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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**************************************************************************/
#include "proxyaction.h"
using namespace Utils;
ProxyAction::ProxyAction(QObject *parent) :
QAction(parent),
m_action(0),
m_attributes(0),
m_showShortcut(false),
m_block(false)
{
connect(this, SIGNAL(changed()), this, SLOT(updateToolTipWithKeySequence()));
updateState();
}
void ProxyAction::setAction(QAction *action)
{
if (m_action == action)
return;
disconnectAction();
m_action = action;
connectAction();
updateState();
}
void ProxyAction::updateState()
{
if (m_action) {
update(m_action, false);
} else {
// no active/delegate action, "visible" action is not enabled/visible
if (hasAttribute(Hide))
setVisible(false);
setEnabled(false);
}
}
void ProxyAction::disconnectAction()
{
if (m_action) {
disconnect(m_action, SIGNAL(changed()), this, SLOT(actionChanged()));
disconnect(this, SIGNAL(triggered(bool)), m_action, SIGNAL(triggered(bool)));
disconnect(this, SIGNAL(toggled(bool)), m_action, SLOT(setChecked(bool)));
}
}
void ProxyAction::connectAction()
{
if (m_action) {
connect(m_action, SIGNAL(changed()), this, SLOT(actionChanged()));
connect(this, SIGNAL(triggered(bool)), m_action, SIGNAL(triggered(bool)));
connect(this, SIGNAL(toggled(bool)), m_action, SLOT(setChecked(bool)));
}
}
QAction *ProxyAction::action() const
{
return m_action;
}
void ProxyAction::setAttribute(ProxyAction::Attribute attribute)
{
m_attributes |= attribute;
updateState();
}
void ProxyAction::removeAttribute(ProxyAction::Attribute attribute)
{
m_attributes &= ~attribute;
updateState();
}
bool ProxyAction::hasAttribute(ProxyAction::Attribute attribute)
{
return (m_attributes & attribute);
}
void ProxyAction::actionChanged()
{
update(m_action, false);
}
void ProxyAction::initialize(QAction *action)
{
update(action, true);
}
void ProxyAction::update(QAction *action, bool initialize)
{
if (!action)
return;
disconnectAction();
disconnect(this, SIGNAL(changed()), this, SLOT(updateToolTipWithKeySequence()));
if (initialize)
setSeparator(action->isSeparator());
if (hasAttribute(UpdateIcon) || initialize) {
setIcon(action->icon());
setIconText(action->iconText());
setIconVisibleInMenu(action->isIconVisibleInMenu());
}
if (hasAttribute(UpdateText) || initialize) {
setText(action->text());
m_toolTip = action->toolTip();
updateToolTipWithKeySequence();
setStatusTip(action->statusTip());
setWhatsThis(action->whatsThis());
}
setCheckable(action->isCheckable());
if (!initialize) {
setChecked(action->isChecked());
setEnabled(action->isEnabled());
setVisible(action->isVisible());
}
connectAction();
connect(this, SIGNAL(changed()), this, SLOT(updateToolTipWithKeySequence()));
}
bool ProxyAction::shortcutVisibleInToolTip() const
{
return m_showShortcut;
}
void ProxyAction::setShortcutVisibleInToolTip(bool visible)
{
m_showShortcut = visible;
updateToolTipWithKeySequence();
}
void ProxyAction::updateToolTipWithKeySequence()
{
if (m_block)
return;
m_block = true;
if (!m_showShortcut || shortcut().isEmpty())
setToolTip(m_toolTip);
else
setToolTip(stringWithAppendedShortcut(m_toolTip, shortcut()));
m_block = false;
}
QString ProxyAction::stringWithAppendedShortcut(const QString &str, const QKeySequence &shortcut)
{
return QString::fromLatin1("%1 <span style=\"color: gray; font-size: small\">%2</span>").
arg(str, shortcut.toString(QKeySequence::NativeText));
}
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