/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* 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
* 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 "gui/widgets/slider.h"
#include "configuration.h"
#include "graphics.h"
#include "resources/image.h"
#include "resources/resourcemanager.h"
#include "gui/skin.h"
Image *Slider::hStart, *Slider::hMid, *Slider::hEnd, *Slider::hGrip;
Image *Slider::vStart, *Slider::vMid, *Slider::vEnd, *Slider::vGrip;
Image *Slider::hStartHi, *Slider::hMidHi, *Slider::hEndHi, *Slider::hGripHi;
Image *Slider::vStartHi, *Slider::vMidHi, *Slider::vEndHi, *Slider::vGripHi;
float Slider::mAlpha = 1.0;
int Slider::mInstances = 0;
Slider::Slider(double scaleEnd):
gcn::Slider(scaleEnd),
mHasMouse(false)
{
init();
}
Slider::Slider(double scaleStart, double scaleEnd):
gcn::Slider(scaleStart, scaleEnd),
mHasMouse(false)
{
init();
}
Slider::~Slider()
{
mInstances--;
if (mInstances == 0)
{
delete hStart;
delete hMid;
delete hEnd;
delete hGrip;
delete vStart;
delete vMid;
delete vEnd;
delete vGrip;
delete hStartHi;
delete hMidHi;
delete hEndHi;
delete hGripHi;
delete vStartHi;
delete vMidHi;
delete vEndHi;
delete vGripHi;
}
}
void Slider::init()
{
int x, y, w, h,o1,o2;
setFrameSize(0);
// Load resources
if (mInstances == 0)
{
ResourceManager *resman = ResourceManager::getInstance();
Image *slider = resman->getImage("graphics/gui/slider.png");
Image *sliderHi = resman->getImage("graphics/gui/slider_hilight.png");
x = 0; y = 0;
w = 15; h = 6;
o1 = 4; o2 = 11;
hStart = slider->getSubImage(x, y, o1 - x, h);
hMid = slider->getSubImage(o1, y, o2 - o1, h);
hEnd = slider->getSubImage(o2, y, w - o2 + x, h);
hStartHi = sliderHi->getSubImage(x, y, o1 - x, h);
hMidHi = sliderHi->getSubImage(o1, y, o2 - o1, h);
hEndHi = sliderHi->getSubImage(o2, y, w - o2 + x, h);
x = 6; y = 8;
w = 9; h = 10;
hGrip = slider->getSubImage(x, y, w, h);
hGripHi = sliderHi->getSubImage(x, y, w, h);
x = 0; y = 6;
w = 6; h = 21;
o1 = 10; o2 = 18;
vStart = slider->getSubImage(x, y, w, o1 - y);
vMid = slider->getSubImage(x, o1, w, o2 - o1);
vEnd = slider->getSubImage(x, o2, w, h - o2 + y);
vStartHi = sliderHi->getSubImage(x, y, w, o1 - y);
vMidHi = sliderHi->getSubImage(x, o1, w, o2 - o1);
vEndHi = sliderHi->getSubImage(x, o2, w, h - o2 + y);
x = 6; y = 8;
w = 9; h = 10;
vGrip = slider->getSubImage(x, y, w, h);
vGripHi = sliderHi->getSubImage(x, y, w, h);
slider->decRef();
sliderHi->decRef();
}
mInstances++;
setMarkerLength(hGrip->getWidth());
}
void Slider::updateAlpha()
{
float alpha = std::max(config.getValue("guialpha", 0.8),
(double)SkinLoader::instance()->getMinimumOpacity());
if (alpha != mAlpha)
{
mAlpha = alpha;
hStart->setAlpha(mAlpha);
hMid->setAlpha(mAlpha);
hEnd->setAlpha(mAlpha);
hGrip->setAlpha(mAlpha);
hStartHi->setAlpha(mAlpha);
hMidHi->setAlpha(mAlpha);
hEndHi->setAlpha(mAlpha);
hGripHi->setAlpha(mAlpha);
vStart->setAlpha(mAlpha);
vMid->setAlpha(mAlpha);
vEnd->setAlpha(mAlpha);
vGrip->setAlpha(mAlpha);
vStartHi->setAlpha(mAlpha);
vMidHi->setAlpha(mAlpha);
vEndHi->setAlpha(mAlpha);
vGripHi->setAlpha(mAlpha);
}
}
void Slider::draw(gcn::Graphics *graphics)
{
int w = getWidth();
int h = getHeight();
int x = 0;
int y = mHasMouse?(h - hStartHi->getHeight()) / 2:(h - hStart->getHeight()) / 2;
updateAlpha();
if (!mHasMouse)
{
static_cast<Graphics*>(graphics)->drawImage(hStart, x, y);
w -= hStart->getWidth() + hEnd->getWidth();
x += hStart->getWidth();
static_cast<Graphics*>(graphics)->
drawImagePattern(hMid, x, y, w, hMid->getHeight());
x += w;
static_cast<Graphics*>(graphics)->drawImage(hEnd, x, y);
}
else
{
static_cast<Graphics*>(graphics)->drawImage(hStartHi, x, y);
w -= hStartHi->getWidth() + hEndHi->getWidth();
x += hStartHi->getWidth();
static_cast<Graphics*>(graphics)->
drawImagePattern(hMidHi, x, y, w, hMidHi->getHeight());
x += w;
static_cast<Graphics*>(graphics)->drawImage(hEndHi, x, y);
}
drawMarker(graphics);
}
void Slider::drawMarker(gcn::Graphics *graphics)
{
static_cast<Graphics*>(graphics)->
drawImage(mHasMouse?hGripHi:hGrip, getMarkerPosition(),
(getHeight() - (mHasMouse?hGripHi:hGrip)->getHeight()) / 2);
}
void Slider::mouseEntered(gcn::MouseEvent& event)
{
mHasMouse = true;
}
void Slider::mouseExited(gcn::MouseEvent& event)
{
mHasMouse = false;
}