src/apps/mplayerc/FloatEdit.cpp

   1 /*
   2  *      Copyright (C) 2003-2006 Gabest
   3  *      http://www.gabest.org
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This Program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GNU Make; see the file COPYING.  If not, write to
  17  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *  http://www.gnu.org/copyleft/gpl.html
  19  *
  20  */
  21
  22 #include "stdafx.h"
  23 #include "floatedit.h"
  24
  25 // CFloatEdit
  26
  27 IMPLEMENT_DYNAMIC(CFloatEdit, CEdit)
  28
  29 bool CFloatEdit::GetFloat(float& f)
  30 {
  31         CString s;
  32         GetWindowText(s);
  33         return(_stscanf(s, _T("%f"), &f) == 1);
  34 }
  35
  36 double CFloatEdit::operator = (double d)
  37 {
  38         CString s;
  39         s.Format(_T("%.4f"), d);
  40         SetWindowText(s);
  41         return(d);
  42 }
  43
  44 CFloatEdit::operator double()
  45 {
  46         CString s;
  47         GetWindowText(s);
  48         float f;
  49         return(_stscanf(s, _T("%f"), &f) == 1 ? f : 0);
  50 }
  51
  52 BEGIN_MESSAGE_MAP(CFloatEdit, CEdit)
  53         ON_WM_CHAR()
  54 END_MESSAGE_MAP()
  55
  56 void CFloatEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
  57 {
  58         if(!(nChar >= '0' && nChar <= '9' || nChar == '.' || nChar == '\b'))
  59                 return;
  60
  61         CString str;
  62         GetWindowText(str);
  63
  64         if(nChar == '.' && (str.Find('.') >= 0 || str.IsEmpty()))
  65                 return;
  66
  67         int nStartChar, nEndChar;
  68         GetSel(nStartChar, nEndChar);
  69
  70         if(nChar == '\b' && nStartChar <= 0)
  71                 return;
  72
  73         CEdit::OnChar(nChar, nRepCnt, nFlags);
  74 }
  75
  76 // CIntEdit
  77
  78 IMPLEMENT_DYNAMIC(CIntEdit, CEdit)
  79
  80 BEGIN_MESSAGE_MAP(CIntEdit, CEdit)
  81         ON_WM_CHAR()
  82 END_MESSAGE_MAP()
  83
  84 void CIntEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
  85 {
  86         if(!(nChar >= '0' && nChar <= '9' || nChar == '-' || nChar == '\b'))
  87                 return;
  88
  89         CString str;
  90         GetWindowText(str);
  91
  92         if(nChar == '-' && !str.IsEmpty() && str[0] == '-')
  93                 return;
  94
  95         int nStartChar, nEndChar;
  96         GetSel(nStartChar, nEndChar);
  97
  98         if(nChar == '\b' && nStartChar <= 0)
  99                 return;
 100
 101         if(nChar == '-' && (nStartChar != 0 || nEndChar != 0))
 102                 return;
 103
 104         CEdit::OnChar(nChar, nRepCnt, nFlags);
 105 }
 106
 107 // CHexEdit
 108
 109 IMPLEMENT_DYNAMIC(CHexEdit, CEdit)
 110
 111 bool CHexEdit::GetDWORD(DWORD& dw)
 112 {
 113         CString s;
 114         GetWindowText(s);
 115         return(_stscanf(s, _T("%x"), &dw) == 1);
 116 }
 117
 118 DWORD CHexEdit::operator = (DWORD dw)
 119 {
 120         CString s;
 121         s.Format(_T("%08x"), dw);
 122         SetWindowText(s);
 123         return(dw);
 124 }
 125
 126 CHexEdit::operator DWORD()
 127 {
 128         CString s;
 129         GetWindowText(s);
 130         DWORD dw;
 131         return(_stscanf(s, _T("%x"), &dw) == 1 ? dw : 0);
 132 }
 133
 134 BEGIN_MESSAGE_MAP(CHexEdit, CEdit)
 135         ON_WM_CHAR()
 136 END_MESSAGE_MAP()
 137
 138 void CHexEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
 139 {
 140         if(!(nChar >= 'A' && nChar <= 'F' || nChar >= 'a' && nChar <= 'f'
 141         || nChar >= '0' && nChar <= '9' || nChar == '\b'))
 142                 return;
 143
 144         CString str;
 145         GetWindowText(str);
 146
 147         int nStartChar, nEndChar;
 148         GetSel(nStartChar, nEndChar);
 149
 150         if(nChar == '\b' && nStartChar <= 0)
 151                 return;
 152
 153         if(nChar != '\b' && nEndChar - nStartChar == 0 && str.GetLength() >= 8)
 154                 return;
 155
 156         CEdit::OnChar(nChar, nRepCnt, nFlags);
 157 }