runtime/phonon/tests/guitest/widgetrectitem.cpp

   1 /*  This file is part of the KDE project
   2     Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
   3
   4     This library is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU Library General Public
   6     License version 2 as published by the Free Software Foundation.
   7
   8     This library is distributed in the hope that it will be useful,
   9     but WITHOUT ANY WARRANTY; without even the implied warranty of
  10     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11     Library General Public License for more details.
  12
  13     You should have received a copy of the GNU Library General Public License
  14     along with this library; see the file COPYING.LIB.  If not, write to
  15     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16     Boston, MA 02110-1301, USA.
  17
  18 */
  19
  20 #include "widgetrectitem.h"
  21 #include <QtCore/QEvent>
  22 #include <QtGui/QGraphicsProxyWidget>
  23 #include "pathitem.h"
  24
  25 //X WidgetRectItem::WidgetRectItem(QGraphicsItem *parent)
  26 //X     : QGraphicsRectItem(parent)
  27 //X {
  28 //X }
  29
  30 WidgetRectItem::WidgetRectItem(const QPointF &pos, const QColor &brush, const QString &title)
  31     : m_title(title)
  32 {
  33     setFlag(QGraphicsItem::ItemIsMovable);
  34     setPos(pos);
  35     setBrush(brush);
  36 }
  37
  38 WidgetRectItem::~WidgetRectItem()
  39 {
  40 }
  41
  42 void WidgetRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
  43 {
  44     QSizeF size;
  45     QGraphicsProxyWidget *proxy = 0;
  46     if (childItems().size() == 1) {
  47         proxy = qgraphicsitem_cast<QGraphicsProxyWidget *>(
  48                 childItems().first());
  49         QWidget *w = proxy->widget();
  50         if (w) {
  51             size = w->sizeHint();
  52         }
  53     }
  54     if (!size.isValid()) {
  55         size = childrenBoundingRect().size();
  56     }
  57     setRect(0.0, 0.0, size.width() + 32.0, size.height() + 30.0);
  58     QGraphicsRectItem::paint(painter, option, widget);
  59     painter->drawText(rect(), Qt::AlignTop | Qt::AlignHCenter, m_title);
  60
  61     if (size != m_lastSize) {
  62         if (proxy) {
  63             proxy->resize(size);
  64         }
  65         m_lastSize = size;
  66         foreach (PathItem *p, m_paths) {
  67             p->endPointMoved(this);
  68         }
  69     }
  70
  71 //X     const QPoint mapped = m_view->mapFromScene(pos());
  72 //X     const QRectF frameGeometry(mapped.x() + 18, mapped.y() + 17, size.width(), size.height());
  73 //X     if (childrenBoundingRect() != frameGeometry) {
  74 //X         PathItem *pathItem = qgraphicsitem_cast<PathItem *>(parentItem());
  75 //X         if (pathItem) {
  76 //X             pathItem->updateChildrenPositions();
  77 //X         }
  78 //X     }
  79 }
  80
  81 QVariant WidgetRectItem::itemChange(GraphicsItemChange change, const QVariant &value)
  82 {
  83     if (change == ItemPositionHasChanged) {
  84         foreach (PathItem *p, m_paths) {
  85             p->endPointMoved(this);
  86         }
  87     }
  88     return QGraphicsItem::itemChange(change, value);
  89 }
  90
  91 void WidgetRectItem::addPath(PathItem *p)
  92 {
  93     m_paths.append(p);
  94 }
  95
  96 void WidgetRectItem::removePath(PathItem *p)
  97 {
  98     m_paths.removeAll(p);
  99 }