customgroupbox.cpp

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/*
 * SPDX-FileCopyrightText: 2006-2021 Istituto Italiano di Tecnologia (IIT)
 * SPDX-FileCopyrightText: 2006-2010 RobotCub Consortium
 * SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
#include "customgroupbox.h"
#include "ui_customgroupbox.h"
 
CustomGroupBoxLabel::CustomGroupBoxLabel(QWidget *parent)
    : QPushButton(parent)
{
 
}
 
void CustomGroupBoxLabel::mouseDoubleClickEvent(QMouseEvent *)
{
    emit sig_titleDoubleClick();
}
 
CustomGroupBox::CustomGroupBox(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::CustomGroupBox),
    m_visible(true)
{
    ui->setupUi(this);
    m_layout = new QVBoxLayout;
    m_layout->setMargin(0);
    ui->frame->setLayout(m_layout);
    const int minHeight = 10; //This avoids the containing scroll area to add too much white space
    ui->contentWidget->setMinimumHeight(minHeight);
 
    toggle(true);
 
    connect(ui->arrowButton, SIGNAL(clicked(bool)), this, SLOT(onArrowPressed(bool)));
    connect(ui->header, SIGNAL(sig_titleDoubleClick()), this, SLOT(onTitleDoubleClick()));
 
    ui->header->setAttribute(Qt::WA_StyledBackground, true);
 
    QAction* expandAll = m_contextMenu.addAction("Expand all");
    connect(expandAll, SIGNAL(triggered()), this, SLOT(onExpandAll()));
 
    QAction* collapseAll = m_contextMenu.addAction("Collapse all");
    connect(collapseAll, SIGNAL(triggered()), this, SLOT(onCollapseAll()));
 
}
 
CustomGroupBox::~CustomGroupBox()
{
    delete ui;
}
 
void CustomGroupBox::setTitle(const QString &string)
{
    ui->header->setText(string);
}
 
void CustomGroupBox::setTitleBackgroundColor(const QColor &backgroundColor)
{
 
    QString stileSheet = QString("text-align: left; color: rgb(35, 38, 41); background-color: rgb(%1, %2, %3)")
            .arg(backgroundColor.red()).arg(backgroundColor.green()).arg(backgroundColor.blue());
    ui->header->setStyleSheet(stileSheet);
}
 
void CustomGroupBox::removeTitleBackground()
{
    QString stileSheet = QString("text-align: left; color: rgb(35, 38, 41);");
    ui->header->setStyleSheet(stileSheet);
}
 
void CustomGroupBox::setTitleIcon(const QIcon &icon)
{
    ui->header->setIcon(icon);
}
 
void CustomGroupBox::addWidget(QWidget *widget)
{
    m_layout->addWidget(widget);
}
 
void CustomGroupBox::toggle(bool visible)
{
    ui->contentWidget->setVisible(visible);
    m_visible = visible;
    ui->arrowButton->setArrowType(m_visible ? Qt::ArrowType::DownArrow : Qt::ArrowType::RightArrow);
}
 
void CustomGroupBox::enableCollapseAllContextMenu(bool enable)
{
    if (enable)
    {
        ui->header->setContextMenuPolicy(Qt::CustomContextMenu);
 
        connect(ui->header, SIGNAL(customContextMenuRequested(QPoint)),
                this, SLOT(onShowContextMenu(QPoint)));
    }
    else
    {
        ui->header->setContextMenuPolicy(Qt::NoContextMenu);
 
        disconnect(ui->header, SIGNAL(customContextMenuRequested(QPoint)),
                   this, SLOT(onShowContextMenu(QPoint)));
    }
}
 
bool CustomGroupBox::visible() const
{
    return m_visible;
}
 
void CustomGroupBox::toggleChildren(bool visible)
{
    for (int i = 0; i < m_layout->count(); ++i)
    {
        QWidget* child = m_layout->itemAt(i)->widget();
        if (child->objectName() == "CustomGroupBox")
        {
            CustomGroupBox* casted = static_cast<CustomGroupBox*>(child); //using static_cast for downcasting should be safe considering the if clause
            casted->toggle(visible);
        }
    }
}
 
void CustomGroupBox::onArrowPressed(bool)
{
    toggle(!m_visible);
}
 
void CustomGroupBox::onTitleDoubleClick()
{
    emit sig_titleDoubleClick();
}
 
void CustomGroupBox::onExpandAll()
{
    toggleChildren(true);
}
 
void CustomGroupBox::onCollapseAll()
{
    toggleChildren(false);
}
 
void CustomGroupBox::onShowContextMenu(QPoint pos)
{
    m_contextMenu.exec(mapToGlobal(pos));
}