www.pudn.com > c02 vc6.rar > HexEditCtrl.cpp, change:2004-03-19,size:27878b
// HexEdit.cpp : Defines the class behaviors for the application. // #include "stdafx.h" #include "HexEditCtrl.h" #include#include #include #include "resource.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif //:Associate with class "CHexEdit" char hextable[16] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; #define TOHEX(a, b) {*b++ = hextable[a >> 4];*b++ = hextable[a&0xf];} ///////////////////////////////////////////////////////////////////////////// // CHexEdit CHexEdit::CHexEdit() { m_pData = NULL; // pointer to data m_length = 0; // length of data m_length = 0x40; m_topindex = 0; m_bpr = 8; // byte per row m_lpp = 1; m_bShowHex = TRUE; m_bShowAscii = TRUE; m_bShowAddress = TRUE; m_bAddressIsWide= TRUE; // 4/8 byte address m_offAddress = 0; m_offHex = 0; m_offAscii = 0; m_bUpdate = TRUE; // update font info m_bNoAddressChange = FALSE; m_currentMode = EDIT_NONE; m_editPos.x = m_editPos.y = 0; m_currentAddress = 0; m_bHalfPage = TRUE; m_selStart = 0xffffffff; m_selEnd = 0xffffffff; m_Font.CreateFont(-12, 0,0,0,0,0,0,0,0,0,0,0,0, "Courier New"); // AfxOleInit(); } CHexEdit::~CHexEdit() { } BEGIN_MESSAGE_MAP(CHexEdit, CEdit) ON_WM_CONTEXTMENU() //{{AFX_MSG_MAP(CHexEdit) ON_WM_CHAR() ON_WM_KILLFOCUS() ON_WM_PAINT() ON_WM_SETFOCUS() ON_WM_SIZE() ON_WM_VSCROLL() ON_WM_HSCROLL() ON_WM_GETDLGCODE() ON_WM_ERASEBKGND() ON_WM_LBUTTONDOWN() ON_WM_LBUTTONDBLCLK() ON_WM_MOUSEMOVE() ON_WM_LBUTTONUP() ON_WM_KEYDOWN() ON_COMMAND(ID_EDIT_CLEAR, OnEditClear) ON_COMMAND(ID_EDIT_COPY, OnEditCopy) ON_COMMAND(ID_EDIT_CUT, OnEditCut) ON_COMMAND(ID_EDIT_PASTE, OnEditPaste) ON_COMMAND(ID_EDIT_SELECT_ALL, OnEditSelectAll) ON_COMMAND(ID_EDIT_UNDO, OnEditUndo) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CHexEdit message handlers void CHexEdit::OnPaint() { CPaintDC pdc(this); // device context for painting CRect rc; GetClientRect(rc); CDC dc; dc.CreateCompatibleDC(CDC::FromHandle(pdc.m_ps.hdc)); CBitmap bm; bm.CreateCompatibleBitmap(CDC::FromHandle(pdc.m_ps.hdc), rc.Width(), rc.Height()); dc.SelectObject(bm); CBrush b; b.CreateSolidBrush(RGB(0xff,0xff,0xff)); dc.FillRect(rc, &b); ASSERT(m_currentAddress >= 0); ASSERT(m_topindex >= 0); dc.SelectObject(m_Font); int height = 0; int x,y; char buf[256]; x = rc.TopLeft().x; y = rc.TopLeft().y; dc.SetBoundsRect(&rc, DCB_DISABLE); if(m_pData) { // // get char dimensions // if(m_bUpdate) { dc.GetCharWidth('0', '0', &m_nullWidth); CSize sz = dc.GetTextExtent("0", 1); m_lineHeight = sz.cy; m_offHex = m_bShowAddress ? (m_bAddressIsWide ? m_nullWidth * 9 : m_nullWidth * 5) : 0; m_offAscii = m_bShowAddress ? (m_bAddressIsWide ? m_nullWidth * 9 : m_nullWidth * 5) : 0; m_offAscii += m_bShowHex ? (m_bpr * 3 * m_nullWidth) : 0; m_lpp = rc.Height() / m_lineHeight; m_bHalfPage = FALSE; if(m_lpp * m_bpr > m_length) { m_lpp = (m_length + (m_bpr/2)) / m_bpr ; if(m_length % m_bpr != 0) { m_bHalfPage = TRUE; m_lpp++; } } m_bUpdate = FALSE; UpdateScrollbars(); } height = rc.Height() / m_lineHeight; height *= m_lineHeight; if(m_bShowAddress) { char fmt[8] = {'%','0','8','l','X'}; fmt[2] = m_bAddressIsWide ? '8' : '4'; int w = m_bAddressIsWide ? 8 : 4; y = 0; CRect rcd = rc; rcd.TopLeft().x = m_offAddress; for(int i = m_topindex; (i < m_length) && (rcd.TopLeft().y < height); i+= m_bpr) { sprintf(buf, fmt, i); dc.DrawText(buf, w, rcd, DT_LEFT|DT_TOP|DT_SINGLELINE|DT_NOPREFIX); rcd.TopLeft().y += m_lineHeight; } } if(m_bShowHex) { y = 0; CRect rcd = rc; rcd.TopLeft().x = x = m_offHex; if(m_selStart != 0xffffffff && (m_currentMode == EDIT_HIGH || m_currentMode == EDIT_LOW)) { int i; int n = 0; int selStart = m_selStart, selEnd = m_selEnd; if(selStart > selEnd) selStart ^= selEnd ^= selStart ^= selEnd; for(i = m_topindex; (i < selStart) && (y < height); i++) { char* p = &buf[0]; TOHEX(m_pData[i], p); *p++ = ' '; dc.TextOut(x, y, buf, 3); x += m_nullWidth * 3; n++; if(n == m_bpr) { n = 0; x = m_offHex; y += m_lineHeight; } } dc.SetTextColor(GetSysColor(COLOR_HIGHLIGHTTEXT)); dc.SetBkColor(GetSysColor(COLOR_HIGHLIGHT)); for(; (i < selEnd) && (i < m_length) && (y < height); i++) { char* p = &buf[0]; TOHEX(m_pData[i], p); *p++ = ' '; dc.TextOut(x, y, buf, 3); x += m_nullWidth * 3; n++; if(n == m_bpr) { n = 0; x = m_offHex; y += m_lineHeight; } } dc.SetTextColor(GetSysColor(COLOR_WINDOWTEXT)); dc.SetBkColor(GetSysColor(COLOR_WINDOW)); for(; (i < m_length) && (y < height); i++) { char* p = &buf[0]; TOHEX(m_pData[i], p); *p++ = ' '; dc.TextOut(x, y, buf, 3); x += m_nullWidth * 3; n++; if(n == m_bpr) { n = 0; x = m_offHex; y += m_lineHeight; } } } else { for(int i = m_topindex; (i < m_length) && (rcd.TopLeft().y < height);) { char* p = &buf[0]; for(int n = 0; (n < m_bpr) && (i < m_length); n++) { TOHEX(m_pData[i], p); *p++ = ' '; i++; } while(n < m_bpr) { *p++ = ' '; *p++ = ' '; *p++ = ' '; n++; } dc.DrawText(buf, m_bpr*3, rcd, DT_LEFT|DT_TOP|DT_SINGLELINE|DT_NOPREFIX); rcd.TopLeft().y += m_lineHeight; } } } if(m_bShowAscii) { y = 0; CRect rcd = rc; rcd.TopLeft().x = x = m_offAscii; if(m_selStart != 0xffffffff && m_currentMode == EDIT_ASCII) { int i; int n = 0; int selStart = m_selStart, selEnd = m_selEnd; if(selStart > selEnd) selStart ^= selEnd ^= selStart ^= selEnd; for(i = m_topindex; (i < selStart) && (y < height); i++) { buf[0] = isprint(m_pData[i]) ? m_pData[i] : '.'; dc.TextOut(x, y, buf, 1); x += m_nullWidth; n++; if(n == m_bpr) { n = 0; x = m_offAscii; y += m_lineHeight; } } dc.SetTextColor(GetSysColor(COLOR_HIGHLIGHTTEXT)); dc.SetBkColor(GetSysColor(COLOR_HIGHLIGHT)); for(; (i < selEnd) && (y < height); i++) { buf[0] = isprint(m_pData[i]) ? m_pData[i] : '.'; dc.TextOut(x, y, buf, 1); x += m_nullWidth; n++; if(n == m_bpr) { n = 0; x = m_offAscii; y += m_lineHeight; } } dc.SetTextColor(GetSysColor(COLOR_WINDOWTEXT)); dc.SetBkColor(GetSysColor(COLOR_WINDOW)); for(; (i < m_length) && y < height; i++) { buf[0] = isprint(m_pData[i]) ? m_pData[i] : '.'; dc.TextOut(x, y, buf, 1); x += m_nullWidth; n++; if(n == m_bpr) { n = 0; x = m_offAscii; y += m_lineHeight; } } } else { for(int i = m_topindex; (i < m_length) && (rcd.TopLeft().y < height);) { char* p = &buf[0]; for(int n = 0; (n < m_bpr) && (i < m_length); n++) { *p++ = isprint(m_pData[i]) ? m_pData[i] : '.'; i++; } dc.DrawText(buf, n, rcd, DT_LEFT|DT_TOP|DT_SINGLELINE|DT_NOPREFIX); rcd.TopLeft().y += m_lineHeight; } } } } pdc.BitBlt(0, 0, rc.Width(), rc.Height(), &dc, 0, 0, SRCCOPY); } void CHexEdit::OnSetFocus(CWnd* pOldWnd) { if(m_pData && !IsSelected()) { if(m_editPos.x == 0 && m_bShowAddress) CreateAddressCaret(); else CreateEditCaret(); SetCaretPos(m_editPos); ShowCaret(); } CWnd::OnSetFocus(pOldWnd); } void CHexEdit::OnKillFocus(CWnd* pNewWnd) { DestroyCaret(); CWnd::OnKillFocus(pNewWnd); } void CHexEdit::OnSize(UINT nType, int cx, int cy) { CEdit::OnSize(nType, cx, cy); } void CHexEdit::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) { pScrollBar; if(!m_pData) return; int oa = m_topindex; switch(nSBCode) { case SB_LINEDOWN: if(m_topindex < m_length - m_lpp*m_bpr) { //ScrollWindow(0, -m_lineHeight, rc); m_topindex += m_bpr; RedrawWindow(); } break; case SB_LINEUP: if(m_topindex > 0) { //ScrollWindow(0, m_lineHeight, rc); m_topindex -= m_bpr; RedrawWindow(); } break; case SB_PAGEDOWN: if(m_topindex < m_length - m_lpp*m_bpr) { m_topindex += m_bpr * m_lpp; if(m_topindex > m_length - m_lpp*m_bpr) m_topindex = m_length - m_lpp*m_bpr; RedrawWindow(); } break; case SB_PAGEUP: if(m_topindex > 0) { m_topindex -= m_bpr * m_lpp; if(m_topindex < 0) m_topindex = 0; RedrawWindow(); } break; case SB_THUMBTRACK: m_topindex = nPos * m_bpr; RedrawWindow(); break; } ::SetScrollPos(this->m_hWnd, SB_VERT, m_topindex / m_bpr, TRUE); if(!m_bNoAddressChange) m_currentAddress += (m_topindex - oa); RepositionCaret(m_currentAddress); } void CHexEdit::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) { nSBCode;nPos; pScrollBar; } UINT CHexEdit::OnGetDlgCode() { return DLGC_WANTALLKEYS; } BOOL CHexEdit::PreCreateWindow(CREATESTRUCT& cs) { cs.style |= WS_HSCROLL|WS_VSCROLL; return CEdit::PreCreateWindow(cs); } BOOL CHexEdit::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext) { dwStyle |= WS_HSCROLL|WS_VSCROLL; BOOL bRet = CWnd::Create(lpszClassName, lpszWindowName, dwStyle, rect, pParentWnd, nID, pContext); if(bRet) SetFont(&m_Font); return bRet; } BOOL CHexEdit::OnEraseBkgnd(CDC* pDC) { pDC; return TRUE; } void CHexEdit::SetOptions(BOOL a, BOOL h, BOOL c, BOOL w) { m_bShowHex = h; m_bShowAscii = c; m_bShowAddress = a; m_bAddressIsWide= w; // 4/8 byte address m_bUpdate = TRUE; } void CHexEdit::SetBPR(int bpr) { m_bpr = bpr; m_bUpdate = TRUE; } void CHexEdit::OnLButtonDown(UINT nFlags, CPoint point) { SetFocus(); if(!m_pData) return; if(nFlags & MK_SHIFT) { m_selStart = m_currentAddress; } CPoint pt = CalcPos(point.x, point.y); if(pt.x > -1) { m_editPos = pt; pt.x *= m_nullWidth; pt.y *= m_lineHeight; if(pt.x == 0 && m_bShowAddress) CreateAddressCaret(); else CreateEditCaret(); SetCaretPos(pt); if(nFlags & MK_SHIFT) { m_selEnd = m_currentAddress; if(m_currentMode == EDIT_HIGH || m_currentMode == EDIT_LOW) m_selEnd++; RedrawWindow(); } } if(!(nFlags & MK_SHIFT)) { if(DragDetect(this->m_hWnd, point)) { m_selStart = m_currentAddress; m_selEnd = m_selStart; SetCapture(); } else { BOOL bsel = m_selStart != 0xffffffff; m_selStart = 0xffffffff; m_selEnd = 0xffffffff; if(bsel) RedrawWindow(); } } if(!IsSelected()) { ShowCaret(); } } void CHexEdit::OnLButtonDblClk(UINT nFlags, CPoint point) { nFlags; point; } CPoint CHexEdit::CalcPos(int x, int y) { y /= m_lineHeight; if(y < 0 || y > m_lpp) return CPoint(-1, -1); if(y * m_bpr > m_length) return CPoint(-1, -1); x += m_nullWidth; x /= m_nullWidth; int xp; if(m_bShowAddress && x <= (m_bAddressIsWide ? 8 : 4)) { m_currentAddress = m_topindex + (m_bpr * y); m_currentMode = EDIT_NONE; return CPoint(0, y); } xp = (m_offHex / m_nullWidth) + m_bpr * 3; if(m_bShowHex && x < xp) { if(x%3) x--; m_currentAddress = m_topindex + (m_bpr * y) + (x - (m_offHex / m_nullWidth)) / 3; m_currentMode = ((x%3) & 0x01) ? EDIT_LOW : EDIT_HIGH; return CPoint(x, y); } xp = (m_offAscii / m_nullWidth) + m_bpr; if(m_bShowAscii && x <= xp) { m_currentAddress = m_topindex + (m_bpr * y) + (x - (m_offAscii / m_nullWidth)); m_currentMode = EDIT_ASCII; return CPoint(x, y); } return CPoint(-1,-1); } void CHexEdit::CreateAddressCaret() { DestroyCaret(); CreateSolidCaret(m_nullWidth * (m_bAddressIsWide ? 8 : 4), m_lineHeight); } void CHexEdit::CreateEditCaret() { DestroyCaret(); CreateSolidCaret(m_nullWidth, m_lineHeight); } void CHexEdit::OnMouseMove(UINT nFlags, CPoint point) { if(!m_pData) return; if(nFlags & MK_LBUTTON && m_selStart != 0xffffffff) { CRect rc; GetClientRect(&rc); if(!rc.PtInRect(point)) { if(point.y < 0) { OnVScroll(SB_LINEUP, 0, NULL); point.y = 0; } else if(point.y > rc.Height()) { OnVScroll(SB_LINEDOWN, 0, NULL); point.y = rc.Height() -1; } } // // we are selecting // int seo = m_selEnd; CPoint pt = CalcPos(point.x, point.y); if(pt.x > -1) { m_selEnd = m_currentAddress; if(m_currentMode == EDIT_HIGH || m_currentMode == EDIT_LOW) m_selEnd++; } if(IsSelected()) DestroyCaret(); if(seo != m_selEnd) RedrawWindow(); } } void CHexEdit::UpdateScrollbars() { SCROLLINFO si; si.cbSize = sizeof(SCROLLINFO); si.fMask = SIF_ALL; si.nMin = 0; si.nMax = (m_length / m_bpr) - 1; si.nPage = m_lpp; si.nPos = m_topindex / m_bpr; ::SetScrollInfo(this->m_hWnd, SB_VERT, &si, TRUE); if(si.nMax > (int)si.nPage) ::EnableScrollBar(this->m_hWnd, SB_VERT, ESB_ENABLE_BOTH); CRect rc; GetClientRect(&rc); si.nMin = 0; si.nMax =((m_bShowAddress ? (m_bAddressIsWide ? 8 : 4) : 0) + (m_bShowHex ? m_bpr * 3 : 0) + (m_bShowAscii ? m_bpr : 0) ) * m_nullWidth; si.nPage = 1; si.nPos = 0; ::SetScrollInfo(this->m_hWnd, SB_HORZ, &si, TRUE); } inline BOOL CHexEdit::IsSelected() { return m_selStart != 0xffffffff; } void CHexEdit::OnLButtonUp(UINT nFlags, CPoint point) { if(IsSelected()) ReleaseCapture(); CWnd::OnLButtonUp(nFlags, point); } 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::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::Move(int x, int y) { switch(m_currentMode) { case EDIT_NONE: return; case EDIT_HIGH: if(x != 0) m_currentMode = EDIT_LOW; if(x == -1) m_currentAddress --; m_currentAddress += y* m_bpr; break; case EDIT_LOW: if(x != 0) m_currentMode = EDIT_HIGH; if(x == 1) m_currentAddress++; m_currentAddress += y* m_bpr; break; case EDIT_ASCII: { m_currentAddress += x; m_currentAddress += y*m_bpr; } break; } if(m_currentAddress < 0) m_currentAddress = 0; if(m_currentAddress >= m_length) { m_currentAddress -= x; m_currentAddress -= y*m_bpr; } m_bNoAddressChange = TRUE; if(m_currentAddress < m_topindex) { OnVScroll(SB_LINEUP, 0, NULL); } if(m_currentAddress >= m_topindex + m_lpp*m_bpr) { OnVScroll(SB_LINEDOWN, 0, NULL); } m_bNoAddressChange = FALSE; //ScrollIntoView(m_currentAddress); RepositionCaret(m_currentAddress); } void CHexEdit::SetSel(int s, int e) { DestroyCaret(); m_selStart = s; m_selEnd = e; RedrawWindow(); if(m_editPos.x == 0 && m_bShowAddress) CreateAddressCaret(); else CreateEditCaret(); SetCaretPos(m_editPos); ShowCaret(); } void CHexEdit::RepositionCaret(int p) { int x, y; y = (p - m_topindex) / m_bpr; x = (p - m_topindex) % m_bpr; switch(m_currentMode) { case EDIT_NONE: CreateAddressCaret(); x = 0; break; case EDIT_HIGH: CreateEditCaret(); x *= m_nullWidth*3; x += m_offHex; break; case EDIT_LOW: CreateEditCaret(); x *= m_nullWidth*3; x += m_nullWidth; x += m_offHex; break; case EDIT_ASCII: CreateEditCaret(); x *= m_nullWidth; x += m_offAscii; break; } m_editPos.x = x; m_editPos.y = y*m_lineHeight; CRect rc; GetClientRect(&rc); if(rc.PtInRect(m_editPos)) { SetCaretPos(m_editPos); ShowCaret(); } } void CHexEdit::ScrollIntoView(int p) { if(p < m_topindex || p > m_topindex + m_lpp*m_bpr) { m_topindex = (p/m_bpr) * m_bpr; m_topindex -= (m_lpp / 3) * m_bpr; if(m_topindex < 0) m_topindex = 0; UpdateScrollbars(); RedrawWindow(); } } void CHexEdit::OnContextMenu(CWnd*, CPoint point) { // CG: This block was added by the Pop-up Menu component { if (point.x == -1 && point.y == -1) { //keystroke invocation CRect rect; GetClientRect(rect); ClientToScreen(rect); point = rect.TopLeft(); point.Offset(5, 5); } CMenu menu; VERIFY(menu.LoadMenu(IDR_POPUP_HEX_EDIT)); CMenu* pPopup = menu.GetSubMenu(0); ASSERT(pPopup != NULL); pPopup->EnableMenuItem(ID_EDIT_UNDO, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND); if(!IsSelected()) { pPopup->EnableMenuItem(ID_EDIT_CLEAR, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND); pPopup->EnableMenuItem(ID_EDIT_CUT, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND); pPopup->EnableMenuItem(ID_EDIT_COPY, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND); } { COleDataObject obj; if (obj.AttachClipboard()) { if(!obj.IsDataAvailable(CF_TEXT) && !obj.IsDataAvailable(RegisterClipboardFormat("BinaryData"))) pPopup->EnableMenuItem(ID_EDIT_PASTE, MF_GRAYED|MF_DISABLED|MF_BYCOMMAND); } } pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this); } } void CHexEdit::OnEditClear() { m_currentAddress = m_selStart; SelDelete(m_selStart, m_selEnd); RepositionCaret(m_currentAddress); RedrawWindow(); } void CHexEdit::OnEditCopy() { COleDataSource* pSource = new COleDataSource(); EmptyClipboard(); if(m_currentMode != EDIT_ASCII) { int dwLen = (m_selEnd-m_selStart); HGLOBAL hMemb = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, m_selEnd-m_selStart); HGLOBAL hMema = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, (dwLen) * 3); if (!hMema) return; // copy binary LPBYTE p = (BYTE*)::GlobalLock(hMemb); memcpy(p, m_pData+m_selStart, dwLen); ::GlobalUnlock(hMemb); // copy ascii p = (BYTE*)::GlobalLock(hMema); for(int i = 0; i < dwLen;) { TOHEX(m_pData[m_selStart+i], p); *p++ = ' '; i++; } ::GlobalUnlock(hMema); pSource->CacheGlobalData(RegisterClipboardFormat("BinaryData"), hMemb); pSource->CacheGlobalData(CF_TEXT, hMema); } else { HGLOBAL hMemb = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, m_selEnd-m_selStart); HGLOBAL hMema = ::GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT, m_selEnd-m_selStart); if (!hMemb || !hMema) return; // copy binary LPBYTE p = (BYTE*)::GlobalLock(hMemb); int dwLen = m_selEnd-m_selStart; memcpy(p, m_pData+m_selStart, dwLen); ::GlobalUnlock(hMemb); // copy ascii p = (BYTE*)::GlobalLock(hMema); memcpy(p, m_pData+m_selStart, dwLen); for(int i = 0; i < dwLen; p++, i++) if(!isprint(*p)) *p = '.'; ::GlobalUnlock(hMema); pSource->CacheGlobalData(RegisterClipboardFormat("BinaryData"), hMemb); pSource->CacheGlobalData(CF_TEXT, hMema); } pSource->SetClipboard(); } void CHexEdit::OnEditCut() { OnEditCopy(); SelDelete(m_selStart, m_selEnd); RedrawWindow(); } 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 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::OnEditSelectAll() { m_selStart = 0; m_selEnd = m_length; DestroyCaret(); RedrawWindow(); } void CHexEdit::OnEditUndo() { // TODO: Add your command handler code here } void CHexEdit::NormalizeSel() { if(m_selStart > m_selEnd) m_selStart ^= m_selEnd ^= m_selStart ^= m_selEnd; } void CHexEdit::SelDelete(int s, int e) { LPBYTE p = (LPBYTE) malloc(m_length - (e-s)+1); memcpy(p, m_pData, s); if(s < m_length-(e-s)) memcpy(p+s, m_pData+e, (m_length -e)); free(m_pData); SetSel(-1, -1); m_pData = p; m_length = m_length-(e-s); if(m_currentAddress > m_length) { m_currentAddress = m_length; RepositionCaret(m_currentAddress); } m_bUpdate = TRUE; } void CHexEdit::SelInsert(int s, int l) { LPBYTE p = (LPBYTE) calloc(m_length + l, 1); memcpy(p, m_pData, s); memcpy(p+s+l, m_pData+s, (m_length-s)); free(m_pData); SetSel(-1, -1); m_pData = p; m_length = m_length+l; m_bUpdate = TRUE; } CSize CHexEdit::GetSel() { return CSize(m_selStart, m_selEnd); } void CHexEdit::SetData(LPBYTE p, int len) { if(m_pData!=NULL) free(m_pData); m_pData = (LPBYTE) malloc(len); memcpy(m_pData, p, len); SetSel(-1, -1); m_length = len; m_currentAddress = 0; m_editPos.x = m_editPos.y = 0; m_currentMode = EDIT_HIGH; m_topindex = 0; m_bUpdate = TRUE; } int CHexEdit::GetData(LPBYTE p, int len) { memcpy(p, m_pData, min(len, m_length)); return m_length; }