mirror of
https://github.com/Oibaf66/frodo-wii.git
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370 lines
10 KiB
C++
370 lines
10 KiB
C++
/* _______ __ __ __ ______ __ __ _______ __ __
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* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
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* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
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* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
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* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
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* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
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* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
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*
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* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
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*
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*
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* Per Larsson a.k.a finalman
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* Olof Naessén a.k.a jansem/yakslem
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*
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* Visit: http://guichan.sourceforge.net
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*
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* License: (BSD)
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of Guichan nor the names of its contributors may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* For comments regarding functions please see the header file.
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*/
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#include "guichan/widgets/slider.hpp"
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#include "guichan/graphics.hpp"
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#include "guichan/key.hpp"
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#include "guichan/mouseinput.hpp"
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namespace gcn
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{
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Slider::Slider(double scaleEnd)
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{
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mDragged = false;
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mScaleStart = 0;
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mScaleEnd = scaleEnd;
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setFocusable(true);
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setFrameSize(1);
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setOrientation(HORIZONTAL);
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setValue(0);
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setStepLength(scaleEnd / 10);
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setMarkerLength(10);
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addMouseListener(this);
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addKeyListener(this);
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}
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Slider::Slider(double scaleStart, double scaleEnd)
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{
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mDragged = false;
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mScaleStart = scaleStart;
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mScaleEnd = scaleEnd;
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setFocusable(true);
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setFrameSize(1);
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setOrientation(HORIZONTAL);
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setValue(scaleStart);
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setStepLength((scaleEnd - scaleStart)/ 10);
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setMarkerLength(10);
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addMouseListener(this);
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addKeyListener(this);
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}
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void Slider::setScale(double scaleStart, double scaleEnd)
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{
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mScaleStart = scaleStart;
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mScaleEnd = scaleEnd;
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}
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double Slider::getScaleStart() const
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{
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return mScaleStart;
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}
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void Slider::setScaleStart(double scaleStart)
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{
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mScaleStart = scaleStart;
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}
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double Slider::getScaleEnd() const
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{
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return mScaleEnd;
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}
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void Slider::setScaleEnd(double scaleEnd)
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{
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mScaleEnd = scaleEnd;
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}
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void Slider::draw(gcn::Graphics* graphics)
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{
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Color shadowColor = getBaseColor() - 0x101010;
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int alpha = getBaseColor().a;
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shadowColor.a = alpha;
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graphics->setColor(shadowColor);
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graphics->fillRectangle(gcn::Rectangle(0,0,getWidth(),getHeight()));
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drawMarker(graphics);
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}
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void Slider::drawMarker(gcn::Graphics* graphics)
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{
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gcn::Color faceColor = getBaseColor();
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Color highlightColor, shadowColor;
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int alpha = getBaseColor().a;
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highlightColor = faceColor + 0x303030;
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highlightColor.a = alpha;
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shadowColor = faceColor - 0x303030;
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shadowColor.a = alpha;
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graphics->setColor(faceColor);
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if (getOrientation() == HORIZONTAL)
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{
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int v = getMarkerPosition();
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graphics->fillRectangle(gcn::Rectangle(v + 1, 1, getMarkerLength() - 2, getHeight() - 2));
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graphics->setColor(highlightColor);
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graphics->drawLine(v, 0, v + getMarkerLength() - 1,0);
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graphics->drawLine(v, 0, v, getHeight() - 1);
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graphics->setColor(shadowColor);
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graphics->drawLine(v + getMarkerLength() - 1, 1, v + getMarkerLength() - 1, getHeight() - 1);
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graphics->drawLine(v + 1, getHeight() - 1, v + getMarkerLength() - 1, getHeight() - 1);
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if (isFocused())
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{
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graphics->setColor(getForegroundColor());
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graphics->drawRectangle(Rectangle(v + 2, 2, getMarkerLength() - 4, getHeight() - 4));
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}
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}
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else
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{
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int v = (getHeight() - getMarkerLength()) - getMarkerPosition();
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graphics->fillRectangle(gcn::Rectangle(1, v + 1, getWidth() - 2, getMarkerLength() - 2));
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graphics->setColor(highlightColor);
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graphics->drawLine(0, v, 0, v + getMarkerLength() - 1);
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graphics->drawLine(0, v, getWidth() - 1, v);
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graphics->setColor(shadowColor);
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graphics->drawLine(1, v + getMarkerLength() - 1, getWidth() - 1, v + getMarkerLength() - 1);
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graphics->drawLine(getWidth() - 1, v + 1, getWidth() - 1, v + getMarkerLength() - 1);
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if (isFocused())
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{
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graphics->setColor(getForegroundColor());
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graphics->drawRectangle(Rectangle(2, v + 2, getWidth() - 4, getMarkerLength() - 4));
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}
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}
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}
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void Slider::mousePressed(MouseEvent& mouseEvent)
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{
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if (mouseEvent.getButton() == gcn::MouseEvent::LEFT
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&& mouseEvent.getX() >= 0
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&& mouseEvent.getX() <= getWidth()
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&& mouseEvent.getY() >= 0
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&& mouseEvent.getY() <= getHeight())
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{
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if (getOrientation() == HORIZONTAL)
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{
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setValue(markerPositionToValue(mouseEvent.getX() - getMarkerLength() / 2));
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}
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else
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{
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setValue(markerPositionToValue(getHeight() - mouseEvent.getY() - getMarkerLength() / 2));
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}
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distributeActionEvent();
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}
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}
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void Slider::mouseDragged(MouseEvent& mouseEvent)
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{
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if (getOrientation() == HORIZONTAL)
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{
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setValue(markerPositionToValue(mouseEvent.getX() - getMarkerLength() / 2));
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}
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else
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{
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setValue(markerPositionToValue(getHeight() - mouseEvent.getY() - getMarkerLength() / 2));
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}
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distributeActionEvent();
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mouseEvent.consume();
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}
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void Slider::setValue(double value)
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{
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if (value > getScaleEnd())
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{
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mValue = getScaleEnd();
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return;
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}
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if (value < getScaleStart())
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{
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mValue = getScaleStart();
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return;
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}
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mValue = value;
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}
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double Slider::getValue() const
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{
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return mValue;
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}
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int Slider::getMarkerLength() const
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{
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return mMarkerLength;
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}
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void Slider::setMarkerLength(int length)
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{
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mMarkerLength = length;
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}
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void Slider::keyPressed(KeyEvent& keyEvent)
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{
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Key key = keyEvent.getKey();
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if (getOrientation() == HORIZONTAL)
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{
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if (key.getValue() == Key::RIGHT)
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{
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setValue(getValue() + getStepLength());
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distributeActionEvent();
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keyEvent.consume();
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}
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else if (key.getValue() == Key::LEFT)
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{
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setValue(getValue() - getStepLength());
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distributeActionEvent();
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keyEvent.consume();
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}
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}
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else
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{
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if (key.getValue() == Key::UP)
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{
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setValue(getValue() + getStepLength());
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distributeActionEvent();
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keyEvent.consume();
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}
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else if (key.getValue() == Key::DOWN)
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{
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setValue(getValue() - getStepLength());
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distributeActionEvent();
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keyEvent.consume();
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}
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}
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}
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void Slider::setOrientation(Slider::Orientation orientation)
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{
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mOrientation = orientation;
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}
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Slider::Orientation Slider::getOrientation() const
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{
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return mOrientation;
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}
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double Slider::markerPositionToValue(int v) const
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{
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int w;
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if (getOrientation() == HORIZONTAL)
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{
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w = getWidth();
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}
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else
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{
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w = getHeight();
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}
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double pos = v / ((double)w - getMarkerLength());
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return (1.0 - pos) * getScaleStart() + pos * getScaleEnd();
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}
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int Slider::valueToMarkerPosition(double value) const
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{
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int v;
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if (getOrientation() == HORIZONTAL)
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{
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v = getWidth();
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}
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else
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{
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v = getHeight();
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}
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int w = (int)((v - getMarkerLength())
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* (value - getScaleStart())
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/ (getScaleEnd() - getScaleStart()));
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if (w < 0)
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{
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return 0;
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}
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if (w > v - getMarkerLength())
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{
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return v - getMarkerLength();
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}
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return w;
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}
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void Slider::setStepLength(double length)
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{
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mStepLength = length;
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}
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double Slider::getStepLength() const
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{
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return mStepLength;
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}
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int Slider::getMarkerPosition() const
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{
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return valueToMarkerPosition(getValue());
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}
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void Slider::mouseWheelMovedUp(MouseEvent& mouseEvent)
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{
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setValue(getValue() + getStepLength());
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distributeActionEvent();
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mouseEvent.consume();
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}
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void Slider::mouseWheelMovedDown(MouseEvent& mouseEvent)
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{
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setValue(getValue() - getStepLength());
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distributeActionEvent();
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mouseEvent.consume();
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}
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}
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