1 // File: QtxWorkstack.cxx
2 // Author: Sergey TELKOV
4 #include "QtxWorkstack.h"
11 #include <qsplitter.h>
12 #include <qpopupmenu.h>
13 #include <qobjectlist.h>
14 #include <qpushbutton.h>
15 #include <qwidgetstack.h>
16 #include <qapplication.h>
19 Class: QtxWorkstack [Public]
23 QtxWorkstack::QtxWorkstack( QWidget* parent )
28 QVBoxLayout* base = new QVBoxLayout( this );
29 mySplit = new QSplitter( this );
30 mySplit->setChildrenCollapsible( false );
31 base->addWidget( mySplit );
34 QtxWorkstack::~QtxWorkstack()
38 QWidgetList QtxWorkstack::windowList() const
40 QPtrList<QtxWorkstackArea> lst;
41 areas( mySplit, lst, true );
44 for ( QPtrListIterator<QtxWorkstackArea> it( lst ); it.current(); ++it )
46 QWidgetList wids = it.current()->widgetList();
47 for ( QWidgetListIt itr( wids ); itr.current(); ++itr )
48 widList.append( itr.current() );
54 QWidgetList QtxWorkstack::splitWindowList() const
56 return myArea ? myArea->widgetList() : QWidgetList();
59 QWidget* QtxWorkstack::activeWindow() const
64 void QtxWorkstack::split( const int o )
66 QtxWorkstackArea* area = activeArea();
70 if ( area->widgetList().count() < 2 )
73 QWidget* curWid = area->activeWidget();
77 QSplitter* s = splitter( area );
78 QPtrList<QtxWorkstackArea> areaList;
81 QPtrList<QSplitter> splitList;
82 splitters( s, splitList );
85 if ( areaList.count() + splitList.count() < 2 || s->orientation() == o )
89 trg = wrapSplitter( area );
94 trg->setOrientation( (Orientation)o );
96 QtxWorkstackArea* newArea = createArea( 0 );
97 insertWidget( newArea, trg, area );
99 area->removeWidget( curWid );
100 newArea->insertWidget( curWid );
106 void QtxWorkstack::splitVertical()
108 split( Qt::Vertical );
111 void QtxWorkstack::splitHorizontal()
113 split( Qt::Horizontal );
116 QSplitter* QtxWorkstack::wrapSplitter( QtxWorkstackArea* area )
121 QSplitter* pSplit = splitter( area );
125 bool upd = pSplit->isUpdatesEnabled();
126 pSplit->setUpdatesEnabled( false );
128 QIntList szList = pSplit->sizes();
130 QSplitter* wrap = new QSplitter( 0 );
131 #if defined QT_VERSION && QT_VERSION >= 0x30200
132 wrap->setChildrenCollapsible( false );
134 insertWidget( wrap, pSplit, area );
135 area->reparent( wrap, QPoint( 0, 0 ), true );
137 pSplit->setSizes( szList );
139 pSplit->setUpdatesEnabled( upd );
144 void QtxWorkstack::insertWidget( QWidget* wid, QWidget* pWid, QWidget* after )
149 QWidgetList moveList;
150 const QObjectList* lst = pWid->children();
154 for ( QObjectListIt it( *lst ); it.current(); ++it )
156 if ( found && ( it.current()->inherits( "QSplitter" ) ||
157 it.current()->inherits( "QtxWorkstackArea" ) ) )
158 moveList.append( (QWidget*)it.current() );
159 if ( it.current() == after )
164 QMap<QWidget*, bool> map;
165 for ( QWidgetListIt it( moveList ); it.current(); ++it )
167 map.insert( it.current(), it.current()->isVisibleTo( it.current()->parentWidget() ) );
168 it.current()->reparent( 0, QPoint( 0, 0 ), false );
171 wid->reparent( pWid, QPoint( 0, 0 ), true );
173 for ( QWidgetListIt itr( moveList ); itr.current(); ++itr )
174 itr.current()->reparent( pWid, QPoint( 0, 0 ), map.contains( itr.current() ) ? map[itr.current()] : false );
177 void QtxWorkstack::onPopupActivated( int id )
184 case SplitHorizontal:
188 if ( activeWindow() )
189 activeWindow()->close();
194 void QtxWorkstack::onDestroyed( QObject* obj )
196 QtxWorkstackArea* area = (QtxWorkstackArea*)obj;
198 if ( area == myArea )
203 QtxWorkstackArea* cur = neighbourArea( area );
208 QApplication::postEvent( this, new QCustomEvent( QEvent::User ) );
211 void QtxWorkstack::onWindowActivated( QWidget* wid )
213 const QObject* obj = sender();
214 if ( !obj->inherits( "QtxWorkstackArea" ) )
217 setActiveArea( (QtxWorkstackArea*)obj );
220 void QtxWorkstack::onDeactivated( QtxWorkstackArea* area )
222 if ( myArea != area )
225 QPtrList<QtxWorkstackArea> lst;
226 areas( mySplit, lst, true );
228 int idx = lst.find( area );
232 QtxWorkstackArea* newArea = neighbourArea( area );
236 QApplication::postEvent( this, new QCustomEvent( QEvent::User ) );
239 void QtxWorkstack::onContextMenuRequested( QPoint p )
244 QWidgetList lst = activeArea()->widgetList();
248 QPopupMenu* pm = new QPopupMenu();
249 connect( pm, SIGNAL( activated( int ) ), this, SLOT( onPopupActivated( int ) ) );
251 if ( lst.count() > 1 )
253 pm->insertItem( tr( "Split vertically" ), SplitVertical );
254 pm->insertItem( tr( "Split horizontally" ), SplitHorizontal );
255 pm->insertSeparator();
257 pm->insertItem( tr( "Close" ), Close );
264 void QtxWorkstack::childEvent( QChildEvent* e )
266 if ( e->inserted() && e->child()->isWidgetType() )
268 QWidget* w = (QWidget*)e->child();
269 if ( w && w != mySplit )
271 targetArea()->insertWidget( w );
275 QWidget::childEvent( e );
278 void QtxWorkstack::customEvent( QCustomEvent* e )
283 QSplitter* QtxWorkstack::splitter( QtxWorkstackArea* area ) const
288 QSplitter* split = 0;
290 QWidget* wid = area->parentWidget();
291 if ( wid && wid->inherits( "QSplitter" ) )
292 split = (QSplitter*)wid;
297 void QtxWorkstack::splitters( QSplitter* split, QPtrList<QSplitter>& splitList, const bool rec ) const
302 const QObjectList* objs = split->children();
305 for ( QObjectListIt it( *objs ); it.current(); ++it )
308 splitters( (QSplitter*)it.current(), splitList, rec );
309 if ( it.current()->inherits( "QSplitter" ) )
310 splitList.append( (QSplitter*)it.current() );
315 void QtxWorkstack::areas( QSplitter* split, QPtrList<QtxWorkstackArea>& areaList, const bool rec ) const
320 const QObjectList* objs = split->children();
323 for ( QObjectListIt it( *objs ); it.current(); ++it )
325 if ( it.current()->inherits( "QtxWorkstackArea" ) )
326 areaList.append( (QtxWorkstackArea*)it.current() );
327 else if ( rec && it.current()->inherits( "QSplitter" ) )
328 areas( (QSplitter*)it.current(), areaList, rec );
333 QtxWorkstackArea* QtxWorkstack::activeArea() const
338 QtxWorkstackArea* QtxWorkstack::targetArea()
340 QtxWorkstackArea* area = activeArea();
342 area = currentArea();
345 QPtrList<QtxWorkstackArea> lst;
346 areas( mySplit, lst );
347 if ( !lst.isEmpty() )
352 area = createArea( mySplit );
357 QtxWorkstackArea* QtxWorkstack::currentArea() const
359 QtxWorkstackArea* area = 0;
360 QWidget* wid = focusWidget();
361 while ( wid && !area )
363 if ( wid->inherits( "QtxWorkstackArea" ) )
364 area = (QtxWorkstackArea*)wid;
365 wid = wid->parentWidget();
371 QtxWorkstackArea* QtxWorkstack::createArea( QWidget* parent ) const
373 QtxWorkstackArea* area = new QtxWorkstackArea( parent );
375 connect( area, SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
376 connect( area, SIGNAL( activated( QWidget* ) ), this, SLOT( onWindowActivated( QWidget* ) ) );
377 connect( area, SIGNAL( contextMenuRequested( QPoint ) ), this, SLOT( onContextMenuRequested( QPoint ) ) );
378 connect( area, SIGNAL( deactivated( QtxWorkstackArea* ) ), this, SLOT( onDeactivated( QtxWorkstackArea* ) ) );
383 void QtxWorkstack::setActiveArea( QtxWorkstackArea* area )
385 QWidget* oldCur = myWin;
387 QtxWorkstackArea* oldArea = myArea;
391 if ( myArea != oldArea )
394 oldArea->updateActiveState();
396 myArea->updateActiveState();
400 myWin = myArea->activeWidget();
402 if ( myWin && oldCur != myWin )
403 emit windowActivated( myWin );
406 QtxWorkstackArea* QtxWorkstack::neighbourArea( QtxWorkstackArea* area ) const
408 QPtrList<QtxWorkstackArea> lst;
409 areas( mySplit, lst, true );
410 int pos = lst.find( area );
414 QtxWorkstackArea* na = 0;
415 for ( int i = pos - 1; i >= 0 && !na; i-- )
417 if ( !lst.at( i )->isEmpty() )
421 for ( int j = pos + 1; j < (int)lst.count() && !na; j++ )
423 if ( !lst.at( j )->isEmpty() )
429 QtxWorkstackArea* QtxWorkstack::areaAt( const QPoint& p ) const
431 QtxWorkstackArea* area = 0;
432 QPtrList<QtxWorkstackArea> lst;
433 areas( mySplit, lst, true );
434 for ( QPtrListIterator<QtxWorkstackArea> it( lst ); it.current() && !area; ++it )
436 QtxWorkstackArea* cur = it.current();
437 QRect r = cur->geometry();
438 if ( cur->parentWidget() )
439 r = QRect( cur->parentWidget()->mapToGlobal( r.topLeft() ), r.size() );
440 if ( r.contains( p ) )
446 void QtxWorkstack::updateState()
448 updateState( mySplit );
451 void QtxWorkstack::updateState( QSplitter* split )
453 QPtrList<QSplitter> recList;
454 splitters( split, recList, false );
455 for ( QPtrListIterator<QSplitter> itr( recList ); itr.current(); ++itr )
456 updateState( itr.current() );
458 QPtrList<QSplitter> splitList;
459 splitters( split, splitList, false );
461 QPtrList<QtxWorkstackArea> areaList;
462 areas( split, areaList, false );
465 for ( QPtrListIterator<QtxWorkstackArea> it( areaList ); it.current(); ++it )
467 if ( it.current()->isEmpty() )
468 it.current()->hide();
471 it.current()->show();
476 if ( split == mySplit )
479 if ( areaList.isEmpty() && splitList.isEmpty() )
488 Class: QtxWorkstackArea [Internal]
492 QtxWorkstackArea::QtxWorkstackArea( QWidget* parent )
495 QVBoxLayout* base = new QVBoxLayout( this );
497 QHBox* top = new QHBox( this );
498 base->addWidget( top );
500 myBar = new QtxWorkstackTabBar( top );
502 QPushButton* close = new QPushButton( top );
503 close->setPixmap( style().stylePixmap( QStyle::SP_TitleBarCloseButton ) );
504 close->setAutoDefault( true );
505 close->setFlat( true );
508 top->setStretchFactor( myBar, 1 );
510 myStack = new QWidgetStack( this );
512 base->addWidget( myStack, 1 );
514 connect( myClose, SIGNAL( clicked() ), this, SLOT( onClose() ) );
515 connect( myBar, SIGNAL( selected( int ) ), this, SLOT( onSelected( int ) ) );
516 connect( myBar, SIGNAL( dragActiveTab() ), this, SLOT( onDragActiveTab() ) );
517 connect( myBar, SIGNAL( contextMenuRequested( QPoint ) ), this, SIGNAL( contextMenuRequested( QPoint ) ) );
523 qApp->installEventFilter( this );
526 QtxWorkstackArea::~QtxWorkstackArea()
528 qApp->removeEventFilter( this );
531 bool QtxWorkstackArea::isEmpty() const
534 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end() && !res; ++it )
539 void QtxWorkstackArea::insertWidget( QWidget* wid, const int idx )
544 int pos = myList.find( wid );
545 if ( pos != -1 && ( pos == idx || ( idx < 0 && pos == (int)myList.count() - 1 ) ) )
548 myList.removeRef( wid );
549 pos = idx < 0 ? myList.count() : idx;
550 myList.insert( QMIN( pos, (int)myList.count() ), wid );
551 if ( !myInfo.contains( wid ) )
553 QtxWorkstackChild* child = new QtxWorkstackChild( wid, myStack );
554 myChild.insert( wid, child );
555 myInfo.insert( wid, WidgetInfo() );
556 myInfo[wid].id = generateId();
557 myInfo[wid].vis = wid->isVisibleTo( wid->parentWidget() );
559 connect( child, SIGNAL( destroyed( QObject* ) ), this, SLOT( onChildDestroyed( QObject* ) ) );
560 connect( child, SIGNAL( shown( QtxWorkstackChild* ) ), this, SLOT( onChildShown( QtxWorkstackChild* ) ) );
561 connect( child, SIGNAL( hided( QtxWorkstackChild* ) ), this, SLOT( onChildHided( QtxWorkstackChild* ) ) );
562 connect( child, SIGNAL( activated( QtxWorkstackChild* ) ), this, SLOT( onChildActivated( QtxWorkstackChild* ) ) );
563 connect( child, SIGNAL( captionChanged( QtxWorkstackChild* ) ), this, SLOT( onChildCaptionChanged( QtxWorkstackChild* ) ) );
568 setWidgetActive( wid );
571 void QtxWorkstackArea::removeWidget( QWidget* wid )
573 if ( !myList.contains( wid ) )
576 if ( myBar->tab( widgetId( wid ) ) )
577 myBar->removeTab( myBar->tab( widgetId( wid ) ) );
578 myStack->removeWidget( child( wid ) );
580 myList.remove( wid );
581 myInfo.remove( wid );
582 myChild.remove( wid );
586 if ( myList.isEmpty() )
592 QWidgetList QtxWorkstackArea::widgetList() const
595 for ( QWidgetListIt it( myList ); it.current(); ++it )
597 if ( widgetVisibility( it.current() ) )
598 lst.append( it.current() );
603 QWidget* QtxWorkstackArea::activeWidget() const
605 return widget( myBar->currentTab() );
608 void QtxWorkstackArea::setActiveWidget( QWidget* wid )
610 myBar->setCurrentTab( widgetId( wid ) );
613 bool QtxWorkstackArea::contains( QWidget* wid ) const
615 return myList.contains( wid );
618 void QtxWorkstackArea::show()
620 QMap<QWidget*, bool> map;
621 for ( QWidgetListIt it( myList ); it.current(); ++it )
623 map.insert( it.current(), isBlocked( it.current() ) );
624 setBlocked( it.current(), true );
629 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
630 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
633 void QtxWorkstackArea::hide()
635 QMap<QWidget*, bool> map;
636 for ( QWidgetListIt it( myList ); it.current(); ++it )
638 map.insert( it.current(), isBlocked( it.current() ) );
639 setBlocked( it.current(), true );
644 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
645 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
648 bool QtxWorkstackArea::isActive() const
650 QtxWorkstack* ws = workstack();
654 return ws->activeArea() == this;
657 void QtxWorkstackArea::updateActiveState()
659 myBar->setActive( isActive() );
662 QtxWorkstack* QtxWorkstackArea::workstack() const
664 QtxWorkstack* ws = 0;
665 QWidget* wid = parentWidget();
668 if ( wid->inherits( "QtxWorkstack" ) )
669 ws = (QtxWorkstack*)wid;
670 wid = wid->parentWidget();
675 bool QtxWorkstackArea::eventFilter( QObject* o, QEvent* e )
677 if ( o->isWidgetType() )
679 QWidget* wid = (QWidget*)o;
680 if ( e->type() == QEvent::FocusIn || e->type() == QEvent::MouseButtonPress )
683 while ( !ok && wid && wid != myClose )
686 wid = wid->parentWidget();
689 QApplication::postEvent( this, new QCustomEvent( (QEvent::Type)( e->type() == QEvent::FocusIn ? ActivateEvent : FocusEvent ) ) );
695 QRect QtxWorkstackArea::floatRect() const
697 QRect r = myStack->geometry();
698 return QRect( mapToGlobal( r.topLeft() ), mapToGlobal( r.bottomRight() ) );
701 QRect QtxWorkstackArea::floatTab( const int idx ) const
703 return myBar->tabRect( idx );
706 int QtxWorkstackArea::tabAt( const QPoint& p ) const
709 for ( int i = 0; i < myBar->count() && idx == -1; i++ )
711 QRect r = myBar->tabRect( i );
712 if ( r.isValid() && r.contains( p ) )
718 void QtxWorkstackArea::customEvent( QCustomEvent* e )
723 emit activated( activeWidget() );
726 if ( activeWidget() )
727 activeWidget()->setFocus();
730 removeWidget( (QWidget*)e->data() );
735 void QtxWorkstackArea::focusInEvent( QFocusEvent* e )
737 QWidget::focusInEvent( e );
739 emit activated( activeWidget() );
742 void QtxWorkstackArea::mousePressEvent( QMouseEvent* e )
744 QWidget::mousePressEvent( e );
746 emit activated( activeWidget() );
749 void QtxWorkstackArea::onClose()
751 QWidget* wid = activeWidget();
756 void QtxWorkstackArea::onSelected( int id )
760 emit activated( activeWidget() );
763 void QtxWorkstackArea::onDragActiveTab()
765 QtxWorkstackChild* c = child( activeWidget() );
769 new QtxWorkstackDrag( workstack(), c );
772 void QtxWorkstackArea::onChildDestroyed( QObject* obj )
774 QtxWorkstackChild* child = (QtxWorkstackChild*)obj;
775 myStack->removeWidget( child );
778 for ( ChildMap::ConstIterator it = myChild.begin(); it != myChild.end() && !wid; ++it )
780 if ( it.data() == child )
784 myChild.remove( wid );
786 QApplication::postEvent( this, new QCustomEvent( (QEvent::Type)RemoveEvent, wid ) );
789 void QtxWorkstackArea::onChildShown( QtxWorkstackChild* c )
791 setWidgetShown( c->widget(), true );
794 void QtxWorkstackArea::onChildHided( QtxWorkstackChild* c )
796 setWidgetShown( c->widget(), false );
799 void QtxWorkstackArea::onChildActivated( QtxWorkstackChild* c )
801 setWidgetActive( c->widget() );
804 void QtxWorkstackArea::onChildCaptionChanged( QtxWorkstackChild* c )
806 updateTab( c->widget() );
809 void QtxWorkstackArea::updateCurrent()
811 QMap<QWidget*, bool> map;
812 for ( QWidgetListIt it( myList ); it.current(); ++it )
814 map.insert( it.current(), isBlocked( it.current() ) );
815 setBlocked( it.current(), true );
818 myStack->raiseWidget( myBar->currentTab() );
820 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
821 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
824 void QtxWorkstackArea::updateTab( QWidget* wid )
826 QTab* tab = myBar->tab( widgetId( wid ) );
832 icoSet = QIconSet( *wid->icon() );
834 tab->setIconSet( icoSet );
835 tab->setText( wid->caption() );
838 QWidget* QtxWorkstackArea::widget( const int id ) const
841 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end() && !wid; ++it )
843 if ( it.data().id == id )
849 int QtxWorkstackArea::widgetId( QWidget* wid ) const
852 if ( myInfo.contains( wid ) )
857 bool QtxWorkstackArea::widgetVisibility( QWidget* wid ) const
860 if ( myInfo.contains( wid ) )
861 res = myInfo[wid].vis;
865 void QtxWorkstackArea::setWidgetActive( QWidget* wid )
867 int id = widgetId( wid );
871 myBar->setCurrentTab( id );
874 void QtxWorkstackArea::setWidgetShown( QWidget* wid, const bool on )
876 if ( isBlocked( wid ) || !myInfo.contains( wid ) || myInfo[wid].vis == on )
879 myInfo[wid].vis = on;
883 void QtxWorkstackArea::updateState()
885 bool updBar = myBar->isUpdatesEnabled();
886 bool updStk = myStack->isUpdatesEnabled();
887 myBar->setUpdatesEnabled( false );
888 myStack->setUpdatesEnabled( false );
890 bool block = myBar->signalsBlocked();
891 myBar->blockSignals( true );
893 QWidget* prev = activeWidget();
896 for ( QWidgetListIt it( myList ); it.current(); ++it )
898 QWidget* wid = it.current();
899 int id = widgetId( wid );
904 bool vis = widgetVisibility( wid );
906 if ( myBar->tab( id ) && ( !vis || myBar->indexOf( id ) != idx ) )
907 myBar->removeTab( myBar->tab( id ) );
909 if ( !myBar->tab( id ) && vis )
911 QTab* tab = new QTab( wid->caption() );
912 myBar->insertTab( tab, idx );
913 tab->setIdentifier( id );
918 bool block = isBlocked( wid );
919 setBlocked( wid, true );
921 QtxWorkstackChild* cont = child( wid );
924 myStack->removeWidget( cont );
925 else if ( !myStack->widget( id ) )
926 myStack->addWidget( cont, id );
931 setBlocked( wid, block );
934 int curId = widgetId( prev );
935 if ( !myBar->tab( curId ) )
938 int pos = myList.find( prev );
939 for ( int i = pos - 1; i >= 0 && !wid; i-- )
941 if ( widgetVisibility( myList.at( i ) ) )
942 wid = myList.at( i );
945 for ( int j = pos + 1; j < (int)myList.count() && !wid; j++ )
947 if ( widgetVisibility( myList.at( j ) ) )
948 wid = myList.at( j );
952 curId = widgetId( wid );
955 myBar->setCurrentTab( curId );
957 myBar->blockSignals( block );
961 myBar->setUpdatesEnabled( updBar );
962 myStack->setUpdatesEnabled( updStk );
968 QResizeEvent re( myBar->size(), myBar->size() );
969 QApplication::sendEvent( myBar, &re );
974 emit deactivated( this );
979 if ( prev != activeWidget() )
980 emit activated( activeWidget() );
984 int QtxWorkstackArea::generateId() const
988 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end(); ++it )
989 map.insert( it.data().id, 0 );
992 while ( map.contains( id ) )
998 bool QtxWorkstackArea::isBlocked( QWidget* wid ) const
1000 return myBlock.contains( wid );
1003 void QtxWorkstackArea::setBlocked( QWidget* wid, const bool on )
1006 myBlock.insert( wid, 0 );
1008 myBlock.remove( wid );
1011 QtxWorkstackChild* QtxWorkstackArea::child( QWidget* wid ) const
1013 QtxWorkstackChild* res = 0;
1014 if ( myChild.contains( wid ) )
1020 Class: QtxWorkstackChild [Internal]
1024 QtxWorkstackChild::QtxWorkstackChild( QWidget* wid, QWidget* parent )
1028 myWidget->reparent( this, QPoint( 0, 0 ), myWidget->isVisibleTo( myWidget->parentWidget() ) );
1029 myWidget->installEventFilter( this );
1031 connect( myWidget, SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
1034 QtxWorkstackChild::~QtxWorkstackChild()
1036 qApp->removeEventFilter( this );
1041 widget()->removeEventFilter( this );
1042 widget()->reparent( 0, QPoint( 0, 0 ), false );
1043 disconnect( widget(), SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
1046 QWidget* QtxWorkstackChild::widget() const
1051 bool QtxWorkstackChild::eventFilter( QObject* o, QEvent* e )
1053 if ( o->isWidgetType() )
1055 if ( e->type() == QEvent::CaptionChange || e->type() == QEvent::IconChange )
1056 emit captionChanged( this );
1058 if ( !e->spontaneous() && ( e->type() == QEvent::Show || e->type() == QEvent::ShowToParent ) )
1061 if ( !e->spontaneous() && ( e->type() == QEvent::Hide || e->type() == QEvent::HideToParent ) )
1064 if ( e->type() == QEvent::FocusIn )
1065 emit activated( this );
1067 return QHBox::eventFilter( o, e );
1070 void QtxWorkstackChild::onDestroyed( QObject* obj )
1072 if ( obj != widget() )
1079 void QtxWorkstackChild::childEvent( QChildEvent* e )
1081 if ( e->type() == QEvent::ChildRemoved && e->child() == widget() )
1086 QHBox::childEvent( e );
1090 Class: QtxWorkstackTabBar [Internal]
1094 QtxWorkstackTabBar::QtxWorkstackTabBar( QWidget* parent )
1095 : QTabBar( parent ),
1100 QtxWorkstackTabBar::~QtxWorkstackTabBar()
1104 void QtxWorkstackTabBar::setActive( const bool on )
1106 QFont aFont = font();
1107 aFont.setUnderline( on );
1113 QRect QtxWorkstackTabBar::tabRect( const int idx ) const
1116 QTab* t = tabAt( idx );
1120 r.setLeft( QMAX( r.left(), 0 ) );
1122 int x1 = tabAt( 0 )->rect().left();
1123 int x2 = tabAt( count() - 1 )->rect().right();
1126 if ( QABS( x2 - x1 ) > width() )
1127 #if defined QT_VERSION && QT_VERSION >= 0x30300
1128 bw = 2 * style().pixelMetric( QStyle::PM_TabBarScrollButtonWidth, this );
1133 int limit = width() - bw;
1134 r.setRight( QMIN( r.right(), limit ) );
1136 r = QRect( mapToGlobal( r.topLeft() ), r.size() );
1141 void QtxWorkstackTabBar::mouseMoveEvent( QMouseEvent* e )
1143 if ( myId != -1 && !tab( myId )->rect().contains( e->pos() ) )
1146 emit dragActiveTab();
1149 QTabBar::mouseMoveEvent( e );
1152 void QtxWorkstackTabBar::mousePressEvent( QMouseEvent* e )
1154 QTabBar::mousePressEvent( e );
1156 if ( e->button() == LeftButton )
1157 myId = currentTab();
1160 void QtxWorkstackTabBar::mouseReleaseEvent( QMouseEvent* e )
1162 QTabBar::mouseReleaseEvent( e );
1166 if ( e->button() == RightButton )
1167 emit contextMenuRequested( e->globalPos() );
1170 void QtxWorkstackTabBar::contextMenuEvent( QContextMenuEvent* e )
1172 if ( e->reason() != QContextMenuEvent::Mouse )
1173 emit contextMenuRequested( e->globalPos() );
1176 void QtxWorkstackTabBar::paintLabel( QPainter* p, const QRect& br, QTab* t, bool has_focus ) const
1178 if ( currentTab() != t->identifier() )
1180 QFont fnt = p->font();
1181 fnt.setUnderline( false );
1184 QTabBar::paintLabel( p, br, t, has_focus );
1188 Class: QtxWorkstackDrag [Internal]
1192 QtxWorkstackDrag::QtxWorkstackDrag( QtxWorkstack* ws, QtxWorkstackChild* child )
1200 qApp->installEventFilter( this );
1203 QtxWorkstackDrag::~QtxWorkstackDrag()
1205 qApp->removeEventFilter( this );
1210 bool QtxWorkstackDrag::eventFilter( QObject*, QEvent* e )
1212 switch ( e->type() )
1214 case QEvent::MouseMove:
1215 updateTarget( ((QMouseEvent*)e)->globalPos() );
1217 case QEvent::MouseButtonRelease:
1229 void QtxWorkstackDrag::updateTarget( const QPoint& p )
1232 QtxWorkstackArea* area = detectTarget( p, tab );
1233 setTarget( area, tab );
1236 QtxWorkstackArea* QtxWorkstackDrag::detectTarget( const QPoint& p, int& tab ) const
1241 QtxWorkstackArea* area = myWS->areaAt( p );
1243 tab = area->tabAt( p );
1247 void QtxWorkstackDrag::setTarget( QtxWorkstackArea* area, const int tab )
1249 if ( !area || ( myArea == area && tab == myTab ) )
1264 void QtxWorkstackDrag::dropWidget()
1267 myArea->insertWidget( myChild->widget(), myTab );
1270 void QtxWorkstackDrag::drawRect()
1272 if ( !myPainter || !myArea )
1275 QRect r = myArea->floatRect();
1276 int m = myPainter->pen().width();
1278 r.setTop( r.top() + m + 2 );
1279 r.setLeft( r.left() + m + 2 );
1280 r.setRight( r.right() - m - 2 );
1281 r.setBottom( r.bottom() - m - 2 );
1283 myPainter->drawRect( r );
1285 QRect tr = myArea->floatTab( myTab );
1286 tr.setTop( tr.top() + m );
1287 tr.setLeft( tr.left() + m );
1288 tr.setRight( tr.right() - m );
1289 tr.setBottom( tr.bottom() - m );
1291 myPainter->drawRect( tr );
1294 void QtxWorkstackDrag::endDrawRect()
1300 void QtxWorkstackDrag::startDrawRect()
1305 int scr = QApplication::desktop()->screenNumber( (QWidget*)this );
1306 QWidget* paint_on = QApplication::desktop()->screen( scr );
1308 myPainter = new QPainter( paint_on, true );
1309 myPainter->setPen( QPen( gray, 3 ) );
1310 myPainter->setRasterOp( XorROP );