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

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#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);
std::string WindowText = GetCWindowText(*this);
bool bPaste = true;
size_t Len = WindowText.size();
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;
unsigned int len = wcslen(_text);
if (len == 0)
{
return false;
}
wchar_t c;
do
{
c = _text[i];
if (c == L'\n' || c == L'\r' || c == L' ')
{
i++;
continue;
}
break;
} while (i < len);
if (i == len)
{
return false;
}
if ((len - i) >= 2)
{
if (_text[i] == L'0' && (_text[i + 1] == L'x' || _text[i + 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 ((len - i) >= 1)
{
bool bIsX = _text[i] == L'x' || _text[i] == L'X';
if (head == L'0' && bIsX)
{
i++;
}
if (bIsX)
{
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 < len; i++)
{
c = _text[i];
if (!(c >= 48 && c <= 57 || c >= L'A' && c <= L'F' || c >= L'a' && c <= L'f' || c == L' '))
{
if (c == L'\n' || c == L'\r')
{
i++;
while (i < len)
{
c = _text[i];
if (c != L'\n' && c != L'\r' && c != L' ')
{
bPaste = false;
break;
}
i++;
}
// Effectively a trim, if all we have is newline, just ignore them
break;
}
bPaste = false;
break;
}
}
return bPaste;
}
void CEditNumber32::FormatClipboard()
{
LPTSTR lptstr, lptstrCopy;
HGLOBAL hglb;
if (!this->OpenClipboard() || !IsClipboardFormatAvailable(CF_UNICODETEXT))
{
return;
}
hglb = GetClipboardData(CF_UNICODETEXT);
if (hglb != nullptr)
{
lptstr = (LPTSTR)GlobalLock(hglb);
unsigned int len = wcslen(lptstr);
unsigned int fullCopySize = 1; // Null terminator
for (unsigned int i = 0; i < len; i++)
{
wchar_t c = lptstr[i];
if (c != L' ' && c != L'\n' && c != L'\r')
{
fullCopySize++;
}
}
hglb = GlobalAlloc(GMEM_MOVEABLE, fullCopySize * sizeof(TCHAR));
if (hglb == nullptr)
{
CloseClipboard();
return;
}
lptstrCopy = (LPTSTR)GlobalLock(hglb);
for (unsigned int src = 0, dst = 0; src < len; src++)
{
wchar_t c = lptstr[src];
if (c == L' ' || c == L'\n' || c == L'\r')
{
continue;
}
if (c == L'X' || c == L'x')
{
lptstrCopy[dst++] = L'x';
}
else
{
lptstrCopy[dst++] = (wchar_t)toupper(c);
}
}
GlobalUnlock(lptstr);
GlobalUnlock(hglb);
SetClipboardData(CF_UNICODETEXT, 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_UNICODETEXT))
{
bHandled = true;
return true;
}
if (!OpenClipboard())
{
bHandled = true;
return true;
}
HGLOBAL hglb = GetClipboardData(CF_UNICODETEXT);
if (hglb != nullptr)
{
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);
std::string WindowText = GetCWindowText(*this);
char Head = WindowText.length() > 0 ? WindowText[0] : 0;
char Second = WindowText.length() > 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 == '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, 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 (WindowText.length() >= MaxLen && start == end)
{
bHandled = true;
return true;
}
bHandled = false;
return true;
}
else if (c >= L'a' && c <= L'f')
{
if (WindowText.length() >= 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)
{
std::string Text = GetCWindowText(*this);
if (m_DisplayType == DisplayDec)
{
return atoi(Text.c_str());
}
size_t Finish = Text.length();
wchar_t 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 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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