MenuEx.zip【这是一个上古时代的MFC自绘制菜单】

#include "stdafx.h" #include "MenuEx.h" // MenuEx.cpp: implementation of the CMenuEx class. ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// //IMPLEMENT_DYNAMIC(CMenuEx, CMenu) CMenuEx::CMenuEx() :m_szDynamic(15, 15) { m_clrBack = RGB(239, 243, 255); m_clrText = ::GetSysColor(COLOR_MENUTEXT); m_clrSelectText = ::GetSysColor(COLOR_HIGHLIGHTTEXT); m_clrLeft = m_clrBack; m_clrSelectBorder = RGB(49, 106, 197); m_clrSelectRect = RGB(193, 210, 238); m_clrSideBarStart = RGB(0, 0, 0); m_clrSideBarEnd = RGB(255, 255, 255); m_clrSeparator = RGB(0, 122, 204); m_nSeparator = 4; //sparator的默认高度 m_bBreak = FALSE; m_bBreakBar = FALSE; m_font.DeleteObject(); m_font.CreatePointFont(120, "MicrSoft YaHei"); } CMenuEx::~CMenuEx() { Destroy(); } void CMenuEx::Destroy() { for (int i = 0; i < m_arrSubMenu.GetSize(); i++) { CMenuEx *pSubMenu = m_arrSubMenu.GetAt(i); delete pSubMenu; } for (int i = 0; i < m_arrMenuItem.GetSize(); i++) { CMenuExItem *pMenuItem = m_arrMenuItem.GetAt(i); delete pMenuItem; } DestroyMenu(); } ///////////////////////////////////////////////// //当菜单项为不可用时绘制灰色的文本 void CMenuEx::GrayString(CDC *pDC, const CString &str, const CRect rect) { CRect rt(rect); //int nMode =pDC->SetBkMode(TRANSPARENT); 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(127, 127, 127)); pDC->DrawText(str, &rt, DT_EXPANDTABS | DT_VCENTER | DT_SINGLELINE); //pDC->SetBkMode(nMode); } void CMenuEx::DrawMenuSepartor(CDC *pDC, CRect &rect) { CRect rcTemp(rect); CPen pen(PS_SOLID, 1, m_clrSeparator); CPen* pOldPen = pDC->SelectObject(&pen); pDC->MoveTo(rcTemp.left, rcTemp.top + rcTemp.Height() / 2); pDC->LineTo(rcTemp.right, rcTemp.top + rcTemp.Height() / 2); pDC->SelectObject(pOldPen); } void CMenuEx::DrawMenuGrayed(CDC *pDC, CRect &rect, CMenuExItem* lpItem) { CRect rc(rect.left, rect.top, rect.left + m_szDynamic.cx + 4, rect.top + m_szDynamic.cy + 4); CPoint pt(rc.left, rc.top); CSize si(rc.Width(), rc.Height()); pDC->DrawState(pt, si, lpItem->m_strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL); } void CMenuEx::DrawMenuDisabled(CDC *pDC, CRect &rect, CMenuExItem* lpItem) { CRect rc(rect.left, rect.top, rect.left + m_szDynamic.cx + 4 , rect.top + m_szDynamic.cy + 4); } void CMenuEx::DrawCheckedMark(CDC *pDC, CRect &rect, CMenuExItem* lpItem) { CRect rc(rect.left, rect.top, rect.left + m_szDynamic.cx + 4, rect.top + m_szDynamic.cy + 4); CRect rcII(rect); rcII.right = rcII.Height(); rc.MoveToXY(rcII.left + rcII.Width() / 3, rcII.top + rcII.Height() / 4); COLORREF clrOld = pDC->SetTextColor(RGB(255, 255, 255)); pDC->DrawText("√", &rc, DT_EXPANDTABS | DT_VCENTER | DT_SINGLELINE); pDC->SetTextColor(clrOld); } ///////////////////////////////////////////////// void CMenuEx::DrawMenuIcon(CDC *pDC, CRect &rect, BOOL bSelected, CMenuExItem* lpItem) { CRect rcImg(rect); rcImg.right = rcImg.Height(); if (bSelected) { rcImg.DeflateRect(1, 1 , 1, 1 ); pDC->Draw3dRect(rcImg, RGB(255, 0, 0), RGB(255, 0, 0)); } if (rcImg.Height() <= 16) { ::DrawIconEx(pDC->m_hDC, rcImg.left, rcImg.top, lpItem->m_hIcon, rcImg.Width(), rcImg.Height(), 0, NULL, DI_NORMAL); } else { int dec = rect.Height()*(bSelected ? 0.2 : 0.3); rcImg.DeflateRect(dec, dec, dec, dec); DrawIconEx(pDC->m_hDC, rcImg.left, rcImg.top, lpItem->m_hIcon, rcImg.Width(), rcImg.Height(), 0, NULL, DI_NORMAL); } } ///////////////////////////////////////////////// //绘制菜单项文本 //参数：rect:立体矩形的RECT // rtText:菜单文本的RECT void CMenuEx::DrawMenuText(CDC *pDC, CRect rect, CRect rcText, BOOL bSelected, CMenuExItem* lpItem) { //选中状态的菜单项要先画出立体矩形 if (bSelected) { CRect rcItem = rect; CPen BorderPen, *pOldPen; BorderPen.CreatePen(PS_SOLID, 1, m_clrSelectBorder); //边框颜色 CBrush BKBrush, *pOldBrush; BKBrush.CreateSolidBrush(m_clrSelectRect); //选中后的颜色 pOldPen = pDC->SelectObject(&BorderPen); pOldBrush = pDC->SelectObject(&BKBrush); pDC->Rectangle(&rcItem); pDC->SelectObject(pOldPen); pDC->SelectObject(pOldBrush); } pDC->SelectObject(&m_font); static int nLeft = rcText.bottom; static int nTop = rect.Height(); rcText.MoveToXY(rcText.left + nLeft / 3, rcText.bottom - nTop); rcText.bottom = rcText.top + nTop; pDC->DrawText(lpItem->m_strText, rcText, DT_VCENTER | DT_SINGLELINE | DT_LEFT); } void CMenuEx::DrawItem(LPDRAWITEMSTRUCT lpDIS) { ASSERT(lpDIS); if (lpDIS->CtlType != ODT_MENU) return; CDC dc; CMenuExItem* lpItem; CRect rect(lpDIS->rcItem); dc.Attach(lpDIS->hDC); lpItem = (CMenuExItem*)lpDIS->itemData; //被选中的话,使用被选中的文本颜色 if (lpDIS->itemState & ODS_SELECTED) dc.SetTextColor(m_clrSelectText); else dc.SetTextColor(m_clrText); //设定背景色 CBrush brush(m_clrBack); CRect rcII(rect); rcII.MoveToX(rcII.left + rcII.Height() / 2); dc.FillRect(&rcII, &brush); CRect rcLeft = rect; rcLeft.right = rcLeft.left + m_szDynamic.cx + 5; dc.FillSolidRect(&rcLeft, m_clrLeft); //设定显示模式 dc.SetBkMode(TRANSPARENT); //绘制侧边位图 //get the drawing area CRect rcItem = lpDIS->rcItem; if (lpItem->m_bSideBar) { } if (lpItem->m_nID == 0)//分隔条 { DrawMenuSepartor(&dc, rect); } else { BOOL bSelected = lpDIS->itemState & ODS_SELECTED; BOOL bChecked = lpDIS->itemState & ODS_CHECKED; BOOL bGrayed = lpDIS->itemState & ODS_GRAYED; BOOL bExistImage = (lpItem->m_hIcon != NULL) ? true : false; BOOL bDisabled = lpDIS->itemState & ODS_DISABLED; //绘制菜单文本 CRect rcText = rect; rcText.left += rect.Height(); DrawMenuText(&dc, rect, rcText, bSelected, lpItem); //绘制菜单位图 if (bExistImage) { DrawMenuIcon(&dc, rect, bSelected, lpItem); } if (bChecked) { DrawCheckedMark(&dc, rect, lpItem); } if (bGrayed) { DrawMenuGrayed(&dc, rect, lpItem); } if (bDisabled) { DrawMenuDisabled(&dc, rect, lpItem); } } dc.SetBkMode(OPAQUE); dc.Detach(); } void CMenuEx::MeasureItem(LPMEASUREITEMSTRUCT lpMIS) { if (lpMIS->CtlType != ODT_MENU) return; CMenuExItem *lpItem = (CMenuExItem*)lpMIS->itemData; if (!lpItem) return; if (lpItem->m_nID == 0)//分隔条 { lpMIS->itemHeight = m_nSeparator; } else if (lpItem->m_bSideBar) { lpMIS->itemWidth = lpItem->m_nSize; lpMIS->itemHeight = 0; } else { LOGFONT lg; m_font.GetLogFont(&lg); CString m_strText = lpItem->m_strText; CSize size = GetTextSize(m_strText, lg); lpMIS->itemWidth = size.cx; lpMIS->itemHeight = m_szDynamic.cy + 20; lpMIS->itemWidth += lpMIS->itemHeight*1.5; } int xx = 1; } void CMenuEx::SetTextColor(COLORREF crColor) { m_clrText = crColor; for (int i = 0; i < m_arrSubMenu.GetSize(); i++) { CMenuEx *pSubMenu = m_arrSubMenu.GetAt(i); pSubMenu->SetTextColor(crColor); } } void CMenuEx::SetBackColor(COLORREF crColor) { m_clrBack = crColor; for (int i = 0; i < m_arrSubMenu.GetSize(); i++) { CMenuEx *pSubMenu = m_arrSubMenu.GetAt(i); pSubMenu->SetBackColor(crColor); } //偷懒不设置 SetLeftColor(crColor); } void CMenuEx::SetSelectTextColor(COLORREF crColor) { m_clrSelectText = crColor; for (int i = 0; i < m_arrSubMenu.GetSize(); i++) { CMenuEx *pSubMenu = m_arrSubMenu.GetAt(i); pSubMenu->SetSelectTextColor(crColor); } } void CMenuEx::SetSelectRectColor(COLORREF clrRect, COLORREF clrBorder) { m_clrSelectRect = clrRect; m_clrSelectBorder = clrBorder; for (int i = 0; i < m_arrSubMenu.GetSize(); i++) { CMenuEx