+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file adjust_window.cpp
-** \brief Adjustment Window Implementation File
-**
-** $Id: adjust_window.cpp,v 1.1.1.1 2005/01/07 03:34:35 darco Exp $
-**
-** \legal
-** Copyright (c) 2004 Adrian Bentley
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package 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.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "adjust_window.h"
-#include "app.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-//using namespace etl;
-//using namespace synfig;
-
-using studio::Adjust_Window;
-
-/* === M A C R O S ========================================================= */
-const double EPSILON = 1.0e-6;
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-/* === E N T R Y P O I N T ================================================= */
-
-Adjust_Window::Adjust_Window(double value, double lower, double upper,
- double stepinc, double pageinc, double pagesize,
- Gtk::Adjustment *adj)
-: Adjustment(value,lower,upper,stepinc,pageinc,pagesize),
- adj_child(0)
-{
- if(adj) set_child_adjustment(adj);
-}
-
-Adjust_Window::~Adjust_Window()
-{
- //connections should automatically be killed etc.
-}
-
-//child interface functions
-Gtk::Adjustment *Adjust_Window::get_child_adjustment()
-{
- return adj_child;
-}
-
-const Gtk::Adjustment *Adjust_Window::get_child_adjustment() const
-{
- return adj_child;
-}
-
-void Adjust_Window::set_child_adjustment(Gtk::Adjustment *child)
-{
- childchanged.disconnect();
-
- adj_child = child;
-
- synfig::info("Adjust: connecting to child signals");
- if(child)
- {
- childchanged = child->signal_changed().connect(sigc::mem_fun(*this,&Adjust_Window::update_fromchild));
-
- update_child();
- }
-}
-
-void Adjust_Window::on_changed()
-{
- update_child();
-}
-
-void Adjust_Window::on_value_changed()
-{
- update_child();
-}
-
-//SUB TIME FUNCTIONS
-double Adjust_Window::get_sub_lower() const
-{
- return get_value();
-}
-
-double Adjust_Window::get_sub_upper() const
-{
- return get_value() + get_page_size();
-}
-
-//---- REFRESH FUNCTIONS -----
-void Adjust_Window::update_child()
-{
- if(adj_child)
- {
- bool childchanged = false;
-
- double v = get_value();
- double ve = v + get_page_size();
-
- //reset child's values if they need to be...
- if(abs(v - adj_child->get_lower()) > EPSILON)
- {
- adj_child->set_lower(v);
- childchanged = true;
- }
-
- if(abs(ve - adj_child->get_upper()) > EPSILON)
- {
- adj_child->set_upper(ve);
- childchanged = true;
- }
-
- if(childchanged)
- {
- adj_child->changed();
- }
- }
-}
-
-void Adjust_Window::update_fromchild()
-{
- if(adj_child)
- {
- double b = adj_child->get_lower();
- double dist = adj_child->get_upper() - b;
-
- //reset our values if they need to be...
- if(abs(get_value() - b) > EPSILON)
- {
- set_value(b);
- value_changed();
- }
-
- if(abs(get_page_size() - dist) > EPSILON)
- {
- set_page_size(dist);
- changed();
- }
- }
-}