搞了一天终于弄了个完整的编辑框控件出来了，

哎，，，搞界面开发还是有点复杂的。

 

 

1 #pragma once 2  3 #include "AdvEdit.h" 4 // CBkgEditBox 5  6 class CBkgEditBox : public CEdit 7 { 8     DECLARE_DYNAMIC(CBkgEditBox) 9 10 public:11     CBkgEditBox();12     virtual ~CBkgEditBox();13 14 protected:15     DECLARE_MESSAGE_MAP()16 public:17     afx_msg BOOL OnEraseBkgnd(CDC* pDC);18     afx_msg void OnSetFocus(CWnd* pOldWnd);19     afx_msg void OnMouseHover(UINT nFlags, CPoint point);20     afx_msg void OnMouseLeave();21     afx_msg void OnMouseMove(UINT nFlags, CPoint point);22     afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);23     afx_msg HBRUSH CtlColor(CDC* pDC, UINT nCtlColor);24     afx_msg void OnChar(UINT nChar, UINT nRepCnt, UINT nFlags);25     afx_msg void OnKillFocus(CWnd* pNewWnd);26     27 private:28     BOOL m_bFirstDraw;          // 第一次绘制背景标识 29     Gdiplus::Image *m_pPngBg;   // 背景位图资源30     BOOL m_bHover;              // 鼠标是否在编辑框上标识31     BOOL m_bAllowMouseTrack;    // 鼠标移动时是否允许追踪鼠标移动     32     COLORREF m_clrBkgnd;        // 默认背景Hover颜色33     COLORREF m_clrHoverBkgnd;   // 默认背景UnHover颜色34     COLORREF m_clrText;         // 字体颜色35     CString  m_strTipStr;       // 输入提示信息36     CBrush   m_brhNull;         // 空画刷对象37     CFont*   m_pTextFont;       // 编辑框字体38     39 public:40     BOOL SetBackgndRes( UINT nResourceID, LPCTSTR lpszType=_T("PNG"));41     void SetGrayTipString(LPCTSTR lpszTipString);42     void SetTextColor(COLORREF clrText);43     BOOL SetTextFont(int nHeight = 18, int nWidth = 10, LPCTSTR lpszFaceName = _T("宋体"));44   BOOL IsEditEmpty();45 };

 

1 // MyEditBox.cpp : 实现文件  2 //  3   4 #include "stdafx.h"  6 #include "BkgEditBox.h"  7   8   9 // CBkgEditBox 10  11 IMPLEMENT_DYNAMIC(CBkgEditBox, CEdit) 12  13 CBkgEditBox::CBkgEditBox() 14 { 15     m_bFirstDraw = TRUE; 16     m_pPngBg     = NULL; 17     m_bHover     = FALSE; 18     m_bAllowMouseTrack = TRUE; 19  20     m_clrBkgnd      = RGB(255,255,255); 21     m_clrHoverBkgnd = RGB(255,255,255); 22     m_clrText       = RGB(0,0,0); 23     m_strTipStr = _T(""); 24  25     m_brhNull.CreateStockObject(NULL_BRUSH); 26     m_pTextFont = NULL; 27 } 28  29 CBkgEditBox::~CBkgEditBox() 30 { 31     if (NULL != m_pTextFont) 32     { 33         delete m_pTextFont; 34         m_pTextFont = NULL; 35     } 36 } 37  38  39 BEGIN_MESSAGE_MAP(CBkgEditBox, CEdit) 40     ON_WM_ERASEBKGND() 41     ON_WM_SETFOCUS() 42     ON_WM_MOUSEHOVER() 43     ON_WM_MOUSELEAVE() 44     ON_WM_MOUSEMOVE() 45     ON_WM_CTLCOLOR() 46     ON_WM_CTLCOLOR_REFLECT() 47     ON_WM_CHAR() 48     ON_WM_KILLFOCUS() 49 END_MESSAGE_MAP() 50  51  52  53 // CBkgEditBox 消息处理程序 54  55  56  57  58 BOOL CBkgEditBox::OnEraseBkgnd(CDC* pDC) 59 { 60     // 图片背景与编辑框的距离顶点 61     int nLeftStep,nTopStep,nWidthStep,nHeightStep; 62     nLeftStep = 1; 63     nTopStep  = 5; 64     nWidthStep  = 2; 65     nHeightStep = 8; 66     CDC* pOldDC = pDC; 67     if (NULL != m_pPngBg) 68     { 69         pDC = GetParent()->GetDC(); 70         CRect rect; 71         GetWindowRect(&rect); 72         this->GetParent()->ScreenToClient(&rect); 73  74         int nWidth  = m_pPngBg->GetWidth(); 75         int nHeight = m_pPngBg->GetHeight(); 76  77         // 不是第一次绘制时需要调整位置 78         if (!m_bFirstDraw) 79         { 80             rect.left -= nLeftStep; 81             rect.top  -= nTopStep; 82         }else 83         { 84             MoveWindow(rect.left + nLeftStep, rect.top + nTopStep, 85                 nWidth - nWidthStep, nHeight - nHeightStep); 86         } 87  88  89         CDC MemDc; 90         MemDc.CreateCompatibleDC(pDC); 91  92         CBitmap bitMemMap; 93         bitMemMap.CreateCompatibleBitmap(pDC, nWidth, nHeight); 94         MemDc.SelectObject(&bitMemMap); 95  96         Gdiplus::Graphics graphics(MemDc.m_hDC); 97         graphics.DrawImage(m_pPngBg, 0, 0, nWidth, nHeight); 98         pDC->BitBlt(rect.left, rect.top, nWidth,nHeight, &MemDc, 0, 0,SRCCOPY); 99     100         bitMemMap.DeleteObject();101         MemDc.DeleteDC(); 102         m_bFirstDraw = FALSE;103 104         pDC = pOldDC;105     }106 107 108     109     {110     111         // 内阴影112         CBrush brhInnerShadow;113         if (!m_bHover)114         {115             brhInnerShadow.CreateSolidBrush(m_clrBkgnd);116         }else117         {118             brhInnerShadow.CreateSolidBrush(m_clrHoverBkgnd);119         }120         121 122         CBrush* pOldBrh = pDC->SelectObject(&brhInnerShadow);123         pDC->SelectStockObject(NULL_PEN);124         CRect rcShadow;125         GetClientRect(&rcShadow);126         if (NULL != m_pPngBg)127         {128             rcShadow.right  = rcShadow.left + m_pPngBg->GetWidth() - nWidthStep;129             rcShadow.bottom = rcShadow.top + m_pPngBg->GetHeight() - nHeightStep;130         }131         pDC->Rectangle(&rcShadow);132         if(NULL!=pOldBrh)133         {134             pDC->SelectObject(pOldBrh);135         }136         brhInnerShadow.DeleteObject();137         this->UpdateWindow();138 139     }140 141     return CEdit::OnEraseBkgnd(pDC);142 }143 144 BOOL CBkgEditBox::SetBackgndRes( UINT nResourceID, LPCTSTR lpszType/*=_T("PNG")*/ )145 {146     return G_ImageFromIDResource(nResourceID, lpszType, m_pPngBg);147 }148 149 150 void CBkgEditBox::OnMouseHover(UINT nFlags, CPoint point)151 {152     m_bHover = TRUE;153     Invalidate();154 155     CEdit::OnMouseHover(nFlags, point);156 }157 158 159 void CBkgEditBox::OnMouseLeave()160 {161     // Hover结束162     m_bHover = FALSE;163     // 重绘背景164     Invalidate();165 166     // 鼠标离开，继续追踪HOVER消息167     m_bAllowMouseTrack = TRUE;168 169     //CWnd* pWnd =this->GetParent();170 171     //CRect rcTmp;172     //GetClientRect(rcTmp);173     //rcTmp.OffsetRect(3, 3);174     ////InvalidateRect(rcTmp);175     //this->ClientToScreen(&rcTmp);176     //pWnd->ScreenToClient(&rcTmp);177     //pWnd->InvalidateRect(&rcTmp);178     //pWnd->UpdateWindow();179 180 181 182     CEdit::OnMouseLeave();183 }184 185 186 void CBkgEditBox::OnMouseMove(UINT nFlags, CPoint point)187 {188     // 默认情况下，窗口是不响应 WM_MOUSELEAVE 和 WM_MOUSEHOVER 消息的，189     // 所以要使用 _TrackMouseEvent 函数来激活这两个消息190     // https://msdn.microsoft.com/en-us/library/ms645604191 192     if (m_bAllowMouseTrack)193     {194         TRACKMOUSEEVENT tme;195         tme.cbSize      = sizeof(TRACKMOUSEEVENT);196         tme.dwFlags     = TME_HOVER|TME_LEAVE;197         tme.hwndTrack   = m_hWnd;198         tme.dwHoverTime = 10; // 超过10ms才会认为HOVER199 200         _TrackMouseEvent(&tme);201         m_bAllowMouseTrack = FALSE;202     }203 204     CEdit::OnMouseMove(nFlags, point);205 }206 207 BOOL CBkgEditBox::IsEditEmpty()208 {209     CString strText;210     GetWindowText(strText);211     if (strText.IsEmpty())212     {213         return TRUE;214     }215     if (strText == m_strTipStr)216     {217         return TRUE;218     }219     return FALSE;220 }221 222 223 HBRUSH CBkgEditBox::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)224 {225     HBRUSH hbr = CEdit::OnCtlColor(pDC, pWnd, nCtlColor);226 227     // TODO:  在此更改 DC 的任何特性228 229     // TODO:  如果默认的不是所需画笔，则返回另一个画笔230     231     return hbr;232 }233 234 HBRUSH CBkgEditBox::CtlColor( CDC* pDC, UINT nCtlColor )235 {236     // 设置透明背景237     pDC->SetBkMode(TRANSPARENT);238     239     CString sText;240     GetWindowText(sText);241     if (sText == m_strTipStr)242     {243         pDC->SetTextColor(RGB(150,150,150));244     }else245     {246         pDC->SetTextColor(m_clrText);247     }248 249     return m_brhNull;250 }251 252 253 void CBkgEditBox::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)254 {255     Invalidate(TRUE);256 257     CEdit::OnChar(nChar, nRepCnt, nFlags);258 }259 260 261 void CBkgEditBox::OnSetFocus(CWnd* pOldWnd)262 {263     CEdit::OnSetFocus(pOldWnd);264     265     CString sText;266     GetWindowText(sText);267     if (sText == m_strTipStr)268     {269         SetWindowText(_T(""));270     }271     Invalidate(TRUE);272     return ;273     274 }275 void CBkgEditBox::OnKillFocus(CWnd* pNewWnd)276 {277     CEdit::OnKillFocus(pNewWnd);278 279     CString sText;280     GetWindowText(sText);281     if (_T("") == sText)282     {283         SetWindowText(m_strTipStr);284     }285 }286 287 void CBkgEditBox::SetGrayTipString( LPCTSTR lpszTipString )288 {289     m_strTipStr = lpszTipString;290 291     SetWindowText(lpszTipString);292 }293 294 void CBkgEditBox::SetTextColor( COLORREF clrText )295 {296     m_clrText = m_clrText;297 }298 299 // https://msdn.microsoft.com/zh-tw/library/vstudio/2ek64h34.aspx300 BOOL CBkgEditBox::SetTextFont( int nHeight /*= 20*/, int nWidth /*= 12*/, LPCTSTR lpszFaceName /*= _T("宋体")*/ )301 {302     if (NULL != m_pTextFont)303     {304         delete m_pTextFont;305         m_pTextFont = NULL;306     }307     m_pTextFont = new CFont;308     m_pTextFont->CreateFont(309         nHeight,                   // nHeight310         nWidth,                    // nWidth311         0,                         // nEscapement312         0,                         // nOrientation313         FW_NORMAL,                 // nWeight314         FALSE,                     // bItalic315         FALSE,                     // bUnderline316         0,                         // cStrikeOut317         ANSI_CHARSET,              // nCharSet318         OUT_DEFAULT_PRECIS,        // nOutPrecision319         CLIP_DEFAULT_PRECIS,       // nClipPrecision320         DEFAULT_QUALITY,           // nQuality321         DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily322         lpszFaceName);323 324     this->SetFont(m_pTextFont);325     return TRUE;326 }