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/* $Id$ */
/** @file
* VBox Qt GUI - UIPopupPaneMessage class implementation.
*/
/*
* Copyright (C) 2013-2022 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 <QLabel>
#include <QCheckBox>
/* GUI includes: */
#include "UIAnimationFramework.h"
#include "UIPopupPane.h"
#include "UIPopupPaneMessage.h"
/* Other VBox includes: */
#include <iprt/assert.h>
UIPopupPaneMessage::UIPopupPaneMessage(QWidget *pParent, const QString &strText, bool fFocused)
: QWidget(pParent)
, m_iLayoutMargin(0)
, m_iLayoutSpacing(10)
, m_strText(strText)
, m_pLabel(0)
, m_iDesiredLabelWidth(-1)
, m_fFocused(fFocused)
, m_pAnimation(0)
{
/* Prepare: */
prepare();
}
void UIPopupPaneMessage::setText(const QString &strText)
{
/* Make sure the text has changed: */
if (m_strText == strText)
return;
/* Fetch new text: */
m_strText = strText;
m_pLabel->setText(m_strText);
/* Update size-hint: */
updateSizeHint();
}
QSize UIPopupPaneMessage::minimumSizeHint() const
{
/* Check if desired-width set: */
if (m_iDesiredLabelWidth >= 0)
/* Dependent size-hint: */
return m_minimumSizeHint;
/* Golden-rule size-hint by default: */
return QWidget::minimumSizeHint();
}
void UIPopupPaneMessage::setMinimumSizeHint(const QSize &minimumSizeHint)
{
/* Make sure the size-hint has changed: */
if (m_minimumSizeHint == minimumSizeHint)
return;
/* Fetch new size-hint: */
m_minimumSizeHint = minimumSizeHint;
/* Notify parent popup-pane: */
emit sigSizeHintChanged();
}
void UIPopupPaneMessage::layoutContent()
{
/* Variables: */
const int iWidth = width();
const int iHeight = height();
const int iLabelWidth = m_labelSizeHint.width();
const int iLabelHeight = m_labelSizeHint.height();
/* Label: */
m_pLabel->move(m_iLayoutMargin, m_iLayoutMargin);
m_pLabel->resize(qMin(iWidth, iLabelWidth), qMin(iHeight, iLabelHeight));
}
void UIPopupPaneMessage::sltHandleProposalForWidth(int iWidth)
{
/* Make sure the desired-width has changed: */
if (m_iDesiredLabelWidth == iWidth)
return;
/* Fetch new desired-width: */
m_iDesiredLabelWidth = iWidth;
/* Update size-hint: */
updateSizeHint();
}
void UIPopupPaneMessage::sltFocusEnter()
{
/* Ignore if already focused: */
if (m_fFocused)
return;
/* Update focus state: */
m_fFocused = true;
/* Notify listeners: */
emit sigFocusEnter();
}
void UIPopupPaneMessage::sltFocusLeave()
{
/* Ignore if already unfocused: */
if (!m_fFocused)
return;
/* Update focus state: */
m_fFocused = false;
/* Notify listeners: */
emit sigFocusLeave();
}
void UIPopupPaneMessage::prepare()
{
/* Prepare content: */
prepareContent();
/* Prepare animation: */
prepareAnimation();
/* Update size-hint: */
updateSizeHint();
}
void UIPopupPaneMessage::prepareContent()
{
/* Create label: */
m_pLabel = new QLabel(this);
if (m_pLabel)
{
/* Configure label: */
m_pLabel->setFont(tuneFont(m_pLabel->font()));
m_pLabel->setWordWrap(true);
m_pLabel->setFocusPolicy(Qt::NoFocus);
m_pLabel->setText(m_strText);
}
}
void UIPopupPaneMessage::prepareAnimation()
{
UIPopupPane *pPopupPane = qobject_cast<UIPopupPane*>(parent());
AssertReturnVoid(pPopupPane);
{
/* Propagate parent signals: */
connect(pPopupPane, &UIPopupPane::sigFocusEnter, this, &UIPopupPaneMessage::sltFocusEnter);
connect(pPopupPane, &UIPopupPane::sigFocusLeave, this, &UIPopupPaneMessage::sltFocusLeave);
}
/* Install geometry animation for 'minimumSizeHint' property: */
m_pAnimation = UIAnimation::installPropertyAnimation(this, "minimumSizeHint", "collapsedSizeHint", "expandedSizeHint",
SIGNAL(sigFocusEnter()), SIGNAL(sigFocusLeave()), m_fFocused);
}
void UIPopupPaneMessage::updateSizeHint()
{
/* Recalculate collapsed size-hint: */
{
/* Collapsed size-hint contains only one-text-line label: */
QFontMetrics fm(m_pLabel->font(), m_pLabel);
m_collapsedSizeHint = QSize(m_iDesiredLabelWidth, fm.height());
}
/* Recalculate expanded size-hint: */
{
/* Recalculate label size-hint: */
m_labelSizeHint = QSize(m_iDesiredLabelWidth, m_pLabel->heightForWidth(m_iDesiredLabelWidth));
/* Expanded size-hint contains full-size label: */
m_expandedSizeHint = m_labelSizeHint;
}
/* Update current size-hint: */
m_minimumSizeHint = m_fFocused ? m_expandedSizeHint : m_collapsedSizeHint;
/* Update animation: */
if (m_pAnimation)
m_pAnimation->update();
/* Notify parent popup-pane: */
emit sigSizeHintChanged();
}
/* static */
QFont UIPopupPaneMessage::tuneFont(QFont font)
{
#if defined(VBOX_WS_MAC)
font.setPointSize(font.pointSize() - 2);
#elif defined(VBOX_WS_X11)
font.setPointSize(font.pointSize() - 1);
#endif
return font;
}
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