/* TextEditor::findPrev
* Finds the previous 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::findPrev(string find, int flags)
{
// Check search string
if (find.IsEmpty())
return false;
// Get current selection
int sel_start = GetSelectionStart();
int sel_end = GetSelectionEnd();
// Search back from the start of the current selection
SetSelection(sel_start, sel_start);
SearchAnchor();
int found = SearchPrev(flags, find);
if (found < 0)
{
// Not found, loop back to end
SetSelection(GetTextLength() - 1, GetTextLength() - 1);
SearchAnchor();
found = SearchPrev(flags, find);
if (found < 0)
{
// No match found in entire text, reset selection
SetSelection(sel_start, sel_end);
return false;
}
}
// Set caret to the end of the matching text
// (it defaults to the start for some dumb reason)
// and scroll to the selection
SetSelection(found, found + find.length());
EnsureCaretVisible();
return true;
}
bool Edit::FindText(int &found_start, int &found_end, bool find_next)
{
const int flags = m_FindData.GetFlags();
const bool find_down = (flags & wxFR_DOWN) ? true : false;
const wxString find_string = m_FindData.GetFindString();
found_start = found_end = -1;
if (find_next) {
GotoPos(find_down ? GetCurrentPos() : GetCurrentPos() - find_string.size());
}
SearchAnchor();
// search up/down
found_start = find_down ? SearchNext(flags, find_string) : SearchPrev(flags, find_string);
// found
if (found_start > -1) {
found_end = found_start + find_string.size();
GotoPos(found_start);
return true;
}
return false;
}
