22 #include "partmanager.h"
23 #include <kparts/event.h>
24 #include <kparts/part.h>
28 #include <tqapplication.h>
32 using namespace KParts;
34 template class TQPtrList<Part>;
38 class PartManagerPrivate
47 m_bAllowNestedParts =
false;
48 m_bIgnoreScrollBars =
false;
49 m_activationButtonMask = Qt::LeftButton | Qt::MidButton | Qt::RightButton;
50 m_reason = PartManager::NoReason;
55 void setReason( TQEvent* ev ) {
56 switch( ev->type() ) {
57 case TQEvent::MouseButtonPress:
58 case TQEvent::MouseButtonDblClick: {
59 TQMouseEvent* mev = TQT_TQMOUSEEVENT( ev );
60 m_reason = mev->button() == Qt::LeftButton
61 ? PartManager::ReasonLeftClick
62 : ( mev->button() == Qt::MidButton
63 ? PartManager::ReasonMidClick
64 : PartManager::ReasonRightClick );
67 case TQEvent::FocusIn:
68 m_reason = TQT_TQFOCUSEVENT( ev )->reason();
71 kdWarning(1000) <<
"PartManagerPrivate::setReason got unexpected ev type " << ev->type() <<
endl;
77 TQWidget *m_activeWidget;
79 TQPtrList<Part> m_parts;
84 TQWidget *m_selectedWidget;
86 TQPtrList<TQWidget> m_managedTopLevelWidgets;
87 short int m_activationButtonMask;
88 bool m_bIgnoreScrollBars;
89 bool m_bAllowNestedParts;
96 : TQObject( parent, name )
98 d =
new PartManagerPrivate;
100 tqApp->installEventFilter(
this );
102 d->m_policy = Direct;
108 : TQObject( parent, name )
110 d =
new PartManagerPrivate;
112 tqApp->installEventFilter(
this );
114 d->m_policy = Direct;
119 PartManager::~PartManager()
121 for ( TQPtrListIterator<TQWidget> it( d->m_managedTopLevelWidgets );
123 disconnect( it.current(), TQT_SIGNAL( destroyed() ),
124 this, TQT_SLOT( slotManagedTopLevelWidgetDestroyed() ) );
126 for ( TQPtrListIterator<Part> it( d->m_parts ); it.current(); ++it )
128 it.current()->setManager( 0 );
132 tqApp->removeEventFilter(
this );
138 d->m_policy = policy;
148 d->m_bAllowNestedParts = allow;
153 return d->m_bAllowNestedParts;
158 d->m_bIgnoreScrollBars = ignore;
163 return d->m_bIgnoreScrollBars;
168 d->m_activationButtonMask = buttonMask;
173 return d->m_activationButtonMask;
176 bool PartManager::eventFilter( TQObject *obj, TQEvent *ev )
179 if ( ev->type() != TQEvent::MouseButtonPress &&
180 ev->type() != TQEvent::MouseButtonDblClick &&
181 ev->type() != TQEvent::FocusIn )
184 if ( !obj->isWidgetType() )
187 TQWidget *w = TQT_TQWIDGET( obj );
189 if ( ( w->testWFlags( WType_Dialog ) && w->isModal() ) ||
190 w->testWFlags( WType_Popup ) || w->testWFlags( WStyle_Tool ) )
193 TQMouseEvent* mev = 0L;
194 if ( ev->type() == TQEvent::MouseButtonPress || ev->type() == TQEvent::MouseButtonDblClick )
196 mev = TQT_TQMOUSEEVENT( ev );
197 #ifdef DEBUG_PARTMANAGER
198 kdDebug(1000) <<
"PartManager::eventFilter button: " << mev->button() <<
" " <<
"d->m_activationButtonMask=" << d->m_activationButtonMask <<
endl;
200 if ( ( mev->button() & d->m_activationButtonMask ) == 0 )
209 if ( !d->m_managedTopLevelWidgets.containsRef( w->topLevelWidget() ) )
212 if ( d->m_bIgnoreScrollBars && w->inherits( TQSCROLLBAR_OBJECT_NAME_STRING ) )
217 pos = mev->globalPos();
218 part = findPartFromWidget( w, pos );
220 part = findPartFromWidget( w );
222 #ifdef DEBUG_PARTMANAGER
223 TQCString evType = ( ev->type() == TQEvent::MouseButtonPress ) ?
"MouseButtonPress"
224 : ( ev->type() == TQEvent::MouseButtonDblClick ) ?
"MouseButtonDblClick"
225 : ( ev->type() == TQEvent::FocusIn ) ?
"FocusIn" :
"OTHER! ERROR!";
229 if ( d->m_policy == PartManager::TriState )
231 if ( ev->type() == TQEvent::MouseButtonDblClick )
233 if ( part == d->m_activePart && w == d->m_activeWidget )
236 #ifdef DEBUG_PARTMANAGER
237 kdDebug(1000) <<
"PartManager::eventFilter dblclick -> setActivePart" << part <<
endl;
241 d->m_reason = NoReason;
245 if ( ( d->m_selectedWidget != w || d->m_selectedPart != part ) &&
246 ( d->m_activeWidget != w || d->m_activePart != part ) )
251 #ifdef DEBUG_PARTMANAGER
252 kdDebug(1000) <<
"Part " << part <<
" (non-selectable) made active because " << w->className() <<
" got event" <<
" " << evType <<
endl;
256 d->m_reason = NoReason;
260 else if ( d->m_selectedWidget == w && d->m_selectedPart == part )
262 #ifdef DEBUG_PARTMANAGER
263 kdDebug(1000) <<
"Part " << part <<
" made active (from selected) because " << w->className() <<
" got event" <<
" " << evType <<
endl;
267 d->m_reason = NoReason;
270 else if ( d->m_activeWidget == w && d->m_activePart == part )
278 else if ( part != d->m_activePart )
280 #ifdef DEBUG_PARTMANAGER
281 kdDebug(1000) <<
"Part " << part <<
" made active because " << w->className() <<
" got event" <<
" " << evType <<
endl;
285 d->m_reason = NoReason;
291 w = w->parentWidget();
293 if ( w && ( ( w->testWFlags( WType_Dialog ) && w->isModal() ) ||
294 w->testWFlags( WType_Popup ) || w->testWFlags( WStyle_Tool ) ) )
296 #ifdef DEBUG_PARTMANAGER
297 kdDebug(1000) << TQString(
"No part made active although %1/%2 got event - loop aborted").arg(obj->name()).arg(obj->className()) << endl;
304 #ifdef DEBUG_PARTMANAGER
305 kdDebug(1000) << TQString(
"No part made active although %1/%2 got event").arg(obj->name()).arg(obj->className()) << endl;
310 Part * PartManager::findPartFromWidget( TQWidget * widget,
const TQPoint &pos )
312 TQPtrListIterator<Part> it ( d->m_parts );
313 for ( ; it.current() ; ++it )
316 if ( part && d->m_parts.findRef( part ) != -1 )
322 Part * PartManager::findPartFromWidget( TQWidget * widget )
324 TQPtrListIterator<Part> it ( d->m_parts );
325 for ( ; it.current() ; ++it )
327 if ( widget == it.current()->widget() )
335 if ( d->m_parts.findRef( part ) != -1 )
337 #ifdef DEBUG_PARTMANAGER
343 d->m_parts.append( part );
345 part->setManager(
this );
351 part->
widget()->setFocus();
355 if ( part->
widget() && part->
widget()->focusPolicy() == TQ_NoFocus )
357 kdWarning(1000) <<
"Part '" << part->name() <<
"' has a widget " << part->
widget()->name() <<
" with a focus policy of NoFocus. It should have at least a ClickFocus policy, for part activation to work well." <<
endl;
359 if ( part->
widget() && part->
widget()->focusPolicy() == TQ_TabFocus )
361 kdWarning(1000) <<
"Part '" << part->name() <<
"' has a widget " << part->
widget()->name() <<
" with a focus policy of TabFocus. It should have at least a ClickFocus policy, for part activation to work well." <<
endl;
364 if ( setActive && part->
widget() )
371 if ( d->m_parts.findRef( part ) == -1 )
373 kdFatal(1000) << TQString(TQString(
"Can't remove part %1, not in KPartManager's list.").arg(part->name())) <<
endl;
379 int nb = d->m_parts.count();
380 bool ok = d->m_parts.removeRef( part );
382 Q_ASSERT( (
int)d->m_parts.count() == nb-1 );
387 if ( part == d->m_activePart )
389 if ( part == d->m_selectedPart )
397 if ( d->m_parts.findRef( oldPart ) == -1 )
399 kdFatal(1000) << TQString(TQString(
"Can't remove part %1, not in KPartManager's list.").arg(oldPart->name())) <<
endl;
403 d->m_parts.removeRef( oldPart );
404 oldPart->setManager(0);
413 if ( part && d->m_parts.findRef( part ) == -1 )
415 kdWarning( 1000 ) <<
"PartManager::setActivePart : trying to activate a non-registered part! " << part->name() <<
endl;
421 if ( part && !d->m_bAllowNestedParts )
423 TQObject *parentPart = TQT_TQOBJECT(part->parent());
424 if ( parentPart && parentPart->inherits(
"KParts::Part" ) )
432 #ifdef DEBUG_PARTMANAGER
433 kdDebug(1000) <<
"PartManager::setActivePart d->m_activePart=" << d->m_activePart <<
"<->part=" << part
434 <<
" d->m_activeWidget=" << d->m_activeWidget <<
"<->widget=" << widget <<
endl;
438 if ( d->m_activePart && part && d->m_activePart == part &&
439 (!widget || d->m_activeWidget == widget) )
443 TQWidget *oldActiveWidget = d->m_activeWidget;
447 d->m_activePart = part;
448 d->m_activeWidget = widget;
453 TQWidget *savedActiveWidget = widget;
456 TQApplication::sendEvent( oldActivePart, &ev );
457 if ( oldActiveWidget )
459 disconnect( oldActiveWidget, TQT_SIGNAL( destroyed() ),
460 this, TQT_SLOT( slotWidgetDestroyed() ) );
461 TQApplication::sendEvent( oldActiveWidget, &ev );
464 d->m_activePart = savedActivePart;
465 d->m_activeWidget = savedActiveWidget;
468 if ( d->m_activePart )
471 d->m_activeWidget = part->
widget();
474 TQApplication::sendEvent( d->m_activePart, &ev );
475 if ( d->m_activeWidget )
477 connect( d->m_activeWidget, TQT_SIGNAL( destroyed() ),
478 this, TQT_SLOT( slotWidgetDestroyed() ) );
479 TQApplication::sendEvent( d->m_activeWidget, &ev );
485 kdDebug(1000) <<
this <<
" emitting activePartChanged " << d->m_activePart <<
endl;
492 KGlobal::_activeInstance = instance;
497 return d->m_activePart;
502 return d->m_activeWidget;
507 if ( part == d->m_selectedPart && widget == d->m_selectedWidget )
510 Part *oldPart = d->m_selectedPart;
511 TQWidget *oldWidget = d->m_selectedWidget;
513 d->m_selectedPart = part;
514 d->m_selectedWidget = widget;
516 if ( part && !widget )
517 d->m_selectedWidget = part->
widget();
522 TQApplication::sendEvent( oldPart, &ev );
523 TQApplication::sendEvent( oldWidget, &ev );
526 if ( d->m_selectedPart )
529 TQApplication::sendEvent( d->m_selectedPart, &ev );
530 TQApplication::sendEvent( d->m_selectedWidget, &ev );
536 return d->m_selectedPart;
541 return d->m_selectedWidget;
546 kdDebug(1000) <<
"KPartManager::slotObjectDestroyed()" <<
endl;
547 removePart( const_cast<Part *>( static_cast<const Part *>( sender() ) ) );
550 void PartManager::slotWidgetDestroyed()
552 kdDebug(1000) <<
"KPartsManager::slotWidgetDestroyed()" <<
endl;
553 if ( static_cast<const TQWidget *>( sender() ) == d->m_activeWidget )
565 if ( !topLevel->isTopLevel() )
568 if ( d->m_managedTopLevelWidgets.containsRef( topLevel ) )
571 d->m_managedTopLevelWidgets.append( topLevel );
572 connect( topLevel, TQT_SIGNAL( destroyed() ),
573 this, TQT_SLOT( slotManagedTopLevelWidgetDestroyed() ) );
578 if ( !topLevel->isTopLevel() )
581 if ( d->m_managedTopLevelWidgets.findRef( topLevel ) == -1 )
584 d->m_managedTopLevelWidgets.remove();
587 void PartManager::slotManagedTopLevelWidgetDestroyed()
589 const TQWidget *widget =
static_cast<const TQWidget *
>( sender() );
598 void PartManager::virtual_hook(
int,
void* )
601 #include "partmanager.moc"