sgpemv2/src/simulation_widget.cc

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// src/simulation_widget.cc - Copyright 2005, 2006, University
// of Padova, dept. of Pure and Applied
// Mathematics
//
// This file is part of SGPEMv2.
//
// This 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.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "simulation_widget.hh"
#include "cairo_elements.hh"
#include "backend/history.hh"
#include "backend/simulation.hh"
#include "backend/string_utils.hh"
#include <cassert>
#ifndef NDEBUG
#include <iostream>
#endif
using namespace sgpem;
SimulationWidget::SimulationWidget()
: Glib::ObjectBase("sgpem_SimulationWidget"), CairoWidget(),
_n_update(0)
{
// Register this observer:
Simulation::get_instance().get_history().attach(*this);
}
SimulationWidget::~SimulationWidget()
{
Simulation::get_instance().get_history().detach(*this);
}
void
SimulationWidget::update(const History& history)
{
_n_update++;
std::cout << " update: " << _n_update << std::endl;
// Force redraw
redraw();
}
void
SimulationWidget::draw_widget(cairo_t* ctx)
{
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_move_to(ctx, 0, 0);
cairo_line_to(ctx, 300, 350);
cairo_stroke(ctx);
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_move_to(ctx, 0, 0);
cairo_line_to(ctx, 300, 350);
// NOTE: just to try
CairoElements ce(ctx);
Rectangle area = { 30, 30, 100, 100 };
ce.draw_container(area);
Color red = { 1, 0, 0 };
Point center = { 25, 25 };
ce.draw_3dsphere(center, 20, red);
Glib::ustring msg("Number of updates: "), number;
int_to_string(_n_update, number);
msg = msg + number;
cairo_move_to(ctx, 10, 105);
cairo_show_text(ctx,msg.c_str());
switch(get_scaling_mode())
{
case CairoWidget::scaling_none:
msg = "scaling_none = without any scaling";
break;
case CairoWidget::scaling_to_w:
msg = "scaling_to_w = uses width to calculate scale factor";
break;
case CairoWidget::scaling_to_h:
msg = "scaling_to_h = uses height to calculate scale factor";
break;
case CairoWidget::scaling_min:
msg = "scaling_min = uses minimum scale factor from width, height";
break;
case CairoWidget::scaling_max:
msg = "scaling_max = uses maximum scale factor from width, height";
break;
case CairoWidget::scaling_all:
msg = "scaling_all = scale to stretch into client area";
break;
}
cairo_move_to(ctx, 10, 115);
cairo_show_text(ctx,msg.c_str());
msg = "clic to change mode...";
cairo_move_to(ctx, 10, 125);
cairo_show_text(ctx,msg.c_str());
}
void
SimulationWidget::calc_size(size_t& width, size_t& height) const
{
// FIXME: write me
// some magic here!
width = 300;
height = 350;
}
/*
void
SimulationWidget::calc_size(const History& history, size_t& width, size_t& height) const
{
// FIXME: write me
width = get_allocation().get_width();
height = get_allocation().get_height();
}
*/