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Control.cpp
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Control.cpp
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// Control.cpp : implements control bars and controls thereon
//
// Copyright (c) 2015 by Andrew W. Phillips
//
// This file is distributed under the MIT license, which basically says
// you can do what you want with it and I take no responsibility for bugs.
// See http://www.opensource.org/licenses/mit-license.php for full details.
//
#include "stdafx.h"
#include <locale.h>
#include <assert.h>
#include "HexEdit.h"
#include "MainFrm.h"
#include "HexEditDoc.h"
#include "HexEditView.h"
#include "bookmark.h"
#include "SystemSound.h"
#include "misc.h"
#include "resource.hm" // For control help IDs
#include <afxpriv.h> // for WM_COMMANDHELP and WM_HELPHITTEST
#include <HtmlHelp.h>
extern CHexEditApp theApp;
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CHexEdit - subclassed edit control that allows entry of hex bytes
IMPLEMENT_DYNAMIC(CHexEdit, CEdit)
BEGIN_MESSAGE_MAP(CHexEdit, CEdit)
ON_WM_CHAR()
ON_WM_KEYDOWN()
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CHexEdit message handlers
void CHexEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CString ss; // Current text in control
GetWindowText(ss);
int start, end; // Range of selection of text in control
GetSel(start, end);
const char *test_str;
if (allow_qmark_)
test_str = "\b 0123456789abcdefABCDEF?";
else
test_str = "\b 0123456789abcdefABCDEF";
if (nChar == '\b' && start > 1 && start == end && ss[start-1] == ' ')
{
// If deleting 1st nybble (hex mode) then also delete preceding space
SetSel(start-2, end);
// no return
}
else if (nChar == ' ')
{
// Just ignore spaces
return;
}
else if (::isprint(nChar) && strchr(test_str, nChar) == NULL)
{
#ifdef SYS_SOUNDS
if (!CSystemSound::Play("Invalid Character"))
#endif
::Beep(5000,200);
return;
}
CEdit::OnChar(nChar, nRepCnt, nFlags);
add_spaces();
}
void CHexEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CString ss; // Current text in control
GetWindowText(ss);
int start, end; // Range of selection of text in control
GetSel(start, end);
if (nChar == VK_DELETE && start == end && ss.GetLength() > start+1 &&
ss[start+1] == ' ')
SetSel(start, start+2);
else if (nChar == VK_LEFT && start == end && start > 0 && ss[start-1] == ' ')
SetSel(start-1, start-1);
CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
// Tidy display if char(s) deleted or caret moved
GetWindowText(ss);
if ((nChar == VK_DELETE || nChar == VK_RIGHT || nChar == VK_LEFT) &&
::GetKeyState(VK_SHIFT) >= 0 &&
ss.GetLength() > 0)
{
add_spaces();
}
}
/////////////////////////////////////////////////////////////////////////////
// CHexEdit private methods
void CHexEdit::add_spaces()
{
CString ss; // Current string
GetWindowText(ss);
int start, end; // Current selection (start==end if just caret)
GetSel(start, end);
const char *pp; // Ptr into orig. (hex digit) string
int newstart, newend; // New caret position/selection
newstart = newend = 0; // In case of empty string
// Allocate enough space (allowing for space padding)
char *out = new char[(ss.GetLength()*(group_by_+1))/group_by_ + 2]; // Where chars are stored
size_t ii, jj; // Number of hex nybbles written/read
char *dd = out; // Ptr to current output char
int ndigits; // Numbers of chars that are part of number
// If right aligned we need to know how many digits are to be used
if (right_align_)
{
for (ndigits = 0, pp = ss.GetBuffer(0); *pp != '\0'; ++pp)
if (isxdigit(*pp))
++ndigits;
ss.ReleaseBuffer();
}
for (pp = ss.GetBuffer(0), ii = jj = 0; /*forever*/; ++pp, ++ii)
{
if (ii == start)
newstart = dd - out; // save new caret position
if (ii == end)
newend = dd - out;
if (*pp == '\0')
break;
// Ignore spaces (and anything else)
if (!isxdigit(*pp) && *pp != '?')
continue; // ignore all but digits and ?
if (theApp.hex_ucase_)
*dd++ = toupper(*pp); // convert all to upper case
else
*dd++ = tolower(*pp); // convert all to lower case
++jj;
if (right_align_)
{
if ((ndigits-jj) % group_by_ == 0)
*dd++ = ' '; // pad with space at start of next group
}
else
{
if (jj > 0 && (jj % group_by_) == 0)
*dd++ = ' '; // pad with space after every group_by_'th hex digit
}
}
if (dd > out && *(dd-1) == ' ')
// if (jj > 0 && (jj % group_by_) == 0)
dd--; // Forget last space if added
*dd = '\0'; // Terminate string
SetWindowText(out);
SetSel(newstart, newend);
delete[] out;
}
/////////////////////////////////////////////////////////////////////////////
// CDecEdit - subclassed edit control that allows entry of a decimal number
// TBD: this is similar but does less than CDecEditControl (below) - perhaps it should just be an option in CDecEditControl
IMPLEMENT_DYNAMIC(CDecEdit, CEdit)
BEGIN_MESSAGE_MAP(CDecEdit, CEdit)
ON_WM_CHAR()
ON_WM_KEYDOWN()
END_MESSAGE_MAP()
CDecEdit::CDecEdit() : allow_neg_(false)
{
sep_char_ = theApp.dec_sep_char_;
group_by_ = theApp.dec_group_;
}
/////////////////////////////////////////////////////////////////////////////
// CDecEdit message handlers
void CDecEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CString ss; // Current text in control
GetWindowText(ss);
int start, end; // Range of selection of text in control
GetSel(start, end);
CString test_str = CString("\b 0123456789") + sep_char_;
if (nChar == '\b' && start > 1 && start == end && ss[start-1] == sep_char_)
{
// If deleting 1st char of group then also delete preceding sep_char
SetSel(start-2, end);
// no return
}
else if (nChar == ' ' || nChar == sep_char_)
{
// Just ignore these characters
return;
}
else if (allow_neg_ && nChar == '-')
{
/*nothing*/ ;
}
else if (::isprint(nChar) && strchr(test_str, nChar) == NULL)
{
#ifdef SYS_SOUNDS
if (!CSystemSound::Play("Invalid Character"))
#endif
::Beep(5000,200);
return;
}
CEdit::OnChar(nChar, nRepCnt, nFlags);
add_commas();
}
void CDecEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CString ss; // Current text in control
GetWindowText(ss);
int start, end; // Range of selection of text in control
GetSel(start, end);
if (nChar == VK_DELETE && start == end && ss.GetLength() > start+1 &&
ss[start+1] == sep_char_)
SetSel(start, start+2);
else if (nChar == VK_LEFT && start == end && start > 0 && ss[start-1] == sep_char_)
SetSel(start-1, start-1);
CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
// Tidy display if char(s) deleted or caret moved
GetWindowText(ss);
if ((nChar == VK_DELETE || nChar == VK_RIGHT || nChar == VK_LEFT) &&
::GetKeyState(VK_SHIFT) >= 0 &&
ss.GetLength() > 0)
{
add_commas();
}
}
/////////////////////////////////////////////////////////////////////////////
// CDecEdit private methods
void CDecEdit::add_commas()
{
CString ss; // Current string
GetWindowText(ss);
int start, end; // Current selection (start==end if just caret)
GetSel(start, end);
const char *pp; // Ptr into orig. (decimal number) string
int newstart, newend; // New caret position/selection
newstart = newend = 0; // In case of empty string
// Allocate enough space (allowing for comma padding)
char *out = new char[(ss.GetLength()*(group_by_+1))/group_by_ + 2]; // Where chars are stored
size_t ii, jj; // Number of digits written/read
char *dd = out; // Ptr to current output char
int ndigits; // Numbers of chars that are part of number
BOOL none_yet = TRUE; // Have we seen any non-zero digits?
for (pp = ss.GetBuffer(0), ndigits = 0; *pp != '\0'; ++pp)
if (isdigit(*pp))
++ndigits;
ss.ReleaseBuffer();
for (pp = ss.GetBuffer(0), ii = jj = 0; /*forever*/; ++pp, ++ii)
{
if (ii == start)
newstart = dd - out; // save new caret position
if (ii == end)
newend = dd - out;
if (*pp == '\0')
break;
if (allow_neg_ && dd == out && *pp == '-')
{
*dd++ = '-';
continue;
}
// Ignore spaces (and anything else)
if (!isdigit(*pp))
continue; // ignore all but digits
if (++jj < ndigits && none_yet && *pp == '0')
continue; // ignore leading zeroes
none_yet = FALSE;
*dd++ = *pp;
if ((ndigits - jj) % group_by_ == 0)
*dd++ = sep_char_; // put in thousands separator
}
if (dd > out && ndigits > 0)
dd--; // Forget last comma if added
*dd = '\0'; // Terminate string
SetWindowText(out);
SetSel(newstart, newend);
delete[] out;
}
//===========================================================================
/////////////////////////////////////////////////////////////////////////////
// CSearchEditControl
IMPLEMENT_DYNAMIC(CSearchEditControl, CMFCToolBarComboBoxEdit)
CSearchEditControl::CSearchEditControl(CMFCToolBarComboBoxButton & combo) :
CMFCToolBarComboBoxEdit(combo)
{
mode_ = mode_none;
}
BEGIN_MESSAGE_MAP(CSearchEditControl, CMFCToolBarComboBoxEdit)
//{{AFX_MSG_MAP(CSearchEditControl)
ON_WM_CHAR()
ON_WM_SETFOCUS()
ON_WM_KEYDOWN()
ON_WM_KILLFOCUS()
//}}AFX_MSG_MAP
ON_MESSAGE(WM_COMMANDHELP, OnCommandHelp)
END_MESSAGE_MAP()
void CSearchEditControl::Redisplay() // Make sure hex digits case OK etc
{
CString ss;
GetWindowText(ss);
if (ss.GetLength() > 0 && ss[0] != sflag_char && ss[0] != iflag_char)
{
normalize_hex();
// Make sure OnUpdate does not set search string back to what it was
GetWindowText(ss);
// ((CMainFrame *)AfxGetMainWnd())->SetSearch(ss);
((CMainFrame *)AfxGetMainWnd())->SetSearchString(ss);
}
}
/////////////////////////////////////////////////////////////////////////////
// CSearchEditControl message handlers
void CSearchEditControl::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CString ss;
if (process_char(nChar))
{
GetWindowText(ss);
((CMainFrame *)AfxGetMainWnd())->SetSearch(ss);
return;
}
CMFCToolBarComboBoxEdit::OnChar(nChar, nRepCnt, nFlags);
// If in hex mode make sure it looks neat
GetWindowText(ss);
if (ss.GetLength() > 0 && ss[0] != sflag_char && ss[0] != iflag_char)
{
normalize_hex();
GetWindowText(ss);
}
((CMainFrame *)AfxGetMainWnd())->SetSearch(ss);
#ifdef AUTO_COMPLETE_SEARCH
// Now do search string completion using all strings in history
int start, end; // Range of current selection
GetSel(start, end); // (start == end means no selection just caret)
if (::isprint(nChar) && start == ss.GetLength())
{
ASSERT(start == end);
// Valid char typed at end of current text so do completion
CMainFrame *mm = (CMainFrame *)AfxGetMainWnd();
// Find matching string from search history
int count = 0;
std::vector<CString>::iterator match;
for (std::vector<CString>::iterator ps = mm->search_hist_.begin();
ps != mm->search_hist_.end(); ++ps)
{
if (ss.GetLength() > 0 && ss[0] != sflag_char)
{
// Case-insensitive comparisons (doing hex or case-insensitive search)
if (ss.CompareNoCase(ps->Left(ss.GetLength())) == 0)
{
match = ps;
++count;
}
}
else
{
// Case-sensitive comparisons
if (ss.Compare(ps->Left(ss.GetLength())) == 0)
{
match = ps;
++count;
}
}
}
if (count == 1)
{
// We autocomplete if exactly one match found but not if the new string is
// bigger than the edit control can display otherwise the SetSel() call
// below makes the end of
// Work out new bit to add to end
CString strEnd = match->Mid(ss.GetLength());
// Work out size of new string in edit control
CDC *pDC = GetDC();
CSize str_size = pDC->GetTextExtent(strEnd);
ReleaseDC(pDC);
// Work out visible area of edit control
CRect rct;
GetRect(&rct);
if (str_size.cx < rct.Width())
{
// The new string fits so complete it
SetWindowText(ss + strEnd);
// Select it so user doesn't have to do anything if they don't really want this one
SetSel(start, -1);
// Make sure OnUpdate handler doesn't set string back the way it was
mm->SetSearch(ss + strEnd);
}
}
}
#endif
}
void CSearchEditControl::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
CString ss;
GetWindowText(ss);
int start, end;
GetSel(start, end);
if (nChar == VK_DELETE && start == 0 && ss.GetLength() > 0 &&
(ss[0] == sflag_char || ss[0] == iflag_char))
{
// Convert ASCII chars to equiv. hex digits
if (end > 0)
{
SetSel(1, end);
Clear();
}
convert2hex();
GetWindowText(ss);
((CMainFrame *)AfxGetMainWnd())->SetSearch(ss);
return;
}
else if (nChar == VK_DELETE && start == end && ss.GetLength() > start+1 &&
ss[0] != sflag_char && ss[0] != iflag_char && ss[start+1] == ' ')
SetSel(start, start+2);
else if (nChar == VK_LEFT && start == end && start > 0 &&
ss[0] != sflag_char && ss[0] != iflag_char && ss[start-1] == ' ')
SetSel(start-1, start-1);
CMFCToolBarComboBoxEdit::OnKeyDown(nChar, nRepCnt, nFlags);
// Tidy display if hex and char(s) deleted or caret moved
GetWindowText(ss);
if ((nChar == VK_DELETE || nChar == VK_RIGHT || nChar == VK_LEFT) &&
::GetKeyState(VK_SHIFT) >= 0 && ss.GetLength() > 0 &&
ss[0] != sflag_char && ss[0] != iflag_char)
{
normalize_hex();
GetWindowText(ss);
}
((CMainFrame *)AfxGetMainWnd())->SetSearch(ss);
}
// TBD: xxx OnSet/KillFocus could perhaps be removed and mode changes done more effectively elsewhere
void CSearchEditControl::OnSetFocus(CWnd* pOldWnd)
{
CString strCurr;
CMFCToolBarComboBoxEdit::OnSetFocus(pOldWnd);
char new_text[2] = "?";
GetWindowText(strCurr);
if (strCurr.GetLength() > 0)
{
if (mode_ == mode_hex && (strCurr[0] == sflag_char || strCurr[0] == iflag_char))
{
convert2hex(); // Convert existing chars to hex digits
SetSel(0,-1); // Make sure all selected
}
else if (mode_ == mode_char && strCurr[0] != sflag_char && strCurr[0] != iflag_char)
convert2chars(); // Convert hex digits to chars (as many as possible)
else if (mode_ == mode_icase && strCurr[0] != sflag_char && strCurr[0] != iflag_char)
convert2chars(iflag_char); // Convert hex digits to chars (icase search)
else if (mode_ == mode_char && strCurr[0] == iflag_char)
{
SetSel(0,1);
new_text[0] = sflag_char;
ReplaceSel(new_text);
((CMainFrame *)AfxGetMainWnd())->
SetSearch(CString(char(sflag_char)) + strCurr.Mid(1));
}
else if (mode_ == mode_icase && strCurr[0] == sflag_char)
{
SetSel(0,1);
new_text[0] = iflag_char;
ReplaceSel(new_text);
((CMainFrame *)AfxGetMainWnd())->
SetSearch(CString(char(iflag_char)) + strCurr.Mid(1));
}
else if (mode_ == mode_none && strCurr[0] == sflag_char)
mode_ = mode_char;
else if (mode_ == mode_none && strCurr[0] == iflag_char)
mode_ = mode_icase;
}
else if (mode_ == mode_char)
{
// No chars but char search mode so add "="
new_text[0] = sflag_char;
SetWindowText(new_text);
((CMainFrame *)AfxGetMainWnd())->SetSearch(new_text);
}
else if (mode_ == mode_icase)
{
// No chars but case-insensitive search mode so add "~"
new_text[0] = iflag_char;
SetWindowText(new_text);
((CMainFrame *)AfxGetMainWnd())->SetSearch(new_text);
}
if (mode_ == mode_char || mode_ == mode_icase)
SetSel(1,-1); // select all but ' so string can easily be overtyped
}
void CSearchEditControl::OnKillFocus(CWnd* pNewWnd)
{
CMFCToolBarComboBoxEdit::OnKillFocus(pNewWnd);
mode_ = mode_none;
}
LRESULT CSearchEditControl::OnCommandHelp(WPARAM, LPARAM lParam)
{
if (!::HtmlHelp(AfxGetMainWnd()->m_hWnd, theApp.htmlhelp_file_,
HH_HELP_CONTEXT, 0x10000 + ID_SEARCH_COMBO))
AfxMessageBox(AFX_IDP_FAILED_TO_LAUNCH_HELP);
return 1; // Indicate help launched
}
#if 0 // not needed with BCG
UINT CSearchEditControl::OnGetDlgCode()
{
// Get all keys so that we see CR and Escape
return CMFCToolBarComboBoxEdit::OnGetDlgCode() | DLGC_WANTALLKEYS;
}
#endif
/////////////////////////////////////////////////////////////////////////////
// CSearchEditControl private methods
BOOL CSearchEditControl::process_char(UINT nChar)
{
CString ss;
GetWindowText(ss); // Current text in control (before key pressed)
int len = ss.GetLength(); // Length of current text
int start, end; // Range of current selection
GetSel(start, end); // (start == end means no selection just caret)
if (nChar == '\b' && // Backspace ...
(start == 1 && end == 1 || start == 0 && end > 0) && // When after 1st char OR they are included in selection
(ss[0] == sflag_char || ss[0] == iflag_char)) // And 1st char is '~' or '='
{
// Convert ASCII chars to equiv. hex digits
if (start == 0)
{
SetSel(1, end);
Clear();
}
convert2hex();
return TRUE;
}
else if (nChar == '\b' && start > 1 && start == end && ss[start-1] == ' ' &&
ss[0] != sflag_char && ss[0] != iflag_char)
{
// If deleting 1st nybble (hex mode) then also delete preceding space
SetSel(start-2, end);
}
else if (nChar == sflag_char && start == 0 && len > 0 && // '=' typed when at start
(ss[0] == iflag_char || ss[0] == sflag_char)) // and doing char search
{
// Make search case-sensitive
char new_text[2] = "?";
new_text[0] = sflag_char;
if (end == 0) SetSel(0,1);
ReplaceSel(new_text);
return TRUE;
}
else if (nChar == iflag_char && start == 0 && len > 0 && // '~' typed when at start
(ss[0] == iflag_char || ss[0] == sflag_char)) // and doing char search
{
// Make search case-insensitive
char new_text[2] = "?";
new_text[0] = iflag_char;
if (end == 0) SetSel(0,1);
ReplaceSel(new_text);
return TRUE;
}
else if ((nChar == sflag_char || nChar == iflag_char) &&
start == 0 && len > 0 &&
ss[0] != sflag_char && ss[0] != iflag_char )
{
// =/~ at start and not one there already
Clear();
convert2chars(nChar);
SetSel(1,1);
return TRUE;
}
else if (nChar == ' ' && len > 0 &&
ss[0] != sflag_char && ss[0] != iflag_char )
{
// Ignore spaces if in hex mode (tend to type them because of display)
return TRUE;
}
else if (::isprint(nChar))
{
// Chars allowed in empty edit (ie start of text search or a hex digit)
char valid_empty[] = "??0123456789ABCDEFabcdef";
valid_empty[0] = sflag_char;
valid_empty[1] = iflag_char;
// Disallow the following (where ASCII mode is where ss[0] == iflag or sflag)
// - any char at start (except sflag/iflag/DEL, handled above) if ASCII mode
// - any char except sflag/iflag/hex-digit if field empty
// - non-hexdigit (except BS) if not ASCII mode
if ((start == 0 && len > 0 && (ss[0]==sflag_char||ss[0]==iflag_char)) ||
(len == 0 && strchr(valid_empty, nChar) == NULL) ||
(len > 0 && ss[0] != sflag_char && ss[0] != iflag_char &&
strchr("\b0123456789ABCDEFabcdef", nChar) == NULL) )
{
#ifdef SYS_SOUNDS
if (!CSystemSound::Play("Invalid Character"))
#endif
::Beep(5000,200);
return TRUE;
}
}
return FALSE;
}
void CSearchEditControl::normalize_hex()
{
CString ss;
GetWindowText(ss);
int start, end;
GetSel(start, end);
const char *pp; // Ptr into orig. (hex digit) string
int newstart, newend; // New caret position/selection
newstart = newend = 0; // In case of empty text string
// Allocate enough space (allowing for space padding)
char *out = new char[(ss.GetLength()*3)/2+2]; // Where chars are stored
size_t ii, jj; // Number of hex nybbles written/read
char *dd = out; // Ptr to current output char
CHexEditApp *aa = dynamic_cast<CHexEditApp *>(AfxGetApp());
for (pp = ss.GetBuffer(0), ii = jj = 0; /*forever*/; ++pp, ++ii)
{
if (ii == start)
newstart = dd - out; // save new caret position
if (ii == end)
newend = dd - out;
if (*pp == '\0')
break;
// Ignore spaces (and anything else)
if (!isxdigit(*pp))
continue; // ignore all but hex digits
if (aa->hex_ucase_)
*dd++ = toupper(*pp); // convert all to upper case
else
*dd++ = tolower(*pp); // convert all to lower case
if ((++jj % 2) == 0)
*dd++ = ' '; // pad with space after 2 nybbles
}
if ((jj % 2) == 0 && jj > 0)
dd--; // Remove trailing space
*dd = '\0'; // Terminate string
SetWindowText(out);
SetSel(newstart, newend);
delete[] out;
}
void CSearchEditControl::convert2hex()
{
BOOL bad_chars = FALSE;
BOOL ebcdic = FALSE;
CString ss;
GetWindowText(ss);
if (ss.GetLength() == 0)
return;
if (ss[0] != sflag_char && ss[0] != iflag_char)
{
convert2chars(); // -> chars then -> hex to normalize
GetWindowText(ss);
}
const char *pp; // Ptr into input (ASCII char) string
char *out = new char[ss.GetLength()*3+1]; // Where output chars are stored
char *dd = out; // Ptr to current output char
// Display hex in upper or lower case?
CHexEditApp *aa = dynamic_cast<CHexEditApp *>(AfxGetApp());
const char *hex_fmt;
if (aa->hex_ucase_)
hex_fmt = "%02X ";
else
hex_fmt = "%02x ";
// If view is displaying EBCDIC chars then convert to hex assuming EBCDIC chars
ASSERT(GetView() != NULL);
if (GetView()->EbcdicMode())
ebcdic = TRUE;
for (pp = ss.GetBuffer(0) + 1; *pp != '\0'; ++pp)
{
if (ebcdic && *pp < 128 && *pp >= 0 && a2e_tab[*pp] != '\0')
{
sprintf(dd, hex_fmt, a2e_tab[(unsigned char)*pp]);
dd += 3;
}
else if (ebcdic)
bad_chars = TRUE;
else
{
sprintf(dd, hex_fmt, (unsigned char)*pp);
dd += 3;
}
}
if (dd > out) dd--; // Forget trailing space
*dd = '\0'; // Terminate string
SetWindowText(out);
((CMainFrame *)AfxGetMainWnd())->SetSearch(out);
delete[] out;
if (bad_chars)
{
((CMainFrame *)AfxGetMainWnd())->
StatusBarText("Hex search: invalid EBCDIC chars ignored");
}
}
void CSearchEditControl::convert2chars(char c1)
{
BOOL bad_chars = FALSE;
BOOL ebcdic = FALSE;
CString ss;
GetWindowText(ss);
if (ss.GetLength() == 0)
{
char new_text[2] = "?";
new_text[0] = c1;
SetWindowText(new_text);
((CMainFrame *)AfxGetMainWnd())->SetSearch(new_text);
return;
}
if (ss[0] == sflag_char || ss[0] == iflag_char)
{
convert2hex(); // -> hex then -> chars to normalize
GetWindowText(ss);
}
const char *pp; // Ptr to input (hex digit) string
char *out = new char[ss.GetLength()/2+3]; // Where output chars are stored
size_t length; // Number of hex output nybbles generated
char *dd = out; // Ptr to current output char
// If view is displaying EBCDIC chars then convert hex to EBCDIC
ASSERT(GetView() != NULL);
if (GetView()->EbcdicMode())
ebcdic = TRUE;
*(dd++) = c1; // Indicate char string (1st char == ' OR *)
for (pp = ss.GetBuffer(0), length = 0, *dd = '\0'; *pp != '\0'; ++pp)
{
// Ignore spaces (and anything else)
if (!isxdigit(*pp))
continue;
*dd = (*dd<<4) + (isdigit(*pp) ? *pp - '0' : toupper(*pp) - 'A' + 10);
if ((++length % 2) == 0)
{
if (ebcdic && (*dd = e2a_tab[(unsigned char)*dd]) != '\0')
++dd; // Valid EBCDIC so move to next byte
else if (!ebcdic && (unsigned char)*dd > '\r')
++dd; // Printable ASCII so move to next byte
else
{
length -= 2; // Forget byte (2 hex digits) just seen
bad_chars = TRUE;
}
*(dd) = '\0'; // Zero next byte
}
}
if ((length % 2) != 0 && *dd == '\0') // WAS ... && !isprint(*dd))
length--; // Solo last hex digit -> not printable char
if (length > 0)
length = (length-1)/2 + 1; // Convert nybble count to byte count
out[length+1] = '\0';
SetWindowText(out);
((CMainFrame *)AfxGetMainWnd())->SetSearch(out);
delete[] out;
if (ebcdic && bad_chars)
((CMainFrame *)AfxGetMainWnd())->StatusBarText("EBCDIC search: invalid characters ignored");
else if (bad_chars)
((CMainFrame *)AfxGetMainWnd())->StatusBarText("ASCII search: control characters ignored");
}
/////////////////////////////////////////////////////////////////////////////
// CSearchEditControl class (static methods)
// This finds the first visible search tool (in toolbars),
// changes to specified search mode and sets focus to it.
void CSearchEditControl::BeginSearch(enum mode_t mode)
{
CObList listButtons;
// Search all toolbars and jump to the first visible search tool found (can be more than one)
if (CMFCToolBar::GetCommandButtons(ID_SEARCH_COMBO, listButtons) > 0)
{
for (POSITION posCombo = listButtons.GetHeadPosition(); posCombo != NULL; )
{
CFindComboButton* pCombo =
DYNAMIC_DOWNCAST(CFindComboButton, listButtons.GetNext(posCombo));
ASSERT(pCombo != NULL);
CSearchEditControl * pedit = dynamic_cast<CSearchEditControl *>(pCombo->GetEditCtrl());
ASSERT(pedit != NULL);
if (pedit->IsWindowVisible())
{
// We found (first) one so change its mode and set focus
pedit->SetMode(mode);
pedit->SetFocus();
break;
}
}
}
}
// Finds all search tools and forces them to redraw
void CSearchEditControl::RedisplayAll()
{
CObList listButtons;
if (CMFCToolBar::GetCommandButtons(ID_SEARCH_COMBO, listButtons) > 0)
{
for (POSITION posCombo = listButtons.GetHeadPosition();
posCombo != NULL; )
{
CFindComboButton* pCombo =
DYNAMIC_DOWNCAST(CFindComboButton, listButtons.GetNext(posCombo));
ASSERT(pCombo != NULL);
CSearchEditControl * pedit = dynamic_cast<CSearchEditControl *>(pCombo->GetEditCtrl());
ASSERT(pedit != NULL);
pedit->Redisplay();
}
}
}
//===========================================================================
/////////////////////////////////////////////////////////////////////////////
// CFindComboBox
IMPLEMENT_DYNCREATE(CFindComboBox, CComboBox)
BEGIN_MESSAGE_MAP(CFindComboBox, CComboBox)
ON_CONTROL_REFLECT(CBN_SELCHANGE, OnSelchange)
END_MESSAGE_MAP()
void CFindComboBox::SetSearchString()
{
CHexEditApp *aa = dynamic_cast<CHexEditApp *>(AfxGetApp());
CString ss;
GetWindowText(ss);
if (ss.GetLength() > 0 &&
ss[0] != CSearchEditControl::sflag_char &&
ss[0] != CSearchEditControl::iflag_char)
{
if (aa->hex_ucase_)
ss.MakeUpper();
else
ss.MakeLower();
}
((CMainFrame *)AfxGetMainWnd())->SetSearch(ss);
}
/////////////////////////////////////////////////////////////////////////////
// CFindComboBox message handlers
// CBN_SELCHANGE message reflected back to the control
void CFindComboBox::OnSelchange()
{
SetSearchString();
}
//===========================================================================
/////////////////////////////////////////////////////////////////////////////
// CFindComboButton
IMPLEMENT_SERIAL(CFindComboButton, CMFCToolBarComboBoxButton, 1)
CComboBox *CFindComboButton::CreateCombo(CWnd* pWndParent, const CRect& rect)
{
CFindComboBox *pcombo = new CFindComboBox;
if (!pcombo->Create(m_dwStyle, rect, pWndParent, m_nID))
{
delete pcombo;
return NULL;
}
//pcombo->AddString(""); // This stops BCG restoring combo since we do it ourselves in OnUpdate
SetDropDownHeight(400);
return pcombo;
}
CSearchEditControl * CFindComboButton::CreateEdit(CWnd* pWndParent, const CRect& rect, DWORD dwEditStyle)
{
CSearchEditControl * pWndEdit = new CSearchEditControl(*this);
if (!pWndEdit->Create(dwEditStyle, rect, pWndParent, m_nID))
{
delete pWndEdit;
return NULL;
}
return pWndEdit;
}
BOOL CFindComboButton::NotifyCommand(int iNotifyCode)
{
if (m_pWndCombo->GetSafeHwnd() == 0)
return FALSE;
if (iNotifyCode == CBN_EDITCHANGE)
return TRUE;
else
return CMFCToolBarComboBoxButton::NotifyCommand(iNotifyCode);
}
//===========================================================================
/////////////////////////////////////////////////////////////////////////////
// CHexEditControl
IMPLEMENT_DYNAMIC(CHexEditControl, CMFCToolBarComboBoxEdit)
CHexEditControl::CHexEditControl(CMFCToolBarComboBoxButton & combo) :
CMFCToolBarComboBoxEdit(combo)
{
m_brush.CreateSolidBrush(RGB(255,255,255));