Magic_Game/Easy2D/Object/MouseNode.cpp

#include "..\easy2d.h"


MouseNode::MouseNode() :
	m_bBlock(true),
	m_bTarget(false),
	m_ClickCallback([]() {}),
	m_OnMouseInCallback([]() {}),
	m_OnMouseOutCallback([]() {}),
	m_OnSelectCallback([]() {}),
	m_OnUnselectCallback([]() {})
{
}

MouseNode::~MouseNode()
{
}

bool MouseNode::_exec(bool active)
{
	// <20><> display <20><><EFBFBD><EFBFBD>Ϊ false<73><65><EFBFBD>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD>
	if (!m_bDisplay)
	{
		return false;
	}
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD>ý<EFBFBD><C3BD>㣬<EFBFBD><E3A3AC><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5><EFBFBD>Բ<EFBFBD><D4B2>˳<EFBFBD>
	if (!active)
	{
		reset();
		return false;
	}
	// <20>жϽڵ㵱ǰ<E3B5B1><C7B0>״̬
	// <20><><EFBFBD>ڵ<EFBFBD>δȡ<CEB4>ý<EFBFBD><C3BD>㣬<EFBFBD><E3A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϽڵ<CFBD>״̬
	if (!m_bTarget)
	{
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD>ڽڵ<DABD><DAB5><EFBFBD><EFBFBD>ڵľ<DAB5><C4BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		if (_isMouseIn())
		{
			// ״̬<D7B4><CCAC>Ϊ MOUSEIN
			_setStatus(MOUSEIN);
			// <20><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			if (MouseMsg::isOnLButtonDown())
			{
				m_bTarget = true;		// ȡ<>ý<EFBFBD><C3BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
				_setStatus(SELECTED);	// ״̬<D7B4><CCAC>Ϊ SELECTED
			}
			// <20><><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>ȡ<EFBFBD>û<EFBFBD><C3BB>潹<EFBFBD><E6BDB9>
			if (m_bBlock) return true;
		}
		else
		{
			reset();		// <20>ָ<EFBFBD>Ĭ<EFBFBD><C4AC>״̬
		}
	}
	else
	{
		// <20>ڵ<EFBFBD>ȡ<EFBFBD>ý<EFBFBD><C3BD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̧<EFBFBD><CCA7>
		if (MouseMsg::isOnLButtonUp())
		{
			// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̧<EFBFBD><CCA7>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽڵ<DABD><DAB5><EFBFBD>
			if (_isMouseIn())
			{
				m_ClickCallback();	// ִ<>лص<D0BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
			}
			reset();				// <20>ָ<EFBFBD>Ĭ<EFBFBD><C4AC>״̬
		}
		// <20><><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>ȡ<EFBFBD>û<EFBFBD><C3BB>潹<EFBFBD><E6BDB9>
		if (m_bBlock) return true;
	}
	return false;
}

void MouseNode::_onDraw()
{
	// <20>ڵ<EFBFBD><DAB5>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ
	if (!m_bDisplay)
	{
		return;
	}
	// <20>ڵ<EFBFBD><DAB5>Ƿ<EFBFBD><C7B7><EFBFBD>ѡ<EFBFBD><D1A1>
	if (m_eStatus == SELECTED)
	{
		_onSelected();
	}
	else
	{
		// <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>ڽڵ<DABD><DAB5><EFBFBD>
		if (m_eStatus == MOUSEIN)
		{
			_onMouseIn();
		}
		else
		{
			_onNormal();
		}
	}
}

bool MouseNode::_isMouseIn()
{
	return isPointIn(MouseMsg::getPos());
}

void MouseNode::_setStatus(Status status)
{
	if (m_eStatus != status)
	{
		// <20>˳<EFBFBD>ij<EFBFBD><C4B3>״̬<D7B4>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
		if (m_eStatus == MOUSEIN)
		{
			m_OnMouseOutCallback();
		}
		else if (m_eStatus == SELECTED)
		{
			m_OnUnselectCallback();
		}
		// <20><><EFBFBD><EFBFBD>ij<EFBFBD><C4B3>״̬<D7B4>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
		if (status == MOUSEIN)
		{
			m_OnMouseInCallback();
		}
		else if (status == SELECTED)
		{
			m_OnSelectCallback();
		}
		m_eStatus = status;
	}
}

bool MouseNode::isMouseIn()
{
	return m_eStatus == MOUSEIN || m_eStatus == SELECTED;
}

bool MouseNode::isSelected()
{
	return m_eStatus == SELECTED;
}

void MouseNode::setClickedCallback(const CLICK_CALLBACK & callback)
{
	m_ClickCallback = callback;
}

void MouseNode::setMouseInCallback(const CLICK_CALLBACK & callback)
{
	m_OnMouseInCallback = callback;
}

void MouseNode::setMouseOutCallback(const CLICK_CALLBACK & callback)
{
	m_OnMouseOutCallback = callback;
}

void MouseNode::setSelectCallback(const CLICK_CALLBACK & callback)
{
	m_OnSelectCallback = callback;
}

void MouseNode::setUnselectCallback(const CLICK_CALLBACK & callback)
{
	m_OnUnselectCallback = callback;
}

void MouseNode::reset()
{
	m_bTarget = false;		// ʧȥ<CAA7><C8A5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	_setStatus(NORMAL);		// <20>ָ<EFBFBD>Ĭ<EFBFBD><C4AC>״̬
}

void MouseNode::setBlock(bool block)
{
	m_bBlock = block;
}