+ wxGtkString atom_str( gdk_atom_name( format ) );
+ m_dropTargetTargetEntryTarget = wxCharBuffer( atom_str );
+
+ m_dropTargetTargetEntry.target = m_dropTargetTargetEntryTarget.data();
+ m_dropTargetTargetEntry.flags = 0;
+ m_dropTargetTargetEntry.info = static_cast<guint>(-1);
+
+ gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
+ &m_dropTargetTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
+
+ return true;
+}
+
+gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
+ GtkTreePath *path )
+{
+ delete m_dragDataObject;
+
+ GtkTreeIter iter;
+ if (!get_iter( &iter, path )) return FALSE;
+ wxDataViewItem item( (void*) iter.user_data );
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( m_wx_model );
+ if (!m_owner->HandleWindowEvent( event ))
+ return FALSE;
+
+ if (!event.IsAllowed())
+ return FALSE;
+
+ wxDataObject *obj = event.GetDataObject();
+ if (!obj)
+ return FALSE;
+
+ m_dragDataObject = obj;
+
+ return TRUE;
+}
+
+gboolean
+wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source),
+ GtkTreePath *WXUNUSED(path))
+{
+ return FALSE;
+}
+
+gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
+ GtkTreePath *path, GtkSelectionData *selection_data )
+{
+ GtkTreeIter iter;
+ if (!get_iter( &iter, path )) return FALSE;
+ wxDataViewItem item( (void*) iter.user_data );
+
+ if (!m_dragDataObject->IsSupported( selection_data->target ))
+ return FALSE;
+
+ size_t size = m_dragDataObject->GetDataSize( selection_data->target );
+ if (size == 0)
+ return FALSE;
+
+ void *buf = malloc( size );
+
+ gboolean res = FALSE;
+ if (m_dragDataObject->GetDataHere( selection_data->target, buf ))
+ {
+ res = TRUE;
+
+ gtk_selection_data_set( selection_data, selection_data->target,
+ 8, (const guchar*) buf, size );
+ }
+
+ free( buf );
+
+ return res;
+}
+
+gboolean
+wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
+ GtkTreePath *path,
+ GtkSelectionData *selection_data)
+{
+ GtkTreeIter iter;
+ if (!get_iter( &iter, path )) return FALSE;
+ wxDataViewItem item( (void*) iter.user_data );
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( m_wx_model );
+ event.SetDataFormat( selection_data->target );
+ event.SetDataSize( selection_data->length );
+ event.SetDataBuffer( selection_data->data );
+ if (!m_owner->HandleWindowEvent( event ))
+ return FALSE;
+
+ if (!event.IsAllowed())
+ return FALSE;
+
+ return TRUE;
+}
+
+gboolean
+wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
+ GtkTreePath *path,
+ GtkSelectionData *selection_data)
+{
+ GtkTreeIter iter;
+ if (!get_iter( &iter, path )) return FALSE;
+ wxDataViewItem item( (void*) iter.user_data );
+
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetItem( item );
+ event.SetModel( m_wx_model );
+ event.SetDataFormat( selection_data->target );
+ if (!m_owner->HandleWindowEvent( event ))
+ return FALSE;
+
+ if (!event.IsAllowed())
+ return FALSE;
+
+ return TRUE;
+}
+
+// notifications from wxDataViewModel
+
+bool wxDataViewCtrlInternal::Cleared()
+{
+ GtkWidget* tree_widget = GetOwner()->GtkGetTreeView();
+ gtk_tree_view_set_model( GTK_TREE_VIEW(tree_widget), NULL );
+ gtk_tree_view_set_model( GTK_TREE_VIEW(tree_widget), GTK_TREE_MODEL(m_gtk_model) );
+
+ if (m_root)
+ {
+ delete m_root;
+ InitTree();
+ }
+
+ return true;
+}
+
+void wxDataViewCtrlInternal::Resort()
+{
+ if (!m_wx_model->IsVirtualListModel())
+ m_root->Resort();
+}
+
+bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
+{
+ if (!m_wx_model->IsVirtualListModel())
+ {
+ wxGtkTreeModelNode *parent_node = FindNode( parent );
+ wxASSERT_MSG(parent_node,
+ "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+
+ if (m_wx_model->IsContainer( item ))
+ parent_node->AddNode( new wxGtkTreeModelNode( parent_node, item, this ) );
+ else
+ parent_node->AddLeave( item.GetID() );
+ }
+
+ return true;
+}
+
+bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
+{
+ if (!m_wx_model->IsVirtualListModel())
+ {
+ wxGtkTreeModelNode *parent_node = FindNode( parent );
+ wxASSERT_MSG(parent_node,
+ "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+
+ parent_node->DeleteChild( item.GetID() );
+ }
+
+ return true;
+}
+
+bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
+{
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetModel( m_owner->GetModel() );
+ event.SetItem( item );
+ m_owner->HandleWindowEvent( event );
+
+ return true;
+}
+
+bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int col )
+{
+ wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
+ event.SetEventObject( m_owner );
+ event.SetModel( m_owner->GetModel() );
+ event.SetColumn( col );
+ event.SetDataViewColumn( GetOwner()->GetColumn(col) );
+ event.SetItem( item );
+ m_owner->HandleWindowEvent( event );
+
+ return true;
+}
+
+// GTK+ model iface
+
+GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
+{
+ if (m_wx_model->IsVirtualListModel())
+ return GTK_TREE_MODEL_LIST_ONLY;
+ else
+ return GTK_TREE_MODEL_ITERS_PERSIST;
+}
+
+gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
+{
+
+ if (m_wx_model->IsVirtualListModel())
+ {
+ wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+
+ unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
+
+ if (i >= wx_model->GetCount())
+ return FALSE;
+
+ iter->stamp = m_gtk_model->stamp;
+ // user_data is just the index +1
+ iter->user_data = (gpointer) (i+1);
+
+ return TRUE;
+ }
+ else
+ {
+ int depth = gtk_tree_path_get_depth( path );
+
+ wxGtkTreeModelNode *node = m_root;
+
+ int i;
+ for (i = 0; i < depth; i++)
+ {
+ BuildBranch( node );
+
+ gint pos = gtk_tree_path_get_indices (path)[i];
+ if (pos < 0) return FALSE;
+ if ((size_t)pos >= node->GetChildCount()) return FALSE;
+
+ void* id = node->GetChildren().Item( (size_t) pos );
+
+ if (i == depth-1)
+ {
+ iter->stamp = m_gtk_model->stamp;
+ iter->user_data = id;
+ return TRUE;
+ }
+
+ size_t count = node->GetNodes().GetCount();
+ size_t pos2;
+ for (pos2 = 0; pos2 < count; pos2++)
+ {
+ wxGtkTreeModelNode *child_node = node->GetNodes().Item( pos2 );
+ if (child_node->GetItem().GetID() == id)
+ {
+ node = child_node;
+ break;
+ }
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
+{
+ // When this is called from ItemDeleted(), the item is already
+ // deleted in the model.
+
+ GtkTreePath *retval = gtk_tree_path_new ();
+
+ if (m_wx_model->IsVirtualListModel())
+ {
+ // user_data is just the index +1
+ int i = ( (wxUIntPtr) iter->user_data ) -1;
+ gtk_tree_path_append_index (retval, i);
+ }
+ else
+ {
+ void *id = iter->user_data;
+
+ wxGtkTreeModelNode *node = FindParentNode( iter );
+ while (node)
+ {
+ int pos = node->GetChildren().Index( id );
+
+ gtk_tree_path_prepend_index( retval, pos );
+
+ id = node->GetItem().GetID();
+ node = node->GetParent();
+ }
+ }
+
+ return retval;
+}
+
+gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
+{
+ if (m_wx_model->IsVirtualListModel())
+ {
+ wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+
+ // user_data is just the index +1
+ int n = ( (wxUIntPtr) iter->user_data ) -1;
+
+ if (n == -1)
+ {
+ iter->user_data = NULL;
+ return FALSE;
+ }
+
+ if (n >= (int) wx_model->GetCount()-1)
+ {
+ iter->user_data = NULL;
+ return FALSE;
+ }
+
+ // user_data is just the index +1 (+2 because we need the next)
+ iter->user_data = (gpointer) (n+2);
+ }
+ else
+ {
+ wxGtkTreeModelNode *parent = FindParentNode( iter );
+ if( parent == NULL )
+ {
+ iter->user_data = NULL;
+ return FALSE;
+ }
+
+ int pos = parent->GetChildren().Index( iter->user_data );
+
+ if (pos == (int) parent->GetChildCount()-1)
+ {
+ iter->user_data = NULL;
+ return FALSE;
+ }
+
+ iter->user_data = parent->GetChildren().Item( pos+1 );
+ }
+
+ return TRUE;
+}
+
+gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
+{
+ if (m_wx_model->IsVirtualListModel())
+ {
+ // this is a list, nodes have no children
+ if (parent)
+ return FALSE;
+
+ iter->stamp = m_gtk_model->stamp;
+ iter->user_data = (gpointer) 1;
+
+ return TRUE;
+ }
+ else
+ {
+ if (iter == NULL)
+ {
+ if (m_root->GetChildCount() == 0) return FALSE;
+ iter->stamp = m_gtk_model->stamp;
+ iter->user_data = (gpointer) m_root->GetChildren().Item( 0 );
+ return TRUE;
+ }
+
+ wxDataViewItem item( (void*) parent->user_data );
+
+ if (!m_wx_model->IsContainer( item ))
+ return FALSE;
+
+ wxGtkTreeModelNode *parent_node = FindNode( parent );
+ wxASSERT_MSG(parent_node,
+ "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+
+ BuildBranch( parent_node );
+
+ if (parent_node->GetChildCount() == 0)
+ return FALSE;
+
+ iter->stamp = m_gtk_model->stamp;
+ iter->user_data = (gpointer) parent_node->GetChildren().Item( 0 );
+ }
+
+ return TRUE;
+}
+
+gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
+{
+ if (m_wx_model->IsVirtualListModel())
+ {
+ wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+
+ if (iter == NULL)
+ return (wx_model->GetCount() > 0);
+
+ // this is a list, nodes have no children
+ return FALSE;
+ }
+ else
+ {
+ if (iter == NULL)
+ return (m_root->GetChildCount() > 0);
+
+ wxDataViewItem item( (void*) iter->user_data );
+
+ bool is_container = m_wx_model->IsContainer( item );
+
+ if (!is_container)
+ return FALSE;
+
+ wxGtkTreeModelNode *node = FindNode( iter );
+ wxASSERT_MSG(node,
+ "Did you forget a call to ItemAdded()? The iterator is unknown to the wxGtkTreeModel");
+
+ BuildBranch( node );
+
+ return (node->GetChildCount() > 0);
+ }
+}
+
+gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
+{
+ if (m_wx_model->IsVirtualListModel())
+ {
+ wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+
+ if (iter == NULL)
+ return (gint) wx_model->GetCount();
+
+ return 0;
+ }
+ else
+ {
+ if (iter == NULL)
+ return m_root->GetChildCount();
+
+ wxDataViewItem item( (void*) iter->user_data );
+
+ if (!m_wx_model->IsContainer( item ))
+ return 0;
+
+ wxGtkTreeModelNode *parent_node = FindNode( iter );
+ wxASSERT_MSG(parent_node,
+ "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+
+ BuildBranch( parent_node );
+
+ return parent_node->GetChildCount();
+ }
+}
+
+gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
+{
+ if (m_wx_model->IsVirtualListModel())
+ {
+ wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+
+ if (parent)
+ return FALSE;
+
+ if (n < 0)
+ return FALSE;
+
+ if (n >= (gint) wx_model->GetCount())
+ return FALSE;
+
+ iter->stamp = m_gtk_model->stamp;
+ // user_data is just the index +1
+ iter->user_data = (gpointer) (n+1);
+
+ return TRUE;
+ }
+ else
+ {
+ void* id = NULL;
+ if (parent) id = (void*) parent->user_data;
+ wxDataViewItem item( id );
+
+ if (!m_wx_model->IsContainer( item ))
+ return FALSE;
+
+ wxGtkTreeModelNode *parent_node = FindNode( parent );
+ wxASSERT_MSG(parent_node,
+ "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+
+ BuildBranch( parent_node );
+
+ iter->stamp = m_gtk_model->stamp;
+ iter->user_data = parent_node->GetChildren().Item( n );
+
+ return TRUE;
+ }
+}
+
+gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
+{
+ if (m_wx_model->IsVirtualListModel())
+ {
+ return FALSE;
+ }
+ else
+ {
+ wxGtkTreeModelNode *node = FindParentNode( child );
+ if (!node)
+ return FALSE;
+
+ iter->stamp = m_gtk_model->stamp;
+ iter->user_data = (gpointer) node->GetItem().GetID();
+
+ return TRUE;
+ }
+}
+
+// item can be deleted already in the model
+int wxDataViewCtrlInternal::GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item )
+{
+ wxGtkTreeModelNode *parent_node = FindNode( parent );
+ wxGtkTreeModelChildren &children = parent_node->GetChildren();
+ size_t j;
+ for (j = 0; j < children.GetCount(); j++)
+ {
+ if (children[j] == item.GetID())
+ return j;
+ }
+ return -1;
+}
+
+
+static wxGtkTreeModelNode*
+wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
+{
+ if( model == NULL )
+ return NULL;
+
+ ItemList list;
+ list.DeleteContents( true );
+ wxDataViewItem it( item );
+
+ while( it.IsOk() )
+ {
+ wxDataViewItem * pItem = new wxDataViewItem( it );
+ list.Insert( pItem );
+ it = model->GetParent( it );
+ }
+
+ wxGtkTreeModelNode * node = treeNode;
+ for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
+ {
+ if( node && node->GetNodes().GetCount() != 0 )
+ {
+ int len = node->GetNodes().GetCount();
+ wxGtkTreeModelNodes &nodes = node->GetNodes();
+ int j = 0;
+ for( ; j < len; j ++)
+ {
+ if( nodes[j]->GetItem() == *(n->GetData()))
+ {
+ node = nodes[j];
+ break;
+ }
+ }
+
+ if( j == len )
+ {
+ return NULL;
+ }
+ }
+ else
+ return NULL;
+ }
+ return node;
+
+}
+
+wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( GtkTreeIter *iter )
+{
+ if (!iter)
+ return m_root;
+
+ wxDataViewItem item( (void*) iter->user_data );
+ if (!item.IsOk())
+ return m_root;
+
+ wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
+
+/*
projects / wxWidgets.git / blobdiff