mirror of https://github.com/CGAL/cgal
258 lines
6.5 KiB
C++
258 lines
6.5 KiB
C++
// Copyright (c) 1997-2002 INRIA Sophia-Antipolis (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Radu Ursu
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#include <CGAL/basic.h>
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// if QT is not installed, a message will be issued in runtime.
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#ifndef CGAL_USE_QT
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#include <iostream>
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int main()
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{
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std::cout << "Sorry, this demo needs QT." << std::endl;
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return 0;
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}
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#else
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#include "regular_cgal_types.h"
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//Qt_widget headers
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#include <CGAL/IO/Qt_widget.h>
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#include <CGAL/IO/Qt_widget_standard_toolbar.h>
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#include <CGAL/IO/Qt_help_window.h>
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#include "regular_triangulation_2_toolbar.h"
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#include "regular_triangulation_2_toolbar_layers.h"
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#include <CGAL/IO/pixmaps/demoicon.xpm>
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//Qt headers
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#include <qplatinumstyle.h>
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#include <qapplication.h>
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#include <qmainwindow.h>
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#include <qstatusbar.h>
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#include <qmessagebox.h>
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#include <qpopupmenu.h>
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#include <qmenubar.h>
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#include <qtoolbutton.h>
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#include <qtoolbar.h>
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#include <qfiledialog.h>
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#include <qtimer.h>
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const QString title_string("Regular_triangulation_2");
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Regular_triangulation rt;
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int current_state;
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double xmin, ymin, xmax, ymax;
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class Window : public QMainWindow
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{
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Q_OBJECT
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public:
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Window(int w, int h)
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{
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widget = new CGAL::Qt_widget(this);
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setCentralWidget(widget);
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// file menu
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QPopupMenu * file = new QPopupMenu( this );
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menuBar()->insertItem( "&File", file );
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file->insertItem("&New", this, SLOT(new_instance()), CTRL+Key_N);
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file->insertItem("New &Window", this, SLOT(new_window()), CTRL+Key_W);
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file->insertSeparator();
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file->insertItem("&Load Triangulation", this,
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SLOT(load_triangulation()), CTRL+Key_L);
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file->insertItem("&Save Triangulation", this,
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SLOT(save_triangulation()), CTRL+Key_S);
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file->insertSeparator();
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file->insertItem("Print", widget, SLOT(print_to_ps()), CTRL+Key_P);
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file->insertSeparator();
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file->insertItem( "&Close", this, SLOT(close()), CTRL+Key_X );
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file->insertItem( "&Quit", qApp,
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SLOT( closeAllWindows() ), CTRL+Key_Q );
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// help menu
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QPopupMenu * help = new QPopupMenu( this );
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menuBar()->insertItem( "&Help", help );
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help->insertItem("How To", this, SLOT(howto()), Key_F1);
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help->insertSeparator();
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help->insertItem("&About", this, SLOT(about()), CTRL+Key_A );
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help->insertItem("About &Qt", this, SLOT(aboutQt()) );
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*widget << CGAL::BackgroundColor(CGAL::WHITE);
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*widget << CGAL::LineWidth(3);
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resize(w, h);
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widget->set_window(-1, 1, -1, 1);
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widget->setMouseTracking(TRUE);
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//the standard toolbar
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stoolbar = new CGAL::Qt_widget_standard_toolbar (widget, this, "ST");
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//the input layers toolbar
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newtoolbar = new Tools_toolbar(widget, this, &rt);
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//the other layers toolbar
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ltoolbar = new Layers_toolbar(widget, this, &rt);
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//connect the widget to the main function that receives the objects
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connect(widget, SIGNAL(new_cgal_object(CGAL::Object)),
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this, SLOT(get_new_object(CGAL::Object)));
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//create a timer to check if something changed
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QTimer *timer = new QTimer( this );
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connect( timer, SIGNAL(timeout()),
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this, SLOT(timerDone()) );
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timer->start( 200, FALSE );
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old_state = 0;
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}
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void
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init_coordinates(){
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xmin = -1; xmax = 1;
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ymin = -1; ymax = 1;
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}
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private slots:
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void
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new_instance(){
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widget->lock();
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widget->clear();
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stoolbar->clear_history();
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rt.clear();
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// set the Visible Area to the Interval
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widget->set_window(-1.1, 1.1, -1.1, 1.1);
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widget->unlock();
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something_changed();
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}
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void
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new_window(){
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Window *ed = new Window(500, 500);
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ed->setCaption("Layer");
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if(rt.number_of_vertices() > 1){
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Finite_vertices_iterator it = rt.finite_vertices_begin();
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xmin = xmax = (*it).point().x();
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ymin = ymax = (*it).point().y();
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while(it != rt.finite_vertices_end()) {
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if(xmin > (*it).point().x())
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xmin = (*it).point().x();
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if(xmax < (*it).point().x())
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xmax = (*it).point().x();
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if(ymin > (*it).point().y())
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ymin = (*it).point().y();
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if(ymax < (*it).point().y())
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ymax = (*it).point().y();
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it++;
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}
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}
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ed->stoolbar->clear_history();
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ed->widget->set_window(xmin, xmax, ymin, ymax);
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ed->show();
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something_changed();
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}
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void
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timerDone(){
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if(old_state!=current_state){
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widget->redraw();
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old_state = current_state;
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}
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}
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void
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howto(){
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QString home;
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home = "help/rindex.html";
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CGAL::Qt_help_window *help = new
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CGAL::Qt_help_window(home, ".", 0, "help viewer");
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help->resize(400, 400);
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help->setCaption("Demo HowTo");
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help->show();
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}
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void
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about(){
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QMessageBox::about( this, title_string,
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"This is a demo for Regular_triangulation_2\n"
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"Copyright CGAL @2003");
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}
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void
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aboutQt(){
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QMessageBox::aboutQt( this, title_string );
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}
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void
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get_new_object(CGAL::Object obj){
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Point_2 p;
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Circle c;
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if(CGAL::assign(p,obj)) {
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rt.insert(p);
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something_changed();
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} else if (CGAL::assign(c, obj)){
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rt.insert(Gt::Weighted_point_2(Point_2(c.center()), c.squared_radius()));
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something_changed();
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}
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}
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void
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load_triangulation(){
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QString s( QFileDialog::getOpenFileName( QString::null,
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"CGAL files (*.cgal)", this ) );
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if ( s.isEmpty() )
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return;
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rt.clear();
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//Gt::Weighted_point wp;
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}
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void
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save_triangulation(){
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}
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private:
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inline void something_changed(){current_state++;};
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CGAL::Qt_widget *widget;
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CGAL::Qt_widget_standard_toolbar *stoolbar;
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Tools_toolbar *newtoolbar;
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Layers_toolbar *ltoolbar;
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int old_state;
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};
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#include "regular_triangulation_2.moc"
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int
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main(int argc, char **argv)
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{
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QApplication app( argc, argv );
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Window W(500,500); // physical widget size
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app.setMainWidget(&W);
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W.setCaption(title_string);
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W.setMouseTracking(TRUE);
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#if !defined (__POWERPC__)
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QPixmap cgal_icon = QPixmap((const char**)demoicon_xpm);
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W.setIcon(cgal_icon);
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#endif
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W.show();
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W.init_coordinates();
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current_state = -1;
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return app.exec();
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}
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#endif //CGAL_USE_QT
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