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path: root/src/frontend/displaywindow/bttoolbarpopupaction.cpp
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/*********
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2014 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License version 2.0.
*
**********/

#include "frontend/displaywindow/bttoolbarpopupaction.h"

#include <QAction>
#include <QEvent>
#include <QMenu>
#include <QToolButton>


namespace {

class BtToolButton: public QToolButton {
    public:
        inline BtToolButton(QWidget *parent = 0)
            : QToolButton(parent) {}
    private:
        virtual inline void nextCheckState() {}
};

} // anonymous namespace


// This class provides a toolbar widget that has a icon plus a right side down arrow
// The icon is typically set to a back or forward arrow and the down arrow has a popup
// menu when clicked. The menu is typicallly populated with history actions.
BtToolBarPopupAction::BtToolBarPopupAction(const QIcon& icon, const QString& text, QObject* parent)
        : QWidgetAction(parent), m_icon(icon), m_text(text) {
    setText(text);
    m_menu = new QMenu();
}

BtToolBarPopupAction::~BtToolBarPopupAction() {
    delete m_menu;
}

// return the QMenu object so a popup menu can be constructed
QMenu* BtToolBarPopupAction::popupMenu() const {
    return m_menu;
}

QWidget* BtToolBarPopupAction::createWidget(QWidget* parent) {
    m_button = new BtToolButton(parent);
    setIcon(m_icon);
    setToolTip(m_text);
    m_button->setDefaultAction(this);
    m_button->setPopupMode(QToolButton::MenuButtonPopup);
    m_button->setMenu(m_menu);
    bool ok = connect(m_button, SIGNAL(pressed()), this, SLOT(buttonPressed()));
    Q_ASSERT(ok);;
    return m_button;
}

// Slot to emit a triggered signal when the toolbar button is pressed
void BtToolBarPopupAction::buttonPressed() {
    emit triggered();
}

// Function to catch the Shortcut event and emit the triggered signal
bool BtToolBarPopupAction::event(QEvent *event) {
    if (event->type() == QEvent::Shortcut) {
        emit triggered();
        return true;
    }
    return QWidgetAction::event(event);
}