/*
 *  Copyright (C) 2016 Damir Porobic <https://github.com/damirporobic>
 *
 * This program 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 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 Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */


#include "CustomToolButton.h"

CustomToolButton::CustomToolButton(QWidget* parent) : QToolButton(parent)
{
    setPopupMode(QToolButton::MenuButtonPopup);
    connect(this, &CustomToolButton::triggered, this, &CustomToolButton::setDefaultAction);
}

//
// Public Functions
//

/*
 * Function used to set main button text, overriding the usual behavior where
 * the text of the selected action is set.
 */
void CustomToolButton::setButtonText(const QString& text)
{
    mButtonText = text;
    refreshText();
}

//
// Public Slots
//

/*
 * Overriding setDefaultAction function to prevent changing of text when a new
 * action is selected, the main text on the button is supposed to stay the same.
 */
void CustomToolButton::setDefaultAction(QAction* action)
{
    QToolButton::setDefaultAction(action);
    refreshText();
}

void CustomToolButton::trigger()
{
    if (defaultAction() != 0) {
        defaultAction()->trigger();
    }
}

void CustomToolButton::refreshText()
{
    QToolButton::setText(mButtonText);
}

CustomMenu::CustomMenu(QWidget* parent) : QMenu(parent)
{
    if (auto p = static_cast<CustomToolButton*>(parent)) {
        connect(this, &CustomMenu::triggered, p, &CustomToolButton::setDefaultAction);
    }
}

void CustomMenu::showEvent(QShowEvent* event)
{
    QMenu::showEvent(event);

    // Workaround for Qt bug where on first time opening the button text is
    // changed to the default action, introduced with Qt5
    if (auto p = static_cast<CustomToolButton*>(parent())) {
        p->refreshText();
    }
}
