分类: C/C++
2008-08-05 14:00:05
WM_DRAWITEM:绘制菜单的样式 WM_MEASUREITEM:指定要绘制菜单的大小 WM_INITMENU:把框架菜单全部改成带MF_OWNERDRAW标志
下面我帖出这三个函数代码,你不想改的话,把这三个函数的代码复制你的程序,编译一下看看你的程序菜单是不是变得很漂亮:)
void CMainFrame::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct) { LPMEASUREITEMSTRUCT& lpM=lpMeasureItemStruct; //起个别名,好用一点 if(lpM->CtlType==ODT_MENU){ //判断是不是菜单要自绘 if(lpM->itemID!=ID_SEPARATOR) //分别设定普通菜单和分隔栏的大小 { lpM->itemHeight=20; //分隔栏大小 lpM->itemWidth=150; } else { lpM->itemHeight=1; //普通菜单大小 lpM->itemWidth=150; } } } void CMainFrame::OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct) { LPDRAWITEMSTRUCT& lpD=lpDrawItemStruct; //起个别名,好用一点 //判断是不是菜单自绘,因为按钮也可以自绘 if(nIDCtl==0) { CDC* pDC=CDC::FromHandle(lpD->hDC); //得到菜单的设备指针,用来绘制菜单 pDC->SetBkMode(TRANSPARENT); CMenu menu; menu.Attach((HMENU)lpD->hwndItem); //得到框架菜单对象 CRect AllRgn(lpD->rcItem); //得到当前绘制的菜单选项项大小 CRect FrontRgn(AllRgn.left,AllRgn.top,20,AllRgn.bottom); CBrush brushAll(RGB( 250,250,250 )); //初始化画刷 CBrush brushFront(RGB( 230,230,230 )); CBrush brushSel(RGB(148,170,214 )); CString strText; menu.GetMenuString(lpD->itemID,strText,MF_BYCOMMAND); //得到当前绘制的菜单选项文本 if(lpD->itemID!=ID_SEPARATOR) //菜单和分隔栏分别绘制 { if(lpD->itemAction & ODA_SELECT) //菜单选中时的样式 { pDC->FillRect(AllRgn,&brushSel); //绘制 if(lpD->itemState &ODS_GRAYED) //设定文本颜色(在最后才绘制出来) pDC->SetTextColor(RGB(194,194,194)); else if(lpD->itemState & ODS_SELECTED) pDC->SetTextColor(RGB(250,250,250)); } //菜单非选中时的样式 if(!((lpD->itemAction & ODA_SELECT) && (lpD->itemState & ODS_SELECTED))) { pDC->FillRect(AllRgn,&brushAll); //绘制 pDC->FillRect(FrontRgn,&brushFront); if(lpD->itemState & ODS_GRAYED) pDC->SetTextColor(RGB(194,194,194 )); else pDC->SetTextColor(RGB(66,110,180 )); } } else pDC->FillRect(AllRgn,&brushFront); //绘制分隔栏 pDC->TextOut(AllRgn.left 30,AllRgn.top 5,strText); //打印出字体 menu.Detach();//分隔菜单句柄和对象(必要!) } } void CMainFrame::OnInitMenu(CMenu* pMenu) { CMenu *pSubMenu; UINT nCount,nSubCount,nID; CString strText; nCount=pMenu->GetMenuItemCount(); for(UINT i=0;i这样,你的程序就拥有了一个漂亮的菜单:) 这只是个初板而已。GetSubMenu(i); nSubCount=pSubMenu->GetMenuItemCount(); for(UINT j=0;j GetMenuItemID(j); //将框架菜单所有菜单都添加MF_OWNERDRAW标志 pSubMenu->ModifyMenu(j,MF_BYPOSITION|MF_OWNERDRAW,nID); pSubMenu->GetMenuString(j,strText,MF_BYPOSITION); } } }
void CMainFrame::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct) lpMeasureItemStruct 是指向MEASUREITEMSTRUCT结构体的指针,其成员变量 UINT CtlType; // 要绘制的类型 UINT itemID; // 菜单选项ID UINT itemWidth; //菜单选项宽度 UINT itemHeight; //菜单选项高度 void CMainFrame::OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct) lpDrawItemStruct 是指向DRAWITEMSTRUCT结构体的指针,其成员变量 UINT CtlType; // 要绘制的类型 UINT itemID; // 菜单选项ID UINT itemAction; // 菜单动作 UINT itemState; // 菜单选项的当前状态 HWND hwndItem; // 顶层菜单的句柄 HDC hDC; // 绘制设备DC RECT rcItem; // 菜单选项的大小 DWORD itemData; // 附加自定义数据,由AppendMenu或InsertMenu或ModifyMenu的lpszNewItem指定