JuniorHighClient/HJHomework/PushButton.cpp

// PushButton.cpp : 实现文件
//

#include "stdafx.h"
#include "PushButton.h"
#include "CacheDC.h"

// CPushButton

IMPLEMENT_DYNAMIC(CPushButton, CButton)

CPushButton::CPushButton()
: m_strPathIcon(_T(""))
, m_bSelected(FALSE)
{
	m_bkColor = RGB(65, 188, 131);												//	文本按钮的背景颜色
	m_pImage = nullptr;															//	位图按钮的背景图片
	m_bHover = m_bPress = m_bFocus = m_bMouseTracking = FALSE;					//	初始化鼠标的相关状态
	m_bEnable = TRUE;
	m_nRounded = 3;																//	圆角的大小
	m_dwStyle = WS_VISIBLE | WS_CHILD | BS_CENTER | BS_VCENTER;					//	按钮样式

	m_bFillet = TRUE;

	m_image = nullptr;

	//	初始化字体
	m_font.CreatePointFont(110 ,L"微软雅黑");
}

CPushButton::~CPushButton()
{
	if(m_pImage != nullptr)
		delete m_pImage;

	if(m_image != nullptr)
		delete m_image;
}


BEGIN_MESSAGE_MAP(CPushButton, CButton)
	ON_WM_PAINT()
	ON_WM_SETCURSOR()
	ON_WM_MOUSEMOVE()
	ON_WM_MOUSEHOVER()
	ON_WM_MOUSELEAVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_LBUTTONDBLCLK()
	ON_WM_ERASEBKGND()
END_MESSAGE_MAP()

// CPushButton 消息处理程序

BOOL CPushButton::Create(CWnd* pParentWnd, UINT nID, CRect& rect, DWORD btnType, LPCTSTR lpszCaption
	,COLORREF bkColor/* = RGB(65,188,131)*/
	,COLORREF fontColor/* = RGB(255,255,255)*/
	,COLORREF bordercolor/* = NULL*/)
{
	// TODO: 在此添加专用代码和/或调用基类
	m_btn_type = btnType;
	m_bkColor = bkColor;
	m_fontcolor = fontColor;

	if(bordercolor == NULL)
		m_bordercolor = m_bkColor;

	if (m_btn_type&BUTTON_TYPE_IMAGE)
		m_pImage = new CImageEx(lpszCaption);

	if (m_btn_type&BUTTON_TYPE_SUPTAB)
		m_dwStyle |= WS_TABSTOP;

	m_lpszText = lpszCaption;
	if (m_btn_type&BUTTON_TYPE_IMAGE)
	{
		lpszCaption = L"";
		m_lpszText=	L"";
	}

	if (m_btn_type&BUTTON_TYPE_IMAGE2 && m_strPathIcon != "")
	{
		m_image = new CImageEx(m_strPathIcon);
	}

	BOOL ret = CButton::Create(lpszCaption, m_dwStyle, rect, pParentWnd, nID);

	if (m_btn_type&BUTTON_TYPE_TEXT && m_bFillet)
	{
		//	裁剪成圆角按钮
		CRgn rgnClient;
		rgnClient.CreateRoundRectRgn(0,0,rect.Width(),rect.Height(),m_nRounded,m_nRounded);
		SetWindowRgn(rgnClient,TRUE);
	}

	return ret;
}

BOOL CPushButton::Create(CWnd* pParentWnd, UINT nID, CPoint& point, CSize& size, DWORD btnType, LPCTSTR lpszCaption
	,COLORREF bkColor/* = RGB(65,188,131)*/
	,COLORREF fontColor/* = RGB(65,188,131)*/
	,COLORREF bordercolor/* = NULL*/)
{
	return Create(pParentWnd,nID,CRect(point.x, point.y, point.x + size.cx, point.y + size.cy),btnType,lpszCaption,bkColor,fontColor,bordercolor);
}

void CPushButton::OnPaint()
{
	CPaintDC dc(this);
	CRect rcClient;
	GetClientRect(rcClient);
	CCacheDC pCacheDC(&dc,rcClient);

	if(m_btn_type&BUTTON_TYPE_TEXT)
		DrawTextButton(pCacheDC,rcClient);
	else if(m_btn_type&BUTTON_TYPE_ICON)
		DrawIconButton(pCacheDC,rcClient);
	else if (m_btn_type&BUTTON_TYPE_IMAGE)
		DrawBitmapButton(pCacheDC,rcClient);
	else if (m_btn_type&BUTTON_TYPE_IMAGE2)
		DrawIconButton2(pCacheDC,rcClient);
}

void CPushButton::DrawTextButton(CDC* pDC, CRect& rcClient)
{

	//////////////////////////////////////////////////////////////////////////
	//							设置按钮背景颜色
	//	获取背景颜色值
	BYTE bkRed = GetRValue(m_bkColor);
	BYTE bkGreen = GetGValue(m_bkColor);
	BYTE bkBlue = GetBValue(m_bkColor);

	//	获取文本颜色
	BYTE fontRed = GetRValue(m_fontcolor);
	BYTE fontGreen = GetGValue(m_fontcolor);
	BYTE fontBlue = GetBValue(m_fontcolor);

	//	获取边框颜色
	BYTE borderRed = GetRValue(m_bordercolor);
	BYTE borderGreen = GetGValue(m_bordercolor);
	BYTE borderBlue = GetBValue(m_bordercolor);

	COLORREF fontColor, bkColor, borderColor;
	if(!m_bEnable)
	{
		fontColor = RGB(150,150,150);
		bkColor = RGB(200,200,200);
		borderColor = RGB(200,200,200);
	}
	else if(m_bHover)
	{
		fontColor = RGB(fontRed, fontGreen, fontBlue);
		if(m_bPress)
		{
			bkColor = RGB(bkRed-10, bkGreen-10, bkBlue-10);
			borderColor = RGB(borderRed - 10, borderGreen - 10, borderBlue - 10);
		}
		else
		{
			bkColor = RGB(bkRed+10, bkGreen+10, bkBlue+10);
			borderColor = RGB(borderRed + 10, borderGreen + 10, borderBlue + 10);
		}
	}
	else
	{
		bkColor = RGB(bkRed,bkGreen,bkBlue);
		fontColor = RGB(fontRed,fontGreen,fontBlue);
		borderColor = RGB(borderRed,borderGreen,borderBlue);
	}

	if(m_bFillet)
	{
		//	画圆角背景
		CRgn rgnClient;
		rgnClient.CreateRoundRectRgn(0,0,rcClient.Width(),rcClient.Height(),m_nRounded,m_nRounded);
		pDC->FillRgn(&rgnClient,&CBrush(bkColor));
		pDC->FrameRgn(&rgnClient,&CBrush(borderColor),1,1);
	}
	else
	{
		pDC->FillSolidRect(rcClient,bkColor);
		pDC->FrameRect(rcClient,&CBrush(borderColor));
	}


	//////////////////////////////////////////////////////////////////////////
	//							画文本

	//	修改文本显示区域(实现按下的效果)
	if(m_bPress)
	{
		rcClient.left += 2;
		rcClient.top += 2;
	}
	pDC->SelectObject(m_font);
	pDC->SetBkMode(TRANSPARENT);
	pDC->SetTextColor(fontColor);

	//	获取按钮文本
	CString sText;
	GetWindowText(sText);
	pDC->DrawText(sText,rcClient,DT_VCENTER|DT_CENTER|DT_SINGLELINE|DT_END_ELLIPSIS);

}

void CPushButton::DrawIconButton2(CDC* pDC, CRect& rcClient)
{
	INT nWidth = rcClient.Width();
	INT nLeft = 0;
	if(m_bSelected)
	{
		nLeft = m_bSelected ? nWidth * -1 : m_bHover ? nWidth * 1 * -1: 0;
	}
	else
	{
		nLeft = m_bSelected ? nWidth * 2 * -1 : m_bHover ? nWidth * 1 * -1: 0;
	}
	m_image->DrawImage(pDC,nLeft,rcClient.top);

}


void CPushButton::DrawIconButton(CDC* pDC, CRect& rcClient)
{
	//////////////////////////////////////////////////////////////////////////
	//							设置按钮背景颜色
	//	获取背景颜色值
	BYTE bkRed = GetRValue(m_bkColor);
	BYTE bkGreen = GetGValue(m_bkColor);
	BYTE bkBlue = GetBValue(m_bkColor);

	//	获取文本颜色
	BYTE fontRed = GetRValue(m_fontcolor);
	BYTE fontGreen = GetGValue(m_fontcolor);
	BYTE fontBlue = GetBValue(m_fontcolor);

	//	获取边框颜色
	BYTE borderRed = GetRValue(m_bordercolor);
	BYTE borderGreen = GetGValue(m_bordercolor);
	BYTE borderBlue = GetBValue(m_bordercolor);

	COLORREF fontColor, bkColor, borderColor;
	if(!m_bEnable)
	{
		fontColor = RGB(50,50,50);
		bkColor = RGB(200,200,200);
		borderColor = RGB(200,200,200);
	}
	else if(m_bHover)
	{
		fontColor = RGB(fontRed, fontGreen, fontBlue);
		if(m_bPress)
		{
			bkColor = RGB(bkRed-10, bkGreen-10, bkBlue-10);
			borderColor = RGB(borderRed - 10, borderGreen - 10, borderBlue - 10);
		}
		else
		{
			bkColor = RGB(bkRed+10, bkGreen+10, bkBlue+10);
			borderColor = RGB(borderRed + 10, borderGreen + 10, borderBlue + 10);
		}
	}
	else
	{
		bkColor = RGB(bkRed,bkGreen,bkBlue);
		fontColor = RGB(fontRed,fontGreen,fontBlue);
		borderColor = RGB(borderRed,borderGreen,borderBlue);
	}

	if(m_bFillet)
	{
		//	画圆角背景
		CRgn rgnClient;
		rgnClient.CreateRoundRectRgn(0,0,rcClient.Width(),rcClient.Height(),m_nRounded,m_nRounded);
		pDC->FillRgn(&rgnClient,&CBrush(bkColor));
		pDC->FrameRgn(&rgnClient,&CBrush(borderColor),1,1);
	}
	else
	{
		pDC->FillSolidRect(rcClient,bkColor);
		pDC->FrameRect(rcClient,&CBrush(borderColor));
	}

	if(m_bSelected)
	{
		CRgn rgnClient;
		rgnClient.CreateRoundRectRgn(0,0,rcClient.Width(),rcClient.Height(),m_nRounded,m_nRounded);
		pDC->FillRgn(&rgnClient,&CBrush(RGB(19,94,64)));
		pDC->FrameRgn(&rgnClient,&CBrush(borderColor),1,1);
	}
	else
	{
		CRgn rgnClient;
		rgnClient.CreateRoundRectRgn(0,0,rcClient.Width(),rcClient.Height(),m_nRounded,m_nRounded);
		pDC->FillRgn(&rgnClient,&CBrush(RGB(25,174,104)));
		pDC->FrameRgn(&rgnClient,&CBrush(borderColor),1,1);
	}

	Graphics graphics( pDC->m_hDC);
	Image image(m_strPathIcon, FALSE);
	graphics.DrawImage(&image,rcClient.left,rcClient.top);

	//////////////////////////////////////////////////////////////////////////
	//							画文本

	//	修改文本显示区域(实现按下的效果)
	if(m_bPress)
	{
		rcClient.left += 2;
		rcClient.top += 2;
	}
	pDC->SelectObject(m_font);
	pDC->SetBkMode(TRANSPARENT);
	pDC->SetTextColor(fontColor);

	//	获取按钮文本
	CString sText;
	GetWindowText(sText);
	if(pDC->GetTextExtent(sText).cx < rcClient.Width())
	{
		pDC->DrawText(sText,rcClient,DT_CENTER|DT_BOTTOM|DT_SINGLELINE|DT_END_ELLIPSIS);
	}
	else
	{
		CFont font;
		font.CreatePointFont(80,L"微软雅黑");
		CFont *font1;
		font1 = pDC->SelectObject(&font);
		pDC->DrawText(sText,rcClient,DT_CENTER|DT_BOTTOM|DT_SINGLELINE|DT_END_ELLIPSIS);
		pDC->SelectObject(font1);											          //	复原画笔
		font.DeleteObject();
	}
}


void CPushButton::DrawBitmapButton(CDC* pDC, CRect& rcClient)
{
	//	绘画背景图案

	if(m_bHover)
	{
		m_pImage->DrawImage(pDC,rcClient.Width() * (m_bPress ? 2 : 1) * -1, 0);
	}
	else
	{
		m_pImage->DrawImage(pDC,0,0);
	}
	
}


BOOL CPushButton::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	::SetCursor(AfxGetApp()->LoadStandardCursor(IDC_HAND));
	//return CButton::OnSetCursor(pWnd, nHitTest, message);
	return TRUE;
}


void CPushButton::OnMouseMove(UINT nFlags, CPoint point)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	if (!m_bMouseTracking){
		TRACKMOUSEEVENT tme;
		tme.cbSize = sizeof(tme);
		tme.hwndTrack = m_hWnd;
		tme.dwFlags = TME_LEAVE | TME_HOVER;
		tme.dwHoverTime = 1;
		m_bMouseTracking = _TrackMouseEvent(&tme);
	}
	//CButton::OnMouseMove(nFlags, point);
}


void CPushButton::OnMouseHover(UINT nFlags, CPoint point)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	m_bHover = m_bMouseTracking = TRUE;
	Invalidate();
	//CButton::OnMouseHover(nFlags, point);
}


void CPushButton::OnMouseLeave()
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	m_bHover = m_bMouseTracking = FALSE;
	Invalidate();
	//CButton::OnMouseLeave();
}


void CPushButton::OnLButtonDown(UINT nFlags, CPoint point)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	m_bPress = TRUE;
	this->SetFocus();
	Invalidate();
	SetCapture();
	//CButton::OnLButtonDown(nFlags, point);
}

static DWORD g_tick_count =0;
void CPushButton::OnLButtonUp(UINT nFlags, CPoint point)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	m_bPress = FALSE;
	Invalidate();
	ReleaseCapture();
	CRect rcClient;
	GetClientRect(rcClient);
	if(rcClient.PtInRect(point))
	{
		if (g_tick_count - GetTickCount()> 250 || g_tick_count == 0){
			this->GetParent()->PostMessage(WM_BUTTON_CLICKED,(WPARAM)this->GetDlgCtrlID(),0);
			g_tick_count = GetTickCount();
		}
	}
}


void CPushButton::OnLButtonDblClk(UINT nFlags, CPoint point)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	//	取消按钮的双击事件
	//CButton::OnLButtonDblClk(nFlags, point);
}


void CPushButton::PreSubclassWindow()
{
	// TODO: 在此添加专用代码和/或调用基类
	CButton::PreSubclassWindow();
}


BOOL CPushButton::PreTranslateMessage(MSG* pMsg)
{
	// TODO: 在此添加专用代码和/或调用基类

	if(pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_RETURN)
	{
		this->GetParent()->PostMessage(WM_BUTTON_CLICKED,(WPARAM)this->GetDlgCtrlID(),0);
		return TRUE;
	}

	return CButton::PreTranslateMessage(pMsg);
}


void CPushButton::EnableWindow(BOOL bEnable/* = TRUE*/)
{
	m_bEnable = bEnable;

	//	禁用前,先绘制禁用时的样式(禁用后,就无效了)
	if(!bEnable)
		Invalidate();

	CButton::EnableWindow(bEnable);
	//	启用后,在绘制一次,不然会以系统默认状态显示
	if(bEnable)
		Invalidate();
}


void CPushButton::SetWindowText(LPCTSTR lpszString)
{
	m_lpszText = lpszString;
	Invalidate(FALSE);
}


void CPushButton::GetWindowText(CString& rString)
{
	rString = m_lpszText;
}

// 当画图板中某个功能被选择时，用于设置其背景色为绿色；当失去功能时，显示为白色
void CPushButton::setBkColor(BOOL bSelected)
{
	m_bSelected = bSelected;
	Invalidate(false);
}
void CPushButton::SetBkColor(COLORREF bk)
{
	m_bkColor=bk;
	Invalidate(TRUE);
}