/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include #include "autocmpledit.hxx" AutocompleteEdit::AutocompleteEdit(std::unique_ptr xEntry) : m_xEntry(std::move(xEntry)) , m_aChangedIdle("fpicker::AutocompleteEdit m_aChangedIdle") , m_nLastCharCode(0) { m_xEntry->connect_changed(LINK(this, AutocompleteEdit, ChangedHdl)); m_xEntry->connect_key_press(LINK(this, AutocompleteEdit, KeyInputHdl)); m_aChangedIdle.SetInvokeHandler(LINK(this, AutocompleteEdit, TryAutoComplete)); } IMPL_LINK(AutocompleteEdit, KeyInputHdl, const KeyEvent&, rKEvt, bool) { m_nLastCharCode = rKEvt.GetKeyCode().GetCode(); return false; } IMPL_LINK_NOARG(AutocompleteEdit, ChangedHdl, weld::Entry&, void) { m_aChangeHdl.Call(*m_xEntry); switch (m_nLastCharCode) { case css::awt::Key::DELETE_WORD_BACKWARD: case css::awt::Key::DELETE_WORD_FORWARD: case css::awt::Key::DELETE_TO_BEGIN_OF_LINE: case css::awt::Key::DELETE_TO_END_OF_LINE: case KEY_BACKSPACE: case KEY_DELETE: m_aChangedIdle.Stop(); break; default: m_aChangedIdle.Start(); //launch this to happen on idle after cursor position will have been set break; } } void AutocompleteEdit::AddEntry( const OUString& rEntry ) { m_aEntries.push_back( rEntry ); } void AutocompleteEdit::ClearEntries() { m_aEntries.clear(); m_aMatching.clear(); } IMPL_LINK_NOARG(AutocompleteEdit, TryAutoComplete, Timer *, void) { OUString aCurText = m_xEntry->get_text(); int nStartPos, nEndPos; m_xEntry->get_selection_bounds(nStartPos, nEndPos); if (std::max(nStartPos, nEndPos) != aCurText.getLength()) return; auto nLen = std::min(nStartPos, nEndPos); aCurText = aCurText.copy( 0, nLen ); if( aCurText.isEmpty() ) return; if( !m_aEntries.empty() ) { if( Match( aCurText ) ) { m_xEntry->set_text(m_aMatching[0]); auto nNewLen = m_aMatching[0].getLength(); m_xEntry->select_region(nLen, nNewLen); } } } bool AutocompleteEdit::Match( std::u16string_view rText ) { bool bRet = false; m_aMatching.clear(); for(const OUString & rEntry : m_aEntries) { if( rEntry.startsWithIgnoreAsciiCase( rText ) ) { m_aMatching.push_back( rEntry ); bRet = true; } } return bRet; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */