bool wxExEx::Move(
const wxString& begin_address,
const wxString& end_address,
const wxString& destination)
{
if (m_STC->GetReadOnly())
{
return false;
}
const int dest_line = ToLineNumber(destination);
if (dest_line == 0)
{
return false;
}
if (!SetSelection(begin_address, end_address))
{
return false;
}
if (begin_address.StartsWith("'"))
{
if (begin_address.size() > 1)
{
MarkerDelete(begin_address.GetChar(1));
}
}
if (end_address.StartsWith("'"))
{
if (end_address.size() > 1)
{
MarkerDelete(end_address.GetChar(1));
}
}
m_STC->BeginUndoAction();
m_STC->Cut();
m_STC->GotoLine(dest_line - 1);
m_STC->Paste();
m_STC->EndUndoAction();
const int lines = wxExGetNumberOfLines(m_STC->GetSelectedText());
if (lines >= 2)
{
m_Frame->ShowExMessage(wxString::Format(_("%d lines moved"), lines));
}
return true;
}
void StyledTextCtrl::OnMarginClick(wxStyledTextEvent& event)
{
int lineClick = LineFromPosition(event.GetPosition());
int levelClick = GetFoldLevel(lineClick);
switch (event.GetMargin())
{
case MARGIN_FOLD:
if ((levelClick & wxSTC_FOLDLEVELHEADERFLAG) > 0)
{
ToggleFold(lineClick);
}
break;
case MARGIN_LINE_BREAKS:
if (MarkerGet(lineClick) == 0)
{
MarkerAdd(lineClick, 0);
}
else
{
MarkerDelete(lineClick, 0);
}
break;
case MARGIN_LINE_EDITS:
break;
case MARGIN_LINE_NUMBERS:
break;
default:
break;
}
}
bool wxSTEditorShell::SetMaxLines(int max_lines)
{
m_max_lines = max_lines;
if (m_max_lines < 0) return false;
int total_lines = GetLineCount();
total_lines = wxMax(0, total_lines-1);
// delete lines when more than m_max_lines, you'll eventually crash otherwise
if (total_lines > m_max_lines)
{
BeginWriteable();
int marker = MarkerGet(total_lines - m_max_lines);
SetTargetStart(0);
SetTargetEnd(PositionFromLine(total_lines - m_max_lines));
ReplaceTarget(wxEmptyString);
// wipe marker that has moved up if there shouldn't be a marker
if ((marker & (1<<markerPrompt)) == 0)
MarkerDelete(0, markerPrompt);
EndWriteable();
return true;
}
return false;
}
/* This function will see if one or more 'areas' in the buffer
can be made available (either for writing xor reading).
Note: such a series of areas starts from the beginning.
*/
static int ScanMarkers(struct marker_list *pMarkerList,
int *piSizeBWA, int *piSizeAWA, int *piNbrPendingXfers)
{
struct marker *pM;
bool bMarkersAreNowAWA;
int index;
index = pMarkerList->iFirstMarker;
__ASSERT_NO_MSG(-1 != index);
bMarkersAreNowAWA = false;
do {
int index_next;
__ASSERT_NO_MSG(index == pMarkerList->iFirstMarker);
if (index == pMarkerList->iAWAMarker) {
bMarkersAreNowAWA = true; /* from now on, everything is AWA */
}
pM = &(pMarkerList->aMarkers[index]);
if (pM->bXferBusy == true) {
break;
}
if (!bMarkersAreNowAWA) {
*piSizeBWA += pM->size;
} else {
*piSizeAWA += pM->size;
}
index_next = pM->Next;
/* pMarkerList->iFirstMarker will be updated */
MarkerDelete(pMarkerList, index);
/* adjust *piNbrPendingXfers */
if (piNbrPendingXfers) {
__ASSERT_NO_MSG(0 <= *piNbrPendingXfers);
(*piNbrPendingXfers)--;
}
index = index_next;
} while (-1 != index);
__ASSERT_NO_MSG(index == pMarkerList->iFirstMarker);
if (bMarkersAreNowAWA) {
pMarkerList->iAWAMarker = pMarkerList->iFirstMarker;
}
#ifdef STORE_NBR_MARKERS
if (0 == pMarkerList->iNbrMarkers) {
__ASSERT_NO_MSG(-1 == pMarkerList->iFirstMarker);
__ASSERT_NO_MSG(-1 == pMarkerList->iLastMarker);
__ASSERT_NO_MSG(-1 == pMarkerList->iAWAMarker);
}
#endif
return pMarkerList->iFirstMarker;
}
bool wxExEx::Delete(
const wxString& begin_address,
const wxString& end_address)
{
if (m_STC->GetReadOnly() || m_STC->HexMode())
{
return false;
}
if (!SetSelection(begin_address, end_address))
{
return false;
}
const int lines = wxExGetNumberOfLines(m_STC->GetSelectedText());
m_STC->Cut();
if (begin_address.StartsWith("'"))
{
if (begin_address.size() > 1)
{
MarkerDelete(begin_address.GetChar(1));
}
}
if (end_address.StartsWith("'"))
{
if (end_address.size() > 1)
{
MarkerDelete(end_address.GetChar(1));
}
}
if (lines >= 2)
{
m_Frame->ShowExMessage(wxString::Format(_("%d fewer lines"), lines));
}
return true;
}
bool wxExEx::MarkerAdd(const wxUniChar& marker, int line)
{
MarkerDelete(marker);
const int lin = (line == -1 ? m_STC->GetCurrentLine(): line);
const int id = m_STC->MarkerAdd(
lin,
m_MarkerSymbol.GetNo());
if (id == -1)
{
wxLogError("Could not add marker: %c to line: %d",
marker, lin);
return false;
}
m_Markers[marker] = id;
return true;
}
void CodeEdit::OnModified(wxStyledTextEvent& event)
{
event.Skip();
int linesAdded = event.GetLinesAdded();
// If we're inserting new lines before a line, so we need to move the
// markers down. STCntilla doesn't do this automatically for the current line.
if (linesAdded > 0)
{
unsigned int position = event.GetPosition();
unsigned int line = LineFromPosition(position);
unsigned int lineStartPosition = PositionFromLine(line);
if (position == lineStartPosition)
{
int markers = MarkerGet(line);
// Delete all of the markers from the line.
for (int i = 0; i < 32; ++i)
{
MarkerDelete(line, i);
}
// Add the markers back on the new line.
MarkerAddSet(line + linesAdded, markers);
}
}
}
bool wxExEx::Substitute(
const wxString& begin_address,
const wxString& end_address,
const wxString& patt,
const wxString& repl)
{
if (m_STC->GetReadOnly())
{
return false;
}
if (m_STC->HexMode())
{
wxLogStatus(_("Not allowed in hex mode"));
return false;
}
const int begin_line = ToLineNumber(begin_address);
const int end_line = ToLineNumber(end_address);
if (begin_line == 0 || end_line == 0 || end_line < begin_line)
{
return false;
}
if (!MarkerAdd('$', end_line - 1))
{
return false;
}
const wxString pattern = (patt == "~" ? m_Replacement: patt);
wxString replacement(repl);
m_Replacement = replacement;
m_STC->SetSearchFlags(m_SearchFlags);
int nr_replacements = 0;
m_STC->BeginUndoAction();
m_STC->SetTargetStart(m_STC->PositionFromLine(begin_line - 1));
m_STC->SetTargetEnd(m_STC->GetLineEndPosition(MarkerLine('$')));
while (m_STC->SearchInTarget(pattern) > 0)
{
const int target_start = m_STC->GetTargetStart();
if (target_start >= m_STC->GetTargetEnd())
{
break;
}
if (replacement.Contains("&"))
{
wxString target = m_STC->GetTextRange(
m_STC->GetTargetStart(),
m_STC->GetTargetEnd());
if (replacement.StartsWith("\\L"))
{
target.MakeLower();
replacement.Replace("\\L", wxEmptyString);
}
else if (replacement.StartsWith("\\U"))
{
target.MakeUpper();
replacement.Replace("\\U", wxEmptyString);
}
replacement.Replace("&", target);
}
m_STC->MarkTargetChange();
const int length = m_STC->ReplaceTargetRE(replacement); // always RE!
m_STC->SetTargetStart(target_start + length);
m_STC->SetTargetEnd(m_STC->GetLineEndPosition(MarkerLine('$')));
nr_replacements++;
}
m_STC->EndUndoAction();
MarkerDelete('$');
m_Frame->ShowExMessage(wxString::Format(_("Replaced: %d occurrences of: %s"),
nr_replacements, pattern.c_str()));
return true;
}