1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxDataViewCtrl GTK+2 implementation
4 // Author: Robert Roebling
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
15 #if wxUSE_DATAVIEWCTRL
17 #include "wx/dataview.h"
18 #include "wx/stockitem.h"
20 #include "wx/gtk/private.h"
21 #include "wx/gtk/win_gtk.h"
23 #include <gobject/gvaluecollector.h>
24 #include <gtk/gtktreemodel.h>
25 #include <gtk/gtktreednd.h>
27 //-----------------------------------------------------------------------------
29 //-----------------------------------------------------------------------------
33 //-----------------------------------------------------------------------------
35 //-----------------------------------------------------------------------------
37 extern void wxapp_install_idle_handler();
40 //-----------------------------------------------------------------------------
42 //-----------------------------------------------------------------------------
44 extern bool g_blockEventsOnDrag
;
46 //-----------------------------------------------------------------------------
47 // define new GTK+ class wxGtkListStore
48 //-----------------------------------------------------------------------------
52 #define GTK_TYPE_WX_LIST_STORE (gtk_wx_list_store_get_type ())
53 #define GTK_WX_LIST_STORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_LIST_STORE, GtkWxListStore))
54 #define GTK_WX_LIST_STORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_LIST_STORE, GtkWxListStoreClass))
55 #define GTK_IS_WX_LIST_STORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_LIST_STORE))
56 #define GTK_IS_WX_LIST_STORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_LIST_STORE))
57 #define GTK_WX_LIST_STORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_LIST_STORE, GtkWxListStoreClass))
59 GType
gtk_wx_list_store_get_type (void);
61 typedef struct _GtkWxListStore GtkWxListStore
;
62 typedef struct _GtkWxListStoreClass GtkWxListStoreClass
;
64 struct _GtkWxListStore
70 wxDataViewListModel
*model
;
73 struct _GtkWxListStoreClass
75 GObjectClass parent_class
;
79 static GtkWxListStore
*wxgtk_list_store_new ();
80 static void wxgtk_list_store_init (GtkWxListStore
*list_store
);
81 static void wxgtk_list_store_class_init (GtkWxListStoreClass
*klass
);
82 static void wxgtk_list_store_tree_model_init (GtkTreeModelIface
*iface
);
83 static void wxgtk_list_store_finalize (GObject
*object
);
84 static GtkTreeModelFlags
wxgtk_list_store_get_flags (GtkTreeModel
*tree_model
);
85 static gint
wxgtk_list_store_get_n_columns (GtkTreeModel
*tree_model
);
86 static GType
wxgtk_list_store_get_column_type (GtkTreeModel
*tree_model
,
88 static gboolean
wxgtk_list_store_get_iter (GtkTreeModel
*tree_model
,
91 static GtkTreePath
*wxgtk_list_store_get_path (GtkTreeModel
*tree_model
,
93 static void wxgtk_list_store_get_value (GtkTreeModel
*tree_model
,
97 static gboolean
wxgtk_list_store_iter_next (GtkTreeModel
*tree_model
,
99 static gboolean
wxgtk_list_store_iter_children (GtkTreeModel
*tree_model
,
101 GtkTreeIter
*parent
);
102 static gboolean
wxgtk_list_store_iter_has_child (GtkTreeModel
*tree_model
,
104 static gint
wxgtk_list_store_iter_n_children (GtkTreeModel
*tree_model
,
106 static gboolean
wxgtk_list_store_iter_nth_child (GtkTreeModel
*tree_model
,
110 static gboolean
wxgtk_list_store_iter_parent (GtkTreeModel
*tree_model
,
114 static GObjectClass
*parent_class
= NULL
;
117 gtk_wx_list_store_get_type (void)
119 static GType list_store_type
= 0;
121 if (!list_store_type
)
123 static const GTypeInfo list_store_info
=
125 sizeof (GtkWxListStoreClass
),
126 NULL
, /* base_init */
127 NULL
, /* base_finalize */
128 (GClassInitFunc
) wxgtk_list_store_class_init
,
129 NULL
, /* class_finalize */
130 NULL
, /* class_data */
131 sizeof (GtkWxListStore
),
133 (GInstanceInitFunc
) wxgtk_list_store_init
,
136 static const GInterfaceInfo tree_model_info
=
138 (GInterfaceInitFunc
) wxgtk_list_store_tree_model_init
,
143 list_store_type
= g_type_register_static (G_TYPE_OBJECT
, "GtkWxListStore",
144 &list_store_info
, (GTypeFlags
)0 );
146 g_type_add_interface_static (list_store_type
,
151 return list_store_type
;
154 static GtkWxListStore
*
155 wxgtk_list_store_new()
157 GtkWxListStore
*retval
= (GtkWxListStore
*) g_object_new (GTK_TYPE_WX_LIST_STORE
, NULL
);
162 wxgtk_list_store_class_init (GtkWxListStoreClass
*klass
)
164 GObjectClass
*object_class
;
165 parent_class
= (GObjectClass
*) g_type_class_peek_parent (klass
);
166 object_class
= (GObjectClass
*) klass
;
167 object_class
->finalize
= wxgtk_list_store_finalize
;
171 wxgtk_list_store_tree_model_init (GtkTreeModelIface
*iface
)
173 iface
->get_flags
= wxgtk_list_store_get_flags
;
174 iface
->get_n_columns
= wxgtk_list_store_get_n_columns
;
175 iface
->get_column_type
= wxgtk_list_store_get_column_type
;
176 iface
->get_iter
= wxgtk_list_store_get_iter
;
177 iface
->get_path
= wxgtk_list_store_get_path
;
178 iface
->get_value
= wxgtk_list_store_get_value
;
179 iface
->iter_next
= wxgtk_list_store_iter_next
;
180 iface
->iter_children
= wxgtk_list_store_iter_children
;
181 iface
->iter_has_child
= wxgtk_list_store_iter_has_child
;
182 iface
->iter_n_children
= wxgtk_list_store_iter_n_children
;
183 iface
->iter_nth_child
= wxgtk_list_store_iter_nth_child
;
184 iface
->iter_parent
= wxgtk_list_store_iter_parent
;
188 wxgtk_list_store_init (GtkWxListStore
*list_store
)
190 list_store
->model
= NULL
;
191 list_store
->stamp
= g_random_int();
195 wxgtk_list_store_finalize (GObject
*object
)
197 /* GtkWxListStore *list_store = GTK_WX_LIST_STORE (object); */
199 /* we need to sort out, which class deletes what */
200 /* delete list_store->model; */
203 (* parent_class
->finalize
) (object
);
208 //-----------------------------------------------------------------------------
209 // implement callbacks from wxGtkListStore class by letting
210 // them call the methods of wxWidgets' wxDataViewListModel
211 //-----------------------------------------------------------------------------
213 static GtkTreeModelFlags
214 wxgtk_list_store_get_flags (GtkTreeModel
*tree_model
)
216 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), (GtkTreeModelFlags
)0 );
218 // GTK+ list store uses a linked list for storing the
219 // items and a pointer to a child is used as the member
220 // field of a GtkTreeIter. This means that the iter is
221 // valid in the GtkListStore as long as the child exists.
222 // We use the index of the row and since the index of a
223 // specific row will change if a row above is deleted,
224 // the iter does not persist
225 return /* GTK_TREE_MODEL_ITERS_PERSIST | */ GTK_TREE_MODEL_LIST_ONLY
;
229 wxgtk_list_store_get_n_columns (GtkTreeModel
*tree_model
)
231 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
232 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), 0);
234 return list_store
->model
->GetNumberOfCols();
238 wxgtk_list_store_get_column_type (GtkTreeModel
*tree_model
,
241 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
242 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), G_TYPE_INVALID
);
244 GType gtype
= G_TYPE_INVALID
;
246 wxString wxtype
= list_store
->model
->GetColType( (size_t) index
);
248 if (wxtype
== wxT("string"))
249 gtype
= G_TYPE_STRING
;
255 wxgtk_list_store_get_iter (GtkTreeModel
*tree_model
,
259 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
260 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), FALSE
);
261 g_return_val_if_fail (gtk_tree_path_get_depth (path
) > 0, FALSE
);
263 size_t i
= (size_t)gtk_tree_path_get_indices (path
)[0];
265 if (i
>= list_store
->model
->GetNumberOfRows())
268 iter
->stamp
= list_store
->stamp
;
269 // user_data is just the index
270 iter
->user_data
= (gpointer
) i
;
276 wxgtk_list_store_get_path (GtkTreeModel
*tree_model
,
279 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), NULL
);
280 g_return_val_if_fail (iter
->stamp
== GTK_WX_LIST_STORE (tree_model
)->stamp
, NULL
);
282 GtkTreePath
*retval
= gtk_tree_path_new ();
283 // user_data is just the index
284 int i
= (int) iter
->user_data
;
285 gtk_tree_path_append_index (retval
, i
);
290 wxgtk_list_store_get_value (GtkTreeModel
*tree_model
,
295 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
296 g_return_if_fail (GTK_IS_WX_LIST_STORE (tree_model
) );
298 wxDataViewListModel
*model
= list_store
->model
;
299 wxString mtype
= model
->GetColType( (size_t) column
);
300 if (mtype
== wxT("string"))
302 g_value_init( value
, G_TYPE_STRING
);
303 wxVariant variant
= model
->GetValue( (size_t) column
, (size_t) iter
->user_data
);
304 g_value_set_string( value
, wxGTK_CONV(variant
.GetString()) );
311 GtkTreeDataList
*list
;
312 gint tmp_column
= column
;
314 g_return_if_fail (column
< GTK_LIST_STORE (tree_model
)->n_columns
);
315 g_return_if_fail (GTK_LIST_STORE (tree_model
)->stamp
== iter
->stamp
);
317 list
= G_SLIST (iter
->user_data
)->data
;
319 while (tmp_column
-- > 0 && list
)
323 g_value_init (value
, GTK_LIST_STORE (tree_model
)->column_headers
[column
]);
325 _gtk_tree_data_list_node_to_value (list
,
326 GTK_LIST_STORE (tree_model
)->column_headers
[column
],
333 wxgtk_list_store_iter_next (GtkTreeModel
*tree_model
,
336 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), FALSE
);
337 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
339 g_return_val_if_fail (list_store
->stamp
== iter
->stamp
, FALSE
);
341 int n
= (int) iter
->user_data
;
346 if (n
>= (int) list_store
->model
->GetNumberOfRows())
349 iter
->user_data
= (gpointer
) ++n
;
355 wxgtk_list_store_iter_children (GtkTreeModel
*tree_model
,
359 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), FALSE
);
360 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
362 // this is a list, nodes have no children
366 iter
->stamp
= list_store
->stamp
;
367 iter
->user_data
= (gpointer
) -1;
373 wxgtk_list_store_iter_has_child (GtkTreeModel
*tree_model
,
380 wxgtk_list_store_iter_n_children (GtkTreeModel
*tree_model
,
383 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), -1);
384 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
387 return (gint
) list_store
->model
->GetNumberOfRows();
389 g_return_val_if_fail (list_store
->stamp
== iter
->stamp
, -1);
395 wxgtk_list_store_iter_nth_child (GtkTreeModel
*tree_model
,
400 g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model
), FALSE
);
401 GtkWxListStore
*list_store
= (GtkWxListStore
*) tree_model
;
409 if (n
>= (gint
) list_store
->model
->GetNumberOfRows())
412 iter
->stamp
= list_store
->stamp
;
413 iter
->user_data
= (gpointer
) n
;
419 wxgtk_list_store_iter_parent (GtkTreeModel
*tree_model
,
426 // ---------------------------------------------------------
427 // wxGtkDataViewListModelNotifier
428 // ---------------------------------------------------------
430 class wxGtkDataViewListModelNotifier
: public wxDataViewListModelNotifier
433 wxGtkDataViewListModelNotifier( GtkWxListStore
* gtk_store
, wxDataViewListModel
*wx_model
);
435 virtual bool RowAppended();
436 virtual bool RowPrepended();
437 virtual bool RowInserted( size_t before
);
438 virtual bool RowDeleted( size_t row
);
439 virtual bool RowChanged( size_t row
);
440 virtual bool ValueChanged( size_t row
, size_t col
);
441 virtual bool Cleared();
443 GtkWxListStore
*m_gtk_store
;
444 wxDataViewListModel
*m_wx_model
;
447 // ---------------------------------------------------------
448 // wxGtkDataViewListModelNotifier
449 // ---------------------------------------------------------
451 wxGtkDataViewListModelNotifier::wxGtkDataViewListModelNotifier(
452 GtkWxListStore
* gtk_store
, wxDataViewListModel
*wx_model
)
454 m_gtk_store
= gtk_store
;
455 m_wx_model
= wx_model
;
458 bool wxGtkDataViewListModelNotifier::RowAppended()
460 size_t pos
= m_wx_model
->GetNumberOfRows()-1;
463 iter
.stamp
= m_gtk_store
->stamp
;
464 iter
.user_data
= (gpointer
) pos
;
466 GtkTreePath
*path
= gtk_tree_path_new ();
467 gtk_tree_path_append_index (path
, (gint
) pos
);
468 gtk_tree_model_row_inserted (GTK_TREE_MODEL (m_gtk_store
), path
, &iter
);
469 gtk_tree_path_free (path
);
474 bool wxGtkDataViewListModelNotifier::RowPrepended()
479 bool wxGtkDataViewListModelNotifier::RowInserted( size_t before
)
484 bool wxGtkDataViewListModelNotifier::RowDeleted( size_t row
)
489 bool wxGtkDataViewListModelNotifier::RowChanged( size_t row
)
494 bool wxGtkDataViewListModelNotifier::ValueChanged( size_t row
, size_t col
)
499 bool wxGtkDataViewListModelNotifier::Cleared()
505 //-----------------------------------------------------------------------------
507 //-----------------------------------------------------------------------------
509 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl
, wxDataViewCtrlBase
)
511 wxDataViewCtrl::~wxDataViewCtrl()
515 void wxDataViewCtrl::Init()
519 bool wxDataViewCtrl::Create(wxWindow
*parent
, wxWindowID id
,
520 const wxPoint
& pos
, const wxSize
& size
,
521 long style
, const wxValidator
& validator
)
526 m_acceptsFocus
= TRUE
;
528 if (!PreCreation( parent
, pos
, size
) ||
529 !CreateBase( parent
, id
, pos
, size
, style
, validator
))
531 wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
535 m_widget
= gtk_tree_view_new();
537 m_parent
->DoAddChild( this );
544 bool wxDataViewCtrl::AppendStringColumn( const wxString
&label
)
546 GtkCellRenderer
*renderer
547 = gtk_cell_renderer_text_new();
549 GtkTreeViewColumn
*column
550 = gtk_tree_view_column_new_with_attributes( wxGTK_CONV(label
), renderer
, "text", -1, NULL
);
552 gtk_tree_view_append_column( GTK_TREE_VIEW(m_widget
), column
);
557 bool wxDataViewCtrl::AssociateModel( wxDataViewListModel
*model
)
559 if (!wxDataViewCtrlBase::AssociateModel( model
))
562 GtkWxListStore
*gtk_store
= wxgtk_list_store_new();
563 gtk_store
->model
= model
;
565 wxGtkDataViewListModelNotifier
*notifier
=
566 new wxGtkDataViewListModelNotifier( gtk_store
, model
);
568 model
->SetNotifier( notifier
);
570 gtk_tree_view_set_model( GTK_TREE_VIEW(m_widget
), GTK_TREE_MODEL(gtk_store
) );
576 #endif // wxUSE_DATAVIEWCTRL