一个精美的CEdit控件

// OwnerEdit.cpp : implementation file // #include "stdafx.h" #include "OwnerEdit.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // COwnerEdit COwnerEdit::COwnerEdit() { m_BoundryBrush.CreateSolidBrush(RGB(187,200,143)); m_bOnlySupportFolat = FALSE; m_bOnlySupportInt = FALSE; m_bOnlySupportUnsignedInt = FALSE; m_bOnlySupportUnsignedFloat = FALSE; m_wParamMsg = -1; } COwnerEdit::~COwnerEdit() { m_BoundryBrush.DeleteObject(); } BEGIN_MESSAGE_MAP(COwnerEdit, CEdit) //{{AFX_MSG_MAP(COwnerEdit) ON_WM_NCPAINT() ON_CONTROL_REFLECT(EN_CHANGE, OnEnChange) ON_WM_CHAR() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // COwnerEdit message handlers void COwnerEdit::OnHoverEnter() { Redraw(); } void COwnerEdit::OnHoverLeave() { Redraw(); } void COwnerEdit::OnNcPaint() { // TODO: Add your message handler code here CWindowDC DC(this); CRect Rect; GetWindowRect(&Rect); if (IsHover()) { DC.SelectObject(&m_BoundryBrush); DC.Rectangle(0,0,Rect.Width(),Rect.Height()); } else { DC.DrawEdge(CRect(0,0,Rect.Width(),Rect.Height()),EDGE_SUNKEN,BF_FLAT|BF_RECT); } // Do not call CEdit::OnNcPaint() for painting messages } void COwnerEdit::Redraw() { RedrawWindow(NULL,NULL,RDW_FRAME|RDW_INVALIDATE); } void COwnerEdit::SetOnlySupportFloat() { m_bOnlySupportFolat = TRUE; m_bOnlySupportUnsignedInt = FALSE; m_bOnlySupportInt = FALSE; m_bOnlySupportUnsignedFloat = FALSE; } void COwnerEdit::SetOnlySupportInt() { m_bOnlySupportFolat = FALSE; m_bOnlySupportUnsignedInt = FALSE; m_bOnlySupportInt = TRUE; m_bOnlySupportUnsignedFloat = FALSE; } void COwnerEdit::SetOnlySupportUnsignedInt() { m_bOnlySupportFolat = FALSE; m_bOnlySupportUnsignedInt = TRUE; m_bOnlySupportInt = FALSE; m_bOnlySupportUnsignedFloat = FALSE; } void COwnerEdit::SetOnlySupportUnsignedFolat() { m_bOnlySupportFolat = FALSE; m_bOnlySupportUnsignedInt = FALSE; m_bOnlySupportInt = FALSE; m_bOnlySupportUnsignedFloat = TRUE; } BOOL COwnerEdit::PreTranslateMessage(MSG* pMsg) { m_wParamMsg = pMsg->wParam; return CEdit::PreTranslateMessage(pMsg); } void COwnerEdit::OnEnChange() { } void COwnerEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) { if ( m_bOnlySupportFolat) { if( (::isdigit(nChar)) > 0) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else if ( nChar == '-') { int pos = m_strText.Find(_T('-')); if ( pos == -1 && m_strText.IsEmpty() ) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } else if(nChar=='.')//is '.' { int pos = m_strText.Find(_T('.')); if ( pos == -1 ) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } else if( nChar == VK_BACK) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } if ( m_bOnlySupportUnsignedFloat) { if( (::isdigit(nChar)) > 0) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else if(nChar=='.')//is '.' { int pos = m_strText.Find(_T('.')); if ( pos == -1 ) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } else if( nChar == VK_BACK) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } if ( m_bOnlySupportUnsignedInt) { if((::isdigit(nChar))>0) { if ( nChar == char('0')) { if ( m_strText.IsEmpty()) return; } CEdit::OnChar(nChar, nRepCnt, nFlags); } else if( nChar == VK_BACK) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } if ( m_bOnlySupportInt) { if((::isdigit(nChar))>0) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else if(nChar=='-')//is '.' { int pos = m_strText.Find(_T('-')); if ( m_strText.IsEmpty() && pos == -1 ) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } else if( nChar == VK_BACK) { CEdit::OnChar(nChar, nRepCnt, nFlags); } else { return; } } if ( !m_bOnlySupportInt && !m_bOnlySupportUnsignedInt && !m_bOnlySupportFolat && !m_bOnlySupportUnsignedFloat) { CEdit::OnChar(nChar, nRepCnt, nFlags); } GetWindowText(m_strText); }