mycoolmenu.cpp

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// MyCoolMenu.cpp: implementation of the CMyCoolMenu class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "MyCoolMenu.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CMyCoolMenu::CMyCoolMenu()
{
	index = 0;
	//lpMenu = new CMenuItemContext();	
}

CMyCoolMenu::~CMyCoolMenu()
{
	index = 0;	
}

/**********************************************************
函  数  名: GetIconIndexByID
作      用: 从ImageList 中取出图标的索引
形  参  数: UINT uID
返	回  值: 成功时返回索引，否则返回-1
***********************************************************/
int	CMyCoolMenu::GetIconIndexByID(UINT uID)
{	
	for(int i = 0; i < m_menuIDs.GetSize(); i ++)
	{
		if(uID == m_menuIDs[i])
		{
			ASSERT(i < m_ImageList.GetImageCount());
			return i;
		}
	}
	return -1;
}
/**********************************************************
函  数  名: ChangeMenuStyle
作      用: 改变主菜单的风格
形  参  数: HMENU hMenu, BOOL bTop
返	回  值: BOOL,dndn成功时返回真，失败时出错
***********************************************************/
BOOL	CMyCoolMenu::ChangeMenuStyle(HMENU hMenu, BOOL bTop = FALSE)
{
	CMenu *pMenu = CMenu::FromHandle(hMenu);
	if(pMenu != NULL)
	{
		for(UINT i = 0; i < pMenu->GetMenuItemCount(); i ++)
		{
			 
			lpMenu[index].nMenuID = pMenu->GetMenuItemID(i);
			if(lpMenu[index].nMenuID < 0 && bTop)
			{
				lpMenu[index].nMenuID = -2;
			}
			pMenu->GetMenuString(i, lpMenu[index].strText, MF_BYPOSITION);
			pMenu->ModifyMenu(i,  MF_OWNERDRAW|MF_BYPOSITION |MF_STRING,//MF_BYPOSITION |
				lpMenu[index].nMenuID,LPCTSTR(&lpMenu[index]));
			CMenu *pSubMenu = pMenu->GetSubMenu(i);
			if(pSubMenu && lpMenu->nMenuID != -2 && !bTop)
			{
				lpMenu[index].nMenuID = -1;
			}
			index += 1;
			if(pSubMenu)
			{
				ChangeMenuStyle(pSubMenu->GetSafeHmenu());
			}		
		}		
	}
	return TRUE;
}

/**********************************************************
函  数  名: AttachMenu
作      用: 将当前窗口的菜单与我的菜单关联
形  参  数: HMENU hMenu,UINT uToolBarID,CSize sz
返	回  值: BOOL,dndn成功时返回真，失败时出错
***********************************************************/
BOOL	CMyCoolMenu::AttachMenu(HMENU hMenu,UINT uToolBarID,CSize sz)
{
	Attach(hMenu);
	ChangeMenuStyle(hMenu, TRUE);//GetSafeHmenu()
//	GetImageFromToolBar(uToolBarID, sz, &m_ImageList, &m_menuIDs);
	return TRUE;
}

/**********************************************************
函  数  名: DrawBestRect
作      用: 画出最炫丽的效果来
形  参  数: CDC *pDC, CRect rect, COLORREF cr1,COLORREF cr2, BOOL bHor
返	回  值: NULL
***********************************************************/
void CMyCoolMenu::DrawBestRect(CDC *pDC, CRect rect, COLORREF cr1,COLORREF cr2, BOOL bHor)
{
	int r1 = GetRValue(cr1);//Red color1
	int g1 = GetGValue(cr1);//Green color1
	int b1 = GetBValue(cr1);//blue color1
	int r2 = GetRValue(cr2);//red color2
	int g2 = GetGValue(cr2);//green color2
	int b2 = GetBValue(cr2);//blue color2
	if(bHor)
	{
		float dr = ((float)(r2 - r1))/(float)(rect.Width());
		float dg = ((float)(g2 - g1))/(float)(rect.Width());
		float db = ((float)(b2 - b1))/(float)(rect.Width());
		for(int i = rect.left; i < rect.right; i ++)
		{
			int r = r1 + (int)(dr*((float)(i - rect.left)));
			int g = g1 + (int)(dg*((float)(i - rect.left)));
			int b = b1 + (int)(db*((float)(i - rect.left)));
			CPen pen(PS_SOLID, 1, RGB(r, g, b));
			CPen *old = pDC->SelectObject(&pen);
			pDC->MoveTo(i, rect.top);
			pDC->LineTo(i, rect.bottom);
			pDC->SelectObject(old);
		}
	}
	else
	{
		float dr = ((float)(r2 - r1))/(float)(rect.Height());
		float dg = ((float)(g2 - g1))/(float)(rect.Height());
		float db = ((float)(b2 - b1))/(float)(rect.Height());
		for(int i = rect.top; i < rect.bottom; i ++)
		{
			int r = r1 + (int)(dr*((float)(i - rect.top)));
			int g = g1 + (int)(dg*((float)(i - rect.top)));
			int b = b1 + (int)(db*((float)(i - rect.top)));
			CPen pen(PS_SOLID, 1, RGB(r, g, b));
			CPen *old = pDC->SelectObject(&pen);
			pDC->MoveTo(rect.left, i);
			pDC->LineTo(rect.right, i);
			pDC->SelectObject(old);
		}
	}
}
/**********************************************************
函  数  名: DrawTop
作      用: 画最顶端菜单
形  参  数: CDC *pDC,CRect rect,BOOL bSelected
返	回  值: NULL
***********************************************************/
void CMyCoolMenu::DrawTop(CDC *pDC,CRect rect,BOOL bSelected)
{	
	if(bSelected)
	{
		
		pDC->SelectStockObject(BLACK_PEN);
		pDC->Rectangle(&rect);//a rectangle
		rect.DeflateRect(1, 1);
		pDC->FillSolidRect(&rect, RGB(185, 185, 255));
	}
	else
	{		
		CRect rtWnd;		
		AfxGetMainWnd()->GetClientRect(&rtWnd);
		CRect rcGray(rect);
		rcGray.left = 501;
		rcGray.right = rtWnd.right + 4;		
		pDC->FillSolidRect(&rcGray,RGB(155, 200, 255));

		CRect rcWhite(rect);		
		pDC->FillSolidRect(&rcWhite,RGB(155, 200, 255));	
		
	}
}
/**********************************************************
函  数  名: DrawBGColor
作      用: 菜单项的背景由它来完成
形  参  数: CDC* pDC, CRect rect, BOOL bSelected
返	回  值: NULL
***********************************************************/
void CMyCoolMenu::DrawBGColor(CDC* pDC, CRect rect, BOOL bSelected)
{
	if(bSelected)
	{
		pDC->SelectStockObject(NULL_BRUSH);
		pDC->SelectStockObject(BLACK_PEN);
		pDC->Rectangle(&rect);
		rect.DeflateRect(1, 1);
		DrawBestRect(pDC,rect,0xf000,0xff00ff,TRUE);
	}
	else
	{
		CRect rcGray(rect);
		rcGray.right = rcGray.left + Public_Area;
		pDC->FillSolidRect(&rcGray, RGB(0x000000DB, 0x000000D8, 0x000000D1));
		CRect rcWhite(rect);
		rcWhite.left = rcGray.right;
		pDC->FillSolidRect(&rcWhite,RGB(0x000000F9, 0x000000F8, 0x000000F7));
	}
}
/**********************************************************
函  数  名: DrawIcon
作      用: 画出图标
形  参  数: CDC* pDC, CRect rect, UINT uIndex, BOOL IsEnabled
返	回  值: NULL
***********************************************************/
void	CMyCoolMenu::DrawIcon(CDC* pDC, CRect rect, UINT uIndex, BOOL IsEnabled)
{
	rect.DeflateRect(3, 3, 3, 3);
	UINT	uStyle =ILD_TRANSPARENT; //CImageList::Draw()绘制位图的风格
	if(IsEnabled)
	{
		uStyle |=ILD_BLEND50; //菜单无效所以位图也要经过处理
	}
	else
	{
		uStyle |=ILD_BLEND25	;
	}
	m_ImageList.Draw(pDC, uIndex, CPoint(rect.left, rect.top), uStyle);
	
}
/**********************************************************
函  数  名: DrawText
作      用: 画出菜单项的文本
形  参  数: CDC* pDC, CRect rect, CString sText
返	回  值: NULL
***********************************************************/
void CMyCoolMenu::DrawText(CDC* pDC, CRect rect, CString sText)
{
	rect.DeflateRect(8,0,0,0);
	pDC->DrawText(sText, &rect, DT_LEFT | DT_VCENTER | DT_SINGLELINE);
	
}
/**********************************************************
函  数  名: DrawGray
作      用: 输出无效菜单项的文本
形  参  数: CDC* pDC, CRect rect, CString sText
返	回  值: NULL
***********************************************************/
void CMyCoolMenu::DrawGray(CDC* pDC, CRect rect, CString sText)
{
	rect.DeflateRect(8, 0, 0, 0);
	rect.DeflateRect(8, 0, 0, 0);
	CRect	rt(rect);
	int nMode =pDC->SetBkMode(TRANSPARENT);
	pDC->SetTextColor(RGB(127,127,127));
	pDC->DrawText("   "+sText,&rect,DT_EXPANDTABS|DT_VCENTER|DT_SINGLELINE);
	
}
/**********************************************************
函  数  名: DrawItem
作      用: 分开画每一菜单项
形  参  数: LPDRAWITEMSTRUCT  lpDIS，菜单上下文
返	回  值: NULL
***********************************************************/
void	CMyCoolMenu::DrawItem(LPDRAWITEMSTRUCT  lpDIS)
{	
	CDC* pDC = CDC::FromHandle(lpDIS->hDC);    			//获得设备上下文
    VERIFY(pDC);pDC->SetBkMode(TRANSPARENT);			//设置背景透明
    CRect rcItem = lpDIS->rcItem;								//获得菜单项区域
    UINT uState = lpDIS->itemState;    							//获得菜单项状态
    if(lpDIS->itemData == NULL)    return;
    CString strText     = ((CMenuItemContext*)(lpDIS->itemData))->strText;	//获得菜单文本
    UINT nMenuID    = ((CMenuItemContext*)(lpDIS->itemData))->nMenuID;	//获得菜单ID
    CRect rcIcon(rcItem);												//复制菜单区域
    rcIcon.right = rcIcon.left ;	
    CRect rcText(rcItem);
    rcText.left  = rcIcon.right;
    switch(nMenuID)
    {
    case -2:													// -2:顶层菜单条   
        if(uState&ODS_SELECTED)							//选中菜单
        {
            DrawTop(pDC,rcItem,TRUE);						//绘制顶层菜单
        }
        else													//未选中
        {
            DrawTop(pDC,rcItem,FALSE);					//绘制顶层菜单
        }
        DrawText(pDC,rcItem,strText);							//绘制菜单文本
        break;
    case -1:													//-1:弹出菜单  
        strText= "\t   "+strText;								//设置菜单显示文本
        if(uState&ODS_SELECTED)							//选中菜单
            DrawBestRect(pDC,rcItem,0xff00ff,0xfffff,TRUE);		//绘制选中效果
        else													//未选中
            DrawTop(pDC,rcItem,TRUE);						//绘制弹出菜单
        DrawText(pDC,rcText,strText);							//绘制菜单文本
        break;
    case 0:													//0:分隔条  
        rcText.top =rcText.Height()/2+rcText.top ;				//设置分隔条上边
        rcText.bottom =rcText.top +2;							//设置分隔条下边
        rcText.left +=2;
        rcText.right -=2;
        pDC->Draw3dRect(rcText,RGB(64,0,128),RGB(255,255,255));	//绘制分隔条
        break;
    default:													//>0:一般的菜单    
        if(uState&ODS_SELECTED)							//被选择
        {
            rcItem.left -= 20;
            rcItem.right -= 0;
            DrawBGColor(pDC,rcItem,TRUE);					//绘制背景颜色
        }
        else													//未选中
        {
            rcItem.left -= 20;
            rcItem.right -= 0;
            DrawBGColor(pDC,rcItem,FALSE);			//绘制另一种颜色
        }
        int nIndex = GetIconIndexByID(nMenuID);
        if(uState&ODS_GRAYED)						//如果是灰色
        {
            if(nIndex >= 0) 
            {
                DrawIcon(pDC,rcItem,nIndex,TRUE);
            }
            DrawGray(pDC,rcText,strText);			//绘制灰色菜单
            break;
        }
        else
        {
            if(nIndex >= 0) 
            {
                DrawIcon(pDC,rcItem,nIndex,FALSE);
            }
        }
        if(uState&ODS_CHECKED)						//是被选中状态
        {
            DrawText(pDC,rcText,"   "+strText);		//绘制文本
            break;
        }
        else											//否则
        {
            DrawText(pDC,rcText,"      "+strText);		//绘制文本
            break;
        }
        break;
    }

}
/**********************************************************
函  数  名: MeasureItem
作      用: 设置每一项的风格等
形  参  数: LPMEASUREITEMSTRUCT lpMIS要用到的结构
返	回  值: NULL
***********************************************************/
void	CMyCoolMenu::MeasureItem(LPMEASUREITEMSTRUCT lpMIS)
{	
	lpMIS->itemWidth = 130;
	lpMIS->itemHeight = 26;
	UINT nMenuID= ((CMenuItemContext*)(lpMIS->itemData))->nMenuID;
	switch(nMenuID)
	{
	case -2:// -2:顶层菜单条  
		lpMIS->itemWidth =((CMenuItemContext*)(lpMIS->itemData))->strText.GetLength()*5;
		break;
	case -1://-1:弹出菜单  
		lpMIS->itemWidth =((CMenuItemContext*)(lpMIS->itemData))->strText.GetLength()*10;
		break;
	case 0://0:分隔条
		lpMIS->itemHeight =10;
		break;
	default://>0:一般的菜单		
		break;	
	}
}
CMenuItemContext::~CMenuItemContext()
{

}
CMenuItemContext::CMenuItemContext()
{
	nMenuID = 0;
	strText = "";
	U_icon = 0;
}