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 );
102 distributeSpace( trg );
108 void QtxWorkstack::distributeSpace( QSplitter* split ) const
113 QIntList szList = split->sizes();
114 int size = ( split->orientation() == Horizontal ?
115 split->width() : split->height() ) / szList.count();
116 for ( QIntList::iterator it = szList.begin(); it != szList.end(); ++it )
118 split->setSizes( szList );
121 void QtxWorkstack::splitVertical()
123 split( Qt::Vertical );
126 void QtxWorkstack::splitHorizontal()
128 split( Qt::Horizontal );
131 QSplitter* QtxWorkstack::wrapSplitter( QtxWorkstackArea* area )
136 QSplitter* pSplit = splitter( area );
140 bool upd = pSplit->isUpdatesEnabled();
141 pSplit->setUpdatesEnabled( false );
143 QIntList szList = pSplit->sizes();
145 QSplitter* wrap = new QSplitter( 0 );
146 #if defined QT_VERSION && QT_VERSION >= 0x30200
147 wrap->setChildrenCollapsible( false );
149 insertWidget( wrap, pSplit, area );
150 area->reparent( wrap, QPoint( 0, 0 ), true );
152 pSplit->setSizes( szList );
154 pSplit->setUpdatesEnabled( upd );
159 void QtxWorkstack::insertWidget( QWidget* wid, QWidget* pWid, QWidget* after )
164 QWidgetList moveList;
165 const QObjectList* lst = pWid->children();
169 for ( QObjectListIt it( *lst ); it.current(); ++it )
171 if ( found && ( it.current()->inherits( "QSplitter" ) ||
172 it.current()->inherits( "QtxWorkstackArea" ) ) )
173 moveList.append( (QWidget*)it.current() );
174 if ( it.current() == after )
179 QMap<QWidget*, bool> map;
180 for ( QWidgetListIt it( moveList ); it.current(); ++it )
182 map.insert( it.current(), it.current()->isVisibleTo( it.current()->parentWidget() ) );
183 it.current()->reparent( 0, QPoint( 0, 0 ), false );
186 wid->reparent( pWid, QPoint( 0, 0 ), true );
188 for ( QWidgetListIt itr( moveList ); itr.current(); ++itr )
189 itr.current()->reparent( pWid, QPoint( 0, 0 ), map.contains( itr.current() ) ? map[itr.current()] : false );
192 void QtxWorkstack::onPopupActivated( int id )
199 case SplitHorizontal:
203 if ( activeWindow() )
204 activeWindow()->close();
209 void QtxWorkstack::onDestroyed( QObject* obj )
211 QtxWorkstackArea* area = (QtxWorkstackArea*)obj;
213 if ( area == myArea )
218 QtxWorkstackArea* cur = neighbourArea( area );
223 QApplication::postEvent( this, new QCustomEvent( QEvent::User ) );
226 void QtxWorkstack::onWindowActivated( QWidget* wid )
228 const QObject* obj = sender();
229 if ( !obj->inherits( "QtxWorkstackArea" ) )
232 setActiveArea( (QtxWorkstackArea*)obj );
235 void QtxWorkstack::onDeactivated( QtxWorkstackArea* area )
237 if ( myArea != area )
240 QPtrList<QtxWorkstackArea> lst;
241 areas( mySplit, lst, true );
243 int idx = lst.find( area );
247 QtxWorkstackArea* newArea = neighbourArea( area );
251 QApplication::postEvent( this, new QCustomEvent( QEvent::User ) );
254 void QtxWorkstack::onContextMenuRequested( QPoint p )
259 QWidgetList lst = activeArea()->widgetList();
263 QPopupMenu* pm = new QPopupMenu();
264 connect( pm, SIGNAL( activated( int ) ), this, SLOT( onPopupActivated( int ) ) );
266 if ( lst.count() > 1 )
268 pm->insertItem( tr( "Split vertically" ), SplitVertical );
269 pm->insertItem( tr( "Split horizontally" ), SplitHorizontal );
270 pm->insertSeparator();
272 pm->insertItem( tr( "Close" ), Close );
279 void QtxWorkstack::childEvent( QChildEvent* e )
281 if ( e->inserted() && e->child()->isWidgetType() )
283 QWidget* w = (QWidget*)e->child();
284 if ( w && w != mySplit )
286 targetArea()->insertWidget( w );
290 QWidget::childEvent( e );
293 void QtxWorkstack::customEvent( QCustomEvent* e )
298 QSplitter* QtxWorkstack::splitter( QtxWorkstackArea* area ) const
303 QSplitter* split = 0;
305 QWidget* wid = area->parentWidget();
306 if ( wid && wid->inherits( "QSplitter" ) )
307 split = (QSplitter*)wid;
312 void QtxWorkstack::splitters( QSplitter* split, QPtrList<QSplitter>& splitList, const bool rec ) const
317 const QObjectList* objs = split->children();
320 for ( QObjectListIt it( *objs ); it.current(); ++it )
323 splitters( (QSplitter*)it.current(), splitList, rec );
324 if ( it.current()->inherits( "QSplitter" ) )
325 splitList.append( (QSplitter*)it.current() );
330 void QtxWorkstack::areas( QSplitter* split, QPtrList<QtxWorkstackArea>& areaList, const bool rec ) const
335 const QObjectList* objs = split->children();
338 for ( QObjectListIt it( *objs ); it.current(); ++it )
340 if ( it.current()->inherits( "QtxWorkstackArea" ) )
341 areaList.append( (QtxWorkstackArea*)it.current() );
342 else if ( rec && it.current()->inherits( "QSplitter" ) )
343 areas( (QSplitter*)it.current(), areaList, rec );
348 QtxWorkstackArea* QtxWorkstack::activeArea() const
353 QtxWorkstackArea* QtxWorkstack::targetArea()
355 QtxWorkstackArea* area = activeArea();
357 area = currentArea();
360 QPtrList<QtxWorkstackArea> lst;
361 areas( mySplit, lst );
362 if ( !lst.isEmpty() )
367 area = createArea( mySplit );
372 QtxWorkstackArea* QtxWorkstack::currentArea() const
374 QtxWorkstackArea* area = 0;
375 QWidget* wid = focusWidget();
376 while ( wid && !area )
378 if ( wid->inherits( "QtxWorkstackArea" ) )
379 area = (QtxWorkstackArea*)wid;
380 wid = wid->parentWidget();
386 QtxWorkstackArea* QtxWorkstack::createArea( QWidget* parent ) const
388 QtxWorkstackArea* area = new QtxWorkstackArea( parent );
390 connect( area, SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
391 connect( area, SIGNAL( activated( QWidget* ) ), this, SLOT( onWindowActivated( QWidget* ) ) );
392 connect( area, SIGNAL( contextMenuRequested( QPoint ) ), this, SLOT( onContextMenuRequested( QPoint ) ) );
393 connect( area, SIGNAL( deactivated( QtxWorkstackArea* ) ), this, SLOT( onDeactivated( QtxWorkstackArea* ) ) );
398 void QtxWorkstack::setActiveArea( QtxWorkstackArea* area )
400 QWidget* oldCur = myWin;
402 QtxWorkstackArea* oldArea = myArea;
406 if ( myArea != oldArea )
409 oldArea->updateActiveState();
411 myArea->updateActiveState();
415 myWin = myArea->activeWidget();
417 if ( myWin && oldCur != myWin )
418 emit windowActivated( myWin );
421 QtxWorkstackArea* QtxWorkstack::neighbourArea( QtxWorkstackArea* area ) const
423 QPtrList<QtxWorkstackArea> lst;
424 areas( mySplit, lst, true );
425 int pos = lst.find( area );
429 QtxWorkstackArea* na = 0;
430 for ( int i = pos - 1; i >= 0 && !na; i-- )
432 if ( !lst.at( i )->isEmpty() )
436 for ( int j = pos + 1; j < (int)lst.count() && !na; j++ )
438 if ( !lst.at( j )->isEmpty() )
444 QtxWorkstackArea* QtxWorkstack::areaAt( const QPoint& p ) const
446 QtxWorkstackArea* area = 0;
447 QPtrList<QtxWorkstackArea> lst;
448 areas( mySplit, lst, true );
449 for ( QPtrListIterator<QtxWorkstackArea> it( lst ); it.current() && !area; ++it )
451 QtxWorkstackArea* cur = it.current();
452 QRect r = cur->geometry();
453 if ( cur->parentWidget() )
454 r = QRect( cur->parentWidget()->mapToGlobal( r.topLeft() ), r.size() );
455 if ( r.contains( p ) )
461 void QtxWorkstack::updateState()
463 updateState( mySplit );
466 void QtxWorkstack::updateState( QSplitter* split )
468 QPtrList<QSplitter> recList;
469 splitters( split, recList, false );
470 for ( QPtrListIterator<QSplitter> itr( recList ); itr.current(); ++itr )
471 updateState( itr.current() );
473 QPtrList<QSplitter> splitList;
474 splitters( split, splitList, false );
476 QPtrList<QtxWorkstackArea> areaList;
477 areas( split, areaList, false );
480 for ( QPtrListIterator<QtxWorkstackArea> it( areaList ); it.current(); ++it )
482 if ( it.current()->isEmpty() )
483 it.current()->hide();
486 it.current()->show();
491 if ( split == mySplit )
494 for ( QPtrListIterator<QSplitter> iter( splitList ); iter.current() && !vis; ++iter )
495 vis = iter.current()->isVisibleTo( iter.current()->parentWidget() );
497 if ( areaList.isEmpty() && splitList.isEmpty() )
506 Class: QtxWorkstackArea [Internal]
510 QtxWorkstackArea::QtxWorkstackArea( QWidget* parent )
513 QVBoxLayout* base = new QVBoxLayout( this );
515 QHBox* top = new QHBox( this );
516 base->addWidget( top );
518 myBar = new QtxWorkstackTabBar( top );
520 QPushButton* close = new QPushButton( top );
521 close->setPixmap( style().stylePixmap( QStyle::SP_TitleBarCloseButton ) );
522 close->setAutoDefault( true );
523 close->setFlat( true );
526 top->setStretchFactor( myBar, 1 );
528 myStack = new QWidgetStack( this );
530 base->addWidget( myStack, 1 );
532 connect( myClose, SIGNAL( clicked() ), this, SLOT( onClose() ) );
533 connect( myBar, SIGNAL( selected( int ) ), this, SLOT( onSelected( int ) ) );
534 connect( myBar, SIGNAL( dragActiveTab() ), this, SLOT( onDragActiveTab() ) );
535 connect( myBar, SIGNAL( contextMenuRequested( QPoint ) ), this, SIGNAL( contextMenuRequested( QPoint ) ) );
541 qApp->installEventFilter( this );
544 QtxWorkstackArea::~QtxWorkstackArea()
546 qApp->removeEventFilter( this );
549 bool QtxWorkstackArea::isEmpty() const
552 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end() && !res; ++it )
557 void QtxWorkstackArea::insertWidget( QWidget* wid, const int idx )
562 int pos = myList.find( wid );
563 if ( pos != -1 && ( pos == idx || ( idx < 0 && pos == (int)myList.count() - 1 ) ) )
566 myList.removeRef( wid );
567 pos = idx < 0 ? myList.count() : idx;
568 myList.insert( QMIN( pos, (int)myList.count() ), wid );
569 if ( !myInfo.contains( wid ) )
571 QtxWorkstackChild* child = new QtxWorkstackChild( wid, myStack );
572 myChild.insert( wid, child );
573 myInfo.insert( wid, WidgetInfo() );
574 myInfo[wid].id = generateId();
575 myInfo[wid].vis = wid->isVisibleTo( wid->parentWidget() );
577 connect( child, SIGNAL( destroyed( QObject* ) ), this, SLOT( onChildDestroyed( QObject* ) ) );
578 connect( child, SIGNAL( shown( QtxWorkstackChild* ) ), this, SLOT( onChildShown( QtxWorkstackChild* ) ) );
579 connect( child, SIGNAL( hided( QtxWorkstackChild* ) ), this, SLOT( onChildHided( QtxWorkstackChild* ) ) );
580 connect( child, SIGNAL( activated( QtxWorkstackChild* ) ), this, SLOT( onChildActivated( QtxWorkstackChild* ) ) );
581 connect( child, SIGNAL( captionChanged( QtxWorkstackChild* ) ), this, SLOT( onChildCaptionChanged( QtxWorkstackChild* ) ) );
586 setWidgetActive( wid );
589 void QtxWorkstackArea::removeWidget( QWidget* wid )
591 if ( !myList.contains( wid ) )
594 if ( myBar->tab( widgetId( wid ) ) )
595 myBar->removeTab( myBar->tab( widgetId( wid ) ) );
596 myStack->removeWidget( child( wid ) );
598 myList.remove( wid );
599 myInfo.remove( wid );
600 myChild.remove( wid );
604 if ( myList.isEmpty() )
610 QWidgetList QtxWorkstackArea::widgetList() const
613 for ( QWidgetListIt it( myList ); it.current(); ++it )
615 if ( widgetVisibility( it.current() ) )
616 lst.append( it.current() );
621 QWidget* QtxWorkstackArea::activeWidget() const
623 return widget( myBar->currentTab() );
626 void QtxWorkstackArea::setActiveWidget( QWidget* wid )
628 myBar->setCurrentTab( widgetId( wid ) );
631 bool QtxWorkstackArea::contains( QWidget* wid ) const
633 return myList.contains( wid );
636 void QtxWorkstackArea::show()
638 QMap<QWidget*, bool> map;
639 for ( QWidgetListIt it( myList ); it.current(); ++it )
641 map.insert( it.current(), isBlocked( it.current() ) );
642 setBlocked( it.current(), true );
647 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
648 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
651 void QtxWorkstackArea::hide()
653 QMap<QWidget*, bool> map;
654 for ( QWidgetListIt it( myList ); it.current(); ++it )
656 map.insert( it.current(), isBlocked( it.current() ) );
657 setBlocked( it.current(), true );
662 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
663 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
666 bool QtxWorkstackArea::isActive() const
668 QtxWorkstack* ws = workstack();
672 return ws->activeArea() == this;
675 void QtxWorkstackArea::updateActiveState()
677 myBar->setActive( isActive() );
680 QtxWorkstack* QtxWorkstackArea::workstack() const
682 QtxWorkstack* ws = 0;
683 QWidget* wid = parentWidget();
686 if ( wid->inherits( "QtxWorkstack" ) )
687 ws = (QtxWorkstack*)wid;
688 wid = wid->parentWidget();
693 bool QtxWorkstackArea::eventFilter( QObject* o, QEvent* e )
695 if ( o->isWidgetType() )
697 QWidget* wid = (QWidget*)o;
698 if ( e->type() == QEvent::FocusIn || e->type() == QEvent::MouseButtonPress )
701 while ( !ok && wid && wid != myClose )
704 wid = wid->parentWidget();
707 QApplication::postEvent( this, new QCustomEvent( (QEvent::Type)( e->type() == QEvent::FocusIn ? ActivateWidget : FocusWidget ) ) );
713 QRect QtxWorkstackArea::floatRect() const
715 QRect r = myStack->geometry();
716 return QRect( mapToGlobal( r.topLeft() ), mapToGlobal( r.bottomRight() ) );
719 QRect QtxWorkstackArea::floatTab( const int idx ) const
721 return myBar->tabRect( idx );
724 int QtxWorkstackArea::tabAt( const QPoint& p ) const
727 for ( int i = 0; i < myBar->count() && idx == -1; i++ )
729 QRect r = myBar->tabRect( i );
730 if ( r.isValid() && r.contains( p ) )
736 void QtxWorkstackArea::customEvent( QCustomEvent* e )
741 emit activated( activeWidget() );
744 if ( activeWidget() && !activeWidget()->focusWidget() )
745 activeWidget()->setFocus();
748 removeWidget( (QWidget*)e->data() );
753 void QtxWorkstackArea::focusInEvent( QFocusEvent* e )
755 QWidget::focusInEvent( e );
757 emit activated( activeWidget() );
760 void QtxWorkstackArea::mousePressEvent( QMouseEvent* e )
762 QWidget::mousePressEvent( e );
764 emit activated( activeWidget() );
767 void QtxWorkstackArea::onClose()
769 QWidget* wid = activeWidget();
774 void QtxWorkstackArea::onSelected( int id )
778 emit activated( activeWidget() );
781 void QtxWorkstackArea::onDragActiveTab()
783 QtxWorkstackChild* c = child( activeWidget() );
787 new QtxWorkstackDrag( workstack(), c );
790 void QtxWorkstackArea::onChildDestroyed( QObject* obj )
792 QtxWorkstackChild* child = (QtxWorkstackChild*)obj;
793 myStack->removeWidget( child );
796 for ( ChildMap::ConstIterator it = myChild.begin(); it != myChild.end() && !wid; ++it )
798 if ( it.data() == child )
802 myChild.remove( wid );
804 QApplication::postEvent( this, new QCustomEvent( (QEvent::Type)RemoveWidget, wid ) );
807 void QtxWorkstackArea::onChildShown( QtxWorkstackChild* c )
809 setWidgetShown( c->widget(), true );
812 void QtxWorkstackArea::onChildHided( QtxWorkstackChild* c )
814 setWidgetShown( c->widget(), false );
817 void QtxWorkstackArea::onChildActivated( QtxWorkstackChild* c )
819 setWidgetActive( c->widget() );
822 void QtxWorkstackArea::onChildCaptionChanged( QtxWorkstackChild* c )
824 updateTab( c->widget() );
827 void QtxWorkstackArea::updateCurrent()
829 QMap<QWidget*, bool> map;
830 for ( QWidgetListIt it( myList ); it.current(); ++it )
832 map.insert( it.current(), isBlocked( it.current() ) );
833 setBlocked( it.current(), true );
836 myStack->raiseWidget( myBar->currentTab() );
838 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
839 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
842 void QtxWorkstackArea::updateTab( QWidget* wid )
844 QTab* tab = myBar->tab( widgetId( wid ) );
850 icoSet = QIconSet( *wid->icon() );
852 tab->setIconSet( icoSet );
853 tab->setText( wid->caption() );
856 QWidget* QtxWorkstackArea::widget( const int id ) const
859 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end() && !wid; ++it )
861 if ( it.data().id == id )
867 int QtxWorkstackArea::widgetId( QWidget* wid ) const
870 if ( myInfo.contains( wid ) )
875 bool QtxWorkstackArea::widgetVisibility( QWidget* wid ) const
878 if ( myInfo.contains( wid ) )
879 res = myInfo[wid].vis;
883 void QtxWorkstackArea::setWidgetActive( QWidget* wid )
885 int id = widgetId( wid );
889 myBar->setCurrentTab( id );
892 void QtxWorkstackArea::setWidgetShown( QWidget* wid, const bool on )
894 if ( isBlocked( wid ) || !myInfo.contains( wid ) || myInfo[wid].vis == on )
897 myInfo[wid].vis = on;
901 void QtxWorkstackArea::updateState()
903 bool updBar = myBar->isUpdatesEnabled();
904 bool updStk = myStack->isUpdatesEnabled();
905 myBar->setUpdatesEnabled( false );
906 myStack->setUpdatesEnabled( false );
908 bool block = myBar->signalsBlocked();
909 myBar->blockSignals( true );
911 QWidget* prev = activeWidget();
914 for ( QWidgetListIt it( myList ); it.current(); ++it )
916 QWidget* wid = it.current();
917 int id = widgetId( wid );
922 bool vis = widgetVisibility( wid );
924 if ( myBar->tab( id ) && ( !vis || myBar->indexOf( id ) != idx ) )
925 myBar->removeTab( myBar->tab( id ) );
927 if ( !myBar->tab( id ) && vis )
929 QTab* tab = new QTab( wid->caption() );
930 myBar->insertTab( tab, idx );
931 tab->setIdentifier( id );
936 bool block = isBlocked( wid );
937 setBlocked( wid, true );
939 QtxWorkstackChild* cont = child( wid );
942 myStack->removeWidget( cont );
943 else if ( !myStack->widget( id ) )
944 myStack->addWidget( cont, id );
949 setBlocked( wid, block );
952 int curId = widgetId( prev );
953 if ( !myBar->tab( curId ) )
956 int pos = myList.find( prev );
957 for ( int i = pos - 1; i >= 0 && !wid; i-- )
959 if ( widgetVisibility( myList.at( i ) ) )
960 wid = myList.at( i );
963 for ( int j = pos + 1; j < (int)myList.count() && !wid; j++ )
965 if ( widgetVisibility( myList.at( j ) ) )
966 wid = myList.at( j );
970 curId = widgetId( wid );
973 myBar->setCurrentTab( curId );
975 myBar->blockSignals( block );
979 myBar->setUpdatesEnabled( updBar );
980 myStack->setUpdatesEnabled( updStk );
986 QResizeEvent re( myBar->size(), myBar->size() );
987 QApplication::sendEvent( myBar, &re );
992 emit deactivated( this );
997 if ( prev != activeWidget() )
998 emit activated( activeWidget() );
1002 int QtxWorkstackArea::generateId() const
1006 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end(); ++it )
1007 map.insert( it.data().id, 0 );
1010 while ( map.contains( id ) )
1016 bool QtxWorkstackArea::isBlocked( QWidget* wid ) const
1018 return myBlock.contains( wid );
1021 void QtxWorkstackArea::setBlocked( QWidget* wid, const bool on )
1024 myBlock.insert( wid, 0 );
1026 myBlock.remove( wid );
1029 QtxWorkstackChild* QtxWorkstackArea::child( QWidget* wid ) const
1031 QtxWorkstackChild* res = 0;
1032 if ( myChild.contains( wid ) )
1038 Class: QtxWorkstackChild [Internal]
1042 QtxWorkstackChild::QtxWorkstackChild( QWidget* wid, QWidget* parent )
1046 myWidget->reparent( this, QPoint( 0, 0 ), myWidget->isVisibleTo( myWidget->parentWidget() ) );
1047 myWidget->installEventFilter( this );
1049 connect( myWidget, SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
1052 QtxWorkstackChild::~QtxWorkstackChild()
1054 qApp->removeEventFilter( this );
1059 widget()->removeEventFilter( this );
1060 widget()->reparent( 0, QPoint( 0, 0 ), false );
1061 disconnect( widget(), SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
1064 QWidget* QtxWorkstackChild::widget() const
1069 bool QtxWorkstackChild::eventFilter( QObject* o, QEvent* e )
1071 if ( o->isWidgetType() )
1073 if ( e->type() == QEvent::CaptionChange || e->type() == QEvent::IconChange )
1074 emit captionChanged( this );
1076 if ( !e->spontaneous() && ( e->type() == QEvent::Show || e->type() == QEvent::ShowToParent ) )
1079 if ( !e->spontaneous() && ( e->type() == QEvent::Hide || e->type() == QEvent::HideToParent ) )
1082 if ( e->type() == QEvent::FocusIn )
1083 emit activated( this );
1085 return QHBox::eventFilter( o, e );
1088 void QtxWorkstackChild::onDestroyed( QObject* obj )
1090 if ( obj != widget() )
1097 void QtxWorkstackChild::childEvent( QChildEvent* e )
1099 if ( e->type() == QEvent::ChildRemoved && e->child() == widget() )
1104 QHBox::childEvent( e );
1108 Class: QtxWorkstackTabBar [Internal]
1112 QtxWorkstackTabBar::QtxWorkstackTabBar( QWidget* parent )
1113 : QTabBar( parent ),
1118 QtxWorkstackTabBar::~QtxWorkstackTabBar()
1122 void QtxWorkstackTabBar::setActive( const bool on )
1124 QFont aFont = font();
1125 aFont.setUnderline( on );
1131 QRect QtxWorkstackTabBar::tabRect( const int idx ) const
1134 QTab* t = tabAt( idx );
1138 r.setLeft( QMAX( r.left(), 0 ) );
1140 int x1 = tabAt( 0 )->rect().left();
1141 int x2 = tabAt( count() - 1 )->rect().right();
1144 if ( QABS( x2 - x1 ) > width() )
1145 #if defined QT_VERSION && QT_VERSION >= 0x30300
1146 bw = 2 * style().pixelMetric( QStyle::PM_TabBarScrollButtonWidth, this );
1151 int limit = width() - bw;
1152 r.setRight( QMIN( r.right(), limit ) );
1154 r = QRect( mapToGlobal( r.topLeft() ), r.size() );
1159 void QtxWorkstackTabBar::mouseMoveEvent( QMouseEvent* e )
1161 if ( myId != -1 && !tab( myId )->rect().contains( e->pos() ) )
1164 emit dragActiveTab();
1167 QTabBar::mouseMoveEvent( e );
1170 void QtxWorkstackTabBar::mousePressEvent( QMouseEvent* e )
1172 QTabBar::mousePressEvent( e );
1174 if ( e->button() == LeftButton )
1175 myId = currentTab();
1178 void QtxWorkstackTabBar::mouseReleaseEvent( QMouseEvent* e )
1180 QTabBar::mouseReleaseEvent( e );
1184 if ( e->button() == RightButton )
1185 emit contextMenuRequested( e->globalPos() );
1188 void QtxWorkstackTabBar::contextMenuEvent( QContextMenuEvent* e )
1190 if ( e->reason() != QContextMenuEvent::Mouse )
1191 emit contextMenuRequested( e->globalPos() );
1194 void QtxWorkstackTabBar::paintLabel( QPainter* p, const QRect& br, QTab* t, bool has_focus ) const
1196 if ( currentTab() != t->identifier() )
1198 QFont fnt = p->font();
1199 fnt.setUnderline( false );
1202 QTabBar::paintLabel( p, br, t, has_focus );
1206 Class: QtxWorkstackDrag [Internal]
1210 QtxWorkstackDrag::QtxWorkstackDrag( QtxWorkstack* ws, QtxWorkstackChild* child )
1218 qApp->installEventFilter( this );
1221 QtxWorkstackDrag::~QtxWorkstackDrag()
1223 qApp->removeEventFilter( this );
1228 bool QtxWorkstackDrag::eventFilter( QObject*, QEvent* e )
1230 switch ( e->type() )
1232 case QEvent::MouseMove:
1233 updateTarget( ((QMouseEvent*)e)->globalPos() );
1235 case QEvent::MouseButtonRelease:
1247 void QtxWorkstackDrag::updateTarget( const QPoint& p )
1250 QtxWorkstackArea* area = detectTarget( p, tab );
1251 setTarget( area, tab );
1254 QtxWorkstackArea* QtxWorkstackDrag::detectTarget( const QPoint& p, int& tab ) const
1259 QtxWorkstackArea* area = myWS->areaAt( p );
1261 tab = area->tabAt( p );
1265 void QtxWorkstackDrag::setTarget( QtxWorkstackArea* area, const int tab )
1267 if ( !area || ( myArea == area && tab == myTab ) )
1282 void QtxWorkstackDrag::dropWidget()
1285 myArea->insertWidget( myChild->widget(), myTab );
1288 void QtxWorkstackDrag::drawRect()
1290 if ( !myPainter || !myArea )
1293 QRect r = myArea->floatRect();
1294 int m = myPainter->pen().width();
1296 r.setTop( r.top() + m + 2 );
1297 r.setLeft( r.left() + m + 2 );
1298 r.setRight( r.right() - m - 2 );
1299 r.setBottom( r.bottom() - m - 2 );
1301 myPainter->drawRect( r );
1303 QRect tr = myArea->floatTab( myTab );
1304 tr.setTop( tr.top() + m );
1305 tr.setLeft( tr.left() + m );
1306 tr.setRight( tr.right() - m );
1307 tr.setBottom( tr.bottom() - m );
1309 myPainter->drawRect( tr );
1312 void QtxWorkstackDrag::endDrawRect()
1318 void QtxWorkstackDrag::startDrawRect()
1323 int scr = QApplication::desktop()->screenNumber( (QWidget*)this );
1324 QWidget* paint_on = QApplication::desktop()->screen( scr );
1326 myPainter = new QPainter( paint_on, true );
1327 myPainter->setPen( QPen( gray, 3 ) );
1328 myPainter->setRasterOp( XorROP );