project64/Source/Project64/UserInterface/WTLControls/EditNumber32.cpp

325 lines
8.4 KiB
C++
Raw Normal View History

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