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Viewing changes to librecad/src/ui/qg_commandedit.cpp

  • Committer: Scott Howard
  • Date: 2014-02-21 19:07:55 UTC
  • Revision ID: showard@debian.org-20140221190755-csjax9wb146hgdq4
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librecad/src/ui/qg_commandedit.cpp
 
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/****************************************************************************
 
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**
 
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** This file is part of the LibreCAD project, a 2D CAD program
 
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**
 
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
 
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
 
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**
 
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**
 
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** This file may be distributed and/or modified under the terms of the
 
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** GNU General Public License version 2 as published by the Free Software 
 
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** Foundation and appearing in the file gpl-2.0.txt included in the
 
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** packaging of this file.
 
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**
 
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** This program is distributed in the hope that it will be useful,
 
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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** GNU General Public License for more details.
 
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** 
 
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** You should have received a copy of the GNU General Public License
 
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** along with this program; if not, write to the Free Software
 
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
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**
 
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** This copyright notice MUST APPEAR in all copies of the script!  
 
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**
 
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**********************************************************************/
 
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#include "qg_commandedit.h"
 
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/**
 
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 * Default Constructor. You must call init manually if you choose
 
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 * to use this constructor.
 
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 */
 
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QG_CommandEdit::QG_CommandEdit(QWidget* parent)
 
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        : QLineEdit(parent) {}
 
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/**
 
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 * Destructor
 
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 */
 
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QG_CommandEdit::~QG_CommandEdit() {
 
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}
 
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/**
 
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 * Bypass for key press events from the tab key.
 
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 */
 
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bool QG_CommandEdit::event(QEvent* e) {
 
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        if (e->type()==QEvent::KeyPress) {
 
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                QKeyEvent* k = (QKeyEvent*)e;
 
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                if (k->key()==Qt::Key_Tab) {
 
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                        emit tabPressed();
 
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                        return true;
 
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        }
 
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        }
 
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        return QLineEdit::event(e);
 
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}
 
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/**
 
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 * History (arrow key up/down) support, tab.
 
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 */
 
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void QG_CommandEdit::keyPressEvent(QKeyEvent* e) {
 
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        switch (e->key()) {
 
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            case Qt::Key_Up:
 
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                    if (!historyList.isEmpty() && it>historyList.begin()) {
 
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                            it--;
 
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                            setText(*it);
 
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                    }
 
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                    break;
 
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            case Qt::Key_Down:
 
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                    if (!historyList.isEmpty() && it<historyList.end() ) {
 
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                            it++;
 
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                            if (it<historyList.end()) {
 
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                                    setText(*it);
 
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                            }
 
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                            else {
 
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                                    setText("");
 
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                            }
 
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                    }
 
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                    break;
 
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            case Qt::Key_Return:
 
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                    historyList.append(text());
 
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                    it = historyList.end();
 
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                    if(text().compare(tr("clear"), Qt::CaseInsensitive) == 0){
 
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                        setText("");
 
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                        emit(clearCommandsHistory());
 
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                    } else {
 
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                        QLineEdit::keyPressEvent(e);
 
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                    }
 
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                    break;
 
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            case Qt::Key_Escape:
 
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                    if (text().isEmpty()) {
 
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                            emit escape();
 
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                    }
 
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                    else {
 
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                            setText("");
 
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                    }
 
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                    break;
 
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            default:
 
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                    QLineEdit::keyPressEvent(e);
 
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                    break;
 
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        }
 
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}
 
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void QG_CommandEdit::focusInEvent(QFocusEvent *e) {
 
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        emit focusIn();
 
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        QLineEdit::focusInEvent(e);
 
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}
 
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void QG_CommandEdit::focusOutEvent(QFocusEvent *e) {
 
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        emit focusOut();
 
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        QLineEdit::focusOutEvent(e);
 
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}
 
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