QtPickToolBar.cc

/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
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/*===========================================================================*\
 *                                                                           *
 *   $Revision: 83 $                                                         *
 *   $Author: moebius $                                                      *
 *   $Date: 2009-02-27 17:31:45 +0100 (Fr, 27. Feb 2009) $                   *
 *                                                                           *
\*===========================================================================*/


//=============================================================================
//
//  CLASS QtPickToolbar
//
//=============================================================================


//== GLOBAL DEFINITIONS=========================================================

#define BACKGROUND_RED   0xff
#define BACKGROUND_GREEN 0xff
#define BACKGROUND_BLUE  0xff
#define BACKGROUND_ALPHA 0xcf

#define SLIDE_DURATION 1000


//== INCLUDES =================================================================


#include <OpenFlipper/common/GlobalOptions.hh>

#include <QPainter>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QDialog>
#include <QVBoxLayout>
#include <QToolBar>
#include <QStatusBar>
#include <QStatusTipEvent>

#include "QtPickToolbar.hh"
#include "QtGraphicsButton.hh"


//== IMPLEMENTATION ==========================================================

QtPickToolbar::QtPickToolbar(QMainWindow *_core, QGraphicsItem *_parent) :
  QGraphicsProxyWidget(_parent),
  toolbar_(0),
  core_(_core)
{
  setCacheMode (QGraphicsItem::DeviceCoordinateCache);
  setWindowFrameMargins (2, 2, 2, 2);
  setZValue (2.0);

  hide ();
}

//-----------------------------------------------------------------------------

void QtPickToolbar::attachToolbar (QToolBar *_t)
{
  if (!_t)
  {
    detachToolbar ();
    return;
  }

  if (_t == toolbar_)
    return;

  toolbar_ = _t;
  toolbar_->setParent(0);

  setWidget (toolbar_);
  setWindowFlags(Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);

  show ();

  updateGeometry ();
}

//-----------------------------------------------------------------------------

void QtPickToolbar::detachToolbar ()
{
  if (toolbar_)
  {
    setWidget (0);
    hide ();
    toolbar_->setParent(0);
    toolbar_ = 0;
  }
}

//-----------------------------------------------------------------------------

void QtPickToolbar::paintWindowFrame(QPainter *_painter,
                                     const QStyleOptionGraphicsItem* /*_option*/,
                                     QWidget* /*_widget*/ )
{
  int w = geometry().width();
  int h = geometry().height();

  _painter->setRenderHint(QPainter::Antialiasing, true);
  _painter->setBrush(QBrush(QColor(BACKGROUND_RED,
                                   BACKGROUND_GREEN,
                                   BACKGROUND_BLUE,
                                   BACKGROUND_ALPHA)));
  _painter->setPen(QColor(BACKGROUND_RED / 4,
                          BACKGROUND_GREEN / 4,
                          BACKGROUND_BLUE / 4,
                          BACKGROUND_ALPHA));
  _painter->drawRoundedRect(-2, -6, w + 4, h + 8, 4, 4);

  _painter->setPen(Qt::SolidLine);


}

//-----------------------------------------------------------------------------

Qt::WindowFrameSection QtPickToolbar::windowFrameSectionAt(const QPointF &_pos) const
{
  return Qt::NoSection;
}

//-----------------------------------------------------------------------------

void QtPickToolbar::updateGeometry ()
{
  if (parentWidget () && widget ())
  {
    resize (qMin ((int)parentWidget ()->geometry ().width () - 20, widget ()->sizeHint ().width ()),
            widget ()->sizeHint ().height ());
    setPos ((parentWidget ()->geometry ().width () - geometry ().width ()) / 2, 0);
  }
}

//-----------------------------------------------------------------------------

bool QtPickToolbar::eventFilter(QObject *_obj, QEvent *_event)
{
  /* The QGraphicsProxyWidged does not sent the StatusTip messages to the main
     application window status bar. So we have to do it manually.
  */
  if (_event->type () == QEvent::StatusTip)
  {
    if (core_->statusBar ())
      core_->statusBar ()->showMessage (dynamic_cast<QStatusTipEvent *>(_event)->tip());

    return QGraphicsProxyWidget::eventFilter(_obj, _event);
  }
  else
    return QGraphicsProxyWidget::eventFilter(_obj, _event);
}

//=============================================================================
//=============================================================================