Toolbar.h

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#pragma once
#include <NDEVR/ResizeVisibleAnimation.h>
#include <NDEVR/QTTools.h>
#include <QWidget>
#include <QHBoxLayout>
#include <QApplication>
#include <QStyle>
#include <QScreen>
namespace NDEVR
{
    class Toolbar : public QWidget
    {
    public:
        Toolbar(QWidget* parent = nullptr)
            : QWidget(parent)
            , m_layout(new QHBoxLayout(this))
        {
            m_layout->setContentsMargins(0, 0, 0, 0);
            m_layout->setSpacing(0);
            setLayout(m_layout);
            setBackgroundRole(QPalette::ColorRole::AlternateBase);
            setAutoFillBackground(true);
            setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
        }
        virtual void addWidget(const QPointer<QWidget>& widget)
        {
            if (widget.isNull())
                return;
            int location = m_layout->indexOf(widget);
            if (location != -1)
                return;//alread added
            lib_assert(!m_custom_widgets.contains(widget), "already added");
            m_custom_widgets.add(widget);
            bool make_visible = (!widget->isHidden() || !widget->testAttribute(Qt::WA_WState_ExplicitShowHide))
                && widget->maximumWidth() > 0 && widget->maximumHeight() > 0;
            widget->setParent(nullptr);
            m_layout->addWidget(widget, 0);
            if (make_visible)
            {
                widget->setVisible(false);
                ResizeVisibleAnimation::run(widget, true, false);
            }
        }
        virtual void removeWidget(const QPointer<QWidget>& widget)
        {
            if (widget.isNull())
                return;
            m_custom_widgets.removeElement(widget);
            int index = m_layout->indexOf(widget);
            if (index != -1)
            {
                if (widget->isVisible() && widget->width() > 0 && widget->height() > 0)
                    ResizeVisibleAnimation::runRemove(widget, false);
            }
        }
        virtual void clear()
        {
            QTTools::ClearLayout(m_layout, false);
            for (uint04 i = 0; i < m_custom_widgets.size(); i++)
            {
                if (m_custom_widgets[i].isNull())
                    continue;
                //ui->left_side_layout->removeWidget(m_left_widgets[i]);
                m_custom_widgets[i]->setParent(nullptr);
            }
            m_custom_widgets.clear();
        }
        QSize minimumSizeHint() const override
        {
            QSize size;
            size.setWidth(style()->pixelMetric(QStyle::PM_SmallIconSize));
            size.setHeight(style()->pixelMetric(QStyle::PM_SmallIconSize));
            return size;
        }
        QSize sizeHint() const override
        {
            QSize size = QWidget::sizeHint();
            size.setHeight(style()->pixelMetric(QStyle::PM_SmallIconSize));
            return size;
        }
    protected:
        Buffer<QPointer<QWidget>> m_custom_widgets;
        QHBoxLayout* m_layout;
    };
}