plugins/artistictextshape/SelectTextStrategy.cpp

0001 /* This file is part of the KDE project
0002  * Copyright (C) 2011 Jan Hambrecht <jaham@gmx.net>
0003  *
0004  * This library is free software; you can redistribute it and/or
0005  * modify it under the terms of the GNU Library General Public
0006  * License as published by the Free Software Foundation; either
0007  * version 2 of the License, or (at your option) any later version.
0008  *
0009  * This library is distributed in the hope that it will be useful,
0010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0012  * Library General Public License for more details.
0013  *
0014  * You should have received a copy of the GNU Library General Public License
0015  * along with this library; see the file COPYING.LIB.  If not, write to
0016  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0017  * Boston, MA 02110-1301, USA.
0018  */
0019
0020 #include "SelectTextStrategy.h"
0021 #include "ArtisticTextTool.h"
0022 #include "ArtisticTextToolSelection.h"
0023
0024 SelectTextStrategy::SelectTextStrategy(ArtisticTextTool *textTool, int cursor)
0025     : KoInteractionStrategy(textTool), m_selection(0), m_oldCursor(cursor), m_newCursor(cursor)
0026 {
0027     m_selection = dynamic_cast<ArtisticTextToolSelection*>(textTool->selection());
0028     Q_ASSERT(m_selection);
0029 }
0030
0031 SelectTextStrategy::~SelectTextStrategy()
0032 {
0033
0034 }
0035
0036 void SelectTextStrategy::handleMouseMove(const QPointF &mouseLocation, Qt::KeyboardModifiers /*modifiers*/)
0037 {
0038     ArtisticTextTool *textTool = dynamic_cast<ArtisticTextTool*>(tool());
0039     if (!textTool)
0040        return;
0041
0042     m_newCursor = textTool->cursorFromMousePosition(mouseLocation);
0043     if (m_newCursor >= 0)
0044         m_selection->selectText(qMin(m_oldCursor, m_newCursor), qMax(m_oldCursor, m_newCursor));
0045 }
0046
0047 KUndo2Command *SelectTextStrategy::createCommand()
0048 {
0049     return 0;
0050 }
0051
0052 void SelectTextStrategy::finishInteraction(Qt::KeyboardModifiers /*modifiers*/)
0053 {
0054     ArtisticTextTool *textTool = dynamic_cast<ArtisticTextTool*>(tool());
0055     if (!textTool)
0056        return;
0057
0058     if (m_newCursor >= 0)
0059         textTool->setTextCursor(m_selection->selectedShape(), m_newCursor);
0060 }