void wxListBox::DoSetSelection( int n, bool select )
{
wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
wxGtkEventsDisabler<wxListBox> noEvents(this);
GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
// passing -1 to SetSelection() is documented to deselect all items
if ( n == wxNOT_FOUND )
{
gtk_tree_selection_unselect_all(selection);
return;
}
wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetSelection") );
GtkTreeIter iter;
wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("Invalid index") );
if (select)
gtk_tree_selection_select_iter(selection, &iter);
else
gtk_tree_selection_unselect_iter(selection, &iter);
wxGtkTreePath path(
gtk_tree_model_get_path(GTK_TREE_MODEL(m_liststore), &iter));
gtk_tree_view_scroll_to_cell(m_treeview, path, NULL, FALSE, 0.0f, 0.0f);
}
// get GtkTreeEntry from position (note: you need to g_unref it if valid)
wxTreeEntry* wxListBox::GTKGetEntry(unsigned n) const
{
GtkTreeIter iter;
if ( !GTKGetIteratorFor(n, &iter) )
return NULL;
return GetEntry(m_liststore, &iter, this);
}
bool wxListBox::IsSelected( int n ) const
{
wxCHECK_MSG( m_treeview != NULL, false, wxT("invalid listbox") );
GtkTreeSelection* selection = gtk_tree_view_get_selection(m_treeview);
GtkTreeIter iter;
wxCHECK_MSG( GTKGetIteratorFor(n, &iter), false, wxT("Invalid index") );
return gtk_tree_selection_iter_is_selected(selection, &iter) != 0;
}
// get GtkTreeEntry from position (note: you need to g_unref it if valid)
GtkTreeEntry *wxListBox::GTKGetEntry(unsigned n) const
{
GtkTreeIter iter;
if ( !GTKGetIteratorFor(n, &iter) )
return NULL;
GtkTreeEntry* entry = NULL;
gtk_tree_model_get(GTK_TREE_MODEL(m_liststore), &iter,
WXLISTBOX_DATACOLUMN, &entry, -1);
return entry;
}
void wxListBox::DoDeleteOneItem(unsigned int n)
{
wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
InvalidateBestSize();
wxGtkEventsDisabler<wxListBox> noEvents(this);
GtkTreeIter iter;
wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("wrong listbox index") );
// this returns false if iter is invalid (e.g. deleting item at end) but
// since we don't use iter, we ignore the return value
gtk_list_store_remove(m_liststore, &iter);
}
void wxListBox::SetString(unsigned int n, const wxString& label)
{
wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
GtkTreeIter iter;
wxCHECK_RET(GTKGetIteratorFor(n, &iter), "invalid index");
wxTreeEntry* entry = GetEntry(m_liststore, &iter, this);
// update the item itself
wx_tree_entry_set_label(entry, wxGTK_CONV(label));
// signal row changed
GtkTreeModel* tree_model = GTK_TREE_MODEL(m_liststore);
wxGtkTreePath path(gtk_tree_model_get_path(tree_model, &iter));
gtk_tree_model_row_changed(tree_model, path, &iter);
}
void wxListBox::SetString(unsigned int n, const wxString& label)
{
wxCHECK_RET( IsValid(n), wxT("invalid index in wxListBox::SetString") );
wxCHECK_RET( m_treeview != NULL, wxT("invalid listbox") );
GtkTreeEntry* entry = GTKGetEntry(n);
wxCHECK_RET( entry, wxT("wrong listbox index") );
// update the item itself
gtk_tree_entry_set_label(entry, wxGTK_CONV(label));
// and update the model which will refresh the tree too
GtkTreeIter iter;
wxCHECK_RET( GTKGetIteratorFor(n, &iter), wxT("failed to get iterator") );
// FIXME: this resets the checked status of a wxCheckListBox item
GTKSetItem(iter, entry);
}
int wxListBox::DoInsertItems(const wxArrayStringsAdapter& items,
unsigned int pos,
void **clientData,
wxClientDataType type)
{
wxCHECK_MSG( m_treeview != NULL, wxNOT_FOUND, wxT("invalid listbox") );
InvalidateBestSize();
GtkTreeIter* pIter = NULL; // append by default
GtkTreeIter iter;
if ( pos != GetCount() )
{
wxCHECK_MSG( GTKGetIteratorFor(pos, &iter), wxNOT_FOUND,
wxT("internal wxListBox error in insertion") );
pIter = &iter;
}
const unsigned int numItems = items.GetCount();
for ( unsigned int i = 0; i < numItems; ++i )
{
GtkTreeEntry* entry = gtk_tree_entry_new();
gtk_tree_entry_set_label(entry, wxGTK_CONV(items[i]));
gtk_tree_entry_set_destroy_func(entry,
(GtkTreeEntryDestroy)gtk_tree_entry_destroy_cb,
this);
GtkTreeIter itercur;
gtk_list_store_insert_before(m_liststore, &itercur, pIter);
GTKSetItem(itercur, entry);
g_object_unref (entry);
if (clientData)
AssignNewItemClientData(GTKGetIndexFor(itercur), clientData, i, type);
}
UpdateOldSelections();
return pos + numItems - 1;
}
void wxListBox::DoScrollToCell(int n, float alignY, float alignX)
{
wxCHECK_RET( m_treeview, wxT("invalid listbox") );
wxCHECK_RET( IsValid(n), wxT("invalid index"));
//RN: I have no idea why this line is needed...
if (gtk_widget_has_grab(GTK_WIDGET(m_treeview)))
return;
GtkTreeIter iter;
if ( !GTKGetIteratorFor(n, &iter) )
return;
wxGtkTreePath path(
gtk_tree_model_get_path(GTK_TREE_MODEL(m_liststore), &iter));
// Scroll to the desired cell (0.0 == topleft alignment)
gtk_tree_view_scroll_to_cell(m_treeview, path, NULL,
TRUE, alignY, alignX);
}
