void CHexEdit::OnEditClear()
{
m_currentAddress = m_selStart;
SelDelete(m_selStart, m_selEnd);
RepositionCaret(m_currentAddress);
RedrawWindow();
}
void CHexEdit::OnEditCut()
{
OnEditCopy();
SelDelete(m_selStart, m_selEnd);
m_selStart=m_selEnd=m_currentAddress;
Invalidate(FALSE);
}
void CHexEdit::OnEditPaste()
{
COleDataObject obj;
if (obj.AttachClipboard())
{
HGLOBAL hmem = NULL;
if (obj.IsDataAvailable(RegisterClipboardFormat("BinaryData")))
{
hmem = obj.GetGlobalData(RegisterClipboardFormat("BinaryData"));
}
else if (obj.IsDataAvailable(CF_TEXT))
{
hmem = obj.GetGlobalData(CF_TEXT);
}
if(hmem)
{
LPBYTE p = (BYTE*)::GlobalLock(hmem);
DWORD dwSizeMem=::GlobalSize(hmem);
DWORD dwSizeSel=GetSelLength();
DWORD dwLen =dwSizeMem>dwSizeSel?dwSizeSel:dwSizeMem;
int insert;
NormalizeSel();
if(m_selStart == 0xffffffff)
{
if(m_currentMode == EDIT_LOW)
m_currentAddress++;
insert = m_currentAddress;
SelInsert(m_currentAddress, dwLen);
}
else
{
insert = m_selStart;
SelDelete(m_selStart,m_selStart+dwLen-1);
SelInsert(insert, dwLen);
}
memcpy(m_pData+insert, p, dwLen);
m_currentAddress = insert+dwLen;
// RepositionCaret(m_currentAddress);
ResetPos();
Invalidate(FALSE);
::GlobalUnlock(hmem);
}
}
}
void CHexEdit::OnEditPaste()
{
COleDataObject obj;
if (obj.AttachClipboard())
{
HGLOBAL hmem = NULL;
if (obj.IsDataAvailable(RegisterClipboardFormat(L"BinaryData")))
{
hmem = obj.GetGlobalData(RegisterClipboardFormat(L"BinaryData"));
}
else if (obj.IsDataAvailable(CF_TEXT))
{
hmem = obj.GetGlobalData(CF_TEXT);
}
if(hmem)
{
LPBYTE p = (BYTE*)::GlobalLock(hmem);
DWORD dwLen = ::GlobalSize(hmem);
int insert;
int oa = m_currentAddress;
NormalizeSel();
if(m_selStart == 0xffffffff)
{
if(m_currentMode == EDIT_LOW)
m_currentAddress++;
insert = m_currentAddress;
SelInsert(m_currentAddress, dwLen);
}
else
{
insert = m_selStart;
SelDelete(m_selStart, m_selEnd);
SelInsert(insert, dwLen);
SetSel(-1, -1);
}
memcpy(m_pData+insert, p, dwLen);
m_currentAddress = oa;
RedrawWindow();
::GlobalUnlock(hmem);
}
}
}
void CHexEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
nFlags; nRepCnt;
BOOL bShift = GetKeyState(VK_SHIFT) & 0x80000000;
BOOL bac = m_bNoAddressChange;
m_bNoAddressChange = TRUE;
switch(nChar)
{
case VK_DOWN:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
Move(0,1);
m_selEnd = m_currentAddress;
if(m_currentMode == EDIT_HIGH || m_currentMode == EDIT_LOW)
m_selEnd++;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
Move(0,1);
break;
case VK_UP:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
Move(0,-1);
m_selEnd = m_currentAddress;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
Move(0,-1);
break;
case VK_LEFT:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
Move(-1,0);
m_selEnd = m_currentAddress;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
Move(-1,0);
break;
case VK_RIGHT:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
Move(1,0);
m_selEnd = m_currentAddress;
if(m_currentMode == EDIT_HIGH || m_currentMode == EDIT_LOW)
m_selEnd++;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
Move(1,0);
break;
case VK_PRIOR:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
OnVScroll(SB_PAGEUP, 0, NULL);
Move(0,0);
m_selEnd = m_currentAddress;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
OnVScroll(SB_PAGEUP, 0, NULL);
Move(0,0);
break;
case VK_NEXT:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
OnVScroll(SB_PAGEDOWN, 0, NULL);
Move(0,0);
m_selEnd = m_currentAddress;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
OnVScroll(SB_PAGEDOWN, 0, NULL);
Move(0,0);
break;
case VK_HOME:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
if(GetKeyState(VK_CONTROL) & 0x80000000)
{
OnVScroll(SB_THUMBTRACK, 0, NULL);
Move(0,0);
}
else
{
m_currentAddress /= m_bpr;
m_currentAddress *= m_bpr;
Move(0,0);
}
m_selEnd = m_currentAddress;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
if(GetKeyState(VK_CONTROL) & 0x80000000)
{
OnVScroll(SB_THUMBTRACK, 0, NULL);
m_currentAddress = 0;
Move(0,0);
}
else
{
m_currentAddress /= m_bpr;
m_currentAddress *= m_bpr;
Move(0,0);
}
break;
case VK_END:
if(bShift)
{
if(!IsSelected())
{
m_selStart = m_currentAddress;
}
if(GetKeyState(VK_CONTROL) & 0x80000000)
{
m_currentAddress = m_length-1;
OnVScroll(SB_THUMBTRACK, ((m_length+(m_bpr/2)) / m_bpr) - m_lpp, NULL);
Move(0,0);
}
else
{
m_currentAddress /= m_bpr;
m_currentAddress *= m_bpr;
m_currentAddress += m_bpr - 1;
if(m_currentAddress > m_length)
m_currentAddress = m_length-1;
Move(0,0);
}
m_selEnd = m_currentAddress;
RedrawWindow();
break;
}
else
SetSel(-1, -1);
if(GetKeyState(VK_CONTROL) & 0x80000000)
{
m_currentAddress = m_length-1;
if(m_bHalfPage)
OnVScroll(SB_THUMBTRACK, 0, NULL);
else
OnVScroll(SB_THUMBTRACK, ((m_length+(m_bpr/2)) / m_bpr) - m_lpp, NULL);
Move(0,0);
}
else
{
m_currentAddress /= m_bpr;
m_currentAddress *= m_bpr;
m_currentAddress += m_bpr - 1;
if(m_currentAddress > m_length)
m_currentAddress = m_length-1;
Move(0,0);
}
break;
case VK_INSERT:
SelInsert(m_currentAddress, max(1, m_selEnd-m_selStart));
RedrawWindow();
break;
case VK_DELETE:
if(IsSelected())
{
OnEditClear();
}
else
{
SelDelete(m_currentAddress, m_currentAddress+1);
RedrawWindow();
}
break;
case '\t':
switch(m_currentMode)
{
case EDIT_NONE:
m_currentMode = EDIT_HIGH;
break;
case EDIT_HIGH:
case EDIT_LOW:
m_currentMode = EDIT_ASCII;
break;
case EDIT_ASCII:
m_currentMode = EDIT_HIGH;
break;
}
Move(0,0);
break;
}
m_bNoAddressChange = bac;
}
void CHexEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
nFlags;nRepCnt;
if(!m_pData)
return;
if(nChar == '\t')
return;
if(GetKeyState(VK_CONTROL) & 0x80000000)
{
switch(nChar)
{
case 0x03:
if(IsSelected())
OnEditCopy();
return;
case 0x16:
OnEditPaste();
return;
case 0x18:
if(IsSelected())
OnEditCut();
return;
case 0x1a:
OnEditUndo();
return;
}
}
if(nChar == 0x08)
{
if(m_currentAddress > 0)
{
m_currentAddress--;
SelDelete(m_currentAddress, m_currentAddress+1);
RepositionCaret(m_currentAddress);
RedrawWindow();
}
return;
}
SetSel(-1, -1);
switch(m_currentMode)
{
case EDIT_NONE:
return;
case EDIT_HIGH:
case EDIT_LOW:
if((nChar >= '0' && nChar <= '9') || (nChar >= 'a' && nChar <= 'f'))
{
UINT b = nChar - '0';
if(b > 9)
b = 10 + nChar - 'a';
if(m_currentMode == EDIT_HIGH)
{
m_pData[m_currentAddress] = (unsigned char)((m_pData[m_currentAddress] & 0x0f) | (b << 4));
}
else
{
m_pData[m_currentAddress] = (unsigned char)((m_pData[m_currentAddress] & 0xf0) | b);
}
Move(1,0);
}
break;
case EDIT_ASCII:
m_pData[m_currentAddress] = (unsigned char)nChar;
Move(1,0);
break;
}
RedrawWindow();
}
void CHexEdit::OnEditCut()
{
OnEditCopy();
SelDelete(m_selStart, m_selEnd);
RedrawWindow();
}
void CHexEdit::OnEditClear()
{
SelDelete(m_selStart, m_selEnd);
}