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lxqt-panel-packaging/plugin-kbindicator/lxqtkbindicator.cpp

147 lines
4.3 KiB

/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2012 Razor team
* Authors:
* Kuzma Shapran <kuzma.shapran@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "lxqtkbindicator.h"
#include <QApplication>
#include <QLabel>
#include <QLayout>
#include <QTimer>
LxQtKbIndicator::LxQtKbIndicator(const ILxQtPanelPluginStartupInfo &startupInfo):
QObject(),
ILxQtPanelPlugin(startupInfo),
mContent(new QWidget())
{
modifierInfo = new KModifierKeyInfo(this);
connect(modifierInfo, SIGNAL(keyLocked(Qt::Key, bool)), this, SLOT(modifierStateChanged(Qt::Key, bool)));
QHBoxLayout *layout = new QHBoxLayout(mContent);
mContent->setLayout(layout);
mCapsLock = new QLabel("C");
mCapsLock->setObjectName("CapsLockLabel");
mCapsLock->setAlignment(Qt::AlignCenter);
mCapsLock->installEventFilter(this);
mContent->layout()->addWidget(mCapsLock);
mNumLock = new QLabel("N");
mNumLock->setObjectName("NumLockLabel");
mNumLock->setAlignment(Qt::AlignCenter);
mNumLock->installEventFilter(this);
mContent->layout()->addWidget(mNumLock);
mScrollLock = new QLabel("S");
mScrollLock->setObjectName("ScrollLockLabel");
mScrollLock->setAlignment(Qt::AlignCenter);
mScrollLock->installEventFilter(this);
mContent->layout()->addWidget(mScrollLock);
QTimer::singleShot(0, this, SLOT(delayedInit()));
}
LxQtKbIndicator::~LxQtKbIndicator()
{
delete mContent;
}
void LxQtKbIndicator::delayedInit()
{
settingsChanged();
realign();
}
QWidget *LxQtKbIndicator::widget()
{
return mContent;
}
void LxQtKbIndicator::settingsChanged()
{
mShowCapsLock = settings()->value("show_caps_lock", true).toBool();
mShowNumLock = settings()->value("show_num_lock", true).toBool();
mShowScrollLock = settings()->value("show_scroll_lock", true).toBool();
mCapsLock->setVisible(mShowCapsLock);
mNumLock->setVisible(mShowNumLock);
mScrollLock->setVisible(mShowScrollLock);
mCapsLock->setEnabled(modifierInfo->isKeyLocked(Qt::Key_CapsLock));
mNumLock->setEnabled(modifierInfo->isKeyLocked(Qt::Key_NumLock));
mScrollLock->setEnabled(modifierInfo->isKeyLocked(Qt::Key_ScrollLock));
}
QDialog *LxQtKbIndicator::configureDialog()
{
return new LxQtKbIndicatorConfiguration(settings());
}
void LxQtKbIndicator::realign()
{
if (panel()->isHorizontal())
mContent->setMinimumSize(0, panel()->iconSize());
else
mContent->setMinimumSize(panel()->iconSize(), 0);
}
void LxQtKbIndicator::modifierStateChanged(Qt::Key key, bool active)
{
switch (key)
{
case Qt::Key_CapsLock:
mCapsLock->setEnabled(active);
break;
case Qt::Key_NumLock:
mNumLock->setEnabled(active);
break;
case Qt::Key_ScrollLock:
mScrollLock->setEnabled(active);
break;
default:
break;
}
}
bool LxQtKbIndicator::eventFilter(QObject *object, QEvent *event)
{
if (event->type() == QEvent::QEvent::MouseButtonRelease)
{
if (object == mCapsLock)
modifierInfo->setKeyLocked(Qt::Key_CapsLock, !modifierInfo->isKeyLocked(Qt::Key_CapsLock));
else if (object == mNumLock)
modifierInfo->setKeyLocked(Qt::Key_NumLock, !modifierInfo->isKeyLocked(Qt::Key_NumLock));
else if (object == mScrollLock)
modifierInfo->setKeyLocked(Qt::Key_ScrollLock, !modifierInfo->isKeyLocked(Qt::Key_ScrollLock));
return true;
}
return QObject::eventFilter(object, event);
}