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