source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/extensions/QIRichToolButton.cpp@ 74942

/* $Id: QIRichToolButton.cpp 71900 2018-04-18 14:40:43Z vboxsync $ */
/** @file
 * VBox Qt GUI - Qt extensions: QIRichToolButton class declaration.
 */

/*
 * Copyright (C) 2006-2018 Oracle Corporation
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 */

#ifdef VBOX_WITH_PRECOMPILED_HEADERS
# include <precomp.h>
#else  /* !VBOX_WITH_PRECOMPILED_HEADERS */

/* Qt includes: */
# include <QHBoxLayout>
# include <QKeyEvent>
# include <QLabel>
# include <QStyleOptionFocusRect>
# include <QStylePainter>

/* GUI includes: */
# include "QIRichToolButton.h"
# include "QIToolButton.h"

/* Other VBox includes: */
# include "iprt/assert.h"

#endif /* !VBOX_WITH_PRECOMPILED_HEADERS */


QIRichToolButton::QIRichToolButton(QWidget *pParent)
    : QWidget(pParent)
    , m_pButton(0)
    , m_pLabel(0)
{
    /* Prepare: */
    prepare();
}

void QIRichToolButton::setIconSize(const QSize &iconSize)
{
    m_pButton->setIconSize(iconSize);
}

void QIRichToolButton::setIcon(const QIcon &icon)
{
    m_pButton->setIcon(icon);
}

void QIRichToolButton::animateClick()
{
    m_pButton->animateClick();
}

void QIRichToolButton::setText(const QString &strText)
{
    m_pLabel->setText(strText);
}

void QIRichToolButton::paintEvent(QPaintEvent *pEvent)
{
    /* Draw focus around whole button if focused: */
    if (hasFocus())
    {
        QStylePainter painter(this);
        QStyleOptionFocusRect option;
        option.initFrom(this);
        option.rect = geometry();
        painter.drawPrimitive(QStyle::PE_FrameFocusRect, option);
    }
    /* Call to base-class: */
    QWidget::paintEvent(pEvent);
}

void QIRichToolButton::keyPressEvent(QKeyEvent *pEvent)
{
    /* Handle different keys: */
    switch (pEvent->key())
    {
        /* Animate-click for the Space key: */
        case Qt::Key_Space: return animateClick();
        default: break;
    }
    /* Call to base-class: */
    QWidget::keyPressEvent(pEvent);
}

void QIRichToolButton::mousePressEvent(QMouseEvent *pEvent)
{
    NOREF(pEvent);
    /* Animate-click: */
    animateClick();
}

void QIRichToolButton::prepare()
{
    /* Enable string focus: */
    setFocusPolicy(Qt::StrongFocus);

    /* Create main-layout: */
    QHBoxLayout *pMainLayout = new QHBoxLayout(this);
    AssertPtrReturnVoid(pMainLayout);
    {
        /* Configure main-layout: */
        pMainLayout->setContentsMargins(0, 0, 0, 0);
        pMainLayout->setSpacing(0);
        /* Create tool-button: */
        m_pButton = new QIToolButton;
        AssertPtrReturnVoid(m_pButton);
        {
            /* Configure tool-button: */
            m_pButton->removeBorder();
            m_pButton->setFocusPolicy(Qt::NoFocus);
            connect(m_pButton, &QIToolButton::clicked, this, &QIRichToolButton::sltButtonClicked);
            connect(m_pButton, &QIToolButton::clicked, this, &QIRichToolButton::sigClicked);
            /* Add tool-button into main-layout: */
            pMainLayout->addWidget(m_pButton);
        }
        /* Create text-label: */
        m_pLabel = new QLabel;
        AssertPtrReturnVoid(m_pLabel);
        {
            /* Configure text-label: */
            m_pLabel->setBuddy(m_pButton);
            m_pLabel->setStyleSheet("QLabel {padding: 2px 0px 2px 0px;}");
            /* Add text-label into main-layout: */
            pMainLayout->addWidget(m_pLabel);
        }
    }
}