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[wxWidgets.git] / src / gtk / dataview.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/dataview.cpp
3 // Purpose: wxDataViewCtrl GTK+2 implementation
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 #if wxUSE_DATAVIEWCTRL
14
15 #include "wx/dataview.h"
16
17 #ifndef wxUSE_GENERICDATAVIEWCTRL
18
19 #ifndef WX_PRECOMP
20 #include "wx/log.h"
21 #include "wx/dcclient.h"
22 #include "wx/sizer.h"
23 #include "wx/settings.h"
24 #include "wx/crt.h"
25 #endif
26
27 #include "wx/stockitem.h"
28 #include "wx/popupwin.h"
29 #include "wx/listimpl.cpp"
30
31 #include "wx/gtk/dc.h"
32 #ifndef __WXGTK3__
33 #include "wx/gtk/dcclient.h"
34 #endif
35
36 #include <gtk/gtk.h>
37 #include "wx/gtk/private.h"
38 #include "wx/gtk/private/event.h"
39 #include "wx/gtk/private/gdkconv.h"
40 #include "wx/gtk/private/gtk2-compat.h"
41 #include "wx/gtk/private/list.h"
42 using namespace wxGTKImpl;
43
44 class wxGtkDataViewModelNotifier;
45
46 #ifdef __WXGTK3__
47 #define wxConstGdkRect const GdkRectangle
48 #else
49 #define wxConstGdkRect GdkRectangle
50 #endif
51
52 //-----------------------------------------------------------------------------
53 //-----------------------------------------------------------------------------
54
55 static wxDataViewCtrlInternal *gs_internal = NULL;
56
57 class wxGtkTreeModelNode;
58
59 extern "C" {
60 typedef struct _GtkWxTreeModel GtkWxTreeModel;
61 }
62
63 // ----------------------------------------------------------------------------
64 // wxGtkTreePath: self-destroying GtkTreePath
65 // ----------------------------------------------------------------------------
66
67 // Usually this object is initialized with the associated GtkTreePath
68 // immediately when it's constructed but it can also be changed later either by
69 // using Assign() or by getting the pointer to the internally stored pointer
70 // value using ByRef(). The latter should be avoided but is very convenient
71 // when using GTK functions with GtkTreePath output parameters.
72 class wxGtkTreePath
73 {
74 public:
75 // Ctor takes ownership of the given path and will free it if non-NULL.
76 wxGtkTreePath(GtkTreePath *path = NULL) : m_path(path) { }
77
78 // Creates a tree path for the given string path.
79 wxGtkTreePath(const gchar *strpath)
80 : m_path(gtk_tree_path_new_from_string(strpath))
81 {
82 }
83
84 // Set the stored pointer if not done by ctor.
85 void Assign(GtkTreePath *path)
86 {
87 wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
88
89 m_path = path;
90 }
91
92 // Return the pointer to the internally stored pointer. This should only be
93 // used to initialize the object by passing it to some GTK function.
94 GtkTreePath **ByRef()
95 {
96 wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
97
98 return &m_path;
99 }
100
101
102 operator GtkTreePath *() const { return m_path; }
103
104 ~wxGtkTreePath() { if ( m_path ) gtk_tree_path_free(m_path); }
105
106 private:
107 GtkTreePath *m_path;
108
109 wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
110 };
111
112 // ----------------------------------------------------------------------------
113 // wxGtkTreePathList: self-destroying list of GtkTreePath objects.
114 // ----------------------------------------------------------------------------
115
116 class wxGtkTreePathList : public wxGtkList
117 {
118 public:
119 // Ctor takes ownership of the list.
120 explicit wxGtkTreePathList(GList* list)
121 : wxGtkList(list)
122 {
123 }
124
125 ~wxGtkTreePathList()
126 {
127 // Delete the list contents, wxGtkList will delete the list itself.
128 g_list_foreach(m_list, (GFunc)gtk_tree_path_free, NULL);
129 }
130 };
131
132 // ----------------------------------------------------------------------------
133 // wxGtkTreeSelectionLock: prevent selection from changing during the
134 // lifetime of this object
135 // ----------------------------------------------------------------------------
136
137 // Implementation note: it could be expected that setting the selection
138 // function in this class ctor and resetting it back to the old value in its
139 // dtor would work. However currently gtk_tree_selection_get_select_function()
140 // can't be passed NULL (see https://bugzilla.gnome.org/show_bug.cgi?id=626276)
141 // so we can't do this. Instead, we always use the selection function (which
142 // imposes extra overhead, albeit minimal one, on all selection operations) and
143 // just set/reset the flag telling it whether it should allow or forbid the
144 // selection.
145 //
146 // Also notice that currently only a single object of this class may exist at
147 // any given moment. It's just simpler like this and we don't need anything
148 // more for now.
149
150 extern "C" {
151 static
152 gboolean wxdataview_selection_func(GtkTreeSelection * WXUNUSED(selection),
153 GtkTreeModel * WXUNUSED(model),
154 GtkTreePath * WXUNUSED(path),
155 gboolean WXUNUSED(path_currently_selected),
156 gpointer data)
157 {
158 return data == NULL;
159 }
160 }
161
162 class wxGtkTreeSelectionLock
163 {
164 public:
165 wxGtkTreeSelectionLock(GtkTreeSelection *selection)
166 : m_selection(selection)
167 {
168 wxASSERT_MSG( !ms_instance, "this class is not reentrant currently" );
169
170 ms_instance = this;
171
172 CheckCurrentSelectionFunc(NULL);
173
174 // Pass some non-NULL pointer as "data" for the callback, it doesn't
175 // matter what it is as long as it's non-NULL.
176 gtk_tree_selection_set_select_function(selection,
177 wxdataview_selection_func,
178 this,
179 NULL);
180 }
181
182 ~wxGtkTreeSelectionLock()
183 {
184 CheckCurrentSelectionFunc(wxdataview_selection_func);
185
186 gtk_tree_selection_set_select_function(m_selection,
187 wxdataview_selection_func,
188 NULL,
189 NULL);
190
191 ms_instance = NULL;
192 }
193
194 private:
195 void CheckCurrentSelectionFunc(GtkTreeSelectionFunc func)
196 {
197 // We can only use gtk_tree_selection_get_select_function() with 2.14+
198 // so check for its availability both during compile- and run-time.
199 #if GTK_CHECK_VERSION(2, 14, 0)
200 #ifndef __WXGTK3__
201 if ( gtk_check_version(2, 14, 0) != NULL )
202 return;
203 #endif
204
205 // If this assert is triggered, it means the code elsewhere has called
206 // gtk_tree_selection_set_select_function() but currently doing this
207 // breaks this class so the code here needs to be changed.
208 wxASSERT_MSG
209 (
210 gtk_tree_selection_get_select_function(m_selection) == func,
211 "selection function has changed unexpectedly, review this code!"
212 );
213 #endif // GTK+ 2.14+
214
215 wxUnusedVar(func);
216 }
217
218 static wxGtkTreeSelectionLock *ms_instance;
219
220 GtkTreeSelection * const m_selection;
221
222 wxDECLARE_NO_COPY_CLASS(wxGtkTreeSelectionLock);
223 };
224
225 wxGtkTreeSelectionLock *wxGtkTreeSelectionLock::ms_instance = NULL;
226
227 //-----------------------------------------------------------------------------
228 // wxDataViewCtrlInternal
229 //-----------------------------------------------------------------------------
230
231 WX_DECLARE_LIST(wxDataViewItem, ItemList);
232 WX_DEFINE_LIST(ItemList)
233
234 class wxDataViewCtrlInternal
235 {
236 public:
237 wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model );
238 ~wxDataViewCtrlInternal();
239
240 // model iface
241 GtkTreeModelFlags get_flags();
242 gboolean get_iter( GtkTreeIter *iter, GtkTreePath *path );
243 GtkTreePath *get_path( GtkTreeIter *iter);
244 gboolean iter_next( GtkTreeIter *iter );
245 gboolean iter_children( GtkTreeIter *iter, GtkTreeIter *parent);
246 gboolean iter_has_child( GtkTreeIter *iter );
247 gint iter_n_children( GtkTreeIter *iter );
248 gboolean iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n );
249 gboolean iter_parent( GtkTreeIter *iter, GtkTreeIter *child );
250
251 // dnd iface
252
253 bool EnableDragSource( const wxDataFormat &format );
254 bool EnableDropTarget( const wxDataFormat &format );
255
256 gboolean row_draggable( GtkTreeDragSource *drag_source, GtkTreePath *path );
257 gboolean drag_data_delete( GtkTreeDragSource *drag_source, GtkTreePath* path );
258 gboolean drag_data_get( GtkTreeDragSource *drag_source, GtkTreePath *path,
259 GtkSelectionData *selection_data );
260 gboolean drag_data_received( GtkTreeDragDest *drag_dest, GtkTreePath *dest,
261 GtkSelectionData *selection_data );
262 gboolean row_drop_possible( GtkTreeDragDest *drag_dest, GtkTreePath *dest_path,
263 GtkSelectionData *selection_data );
264
265 // notifactions from wxDataViewModel
266 bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
267 bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
268 bool ItemChanged( const wxDataViewItem &item );
269 bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
270 bool Cleared();
271 bool BeforeReset();
272 bool AfterReset();
273 void Resort();
274
275 // sorting interface
276 void SetSortOrder( GtkSortType sort_order ) { m_sort_order = sort_order; }
277 GtkSortType GetSortOrder() const { return m_sort_order; }
278
279 void SetSortColumn( int column ) { m_sort_column = column; }
280 int GetSortColumn() const { return m_sort_column; }
281
282 void SetDataViewSortColumn( wxDataViewColumn *column ) { m_dataview_sort_column = column; }
283 wxDataViewColumn *GetDataViewSortColumn() { return m_dataview_sort_column; }
284
285 bool IsSorted() const { return m_sort_column >= 0; }
286
287 // Should we be sorted either because we have a configured sort column or
288 // because we have a default sort order?
289 bool ShouldBeSorted() const
290 {
291 return IsSorted() || GetDataViewModel()->HasDefaultCompare();
292 }
293
294
295 // accessors
296 wxDataViewModel* GetDataViewModel() { return m_wx_model; }
297 const wxDataViewModel* GetDataViewModel() const { return m_wx_model; }
298 wxDataViewCtrl* GetOwner() { return m_owner; }
299 GtkWxTreeModel* GetGtkModel() { return m_gtk_model; }
300
301 // item can be deleted already in the model
302 int GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item );
303
304 void OnInternalIdle();
305
306 protected:
307 void InitTree();
308 void ScheduleRefresh();
309
310 wxGtkTreeModelNode *FindNode( const wxDataViewItem &item );
311 wxGtkTreeModelNode *FindNode( GtkTreeIter *iter );
312 wxGtkTreeModelNode *FindParentNode( const wxDataViewItem &item );
313 wxGtkTreeModelNode *FindParentNode( GtkTreeIter *iter );
314 void BuildBranch( wxGtkTreeModelNode *branch );
315
316 private:
317 wxGtkTreeModelNode *m_root;
318 wxDataViewModel *m_wx_model;
319 GtkWxTreeModel *m_gtk_model;
320 wxDataViewCtrl *m_owner;
321 GtkSortType m_sort_order;
322 wxDataViewColumn *m_dataview_sort_column;
323 int m_sort_column;
324
325 GtkTargetEntry m_dragSourceTargetEntry;
326 wxCharBuffer m_dragSourceTargetEntryTarget;
327 wxDataObject *m_dragDataObject;
328
329 GtkTargetEntry m_dropTargetTargetEntry;
330 wxCharBuffer m_dropTargetTargetEntryTarget;
331 wxDataObject *m_dropDataObject;
332
333 wxGtkDataViewModelNotifier *m_notifier;
334
335 bool m_dirty;
336 };
337
338
339 //-----------------------------------------------------------------------------
340 // wxGtkTreeModelNode
341 //-----------------------------------------------------------------------------
342
343 static
344 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
345 {
346 int ret = gs_internal->GetDataViewModel()->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2),
347 gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
348
349 return ret;
350 }
351
352 WX_DEFINE_ARRAY_PTR( wxGtkTreeModelNode*, wxGtkTreeModelNodes );
353 WX_DEFINE_ARRAY_PTR( void*, wxGtkTreeModelChildren );
354
355 class wxGtkTreeModelNode
356 {
357 public:
358 wxGtkTreeModelNode( wxGtkTreeModelNode* parent, const wxDataViewItem &item,
359 wxDataViewCtrlInternal *internal )
360 {
361 m_parent = parent;
362 m_item = item;
363 m_internal = internal;
364 }
365
366 ~wxGtkTreeModelNode()
367 {
368 size_t count = m_nodes.GetCount();
369 size_t i;
370 for (i = 0; i < count; i++)
371 {
372 wxGtkTreeModelNode *child = m_nodes.Item( i );
373 delete child;
374 }
375 }
376
377 void AddNode( wxGtkTreeModelNode* child )
378 {
379 m_nodes.Add( child );
380
381 void *id = child->GetItem().GetID();
382
383 m_children.Add( id );
384
385 if (m_internal->ShouldBeSorted())
386 {
387 gs_internal = m_internal;
388 m_children.Sort( &wxGtkTreeModelChildCmp );
389 }
390 }
391
392 void InsertNode( wxGtkTreeModelNode* child, unsigned pos )
393 {
394 if (m_internal->ShouldBeSorted())
395 {
396 AddNode(child);
397 return;
398 }
399
400 void *id = child->GetItem().GetID();
401
402 // Insert into m_nodes so that the order of nodes in m_nodes is the
403 // same as the order of their corresponding IDs in m_children:
404 const unsigned int count = m_nodes.GetCount();
405 bool inserted = false;
406 for (unsigned i = 0; i < count; i++)
407 {
408 wxGtkTreeModelNode *node = m_nodes[i];
409 int posInChildren = m_children.Index(node->GetItem().GetID());
410 if ( (unsigned)posInChildren >= pos )
411 {
412 m_nodes.Insert(child, i);
413 inserted = true;
414 break;
415 }
416 }
417 if ( !inserted )
418 m_nodes.Add(child);
419
420 m_children.Insert( id, pos );
421 }
422
423 void AddLeaf( void* id )
424 {
425 InsertLeaf(id, m_children.size());
426 }
427
428 void InsertLeaf( void* id, unsigned pos )
429 {
430 m_children.Insert( id, pos );
431
432 if (m_internal->ShouldBeSorted())
433 {
434 gs_internal = m_internal;
435 m_children.Sort( &wxGtkTreeModelChildCmp );
436 }
437 }
438
439 void DeleteChild( void* id )
440 {
441 m_children.Remove( id );
442
443 unsigned int count = m_nodes.GetCount();
444 unsigned int pos;
445 for (pos = 0; pos < count; pos++)
446 {
447 wxGtkTreeModelNode *node = m_nodes.Item( pos );
448 if (node->GetItem().GetID() == id)
449 {
450 m_nodes.RemoveAt( pos );
451 delete node;
452 break;
453 }
454 }
455 }
456
457 // returns position of child node for given item in children list or wxNOT_FOUND
458 int FindChildByItem(const wxDataViewItem& item) const
459 {
460 const void* itemId = item.GetID();
461 const wxGtkTreeModelChildren& nodes = m_children;
462 const int len = nodes.size();
463 for ( int i = 0; i < len; i++ )
464 {
465 if ( nodes[i] == itemId )
466 return i;
467 }
468 return wxNOT_FOUND;
469 }
470
471 wxGtkTreeModelNode* GetParent()
472 { return m_parent; }
473 wxGtkTreeModelNodes &GetNodes()
474 { return m_nodes; }
475 wxGtkTreeModelChildren &GetChildren()
476 { return m_children; }
477
478 unsigned int GetChildCount() const { return m_children.GetCount(); }
479 unsigned int GetNodesCount() const { return m_nodes.GetCount(); }
480
481 wxDataViewItem &GetItem() { return m_item; }
482 wxDataViewCtrlInternal *GetInternal() { return m_internal; }
483
484 void Resort();
485
486 private:
487 wxGtkTreeModelNode *m_parent;
488 wxGtkTreeModelNodes m_nodes;
489 wxGtkTreeModelChildren m_children;
490 wxDataViewItem m_item;
491 wxDataViewCtrlInternal *m_internal;
492 };
493
494
495 //-----------------------------------------------------------------------------
496 // data
497 //-----------------------------------------------------------------------------
498
499 extern bool g_blockEventsOnDrag;
500
501 //-----------------------------------------------------------------------------
502 // define new GTK+ class wxGtkTreeModel
503 //-----------------------------------------------------------------------------
504
505 extern "C" {
506
507 #define GTK_TYPE_WX_TREE_MODEL (gtk_wx_tree_model_get_type ())
508 #define GTK_WX_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModel))
509 #define GTK_IS_WX_TREE_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_TREE_MODEL))
510 #define GTK_IS_WX_TREE_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_TREE_MODEL))
511
512 GType gtk_wx_tree_model_get_type (void);
513
514 struct _GtkWxTreeModel
515 {
516 GObject parent;
517
518 /*< private >*/
519 gint stamp;
520 wxDataViewCtrlInternal *internal;
521 };
522
523 static GtkWxTreeModel *wxgtk_tree_model_new (void);
524 static void wxgtk_tree_model_init (GTypeInstance* instance, void*);
525
526 static void wxgtk_tree_model_tree_model_init (void* g_iface, void*);
527 static void wxgtk_tree_model_sortable_init (void* g_iface, void*);
528 static void wxgtk_tree_model_drag_source_init(void* g_iface, void*);
529 static void wxgtk_tree_model_drag_dest_init (void* g_iface, void*);
530
531 static GtkTreeModelFlags wxgtk_tree_model_get_flags (GtkTreeModel *tree_model);
532 static gint wxgtk_tree_model_get_n_columns (GtkTreeModel *tree_model);
533 static GType wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
534 gint index);
535 static gboolean wxgtk_tree_model_get_iter (GtkTreeModel *tree_model,
536 GtkTreeIter *iter,
537 GtkTreePath *path);
538 static GtkTreePath *wxgtk_tree_model_get_path (GtkTreeModel *tree_model,
539 GtkTreeIter *iter);
540 static void wxgtk_tree_model_get_value (GtkTreeModel *tree_model,
541 GtkTreeIter *iter,
542 gint column,
543 GValue *value);
544 static gboolean wxgtk_tree_model_iter_next (GtkTreeModel *tree_model,
545 GtkTreeIter *iter);
546 static gboolean wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
547 GtkTreeIter *iter,
548 GtkTreeIter *parent);
549 static gboolean wxgtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
550 GtkTreeIter *iter);
551 static gint wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
552 GtkTreeIter *iter);
553 static gboolean wxgtk_tree_model_iter_nth_child (GtkTreeModel *tree_model,
554 GtkTreeIter *iter,
555 GtkTreeIter *parent,
556 gint n);
557 static gboolean wxgtk_tree_model_iter_parent (GtkTreeModel *tree_model,
558 GtkTreeIter *iter,
559 GtkTreeIter *child);
560
561 /* sortable */
562 static gboolean wxgtk_tree_model_get_sort_column_id (GtkTreeSortable *sortable,
563 gint *sort_column_id,
564 GtkSortType *order);
565 static void wxgtk_tree_model_set_sort_column_id (GtkTreeSortable *sortable,
566 gint sort_column_id,
567 GtkSortType order);
568 static void wxgtk_tree_model_set_sort_func (GtkTreeSortable *sortable,
569 gint sort_column_id,
570 GtkTreeIterCompareFunc func,
571 gpointer data,
572 GDestroyNotify destroy);
573 static void wxgtk_tree_model_set_default_sort_func (GtkTreeSortable *sortable,
574 GtkTreeIterCompareFunc func,
575 gpointer data,
576 GDestroyNotify destroy);
577 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable *sortable);
578
579 /* drag'n'drop */
580 static gboolean wxgtk_tree_model_row_draggable (GtkTreeDragSource *drag_source,
581 GtkTreePath *path);
582 static gboolean wxgtk_tree_model_drag_data_delete (GtkTreeDragSource *drag_source,
583 GtkTreePath *path);
584 static gboolean wxgtk_tree_model_drag_data_get (GtkTreeDragSource *drag_source,
585 GtkTreePath *path,
586 GtkSelectionData *selection_data);
587 static gboolean wxgtk_tree_model_drag_data_received (GtkTreeDragDest *drag_dest,
588 GtkTreePath *dest,
589 GtkSelectionData *selection_data);
590 static gboolean wxgtk_tree_model_row_drop_possible (GtkTreeDragDest *drag_dest,
591 GtkTreePath *dest_path,
592 GtkSelectionData *selection_data);
593
594 GType
595 gtk_wx_tree_model_get_type (void)
596 {
597 static GType tree_model_type = 0;
598
599 if (!tree_model_type)
600 {
601 const GTypeInfo tree_model_info =
602 {
603 sizeof (GObjectClass),
604 NULL, /* base_init */
605 NULL, /* base_finalize */
606 NULL,
607 NULL, /* class_finalize */
608 NULL, /* class_data */
609 sizeof (GtkWxTreeModel),
610 0,
611 wxgtk_tree_model_init,
612 };
613
614 static const GInterfaceInfo tree_model_iface_info =
615 {
616 wxgtk_tree_model_tree_model_init,
617 NULL,
618 NULL
619 };
620
621 static const GInterfaceInfo sortable_iface_info =
622 {
623 wxgtk_tree_model_sortable_init,
624 NULL,
625 NULL
626 };
627
628 static const GInterfaceInfo drag_source_iface_info =
629 {
630 wxgtk_tree_model_drag_source_init,
631 NULL,
632 NULL
633 };
634
635 static const GInterfaceInfo drag_dest_iface_info =
636 {
637 wxgtk_tree_model_drag_dest_init,
638 NULL,
639 NULL
640 };
641
642 tree_model_type = g_type_register_static (G_TYPE_OBJECT, "GtkWxTreeModel",
643 &tree_model_info, (GTypeFlags)0 );
644
645 g_type_add_interface_static (tree_model_type,
646 GTK_TYPE_TREE_MODEL,
647 &tree_model_iface_info);
648 g_type_add_interface_static (tree_model_type,
649 GTK_TYPE_TREE_SORTABLE,
650 &sortable_iface_info);
651 g_type_add_interface_static (tree_model_type,
652 GTK_TYPE_TREE_DRAG_DEST,
653 &drag_dest_iface_info);
654 g_type_add_interface_static (tree_model_type,
655 GTK_TYPE_TREE_DRAG_SOURCE,
656 &drag_source_iface_info);
657 }
658
659 return tree_model_type;
660 }
661
662 static GtkWxTreeModel *
663 wxgtk_tree_model_new(void)
664 {
665 GtkWxTreeModel *retval = (GtkWxTreeModel *) g_object_new (GTK_TYPE_WX_TREE_MODEL, NULL);
666 return retval;
667 }
668
669 static void
670 wxgtk_tree_model_tree_model_init(void* g_iface, void*)
671 {
672 GtkTreeModelIface* iface = static_cast<GtkTreeModelIface*>(g_iface);
673 iface->get_flags = wxgtk_tree_model_get_flags;
674 iface->get_n_columns = wxgtk_tree_model_get_n_columns;
675 iface->get_column_type = wxgtk_tree_model_get_column_type;
676 iface->get_iter = wxgtk_tree_model_get_iter;
677 iface->get_path = wxgtk_tree_model_get_path;
678 iface->get_value = wxgtk_tree_model_get_value;
679 iface->iter_next = wxgtk_tree_model_iter_next;
680 iface->iter_children = wxgtk_tree_model_iter_children;
681 iface->iter_has_child = wxgtk_tree_model_iter_has_child;
682 iface->iter_n_children = wxgtk_tree_model_iter_n_children;
683 iface->iter_nth_child = wxgtk_tree_model_iter_nth_child;
684 iface->iter_parent = wxgtk_tree_model_iter_parent;
685 }
686
687 static void
688 wxgtk_tree_model_sortable_init(void* g_iface, void*)
689 {
690 GtkTreeSortableIface* iface = static_cast<GtkTreeSortableIface*>(g_iface);
691 iface->get_sort_column_id = wxgtk_tree_model_get_sort_column_id;
692 iface->set_sort_column_id = wxgtk_tree_model_set_sort_column_id;
693 iface->set_sort_func = wxgtk_tree_model_set_sort_func;
694 iface->set_default_sort_func = wxgtk_tree_model_set_default_sort_func;
695 iface->has_default_sort_func = wxgtk_tree_model_has_default_sort_func;
696 }
697
698 static void
699 wxgtk_tree_model_drag_source_init(void* g_iface, void*)
700 {
701 GtkTreeDragSourceIface* iface = static_cast<GtkTreeDragSourceIface*>(g_iface);
702 iface->row_draggable = wxgtk_tree_model_row_draggable;
703 iface->drag_data_delete = wxgtk_tree_model_drag_data_delete;
704 iface->drag_data_get = wxgtk_tree_model_drag_data_get;
705 }
706
707 static void
708 wxgtk_tree_model_drag_dest_init(void* g_iface, void*)
709 {
710 GtkTreeDragDestIface* iface = static_cast<GtkTreeDragDestIface*>(g_iface);
711 iface->drag_data_received = wxgtk_tree_model_drag_data_received;
712 iface->row_drop_possible = wxgtk_tree_model_row_drop_possible;
713 }
714
715 static void
716 wxgtk_tree_model_init(GTypeInstance* instance, void*)
717 {
718 GtkWxTreeModel* tree_model = GTK_WX_TREE_MODEL(instance);
719 tree_model->internal = NULL;
720 tree_model->stamp = g_random_int();
721 }
722
723 } // extern "C"
724
725 //-----------------------------------------------------------------------------
726 // implement callbacks from wxGtkTreeModel class by letting
727 // them call the methods of wxWidgets' wxDataViewModel
728 //-----------------------------------------------------------------------------
729
730 static GtkTreeModelFlags
731 wxgtk_tree_model_get_flags (GtkTreeModel *tree_model)
732 {
733 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
734 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), (GtkTreeModelFlags)0 );
735
736 return wxtree_model->internal->get_flags();
737 }
738
739 static gint
740 wxgtk_tree_model_get_n_columns (GtkTreeModel *tree_model)
741 {
742 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
743 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
744
745 return wxtree_model->internal->GetDataViewModel()->GetColumnCount();
746 }
747
748 static GType
749 wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
750 gint index)
751 {
752 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
753 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), G_TYPE_INVALID);
754
755 GType gtype = G_TYPE_INVALID;
756
757 wxString wxtype = wxtree_model->internal->GetDataViewModel()->GetColumnType( (unsigned int) index );
758
759 if (wxtype == wxT("string"))
760 gtype = G_TYPE_STRING;
761 else
762 {
763 gtype = G_TYPE_POINTER;
764 // wxFAIL_MSG( wxT("non-string columns not supported for searching yet") );
765 }
766
767 return gtype;
768 }
769
770 static gboolean
771 wxgtk_tree_model_get_iter (GtkTreeModel *tree_model,
772 GtkTreeIter *iter,
773 GtkTreePath *path)
774 {
775 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
776 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
777 g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
778
779 return wxtree_model->internal->get_iter( iter, path );
780 }
781
782 static GtkTreePath *
783 wxgtk_tree_model_get_path (GtkTreeModel *tree_model,
784 GtkTreeIter *iter)
785 {
786 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
787 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), NULL);
788 g_return_val_if_fail (iter->stamp == GTK_WX_TREE_MODEL (wxtree_model)->stamp, NULL);
789
790 return wxtree_model->internal->get_path( iter );
791 }
792
793 static void
794 wxgtk_tree_model_get_value (GtkTreeModel *tree_model,
795 GtkTreeIter *iter,
796 gint column,
797 GValue *value)
798 {
799 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
800 g_return_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model) );
801
802 wxDataViewModel *model = wxtree_model->internal->GetDataViewModel();
803 wxString mtype = model->GetColumnType( (unsigned int) column );
804 if (mtype == wxT("string"))
805 {
806 wxVariant variant;
807 g_value_init( value, G_TYPE_STRING );
808 wxDataViewItem item( (void*) iter->user_data );
809 model->GetValue( variant, item, (unsigned int) column );
810
811 g_value_set_string( value, variant.GetString().utf8_str() );
812 }
813 else
814 {
815 wxFAIL_MSG( wxT("non-string columns not supported yet") );
816 }
817 }
818
819 static gboolean
820 wxgtk_tree_model_iter_next (GtkTreeModel *tree_model,
821 GtkTreeIter *iter)
822 {
823 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
824
825 // This happens when clearing the view by calling .._set_model( NULL );
826 if (iter->stamp == 0) return FALSE;
827
828 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
829 g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
830
831 return wxtree_model->internal->iter_next( iter );
832 }
833
834 static gboolean
835 wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
836 GtkTreeIter *iter,
837 GtkTreeIter *parent)
838 {
839 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
840 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
841 if (parent)
842 {
843 g_return_val_if_fail (wxtree_model->stamp == parent->stamp, FALSE);
844 }
845
846 return wxtree_model->internal->iter_children( iter, parent );
847 }
848
849 static gboolean
850 wxgtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
851 GtkTreeIter *iter)
852 {
853 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
854 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
855 g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
856
857 return wxtree_model->internal->iter_has_child( iter );
858 }
859
860 static gint
861 wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
862 GtkTreeIter *iter)
863 {
864 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
865 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
866 g_return_val_if_fail ( !iter || wxtree_model->stamp == iter->stamp, 0);
867
868 return wxtree_model->internal->iter_n_children( iter );
869 }
870
871 static gboolean
872 wxgtk_tree_model_iter_nth_child (GtkTreeModel *tree_model,
873 GtkTreeIter *iter,
874 GtkTreeIter *parent,
875 gint n)
876 {
877 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
878 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
879
880 return wxtree_model->internal->iter_nth_child( iter, parent, n );
881 }
882
883 static gboolean
884 wxgtk_tree_model_iter_parent (GtkTreeModel *tree_model,
885 GtkTreeIter *iter,
886 GtkTreeIter *child)
887 {
888 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
889 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
890 g_return_val_if_fail (wxtree_model->stamp == child->stamp, FALSE);
891
892 return wxtree_model->internal->iter_parent( iter, child );
893 }
894
895 /* drag'n'drop iface */
896 static gboolean
897 wxgtk_tree_model_row_draggable (GtkTreeDragSource *drag_source,
898 GtkTreePath *path)
899 {
900 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
901 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
902
903 return wxtree_model->internal->row_draggable( drag_source, path );
904 }
905
906 static gboolean
907 wxgtk_tree_model_drag_data_delete (GtkTreeDragSource *drag_source,
908 GtkTreePath *path)
909 {
910 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
911 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
912
913 return wxtree_model->internal->drag_data_delete( drag_source, path );
914 }
915
916 static gboolean
917 wxgtk_tree_model_drag_data_get (GtkTreeDragSource *drag_source,
918 GtkTreePath *path,
919 GtkSelectionData *selection_data)
920 {
921 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
922 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
923
924 #if 0
925 wxPrintf( "drag_get_data\n");
926
927 wxGtkString atom_selection(gdk_atom_name(selection_data->selection));
928 wxPrintf( "selection %s\n", wxString::FromAscii(atom_selection) );
929
930 wxGtkString atom_target(gdk_atom_name(selection_data->target));
931 wxPrintf( "target %s\n", wxString::FromAscii(atom_target) );
932
933 wxGtkString atom_type(gdk_atom_name(selection_data->type));
934 wxPrintf( "type %s\n", wxString::FromAscii(atom_type) );
935
936 wxPrintf( "format %d\n", selection_data->format );
937 #endif
938
939 return wxtree_model->internal->drag_data_get( drag_source, path, selection_data );
940 }
941
942 static gboolean
943 wxgtk_tree_model_drag_data_received (GtkTreeDragDest *drag_dest,
944 GtkTreePath *dest,
945 GtkSelectionData *selection_data)
946 {
947 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
948 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
949
950 return wxtree_model->internal->drag_data_received( drag_dest, dest, selection_data );
951 }
952
953 static gboolean
954 wxgtk_tree_model_row_drop_possible (GtkTreeDragDest *drag_dest,
955 GtkTreePath *dest_path,
956 GtkSelectionData *selection_data)
957 {
958 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
959 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
960
961 return wxtree_model->internal->row_drop_possible( drag_dest, dest_path, selection_data );
962 }
963
964 /* sortable iface */
965 static gboolean
966 wxgtk_tree_model_get_sort_column_id (GtkTreeSortable *sortable,
967 gint *sort_column_id,
968 GtkSortType *order)
969 {
970 GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) sortable;
971
972 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE);
973
974 if (!wxtree_model->internal->IsSorted())
975 {
976 if (sort_column_id)
977 *sort_column_id = -1;
978
979 return TRUE;
980 }
981
982
983 if (sort_column_id)
984 *sort_column_id = wxtree_model->internal->GetSortColumn();
985
986 if (order)
987 *order = wxtree_model->internal->GetSortOrder();
988
989 return TRUE;
990 }
991
992 wxDataViewColumn *gs_lastLeftClickHeader = NULL;
993
994 static void
995 wxgtk_tree_model_set_sort_column_id (GtkTreeSortable *sortable,
996 gint sort_column_id,
997 GtkSortType order)
998 {
999 GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
1000 g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
1001
1002 tree_model->internal->SetDataViewSortColumn( gs_lastLeftClickHeader );
1003
1004 if ((sort_column_id != (gint) tree_model->internal->GetSortColumn()) ||
1005 (order != tree_model->internal->GetSortOrder()))
1006 {
1007 tree_model->internal->SetSortColumn( sort_column_id );
1008 tree_model->internal->SetSortOrder( order );
1009
1010 gtk_tree_sortable_sort_column_changed (sortable);
1011
1012 tree_model->internal->GetDataViewModel()->Resort();
1013 }
1014
1015 if (gs_lastLeftClickHeader)
1016 {
1017 wxDataViewCtrl *dv = tree_model->internal->GetOwner();
1018 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, dv->GetId() );
1019 event.SetDataViewColumn( gs_lastLeftClickHeader );
1020 event.SetModel( dv->GetModel() );
1021 dv->HandleWindowEvent( event );
1022 }
1023
1024 gs_lastLeftClickHeader = NULL;
1025 }
1026
1027 static void
1028 wxgtk_tree_model_set_sort_func (GtkTreeSortable *sortable,
1029 gint WXUNUSED(sort_column_id),
1030 GtkTreeIterCompareFunc func,
1031 gpointer WXUNUSED(data),
1032 GDestroyNotify WXUNUSED(destroy))
1033 {
1034 g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
1035 g_return_if_fail (func != NULL);
1036 }
1037
1038 static void
1039 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable *sortable,
1040 GtkTreeIterCompareFunc func,
1041 gpointer WXUNUSED(data),
1042 GDestroyNotify WXUNUSED(destroy))
1043 {
1044 g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
1045 g_return_if_fail (func != NULL);
1046
1047 //wxPrintf( "wxgtk_tree_model_set_default_sort_func\n" );
1048 // TODO: remove this code
1049 }
1050
1051 static gboolean
1052 wxgtk_tree_model_has_default_sort_func (GtkTreeSortable *sortable)
1053 {
1054 g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE );
1055
1056 return FALSE;
1057 }
1058
1059 //-----------------------------------------------------------------------------
1060 // define new GTK+ class GtkWxRendererText
1061 //-----------------------------------------------------------------------------
1062
1063 extern "C" {
1064
1065 #define GTK_TYPE_WX_CELL_RENDERER_TEXT (gtk_wx_cell_renderer_text_get_type ())
1066 #define GTK_WX_CELL_RENDERER_TEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererText))
1067 #define GTK_IS_WX_CELL_RENDERER_TEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT))
1068 #define GTK_IS_WX_CELL_RENDERER_TEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER_TEXT))
1069
1070 GType gtk_wx_cell_renderer_text_get_type (void);
1071
1072 typedef struct _GtkWxCellRendererText GtkWxCellRendererText;
1073
1074 struct _GtkWxCellRendererText
1075 {
1076 GtkCellRendererText parent;
1077
1078 wxDataViewRenderer *wx_renderer;
1079 };
1080
1081 static GtkWxCellRendererText *gtk_wx_cell_renderer_text_new (void);
1082 static void gtk_wx_cell_renderer_text_init (
1083 GTypeInstance* instance, void*);
1084 static void gtk_wx_cell_renderer_text_class_init(
1085 void* klass, void*);
1086 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
1087 GtkCellRenderer *cell,
1088 GdkEvent *event,
1089 GtkWidget *widget,
1090 const gchar *path,
1091 wxConstGdkRect *background_area,
1092 wxConstGdkRect *cell_area,
1093 GtkCellRendererState flags );
1094
1095
1096 static GObjectClass *text_cell_parent_class = NULL;
1097
1098 } // extern "C"
1099
1100 GType
1101 gtk_wx_cell_renderer_text_get_type (void)
1102 {
1103 static GType cell_wx_type = 0;
1104
1105 if (!cell_wx_type)
1106 {
1107 const GTypeInfo cell_wx_info =
1108 {
1109 sizeof (GtkCellRendererTextClass),
1110 NULL, /* base_init */
1111 NULL, /* base_finalize */
1112 gtk_wx_cell_renderer_text_class_init,
1113 NULL, /* class_finalize */
1114 NULL, /* class_data */
1115 sizeof (GtkWxCellRendererText),
1116 0, /* n_preallocs */
1117 gtk_wx_cell_renderer_text_init,
1118 };
1119
1120 cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER_TEXT,
1121 "GtkWxCellRendererText", &cell_wx_info, (GTypeFlags)0 );
1122 }
1123
1124 return cell_wx_type;
1125 }
1126
1127 static void
1128 gtk_wx_cell_renderer_text_init(GTypeInstance* instance, void*)
1129 {
1130 GtkWxCellRendererText* cell = GTK_WX_CELL_RENDERER_TEXT(instance);
1131 cell->wx_renderer = NULL;
1132 }
1133
1134 static void
1135 gtk_wx_cell_renderer_text_class_init(void* klass, void*)
1136 {
1137 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
1138
1139 text_cell_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
1140
1141 cell_class->start_editing = gtk_wx_cell_renderer_text_start_editing;
1142 }
1143
1144 GtkWxCellRendererText*
1145 gtk_wx_cell_renderer_text_new (void)
1146 {
1147 return (GtkWxCellRendererText*) g_object_new (GTK_TYPE_WX_CELL_RENDERER_TEXT, NULL);
1148 }
1149
1150 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
1151 GtkCellRenderer *gtk_renderer,
1152 GdkEvent *gdk_event,
1153 GtkWidget *widget,
1154 const gchar *path,
1155 wxConstGdkRect *background_area,
1156 wxConstGdkRect *cell_area,
1157 GtkCellRendererState flags )
1158 {
1159 GtkWxCellRendererText *wxgtk_renderer = (GtkWxCellRendererText *) gtk_renderer;
1160 wxDataViewRenderer *wx_renderer = wxgtk_renderer->wx_renderer;
1161 wxDataViewColumn *column = wx_renderer->GetOwner();
1162
1163 wxDataViewItem
1164 item(column->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));
1165
1166 wxDataViewCtrl *dv = column->GetOwner();
1167 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING, dv->GetId() );
1168 event.SetDataViewColumn( column );
1169 event.SetModel( dv->GetModel() );
1170 event.SetColumn( column->GetModelColumn() );
1171 event.SetItem( item );
1172 dv->HandleWindowEvent( event );
1173
1174 if (event.IsAllowed())
1175 return GTK_CELL_RENDERER_CLASS(text_cell_parent_class)->
1176 start_editing( gtk_renderer, gdk_event, widget, path, background_area, cell_area, flags );
1177 else
1178 return NULL;
1179 }
1180
1181 //-----------------------------------------------------------------------------
1182 // define new GTK+ class GtkWxCellRenderer
1183 //-----------------------------------------------------------------------------
1184
1185 extern "C" {
1186
1187 #define GTK_TYPE_WX_CELL_RENDERER (gtk_wx_cell_renderer_get_type ())
1188 #define GTK_WX_CELL_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRenderer))
1189 #define GTK_IS_WX_CELL_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER))
1190 #define GTK_IS_WX_CELL_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER))
1191
1192 GType gtk_wx_cell_renderer_get_type (void);
1193
1194 typedef struct _GtkWxCellRenderer GtkWxCellRenderer;
1195
1196 struct _GtkWxCellRenderer
1197 {
1198 GtkCellRenderer parent;
1199
1200 /*< private >*/
1201 wxDataViewCustomRenderer *cell;
1202 };
1203
1204 static GtkCellRenderer *gtk_wx_cell_renderer_new (void);
1205 static void gtk_wx_cell_renderer_init (
1206 GTypeInstance* instance, void*);
1207 static void gtk_wx_cell_renderer_class_init(
1208 void* klass, void*);
1209 static void gtk_wx_cell_renderer_get_size (
1210 GtkCellRenderer *cell,
1211 GtkWidget *widget,
1212 wxConstGdkRect *rectangle,
1213 gint *x_offset,
1214 gint *y_offset,
1215 gint *width,
1216 gint *height );
1217 static void gtk_wx_cell_renderer_render (
1218 GtkCellRenderer *cell,
1219 #ifdef __WXGTK3__
1220 cairo_t* cr,
1221 #else
1222 GdkWindow *window,
1223 #endif
1224 GtkWidget *widget,
1225 wxConstGdkRect *background_area,
1226 wxConstGdkRect *cell_area,
1227 #ifndef __WXGTK3__
1228 GdkRectangle *expose_area,
1229 #endif
1230 GtkCellRendererState flags );
1231 static gboolean gtk_wx_cell_renderer_activate(
1232 GtkCellRenderer *cell,
1233 GdkEvent *event,
1234 GtkWidget *widget,
1235 const gchar *path,
1236 wxConstGdkRect *background_area,
1237 wxConstGdkRect *cell_area,
1238 GtkCellRendererState flags );
1239 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
1240 GtkCellRenderer *cell,
1241 GdkEvent *event,
1242 GtkWidget *widget,
1243 const gchar *path,
1244 wxConstGdkRect *background_area,
1245 wxConstGdkRect *cell_area,
1246 GtkCellRendererState flags );
1247
1248 } // extern "C"
1249
1250 GType
1251 gtk_wx_cell_renderer_get_type (void)
1252 {
1253 static GType cell_wx_type = 0;
1254
1255 if (!cell_wx_type)
1256 {
1257 const GTypeInfo cell_wx_info =
1258 {
1259 sizeof (GtkCellRendererClass),
1260 NULL, /* base_init */
1261 NULL, /* base_finalize */
1262 gtk_wx_cell_renderer_class_init,
1263 NULL, /* class_finalize */
1264 NULL, /* class_data */
1265 sizeof (GtkWxCellRenderer),
1266 0, /* n_preallocs */
1267 gtk_wx_cell_renderer_init,
1268 };
1269
1270 cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER,
1271 "GtkWxCellRenderer", &cell_wx_info, (GTypeFlags)0 );
1272 }
1273
1274 return cell_wx_type;
1275 }
1276
1277 static void
1278 gtk_wx_cell_renderer_init(GTypeInstance* instance, void*)
1279 {
1280 GtkWxCellRenderer* cell = GTK_WX_CELL_RENDERER(instance);
1281 cell->cell = NULL;
1282 }
1283
1284 static void
1285 gtk_wx_cell_renderer_class_init(void* klass, void*)
1286 {
1287 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
1288
1289 cell_class->get_size = gtk_wx_cell_renderer_get_size;
1290 cell_class->render = gtk_wx_cell_renderer_render;
1291 cell_class->activate = gtk_wx_cell_renderer_activate;
1292 cell_class->start_editing = gtk_wx_cell_renderer_start_editing;
1293 }
1294
1295 GtkCellRenderer*
1296 gtk_wx_cell_renderer_new (void)
1297 {
1298 return (GtkCellRenderer*) g_object_new (GTK_TYPE_WX_CELL_RENDERER, NULL);
1299 }
1300
1301 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
1302 GtkCellRenderer *renderer,
1303 GdkEvent *WXUNUSED(event),
1304 GtkWidget *widget,
1305 const gchar *path,
1306 wxConstGdkRect *WXUNUSED(background_area),
1307 wxConstGdkRect *cell_area,
1308 GtkCellRendererState WXUNUSED(flags) )
1309 {
1310 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1311 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1312
1313 // Renderer doesn't support in-place editing
1314 if (!cell->HasEditorCtrl())
1315 return NULL;
1316
1317 // An in-place editing control is still around
1318 if (cell->GetEditorCtrl())
1319 return NULL;
1320
1321 GdkRectangle rect;
1322 gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
1323 &rect.x,
1324 &rect.y,
1325 &rect.width,
1326 &rect.height);
1327
1328 rect.x += cell_area->x;
1329 rect.y += cell_area->y;
1330 // rect.width -= renderer->xpad * 2;
1331 // rect.height -= renderer->ypad * 2;
1332
1333 // wxRect renderrect(wxRectFromGDKRect(&rect));
1334 wxRect renderrect(wxRectFromGDKRect(cell_area));
1335
1336 wxDataViewItem
1337 item(cell->GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));
1338
1339 cell->StartEditing( item, renderrect );
1340
1341 return NULL;
1342 }
1343
1344 static void
1345 gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
1346 GtkWidget *WXUNUSED(widget),
1347 wxConstGdkRect *cell_area,
1348 gint *x_offset,
1349 gint *y_offset,
1350 gint *width,
1351 gint *height)
1352 {
1353 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1354 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1355
1356 wxSize size = cell->GetSize();
1357
1358 wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
1359
1360 // Uniform row height, if specified, overrides the value returned by the
1361 // renderer.
1362 if ( !ctrl->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
1363 {
1364 const int uniformHeight = ctrl->GTKGetUniformRowHeight();
1365 if ( uniformHeight > 0 )
1366 size.y = uniformHeight;
1367 }
1368
1369 int xpad, ypad;
1370 gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1371 int calc_width = xpad * 2 + size.x;
1372 int calc_height = ypad * 2 + size.y;
1373
1374 if (x_offset)
1375 *x_offset = 0;
1376 if (y_offset)
1377 *y_offset = 0;
1378
1379 if (cell_area && size.x > 0 && size.y > 0)
1380 {
1381 float xalign, yalign;
1382 gtk_cell_renderer_get_alignment(renderer, &xalign, &yalign);
1383 if (x_offset)
1384 {
1385 *x_offset = int(xalign * (cell_area->width - calc_width - 2 * xpad));
1386 *x_offset = MAX(*x_offset, 0) + xpad;
1387 }
1388 if (y_offset)
1389 {
1390 *y_offset = int(yalign * (cell_area->height - calc_height - 2 * ypad));
1391 *y_offset = MAX(*y_offset, 0) + ypad;
1392 }
1393 }
1394
1395 if (width)
1396 *width = calc_width;
1397
1398 if (height)
1399 *height = calc_height;
1400 }
1401
1402 struct wxDataViewCustomRenderer::GTKRenderParams
1403 {
1404 #ifdef __WXGTK3__
1405 cairo_t* cr;
1406 #else
1407 GdkWindow* window;
1408 GdkRectangle* expose_area;
1409 #endif
1410 GtkWidget* widget;
1411 wxConstGdkRect* background_area;
1412 int flags;
1413 };
1414
1415 static void
1416 gtk_wx_cell_renderer_render (GtkCellRenderer *renderer,
1417 #ifdef __WXGTK3__
1418 cairo_t* cr,
1419 #else
1420 GdkWindow *window,
1421 #endif
1422 GtkWidget *widget,
1423 wxConstGdkRect *background_area,
1424 wxConstGdkRect *cell_area,
1425 #ifndef __WXGTK3__
1426 GdkRectangle *expose_area,
1427 #endif
1428 GtkCellRendererState flags)
1429
1430 {
1431 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1432 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1433
1434 wxDataViewCustomRenderer::GTKRenderParams renderParams;
1435 #ifdef __WXGTK3__
1436 renderParams.cr = cr;
1437 #else
1438 renderParams.window = window;
1439 renderParams.expose_area = expose_area;
1440 #endif
1441 renderParams.widget = widget;
1442 renderParams.background_area = background_area;
1443 renderParams.flags = flags;
1444 cell->GTKSetRenderParams(&renderParams);
1445
1446 wxRect rect(wxRectFromGDKRect(cell_area));
1447 int xpad, ypad;
1448 gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1449 rect = rect.Deflate(xpad, ypad);
1450
1451 wxDC* dc = cell->GetDC();
1452 #ifdef __WXGTK3__
1453 wxGraphicsContext* context = dc->GetGraphicsContext();
1454 void* nativeContext = NULL;
1455 if (context)
1456 nativeContext = context->GetNativeContext();
1457 if (cr != nativeContext)
1458 {
1459 cairo_reference(cr);
1460 dc->SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr));
1461 }
1462 #else
1463 wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();
1464
1465 // Reinitialize wxWindowDC's GDK window if drawing occurs into a different
1466 // window such as a DnD drop window.
1467 if (window != impl->m_gdkwindow)
1468 {
1469 impl->Destroy();
1470 impl->m_gdkwindow = window;
1471 impl->SetUpDC();
1472 }
1473 #endif
1474
1475 int state = 0;
1476 if (flags & GTK_CELL_RENDERER_SELECTED)
1477 state |= wxDATAVIEW_CELL_SELECTED;
1478 if (flags & GTK_CELL_RENDERER_PRELIT)
1479 state |= wxDATAVIEW_CELL_PRELIT;
1480 if (flags & GTK_CELL_RENDERER_INSENSITIVE)
1481 state |= wxDATAVIEW_CELL_INSENSITIVE;
1482 if (flags & GTK_CELL_RENDERER_INSENSITIVE)
1483 state |= wxDATAVIEW_CELL_INSENSITIVE;
1484 if (flags & GTK_CELL_RENDERER_FOCUSED)
1485 state |= wxDATAVIEW_CELL_FOCUSED;
1486 cell->WXCallRender( rect, dc, state );
1487
1488 cell->GTKSetRenderParams(NULL);
1489 #ifdef __WXGTK3__
1490 dc->SetGraphicsContext(NULL);
1491 #endif
1492 }
1493
1494 static gboolean
1495 gtk_wx_cell_renderer_activate(
1496 GtkCellRenderer *renderer,
1497 GdkEvent *event,
1498 GtkWidget *widget,
1499 const gchar *path,
1500 wxConstGdkRect *WXUNUSED(background_area),
1501 wxConstGdkRect *cell_area,
1502 GtkCellRendererState WXUNUSED(flags) )
1503 {
1504 GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
1505 wxDataViewCustomRenderer *cell = wxrenderer->cell;
1506
1507 GdkRectangle rect;
1508 gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
1509 &rect.x,
1510 &rect.y,
1511 &rect.width,
1512 &rect.height);
1513
1514 rect.x += cell_area->x;
1515 rect.y += cell_area->y;
1516 int xpad, ypad;
1517 gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
1518 rect.width -= xpad * 2;
1519 rect.height -= ypad * 2;
1520
1521 wxRect renderrect(wxRectFromGDKRect(&rect));
1522
1523 wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
1524 wxDataViewModel *model = ctrl->GetModel();
1525
1526 wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));
1527
1528 unsigned int model_col = cell->GetOwner()->GetModelColumn();
1529
1530 if ( !event )
1531 {
1532 // activated by <ENTER>
1533 return cell->ActivateCell(renderrect, model, item, model_col, NULL);
1534 }
1535 else if ( event->type == GDK_BUTTON_PRESS )
1536 {
1537 GdkEventButton *button_event = (GdkEventButton*)event;
1538 if ( button_event->button == 1 )
1539 {
1540 wxMouseEvent mouse_event(wxEVT_LEFT_DOWN);
1541 InitMouseEvent(ctrl, mouse_event, button_event);
1542
1543 mouse_event.m_x -= renderrect.x;
1544 mouse_event.m_y -= renderrect.y;
1545
1546 return cell->ActivateCell(renderrect, model, item, model_col, &mouse_event);
1547 }
1548 }
1549
1550 wxLogDebug("unexpected event type in gtk_wx_cell_renderer_activate()");
1551 return false;
1552 }
1553
1554 // ---------------------------------------------------------
1555 // wxGtkDataViewModelNotifier
1556 // ---------------------------------------------------------
1557
1558 class wxGtkDataViewModelNotifier: public wxDataViewModelNotifier
1559 {
1560 public:
1561 wxGtkDataViewModelNotifier( wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal );
1562 ~wxGtkDataViewModelNotifier();
1563
1564 virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
1565 virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
1566 virtual bool ItemChanged( const wxDataViewItem &item );
1567 virtual bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
1568 virtual bool Cleared();
1569 virtual void Resort();
1570 virtual bool BeforeReset();
1571 virtual bool AfterReset();
1572
1573 void UpdateLastCount();
1574
1575 private:
1576 wxDataViewModel *m_wx_model;
1577 wxDataViewCtrlInternal *m_internal;
1578 };
1579
1580 // ---------------------------------------------------------
1581 // wxGtkDataViewListModelNotifier
1582 // ---------------------------------------------------------
1583
1584 wxGtkDataViewModelNotifier::wxGtkDataViewModelNotifier(
1585 wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal )
1586 {
1587 m_wx_model = wx_model;
1588 m_internal = internal;
1589 }
1590
1591 wxGtkDataViewModelNotifier::~wxGtkDataViewModelNotifier()
1592 {
1593 m_wx_model = NULL;
1594 m_internal = NULL;
1595 }
1596
1597 bool wxGtkDataViewModelNotifier::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
1598 {
1599 m_internal->ItemAdded( parent, item );
1600 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1601
1602 GtkTreeIter iter;
1603 iter.stamp = wxgtk_model->stamp;
1604 iter.user_data = item.GetID();
1605
1606 wxGtkTreePath path(wxgtk_tree_model_get_path(
1607 GTK_TREE_MODEL(wxgtk_model), &iter ));
1608 gtk_tree_model_row_inserted(
1609 GTK_TREE_MODEL(wxgtk_model), path, &iter);
1610
1611 return true;
1612 }
1613
1614 bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
1615 {
1616 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1617 #if 0
1618 // using _get_path for a deleted item cannot be
1619 // a good idea
1620 GtkTreeIter iter;
1621 iter.stamp = wxgtk_model->stamp;
1622 iter.user_data = (gpointer) item.GetID();
1623 wxGtkTreePath path(wxgtk_tree_model_get_path(
1624 GTK_TREE_MODEL(wxgtk_model), &iter ));
1625 #else
1626 // so get the path from the parent
1627 GtkTreeIter parentIter;
1628 parentIter.stamp = wxgtk_model->stamp;
1629 parentIter.user_data = (gpointer) parent.GetID();
1630 wxGtkTreePath parentPath(wxgtk_tree_model_get_path(
1631 GTK_TREE_MODEL(wxgtk_model), &parentIter ));
1632
1633 // and add the final index ourselves
1634 wxGtkTreePath path(gtk_tree_path_copy(parentPath));
1635 int index = m_internal->GetIndexOf( parent, item );
1636 gtk_tree_path_append_index( path, index );
1637 #endif
1638
1639 gtk_tree_model_row_deleted(
1640 GTK_TREE_MODEL(wxgtk_model), path );
1641
1642 m_internal->ItemDeleted( parent, item );
1643
1644 // Did we remove the last child, causing 'parent' to become a leaf?
1645 if ( !m_wx_model->IsContainer(parent) )
1646 {
1647 gtk_tree_model_row_has_child_toggled
1648 (
1649 GTK_TREE_MODEL(wxgtk_model),
1650 parentPath,
1651 &parentIter
1652 );
1653 }
1654
1655 return true;
1656 }
1657
1658 void wxGtkDataViewModelNotifier::Resort()
1659 {
1660 m_internal->Resort();
1661 }
1662
1663 bool wxGtkDataViewModelNotifier::ItemChanged( const wxDataViewItem &item )
1664 {
1665 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1666
1667 GtkTreeIter iter;
1668 iter.stamp = wxgtk_model->stamp;
1669 iter.user_data = (gpointer) item.GetID();
1670
1671 wxGtkTreePath path(wxgtk_tree_model_get_path(
1672 GTK_TREE_MODEL(wxgtk_model), &iter ));
1673 gtk_tree_model_row_changed(
1674 GTK_TREE_MODEL(wxgtk_model), path, &iter );
1675
1676 m_internal->ItemChanged( item );
1677
1678 return true;
1679 }
1680
1681 bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_column )
1682 {
1683 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1684 wxDataViewCtrl *ctrl = m_internal->GetOwner();
1685
1686 // This adds GTK+'s missing MVC logic for ValueChanged
1687 unsigned int index;
1688 for (index = 0; index < ctrl->GetColumnCount(); index++)
1689 {
1690 wxDataViewColumn *column = ctrl->GetColumn( index );
1691 if (column->GetModelColumn() == model_column)
1692 {
1693 GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
1694 GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
1695
1696 // Don't attempt to refresh not yet realized tree, it is useless
1697 // and results in GTK errors.
1698 if ( gtk_widget_get_realized(ctrl->GtkGetTreeView()) )
1699 {
1700 // Get cell area
1701 GtkTreeIter iter;
1702 iter.stamp = wxgtk_model->stamp;
1703 iter.user_data = (gpointer) item.GetID();
1704 wxGtkTreePath path(wxgtk_tree_model_get_path(
1705 GTK_TREE_MODEL(wxgtk_model), &iter ));
1706 GdkRectangle cell_area;
1707 gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );
1708
1709 GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
1710 double d = gtk_adjustment_get_value( hadjust );
1711 int xdiff = (int) d;
1712
1713 GtkAllocation a;
1714 gtk_widget_get_allocation(GTK_WIDGET(gtk_tree_view_column_get_button(gcolumn)), &a);
1715 int ydiff = a.height;
1716 // Redraw
1717 gtk_widget_queue_draw_area( GTK_WIDGET(widget),
1718 cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
1719 }
1720
1721 m_internal->ValueChanged( item, model_column );
1722
1723 return true;
1724 }
1725 }
1726
1727 return false;
1728 }
1729
1730 bool wxGtkDataViewModelNotifier::BeforeReset()
1731 {
1732 GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1733 gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), NULL );
1734
1735 return true;
1736 }
1737
1738 bool wxGtkDataViewModelNotifier::AfterReset()
1739 {
1740 GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1741 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1742
1743 m_internal->Cleared();
1744
1745 gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), GTK_TREE_MODEL(wxgtk_model) );
1746
1747 return true;
1748 }
1749
1750 bool wxGtkDataViewModelNotifier::Cleared()
1751 {
1752 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1753
1754 // There is no call to tell the model that everything
1755 // has been deleted so call row_deleted() for every
1756 // child of root...
1757
1758 int count = m_internal->iter_n_children( NULL ); // number of children of root
1759
1760 GtkTreePath *path = gtk_tree_path_new_first(); // points to root
1761
1762 int i;
1763 for (i = 0; i < count; i++)
1764 gtk_tree_model_row_deleted( GTK_TREE_MODEL(wxgtk_model), path );
1765
1766 gtk_tree_path_free( path );
1767
1768 m_internal->Cleared();
1769
1770 return true;
1771 }
1772
1773 // ---------------------------------------------------------
1774 // wxDataViewRenderer
1775 // ---------------------------------------------------------
1776
1777 static gpointer s_user_data = NULL;
1778
1779 static void
1780 wxgtk_cell_editable_editing_done( GtkCellEditable *WXUNUSED(editable),
1781 wxDataViewRenderer *wxrenderer )
1782 {
1783 wxDataViewColumn *column = wxrenderer->GetOwner();
1784 wxDataViewCtrl *dv = column->GetOwner();
1785 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, dv->GetId() );
1786 event.SetDataViewColumn( column );
1787 event.SetModel( dv->GetModel() );
1788 wxDataViewItem item( s_user_data );
1789 event.SetItem( item );
1790 dv->HandleWindowEvent( event );
1791 }
1792
1793 static void
1794 wxgtk_renderer_editing_started( GtkCellRenderer *WXUNUSED(cell), GtkCellEditable *editable,
1795 gchar *path, wxDataViewRenderer *wxrenderer )
1796 {
1797 if (!editable)
1798 return;
1799
1800 wxDataViewColumn *column = wxrenderer->GetOwner();
1801 wxDataViewCtrl *dv = column->GetOwner();
1802 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv->GetId() );
1803 event.SetDataViewColumn( column );
1804 event.SetModel( dv->GetModel() );
1805 wxDataViewItem item(dv->GTKPathToItem(wxGtkTreePath(path)));
1806 event.SetItem( item );
1807 dv->HandleWindowEvent( event );
1808
1809 if (GTK_IS_CELL_EDITABLE(editable))
1810 {
1811 s_user_data = item.GetID();
1812
1813 g_signal_connect (GTK_CELL_EDITABLE (editable), "editing_done",
1814 G_CALLBACK (wxgtk_cell_editable_editing_done),
1815 (gpointer) wxrenderer );
1816
1817 }
1818 }
1819
1820
1821 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
1822
1823 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype, wxDataViewCellMode mode,
1824 int align ) :
1825 wxDataViewRendererBase( varianttype, mode, align )
1826 {
1827 m_renderer = NULL;
1828 m_mode = mode;
1829
1830 // we haven't changed them yet
1831 m_usingDefaultAttrs = true;
1832
1833 // NOTE: SetMode() and SetAlignment() needs to be called in the renderer's ctor,
1834 // after the m_renderer pointer has been initialized
1835 }
1836
1837 void wxDataViewRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
1838 {
1839 gtk_tree_view_column_pack_end( column, m_renderer, TRUE /* expand */);
1840 }
1841
1842 void wxDataViewRenderer::GtkInitHandlers()
1843 {
1844 {
1845 g_signal_connect (GTK_CELL_RENDERER(m_renderer), "editing_started",
1846 G_CALLBACK (wxgtk_renderer_editing_started),
1847 this);
1848 }
1849 }
1850
1851 void wxDataViewRenderer::SetMode( wxDataViewCellMode mode )
1852 {
1853 GtkCellRendererMode gtkMode;
1854 switch (mode)
1855 {
1856 case wxDATAVIEW_CELL_INERT:
1857 gtkMode = GTK_CELL_RENDERER_MODE_INERT;
1858 break;
1859
1860 case wxDATAVIEW_CELL_ACTIVATABLE:
1861 gtkMode = GTK_CELL_RENDERER_MODE_ACTIVATABLE;
1862 break;
1863
1864 case wxDATAVIEW_CELL_EDITABLE:
1865 gtkMode = GTK_CELL_RENDERER_MODE_EDITABLE;
1866 break;
1867
1868 default:
1869 wxFAIL_MSG( "unknown wxDataViewCellMode value" );
1870 return;
1871 }
1872
1873 m_mode = mode;
1874
1875 // This value is most often ignored in GtkTreeView
1876 GValue gvalue = { 0, };
1877 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
1878 g_value_set_enum( &gvalue, gtkMode );
1879 g_object_set_property( G_OBJECT(m_renderer), "mode", &gvalue );
1880 g_value_unset( &gvalue );
1881 }
1882
1883 wxDataViewCellMode wxDataViewRenderer::GetMode() const
1884 {
1885 wxDataViewCellMode ret;
1886
1887 GValue gvalue;
1888 g_object_get( G_OBJECT(m_renderer), "mode", &gvalue, NULL);
1889
1890 switch (g_value_get_enum(&gvalue))
1891 {
1892 default:
1893 wxFAIL_MSG( "unknown GtkCellRendererMode value" );
1894 // fall through (we have to return something)
1895
1896 case GTK_CELL_RENDERER_MODE_INERT:
1897 ret = wxDATAVIEW_CELL_INERT;
1898 break;
1899
1900 case GTK_CELL_RENDERER_MODE_ACTIVATABLE:
1901 ret = wxDATAVIEW_CELL_ACTIVATABLE;
1902 break;
1903
1904 case GTK_CELL_RENDERER_MODE_EDITABLE:
1905 ret = wxDATAVIEW_CELL_EDITABLE;
1906 break;
1907 }
1908
1909 g_value_unset( &gvalue );
1910
1911 return ret;
1912 }
1913
1914 void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)
1915 {
1916 int align = m_alignment;
1917
1918 // query alignment from column ?
1919 if (align == -1)
1920 {
1921 // None there yet
1922 if (GetOwner() == NULL)
1923 return;
1924
1925 align = GetOwner()->GetAlignment();
1926 align |= wxALIGN_CENTRE_VERTICAL;
1927 }
1928
1929 // horizontal alignment:
1930
1931 gfloat xalign = 0.0;
1932 if (align & wxALIGN_RIGHT)
1933 xalign = 1.0;
1934 else if (align & wxALIGN_CENTER_HORIZONTAL)
1935 xalign = 0.5;
1936
1937 GValue gvalue = { 0, };
1938 g_value_init( &gvalue, G_TYPE_FLOAT );
1939 g_value_set_float( &gvalue, xalign );
1940 g_object_set_property( G_OBJECT(renderer), "xalign", &gvalue );
1941 g_value_unset( &gvalue );
1942
1943 // vertical alignment:
1944
1945 gfloat yalign = 0.0;
1946 if (align & wxALIGN_BOTTOM)
1947 yalign = 1.0;
1948 else if (align & wxALIGN_CENTER_VERTICAL)
1949 yalign = 0.5;
1950
1951 GValue gvalue2 = { 0, };
1952 g_value_init( &gvalue2, G_TYPE_FLOAT );
1953 g_value_set_float( &gvalue2, yalign );
1954 g_object_set_property( G_OBJECT(renderer), "yalign", &gvalue2 );
1955 g_value_unset( &gvalue2 );
1956 }
1957
1958 void wxDataViewRenderer::SetAlignment( int align )
1959 {
1960 m_alignment = align;
1961 GtkUpdateAlignment();
1962 }
1963
1964 int wxDataViewRenderer::GetAlignment() const
1965 {
1966 return m_alignment;
1967 }
1968
1969 void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
1970 {
1971 GtkCellRendererText * const rend = GtkGetTextRenderer();
1972 if ( !rend )
1973 return;
1974
1975 // we use the same values in wxEllipsizeMode as PangoEllipsizeMode so we
1976 // can just cast between them
1977 GValue gvalue = { 0, };
1978 g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1979 g_value_set_enum( &gvalue, static_cast<PangoEllipsizeMode>(mode) );
1980 g_object_set_property( G_OBJECT(rend), "ellipsize", &gvalue );
1981 g_value_unset( &gvalue );
1982 }
1983
1984 wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
1985 {
1986 GtkCellRendererText * const rend = GtkGetTextRenderer();
1987 if ( !rend )
1988 return wxELLIPSIZE_NONE;
1989
1990 GValue gvalue = { 0, };
1991 g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1992 g_object_get_property( G_OBJECT(rend), "ellipsize", &gvalue );
1993 wxEllipsizeMode
1994 mode = static_cast<wxEllipsizeMode>(g_value_get_enum( &gvalue ));
1995 g_value_unset( &gvalue );
1996
1997 return mode;
1998 }
1999
2000 void
2001 wxDataViewRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
2002 {
2003 wxVariant value(str);
2004 if (!Validate( value ))
2005 return;
2006
2007 wxDataViewItem
2008 item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
2009
2010 GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
2011 }
2012
2013 void
2014 wxDataViewRenderer::GtkOnCellChanged(const wxVariant& value,
2015 const wxDataViewItem& item,
2016 unsigned col)
2017 {
2018 wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
2019 model->ChangeValue( value, item, col );
2020 }
2021
2022 // ---------------------------------------------------------
2023 // wxDataViewTextRenderer
2024 // ---------------------------------------------------------
2025
2026 extern "C"
2027 {
2028
2029 static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
2030 gchar *arg1, gchar *arg2, gpointer user_data )
2031 {
2032 wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;
2033
2034 cell->GtkOnTextEdited(arg1, wxGTK_CONV_BACK_FONT(
2035 arg2, cell->GetOwner()->GetOwner()->GetFont()));
2036 }
2037
2038 }
2039
2040 namespace
2041 {
2042
2043 // helper function used by wxDataViewTextRenderer and
2044 // wxDataViewCustomRenderer::RenderText(): it applies the attributes to the
2045 // given text renderer and returns true if anything was done
2046 bool GtkApplyAttr(GtkCellRendererText *renderer, const wxDataViewItemAttr& attr)
2047 {
2048 bool usingDefaultAttrs = true;
2049 if (attr.HasColour())
2050 {
2051 const GdkColor * const gcol = attr.GetColour().GetColor();
2052
2053 GValue gvalue = { 0, };
2054 g_value_init( &gvalue, GDK_TYPE_COLOR );
2055 g_value_set_boxed( &gvalue, gcol );
2056 g_object_set_property( G_OBJECT(renderer), "foreground_gdk", &gvalue );
2057 g_value_unset( &gvalue );
2058
2059 usingDefaultAttrs = false;
2060 }
2061 else
2062 {
2063 GValue gvalue = { 0, };
2064 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2065 g_value_set_boolean( &gvalue, FALSE );
2066 g_object_set_property( G_OBJECT(renderer), "foreground-set", &gvalue );
2067 g_value_unset( &gvalue );
2068 }
2069
2070 if (attr.GetItalic())
2071 {
2072 GValue gvalue = { 0, };
2073 g_value_init( &gvalue, PANGO_TYPE_STYLE );
2074 g_value_set_enum( &gvalue, PANGO_STYLE_ITALIC );
2075 g_object_set_property( G_OBJECT(renderer), "style", &gvalue );
2076 g_value_unset( &gvalue );
2077
2078 usingDefaultAttrs = false;
2079 }
2080 else
2081 {
2082 GValue gvalue = { 0, };
2083 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2084 g_value_set_boolean( &gvalue, FALSE );
2085 g_object_set_property( G_OBJECT(renderer), "style-set", &gvalue );
2086 g_value_unset( &gvalue );
2087 }
2088
2089
2090 if (attr.GetBold())
2091 {
2092 GValue gvalue = { 0, };
2093 g_value_init( &gvalue, PANGO_TYPE_WEIGHT );
2094 g_value_set_enum( &gvalue, PANGO_WEIGHT_BOLD );
2095 g_object_set_property( G_OBJECT(renderer), "weight", &gvalue );
2096 g_value_unset( &gvalue );
2097
2098 usingDefaultAttrs = false;
2099 }
2100 else
2101 {
2102 GValue gvalue = { 0, };
2103 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2104 g_value_set_boolean( &gvalue, FALSE );
2105 g_object_set_property( G_OBJECT(renderer), "weight-set", &gvalue );
2106 g_value_unset( &gvalue );
2107 }
2108
2109 #if 0
2110 if (attr.HasBackgroundColour())
2111 {
2112 wxColour colour = attr.GetBackgroundColour();
2113 const GdkColor * const gcol = colour.GetColor();
2114
2115 GValue gvalue = { 0, };
2116 g_value_init( &gvalue, GDK_TYPE_COLOR );
2117 g_value_set_boxed( &gvalue, gcol );
2118 g_object_set_property( G_OBJECT(renderer), "cell-background_gdk", &gvalue );
2119 g_value_unset( &gvalue );
2120 }
2121 else
2122 {
2123 GValue gvalue = { 0, };
2124 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2125 g_value_set_boolean( &gvalue, FALSE );
2126 g_object_set_property( G_OBJECT(renderer), "cell-background-set", &gvalue );
2127 g_value_unset( &gvalue );
2128 }
2129 #endif
2130
2131 return !usingDefaultAttrs;
2132 }
2133
2134 } // anonymous namespace
2135
2136 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
2137
2138 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2139 int align ) :
2140 wxDataViewRenderer( varianttype, mode, align )
2141 {
2142 GtkWxCellRendererText *text_renderer = gtk_wx_cell_renderer_text_new();
2143 text_renderer->wx_renderer = this;
2144 m_renderer = (GtkCellRenderer*) text_renderer;
2145
2146 if (mode & wxDATAVIEW_CELL_EDITABLE)
2147 {
2148 GValue gvalue = { 0, };
2149 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2150 g_value_set_boolean( &gvalue, true );
2151 g_object_set_property( G_OBJECT(m_renderer), "editable", &gvalue );
2152 g_value_unset( &gvalue );
2153
2154 g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2155
2156 GtkInitHandlers();
2157 }
2158
2159 SetMode(mode);
2160 SetAlignment(align);
2161 }
2162
2163 bool wxDataViewTextRenderer::SetTextValue(const wxString& str)
2164 {
2165 GValue gvalue = { 0, };
2166 g_value_init( &gvalue, G_TYPE_STRING );
2167 g_value_set_string( &gvalue, wxGTK_CONV_FONT( str, GetOwner()->GetOwner()->GetFont() ) );
2168 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2169 g_value_unset( &gvalue );
2170
2171 return true;
2172 }
2173
2174 bool wxDataViewTextRenderer::GetTextValue(wxString& str) const
2175 {
2176 GValue gvalue = { 0, };
2177 g_value_init( &gvalue, G_TYPE_STRING );
2178 g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2179 str = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), const_cast<wxDataViewTextRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );
2180 g_value_unset( &gvalue );
2181
2182 return true;
2183 }
2184
2185 void wxDataViewTextRenderer::SetAlignment( int align )
2186 {
2187 wxDataViewRenderer::SetAlignment(align);
2188
2189 #ifndef __WXGTK3__
2190 if (gtk_check_version(2,10,0))
2191 return;
2192 #endif
2193
2194 // horizontal alignment:
2195 PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2196 if (align & wxALIGN_RIGHT)
2197 pangoAlign = PANGO_ALIGN_RIGHT;
2198 else if (align & wxALIGN_CENTER_HORIZONTAL)
2199 pangoAlign = PANGO_ALIGN_CENTER;
2200
2201 GValue gvalue = { 0, };
2202 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2203 g_value_set_enum( &gvalue, pangoAlign );
2204 g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2205 g_value_unset( &gvalue );
2206 }
2207
2208 bool wxDataViewTextRenderer::GtkSetAttr(const wxDataViewItemAttr& attr)
2209 {
2210 return GtkApplyAttr(GtkGetTextRenderer(), attr);
2211 }
2212
2213 GtkCellRendererText *wxDataViewTextRenderer::GtkGetTextRenderer() const
2214 {
2215 return GTK_CELL_RENDERER_TEXT(m_renderer);
2216 }
2217
2218 // ---------------------------------------------------------
2219 // wxDataViewBitmapRenderer
2220 // ---------------------------------------------------------
2221
2222 namespace
2223 {
2224
2225 // set "pixbuf" property on the given renderer
2226 void SetPixbufProp(GtkCellRenderer *renderer, GdkPixbuf *pixbuf)
2227 {
2228 GValue gvalue = { 0, };
2229 g_value_init( &gvalue, G_TYPE_OBJECT );
2230 g_value_set_object( &gvalue, pixbuf );
2231 g_object_set_property( G_OBJECT(renderer), "pixbuf", &gvalue );
2232 g_value_unset( &gvalue );
2233 }
2234
2235 } // anonymous namespace
2236
2237 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
2238
2239 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2240 int align ) :
2241 wxDataViewRenderer( varianttype, mode, align )
2242 {
2243 m_renderer = gtk_cell_renderer_pixbuf_new();
2244
2245 SetMode(mode);
2246 SetAlignment(align);
2247 }
2248
2249 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
2250 {
2251 if (value.GetType() == wxT("wxBitmap"))
2252 {
2253 wxBitmap bitmap;
2254 bitmap << value;
2255
2256 // GetPixbuf() may create a Pixbuf representation in the wxBitmap
2257 // object (and it will stay there and remain owned by wxBitmap)
2258 SetPixbufProp(m_renderer, bitmap.GetPixbuf());
2259 }
2260 else if (value.GetType() == wxT("wxIcon"))
2261 {
2262 wxIcon icon;
2263 icon << value;
2264
2265 SetPixbufProp(m_renderer, icon.GetPixbuf());
2266 }
2267 else
2268 {
2269 return false;
2270 }
2271
2272 return true;
2273 }
2274
2275 bool wxDataViewBitmapRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2276 {
2277 return false;
2278 }
2279
2280 // ---------------------------------------------------------
2281 // wxDataViewToggleRenderer
2282 // ---------------------------------------------------------
2283
2284 extern "C" {
2285 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2286 gchar *path, gpointer user_data );
2287 }
2288
2289 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2290 gchar *path, gpointer user_data )
2291 {
2292 wxDataViewToggleRenderer *cell = (wxDataViewToggleRenderer*) user_data;
2293
2294 // get old value
2295 GValue gvalue = { 0, };
2296 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2297 g_object_get_property( G_OBJECT(renderer), "active", &gvalue );
2298 // invert it
2299 wxVariant value = !g_value_get_boolean( &gvalue );
2300 g_value_unset( &gvalue );
2301
2302 if (!cell->Validate( value ))
2303 return;
2304
2305 wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
2306 wxDataViewModel *model = ctrl->GetModel();
2307
2308 wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));
2309
2310 unsigned int model_col = cell->GetOwner()->GetModelColumn();
2311
2312 model->ChangeValue( value, item, model_col );
2313 }
2314
2315 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
2316
2317 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
2318 wxDataViewCellMode mode, int align ) :
2319 wxDataViewRenderer( varianttype, mode, align )
2320 {
2321 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_toggle_new();
2322
2323 if (mode & wxDATAVIEW_CELL_ACTIVATABLE)
2324 {
2325 g_signal_connect_after( m_renderer, "toggled",
2326 G_CALLBACK(wxGtkToggleRendererToggledCallback), this );
2327 }
2328 else
2329 {
2330 GValue gvalue = { 0, };
2331 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2332 g_value_set_boolean( &gvalue, false );
2333 g_object_set_property( G_OBJECT(m_renderer), "activatable", &gvalue );
2334 g_value_unset( &gvalue );
2335 }
2336
2337 SetMode(mode);
2338 SetAlignment(align);
2339 }
2340
2341 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
2342 {
2343 bool tmp = value;
2344
2345 GValue gvalue = { 0, };
2346 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2347 g_value_set_boolean( &gvalue, tmp );
2348 g_object_set_property( G_OBJECT(m_renderer), "active", &gvalue );
2349 g_value_unset( &gvalue );
2350
2351 return true;
2352 }
2353
2354 bool wxDataViewToggleRenderer::GetValue( wxVariant &value ) const
2355 {
2356 GValue gvalue = { 0, };
2357 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2358 g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );
2359 value = g_value_get_boolean( &gvalue ) != 0;
2360 g_value_unset( &gvalue );
2361
2362 return true;
2363 }
2364
2365 // ---------------------------------------------------------
2366 // wxDataViewCustomRenderer
2367 // ---------------------------------------------------------
2368
2369 #ifndef __WXGTK3__
2370 class wxDataViewCtrlDCImpl: public wxWindowDCImpl
2371 {
2372 public:
2373 wxDataViewCtrlDCImpl( wxDC *owner, wxDataViewCtrl *window ) :
2374 wxWindowDCImpl( owner )
2375 {
2376 GtkWidget *widget = window->m_treeview;
2377 // Set later
2378 m_gdkwindow = NULL;
2379
2380 m_window = window;
2381
2382 m_context = window->GTKGetPangoDefaultContext();
2383 m_layout = pango_layout_new( m_context );
2384 m_fontdesc = pango_font_description_copy(gtk_widget_get_style(widget)->font_desc);
2385
2386 m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
2387
2388 // Set m_gdkwindow later
2389 // SetUpDC();
2390 }
2391 };
2392
2393 class wxDataViewCtrlDC: public wxWindowDC
2394 {
2395 public:
2396 wxDataViewCtrlDC( wxDataViewCtrl *window ) :
2397 wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )
2398 { }
2399 };
2400 #endif
2401
2402 // ---------------------------------------------------------
2403 // wxDataViewCustomRenderer
2404 // ---------------------------------------------------------
2405
2406 IMPLEMENT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
2407
2408 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
2409 wxDataViewCellMode mode,
2410 int align,
2411 bool no_init )
2412 : wxDataViewCustomRendererBase( varianttype, mode, align )
2413 {
2414 m_dc = NULL;
2415 m_text_renderer = NULL;
2416 m_renderParams = NULL;
2417
2418 if (no_init)
2419 m_renderer = NULL;
2420 else
2421 Init(mode, align);
2422 }
2423
2424 void wxDataViewCustomRenderer::GtkInitTextRenderer()
2425 {
2426 m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
2427 g_object_ref_sink(m_text_renderer);
2428
2429 GtkApplyAlignment(GTK_CELL_RENDERER(m_text_renderer));
2430 }
2431
2432 GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
2433 {
2434 if ( !m_text_renderer )
2435 {
2436 // we create it on demand so need to do it even from a const function
2437 const_cast<wxDataViewCustomRenderer *>(this)->GtkInitTextRenderer();
2438 }
2439
2440 return m_text_renderer;
2441 }
2442
2443 void wxDataViewCustomRenderer::RenderText( const wxString &text,
2444 int xoffset,
2445 wxRect cell,
2446 wxDC *WXUNUSED(dc),
2447 int WXUNUSED(state) )
2448 {
2449
2450 GtkCellRendererText * const textRenderer = GtkGetTextRenderer();
2451
2452 GValue gvalue = { 0, };
2453 g_value_init( &gvalue, G_TYPE_STRING );
2454 g_value_set_string( &gvalue, wxGTK_CONV_FONT( text, GetOwner()->GetOwner()->GetFont() ) );
2455 g_object_set_property( G_OBJECT(textRenderer), "text", &gvalue );
2456 g_value_unset( &gvalue );
2457
2458 GtkApplyAttr(textRenderer, GetAttr());
2459
2460 GdkRectangle cell_area;
2461 wxRectToGDKRect(cell, cell_area);
2462 cell_area.x += xoffset;
2463 cell_area.width -= xoffset;
2464
2465 gtk_cell_renderer_render( GTK_CELL_RENDERER(textRenderer),
2466 #ifdef __WXGTK3__
2467 m_renderParams->cr,
2468 #else
2469 m_renderParams->window,
2470 #endif
2471 m_renderParams->widget,
2472 m_renderParams->background_area,
2473 &cell_area,
2474 #ifndef __WXGTK3__
2475 m_renderParams->expose_area,
2476 #endif
2477 GtkCellRendererState(m_renderParams->flags));
2478 }
2479
2480 bool wxDataViewCustomRenderer::Init(wxDataViewCellMode mode, int align)
2481 {
2482 GtkWxCellRenderer *renderer = (GtkWxCellRenderer *) gtk_wx_cell_renderer_new();
2483 renderer->cell = this;
2484
2485 m_renderer = (GtkCellRenderer*) renderer;
2486
2487 SetMode(mode);
2488 SetAlignment(align);
2489
2490 GtkInitHandlers();
2491
2492 return true;
2493 }
2494
2495 wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
2496 {
2497 if (m_dc)
2498 delete m_dc;
2499
2500 if (m_text_renderer)
2501 g_object_unref(m_text_renderer);
2502 }
2503
2504 wxDC *wxDataViewCustomRenderer::GetDC()
2505 {
2506 if (m_dc == NULL)
2507 {
2508 #ifdef __WXGTK3__
2509 wxASSERT(m_renderParams);
2510 cairo_t* cr = m_renderParams->cr;
2511 wxASSERT(cr && cairo_status(cr) == 0);
2512 m_dc = new wxGTKCairoDC(cr);
2513 #else
2514 if (GetOwner() == NULL)
2515 return NULL;
2516 if (GetOwner()->GetOwner() == NULL)
2517 return NULL;
2518 m_dc = new wxDataViewCtrlDC( GetOwner()->GetOwner() );
2519 #endif
2520 }
2521
2522 return m_dc;
2523 }
2524
2525 // ---------------------------------------------------------
2526 // wxDataViewProgressRenderer
2527 // ---------------------------------------------------------
2528
2529 IMPLEMENT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
2530
2531 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
2532 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
2533 wxDataViewCustomRenderer( varianttype, mode, align, true )
2534 {
2535 m_label = label;
2536 m_value = 0;
2537
2538 {
2539 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
2540
2541 SetMode(mode);
2542 SetAlignment(align);
2543
2544 #if !wxUSE_UNICODE
2545 // We can't initialize the renderer just yet because we don't have the
2546 // pointer to the column that uses this renderer yet and so attempt to
2547 // dereference GetOwner() to get the font that is used as a source of
2548 // encoding in multibyte-to-Unicode conversion in GTKSetLabel() in
2549 // non-Unicode builds would crash. So simply remember to do it later.
2550 if ( !m_label.empty() )
2551 m_needsToSetLabel = true;
2552 else
2553 #endif // !wxUSE_UNICODE
2554 {
2555 GTKSetLabel();
2556 }
2557 }
2558 }
2559
2560 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
2561 {
2562 }
2563
2564 void wxDataViewProgressRenderer::GTKSetLabel()
2565 {
2566 GValue gvalue = { 0, };
2567 g_value_init( &gvalue, G_TYPE_STRING );
2568
2569 // Take care to not use GetOwner() here if the label is empty, we can be
2570 // called from ctor when GetOwner() is still NULL in this case.
2571 wxScopedCharBuffer buf;
2572 if ( m_label.empty() )
2573 buf = wxScopedCharBuffer::CreateNonOwned("");
2574 else
2575 buf = wxGTK_CONV_FONT(m_label, GetOwner()->GetOwner()->GetFont());
2576
2577 g_value_set_string( &gvalue, buf);
2578 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2579 g_value_unset( &gvalue );
2580
2581 #if !wxUSE_UNICODE
2582 m_needsToSetLabel = false;
2583 #endif // !wxUSE_UNICODE
2584 }
2585
2586 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
2587 {
2588 {
2589 #if !wxUSE_UNICODE
2590 if ( m_needsToSetLabel )
2591 GTKSetLabel();
2592 #endif // !wxUSE_UNICODE
2593
2594 gint tmp = (long) value;
2595 GValue gvalue = { 0, };
2596 g_value_init( &gvalue, G_TYPE_INT );
2597 g_value_set_int( &gvalue, tmp );
2598 g_object_set_property( G_OBJECT(m_renderer), "value", &gvalue );
2599 g_value_unset( &gvalue );
2600 }
2601
2602 return true;
2603 }
2604
2605 bool wxDataViewProgressRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2606 {
2607 return false;
2608 }
2609
2610 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
2611 {
2612 double pct = (double)m_value / 100.0;
2613 wxRect bar = cell;
2614 bar.width = (int)(cell.width * pct);
2615 dc->SetPen( *wxTRANSPARENT_PEN );
2616 dc->SetBrush( *wxBLUE_BRUSH );
2617 dc->DrawRectangle( bar );
2618
2619 dc->SetBrush( *wxTRANSPARENT_BRUSH );
2620 dc->SetPen( *wxBLACK_PEN );
2621 dc->DrawRectangle( cell );
2622
2623 return true;
2624 }
2625
2626 wxSize wxDataViewProgressRenderer::GetSize() const
2627 {
2628 return wxSize(40,12);
2629 }
2630
2631 // -------------------------------------
2632 // wxDataViewChoiceRenderer
2633 // -------------------------------------
2634
2635 wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices,
2636 wxDataViewCellMode mode, int alignment ) :
2637 wxDataViewCustomRenderer( "string", mode, alignment, true )
2638 {
2639 m_choices = choices;
2640
2641 {
2642 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
2643
2644 GtkListStore *store = gtk_list_store_new( 1, G_TYPE_STRING );
2645 for (size_t n = 0; n < m_choices.GetCount(); n++)
2646 {
2647 gtk_list_store_insert_with_values(
2648 store, NULL, n, 0,
2649 static_cast<const char *>(m_choices[n].utf8_str()), -1 );
2650 }
2651
2652 g_object_set (m_renderer,
2653 "model", store,
2654 "text-column", 0,
2655 "has-entry", FALSE,
2656 NULL);
2657
2658 bool editable = (mode & wxDATAVIEW_CELL_EDITABLE) != 0;
2659 g_object_set (m_renderer, "editable", editable, NULL);
2660
2661 SetAlignment(alignment);
2662
2663 g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2664
2665 GtkInitHandlers();
2666 }
2667 }
2668
2669 bool wxDataViewChoiceRenderer::Render( wxRect rect, wxDC *dc, int state )
2670 {
2671 RenderText( m_data, 0, rect, dc, state );
2672 return true;
2673 }
2674
2675 wxSize wxDataViewChoiceRenderer::GetSize() const
2676 {
2677 return wxSize(70,20);
2678 }
2679
2680 bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
2681 {
2682
2683 {
2684 GValue gvalue = { 0, };
2685 g_value_init( &gvalue, G_TYPE_STRING );
2686 g_value_set_string(&gvalue,
2687 wxGTK_CONV_FONT(value.GetString(),
2688 GetOwner()->GetOwner()->GetFont()));
2689 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2690 g_value_unset( &gvalue );
2691 }
2692
2693 return true;
2694 }
2695
2696 bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
2697 {
2698 {
2699 GValue gvalue = { 0, };
2700 g_value_init( &gvalue, G_TYPE_STRING );
2701 g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2702 wxString temp = wxGTK_CONV_BACK_FONT(g_value_get_string(&gvalue),
2703 GetOwner()->GetOwner()->GetFont());
2704 g_value_unset( &gvalue );
2705 value = temp;
2706
2707 //wxPrintf( "temp %s\n", temp );
2708 // TODO: remove this code
2709 }
2710
2711 return true;
2712 }
2713
2714 void wxDataViewChoiceRenderer::SetAlignment( int align )
2715 {
2716 wxDataViewCustomRenderer::SetAlignment(align);
2717
2718 #ifndef __WXGTK3__
2719 if (gtk_check_version(2,10,0))
2720 return;
2721 #endif
2722
2723 // horizontal alignment:
2724 PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2725 if (align & wxALIGN_RIGHT)
2726 pangoAlign = PANGO_ALIGN_RIGHT;
2727 else if (align & wxALIGN_CENTER_HORIZONTAL)
2728 pangoAlign = PANGO_ALIGN_CENTER;
2729
2730 GValue gvalue = { 0, };
2731 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2732 g_value_set_enum( &gvalue, pangoAlign );
2733 g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2734 g_value_unset( &gvalue );
2735 }
2736
2737 // ----------------------------------------------------------------------------
2738 // wxDataViewChoiceByIndexRenderer
2739 // ----------------------------------------------------------------------------
2740
2741 wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
2742 wxDataViewCellMode mode, int alignment ) :
2743 wxDataViewChoiceRenderer( choices, mode, alignment )
2744 {
2745 }
2746
2747 void wxDataViewChoiceByIndexRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
2748 {
2749 wxVariant value( (long) GetChoices().Index( str ) );
2750
2751 if (!Validate( value ))
2752 return;
2753
2754 wxDataViewItem
2755 item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
2756
2757 GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
2758 }
2759
2760 bool wxDataViewChoiceByIndexRenderer::SetValue( const wxVariant &value )
2761 {
2762 wxVariant string_value = GetChoice( value.GetLong() );
2763 return wxDataViewChoiceRenderer::SetValue( string_value );
2764 }
2765
2766 bool wxDataViewChoiceByIndexRenderer::GetValue( wxVariant &value ) const
2767 {
2768 wxVariant string_value;
2769 if (!wxDataViewChoiceRenderer::GetValue( string_value ))
2770 return false;
2771
2772 value = (long) GetChoices().Index( string_value.GetString() );
2773 return true;
2774 }
2775
2776 // ---------------------------------------------------------
2777 // wxDataViewIconTextRenderer
2778 // ---------------------------------------------------------
2779
2780 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
2781
2782 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer
2783 (
2784 const wxString &varianttype,
2785 wxDataViewCellMode mode,
2786 int align
2787 )
2788 : wxDataViewTextRenderer(varianttype, mode, align)
2789 {
2790 m_rendererIcon = gtk_cell_renderer_pixbuf_new();
2791 }
2792
2793 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
2794 {
2795 }
2796
2797 void wxDataViewIconTextRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
2798 {
2799 // add the icon renderer first
2800 gtk_tree_view_column_pack_start(column, m_rendererIcon, FALSE /* !expand */);
2801
2802 // add the text renderer too
2803 wxDataViewRenderer::GtkPackIntoColumn(column);
2804 }
2805
2806 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
2807 {
2808 m_value << value;
2809
2810 SetTextValue(m_value.GetText());
2811
2812 const wxIcon& icon = m_value.GetIcon();
2813 SetPixbufProp(m_rendererIcon, icon.IsOk() ? icon.GetPixbuf() : NULL);
2814
2815 return true;
2816 }
2817
2818 bool wxDataViewIconTextRenderer::GetValue(wxVariant& value) const
2819 {
2820 wxString str;
2821 if ( !GetTextValue(str) )
2822 return false;
2823
2824 // user doesn't have any way to edit the icon so leave it unchanged
2825 value << wxDataViewIconText(str, m_value.GetIcon());
2826
2827 return true;
2828 }
2829
2830 void
2831 wxDataViewIconTextRenderer::GtkOnCellChanged(const wxVariant& value,
2832 const wxDataViewItem& item,
2833 unsigned col)
2834 {
2835 // we receive just the text part of our value as it's the only one which
2836 // can be edited, but we need the full wxDataViewIconText value for the
2837 // model
2838 wxVariant valueIconText;
2839 valueIconText << wxDataViewIconText(value.GetString(), m_value.GetIcon());
2840 wxDataViewTextRenderer::GtkOnCellChanged(valueIconText, item, col);
2841 }
2842
2843 // ---------------------------------------------------------
2844 // wxDataViewColumn
2845 // ---------------------------------------------------------
2846
2847
2848 static gboolean
2849 gtk_dataview_header_button_press_callback( GtkWidget *WXUNUSED(widget),
2850 GdkEventButton *gdk_event,
2851 wxDataViewColumn *column )
2852 {
2853 if (gdk_event->type != GDK_BUTTON_PRESS)
2854 return FALSE;
2855
2856 if (gdk_event->button == 1)
2857 {
2858 gs_lastLeftClickHeader = column;
2859
2860 wxDataViewCtrl *dv = column->GetOwner();
2861 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
2862 event.SetDataViewColumn( column );
2863 event.SetModel( dv->GetModel() );
2864 if (dv->HandleWindowEvent( event ))
2865 return FALSE;
2866 }
2867
2868 if (gdk_event->button == 3)
2869 {
2870 wxDataViewCtrl *dv = column->GetOwner();
2871 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, dv->GetId() );
2872 event.SetDataViewColumn( column );
2873 event.SetModel( dv->GetModel() );
2874 if (dv->HandleWindowEvent( event ))
2875 return FALSE;
2876 }
2877
2878 return FALSE;
2879 }
2880
2881 extern "C"
2882 {
2883
2884 static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
2885 GtkCellRenderer *renderer,
2886 GtkTreeModel *model,
2887 GtkTreeIter *iter,
2888 gpointer data )
2889 {
2890 g_return_if_fail (GTK_IS_WX_TREE_MODEL (model));
2891 GtkWxTreeModel *tree_model = (GtkWxTreeModel *) model;
2892
2893 wxDataViewRenderer *cell = (wxDataViewRenderer*) data;
2894
2895 wxDataViewItem item( (void*) iter->user_data );
2896
2897 wxDataViewModel *wx_model = tree_model->internal->GetDataViewModel();
2898
2899 if (!wx_model->IsVirtualListModel())
2900 {
2901 gboolean visible;
2902 if (wx_model->IsContainer( item ))
2903 {
2904 visible = wx_model->HasContainerColumns( item ) ||
2905 (cell->GetOwner()->GetModelColumn() == 0);
2906 }
2907 else
2908 {
2909 visible = true;
2910 }
2911
2912 GValue gvalue = { 0, };
2913 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2914 g_value_set_boolean( &gvalue, visible );
2915 g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
2916 g_value_unset( &gvalue );
2917
2918 if ( !visible )
2919 return;
2920 }
2921
2922 wxVariant value;
2923 wx_model->GetValue( value, item, cell->GetOwner()->GetModelColumn() );
2924
2925 if (value.GetType() != cell->GetVariantType())
2926 {
2927 wxLogError( wxT("Wrong type, required: %s but: %s"),
2928 value.GetType().c_str(),
2929 cell->GetVariantType().c_str() );
2930 }
2931
2932 cell->SetValue( value );
2933
2934 // deal with disabled items
2935 bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn() );
2936
2937 // a) this sets the appearance to disabled grey
2938 GValue gvalue = { 0, };
2939 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2940 g_value_set_boolean( &gvalue, enabled );
2941 g_object_set_property( G_OBJECT(renderer), "sensitive", &gvalue );
2942 g_value_unset( &gvalue );
2943
2944 // b) this actually disables the control/renderer
2945 if (enabled)
2946 cell->SetMode( cell->GtkGetMode() );
2947 else
2948 cell->SetMode( wxDATAVIEW_CELL_INERT );
2949
2950
2951 // deal with attributes: if the renderer doesn't support them at all, we
2952 // don't even need to query the model for them
2953 if ( !cell->GtkSupportsAttrs() )
2954 return;
2955
2956 // it can support attributes so check if this item has any
2957 wxDataViewItemAttr attr;
2958 if ( wx_model->GetAttr( item, cell->GetOwner()->GetModelColumn(), attr )
2959 || !cell->GtkIsUsingDefaultAttrs() )
2960 {
2961 bool usingDefaultAttrs = !cell->GtkSetAttr(attr);
2962 cell->GtkSetUsingDefaultAttrs(usingDefaultAttrs);
2963 }
2964 // else: no custom attributes specified and we're already using the default
2965 // ones -- nothing to do
2966
2967 }
2968
2969 } // extern "C"
2970
2971 #include <wx/listimpl.cpp>
2972 WX_DEFINE_LIST(wxDataViewColumnList)
2973
2974 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
2975 unsigned int model_column, int width,
2976 wxAlignment align, int flags )
2977 : wxDataViewColumnBase( cell, model_column )
2978 {
2979 Init( align, flags, width );
2980
2981 SetTitle( title );
2982 }
2983
2984 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
2985 unsigned int model_column, int width,
2986 wxAlignment align, int flags )
2987 : wxDataViewColumnBase( bitmap, cell, model_column )
2988 {
2989 Init( align, flags, width );
2990
2991 SetBitmap( bitmap );
2992 }
2993
2994 void wxDataViewColumn::Init(wxAlignment align, int flags, int width)
2995 {
2996 m_isConnected = false;
2997
2998 GtkTreeViewColumn *column = gtk_tree_view_column_new();
2999 m_column = (GtkWidget*) column;
3000
3001 SetFlags( flags );
3002 SetAlignment( align );
3003
3004 SetWidth( width );
3005
3006 // Create container for icon and label
3007 GtkWidget *box = gtk_hbox_new( FALSE, 1 );
3008 gtk_widget_show( box );
3009 // gtk_container_set_border_width((GtkContainer*)box, 2);
3010 m_image = gtk_image_new();
3011 gtk_box_pack_start(GTK_BOX(box), m_image, FALSE, FALSE, 1);
3012 m_label = gtk_label_new("");
3013 gtk_box_pack_end( GTK_BOX(box), GTK_WIDGET(m_label), FALSE, FALSE, 1 );
3014 gtk_tree_view_column_set_widget( column, box );
3015
3016 wxDataViewRenderer * const colRenderer = GetRenderer();
3017 GtkCellRenderer * const cellRenderer = colRenderer->GetGtkHandle();
3018
3019 colRenderer->GtkPackIntoColumn(column);
3020
3021 gtk_tree_view_column_set_cell_data_func( column, cellRenderer,
3022 wxGtkTreeCellDataFunc, (gpointer) colRenderer, NULL );
3023 }
3024
3025 void wxDataViewColumn::OnInternalIdle()
3026 {
3027 if (m_isConnected)
3028 return;
3029
3030 if (gtk_widget_get_realized(GetOwner()->m_treeview))
3031 {
3032 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3033 GtkWidget* button = gtk_tree_view_column_get_button(column);
3034 if (button)
3035 {
3036 g_signal_connect(button, "button_press_event",
3037 G_CALLBACK (gtk_dataview_header_button_press_callback), this);
3038
3039 // otherwise the event will be blocked by GTK+
3040 gtk_tree_view_column_set_clickable( column, TRUE );
3041
3042 m_isConnected = true;
3043 }
3044 }
3045 }
3046
3047 void wxDataViewColumn::SetOwner( wxDataViewCtrl *owner )
3048 {
3049 wxDataViewColumnBase::SetOwner( owner );
3050
3051 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3052
3053 gtk_tree_view_column_set_title( column, wxGTK_CONV_FONT(GetTitle(), GetOwner()->GetFont() ) );
3054 }
3055
3056 void wxDataViewColumn::SetTitle( const wxString &title )
3057 {
3058 wxDataViewCtrl *ctrl = GetOwner();
3059 gtk_label_set_text( GTK_LABEL(m_label), ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())
3060 : wxGTK_CONV_SYS(title) );
3061 if (title.empty())
3062 gtk_widget_hide( m_label );
3063 else
3064 gtk_widget_show( m_label );
3065 }
3066
3067 wxString wxDataViewColumn::GetTitle() const
3068 {
3069 return wxGTK_CONV_BACK_FONT(
3070 gtk_label_get_text( GTK_LABEL(m_label) ),
3071 GetOwner()->GetFont()
3072 );
3073 }
3074
3075 void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
3076 {
3077 wxDataViewColumnBase::SetBitmap( bitmap );
3078
3079 if (bitmap.IsOk())
3080 {
3081 GtkImage *gtk_image = GTK_IMAGE(m_image);
3082
3083 gtk_image_set_from_pixbuf(GTK_IMAGE(gtk_image), bitmap.GetPixbuf());
3084 gtk_widget_show( m_image );
3085 }
3086 else
3087 {
3088 gtk_widget_hide( m_image );
3089 }
3090 }
3091
3092 void wxDataViewColumn::SetHidden( bool hidden )
3093 {
3094 gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
3095 }
3096
3097 void wxDataViewColumn::SetResizeable( bool resizable )
3098 {
3099 gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizable );
3100 }
3101
3102 void wxDataViewColumn::SetAlignment( wxAlignment align )
3103 {
3104 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3105
3106 gfloat xalign = 0.0;
3107 if (align == wxALIGN_RIGHT)
3108 xalign = 1.0;
3109 if (align == wxALIGN_CENTER_HORIZONTAL ||
3110 align == wxALIGN_CENTER)
3111 xalign = 0.5;
3112
3113 gtk_tree_view_column_set_alignment( column, xalign );
3114
3115 if (m_renderer && m_renderer->GetAlignment() == -1)
3116 m_renderer->GtkUpdateAlignment();
3117 }
3118
3119 wxAlignment wxDataViewColumn::GetAlignment() const
3120 {
3121 gfloat xalign = gtk_tree_view_column_get_alignment( GTK_TREE_VIEW_COLUMN(m_column) );
3122
3123 if (xalign == 1.0)
3124 return wxALIGN_RIGHT;
3125 if (xalign == 0.5)
3126 return wxALIGN_CENTER_HORIZONTAL;
3127
3128 return wxALIGN_LEFT;
3129 }
3130
3131 void wxDataViewColumn::SetSortable( bool sortable )
3132 {
3133 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3134
3135 if ( sortable )
3136 {
3137 gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
3138 }
3139 else
3140 {
3141 gtk_tree_view_column_set_sort_column_id( column, -1 );
3142 gtk_tree_view_column_set_sort_indicator( column, FALSE );
3143 gtk_tree_view_column_set_clickable( column, FALSE );
3144 }
3145 }
3146
3147 bool wxDataViewColumn::IsSortable() const
3148 {
3149 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3150 return gtk_tree_view_column_get_clickable( column ) != 0;
3151 }
3152
3153 bool wxDataViewColumn::IsSortKey() const
3154 {
3155 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3156 return gtk_tree_view_column_get_sort_indicator( column ) != 0;
3157 }
3158
3159 bool wxDataViewColumn::IsResizeable() const
3160 {
3161 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3162 return gtk_tree_view_column_get_resizable( column ) != 0;
3163 }
3164
3165 bool wxDataViewColumn::IsHidden() const
3166 {
3167 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3168 return !gtk_tree_view_column_get_visible( column );
3169 }
3170
3171 void wxDataViewColumn::SetSortOrder( bool ascending )
3172 {
3173 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3174
3175 if (ascending)
3176 gtk_tree_view_column_set_sort_order( column, GTK_SORT_ASCENDING );
3177 else
3178 gtk_tree_view_column_set_sort_order( column, GTK_SORT_DESCENDING );
3179
3180 gtk_tree_view_column_set_sort_indicator( column, TRUE );
3181 }
3182
3183 bool wxDataViewColumn::IsSortOrderAscending() const
3184 {
3185 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3186
3187 return (gtk_tree_view_column_get_sort_order( column ) != GTK_SORT_DESCENDING);
3188 }
3189
3190 void wxDataViewColumn::SetMinWidth( int width )
3191 {
3192 gtk_tree_view_column_set_min_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3193 }
3194
3195 int wxDataViewColumn::GetMinWidth() const
3196 {
3197 return gtk_tree_view_column_get_min_width( GTK_TREE_VIEW_COLUMN(m_column) );
3198 }
3199
3200 int wxDataViewColumn::GetWidth() const
3201 {
3202 return gtk_tree_view_column_get_width( GTK_TREE_VIEW_COLUMN(m_column) );
3203 }
3204
3205 void wxDataViewColumn::SetWidth( int width )
3206 {
3207 if ( width == wxCOL_WIDTH_AUTOSIZE )
3208 {
3209 // NB: this disables user resizing
3210 gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_AUTOSIZE );
3211 }
3212 else
3213 {
3214 if ( width == wxCOL_WIDTH_DEFAULT )
3215 {
3216 // TODO find a better calculation
3217 width = wxDVC_DEFAULT_WIDTH;
3218 }
3219
3220 gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_FIXED );
3221 gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3222 }
3223 }
3224
3225 void wxDataViewColumn::SetReorderable( bool reorderable )
3226 {
3227 gtk_tree_view_column_set_reorderable( GTK_TREE_VIEW_COLUMN(m_column), reorderable );
3228 }
3229
3230 bool wxDataViewColumn::IsReorderable() const
3231 {
3232 return gtk_tree_view_column_get_reorderable( GTK_TREE_VIEW_COLUMN(m_column) ) != 0;
3233 }
3234
3235 //-----------------------------------------------------------------------------
3236 // wxGtkTreeModelNode
3237 //-----------------------------------------------------------------------------
3238
3239 #if 0
3240 class wxGtkTreeModelChildWithPos
3241 {
3242 public:
3243 unsigned int pos;
3244 void *id;
3245 };
3246
3247 static
3248 int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const void* user_data )
3249 {
3250 const wxGtkTreeModelChildWithPos* child1 = (const wxGtkTreeModelChildWithPos*) data1;
3251 const wxGtkTreeModelChildWithPos* child2 = (const wxGtkTreeModelChildWithPos*) data2;
3252 const wxDataViewCtrlInternal *internal = (const wxDataViewCtrlInternal *) user_data;
3253 int ret = internal->GetDataViewModel()->Compare( child1->id, child2->id,
3254 internal->GetSortColumn(), (internal->GetSortOrder() == GTK_SORT_DESCENDING) );
3255
3256 return ret;
3257 }
3258 #else
3259 static
3260 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
3261 {
3262 return gs_internal->GetDataViewModel()->Compare( wxDataViewItem(**data1), wxDataViewItem(**data2),
3263 gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
3264 }
3265
3266 WX_DEFINE_ARRAY_PTR( void**, wxGtkTreeModelChildrenPtr );
3267 #endif
3268
3269 void wxGtkTreeModelNode::Resort()
3270 {
3271 size_t child_count = GetChildCount();
3272 if (child_count == 0)
3273 return;
3274
3275 size_t node_count = GetNodesCount();
3276
3277 if (child_count == 1)
3278 {
3279 if (node_count == 1)
3280 {
3281 wxGtkTreeModelNode *node = m_nodes.Item( 0 );
3282 node->Resort();
3283 }
3284 return;
3285 }
3286
3287 gint *new_order = new gint[child_count];
3288
3289 #if 1
3290 // m_children has the original *void
3291 // ptrs points to these
3292 wxGtkTreeModelChildrenPtr ptrs;
3293 size_t i;
3294 for (i = 0; i < child_count; i++)
3295 ptrs.Add( &(m_children[i]) );
3296 // Sort the ptrs
3297 gs_internal = m_internal;
3298 ptrs.Sort( &wxGtkTreeModelChildPtrCmp );
3299
3300 wxGtkTreeModelChildren temp;
3301 void** base_ptr = &(m_children[0]);
3302 // Transfer positions to new_order array and
3303 // IDs to temp
3304 for (i = 0; i < child_count; i++)
3305 {
3306 new_order[i] = ptrs[i] - base_ptr;
3307 temp.Add( *ptrs[i] );
3308 }
3309
3310 // Transfer IDs back to m_children
3311 m_children.Clear();
3312 WX_APPEND_ARRAY( temp, m_children );
3313 #endif
3314 #if 0
3315 // Too slow
3316
3317 // Build up array with IDs and original positions
3318 wxGtkTreeModelChildWithPos* temp = new wxGtkTreeModelChildWithPos[child_count];
3319 size_t i;
3320 for (i = 0; i < child_count; i++)
3321 {
3322 temp[i].pos = i;
3323 temp[i].id = m_children[i];
3324 }
3325 // Sort array keeping original positions
3326 wxQsort( temp, child_count, sizeof(wxGtkTreeModelChildWithPos),
3327 &wxGtkTreeModelChildWithPosCmp, m_internal );
3328 // Transfer positions to new_order array and
3329 // IDs to m_children
3330 m_children.Clear();
3331 for (i = 0; i < child_count; i++)
3332 {
3333 new_order[i] = temp[i].pos;
3334 m_children.Add( temp[i].id );
3335 }
3336 // Delete array
3337 delete [] temp;
3338 #endif
3339
3340 #if 0
3341 // Too slow
3342
3343 wxGtkTreeModelChildren temp;
3344 WX_APPEND_ARRAY( temp, m_children );
3345
3346 gs_internal = m_internal;
3347 m_children.Sort( &wxGtkTreeModelChildCmp );
3348
3349 unsigned int pos;
3350 for (pos = 0; pos < child_count; pos++)
3351 {
3352 void *id = m_children.Item( pos );
3353 int old_pos = temp.Index( id );
3354 new_order[pos] = old_pos;
3355 }
3356 #endif
3357
3358 GtkTreeModel *gtk_tree_model = GTK_TREE_MODEL( m_internal->GetGtkModel() );
3359
3360 GtkTreeIter iter;
3361 iter.user_data = GetItem().GetID();
3362 iter.stamp = m_internal->GetGtkModel()->stamp;
3363
3364 gtk_tree_model_rows_reordered( gtk_tree_model,
3365 wxGtkTreePath(m_internal->get_path(&iter)), &iter, new_order );
3366
3367 delete [] new_order;
3368
3369 unsigned int pos;
3370 for (pos = 0; pos < node_count; pos++)
3371 {
3372 wxGtkTreeModelNode *node = m_nodes.Item( pos );
3373 node->Resort();
3374 }
3375 }
3376
3377 //-----------------------------------------------------------------------------
3378 // wxDataViewCtrlInternal
3379 //-----------------------------------------------------------------------------
3380
3381 wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model )
3382 {
3383 m_owner = owner;
3384 m_wx_model = wx_model;
3385
3386 m_gtk_model = NULL;
3387 m_root = NULL;
3388 m_sort_order = GTK_SORT_ASCENDING;
3389 m_sort_column = -1;
3390 m_dataview_sort_column = NULL;
3391
3392 m_dragDataObject = NULL;
3393 m_dropDataObject = NULL;
3394
3395 m_dirty = false;
3396
3397 m_gtk_model = wxgtk_tree_model_new();
3398 m_gtk_model->internal = this;
3399
3400 m_notifier = new wxGtkDataViewModelNotifier( wx_model, this );
3401
3402 wx_model->AddNotifier( m_notifier );
3403
3404 // g_object_unref( gtk_model ); ???
3405
3406 if (!m_wx_model->IsVirtualListModel())
3407 InitTree();
3408
3409 gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->GtkGetTreeView()), GTK_TREE_MODEL(m_gtk_model) );
3410 }
3411
3412 wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
3413 {
3414 m_wx_model->RemoveNotifier( m_notifier );
3415
3416 // remove the model from the GtkTreeView before it gets destroyed
3417 gtk_tree_view_set_model( GTK_TREE_VIEW( m_owner->GtkGetTreeView() ), NULL );
3418
3419 g_object_unref( m_gtk_model );
3420
3421 delete m_dragDataObject;
3422 delete m_dropDataObject;
3423 }
3424
3425 void wxDataViewCtrlInternal::ScheduleRefresh()
3426 {
3427 m_dirty = true;
3428 }
3429
3430 void wxDataViewCtrlInternal::OnInternalIdle()
3431 {
3432 if (m_dirty)
3433 {
3434 GtkWidget *widget = m_owner->GtkGetTreeView();
3435 gtk_widget_queue_draw( widget );
3436 m_dirty = false;
3437 }
3438 }
3439
3440 void wxDataViewCtrlInternal::InitTree()
3441 {
3442 wxDataViewItem item;
3443 m_root = new wxGtkTreeModelNode( NULL, item, this );
3444
3445 BuildBranch( m_root );
3446 }
3447
3448 void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
3449 {
3450 if (node->GetChildCount() == 0)
3451 {
3452 wxDataViewItemArray children;
3453 unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
3454
3455 unsigned int pos;
3456 for (pos = 0; pos < count; pos++)
3457 {
3458 wxDataViewItem child = children[pos];
3459
3460 if (m_wx_model->IsContainer( child ))
3461 node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
3462 else
3463 node->AddLeaf( child.GetID() );
3464
3465 // Don't send any events here
3466 }
3467 }
3468 }
3469
3470 // GTK+ dnd iface
3471
3472 bool wxDataViewCtrlInternal::EnableDragSource( const wxDataFormat &format )
3473 {
3474 wxGtkString atom_str( gdk_atom_name( format ) );
3475 m_dragSourceTargetEntryTarget = wxCharBuffer( atom_str );
3476
3477 m_dragSourceTargetEntry.target = m_dragSourceTargetEntryTarget.data();
3478 m_dragSourceTargetEntry.flags = 0;
3479 m_dragSourceTargetEntry.info = static_cast<guint>(-1);
3480
3481 gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3482 GDK_BUTTON1_MASK, &m_dragSourceTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3483
3484 return true;
3485 }
3486
3487 bool wxDataViewCtrlInternal::EnableDropTarget( const wxDataFormat &format )
3488 {
3489 wxGtkString atom_str( gdk_atom_name( format ) );
3490 m_dropTargetTargetEntryTarget = wxCharBuffer( atom_str );
3491
3492 m_dropTargetTargetEntry.target = m_dropTargetTargetEntryTarget.data();
3493 m_dropTargetTargetEntry.flags = 0;
3494 m_dropTargetTargetEntry.info = static_cast<guint>(-1);
3495
3496 gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3497 &m_dropTargetTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3498
3499 return true;
3500 }
3501
3502 gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
3503 GtkTreePath *path )
3504 {
3505 delete m_dragDataObject;
3506 m_dragDataObject = NULL;
3507
3508 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3509 if ( !item )
3510 return FALSE;
3511
3512 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3513 event.SetEventObject( m_owner );
3514 event.SetItem( item );
3515 event.SetModel( m_wx_model );
3516 gint x, y;
3517 gtk_widget_get_pointer(m_owner->GtkGetTreeView(), &x, &y);
3518 event.SetPosition(x, y);
3519 if (!m_owner->HandleWindowEvent( event ))
3520 return FALSE;
3521
3522 if (!event.IsAllowed())
3523 return FALSE;
3524
3525 wxDataObject *obj = event.GetDataObject();
3526 if (!obj)
3527 return FALSE;
3528
3529 m_dragDataObject = obj;
3530
3531 return TRUE;
3532 }
3533
3534 gboolean
3535 wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source),
3536 GtkTreePath *WXUNUSED(path))
3537 {
3538 return FALSE;
3539 }
3540
3541 gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
3542 GtkTreePath *path, GtkSelectionData *selection_data )
3543 {
3544 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3545 if ( !item )
3546 return FALSE;
3547
3548 GdkAtom target = gtk_selection_data_get_target(selection_data);
3549 if (!m_dragDataObject->IsSupported(target))
3550 return FALSE;
3551
3552 size_t size = m_dragDataObject->GetDataSize(target);
3553 if (size == 0)
3554 return FALSE;
3555
3556 void *buf = malloc( size );
3557
3558 gboolean res = FALSE;
3559 if (m_dragDataObject->GetDataHere(target, buf))
3560 {
3561 res = TRUE;
3562
3563 gtk_selection_data_set(selection_data, target,
3564 8, (const guchar*) buf, size );
3565 }
3566
3567 free( buf );
3568
3569 return res;
3570 }
3571
3572 gboolean
3573 wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
3574 GtkTreePath *path,
3575 GtkSelectionData *selection_data)
3576 {
3577 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3578 if ( !item )
3579 return FALSE;
3580
3581 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
3582 event.SetEventObject( m_owner );
3583 event.SetItem( item );
3584 event.SetModel( m_wx_model );
3585 event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3586 event.SetDataSize(gtk_selection_data_get_length(selection_data));
3587 event.SetDataBuffer(const_cast<guchar*>(gtk_selection_data_get_data(selection_data)));
3588 if (!m_owner->HandleWindowEvent( event ))
3589 return FALSE;
3590
3591 if (!event.IsAllowed())
3592 return FALSE;
3593
3594 return TRUE;
3595 }
3596
3597 gboolean
3598 wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
3599 GtkTreePath *path,
3600 GtkSelectionData *selection_data)
3601 {
3602 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3603 if ( !item )
3604 return FALSE;
3605
3606 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
3607 event.SetEventObject( m_owner );
3608 event.SetItem( item );
3609 event.SetModel( m_wx_model );
3610 event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3611 event.SetDataSize(gtk_selection_data_get_length(selection_data));
3612 if (!m_owner->HandleWindowEvent( event ))
3613 return FALSE;
3614
3615 if (!event.IsAllowed())
3616 return FALSE;
3617
3618 return TRUE;
3619 }
3620
3621 // notifications from wxDataViewModel
3622
3623 bool wxDataViewCtrlInternal::Cleared()
3624 {
3625 if (m_root)
3626 {
3627 delete m_root;
3628 m_root = NULL;
3629 }
3630
3631 InitTree();
3632
3633 ScheduleRefresh();
3634
3635 return true;
3636 }
3637
3638 void wxDataViewCtrlInternal::Resort()
3639 {
3640 if (!m_wx_model->IsVirtualListModel())
3641 m_root->Resort();
3642
3643 ScheduleRefresh();
3644 }
3645
3646 bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
3647 {
3648 if (!m_wx_model->IsVirtualListModel())
3649 {
3650 wxGtkTreeModelNode *parent_node = FindNode( parent );
3651 wxCHECK_MSG(parent_node, false,
3652 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3653
3654 wxDataViewItemArray modelSiblings;
3655 m_wx_model->GetChildren(parent, modelSiblings);
3656 const int modelSiblingsSize = modelSiblings.size();
3657
3658 int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
3659 wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
3660
3661 const wxGtkTreeModelChildren& nodeSiblings = parent_node->GetChildren();
3662 const int nodeSiblingsSize = nodeSiblings.size();
3663
3664 int nodePos = 0;
3665
3666 if ( posInModel == modelSiblingsSize - 1 )
3667 {
3668 nodePos = nodeSiblingsSize;
3669 }
3670 else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
3671 {
3672 // This is the simple case when our node tree already matches the
3673 // model and only this one item is missing.
3674 nodePos = posInModel;
3675 }
3676 else
3677 {
3678 // It's possible that a larger discrepancy between the model and
3679 // our realization exists. This can happen e.g. when adding a bunch
3680 // of items to the model and then calling ItemsAdded() just once
3681 // afterwards. In this case, we must find the right position by
3682 // looking at sibling items.
3683
3684 // append to the end if we won't find a better position:
3685 nodePos = nodeSiblingsSize;
3686
3687 for ( int nextItemPos = posInModel + 1;
3688 nextItemPos < modelSiblingsSize;
3689 nextItemPos++ )
3690 {
3691 int nextNodePos = parent_node->FindChildByItem(modelSiblings[nextItemPos]);
3692 if ( nextNodePos != wxNOT_FOUND )
3693 {
3694 nodePos = nextNodePos;
3695 break;
3696 }
3697 }
3698 }
3699
3700 if (m_wx_model->IsContainer( item ))
3701 parent_node->InsertNode( new wxGtkTreeModelNode( parent_node, item, this ), nodePos );
3702 else
3703 parent_node->InsertLeaf( item.GetID(), nodePos );
3704 }
3705
3706 ScheduleRefresh();
3707
3708 return true;
3709 }
3710
3711 bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
3712 {
3713 if (!m_wx_model->IsVirtualListModel())
3714 {
3715 wxGtkTreeModelNode *parent_node = FindNode( parent );
3716 wxASSERT_MSG(parent_node,
3717 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3718
3719 parent_node->DeleteChild( item.GetID() );
3720 }
3721
3722 ScheduleRefresh();
3723
3724 return true;
3725 }
3726
3727 bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
3728 {
3729 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3730 event.SetEventObject( m_owner );
3731 event.SetModel( m_owner->GetModel() );
3732 event.SetItem( item );
3733 m_owner->HandleWindowEvent( event );
3734
3735 return true;
3736 }
3737
3738 bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int view_column )
3739 {
3740 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3741 event.SetEventObject( m_owner );
3742 event.SetModel( m_owner->GetModel() );
3743 event.SetColumn( view_column );
3744 event.SetDataViewColumn( GetOwner()->GetColumn(view_column) );
3745 event.SetItem( item );
3746 m_owner->HandleWindowEvent( event );
3747
3748 return true;
3749 }
3750
3751 // GTK+ model iface
3752
3753 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
3754 {
3755 int flags = 0;
3756
3757 if ( m_wx_model->IsListModel() )
3758 flags |= GTK_TREE_MODEL_LIST_ONLY;
3759
3760 if ( !m_wx_model->IsVirtualListModel() )
3761 flags |= GTK_TREE_MODEL_ITERS_PERSIST;
3762
3763 return GtkTreeModelFlags(flags);
3764 }
3765
3766 gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
3767 {
3768
3769 if (m_wx_model->IsVirtualListModel())
3770 {
3771 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3772
3773 unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
3774
3775 if (i >= wx_model->GetCount())
3776 return FALSE;
3777
3778 iter->stamp = m_gtk_model->stamp;
3779 // user_data is just the index +1
3780 iter->user_data = wxUIntToPtr(i+1);
3781
3782 return TRUE;
3783 }
3784 else
3785 {
3786 int depth = gtk_tree_path_get_depth( path );
3787
3788 wxGtkTreeModelNode *node = m_root;
3789
3790 int i;
3791 for (i = 0; i < depth; i++)
3792 {
3793 BuildBranch( node );
3794
3795 gint pos = gtk_tree_path_get_indices (path)[i];
3796 if (pos < 0) return FALSE;
3797 if ((size_t)pos >= node->GetChildCount()) return FALSE;
3798
3799 void* id = node->GetChildren().Item( (size_t) pos );
3800
3801 if (i == depth-1)
3802 {
3803 iter->stamp = m_gtk_model->stamp;
3804 iter->user_data = id;
3805 return TRUE;
3806 }
3807
3808 size_t count = node->GetNodes().GetCount();
3809 size_t pos2;
3810 for (pos2 = 0; pos2 < count; pos2++)
3811 {
3812 wxGtkTreeModelNode *child_node = node->GetNodes().Item( pos2 );
3813 if (child_node->GetItem().GetID() == id)
3814 {
3815 node = child_node;
3816 break;
3817 }
3818 }
3819 }
3820 }
3821
3822 return FALSE;
3823 }
3824
3825 GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
3826 {
3827 // When this is called from ItemDeleted(), the item is already
3828 // deleted in the model.
3829
3830 GtkTreePath *retval = gtk_tree_path_new ();
3831
3832 if (m_wx_model->IsVirtualListModel())
3833 {
3834 // iter is root, add nothing
3835 if (!iter->user_data)
3836 return retval;
3837
3838 // user_data is just the index +1
3839 int i = ( (wxUIntPtr) iter->user_data ) -1;
3840 gtk_tree_path_append_index (retval, i);
3841 }
3842 else
3843 {
3844 void *id = iter->user_data;
3845
3846 wxGtkTreeModelNode *node = FindParentNode( iter );
3847 while (node)
3848 {
3849 int pos = node->GetChildren().Index( id );
3850
3851 gtk_tree_path_prepend_index( retval, pos );
3852
3853 id = node->GetItem().GetID();
3854 node = node->GetParent();
3855 }
3856 }
3857
3858 return retval;
3859 }
3860
3861 gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
3862 {
3863 if (m_wx_model->IsVirtualListModel())
3864 {
3865 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3866
3867 // user_data is just the index +1
3868 int n = ( (wxUIntPtr) iter->user_data ) -1;
3869
3870 if (n == -1)
3871 {
3872 iter->user_data = NULL;
3873 return FALSE;
3874 }
3875
3876 if (n >= (int) wx_model->GetCount()-1)
3877 {
3878 iter->user_data = NULL;
3879 return FALSE;
3880 }
3881
3882 // user_data is just the index +1 (+2 because we need the next)
3883 iter->user_data = wxUIntToPtr(n+2);
3884 }
3885 else
3886 {
3887 wxGtkTreeModelNode *parent = FindParentNode( iter );
3888 if( parent == NULL )
3889 {
3890 iter->user_data = NULL;
3891 return FALSE;
3892 }
3893
3894 int pos = parent->GetChildren().Index( iter->user_data );
3895
3896 if (pos == (int) parent->GetChildCount()-1)
3897 {
3898 iter->user_data = NULL;
3899 return FALSE;
3900 }
3901
3902 iter->user_data = parent->GetChildren().Item( pos+1 );
3903 }
3904
3905 return TRUE;
3906 }
3907
3908 gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
3909 {
3910 if (m_wx_model->IsVirtualListModel())
3911 {
3912 // this is a list, nodes have no children
3913 if (parent)
3914 return FALSE;
3915
3916 iter->stamp = m_gtk_model->stamp;
3917 iter->user_data = (gpointer) 1;
3918
3919 return TRUE;
3920 }
3921 else
3922 {
3923 if (iter == NULL)
3924 {
3925 if (m_root->GetChildCount() == 0) return FALSE;
3926 iter->stamp = m_gtk_model->stamp;
3927 iter->user_data = (gpointer) m_root->GetChildren().Item( 0 );
3928 return TRUE;
3929 }
3930
3931
3932 wxDataViewItem item;
3933 if (parent)
3934 item = wxDataViewItem( (void*) parent->user_data );
3935
3936 if (!m_wx_model->IsContainer( item ))
3937 return FALSE;
3938
3939 wxGtkTreeModelNode *parent_node = FindNode( parent );
3940 wxASSERT_MSG(parent_node,
3941 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3942
3943 BuildBranch( parent_node );
3944
3945 if (parent_node->GetChildCount() == 0)
3946 return FALSE;
3947
3948 iter->stamp = m_gtk_model->stamp;
3949 iter->user_data = (gpointer) parent_node->GetChildren().Item( 0 );
3950 }
3951
3952 return TRUE;
3953 }
3954
3955 gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
3956 {
3957 if (m_wx_model->IsVirtualListModel())
3958 {
3959 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3960
3961 if (iter == NULL)
3962 return (wx_model->GetCount() > 0);
3963
3964 // this is a list, nodes have no children
3965 return FALSE;
3966 }
3967 else
3968 {
3969 if (iter == NULL)
3970 return (m_root->GetChildCount() > 0);
3971
3972 wxDataViewItem item( (void*) iter->user_data );
3973
3974 bool is_container = m_wx_model->IsContainer( item );
3975
3976 if (!is_container)
3977 return FALSE;
3978
3979 wxGtkTreeModelNode *node = FindNode( iter );
3980 wxASSERT_MSG(node,
3981 "Did you forget a call to ItemAdded()? The iterator is unknown to the wxGtkTreeModel");
3982
3983 BuildBranch( node );
3984
3985 return (node->GetChildCount() > 0);
3986 }
3987 }
3988
3989 gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
3990 {
3991 if (m_wx_model->IsVirtualListModel())
3992 {
3993 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3994
3995 if (iter == NULL)
3996 return (gint) wx_model->GetCount();
3997
3998 return 0;
3999 }
4000 else
4001 {
4002 if (iter == NULL)
4003 return m_root->GetChildCount();
4004
4005 wxDataViewItem item( (void*) iter->user_data );
4006
4007 if (!m_wx_model->IsContainer( item ))
4008 return 0;
4009
4010 wxGtkTreeModelNode *parent_node = FindNode( iter );
4011 wxASSERT_MSG(parent_node,
4012 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
4013
4014 BuildBranch( parent_node );
4015
4016 return parent_node->GetChildCount();
4017 }
4018 }
4019
4020 gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
4021 {
4022 if (m_wx_model->IsVirtualListModel())
4023 {
4024 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
4025
4026 if (parent)
4027 return FALSE;
4028
4029 if (n < 0)
4030 return FALSE;
4031
4032 if (n >= (gint) wx_model->GetCount())
4033 return FALSE;
4034
4035 iter->stamp = m_gtk_model->stamp;
4036 // user_data is just the index +1
4037 iter->user_data = wxUIntToPtr(n+1);
4038
4039 return TRUE;
4040 }
4041 else
4042 {
4043 void* id = NULL;
4044 if (parent) id = (void*) parent->user_data;
4045 wxDataViewItem item( id );
4046
4047 if (!m_wx_model->IsContainer( item ))
4048 return FALSE;
4049
4050 wxGtkTreeModelNode *parent_node = FindNode( parent );
4051 wxASSERT_MSG(parent_node,
4052 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
4053
4054 BuildBranch( parent_node );
4055
4056 iter->stamp = m_gtk_model->stamp;
4057 iter->user_data = parent_node->GetChildren().Item( n );
4058
4059 return TRUE;
4060 }
4061 }
4062
4063 gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
4064 {
4065 if (m_wx_model->IsVirtualListModel())
4066 {
4067 return FALSE;
4068 }
4069 else
4070 {
4071 wxGtkTreeModelNode *node = FindParentNode( child );
4072 if (!node)
4073 return FALSE;
4074
4075 iter->stamp = m_gtk_model->stamp;
4076 iter->user_data = (gpointer) node->GetItem().GetID();
4077
4078 return TRUE;
4079 }
4080 }
4081
4082 // item can be deleted already in the model
4083 int wxDataViewCtrlInternal::GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item )
4084 {
4085 if (m_wx_model->IsVirtualListModel())
4086 {
4087 return wxPtrToUInt(item.GetID()) - 1;
4088 }
4089 else
4090 {
4091 wxGtkTreeModelNode *parent_node = FindNode( parent );
4092 wxGtkTreeModelChildren &children = parent_node->GetChildren();
4093 size_t j;
4094 for (j = 0; j < children.GetCount(); j++)
4095 {
4096 if (children[j] == item.GetID())
4097 return j;
4098 }
4099 }
4100 return -1;
4101 }
4102
4103
4104 static wxGtkTreeModelNode*
4105 wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4106 {
4107 if( model == NULL )
4108 return NULL;
4109
4110 ItemList list;
4111 list.DeleteContents( true );
4112 wxDataViewItem it( item );
4113
4114 while( it.IsOk() )
4115 {
4116 wxDataViewItem * pItem = new wxDataViewItem( it );
4117 list.Insert( pItem );
4118 it = model->GetParent( it );
4119 }
4120
4121 wxGtkTreeModelNode * node = treeNode;
4122 for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4123 {
4124 if( node && node->GetNodes().GetCount() != 0 )
4125 {
4126 int len = node->GetNodes().GetCount();
4127 wxGtkTreeModelNodes &nodes = node->GetNodes();
4128 int j = 0;
4129 for( ; j < len; j ++)
4130 {
4131 if( nodes[j]->GetItem() == *(n->GetData()))
4132 {
4133 node = nodes[j];
4134 break;
4135 }
4136 }
4137
4138 if( j == len )
4139 {
4140 return NULL;
4141 }
4142 }
4143 else
4144 return NULL;
4145 }
4146 return node;
4147
4148 }
4149
4150 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( GtkTreeIter *iter )
4151 {
4152 if (!iter)
4153 return m_root;
4154
4155 wxDataViewItem item( (void*) iter->user_data );
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", iter->user_data );
4165 char *crash = NULL;
4166 *crash = 0;
4167 }
4168 // TODO: remove this code
4169 */
4170
4171 return result;
4172 }
4173
4174 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( const wxDataViewItem &item )
4175 {
4176 if (!item.IsOk())
4177 return m_root;
4178
4179 wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
4180
4181 /*
4182 if (!result)
4183 {
4184 wxLogDebug( "Not found %p", item.GetID() );
4185 char *crash = NULL;
4186 *crash = 0;
4187 }
4188 // TODO: remove this code
4189 */
4190
4191 return result;
4192 }
4193
4194 static wxGtkTreeModelNode*
4195 wxDataViewCtrlInternal_FindParentNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4196 {
4197 if( model == NULL )
4198 return NULL;
4199
4200 ItemList list;
4201 list.DeleteContents( true );
4202 if( !item.IsOk() )
4203 return NULL;
4204
4205 wxDataViewItem it( model->GetParent( item ) );
4206 while( it.IsOk() )
4207 {
4208 wxDataViewItem * pItem = new wxDataViewItem( it );
4209 list.Insert( pItem );
4210 it = model->GetParent( it );
4211 }
4212
4213 wxGtkTreeModelNode * node = treeNode;
4214 for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4215 {
4216 if( node && node->GetNodes().GetCount() != 0 )
4217 {
4218 int len = node->GetNodes().GetCount();
4219 wxGtkTreeModelNodes nodes = node->GetNodes();
4220 int j = 0;
4221 for( ; j < len; j ++)
4222 {
4223 if( nodes[j]->GetItem() == *(n->GetData()))
4224 {
4225 node = nodes[j];
4226 break;
4227 }
4228 }
4229
4230 if( j == len )
4231 {
4232 return NULL;
4233 }
4234 }
4235 else
4236 return NULL;
4237 }
4238 //Examine whether the node is item's parent node
4239 int len = node->GetChildCount();
4240 for( int i = 0; i < len ; i ++ )
4241 {
4242 if( node->GetChildren().Item( i ) == item.GetID() )
4243 return node;
4244 }
4245 return NULL;
4246 }
4247
4248 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( GtkTreeIter *iter )
4249 {
4250 if (!iter)
4251 return NULL;
4252
4253 wxDataViewItem item( (void*) iter->user_data );
4254 if (!item.IsOk())
4255 return NULL;
4256
4257 return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4258 }
4259
4260 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem &item )
4261 {
4262 if (!item.IsOk())
4263 return NULL;
4264
4265 return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4266 }
4267
4268 //-----------------------------------------------------------------------------
4269 // wxDataViewCtrl signal callbacks
4270 //-----------------------------------------------------------------------------
4271
4272 static void
4273 wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )
4274 {
4275 if (!gtk_widget_get_realized(dv->m_widget))
4276 return;
4277
4278 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, dv->GetId() );
4279 event.SetItem( dv->GetSelection() );
4280 event.SetModel( dv->GetModel() );
4281 dv->HandleWindowEvent( event );
4282 }
4283
4284 static void
4285 wxdataview_row_activated_callback( GtkTreeView* WXUNUSED(treeview), GtkTreePath *path,
4286 GtkTreeViewColumn *WXUNUSED(column), wxDataViewCtrl *dv )
4287 {
4288 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, dv->GetId() );
4289
4290 wxDataViewItem item(dv->GTKPathToItem(path));
4291 event.SetItem( item );
4292 event.SetModel( dv->GetModel() );
4293 dv->HandleWindowEvent( event );
4294 }
4295
4296 static gboolean
4297 wxdataview_test_expand_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4298 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4299 {
4300 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, dv->GetId() );
4301
4302 wxDataViewItem item( (void*) iter->user_data );;
4303 event.SetItem( item );
4304 event.SetModel( dv->GetModel() );
4305 dv->HandleWindowEvent( event );
4306
4307 return !event.IsAllowed();
4308 }
4309
4310 static void
4311 wxdataview_row_expanded_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4312 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4313 {
4314 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, dv->GetId() );
4315
4316 wxDataViewItem item( (void*) iter->user_data );;
4317 event.SetItem( item );
4318 event.SetModel( dv->GetModel() );
4319 dv->HandleWindowEvent( event );
4320 }
4321
4322 static gboolean
4323 wxdataview_test_collapse_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4324 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4325 {
4326 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, dv->GetId() );
4327
4328 wxDataViewItem item( (void*) iter->user_data );;
4329 event.SetItem( item );
4330 event.SetModel( dv->GetModel() );
4331 dv->HandleWindowEvent( event );
4332
4333 return !event.IsAllowed();
4334 }
4335
4336 static void
4337 wxdataview_row_collapsed_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4338 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4339 {
4340 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, dv->GetId() );
4341
4342 wxDataViewItem item( (void*) iter->user_data );;
4343 event.SetItem( item );
4344 event.SetModel( dv->GetModel() );
4345 dv->HandleWindowEvent( event );
4346 }
4347
4348 //-----------------------------------------------------------------------------
4349 // wxDataViewCtrl
4350 //-----------------------------------------------------------------------------
4351
4352 void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)
4353 {
4354 GtkWidget* treeview = GtkGetTreeView();
4355
4356 // Insert widget in GtkTreeView
4357 if (gtk_widget_get_realized(treeview))
4358 gtk_widget_set_parent_window( child->m_widget,
4359 gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
4360 gtk_widget_set_parent( child->m_widget, treeview );
4361 }
4362
4363 static
4364 void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),
4365 GtkAllocation *WXUNUSED(gtk_alloc),
4366 wxDataViewCtrl *win )
4367 {
4368 wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
4369 while (node)
4370 {
4371 wxWindow *child = node->GetData();
4372
4373 GtkRequisition req;
4374 gtk_widget_size_request( child->m_widget, &req );
4375
4376 GtkAllocation alloc;
4377 alloc.x = child->m_x;
4378 alloc.y = child->m_y;
4379 alloc.width = child->m_width;
4380 alloc.height = child->m_height;
4381 gtk_widget_size_allocate( child->m_widget, &alloc );
4382
4383 node = node->GetNext();
4384 }
4385 }
4386
4387
4388 //-----------------------------------------------------------------------------
4389 // "motion_notify_event"
4390 //-----------------------------------------------------------------------------
4391
4392 static gboolean
4393 gtk_dataview_motion_notify_callback( GtkWidget *WXUNUSED(widget),
4394 GdkEventMotion *gdk_event,
4395 wxDataViewCtrl *dv )
4396 {
4397 if (gdk_event->is_hint)
4398 {
4399 int x = 0;
4400 int y = 0;
4401 GdkModifierType state;
4402 gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
4403 gdk_event->x = x;
4404 gdk_event->y = y;
4405 }
4406
4407 wxGtkTreePath path;
4408 GtkTreeViewColumn *column = NULL;
4409 gint cell_x = 0;
4410 gint cell_y = 0;
4411 if (gtk_tree_view_get_path_at_pos(
4412 GTK_TREE_VIEW(dv->GtkGetTreeView()),
4413 (int) gdk_event->x, (int) gdk_event->y,
4414 path.ByRef(),
4415 &column,
4416 &cell_x,
4417 &cell_y))
4418 {
4419 if (path)
4420 {
4421 GtkTreeIter iter;
4422 dv->GtkGetInternal()->get_iter( &iter, path );
4423 }
4424 }
4425
4426
4427 return FALSE;
4428 }
4429
4430 //-----------------------------------------------------------------------------
4431 // "button_press_event"
4432 //-----------------------------------------------------------------------------
4433
4434 static gboolean
4435 gtk_dataview_button_press_callback( GtkWidget *WXUNUSED(widget),
4436 GdkEventButton *gdk_event,
4437 wxDataViewCtrl *dv )
4438 {
4439 if ((gdk_event->button == 3) && (gdk_event->type == GDK_BUTTON_PRESS))
4440 {
4441 wxGtkTreePath path;
4442 GtkTreeViewColumn *column = NULL;
4443 gint cell_x = 0;
4444 gint cell_y = 0;
4445 gtk_tree_view_get_path_at_pos
4446 (
4447 GTK_TREE_VIEW(dv->GtkGetTreeView()),
4448 (int) gdk_event->x, (int) gdk_event->y,
4449 path.ByRef(),
4450 &column,
4451 &cell_x,
4452 &cell_y
4453 );
4454
4455 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, dv->GetId() );
4456 if (path)
4457 event.SetItem(dv->GTKPathToItem(path));
4458 event.SetModel( dv->GetModel() );
4459 return dv->HandleWindowEvent( event );
4460 }
4461
4462 return FALSE;
4463 }
4464
4465 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4466
4467 wxDataViewCtrl::~wxDataViewCtrl()
4468 {
4469 // Stop editing before destroying the control to remove any event handlers
4470 // which are added when editing started: if we didn't do this, the base
4471 // class dtor would assert as it checks for any leftover handlers.
4472 if ( m_treeview )
4473 {
4474 GtkTreeViewColumn *col;
4475 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
4476
4477 wxDataViewColumn * const wxcol = FromGTKColumn(col);
4478 if ( wxcol )
4479 {
4480 // This won't do anything if we're not editing it
4481 wxcol->GetRenderer()->CancelEditing();
4482 }
4483 }
4484
4485 m_cols.Clear();
4486
4487 delete m_internal;
4488 }
4489
4490 void wxDataViewCtrl::Init()
4491 {
4492 m_internal = NULL;
4493
4494 m_cols.DeleteContents( true );
4495
4496 m_uniformRowHeight = -1;
4497 }
4498
4499 bool wxDataViewCtrl::Create(wxWindow *parent,
4500 wxWindowID id,
4501 const wxPoint& pos,
4502 const wxSize& size,
4503 long style,
4504 const wxValidator& validator,
4505 const wxString& name)
4506 {
4507 if (!PreCreation( parent, pos, size ) ||
4508 !CreateBase( parent, id, pos, size, style, validator, name ))
4509 {
4510 wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
4511 return false;
4512 }
4513
4514 m_widget = gtk_scrolled_window_new (NULL, NULL);
4515 g_object_ref(m_widget);
4516
4517 GTKScrolledWindowSetBorder(m_widget, style);
4518
4519 m_treeview = gtk_tree_view_new();
4520 gtk_container_add (GTK_CONTAINER (m_widget), m_treeview);
4521
4522 m_focusWidget = GTK_WIDGET(m_treeview);
4523
4524 g_signal_connect (m_treeview, "size_allocate",
4525 G_CALLBACK (gtk_dataviewctrl_size_callback), this);
4526
4527 {
4528 bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
4529 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4530 }
4531
4532 if (style & wxDV_MULTIPLE)
4533 {
4534 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4535 gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
4536 }
4537
4538 gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(m_treeview), (style & wxDV_NO_HEADER) == 0 );
4539
4540 #ifdef __WXGTK210__
4541 #ifndef __WXGTK3__
4542 if (!gtk_check_version(2,10,0))
4543 #endif
4544 {
4545 GtkTreeViewGridLines grid = GTK_TREE_VIEW_GRID_LINES_NONE;
4546
4547 if ((style & wxDV_HORIZ_RULES) != 0 &&
4548 (style & wxDV_VERT_RULES) != 0)
4549 grid = GTK_TREE_VIEW_GRID_LINES_BOTH;
4550 else if (style & wxDV_VERT_RULES)
4551 grid = GTK_TREE_VIEW_GRID_LINES_VERTICAL;
4552 else if (style & wxDV_HORIZ_RULES)
4553 grid = GTK_TREE_VIEW_GRID_LINES_HORIZONTAL;
4554
4555 if (grid != GTK_TREE_VIEW_GRID_LINES_NONE)
4556 gtk_tree_view_set_grid_lines( GTK_TREE_VIEW(m_treeview), grid );
4557 }
4558 #endif
4559
4560 gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_ROW_LINES) != 0 );
4561
4562 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),
4563 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
4564 gtk_widget_show (m_treeview);
4565
4566 m_parent->DoAddChild( this );
4567
4568 PostCreation(size);
4569
4570 GtkEnableSelectionEvents();
4571
4572 g_signal_connect_after (m_treeview, "row-activated",
4573 G_CALLBACK (wxdataview_row_activated_callback), this);
4574
4575 g_signal_connect (m_treeview, "test-collapse-row",
4576 G_CALLBACK (wxdataview_test_collapse_row_callback), this);
4577
4578 g_signal_connect_after (m_treeview, "row-collapsed",
4579 G_CALLBACK (wxdataview_row_collapsed_callback), this);
4580
4581 g_signal_connect (m_treeview, "test-expand-row",
4582 G_CALLBACK (wxdataview_test_expand_row_callback), this);
4583
4584 g_signal_connect_after (m_treeview, "row-expanded",
4585 G_CALLBACK (wxdataview_row_expanded_callback), this);
4586
4587 g_signal_connect (m_treeview, "motion_notify_event",
4588 G_CALLBACK (gtk_dataview_motion_notify_callback), this);
4589
4590 g_signal_connect (m_treeview, "button_press_event",
4591 G_CALLBACK (gtk_dataview_button_press_callback), this);
4592
4593 return true;
4594 }
4595
4596 wxDataViewItem wxDataViewCtrl::GTKPathToItem(GtkTreePath *path) const
4597 {
4598 GtkTreeIter iter;
4599 return wxDataViewItem(path && m_internal->get_iter(&iter, path)
4600 ? iter.user_data
4601 : NULL);
4602 }
4603
4604 void wxDataViewCtrl::OnInternalIdle()
4605 {
4606 wxWindow::OnInternalIdle();
4607
4608 m_internal->OnInternalIdle();
4609
4610 unsigned int cols = GetColumnCount();
4611 unsigned int i;
4612 for (i = 0; i < cols; i++)
4613 {
4614 wxDataViewColumn *col = GetColumn( i );
4615 col->OnInternalIdle();
4616 }
4617
4618 if (m_ensureVisibleDefered.IsOk())
4619 {
4620 ExpandAncestors(m_ensureVisibleDefered);
4621 GtkTreeIter iter;
4622 iter.user_data = (gpointer) m_ensureVisibleDefered.GetID();
4623 wxGtkTreePath path(m_internal->get_path( &iter ));
4624 gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
4625 m_ensureVisibleDefered = wxDataViewItem(0);
4626 }
4627 }
4628
4629 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4630 {
4631 wxDELETE(m_internal);
4632
4633 if (!wxDataViewCtrlBase::AssociateModel( model ))
4634 return false;
4635
4636 {
4637 bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
4638 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4639 }
4640
4641 m_internal = new wxDataViewCtrlInternal( this, model );
4642
4643 return true;
4644 }
4645
4646 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4647 {
4648 return m_internal->EnableDragSource( format );
4649 }
4650
4651 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4652 {
4653 return m_internal->EnableDropTarget( format );
4654 }
4655
4656 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4657 {
4658 if (!wxDataViewCtrlBase::AppendColumn(col))
4659 return false;
4660
4661 m_cols.Append( col );
4662
4663 {
4664 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4665 GTK_TREE_VIEW_COLUMN_FIXED)
4666 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4667 }
4668
4669 gtk_tree_view_append_column( GTK_TREE_VIEW(m_treeview),
4670 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4671
4672 return true;
4673 }
4674
4675 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4676 {
4677 if (!wxDataViewCtrlBase::PrependColumn(col))
4678 return false;
4679
4680 m_cols.Insert( col );
4681
4682 {
4683 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4684 GTK_TREE_VIEW_COLUMN_FIXED)
4685 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4686 }
4687
4688 gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4689 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), 0 );
4690
4691 return true;
4692 }
4693
4694 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4695 {
4696 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4697 return false;
4698
4699 m_cols.Insert( pos, col );
4700
4701 {
4702 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4703 GTK_TREE_VIEW_COLUMN_FIXED)
4704 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4705 }
4706
4707 gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4708 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), pos );
4709
4710 return true;
4711 }
4712
4713 unsigned int wxDataViewCtrl::GetColumnCount() const
4714 {
4715 return m_cols.GetCount();
4716 }
4717
4718 wxDataViewColumn* wxDataViewCtrl::FromGTKColumn(GtkTreeViewColumn *gtk_col) const
4719 {
4720 if ( !gtk_col )
4721 return NULL;
4722
4723 wxDataViewColumnList::const_iterator iter;
4724 for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4725 {
4726 wxDataViewColumn *col = *iter;
4727 if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)
4728 {
4729 return col;
4730 }
4731 }
4732
4733 wxFAIL_MSG( "No matching column?" );
4734
4735 return NULL;
4736 }
4737
4738 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
4739 {
4740 GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
4741
4742 return FromGTKColumn(gtk_col);
4743 }
4744
4745 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4746 {
4747 gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4748 GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
4749
4750 m_cols.DeleteObject( column );
4751
4752 return true;
4753 }
4754
4755 bool wxDataViewCtrl::ClearColumns()
4756 {
4757 wxDataViewColumnList::iterator iter;
4758 for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4759 {
4760 wxDataViewColumn *col = *iter;
4761 gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4762 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4763 }
4764
4765 m_cols.Clear();
4766
4767 return true;
4768 }
4769
4770 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4771 {
4772 GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
4773
4774 wxGtkList list(gtk_tree_view_get_columns(GTK_TREE_VIEW(m_treeview)));
4775
4776 return g_list_index( list, (gconstpointer) gtk_column );
4777 }
4778
4779 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4780 {
4781 return m_internal->GetDataViewSortColumn();
4782 }
4783
4784 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4785 {
4786 GtkTreeIter iter;
4787 iter.user_data = item.GetID();
4788 wxGtkTreePath path(m_internal->get_path( &iter ));
4789 gtk_tree_view_expand_row( GTK_TREE_VIEW(m_treeview), path, false );
4790 }
4791
4792 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4793 {
4794 GtkTreeIter iter;
4795 iter.user_data = item.GetID();
4796 wxGtkTreePath path(m_internal->get_path( &iter ));
4797 gtk_tree_view_collapse_row( GTK_TREE_VIEW(m_treeview), path );
4798 }
4799
4800 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4801 {
4802 GtkTreeIter iter;
4803 iter.user_data = item.GetID();
4804 wxGtkTreePath path(m_internal->get_path( &iter ));
4805 return gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path ) != 0;
4806 }
4807
4808 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4809 {
4810 // The tree doesn't have any current item if it hadn't been created yet but
4811 // it's arguably not an error to call this function in this case so just
4812 // return an invalid item without asserting.
4813 if ( !m_treeview )
4814 return wxDataViewItem();
4815
4816 wxGtkTreePath path;
4817 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), path.ByRef(), NULL);
4818
4819 return GTKPathToItem(path);
4820 }
4821
4822 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4823 {
4824 wxCHECK_RET( m_treeview,
4825 "Current item can't be set before creating the control." );
4826
4827 // We need to make sure the model knows about this item or the path would
4828 // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4829 ExpandAncestors(item);
4830
4831 // We also need to preserve the existing selection from changing.
4832 // Unfortunately the only way to do it seems to use our own selection
4833 // function and forbid any selection changes during set cursor call.
4834 wxGtkTreeSelectionLock
4835 lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4836
4837 // Do move the cursor now.
4838 GtkTreeIter iter;
4839 iter.user_data = item.GetID();
4840 wxGtkTreePath path(m_internal->get_path( &iter ));
4841
4842 gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
4843 }
4844
4845 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
4846 {
4847 // The tree doesn't have any current item if it hadn't been created yet but
4848 // it's arguably not an error to call this function in this case so just
4849 // return NULL without asserting.
4850 if ( !m_treeview )
4851 return NULL;
4852
4853 GtkTreeViewColumn *col;
4854 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
4855 return FromGTKColumn(col);
4856 }
4857
4858 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
4859 {
4860 wxCHECK_RET( m_treeview,
4861 "Current item can't be set before creating the control." );
4862 wxCHECK_RET( item.IsOk(), "invalid item" );
4863 wxCHECK_RET( column, "no column provided" );
4864
4865 // We need to make sure the model knows about this item or the path would
4866 // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4867 ExpandAncestors(item);
4868
4869 GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
4870
4871 // We also need to preserve the existing selection from changing.
4872 // Unfortunately the only way to do it seems to use our own selection
4873 // function and forbid any selection changes during set cursor call.
4874 wxGtkTreeSelectionLock
4875 lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4876
4877 // Do move the cursor now.
4878 GtkTreeIter iter;
4879 iter.user_data = item.GetID();
4880 wxGtkTreePath path(m_internal->get_path( &iter ));
4881
4882 gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, gcolumn, TRUE);
4883 }
4884
4885 int wxDataViewCtrl::GetSelectedItemsCount() const
4886 {
4887 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4888
4889 return gtk_tree_selection_count_selected_rows(selection);
4890 }
4891
4892 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4893 {
4894 sel.Clear();
4895
4896 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4897 if (HasFlag(wxDV_MULTIPLE))
4898 {
4899 GtkTreeModel *model;
4900 wxGtkTreePathList list(gtk_tree_selection_get_selected_rows(selection, &model));
4901
4902 for ( GList* current = list; current; current = g_list_next(current) )
4903 {
4904 GtkTreePath *path = (GtkTreePath*) current->data;
4905
4906 sel.Add(GTKPathToItem(path));
4907 }
4908 }
4909 else
4910 {
4911 GtkTreeIter iter;
4912 if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
4913 {
4914 sel.Add( wxDataViewItem(iter.user_data) );
4915 }
4916 }
4917
4918 return sel.size();
4919 }
4920
4921 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4922 {
4923 GtkDisableSelectionEvents();
4924
4925 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4926
4927 gtk_tree_selection_unselect_all( selection );
4928
4929 wxDataViewItem last_parent;
4930
4931 size_t i;
4932 for (i = 0; i < sel.GetCount(); i++)
4933 {
4934 wxDataViewItem item = sel[i];
4935 wxDataViewItem parent = GetModel()->GetParent( item );
4936 if (parent)
4937 {
4938 if (parent != last_parent)
4939 ExpandAncestors(item);
4940 }
4941 last_parent = parent;
4942
4943 GtkTreeIter iter;
4944 iter.stamp = m_internal->GetGtkModel()->stamp;
4945 iter.user_data = (gpointer) item.GetID();
4946 gtk_tree_selection_select_iter( selection, &iter );
4947 }
4948
4949 GtkEnableSelectionEvents();
4950 }
4951
4952 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4953 {
4954 ExpandAncestors(item);
4955
4956 GtkDisableSelectionEvents();
4957
4958 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4959
4960 GtkTreeIter iter;
4961 iter.stamp = m_internal->GetGtkModel()->stamp;
4962 iter.user_data = (gpointer) item.GetID();
4963 gtk_tree_selection_select_iter( selection, &iter );
4964
4965 GtkEnableSelectionEvents();
4966 }
4967
4968 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4969 {
4970 GtkDisableSelectionEvents();
4971
4972 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4973
4974 GtkTreeIter iter;
4975 iter.stamp = m_internal->GetGtkModel()->stamp;
4976 iter.user_data = (gpointer) item.GetID();
4977 gtk_tree_selection_unselect_iter( selection, &iter );
4978
4979 GtkEnableSelectionEvents();
4980 }
4981
4982 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4983 {
4984 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4985
4986 GtkTreeIter iter;
4987 iter.stamp = m_internal->GetGtkModel()->stamp;
4988 iter.user_data = (gpointer) item.GetID();
4989
4990 return gtk_tree_selection_iter_is_selected( selection, &iter ) != 0;
4991 }
4992
4993 void wxDataViewCtrl::SelectAll()
4994 {
4995 GtkDisableSelectionEvents();
4996
4997 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4998
4999 gtk_tree_selection_select_all( selection );
5000
5001 GtkEnableSelectionEvents();
5002 }
5003
5004 void wxDataViewCtrl::UnselectAll()
5005 {
5006 GtkDisableSelectionEvents();
5007
5008 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5009
5010 gtk_tree_selection_unselect_all( selection );
5011
5012 GtkEnableSelectionEvents();
5013 }
5014
5015 void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
5016 const wxDataViewColumn *WXUNUSED(column))
5017 {
5018 m_ensureVisibleDefered = item;
5019 ExpandAncestors(item);
5020
5021 GtkTreeIter iter;
5022 iter.user_data = (gpointer) item.GetID();
5023 wxGtkTreePath path(m_internal->get_path( &iter ));
5024 gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
5025 }
5026
5027 void wxDataViewCtrl::HitTest(const wxPoint& point,
5028 wxDataViewItem& item,
5029 wxDataViewColumn *& column) const
5030 {
5031 // gtk_tree_view_get_dest_row_at_pos() is the right one. But it does not tell the column.
5032 // gtk_tree_view_get_path_at_pos() is the wrong function. It doesn't mind the header but returns column.
5033 // See http://mail.gnome.org/archives/gtkmm-list/2005-January/msg00080.html
5034 // So we have to use both of them.
5035 item = wxDataViewItem(0);
5036 column = NULL;
5037 wxGtkTreePath path, pathScratch;
5038 GtkTreeViewColumn* GtkColumn = NULL;
5039 GtkTreeViewDropPosition pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
5040 gint cell_x = 0;
5041 gint cell_y = 0;
5042
5043 // cannot directly call GtkGetTreeView(), HitTest is const and so is this pointer
5044 wxDataViewCtrl* self = const_cast<wxDataViewCtrl *>(this); // ugly workaround, self is NOT const
5045 GtkTreeView* treeView = GTK_TREE_VIEW(self->GtkGetTreeView());
5046
5047 // is there possibly a better suited function to get the column?
5048 gtk_tree_view_get_path_at_pos( // and this is the wrong call but it delivers the column
5049 treeView,
5050 (int) point.x, (int) point.y,
5051 pathScratch.ByRef(),
5052 &GtkColumn, // here we get the GtkColumn
5053 &cell_x,
5054 &cell_y );
5055
5056 if ( GtkColumn != NULL )
5057 {
5058 // we got GTK column
5059 // the right call now which takes the header into account
5060 gtk_tree_view_get_dest_row_at_pos( treeView, (int) point.x, (int) point.y, path.ByRef(), &pos);
5061
5062 if (path)
5063 item = wxDataViewItem(GTKPathToItem(path));
5064 // else we got a GTK column but the position is not over an item, e.g. below last item
5065 for ( unsigned int i=0, cols=GetColumnCount(); i<cols; ++i ) // search the wx column
5066 {
5067 wxDataViewColumn* col = GetColumn(i);
5068 if ( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == GtkColumn )
5069 {
5070 column = col; // here we get the wx column
5071 break;
5072 }
5073 }
5074 }
5075 // else no column and thus no item, both null
5076 }
5077
5078 wxRect
5079 wxDataViewCtrl::GetItemRect(const wxDataViewItem& WXUNUSED(item),
5080 const wxDataViewColumn *WXUNUSED(column)) const
5081 {
5082 return wxRect();
5083 }
5084
5085 bool wxDataViewCtrl::SetRowHeight(int rowHeight)
5086 {
5087 m_uniformRowHeight = rowHeight;
5088 return true;
5089 }
5090
5091 void wxDataViewCtrl::DoSetExpanderColumn()
5092 {
5093 gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),
5094 GTK_TREE_VIEW_COLUMN( GetExpanderColumn()->GetGtkHandle() ) );
5095 }
5096
5097 void wxDataViewCtrl::DoSetIndent()
5098 {
5099 }
5100
5101 void wxDataViewCtrl::GtkDisableSelectionEvents()
5102 {
5103 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5104 g_signal_handlers_disconnect_by_func( selection,
5105 (gpointer) (wxdataview_selection_changed_callback), this);
5106 }
5107
5108 void wxDataViewCtrl::GtkEnableSelectionEvents()
5109 {
5110 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5111 g_signal_connect_after (selection, "changed",
5112 G_CALLBACK (wxdataview_selection_changed_callback), this);
5113 }
5114
5115 // ----------------------------------------------------------------------------
5116 // visual attributes stuff
5117 // ----------------------------------------------------------------------------
5118
5119 // static
5120 wxVisualAttributes
5121 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
5122 {
5123 return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new);
5124 }
5125
5126 void wxDataViewCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
5127 {
5128 wxDataViewCtrlBase::DoApplyWidgetStyle(style);
5129 GTKApplyStyle(m_treeview, style);
5130 }
5131
5132 #endif // !wxUSE_GENERICDATAVIEWCTRL
5133
5134 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)