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Viewing changes to plasma/generic/applets/systemtray/ui/taskarea_p.h

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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plasma/generic/applets/systemtray/ui/taskarea_p.h
 
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/***************************************************************************
 
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 *   taskarea.cpp                                                          *
 
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 *                                                                         *
 
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 *   Copyright (C) 2008 Jason Stubbs <jasonbstubbs@gmail.com>              *
 
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 *                                                                         *
 
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 *   This program is free software; you can redistribute it and/or modify  *
 
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 *   it under the terms of the GNU General Public License as published by  *
 
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 *   the Free Software Foundation; either version 2 of the License, or     *
 
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 *   (at your option) any later version.                                   *
 
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 *                                                                         *
 
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 *   This program is distributed in the hope that it will be useful,       *
 
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 
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 *   GNU General Public License for more details.                          *
 
15
 *                                                                         *
 
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 *   You should have received a copy of the GNU General Public License     *
 
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 *   along with this program; if not, write to the                         *
 
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 *   Free Software Foundation, Inc.,                                       *
 
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 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
 
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 ***************************************************************************/
 
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#ifndef TASKAREA_P_H
 
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#define TASKAREA_P_H
 
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#include <Plasma/Label>
 
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namespace SystemTray
 
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{
 
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class HiddenTaskLabel : public Plasma::Label
 
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{
 
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    Q_OBJECT
 
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public:
 
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    HiddenTaskLabel(QGraphicsWidget *taskIcon, const QString &label, Plasma::ItemBackground *itemBackground, Plasma::Applet *applet, QGraphicsWidget *parent = 0)
 
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        : Plasma::Label(parent),
 
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          m_taskIcon(taskIcon),
 
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          m_itemBackground(itemBackground),
 
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          m_applet(applet)
 
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    {
 
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        taskIcon->setMaximumHeight(48);
 
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        taskIcon->setMinimumHeight(24);
 
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        taskIcon->setMinimumWidth(24);
 
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        nativeWidget()->setIndent(6);
 
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        setContentsMargins(6, 0, 0, 0);
 
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        setWordWrap(false);
 
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        setText(label);
 
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        if (!itemBackground->scene()) {
 
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            scene()->addItem(itemBackground);
 
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            takeItemBackgroundOwnership();
 
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        }
 
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    }
 
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public slots:
 
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    void taskChanged(SystemTray::Task *task)
 
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    {
 
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        setText(task->name());
 
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    }
 
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protected:
 
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    void takeItemBackgroundOwnership()
 
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    {
 
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        if (m_taskIcon) {
 
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            QRectF totalRect = geometry().united(m_taskIcon.data()->geometry());
 
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            totalRect.moveTopLeft(QPoint(0,0));
 
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            totalRect = m_taskIcon.data()->mapToScene(totalRect).boundingRect();
 
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            qreal left, top, right, bottom;
 
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            m_itemBackground->getContentsMargins(&left, &top, &right, &bottom);
 
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            totalRect.adjust(-left/2, -top/2, right/2, bottom/2);
 
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            m_itemBackground->setTarget(totalRect);
 
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        }
 
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    }
 
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    template<class T> void forwardEvent(T *event)
 
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    {
 
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        if (m_taskIcon) {
 
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            QGraphicsWidget *item = m_taskIcon.data();
 
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            QPointF delta = item->sceneBoundingRect().center() - event->scenePos();
 
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            event->setScenePos(item->sceneBoundingRect().center());
 
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            event->setScreenPos((event->screenPos() + delta).toPoint());
 
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            if (dynamic_cast<QGraphicsSceneContextMenuEvent *>(event) &&
 
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                qobject_cast<Plasma::Applet*>(item) &&
 
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                m_applet->containment()) {
 
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                event->setPos(m_applet->containment()->mapFromScene(event->scenePos()));
 
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                scene()->sendEvent(m_applet->containment(), event);
 
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            } else if (qobject_cast<Plasma::Applet*>(item)) {
 
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                event->setPos(scene()->itemAt(event->scenePos())->mapFromScene(event->scenePos()));
 
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                scene()->sendEvent(scene()->itemAt(event->scenePos()), event);
 
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            } else {
 
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                event->setPos(item->boundingRect().center());
 
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                scene()->sendEvent(item, event);
 
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            }
 
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        }
 
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    }
 
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    void mousePressEvent(QGraphicsSceneMouseEvent *event)
 
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    {
 
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        forwardEvent(event);
 
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    }
 
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    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
 
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    {
 
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        forwardEvent(event);
 
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    }
 
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    void contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
 
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    {
 
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        forwardEvent(event);
 
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    }
 
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    void wheelEvent(QGraphicsSceneWheelEvent *event)
 
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    {
 
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        forwardEvent(event);
 
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    }
 
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    void hoverEnterEvent(QGraphicsSceneHoverEvent * event)
 
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    {
 
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        takeItemBackgroundOwnership();
 
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        forwardEvent(event);
 
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    }
 
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    void hoverLeaveEvent(QGraphicsSceneHoverEvent * event)
 
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    {
 
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        forwardEvent(event);
 
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    }
 
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    void hoverMoveEvent(QGraphicsSceneHoverEvent * event)
 
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    {
 
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        forwardEvent(event);
 
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    }
 
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private:
 
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    QWeakPointer<QGraphicsWidget> m_taskIcon;
 
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    Plasma::ItemBackground *m_itemBackground;
 
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    Plasma::Applet *m_applet;
 
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};
 
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}
 
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#endif