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/* $Id: QIDialogButtonBox.cpp $ */
/** @file
* VBox Qt GUI - Qt extensions: QIDialogButtonBox class implementation.
*/
/*
* Copyright (C) 2008-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* 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 General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/* Qt includes: */
#include <QBoxLayout>
#include <QEvent>
#include <QPushButton>
/* GUI includes: */
#include "QIDialogButtonBox.h"
#include "UISpecialControls.h"
/* Other VBox includes: */
#include <iprt/assert.h>
QIDialogButtonBox::QIDialogButtonBox(QWidget *pParent /* = 0 */)
: QIWithRetranslateUI<QDialogButtonBox>(pParent)
, m_fDoNotPickDefaultButton(false)
{
}
QIDialogButtonBox::QIDialogButtonBox(Qt::Orientation enmOrientation, QWidget *pParent /* = 0 */)
: QIWithRetranslateUI<QDialogButtonBox>(pParent)
, m_fDoNotPickDefaultButton(false)
{
setOrientation(enmOrientation);
}
QIDialogButtonBox::QIDialogButtonBox(StandardButtons enmButtonTypes, Qt::Orientation enmOrientation, QWidget *pParent)
: QIWithRetranslateUI<QDialogButtonBox>(pParent)
, m_fDoNotPickDefaultButton(false)
{
setOrientation(enmOrientation);
setStandardButtons(enmButtonTypes);
retranslateUi();
}
QPushButton *QIDialogButtonBox::button(StandardButton enmButtonType) const
{
QPushButton *pButton = QDialogButtonBox::button(enmButtonType);
if ( !pButton
&& enmButtonType == QDialogButtonBox::Help)
pButton = m_pHelpButton;
return pButton;
}
QPushButton *QIDialogButtonBox::addButton(const QString &strText, ButtonRole enmRole)
{
QPushButton *pButton = QDialogButtonBox::addButton(strText, enmRole);
retranslateUi();
return pButton;
}
QPushButton *QIDialogButtonBox::addButton(StandardButton enmButtonType)
{
QPushButton *pButton = QDialogButtonBox::addButton(enmButtonType);
retranslateUi();
return pButton;
}
void QIDialogButtonBox::setStandardButtons(StandardButtons enmButtonTypes)
{
QDialogButtonBox::setStandardButtons(enmButtonTypes);
retranslateUi();
}
void QIDialogButtonBox::addExtraWidget(QWidget *pInsertedWidget)
{
QBoxLayout *pLayout = boxLayout();
if (pLayout)
{
int iIndex = findEmptySpace(pLayout);
pLayout->insertWidget(iIndex + 1, pInsertedWidget);
pLayout->insertStretch(iIndex + 2);
}
}
void QIDialogButtonBox::addExtraLayout(QLayout *pInsertedLayout)
{
QBoxLayout *pLayout = boxLayout();
if (pLayout)
{
int iIndex = findEmptySpace(pLayout);
pLayout->insertLayout(iIndex + 1, pInsertedLayout);
pLayout->insertStretch(iIndex + 2);
}
}
void QIDialogButtonBox::setDoNotPickDefaultButton(bool fDoNotPickDefaultButton)
{
m_fDoNotPickDefaultButton = fDoNotPickDefaultButton;
}
void QIDialogButtonBox::retranslateUi()
{
QPushButton *pButton = QDialogButtonBox::button(QDialogButtonBox::Help);
if (pButton)
{
/* Use our very own help button if the user requested for one. */
if (!m_pHelpButton)
m_pHelpButton = new UIHelpButton;
m_pHelpButton->initFrom(pButton);
removeButton(pButton);
QDialogButtonBox::addButton(m_pHelpButton, QDialogButtonBox::HelpRole);
}
}
void QIDialogButtonBox::showEvent(QShowEvent *pEvent)
{
// WORKAROUND:
// QDialogButtonBox has embedded functionality we'd like to avoid.
// It auto-picks default button if non is set, based on button role.
// Qt documentation states that happens in showEvent, so here we are.
// In rare case we'd like to have dialog with no default button at all.
if (m_fDoNotPickDefaultButton)
{
/* Unset all default-buttons in the dialog: */
foreach (QPushButton *pButton, findChildren<QPushButton*>())
if (pButton->isDefault())
pButton->setDefault(false);
}
/* Call to base-class: */
return QIWithRetranslateUI<QDialogButtonBox>::showEvent(pEvent);
}
QBoxLayout *QIDialogButtonBox::boxLayout() const
{
QBoxLayout *pLayout = qobject_cast<QBoxLayout*>(layout());
AssertMsg(RT_VALID_PTR(pLayout), ("Layout of the QDialogButtonBox isn't a box layout."));
return pLayout;
}
int QIDialogButtonBox::findEmptySpace(QBoxLayout *pLayout) const
{
/* Search for the first occurrence of QSpacerItem and return the index. */
int i = 0;
for (; i < pLayout->count(); ++i)
{
QLayoutItem *pItem = pLayout->itemAt(i);
if (pItem && pItem->spacerItem())
break;
}
return i;
}
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