/* TextEditor::onUpdateUI
* Called when anything is modified in the text editor (cursor
* position, styling, text, etc)
*******************************************************************/
void TextEditor::onUpdateUI(wxStyledTextEvent& e)
{
// Check for brace match
if (txed_brace_match)
checkBraceMatch();
// If a calltip is open, update it
if (call_tip->IsShown())
updateCalltip();
// Do word matching if appropriate
if (txed_match_cursor_word && language)
{
int word_start = WordStartPosition(GetCurrentPos(), true);
int word_end = WordEndPosition(GetCurrentPos(), true);
string current_word = GetTextRange(word_start, word_end);
if (!current_word.IsEmpty() && HasFocus())
{
if (current_word != prev_word_match)
{
prev_word_match = current_word;
SetIndicatorCurrent(8);
IndicatorClearRange(0, GetTextLength());
SetTargetStart(0);
SetTargetEnd(GetTextLength());
SetSearchFlags(0);
while (SearchInTarget(current_word) != -1)
{
IndicatorFillRange(GetTargetStart(), GetTargetEnd() - GetTargetStart());
SetTargetStart(GetTargetEnd());
SetTargetEnd(GetTextLength());
}
}
}
else
{
SetIndicatorCurrent(8);
IndicatorClearRange(0, GetTextLength());
prev_word_match = "";
}
}
// Hilight current line
MarkerDeleteAll(1);
MarkerDeleteAll(2);
if (txed_hilight_current_line > 0 && HasFocus())
{
int line = LineFromPosition(GetCurrentPos());
MarkerAdd(line, 1);
if (txed_hilight_current_line > 1)
MarkerAdd(line, 2);
}
e.Skip();
}
/* TextEditor::replaceCurrent
* Replaces the currently selected occurrence of [find] with
* [replace], then selects and scrolls to the next occurrence of
* [find] in the text. Returns false if [find] is invalid or the
* current selection does not match it, true otherwise
*******************************************************************/
bool TextEditor::replaceCurrent(string find, string replace)
{
// Check search string
if (find.IsEmpty())
return false;
// Check that we've done a find previously
// (by searching for the find string within the current selection)
if (GetSelectedText().Length() != find.Length())
return false;
SetTargetStart(GetSelectionStart());
SetTargetEnd(GetSelectionEnd());
if (SearchInTarget(find) < 0)
return false;
// Do the replace
ReplaceTarget(replace);
// Update selection
SetSelection(GetTargetStart(), GetTargetEnd());
// Do find next
findNext(find);
return true;
}
/* TextEditor::findNext
* Finds the next occurrence of the [find] after the caret position,
* selects it and scrolls to it if needed. Returns false if the
* [find] was invalid or no match was found, true otherwise
*******************************************************************/
bool TextEditor::findNext(string find)
{
// Check search string
if (find.IsEmpty())
return false;
// Setup target range
SetTargetEnd(GetTextLength());
SetTargetStart(GetSelectionEnd());
// Search within current target range
if (SearchInTarget(find) < 0)
{
// None found, search again from start
SetTargetStart(0);
SetTargetEnd(GetTextLength());
if (SearchInTarget(find) < 0)
{
// No matches found in entire text
return false;
}
}
// Select matched text
SetSelection(GetTargetStart(), GetTargetEnd());
// Scroll to selection
EnsureCaretVisible();
return true;
}
void CodeEdit::CommentSelection(const wxString& comment)
{
if (GetSelectionStart() < GetSelectionEnd())
{
int startLine = LineFromPosition(GetSelectionStart());
int endLine = LineFromPosition(GetSelectionEnd());
// Find the minimum indentation level for all of the selected lines.
int minIndentation = INT_MAX;
for (int i = startLine; i <= endLine; ++i)
{
wxString lineText = GetLine(i);
int firstNonWhitespace = GetFirstNonWhitespace(lineText);
if (firstNonWhitespace != -1)
{
minIndentation = wxMin(firstNonWhitespace, minIndentation);
}
}
// Insert the comment string on each non-blank line.
wxString result;
for (int i = startLine; i <= endLine; ++i)
{
wxString lineText = GetLine(i);
if (GetFirstNonWhitespace(lineText) != -1)
{
lineText.insert(minIndentation, comment);
}
result += lineText;
}
SetTargetStart(PositionFromLine(startLine));
SetTargetEnd(PositionFromLine(endLine + 1));
ReplaceTarget(result);
// Select the replaced text.
SetSelectionStart(GetTargetStart());
SetSelectionEnd(GetTargetEnd() - 1);
}
}
void CodeEdit::UncommentSelection(const wxString& commentString)
{
if (GetSelectionStart() < GetSelectionEnd())
{
int startLine = LineFromPosition(GetSelectionStart());
int endLine = LineFromPosition(GetSelectionEnd());
wxString result;
for (int i = startLine; i <= endLine; ++i)
{
wxString lineText = GetLine(i);
unsigned int c = GetFirstNonWhitespace(lineText);
if (c != -1 && lineText.compare(c, commentString.Length(), commentString) == 0)
{
lineText.erase(c, commentString.Length());
}
result += lineText;
}
SetTargetStart(PositionFromLine(startLine));
SetTargetEnd(PositionFromLine(endLine + 1));
ReplaceTarget(result);
// Select the replaced text.
SetSelectionStart(GetTargetStart());
SetSelectionEnd(GetTargetEnd() - 1);
}
}