自定义MFC编辑框以及按钮

// MyButton.cpp : 实现文件 // #include "stdafx.h" #include "BkgButton.h" // CBkgButton #define SAFEDELETE(obj) \ if (NULL != obj)\ { delete obj;\ obj = NULL;} IMPLEMENT_DYNAMIC(CBkgButton, CButton) CBkgButton::CBkgButton() { m_pBkgNormal = NULL; m_pBkgHoverOn = NULL; m_pBkgSelected = NULL; m_bAllowMouseTrack = TRUE; m_bHoverOn = FALSE; m_btnCliked = FALSE; m_BtnType = BTNTYPE_NORMAL; m_nPosX = 0; m_nPosY = 0; m_bCenterText = TRUE; m_pTextFont = NULL; m_pCurDc = NULL; m_NullBrush.CreateStockObject(NULL_BRUSH); } CBkgButton::~CBkgButton() { SAFEDELETE(m_pTextFont) } BEGIN_MESSAGE_MAP(CBkgButton, CButton) ON_WM_ERASEBKGND() ON_WM_MOUSEMOVE() ON_WM_MOUSEHOVER() ON_WM_MOUSELEAVE() ON_WM_CTLCOLOR_REFLECT() ON_WM_LBUTTONDOWN() ON_WM_DRAWITEM() END_MESSAGE_MAP() BOOL CBkgButton::SetBkgNormalRes( UINT nNormalRID, LPCTSTR lpszType/*=_T("PNG")*/ ) { return G_ImageFromIDResource(nNormalRID, lpszType, m_pBkgNormal); } BOOL CBkgButton::SetBkgHoverOnRes( UINT nHoverOnRID, LPCTSTR lpszType/*=_T("PNG")*/ ) { return G_ImageFromIDResource(nHoverOnRID, lpszType, m_pBkgHoverOn); } BOOL CBkgButton::SetBkgSelectedRes( UINT nSelectedRID, LPCTSTR lpszType/*=_T("PNG")*/ ) { return G_ImageFromIDResource(nSelectedRID, lpszType, m_pBkgSelected); } // CBkgButton 消息处理程序 BOOL CBkgButton::OnEraseBkgnd(CDC* pDC) { // TODO: 在此添加消息处理程序代码和/或调用默认值ho return TRUE; //return CButton::OnEraseBkgnd(pDC); } void CBkgButton::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_bAllowMouseTrack) { TRACKMOUSEEVENT tme; tme.cbSize = sizeof(TRACKMOUSEEVENT); tme.dwFlags = TME_HOVER | TME_LEAVE; tme.dwHoverTime = 10; tme.hwndTrack = m_hWnd; _TrackMouseEvent(&tme); m_bAllowMouseTrack = FALSE; Invalidate(); } CButton::OnMouseMove(nFlags, point); } void CBkgButton::OnMouseHover(UINT nFlags, CPoint point) { m_bHoverOn = TRUE; Invalidate(TRUE); CButton::OnMouseHover(nFlags, point); } void CBkgButton::OnMouseLeave() { m_bHoverOn = FALSE; m_bAllowMouseTrack = TRUE; Invalidate(TRUE); CButton::OnMouseLeave(); } void CBkgButton::SetBtnClicked( BOOL bClicked ) { m_btnCliked = bClicked; Invalidate(TRUE); } HBRUSH CBkgButton::CtlColor( CDC* pDC, UINT nCtlColor ) { if (CTLCOLOR_BTN == nCtlColor) { pDC->SetBkMode(TRANSPARENT); } if (NULL == m_dcBk.m_hDC) { CBitmap bmp, *pOldBitmap; CRect rect1, rect; GetClientRect(rect); CClientDC clDC(GetParent()); GetWindowRect(rect1); GetParent()->ScreenToClient(rect1); m_dcBk.CreateCompatibleDC(&clDC); bmp.CreateCompatibleBitmap(&clDC, rect.Width(), rect.Height()); pOldBitmap = m_dcBk.SelectObject(&bmp); m_dcBk.BitBlt(0, 0, rect.Width(), rect.Height(), &clDC, rect1.left, rect1.top, SRCCOPY); bmp.DeleteObject(); } // 读取正常状态按钮资源到DC if(NULL == m_dcNormal.m_hDC && NULL != m_pBkgNormal) { PaintBk(pDC); CBitmap bmp, *pOldBitmap; Gdiplus::Graphics graphics(pDC->m_hDC); graphics.DrawImage(m_pBkgNormal, 0, 0); CRect rect; GetClientRect(rect); m_dcNormal.CreateCompatibleDC(pDC); bmp.CreateCompatibleBitmap(pDC, rect.Width(), rect.Height()); pOldBitmap = m_dcNormal.SelectObject(&bmp); m_dcNormal.BitBlt(0, 0, rect.Width(), rect.Height(), pDC, 0, 0, SRCCOPY); bmp.DeleteObject(); } // 读取Hover On状态按钮资源到DC if(NULL == m_dcHoverOn.m_hDC && NULL != m_pBkgHoverOn) { PaintBk(pDC); CBitmap bmp, *pOldBitmap; Gdiplus::Graphics graphics(pDC->m_hDC); graphics.DrawImage(m_pBkgHoverOn, 0, 0); CRect rect; GetClientRect(rect); m_dcHoverOn.CreateCompatibleDC(pDC); bmp.CreateCompatibleBitmap(pDC, rect.Width(), rect.Height()); pOldBitmap = m_dcHoverOn.SelectObject(&bmp); m_dcHoverOn.BitBlt(0, 0, rect.Width(), rect.Height(), pDC, 0, 0, SRCCOPY); bmp.DeleteObject(); } // 读取点击之后按钮资源到DC if(NULL == m_dcSelected.m_hDC && NULL != m_pBkgSelected) { PaintBk(pDC); CBitmap bmp, *pOldBitmap; Gdiplus::Graphics graphics(pDC->m_hDC); graphics.DrawImage(m_pBkgSelected, 0, 0); CRect rect; GetClientRect(rect); m_dcSelected.CreateCompatibleDC(pDC); bmp.CreateCompatibleBitmap(pDC, rect.Width(), rect.Height()); pOldBitmap = m_dcSelected.SelectObject(&bmp); m_dcSelected.BitBlt(0, 0, rect.Width(), rect.Height(), pDC, 0, 0, SRCCOPY); bmp.DeleteObject(); } return m_NullBrush; } void CBkgButton::SetBtnPosition( int nX, int nY ) { m_nPosX = nX; m_nPosY = nY; int nLeftStep,nTopStep,nWidthStep,nHeightStep; nLeftStep = 0; nTopStep = 0; nWidthStep = 0; nHeightStep = 0; CRect rect; GetWindowRect(&rect); int nWidth = (NULL != m_pBkgNormal)? m_pBkgNormal->GetWidth():(rect.right - rect.left); int nHeight = (NULL != m_pBkgNormal)? m_pBkgNormal->GetHeight():(rect.bottom - rect.top); rect.left = (0 == m_nPosX)?rect.left:m_nPosX; rect.top = (0 == m_nPosY)?rect.top:m_nPosY; // 考虑内边距的情况 rect.left -= nLeftStep; rect.top -= nTopStep; MoveWindow(rect.left + nLeftStep, rect.top + nTopStep, nWidth - nWidthStep, nHeight - nHeightStep); RefreshBkg(); } void CBkgButton::PreSubclassWindow() { // Set control to owner draw ModifyStyle(0, BS_OWNERDRAW, SWP_FRAMECHANGED); CButton::PreSubclassWindow(); } BOOL CBkgButton::PreTranslateMessage(MSG* pMsg) { // 禁用双击事件 if (pMsg->message == WM_LBUTTONDBLCLK) { pMsg->message = WM_LBUTTONDOWN; } return CButton::PreTranslateMessage(pMsg); } void CBkgButton::DrawItem(LPDRAWITEMSTRUCT lpDIS) { CDC* pDC = CDC::FromHandle(lpDIS->hDC); if (m_bHoverOn) { if (m_btnCliked) { // Hover On and be selected m_pCurDc = (NULL != m_pBkgSelected)? &m_dcSelected: &m_dcNormal; } else { // Hover On and not be selected m_pCurDc = (NULL != m_pBkgHoverOn)? &m_dcHoverOn: &m_dcNormal; } } else { if (m_btnCliked) { // 被选中 m_pCurDc = (NULL != m_pBkgSelected)? &m_dcSelected: &m_dcNormal; }else { // 正常状态 m_pCurDc = &m_dcNormal; } } PaintBtn(pDC); } // 鼠标点击按钮，选中该按钮 void CBkgButton::OnLButtonDown(UINT nFlags, CPoint point) { m_btnCliked = TRUE; Invalidate(TRUE); CButton::OnLButtonDown(nFlags, point); } void CBkgButton::UpdateStatic( LPCTSTR lpszText , BOOL bCenter) { m_bCenterText = bCenter; m_sCaption = lpszText; SetWindowText(lpszText); Invalidate(TRUE); } BOOL CBkgButton::SetTextFont( int nHeight /*= 18*/, int nWidth /*= 10*/, LPCTSTR lpszFaceName /*= _T("宋体")*/ ) { if (NULL != m_pTextFont) { delete m_pTextFont; m_pTextFont = NULL; } m_pTextFont = new CFont; m_pTextFont->CreateFont( nHeight, // nHeight nWidth, // nWidth 0, // nEscapement 0, // nOrientation FW_NORMAL, // nWeight FALSE, // bItalic FALSE, // bUnderline 0, // cStrikeOut ANSI_CHARSET, // nCharSet OUT_DEFAULT_PRECIS, // nOutPrecision CLIP_DEFAULT_PRECIS, // nClipPrecision DEFAULT_QUALITY, // nQuality DEFAULT_PITCH | FF_SWISS, // nPitchAndFamily lpszFaceName); this->SetFont(m_pTextFont); return TRUE; } //============================================================================= // paint the background //============================================================================= void CBkgButton::PaintBk( CDC* pDC ) { if (NULL != m_dcBk.m_hDC) { CRect rect; GetClientRect(rect); pDC->BitBlt(0, 0, rect.Width(), rect.Height(), &m_dcBk, 0, 0, SRCCOPY); } } void CBkgButton::RefreshBkg() {