/* 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;
}
/* TextEditor::replaceAll
* Replaces all occurrences of [find] in the text with [replace].
* Returns the number of occurrences replaced
*******************************************************************/
int TextEditor::replaceAll(string find, string replace)
{
// Check search string
if (find.IsEmpty())
return false;
// Init search target to entire text
SetTargetStart(0);
SetTargetEnd(GetTextLength());
// Loop of death
int replaced = 0;
while (1)
{
if (SearchInTarget(find) < 0)
break; // No matches, finished
else
{
// Replace text & increment counter
ReplaceTarget(replace);
replaced++;
// Continue search from end of replaced text to end of text
SetTargetStart(GetTargetEnd());
SetTargetEnd(GetTextLength());
}
}
// Return number of instances replaced
return replaced;
}
/* 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::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();
}
void Edit::OnFindReplaceDialog(wxFindDialogEvent& event)
{
const wxEventType type = event.GetEventType();
const wxString find_string = m_FindData.GetFindString();
int found_start, found_end;
if (type == wxEVT_FIND || type == wxEVT_FIND_NEXT) {
// search
if (FindText(found_start, found_end, type == wxEVT_FIND_NEXT)) {
SetSelection(found_start, found_end);
}
else {
wxMessageDialog dialog(this, wxT("Cannot find the text \"" + find_string + "\" from current position"), wxT("Find"));
dialog.ShowModal();
}
}
else if (type == wxEVT_FIND_REPLACE) {
ReplaceText(find_string);
}
else if (type == wxEVT_FIND_REPLACE_ALL) {
const wxString replace_string = m_FindData.GetReplaceString();
int start_index = 0;
bool found = true;
int found_count = 0;
do {
// set search area
SetTargetStart(start_index); SetTargetEnd(GetLastPosition());
// search and replace
found_start = SearchInTarget(find_string);
if (found_start > -1) {
found_end = found_start + find_string.size();
SetTargetStart(found_start);
SetTargetEnd(found_end);
ReplaceTarget(replace_string);
start_index = found_start + replace_string.size();
found_count++;
}
else {
found = false;
}
}
while (found);
const wxString message = wxString::Format(wxT("%d occurrence(s) of \"%s\" were replaced with \"%s\"."),
found_count, find_string, replace_string);
wxMessageDialog replace_dialog(this, message, wxT("Replaced Text"));
replace_dialog.ShowModal();
}
}
