Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "browserlistbox.hxx"
21 : #include "propresid.hrc"
22 : #include "proplinelistener.hxx"
23 : #include "propcontrolobserver.hxx"
24 : #include "linedescriptor.hxx"
25 : #include "inspectorhelpwindow.hxx"
26 :
27 : #include <com/sun/star/lang/DisposedException.hpp>
28 : #include <com/sun/star/lang/XComponent.hpp>
29 : #include <com/sun/star/inspection/PropertyControlType.hpp>
30 : #include <tools/debug.hxx>
31 : #include <tools/diagnose_ex.h>
32 : #include <comphelper/asyncnotification.hxx>
33 : #include <cppuhelper/implbase1.hxx>
34 : #include <vcl/svapp.hxx>
35 : #include <osl/mutex.hxx>
36 :
37 :
38 : namespace pcr
39 : {
40 :
41 :
42 : #define FRAME_OFFSET 4
43 : // TODO: find out what this is really for ... and check if it does make sense in the new
44 : // browser environment
45 : #define LAYOUT_HELP_WINDOW_DISTANCE_APPFONT 3
46 :
47 : using ::com::sun::star::uno::Any;
48 : using ::com::sun::star::uno::Exception;
49 : using ::com::sun::star::inspection::XPropertyControlContext;
50 : using ::com::sun::star::uno::Reference;
51 : using ::com::sun::star::inspection::XPropertyControl;
52 : using ::com::sun::star::uno::RuntimeException;
53 : using ::com::sun::star::lang::DisposedException;
54 : using ::com::sun::star::lang::XComponent;
55 : using ::com::sun::star::uno::UNO_QUERY;
56 : using ::com::sun::star::graphic::XGraphic;
57 :
58 : namespace PropertyControlType = ::com::sun::star::inspection::PropertyControlType;
59 :
60 :
61 : //= ControlEvent
62 :
63 : enum ControlEventType
64 : {
65 : FOCUS_GAINED,
66 : VALUE_CHANGED,
67 : ACTIVATE_NEXT
68 : };
69 :
70 0 : struct ControlEvent : public ::comphelper::AnyEvent
71 : {
72 : Reference< XPropertyControl > xControl;
73 : ControlEventType eType;
74 :
75 0 : ControlEvent( const Reference< XPropertyControl >& _rxControl, ControlEventType _eType )
76 : :xControl( _rxControl )
77 0 : ,eType( _eType )
78 : {
79 0 : }
80 : };
81 :
82 :
83 : //= SharedNotifier
84 :
85 : class SharedNotifier
86 : {
87 : private:
88 : static ::osl::Mutex& getMutex();
89 : static ::rtl::Reference< ::comphelper::AsyncEventNotifier > s_pNotifier;
90 :
91 : public:
92 : static const ::rtl::Reference< ::comphelper::AsyncEventNotifier >&
93 : getNotifier();
94 :
95 : private:
96 : SharedNotifier(); // never implemented
97 : SharedNotifier( const SharedNotifier& ); // never implemented
98 : SharedNotifier& operator=( const SharedNotifier& ); // never implemented
99 : };
100 :
101 :
102 0 : ::rtl::Reference< ::comphelper::AsyncEventNotifier > SharedNotifier::s_pNotifier;
103 :
104 :
105 0 : ::osl::Mutex& SharedNotifier::getMutex()
106 : {
107 0 : static ::osl::Mutex s_aMutex;
108 0 : return s_aMutex;
109 : }
110 :
111 :
112 0 : const ::rtl::Reference< ::comphelper::AsyncEventNotifier >& SharedNotifier::getNotifier()
113 : {
114 0 : ::osl::MutexGuard aGuard( getMutex() );
115 0 : if ( !s_pNotifier.is() )
116 : {
117 : s_pNotifier.set(
118 0 : new ::comphelper::AsyncEventNotifier("browserlistbox"));
119 0 : s_pNotifier->launch();
120 : //TODO: a protocol is missing how to join with the launched
121 : // thread before exit(3), to ensure the thread is no longer
122 : // relying on any infrastructure while that infrastructure is
123 : // being shut down in atexit handlers
124 : }
125 0 : return s_pNotifier;
126 : }
127 :
128 :
129 : //= PropertyControlContext_Impl
130 :
131 : /** implementation for of <type scope="com::sun::star::inspection">XPropertyControlContext</type>
132 : which forwards all events to a non-UNO version of this interface
133 : */
134 : typedef ::cppu::WeakImplHelper1< XPropertyControlContext > PropertyControlContext_Impl_Base;
135 : class PropertyControlContext_Impl :public PropertyControlContext_Impl_Base
136 : ,public ::comphelper::IEventProcessor
137 : {
138 : public:
139 : enum NotifcationMode
140 : {
141 : eSynchronously,
142 : eAsynchronously
143 : };
144 :
145 : private:
146 : IControlContext* m_pContext;
147 : NotifcationMode m_eMode;
148 :
149 : public:
150 : /** creates an instance
151 : @param _rContextImpl
152 : the instance to delegate events to
153 : */
154 : PropertyControlContext_Impl( IControlContext& _rContextImpl );
155 :
156 : /** disposes the context.
157 :
158 : When you call this method, all subsequent callbacks to the
159 : <type scope="com::sun::star::inspection">XPropertyControlContext</type> methods
160 : will throw a <type scope="com::sun::star::lang">DisposedException</type>.
161 : */
162 : void SAL_CALL dispose();
163 :
164 : /** sets the notification mode, so that notifications received from the controls are
165 : forwarded to our IControlContext either synchronously or asynchronously
166 : @param _eMode
167 : the new notification mode
168 : */
169 : void setNotificationMode( NotifcationMode _eMode );
170 :
171 : virtual void SAL_CALL acquire() throw() SAL_OVERRIDE;
172 : virtual void SAL_CALL release() throw() SAL_OVERRIDE;
173 :
174 : protected:
175 : virtual ~PropertyControlContext_Impl();
176 :
177 : // XPropertyControlObserver
178 : virtual void SAL_CALL focusGained( const Reference< XPropertyControl >& Control ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
179 : virtual void SAL_CALL valueChanged( const Reference< XPropertyControl >& Control ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
180 : // XPropertyControlContext
181 : virtual void SAL_CALL activateNextControl( const Reference< XPropertyControl >& CurrentControl ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
182 :
183 : // IEventProcessor
184 : virtual void processEvent( const ::comphelper::AnyEvent& _rEvent ) SAL_OVERRIDE;
185 :
186 : private:
187 : /** processes the given event, i.e. notifies it to our IControlContext
188 : @param _rEvent
189 : the event no notify
190 : @precond
191 : our mutex (well, the SolarMutex) is locked
192 : */
193 : void impl_processEvent_throw( const ::comphelper::AnyEvent& _rEvent );
194 :
195 : /** checks whether we're alive
196 :
197 : @throws DisposedException
198 : if the instance is already disposed
199 : */
200 : void impl_checkAlive_throw() const;
201 :
202 : /** checks whether the instance is already disposed
203 : */
204 0 : bool impl_isDisposed_nothrow() const { return m_pContext == NULL; }
205 :
206 : /** notifies the given event originating from the given control
207 : @throws DisposedException
208 : @param _rxControl
209 : @param _eType
210 : */
211 : void impl_notify_throw( const Reference< XPropertyControl >& _rxControl, ControlEventType _eType );
212 : };
213 :
214 :
215 0 : PropertyControlContext_Impl::PropertyControlContext_Impl( IControlContext& _rContextImpl )
216 : :m_pContext( &_rContextImpl )
217 0 : ,m_eMode( eAsynchronously )
218 : {
219 0 : }
220 :
221 :
222 0 : PropertyControlContext_Impl::~PropertyControlContext_Impl()
223 : {
224 0 : if ( !impl_isDisposed_nothrow() )
225 0 : dispose();
226 0 : }
227 :
228 :
229 0 : void PropertyControlContext_Impl::impl_checkAlive_throw() const
230 : {
231 0 : if ( impl_isDisposed_nothrow() )
232 0 : throw DisposedException( OUString(), *const_cast< PropertyControlContext_Impl* >( this ) );
233 0 : }
234 :
235 :
236 0 : void SAL_CALL PropertyControlContext_Impl::dispose()
237 : {
238 0 : SolarMutexGuard aGuard;
239 0 : if ( impl_isDisposed_nothrow() )
240 0 : return;
241 :
242 0 : SharedNotifier::getNotifier()->removeEventsForProcessor( this );
243 0 : m_pContext = NULL;
244 : }
245 :
246 :
247 0 : void PropertyControlContext_Impl::setNotificationMode( NotifcationMode _eMode )
248 : {
249 0 : SolarMutexGuard aGuard;
250 0 : m_eMode = _eMode;
251 0 : }
252 :
253 :
254 0 : void PropertyControlContext_Impl::impl_notify_throw( const Reference< XPropertyControl >& _rxControl, ControlEventType _eType )
255 : {
256 0 : ::comphelper::AnyEventRef pEvent;
257 :
258 : {
259 0 : SolarMutexGuard aGuard;
260 0 : impl_checkAlive_throw();
261 0 : pEvent = new ControlEvent( _rxControl, _eType );
262 :
263 0 : if ( m_eMode == eSynchronously )
264 : {
265 0 : impl_processEvent_throw( *pEvent );
266 0 : return;
267 0 : }
268 : }
269 :
270 0 : SharedNotifier::getNotifier()->addEvent( pEvent, this );
271 : }
272 :
273 :
274 0 : void SAL_CALL PropertyControlContext_Impl::focusGained( const Reference< XPropertyControl >& Control ) throw (RuntimeException, std::exception)
275 : {
276 : OSL_TRACE( "PropertyControlContext_Impl: FOCUS_GAINED" );
277 0 : impl_notify_throw( Control, FOCUS_GAINED );
278 0 : }
279 :
280 :
281 0 : void SAL_CALL PropertyControlContext_Impl::valueChanged( const Reference< XPropertyControl >& Control ) throw (RuntimeException, std::exception)
282 : {
283 : OSL_TRACE( "PropertyControlContext_Impl: VALUE_CHANGED" );
284 0 : impl_notify_throw( Control, VALUE_CHANGED );
285 0 : }
286 :
287 :
288 0 : void SAL_CALL PropertyControlContext_Impl::activateNextControl( const Reference< XPropertyControl >& CurrentControl ) throw (RuntimeException, std::exception)
289 : {
290 : OSL_TRACE( "PropertyControlContext_Impl: ACTIVATE_NEXT" );
291 0 : impl_notify_throw( CurrentControl, ACTIVATE_NEXT );
292 0 : }
293 :
294 :
295 0 : void SAL_CALL PropertyControlContext_Impl::acquire() throw()
296 : {
297 0 : PropertyControlContext_Impl_Base::acquire();
298 0 : }
299 :
300 :
301 0 : void SAL_CALL PropertyControlContext_Impl::release() throw()
302 : {
303 0 : PropertyControlContext_Impl_Base::release();
304 0 : }
305 :
306 :
307 0 : void PropertyControlContext_Impl::processEvent( const ::comphelper::AnyEvent& _rEvent )
308 : {
309 0 : SolarMutexGuard aGuard;
310 0 : if ( impl_isDisposed_nothrow() )
311 0 : return;
312 :
313 : try
314 : {
315 0 : impl_processEvent_throw( _rEvent );
316 : }
317 0 : catch( const Exception& )
318 : {
319 : // can't handle otherwise, since our caller (the notification thread) does not allow
320 : // for exceptions (it could itself abort only)
321 : DBG_UNHANDLED_EXCEPTION();
322 0 : }
323 : }
324 :
325 :
326 0 : void PropertyControlContext_Impl::impl_processEvent_throw( const ::comphelper::AnyEvent& _rEvent )
327 : {
328 0 : const ControlEvent& rControlEvent = static_cast< const ControlEvent& >( _rEvent );
329 0 : switch ( rControlEvent.eType )
330 : {
331 : case FOCUS_GAINED:
332 : OSL_TRACE( "PropertyControlContext_Impl::processEvent: FOCUS_GAINED" );
333 0 : m_pContext->focusGained( rControlEvent.xControl );
334 0 : break;
335 : case VALUE_CHANGED:
336 : OSL_TRACE( "PropertyControlContext_Impl::processEvent: VALUE_CHANGED" );
337 0 : m_pContext->valueChanged( rControlEvent.xControl );
338 0 : break;
339 : case ACTIVATE_NEXT:
340 : OSL_TRACE( "PropertyControlContext_Impl::processEvent: ACTIVATE_NEXT" );
341 0 : m_pContext->activateNextControl( rControlEvent.xControl );
342 0 : break;
343 : }
344 0 : }
345 :
346 :
347 : //= OBrowserListBox
348 :
349 :
350 0 : OBrowserListBox::OBrowserListBox( Window* pParent, WinBits nWinStyle)
351 : :Control(pParent, nWinStyle| WB_CLIPCHILDREN)
352 : ,m_aLinesPlayground(this,WB_DIALOGCONTROL | WB_CLIPCHILDREN)
353 : ,m_aVScroll(this,WB_VSCROLL|WB_REPEAT|WB_DRAG)
354 0 : ,m_pHelpWindow( new InspectorHelpWindow( this ) )
355 : ,m_pLineListener(NULL)
356 : ,m_pControlObserver( NULL )
357 : ,m_nYOffset(0)
358 : ,m_nCurrentPreferredHelpHeight(0)
359 : ,m_nTheNameSize(0)
360 : ,m_bIsActive(sal_False)
361 : ,m_bUpdate(sal_True)
362 0 : ,m_pControlContextImpl( new PropertyControlContext_Impl( *this ) )
363 : {
364 :
365 0 : ListBox aListBox(this,WB_DROPDOWN);
366 0 : aListBox.SetPosSizePixel(Point(0,0),Size(100,100));
367 0 : m_nRowHeight = (sal_uInt16)aListBox.GetSizePixel().Height()+2;
368 0 : SetBackground( pParent->GetBackground() );
369 0 : m_aLinesPlayground.SetBackground( GetBackground() );
370 :
371 0 : m_aLinesPlayground.SetPosPixel(Point(0,0));
372 0 : m_aLinesPlayground.SetPaintTransparent(true);
373 0 : m_aLinesPlayground.Show();
374 0 : m_aVScroll.Hide();
375 0 : m_aVScroll.SetScrollHdl(LINK(this, OBrowserListBox, ScrollHdl));
376 0 : }
377 :
378 :
379 0 : OBrowserListBox::~OBrowserListBox()
380 : {
381 : OSL_ENSURE( !IsModified(), "OBrowserListBox::~OBrowserListBox: still modified - should have been committed before!" );
382 : // doing the commit here, while we, as well as our owner, as well as some other components,
383 : // are already "half dead" (means within their dtor) is potentially dangerous.
384 : // By definition, CommitModified has to be called (if necessary) before destruction
385 :
386 0 : m_pControlContextImpl->dispose();
387 0 : m_pControlContextImpl.clear();
388 :
389 0 : Hide();
390 0 : Clear();
391 :
392 0 : }
393 :
394 :
395 0 : sal_Bool OBrowserListBox::IsModified( ) const
396 : {
397 0 : sal_Bool bModified = sal_False;
398 :
399 0 : if ( m_bIsActive && m_xActiveControl.is() )
400 0 : bModified = m_xActiveControl->isModified();
401 :
402 0 : return bModified;
403 : }
404 :
405 :
406 0 : void OBrowserListBox::CommitModified( )
407 : {
408 0 : if ( IsModified() && m_xActiveControl.is() )
409 : {
410 : // for the time of this commit, notify all events synchronously
411 : // #i63814#
412 0 : m_pControlContextImpl->setNotificationMode( PropertyControlContext_Impl::eSynchronously );
413 : try
414 : {
415 0 : m_xActiveControl->notifyModifiedValue();
416 : }
417 0 : catch( const Exception& )
418 : {
419 : DBG_UNHANDLED_EXCEPTION();
420 : }
421 0 : m_pControlContextImpl->setNotificationMode( PropertyControlContext_Impl::eAsynchronously );
422 : }
423 0 : }
424 :
425 :
426 0 : void OBrowserListBox::ActivateListBox(sal_Bool _bActive)
427 : {
428 0 : m_bIsActive = _bActive;
429 0 : if (m_bIsActive)
430 : {
431 : // TODO: what's the sense of this?
432 0 : m_aVScroll.SetThumbPos(100);
433 0 : MoveThumbTo(0);
434 0 : Resize();
435 : }
436 0 : }
437 :
438 :
439 0 : long OBrowserListBox::impl_getPrefererredHelpHeight()
440 : {
441 0 : return HasHelpSection() ? m_pHelpWindow->GetOptimalHeightPixel() : 0;
442 : }
443 :
444 :
445 0 : void OBrowserListBox::Resize()
446 : {
447 0 : Rectangle aPlayground( Point( 0, 0 ), GetOutputSizePixel() );
448 0 : Size aHelpWindowDistance( LogicToPixel( Size( 0, LAYOUT_HELP_WINDOW_DISTANCE_APPFONT ), MAP_APPFONT ) );
449 :
450 0 : long nHelpWindowHeight = m_nCurrentPreferredHelpHeight = impl_getPrefererredHelpHeight();
451 0 : bool bPositionHelpWindow = ( nHelpWindowHeight != 0 );
452 :
453 0 : Rectangle aLinesArea( aPlayground );
454 0 : if ( bPositionHelpWindow )
455 : {
456 0 : aLinesArea.Bottom() -= nHelpWindowHeight;
457 0 : aLinesArea.Bottom() -= aHelpWindowDistance.Height();
458 : }
459 0 : m_aLinesPlayground.SetPosSizePixel( aLinesArea.TopLeft(), aLinesArea.GetSize() );
460 :
461 0 : UpdateVScroll();
462 :
463 0 : sal_Bool bNeedScrollbar = m_aLines.size() > (sal_uInt32)CalcVisibleLines();
464 0 : if ( !bNeedScrollbar )
465 : {
466 0 : if ( m_aVScroll.IsVisible() )
467 0 : m_aVScroll.Hide();
468 : // scroll to top
469 0 : m_nYOffset = 0;
470 0 : m_aVScroll.SetThumbPos( 0 );
471 : }
472 : else
473 : {
474 0 : Size aVScrollSize( m_aVScroll.GetSizePixel() );
475 :
476 : // adjust the playground's width
477 0 : aLinesArea.Right() -= aVScrollSize.Width();
478 0 : m_aLinesPlayground.SetPosSizePixel( aLinesArea.TopLeft(), aLinesArea.GetSize() );
479 :
480 : // position the scrollbar
481 0 : aVScrollSize.Height() = aLinesArea.GetHeight();
482 0 : Point aVScrollPos( aLinesArea.GetWidth(), 0 );
483 0 : m_aVScroll.SetPosSizePixel( aVScrollPos, aVScrollSize );
484 : }
485 :
486 0 : for ( sal_uInt16 i = 0; i < m_aLines.size(); ++i )
487 0 : m_aOutOfDateLines.insert( i );
488 :
489 : // repaint
490 0 : EnablePaint(false);
491 0 : UpdatePlayGround();
492 0 : EnablePaint(true);
493 :
494 : // show the scrollbar
495 0 : if ( bNeedScrollbar )
496 0 : m_aVScroll.Show();
497 :
498 : // position the help window
499 0 : if ( bPositionHelpWindow )
500 : {
501 0 : Rectangle aHelpArea( aPlayground );
502 0 : aHelpArea.Top() = aLinesArea.Bottom() + aHelpWindowDistance.Height();
503 0 : m_pHelpWindow->SetPosSizePixel( aHelpArea.TopLeft(), aHelpArea.GetSize() );
504 : }
505 0 : }
506 :
507 :
508 0 : void OBrowserListBox::SetListener( IPropertyLineListener* _pListener )
509 : {
510 0 : m_pLineListener = _pListener;
511 0 : }
512 :
513 :
514 0 : void OBrowserListBox::SetObserver( IPropertyControlObserver* _pObserver )
515 : {
516 0 : m_pControlObserver = _pObserver;
517 0 : }
518 :
519 :
520 0 : void OBrowserListBox::EnableHelpSection( bool _bEnable )
521 : {
522 0 : m_pHelpWindow->Show( _bEnable );
523 0 : Resize();
524 0 : }
525 :
526 :
527 0 : bool OBrowserListBox::HasHelpSection() const
528 : {
529 0 : return m_pHelpWindow->IsVisible();
530 : }
531 :
532 :
533 0 : void OBrowserListBox::SetHelpText( const OUString& _rHelpText )
534 : {
535 : OSL_ENSURE( HasHelpSection(), "OBrowserListBox::SetHelpText: help section not visible!" );
536 0 : m_pHelpWindow->SetText( _rHelpText );
537 0 : if ( m_nCurrentPreferredHelpHeight != impl_getPrefererredHelpHeight() )
538 0 : Resize();
539 0 : }
540 :
541 :
542 0 : void OBrowserListBox::SetHelpLineLimites( sal_Int32 _nMinLines, sal_Int32 _nMaxLines )
543 : {
544 0 : m_pHelpWindow->SetLimits( _nMinLines, _nMaxLines );
545 0 : }
546 :
547 :
548 0 : sal_uInt16 OBrowserListBox::CalcVisibleLines()
549 : {
550 0 : Size aSize(m_aLinesPlayground.GetOutputSizePixel());
551 0 : sal_uInt16 nResult = 0;
552 0 : if (0 != m_nRowHeight)
553 0 : nResult = (sal_uInt16) aSize.Height()/m_nRowHeight;
554 :
555 0 : return nResult;
556 : }
557 :
558 :
559 0 : void OBrowserListBox::UpdateVScroll()
560 : {
561 0 : sal_uInt16 nLines = CalcVisibleLines();
562 0 : m_aVScroll.SetPageSize(nLines-1);
563 0 : m_aVScroll.SetVisibleSize(nLines-1);
564 :
565 0 : size_t nCount = m_aLines.size();
566 0 : if (nCount>0)
567 : {
568 0 : m_aVScroll.SetRange(Range(0,nCount-1));
569 0 : m_nYOffset = -m_aVScroll.GetThumbPos()*m_nRowHeight;
570 : }
571 : else
572 : {
573 0 : m_aVScroll.SetRange(Range(0,0));
574 0 : m_nYOffset = 0;
575 : }
576 0 : }
577 :
578 :
579 0 : void OBrowserListBox::PositionLine( sal_uInt16 _nIndex )
580 : {
581 0 : Size aSize(m_aLinesPlayground.GetOutputSizePixel());
582 0 : Point aPos(0, m_nYOffset);
583 :
584 0 : aSize.Height() = m_nRowHeight;
585 :
586 0 : aPos.Y() += _nIndex * m_nRowHeight;
587 :
588 0 : if ( _nIndex < m_aLines.size() )
589 : {
590 0 : BrowserLinePointer pLine = m_aLines[ _nIndex ].pLine;
591 :
592 0 : pLine->SetPosSizePixel( aPos, aSize );
593 0 : pLine->SetTitleWidth( m_nTheNameSize + 2 * FRAME_OFFSET );
594 :
595 : // show the line if necessary
596 0 : if ( !pLine->IsVisible() )
597 0 : pLine->Show();
598 : }
599 0 : }
600 :
601 :
602 0 : void OBrowserListBox::UpdatePosNSize()
603 : {
604 0 : for ( ::std::set< sal_uInt16 >::const_iterator aLoop = m_aOutOfDateLines.begin();
605 0 : aLoop != m_aOutOfDateLines.end();
606 : ++aLoop
607 : )
608 : {
609 : DBG_ASSERT( *aLoop < m_aLines.size(), "OBrowserListBox::UpdatePosNSize: invalid line index!" );
610 0 : if ( *aLoop < m_aLines.size() )
611 0 : PositionLine( *aLoop );
612 : }
613 0 : m_aOutOfDateLines.clear();
614 0 : }
615 :
616 :
617 0 : void OBrowserListBox::UpdatePlayGround()
618 : {
619 0 : sal_Int32 nThumbPos = m_aVScroll.GetThumbPos();
620 0 : sal_Int32 nLines = CalcVisibleLines();
621 :
622 0 : sal_uInt16 nEnd = (sal_uInt16)(nThumbPos + nLines);
623 0 : if (nEnd >= m_aLines.size())
624 0 : nEnd = (sal_uInt16)m_aLines.size()-1;
625 :
626 0 : if ( !m_aLines.empty() )
627 : {
628 0 : for ( sal_uInt16 i = (sal_uInt16)nThumbPos; i <= nEnd; ++i )
629 0 : m_aOutOfDateLines.insert( i );
630 0 : UpdatePosNSize();
631 : }
632 0 : }
633 :
634 :
635 0 : void OBrowserListBox::UpdateAll()
636 : {
637 0 : Resize();
638 0 : }
639 :
640 :
641 0 : void OBrowserListBox::DisableUpdate()
642 : {
643 0 : m_bUpdate = sal_False;
644 0 : }
645 :
646 :
647 0 : void OBrowserListBox::EnableUpdate()
648 : {
649 0 : m_bUpdate = sal_True;
650 0 : UpdateAll();
651 0 : }
652 :
653 :
654 0 : void OBrowserListBox::SetPropertyValue(const OUString& _rEntryName, const Any& _rValue, bool _bUnknownValue )
655 : {
656 0 : ListBoxLines::iterator line = m_aLines.begin();
657 0 : for ( ; line != m_aLines.end() && ( line->aName != _rEntryName ); ++line )
658 : ;
659 :
660 0 : if ( line != m_aLines.end() )
661 : {
662 0 : if ( _bUnknownValue )
663 : {
664 0 : Reference< XPropertyControl > xControl( line->pLine->getControl() );
665 : OSL_ENSURE( xControl.is(), "OBrowserListBox::SetPropertyValue: illegal control!" );
666 0 : if ( xControl.is() )
667 0 : xControl->setValue( Any() );
668 : }
669 : else
670 0 : impl_setControlAsPropertyValue( *line, _rValue );
671 : }
672 0 : }
673 :
674 :
675 0 : sal_uInt16 OBrowserListBox::GetPropertyPos( const OUString& _rEntryName ) const
676 : {
677 0 : sal_uInt16 nRet = EDITOR_LIST_ENTRY_NOTFOUND;
678 0 : for ( ListBoxLines::const_iterator linePos = m_aLines.begin();
679 0 : linePos != m_aLines.end();
680 : ++linePos
681 : )
682 : {
683 0 : if ( linePos->aName == _rEntryName )
684 : {
685 0 : nRet = (sal_uInt16)( linePos - m_aLines.begin() );
686 0 : break;
687 : }
688 : }
689 :
690 0 : return nRet;
691 : }
692 :
693 :
694 0 : bool OBrowserListBox::impl_getBrowserLineForName( const OUString& _rEntryName, BrowserLinePointer& _out_rpLine ) const
695 : {
696 0 : ListBoxLines::const_iterator line = m_aLines.begin();
697 0 : for ( ; line != m_aLines.end() && ( line->aName != _rEntryName ); ++line )
698 : ;
699 :
700 0 : if ( line != m_aLines.end() )
701 0 : _out_rpLine = line->pLine;
702 : else
703 0 : _out_rpLine.reset();
704 0 : return ( NULL != _out_rpLine.get() );
705 : }
706 :
707 :
708 0 : void OBrowserListBox::EnablePropertyControls( const OUString& _rEntryName, sal_Int16 _nControls, bool _bEnable )
709 : {
710 0 : BrowserLinePointer pLine;
711 0 : if ( impl_getBrowserLineForName( _rEntryName, pLine ) )
712 0 : pLine->EnablePropertyControls( _nControls, _bEnable );
713 0 : }
714 :
715 :
716 0 : void OBrowserListBox::EnablePropertyLine( const OUString& _rEntryName, bool _bEnable )
717 : {
718 0 : BrowserLinePointer pLine;
719 0 : if ( impl_getBrowserLineForName( _rEntryName, pLine ) )
720 0 : pLine->EnablePropertyLine( _bEnable );
721 0 : }
722 :
723 :
724 0 : Reference< XPropertyControl > OBrowserListBox::GetPropertyControl( const OUString& _rEntryName )
725 : {
726 0 : BrowserLinePointer pLine;
727 0 : if ( impl_getBrowserLineForName( _rEntryName, pLine ) )
728 0 : return pLine->getControl();
729 0 : return NULL;
730 : }
731 :
732 :
733 0 : sal_uInt16 OBrowserListBox::InsertEntry(const OLineDescriptor& _rPropertyData, sal_uInt16 _nPos)
734 : {
735 : // create a new line
736 0 : BrowserLinePointer pBrowserLine( new OBrowserLine( _rPropertyData.sName, &m_aLinesPlayground ) );
737 :
738 : // check that the name is unique
739 0 : ListBoxLines::iterator it = m_aLines.begin();
740 0 : for ( ; it != m_aLines.end() && ( it->aName != _rPropertyData.sName ); ++it )
741 : ;
742 : OSL_ENSURE( it == m_aLines.end(), "OBrowserListBox::InsertEntry: already have another line for this name!" );
743 :
744 0 : ListBoxLine aNewLine( _rPropertyData.sName, pBrowserLine, _rPropertyData.xPropertyHandler );
745 0 : sal_uInt16 nInsertPos = _nPos;
746 0 : if ( _nPos >= m_aLines.size() )
747 : {
748 0 : nInsertPos = static_cast< sal_uInt16 >( m_aLines.size() );
749 0 : m_aLines.push_back( aNewLine );
750 : }
751 : else
752 0 : m_aLines.insert( m_aLines.begin() + _nPos, aNewLine );
753 :
754 0 : pBrowserLine->SetTitleWidth(m_nTheNameSize);
755 0 : if (m_bUpdate)
756 : {
757 0 : UpdateVScroll();
758 0 : Invalidate();
759 : }
760 :
761 : // initialize the entry
762 0 : ChangeEntry(_rPropertyData, nInsertPos);
763 :
764 : // update the positions of possibly affected lines
765 0 : sal_uInt16 nUpdatePos = nInsertPos;
766 0 : while ( nUpdatePos < m_aLines.size() )
767 0 : m_aOutOfDateLines.insert( nUpdatePos++ );
768 0 : UpdatePosNSize( );
769 :
770 0 : return nInsertPos;
771 : }
772 :
773 :
774 0 : sal_Int32 OBrowserListBox::GetMinimumWidth()
775 : {
776 0 : return m_nTheNameSize + 2 * FRAME_OFFSET + (m_nRowHeight - 4) * 8;
777 : }
778 :
779 :
780 0 : sal_Int32 OBrowserListBox::GetMinimumHeight()
781 : {
782 : // assume that we want to display 5 rows, at least
783 0 : sal_Int32 nMinHeight = m_nRowHeight * 5;
784 :
785 0 : if ( HasHelpSection() )
786 : {
787 0 : Size aHelpWindowDistance( LogicToPixel( Size( 0, LAYOUT_HELP_WINDOW_DISTANCE_APPFONT ), MAP_APPFONT ) );
788 0 : nMinHeight += aHelpWindowDistance.Height();
789 :
790 0 : nMinHeight += m_pHelpWindow->GetMinimalHeightPixel();
791 : }
792 :
793 0 : return nMinHeight;
794 : }
795 :
796 :
797 0 : void OBrowserListBox::ShowEntry(sal_uInt16 _nPos)
798 : {
799 0 : if ( _nPos < m_aLines.size() )
800 : {
801 0 : sal_Int32 nThumbPos = m_aVScroll.GetThumbPos();
802 :
803 0 : if (_nPos < nThumbPos)
804 0 : MoveThumbTo(_nPos);
805 : else
806 : {
807 0 : sal_Int32 nLines = CalcVisibleLines();
808 0 : if (_nPos >= nThumbPos + nLines)
809 0 : MoveThumbTo(_nPos - nLines + 1);
810 : }
811 : }
812 :
813 0 : }
814 :
815 :
816 0 : void OBrowserListBox::MoveThumbTo(sal_Int32 _nNewThumbPos)
817 : {
818 : // disable painting to prevent flicker
819 0 : m_aLinesPlayground.EnablePaint(false);
820 :
821 0 : sal_Int32 nDelta = _nNewThumbPos - m_aVScroll.GetThumbPos();
822 : // adjust the scrollbar
823 0 : m_aVScroll.SetThumbPos(_nNewThumbPos);
824 0 : sal_Int32 nThumbPos = _nNewThumbPos;
825 :
826 0 : m_nYOffset = -m_aVScroll.GetThumbPos() * m_nRowHeight;
827 :
828 0 : sal_Int32 nLines = CalcVisibleLines();
829 0 : sal_uInt16 nEnd = (sal_uInt16)(nThumbPos + nLines);
830 :
831 0 : m_aLinesPlayground.Scroll(0, -nDelta * m_nRowHeight, SCROLL_CHILDREN);
832 :
833 0 : if (1 == nDelta)
834 : {
835 : // TODO: what's the sense of this two PositionLines? Why not just one call?
836 0 : PositionLine(nEnd-1);
837 0 : PositionLine(nEnd);
838 : }
839 0 : else if (-1 == nDelta)
840 : {
841 0 : PositionLine((sal_uInt16)nThumbPos);
842 : }
843 0 : else if (0 != nDelta)
844 : {
845 0 : UpdatePlayGround();
846 : }
847 :
848 0 : m_aLinesPlayground.EnablePaint(true);
849 0 : m_aLinesPlayground.Invalidate(INVALIDATE_CHILDREN);
850 0 : }
851 :
852 :
853 0 : IMPL_LINK(OBrowserListBox, ScrollHdl, ScrollBar*, _pScrollBar )
854 : {
855 : DBG_ASSERT(_pScrollBar == &m_aVScroll, "OBrowserListBox::ScrollHdl: where does this come from?");
856 : (void)_pScrollBar;
857 :
858 : // disable painting to prevent flicker
859 0 : m_aLinesPlayground.EnablePaint(false);
860 :
861 0 : sal_Int32 nThumbPos = m_aVScroll.GetThumbPos();
862 :
863 0 : sal_Int32 nDelta = m_aVScroll.GetDelta();
864 0 : m_nYOffset = -nThumbPos * m_nRowHeight;
865 :
866 0 : sal_uInt16 nEnd = (sal_uInt16)(nThumbPos + CalcVisibleLines());
867 :
868 0 : m_aLinesPlayground.Scroll(0, -nDelta * m_nRowHeight, SCROLL_CHILDREN);
869 :
870 0 : if (1 == nDelta)
871 : {
872 0 : PositionLine(nEnd-1);
873 0 : PositionLine(nEnd);
874 : }
875 0 : else if (nDelta==-1)
876 : {
877 0 : PositionLine((sal_uInt16)nThumbPos);
878 : }
879 0 : else if (nDelta!=0 || m_aVScroll.GetType() == SCROLL_DONTKNOW)
880 : {
881 0 : UpdatePlayGround();
882 : }
883 :
884 0 : m_aLinesPlayground.EnablePaint(true);
885 0 : return 0;
886 : }
887 :
888 :
889 0 : void OBrowserListBox::buttonClicked( OBrowserLine* _pLine, sal_Bool _bPrimary )
890 : {
891 : DBG_ASSERT( _pLine, "OBrowserListBox::buttonClicked: invalid browser line!" );
892 0 : if ( _pLine && m_pLineListener )
893 : {
894 0 : m_pLineListener->Clicked( _pLine->GetEntryName(), _bPrimary );
895 : }
896 0 : }
897 :
898 :
899 0 : void OBrowserListBox::impl_setControlAsPropertyValue( const ListBoxLine& _rLine, const Any& _rPropertyValue )
900 : {
901 0 : Reference< XPropertyControl > xControl( _rLine.pLine->getControl() );
902 : try
903 : {
904 0 : if ( _rPropertyValue.getValueType().equals( _rLine.pLine->getControl()->getValueType() ) )
905 : {
906 0 : xControl->setValue( _rPropertyValue );
907 : }
908 : else
909 : {
910 : #ifdef DBG_UTIL
911 : if ( !_rLine.xHandler.is() )
912 : {
913 : OString sMessage( "OBrowserListBox::impl_setControlAsPropertyValue: no handler -> no conversion (property: '" );
914 : OUString sPropertyName( _rLine.pLine->GetEntryName() );
915 : sMessage += OString( sPropertyName.getStr(), sPropertyName.getLength(), RTL_TEXTENCODING_ASCII_US );
916 : sMessage += OString( "')!" );
917 : OSL_FAIL( sMessage.getStr() );
918 : }
919 : #endif
920 0 : if ( _rLine.xHandler.is() )
921 : {
922 0 : Any aControlValue = _rLine.xHandler->convertToControlValue(
923 0 : _rLine.pLine->GetEntryName(), _rPropertyValue, xControl->getValueType() );
924 0 : xControl->setValue( aControlValue );
925 : }
926 : }
927 : }
928 0 : catch( const Exception& )
929 : {
930 : DBG_UNHANDLED_EXCEPTION();
931 0 : }
932 0 : }
933 :
934 :
935 0 : Any OBrowserListBox::impl_getControlAsPropertyValue( const ListBoxLine& _rLine ) const
936 : {
937 0 : Reference< XPropertyControl > xControl( _rLine.pLine->getControl() );
938 0 : Any aPropertyValue;
939 : try
940 : {
941 : #ifdef DBG_UTIL
942 : if ( !_rLine.xHandler.is() )
943 : {
944 : OString sMessage( "OBrowserListBox::impl_getControlAsPropertyValue: no handler -> no conversion (property: '" );
945 : OUString sPropertyName( _rLine.pLine->GetEntryName() );
946 : sMessage += OString( sPropertyName.getStr(), sPropertyName.getLength(), RTL_TEXTENCODING_ASCII_US );
947 : sMessage += OString( "')!" );
948 : OSL_FAIL( sMessage.getStr() );
949 : }
950 : #endif
951 0 : if ( _rLine.xHandler.is() )
952 0 : aPropertyValue = _rLine.xHandler->convertToPropertyValue( _rLine.pLine->GetEntryName(), xControl->getValue() );
953 : else
954 0 : aPropertyValue = xControl->getValue();
955 : }
956 0 : catch( const Exception& )
957 : {
958 : DBG_UNHANDLED_EXCEPTION();
959 : }
960 0 : return aPropertyValue;
961 : }
962 :
963 :
964 0 : sal_uInt16 OBrowserListBox::impl_getControlPos( const Reference< XPropertyControl >& _rxControl ) const
965 : {
966 0 : for ( ListBoxLines::const_iterator search = m_aLines.begin(); search != m_aLines.end(); ++search )
967 0 : if ( search->pLine->getControl().get() == _rxControl.get() )
968 0 : return sal_uInt16( search - m_aLines.begin() );
969 :
970 : OSL_FAIL( "OBrowserListBox::impl_getControlPos: invalid control - not part of any of our lines!" );
971 0 : return (sal_uInt16)-1;
972 : }
973 :
974 :
975 0 : void SAL_CALL OBrowserListBox::focusGained( const Reference< XPropertyControl >& _rxControl ) throw (RuntimeException)
976 : {
977 : DBG_TESTSOLARMUTEX();
978 :
979 : DBG_ASSERT( _rxControl.is(), "OBrowserListBox::focusGained: invalid event source!" );
980 0 : if ( !_rxControl.is() )
981 0 : return;
982 :
983 0 : if ( m_pControlObserver )
984 0 : m_pControlObserver->focusGained( _rxControl );
985 :
986 0 : m_xActiveControl = _rxControl;
987 0 : ShowEntry( impl_getControlPos( m_xActiveControl ) );
988 : }
989 :
990 :
991 0 : void SAL_CALL OBrowserListBox::valueChanged( const Reference< XPropertyControl >& _rxControl ) throw (RuntimeException)
992 : {
993 : DBG_TESTSOLARMUTEX();
994 :
995 : DBG_ASSERT( _rxControl.is(), "OBrowserListBox::valueChanged: invalid event source!" );
996 0 : if ( !_rxControl.is() )
997 0 : return;
998 :
999 0 : if ( m_pControlObserver )
1000 0 : m_pControlObserver->valueChanged( _rxControl );
1001 :
1002 0 : if ( m_pLineListener )
1003 : {
1004 0 : const ListBoxLine& rLine = m_aLines[ impl_getControlPos( _rxControl ) ];
1005 : m_pLineListener->Commit(
1006 0 : rLine.pLine->GetEntryName(),
1007 : impl_getControlAsPropertyValue( rLine )
1008 0 : );
1009 : }
1010 : }
1011 :
1012 :
1013 0 : void SAL_CALL OBrowserListBox::activateNextControl( const Reference< XPropertyControl >& _rxCurrentControl ) throw (RuntimeException)
1014 : {
1015 : DBG_TESTSOLARMUTEX();
1016 :
1017 0 : sal_uInt16 nLine = impl_getControlPos( _rxCurrentControl );
1018 :
1019 : // cycle forwards, 'til we've the next control which can grab the focus
1020 0 : ++nLine;
1021 0 : while ( static_cast< size_t >( nLine ) < m_aLines.size() )
1022 : {
1023 0 : if ( m_aLines[nLine].pLine->GrabFocus() )
1024 0 : break;
1025 0 : ++nLine;
1026 : }
1027 :
1028 : // wrap around?
1029 0 : if ( ( static_cast< size_t >( nLine ) >= m_aLines.size() ) && ( m_aLines.size() > 0 ) )
1030 0 : m_aLines[0].pLine->GrabFocus();
1031 0 : }
1032 :
1033 :
1034 : namespace
1035 : {
1036 :
1037 0 : void lcl_implDisposeControl_nothrow( const Reference< XPropertyControl >& _rxControl )
1038 : {
1039 0 : if ( !_rxControl.is() )
1040 0 : return;
1041 : try
1042 : {
1043 0 : _rxControl->setControlContext( NULL );
1044 0 : Reference< XComponent > xControlComponent( _rxControl, UNO_QUERY );
1045 0 : if ( xControlComponent.is() )
1046 0 : xControlComponent->dispose();
1047 : }
1048 0 : catch( const Exception& )
1049 : {
1050 : DBG_UNHANDLED_EXCEPTION();
1051 : }
1052 : }
1053 : }
1054 :
1055 :
1056 0 : void OBrowserListBox::Clear()
1057 : {
1058 0 : for ( ListBoxLines::iterator loop = m_aLines.begin(); loop != m_aLines.end(); ++loop )
1059 : {
1060 : // hide the line
1061 0 : loop->pLine->Hide();
1062 : // reset the listener
1063 0 : lcl_implDisposeControl_nothrow( loop->pLine->getControl() );
1064 : }
1065 :
1066 0 : clearContainer( m_aLines );
1067 0 : }
1068 :
1069 :
1070 0 : sal_Bool OBrowserListBox::RemoveEntry( const OUString& _rName )
1071 : {
1072 0 : sal_uInt16 nPos = 0;
1073 0 : ListBoxLines::iterator it = m_aLines.begin();
1074 0 : for ( ; it != m_aLines.end() && ( it->aName != _rName ); ++it, ++nPos )
1075 : ;
1076 :
1077 0 : if ( it == m_aLines.end() )
1078 0 : return sal_False;
1079 :
1080 0 : m_aLines.erase( it );
1081 0 : m_aOutOfDateLines.erase( (sal_uInt16)m_aLines.size() );
1082 :
1083 : // update the positions of possibly affected lines
1084 0 : while ( nPos < m_aLines.size() )
1085 0 : m_aOutOfDateLines.insert( nPos++ );
1086 0 : UpdatePosNSize( );
1087 :
1088 0 : return sal_True;
1089 : }
1090 :
1091 :
1092 0 : void OBrowserListBox::ChangeEntry( const OLineDescriptor& _rPropertyData, sal_uInt16 nPos )
1093 : {
1094 : OSL_PRECOND( _rPropertyData.Control.is(), "OBrowserListBox::ChangeEntry: invalid control!" );
1095 0 : if ( !_rPropertyData.Control.is() )
1096 0 : return;
1097 :
1098 0 : if ( nPos == EDITOR_LIST_REPLACE_EXISTING )
1099 0 : nPos = GetPropertyPos( _rPropertyData.sName );
1100 :
1101 0 : if ( nPos < m_aLines.size() )
1102 : {
1103 0 : Window* pRefWindow = NULL;
1104 0 : if ( nPos > 0 )
1105 0 : pRefWindow = m_aLines[nPos-1].pLine->GetRefWindow();
1106 :
1107 : // the current line and control
1108 0 : ListBoxLine& rLine = m_aLines[nPos];
1109 :
1110 : // the old control and some data about it
1111 0 : Reference< XPropertyControl > xControl = rLine.pLine->getControl();
1112 0 : Window* pControlWindow = rLine.pLine->getControlWindow();
1113 0 : Point aControlPos;
1114 0 : if ( pControlWindow )
1115 0 : aControlPos = pControlWindow->GetPosPixel();
1116 :
1117 : // clean up the old control
1118 0 : lcl_implDisposeControl_nothrow( xControl );
1119 :
1120 : // set the new control at the line
1121 0 : rLine.pLine->setControl( _rPropertyData.Control );
1122 0 : xControl = rLine.pLine->getControl();
1123 :
1124 0 : if ( xControl.is() )
1125 0 : xControl->setControlContext( m_pControlContextImpl.get() );
1126 :
1127 : // the initial property value
1128 0 : if ( _rPropertyData.bUnknownValue )
1129 0 : xControl->setValue( Any() );
1130 : else
1131 0 : impl_setControlAsPropertyValue( rLine, _rPropertyData.aValue );
1132 :
1133 0 : rLine.pLine->SetTitle(_rPropertyData.DisplayName);
1134 0 : rLine.xHandler = _rPropertyData.xPropertyHandler;
1135 :
1136 0 : sal_uInt16 nTextWidth = (sal_uInt16)m_aLinesPlayground.GetTextWidth(_rPropertyData.DisplayName);
1137 0 : if (m_nTheNameSize< nTextWidth)
1138 0 : m_nTheNameSize = nTextWidth;
1139 :
1140 0 : if ( _rPropertyData.HasPrimaryButton )
1141 : {
1142 0 : if ( !_rPropertyData.PrimaryButtonImageURL.isEmpty() )
1143 0 : rLine.pLine->ShowBrowseButton( _rPropertyData.PrimaryButtonImageURL, true );
1144 0 : else if ( _rPropertyData.PrimaryButtonImage.is() )
1145 0 : rLine.pLine->ShowBrowseButton( Image( _rPropertyData.PrimaryButtonImage ), true );
1146 : else
1147 0 : rLine.pLine->ShowBrowseButton( true );
1148 :
1149 0 : if ( _rPropertyData.HasSecondaryButton )
1150 : {
1151 0 : if ( !_rPropertyData.SecondaryButtonImageURL.isEmpty() )
1152 0 : rLine.pLine->ShowBrowseButton( _rPropertyData.SecondaryButtonImageURL, false );
1153 0 : else if ( _rPropertyData.SecondaryButtonImage.is() )
1154 0 : rLine.pLine->ShowBrowseButton( Image( _rPropertyData.SecondaryButtonImage ), false );
1155 : else
1156 0 : rLine.pLine->ShowBrowseButton( false );
1157 : }
1158 : else
1159 0 : rLine.pLine->HideBrowseButton( false );
1160 :
1161 0 : rLine.pLine->SetClickListener( this );
1162 : }
1163 : else
1164 : {
1165 0 : rLine.pLine->HideBrowseButton( true );
1166 0 : rLine.pLine->HideBrowseButton( false );
1167 : }
1168 :
1169 : DBG_ASSERT( ( _rPropertyData.IndentLevel == 0 ) || ( _rPropertyData.IndentLevel == 1 ),
1170 : "OBrowserListBox::ChangeEntry: unsupported indent level!" );
1171 0 : rLine.pLine->IndentTitle( _rPropertyData.IndentLevel > 0 );
1172 :
1173 0 : if ( nPos > 0 )
1174 0 : rLine.pLine->SetTabOrder( pRefWindow, WINDOW_ZORDER_BEHIND );
1175 : else
1176 0 : rLine.pLine->SetTabOrder( pRefWindow, WINDOW_ZORDER_FIRST );
1177 :
1178 0 : m_aOutOfDateLines.insert( nPos );
1179 : rLine.pLine->SetComponentHelpIds(
1180 : HelpIdUrl::getHelpId( _rPropertyData.HelpURL ),
1181 : OUStringToOString( _rPropertyData.PrimaryButtonId, RTL_TEXTENCODING_UTF8 ),
1182 : OUStringToOString( _rPropertyData.SecondaryButtonId, RTL_TEXTENCODING_UTF8 )
1183 0 : );
1184 :
1185 0 : if ( _rPropertyData.bReadOnly )
1186 : {
1187 0 : rLine.pLine->SetReadOnly( true );
1188 :
1189 : // user controls (i.e. the ones not provided by the usual
1190 : // XPropertyControlFactory) have no chance to know that they should be read-only,
1191 : // since XPropertyHandler::describePropertyLine does not transport this
1192 : // information.
1193 : // So, we manually switch this to read-only.
1194 0 : if ( xControl.is() && ( xControl->getControlType() == PropertyControlType::Unknown ) )
1195 : {
1196 0 : Window *pWindow = rLine.pLine->getControlWindow();
1197 0 : Edit* pControlWindowAsEdit = dynamic_cast<Edit*>(pWindow);
1198 0 : if (pControlWindowAsEdit)
1199 0 : pControlWindowAsEdit->SetReadOnly(true);
1200 : else
1201 0 : pWindow->Enable(false);
1202 : }
1203 0 : }
1204 : }
1205 : }
1206 :
1207 :
1208 0 : bool OBrowserListBox::PreNotify( NotifyEvent& _rNEvt )
1209 : {
1210 0 : switch ( _rNEvt.GetType() )
1211 : {
1212 : case EVENT_KEYINPUT:
1213 : {
1214 0 : const KeyEvent* pKeyEvent = _rNEvt.GetKeyEvent();
1215 0 : if ( ( pKeyEvent->GetKeyCode().GetModifier() != 0 )
1216 0 : || ( ( pKeyEvent->GetKeyCode().GetCode() != KEY_PAGEUP )
1217 0 : && ( pKeyEvent->GetKeyCode().GetCode() != KEY_PAGEDOWN )
1218 : )
1219 : )
1220 0 : break;
1221 :
1222 0 : long nScrollOffset = 0;
1223 0 : if ( m_aVScroll.IsVisible() )
1224 : {
1225 0 : if ( pKeyEvent->GetKeyCode().GetCode() == KEY_PAGEUP )
1226 0 : nScrollOffset = -m_aVScroll.GetPageSize();
1227 0 : else if ( pKeyEvent->GetKeyCode().GetCode() == KEY_PAGEDOWN )
1228 0 : nScrollOffset = m_aVScroll.GetPageSize();
1229 : }
1230 :
1231 0 : if ( nScrollOffset )
1232 : {
1233 0 : long nNewThumbPos = m_aVScroll.GetThumbPos() + nScrollOffset;
1234 0 : nNewThumbPos = ::std::max( nNewThumbPos, m_aVScroll.GetRangeMin() );
1235 0 : nNewThumbPos = ::std::min( nNewThumbPos, m_aVScroll.GetRangeMax() );
1236 0 : m_aVScroll.DoScroll( nNewThumbPos );
1237 0 : nNewThumbPos = m_aVScroll.GetThumbPos();
1238 :
1239 0 : sal_uInt16 nFocusControlPos = 0;
1240 0 : sal_uInt16 nActiveControlPos = impl_getControlPos( m_xActiveControl );
1241 0 : if ( nActiveControlPos < nNewThumbPos )
1242 0 : nFocusControlPos = (sal_uInt16)nNewThumbPos;
1243 0 : else if ( nActiveControlPos >= nNewThumbPos + CalcVisibleLines() )
1244 0 : nFocusControlPos = (sal_uInt16)nNewThumbPos + CalcVisibleLines() - 1;
1245 0 : if ( nFocusControlPos )
1246 : {
1247 0 : if ( nFocusControlPos < m_aLines.size() )
1248 : {
1249 0 : m_aLines[ nFocusControlPos ].pLine->GrabFocus();
1250 : }
1251 : else
1252 : OSL_FAIL( "OBrowserListBox::PreNotify: internal error, invalid focus control position!" );
1253 : }
1254 : }
1255 :
1256 0 : return true;
1257 : // handled this. In particular, we also consume PageUp/Down events if we do not use them for scrolling,
1258 : // otherwise they would be used to scroll the document view, which does not sound like it is desired by
1259 : // the user.
1260 : }
1261 : }
1262 0 : return Control::PreNotify( _rNEvt );
1263 : }
1264 :
1265 :
1266 0 : bool OBrowserListBox::Notify( NotifyEvent& _rNEvt )
1267 : {
1268 0 : switch ( _rNEvt.GetType() )
1269 : {
1270 : case EVENT_COMMAND:
1271 : {
1272 0 : const CommandEvent* pCommand = _rNEvt.GetCommandEvent();
1273 0 : if ( ( COMMAND_WHEEL == pCommand->GetCommand() )
1274 0 : || ( COMMAND_STARTAUTOSCROLL == pCommand->GetCommand() )
1275 0 : || ( COMMAND_AUTOSCROLL == pCommand->GetCommand() )
1276 : )
1277 : {
1278 : // interested in scroll events if we have a scrollbar
1279 0 : if ( m_aVScroll.IsVisible() )
1280 : {
1281 0 : HandleScrollCommand( *pCommand, NULL, &m_aVScroll );
1282 : }
1283 : }
1284 : }
1285 0 : break;
1286 : }
1287 :
1288 0 : return Control::Notify( _rNEvt );
1289 : }
1290 :
1291 :
1292 0 : } // namespace pcr
1293 :
1294 :
1295 :
1296 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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