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