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

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/****************************************************************************
* *
* 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"
#include "EditNumber32.h"
CEditNumber32::CEditNumber32(void) :
m_DisplayType(DisplayDec)
{
}
CEditNumber32::~CEditNumber32(void)
{
}
bool CEditNumber32::IsHexConvertableText(LPTSTR _text)
{
int start, end;
GetSel(start, end);
wchar_t WindowText[200];
GetWindowText(WindowText, sizeof(WindowText) / sizeof(WindowText[0]));
bool bPaste = true;
size_t Len = wcslen(WindowText);
wchar_t head = Len > 0 ? WindowText[0] : 0;
wchar_t 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 (wcslen(_text) >= 2)
{
if (_text[0] == L'0' && (_text[1] == L'x' || _text[1] == L'X'))
{
if ((second == L'x' || second == L'X') && (!(start == 0 && end >= 2)))
{
bPaste = false;
}
else if (start > 0)
{
bPaste = false;
}
else
{
i += 2;
}
}
}
if (!bPaste) return bPaste;
if (wcslen(_text) >= 1)
{
if (head == L'0' && (_text[0] == L'x' || _text[0] == L'X'))
{
i++;
}
if ((_text[0] == L'x' || _text[0] == L'X'))
{
if (head != L'0' && start == 0)
{
bPaste = false;
}
else if (!(start == 1 && end >= 1 && head == L'0'))
{
bPaste = false;
}
}
}
if (!bPaste) return bPaste;
for (; i < wcslen(_text); i++)
{
wchar_t c = _text[i];
if (!(c >= 48 && c <= 57 || c >= L'A'&&c <= L'F' || c >= L'a'&&c <= L'f' || c == L' '))
{
bPaste = false;
break;
}
}
return bPaste;
}
void CEditNumber32::FormatClipboard()
{
LPTSTR lptstr, lptstrCopy;
HGLOBAL hglb;
if (!this->OpenClipboard() || !IsClipboardFormatAvailable(CF_TEXT))
{
return;
}
hglb = GetClipboardData(CF_TEXT);
if (hglb != NULL)
{
lptstr = (LPTSTR)GlobalLock(hglb);
for (unsigned int i = 0; i < wcslen(lptstr); i++)
{
if (lptstr[i] != L'X'&&lptstr[i] != L'x')
{
lptstr[i] = (char)toupper(lptstr[i]);
}
if (lptstr[i] == L'X')
{
lptstr[i] = L'x';
}
if (lptstr[i] == ' ' && (i < wcslen(lptstr)))
{
wcscpy(&lptstr[i], &lptstr[i + 1]);
}
}
hglb = GlobalAlloc(GMEM_MOVEABLE, (wcslen(lptstr) + 1) * sizeof(TCHAR));
if (hglb == NULL)
{
CloseClipboard();
return;
}
lptstrCopy = (LPTSTR)GlobalLock(hglb);
memcpy(lptstrCopy, lptstr, wcslen(lptstr) + 1);
GlobalUnlock(lptstr);
GlobalUnlock(hglb);
SetClipboardData(CF_TEXT, hglb);
CloseClipboard();
}
}
LRESULT CEditNumber32::OnValidateValue(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
bHandled = true;
return true;
}
LRESULT CEditNumber32::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 CEditNumber32::OnKeyDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
int start, end;
GetSel(start, end);
wchar_t WindowText[200];
GetWindowText(WindowText, sizeof(WindowText));
size_t Len = wcslen(WindowText);
wchar_t head = Len > 0 ? WindowText[0] : 0;
wchar_t second = Len > 1 ? WindowText[1] : 0;
if (uMsg == WM_CHAR)
{
size_t MaxLen = 30;
if (m_DisplayType == DisplayHex)
{
MaxLen = 8;
if (second == L'x' || second == L'X')
{
MaxLen += 2;
}
}
wchar_t c = (wchar_t)wParam;
if (wParam < 32)
{
if (wParam == 8 && (second == L'x' || second == L'X') && head == L'0' && end == 1)
{
//does not allow to delete '0' before x
bHandled = true;
}
else {
bHandled = false;
}
return TRUE;
}
if (second == L'x' || second == L'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 == L'X' || c == L'x') && head == L'0')
{
if (c == L'X')
{
SendMessage(uMsg, L'x', lParam);
bHandled = true;
}
else {
bHandled = false;
}
return true;
}
else if (c >= L'0' && c <= L'9' || c >= L'A' && c <= L'F')
{
if (Len >= MaxLen && start == end)
{
bHandled = true;
return true;
}
bHandled = false;
return true;
}
else if (c >= L'a' && c <= L'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 CEditNumber32::Attach(HWND hWndNew)
{
return SubclassWindow(hWndNew);
}
BOOL CEditNumber32::AttachToDlgItem(HWND parent, UINT dlgID)
{
return SubclassWindow(::GetDlgItem(parent, dlgID));
}
void CEditNumber32::SetDisplayType(DisplayType Type)
{
DWORD lCurrentValue = GetValue();
m_DisplayType = Type;
SetValue(lCurrentValue);
}
uint32_t CEditNumber32::GetValue(void)
{
wchar_t text[200];
GetWindowText(text, sizeof(text));
if (m_DisplayType == DisplayDec)
{
return _wtoi(text);
}
size_t Finish = wcslen(text);
wchar_t second = Finish > 1 ? text[1] : 0;
size_t Start = (second == L'x' || second == L'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 L'0': break;
case L'1': Value += 1; break;
case L'2': Value += 2; break;
case L'3': Value += 3; break;
case L'4': Value += 4; break;
case L'5': Value += 5; break;
case L'6': Value += 6; break;
case L'7': Value += 7; break;
case L'8': Value += 8; break;
case L'9': Value += 9; break;
case L'A': Value += 10; break;
case L'a': Value += 10; break;
case L'B': Value += 11; break;
case L'b': Value += 11; break;
case L'C': Value += 12; break;
case L'c': Value += 12; break;
case L'D': Value += 13; break;
case L'd': Value += 13; break;
case L'E': Value += 14; break;
case L'e': Value += 14; break;
case L'F': Value += 15; break;
case L'f': Value += 15; break;
default:
Value = (Value >> 4);
i = Finish;
}
}
return Value;
}
stdstr CEditNumber32::GetValueText(void)
{
return ::GetCWindowText(this);
}
void CEditNumber32::SetValue(uint32_t Value, DisplayMode Display)
{
stdstr text;
if (m_DisplayType == DisplayDec)
{
text.Format("%d", Value);
}
else
{
text.Format("%s%0*X",(Display & DisplayMode::ShowHexIdent) == DisplayMode::ShowHexIdent ? "0x" : "", (Display & DisplayMode::ZeroExtend) == DisplayMode::ZeroExtend ? 8 : 0, Value);
}
SetWindowText(text.ToUTF16().c_str());
}
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