325 lines
8.4 KiB
C++
325 lines
8.4 KiB
C++
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/****************************************************************************
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* *
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* Project64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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#include "stdafx.h"
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CEditNumber::CEditNumber(void) :
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m_DisplayType(DisplayDec)
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{
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}
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CEditNumber::~CEditNumber(void)
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{
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}
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bool CEditNumber::IsHexConvertableText(LPTSTR _text)
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{
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int start, end;
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GetSel(start, end);
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char WindowText[200];
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GetWindowText(WindowText, sizeof(WindowText));
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bool bPaste = true;
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size_t Len = strlen(WindowText);
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char head = Len > 0 ? WindowText[0] : 0;
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char second = Len > 1 ? WindowText[1] : 0;
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if (second == 'X' || second == 'x')
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{
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if (end <= 1)
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bPaste = false;
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}
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if (!bPaste) return bPaste;
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//Check
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unsigned int i = 0;
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if (strlen(_text) >= 2)
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{
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if (_text[0] == '0' && (_text[1] == 'x' || _text[1] == 'X'))
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{
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if ((second == 'x' || second == 'X') && (!(start == 0 && end >= 2)))
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bPaste = false;
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else if (start > 0)
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bPaste = false;
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else
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i += 2;
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}
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}
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if (!bPaste) return bPaste;
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if (strlen(_text) >= 1)
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{
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if (head == '0' && (_text[0] == 'x' || _text[0] == 'X'))
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{
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i++;
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}
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if ((_text[0] == 'x' || _text[0] == 'X'))
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{
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if (head != '0'&&start == 0)
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bPaste = false;
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else if (!(start == 1 && end >= 1 && head == '0'))
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bPaste = false;
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}
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}
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if (!bPaste) return bPaste;
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for (; i < strlen(_text); i++)
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{
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char c = _text[i];
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if (!(c >= 48 && c <= 57 || c >= 'A'&&c <= 'F' || c >= 'a'&&c <= 'f'))
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{
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bPaste = false;
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break;
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}
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}
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return bPaste;
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}
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void CEditNumber::FormatClipboard()
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{
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LPTSTR lptstr, lptstrCopy;
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HGLOBAL hglb;
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if (!this->OpenClipboard())
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return;
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if (!IsClipboardFormatAvailable(CF_TEXT))
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return;
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hglb = GetClipboardData(CF_TEXT);
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if (hglb != NULL)
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{
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lptstr = (LPTSTR)GlobalLock(hglb);
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for (unsigned int i = 0; i < strlen(lptstr); i++)
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{
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if (lptstr[i] != 'X'&&lptstr[i] != 'x')
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lptstr[i] = (char)toupper(lptstr[i]);
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if (lptstr[i] == 'X')
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lptstr[i] = 'x';
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}
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hglb = GlobalAlloc(GMEM_MOVEABLE,
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(strlen(lptstr) + 1) * sizeof(TCHAR));
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if (hglb == NULL)
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{
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CloseClipboard();
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return;
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}
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lptstrCopy = (LPTSTR)GlobalLock(hglb);
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memcpy(lptstrCopy, lptstr, strlen(lptstr) + 1);
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GlobalUnlock(lptstr);
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GlobalUnlock(hglb);
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SetClipboardData(CF_TEXT, hglb);
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CloseClipboard();
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}
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}
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LRESULT CEditNumber::OnValidateValue(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
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{
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bHandled = true;
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return true;
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}
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LRESULT CEditNumber::OnPaste(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
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{
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//Paste
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bHandled = false;
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if (!IsClipboardFormatAvailable(CF_TEXT))
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{
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bHandled = true;
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return true;
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}
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if (!OpenClipboard())
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{
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bHandled = true;
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return true;
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}
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HGLOBAL hglb = GetClipboardData(CF_TEXT);
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if (hglb != NULL)
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{
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LPTSTR lptstr = (LPTSTR)GlobalLock(hglb);
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//Check invalid hex string
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if (!IsHexConvertableText(lptstr))
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{
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bHandled = true;
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}
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GlobalUnlock(lptstr);
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}
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CloseClipboard();
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if (!bHandled)
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{
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FormatClipboard();
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}
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return true;
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}
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LRESULT CEditNumber::OnKeyDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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int start, end;
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GetSel(start, end);
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//CString text;
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char WindowText[200];
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GetWindowText(WindowText, sizeof(WindowText));
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size_t Len = strlen(WindowText);
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char head = Len > 0 ? WindowText[0] : 0;
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char second = Len > 1 ? WindowText[1] : 0;
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if (uMsg == WM_CHAR)
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{
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size_t MaxLen = 30;
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if (m_DisplayType == DisplayHex)
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{
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MaxLen = 8;
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if (second == 'x' || second == 'X')
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{
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MaxLen += 2;
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}
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}
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int c = (int)wParam;
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if (wParam < 32)
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{
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if (wParam == 8 && (second == 'x' || second == 'X') && head == '0' && end == 1)
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{
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//does not allow to delete '0' before x
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bHandled = true;
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}
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else {
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bHandled = false;
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}
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return TRUE;
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}
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if (second == 'x' || second == 'X')
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{
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//does not allow to change head except select includes first and second
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if (start <= 1 && end <= 1)
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{
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bHandled = true;
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return TRUE;
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}
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}
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if (start == 1 && (c == 'X' || c == 'x') && head == '0')
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{
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if (c == 'X')
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{
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SendMessage(uMsg, 'x', lParam);
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bHandled = true;
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}
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else {
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bHandled = false;
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}
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return true;
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}
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else if (c >= '0' && c <= '9' || c >= 'A' && c <= 'F')
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{
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if (Len >= MaxLen && start == end)
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{
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bHandled = true;
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return true;
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}
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bHandled = false;
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return true;
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}
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else if (c >= 'a' && c <= 'f')
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{
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if (Len >= MaxLen && start == end)
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{
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bHandled = true;
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return true;
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}
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SendMessage(uMsg, wParam - 32, lParam);
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bHandled = true;
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return true;
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}
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bHandled = true;
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return true;
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}
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bHandled = false;
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return false;
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}
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BOOL CEditNumber::Attach(HWND hWndNew)
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{
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return SubclassWindow(hWndNew);
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}
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BOOL CEditNumber::AttachToDlgItem(HWND parent, UINT dlgID)
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{
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return SubclassWindow(::GetDlgItem(parent, dlgID));
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}
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void CEditNumber::SetDisplayType(DisplayType Type)
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{
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DWORD lCurrentValue = GetValue();
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m_DisplayType = Type;
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SetValue(lCurrentValue);
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}
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DWORD CEditNumber::GetValue(void)
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{
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char text[200];
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GetWindowText(text, sizeof(text));
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if (m_DisplayType == DisplayDec)
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{
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return atoi(text);
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}
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size_t Finish = strlen(text);
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char second = Finish > 1 ? text[1] : 0;
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size_t Start = (second == 'x' || second == 'X') ? 2 : 0;
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if (Finish > 8 + Start) { Finish = 8 + Start; }
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DWORD Value = 0;
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for (size_t i = Start; i < Finish; i++)
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{
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Value = (Value << 4);
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switch (text[i]) {
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case '0': break;
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case '1': Value += 1; break;
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case '2': Value += 2; break;
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case '3': Value += 3; break;
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case '4': Value += 4; break;
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case '5': Value += 5; break;
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case '6': Value += 6; break;
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case '7': Value += 7; break;
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case '8': Value += 8; break;
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case '9': Value += 9; break;
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case 'A': Value += 10; break;
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case 'a': Value += 10; break;
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case 'B': Value += 11; break;
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case 'b': Value += 11; break;
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case 'C': Value += 12; break;
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case 'c': Value += 12; break;
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case 'D': Value += 13; break;
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case 'd': Value += 13; break;
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case 'E': Value += 14; break;
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case 'e': Value += 14; break;
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case 'F': Value += 15; break;
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case 'f': Value += 15; break;
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default:
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Value = (Value >> 4);
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i = Finish;
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}
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}
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return Value;
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}
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void CEditNumber::SetValue(DWORD Value, bool ShowHexIdent, bool ZeroExtend)
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{
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char text[200];
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if (m_DisplayType == DisplayDec)
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{
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sprintf(text, "%d", Value);
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}
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else {
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sprintf(text, "%s%0*X", ShowHexIdent ? "0x" : "", ZeroExtend ? 8 : 0, Value);
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}
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SetWindowText(text);
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}
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