dde-dock/plugins/system-tray/fashiontraycontrolwidget.cpp

#include "fashiontraycontrolwidget.h"

#include <QMouseEvent>
#include <QPainter>

#define ExpandedKey "fashion-tray-expanded"

FashionTrayControlWidget::FashionTrayControlWidget(Dock::Position position, QWidget *parent)
    : QWidget(parent),
      m_settings(new QSettings("deepin", "dde-dock-tray")),
      m_dockPosition(position),
      m_expanded(m_settings->value(ExpandedKey, true).toBool()),
      m_hover(false),
      m_pressed(false)
{
    setDockPostion(m_dockPosition);
    setExpanded(m_expanded);
}

void FashionTrayControlWidget::setDockPostion(Dock::Position pos)
{
    m_dockPosition = pos;
    update();
}

bool FashionTrayControlWidget::expanded() const
{
    return m_expanded;
}

void FashionTrayControlWidget::setExpanded(const bool &expanded)
{
    if (m_expanded == expanded) {
        return;
    }

    m_expanded = expanded;
    update();

    m_settings->setValue(ExpandedKey, m_expanded);

    Q_EMIT expandChanged(m_expanded);
}

void FashionTrayControlWidget::paintEvent(QPaintEvent *event)
{
    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing, true);

    painter.setOpacity(0.5);

    if (m_expanded) {
        painter.setPen(QColor::fromRgb(40, 40, 40));
        painter.setBrush(QColor::fromRgb(40, 40, 40));
        if (m_hover) {
            painter.setPen(QColor::fromRgb(60, 60, 60));
            painter.setBrush(QColor::fromRgb(60, 60, 60));
        }
        if (m_pressed) {
            painter.setPen(QColor::fromRgb(20, 20, 20));
            painter.setBrush(QColor::fromRgb(20, 20, 20));
        }
    } else {
        painter.setPen(QColor::fromRgb(255, 255, 255));
        painter.setBrush(QColor::fromRgb(255, 255, 255));
        if (m_hover) {
            painter.setOpacity(0.6);
        }
        if (m_pressed) {
            painter.setOpacity(0.3);
        }
    }

    painter.drawRoundRect(rect());
}

void FashionTrayControlWidget::mouseReleaseEvent(QMouseEvent *event)
{
    m_pressed = false;
    update();

    if (event->button() == Qt::LeftButton) {
        event->accept();
        setExpanded(!m_expanded);
        return;
    }

    QWidget::mouseReleaseEvent(event);
}

void FashionTrayControlWidget::mousePressEvent(QMouseEvent *event)
{
    m_pressed = true;
    update();

    QWidget::mousePressEvent(event);
}

void FashionTrayControlWidget::enterEvent(QEvent *event)
{
    m_hover = true;
    update();

    QWidget::enterEvent(event);
}

void FashionTrayControlWidget::leaveEvent(QEvent *event)
{
    m_hover = false;
    update();

    QWidget::leaveEvent(event);
}