214 }
3215
3216 gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_FIXED );
3217 gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3218 }
3219 }
3220
3221 void wxDataViewColumn::SetReorderable( bool reorderable )
3222 {
3223 gtk_tree_view_column_set_reorderable( GTK_TREE_VIEW_COLUMN(m_column), reorderable );
3224 }
3225
3226 bool wxDataViewColumn::IsReorderable() const
3227 {
3228 return gtk_tree_view_column_get_reorderable( GTK_TREE_VIEW_COLUMN(m_column) );
3229 }
3230
3231 //-----------------------------------------------------------------------------
3232 // wxGtkTreeModelNode
3233 //-----------------------------------------------------------------------------
3234
3235 #if 0
3236 class wxGtkTreeModelChildWithPos
3237 {
3238 public:
3239 unsigned int pos;
3240 void *id;
3241 };
3242
3243 static
3244 int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const void* user_data )
3245 {
3246 const wxGtkTreeModelChildWithPos* child1 = (const wxGtkTreeModelChildWithPos*) data1;
3247 const wxGtkTreeModelChildWithPos* child2 = (const wxGtkTreeModelChildWithPos*) data2;
3248 const wxDataViewCtrlInternal *internal = (const wxDataViewCtrlInternal *) user_data;
3249 int ret = internal->GetDataViewModel()->Compare( child1->id, child2->id,
3250 internal->GetSortColumn(), (internal->GetSortOrder() == GTK_SORT_DESCENDING) );
3251
3252 return ret;
3253 }
3254 #else
3255 static
3256 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
3257 {
3258 return gs_internal->GetDataViewModel()->Compare( wxDataViewItem(**data1), wxDataViewItem(**data2),
3259 gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
3260 }
3261
3262 WX_DEFINE_ARRAY_PTR( void**, wxGtkTreeModelChildrenPtr );
3263 #endif
3264
3265 void wxGtkTreeModelNode::Resort()
3266 {
3267 size_t child_count = GetChildCount();
3268 if (child_count == 0)
3269 return;
3270
3271 size_t node_count = GetNodesCount();
3272
3273 if (child_count == 1)
3274 {
3275 if (node_count == 1)
3276 {
3277 wxGtkTreeModelNode *node = m_nodes.Item( 0 );
3278 node->Resort();
3279 }
3280 return;
3281 }
3282
3283 gint *new_order = new gint[child_count];
3284
3285 #if 1
3286 // m_children has the original *void
3287 // ptrs points to these
3288 wxGtkTreeModelChildrenPtr ptrs;
3289 size_t i;
3290 for (i = 0; i < child_count; i++)
3291 ptrs.Add( &(m_children[i]) );
3292 // Sort the ptrs
3293 gs_internal = m_internal;
3294 ptrs.Sort( &wxGtkTreeModelChildPtrCmp );
3295
3296 wxGtkTreeModelChildren temp;
3297 void** base_ptr = &(m_children[0]);
3298 // Transfer positions to new_order array and
3299 // IDs to temp
3300 for (i = 0; i < child_count; i++)
3301 {
3302 new_order[i] = ptrs[i] - base_ptr;
3303 temp.Add( *ptrs[i] );
3304 }
3305
3306 // Transfer IDs back to m_children
3307 m_children.Clear();
3308 WX_APPEND_ARRAY( temp, m_children );
3309 #endif
3310 #if 0
3311 // Too slow
3312
3313 // Build up array with IDs and original positions
3314 wxGtkTreeModelChildWithPos* temp = new wxGtkTreeModelChildWithPos[child_count];
3315 size_t i;
3316 for (i = 0; i < child_count; i++)
3317 {
3318 temp[i].pos = i;
3319 temp[i].id = m_children[i];
3320 }
3321 // Sort array keeping original positions
3322 wxQsort( temp, child_count, sizeof(wxGtkTreeModelChildWithPos),
3323 &wxGtkTreeModelChildWithPosCmp, m_internal );
3324 // Transfer positions to new_order array and
3325 // IDs to m_children
3326 m_children.Clear();
3327 for (i = 0; i < child_count; i++)
3328 {
3329 new_order[i] = temp[i].pos;
3330 m_children.Add( temp[i].id );
3331 }
3332 // Delete array
3333 delete [] temp;
3334 #endif
3335
3336 #if 0
3337 // Too slow
3338
3339 wxGtkTreeModelChildren temp;
3340 WX_APPEND_ARRAY( temp, m_children );
3341
3342 gs_internal = m_internal;
3343 m_children.Sort( &wxGtkTreeModelChildCmp );
3344
3345 unsigned int pos;
3346 for (pos = 0; pos < child_count; pos++)
3347 {
3348 void *id = m_children.Item( pos );
3349 int old_pos = temp.Index( id );
3350 new_order[pos] = old_pos;
3351 }
3352 #endif
3353
3354 GtkTreeModel *gtk_tree_model = GTK_TREE_MODEL( m_internal->GetGtkModel() );
3355
3356 GtkTreeIter iter;
3357 iter.user_data = GetItem().GetID();
3358 iter.stamp = m_internal->GetGtkModel()->stamp;
3359
3360 gtk_tree_model_rows_reordered( gtk_tree_model,
3361 wxGtkTreePath(m_internal->get_path(&iter)), &iter, new_order );
3362
3363 delete [] new_order;
3364
3365 unsigned int pos;
3366 for (pos = 0; pos < node_count; pos++)
3367 {
3368 wxGtkTreeModelNode *node = m_nodes.Item( pos );
3369 node->Resort();
3370 }
3371 }
3372
3373 //-----------------------------------------------------------------------------
3374 // wxDataViewCtrlInternal
3375 //-----------------------------------------------------------------------------
3376
3377 wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model )
3378 {
3379 m_owner = owner;
3380 m_wx_model = wx_model;
3381
3382 m_gtk_model = NULL;
3383 m_root = NULL;
3384 m_sort_order = GTK_SORT_ASCENDING;
3385 m_sort_column = -1;
3386 m_dataview_sort_column = NULL;
3387
3388 m_dragDataObject = NULL;
3389 m_dropDataObject = NULL;
3390
3391 m_dirty = false;
3392
3393 m_gtk_model = wxgtk_tree_model_new();
3394 m_gtk_model->internal = this;
3395
3396 m_notifier = new wxGtkDataViewModelNotifier( wx_model, this );
3397
3398 wx_model->AddNotifier( m_notifier );
3399
3400 // g_object_unref( gtk_model ); ???
3401
3402 if (!m_wx_model->IsVirtualListModel())
3403 InitTree();
3404
3405 gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->GtkGetTreeView()), GTK_TREE_MODEL(m_gtk_model) );
3406 }
3407
3408 wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
3409 {
3410 m_wx_model->RemoveNotifier( m_notifier );
3411
3412 // remove the model from the GtkTreeView before it gets destroyed
3413 gtk_tree_view_set_model( GTK_TREE_VIEW( m_owner->GtkGetTreeView() ), NULL );
3414
3415 g_object_unref( m_gtk_model );
3416
3417 delete m_dragDataObject;
3418 delete m_dropDataObject;
3419 }
3420
3421 void wxDataViewCtrlInternal::ScheduleRefresh()
3422 {
3423 m_dirty = true;
3424 }
3425
3426 void wxDataViewCtrlInternal::OnInternalIdle()
3427 {
3428 if (m_dirty)
3429 {
3430 GtkWidget *widget = m_owner->GtkGetTreeView();
3431 gtk_widget_queue_draw( widget );
3432 m_dirty = false;
3433 }
3434 }
3435
3436 void wxDataViewCtrlInternal::InitTree()
3437 {
3438 wxDataViewItem item;
3439 m_root = new wxGtkTreeModelNode( NULL, item, this );
3440
3441 BuildBranch( m_root );
3442 }
3443
3444 void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
3445 {
3446 if (node->GetChildCount() == 0)
3447 {
3448 wxDataViewItemArray children;
3449 unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
3450
3451 unsigned int pos;
3452 for (pos = 0; pos < count; pos++)
3453 {
3454 wxDataViewItem child = children[pos];
3455
3456 if (m_wx_model->IsContainer( child ))
3457 node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
3458 else
3459 node->AddLeaf( child.GetID() );
3460
3461 // Don't send any events here
3462 }
3463 }
3464 }
3465
3466 // GTK+ dnd iface
3467
3468 bool wxDataViewCtrlInternal::EnableDragSource( const wxDataFormat &format )
3469 {
3470 wxGtkString atom_str( gdk_atom_name( format ) );
3471 m_dragSourceTargetEntryTarget = wxCharBuffer( atom_str );
3472
3473 m_dragSourceTargetEntry.target = m_dragSourceTargetEntryTarget.data();
3474 m_dragSourceTargetEntry.flags = 0;
3475 m_dragSourceTargetEntry.info = static_cast<guint>(-1);
3476
3477 gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3478 GDK_BUTTON1_MASK, &m_dragSourceTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3479
3480 return true;
3481 }
3482
3483 bool wxDataViewCtrlInternal::EnableDropTarget( const wxDataFormat &format )
3484 {
3485 wxGtkString atom_str( gdk_atom_name( format ) );
3486 m_dropTargetTargetEntryTarget = wxCharBuffer( atom_str );
3487
3488 m_dropTargetTargetEntry.target = m_dropTargetTargetEntryTarget.data();
3489 m_dropTargetTargetEntry.flags = 0;
3490 m_dropTargetTargetEntry.info = static_cast<guint>(-1);
3491
3492 gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3493 &m_dropTargetTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3494
3495 return true;
3496 }
3497
3498 gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
3499 GtkTreePath *path )
3500 {
3501 delete m_dragDataObject;
3502 m_dragDataObject = NULL;
3503
3504 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3505 if ( !item )
3506 return FALSE;
3507
3508 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3509 event.SetEventObject( m_owner );
3510 event.SetItem( item );
3511 event.SetModel( m_wx_model );
3512 gint x, y;
3513 gtk_widget_get_pointer(m_owner->GtkGetTreeView(), &x, &y);
3514 event.SetPosition(x, y);
3515 if (!m_owner->HandleWindowEvent( event ))
3516 return FALSE;
3517
3518 if (!event.IsAllowed())
3519 return FALSE;
3520
3521 wxDataObject *obj = event.GetDataObject();
3522 if (!obj)
3523 return FALSE;
3524
3525 m_dragDataObject = obj;
3526
3527 return TRUE;
3528 }
3529
3530 gboolean
3531 wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source),
3532 GtkTreePath *WXUNUSED(path))
3533 {
3534 return FALSE;
3535 }
3536
3537 gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
3538 GtkTreePath *path, GtkSelectionData *selection_data )
3539 {
3540 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3541 if ( !item )
3542 return FALSE;
3543
3544 GdkAtom target = gtk_selection_data_get_target(selection_data);
3545 if (!m_dragDataObject->IsSupported(target))
3546 return FALSE;
3547
3548 size_t size = m_dragDataObject->GetDataSize(target);
3549 if (size == 0)
3550 return FALSE;
3551
3552 void *buf = malloc( size );
3553
3554 gboolean res = FALSE;
3555 if (m_dragDataObject->GetDataHere(target, buf))
3556 {
3557 res = TRUE;
3558
3559 gtk_selection_data_set(selection_data, target,
3560 8, (const guchar*) buf, size );
3561 }
3562
3563 free( buf );
3564
3565 return res;
3566 }
3567
3568 gboolean
3569 wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
3570 GtkTreePath *path,
3571 GtkSelectionData *selection_data)
3572 {
3573 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3574 if ( !item )
3575 return FALSE;
3576
3577 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
3578 event.SetEventObject( m_owner );
3579 event.SetItem( item );
3580 event.SetModel( m_wx_model );
3581 event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3582 event.SetDataSize(gtk_selection_data_get_length(selection_data));
3583 event.SetDataBuffer(const_cast<guchar*>(gtk_selection_data_get_data(selection_data)));
3584 if (!m_owner->HandleWindowEvent( event ))
3585 return FALSE;
3586
3587 if (!event.IsAllowed())
3588 return FALSE;
3589
3590 return TRUE;
3591 }
3592
3593 gboolean
3594 wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
3595 GtkTreePath *path,
3596 GtkSelectionData *selection_data)
3597 {
3598 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3599 if ( !item )
3600 return FALSE;
3601
3602 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
3603 event.SetEventObject( m_owner );
3604 event.SetItem( item );
3605 event.SetModel( m_wx_model );
3606 event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3607 event.SetDataSize(gtk_selection_data_get_length(selection_data));
3608 if (!m_owner->HandleWindowEvent( event ))
3609 return FALSE;
3610
3611 if (!event.IsAllowed())
3612 return FALSE;
3613
3614 return TRUE;
3615 }
3616
3617 // notifications from wxDataViewModel
3618
3619 bool wxDataViewCtrlInternal::Cleared()
3620 {
3621 if (m_root)
3622 {
3623 delete m_root;
3624 m_root = NULL;
3625 }
3626
3627 InitTree();
3628
3629 ScheduleRefresh();
3630
3631 return true;
3632 }
3633
3634 void wxDataViewCtrlInternal::Resort()
3635 {
3636 if (!m_wx_model->IsVirtualListModel())
3637 m_root->Resort();
3638
3639 ScheduleRefresh();
3640 }
3641
3642 bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
3643 {
3644 if (!m_wx_model->IsVirtualListModel())
3645 {
3646 wxGtkTreeModelNode *parent_node = FindNode( parent );
3647 wxCHECK_MSG(parent_node, false,
3648 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3649
3650 wxDataViewItemArray modelSiblings;
3651 m_wx_model->GetChildren(parent, modelSiblings);
3652 const int modelSiblingsSize = modelSiblings.size();
3653
3654 int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
3655 wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
3656
3657 const wxGtkTreeModelChildren& nodeSiblings = parent_node->GetChildren();
3658 const int nodeSiblingsSize = nodeSiblings.size();
3659
3660 int nodePos = 0;
3661
3662 if ( posInModel == modelSiblingsSize - 1 )
3663 {
3664 nodePos = nodeSiblingsSize;
3665 }
3666 else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
3667 {
3668 // This is the simple case when our node tree already matches the
3669 // model and only this one item is missing.
3670 nodePos = posInModel;
3671 }
3672 else
3673 {
3674 // It's possible that a larger discrepancy between the model and
3675 // our realization exists. This can happen e.g. when adding a bunch
3676 // of items to the model and then calling ItemsAdded() just once
3677 // afterwards. In this case, we must find the right position by
3678 // looking at sibling items.
3679
3680 // append to the end if we won't find a better position:
3681 nodePos = nodeSiblingsSize;
3682
3683 for ( int nextItemPos = posInModel + 1;
3684 nextItemPos < modelSiblingsSize;
3685 nextItemPos++ )
3686 {
3687 int nextNodePos = parent_node->FindChildByItem(modelSiblings[nextItemPos]);
3688 if ( nextNodePos != wxNOT_FOUND )
3689 {
3690 nodePos = nextNodePos;
3691 break;
3692 }
3693 }
3694 }
3695
3696 if (m_wx_model->IsContainer( item ))
3697 parent_node->InsertNode( new wxGtkTreeModelNode( parent_node, item, this ), nodePos );
3698 else
3699 parent_node->InsertLeaf( item.GetID(), nodePos );
3700 }
3701
3702 ScheduleRefresh();
3703
3704 return true;
3705 }
3706
3707 bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
3708 {
3709 if (!m_wx_model->IsVirtualListModel())
3710 {
3711 wxGtkTreeModelNode *parent_node = FindNode( parent );
3712 wxASSERT_MSG(parent_node,
3713 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3714
3715 parent_node->DeleteChild( item.GetID() );
3716 }
3717
3718 ScheduleRefresh();
3719
3720 return true;
3721 }
3722
3723 bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
3724 {
3725 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3726 event.SetEventObject( m_owner );
3727 event.SetModel( m_owner->GetModel() );
3728 event.SetItem( item );
3729 m_owner->HandleWindowEvent( event );
3730
3731 return true;
3732 }
3733
3734 bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int view_column )
3735 {
3736 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3737 event.SetEventObject( m_owner );
3738 event.SetModel( m_owner->GetModel() );
3739 event.SetColumn( view_column );
3740 event.SetDataViewColumn( GetOwner()->GetColumn(view_column) );
3741 event.SetItem( item );
3742 m_owner->HandleWindowEvent( event );
3743
3744 return true;
3745 }
3746
3747 // GTK+ model iface
3748
3749 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
3750 {
3751 int flags = 0;
3752
3753 if ( m_wx_model->IsListModel() )
3754 flags |= GTK_TREE_MODEL_LIST_ONLY;
3755
3756 if ( !m_wx_model->IsVirtualListModel() )
3757 flags |= GTK_TREE_MODEL_ITERS_PERSIST;
3758
3759 return GtkTreeModelFlags(flags);
3760 }
3761
3762 gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
3763 {
3764
3765 if (m_wx_model->IsVirtualListModel())
3766 {
3767 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3768
3769 unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
3770
3771 if (i >= wx_model->GetCount())
3772 return FALSE;
3773
3774 iter->stamp = m_gtk_model->stamp;
3775 // user_data is just the index +1
3776 iter->user_data = wxUIntToPtr(i+1);
3777
3778 return TRUE;
3779 }
3780 else
3781 {
3782 int depth = gtk_tree_path_get_depth( path );
3783
3784 wxGtkTreeModelNode *node = m_root;
3785
3786 int i;
3787 for (i = 0; i < depth; i++)
3788 {
3789 BuildBranch( node );
3790
3791 gint pos = gtk_tree_path_get_indices (path)[i];
3792 if (pos < 0) return FALSE;
3793 if ((size_t)pos >= node->GetChildCount()) return FALSE;
3794
3795 void* id = node->GetChildren().Item( (size_t) pos );
3796
3797 if (i == depth-1)
3798 {
3799 iter->stamp = m_gtk_model->stamp;
3800 iter->user_data = id;
3801 return TRUE;
3802 }
3803
3804 size_t count = node->GetNodes().GetCount();
3805 size_t pos2;
3806 for (pos2 = 0; pos2 < count; pos2++)
3807 {
3808 wxGtkTreeModelNode *child_node = node->GetNodes().Item( pos2 );
3809 if (child_node->GetItem().GetID() == id)
3810 {
3811 node = child_node;
3812 break;
3813 }
3814 }
3815 }
3816 }
3817
3818 return FALSE;
3819 }
3820
3821 GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
3822 {
3823 // When this is called from ItemDeleted(), the item is already
3824 // deleted in the model.
3825
3826 GtkTreePath *retval = gtk_tree_path_new ();
3827
3828 if (m_wx_model->IsVirtualListModel())
3829 {
3830 // iter is root, add nothing
3831 if (!iter->user_data)
3832 return retval;
3833
3834 // user_data is just the index +1
3835 int i = ( (wxUIntPtr) iter->user_data ) -1;
3836 gtk_tree_path_append_index (retval, i);
3837 }
3838 else
3839 {
3840 void *id = iter->user_data;
3841
3842 wxGtkTreeModelNode *node = FindParentNode( iter );
3843 while (node)
3844 {
3845 int pos = node->GetChildren().Index( id );
3846
3847 gtk_tree_path_prepend_index( retval, pos );
3848
3849 id = node->GetItem().GetID();
3850 node = node->GetParent();
3851 }
3852 }
3853
3854 return retval;
3855 }
3856
3857 gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
3858 {
3859 if (m_wx_model->IsVirtualListModel())
3860 {
3861 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3862
3863 // user_data is just the index +1
3864 int n = ( (wxUIntPtr) iter->user_data ) -1;
3865
3866 if (n == -1)
3867 {
3868 iter->user_data = NULL;
3869 return FALSE;
3870 }
3871
3872 if (n >= (int) wx_model->GetCount()-1)
3873 {
3874 iter->user_data = NULL;
3875 return FALSE;
3876 }
3877
3878 // user_data is just the index +1 (+2 because we need the next)
3879 iter->user_data = wxUIntToPtr(n+2);
3880 }
3881 else
3882 {
3883 wxGtkTreeModelNode *parent = FindParentNode( iter );
3884 if( parent == NULL )
3885 {
3886 iter->user_data = NULL;
3887 return FALSE;
3888 }
3889
3890 int pos = parent->GetChildren().Index( iter->user_data );
3891
3892 if (pos == (int) parent->GetChildCount()-1)
3893 {
3894 iter->user_data = NULL;
3895 return FALSE;
3896 }
3897
3898 iter->user_data = parent->GetChildren().Item( pos+1 );
3899 }
3900
3901 return TRUE;
3902 }
3903
3904 gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
3905 {
3906 if (m_wx_model->IsVirtualListModel())
3907 {
3908 // this is a list, nodes have no children
3909 if (parent)
3910 return FALSE;
3911
3912 iter->stamp = m_gtk_model->stamp;
3913 iter->user_data = (gpointer) 1;
3914
3915 return TRUE;
3916 }
3917 else
3918 {
3919 if (iter == NULL)
3920 {
3921 if (m_root->GetChildCount() == 0) return FALSE;
3922 iter->stamp = m_gtk_model->stamp;
3923 iter->user_data = (gpointer) m_root->GetChildren().Item( 0 );
3924 return TRUE;
3925 }
3926
3927
3928 wxDataViewItem item;
3929 if (parent)
3930 item = wxDataViewItem( (void*) parent->user_data );
3931
3932 if (!m_wx_model->IsContainer( item ))
3933 return FALSE;
3934
3935 wxGtkTreeModelNode *parent_node = FindNode( parent );
3936 wxASSERT_MSG(parent_node,
3937 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3938
3939 BuildBranch( parent_node );
3940
3941 if (parent_node->GetChildCount() == 0)
3942 return FALSE;
3943
3944 iter->stamp = m_gtk_model->stamp;
3945 iter->user_data = (gpointer) parent_node->GetChildren().Item( 0 );
3946 }
3947
3948 return TRUE;
3949 }
3950
3951 gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
3952 {
3953 if (m_wx_model->IsVirtualListModel())
3954 {
3955 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3956
3957 if (iter == NULL)
3958 return (wx_model->GetCount() > 0);
3959
3960 // this is a list, nodes have no children
3961 return FALSE;
3962 }
3963 else
3964 {
3965 if (iter == NULL)
3966 return (m_root->GetChildCount() > 0);
3967
3968 wxDataViewItem item( (void*) iter->user_data );
3969
3970 bool is_container = m_wx_model->IsContainer( item );
3971
3972 if (!is_container)
3973 return FALSE;
3974
3975 wxGtkTreeModelNode *node = FindNode( iter );
3976 wxASSERT_MSG(node,
3977 "Did you forget a call to ItemAdded()? The iterator is unknown to the wxGtkTreeModel");
3978
3979 BuildBranch( node );
3980
3981 return (node->GetChildCount() > 0);
3982 }
3983 }
3984
3985 gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
3986 {
3987 if (m_wx_model->IsVirtualListModel())
3988 {
3989 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3990
3991 if (iter == NULL)
3992 return (gint) wx_model->GetCount();
3993
3994 return 0;
3995 }
3996 else
3997 {
3998 if (iter == NULL)
3999 return m_root->GetChildCount();
4000
4001 wxDataViewItem item( (void*) iter->user_data );
4002
4003 if (!m_wx_model->IsContainer( item ))
4004 return 0;
4005
4006 wxGtkTreeModelNode *parent_node = FindNode( iter );
4007 wxASSERT_MSG(parent_node,
4008 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
4009
4010 BuildBranch( parent_node );
4011
4012 return parent_node->GetChildCount();
4013 }
4014 }
4015
4016 gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
4017 {
4018 if (m_wx_model->IsVirtualListModel())
4019 {
4020 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
4021
4022 if (parent)
4023 return FALSE;
4024
4025 if (n < 0)
4026 return FALSE;
4027
4028 if (n >= (gint) wx_model->GetCount())
4029 return FALSE;
4030
4031 iter->stamp = m_gtk_model->stamp;
4032 // user_data is just the index +1
4033 iter->user_data = wxUIntToPtr(n+1);
4034
4035 return TRUE;
4036 }
4037 else
4038 {
4039 void* id = NULL;
4040 if (parent) id = (void*) parent->user_data;
4041 wxDataViewItem item( id );
4042
4043 if (!m_wx_model->IsContainer( item ))
4044 return FALSE;
4045
4046 wxGtkTreeModelNode *parent_node = FindNode( parent );
4047 wxASSERT_MSG(parent_node,
4048 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
4049
4050 BuildBranch( parent_node );
4051
4052 iter->stamp = m_gtk_model->stamp;
4053 iter->user_data = parent_node->GetChildren().Item( n );
4054
4055 return TRUE;
4056 }
4057 }
4058
4059 gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
4060 {
4061 if (m_wx_model->IsVirtualListModel())
4062 {
4063 return FALSE;
4064 }
4065 else
4066 {
4067 wxGtkTreeModelNode *node = FindParentNode( child );
4068 if (!node)
4069 return FALSE;
4070
4071 iter->stamp = m_gtk_model->stamp;
4072 iter->user_data = (gpointer) node->GetItem().GetID();
4073
4074 return TRUE;
4075 }
4076 }
4077
4078 // item can be deleted already in the model
4079 int wxDataViewCtrlInternal::GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item )
4080 {
4081 if (m_wx_model->IsVirtualListModel())
4082 {
4083 return wxPtrToUInt(item.GetID()) - 1;
4084 }
4085 else
4086 {
4087 wxGtkTreeModelNode *parent_node = FindNode( parent );
4088 wxGtkTreeModelChildren &children = parent_node->GetChildren();
4089 size_t j;
4090 for (j = 0; j < children.GetCount(); j++)
4091 {
4092 if (children[j] == item.GetID())
4093 return j;
4094 }
4095 }
4096 return -1;
4097 }
4098
4099
4100 static wxGtkTreeModelNode*
4101 wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4102 {
4103 if( model == NULL )
4104 return NULL;
4105
4106 ItemList list;
4107 list.DeleteContents( true );
4108 wxDataViewItem it( item );
4109
4110 while( it.IsOk() )
4111 {
4112 wxDataViewItem * pItem = new wxDataViewItem( it );
4113 list.Insert( pItem );
4114 it = model->GetParent( it );
4115 }
4116
4117 wxGtkTreeModelNode * node = treeNode;
4118 for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4119 {
4120 if( node && node->GetNodes().GetCount() != 0 )
4121 {
4122 int len = node->GetNodes().GetCount();
4123 wxGtkTreeModelNodes &nodes = node->GetNodes();
4124 int j = 0;
4125 for( ; j < len; j ++)
4126 {
4127 if( nodes[j]->GetItem() == *(n->GetData()))
4128 {
4129 node = nodes[j];
4130 break;
4131 }
4132 }
4133
4134 if( j == len )
4135 {
4136 return NULL;
4137 }
4138 }
4139 else
4140 return NULL;
4141 }
4142 return node;
4143
4144 }
4145
4146 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( GtkTreeIter *iter )
4147 {
4148 if (!iter)
4149 return m_root;
4150
4151 wxDataViewItem item( (void*) iter->user_data );
4152 if (!item.IsOk())
4153 return m_root;
4154
4155 wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
4156
4157 /*
4158 if (!result)
4159 {
4160 wxLogDebug( "Not found %p", iter->user_data );
4161 char *crash = NULL;
4162 *crash = 0;
4163 }
4164 // TODO: remove this code
4165 */
4166
4167 return result;
4168 }
4169
4170 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( const wxDataViewItem &item )
4171 {
4172 if (!item.IsOk())
4173 return m_root;
4174
4175 wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
4176
4177 /*
4178 if (!result)
4179 {
4180 wxLogDebug( "Not found %p", item.GetID() );
4181 char *crash = NULL;
4182 *crash = 0;
4183 }
4184 // TODO: remove this code
4185 */
4186
4187 return result;
4188 }
4189
4190 static wxGtkTreeModelNode*
4191 wxDataViewCtrlInternal_FindParentNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4192 {
4193 if( model == NULL )
4194 return NULL;
4195
4196 ItemList list;
4197 list.DeleteContents( true );
4198 if( !item.IsOk() )
4199 return NULL;
4200
4201 wxDataViewItem it( model->GetParent( item ) );
4202 while( it.IsOk() )
4203 {
4204 wxDataViewItem * pItem = new wxDataViewItem( it );
4205 list.Insert( pItem );
4206 it = model->GetParent( it );
4207 }
4208
4209 wxGtkTreeModelNode * node = treeNode;
4210 for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4211 {
4212 if( node && node->GetNodes().GetCount() != 0 )
4213 {
4214 int len = node->GetNodes().GetCount();
4215 wxGtkTreeModelNodes nodes = node->GetNodes();
4216 int j = 0;
4217 for( ; j < len; j ++)
4218 {
4219 if( nodes[j]->GetItem() == *(n->GetData()))
4220 {
4221 node = nodes[j];
4222 break;
4223 }
4224 }
4225
4226 if( j == len )
4227 {
4228 return NULL;
4229 }
4230 }
4231 else
4232 return NULL;
4233 }
4234 //Examine whether the node is item's parent node
4235 int len = node->GetChildCount();
4236 for( int i = 0; i < len ; i ++ )
4237 {
4238 if( node->GetChildren().Item( i ) == item.GetID() )
4239 return node;
4240 }
4241 return NULL;
4242 }
4243
4244 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( GtkTreeIter *iter )
4245 {
4246 if (!iter)
4247 return NULL;
4248
4249 wxDataViewItem item( (void*) iter->user_data );
4250 if (!item.IsOk())
4251 return NULL;
4252
4253 return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4254 }
4255
4256 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem &item )
4257 {
4258 if (!item.IsOk())
4259 return NULL;
4260
4261 return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4262 }
4263
4264 //-----------------------------------------------------------------------------
4265 // wxDataViewCtrl signal callbacks
4266 //-----------------------------------------------------------------------------
4267
4268 static void
4269 wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )
4270 {
4271 if (!gtk_widget_get_realized(dv->m_widget))
4272 return;
4273
4274 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, dv->GetId() );
4275 event.SetItem( dv->GetSelection() );
4276 event.SetModel( dv->GetModel() );
4277 dv->HandleWindowEvent( event );
4278 }
4279
4280 static void
4281 wxdataview_row_activated_callback( GtkTreeView* WXUNUSED(treeview), GtkTreePath *path,
4282 GtkTreeViewColumn *WXUNUSED(column), wxDataViewCtrl *dv )
4283 {
4284 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, dv->GetId() );
4285
4286 wxDataViewItem item(dv->GTKPathToItem(path));
4287 event.SetItem( item );
4288 event.SetModel( dv->GetModel() );
4289 dv->HandleWindowEvent( event );
4290 }
4291
4292 static gboolean
4293 wxdataview_test_expand_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4294 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4295 {
4296 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, dv->GetId() );
4297
4298 wxDataViewItem item( (void*) iter->user_data );;
4299 event.SetItem( item );
4300 event.SetModel( dv->GetModel() );
4301 dv->HandleWindowEvent( event );
4302
4303 return !event.IsAllowed();
4304 }
4305
4306 static void
4307 wxdataview_row_expanded_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4308 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4309 {
4310 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, dv->GetId() );
4311
4312 wxDataViewItem item( (void*) iter->user_data );;
4313 event.SetItem( item );
4314 event.SetModel( dv->GetModel() );
4315 dv->HandleWindowEvent( event );
4316 }
4317
4318 static gboolean
4319 wxdataview_test_collapse_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4320 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4321 {
4322 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, dv->GetId() );
4323
4324 wxDataViewItem item( (void*) iter->user_data );;
4325 event.SetItem( item );
4326 event.SetModel( dv->GetModel() );
4327 dv->HandleWindowEvent( event );
4328
4329 return !event.IsAllowed();
4330 }
4331
4332 static void
4333 wxdataview_row_collapsed_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4334 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4335 {
4336 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, dv->GetId() );
4337
4338 wxDataViewItem item( (void*) iter->user_data );;
4339 event.SetItem( item );
4340 event.SetModel( dv->GetModel() );
4341 dv->HandleWindowEvent( event );
4342 }
4343
4344 //-----------------------------------------------------------------------------
4345 // wxDataViewCtrl
4346 //-----------------------------------------------------------------------------
4347
4348 void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)
4349 {
4350 GtkWidget* treeview = GtkGetTreeView();
4351
4352 // Insert widget in GtkTreeView
4353 if (gtk_widget_get_realized(treeview))
4354 gtk_widget_set_parent_window( child->m_widget,
4355 gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
4356 gtk_widget_set_parent( child->m_widget, treeview );
4357 }
4358
4359 static
4360 void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),
4361 GtkAllocation *WXUNUSED(gtk_alloc),
4362 wxDataViewCtrl *win )
4363 {
4364 wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
4365 while (node)
4366 {
4367 wxWindow *child = node->GetData();
4368
4369 GtkRequisition req;
4370 gtk_widget_size_request( child->m_widget, &req );
4371
4372 GtkAllocation alloc;
4373 alloc.x = child->m_x;
4374 alloc.y = child->m_y;
4375 alloc.width = child->m_width;
4376 alloc.height = child->m_height;
4377 gtk_widget_size_allocate( child->m_widget, &alloc );
4378
4379 node = node->GetNext();
4380 }
4381 }
4382
4383
4384 //-----------------------------------------------------------------------------
4385 // "motion_notify_event"
4386 //-----------------------------------------------------------------------------
4387
4388 static gboolean
4389 gtk_dataview_motion_notify_callback( GtkWidget *WXUNUSED(widget),
4390 GdkEventMotion *gdk_event,
4391 wxDataViewCtrl *dv )
4392 {
4393 if (gdk_event->is_hint)
4394 {
4395 int x = 0;
4396 int y = 0;
4397 GdkModifierType state;
4398 gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
4399 gdk_event->x = x;
4400 gdk_event->y = y;
4401 }
4402
4403 wxGtkTreePath path;
4404 GtkTreeViewColumn *column = NULL;
4405 gint cell_x = 0;
4406 gint cell_y = 0;
4407 if (gtk_tree_view_get_path_at_pos(
4408 GTK_TREE_VIEW(dv->GtkGetTreeView()),
4409 (int) gdk_event->x, (int) gdk_event->y,
4410 path.ByRef(),
4411 &column,
4412 &cell_x,
4413 &cell_y))
4414 {
4415 if (path)
4416 {
4417 GtkTreeIter iter;
4418 dv->GtkGetInternal()->get_iter( &iter, path );
4419 }
4420 }
4421
4422
4423 return FALSE;
4424 }
4425
4426 //-----------------------------------------------------------------------------
4427 // "button_press_event"
4428 //-----------------------------------------------------------------------------
4429
4430 static gboolean
4431 gtk_dataview_button_press_callback( GtkWidget *WXUNUSED(widget),
4432 GdkEventButton *gdk_event,
4433 wxDataViewCtrl *dv )
4434 {
4435 if ((gdk_event->button == 3) && (gdk_event->type == GDK_BUTTON_PRESS))
4436 {
4437 wxGtkTreePath path;
4438 GtkTreeViewColumn *column = NULL;
4439 gint cell_x = 0;
4440 gint cell_y = 0;
4441 gtk_tree_view_get_path_at_pos
4442 (
4443 GTK_TREE_VIEW(dv->GtkGetTreeView()),
4444 (int) gdk_event->x, (int) gdk_event->y,
4445 path.ByRef(),
4446 &column,
4447 &cell_x,
4448 &cell_y
4449 );
4450
4451 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, dv->GetId() );
4452 if (path)
4453 event.SetItem(dv->GTKPathToItem(path));
4454 event.SetModel( dv->GetModel() );
4455 return dv->HandleWindowEvent( event );
4456 }
4457
4458 return FALSE;
4459 }
4460
4461 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4462
4463 wxDataViewCtrl::~wxDataViewCtrl()
4464 {
4465 // Stop editing before destroying the control to remove any event handlers
4466 // which are added when editing started: if we didn't do this, the base
4467 // class dtor would assert as it checks for any leftover handlers.
4468 if ( m_treeview )
4469 {
4470 GtkTreeViewColumn *col;
4471 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
4472
4473 wxDataViewColumn * const wxcol = FromGTKColumn(col);
4474 if ( wxcol )
4475 {
4476 // This won't do anything if we're not editing it
4477 wxcol->GetRenderer()->CancelEditing();
4478 }
4479 }
4480
4481 m_cols.Clear();
4482
4483 delete m_internal;
4484 }
4485
4486 void wxDataViewCtrl::Init()
4487 {
4488 m_internal = NULL;
4489
4490 m_cols.DeleteContents( true );
4491
4492 m_uniformRowHeight = -1;
4493 }
4494
4495 bool wxDataViewCtrl::Create(wxWindow *parent,
4496 wxWindowID id,
4497 const wxPoint& pos,
4498 const wxSize& size,
4499 long style,
4500 const wxValidator& validator,
4501 const wxString& name)
4502 {
4503 if (!PreCreation( parent, pos, size ) ||
4504 !CreateBase( parent, id, pos, size, style, validator, name ))
4505 {
4506 wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
4507 return false;
4508 }
4509
4510 m_widget = gtk_scrolled_window_new (NULL, NULL);
4511 g_object_ref(m_widget);
4512
4513 GTKScrolledWindowSetBorder(m_widget, style);
4514
4515 m_treeview = gtk_tree_view_new();
4516 gtk_container_add (GTK_CONTAINER (m_widget), m_treeview);
4517
4518 m_focusWidget = GTK_WIDGET(m_treeview);
4519
4520 g_signal_connect (m_treeview, "size_allocate",
4521 G_CALLBACK (gtk_dataviewctrl_size_callback), this);
4522
4523 #ifdef __WXGTK26__
4524 if (!gtk_check_version(2,6,0))
4525 {
4526 bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
4527 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4528 }
4529 #endif
4530
4531 if (style & wxDV_MULTIPLE)
4532 {
4533 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4534 gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
4535 }
4536
4537 gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(m_treeview), (style & wxDV_NO_HEADER) == 0 );
4538
4539 #ifdef __WXGTK210__
4540 if (!gtk_check_version(2,10,0))
4541 {
4542 GtkTreeViewGridLines grid = GTK_TREE_VIEW_GRID_LINES_NONE;
4543
4544 if ((style & wxDV_HORIZ_RULES) != 0 &&
4545 (style & wxDV_VERT_RULES) != 0)
4546 grid = GTK_TREE_VIEW_GRID_LINES_BOTH;
4547 else if (style & wxDV_VERT_RULES)
4548 grid = GTK_TREE_VIEW_GRID_LINES_VERTICAL;
4549 else if (style & wxDV_HORIZ_RULES)
4550 grid = GTK_TREE_VIEW_GRID_LINES_HORIZONTAL;
4551
4552 if (grid != GTK_TREE_VIEW_GRID_LINES_NONE)
4553 gtk_tree_view_set_grid_lines( GTK_TREE_VIEW(m_treeview), grid );
4554 }
4555 #endif
4556
4557 gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_ROW_LINES) != 0 );
4558
4559 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),
4560 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
4561 gtk_widget_show (m_treeview);
4562
4563 m_parent->DoAddChild( this );
4564
4565 PostCreation(size);
4566
4567 GtkEnableSelectionEvents();
4568
4569 g_signal_connect_after (m_treeview, "row-activated",
4570 G_CALLBACK (wxdataview_row_activated_callback), this);
4571
4572 g_signal_connect (m_treeview, "test-collapse-row",
4573 G_CALLBACK (wxdataview_test_collapse_row_callback), this);
4574
4575 g_signal_connect_after (m_treeview, "row-collapsed",
4576 G_CALLBACK (wxdataview_row_collapsed_callback), this);
4577
4578 g_signal_connect (m_treeview, "test-expand-row",
4579 G_CALLBACK (wxdataview_test_expand_row_callback), this);
4580
4581 g_signal_connect_after (m_treeview, "row-expanded",
4582 G_CALLBACK (wxdataview_row_expanded_callback), this);
4583
4584 g_signal_connect (m_treeview, "motion_notify_event",
4585 G_CALLBACK (gtk_dataview_motion_notify_callback), this);
4586
4587 g_signal_connect (m_treeview, "button_press_event",
4588 G_CALLBACK (gtk_dataview_button_press_callback), this);
4589
4590 return true;
4591 }
4592
4593 wxDataViewItem wxDataViewCtrl::GTKPathToItem(GtkTreePath *path) const
4594 {
4595 GtkTreeIter iter;
4596 return wxDataViewItem(path && m_internal->get_iter(&iter, path)
4597 ? iter.user_data
4598 : NULL);
4599 }
4600
4601 void wxDataViewCtrl::OnInternalIdle()
4602 {
4603 wxWindow::OnInternalIdle();
4604
4605 m_internal->OnInternalIdle();
4606
4607 unsigned int cols = GetColumnCount();
4608 unsigned int i;
4609 for (i = 0; i < cols; i++)
4610 {
4611 wxDataViewColumn *col = GetColumn( i );
4612 col->OnInternalIdle();
4613 }
4614
4615 if (m_ensureVisibleDefered.IsOk())
4616 {
4617 ExpandAncestors(m_ensureVisibleDefered);
4618 GtkTreeIter iter;
4619 iter.user_data = (gpointer) m_ensureVisibleDefered.GetID();
4620 wxGtkTreePath path(m_internal->get_path( &iter ));
4621 gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
4622 m_ensureVisibleDefered = wxDataViewItem(0);
4623 }
4624 }
4625
4626 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4627 {
4628 wxDELETE(m_internal);
4629
4630 if (!wxDataViewCtrlBase::AssociateModel( model ))
4631 return false;
4632
4633 #ifdef __WXGTK26__
4634 if (!gtk_check_version(2,6,0))
4635 {
4636 bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
4637 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4638 }
4639 #endif
4640
4641 m_internal = new wxDataViewCtrlInternal( this, model );
4642
4643 return true;
4644 }
4645
4646 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4647 {
4648 return m_internal->EnableDragSource( format );
4649 }
4650
4651 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4652 {
4653 return m_internal->EnableDropTarget( format );
4654 }
4655
4656 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4657 {
4658 if (!wxDataViewCtrlBase::AppendColumn(col))
4659 return false;
4660
4661 m_cols.Append( col );
4662
4663 #ifdef __WXGTK26__
4664 if (!gtk_check_version(2,6,0))
4665 {
4666 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4667 GTK_TREE_VIEW_COLUMN_FIXED)
4668 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4669 }
4670 #endif
4671
4672 gtk_tree_view_append_column( GTK_TREE_VIEW(m_treeview),
4673 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4674
4675 return true;
4676 }
4677
4678 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4679 {
4680 if (!wxDataViewCtrlBase::PrependColumn(col))
4681 return false;
4682
4683 m_cols.Insert( col );
4684
4685 #ifdef __WXGTK26__
4686 if (!gtk_check_version(2,6,0))
4687 {
4688 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4689 GTK_TREE_VIEW_COLUMN_FIXED)
4690 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4691 }
4692 #endif
4693
4694 gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4695 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), 0 );
4696
4697 return true;
4698 }
4699
4700 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4701 {
4702 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4703 return false;
4704
4705 m_cols.Insert( pos, col );
4706
4707 #ifdef __WXGTK26__
4708 if (!gtk_check_version(2,6,0))
4709 {
4710 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4711 GTK_TREE_VIEW_COLUMN_FIXED)
4712 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4713 }
4714 #endif
4715
4716 gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4717 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), pos );
4718
4719 return true;
4720 }
4721
4722 unsigned int wxDataViewCtrl::GetColumnCount() const
4723 {
4724 return m_cols.GetCount();
4725 }
4726
4727 wxDataViewColumn* wxDataViewCtrl::FromGTKColumn(GtkTreeViewColumn *gtk_col) const
4728 {
4729 if ( !gtk_col )
4730 return NULL;
4731
4732 wxDataViewColumnList::const_iterator iter;
4733 for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4734 {
4735 wxDataViewColumn *col = *iter;
4736 if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)
4737 {
4738 return col;
4739 }
4740 }
4741
4742 wxFAIL_MSG( "No matching column?" );
4743
4744 return NULL;
4745 }
4746
4747 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
4748 {
4749 GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
4750
4751 return FromGTKColumn(gtk_col);
4752 }
4753
4754 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4755 {
4756 gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4757 GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
4758
4759 m_cols.DeleteObject( column );
4760
4761 return true;
4762 }
4763
4764 bool wxDataViewCtrl::ClearColumns()
4765 {
4766 wxDataViewColumnList::iterator iter;
4767 for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4768 {
4769 wxDataViewColumn *col = *iter;
4770 gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4771 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4772 }
4773
4774 m_cols.Clear();
4775
4776 return true;
4777 }
4778
4779 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4780 {
4781 GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
4782
4783 wxGtkList list(gtk_tree_view_get_columns(GTK_TREE_VIEW(m_treeview)));
4784
4785 return g_list_index( list, (gconstpointer) gtk_column );
4786 }
4787
4788 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4789 {
4790 return m_internal->GetDataViewSortColumn();
4791 }
4792
4793 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4794 {
4795 GtkTreeIter iter;
4796 iter.user_data = item.GetID();
4797 wxGtkTreePath path(m_internal->get_path( &iter ));
4798 gtk_tree_view_expand_row( GTK_TREE_VIEW(m_treeview), path, false );
4799 }
4800
4801 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4802 {
4803 GtkTreeIter iter;
4804 iter.user_data = item.GetID();
4805 wxGtkTreePath path(m_internal->get_path( &iter ));
4806 gtk_tree_view_collapse_row( GTK_TREE_VIEW(m_treeview), path );
4807 }
4808
4809 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4810 {
4811 GtkTreeIter iter;
4812 iter.user_data = item.GetID();
4813 wxGtkTreePath path(m_internal->get_path( &iter ));
4814 return gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path );
4815 }
4816
4817 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4818 {
4819 // The tree doesn't have any current item if it hadn't been created yet but
4820 // it's arguably not an error to call this function in this case so just
4821 // return an invalid item without asserting.
4822 if ( !m_treeview )
4823 return wxDataViewItem();
4824
4825 wxGtkTreePath path;
4826 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), path.ByRef(), NULL);
4827
4828 return GTKPathToItem(path);
4829 }
4830
4831 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4832 {
4833 wxCHECK_RET( m_treeview,
4834 "Current item can't be set before creating the control." );
4835
4836 // We need to make sure the model knows about this item or the path would
4837 // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4838 ExpandAncestors(item);
4839
4840 // We also need to preserve the existing selection from changing.
4841 // Unfortunately the only way to do it seems to use our own selection
4842 // function and forbid any selection changes during set cursor call.
4843 wxGtkTreeSelectionLock
4844 lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4845
4846 // Do move the cursor now.
4847 GtkTreeIter iter;
4848 iter.user_data = item.GetID();
4849 wxGtkTreePath path(m_internal->get_path( &iter ));
4850
4851 gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
4852 }
4853
4854 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
4855 {
4856 // The tree doesn't have any current item if it hadn't been created yet but
4857 // it's arguably not an error to call this function in this case so just
4858 // return NULL without asserting.
4859 if ( !m_treeview )
4860 return NULL;
4861
4862 GtkTreeViewColumn *col;
4863 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
4864 return FromGTKColumn(col);
4865 }
4866
4867 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
4868 {
4869 wxCHECK_RET( m_treeview,
4870 "Current item can't be set before creating the control." );
4871 wxCHECK_RET( item.IsOk(), "invalid item" );
4872 wxCHECK_RET( column, "no column provided" );
4873
4874 // We need to make sure the model knows about this item or the path would
4875 // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4876 ExpandAncestors(item);
4877
4878 GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
4879
4880 // We also need to preserve the existing selection from changing.
4881 // Unfortunately the only way to do it seems to use our own selection
4882 // function and forbid any selection changes during set cursor call.
4883 wxGtkTreeSelectionLock
4884 lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4885
4886 // Do move the cursor now.
4887 GtkTreeIter iter;
4888 iter.user_data = item.GetID();
4889 wxGtkTreePath path(m_internal->get_path( &iter ));
4890
4891 gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, gcolumn, TRUE);
4892 }
4893
4894 int wxDataViewCtrl::GetSelectedItemsCount() const
4895 {
4896 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4897
4898 return gtk_tree_selection_count_selected_rows(selection);
4899 }
4900
4901 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4902 {
4903 sel.Clear();
4904
4905 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4906 if (HasFlag(wxDV_MULTIPLE))
4907 {
4908 GtkTreeModel *model;
4909 wxGtkTreePathList list(gtk_tree_selection_get_selected_rows(selection, &model));
4910
4911 for ( GList* current = list; current; current = g_list_next(current) )
4912 {
4913 GtkTreePath *path = (GtkTreePath*) current->data;
4914
4915 sel.Add(GTKPathToItem(path));
4916 }
4917 }
4918 else
4919 {
4920 GtkTreeIter iter;
4921 if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
4922 {
4923 sel.Add( wxDataViewItem(iter.user_data) );
4924 }
4925 }
4926
4927 return sel.size();
4928 }
4929
4930 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4931 {
4932 GtkDisableSelectionEvents();
4933
4934 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4935
4936 gtk_tree_selection_unselect_all( selection );
4937
4938 wxDataViewItem last_parent;
4939
4940 size_t i;
4941 for (i = 0; i < sel.GetCount(); i++)
4942 {
4943 wxDataViewItem item = sel[i];
4944 wxDataViewItem parent = GetModel()->GetParent( item );
4945 if (parent)
4946 {
4947 if (parent != last_parent)
4948 ExpandAncestors(item);
4949 }
4950 last_parent = parent;
4951
4952 GtkTreeIter iter;
4953 iter.stamp = m_internal->GetGtkModel()->stamp;
4954 iter.user_data = (gpointer) item.GetID();
4955 gtk_tree_selection_select_iter( selection, &iter );
4956 }
4957
4958 GtkEnableSelectionEvents();
4959 }
4960
4961 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4962 {
4963 ExpandAncestors(item);
4964
4965 GtkDisableSelectionEvents();
4966
4967 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4968
4969 GtkTreeIter iter;
4970 iter.stamp = m_internal->GetGtkModel()->stamp;
4971 iter.user_data = (gpointer) item.GetID();
4972 gtk_tree_selection_select_iter( selection, &iter );
4973
4974 GtkEnableSelectionEvents();
4975 }
4976
4977 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4978 {
4979 GtkDisableSelectionEvents();
4980
4981 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4982
4983 GtkTreeIter iter;
4984 iter.stamp = m_internal->GetGtkModel()->stamp;
4985 iter.user_data = (gpointer) item.GetID();
4986 gtk_tree_selection_unselect_iter( selection, &iter );
4987
4988 GtkEnableSelectionEvents();
4989 }
4990
4991 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4992 {
4993 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4994
4995 GtkTreeIter iter;
4996 iter.stamp = m_internal->GetGtkModel()->stamp;
4997 iter.user_data = (gpointer) item.GetID();
4998
4999 return gtk_tree_selection_iter_is_selected( selection, &iter );
5000 }
5001
5002 void wxDataViewCtrl::SelectAll()
5003 {
5004 GtkDisableSelectionEvents();
5005
5006 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5007
5008 gtk_tree_selection_select_all( selection );
5009
5010 GtkEnableSelectionEvents();
5011 }
5012
5013 void wxDataViewCtrl::UnselectAll()
5014 {
5015 GtkDisableSelectionEvents();
5016
5017 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5018
5019 gtk_tree_selection_unselect_all( selection );
5020
5021 GtkEnableSelectionEvents();
5022 }
5023
5024 void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
5025 const wxDataViewColumn *WXUNUSED(column))
5026 {
5027 m_ensureVisibleDefered = item;
5028 ExpandAncestors(item);
5029
5030 GtkTreeIter iter;
5031 iter.user_data = (gpointer) item.GetID();
5032 wxGtkTreePath path(m_internal->get_path( &iter ));
5033 gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
5034 }
5035
5036 void wxDataViewCtrl::HitTest(const wxPoint& point,
5037 wxDataViewItem& item,
5038 wxDataViewColumn *& column) const
5039 {
5040 // gtk_tree_view_get_dest_row_at_pos() is the right one. But it does not tell the column.
5041 // gtk_tree_view_get_path_at_pos() is the wrong function. It doesn't mind the header but returns column.
5042 // See http://mail.gnome.org/archives/gtkmm-list/2005-January/msg00080.html
5043 // So we have to use both of them.
5044 item = wxDataViewItem(0);
5045 column = NULL;
5046 wxGtkTreePath path, pathScratch;
5047 GtkTreeViewColumn* GtkColumn = NULL;
5048 GtkTreeViewDropPosition pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
5049 gint cell_x = 0;
5050 gint cell_y = 0;
5051
5052 // cannot directly call GtkGetTreeView(), HitTest is const and so is this pointer
5053 wxDataViewCtrl* self = const_cast<wxDataViewCtrl *>(this); // ugly workaround, self is NOT const
5054 GtkTreeView* treeView = GTK_TREE_VIEW(self->GtkGetTreeView());
5055
5056 // is there possibly a better suited function to get the column?
5057 gtk_tree_view_get_path_at_pos( // and this is the wrong call but it delivers the column
5058 treeView,
5059 (int) point.x, (int) point.y,
5060 pathScratch.ByRef(),
5061 &GtkColumn, // here we get the GtkColumn
5062 &cell_x,
5063 &cell_y );
5064
5065 if ( GtkColumn != NULL )
5066 {
5067 // we got GTK column
5068 // the right call now which takes the header into account
5069 gtk_tree_view_get_dest_row_at_pos( treeView, (int) point.x, (int) point.y, path.ByRef(), &pos);
5070
5071 if (path)
5072 item = wxDataViewItem(GTKPathToItem(path));
5073 // else we got a GTK column but the position is not over an item, e.g. below last item
5074 for ( unsigned int i=0, cols=GetColumnCount(); i<cols; ++i ) // search the wx column
5075 {
5076 wxDataViewColumn* col = GetColumn(i);
5077 if ( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == GtkColumn )
5078 {
5079 column = col; // here we get the wx column
5080 break;
5081 }
5082 }
5083 }
5084 // else no column and thus no item, both null
5085 }
5086
5087 wxRect
5088 wxDataViewCtrl::GetItemRect(const wxDataViewItem& WXUNUSED(item),
5089 const wxDataViewColumn *WXUNUSED(column)) const
5090 {
5091 return wxRect();
5092 }
5093
5094 bool wxDataViewCtrl::SetRowHeight(int rowHeight)
5095 {
5096 m_uniformRowHeight = rowHeight;
5097 return true;
5098 }
5099
5100 void wxDataViewCtrl::DoSetExpanderColumn()
5101 {
5102 gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),
5103 GTK_TREE_VIEW_COLUMN( GetExpanderColumn()->GetGtkHandle() ) );
5104 }
5105
5106 void wxDataViewCtrl::DoSetIndent()
5107 {
5108 }
5109
5110 void wxDataViewCtrl::GtkDisableSelectionEvents()
5111 {
5112 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5113 g_signal_handlers_disconnect_by_func( selection,
5114 (gpointer) (wxdataview_selection_changed_callback), this);
5115 }
5116
5117 void wxDataViewCtrl::GtkEnableSelectionEvents()
5118 {
5119 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5120 g_signal_connect_after (selection, "changed",
5121 G_CALLBACK (wxdataview_selection_changed_callback), this);
5122 }
5123
5124 // ----------------------------------------------------------------------------
5125 // visual attributes stuff
5126 // ----------------------------------------------------------------------------
5127
5128 // static
5129 wxVisualAttributes
5130 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
5131 {
5132 return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new);
5133 }
5134
5135 void wxDataViewCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
5136 {
5137 wxDataViewCtrlBase::DoApplyWidgetStyle(style);
5138 gtk_widget_modify_style(m_treeview, style);
5139 }
5140
5141 #endif // !wxUSE_GENERICDATAVIEWCTRL
5142
5143 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)