/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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, see .
*/
#include "gui/widgets/slider.h"
#include "client.h"
#include "graphicsvertexes.h"
#include "input/keydata.h"
#include "input/keyevent.h"
#include "resources/image.h"
#include "debug.h"
ImageRect Slider::buttons[2];
float Slider::mAlpha = 1.0;
int Slider::mInstances = 0;
static std::string const data[2] =
{
"slider.xml",
"slider_highlighted.xml"
};
Slider::Slider(const double scaleEnd) :
gcn::Slider(scaleEnd),
Widget2(),
mVertexes(new ImageCollection),
mHasMouse(false),
mRedraw(true)
{
init();
}
Slider::Slider(const double scaleStart, const double scaleEnd) :
gcn::Slider(scaleStart, scaleEnd),
Widget2(),
mVertexes(new ImageCollection),
mHasMouse(false),
mRedraw(true)
{
init();
}
Slider::~Slider()
{
if (gui)
gui->removeDragged(this);
delete mVertexes;
mVertexes = nullptr;
mInstances--;
if (mInstances == 0 && Theme::instance())
{
const Theme *const theme = Theme::instance();
for (int mode = 0; mode < 2; mode ++)
theme->unloadRect(buttons[mode]);
}
}
void Slider::init()
{
setFrameSize(0);
// Load resources
if (mInstances == 0)
{
Theme *const theme = Theme::instance();
if (theme)
{
for (int mode = 0; mode < 2; mode ++)
theme->loadRect(buttons[mode], data[mode], "slider.xml", 0, 8);
}
updateAlpha();
}
mInstances++;
if (buttons[0].grid[HGRIP])
setMarkerLength(buttons[0].grid[HGRIP]->getWidth());
}
void Slider::updateAlpha()
{
const float alpha = std::max(client->getGuiAlpha(),
Theme::instance()->getMinimumOpacity());
if (alpha != mAlpha)
{
mAlpha = alpha;
for (int f = 0; f < 2; f ++)
{
for (int d = 0; d < SLIDER_MAX; d ++)
{
if (buttons[f].grid[d])
buttons[f].grid[d]->setAlpha(mAlpha);
}
}
}
}
void Slider::draw(gcn::Graphics *graphics)
{
BLOCK_START("Slider::draw")
if (!buttons[0].grid[HSTART] || !buttons[1].grid[HSTART]
|| !buttons[0].grid[HEND])
{
BLOCK_END("Slider::draw")
return;
}
int w = getWidth();
const int h = getHeight();
int x = 0;
const int y = mHasMouse ? (h - buttons[1].grid[HSTART]->getHeight()) / 2 :
(h - buttons[0].grid[HSTART]->getHeight()) / 2;
Graphics *const g = static_cast(graphics);
updateAlpha();
if (isBatchDrawRenders(openGLMode))
{
if (mRedraw || g->getRedraw())
{
mRedraw = false;
mVertexes->clear();
if (!mHasMouse)
{
g->calcTile(mVertexes, buttons[0].grid[HSTART], x, y);
const int width = buttons[0].grid[HSTART]->getWidth();
w -= width + buttons[0].grid[HEND]->getWidth();
x += width;
if (buttons[0].grid[HMID])
{
const Image *const hMid = buttons[0].grid[HMID];
g->calcImagePattern(mVertexes, hMid, x, y,
w, hMid->getHeight());
}
x += w;
g->calcTile(mVertexes, buttons[0].grid[HEND], x, y);
const Image *const img = buttons[0].grid[HGRIP];
if (img)
{
g->calcTile(mVertexes, img, getMarkerPosition(),
(mDimension.height - img->getHeight()) / 2);
}
}
else
{
g->calcTile(mVertexes, buttons[1].grid[HSTART], x, y);
const int width = buttons[1].grid[HSTART]->getWidth();
w -= width;
if (buttons[1].grid[HEND])
w -= buttons[1].grid[HEND]->getWidth();
x += width;
if (buttons[1].grid[HMID])
{
const Image *const hMid = buttons[1].grid[HMID];
g->calcImagePattern(mVertexes, hMid, x, y,
w, hMid->getHeight());
}
x += w;
if (buttons[1].grid[HEND])
g->calcTile(mVertexes, buttons[1].grid[HEND], x, y);
const Image *const img = buttons[1].grid[HGRIP];
if (img)
{
g->calcTile(mVertexes, img, getMarkerPosition(),
(mDimension.height - img->getHeight()) / 2);
}
}
}
g->drawTile(mVertexes);
}
else
{
if (!mHasMouse)
{
DRAW_IMAGE(g, buttons[0].grid[HSTART], x, y);
const int width = buttons[0].grid[HSTART]->getWidth();
w -= width + buttons[0].grid[HEND]->getWidth();
x += width;
if (buttons[0].grid[HMID])
{
const Image *const hMid = buttons[0].grid[HMID];
g->drawImagePattern(hMid, x, y, w, hMid->getHeight());
}
x += w;
DRAW_IMAGE(g, buttons[0].grid[HEND], x, y);
const Image *const img = buttons[0].grid[HGRIP];
if (img)
{
DRAW_IMAGE(g, img, getMarkerPosition(),
(mDimension.height - img->getHeight()) / 2);
}
}
else
{
DRAW_IMAGE(g, buttons[1].grid[HSTART], x, y);
const int width = buttons[1].grid[HSTART]->getWidth();
w -= width;
if (buttons[1].grid[HEND])
w -= buttons[1].grid[HEND]->getWidth();
x += width;
if (buttons[1].grid[HMID])
{
const Image *const hMid = buttons[1].grid[HMID];
g->drawImagePattern(hMid, x, y, w, hMid->getHeight());
}
x += w;
if (buttons[1].grid[HEND])
DRAW_IMAGE(g, buttons[1].grid[HEND], x, y);
const Image *const img = buttons[1].grid[HGRIP];
if (img)
{
DRAW_IMAGE(g, img, getMarkerPosition(),
(mDimension.height - img->getHeight()) / 2);
}
}
}
BLOCK_END("Slider::draw")
}
void Slider::mouseEntered(gcn::MouseEvent& event A_UNUSED)
{
mHasMouse = true;
mRedraw = true;
}
void Slider::mouseExited(gcn::MouseEvent& event A_UNUSED)
{
mHasMouse = false;
mRedraw = true;
}
void Slider::mousePressed(gcn::MouseEvent &mouseEvent)
{
if (mouseEvent.getButton() == gcn::MouseEvent::LEFT
&& mouseEvent.getX() >= 0
&& mouseEvent.getX() <= getWidth()
&& mouseEvent.getY() >= 0
&& mouseEvent.getY() <= getHeight())
{
if (getOrientation() == HORIZONTAL)
{
setValue2(markerPositionToValue(
mouseEvent.getX() - getMarkerLength() / 2));
}
else
{
setValue2(markerPositionToValue(getHeight()
- mouseEvent.getY() - getMarkerLength() / 2));
}
distributeActionEvent();
}
}
void Slider::mouseDragged(gcn::MouseEvent &mouseEvent)
{
if (getOrientation() == HORIZONTAL)
{
setValue2(markerPositionToValue(mouseEvent.getX()
- getMarkerLength() / 2));
}
else
{
setValue2(markerPositionToValue(getHeight()
- mouseEvent.getY() - getMarkerLength() / 2));
}
distributeActionEvent();
mouseEvent.consume();
}
void Slider::mouseWheelMovedUp(gcn::MouseEvent &mouseEvent)
{
setValue2(getValue() + getStepLength());
distributeActionEvent();
mouseEvent.consume();
}
void Slider::mouseWheelMovedDown(gcn::MouseEvent &mouseEvent)
{
setValue2(getValue() - getStepLength());
distributeActionEvent();
mouseEvent.consume();
}
void Slider::keyPressed(gcn::KeyEvent& keyEvent)
{
const int action = static_cast(&keyEvent)->getActionId();
if (getOrientation() == HORIZONTAL)
{
if (action == Input::KEY_GUI_RIGHT)
{
setValue2(getValue() + getStepLength());
distributeActionEvent();
keyEvent.consume();
}
else if (action == Input::KEY_GUI_LEFT)
{
setValue2(getValue() - getStepLength());
distributeActionEvent();
keyEvent.consume();
}
}
else
{
if (action == Input::KEY_GUI_UP)
{
setValue2(getValue() + getStepLength());
distributeActionEvent();
keyEvent.consume();
}
else if (action == Input::KEY_GUI_DOWN)
{
setValue2(getValue() - getStepLength());
distributeActionEvent();
keyEvent.consume();
}
}
}
void Slider::setValue2(const double value)
{
setValue(value);
mRedraw = true;
}