void KTabBar::setTabEnabled( int id, bool enabled )
{
QTab * t = tab( id );
if ( t ) {
if ( t->isEnabled() != enabled ) {
t->setEnabled( enabled );
QRect r( t->rect() );
if ( !enabled && id == currentTab() && count()>1 ) {
int index = indexOf( id );
index += ( index+1 == count() ) ? -1 : 1;
t = tabAt( index );
if ( t->isEnabled() ) {
r = r.unite( t->rect() );
QPtrList<QTab> *tablist = tabList();
tablist->append( tablist->take( tablist->findRef( t ) ) );
emit selected( t->identifier() );
}
}
repaint( r );
}
}
}
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 );
}
