110 lines
1.5 KiB
C++
110 lines
1.5 KiB
C++
#include "..\easy2d.h"
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MouseNode::MouseNode() :
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m_bBlock(true),
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m_bTarget(false),
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m_callback([]() {})
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{
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}
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MouseNode::~MouseNode()
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{
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}
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bool MouseNode::_exec(bool active)
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{
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// 若画面已取得焦点，或 display 属性为 false，退出函数
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if (!active || !m_bDisplay)
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{
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return false;
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}
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// 判断节点状态
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_judge();
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// 鼠标在节点上（被选中时鼠标也在节点上）
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if (m_eStatus == MOUSEIN || m_eStatus == SELECTED)
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{
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// 节点被鼠标选中，且鼠标左键抬起
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if (m_bTarget && MouseMsg::isOnLButtonUp())
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{
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onClicked(); // 执行回调函数
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}
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// 若节点不阻塞鼠标消息，则取得画面焦点
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if (!m_bBlock) return true;
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}
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return false;
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}
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void MouseNode::_onDraw()
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{
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// 节点是否显示
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if (!m_bDisplay)
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{
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return;
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}
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// 节点是否被选中
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if (m_eStatus == SELECTED)
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{
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_onSelected();
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}
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else
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{
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// 鼠标是否在节点上
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if (m_eStatus == MOUSEIN)
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{
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_onMouseIn();
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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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}
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void MouseNode::_setNormal()
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{
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m_bTarget = false; // 失去焦点标记
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m_eStatus = NORMAL;
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}
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void MouseNode::_setMouseIn()
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{
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m_eStatus = MOUSEIN;
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}
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void MouseNode::_setSelected()
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{
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m_bTarget = true; // 取得焦点标记
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m_eStatus = SELECTED;
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}
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void MouseNode::onClicked()
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{
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m_callback();
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}
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bool MouseNode::isMouseIn()
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{
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return m_eStatus == MOUSEIN || m_eStatus == SELECTED;
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}
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bool MouseNode::isSelected()
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{
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return m_eStatus == SELECTED;
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}
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void MouseNode::setOnMouseClicked(const CLICK_CALLBACK & callback)
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{
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m_callback = callback;
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}
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void MouseNode::reset()
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{
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m_eStatus = NORMAL;
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}
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void MouseNode::setBlock(bool block)
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{
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m_bBlock = block;
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}
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