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/***************************************************************************
* Copyright (C) 2015 by Pere RÃ fols Soler *
* sapista2@gmail.com *
* *
* This program 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 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 "sidechainbox.h"
#include "colors.h"
#define MARGIN 6
#define RADIUS 4
SideChainBox::SideChainBox( std::string sTitle, int top_padding): m_title(sTitle), m_top_padding(top_padding)
{
}
SideChainBox::~SideChainBox()
{
}
void SideChainBox::set_label(const Glib::ustring& label)
{
m_title = label;
Glib::RefPtr<Gdk::Window> win = get_window();
if(win)
{
Gdk::Rectangle r(0, 0, get_allocation().get_width(), get_allocation().get_height());
win->invalidate_rect(r, false);
}
}
bool SideChainBox::on_expose_event(GdkEventExpose* event)
{
bool ret = Gtk::EventBox::on_expose_event(event); //Call parent redraw()
Glib::RefPtr<Gdk::Window> window = get_window();
if(window)
{
Gtk::Allocation allocation = get_allocation();
const int width = allocation.get_width();
const int height = allocation.get_height();
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
//Paint backgroud
cr->save();
cr->set_source_rgb(BACKGROUND_R, BACKGROUND_G, BACKGROUND_B);
cr->paint(); //Fill all with background color
cr->restore();
//Draw a box
cr->save();
cr->arc( MARGIN + 0.5, MARGIN + m_top_padding + 0.5, RADIUS, M_PI, -0.5*M_PI);
cr->line_to(width/6 , MARGIN + m_top_padding + 0.5 - RADIUS);
cr->move_to(5*width/6 , MARGIN + m_top_padding + 0.5 - RADIUS);
cr->line_to(width - 1 - MARGIN - 0.5, MARGIN + m_top_padding + 0.5 - RADIUS);
cr->arc( width - 1 - MARGIN - 0.5, MARGIN + m_top_padding + 0.5, RADIUS, -0.5*M_PI, 0);
cr->line_to(width - 1 - MARGIN - 0.5 + RADIUS, height - 1 - MARGIN - 0.5);
cr->arc( width - 1 - MARGIN - 0.5, height - 1 - MARGIN - 0.5, RADIUS, 0.0, 0.5*M_PI);
cr->line_to( MARGIN + 0.5, height - 1 - MARGIN - 0.5 + RADIUS);
cr->arc( MARGIN + 0.5, height - 1 - MARGIN - 0.5, RADIUS, 0.5*M_PI, M_PI);
cr->line_to( MARGIN + 0.5 - RADIUS, MARGIN + m_top_padding + 0.5 );
cr->set_line_width(1);
cr->set_source_rgba(1,1,1, 0.3);
cr->stroke();
cr->restore();
//Draw Text
cr->save();
Glib::RefPtr<Pango::Layout> pangoLayout = Pango::Layout::create(cr);
Pango::FontDescription font_desc("sans 12px");
pangoLayout->set_font_description(font_desc);
pangoLayout->set_text(m_title);
int stringWidth, stringHeight;
pangoLayout->get_pixel_size(stringWidth, stringHeight);
//and text
cr->move_to(0.5*(width - stringWidth), m_top_padding - 0.5*stringHeight );
cr->set_source_rgba(0.9, 0.9, 0.9, 0.7);
pangoLayout->show_in_cairo_context(cr);
cr->stroke();
cr->restore();
}
return ret;
}
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