Denis: Added-new-autohiding-graphics-scene-window-that-cont

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@5018 383ad7c9-94d9-4d36-a494-682f7c89f535

widgets/coreWidget/CoreWidget.cc

@@ -143,16 +143,22 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
   // ======================================================================
   // Set up the logging window
   // ======================================================================
+
+  slidingLogger_ = new QtSlideWindow ("Log Viewer", centerWidget_);
+  tempLogWidget = new QWidget;
+
   logWidget_ = new LoggerWidget(splitter_);
   logWidget_->setReadOnly(true);
   logWidget_->setSizePolicy( QSizePolicy ( QSizePolicy::Preferred , QSizePolicy::Preferred ) );
-  logWidget_->resize( splitter_->width() ,120);
+  logWidget_->resize( splitter_->width() ,240);
   logWidget_->setLineWrapMode( QTextEdit::NoWrap );
 
   originalLoggerSize_ = 0;
 
   QList<int> wsizes( splitter_->sizes() );
   if (OpenFlipper::Options::hideLogger()) {
+    slidingLogger_->attachWidget (logWidget_);
+    splitter_->insertWidget (1, tempLogWidget);
     wsizes[0] = 1;
     wsizes[1] = 0;
     splitter_->setSizes(wsizes);
@@ -523,11 +529,41 @@ CoreWidget::showLogger(bool _state) {
     // Remember old size
     originalLoggerSize_  = wsizes[1];
 
+    int height = logWidget_->height ();
+
+    splitter_->insertWidget (1, tempLogWidget);
     wsizes[0] = wsizes[0]+wsizes[1];
     wsizes[1] = 0;
     splitter_->setSizes(wsizes);
+    logWidget_->resize (logWidget_->width (), height);
+    slidingLogger_->attachWidget (logWidget_);
+
+  } else if (splitter_->widget (1) == logWidget_) {
+
+    if ( originalLoggerSize_ == 0)
+        originalLoggerSize_ = 240;
+
+    QList<int> wsizes( splitter_->sizes() );
+
+    if (wsizes[0] == 0)
+      wsizes[0] = height();
+
+    wsizes[0] = wsizes[0]+wsizes[1] - originalLoggerSize_;
+    wsizes[1] = originalLoggerSize_;
+    splitter_->setSizes(wsizes);
   } else {
 
+    QList<int> wsizes( splitter_->sizes() );
+
+    int height = logWidget_->height ();
+
+    slidingLogger_->detachWidget ();
+    splitter_->insertWidget (1, logWidget_);
+
+    wsizes[0] = wsizes[0]+wsizes[1] - height;
+    wsizes[1] = height;
+    splitter_->setSizes(wsizes);
+/*
     if ( originalLoggerSize_ == 0)
         originalLoggerSize_ = 240;
 
@@ -539,6 +575,7 @@ CoreWidget::showLogger(bool _state) {
     wsizes[0] = wsizes[0]+wsizes[1] - originalLoggerSize_;
     wsizes[1] = originalLoggerSize_;
     splitter_->setSizes(wsizes);
+    */
   }
 }
 
@@ -677,6 +714,7 @@ void
 CoreWidget::sceneRectChanged(const QRectF &rect)
 {
   centerWidget_->setGeometry (rect);
+  slidingLogger_->updateGeometry ();
 }
 
 

widgets/coreWidget/CoreWidget.hh

@@ -60,6 +60,7 @@
 #include <OpenFlipper/widgets/glWidget/QtGLGraphicsScene.hh>
 #include <OpenFlipper/widgets/glWidget/QtGLGraphicsView.hh>
 #include <OpenFlipper/widgets/glWidget/QtMultiViewLayout.hh>
+#include <OpenFlipper/widgets/glWidget/QtSlideWindow.hh>
 
 // QT INCLUDES
 #include <QMainWindow>
@@ -410,6 +411,12 @@ public:
     /// Base layout that holds gl views
     QtMultiViewLayout* baseLayout_;
 
+    /// Class that holds the animated log widget
+    QtSlideWindow* slidingLogger_;
+
+    /// Temporary widget
+    QWidget* tempLogWidget;
+
 
     // widget showing the scenegraph
     ACG::QtWidgets::QtSceneGraphDialog* sceneGraphDialog_;

widgets/glWidget/QtGraphicsButton.cc

+//=============================================================================
+//
+//                               OpenFlipper
+//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
+//                           www.openflipper.org
+//
+//-----------------------------------------------------------------------------
+//
+//                                License
+//
+//  OpenFlipper is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  OpenFlipper is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+//
+//   $Revision: 4430 $
+//   $Author: moebius $
+//   $Date: 2009-01-23 17:14:32 +0100 (Fr, 23. Jan 2009) $
+//
+//=============================================================================
+
+
+
+
+//=============================================================================
+//
+//  CLASS QtGraphicsButton - IMPLEMENTATION
+//
+//=============================================================================
+
+//== INCLUDES =================================================================
+
+#include <QPainter>
+#include <QGraphicsSceneMouseEvent>
+
+#include "QtGraphicsButton.hh"
+
+//== IMPLEMENTATION ==========================================================
+
+QtGraphicsButton::QtGraphicsButton (const QImage &_image, QGraphicsItem *_parent, int _width, int _height) :
+  QGraphicsItem (_parent),
+  checkable_(false),
+  checked_(false),
+  pressed_(false),
+  over_(false),
+  width_(_width),
+  height_(_height)
+{
+  if (width_ <= 0)
+    width_ = _image.width ();
+  if (height_ <= 0)
+    height_ = _image.height ();
+
+  // scale image to button dimensions
+  QImage i = _image.scaled (width_, height_, Qt::IgnoreAspectRatio, Qt::SmoothTransformation).convertToFormat (QImage::Format_ARGB32);
+
+  checkedPix_ = QPixmap::fromImage (i);
+
+  // generate black/white and transparent images for the other button states
+  QImage normal (width_, height_, QImage::Format_ARGB32);
+  QImage over (width_, height_, QImage::Format_ARGB32);
+
+  for (int x = 0; x < width_; x++)
+    for (int y = 0; y < height_; y++)
+  {
+    QRgb pix = i.pixel (x, y);
+    over.setPixel (x, y, qRgba (qRed (pix), qGreen (pix), qBlue (pix), qAlpha (pix) * 0.5));
+    normal.setPixel (x, y, qRgba (qGray (pix), qGray (pix), qGray (pix), qAlpha (pix) * 0.3));
+  }
+  overPix_ = QPixmap::fromImage (over);
+  normalPix_ = QPixmap::fromImage (normal);
+
+  setAcceptHoverEvents (true);
+}
+
+//-----------------------------------------------------------------------------
+
+QRectF QtGraphicsButton::boundingRect () const
+{
+  return QRectF (QPointF(0, 0), QSizeF (width_, height_));
+}
+
+//-----------------------------------------------------------------------------
+
+void QtGraphicsButton::paint (QPainter *_painter, const QStyleOptionGraphicsItem *, QWidget *)
+{
+  _painter->setClipping (false);
+  if (pressed_ || checked_)
+    _painter->drawPixmap (0, 0, checkedPix_);
+  else if (over_)
+    _painter->drawPixmap (0, 0, overPix_);
+  else
+    _painter->drawPixmap (0, 0, normalPix_);
+}
+
+//-----------------------------------------------------------------------------
+
+void QtGraphicsButton::setCheckable (bool _value)
+{
+  checkable_ = _value;
+}
+
+//-----------------------------------------------------------------------------
+
+void QtGraphicsButton::setChecked (bool _value)
+{
+  checked_ = _value;
+}
+
+//-----------------------------------------------------------------------------
+
+bool QtGraphicsButton::isChecked () const
+{
+  return checked_;
+}
+
+//-----------------------------------------------------------------------------
+
+void QtGraphicsButton::hoverEnterEvent (QGraphicsSceneHoverEvent *)
+{
+  over_ = true;
+  update ();
+}
+
+//-----------------------------------------------------------------------------
+
+void QtGraphicsButton::hoverLeaveEvent (QGraphicsSceneHoverEvent *)
+{
+  over_ = false;
+  update ();
+}
+
+//-----------------------------------------------------------------------------
+
+void QtGraphicsButton::mousePressEvent ( QGraphicsSceneMouseEvent *_event)
+{
+  _event->accept ();
+  pressed_ = true;
+  if (checkable_)
+    checked_ = !checked_;
+  update ();
+
+  emit pressed ();
+}
+
+//-----------------------------------------------------------------------------
+
+void QtGraphicsButton::mouseReleaseEvent (QGraphicsSceneMouseEvent *_event)
+{
+  _event->accept ();
+  pressed_ = false;
+  update ();
+}
+
+//-----------------------------------------------------------------------------
+
+QVariant QtGraphicsButton::itemChange (GraphicsItemChange _change, const QVariant &_value)
+{
+  // reset state if button was hidden
+  if (_change == QGraphicsItem::ItemVisibleHasChanged)
+  {
+    pressed_ = false;
+    over_ = false;
+  }
+  return QGraphicsItem::itemChange (_change, _value);
+}
+
+//=============================================================================

widgets/glWidget/QtGraphicsButton.hh

+//=============================================================================
+//
+//                               OpenFlipper
+//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
+//                           www.openflipper.org
+//
+//-----------------------------------------------------------------------------
+//
+//                                License
+//
+//  OpenFlipper is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  OpenFlipper is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+//
+//   $Revision: $
+//   $Author: $
+//   $Date: $
+//
+//=============================================================================
+
+
+
+#ifndef QT_GRAPHICS_BUTTON_
+#define QT_GRAPHICS_BUTTON_
+
+//=============================================================================
+//
+//  CLASS QtGraphicsButton - IMPLEMENTATION
+//
+//=============================================================================
+
+//== INCLUDES =================================================================
+
+#include <QGraphicsItem>
+
+//== CLASS DEFINITION =========================================================
+
+/** Simple Button implementation for QGraphicsScene
+*/
+
+
+class QtGraphicsButton : public QObject, public QGraphicsItem
+{
+  Q_OBJECT
+
+  public:
+
+    /** Create a glViewer.
+    \param _image button imahe
+    \param _parent parent graphics scene item
+    \param _width button width
+    \param _height button height
+    */
+
+    QtGraphicsButton (const QImage &_image, QGraphicsItem *_parent = 0, int _width = -1, int _height = -1);
+
+  public:
+
+    /// returns the bounding rect
+    virtual QRectF boundingRect () const;
+
+    /// paints the button
+    virtual void paint (QPainter *_painter, const QStyleOptionGraphicsItem *_option, QWidget *_widget = 0);
+
+    /// event tracking
+    virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *_event);
+    virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *_event);
+    virtual void mousePressEvent (QGraphicsSceneMouseEvent *_event);
+    virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *_event);
+
+    virtual QVariant itemChange (GraphicsItemChange _change, const QVariant &_value);
+
+    /// makes the button checkable
+    void setCheckable (bool _value);
+
+    /// sets button checked state
+    void setChecked (bool _value);
+
+    /// returns button checked state
+    bool isChecked () const;
+
+  signals:
+
+    /// signals a button press
+    void pressed ();
+
+  private:
+
+    /// button state
+    bool checkable_;
+    bool checked_;
+    bool pressed_;
+    bool over_;
+
+    /// button size
+    int width_;
+    int height_;
+
+    /// pixmaps for different button states
+    QPixmap normalPix_;
+    QPixmap overPix_;
+    QPixmap checkedPix_;
+};
+
+#endif
\ No newline at end of file

widgets/glWidget/QtSlideWindow.cc

+//=============================================================================
+//
+//                               OpenFlipper
+//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
+//                           www.openflipper.org
+//
+//-----------------------------------------------------------------------------
+//
+//                                License
+//
+//  OpenFlipper is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  OpenFlipper is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+//
+//   $Revision: $
+//   $Author: $
+//   $Date: $
+//
+//=============================================================================
+
+//=============================================================================
+//
+//  CLASS QtSlideWindow
+//
+//=============================================================================
+
+
+//== GLOBAL DEFINITIONS=========================================================
+
+#define BACKGROUND_RED   0xff
+#define BACKGROUND_GREEN 0xff
+#define BACKGROUND_BLUE  0xff
+#define BACKGROUND_ALPHA 0xcf
+
+#define SLIDE_DURATION 500
+
+
+//== INCLUDES =================================================================
+
+
+#include <OpenFlipper/common/GlobalOptions.hh>
+
+#include <QPainter>
+#include <QGraphicsSceneMouseEvent>
+#include <QTimeLine>
+#include <QGraphicsItemAnimation>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QDialog>
+#include <QVBoxLayout>
+
+#include "QtSlideWindow.hh"
+#include "QtGraphicsButton.hh"
+
+
+//== IMPLEMENTATION ==========================================================
+
+QtSlideWindow::QtSlideWindow(QString _name, QGraphicsItem *_parent) :
+  QGraphicsProxyWidget(_parent),
+  name_(_name),
+  mainWidget_(0),
+  autohideButton_(0),
+  detachButton_(0),
+  hideAnimation_(0),
+  dialog_(0)
+{
+  setCacheMode (QGraphicsItem::DeviceCoordinateCache);
+  setWindowFrameMargins (2, 15, 2, 2);
+  setZValue (2.0);
+
+  QImage autohide (OpenFlipper::Options::iconDirStr () + OpenFlipper::Options::dirSeparator () + "button-autohide.png");
+  QImage detach (OpenFlipper::Options::iconDirStr () + OpenFlipper::Options::dirSeparator () + "button-detach.png");
+
+  autohideButton_ = new QtGraphicsButton (autohide, this, 12, 12);
+  detachButton_ = new QtGraphicsButton (detach, this, 12, 12);
+
+  autohideButton_->setCheckable (true);
+  autohideButton_->setChecked (true);
+  autohideButton_->setPos (geometry().width() - 12, -13);
+  detachButton_->setPos (geometry().width() - 25, -13);
+
+  connect (detachButton_, SIGNAL(pressed ()), this, SLOT(detachPressed ()));
+  connect (autohideButton_, SIGNAL(pressed ()), this, SLOT(autohidePressed ()));
+
+  hideTimeLine_ = new QTimeLine (SLIDE_DURATION);
+  hideTimeLine_->setFrameRange (0, 100);
+  
+  hideAnimation_ = new QGraphicsItemAnimation;
+  hideAnimation_->setItem (this);
+  hideAnimation_->setTimeLine (hideTimeLine_);
+
+  for (int i = 0; i < geometry ().height (); ++i)
+    hideAnimation_->setTranslationAt (i / geometry ().height (), 0, geometry ().height () - i);
+
+  hide ();
+}
+
+//-----------------------------------------------------------------------------
+
+void QtSlideWindow::attachWidget (QWidget *_m)
+{
+  if (!_m)
+    return;
+
+  mainWidget_ = _m;
+  mainWidget_->setParent(0);
+  setWidget (mainWidget_);
+  setWindowFlags(Qt::Window | Qt::CustomizeWindowHint | Qt::WindowTitleHint);
+
+  show ();
+  if (autohideButton_->isChecked ())
+  {
+    hideTimeLine_->setCurrentTime (0);
+    hideAnimation_->setStep (0.0);
+  }
+  else
+  {
+    hideTimeLine_->setCurrentTime (SLIDE_DURATION);
+    hideAnimation_->setStep (1.0);
+  }
+  updateGeometry ();
+}
+
+//-----------------------------------------------------------------------------
+
+void QtSlideWindow::detachWidget ()
+{
+  setWidget (0);
+  hide ();
+  mainWidget_->setParent(0);
+  mainWidget_ = 0;
+
+  if (dialog_)
+  {
+    disconnect (dialog_, SIGNAL(finished (int)), this, SLOT(dialogClosed ()));
+    dialog_->close ();
+    delete dialog_;
+    dialog_ = 0;
+  }
+}
+
+//-----------------------------------------------------------------------------
+
+void QtSlideWindow::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(Qt::NoPen);
+  _painter->drawRoundedRect(-2, -15, w + 4, h + 40, 4, 4);
+
+  _painter->setPen(Qt::SolidLine);
+
+  _painter->drawText(2,-13,w - 4, 11, Qt::AlignCenter, name_);
+
+}
+
+//-----------------------------------------------------------------------------
+
+bool QtSlideWindow::windowFrameEvent(QEvent *_e)
+{
+  if (_e->type() == QEvent::GraphicsSceneMousePress ||
+      _e->type() == QEvent::GraphicsSceneMouseRelease)
+  {
+    QGraphicsSceneMouseEvent *ge = dynamic_cast<QGraphicsSceneMouseEvent*>(_e);
+    if (windowFrameSectionAt(ge->pos()) != Qt::TopSection)
+    {
+      _e->accept();
+      return false;
+    }
+  }
+  return QGraphicsProxyWidget::windowFrameEvent(_e);
+}
+
+//-----------------------------------------------------------------------------
+
+Qt::WindowFrameSection QtSlideWindow::windowFrameSectionAt(const QPointF &_pos) const
+{
+  if (_pos.x() >= 2 && _pos.x() < geometry().width() - 2 - (13 * 2) &&
+      _pos.y() >= -15 && _pos.y() <= -10)
+  {
+    return Qt::TopSection;
+  }
+  return Qt::NoSection;
+}
+
+//-----------------------------------------------------------------------------
+
+void QtSlideWindow::hoverEnterEvent (QGraphicsSceneHoverEvent *)
+{
+  if (autohideButton_->isChecked ())
+  {
+    hideTimeLine_->setDirection (QTimeLine::Forward);
+    if (hideTimeLine_->state () == QTimeLine::NotRunning)
+      hideTimeLine_->start ();
+  }
+}
+
+//-----------------------------------------------------------------------------
+
+void QtSlideWindow::hoverLeaveEvent (QGraphicsSceneHoverEvent *)
+{
+  if (autohideButton_->isChecked ())
+  {
+    hideTimeLine_->setDirection (QTimeLine::Backward);
+    if (hideTimeLine_->state () == QTimeLine::NotRunning)
+      hideTimeLine_->start ();
+  }
+}
+
+//-----------------------------------------------------------------------------
+
+void QtSlideWindow::resizeEvent (QGraphicsSceneResizeEvent *_event)
+{
+  QGraphicsProxyWidget::resizeEvent (_event);
+  if (hideAnimation_)
+  {
+    hideAnimation_->clear ();
+    for (int i = 0; i < geometry ().height (); ++i)
+      hideAnimation_->setTranslationAt (i / geometry ().height (), 0, geometry ().height () - i);
+  }
+}