www.pudn.com > 44757463.rar > LineMenu.cpp
// LineMenu.cpp: implementation of the CLineMenu class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "LineMenu.h"
#include "GraphSoft.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CLineMenu::CLineMenu()
{
m_nSeparatorHeight = 10; //default height of separator
m_nLineLength = 40; //deafult length of line
m_colMenu =::GetSysColor(COLOR_MENU);
m_colText =::GetSysColor(COLOR_ACTIVECAPTION);
m_colTextSelected =::GetSysColor(COLOR_WINDOWTEXT);
m_bGrayed=FALSE;
}
///////////////////////////////////////////////////////
CLineMenu::~CLineMenu()
{
while(!m_ListMenu.IsEmpty())
delete m_ListMenu.RemoveHead();
TRACE("DESTRUCTOR of LineMenu\n");
}
///////////////////////////////////////////////////////
void CLineMenu::MeasureItem(LPMEASUREITEMSTRUCT lpMIS)
{
TRACE("CLineMenu::MeasureItem\n");
MENUITEM *lpItem =(LPMENUITEM)lpMIS->itemData;
if(lpItem->uID==0)//separator
{
lpMIS->itemHeight =m_nSeparatorHeight;
}
else
{
CDC *pDC =AfxGetMainWnd()->GetDC();
CString strText=lpItem->strText;
CSize size;
size=pDC->GetTextExtent(lpItem->strText);
lpMIS->itemWidth =size.cx+m_nLineLength+5;
lpMIS->itemHeight =size.cy+8;
m_nHeight=size.cy+8;
AfxGetMainWnd()->ReleaseDC(pDC);
}
}
///////////////////////////////////////////////////////
void CLineMenu::DrawItem(LPDRAWITEMSTRUCT lpDIS)
{
TRACE("CLineMenu::DrawItem\n");
CDC dc;
LPMENUITEM lpItem;
CRect rect(lpDIS->rcItem);
dc.Attach(lpDIS->hDC);
lpItem =(LPMENUITEM)lpDIS->itemData;
bool bGrayed=FALSE;
CString strText=lpItem->strText;
int n=strText.GetLength();
char chGrayed=strText.GetAt(n-1);
strText=strText.Left(n-1);
if(chGrayed=='1'){
bGrayed=TRUE;
}else{
bGrayed=FALSE;
}
if(lpDIS->itemState & ODS_SELECTED){
dc.SetTextColor(m_colTextSelected);
}else{
dc.SetTextColor(m_colText);
}
//Set the Background color
CBrush brush(m_colMenu);
dc.FillRect(&rect, &brush);
//Set the show mode
//dc.SetBkMode(TRANSPARENT);
if(lpItem->uID==0)//Separator
{
rect.top =rect.Height()/2+rect.top ;
rect.bottom =rect.top +2;
rect.left +=2;
rect.right -=2;
dc.Draw3dRect(rect,RGB(64,0,128),RGB(255,255,255));
}
else
{
BOOL bSelected =lpDIS->itemState & ODS_SELECTED;
BOOL bChecked =lpDIS->itemState & ODS_CHECKED;
// BOOL bGrayed =lpDIS->itemState & ODS_GRAYED;
//Draw the text of Menu item
CRect rtText(rect.left+m_nLineLength+7,rect.top,rect.right ,rect.bottom );
rtText.InflateRect(-2,-2);
DrawText(&dc,rect,rtText,bSelected,bGrayed,strText);
//attention : you have Check that whether menu item is selected while drawing text
///////////// so you need not check again while drawing line
//Draw the line
CString str=lpItem->strText.Left(lpItem->strText.FindOneOf(_T(" ")));
float fLineWidth=StrToFloat(str);
DrawLine(&dc,rect.left+1,(rect.top+rect.bottom)/2,rect.left+40,(rect.top+rect.bottom)/2,bSelected,bGrayed,fLineWidth);
}
dc.Detach();
}
//////////////////////////////////////////////////////////
//change the style of Menu
void CLineMenu::ChangeStyle(CMenu* pMenu)
{
TRACE("CLineMenu::ChangeStyle\n");
LPMENUITEM lpItem;
CMenu *pSubMenu;
int nPosition=0; //该变量用来绘制侧边位图
bool bGrayed;
for(int i=(int)GetMenuItemCount()-1 ;i>=0; i--)
{
lpItem=new MENUITEM();
lpItem->uID=GetMenuItemID(i);
lpItem->uPositionImageLeft =nPosition;
if(pMenu->GetMenuState(i,MF_BYPOSITION)&MF_GRAYED){
bGrayed=TRUE;
}else{
bGrayed=FALSE;
}
if(lpItem->uID >0)
{
nPosition +=m_nHeight;
//Save the Text of menu item
pMenu->GetMenuString(i,lpItem->strText,MF_BYPOSITION);
if(bGrayed){//通过标题挂带灰色标志
lpItem->strText+="1";
}else
{
lpItem->strText+="0";
}
//if this item has sub item , call this function again
pSubMenu =pMenu->GetSubMenu(i);
if(pSubMenu)
ChangeStyle(pSubMenu);
}
else
{
//((CLineMenu*)pMenu)->m_bGrayed=m_bGrayed;
nPosition +=m_nSeparatorHeight;
}
//Change the mode of menu item
pMenu->ModifyMenu(i,MF_BYPOSITION|MF_OWNERDRAW|MF_DISABLED,lpItem->uID,(LPCTSTR)lpItem);
m_ListMenu.AddTail(lpItem);
}
//SetTransparent(70);
}
//////////////////////////////////////////////////////////
float CLineMenu::StrToFloat(CString str)
/////////////////////////////////////////StrToFloat
//Author: xgl
//Date: 2004.3.17
//str: string that will be converted to float value
// return value:
// |____ if success, float value of the str
// |____ if unsuccess, 0
/////////////////////////////////////////
{
char chGet;
float fResult=0;
int nPos;
float fMulty1=10,fMulty2=1,flag=1;
for(nPos=0;nPos0.09)
{
fResult=0;
break;
}
fMulty1=1;
fMulty2=0.1;
flag=0.1;
continue;
}
else if(chGet>='0'&&chGet<='9')
{
fResult=fResult*fMulty1+(chGet-'0')*fMulty2;
fMulty2=fMulty2*flag;
}
else
{
fResult=0;
break;
}
}
return fResult;
}
/////////////////////////////////////////////////////////////////
void CLineMenu::DrawLine(CDC *pDC, int xf,int yf,int xT,int yT, BOOL bSelected, BOOL bGrayed,int nWidth)
{
TRACE("CLineMenu::DrawLine\n");
//you can add other operation about drawing line here
CPen pen,*poldPen;
LOGBRUSH logbr;
logbr.lbStyle=BS_SOLID;
logbr.lbColor=RGB(0,0,0);
if(bSelected){
logbr.lbColor=RGB(127,127,255);
}
if(bGrayed){
logbr.lbColor=RGB(127,127,127);
}
pen.CreatePen(PS_GEOMETRIC,nWidth, &logbr);
poldPen=pDC->SelectObject(&pen);
pDC->MoveTo(xf,yf);
pDC->LineTo(xT,yT);
pDC->SelectObject(poldPen);
}
////////////////////////////////////////////////////
void CLineMenu::DrawText(CDC *pDC, CRect &rtMenu,CRect rtText,BOOL bSelected, BOOL bGrayed, CString strText)
{
TRACE("CLineMenu::DrawText\n");
if(bSelected)
pDC->FillSolidRect(rtText,RGB(127,127,255));
if(bGrayed)
{
GrayString(pDC,strText,rtText);
}
else
{
pDC->DrawText(strText,rtText,DT_CENTER | DT_VCENTER | DT_SINGLELINE);
}
}
///////////////////////////////////////
void CLineMenu::GrayString(CDC *pDC, const CString &str, const CRect rect)
{
TRACE("CLineMenu::GrayString\n");
CRect rt(rect);
rt.left +=1;
rt.top +=1;
pDC->SetTextColor(RGB(255,255,255));
pDC->DrawText(str,&rt,DT_EXPANDTABS|DT_VCENTER|DT_SINGLELINE);
rt.left -=1;
rt.top -=1;
pDC->SetTextColor(RGB(128,128,128));
pDC->DrawText(str,&rt,DT_EXPANDTABS|DT_VCENTER|DT_SINGLELINE);
}
void CLineMenu::SetTransparent(int i)
{
// if(i>100||i<0)
// return;
// if(i == 0) //如果为0，则设为100，即不透明
// i = 100;
// //获得窗口句柄
// HWND hWnd =G_;
// //获取User32.DLL的句柄
// HMODULE hModule =GetModuleHandle("User32.DLL");
// if(hModule == NULL)
// {
// //如果没有得到就退出
// return;
// }
// //自定义函数指针变量类型
// typedef BOOL (WINAPI* SETLAYEREDWND)( HWND, COLORREF, BYTE, DWORD);
// //定义函数指针
// SETLAYEREDWND SetLayeredWindowPtr = NULL;
// //从User32.DLL中获得函数指针
// SetLayeredWindowPtr = (SETLAYEREDWND)GetProcAddress(hModule, "SetLayeredWindowAttributes");
// if(SetLayeredWindowPtr)
// {
// //获取原有窗口风格并加入WS_SYSMENU风格，因为只有此风格的窗口才能设置为透明
// LONG lStyle = GetWindowLong(hWnd, GWL_EXSTYLE) | WS_SYSMENU;
// //设置窗口风格
// SetWindowLong( hWnd, GWL_EXSTYLE, lStyle);
// //设置窗口透明
// SetLayeredWindowPtr( hWnd, 0, BYTE((255 * i) / 100), 2);
// FreeLibrary(hModule);
// }
}