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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_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_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 #ifdef __WXGTK3__
1709 GtkAdjustment* hadjust = gtk_scrollable_get_hadjustment(GTK_SCROLLABLE(widget));
1710 #else
1711 GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
1712 #endif
1713 double d = gtk_adjustment_get_value( hadjust );
1714 int xdiff = (int) d;
1715
1716 GtkAllocation a;
1717 gtk_widget_get_allocation(GTK_WIDGET(gtk_tree_view_column_get_button(gcolumn)), &a);
1718 int ydiff = a.height;
1719 // Redraw
1720 gtk_widget_queue_draw_area( GTK_WIDGET(widget),
1721 cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
1722 }
1723
1724 m_internal->ValueChanged( item, model_column );
1725
1726 return true;
1727 }
1728 }
1729
1730 return false;
1731 }
1732
1733 bool wxGtkDataViewModelNotifier::BeforeReset()
1734 {
1735 GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1736 gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), NULL );
1737
1738 return true;
1739 }
1740
1741 bool wxGtkDataViewModelNotifier::AfterReset()
1742 {
1743 GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
1744 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1745
1746 m_internal->Cleared();
1747
1748 gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), GTK_TREE_MODEL(wxgtk_model) );
1749
1750 return true;
1751 }
1752
1753 bool wxGtkDataViewModelNotifier::Cleared()
1754 {
1755 GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
1756
1757 // There is no call to tell the model that everything
1758 // has been deleted so call row_deleted() for every
1759 // child of root...
1760
1761 int count = m_internal->iter_n_children( NULL ); // number of children of root
1762
1763 GtkTreePath *path = gtk_tree_path_new_first(); // points to root
1764
1765 int i;
1766 for (i = 0; i < count; i++)
1767 gtk_tree_model_row_deleted( GTK_TREE_MODEL(wxgtk_model), path );
1768
1769 gtk_tree_path_free( path );
1770
1771 m_internal->Cleared();
1772
1773 return true;
1774 }
1775
1776 // ---------------------------------------------------------
1777 // wxDataViewRenderer
1778 // ---------------------------------------------------------
1779
1780 static gpointer s_user_data = NULL;
1781
1782 static void
1783 wxgtk_cell_editable_editing_done( GtkCellEditable *WXUNUSED(editable),
1784 wxDataViewRenderer *wxrenderer )
1785 {
1786 wxDataViewColumn *column = wxrenderer->GetOwner();
1787 wxDataViewCtrl *dv = column->GetOwner();
1788 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_EDITING_DONE, dv->GetId() );
1789 event.SetDataViewColumn( column );
1790 event.SetModel( dv->GetModel() );
1791 wxDataViewItem item( s_user_data );
1792 event.SetItem( item );
1793 dv->HandleWindowEvent( event );
1794 }
1795
1796 static void
1797 wxgtk_renderer_editing_started( GtkCellRenderer *WXUNUSED(cell), GtkCellEditable *editable,
1798 gchar *path, wxDataViewRenderer *wxrenderer )
1799 {
1800 if (!editable)
1801 return;
1802
1803 wxDataViewColumn *column = wxrenderer->GetOwner();
1804 wxDataViewCtrl *dv = column->GetOwner();
1805 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_EDITING_STARTED, dv->GetId() );
1806 event.SetDataViewColumn( column );
1807 event.SetModel( dv->GetModel() );
1808 wxDataViewItem item(dv->GTKPathToItem(wxGtkTreePath(path)));
1809 event.SetItem( item );
1810 dv->HandleWindowEvent( event );
1811
1812 if (GTK_IS_CELL_EDITABLE(editable))
1813 {
1814 s_user_data = item.GetID();
1815
1816 g_signal_connect (editable, "editing_done",
1817 G_CALLBACK (wxgtk_cell_editable_editing_done),
1818 (gpointer) wxrenderer );
1819
1820 }
1821 }
1822
1823
1824 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
1825
1826 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype, wxDataViewCellMode mode,
1827 int align ) :
1828 wxDataViewRendererBase( varianttype, mode, align )
1829 {
1830 m_renderer = NULL;
1831 m_mode = mode;
1832
1833 // we haven't changed them yet
1834 m_usingDefaultAttrs = true;
1835
1836 // NOTE: SetMode() and SetAlignment() needs to be called in the renderer's ctor,
1837 // after the m_renderer pointer has been initialized
1838 }
1839
1840 void wxDataViewRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
1841 {
1842 gtk_tree_view_column_pack_end( column, m_renderer, TRUE /* expand */);
1843 }
1844
1845 void wxDataViewRenderer::GtkInitHandlers()
1846 {
1847 {
1848 g_signal_connect (m_renderer, "editing_started",
1849 G_CALLBACK (wxgtk_renderer_editing_started),
1850 this);
1851 }
1852 }
1853
1854 void wxDataViewRenderer::SetMode( wxDataViewCellMode mode )
1855 {
1856 GtkCellRendererMode gtkMode;
1857 switch (mode)
1858 {
1859 case wxDATAVIEW_CELL_INERT:
1860 gtkMode = GTK_CELL_RENDERER_MODE_INERT;
1861 break;
1862
1863 case wxDATAVIEW_CELL_ACTIVATABLE:
1864 gtkMode = GTK_CELL_RENDERER_MODE_ACTIVATABLE;
1865 break;
1866
1867 case wxDATAVIEW_CELL_EDITABLE:
1868 gtkMode = GTK_CELL_RENDERER_MODE_EDITABLE;
1869 break;
1870
1871 default:
1872 wxFAIL_MSG( "unknown wxDataViewCellMode value" );
1873 return;
1874 }
1875
1876 m_mode = mode;
1877
1878 // This value is most often ignored in GtkTreeView
1879 GValue gvalue = { 0, };
1880 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
1881 g_value_set_enum( &gvalue, gtkMode );
1882 g_object_set_property( G_OBJECT(m_renderer), "mode", &gvalue );
1883 g_value_unset( &gvalue );
1884 }
1885
1886 wxDataViewCellMode wxDataViewRenderer::GetMode() const
1887 {
1888 wxDataViewCellMode ret;
1889
1890 GValue gvalue;
1891 g_object_get( G_OBJECT(m_renderer), "mode", &gvalue, NULL);
1892
1893 switch (g_value_get_enum(&gvalue))
1894 {
1895 default:
1896 wxFAIL_MSG( "unknown GtkCellRendererMode value" );
1897 // fall through (we have to return something)
1898
1899 case GTK_CELL_RENDERER_MODE_INERT:
1900 ret = wxDATAVIEW_CELL_INERT;
1901 break;
1902
1903 case GTK_CELL_RENDERER_MODE_ACTIVATABLE:
1904 ret = wxDATAVIEW_CELL_ACTIVATABLE;
1905 break;
1906
1907 case GTK_CELL_RENDERER_MODE_EDITABLE:
1908 ret = wxDATAVIEW_CELL_EDITABLE;
1909 break;
1910 }
1911
1912 g_value_unset( &gvalue );
1913
1914 return ret;
1915 }
1916
1917 void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)
1918 {
1919 int align = m_alignment;
1920
1921 // query alignment from column ?
1922 if (align == -1)
1923 {
1924 // None there yet
1925 if (GetOwner() == NULL)
1926 return;
1927
1928 align = GetOwner()->GetAlignment();
1929 align |= wxALIGN_CENTRE_VERTICAL;
1930 }
1931
1932 // horizontal alignment:
1933
1934 gfloat xalign = 0.0;
1935 if (align & wxALIGN_RIGHT)
1936 xalign = 1.0;
1937 else if (align & wxALIGN_CENTER_HORIZONTAL)
1938 xalign = 0.5;
1939
1940 GValue gvalue = { 0, };
1941 g_value_init( &gvalue, G_TYPE_FLOAT );
1942 g_value_set_float( &gvalue, xalign );
1943 g_object_set_property( G_OBJECT(renderer), "xalign", &gvalue );
1944 g_value_unset( &gvalue );
1945
1946 // vertical alignment:
1947
1948 gfloat yalign = 0.0;
1949 if (align & wxALIGN_BOTTOM)
1950 yalign = 1.0;
1951 else if (align & wxALIGN_CENTER_VERTICAL)
1952 yalign = 0.5;
1953
1954 GValue gvalue2 = { 0, };
1955 g_value_init( &gvalue2, G_TYPE_FLOAT );
1956 g_value_set_float( &gvalue2, yalign );
1957 g_object_set_property( G_OBJECT(renderer), "yalign", &gvalue2 );
1958 g_value_unset( &gvalue2 );
1959 }
1960
1961 void wxDataViewRenderer::SetAlignment( int align )
1962 {
1963 m_alignment = align;
1964 GtkUpdateAlignment();
1965 }
1966
1967 int wxDataViewRenderer::GetAlignment() const
1968 {
1969 return m_alignment;
1970 }
1971
1972 void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
1973 {
1974 GtkCellRendererText * const rend = GtkGetTextRenderer();
1975 if ( !rend )
1976 return;
1977
1978 // we use the same values in wxEllipsizeMode as PangoEllipsizeMode so we
1979 // can just cast between them
1980 GValue gvalue = { 0, };
1981 g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1982 g_value_set_enum( &gvalue, static_cast<PangoEllipsizeMode>(mode) );
1983 g_object_set_property( G_OBJECT(rend), "ellipsize", &gvalue );
1984 g_value_unset( &gvalue );
1985 }
1986
1987 wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
1988 {
1989 GtkCellRendererText * const rend = GtkGetTextRenderer();
1990 if ( !rend )
1991 return wxELLIPSIZE_NONE;
1992
1993 GValue gvalue = { 0, };
1994 g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
1995 g_object_get_property( G_OBJECT(rend), "ellipsize", &gvalue );
1996 wxEllipsizeMode
1997 mode = static_cast<wxEllipsizeMode>(g_value_get_enum( &gvalue ));
1998 g_value_unset( &gvalue );
1999
2000 return mode;
2001 }
2002
2003 void
2004 wxDataViewRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
2005 {
2006 wxVariant value(str);
2007 if (!Validate( value ))
2008 return;
2009
2010 wxDataViewItem
2011 item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
2012
2013 GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
2014 }
2015
2016 void
2017 wxDataViewRenderer::GtkOnCellChanged(const wxVariant& value,
2018 const wxDataViewItem& item,
2019 unsigned col)
2020 {
2021 wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
2022 model->ChangeValue( value, item, col );
2023 }
2024
2025 // ---------------------------------------------------------
2026 // wxDataViewTextRenderer
2027 // ---------------------------------------------------------
2028
2029 extern "C"
2030 {
2031
2032 static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
2033 gchar *arg1, gchar *arg2, gpointer user_data )
2034 {
2035 wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;
2036
2037 cell->GtkOnTextEdited(arg1, wxGTK_CONV_BACK_FONT(
2038 arg2, cell->GetOwner()->GetOwner()->GetFont()));
2039 }
2040
2041 }
2042
2043 namespace
2044 {
2045
2046 // helper function used by wxDataViewTextRenderer and
2047 // wxDataViewCustomRenderer::RenderText(): it applies the attributes to the
2048 // given text renderer and returns true if anything was done
2049 bool GtkApplyAttr(GtkCellRendererText *renderer, const wxDataViewItemAttr& attr)
2050 {
2051 bool usingDefaultAttrs = true;
2052 if (attr.HasColour())
2053 {
2054 const GdkColor * const gcol = attr.GetColour().GetColor();
2055
2056 GValue gvalue = { 0, };
2057 g_value_init( &gvalue, GDK_TYPE_COLOR );
2058 g_value_set_boxed( &gvalue, gcol );
2059 g_object_set_property( G_OBJECT(renderer), "foreground_gdk", &gvalue );
2060 g_value_unset( &gvalue );
2061
2062 usingDefaultAttrs = false;
2063 }
2064 else
2065 {
2066 GValue gvalue = { 0, };
2067 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2068 g_value_set_boolean( &gvalue, FALSE );
2069 g_object_set_property( G_OBJECT(renderer), "foreground-set", &gvalue );
2070 g_value_unset( &gvalue );
2071 }
2072
2073 if (attr.GetItalic())
2074 {
2075 GValue gvalue = { 0, };
2076 g_value_init( &gvalue, PANGO_TYPE_STYLE );
2077 g_value_set_enum( &gvalue, PANGO_STYLE_ITALIC );
2078 g_object_set_property( G_OBJECT(renderer), "style", &gvalue );
2079 g_value_unset( &gvalue );
2080
2081 usingDefaultAttrs = false;
2082 }
2083 else
2084 {
2085 GValue gvalue = { 0, };
2086 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2087 g_value_set_boolean( &gvalue, FALSE );
2088 g_object_set_property( G_OBJECT(renderer), "style-set", &gvalue );
2089 g_value_unset( &gvalue );
2090 }
2091
2092
2093 if (attr.GetBold())
2094 {
2095 GValue gvalue = { 0, };
2096 g_value_init( &gvalue, PANGO_TYPE_WEIGHT );
2097 g_value_set_enum( &gvalue, PANGO_WEIGHT_BOLD );
2098 g_object_set_property( G_OBJECT(renderer), "weight", &gvalue );
2099 g_value_unset( &gvalue );
2100
2101 usingDefaultAttrs = false;
2102 }
2103 else
2104 {
2105 GValue gvalue = { 0, };
2106 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2107 g_value_set_boolean( &gvalue, FALSE );
2108 g_object_set_property( G_OBJECT(renderer), "weight-set", &gvalue );
2109 g_value_unset( &gvalue );
2110 }
2111
2112 #if 0
2113 if (attr.HasBackgroundColour())
2114 {
2115 wxColour colour = attr.GetBackgroundColour();
2116 const GdkColor * const gcol = colour.GetColor();
2117
2118 GValue gvalue = { 0, };
2119 g_value_init( &gvalue, GDK_TYPE_COLOR );
2120 g_value_set_boxed( &gvalue, gcol );
2121 g_object_set_property( G_OBJECT(renderer), "cell-background_gdk", &gvalue );
2122 g_value_unset( &gvalue );
2123 }
2124 else
2125 {
2126 GValue gvalue = { 0, };
2127 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2128 g_value_set_boolean( &gvalue, FALSE );
2129 g_object_set_property( G_OBJECT(renderer), "cell-background-set", &gvalue );
2130 g_value_unset( &gvalue );
2131 }
2132 #endif
2133
2134 return !usingDefaultAttrs;
2135 }
2136
2137 } // anonymous namespace
2138
2139 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
2140
2141 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2142 int align ) :
2143 wxDataViewRenderer( varianttype, mode, align )
2144 {
2145 GtkWxCellRendererText *text_renderer = gtk_wx_cell_renderer_text_new();
2146 text_renderer->wx_renderer = this;
2147 m_renderer = (GtkCellRenderer*) text_renderer;
2148
2149 if (mode & wxDATAVIEW_CELL_EDITABLE)
2150 {
2151 GValue gvalue = { 0, };
2152 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2153 g_value_set_boolean( &gvalue, true );
2154 g_object_set_property( G_OBJECT(m_renderer), "editable", &gvalue );
2155 g_value_unset( &gvalue );
2156
2157 g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2158
2159 GtkInitHandlers();
2160 }
2161
2162 SetMode(mode);
2163 SetAlignment(align);
2164 }
2165
2166 bool wxDataViewTextRenderer::SetTextValue(const wxString& str)
2167 {
2168 GValue gvalue = { 0, };
2169 g_value_init( &gvalue, G_TYPE_STRING );
2170 g_value_set_string( &gvalue, wxGTK_CONV_FONT( str, GetOwner()->GetOwner()->GetFont() ) );
2171 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2172 g_value_unset( &gvalue );
2173
2174 return true;
2175 }
2176
2177 bool wxDataViewTextRenderer::GetTextValue(wxString& str) const
2178 {
2179 GValue gvalue = { 0, };
2180 g_value_init( &gvalue, G_TYPE_STRING );
2181 g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2182 str = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), const_cast<wxDataViewTextRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );
2183 g_value_unset( &gvalue );
2184
2185 return true;
2186 }
2187
2188 void wxDataViewTextRenderer::SetAlignment( int align )
2189 {
2190 wxDataViewRenderer::SetAlignment(align);
2191
2192 #ifndef __WXGTK3__
2193 if (gtk_check_version(2,10,0))
2194 return;
2195 #endif
2196
2197 // horizontal alignment:
2198 PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2199 if (align & wxALIGN_RIGHT)
2200 pangoAlign = PANGO_ALIGN_RIGHT;
2201 else if (align & wxALIGN_CENTER_HORIZONTAL)
2202 pangoAlign = PANGO_ALIGN_CENTER;
2203
2204 GValue gvalue = { 0, };
2205 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2206 g_value_set_enum( &gvalue, pangoAlign );
2207 g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2208 g_value_unset( &gvalue );
2209 }
2210
2211 bool wxDataViewTextRenderer::GtkSetAttr(const wxDataViewItemAttr& attr)
2212 {
2213 return GtkApplyAttr(GtkGetTextRenderer(), attr);
2214 }
2215
2216 GtkCellRendererText *wxDataViewTextRenderer::GtkGetTextRenderer() const
2217 {
2218 return GTK_CELL_RENDERER_TEXT(m_renderer);
2219 }
2220
2221 // ---------------------------------------------------------
2222 // wxDataViewBitmapRenderer
2223 // ---------------------------------------------------------
2224
2225 namespace
2226 {
2227
2228 // set "pixbuf" property on the given renderer
2229 void SetPixbufProp(GtkCellRenderer *renderer, GdkPixbuf *pixbuf)
2230 {
2231 GValue gvalue = { 0, };
2232 g_value_init( &gvalue, G_TYPE_OBJECT );
2233 g_value_set_object( &gvalue, pixbuf );
2234 g_object_set_property( G_OBJECT(renderer), "pixbuf", &gvalue );
2235 g_value_unset( &gvalue );
2236 }
2237
2238 } // anonymous namespace
2239
2240 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
2241
2242 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype, wxDataViewCellMode mode,
2243 int align ) :
2244 wxDataViewRenderer( varianttype, mode, align )
2245 {
2246 m_renderer = gtk_cell_renderer_pixbuf_new();
2247
2248 SetMode(mode);
2249 SetAlignment(align);
2250 }
2251
2252 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
2253 {
2254 if (value.GetType() == wxT("wxBitmap"))
2255 {
2256 wxBitmap bitmap;
2257 bitmap << value;
2258
2259 // GetPixbuf() may create a Pixbuf representation in the wxBitmap
2260 // object (and it will stay there and remain owned by wxBitmap)
2261 SetPixbufProp(m_renderer, bitmap.GetPixbuf());
2262 }
2263 else if (value.GetType() == wxT("wxIcon"))
2264 {
2265 wxIcon icon;
2266 icon << value;
2267
2268 SetPixbufProp(m_renderer, icon.GetPixbuf());
2269 }
2270 else
2271 {
2272 return false;
2273 }
2274
2275 return true;
2276 }
2277
2278 bool wxDataViewBitmapRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2279 {
2280 return false;
2281 }
2282
2283 // ---------------------------------------------------------
2284 // wxDataViewToggleRenderer
2285 // ---------------------------------------------------------
2286
2287 extern "C" {
2288 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2289 gchar *path, gpointer user_data );
2290 }
2291
2292 static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
2293 gchar *path, gpointer user_data )
2294 {
2295 wxDataViewToggleRenderer *cell = (wxDataViewToggleRenderer*) user_data;
2296
2297 // get old value
2298 GValue gvalue = { 0, };
2299 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2300 g_object_get_property( G_OBJECT(renderer), "active", &gvalue );
2301 // invert it
2302 wxVariant value = !g_value_get_boolean( &gvalue );
2303 g_value_unset( &gvalue );
2304
2305 if (!cell->Validate( value ))
2306 return;
2307
2308 wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
2309 wxDataViewModel *model = ctrl->GetModel();
2310
2311 wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));
2312
2313 unsigned int model_col = cell->GetOwner()->GetModelColumn();
2314
2315 model->ChangeValue( value, item, model_col );
2316 }
2317
2318 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
2319
2320 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
2321 wxDataViewCellMode mode, int align ) :
2322 wxDataViewRenderer( varianttype, mode, align )
2323 {
2324 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_toggle_new();
2325
2326 if (mode & wxDATAVIEW_CELL_ACTIVATABLE)
2327 {
2328 g_signal_connect_after( m_renderer, "toggled",
2329 G_CALLBACK(wxGtkToggleRendererToggledCallback), this );
2330 }
2331 else
2332 {
2333 GValue gvalue = { 0, };
2334 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2335 g_value_set_boolean( &gvalue, false );
2336 g_object_set_property( G_OBJECT(m_renderer), "activatable", &gvalue );
2337 g_value_unset( &gvalue );
2338 }
2339
2340 SetMode(mode);
2341 SetAlignment(align);
2342 }
2343
2344 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
2345 {
2346 bool tmp = value;
2347
2348 GValue gvalue = { 0, };
2349 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2350 g_value_set_boolean( &gvalue, tmp );
2351 g_object_set_property( G_OBJECT(m_renderer), "active", &gvalue );
2352 g_value_unset( &gvalue );
2353
2354 return true;
2355 }
2356
2357 bool wxDataViewToggleRenderer::GetValue( wxVariant &value ) const
2358 {
2359 GValue gvalue = { 0, };
2360 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2361 g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );
2362 value = g_value_get_boolean( &gvalue ) != 0;
2363 g_value_unset( &gvalue );
2364
2365 return true;
2366 }
2367
2368 // ---------------------------------------------------------
2369 // wxDataViewCustomRenderer
2370 // ---------------------------------------------------------
2371
2372 #ifndef __WXGTK3__
2373 class wxDataViewCtrlDCImpl: public wxWindowDCImpl
2374 {
2375 public:
2376 wxDataViewCtrlDCImpl( wxDC *owner, wxDataViewCtrl *window ) :
2377 wxWindowDCImpl( owner )
2378 {
2379 GtkWidget *widget = window->m_treeview;
2380 // Set later
2381 m_gdkwindow = NULL;
2382
2383 m_window = window;
2384
2385 m_context = window->GTKGetPangoDefaultContext();
2386 m_layout = pango_layout_new( m_context );
2387 m_fontdesc = pango_font_description_copy(gtk_widget_get_style(widget)->font_desc);
2388
2389 m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
2390
2391 // Set m_gdkwindow later
2392 // SetUpDC();
2393 }
2394 };
2395
2396 class wxDataViewCtrlDC: public wxWindowDC
2397 {
2398 public:
2399 wxDataViewCtrlDC( wxDataViewCtrl *window ) :
2400 wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )
2401 { }
2402 };
2403 #endif
2404
2405 // ---------------------------------------------------------
2406 // wxDataViewCustomRenderer
2407 // ---------------------------------------------------------
2408
2409 IMPLEMENT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
2410
2411 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
2412 wxDataViewCellMode mode,
2413 int align,
2414 bool no_init )
2415 : wxDataViewCustomRendererBase( varianttype, mode, align )
2416 {
2417 m_dc = NULL;
2418 m_text_renderer = NULL;
2419 m_renderParams = NULL;
2420
2421 if (no_init)
2422 m_renderer = NULL;
2423 else
2424 Init(mode, align);
2425 }
2426
2427 void wxDataViewCustomRenderer::GtkInitTextRenderer()
2428 {
2429 m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
2430 g_object_ref_sink(m_text_renderer);
2431
2432 GtkApplyAlignment(GTK_CELL_RENDERER(m_text_renderer));
2433 }
2434
2435 GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
2436 {
2437 if ( !m_text_renderer )
2438 {
2439 // we create it on demand so need to do it even from a const function
2440 const_cast<wxDataViewCustomRenderer *>(this)->GtkInitTextRenderer();
2441 }
2442
2443 return m_text_renderer;
2444 }
2445
2446 void wxDataViewCustomRenderer::RenderText( const wxString &text,
2447 int xoffset,
2448 wxRect cell,
2449 wxDC *WXUNUSED(dc),
2450 int WXUNUSED(state) )
2451 {
2452
2453 GtkCellRendererText * const textRenderer = GtkGetTextRenderer();
2454
2455 GValue gvalue = { 0, };
2456 g_value_init( &gvalue, G_TYPE_STRING );
2457 g_value_set_string( &gvalue, wxGTK_CONV_FONT( text, GetOwner()->GetOwner()->GetFont() ) );
2458 g_object_set_property( G_OBJECT(textRenderer), "text", &gvalue );
2459 g_value_unset( &gvalue );
2460
2461 GtkApplyAttr(textRenderer, GetAttr());
2462
2463 GdkRectangle cell_area;
2464 wxRectToGDKRect(cell, cell_area);
2465 cell_area.x += xoffset;
2466 cell_area.width -= xoffset;
2467
2468 gtk_cell_renderer_render( GTK_CELL_RENDERER(textRenderer),
2469 #ifdef __WXGTK3__
2470 m_renderParams->cr,
2471 #else
2472 m_renderParams->window,
2473 #endif
2474 m_renderParams->widget,
2475 m_renderParams->background_area,
2476 &cell_area,
2477 #ifndef __WXGTK3__
2478 m_renderParams->expose_area,
2479 #endif
2480 GtkCellRendererState(m_renderParams->flags));
2481 }
2482
2483 bool wxDataViewCustomRenderer::Init(wxDataViewCellMode mode, int align)
2484 {
2485 GtkWxCellRenderer *renderer = (GtkWxCellRenderer *) gtk_wx_cell_renderer_new();
2486 renderer->cell = this;
2487
2488 m_renderer = (GtkCellRenderer*) renderer;
2489
2490 SetMode(mode);
2491 SetAlignment(align);
2492
2493 GtkInitHandlers();
2494
2495 return true;
2496 }
2497
2498 wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
2499 {
2500 if (m_dc)
2501 delete m_dc;
2502
2503 if (m_text_renderer)
2504 g_object_unref(m_text_renderer);
2505 }
2506
2507 wxDC *wxDataViewCustomRenderer::GetDC()
2508 {
2509 if (m_dc == NULL)
2510 {
2511 #ifdef __WXGTK3__
2512 wxASSERT(m_renderParams);
2513 cairo_t* cr = m_renderParams->cr;
2514 wxASSERT(cr && cairo_status(cr) == 0);
2515 m_dc = new wxGTKCairoDC(cr);
2516 #else
2517 if (GetOwner() == NULL)
2518 return NULL;
2519 if (GetOwner()->GetOwner() == NULL)
2520 return NULL;
2521 m_dc = new wxDataViewCtrlDC( GetOwner()->GetOwner() );
2522 #endif
2523 }
2524
2525 return m_dc;
2526 }
2527
2528 // ---------------------------------------------------------
2529 // wxDataViewProgressRenderer
2530 // ---------------------------------------------------------
2531
2532 IMPLEMENT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
2533
2534 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
2535 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
2536 wxDataViewCustomRenderer( varianttype, mode, align, true )
2537 {
2538 m_label = label;
2539 m_value = 0;
2540 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
2541
2542 SetMode(mode);
2543 SetAlignment(align);
2544
2545 #if !wxUSE_UNICODE
2546 // We can't initialize the renderer just yet because we don't have the
2547 // pointer to the column that uses this renderer yet and so attempt to
2548 // dereference GetOwner() to get the font that is used as a source of
2549 // encoding in multibyte-to-Unicode conversion in GTKSetLabel() in
2550 // non-Unicode builds would crash. So simply remember to do it later.
2551 if ( !m_label.empty() )
2552 m_needsToSetLabel = true;
2553 else
2554 #endif // !wxUSE_UNICODE
2555 {
2556 GTKSetLabel();
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 #if !wxUSE_UNICODE
2589 if ( m_needsToSetLabel )
2590 GTKSetLabel();
2591 #endif // !wxUSE_UNICODE
2592
2593 gint tmp = (long) value;
2594 GValue gvalue = { 0, };
2595 g_value_init( &gvalue, G_TYPE_INT );
2596 g_value_set_int( &gvalue, tmp );
2597 g_object_set_property( G_OBJECT(m_renderer), "value", &gvalue );
2598 g_value_unset( &gvalue );
2599
2600 return true;
2601 }
2602
2603 bool wxDataViewProgressRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
2604 {
2605 return false;
2606 }
2607
2608 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
2609 {
2610 double pct = (double)m_value / 100.0;
2611 wxRect bar = cell;
2612 bar.width = (int)(cell.width * pct);
2613 dc->SetPen( *wxTRANSPARENT_PEN );
2614 dc->SetBrush( *wxBLUE_BRUSH );
2615 dc->DrawRectangle( bar );
2616
2617 dc->SetBrush( *wxTRANSPARENT_BRUSH );
2618 dc->SetPen( *wxBLACK_PEN );
2619 dc->DrawRectangle( cell );
2620
2621 return true;
2622 }
2623
2624 wxSize wxDataViewProgressRenderer::GetSize() const
2625 {
2626 return wxSize(40,12);
2627 }
2628
2629 // -------------------------------------
2630 // wxDataViewChoiceRenderer
2631 // -------------------------------------
2632
2633 wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices,
2634 wxDataViewCellMode mode, int alignment ) :
2635 wxDataViewCustomRenderer( "string", mode, alignment, true )
2636 {
2637 m_choices = choices;
2638 m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
2639 GtkListStore *store = gtk_list_store_new( 1, G_TYPE_STRING );
2640 for (size_t n = 0; n < m_choices.GetCount(); n++)
2641 {
2642 gtk_list_store_insert_with_values(
2643 store, NULL, n, 0,
2644 static_cast<const char *>(m_choices[n].utf8_str()), -1 );
2645 }
2646
2647 g_object_set (m_renderer,
2648 "model", store,
2649 "text-column", 0,
2650 "has-entry", FALSE,
2651 NULL);
2652
2653 bool editable = (mode & wxDATAVIEW_CELL_EDITABLE) != 0;
2654 g_object_set (m_renderer, "editable", editable, NULL);
2655
2656 SetAlignment(alignment);
2657
2658 g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
2659
2660 GtkInitHandlers();
2661 }
2662
2663 bool wxDataViewChoiceRenderer::Render( wxRect rect, wxDC *dc, int state )
2664 {
2665 RenderText( m_data, 0, rect, dc, state );
2666 return true;
2667 }
2668
2669 wxSize wxDataViewChoiceRenderer::GetSize() const
2670 {
2671 return wxSize(70,20);
2672 }
2673
2674 bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
2675 {
2676 GValue gvalue = { 0, };
2677 g_value_init( &gvalue, G_TYPE_STRING );
2678 g_value_set_string(&gvalue,
2679 wxGTK_CONV_FONT(value.GetString(),
2680 GetOwner()->GetOwner()->GetFont()));
2681 g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
2682 g_value_unset( &gvalue );
2683
2684 return true;
2685 }
2686
2687 bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
2688 {
2689 GValue gvalue = { 0, };
2690 g_value_init( &gvalue, G_TYPE_STRING );
2691 g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
2692 wxString temp = wxGTK_CONV_BACK_FONT(g_value_get_string(&gvalue),
2693 GetOwner()->GetOwner()->GetFont());
2694 g_value_unset( &gvalue );
2695 value = temp;
2696
2697 return true;
2698 }
2699
2700 void wxDataViewChoiceRenderer::SetAlignment( int align )
2701 {
2702 wxDataViewCustomRenderer::SetAlignment(align);
2703
2704 #ifndef __WXGTK3__
2705 if (gtk_check_version(2,10,0))
2706 return;
2707 #endif
2708
2709 // horizontal alignment:
2710 PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
2711 if (align & wxALIGN_RIGHT)
2712 pangoAlign = PANGO_ALIGN_RIGHT;
2713 else if (align & wxALIGN_CENTER_HORIZONTAL)
2714 pangoAlign = PANGO_ALIGN_CENTER;
2715
2716 GValue gvalue = { 0, };
2717 g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
2718 g_value_set_enum( &gvalue, pangoAlign );
2719 g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
2720 g_value_unset( &gvalue );
2721 }
2722
2723 // ----------------------------------------------------------------------------
2724 // wxDataViewChoiceByIndexRenderer
2725 // ----------------------------------------------------------------------------
2726
2727 wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
2728 wxDataViewCellMode mode, int alignment ) :
2729 wxDataViewChoiceRenderer( choices, mode, alignment )
2730 {
2731 }
2732
2733 void wxDataViewChoiceByIndexRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)
2734 {
2735 wxVariant value( (long) GetChoices().Index( str ) );
2736
2737 if (!Validate( value ))
2738 return;
2739
2740 wxDataViewItem
2741 item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
2742
2743 GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
2744 }
2745
2746 bool wxDataViewChoiceByIndexRenderer::SetValue( const wxVariant &value )
2747 {
2748 wxVariant string_value = GetChoice( value.GetLong() );
2749 return wxDataViewChoiceRenderer::SetValue( string_value );
2750 }
2751
2752 bool wxDataViewChoiceByIndexRenderer::GetValue( wxVariant &value ) const
2753 {
2754 wxVariant string_value;
2755 if (!wxDataViewChoiceRenderer::GetValue( string_value ))
2756 return false;
2757
2758 value = (long) GetChoices().Index( string_value.GetString() );
2759 return true;
2760 }
2761
2762 // ---------------------------------------------------------
2763 // wxDataViewIconTextRenderer
2764 // ---------------------------------------------------------
2765
2766 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
2767
2768 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer
2769 (
2770 const wxString &varianttype,
2771 wxDataViewCellMode mode,
2772 int align
2773 )
2774 : wxDataViewTextRenderer(varianttype, mode, align)
2775 {
2776 m_rendererIcon = gtk_cell_renderer_pixbuf_new();
2777 }
2778
2779 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
2780 {
2781 }
2782
2783 void wxDataViewIconTextRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
2784 {
2785 // add the icon renderer first
2786 gtk_tree_view_column_pack_start(column, m_rendererIcon, FALSE /* !expand */);
2787
2788 // add the text renderer too
2789 wxDataViewRenderer::GtkPackIntoColumn(column);
2790 }
2791
2792 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
2793 {
2794 m_value << value;
2795
2796 SetTextValue(m_value.GetText());
2797
2798 const wxIcon& icon = m_value.GetIcon();
2799 SetPixbufProp(m_rendererIcon, icon.IsOk() ? icon.GetPixbuf() : NULL);
2800
2801 return true;
2802 }
2803
2804 bool wxDataViewIconTextRenderer::GetValue(wxVariant& value) const
2805 {
2806 wxString str;
2807 if ( !GetTextValue(str) )
2808 return false;
2809
2810 // user doesn't have any way to edit the icon so leave it unchanged
2811 value << wxDataViewIconText(str, m_value.GetIcon());
2812
2813 return true;
2814 }
2815
2816 void
2817 wxDataViewIconTextRenderer::GtkOnCellChanged(const wxVariant& value,
2818 const wxDataViewItem& item,
2819 unsigned col)
2820 {
2821 // we receive just the text part of our value as it's the only one which
2822 // can be edited, but we need the full wxDataViewIconText value for the
2823 // model
2824 wxVariant valueIconText;
2825 valueIconText << wxDataViewIconText(value.GetString(), m_value.GetIcon());
2826 wxDataViewTextRenderer::GtkOnCellChanged(valueIconText, item, col);
2827 }
2828
2829 // ---------------------------------------------------------
2830 // wxDataViewColumn
2831 // ---------------------------------------------------------
2832
2833
2834 static gboolean
2835 gtk_dataview_header_button_press_callback( GtkWidget *WXUNUSED(widget),
2836 GdkEventButton *gdk_event,
2837 wxDataViewColumn *column )
2838 {
2839 if (gdk_event->type != GDK_BUTTON_PRESS)
2840 return FALSE;
2841
2842 if (gdk_event->button == 1)
2843 {
2844 gs_lastLeftClickHeader = column;
2845
2846 wxDataViewCtrl *dv = column->GetOwner();
2847 wxDataViewEvent event( wxEVT_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
2848 event.SetDataViewColumn( column );
2849 event.SetModel( dv->GetModel() );
2850 if (dv->HandleWindowEvent( event ))
2851 return FALSE;
2852 }
2853
2854 if (gdk_event->button == 3)
2855 {
2856 wxDataViewCtrl *dv = column->GetOwner();
2857 wxDataViewEvent event( wxEVT_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, dv->GetId() );
2858 event.SetDataViewColumn( column );
2859 event.SetModel( dv->GetModel() );
2860 if (dv->HandleWindowEvent( event ))
2861 return FALSE;
2862 }
2863
2864 return FALSE;
2865 }
2866
2867 extern "C"
2868 {
2869
2870 static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
2871 GtkCellRenderer *renderer,
2872 GtkTreeModel *model,
2873 GtkTreeIter *iter,
2874 gpointer data )
2875 {
2876 g_return_if_fail (GTK_IS_WX_TREE_MODEL (model));
2877 GtkWxTreeModel *tree_model = (GtkWxTreeModel *) model;
2878
2879 wxDataViewRenderer *cell = (wxDataViewRenderer*) data;
2880
2881 wxDataViewItem item( (void*) iter->user_data );
2882
2883 wxDataViewModel *wx_model = tree_model->internal->GetDataViewModel();
2884
2885 if (!wx_model->IsVirtualListModel())
2886 {
2887 gboolean visible;
2888 if (wx_model->IsContainer( item ))
2889 {
2890 visible = wx_model->HasContainerColumns( item ) ||
2891 (cell->GetOwner()->GetModelColumn() == 0);
2892 }
2893 else
2894 {
2895 visible = true;
2896 }
2897
2898 GValue gvalue = { 0, };
2899 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2900 g_value_set_boolean( &gvalue, visible );
2901 g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
2902 g_value_unset( &gvalue );
2903
2904 if ( !visible )
2905 return;
2906 }
2907
2908 wxVariant value;
2909 wx_model->GetValue( value, item, cell->GetOwner()->GetModelColumn() );
2910
2911 if (value.GetType() != cell->GetVariantType())
2912 {
2913 wxLogError( wxT("Wrong type, required: %s but: %s"),
2914 value.GetType().c_str(),
2915 cell->GetVariantType().c_str() );
2916 }
2917
2918 cell->SetValue( value );
2919
2920 // deal with disabled items
2921 bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn() );
2922
2923 // a) this sets the appearance to disabled grey
2924 GValue gvalue = { 0, };
2925 g_value_init( &gvalue, G_TYPE_BOOLEAN );
2926 g_value_set_boolean( &gvalue, enabled );
2927 g_object_set_property( G_OBJECT(renderer), "sensitive", &gvalue );
2928 g_value_unset( &gvalue );
2929
2930 // b) this actually disables the control/renderer
2931 if (enabled)
2932 cell->SetMode( cell->GtkGetMode() );
2933 else
2934 cell->SetMode( wxDATAVIEW_CELL_INERT );
2935
2936
2937 // deal with attributes: if the renderer doesn't support them at all, we
2938 // don't even need to query the model for them
2939 if ( !cell->GtkSupportsAttrs() )
2940 return;
2941
2942 // it can support attributes so check if this item has any
2943 wxDataViewItemAttr attr;
2944 if ( wx_model->GetAttr( item, cell->GetOwner()->GetModelColumn(), attr )
2945 || !cell->GtkIsUsingDefaultAttrs() )
2946 {
2947 bool usingDefaultAttrs = !cell->GtkSetAttr(attr);
2948 cell->GtkSetUsingDefaultAttrs(usingDefaultAttrs);
2949 }
2950 // else: no custom attributes specified and we're already using the default
2951 // ones -- nothing to do
2952
2953 }
2954
2955 } // extern "C"
2956
2957 #include <wx/listimpl.cpp>
2958 WX_DEFINE_LIST(wxDataViewColumnList)
2959
2960 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
2961 unsigned int model_column, int width,
2962 wxAlignment align, int flags )
2963 : wxDataViewColumnBase( cell, model_column )
2964 {
2965 Init( align, flags, width );
2966
2967 SetTitle( title );
2968 }
2969
2970 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
2971 unsigned int model_column, int width,
2972 wxAlignment align, int flags )
2973 : wxDataViewColumnBase( bitmap, cell, model_column )
2974 {
2975 Init( align, flags, width );
2976
2977 SetBitmap( bitmap );
2978 }
2979
2980 void wxDataViewColumn::Init(wxAlignment align, int flags, int width)
2981 {
2982 m_isConnected = false;
2983
2984 GtkTreeViewColumn *column = gtk_tree_view_column_new();
2985 m_column = (GtkWidget*) column;
2986
2987 SetFlags( flags );
2988 SetAlignment( align );
2989
2990 SetWidth( width );
2991
2992 // Create container for icon and label
2993 GtkWidget* box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 1);
2994 gtk_widget_show( box );
2995 // gtk_container_set_border_width((GtkContainer*)box, 2);
2996 m_image = gtk_image_new();
2997 gtk_box_pack_start(GTK_BOX(box), m_image, FALSE, FALSE, 1);
2998 m_label = gtk_label_new("");
2999 gtk_box_pack_end( GTK_BOX(box), GTK_WIDGET(m_label), FALSE, FALSE, 1 );
3000 gtk_tree_view_column_set_widget( column, box );
3001
3002 wxDataViewRenderer * const colRenderer = GetRenderer();
3003 GtkCellRenderer * const cellRenderer = colRenderer->GetGtkHandle();
3004
3005 colRenderer->GtkPackIntoColumn(column);
3006
3007 gtk_tree_view_column_set_cell_data_func( column, cellRenderer,
3008 wxGtkTreeCellDataFunc, (gpointer) colRenderer, NULL );
3009 }
3010
3011 void wxDataViewColumn::OnInternalIdle()
3012 {
3013 if (m_isConnected)
3014 return;
3015
3016 if (gtk_widget_get_realized(GetOwner()->m_treeview))
3017 {
3018 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3019 GtkWidget* button = gtk_tree_view_column_get_button(column);
3020 if (button)
3021 {
3022 g_signal_connect(button, "button_press_event",
3023 G_CALLBACK (gtk_dataview_header_button_press_callback), this);
3024
3025 // otherwise the event will be blocked by GTK+
3026 gtk_tree_view_column_set_clickable( column, TRUE );
3027
3028 m_isConnected = true;
3029 }
3030 }
3031 }
3032
3033 void wxDataViewColumn::SetOwner( wxDataViewCtrl *owner )
3034 {
3035 wxDataViewColumnBase::SetOwner( owner );
3036
3037 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3038
3039 gtk_tree_view_column_set_title( column, wxGTK_CONV_FONT(GetTitle(), GetOwner()->GetFont() ) );
3040 }
3041
3042 void wxDataViewColumn::SetTitle( const wxString &title )
3043 {
3044 wxDataViewCtrl *ctrl = GetOwner();
3045 gtk_label_set_text( GTK_LABEL(m_label), ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())
3046 : wxGTK_CONV_SYS(title) );
3047 if (title.empty())
3048 gtk_widget_hide( m_label );
3049 else
3050 gtk_widget_show( m_label );
3051 }
3052
3053 wxString wxDataViewColumn::GetTitle() const
3054 {
3055 return wxGTK_CONV_BACK_FONT(
3056 gtk_label_get_text( GTK_LABEL(m_label) ),
3057 GetOwner()->GetFont()
3058 );
3059 }
3060
3061 void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
3062 {
3063 wxDataViewColumnBase::SetBitmap( bitmap );
3064
3065 if (bitmap.IsOk())
3066 {
3067 GtkImage *gtk_image = GTK_IMAGE(m_image);
3068
3069 gtk_image_set_from_pixbuf(GTK_IMAGE(gtk_image), bitmap.GetPixbuf());
3070 gtk_widget_show( m_image );
3071 }
3072 else
3073 {
3074 gtk_widget_hide( m_image );
3075 }
3076 }
3077
3078 void wxDataViewColumn::SetHidden( bool hidden )
3079 {
3080 gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
3081 }
3082
3083 void wxDataViewColumn::SetResizeable( bool resizable )
3084 {
3085 gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizable );
3086 }
3087
3088 void wxDataViewColumn::SetAlignment( wxAlignment align )
3089 {
3090 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3091
3092 gfloat xalign = 0.0;
3093 if (align == wxALIGN_RIGHT)
3094 xalign = 1.0;
3095 if (align == wxALIGN_CENTER_HORIZONTAL ||
3096 align == wxALIGN_CENTER)
3097 xalign = 0.5;
3098
3099 gtk_tree_view_column_set_alignment( column, xalign );
3100
3101 if (m_renderer && m_renderer->GetAlignment() == -1)
3102 m_renderer->GtkUpdateAlignment();
3103 }
3104
3105 wxAlignment wxDataViewColumn::GetAlignment() const
3106 {
3107 gfloat xalign = gtk_tree_view_column_get_alignment( GTK_TREE_VIEW_COLUMN(m_column) );
3108
3109 if (xalign == 1.0)
3110 return wxALIGN_RIGHT;
3111 if (xalign == 0.5)
3112 return wxALIGN_CENTER_HORIZONTAL;
3113
3114 return wxALIGN_LEFT;
3115 }
3116
3117 void wxDataViewColumn::SetSortable( bool sortable )
3118 {
3119 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3120
3121 if ( sortable )
3122 {
3123 gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
3124 }
3125 else
3126 {
3127 gtk_tree_view_column_set_sort_column_id( column, -1 );
3128 gtk_tree_view_column_set_sort_indicator( column, FALSE );
3129 gtk_tree_view_column_set_clickable( column, FALSE );
3130 }
3131 }
3132
3133 bool wxDataViewColumn::IsSortable() const
3134 {
3135 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3136 return gtk_tree_view_column_get_clickable( column ) != 0;
3137 }
3138
3139 bool wxDataViewColumn::IsSortKey() const
3140 {
3141 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3142 return gtk_tree_view_column_get_sort_indicator( column ) != 0;
3143 }
3144
3145 bool wxDataViewColumn::IsResizeable() const
3146 {
3147 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3148 return gtk_tree_view_column_get_resizable( column ) != 0;
3149 }
3150
3151 bool wxDataViewColumn::IsHidden() const
3152 {
3153 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3154 return !gtk_tree_view_column_get_visible( column );
3155 }
3156
3157 void wxDataViewColumn::SetSortOrder( bool ascending )
3158 {
3159 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3160
3161 if (ascending)
3162 gtk_tree_view_column_set_sort_order( column, GTK_SORT_ASCENDING );
3163 else
3164 gtk_tree_view_column_set_sort_order( column, GTK_SORT_DESCENDING );
3165
3166 gtk_tree_view_column_set_sort_indicator( column, TRUE );
3167 }
3168
3169 bool wxDataViewColumn::IsSortOrderAscending() const
3170 {
3171 GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
3172
3173 return (gtk_tree_view_column_get_sort_order( column ) != GTK_SORT_DESCENDING);
3174 }
3175
3176 void wxDataViewColumn::SetMinWidth( int width )
3177 {
3178 gtk_tree_view_column_set_min_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3179 }
3180
3181 int wxDataViewColumn::GetMinWidth() const
3182 {
3183 return gtk_tree_view_column_get_min_width( GTK_TREE_VIEW_COLUMN(m_column) );
3184 }
3185
3186 int wxDataViewColumn::GetWidth() const
3187 {
3188 return gtk_tree_view_column_get_width( GTK_TREE_VIEW_COLUMN(m_column) );
3189 }
3190
3191 void wxDataViewColumn::SetWidth( int width )
3192 {
3193 if ( width == wxCOL_WIDTH_AUTOSIZE )
3194 {
3195 // NB: this disables user resizing
3196 gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_AUTOSIZE );
3197 }
3198 else
3199 {
3200 if ( width == wxCOL_WIDTH_DEFAULT )
3201 {
3202 // TODO find a better calculation
3203 width = wxDVC_DEFAULT_WIDTH;
3204 }
3205
3206 gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_FIXED );
3207 gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), width );
3208 }
3209 }
3210
3211 void wxDataViewColumn::SetReorderable( bool reorderable )
3212 {
3213 gtk_tree_view_column_set_reorderable( GTK_TREE_VIEW_COLUMN(m_column), reorderable );
3214 }
3215
3216 bool wxDataViewColumn::IsReorderable() const
3217 {
3218 return gtk_tree_view_column_get_reorderable( GTK_TREE_VIEW_COLUMN(m_column) ) != 0;
3219 }
3220
3221 //-----------------------------------------------------------------------------
3222 // wxGtkTreeModelNode
3223 //-----------------------------------------------------------------------------
3224
3225 #if 0
3226 class wxGtkTreeModelChildWithPos
3227 {
3228 public:
3229 unsigned int pos;
3230 void *id;
3231 };
3232
3233 static
3234 int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const void* user_data )
3235 {
3236 const wxGtkTreeModelChildWithPos* child1 = (const wxGtkTreeModelChildWithPos*) data1;
3237 const wxGtkTreeModelChildWithPos* child2 = (const wxGtkTreeModelChildWithPos*) data2;
3238 const wxDataViewCtrlInternal *internal = (const wxDataViewCtrlInternal *) user_data;
3239 int ret = internal->GetDataViewModel()->Compare( child1->id, child2->id,
3240 internal->GetSortColumn(), (internal->GetSortOrder() == GTK_SORT_DESCENDING) );
3241
3242 return ret;
3243 }
3244 #else
3245 static
3246 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
3247 {
3248 return gs_internal->GetDataViewModel()->Compare( wxDataViewItem(**data1), wxDataViewItem(**data2),
3249 gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
3250 }
3251
3252 WX_DEFINE_ARRAY_PTR( void**, wxGtkTreeModelChildrenPtr );
3253 #endif
3254
3255 void wxGtkTreeModelNode::Resort()
3256 {
3257 size_t child_count = GetChildCount();
3258 if (child_count == 0)
3259 return;
3260
3261 size_t node_count = GetNodesCount();
3262
3263 if (child_count == 1)
3264 {
3265 if (node_count == 1)
3266 {
3267 wxGtkTreeModelNode *node = m_nodes.Item( 0 );
3268 node->Resort();
3269 }
3270 return;
3271 }
3272
3273 gint *new_order = new gint[child_count];
3274
3275 #if 1
3276 // m_children has the original *void
3277 // ptrs points to these
3278 wxGtkTreeModelChildrenPtr ptrs;
3279 size_t i;
3280 for (i = 0; i < child_count; i++)
3281 ptrs.Add( &(m_children[i]) );
3282 // Sort the ptrs
3283 gs_internal = m_internal;
3284 ptrs.Sort( &wxGtkTreeModelChildPtrCmp );
3285
3286 wxGtkTreeModelChildren temp;
3287 void** base_ptr = &(m_children[0]);
3288 // Transfer positions to new_order array and
3289 // IDs to temp
3290 for (i = 0; i < child_count; i++)
3291 {
3292 new_order[i] = ptrs[i] - base_ptr;
3293 temp.Add( *ptrs[i] );
3294 }
3295
3296 // Transfer IDs back to m_children
3297 m_children.Clear();
3298 WX_APPEND_ARRAY( temp, m_children );
3299 #endif
3300 #if 0
3301 // Too slow
3302
3303 // Build up array with IDs and original positions
3304 wxGtkTreeModelChildWithPos* temp = new wxGtkTreeModelChildWithPos[child_count];
3305 size_t i;
3306 for (i = 0; i < child_count; i++)
3307 {
3308 temp[i].pos = i;
3309 temp[i].id = m_children[i];
3310 }
3311 // Sort array keeping original positions
3312 wxQsort( temp, child_count, sizeof(wxGtkTreeModelChildWithPos),
3313 &wxGtkTreeModelChildWithPosCmp, m_internal );
3314 // Transfer positions to new_order array and
3315 // IDs to m_children
3316 m_children.Clear();
3317 for (i = 0; i < child_count; i++)
3318 {
3319 new_order[i] = temp[i].pos;
3320 m_children.Add( temp[i].id );
3321 }
3322 // Delete array
3323 delete [] temp;
3324 #endif
3325
3326 #if 0
3327 // Too slow
3328
3329 wxGtkTreeModelChildren temp;
3330 WX_APPEND_ARRAY( temp, m_children );
3331
3332 gs_internal = m_internal;
3333 m_children.Sort( &wxGtkTreeModelChildCmp );
3334
3335 unsigned int pos;
3336 for (pos = 0; pos < child_count; pos++)
3337 {
3338 void *id = m_children.Item( pos );
3339 int old_pos = temp.Index( id );
3340 new_order[pos] = old_pos;
3341 }
3342 #endif
3343
3344 GtkTreeModel *gtk_tree_model = GTK_TREE_MODEL( m_internal->GetGtkModel() );
3345
3346 GtkTreeIter iter;
3347 iter.user_data = GetItem().GetID();
3348 iter.stamp = m_internal->GetGtkModel()->stamp;
3349
3350 gtk_tree_model_rows_reordered( gtk_tree_model,
3351 wxGtkTreePath(m_internal->get_path(&iter)), &iter, new_order );
3352
3353 delete [] new_order;
3354
3355 unsigned int pos;
3356 for (pos = 0; pos < node_count; pos++)
3357 {
3358 wxGtkTreeModelNode *node = m_nodes.Item( pos );
3359 node->Resort();
3360 }
3361 }
3362
3363 //-----------------------------------------------------------------------------
3364 // wxDataViewCtrlInternal
3365 //-----------------------------------------------------------------------------
3366
3367 wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model )
3368 {
3369 m_owner = owner;
3370 m_wx_model = wx_model;
3371
3372 m_root = NULL;
3373 m_sort_order = GTK_SORT_ASCENDING;
3374 m_sort_column = -1;
3375 m_dataview_sort_column = NULL;
3376
3377 m_dragDataObject = NULL;
3378 m_dropDataObject = NULL;
3379
3380 m_dirty = false;
3381
3382 m_gtk_model = wxgtk_tree_model_new();
3383 m_gtk_model->internal = this;
3384
3385 m_notifier = new wxGtkDataViewModelNotifier( wx_model, this );
3386
3387 wx_model->AddNotifier( m_notifier );
3388
3389 // g_object_unref( gtk_model ); ???
3390
3391 if (!m_wx_model->IsVirtualListModel())
3392 InitTree();
3393
3394 gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->GtkGetTreeView()), GTK_TREE_MODEL(m_gtk_model) );
3395 }
3396
3397 wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
3398 {
3399 m_wx_model->RemoveNotifier( m_notifier );
3400
3401 // remove the model from the GtkTreeView before it gets destroyed
3402 gtk_tree_view_set_model( GTK_TREE_VIEW( m_owner->GtkGetTreeView() ), NULL );
3403
3404 g_object_unref( m_gtk_model );
3405
3406 delete m_dragDataObject;
3407 delete m_dropDataObject;
3408 }
3409
3410 void wxDataViewCtrlInternal::ScheduleRefresh()
3411 {
3412 m_dirty = true;
3413 }
3414
3415 void wxDataViewCtrlInternal::OnInternalIdle()
3416 {
3417 if (m_dirty)
3418 {
3419 GtkWidget *widget = m_owner->GtkGetTreeView();
3420 gtk_widget_queue_draw( widget );
3421 m_dirty = false;
3422 }
3423 }
3424
3425 void wxDataViewCtrlInternal::InitTree()
3426 {
3427 wxDataViewItem item;
3428 m_root = new wxGtkTreeModelNode( NULL, item, this );
3429
3430 BuildBranch( m_root );
3431 }
3432
3433 void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
3434 {
3435 if (node->GetChildCount() == 0)
3436 {
3437 wxDataViewItemArray children;
3438 unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
3439
3440 unsigned int pos;
3441 for (pos = 0; pos < count; pos++)
3442 {
3443 wxDataViewItem child = children[pos];
3444
3445 if (m_wx_model->IsContainer( child ))
3446 node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
3447 else
3448 node->AddLeaf( child.GetID() );
3449
3450 // Don't send any events here
3451 }
3452 }
3453 }
3454
3455 // GTK+ dnd iface
3456
3457 bool wxDataViewCtrlInternal::EnableDragSource( const wxDataFormat &format )
3458 {
3459 wxGtkString atom_str( gdk_atom_name( format ) );
3460 m_dragSourceTargetEntryTarget = wxCharBuffer( atom_str );
3461
3462 m_dragSourceTargetEntry.target = m_dragSourceTargetEntryTarget.data();
3463 m_dragSourceTargetEntry.flags = 0;
3464 m_dragSourceTargetEntry.info = static_cast<guint>(-1);
3465
3466 gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3467 GDK_BUTTON1_MASK, &m_dragSourceTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3468
3469 return true;
3470 }
3471
3472 bool wxDataViewCtrlInternal::EnableDropTarget( const wxDataFormat &format )
3473 {
3474 wxGtkString atom_str( gdk_atom_name( format ) );
3475 m_dropTargetTargetEntryTarget = wxCharBuffer( atom_str );
3476
3477 m_dropTargetTargetEntry.target = m_dropTargetTargetEntryTarget.data();
3478 m_dropTargetTargetEntry.flags = 0;
3479 m_dropTargetTargetEntry.info = static_cast<guint>(-1);
3480
3481 gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
3482 &m_dropTargetTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
3483
3484 return true;
3485 }
3486
3487 gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
3488 GtkTreePath *path )
3489 {
3490 delete m_dragDataObject;
3491 m_dragDataObject = NULL;
3492
3493 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3494 if ( !item )
3495 return FALSE;
3496
3497 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3498 event.SetEventObject( m_owner );
3499 event.SetItem( item );
3500 event.SetModel( m_wx_model );
3501 gint x, y;
3502 gtk_widget_get_pointer(m_owner->GtkGetTreeView(), &x, &y);
3503 event.SetPosition(x, y);
3504 if (!m_owner->HandleWindowEvent( event ))
3505 return FALSE;
3506
3507 if (!event.IsAllowed())
3508 return FALSE;
3509
3510 wxDataObject *obj = event.GetDataObject();
3511 if (!obj)
3512 return FALSE;
3513
3514 m_dragDataObject = obj;
3515
3516 return TRUE;
3517 }
3518
3519 gboolean
3520 wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source),
3521 GtkTreePath *WXUNUSED(path))
3522 {
3523 return FALSE;
3524 }
3525
3526 gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
3527 GtkTreePath *path, GtkSelectionData *selection_data )
3528 {
3529 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3530 if ( !item )
3531 return FALSE;
3532
3533 GdkAtom target = gtk_selection_data_get_target(selection_data);
3534 if (!m_dragDataObject->IsSupported(target))
3535 return FALSE;
3536
3537 size_t size = m_dragDataObject->GetDataSize(target);
3538 if (size == 0)
3539 return FALSE;
3540
3541 void *buf = malloc( size );
3542
3543 gboolean res = FALSE;
3544 if (m_dragDataObject->GetDataHere(target, buf))
3545 {
3546 res = TRUE;
3547
3548 gtk_selection_data_set(selection_data, target,
3549 8, (const guchar*) buf, size );
3550 }
3551
3552 free( buf );
3553
3554 return res;
3555 }
3556
3557 gboolean
3558 wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
3559 GtkTreePath *path,
3560 GtkSelectionData *selection_data)
3561 {
3562 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3563 if ( !item )
3564 return FALSE;
3565
3566 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_DROP, m_owner->GetId() );
3567 event.SetEventObject( m_owner );
3568 event.SetItem( item );
3569 event.SetModel( m_wx_model );
3570 event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3571 event.SetDataSize(gtk_selection_data_get_length(selection_data));
3572 event.SetDataBuffer(const_cast<guchar*>(gtk_selection_data_get_data(selection_data)));
3573 if (!m_owner->HandleWindowEvent( event ))
3574 return FALSE;
3575
3576 if (!event.IsAllowed())
3577 return FALSE;
3578
3579 return TRUE;
3580 }
3581
3582 gboolean
3583 wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
3584 GtkTreePath *path,
3585 GtkSelectionData *selection_data)
3586 {
3587 wxDataViewItem item(GetOwner()->GTKPathToItem(path));
3588 if ( !item )
3589 return FALSE;
3590
3591 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
3592 event.SetEventObject( m_owner );
3593 event.SetItem( item );
3594 event.SetModel( m_wx_model );
3595 event.SetDataFormat(gtk_selection_data_get_target(selection_data));
3596 event.SetDataSize(gtk_selection_data_get_length(selection_data));
3597 if (!m_owner->HandleWindowEvent( event ))
3598 return FALSE;
3599
3600 if (!event.IsAllowed())
3601 return FALSE;
3602
3603 return TRUE;
3604 }
3605
3606 // notifications from wxDataViewModel
3607
3608 bool wxDataViewCtrlInternal::Cleared()
3609 {
3610 if (m_root)
3611 {
3612 delete m_root;
3613 m_root = NULL;
3614 }
3615
3616 InitTree();
3617
3618 ScheduleRefresh();
3619
3620 return true;
3621 }
3622
3623 void wxDataViewCtrlInternal::Resort()
3624 {
3625 if (!m_wx_model->IsVirtualListModel())
3626 m_root->Resort();
3627
3628 ScheduleRefresh();
3629 }
3630
3631 bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
3632 {
3633 if (!m_wx_model->IsVirtualListModel())
3634 {
3635 wxGtkTreeModelNode *parent_node = FindNode( parent );
3636 wxCHECK_MSG(parent_node, false,
3637 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3638
3639 wxDataViewItemArray modelSiblings;
3640 m_wx_model->GetChildren(parent, modelSiblings);
3641 const int modelSiblingsSize = modelSiblings.size();
3642
3643 int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
3644 wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
3645
3646 const wxGtkTreeModelChildren& nodeSiblings = parent_node->GetChildren();
3647 const int nodeSiblingsSize = nodeSiblings.size();
3648
3649 int nodePos = 0;
3650
3651 if ( posInModel == modelSiblingsSize - 1 )
3652 {
3653 nodePos = nodeSiblingsSize;
3654 }
3655 else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
3656 {
3657 // This is the simple case when our node tree already matches the
3658 // model and only this one item is missing.
3659 nodePos = posInModel;
3660 }
3661 else
3662 {
3663 // It's possible that a larger discrepancy between the model and
3664 // our realization exists. This can happen e.g. when adding a bunch
3665 // of items to the model and then calling ItemsAdded() just once
3666 // afterwards. In this case, we must find the right position by
3667 // looking at sibling items.
3668
3669 // append to the end if we won't find a better position:
3670 nodePos = nodeSiblingsSize;
3671
3672 for ( int nextItemPos = posInModel + 1;
3673 nextItemPos < modelSiblingsSize;
3674 nextItemPos++ )
3675 {
3676 int nextNodePos = parent_node->FindChildByItem(modelSiblings[nextItemPos]);
3677 if ( nextNodePos != wxNOT_FOUND )
3678 {
3679 nodePos = nextNodePos;
3680 break;
3681 }
3682 }
3683 }
3684
3685 if (m_wx_model->IsContainer( item ))
3686 parent_node->InsertNode( new wxGtkTreeModelNode( parent_node, item, this ), nodePos );
3687 else
3688 parent_node->InsertLeaf( item.GetID(), nodePos );
3689 }
3690
3691 ScheduleRefresh();
3692
3693 return true;
3694 }
3695
3696 bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
3697 {
3698 if (!m_wx_model->IsVirtualListModel())
3699 {
3700 wxGtkTreeModelNode *parent_node = FindNode( parent );
3701 wxASSERT_MSG(parent_node,
3702 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3703
3704 parent_node->DeleteChild( item.GetID() );
3705 }
3706
3707 ScheduleRefresh();
3708
3709 return true;
3710 }
3711
3712 bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
3713 {
3714 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3715 event.SetEventObject( m_owner );
3716 event.SetModel( m_owner->GetModel() );
3717 event.SetItem( item );
3718 m_owner->HandleWindowEvent( event );
3719
3720 return true;
3721 }
3722
3723 bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int view_column )
3724 {
3725 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
3726 event.SetEventObject( m_owner );
3727 event.SetModel( m_owner->GetModel() );
3728 event.SetColumn( view_column );
3729 event.SetDataViewColumn( GetOwner()->GetColumn(view_column) );
3730 event.SetItem( item );
3731 m_owner->HandleWindowEvent( event );
3732
3733 return true;
3734 }
3735
3736 // GTK+ model iface
3737
3738 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
3739 {
3740 int flags = 0;
3741
3742 if ( m_wx_model->IsListModel() )
3743 flags |= GTK_TREE_MODEL_LIST_ONLY;
3744
3745 if ( !m_wx_model->IsVirtualListModel() )
3746 flags |= GTK_TREE_MODEL_ITERS_PERSIST;
3747
3748 return GtkTreeModelFlags(flags);
3749 }
3750
3751 gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
3752 {
3753
3754 if (m_wx_model->IsVirtualListModel())
3755 {
3756 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3757
3758 unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
3759
3760 if (i >= wx_model->GetCount())
3761 return FALSE;
3762
3763 iter->stamp = m_gtk_model->stamp;
3764 // user_data is just the index +1
3765 iter->user_data = wxUIntToPtr(i+1);
3766
3767 return TRUE;
3768 }
3769 else
3770 {
3771 int depth = gtk_tree_path_get_depth( path );
3772
3773 wxGtkTreeModelNode *node = m_root;
3774
3775 int i;
3776 for (i = 0; i < depth; i++)
3777 {
3778 BuildBranch( node );
3779
3780 gint pos = gtk_tree_path_get_indices (path)[i];
3781 if (pos < 0) return FALSE;
3782 if ((size_t)pos >= node->GetChildCount()) return FALSE;
3783
3784 void* id = node->GetChildren().Item( (size_t) pos );
3785
3786 if (i == depth-1)
3787 {
3788 iter->stamp = m_gtk_model->stamp;
3789 iter->user_data = id;
3790 return TRUE;
3791 }
3792
3793 size_t count = node->GetNodes().GetCount();
3794 size_t pos2;
3795 for (pos2 = 0; pos2 < count; pos2++)
3796 {
3797 wxGtkTreeModelNode *child_node = node->GetNodes().Item( pos2 );
3798 if (child_node->GetItem().GetID() == id)
3799 {
3800 node = child_node;
3801 break;
3802 }
3803 }
3804 }
3805 }
3806
3807 return FALSE;
3808 }
3809
3810 GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
3811 {
3812 // When this is called from ItemDeleted(), the item is already
3813 // deleted in the model.
3814
3815 GtkTreePath *retval = gtk_tree_path_new ();
3816
3817 if (m_wx_model->IsVirtualListModel())
3818 {
3819 // iter is root, add nothing
3820 if (!iter->user_data)
3821 return retval;
3822
3823 // user_data is just the index +1
3824 int i = ( (wxUIntPtr) iter->user_data ) -1;
3825 gtk_tree_path_append_index (retval, i);
3826 }
3827 else
3828 {
3829 void *id = iter->user_data;
3830
3831 wxGtkTreeModelNode *node = FindParentNode( iter );
3832 while (node)
3833 {
3834 int pos = node->GetChildren().Index( id );
3835
3836 gtk_tree_path_prepend_index( retval, pos );
3837
3838 id = node->GetItem().GetID();
3839 node = node->GetParent();
3840 }
3841 }
3842
3843 return retval;
3844 }
3845
3846 gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
3847 {
3848 if (m_wx_model->IsVirtualListModel())
3849 {
3850 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3851
3852 // user_data is just the index +1
3853 int n = ( (wxUIntPtr) iter->user_data ) -1;
3854
3855 if (n == -1)
3856 {
3857 iter->user_data = NULL;
3858 return FALSE;
3859 }
3860
3861 if (n >= (int) wx_model->GetCount()-1)
3862 {
3863 iter->user_data = NULL;
3864 return FALSE;
3865 }
3866
3867 // user_data is just the index +1 (+2 because we need the next)
3868 iter->user_data = wxUIntToPtr(n+2);
3869 }
3870 else
3871 {
3872 wxGtkTreeModelNode *parent = FindParentNode( iter );
3873 if( parent == NULL )
3874 {
3875 iter->user_data = NULL;
3876 return FALSE;
3877 }
3878
3879 int pos = parent->GetChildren().Index( iter->user_data );
3880
3881 if (pos == (int) parent->GetChildCount()-1)
3882 {
3883 iter->user_data = NULL;
3884 return FALSE;
3885 }
3886
3887 iter->user_data = parent->GetChildren().Item( pos+1 );
3888 }
3889
3890 return TRUE;
3891 }
3892
3893 gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
3894 {
3895 if (m_wx_model->IsVirtualListModel())
3896 {
3897 // this is a list, nodes have no children
3898 if (parent)
3899 return FALSE;
3900
3901 iter->stamp = m_gtk_model->stamp;
3902 iter->user_data = (gpointer) 1;
3903
3904 return TRUE;
3905 }
3906 else
3907 {
3908 if (iter == NULL)
3909 {
3910 if (m_root->GetChildCount() == 0) return FALSE;
3911 iter->stamp = m_gtk_model->stamp;
3912 iter->user_data = (gpointer) m_root->GetChildren().Item( 0 );
3913 return TRUE;
3914 }
3915
3916
3917 wxDataViewItem item;
3918 if (parent)
3919 item = wxDataViewItem( (void*) parent->user_data );
3920
3921 if (!m_wx_model->IsContainer( item ))
3922 return FALSE;
3923
3924 wxGtkTreeModelNode *parent_node = FindNode( parent );
3925 wxASSERT_MSG(parent_node,
3926 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3927
3928 BuildBranch( parent_node );
3929
3930 if (parent_node->GetChildCount() == 0)
3931 return FALSE;
3932
3933 iter->stamp = m_gtk_model->stamp;
3934 iter->user_data = (gpointer) parent_node->GetChildren().Item( 0 );
3935 }
3936
3937 return TRUE;
3938 }
3939
3940 gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
3941 {
3942 if (m_wx_model->IsVirtualListModel())
3943 {
3944 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3945
3946 if (iter == NULL)
3947 return (wx_model->GetCount() > 0);
3948
3949 // this is a list, nodes have no children
3950 return FALSE;
3951 }
3952 else
3953 {
3954 if (iter == NULL)
3955 return (m_root->GetChildCount() > 0);
3956
3957 wxDataViewItem item( (void*) iter->user_data );
3958
3959 bool is_container = m_wx_model->IsContainer( item );
3960
3961 if (!is_container)
3962 return FALSE;
3963
3964 wxGtkTreeModelNode *node = FindNode( iter );
3965 wxASSERT_MSG(node,
3966 "Did you forget a call to ItemAdded()? The iterator is unknown to the wxGtkTreeModel");
3967
3968 BuildBranch( node );
3969
3970 return (node->GetChildCount() > 0);
3971 }
3972 }
3973
3974 gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
3975 {
3976 if (m_wx_model->IsVirtualListModel())
3977 {
3978 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
3979
3980 if (iter == NULL)
3981 return (gint) wx_model->GetCount();
3982
3983 return 0;
3984 }
3985 else
3986 {
3987 if (iter == NULL)
3988 return m_root->GetChildCount();
3989
3990 wxDataViewItem item( (void*) iter->user_data );
3991
3992 if (!m_wx_model->IsContainer( item ))
3993 return 0;
3994
3995 wxGtkTreeModelNode *parent_node = FindNode( iter );
3996 wxASSERT_MSG(parent_node,
3997 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
3998
3999 BuildBranch( parent_node );
4000
4001 return parent_node->GetChildCount();
4002 }
4003 }
4004
4005 gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
4006 {
4007 if (m_wx_model->IsVirtualListModel())
4008 {
4009 wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
4010
4011 if (parent)
4012 return FALSE;
4013
4014 if (n < 0)
4015 return FALSE;
4016
4017 if (n >= (gint) wx_model->GetCount())
4018 return FALSE;
4019
4020 iter->stamp = m_gtk_model->stamp;
4021 // user_data is just the index +1
4022 iter->user_data = wxUIntToPtr(n+1);
4023
4024 return TRUE;
4025 }
4026 else
4027 {
4028 void* id = NULL;
4029 if (parent) id = (void*) parent->user_data;
4030 wxDataViewItem item( id );
4031
4032 if (!m_wx_model->IsContainer( item ))
4033 return FALSE;
4034
4035 wxGtkTreeModelNode *parent_node = FindNode( parent );
4036 wxASSERT_MSG(parent_node,
4037 "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
4038
4039 BuildBranch( parent_node );
4040
4041 iter->stamp = m_gtk_model->stamp;
4042 iter->user_data = parent_node->GetChildren().Item( n );
4043
4044 return TRUE;
4045 }
4046 }
4047
4048 gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
4049 {
4050 if (m_wx_model->IsVirtualListModel())
4051 {
4052 return FALSE;
4053 }
4054 else
4055 {
4056 wxGtkTreeModelNode *node = FindParentNode( child );
4057 if (!node)
4058 return FALSE;
4059
4060 iter->stamp = m_gtk_model->stamp;
4061 iter->user_data = (gpointer) node->GetItem().GetID();
4062
4063 return TRUE;
4064 }
4065 }
4066
4067 // item can be deleted already in the model
4068 int wxDataViewCtrlInternal::GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item )
4069 {
4070 if (m_wx_model->IsVirtualListModel())
4071 {
4072 return wxPtrToUInt(item.GetID()) - 1;
4073 }
4074 else
4075 {
4076 wxGtkTreeModelNode *parent_node = FindNode( parent );
4077 wxGtkTreeModelChildren &children = parent_node->GetChildren();
4078 size_t j;
4079 for (j = 0; j < children.GetCount(); j++)
4080 {
4081 if (children[j] == item.GetID())
4082 return j;
4083 }
4084 }
4085 return -1;
4086 }
4087
4088
4089 static wxGtkTreeModelNode*
4090 wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4091 {
4092 if( model == NULL )
4093 return NULL;
4094
4095 ItemList list;
4096 list.DeleteContents( true );
4097 wxDataViewItem it( item );
4098
4099 while( it.IsOk() )
4100 {
4101 wxDataViewItem * pItem = new wxDataViewItem( it );
4102 list.Insert( pItem );
4103 it = model->GetParent( it );
4104 }
4105
4106 wxGtkTreeModelNode * node = treeNode;
4107 for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4108 {
4109 if( node && node->GetNodes().GetCount() != 0 )
4110 {
4111 int len = node->GetNodes().GetCount();
4112 wxGtkTreeModelNodes &nodes = node->GetNodes();
4113 int j = 0;
4114 for( ; j < len; j ++)
4115 {
4116 if( nodes[j]->GetItem() == *(n->GetData()))
4117 {
4118 node = nodes[j];
4119 break;
4120 }
4121 }
4122
4123 if( j == len )
4124 {
4125 return NULL;
4126 }
4127 }
4128 else
4129 return NULL;
4130 }
4131 return node;
4132
4133 }
4134
4135 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( GtkTreeIter *iter )
4136 {
4137 if (!iter)
4138 return m_root;
4139
4140 wxDataViewItem item( (void*) iter->user_data );
4141 if (!item.IsOk())
4142 return m_root;
4143
4144 wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
4145
4146 /*
4147 if (!result)
4148 {
4149 wxLogDebug( "Not found %p", iter->user_data );
4150 char *crash = NULL;
4151 *crash = 0;
4152 }
4153 // TODO: remove this code
4154 */
4155
4156 return result;
4157 }
4158
4159 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( const wxDataViewItem &item )
4160 {
4161 if (!item.IsOk())
4162 return m_root;
4163
4164 wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
4165
4166 /*
4167 if (!result)
4168 {
4169 wxLogDebug( "Not found %p", item.GetID() );
4170 char *crash = NULL;
4171 *crash = 0;
4172 }
4173 // TODO: remove this code
4174 */
4175
4176 return result;
4177 }
4178
4179 static wxGtkTreeModelNode*
4180 wxDataViewCtrlInternal_FindParentNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
4181 {
4182 if( model == NULL )
4183 return NULL;
4184
4185 ItemList list;
4186 list.DeleteContents( true );
4187 if( !item.IsOk() )
4188 return NULL;
4189
4190 wxDataViewItem it( model->GetParent( item ) );
4191 while( it.IsOk() )
4192 {
4193 wxDataViewItem * pItem = new wxDataViewItem( it );
4194 list.Insert( pItem );
4195 it = model->GetParent( it );
4196 }
4197
4198 wxGtkTreeModelNode * node = treeNode;
4199 for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
4200 {
4201 if( node && node->GetNodes().GetCount() != 0 )
4202 {
4203 int len = node->GetNodes().GetCount();
4204 wxGtkTreeModelNodes nodes = node->GetNodes();
4205 int j = 0;
4206 for( ; j < len; j ++)
4207 {
4208 if( nodes[j]->GetItem() == *(n->GetData()))
4209 {
4210 node = nodes[j];
4211 break;
4212 }
4213 }
4214
4215 if( j == len )
4216 {
4217 return NULL;
4218 }
4219 }
4220 else
4221 return NULL;
4222 }
4223 //Examine whether the node is item's parent node
4224 int len = node->GetChildCount();
4225 for( int i = 0; i < len ; i ++ )
4226 {
4227 if( node->GetChildren().Item( i ) == item.GetID() )
4228 return node;
4229 }
4230 return NULL;
4231 }
4232
4233 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( GtkTreeIter *iter )
4234 {
4235 if (!iter)
4236 return NULL;
4237
4238 wxDataViewItem item( (void*) iter->user_data );
4239 if (!item.IsOk())
4240 return NULL;
4241
4242 return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4243 }
4244
4245 wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem &item )
4246 {
4247 if (!item.IsOk())
4248 return NULL;
4249
4250 return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
4251 }
4252
4253 //-----------------------------------------------------------------------------
4254 // wxDataViewCtrl signal callbacks
4255 //-----------------------------------------------------------------------------
4256
4257 static void
4258 wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )
4259 {
4260 if (!gtk_widget_get_realized(dv->m_widget))
4261 return;
4262
4263 wxDataViewEvent event( wxEVT_DATAVIEW_SELECTION_CHANGED, dv->GetId() );
4264 event.SetItem( dv->GetSelection() );
4265 event.SetModel( dv->GetModel() );
4266 dv->HandleWindowEvent( event );
4267 }
4268
4269 static void
4270 wxdataview_row_activated_callback( GtkTreeView* WXUNUSED(treeview), GtkTreePath *path,
4271 GtkTreeViewColumn *WXUNUSED(column), wxDataViewCtrl *dv )
4272 {
4273 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_ACTIVATED, dv->GetId() );
4274
4275 wxDataViewItem item(dv->GTKPathToItem(path));
4276 event.SetItem( item );
4277 event.SetModel( dv->GetModel() );
4278 dv->HandleWindowEvent( event );
4279 }
4280
4281 static gboolean
4282 wxdataview_test_expand_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4283 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4284 {
4285 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_EXPANDING, dv->GetId() );
4286
4287 wxDataViewItem item( (void*) iter->user_data );;
4288 event.SetItem( item );
4289 event.SetModel( dv->GetModel() );
4290 dv->HandleWindowEvent( event );
4291
4292 return !event.IsAllowed();
4293 }
4294
4295 static void
4296 wxdataview_row_expanded_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4297 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4298 {
4299 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_EXPANDED, dv->GetId() );
4300
4301 wxDataViewItem item( (void*) iter->user_data );;
4302 event.SetItem( item );
4303 event.SetModel( dv->GetModel() );
4304 dv->HandleWindowEvent( event );
4305 }
4306
4307 static gboolean
4308 wxdataview_test_collapse_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4309 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4310 {
4311 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_COLLAPSING, dv->GetId() );
4312
4313 wxDataViewItem item( (void*) iter->user_data );;
4314 event.SetItem( item );
4315 event.SetModel( dv->GetModel() );
4316 dv->HandleWindowEvent( event );
4317
4318 return !event.IsAllowed();
4319 }
4320
4321 static void
4322 wxdataview_row_collapsed_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
4323 GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )
4324 {
4325 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_COLLAPSED, dv->GetId() );
4326
4327 wxDataViewItem item( (void*) iter->user_data );;
4328 event.SetItem( item );
4329 event.SetModel( dv->GetModel() );
4330 dv->HandleWindowEvent( event );
4331 }
4332
4333 //-----------------------------------------------------------------------------
4334 // wxDataViewCtrl
4335 //-----------------------------------------------------------------------------
4336
4337 void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)
4338 {
4339 GtkWidget* treeview = GtkGetTreeView();
4340
4341 // Insert widget in GtkTreeView
4342 if (gtk_widget_get_realized(treeview))
4343 gtk_widget_set_parent_window( child->m_widget,
4344 gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
4345 gtk_widget_set_parent( child->m_widget, treeview );
4346 }
4347
4348 static
4349 void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),
4350 GtkAllocation *WXUNUSED(gtk_alloc),
4351 wxDataViewCtrl *win )
4352 {
4353 wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
4354 while (node)
4355 {
4356 wxWindow *child = node->GetData();
4357
4358 GtkRequisition req;
4359 gtk_widget_get_preferred_size(child->m_widget, NULL, &req);
4360
4361 GtkAllocation alloc;
4362 alloc.x = child->m_x;
4363 alloc.y = child->m_y;
4364 alloc.width = child->m_width;
4365 alloc.height = child->m_height;
4366 gtk_widget_size_allocate( child->m_widget, &alloc );
4367
4368 node = node->GetNext();
4369 }
4370 }
4371
4372
4373 //-----------------------------------------------------------------------------
4374 // "motion_notify_event"
4375 //-----------------------------------------------------------------------------
4376
4377 static gboolean
4378 gtk_dataview_motion_notify_callback( GtkWidget *WXUNUSED(widget),
4379 GdkEventMotion *gdk_event,
4380 wxDataViewCtrl *dv )
4381 {
4382 int x = gdk_event->x;
4383 int y = gdk_event->y;
4384 if (gdk_event->is_hint)
4385 {
4386 #ifdef __WXGTK3__
4387 gdk_window_get_device_position(gdk_event->window, gdk_event->device, &x, &y, NULL);
4388 #else
4389 gdk_window_get_pointer(gdk_event->window, &x, &y, NULL);
4390 #endif
4391 }
4392
4393 wxGtkTreePath path;
4394 GtkTreeViewColumn *column = NULL;
4395 gint cell_x = 0;
4396 gint cell_y = 0;
4397 if (gtk_tree_view_get_path_at_pos(
4398 GTK_TREE_VIEW(dv->GtkGetTreeView()),
4399 x, y,
4400 path.ByRef(),
4401 &column,
4402 &cell_x,
4403 &cell_y))
4404 {
4405 if (path)
4406 {
4407 GtkTreeIter iter;
4408 dv->GtkGetInternal()->get_iter( &iter, path );
4409 }
4410 }
4411
4412
4413 return FALSE;
4414 }
4415
4416 //-----------------------------------------------------------------------------
4417 // "button_press_event"
4418 //-----------------------------------------------------------------------------
4419
4420 static gboolean
4421 gtk_dataview_button_press_callback( GtkWidget *WXUNUSED(widget),
4422 GdkEventButton *gdk_event,
4423 wxDataViewCtrl *dv )
4424 {
4425 if ((gdk_event->button == 3) && (gdk_event->type == GDK_BUTTON_PRESS))
4426 {
4427 wxGtkTreePath path;
4428 GtkTreeViewColumn *column = NULL;
4429 gint cell_x = 0;
4430 gint cell_y = 0;
4431 gtk_tree_view_get_path_at_pos
4432 (
4433 GTK_TREE_VIEW(dv->GtkGetTreeView()),
4434 (int) gdk_event->x, (int) gdk_event->y,
4435 path.ByRef(),
4436 &column,
4437 &cell_x,
4438 &cell_y
4439 );
4440
4441 wxDataViewEvent event( wxEVT_DATAVIEW_ITEM_CONTEXT_MENU, dv->GetId() );
4442 if (path)
4443 event.SetItem(dv->GTKPathToItem(path));
4444 event.SetModel( dv->GetModel() );
4445 return dv->HandleWindowEvent( event );
4446 }
4447
4448 return FALSE;
4449 }
4450
4451 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4452
4453 wxDataViewCtrl::~wxDataViewCtrl()
4454 {
4455 // Stop editing before destroying the control to remove any event handlers
4456 // which are added when editing started: if we didn't do this, the base
4457 // class dtor would assert as it checks for any leftover handlers.
4458 if ( m_treeview )
4459 {
4460 GtkTreeViewColumn *col;
4461 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
4462
4463 wxDataViewColumn * const wxcol = FromGTKColumn(col);
4464 if ( wxcol )
4465 {
4466 // This won't do anything if we're not editing it
4467 wxcol->GetRenderer()->CancelEditing();
4468 }
4469
4470 GTKDisconnect(m_treeview);
4471 GtkTreeSelection* selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview));
4472 if (selection)
4473 GTKDisconnect(selection);
4474 }
4475
4476 m_cols.Clear();
4477
4478 delete m_internal;
4479 }
4480
4481 void wxDataViewCtrl::Init()
4482 {
4483 m_treeview = NULL;
4484 m_internal = NULL;
4485
4486 m_cols.DeleteContents( true );
4487
4488 m_uniformRowHeight = -1;
4489 }
4490
4491 bool wxDataViewCtrl::Create(wxWindow *parent,
4492 wxWindowID id,
4493 const wxPoint& pos,
4494 const wxSize& size,
4495 long style,
4496 const wxValidator& validator,
4497 const wxString& name)
4498 {
4499 if (!PreCreation( parent, pos, size ) ||
4500 !CreateBase( parent, id, pos, size, style, validator, name ))
4501 {
4502 wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
4503 return false;
4504 }
4505
4506 m_widget = gtk_scrolled_window_new (NULL, NULL);
4507 g_object_ref(m_widget);
4508
4509 GTKScrolledWindowSetBorder(m_widget, style);
4510
4511 m_treeview = gtk_tree_view_new();
4512 gtk_container_add (GTK_CONTAINER (m_widget), m_treeview);
4513
4514 m_focusWidget = GTK_WIDGET(m_treeview);
4515
4516 g_signal_connect (m_treeview, "size_allocate",
4517 G_CALLBACK (gtk_dataviewctrl_size_callback), this);
4518
4519 bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
4520 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4521
4522 if (style & wxDV_MULTIPLE)
4523 {
4524 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4525 gtk_tree_selection_set_mode( selection, GTK_SELECTION_MULTIPLE );
4526 }
4527
4528 gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(m_treeview), (style & wxDV_NO_HEADER) == 0 );
4529
4530 #ifdef __WXGTK210__
4531 #ifndef __WXGTK3__
4532 if (!gtk_check_version(2,10,0))
4533 #endif
4534 {
4535 GtkTreeViewGridLines grid = GTK_TREE_VIEW_GRID_LINES_NONE;
4536
4537 if ((style & wxDV_HORIZ_RULES) != 0 &&
4538 (style & wxDV_VERT_RULES) != 0)
4539 grid = GTK_TREE_VIEW_GRID_LINES_BOTH;
4540 else if (style & wxDV_VERT_RULES)
4541 grid = GTK_TREE_VIEW_GRID_LINES_VERTICAL;
4542 else if (style & wxDV_HORIZ_RULES)
4543 grid = GTK_TREE_VIEW_GRID_LINES_HORIZONTAL;
4544
4545 if (grid != GTK_TREE_VIEW_GRID_LINES_NONE)
4546 gtk_tree_view_set_grid_lines( GTK_TREE_VIEW(m_treeview), grid );
4547 }
4548 #endif
4549
4550 gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_ROW_LINES) != 0 );
4551
4552 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),
4553 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
4554 gtk_widget_show (m_treeview);
4555
4556 m_parent->DoAddChild( this );
4557
4558 PostCreation(size);
4559
4560 GtkEnableSelectionEvents();
4561
4562 g_signal_connect_after (m_treeview, "row-activated",
4563 G_CALLBACK (wxdataview_row_activated_callback), this);
4564
4565 g_signal_connect (m_treeview, "test-collapse-row",
4566 G_CALLBACK (wxdataview_test_collapse_row_callback), this);
4567
4568 g_signal_connect_after (m_treeview, "row-collapsed",
4569 G_CALLBACK (wxdataview_row_collapsed_callback), this);
4570
4571 g_signal_connect (m_treeview, "test-expand-row",
4572 G_CALLBACK (wxdataview_test_expand_row_callback), this);
4573
4574 g_signal_connect_after (m_treeview, "row-expanded",
4575 G_CALLBACK (wxdataview_row_expanded_callback), this);
4576
4577 g_signal_connect (m_treeview, "motion_notify_event",
4578 G_CALLBACK (gtk_dataview_motion_notify_callback), this);
4579
4580 g_signal_connect (m_treeview, "button_press_event",
4581 G_CALLBACK (gtk_dataview_button_press_callback), this);
4582
4583 return true;
4584 }
4585
4586 wxDataViewItem wxDataViewCtrl::GTKPathToItem(GtkTreePath *path) const
4587 {
4588 GtkTreeIter iter;
4589 return wxDataViewItem(path && m_internal->get_iter(&iter, path)
4590 ? iter.user_data
4591 : NULL);
4592 }
4593
4594 void wxDataViewCtrl::OnInternalIdle()
4595 {
4596 wxWindow::OnInternalIdle();
4597
4598 m_internal->OnInternalIdle();
4599
4600 unsigned int cols = GetColumnCount();
4601 unsigned int i;
4602 for (i = 0; i < cols; i++)
4603 {
4604 wxDataViewColumn *col = GetColumn( i );
4605 col->OnInternalIdle();
4606 }
4607
4608 if (m_ensureVisibleDefered.IsOk())
4609 {
4610 ExpandAncestors(m_ensureVisibleDefered);
4611 GtkTreeIter iter;
4612 iter.user_data = (gpointer) m_ensureVisibleDefered.GetID();
4613 wxGtkTreePath path(m_internal->get_path( &iter ));
4614 gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
4615 m_ensureVisibleDefered = wxDataViewItem(0);
4616 }
4617 }
4618
4619 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4620 {
4621 wxDELETE(m_internal);
4622
4623 if (!wxDataViewCtrlBase::AssociateModel( model ))
4624 return false;
4625
4626 bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
4627 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
4628
4629 m_internal = new wxDataViewCtrlInternal( this, model );
4630
4631 return true;
4632 }
4633
4634 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4635 {
4636 return m_internal->EnableDragSource( format );
4637 }
4638
4639 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4640 {
4641 return m_internal->EnableDropTarget( format );
4642 }
4643
4644 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4645 {
4646 if (!wxDataViewCtrlBase::AppendColumn(col))
4647 return false;
4648
4649 m_cols.Append( col );
4650
4651 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4652 GTK_TREE_VIEW_COLUMN_FIXED)
4653 {
4654 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4655 }
4656
4657 gtk_tree_view_append_column( GTK_TREE_VIEW(m_treeview),
4658 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4659
4660 return true;
4661 }
4662
4663 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4664 {
4665 if (!wxDataViewCtrlBase::PrependColumn(col))
4666 return false;
4667
4668 m_cols.Insert( col );
4669
4670 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4671 GTK_TREE_VIEW_COLUMN_FIXED)
4672 {
4673 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4674 }
4675
4676 gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4677 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), 0 );
4678
4679 return true;
4680 }
4681
4682 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4683 {
4684 if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4685 return false;
4686
4687 m_cols.Insert( pos, col );
4688
4689 if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
4690 GTK_TREE_VIEW_COLUMN_FIXED)
4691 {
4692 gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
4693 }
4694
4695 gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
4696 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), pos );
4697
4698 return true;
4699 }
4700
4701 unsigned int wxDataViewCtrl::GetColumnCount() const
4702 {
4703 return m_cols.GetCount();
4704 }
4705
4706 wxDataViewColumn* wxDataViewCtrl::FromGTKColumn(GtkTreeViewColumn *gtk_col) const
4707 {
4708 if ( !gtk_col )
4709 return NULL;
4710
4711 wxDataViewColumnList::const_iterator iter;
4712 for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4713 {
4714 wxDataViewColumn *col = *iter;
4715 if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)
4716 {
4717 return col;
4718 }
4719 }
4720
4721 wxFAIL_MSG( "No matching column?" );
4722
4723 return NULL;
4724 }
4725
4726 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
4727 {
4728 GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
4729
4730 return FromGTKColumn(gtk_col);
4731 }
4732
4733 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4734 {
4735 gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4736 GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
4737
4738 m_cols.DeleteObject( column );
4739
4740 return true;
4741 }
4742
4743 bool wxDataViewCtrl::ClearColumns()
4744 {
4745 wxDataViewColumnList::iterator iter;
4746 for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)
4747 {
4748 wxDataViewColumn *col = *iter;
4749 gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
4750 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
4751 }
4752
4753 m_cols.Clear();
4754
4755 return true;
4756 }
4757
4758 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4759 {
4760 GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
4761
4762 wxGtkList list(gtk_tree_view_get_columns(GTK_TREE_VIEW(m_treeview)));
4763
4764 return g_list_index( list, (gconstpointer) gtk_column );
4765 }
4766
4767 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4768 {
4769 return m_internal->GetDataViewSortColumn();
4770 }
4771
4772 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4773 {
4774 GtkTreeIter iter;
4775 iter.user_data = item.GetID();
4776 wxGtkTreePath path(m_internal->get_path( &iter ));
4777 gtk_tree_view_expand_row( GTK_TREE_VIEW(m_treeview), path, false );
4778 }
4779
4780 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4781 {
4782 GtkTreeIter iter;
4783 iter.user_data = item.GetID();
4784 wxGtkTreePath path(m_internal->get_path( &iter ));
4785 gtk_tree_view_collapse_row( GTK_TREE_VIEW(m_treeview), path );
4786 }
4787
4788 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4789 {
4790 GtkTreeIter iter;
4791 iter.user_data = item.GetID();
4792 wxGtkTreePath path(m_internal->get_path( &iter ));
4793 return gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path ) != 0;
4794 }
4795
4796 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4797 {
4798 // The tree doesn't have any current item if it hadn't been created yet but
4799 // it's arguably not an error to call this function in this case so just
4800 // return an invalid item without asserting.
4801 if ( !m_treeview )
4802 return wxDataViewItem();
4803
4804 wxGtkTreePath path;
4805 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), path.ByRef(), NULL);
4806
4807 return GTKPathToItem(path);
4808 }
4809
4810 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4811 {
4812 wxCHECK_RET( m_treeview,
4813 "Current item can't be set before creating the control." );
4814
4815 // We need to make sure the model knows about this item or the path would
4816 // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4817 ExpandAncestors(item);
4818
4819 // We also need to preserve the existing selection from changing.
4820 // Unfortunately the only way to do it seems to use our own selection
4821 // function and forbid any selection changes during set cursor call.
4822 wxGtkTreeSelectionLock
4823 lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4824
4825 // Do move the cursor now.
4826 GtkTreeIter iter;
4827 iter.user_data = item.GetID();
4828 wxGtkTreePath path(m_internal->get_path( &iter ));
4829
4830 gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
4831 }
4832
4833 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
4834 {
4835 // The tree doesn't have any current item if it hadn't been created yet but
4836 // it's arguably not an error to call this function in this case so just
4837 // return NULL without asserting.
4838 if ( !m_treeview )
4839 return NULL;
4840
4841 GtkTreeViewColumn *col;
4842 gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
4843 return FromGTKColumn(col);
4844 }
4845
4846 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
4847 {
4848 wxCHECK_RET( m_treeview,
4849 "Current item can't be set before creating the control." );
4850 wxCHECK_RET( item.IsOk(), "invalid item" );
4851 wxCHECK_RET( column, "no column provided" );
4852
4853 // We need to make sure the model knows about this item or the path would
4854 // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
4855 ExpandAncestors(item);
4856
4857 GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
4858
4859 // We also need to preserve the existing selection from changing.
4860 // Unfortunately the only way to do it seems to use our own selection
4861 // function and forbid any selection changes during set cursor call.
4862 wxGtkTreeSelectionLock
4863 lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
4864
4865 // Do move the cursor now.
4866 GtkTreeIter iter;
4867 iter.user_data = item.GetID();
4868 wxGtkTreePath path(m_internal->get_path( &iter ));
4869
4870 gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, gcolumn, TRUE);
4871 }
4872
4873 int wxDataViewCtrl::GetSelectedItemsCount() const
4874 {
4875 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4876
4877 return gtk_tree_selection_count_selected_rows(selection);
4878 }
4879
4880 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4881 {
4882 sel.Clear();
4883
4884 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4885 if (HasFlag(wxDV_MULTIPLE))
4886 {
4887 GtkTreeModel *model;
4888 wxGtkTreePathList list(gtk_tree_selection_get_selected_rows(selection, &model));
4889
4890 for ( GList* current = list; current; current = g_list_next(current) )
4891 {
4892 GtkTreePath *path = (GtkTreePath*) current->data;
4893
4894 sel.Add(GTKPathToItem(path));
4895 }
4896 }
4897 else
4898 {
4899 GtkTreeIter iter;
4900 if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
4901 {
4902 sel.Add( wxDataViewItem(iter.user_data) );
4903 }
4904 }
4905
4906 return sel.size();
4907 }
4908
4909 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4910 {
4911 GtkDisableSelectionEvents();
4912
4913 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4914
4915 gtk_tree_selection_unselect_all( selection );
4916
4917 wxDataViewItem last_parent;
4918
4919 size_t i;
4920 for (i = 0; i < sel.GetCount(); i++)
4921 {
4922 wxDataViewItem item = sel[i];
4923 wxDataViewItem parent = GetModel()->GetParent( item );
4924 if (parent)
4925 {
4926 if (parent != last_parent)
4927 ExpandAncestors(item);
4928 }
4929 last_parent = parent;
4930
4931 GtkTreeIter iter;
4932 iter.stamp = m_internal->GetGtkModel()->stamp;
4933 iter.user_data = (gpointer) item.GetID();
4934 gtk_tree_selection_select_iter( selection, &iter );
4935 }
4936
4937 GtkEnableSelectionEvents();
4938 }
4939
4940 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4941 {
4942 ExpandAncestors(item);
4943
4944 GtkDisableSelectionEvents();
4945
4946 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4947
4948 GtkTreeIter iter;
4949 iter.stamp = m_internal->GetGtkModel()->stamp;
4950 iter.user_data = (gpointer) item.GetID();
4951 gtk_tree_selection_select_iter( selection, &iter );
4952
4953 GtkEnableSelectionEvents();
4954 }
4955
4956 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4957 {
4958 GtkDisableSelectionEvents();
4959
4960 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4961
4962 GtkTreeIter iter;
4963 iter.stamp = m_internal->GetGtkModel()->stamp;
4964 iter.user_data = (gpointer) item.GetID();
4965 gtk_tree_selection_unselect_iter( selection, &iter );
4966
4967 GtkEnableSelectionEvents();
4968 }
4969
4970 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
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
4978 return gtk_tree_selection_iter_is_selected( selection, &iter ) != 0;
4979 }
4980
4981 void wxDataViewCtrl::SelectAll()
4982 {
4983 GtkDisableSelectionEvents();
4984
4985 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4986
4987 gtk_tree_selection_select_all( selection );
4988
4989 GtkEnableSelectionEvents();
4990 }
4991
4992 void wxDataViewCtrl::UnselectAll()
4993 {
4994 GtkDisableSelectionEvents();
4995
4996 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
4997
4998 gtk_tree_selection_unselect_all( selection );
4999
5000 GtkEnableSelectionEvents();
5001 }
5002
5003 void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
5004 const wxDataViewColumn *WXUNUSED(column))
5005 {
5006 m_ensureVisibleDefered = item;
5007 ExpandAncestors(item);
5008
5009 GtkTreeIter iter;
5010 iter.user_data = (gpointer) item.GetID();
5011 wxGtkTreePath path(m_internal->get_path( &iter ));
5012 gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
5013 }
5014
5015 void wxDataViewCtrl::HitTest(const wxPoint& point,
5016 wxDataViewItem& item,
5017 wxDataViewColumn *& column) const
5018 {
5019 // gtk_tree_view_get_dest_row_at_pos() is the right one. But it does not tell the column.
5020 // gtk_tree_view_get_path_at_pos() is the wrong function. It doesn't mind the header but returns column.
5021 // See http://mail.gnome.org/archives/gtkmm-list/2005-January/msg00080.html
5022 // So we have to use both of them.
5023 item = wxDataViewItem(0);
5024 column = NULL;
5025 wxGtkTreePath path, pathScratch;
5026 GtkTreeViewColumn* GtkColumn = NULL;
5027 GtkTreeViewDropPosition pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
5028 gint cell_x = 0;
5029 gint cell_y = 0;
5030
5031 // cannot directly call GtkGetTreeView(), HitTest is const and so is this pointer
5032 wxDataViewCtrl* self = const_cast<wxDataViewCtrl *>(this); // ugly workaround, self is NOT const
5033 GtkTreeView* treeView = GTK_TREE_VIEW(self->GtkGetTreeView());
5034
5035 // is there possibly a better suited function to get the column?
5036 gtk_tree_view_get_path_at_pos( // and this is the wrong call but it delivers the column
5037 treeView,
5038 (int) point.x, (int) point.y,
5039 pathScratch.ByRef(),
5040 &GtkColumn, // here we get the GtkColumn
5041 &cell_x,
5042 &cell_y );
5043
5044 if ( GtkColumn != NULL )
5045 {
5046 // we got GTK column
5047 // the right call now which takes the header into account
5048 gtk_tree_view_get_dest_row_at_pos( treeView, (int) point.x, (int) point.y, path.ByRef(), &pos);
5049
5050 if (path)
5051 item = wxDataViewItem(GTKPathToItem(path));
5052 // else we got a GTK column but the position is not over an item, e.g. below last item
5053 for ( unsigned int i=0, cols=GetColumnCount(); i<cols; ++i ) // search the wx column
5054 {
5055 wxDataViewColumn* col = GetColumn(i);
5056 if ( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == GtkColumn )
5057 {
5058 column = col; // here we get the wx column
5059 break;
5060 }
5061 }
5062 }
5063 // else no column and thus no item, both null
5064 }
5065
5066 wxRect
5067 wxDataViewCtrl::GetItemRect(const wxDataViewItem& WXUNUSED(item),
5068 const wxDataViewColumn *WXUNUSED(column)) const
5069 {
5070 return wxRect();
5071 }
5072
5073 bool wxDataViewCtrl::SetRowHeight(int rowHeight)
5074 {
5075 m_uniformRowHeight = rowHeight;
5076 return true;
5077 }
5078
5079 void wxDataViewCtrl::DoSetExpanderColumn()
5080 {
5081 gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),
5082 GTK_TREE_VIEW_COLUMN( GetExpanderColumn()->GetGtkHandle() ) );
5083 }
5084
5085 void wxDataViewCtrl::DoSetIndent()
5086 {
5087 }
5088
5089 void wxDataViewCtrl::GtkDisableSelectionEvents()
5090 {
5091 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5092 g_signal_handlers_disconnect_by_func( selection,
5093 (gpointer) (wxdataview_selection_changed_callback), this);
5094 }
5095
5096 void wxDataViewCtrl::GtkEnableSelectionEvents()
5097 {
5098 GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
5099 g_signal_connect_after (selection, "changed",
5100 G_CALLBACK (wxdataview_selection_changed_callback), this);
5101 }
5102
5103 // ----------------------------------------------------------------------------
5104 // visual attributes stuff
5105 // ----------------------------------------------------------------------------
5106
5107 // static
5108 wxVisualAttributes
5109 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
5110 {
5111 return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new());
5112 }
5113
5114 void wxDataViewCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
5115 {
5116 wxDataViewCtrlBase::DoApplyWidgetStyle(style);
5117 GTKApplyStyle(m_treeview, style);
5118 }
5119
5120 #endif // !wxUSE_GENERICDATAVIEWCTRL
5121
5122 #endif // wxUSE_DATAVIEWCTRL
wxWidgets (Impactor)