168 lines
2.7 KiB
C++
168 lines
2.7 KiB
C++
#include "..\..\Easy2d.h"
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ImageButton::ImageButton() :
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m_pNormalImage(nullptr),
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m_pMouseInImage(nullptr),
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m_pSelectedImage(nullptr),
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m_pUnableImage(nullptr)
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{
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m_nWidth = 0;
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m_nHeight = 0;
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}
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ImageButton::ImageButton(Image * image) :
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ImageButton()
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{
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setNormal(image); // 设置按钮在正常状态时的图片
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}
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ImageButton::~ImageButton()
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{
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// 所有图片的引用计数减一
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SAFE_RELEASE(m_pNormalImage);
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SAFE_RELEASE(m_pMouseInImage);
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SAFE_RELEASE(m_pSelectedImage);
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SAFE_RELEASE(m_pUnableImage);
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}
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void ImageButton::_onNormal()
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{
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if (m_pNormalImage)
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{
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m_pNormalImage->_onDraw();
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}
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}
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void ImageButton::_onMouseIn()
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{
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if (m_pMouseInImage)
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{
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m_pMouseInImage->_onDraw();
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}
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else
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{
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_onNormal();
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}
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}
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void ImageButton::_onSelected()
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{
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if (m_pSelectedImage)
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{
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m_pSelectedImage->_onDraw();
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}
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else
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{
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_onNormal();
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}
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}
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void ImageButton::_onDisable()
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{
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if (m_pUnableImage)
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{
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m_pUnableImage->_onDraw();
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}
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else
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{
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_onNormal();
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}
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}
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void ImageButton::setNormal(Image * image)
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{
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if (image)
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{
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// 原图片引用计数减一
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SAFE_RELEASE(m_pNormalImage);
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// 修改图片
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m_pNormalImage = image;
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// 现图片引用计数加一
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m_pNormalImage->retain();
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// 重新计算图片位置
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resetImagePosition();
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}
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}
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void ImageButton::setMouseIn(Image * image)
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{
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if (image)
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{
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SAFE_RELEASE(m_pMouseInImage);
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m_pMouseInImage = image;
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m_pMouseInImage->retain();
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resetImagePosition();
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}
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}
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void ImageButton::setSelected(Image * image)
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{
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if (image)
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{
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SAFE_RELEASE(m_pSelectedImage);
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m_pSelectedImage = image;
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m_pSelectedImage->retain();
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resetImagePosition();
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}
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}
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void ImageButton::setUnable(Image * image)
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{
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if (image)
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{
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SAFE_RELEASE(m_pUnableImage);
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m_pUnableImage = image;
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m_pUnableImage->retain();
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resetImagePosition();
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}
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}
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void ImageButton::setX(int x)
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{
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Node::setX(x);
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resetImagePosition();
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}
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void ImageButton::setY(int y)
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{
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Node::setY(y);
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resetImagePosition();
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}
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void ImageButton::setPos(int x, int y)
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{
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Node::setPos(x, y);
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resetImagePosition();
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}
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void ImageButton::resetImagePosition()
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{
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if (m_pNormalImage)
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{
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// 根据图片宽高设定按钮大小
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m_nWidth = m_pNormalImage->getWidth();
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m_nHeight = m_pNormalImage->getHeight();
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// 根据按钮位置和图片宽高设置图片位置居中显示
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m_pNormalImage->setPos(m_nX, m_nY);
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}
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if (m_pMouseInImage)
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{
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m_pMouseInImage->setPos(
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m_nX + (m_nWidth - m_pMouseInImage->getWidth()) / 2,
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m_nY + (m_nHeight - m_pMouseInImage->getHeight()) / 2);
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}
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if (m_pSelectedImage)
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{
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m_pSelectedImage->setPos(
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m_nX + (m_nWidth - m_pSelectedImage->getWidth()) / 2,
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m_nY + (m_nHeight - m_pSelectedImage->getHeight()) / 2);
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}
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if (m_pUnableImage)
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{
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m_pUnableImage->setPos(
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m_nX + (m_nWidth - m_pUnableImage->getWidth()) / 2,
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m_nY + (m_nHeight - m_pUnableImage->getHeight()) / 2);
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}
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}
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