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commandlinewidget.cpp
65 lines (55 loc) · 1.87 KB
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commandlinewidget.cpp
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/** @file commandlinewidget.cpp Widget for command line input.
*
* @authors Copyright © 2013 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. This program is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details. You should have received a copy of the GNU
* General Public License along with this program; if not, see:
* http://www.gnu.org/licenses</small>
*/
#include "de/shell/CommandLineWidget"
#include "de/shell/TextRootWidget"
#include "de/shell/KeyEvent"
#include "de/shell/EditorHistory"
#include <de/String>
namespace de {
namespace shell {
DENG2_PIMPL(CommandLineWidget)
{
EditorHistory history;
Instance(Public *i) : Base(i), history(i) {}
};
CommandLineWidget::CommandLineWidget(String const &name)
: LineEditWidget(name), d(new Instance(this))
{
setPrompt("> ");
}
bool CommandLineWidget::handleEvent(Event const &event)
{
// There are only key press events.
DENG2_ASSERT(event.type() == Event::KeyPress);
KeyEvent const &ev = event.as<KeyEvent>();
// Override the editor's normal Enter handling.
if(ev.key() == Qt::Key_Enter)
{
String const entered = d->history.enter();
emit commandEntered(entered);
return true;
}
if(LineEditWidget::handleEvent(event))
{
return true;
}
// Final fallback: history navigation.
return d->history.handleControlKey(ev.key());
}
} // namespace shell
} // namespace de