sintonia/livesupport/modules/widgets/src/ButtonImages.cxx

136 lines
4.4 KiB
C++

/*------------------------------------------------------------------------------
Copyright (c) 2004 Media Development Loan Fund
This file is part of the LiveSupport project.
http://livesupport.campware.org/
To report bugs, send an e-mail to bugs@campware.org
LiveSupport 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.
LiveSupport 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 LiveSupport; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: maroy $
Version : $Revision: 1.1 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/src/ButtonImages.cxx,v $
------------------------------------------------------------------------------*/
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "configure.h"
#endif
#include "LiveSupport/Widgets/ButtonImages.h"
using namespace LiveSupport::Widgets;
/* =================================================== local data structures */
/* ================================================ local constants & macros */
/**
* The name of the passive left image.
*/
static const std::string passiveLeftName = "left.png";
/**
* The name of the passive center image.
*/
static const std::string passiveCenterName = "center.png";
/**
* The name of the passive right image.
*/
static const std::string passiveRightName = "right.png";
/**
* The name of the rollover left image
*/
static const std::string rollLeftName = "leftRoll.png";
/**
* The name of the rollover center image
*/
static const std::string rollCenterName = "centerRoll.png";
/**
* The name of the rollover right image
*/
static const std::string rollRightName = "rightRoll.png";
/**
* The name of the selected left image
*/
static const std::string selectedLeftName = "leftSel.png";
/**
* The name of the selected center image
*/
static const std::string selectedCenterName = "centerSel.png";
/**
* The name of the selected right image
*/
static const std::string selectedRightName = "rightSel.png";
/* =============================================== local function prototypes */
/* ============================================================= module code */
/*------------------------------------------------------------------------------
* Constructor, based on relative path
*----------------------------------------------------------------------------*/
ButtonImages :: ButtonImages(const std::string path)
throw ()
{
try {
passiveImageLeft = loadImage(path, passiveLeftName);
passiveImageCenter = loadImage(path, passiveCenterName);
passiveImageRight = loadImage(path, passiveRightName);
rollImageLeft = loadImage(path, rollLeftName);
rollImageCenter = loadImage(path, rollCenterName);
rollImageRight = loadImage(path, rollRightName);
selectedImageLeft = loadImage(path, selectedLeftName);
selectedImageCenter = loadImage(path, selectedCenterName);
selectedImageRight = loadImage(path, selectedRightName);
} catch (std::invalid_argument &e) {
// just ignore, it's not polite to through exceptions from constructors
}
}
/*------------------------------------------------------------------------------
* Load an image
*----------------------------------------------------------------------------*/
Glib::RefPtr<Gdk::Pixbuf>
ButtonImages :: loadImage(const std::string path,
const std::string imageName)
throw (std::invalid_argument)
{
Glib::RefPtr<Gdk::Pixbuf> image;
if (!(image = Gdk::Pixbuf::create_from_file(path + imageName))) {
throw std::invalid_argument("Missing " + image);
}
return image;
}