src/genericgui/SceneHeaderItem.cxx

   1 // Copyright (C) 2006-2012  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License.
   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 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "SceneHeaderItem.hxx"
  21 #include "SceneHeaderNodeItem.hxx"
  22 #include "SceneTextItem.hxx"
  23 #include "Scene.hxx"
  24 #include <QGraphicsSceneMouseEvent>
  25
  26 #include "Resource.hxx"
  27
  28 // #include "QtGuiContext.hxx"
  29 // #include "Menus.hxx"
  30 // #include <QGraphicsSceneHoverEvent>
  31 // #include <QPointF>
  32
  33 #include <cassert>
  34
  35 //#define _DEVDEBUG_
  36 #include "YacsTrace.hxx"
  37
  38 using namespace std;
  39 using namespace YACS::ENGINE;
  40 using namespace YACS::HMI;
  41
  42
  43 SceneHeaderItem::SceneHeaderItem(QGraphicsScene *scene, SceneItem *parent,
  44                                  QString label)
  45   : SceneItem(scene, parent, label)
  46 {
  47   YASSERT(_parent);
  48   _width  = 2*Resource::DataPort_Width - 2*Resource::CtrlPort_Width - Resource::Space_Margin;
  49   _height = Resource::CtrlPort_Height;
  50   _text=0;
  51   _brushColor   = Resource::Header_brush;
  52   _hiBrushColor = Resource::Header_hiBrush;
  53   _penColor     = Resource::Header_pen;
  54   _hiPenColor   = Resource::Header_hiPen;
  55 }
  56
  57 SceneHeaderItem::~SceneHeaderItem()
  58 {
  59 }
  60
  61 QRectF SceneHeaderItem::getMinimalBoundingRect() const
  62 {
  63   return QRectF(x(), y(), 5, _height);
  64 }
  65
  66 void SceneHeaderItem::paint(QPainter *painter,
  67                             const QStyleOptionGraphicsItem *option,
  68                             QWidget *widget)
  69 {
  70 //   DEBTRACE("SceneHeaderItem::paint");
  71 }
  72
  73 void SceneHeaderItem::setText(QString label)
  74 {
  75   if (!_text)
  76     _text = new SceneTextItem(_scene, this, label);
  77   else
  78     _text->setPlainTextTrunc(label);
  79   QGraphicsItem::update();
  80 }
  81
  82 void SceneHeaderItem::popupMenu(QWidget *caller, const QPoint &globalPos)
  83 {
  84   if (_parent) _parent->popupMenu(caller, globalPos);
  85 }
  86
  87 void SceneHeaderItem::adjustGeometry()
  88 {
  89   prepareGeometryChange();
  90   _width = _parent->getWidth() - 2*Resource::Corner_Margin - 2*Resource::Space_Margin - 2*Resource::CtrlPort_Width;
  91   update();
  92 }
  93
  94 QColor SceneHeaderItem::getPenColor()
  95 {
  96 QColor color = _penColor;
  97  if (getParent())
  98    if(getParent()->getParent())
  99      if (getParent()->getParent()->isSelected())
 100        color = _hiPenColor;
 101  return color;
 102 }
 103
 104 QColor SceneHeaderItem::getBrushColor()
 105 {
 106   QColor color = _brushColor;
 107   if (dynamic_cast<SceneHeaderNodeItem*>(this))
 108     if (getParent()->isSelected())
 109       color = _hiBrushColor;
 110   if (_hover)
 111     color = hoverColor(color);
 112   return color;
 113 }
 114
 115 void SceneHeaderItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
 116 {
 117   event->ignore();
 118 }