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/* $Id$ */
/** @file
* VBox Qt GUI - UIExecutionCapEditor class implementation.
*/
/*
* Copyright (C) 2019-2022 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 <QGridLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QSpinBox>
#include <QVBoxLayout>
/* GUI includes: */
#include "QIAdvancedSlider.h"
#include "UICommon.h"
#include "UIExecutionCapEditor.h"
UIExecutionCapEditor::UIExecutionCapEditor(QWidget *pParent /* = 0 */)
: QIWithRetranslateUI<QWidget>(pParent)
, m_uMinExecCap(1)
, m_uMedExecCap(40)
, m_uMaxExecCap(100)
, m_pLabelExecCap(0)
, m_pSlider(0)
, m_pSpinBox(0)
, m_pLabelExecCapMin(0)
, m_pLabelExecCapMax(0)
{
prepare();
}
int UIExecutionCapEditor::medExecCap() const
{
return (int)m_uMedExecCap;
}
void UIExecutionCapEditor::setValue(int iValue)
{
if (m_pSlider)
m_pSlider->setValue(iValue);
}
int UIExecutionCapEditor::value() const
{
return m_pSlider ? m_pSlider->value() : 0;
}
int UIExecutionCapEditor::minimumLabelHorizontalHint() const
{
return m_pLabelExecCap->minimumSizeHint().width();
}
void UIExecutionCapEditor::setMinimumLayoutIndent(int iIndent)
{
if (m_pLayout)
m_pLayout->setColumnMinimumWidth(0, iIndent);
}
void UIExecutionCapEditor::retranslateUi()
{
if (m_pLabelExecCap)
m_pLabelExecCap->setText(tr("&Execution Cap:"));
const QString strToolTip(tr("Limits the amount of time that each virtual CPU is allowed to run for. "
"Each virtual CPU will be allowed to use up to this percentage of the processing "
"time available on one physical CPU."));
if (m_pSlider)
m_pSlider->setToolTip(strToolTip);
if (m_pSpinBox)
{
m_pSpinBox->setSuffix(QString("%"));
m_pSpinBox->setToolTip(strToolTip);
}
if (m_pLabelExecCapMin)
{
m_pLabelExecCapMin->setText(QString("%1%").arg(m_uMinExecCap));
m_pLabelExecCapMin->setToolTip(tr("Minimum possible execution cap."));
}
if (m_pLabelExecCapMax)
{
m_pLabelExecCapMax->setText(QString("%1%").arg(m_uMaxExecCap));
m_pLabelExecCapMax->setToolTip(tr("Maximum possible virtual CPU count."));
}
}
void UIExecutionCapEditor::sltHandleSliderChange()
{
/* Apply spin-box value keeping it's signals disabled: */
if (m_pSpinBox && m_pSlider)
{
m_pSpinBox->blockSignals(true);
m_pSpinBox->setValue(m_pSlider->value());
m_pSpinBox->blockSignals(false);
}
/* Send signal to listener: */
emit sigValueChanged();
}
void UIExecutionCapEditor::sltHandleSpinBoxChange()
{
/* Apply slider value keeping it's signals disabled: */
if (m_pSpinBox && m_pSlider)
{
m_pSlider->blockSignals(true);
m_pSlider->setValue(m_pSpinBox->value());
m_pSlider->blockSignals(false);
}
/* Send signal to listener: */
emit sigValueChanged();
}
void UIExecutionCapEditor::prepare()
{
/* Create main layout: */
m_pLayout = new QGridLayout(this);
if (m_pLayout)
{
m_pLayout->setContentsMargins(0, 0, 0, 0);
/* Create main label: */
m_pLabelExecCap = new QLabel(this);
if (m_pLabelExecCap)
{
m_pLabelExecCap->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
m_pLayout->addWidget(m_pLabelExecCap, 0, 0);
}
/* Create slider layout: */
QVBoxLayout *pSliderLayout = new QVBoxLayout;
if (pSliderLayout)
{
pSliderLayout->setContentsMargins(0, 0, 0, 0);
/* Create VCPU slider: */
m_pSlider = new QIAdvancedSlider(this);
if (m_pSlider)
{
m_pSlider->setOrientation(Qt::Horizontal);
m_pSlider->setPageStep(10);
m_pSlider->setSingleStep(1);
m_pSlider->setTickInterval(10);
m_pSlider->setMinimum(m_uMinExecCap);
m_pSlider->setMaximum(m_uMaxExecCap);
m_pSlider->setWarningHint(m_uMinExecCap, m_uMedExecCap);
m_pSlider->setOptimalHint(m_uMedExecCap, m_uMaxExecCap);
connect(m_pSlider, &QIAdvancedSlider::valueChanged,
this, &UIExecutionCapEditor::sltHandleSliderChange);
pSliderLayout->addWidget(m_pSlider);
}
/* Create legend layout: */
QHBoxLayout *pLegendLayout = new QHBoxLayout;
if (pLegendLayout)
{
pLegendLayout->setContentsMargins(0, 0, 0, 0);
/* Create min label: */
m_pLabelExecCapMin = new QLabel(this);
if (m_pLabelExecCapMin)
pLegendLayout->addWidget(m_pLabelExecCapMin);
/* Push labels from each other: */
pLegendLayout->addStretch();
/* Create max label: */
m_pLabelExecCapMax = new QLabel(this);
if (m_pLabelExecCapMax)
pLegendLayout->addWidget(m_pLabelExecCapMax);
/* Add legend layout to slider layout: */
pSliderLayout->addLayout(pLegendLayout);
}
/* Add slider layout to main layout: */
m_pLayout->addLayout(pSliderLayout, 0, 1, 2, 1);
}
/* Create VCPU spin-box: */
m_pSpinBox = new QSpinBox(this);
if (m_pSpinBox)
{
setFocusProxy(m_pSpinBox);
if (m_pLabelExecCap)
m_pLabelExecCap->setBuddy(m_pSpinBox);
m_pSpinBox->setMinimum(m_uMinExecCap);
m_pSpinBox->setMaximum(m_uMaxExecCap);
uiCommon().setMinimumWidthAccordingSymbolCount(m_pSpinBox, 4);
connect(m_pSpinBox, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged),
this, &UIExecutionCapEditor::sltHandleSpinBoxChange);
m_pLayout->addWidget(m_pSpinBox, 0, 2);
}
}
/* Apply language settings: */
retranslateUi();
}
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