//$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 "labeledoptionmenu.h" #include ExampleWindow::ExampleWindow() : m_VBox2(false, 20), m_VBox_HScale(false, 10), m_HBox_Scales(false, 10), m_HBox_Digits(false, 10), m_HBox_PageSize(false, 10), // value, lower, upper, step_increment, page_increment, page_size // note that the page_size value only makes a difference for // scrollbar widgets, and the highest value you'll get is actually // (upper - page_size). m_adjustment(0.0, 0.0, 101.0, 0.1, 1.0, 1.0), m_adjustment_digits(1.0, 0.0, 5.0), m_adjustment_pagesize(1.0, 1.0, 101.0), m_VScale(m_adjustment), m_HScale(m_adjustment), m_Scale_Digits(m_adjustment_digits), m_Scale_PageSize(m_adjustment_pagesize), // a checkbutton to control whether the value is displayed or not m_CheckButton("Display value on scale widgets", 0), // reuse the same adjustment again m_Scrollbar(m_adjustment), // notice how this causes the scales to always be update // continuously when the scrollbar is moved m_Button_Quit("Quit") { set_title("range controls"); //VScale: m_VScale.set_update_policy(Gtk::UPDATE_CONTINUOUS); m_VScale.set_digits(1); m_VScale.set_value_pos(Gtk::POS_TOP); m_VScale.set_draw_value(); //HScale: m_HScale.set_update_policy(Gtk::UPDATE_CONTINUOUS); m_HScale.set_digits(1); m_HScale.set_value_pos(Gtk::POS_TOP); m_HScale.set_draw_value(); m_HScale.set_size_request(200, 30); add(m_VBox_Top); m_VBox_Top.pack_start(m_VBox2); m_VBox2.set_border_width(10); m_VBox2.pack_start(m_HBox_Scales); //Put VScale and HScale (above scrollbar) side-by-side. m_HBox_Scales.pack_start(m_VScale); m_HBox_Scales.pack_start(m_VBox_HScale); m_VBox_HScale.pack_start(m_HScale); //Scrollbar: m_Scrollbar.set_update_policy(Gtk::UPDATE_CONTINUOUS); m_VBox_HScale.pack_start(m_Scrollbar); //CheckButton: m_CheckButton.set_active(); m_CheckButton.signal_toggled().connect( sigc::mem_fun(*this, &ExampleWindow::on_checkbutton_toggled) ); m_VBox2.pack_start(m_CheckButton); //OptionMenus: { using namespace Gtk::Menu_Helpers; MenuList& list_vpos = m_Menu_Position.items(); list_vpos.push_back( MenuElem("Top", sigc::bind(sigc::mem_fun(*this, &ExampleWindow::on_menu_position), Gtk::POS_TOP))); list_vpos.push_back( MenuElem("Bottom", sigc::bind(sigc::mem_fun(*this, &ExampleWindow::on_menu_position), Gtk::POS_BOTTOM))); list_vpos.push_back( MenuElem("Left", sigc::bind(sigc::mem_fun(*this, &ExampleWindow::on_menu_position), Gtk::POS_LEFT))); list_vpos.push_back( MenuElem("Right", sigc::bind(sigc::mem_fun(*this, &ExampleWindow::on_menu_position), Gtk::POS_RIGHT))); m_VBox2.pack_start( *Gtk::manage(new LabeledOptionMenu("Scale Value Position:", m_Menu_Position))); MenuList& list_upd = m_Menu_Policy.items(); list_upd.push_back( MenuElem("Continuous", sigc::bind(sigc::mem_fun(*this, &ExampleWindow::on_menu_policy), Gtk::UPDATE_CONTINUOUS))); list_upd.push_back( MenuElem("Discontinuous", sigc::bind(sigc::mem_fun(*this, &ExampleWindow::on_menu_policy), Gtk::UPDATE_DISCONTINUOUS))); list_upd.push_back( MenuElem("Delayed", sigc::bind(sigc::mem_fun(*this, &ExampleWindow::on_menu_policy), Gtk::UPDATE_DELAYED))); m_VBox2.pack_start( *Gtk::manage(new LabeledOptionMenu("Scale Update Policy:", m_Menu_Policy))); } //Digits: m_HBox_Digits.pack_start( *Gtk::manage(new Gtk::Label("Scale Digits:", 0)), Gtk::PACK_SHRINK); m_Scale_Digits.set_digits(0); m_adjustment_digits.signal_value_changed().connect(sigc::mem_fun(*this, &ExampleWindow::on_adjustment1_value_changed)); m_HBox_Digits.pack_start(m_Scale_Digits); //Page Size: m_HBox_PageSize.pack_start( *Gtk::manage(new Gtk::Label("Scrollbar Page Size:", 0)), Gtk::PACK_SHRINK); m_Scale_PageSize.set_digits(0); m_adjustment_pagesize.signal_value_changed().connect(sigc::mem_fun(*this, &ExampleWindow::on_adjustment2_value_changed)); m_HBox_PageSize.pack_start(m_Scale_PageSize); m_VBox2.pack_start(m_HBox_Digits); m_VBox2.pack_start(m_HBox_PageSize); m_VBox_Top.pack_start(m_Separator, Gtk::PACK_SHRINK); m_VBox_Top.pack_start(m_Button_Quit, Gtk::PACK_SHRINK); m_Button_Quit.set_flags(Gtk::CAN_DEFAULT); m_Button_Quit.grab_default(); m_Button_Quit.signal_clicked().connect(sigc::mem_fun(*this, &ExampleWindow::on_button_quit)); m_Button_Quit.set_border_width(10); show_all_children(); } ExampleWindow::~ExampleWindow() { } void ExampleWindow::on_checkbutton_toggled() { m_VScale.set_draw_value(m_CheckButton.get_active()); m_HScale.set_draw_value(m_CheckButton.get_active()); } void ExampleWindow::on_menu_position(Gtk::PositionType postype) { m_VScale.set_value_pos(postype); m_HScale.set_value_pos(postype); } void ExampleWindow::on_menu_policy(Gtk::UpdateType type) { m_VScale.set_update_policy(type); m_HScale.set_update_policy(type); } void ExampleWindow::on_adjustment1_value_changed() { double val = m_adjustment_digits.get_value(); m_VScale.set_digits((int)val); m_HScale.set_digits((int)val); } void ExampleWindow::on_adjustment2_value_changed() { double val = m_adjustment_pagesize.get_value(); m_adjustment.set_page_size((int)val); m_adjustment.set_page_increment((int)val); // note that we don't have to emit the "changed" signal; // gtkmm does this for us } void ExampleWindow::on_button_quit() { hide(); }