Bug Summary

File:home/maarten/src/libreoffice/core/include/rtl/ref.hxx
Warning:line 192, column 9
Use of memory after it is freed

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name toolbar.cxx -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/11.0.0 -D BOOST_ERROR_CODE_HEADER_ONLY -D BOOST_SYSTEM_NO_DEPRECATED -D CPPU_ENV=gcc3 -D LINUX -D OSL_DEBUG_LEVEL=1 -D SAL_LOG_INFO -D SAL_LOG_WARN -D UNIX -D UNX -D X86_64 -D _PTHREADS -D _REENTRANT -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/external/boost/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/boost -I /home/maarten/src/libreoffice/core/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include/linux -I /home/maarten/src/libreoffice/core/config_host -I /home/maarten/src/libreoffice/core/extensions/inc -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/x86_64-redhat-linux -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/backward -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/11.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O0 -Wno-missing-braces -std=c++17 -fdeprecated-macro -fdebug-compilation-dir /home/maarten/src/libreoffice/core -ferror-limit 19 -fvisibility hidden -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -debug-info-kind=constructor -analyzer-output=html -faddrsig -o /home/maarten/tmp/wis/scan-build-libreoffice/output/report/2020-10-07-141433-9725-1 -x c++ /home/maarten/src/libreoffice/core/extensions/source/bibliography/toolbar.cxx

/home/maarten/src/libreoffice/core/extensions/source/bibliography/toolbar.cxx

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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 <sal/config.h>
21
22#include <string_view>
23
24#include <comphelper/processfactory.hxx>
25#include <com/sun/star/frame/XDispatch.hpp>
26#include <com/sun/star/frame/XDispatchProvider.hpp>
27#include <com/sun/star/util/URLTransformer.hpp>
28#include <com/sun/star/util/XURLTransformer.hpp>
29#include <com/sun/star/frame/FrameSearchFlag.hpp>
30#include "datman.hxx"
31#include "toolbar.hxx"
32#include <o3tl/any.hxx>
33#include <svtools/miscopt.hxx>
34#include <svtools/imgdef.hxx>
35#include <vcl/svapp.hxx>
36#include <vcl/settings.hxx>
37#include <vcl/mnemonic.hxx>
38#include <vcl/event.hxx>
39#include <bitmaps.hlst>
40
41#include "bibtools.hxx"
42
43using namespace ::com::sun::star;
44using namespace ::com::sun::star::uno;
45using namespace ::com::sun::star::beans;
46
47
48// Constants --------------------------------------------------------------
49
50
51BibToolBarListener::BibToolBarListener(BibToolBar *pTB, const OUString& aStr, sal_uInt16 nId):
52 nIndex(nId),
53 aCommand(aStr),
54 pToolBar(pTB)
55{
56}
57
58BibToolBarListener::~BibToolBarListener()
59{
60}
61
62void BibToolBarListener::statusChanged(const css::frame::FeatureStateEvent& rEvt)
63{
64 if(rEvt.FeatureURL.Complete == aCommand)
65 {
66 SolarMutexGuard aGuard;
67 pToolBar->EnableItem(nIndex,rEvt.IsEnabled);
68
69 css::uno::Any aState=rEvt.State;
70 if(auto bChecked = o3tl::tryAccess<bool>(aState))
71 {
72 pToolBar->CheckItem(nIndex, *bChecked);
73 }
74
75 }
76};
77
78
79BibTBListBoxListener::BibTBListBoxListener(BibToolBar *pTB, const OUString& aStr, sal_uInt16 nId):
80 BibToolBarListener(pTB,aStr,nId)
81{
82}
83
84BibTBListBoxListener::~BibTBListBoxListener()
85{
86}
87
88void BibTBListBoxListener::statusChanged(const css::frame::FeatureStateEvent& rEvt)
89{
90 if(rEvt.FeatureURL.Complete != GetCommand())
91 return;
92
93 SolarMutexGuard aGuard;
94 pToolBar->EnableSourceList(rEvt.IsEnabled);
95
96 Any aState = rEvt.State;
97 if(auto pStringSeq = o3tl::tryAccess<Sequence<OUString>>(aState))
98 {
99 pToolBar->UpdateSourceList(false);
100 pToolBar->ClearSourceList();
101
102 const OUString* pStringArray = pStringSeq->getConstArray();
103
104 sal_uInt32 nCount = pStringSeq->getLength();
105 OUString aEntry;
106 for( sal_uInt32 i=0; i<nCount; i++ )
107 {
108 aEntry = pStringArray[i];
109 pToolBar->InsertSourceEntry(aEntry);
110 }
111 pToolBar->UpdateSourceList(true);
112 }
113
114 pToolBar->SelectSourceEntry(rEvt.FeatureDescriptor);
115};
116
117BibTBQueryMenuListener::BibTBQueryMenuListener(BibToolBar *pTB, const OUString& aStr, sal_uInt16 nId):
118 BibToolBarListener(pTB,aStr,nId)
119{
120}
121
122BibTBQueryMenuListener::~BibTBQueryMenuListener()
123{
124}
125
126void BibTBQueryMenuListener::statusChanged(const frame::FeatureStateEvent& rEvt)
127{
128 if(rEvt.FeatureURL.Complete != GetCommand())
129 return;
130
131 SolarMutexGuard aGuard;
132 pToolBar->EnableSourceList(rEvt.IsEnabled);
133
134 uno::Any aState=rEvt.State;
135 auto pStringSeq = o3tl::tryAccess<Sequence<OUString>>(aState);
136 if(!pStringSeq)
137 return;
138
139 pToolBar->ClearFilterMenu();
140
141 const OUString* pStringArray = pStringSeq->getConstArray();
142
143 sal_uInt32 nCount = pStringSeq->getLength();
144 for( sal_uInt32 i=0; i<nCount; i++ )
145 {
146 sal_uInt16 nID = pToolBar->InsertFilterItem(pStringArray[i]);
147 if(pStringArray[i]==rEvt.FeatureDescriptor)
148 {
149 pToolBar->SelectFilterItem(nID);
150 }
151 }
152};
153
154BibTBEditListener::BibTBEditListener(BibToolBar *pTB, const OUString& aStr, sal_uInt16 nId):
155 BibToolBarListener(pTB,aStr,nId)
156{
157}
158
159BibTBEditListener::~BibTBEditListener()
160{
161}
162
163void BibTBEditListener::statusChanged(const frame::FeatureStateEvent& rEvt)
164{
165 if(rEvt.FeatureURL.Complete == GetCommand())
166 {
167 SolarMutexGuard aGuard;
168 pToolBar->EnableQuery(rEvt.IsEnabled);
169
170 uno::Any aState=rEvt.State;
171 if(auto aStr = o3tl::tryAccess<OUString>(aState))
172 {
173 pToolBar->SetQueryString(*aStr);
174 }
175 }
176}
177
178ComboBoxControl::ComboBoxControl(vcl::Window* pParent)
179 : InterimItemWindow(pParent, "modules/sbibliography/ui/combobox.ui", "ComboBox")
180 , m_xFtSource(m_xBuilder->weld_label("label"))
181 , m_xLBSource(m_xBuilder->weld_combo_box("combobox"))
182{
183 m_xFtSource->set_toolbar_background();
184 m_xLBSource->set_toolbar_background();
185 m_xLBSource->set_size_request(100, -1);
186 SetSizePixel(get_preferred_size());
187}
188
189void ComboBoxControl::dispose()
190{
191 m_xLBSource.reset();
192 m_xFtSource.reset();
193 InterimItemWindow::dispose();
194}
195
196ComboBoxControl::~ComboBoxControl()
197{
198 disposeOnce();
199}
200
201EditControl::EditControl(vcl::Window* pParent)
202 : InterimItemWindow(pParent, "modules/sbibliography/ui/editbox.ui", "EditBox")
203 , m_xFtQuery(m_xBuilder->weld_label("label"))
204 , m_xEdQuery(m_xBuilder->weld_entry("entry"))
205{
206 m_xFtQuery->set_toolbar_background();
207 m_xEdQuery->set_toolbar_background();
208 m_xEdQuery->set_size_request(100, -1);
209 SetSizePixel(get_preferred_size());
210}
211
212void EditControl::dispose()
213{
214 m_xEdQuery.reset();
215 m_xFtQuery.reset();
216 InterimItemWindow::dispose();
217}
218
219EditControl::~EditControl()
220{
221 disposeOnce();
222}
223
224BibToolBar::BibToolBar(vcl::Window* pParent, Link<void*,void> aLink)
225 : ToolBox(pParent, "toolbar", "modules/sbibliography/ui/toolbar.ui")
226 , xSource(VclPtr<ComboBoxControl>::Create(this))
227 , pLbSource(xSource->get_widget())
228 , xQuery(VclPtr<EditControl>::Create(this))
229 , pEdQuery(xQuery->get_widget())
230 , pPopupMenu(VclPtr<PopupMenu>::Create())
231 , nMenuId(0)
232 , nSelMenuItem(0)
233 , aLayoutManager(aLink)
234 , nSymbolsSize(SFX_SYMBOLS_SIZE_SMALL)
235 , nOutStyle(0)
236{
237 SvtMiscOptions aSvtMiscOptions;
238 nSymbolsSize = aSvtMiscOptions.GetCurrentSymbolsSize();
239 nOutStyle = aSvtMiscOptions.GetToolboxStyle();
240
241 SetOutStyle(TOOLBOX_STYLE_FLAT);
242 xSource->Show();
243 pLbSource->connect_changed(LINK( this, BibToolBar, SelHdl)::tools::detail::makeLink( ::tools::detail::castTo<BibToolBar
*>(this), &BibToolBar::LinkStubSelHdl));
244
245 SvtMiscOptions().AddListenerLink( LINK( this, BibToolBar, OptionsChanged_Impl )::tools::detail::makeLink( ::tools::detail::castTo<BibToolBar
*>(this), &BibToolBar::LinkStubOptionsChanged_Impl) );
246 Application::AddEventListener( LINK( this, BibToolBar, SettingsChanged_Impl )::tools::detail::makeLink( ::tools::detail::castTo<BibToolBar
*>(this), &BibToolBar::LinkStubSettingsChanged_Impl) );
247
248 aIdle.SetInvokeHandler(LINK( this, BibToolBar, SendSelHdl)::tools::detail::makeLink( ::tools::detail::castTo<BibToolBar
*>(this), &BibToolBar::LinkStubSendSelHdl));
249 aIdle.SetPriority(TaskPriority::LOWEST);
250
251 SetDropdownClickHdl( LINK( this, BibToolBar, MenuHdl)::tools::detail::makeLink( ::tools::detail::castTo<BibToolBar
*>(this), &BibToolBar::LinkStubMenuHdl));
252
253 xQuery->Show();
254
255 nTBC_SOURCE = GetItemId(".uno:Bib/source");
256 nTBC_QUERY = GetItemId(".uno:Bib/query");
257 nTBC_BT_AUTOFILTER = GetItemId(".uno:Bib/autoFilter");
258 nTBC_BT_COL_ASSIGN = GetItemId("TBC_BT_COL_ASSIGN");
259 nTBC_BT_CHANGESOURCE = GetItemId(".uno:Bib/sdbsource");
260 nTBC_BT_FILTERCRIT = GetItemId(".uno:Bib/standardFilter");
261 nTBC_BT_REMOVEFILTER = GetItemId(".uno:Bib/removeFilter");
262
263 SetItemWindow(nTBC_SOURCE, xSource.get());
264 SetItemWindow(nTBC_QUERY , xQuery.get());
265
266 ApplyImageList();
267
268 ::bib::AddToTaskPaneList( this );
269}
270
271BibToolBar::~BibToolBar()
272{
273 disposeOnce();
274}
275
276void BibToolBar::dispose()
277{
278 SvtMiscOptions().RemoveListenerLink( LINK( this, BibToolBar, OptionsChanged_Impl )::tools::detail::makeLink( ::tools::detail::castTo<BibToolBar
*>(this), &BibToolBar::LinkStubOptionsChanged_Impl) );
279 Application::RemoveEventListener( LINK( this, BibToolBar, SettingsChanged_Impl )::tools::detail::makeLink( ::tools::detail::castTo<BibToolBar
*>(this), &BibToolBar::LinkStubSettingsChanged_Impl) );
280 ::bib::RemoveFromTaskPaneList( this );
281 pEdQuery = nullptr;
282 xQuery.disposeAndClear();
283 pLbSource = nullptr;
284 xSource.disposeAndClear();
1
Calling 'VclPtr::disposeAndClear'
→
285 ToolBox::dispose();
286}
287
288void BibToolBar::InitListener()
289{
290 ToolBox::ImplToolItems::size_type nCount=GetItemCount();
291
292 uno::Reference< frame::XDispatch > xDisp(xController,UNO_QUERY);
293 uno::Reference< util::XURLTransformer > xTrans( util::URLTransformer::create(comphelper::getProcessComponentContext()) );
294 if( !xTrans.is() )
295 return;
296
297 util::URL aQueryURL;
298 aQueryURL.Complete = ".uno:Bib/MenuFilter";
299 xTrans->parseStrict( aQueryURL);
300 BibToolBarListener* pQuery=new BibTBQueryMenuListener(this, aQueryURL.Complete, nTBC_BT_AUTOFILTER);
301 xDisp->addStatusListener(uno::Reference< frame::XStatusListener > (pQuery),aQueryURL);
302
303 for(ToolBox::ImplToolItems::size_type nPos=0;nPos<nCount;nPos++)
304 {
305 sal_uInt16 nId=GetItemId(nPos);
306 if (!nId)
307 continue;
308
309 util::URL aURL;
310 aURL.Complete = GetItemCommand(nId);
311 if(aURL.Complete.isEmpty())
312 continue;
313
314 xTrans->parseStrict( aURL );
315
316 css::uno::Reference< css::frame::XStatusListener> xListener;
317 if (nId == nTBC_SOURCE)
318 {
319 xListener=new BibTBListBoxListener(this,aURL.Complete,nId);
320 }
321 else if (nId == nTBC_QUERY)
322 {
323 xListener=new BibTBEditListener(this,aURL.Complete,nId);
324 }
325 else
326 {
327 xListener=new BibToolBarListener(this,aURL.Complete,nId);
328 }
329
330 aListenerArr.push_back( xListener );
331 xDisp->addStatusListener(xListener,aURL);
332 }
333}
334
335void BibToolBar::SetXController(const uno::Reference< frame::XController > & xCtr)
336{
337 xController=xCtr;
338 InitListener();
339
340}
341
342void BibToolBar::Select()
343{
344 sal_uInt16 nId=GetCurItemId();
345
346 if (nId != nTBC_BT_AUTOFILTER)
347 {
348 SendDispatch(nId,Sequence<PropertyValue>() );
349 }
350 else
351 {
352 Sequence<PropertyValue> aPropVal(2);
353 PropertyValue* pPropertyVal = const_cast<PropertyValue*>(aPropVal.getConstArray());
354 pPropertyVal[0].Name="QueryText";
355 OUString aSelection = pEdQuery->get_text();
356 pPropertyVal[0].Value <<= aSelection;
357
358 pPropertyVal[1].Name="QueryField";
359 pPropertyVal[1].Value <<= aQueryField;
360 SendDispatch(nId,aPropVal);
361 }
362}
363
364void BibToolBar::SendDispatch(sal_uInt16 nId, const Sequence< PropertyValue >& rArgs)
365{
366 OUString aCommand = GetItemCommand(nId);
367
368 uno::Reference< frame::XDispatchProvider > xDSP( xController, UNO_QUERY );
369
370 if( !xDSP.is() || aCommand.isEmpty() )
371 return;
372
373 uno::Reference< util::XURLTransformer > xTrans( util::URLTransformer::create(comphelper::getProcessComponentContext()) );
374 if( !xTrans.is() )
375 return;
376
377 // load the file
378 util::URL aURL;
379 aURL.Complete = aCommand;
380
381 xTrans->parseStrict( aURL );
382
383 uno::Reference< frame::XDispatch > xDisp = xDSP->queryDispatch( aURL, OUString(), frame::FrameSearchFlag::SELF );
384
385 if ( xDisp.is() )
386 xDisp->dispatch( aURL, rArgs);
387
388}
389
390void BibToolBar::Click()
391{
392 sal_uInt16 nId = GetCurItemId();
393
394 vcl::Window* pWin = GetParent();
395
396 if (nId == nTBC_BT_COL_ASSIGN )
397 {
398 if (pDatMan)
399 pDatMan->CreateMappingDialog(pWin ? pWin->GetFrameWeld() : nullptr);
400 CheckItem( nId, false );
401 }
402 else if (nId == nTBC_BT_CHANGESOURCE)
403 {
404 if (pDatMan)
405 {
406 OUString sNew = pDatMan->CreateDBChangeDialog(pWin ? pWin->GetFrameWeld() : nullptr);
407 if (!sNew.isEmpty())
408 pDatMan->setActiveDataSource(sNew);
409 }
410 CheckItem( nId, false );
411 }
412}
413
414void BibToolBar::ClearFilterMenu()
415{
416 pPopupMenu->Clear();
417 nMenuId=0;
418}
419sal_uInt16 BibToolBar::InsertFilterItem(const OUString& aMenuEntry)
420{
421 nMenuId++;
422 pPopupMenu->InsertItem(nMenuId,aMenuEntry);
423
424 return nMenuId;
425}
426void BibToolBar::SelectFilterItem(sal_uInt16 nId)
427{
428 pPopupMenu->CheckItem(nId);
429 nSelMenuItem=nId;
430 aQueryField = MnemonicGenerator::EraseAllMnemonicChars( pPopupMenu->GetItemText(nId) );
431}
432
433void BibToolBar::EnableSourceList(bool bFlag)
434{
435 xSource->set_sensitive(bFlag);
436}
437
438void BibToolBar::ClearSourceList()
439{
440 pLbSource->clear();
441}
442
443void BibToolBar::UpdateSourceList(bool bFlag)
444{
445 if (bFlag)
446 pLbSource->thaw();
447 else
448 pLbSource->freeze();
449}
450
451void BibToolBar::InsertSourceEntry(const OUString& aEntry)
452{
453 pLbSource->append_text(aEntry);
454}
455
456void BibToolBar::SelectSourceEntry(const OUString& aStr)
457{
458 pLbSource->set_active_text(aStr);
459}
460
461void BibToolBar::EnableQuery(bool bFlag)
462{
463 xQuery->set_sensitive(bFlag);
464}
465
466void BibToolBar::SetQueryString(const OUString& aStr)
467{
468 pEdQuery->set_text(aStr);
469}
470
471bool BibToolBar::PreNotify( NotifyEvent& rNEvt )
472{
473 bool bResult = true;
474
475 MouseNotifyEvent nSwitch=rNEvt.GetType();
476 if (pEdQuery && pEdQuery->has_focus() && nSwitch == MouseNotifyEvent::KEYINPUT)
477 {
478 const vcl::KeyCode& aKeyCode=rNEvt.GetKeyEvent()->GetKeyCode();
479 sal_uInt16 nKey = aKeyCode.GetCode();
480 if(nKey == KEY_RETURN)
481 {
482 Sequence<PropertyValue> aPropVal(2);
483 PropertyValue* pPropertyVal = const_cast<PropertyValue*>(aPropVal.getConstArray());
484 pPropertyVal[0].Name = "QueryText";
485 OUString aSelection = pEdQuery->get_text();
486 pPropertyVal[0].Value <<= aSelection;
487 pPropertyVal[1].Name="QueryField";
488 pPropertyVal[1].Value <<= aQueryField;
489 SendDispatch(nTBC_BT_AUTOFILTER, aPropVal);
490 return bResult;
491 }
492
493 }
494
495 bResult=ToolBox::PreNotify(rNEvt);
496
497 return bResult;
498}
499
500IMPL_LINK_NOARG( BibToolBar, SelHdl, weld::ComboBox&, void )void BibToolBar::LinkStubSelHdl(void * instance, weld::ComboBox
& data) { return static_cast<BibToolBar *>(instance
)->SelHdl(data); } void BibToolBar::SelHdl(__attribute__ (
(unused)) weld::ComboBox&)
501{
502 aIdle.Start();
503}
504
505IMPL_LINK_NOARG( BibToolBar, SendSelHdl, Timer*, void )void BibToolBar::LinkStubSendSelHdl(void * instance, Timer* data
) { return static_cast<BibToolBar *>(instance)->SendSelHdl
(data); } void BibToolBar::SendSelHdl(__attribute__ ((unused)
) Timer*)
506{
507 Sequence<PropertyValue> aPropVal(1);
508 PropertyValue* pPropertyVal = const_cast<PropertyValue*>(aPropVal.getConstArray());
509 pPropertyVal[0].Name = "DataSourceName";
510 OUString aEntry( MnemonicGenerator::EraseAllMnemonicChars( pLbSource->get_active_text() ) );
511 pPropertyVal[0].Value <<= aEntry;
512 SendDispatch(nTBC_SOURCE, aPropVal);
513}
514
515IMPL_LINK_NOARG( BibToolBar, MenuHdl, ToolBox*, void)void BibToolBar::LinkStubMenuHdl(void * instance, ToolBox* data
) { return static_cast<BibToolBar *>(instance)->MenuHdl
(data); } void BibToolBar::MenuHdl(__attribute__ ((unused)) ToolBox
*)
516{
517 sal_uInt16 nId=GetCurItemId();
518 if (nId != nTBC_BT_AUTOFILTER)
519 return;
520
521 EndSelection(); // before SetDropMode (SetDropMode calls SetItemImage)
522
523 SetItemDown(nTBC_BT_AUTOFILTER, true);
524 nId = pPopupMenu->Execute(this, GetItemRect(nTBC_BT_AUTOFILTER));
525
526
527 if(nId>0)
528 {
529 pPopupMenu->CheckItem(nSelMenuItem,false);
530 pPopupMenu->CheckItem(nId);
531 nSelMenuItem=nId;
532 aQueryField = MnemonicGenerator::EraseAllMnemonicChars( pPopupMenu->GetItemText(nId) );
533 Sequence<PropertyValue> aPropVal(2);
534 PropertyValue* pPropertyVal = const_cast<PropertyValue*>(aPropVal.getConstArray());
535 pPropertyVal[0].Name = "QueryText";
536 OUString aSelection = pEdQuery->get_text();
537 pPropertyVal[0].Value <<= aSelection;
538 pPropertyVal[1].Name="QueryField";
539 pPropertyVal[1].Value <<= aQueryField;
540 SendDispatch(nTBC_BT_AUTOFILTER, aPropVal);
541 }
542
543 MouseEvent aLeave( Point(), 0, MouseEventModifiers::LEAVEWINDOW | MouseEventModifiers::SYNTHETIC );
544 MouseMove( aLeave );
545 SetItemDown(nTBC_BT_AUTOFILTER, false);
546}
547
548void BibToolBar::statusChanged(const frame::FeatureStateEvent& rEvent)
549{
550 for(uno::Reference<frame::XStatusListener> & rListener : aListenerArr)
551 {
552 rListener->statusChanged(rEvent);
553 }
554}
555
556void BibToolBar::DataChanged( const DataChangedEvent& rDCEvt )
557{
558 if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
559 (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
560 ApplyImageList();
561 ToolBox::DataChanged( rDCEvt );
562}
563
564IMPL_LINK_NOARG( BibToolBar, OptionsChanged_Impl, LinkParamNone*, void )void BibToolBar::LinkStubOptionsChanged_Impl(void * instance,
LinkParamNone* data) { return static_cast<BibToolBar *>
(instance)->OptionsChanged_Impl(data); } void BibToolBar::
OptionsChanged_Impl(__attribute__ ((unused)) LinkParamNone*)
565{
566 bool bRebuildToolBar = false;
567 sal_Int16 eSymbolsSize = SvtMiscOptions().GetCurrentSymbolsSize();
568 if ( nSymbolsSize != eSymbolsSize )
569 {
570 nSymbolsSize = eSymbolsSize;
571 bRebuildToolBar = true;
572 }
573 else if ( nOutStyle != SvtMiscOptions().GetToolboxStyle() )
574 {
575 nOutStyle = SvtMiscOptions().GetToolboxStyle();
576 SetOutStyle( nOutStyle );
577 bRebuildToolBar = true;
578 }
579
580 if ( bRebuildToolBar )
581 RebuildToolbar();
582}
583
584IMPL_LINK_NOARG( BibToolBar, SettingsChanged_Impl, VclSimpleEvent&, void )void BibToolBar::LinkStubSettingsChanged_Impl(void * instance
, VclSimpleEvent& data) { return static_cast<BibToolBar
*>(instance)->SettingsChanged_Impl(data); } void BibToolBar
::SettingsChanged_Impl(__attribute__ ((unused)) VclSimpleEvent
&)
585{
586 // Check if toolbar button size have changed and we have to use system settings
587 sal_Int16 eSymbolsSize = SvtMiscOptions().GetCurrentSymbolsSize();
588 if ( eSymbolsSize != nSymbolsSize )
589 {
590 nSymbolsSize = eSymbolsSize;
591 RebuildToolbar();
592 }
593}
594
595void BibToolBar::RebuildToolbar()
596{
597 ApplyImageList();
598 // We have to call parent asynchronously as SetSize works also asynchronously!
599 Application::PostUserEvent( aLayoutManager );
600}
601
602void BibToolBar::ApplyImageList()
603{
604 SetItemImage(nTBC_BT_AUTOFILTER, Image(StockImage::Yes, nSymbolsSize == SFX_SYMBOLS_SIZE_SMALL ? std::u16string_view(u"" RID_EXTBMP_AUTOFILTER_SC"res/sc10716.png") : std::u16string_view(u"" RID_EXTBMP_AUTOFILTER_LC"res/lc10716.png")));
605 SetItemImage(nTBC_BT_FILTERCRIT, Image(StockImage::Yes, nSymbolsSize == SFX_SYMBOLS_SIZE_SMALL ? std::u16string_view(u"" RID_EXTBMP_FILTERCRIT_SC"res/sc10715.png") : std::u16string_view(u"" RID_EXTBMP_FILTERCRIT_LC"res/lc10715.png")));
606 SetItemImage(nTBC_BT_REMOVEFILTER, Image(StockImage::Yes, nSymbolsSize == SFX_SYMBOLS_SIZE_SMALL ? std::u16string_view(u"" RID_EXTBMP_REMOVE_FILTER_SORT_SC"res/sc10711.png") : std::u16string_view(u"" RID_EXTBMP_REMOVE_FILTER_SORT_LC"res/lc10711.png")));
607 AdjustToolBox();
608}
609
610void BibToolBar::AdjustToolBox()
611{
612 Size aOldSize = GetSizePixel();
613 Size aSize = CalcWindowSizePixel();
614 if ( !aSize.Width() )
615 aSize.setWidth( aOldSize.Width() );
616 else if ( !aSize.Height() )
617 aSize.setHeight( aOldSize.Height() );
618
619 Size aTbSize = GetSizePixel();
620 if (
621 (aSize.Width() && aSize.Width() != aTbSize.Width()) ||
622 (aSize.Height() && aSize.Height() != aTbSize.Height())
623 )
624 {
625 SetPosSizePixel( GetPosPixel(), aSize );
626 Invalidate();
627 }
628}
629
630/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx

→
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#ifndef INCLUDED_VCL_PTR_HXX
21#define INCLUDED_VCL_PTR_HXX
22
23#include <sal/config.h>
24
25#include <rtl/ref.hxx>
26
27#include <utility>
28#include <type_traits>
29
30#ifdef DBG_UTIL
31#ifndef _WIN32
32#include <vcl/vclmain.hxx>
33#endif
34#endif
35
36class VclReferenceBase;
37
38namespace vcl::detail {
39
40template<typename>
41constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; }
42
43template<typename T> constexpr bool isIncompleteOrDerivedFromVclReferenceBase(
44 int (*)[sizeof(T)])
45{ return std::is_base_of<VclReferenceBase, T>::value; }
46
47} // namespace vcl::detail
48
49/**
50 * A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses.
51 *
52 * For more details on the design please see vcl/README.lifecycle
53 *
54 * @param reference_type must be a subclass of vcl::Window
55 */
56template <class reference_type>
57class VclPtr
58{
59 static_assert(
60 vcl::detail::isIncompleteOrDerivedFromVclReferenceBase<reference_type>(
61 nullptr),
62 "template argument type must be derived from VclReferenceBase");
63
64 ::rtl::Reference<reference_type> m_rInnerRef;
65
66public:
67 /** Constructor...
68 */
69 VclPtr()
70 : m_rInnerRef()
71 {}
72
73 /** Constructor...
74 */
75 VclPtr (reference_type * pBody)
76 : m_rInnerRef(pBody)
77 {}
78
79 /** Constructor... that doesn't take a ref.
80 */
81 VclPtr (reference_type * pBody, __sal_NoAcquire)
82 : m_rInnerRef(pBody, SAL_NO_ACQUIRE)
83 {}
84
85 /** Up-casting conversion constructor: Copies interface reference.
86
87 Does not work for up-casts to ambiguous bases. For the special case of
88 up-casting to Reference< XInterface >, see the corresponding conversion
89 operator.
90
91 @param rRef another reference
92 */
93 template< class derived_type >
94 VclPtr(
95 const VclPtr< derived_type > & rRef,
96 typename std::enable_if<
97 std::is_base_of<reference_type, derived_type>::value, int>::type
98 = 0 )
99 : m_rInnerRef( static_cast<reference_type*>(rRef) )
100 {
101 }
102
103#if defined(DBG_UTIL) && !defined(_WIN32)
104 virtual ~VclPtr()
105 {
106 assert(m_rInnerRef.get() == nullptr || vclmain::isAlive())(static_cast <bool> (m_rInnerRef.get() == nullptr || vclmain
::isAlive()) ? void (0) : __assert_fail ("m_rInnerRef.get() == nullptr || vclmain::isAlive()"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 106, __extension__ __PRETTY_FUNCTION__));
107 // We can be one of the intermediate counts, but if we are the last
108 // VclPtr keeping this object alive, then something forgot to call dispose().
109 assert((!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1)(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__))
110 && "someone forgot to call dispose()")(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__));
111 }
112 VclPtr(VclPtr const &) = default;
113 VclPtr(VclPtr &&) = default;
114 VclPtr & operator =(VclPtr const &) = default;
115 VclPtr & operator =(VclPtr &&) = default;
116#endif
117
118 /**
119 * A construction helper for VclPtr. Since VclPtr types are created
120 * with a reference-count of one - to help fit into the existing
121 * code-flow; this helps us to construct them easily.
122 *
123 * For more details on the design please see vcl/README.lifecycle
124 *
125 * @tparam reference_type must be a subclass of vcl::Window
126 */
127 template<typename... Arg> [[nodiscard]] static VclPtr< reference_type > Create(Arg &&... arg)
128 {
129 return VclPtr< reference_type >( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE );
130 }
131
132 /** Probably most common used: handle->someBodyOp().
133 */
134 reference_type * operator->() const
135 {
136 return m_rInnerRef.get();
137 }
138
139 /** Get the body. Can be used instead of operator->().
140 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
141 are the same.
142 */
143 reference_type * get() const
144 {
145 return m_rInnerRef.get();
146 }
147
148 void set(reference_type *pBody)
149 {
150 m_rInnerRef.set(pBody);
151 }
152
153 void reset(reference_type *pBody)
154 {
155 m_rInnerRef.set(pBody);
156 }
157
158 /** Up-casting copy assignment operator.
159
160 Does not work for up-casts to ambiguous bases.
161
162 @param rRef another reference
163 */
164 template<typename derived_type>
165 typename std::enable_if<
166 std::is_base_of<reference_type, derived_type>::value,
167 VclPtr &>::type
168 operator =(VclPtr<derived_type> const & rRef)
169 {
170 m_rInnerRef.set(rRef.get());
171 return *this;
172 }
173
174 VclPtr & operator =(reference_type * pBody)
175 {
176 m_rInnerRef.set(pBody);
177 return *this;
178 }
179
180 operator reference_type * () const
181 {
182 return m_rInnerRef.get();
183 }
184
185 explicit operator bool () const
186 {
187 return m_rInnerRef.get() != nullptr;
188 }
189
190 void clear()
191 {
192 m_rInnerRef.clear();
193 }
194
195 void reset()
196 {
197 m_rInnerRef.clear();
198 }
199
200 void disposeAndClear()
201 {
202 // hold it alive for the lifetime of this method
203 ::rtl::Reference<reference_type> aTmp(m_rInnerRef);
2
←
Calling copy constructor for 'Reference<ComboBoxControl>'
→
5
←
Returning from copy constructor for 'Reference<ComboBoxControl>'
→
204 m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
6
←
Calling 'Reference::clear'
→
13
←
Returning; memory was released
→
205 if (aTmp.get()) {
14
←
Calling 'Reference::get'
→
206 aTmp->disposeOnce();
207 }
208 }
209
210 /** Needed to place VclPtr's into STL collection.
211 */
212 bool operator< (const VclPtr<reference_type> & handle) const
213 {
214 return (m_rInnerRef < handle.m_rInnerRef);
215 }
216}; // class VclPtr
217
218template<typename T1, typename T2>
219inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
220 return p1.get() == p2.get();
221}
222
223template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2)
224{
225 return p1.get() == p2;
226}
227
228template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) {
229 return p1.get() == p2;
230}
231
232template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2)
233{
234 return p1 == p2.get();
235}
236
237template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) {
238 return p1 == p2.get();
239}
240
241template<typename T1, typename T2>
242inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
243 return !(p1 == p2);
244}
245
246template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2)
247{
248 return !(p1 == p2);
249}
250
251template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) {
252 return !(p1 == p2);
253}
254
255template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2)
256{
257 return !(p1 == p2);
258}
259
260template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) {
261 return !(p1 == p2);
262}
263
264/**
265 * A construction helper for a temporary VclPtr. Since VclPtr types
266 * are created with a reference-count of one - to help fit into
267 * the existing code-flow; this helps us to construct them easily.
268 * see also VclPtr::Create and ScopedVclPtr
269 *
270 * For more details on the design please see vcl/README.lifecycle
271 *
272 * @param reference_type must be a subclass of vcl::Window
273 */
274template <class reference_type>
275class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type>
276{
277public:
278 template<typename... Arg> VclPtrInstance(Arg &&... arg)
279 : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
280 {
281 }
282
283 /**
284 * Override and disallow this, to prevent people accidentally calling it and actually
285 * getting VclPtr::Create and getting a naked VclPtr<> instance
286 */
287 template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete;
288};
289
290template <class reference_type>
291class ScopedVclPtr : public VclPtr<reference_type>
292{
293public:
294 /** Constructor...
295 */
296 ScopedVclPtr()
297 : VclPtr<reference_type>()
298 {}
299
300 /** Constructor
301 */
302 ScopedVclPtr (reference_type * pBody)
303 : VclPtr<reference_type>(pBody)
304 {}
305
306 /** Copy constructor...
307 */
308 ScopedVclPtr (const VclPtr<reference_type> & handle)
309 : VclPtr<reference_type>(handle)
310 {}
311
312 /**
313 Assignment that releases the last reference.
314 */
315 void disposeAndReset(reference_type *pBody)
316 {
317 if (pBody != this->get()) {
318 VclPtr<reference_type>::disposeAndClear();
319 VclPtr<reference_type>::set(pBody);
320 }
321 }
322
323 /**
324 Assignment that releases the last reference.
325 */
326 ScopedVclPtr<reference_type>& operator = (reference_type * pBody)
327 {
328 disposeAndReset(pBody);
329 return *this;
330 }
331
332 /** Up-casting conversion constructor: Copies interface reference.
333
334 Does not work for up-casts to ambiguous bases. For the special case of
335 up-casting to Reference< XInterface >, see the corresponding conversion
336 operator.
337
338 @param rRef another reference
339 */
340 template< class derived_type >
341 ScopedVclPtr(
342 const VclPtr< derived_type > & rRef,
343 typename std::enable_if<
344 std::is_base_of<reference_type, derived_type>::value, int>::type
345 = 0 )
346 : VclPtr<reference_type>( rRef )
347 {
348 }
349
350 /** Up-casting assignment operator.
351
352 Does not work for up-casts to ambiguous bases.
353
354 @param rRef another VclPtr
355 */
356 template<typename derived_type>
357 typename std::enable_if<
358 std::is_base_of<reference_type, derived_type>::value,
359 ScopedVclPtr &>::type
360 operator =(VclPtr<derived_type> const & rRef)
361 {
362 disposeAndReset(rRef.get());
363 return *this;
364 }
365
366 /**
367 * Override and disallow this, to prevent people accidentally calling it and actually
368 * getting VclPtr::Create and getting a naked VclPtr<> instance
369 */
370 template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete;
371
372 ~ScopedVclPtr()
373 {
374 VclPtr<reference_type>::disposeAndClear();
375 assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get(
) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 375, __extension__ __PRETTY_FUNCTION__)); // make sure there are no lingering references
376 }
377
378private:
379 // Most likely we don't want this default copy-constructor.
380 ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete;
381 // And certainly we don't want a default assignment operator.
382 ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete;
383 // And disallow reset as that doesn't call disposeAndClear on the original reference
384 void reset() = delete;
385 void reset(reference_type *pBody) = delete;
386
387protected:
388 ScopedVclPtr (reference_type * pBody, __sal_NoAcquire)
389 : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE)
390 {}
391};
392
393/**
394 * A construction helper for ScopedVclPtr. Since VclPtr types are created
395 * with a reference-count of one - to help fit into the existing
396 * code-flow; this helps us to construct them easily.
397 *
398 * For more details on the design please see vcl/README.lifecycle
399 *
400 * @param reference_type must be a subclass of vcl::Window
401 */
402#if defined _MSC_VER
403#pragma warning(push)
404#pragma warning(disable: 4521) // " multiple copy constructors specified"
405#endif
406template <class reference_type>
407class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type>
408{
409public:
410 template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg)
411 : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
412 {
413 }
414
415 /**
416 * Override and disallow this, to prevent people accidentally calling it and actually
417 * getting VclPtr::Create and getting a naked VclPtr<> instance
418 */
419 template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete;
420
421private:
422 // Prevent the above perfect forwarding ctor from hijacking (accidental)
423 // attempts at ScopedVclPtrInstance copy construction (where the hijacking
424 // would typically lead to somewhat obscure error messages); both non-const
425 // and const variants are needed here, as the ScopedVclPtr base class has a
426 // const--variant copy ctor, so the implicitly declared copy ctor for
427 // ScopedVclPtrInstance would also be the const variant, so non-const copy
428 // construction attempts would be hijacked by the perfect forwarding ctor;
429 // but if we only declared a non-const variant here, the const variant would
430 // no longer be implicitly declared (as there would already be an explicitly
431 // declared copy ctor), so const copy construction attempts would then be
432 // hijacked by the perfect forwarding ctor:
433 ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete;
434 ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete;
435};
436#if defined _MSC_VER
437#pragma warning(pop)
438#endif
439
440#endif // INCLUDED_VCL_PTR_HXX
441
442/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

/home/maarten/src/libreoffice/core/include/rtl/ref.hxx

→
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#ifndef INCLUDED_RTL_REF_HXX
21#define INCLUDED_RTL_REF_HXX
22
23#include "sal/config.h"
24
25#include <cassert>
26#include <cstddef>
27#include <functional>
28#ifdef LIBO_INTERNAL_ONLY1
29#include <type_traits>
30#endif
31
32#include "sal/types.h"
33
34namespace rtl
35{
36
37/** Template reference class for reference type.
38*/
39template <class reference_type>
40class Reference
41{
42 /** The <b>reference_type</b> body pointer.
43 */
44 reference_type * m_pBody;
45
46
47public:
48 /** Constructor...
49 */
50 Reference()
51 : m_pBody (NULL__null)
52 {}
53
54
55 /** Constructor...
56 */
57 Reference (reference_type * pBody, __sal_NoAcquire)
58 : m_pBody (pBody)
59 {
60 }
61
62 /** Constructor...
63 */
64 Reference (reference_type * pBody)
65 : m_pBody (pBody)
66 {
67 if (m_pBody)
68 m_pBody->acquire();
69 }
70
71 /** Copy constructor...
72 */
73 Reference (const Reference<reference_type> & handle)
74 : m_pBody (handle.m_pBody)
75 {
76 if (m_pBody)
3
←
Assuming field 'm_pBody' is non-null
→
4
←
Taking true branch
→
77 m_pBody->acquire();
78 }
79
80#ifdef LIBO_INTERNAL_ONLY1
81 /** Move constructor...
82 */
83 Reference (Reference<reference_type> && handle) noexcept
84 : m_pBody (handle.m_pBody)
85 {
86 handle.m_pBody = nullptr;
87 }
88#endif
89
90#if defined LIBO_INTERNAL_ONLY1
91 /** Up-casting conversion constructor: Copies interface reference.
92
93 Does not work for up-casts to ambiguous bases.
94
95 @param rRef another reference
96 */
97 template< class derived_type >
98 inline Reference(
99 const Reference< derived_type > & rRef,
100 std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 )
101 : m_pBody (rRef.get())
102 {
103 if (m_pBody)
104 m_pBody->acquire();
105 }
106#endif
107
108 /** Destructor...
109 */
110 ~Reference() COVERITY_NOEXCEPT_FALSE
111 {
112 if (m_pBody)
113 m_pBody->release();
114 }
115
116 /** Set...
117 Similar to assignment.
118 */
119 Reference<reference_type> &
120 SAL_CALL set (reference_type * pBody)
121 {
122 if (pBody)
123 pBody->acquire();
124 reference_type * const pOld = m_pBody;
125 m_pBody = pBody;
126 if (pOld)
127 pOld->release();
128 return *this;
129 }
130
131 /** Assignment.
132 Unbinds this instance from its body (if bound) and
133 bind it to the body represented by the handle.
134 */
135 Reference<reference_type> &
136 SAL_CALL operator= (const Reference<reference_type> & handle)
137 {
138 return set( handle.m_pBody );
139 }
140
141#ifdef LIBO_INTERNAL_ONLY1
142 /** Assignment.
143 * Unbinds this instance from its body (if bound),
144 * bind it to the body represented by the handle, and
145 * set the body represented by the handle to nullptr.
146 */
147 Reference<reference_type> &
148 operator= (Reference<reference_type> && handle)
149 {
150 // self-movement guts ourself
151 if (m_pBody)
152 m_pBody->release();
153 m_pBody = handle.m_pBody;
154 handle.m_pBody = nullptr;
155 return *this;
156 }
157#endif
158
159 /** Assignment...
160 */
161 Reference<reference_type> &
162 SAL_CALL operator= (reference_type * pBody)
163 {
164 return set( pBody );
165 }
166
167 /** Unbind the body from this handle.
168 Note that for a handle representing a large body,
169 "handle.clear().set(new body());" _might_
170 perform a little bit better than "handle.set(new body());",
171 since in the second case two large objects exist in memory
172 (the old body and the new body).
173 */
174 Reference<reference_type> & SAL_CALL clear()
175 {
176 if (m_pBody
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
)
7
←
Taking true branch
→
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
8
←
Calling 'VclReferenceBase::release'
→
12
←
Returning; memory was released
→
181 }
182 return *this;
183 }
184
185
186 /** Get the body. Can be used instead of operator->().
187 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
188 are the same.
189 */
190 reference_type * SAL_CALL get() const
191 {
192 return m_pBody;
15
←
Use of memory after it is freed
193 }
194
195
196 /** Probably most common used: handle->someBodyOp().
197 */
198 reference_type * SAL_CALL operator->() const
199 {
200 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 200, __extension__ __PRETTY_FUNCTION__));
201 return m_pBody;
202 }
203
204
205 /** Allows (*handle).someBodyOp().
206 */
207 reference_type & SAL_CALL operator*() const
208 {
209 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 209, __extension__ __PRETTY_FUNCTION__));
210 return *m_pBody;
211 }
212
213
214 /** Returns True if the handle does point to a valid body.
215 */
216 bool SAL_CALL is() const
217 {
218 return (m_pBody != NULL__null);
219 }
220
221#if defined LIBO_INTERNAL_ONLY1
222 /** Returns True if the handle does point to a valid body.
223 */
224 explicit operator bool() const
225 {
226 return is();
227 }
228#endif
229
230 /** Returns True if this points to pBody.
231 */
232 bool SAL_CALL operator== (const reference_type * pBody) const
233 {
234 return (m_pBody == pBody);
235 }
236
237
238 /** Returns True if handle points to the same body.
239 */
240 bool
241 SAL_CALL operator== (const Reference<reference_type> & handle) const
242 {
243 return (m_pBody == handle.m_pBody);
244 }
245
246
247 /** Needed to place References into STL collection.
248 */
249 bool
250 SAL_CALL operator!= (const Reference<reference_type> & handle) const
251 {
252 return (m_pBody != handle.m_pBody);
253 }
254
255
256 /** Needed to place References into STL collection.
257 */
258 bool
259 SAL_CALL operator< (const Reference<reference_type> & handle) const
260 {
261 return (m_pBody < handle.m_pBody);
262 }
263
264
265 /** Needed to place References into STL collection.
266 */
267 bool
268 SAL_CALL operator> (const Reference<reference_type> & handle) const
269 {
270 return (m_pBody > handle.m_pBody);
271 }
272};
273
274} // namespace rtl
275
276#if defined LIBO_INTERNAL_ONLY1
277namespace std
278{
279
280/// @cond INTERNAL
281/**
282 Make rtl::Reference hashable by default for use in STL containers.
283
284 @since LibreOffice 6.3
285*/
286template<typename T>
287struct hash<::rtl::Reference<T>>
288{
289 std::size_t operator()(::rtl::Reference<T> const & s) const
290 { return std::size_t(s.get()); }
291};
292/// @endcond
293
294}
295
296#endif
297
298#endif /* ! INCLUDED_RTL_REF_HXX */
299
300/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

/home/maarten/src/libreoffice/core/include/vcl/vclreferencebase.hxx

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#ifndef INCLUDED_VCL_Reference_HXX
20#define INCLUDED_VCL_Reference_HXX
21
22#include <vcl/dllapi.h>
23#include <osl/interlck.h>
24
25class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase
26{
27 mutable oslInterlockedCount mnRefCnt;
28
29 template<typename T> friend class VclPtr;
30
31public:
32 void acquire() const
33 {
34 osl_atomic_increment(&mnRefCnt)__sync_add_and_fetch((&mnRefCnt), 1);
35 }
36
37 void release() const
38 {
39 if (osl_atomic_decrement(&mnRefCnt)__sync_sub_and_fetch((&mnRefCnt), 1) == 0)
9
←
Assuming the condition is true
→
10
←
Taking true branch
→
40 delete this;
11
←
Memory is released
→
41 }
42#ifdef DBG_UTIL
43#ifndef _WIN32
44 sal_Int32 getRefCount() const { return mnRefCnt; }
45#endif
46#endif
47
48
49private:
50 VclReferenceBase(const VclReferenceBase&) = delete;
51 VclReferenceBase& operator=(const VclReferenceBase&) = delete;
52
53 bool mbDisposed : 1;
54
55protected:
56 VclReferenceBase();
57protected:
58 virtual ~VclReferenceBase();
59
60protected:
61 virtual void dispose();
62
63public:
64 void disposeOnce();
65 bool isDisposed() const { return mbDisposed; }
66
67};
68#endif