示例#1
0
void KTabBar::mouseMoveEvent( QMouseEvent *event )
{
  if ( event->buttons() == Qt::LeftButton && !isMovable() ) {
    int tab = selectTab( event->pos() );
    if ( d->mDragSwitchTab && tab != d->mDragSwitchTab ) {
      d->mActivateDragSwitchTabTimer->stop();
      d->mDragSwitchTab = 0;
    }

    int delay = KGlobalSettings::dndEventDelay();
    QPoint newPos = event->pos();
    if ( newPos.x() > d->mDragStart.x() + delay || newPos.x() < d->mDragStart.x() - delay ||
         newPos.y() > d->mDragStart.y() + delay || newPos.y() < d->mDragStart.y() - delay ) {
      if ( tab != -1 ) {
        emit initiateDrag( tab );
        return;
      }
    }
  } else if ( event->buttons() == Qt::MidButton && !isMovable() ) {
    if ( d->mReorderStartTab == -1 ) {
      int delay = KGlobalSettings::dndEventDelay();
      QPoint newPos = event->pos();

      if ( newPos.x() > d->mDragStart.x() + delay || newPos.x() < d->mDragStart.x() - delay ||
           newPos.y() > d->mDragStart.y() + delay || newPos.y() < d->mDragStart.y() - delay ) {
        int tab = selectTab( event->pos() );
        if ( tab != -1 && d->mTabReorderingEnabled ) {
          d->mReorderStartTab = tab;
          grabMouse( Qt::SizeAllCursor );
          return;
        }
      }
    } else {
      int tab = selectTab( event->pos() );
      if ( tab != -1 ) {
        int reorderStopTab = tab;
        if ( d->mReorderStartTab != reorderStopTab && d->mReorderPreviousTab != reorderStopTab ) {
          emit moveTab( d->mReorderStartTab, reorderStopTab );

          d->mReorderPreviousTab = d->mReorderStartTab;
          d->mReorderStartTab = reorderStopTab;

          return;
        }
      }
    }
  } else if ( event->button() == Qt::NoButton && event->buttons() == Qt::MidButton && isMovable() ) {
    // compatibility feature for old middle mouse tab moving
    d->mMiddleMouseTabMoveInProgress = true;
    event->accept();
    QMouseEvent fakedMouseEvent(event->type(), event->pos(), event->button(), Qt::LeftButton, event->modifiers());
    QCoreApplication::sendEvent(this, &fakedMouseEvent);
    return;
  }

  QTabBar::mouseMoveEvent( event );
}
示例#2
0
void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
  if(event->buttons() == Qt::LeftButton) {
    if(!_clickHandled && (event->scenePos() - _clickPos).toPoint().manhattanLength() >= QApplication::startDragDistance()) {
      if(_clickTimer.isActive())
        _clickTimer.stop();
      if(_clickMode == SingleClick && isPosOverSelection(_clickPos))
        initiateDrag(event->widget());
      else {
        _clickMode = DragStartClick;
        handleClick(Qt::LeftButton, _clickPos);
      }
      _clickMode = NoClick;
    }
    if(_isSelecting) {
      updateSelection(event->scenePos());
      emit mouseMoveWhileSelecting(event->scenePos());
      event->accept();
    } else if(_clickHandled && _clickMode < DoubleClick)
      QGraphicsScene::mouseMoveEvent(event);
  } else
    QGraphicsScene::mouseMoveEvent(event);
}
void KTabBar::mouseMoveEvent( QMouseEvent *e )
{
    if ( e->state() == LeftButton ) {
        QTab *tab = selectTab( e->pos() );
        if ( mDragSwitchTab && tab != mDragSwitchTab ) {
          mActivateDragSwitchTabTimer->stop();
          mDragSwitchTab = 0;
        }

        int delay = KGlobalSettings::dndEventDelay();
        QPoint newPos = e->pos();
        if( newPos.x() > mDragStart.x()+delay || newPos.x() < mDragStart.x()-delay ||
            newPos.y() > mDragStart.y()+delay || newPos.y() < mDragStart.y()-delay )
         {
            if( tab!= 0L ) {
                emit( initiateDrag( indexOf( tab->identifier() ) ) );
                return;
           }
       }
    }
    else if ( e->state() == MidButton ) {
        if (mReorderStartTab==-1) {
            int delay = KGlobalSettings::dndEventDelay();
            QPoint newPos = e->pos();
            if( newPos.x() > mDragStart.x()+delay || newPos.x() < mDragStart.x()-delay ||
                newPos.y() > mDragStart.y()+delay || newPos.y() < mDragStart.y()-delay )
            {
                QTab *tab = selectTab( e->pos() );
                if( tab!= 0L && mTabReorderingEnabled ) {
                    mReorderStartTab = indexOf( tab->identifier() );
                    grabMouse( sizeAllCursor );
                    return;
                }
            }
        }
        else {
            QTab *tab = selectTab( e->pos() );
            if( tab!= 0L ) {
                int reorderStopTab = indexOf( tab->identifier() );
                if ( mReorderStartTab!=reorderStopTab && mReorderPreviousTab!=reorderStopTab ) {
                    emit( moveTab( mReorderStartTab, reorderStopTab ) );
                    mReorderPreviousTab=mReorderStartTab;
                    mReorderStartTab=reorderStopTab;
                    return;
                }
            }
        }
    }

    if ( mHoverCloseButtonEnabled && mReorderStartTab==-1) {
        QTab *t = selectTab( e->pos() );

        //BEGIN Workaround
        //Qt3.2.0 (and 3.2.1) emit wrong local coordinates
        //for MouseMove events when the pointer leaves a widget. Discard those
        //to avoid enabling the wrong hover button
#ifdef __GNUC__
#warning "Workaround for Qt 3.2.0, 3.2.1 bug"
#endif
        if ( e->globalPos() != mapToGlobal( e->pos() ) )
            return;
        //END Workaround

        if( t && t->iconSet() && t->isEnabled() ) {
            QPixmap pixmap = t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal );
            QRect rect( 0, 0, pixmap.width() + 4, pixmap.height() +4);

            int xoff = 0, yoff = 0;
            // The additional offsets were found by try and error, TODO: find the rational behind them
            if ( t == tab( currentTab() ) ) {
#if QT_VERSION >= 0x030200
                xoff = style().pixelMetric( QStyle::PM_TabBarTabShiftHorizontal, this ) + 3;
                yoff = style().pixelMetric( QStyle::PM_TabBarTabShiftVertical, this ) - 4;
#else
                xoff = 3;
                yoff = -4;
#endif
            }
            else {
                xoff = 7;
                yoff = 0;
            }
            rect.moveLeft( t->rect().left() + 2 + xoff );
            rect.moveTop( t->rect().center().y()-pixmap.height()/2 + yoff );
            if ( rect.contains( e->pos() ) ) {
                if ( mHoverCloseButton ) {
                    if ( mHoverCloseButtonTab == t )
                        return;
                    mEnableCloseButtonTimer->stop();
                    delete mHoverCloseButton;
                }

                mHoverCloseButton = new QPushButton( this );
                mHoverCloseButton->setIconSet( KGlobal::iconLoader()->loadIcon("fileclose", KIcon::Toolbar, KIcon::SizeSmall, KIcon::ActiveState) );
                mHoverCloseButton->setGeometry( rect );
                QToolTip::add(mHoverCloseButton,i18n("Close this tab"));
                mHoverCloseButton->setFlat(true);
                mHoverCloseButton->show();
                if ( mHoverCloseButtonDelayed ) {
                  mHoverCloseButton->setEnabled(false);
                  mEnableCloseButtonTimer->start( QApplication::doubleClickInterval(), true );
                }
                mHoverCloseButtonTab = t;
                connect( mHoverCloseButton, SIGNAL( clicked() ), SLOT( closeButtonClicked() ) );
                return;
            }
        }
        if ( mHoverCloseButton ) {
            mEnableCloseButtonTimer->stop();
            delete mHoverCloseButton;
            mHoverCloseButton = 0;
        }
    }

    QTabBar::mouseMoveEvent( e );
}