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lxqt-panel-packaging/panel/popupmenu.cpp

124 lines
3.5 KiB

/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXDE-Qt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2010-2012 Razor team
* Authors:
* Alexander Sokoloff <sokoloff.a@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 "popupmenu.h"
#include <QWidgetAction>
#include <QToolButton>
#include <QEvent>
#include <QKeyEvent>
static const char POPUPMENU_TITLE[] = "POPUP_MENU_TITLE_OBJECT_NAME";
/************************************************
************************************************/
QAction* PopupMenu::addTitle(const QIcon &icon, const QString &text)
{
QAction *buttonAction = new QAction(this);
QFont font = buttonAction->font();
font.setBold(true);
buttonAction->setText(QString(text).replace("&", "&&"));
buttonAction->setFont(font);
buttonAction->setIcon(icon);
QWidgetAction *action = new QWidgetAction(this);
action->setObjectName(POPUPMENU_TITLE);
QToolButton *titleButton = new QToolButton(this);
titleButton->installEventFilter(this); // prevent clicks on the title of the menu
titleButton->setDefaultAction(buttonAction);
titleButton->setDown(true); // prevent hover style changes in some styles
titleButton->setCheckable(true);
titleButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
action->setDefaultWidget(titleButton);
addAction(action);
return action;
}
/************************************************
************************************************/
QAction* PopupMenu::addTitle(const QString &text)
{
return addTitle(QIcon(), text);
}
/************************************************
************************************************/
bool PopupMenu::eventFilter(QObject *object, QEvent *event)
{
Q_UNUSED(object);
if (event->type() == QEvent::Paint ||
event->type() == QEvent::KeyPress ||
event->type() == QEvent::KeyRelease
)
{
return false;
}
event->accept();
return true;
}
/************************************************
************************************************/
void PopupMenu::keyPressEvent(QKeyEvent* e)
{
if (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)
{
QMenu::keyPressEvent(e);
QWidgetAction *action = qobject_cast<QWidgetAction*>(this->activeAction());
QWidgetAction *firstAction = action;
while (action && action->objectName() == POPUPMENU_TITLE)
{
this->keyPressEvent(e);
action = qobject_cast<QWidgetAction*>(this->activeAction());
if (firstAction == action) // we looped and only found titles
{
this->setActiveAction(0);
break;
}
}
return;
}
QMenu::keyPressEvent(e);
}