//$Id: examplewindow.cc 836 2007-05-09 03:02:38Z jjongsma $ -*- c++ -*- /* gtkmm example Copyright (C) 2002 gtkmm development team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "examplewindow.h" #include <iostream> ExampleWindow::ExampleWindow() : m_Label("Press a or b to see a list of possible completions and actions."), m_Button_Close("Close") { //set_size_request(200, 100); set_title("Gtk::EntryCompletion"); add(m_VBox); m_VBox.pack_start(m_Entry); m_VBox.pack_start(m_Label, Gtk::PACK_SHRINK); m_Button_Close.signal_clicked().connect( sigc::mem_fun(*this, &ExampleWindow::on_button_close) ); m_VBox.pack_start(m_Button_Close, Gtk::PACK_SHRINK); m_Button_Close.set_flags(Gtk::CAN_DEFAULT); m_Button_Close.grab_default(); //Add an EntryCompletion: Glib::RefPtr<Gtk::EntryCompletion> completion = Gtk::EntryCompletion::create(); m_Entry.set_completion(completion); //Create and fill the completion's filter model Glib::RefPtr<Gtk::ListStore> refCompletionModel = Gtk::ListStore::create(m_Columns); completion->set_model(refCompletionModel); // For more complex comparisons, use a filter match callback, like this. // See the comment below for more details: //completion->set_match_func( sigc::mem_fun(*this, //&ExampleWindow::on_completion_match) ); //Fill the TreeView's model Gtk::TreeModel::Row row = *(refCompletionModel->append()); row[m_Columns.m_col_id] = 1; row[m_Columns.m_col_name] = "Alan Zebedee"; row = *(refCompletionModel->append()); row[m_Columns.m_col_id] = 2; row[m_Columns.m_col_name] = "Adrian Boo"; row = *(refCompletionModel->append()); row[m_Columns.m_col_id] = 3; row[m_Columns.m_col_name] = "Bob McRoberts"; row = *(refCompletionModel->append()); row[m_Columns.m_col_id] = 4; row[m_Columns.m_col_name] = "Bob McBob"; //Tell the completion what model column to use to //- look for a match (when we use the default matching, instead of // set_match_func(). //- display text in the entry when a match is found. completion->set_text_column(m_Columns.m_col_name); //Add actions to the completion: //These are just extra items shown at the bottom of the list of possible //completions. //Remember them for later. m_CompletionActions[0] = "use wizard"; m_CompletionActions[1] = "browse for filename"; for(type_actions_map::iterator iter = m_CompletionActions.begin(); iter != m_CompletionActions.end(); ++iter) { int position = iter->first; Glib::ustring title = iter->second; completion->insert_action_text(title, position); } completion->signal_action_activated().connect( sigc::mem_fun(*this, &ExampleWindow::on_completion_action_activated) ); show_all_children(); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_button_close() { hide(); } /* You can do more complex matching with a handler like this. * For instance, you could check for substrings inside th string instead of the start, * or you could look for the key in extra model columns as well as the model column that will be displayed. * The code here is not actually more complex - it's a reimplementation of the default behaviour. * bool ExampleWindow::on_completion_match(const Glib::ustring& key, const Gtk::TreeModel::const_iterator& iter) { if(iter) { Gtk::TreeModel::Row row = *iter; Glib::ustring::size_type key_length = key.size(); Glib::ustring filter_string = row[m_Columns.m_col_name]; Glib::ustring filter_string_start = filter_string.substr(0, key_length); //The key is lower-case, even if the user input is not. filter_string_start = filter_string_start.lowercase(); if(key == filter_string_start) return true; //A match was found. } return false; //No match. } */ void ExampleWindow::on_completion_action_activated(int index) { type_actions_map::iterator iter = m_CompletionActions.find(index); if(iter != m_CompletionActions.end()) //If it's in the map { Glib::ustring title = iter->second; std::cout << "Action selected: " << title << std::endl; } }