VP1TabBar Class Reference

#include <VP1TabBar.h>

Inheritance diagram for VP1TabBar:

Collaboration diagram for VP1TabBar:

Classes
class	Private

Signals
void	contextMenu (int, const QPoint &)
void	mouseDoubleClick (int)
void	mouseMiddleClick (int)
void	initiateDrag (int)
void	testCanDecode (const QDragMoveEvent *, bool &)
void	receivedDropEvent (int, QDropEvent *)
void	moveTab (int, int)
void	closeRequest (int)
void	wheelDelta (int)

Public Member Functions
	VP1TabBar (QWidget *parent=0)
virtual	~VP1TabBar ()
void	setTabReorderingEnabled (bool enable)
bool	isTabReorderingEnabled () const
void	setTabCloseActivatePrevious (bool)
bool	tabCloseActivatePrevious () const
int	selectTab (const QPoint &position) const

Protected Slots
virtual void	activateDragSwitchTab ()

Protected Member Functions
virtual void	mouseDoubleClickEvent (QMouseEvent *event)
virtual void	mousePressEvent (QMouseEvent *event)
virtual void	mouseMoveEvent (QMouseEvent *event)
virtual void	mouseReleaseEvent (QMouseEvent *event)
virtual void	wheelEvent (QWheelEvent *event)
virtual void	dragEnterEvent (QDragEnterEvent *event)
virtual void	dragMoveEvent (QDragMoveEvent *event)
virtual void	dropEvent (QDropEvent *event)
virtual void	tabLayoutChange ()

Private Attributes
Private *const	m_d

Detailed Description

Definition at line 41 of file VP1TabBar.h.

Constructor & Destructor Documentation

VP1TabBar()

VP1TabBar::VP1TabBar ( QWidget *  parent = 0 )

explicit

Definition at line 66 of file VP1TabBar.cxx.

    : QTabBar( parent ),
      m_d( new Private )
{
  setAcceptDrops( true );
  setMouseTracking( true );
 
  //m_d->mEnableCloseButtonTimer = new QTimer( this );
  //connect( m_d->mEnableCloseButtonTimer, SIGNAL( timeout() ), SLOT( enableCloseButton() ) );
 
  m_d->mActivateDragSwitchTabTimer = new QTimer( this );
  m_d->mActivateDragSwitchTabTimer->setSingleShot( true );
  connect( m_d->mActivateDragSwitchTabTimer, &QTimer::timeout , this, &VP1TabBar::activateDragSwitchTab );
 
  //connect( this, SIGNAL( layoutChanged() ), SLOT( onLayoutChange() ) );
}

~VP1TabBar()

VP1TabBar::~VP1TabBar ( )

virtual

Definition at line 83 of file VP1TabBar.cxx.

{
  delete m_d;
}

Member Function Documentation

activateDragSwitchTab

void VP1TabBar::activateDragSwitchTab ( )

protectedvirtualslot

Definition at line 170 of file VP1TabBar.cxx.

{
  int tab = selectTab( mapFromGlobal( QCursor::pos() ) );
  if ( tab != -1 && m_d->mDragSwitchTab == tab )
    setCurrentIndex( m_d->mDragSwitchTab );
 
  m_d->mDragSwitchTab = 0;
}

closeRequest

void VP1TabBar::closeRequest ( int  )

signal

contextMenu

void VP1TabBar::contextMenu ( int  , const QPoint &    )

signal

dragEnterEvent()

void VP1TabBar::dragEnterEvent ( QDragEnterEvent *  event )

protectedvirtual

Definition at line 199 of file VP1TabBar.cxx.

{
  event->setAccepted( true );
  QTabBar::dragEnterEvent( event );
}

dragMoveEvent()

void VP1TabBar::dragMoveEvent ( QDragMoveEvent *  event )

protectedvirtual

Definition at line 205 of file VP1TabBar.cxx.

{
  int tab = selectTab( event->pos() );
  if ( tab != -1 ) {
    bool accept = false;
    // The receivers of the testCanDecode() signal has to adjust
    // 'accept' accordingly.
    emit testCanDecode( event, accept );
    if ( accept && tab != currentIndex() ) {
      m_d->mDragSwitchTab = tab;
      m_d->mActivateDragSwitchTabTimer->start( QApplication::doubleClickInterval() * 2 );
    }
 
    event->setAccepted( accept );
    return;
  }
 
  event->setAccepted( false );
  QTabBar::dragMoveEvent( event );
}

dropEvent()

void VP1TabBar::dropEvent ( QDropEvent *  event )

protectedvirtual

Definition at line 226 of file VP1TabBar.cxx.

{
  int tab = selectTab( event->pos() );
  if ( tab != -1 ) {
    m_d->mActivateDragSwitchTabTimer->stop();
    m_d->mDragSwitchTab = 0;
    emit receivedDropEvent( tab , event );
    return;
  }
 
  QTabBar::dropEvent( event );
}

initiateDrag

void VP1TabBar::initiateDrag ( int  )

signal

isTabReorderingEnabled()

bool VP1TabBar::isTabReorderingEnabled

(

)

const

Definition at line 246 of file VP1TabBar.cxx.

{
  return m_d->mTabReorderingEnabled;
}

mouseDoubleClick

void VP1TabBar::mouseDoubleClick ( int  )

signal

mouseDoubleClickEvent()

void VP1TabBar::mouseDoubleClickEvent ( QMouseEvent *  event )

protectedvirtual

Definition at line 88 of file VP1TabBar.cxx.

{
  if ( event->button() != Qt::LeftButton )
    return;
 
  int tab = selectTab( event->pos() );
  if ( tab != -1 ) {
    emit mouseDoubleClick( tab );
    return;
  }
 
  QTabBar::mouseDoubleClickEvent( event );
}

mouseMiddleClick

void VP1TabBar::mouseMiddleClick ( int  )

signal

mouseMoveEvent()

void VP1TabBar::mouseMoveEvent ( QMouseEvent *  event )

protectedvirtual

Definition at line 118 of file VP1TabBar.cxx.

{
  if ( event->buttons() == Qt::LeftButton ) {
    int tab = selectTab( event->pos() );
    if ( m_d->mDragSwitchTab && tab != m_d->mDragSwitchTab ) {
      m_d->mActivateDragSwitchTabTimer->stop();
      m_d->mDragSwitchTab = 0;
    }
 
    int delay = 5;//TK fixme KGlobalSettings::dndEventDelay();
    QPoint newPos = event->pos();
    if ( newPos.x() > m_d->mDragStart.x() + delay || newPos.x() < m_d->mDragStart.x() - delay ||
         newPos.y() > m_d->mDragStart.y() + delay || newPos.y() < m_d->mDragStart.y() - delay ) {
      if ( tab != -1 ) {
        emit initiateDrag( tab );
        return;
      }
    }
  } else if ( event->buttons() == Qt::MiddleButton ) {
    if ( m_d->mReorderStartTab == -1 ) {
      int delay = 5;//TK fixme KGlobalSettings::dndEventDelay();
      QPoint newPos = event->pos();
 
      if ( newPos.x() > m_d->mDragStart.x() + delay || newPos.x() < m_d->mDragStart.x() - delay ||
           newPos.y() > m_d->mDragStart.y() + delay || newPos.y() < m_d->mDragStart.y() - delay ) {
        int tab = selectTab( event->pos() );
        if ( tab != -1 && m_d->mTabReorderingEnabled ) {
          m_d->mReorderStartTab = tab;
          grabMouse( Qt::SizeAllCursor );
          return;
        }
      }
    } else {
      int tab = selectTab( event->pos() );
      if ( tab != -1 ) {
        int reorderStopTab = tab;
        if ( m_d->mReorderStartTab != reorderStopTab && m_d->mReorderPreviousTab != reorderStopTab ) {
          emit moveTab( m_d->mReorderStartTab, reorderStopTab );
 
          m_d->mReorderPreviousTab = m_d->mReorderStartTab;
          m_d->mReorderStartTab = reorderStopTab;
 
          return;
        }
      }
    }
  }
 
  QTabBar::mouseMoveEvent( event );
}

mousePressEvent()

void VP1TabBar::mousePressEvent ( QMouseEvent *  event )

protectedvirtual

Definition at line 102 of file VP1TabBar.cxx.

{
  if ( event->button() == Qt::LeftButton ) {
    //m_d->mEnableCloseButtonTimer->stop();
    m_d->mDragStart = event->pos();
  } else if( event->button() == Qt::RightButton ) {
    int tab = selectTab( event->pos() );
    if ( tab != -1 ) {
      emit contextMenu( tab, mapToGlobal( event->pos() ) );
      return;
    }
  }
 
  QTabBar::mousePressEvent( event );
}

mouseReleaseEvent()

void VP1TabBar::mouseReleaseEvent ( QMouseEvent *  event )

protectedvirtual

Definition at line 179 of file VP1TabBar.cxx.

{
  if ( event->button() == Qt::MiddleButton ) {
    if ( m_d->mReorderStartTab == -1 ) {
      int tab = selectTab( event->pos() );
      if ( tab != -1 ) {
        emit mouseMiddleClick( tab );
        return;
      }
    } else {
      releaseMouse();
      setCursor( Qt::ArrowCursor );
      m_d->mReorderStartTab = -1;
      m_d->mReorderPreviousTab = -1;
    }
  }
 
  QTabBar::mouseReleaseEvent( event );
}

moveTab

void VP1TabBar::moveTab ( int  , int    )

signal

receivedDropEvent

void VP1TabBar::receivedDropEvent ( int  , QDropEvent *    )

signal

selectTab()

int VP1TabBar::selectTab

(

const QPoint &

position

)

const

Definition at line 273 of file VP1TabBar.cxx.

{
  for ( int i = 0; i < count(); ++i )
    if ( tabRect( i ).contains( pos ) )
      return i;
 
  return -1;
}

setTabCloseActivatePrevious()

void VP1TabBar::setTabCloseActivatePrevious

(

bool

on

)

Definition at line 261 of file VP1TabBar.cxx.

{
  m_d->mTabCloseActivatePrevious = on;
}

setTabReorderingEnabled()

void VP1TabBar::setTabReorderingEnabled

(

bool

enable

)

Definition at line 251 of file VP1TabBar.cxx.

{
  m_d->mTabReorderingEnabled = on;
}

tabCloseActivatePrevious()

bool VP1TabBar::tabCloseActivatePrevious

(

)

const

Definition at line 256 of file VP1TabBar.cxx.

{
  return m_d->mTabCloseActivatePrevious;
}

tabLayoutChange()

void VP1TabBar::tabLayoutChange ( )

protectedvirtual

Definition at line 267 of file VP1TabBar.cxx.

{
  m_d->mActivateDragSwitchTabTimer->stop();
  m_d->mDragSwitchTab = 0;
}

testCanDecode

void VP1TabBar::testCanDecode ( const QDragMoveEvent *  , bool &    )

signal

wheelDelta

void VP1TabBar::wheelDelta ( int  )

signal

wheelEvent()

void VP1TabBar::wheelEvent ( QWheelEvent *  event )

protectedvirtual

Definition at line 240 of file VP1TabBar.cxx.

{
  emit( wheelDelta( event->angleDelta().y() ) );
}

Member Data Documentation

m_d

Private* const VP1TabBar::m_d

private

Definition at line 94 of file VP1TabBar.h.

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The documentation for this class was generated from the following files:

• VP1TabBar.h
• VP1TabBar.cxx