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 if ( areaList.isEmpty() && splitList.isEmpty() )
503 Class: QtxWorkstackArea [Internal]
507 QtxWorkstackArea::QtxWorkstackArea( QWidget* parent )
510 QVBoxLayout* base = new QVBoxLayout( this );
512 QHBox* top = new QHBox( this );
513 base->addWidget( top );
515 myBar = new QtxWorkstackTabBar( top );
517 QPushButton* close = new QPushButton( top );
518 close->setPixmap( style().stylePixmap( QStyle::SP_TitleBarCloseButton ) );
519 close->setAutoDefault( true );
520 close->setFlat( true );
523 top->setStretchFactor( myBar, 1 );
525 myStack = new QWidgetStack( this );
527 base->addWidget( myStack, 1 );
529 connect( myClose, SIGNAL( clicked() ), this, SLOT( onClose() ) );
530 connect( myBar, SIGNAL( selected( int ) ), this, SLOT( onSelected( int ) ) );
531 connect( myBar, SIGNAL( dragActiveTab() ), this, SLOT( onDragActiveTab() ) );
532 connect( myBar, SIGNAL( contextMenuRequested( QPoint ) ), this, SIGNAL( contextMenuRequested( QPoint ) ) );
538 qApp->installEventFilter( this );
541 QtxWorkstackArea::~QtxWorkstackArea()
543 qApp->removeEventFilter( this );
546 bool QtxWorkstackArea::isEmpty() const
549 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end() && !res; ++it )
554 void QtxWorkstackArea::insertWidget( QWidget* wid, const int idx )
559 int pos = myList.find( wid );
560 if ( pos != -1 && ( pos == idx || ( idx < 0 && pos == (int)myList.count() - 1 ) ) )
563 myList.removeRef( wid );
564 pos = idx < 0 ? myList.count() : idx;
565 myList.insert( QMIN( pos, (int)myList.count() ), wid );
566 if ( !myInfo.contains( wid ) )
568 QtxWorkstackChild* child = new QtxWorkstackChild( wid, myStack );
569 myChild.insert( wid, child );
570 myInfo.insert( wid, WidgetInfo() );
571 myInfo[wid].id = generateId();
572 myInfo[wid].vis = wid->isVisibleTo( wid->parentWidget() );
574 connect( child, SIGNAL( destroyed( QObject* ) ), this, SLOT( onChildDestroyed( QObject* ) ) );
575 connect( child, SIGNAL( shown( QtxWorkstackChild* ) ), this, SLOT( onChildShown( QtxWorkstackChild* ) ) );
576 connect( child, SIGNAL( hided( QtxWorkstackChild* ) ), this, SLOT( onChildHided( QtxWorkstackChild* ) ) );
577 connect( child, SIGNAL( activated( QtxWorkstackChild* ) ), this, SLOT( onChildActivated( QtxWorkstackChild* ) ) );
578 connect( child, SIGNAL( captionChanged( QtxWorkstackChild* ) ), this, SLOT( onChildCaptionChanged( QtxWorkstackChild* ) ) );
583 setWidgetActive( wid );
586 void QtxWorkstackArea::removeWidget( QWidget* wid )
588 if ( !myList.contains( wid ) )
591 if ( myBar->tab( widgetId( wid ) ) )
592 myBar->removeTab( myBar->tab( widgetId( wid ) ) );
593 myStack->removeWidget( child( wid ) );
595 myList.remove( wid );
596 myInfo.remove( wid );
597 myChild.remove( wid );
601 if ( myList.isEmpty() )
607 QWidgetList QtxWorkstackArea::widgetList() const
610 for ( QWidgetListIt it( myList ); it.current(); ++it )
612 if ( widgetVisibility( it.current() ) )
613 lst.append( it.current() );
618 QWidget* QtxWorkstackArea::activeWidget() const
620 return widget( myBar->currentTab() );
623 void QtxWorkstackArea::setActiveWidget( QWidget* wid )
625 myBar->setCurrentTab( widgetId( wid ) );
628 bool QtxWorkstackArea::contains( QWidget* wid ) const
630 return myList.contains( wid );
633 void QtxWorkstackArea::show()
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 void QtxWorkstackArea::hide()
650 QMap<QWidget*, bool> map;
651 for ( QWidgetListIt it( myList ); it.current(); ++it )
653 map.insert( it.current(), isBlocked( it.current() ) );
654 setBlocked( it.current(), true );
659 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
660 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
663 bool QtxWorkstackArea::isActive() const
665 QtxWorkstack* ws = workstack();
669 return ws->activeArea() == this;
672 void QtxWorkstackArea::updateActiveState()
674 myBar->setActive( isActive() );
677 QtxWorkstack* QtxWorkstackArea::workstack() const
679 QtxWorkstack* ws = 0;
680 QWidget* wid = parentWidget();
683 if ( wid->inherits( "QtxWorkstack" ) )
684 ws = (QtxWorkstack*)wid;
685 wid = wid->parentWidget();
690 bool QtxWorkstackArea::eventFilter( QObject* o, QEvent* e )
692 if ( o->isWidgetType() )
694 QWidget* wid = (QWidget*)o;
695 if ( e->type() == QEvent::FocusIn || e->type() == QEvent::MouseButtonPress )
698 while ( !ok && wid && wid != myClose )
701 wid = wid->parentWidget();
704 QApplication::postEvent( this, new QCustomEvent( (QEvent::Type)( e->type() == QEvent::FocusIn ? ActivateEvent : FocusEvent ) ) );
710 QRect QtxWorkstackArea::floatRect() const
712 QRect r = myStack->geometry();
713 return QRect( mapToGlobal( r.topLeft() ), mapToGlobal( r.bottomRight() ) );
716 QRect QtxWorkstackArea::floatTab( const int idx ) const
718 return myBar->tabRect( idx );
721 int QtxWorkstackArea::tabAt( const QPoint& p ) const
724 for ( int i = 0; i < myBar->count() && idx == -1; i++ )
726 QRect r = myBar->tabRect( i );
727 if ( r.isValid() && r.contains( p ) )
733 void QtxWorkstackArea::customEvent( QCustomEvent* e )
738 emit activated( activeWidget() );
741 if ( activeWidget() )
742 activeWidget()->setFocus();
745 removeWidget( (QWidget*)e->data() );
750 void QtxWorkstackArea::focusInEvent( QFocusEvent* e )
752 QWidget::focusInEvent( e );
754 emit activated( activeWidget() );
757 void QtxWorkstackArea::mousePressEvent( QMouseEvent* e )
759 QWidget::mousePressEvent( e );
761 emit activated( activeWidget() );
764 void QtxWorkstackArea::onClose()
766 QWidget* wid = activeWidget();
771 void QtxWorkstackArea::onSelected( int id )
775 emit activated( activeWidget() );
778 void QtxWorkstackArea::onDragActiveTab()
780 QtxWorkstackChild* c = child( activeWidget() );
784 new QtxWorkstackDrag( workstack(), c );
787 void QtxWorkstackArea::onChildDestroyed( QObject* obj )
789 QtxWorkstackChild* child = (QtxWorkstackChild*)obj;
790 myStack->removeWidget( child );
793 for ( ChildMap::ConstIterator it = myChild.begin(); it != myChild.end() && !wid; ++it )
795 if ( it.data() == child )
799 myChild.remove( wid );
801 QApplication::postEvent( this, new QCustomEvent( (QEvent::Type)RemoveEvent, wid ) );
804 void QtxWorkstackArea::onChildShown( QtxWorkstackChild* c )
806 setWidgetShown( c->widget(), true );
809 void QtxWorkstackArea::onChildHided( QtxWorkstackChild* c )
811 setWidgetShown( c->widget(), false );
814 void QtxWorkstackArea::onChildActivated( QtxWorkstackChild* c )
816 setWidgetActive( c->widget() );
819 void QtxWorkstackArea::onChildCaptionChanged( QtxWorkstackChild* c )
821 updateTab( c->widget() );
824 void QtxWorkstackArea::updateCurrent()
826 QMap<QWidget*, bool> map;
827 for ( QWidgetListIt it( myList ); it.current(); ++it )
829 map.insert( it.current(), isBlocked( it.current() ) );
830 setBlocked( it.current(), true );
833 myStack->raiseWidget( myBar->currentTab() );
835 for ( QWidgetListIt itr( myList ); itr.current(); ++itr )
836 setBlocked( itr.current(), map.contains( itr.current() ) ? map[itr.current()] : false );
839 void QtxWorkstackArea::updateTab( QWidget* wid )
841 QTab* tab = myBar->tab( widgetId( wid ) );
847 icoSet = QIconSet( *wid->icon() );
849 tab->setIconSet( icoSet );
850 tab->setText( wid->caption() );
853 QWidget* QtxWorkstackArea::widget( const int id ) const
856 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end() && !wid; ++it )
858 if ( it.data().id == id )
864 int QtxWorkstackArea::widgetId( QWidget* wid ) const
867 if ( myInfo.contains( wid ) )
872 bool QtxWorkstackArea::widgetVisibility( QWidget* wid ) const
875 if ( myInfo.contains( wid ) )
876 res = myInfo[wid].vis;
880 void QtxWorkstackArea::setWidgetActive( QWidget* wid )
882 int id = widgetId( wid );
886 myBar->setCurrentTab( id );
889 void QtxWorkstackArea::setWidgetShown( QWidget* wid, const bool on )
891 if ( isBlocked( wid ) || !myInfo.contains( wid ) || myInfo[wid].vis == on )
894 myInfo[wid].vis = on;
898 void QtxWorkstackArea::updateState()
900 bool updBar = myBar->isUpdatesEnabled();
901 bool updStk = myStack->isUpdatesEnabled();
902 myBar->setUpdatesEnabled( false );
903 myStack->setUpdatesEnabled( false );
905 bool block = myBar->signalsBlocked();
906 myBar->blockSignals( true );
908 QWidget* prev = activeWidget();
911 for ( QWidgetListIt it( myList ); it.current(); ++it )
913 QWidget* wid = it.current();
914 int id = widgetId( wid );
919 bool vis = widgetVisibility( wid );
921 if ( myBar->tab( id ) && ( !vis || myBar->indexOf( id ) != idx ) )
922 myBar->removeTab( myBar->tab( id ) );
924 if ( !myBar->tab( id ) && vis )
926 QTab* tab = new QTab( wid->caption() );
927 myBar->insertTab( tab, idx );
928 tab->setIdentifier( id );
933 bool block = isBlocked( wid );
934 setBlocked( wid, true );
936 QtxWorkstackChild* cont = child( wid );
939 myStack->removeWidget( cont );
940 else if ( !myStack->widget( id ) )
941 myStack->addWidget( cont, id );
946 setBlocked( wid, block );
949 int curId = widgetId( prev );
950 if ( !myBar->tab( curId ) )
953 int pos = myList.find( prev );
954 for ( int i = pos - 1; i >= 0 && !wid; i-- )
956 if ( widgetVisibility( myList.at( i ) ) )
957 wid = myList.at( i );
960 for ( int j = pos + 1; j < (int)myList.count() && !wid; j++ )
962 if ( widgetVisibility( myList.at( j ) ) )
963 wid = myList.at( j );
967 curId = widgetId( wid );
970 myBar->setCurrentTab( curId );
972 myBar->blockSignals( block );
976 myBar->setUpdatesEnabled( updBar );
977 myStack->setUpdatesEnabled( updStk );
983 QResizeEvent re( myBar->size(), myBar->size() );
984 QApplication::sendEvent( myBar, &re );
989 emit deactivated( this );
994 if ( prev != activeWidget() )
995 emit activated( activeWidget() );
999 int QtxWorkstackArea::generateId() const
1003 for ( WidgetInfoMap::ConstIterator it = myInfo.begin(); it != myInfo.end(); ++it )
1004 map.insert( it.data().id, 0 );
1007 while ( map.contains( id ) )
1013 bool QtxWorkstackArea::isBlocked( QWidget* wid ) const
1015 return myBlock.contains( wid );
1018 void QtxWorkstackArea::setBlocked( QWidget* wid, const bool on )
1021 myBlock.insert( wid, 0 );
1023 myBlock.remove( wid );
1026 QtxWorkstackChild* QtxWorkstackArea::child( QWidget* wid ) const
1028 QtxWorkstackChild* res = 0;
1029 if ( myChild.contains( wid ) )
1035 Class: QtxWorkstackChild [Internal]
1039 QtxWorkstackChild::QtxWorkstackChild( QWidget* wid, QWidget* parent )
1043 myWidget->reparent( this, QPoint( 0, 0 ), myWidget->isVisibleTo( myWidget->parentWidget() ) );
1044 myWidget->installEventFilter( this );
1046 connect( myWidget, SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
1049 QtxWorkstackChild::~QtxWorkstackChild()
1051 qApp->removeEventFilter( this );
1056 widget()->removeEventFilter( this );
1057 widget()->reparent( 0, QPoint( 0, 0 ), false );
1058 disconnect( widget(), SIGNAL( destroyed( QObject* ) ), this, SLOT( onDestroyed( QObject* ) ) );
1061 QWidget* QtxWorkstackChild::widget() const
1066 bool QtxWorkstackChild::eventFilter( QObject* o, QEvent* e )
1068 if ( o->isWidgetType() )
1070 if ( e->type() == QEvent::CaptionChange || e->type() == QEvent::IconChange )
1071 emit captionChanged( this );
1073 if ( !e->spontaneous() && ( e->type() == QEvent::Show || e->type() == QEvent::ShowToParent ) )
1076 if ( !e->spontaneous() && ( e->type() == QEvent::Hide || e->type() == QEvent::HideToParent ) )
1079 if ( e->type() == QEvent::FocusIn )
1080 emit activated( this );
1082 return QHBox::eventFilter( o, e );
1085 void QtxWorkstackChild::onDestroyed( QObject* obj )
1087 if ( obj != widget() )
1094 void QtxWorkstackChild::childEvent( QChildEvent* e )
1096 if ( e->type() == QEvent::ChildRemoved && e->child() == widget() )
1101 QHBox::childEvent( e );
1105 Class: QtxWorkstackTabBar [Internal]
1109 QtxWorkstackTabBar::QtxWorkstackTabBar( QWidget* parent )
1110 : QTabBar( parent ),
1115 QtxWorkstackTabBar::~QtxWorkstackTabBar()
1119 void QtxWorkstackTabBar::setActive( const bool on )
1121 QFont aFont = font();
1122 aFont.setUnderline( on );
1128 QRect QtxWorkstackTabBar::tabRect( const int idx ) const
1131 QTab* t = tabAt( idx );
1135 r.setLeft( QMAX( r.left(), 0 ) );
1137 int x1 = tabAt( 0 )->rect().left();
1138 int x2 = tabAt( count() - 1 )->rect().right();
1141 if ( QABS( x2 - x1 ) > width() )
1142 #if defined QT_VERSION && QT_VERSION >= 0x30300
1143 bw = 2 * style().pixelMetric( QStyle::PM_TabBarScrollButtonWidth, this );
1148 int limit = width() - bw;
1149 r.setRight( QMIN( r.right(), limit ) );
1151 r = QRect( mapToGlobal( r.topLeft() ), r.size() );
1156 void QtxWorkstackTabBar::mouseMoveEvent( QMouseEvent* e )
1158 if ( myId != -1 && !tab( myId )->rect().contains( e->pos() ) )
1161 emit dragActiveTab();
1164 QTabBar::mouseMoveEvent( e );
1167 void QtxWorkstackTabBar::mousePressEvent( QMouseEvent* e )
1169 QTabBar::mousePressEvent( e );
1171 if ( e->button() == LeftButton )
1172 myId = currentTab();
1175 void QtxWorkstackTabBar::mouseReleaseEvent( QMouseEvent* e )
1177 QTabBar::mouseReleaseEvent( e );
1181 if ( e->button() == RightButton )
1182 emit contextMenuRequested( e->globalPos() );
1185 void QtxWorkstackTabBar::contextMenuEvent( QContextMenuEvent* e )
1187 if ( e->reason() != QContextMenuEvent::Mouse )
1188 emit contextMenuRequested( e->globalPos() );
1191 void QtxWorkstackTabBar::paintLabel( QPainter* p, const QRect& br, QTab* t, bool has_focus ) const
1193 if ( currentTab() != t->identifier() )
1195 QFont fnt = p->font();
1196 fnt.setUnderline( false );
1199 QTabBar::paintLabel( p, br, t, has_focus );
1203 Class: QtxWorkstackDrag [Internal]
1207 QtxWorkstackDrag::QtxWorkstackDrag( QtxWorkstack* ws, QtxWorkstackChild* child )
1215 qApp->installEventFilter( this );
1218 QtxWorkstackDrag::~QtxWorkstackDrag()
1220 qApp->removeEventFilter( this );
1225 bool QtxWorkstackDrag::eventFilter( QObject*, QEvent* e )
1227 switch ( e->type() )
1229 case QEvent::MouseMove:
1230 updateTarget( ((QMouseEvent*)e)->globalPos() );
1232 case QEvent::MouseButtonRelease:
1244 void QtxWorkstackDrag::updateTarget( const QPoint& p )
1247 QtxWorkstackArea* area = detectTarget( p, tab );
1248 setTarget( area, tab );
1251 QtxWorkstackArea* QtxWorkstackDrag::detectTarget( const QPoint& p, int& tab ) const
1256 QtxWorkstackArea* area = myWS->areaAt( p );
1258 tab = area->tabAt( p );
1262 void QtxWorkstackDrag::setTarget( QtxWorkstackArea* area, const int tab )
1264 if ( !area || ( myArea == area && tab == myTab ) )
1279 void QtxWorkstackDrag::dropWidget()
1282 myArea->insertWidget( myChild->widget(), myTab );
1285 void QtxWorkstackDrag::drawRect()
1287 if ( !myPainter || !myArea )
1290 QRect r = myArea->floatRect();
1291 int m = myPainter->pen().width();
1293 r.setTop( r.top() + m + 2 );
1294 r.setLeft( r.left() + m + 2 );
1295 r.setRight( r.right() - m - 2 );
1296 r.setBottom( r.bottom() - m - 2 );
1298 myPainter->drawRect( r );
1300 QRect tr = myArea->floatTab( myTab );
1301 tr.setTop( tr.top() + m );
1302 tr.setLeft( tr.left() + m );
1303 tr.setRight( tr.right() - m );
1304 tr.setBottom( tr.bottom() - m );
1306 myPainter->drawRect( tr );
1309 void QtxWorkstackDrag::endDrawRect()
1315 void QtxWorkstackDrag::startDrawRect()
1320 int scr = QApplication::desktop()->screenNumber( (QWidget*)this );
1321 QWidget* paint_on = QApplication::desktop()->screen( scr );
1323 myPainter = new QPainter( paint_on, true );
1324 myPainter->setPen( QPen( gray, 3 ) );
1325 myPainter->setRasterOp( XorROP );