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 ShapeController.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/chart2/source/controller/inc -I /home/maarten/src/libreoffice/core/chart2/source/inc -I /home/maarten/src/libreoffice/core/chart2/inc -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -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/chart2/source/controller/main/ShapeController.cxx

/home/maarten/src/libreoffice/core/chart2/source/controller/main/ShapeController.cxx

→
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 "ShapeController.hxx"
21#include <ShapeController.h>
22#include <ChartController.hxx>
23#include <ViewElementListProvider.hxx>
24#include <dlg_ShapeFont.hxx>
25#include <dlg_ShapeParagraph.hxx>
26#include <chartview/DrawModelWrapper.hxx>
27#include <com/sun/star/drawing/XDrawPage.hpp>
28#include <com/sun/star/drawing/XShapes.hpp>
29#include <com/sun/star/frame/CommandGroup.hpp>
30#include <com/sun/star/frame/XStorable.hpp>
31
32#include <vcl/svapp.hxx>
33#include <editeng/formatbreakitem.hxx>
34#include <editeng/editids.hrc>
35#include <editeng/eeitem.hxx>
36#include <editeng/hyphenzoneitem.hxx>
37#include <editeng/orphitem.hxx>
38#include <editeng/spltitem.hxx>
39#include <svx/svxdlg.hxx>
40#include <editeng/widwitem.hxx>
41#include <tools/diagnose_ex.h>
42
43using namespace ::com::sun::star;
44using namespace ::com::sun::star::frame;
45
46using ::com::sun::star::uno::Reference;
47using ::com::sun::star::uno::Sequence;
48
49namespace chart
50{
51
52ShapeController::ShapeController( const Reference< uno::XComponentContext >& rxContext,
53 ChartController* pController )
54 :FeatureCommandDispatchBase( rxContext )
55 ,m_pChartController( pController )
56{
57}
58
59ShapeController::~ShapeController()
60{
61}
62
63// WeakComponentImplHelperBase
64void ShapeController::disposing()
65{
66}
67
68// XEventListener
69void ShapeController::disposing( const lang::EventObject& /* Source */ )
70{
71}
72
73FeatureState ShapeController::getState( const OUString& rCommand )
74{
75 FeatureState aReturn;
76 aReturn.bEnabled = false;
77 aReturn.aState <<= false;
78
79 bool bWritable = false;
80 if ( m_pChartController )
81 {
82 Reference< frame::XStorable > xStorable( m_pChartController->getModel(), uno::UNO_QUERY );
83 if ( xStorable.is() )
84 {
85 bWritable = !xStorable->isReadonly();
86 }
87 }
88
89 SupportedFeatures::const_iterator aIter = m_aSupportedFeatures.find( rCommand );
90 if ( aIter != m_aSupportedFeatures.end() )
91 {
92 sal_uInt16 nFeatureId = aIter->second.nFeatureId;
93 switch ( nFeatureId )
94 {
95 case COMMAND_ID_FORMAT_LINE1:
96 case COMMAND_ID_FORMAT_AREA2:
97 case COMMAND_ID_TEXT_ATTRIBUTES3:
98 case COMMAND_ID_TRANSFORM_DIALOG4:
99 case COMMAND_ID_OBJECT_TITLE_DESCRIPTION5:
100 case COMMAND_ID_RENAME_OBJECT6:
101 {
102 aReturn.bEnabled = bWritable;
103 aReturn.aState <<= false;
104 }
105 break;
106 case COMMAND_ID_BRING_TO_FRONT8:
107 case COMMAND_ID_FORWARD9:
108 {
109 aReturn.bEnabled = ( bWritable && isForwardPossible() );
110 aReturn.aState <<= false;
111 }
112 break;
113 case COMMAND_ID_BACKWARD10:
114 case COMMAND_ID_SEND_TO_BACK11:
115 {
116
117 aReturn.bEnabled = ( bWritable && isBackwardPossible() );
118 aReturn.aState <<= false;
119 }
120 break;
121 case COMMAND_ID_FONT_DIALOG15:
122 case COMMAND_ID_PARAGRAPH_DIALOG16:
123 {
124 aReturn.bEnabled = bWritable;
125 aReturn.aState <<= false;
126 }
127 break;
128 default:
129 {
130 aReturn.bEnabled = false;
131 aReturn.aState <<= false;
132 }
133 break;
134 }
135 }
136
137 return aReturn;
138}
139
140void ShapeController::execute( const OUString& rCommand, const Sequence< beans::PropertyValue>& )
141{
142 SupportedFeatures::const_iterator aIter = m_aSupportedFeatures.find( rCommand );
143 if ( aIter == m_aSupportedFeatures.end() )
1
Taking false branch
→
144 return;
145
146 sal_uInt16 nFeatureId = aIter->second.nFeatureId;
147 switch ( nFeatureId )
2
←
Control jumps to 'case 4:' at line 164
→
148 {
149 case COMMAND_ID_FORMAT_LINE1:
150 {
151 executeDispatch_FormatLine();
152 }
153 break;
154 case COMMAND_ID_FORMAT_AREA2:
155 {
156 executeDispatch_FormatArea();
157 }
158 break;
159 case COMMAND_ID_TEXT_ATTRIBUTES3:
160 {
161 executeDispatch_TextAttributes();
162 }
163 break;
164 case COMMAND_ID_TRANSFORM_DIALOG4:
165 {
166 executeDispatch_TransformDialog();
3
←
Calling 'ShapeController::executeDispatch_TransformDialog'
→
167 }
168 break;
169 case COMMAND_ID_OBJECT_TITLE_DESCRIPTION5:
170 {
171 executeDispatch_ObjectTitleDescription();
172 }
173 break;
174 case COMMAND_ID_RENAME_OBJECT6:
175 {
176 executeDispatch_RenameObject();
177 }
178 break;
179 case COMMAND_ID_BRING_TO_FRONT8:
180 case COMMAND_ID_FORWARD9:
181 case COMMAND_ID_BACKWARD10:
182 case COMMAND_ID_SEND_TO_BACK11:
183 {
184 executeDispatch_ChangeZOrder( nFeatureId );
185 }
186 break;
187 case COMMAND_ID_FONT_DIALOG15:
188 {
189 executeDispatch_FontDialog();
190 }
191 break;
192 case COMMAND_ID_PARAGRAPH_DIALOG16:
193 {
194 executeDispatch_ParagraphDialog();
195 }
196 break;
197 default:
198 {
199 }
200 break;
201 }
202}
203
204void ShapeController::describeSupportedFeatures()
205{
206 implDescribeSupportedFeature( ".uno:FormatLine", COMMAND_ID_FORMAT_LINE1, CommandGroup::FORMAT );
207 implDescribeSupportedFeature( ".uno:FormatArea", COMMAND_ID_FORMAT_AREA2, CommandGroup::FORMAT );
208 implDescribeSupportedFeature( ".uno:TextAttributes", COMMAND_ID_TEXT_ATTRIBUTES3, CommandGroup::FORMAT );
209 implDescribeSupportedFeature( ".uno:TransformDialog", COMMAND_ID_TRANSFORM_DIALOG4, CommandGroup::FORMAT );
210 implDescribeSupportedFeature( ".uno:ObjectTitleDescription", COMMAND_ID_OBJECT_TITLE_DESCRIPTION5, CommandGroup::FORMAT );
211 implDescribeSupportedFeature( ".uno:RenameObject", COMMAND_ID_RENAME_OBJECT6, CommandGroup::FORMAT );
212 implDescribeSupportedFeature( ".uno:BringToFront", COMMAND_ID_BRING_TO_FRONT8, CommandGroup::FORMAT );
213 implDescribeSupportedFeature( ".uno:Forward", COMMAND_ID_FORWARD9, CommandGroup::FORMAT );
214 implDescribeSupportedFeature( ".uno:Backward", COMMAND_ID_BACKWARD10, CommandGroup::FORMAT );
215 implDescribeSupportedFeature( ".uno:SendToBack", COMMAND_ID_SEND_TO_BACK11, CommandGroup::FORMAT );
216 implDescribeSupportedFeature( ".uno:FontDialog", COMMAND_ID_FONT_DIALOG15, CommandGroup::EDIT );
217 implDescribeSupportedFeature( ".uno:ParagraphDialog", COMMAND_ID_PARAGRAPH_DIALOG16, CommandGroup::EDIT );
218}
219
220IMPL_LINK( ShapeController, CheckNameHdl, AbstractSvxObjectNameDialog&, rDialog, bool )bool ShapeController::LinkStubCheckNameHdl(void * instance, AbstractSvxObjectNameDialog
& data) { return static_cast<ShapeController *>(instance
)->CheckNameHdl(data); } bool ShapeController::CheckNameHdl
(AbstractSvxObjectNameDialog& rDialog)
221{
222 OUString aName;
223 rDialog.GetName( aName );
224
225 if ( !aName.isEmpty() )
226 {
227 DrawViewWrapper* pDrawViewWrapper = ( m_pChartController ? m_pChartController->GetDrawViewWrapper() : nullptr );
228 if ( pDrawViewWrapper && pDrawViewWrapper->getNamedSdrObject( aName ) )
229 {
230 return false;
231 }
232 }
233 return true;
234}
235
236void ShapeController::executeDispatch_FormatLine()
237{
238 SolarMutexGuard aGuard;
239 if ( !m_pChartController )
240 return;
241
242 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
243 DrawModelWrapper* pDrawModelWrapper = m_pChartController->GetDrawModelWrapper();
244 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
245 if ( !(pChartWindow && pDrawModelWrapper && pDrawViewWrapper) )
246 return;
247
248 SdrObject* pSelectedObj = pDrawViewWrapper->getSelectedObject();
249 SfxItemSet aAttr( pDrawViewWrapper->GetDefaultAttr() );
250 bool bHasMarked = pDrawViewWrapper->AreObjectsMarked();
251 if ( bHasMarked )
252 {
253 pDrawViewWrapper->MergeAttrFromMarked( aAttr, false );
254 }
255 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
256 ScopedVclPtr< SfxAbstractTabDialog > pDlg(
257 pFact->CreateSvxLineTabDialog(pChartWindow, &aAttr, &pDrawModelWrapper->getSdrModel(),
258 pSelectedObj, bHasMarked));
259 if ( pDlg->Execute() == RET_OK )
260 {
261 const SfxItemSet* pOutAttr = pDlg->GetOutputItemSet();
262 if ( bHasMarked )
263 {
264 pDrawViewWrapper->SetAttrToMarked( *pOutAttr, false );
265 }
266 else
267 {
268 pDrawViewWrapper->SetDefaultAttr( *pOutAttr, false );
269 }
270 }
271}
272
273void ShapeController::executeDispatch_FormatArea()
274{
275 SolarMutexGuard aGuard;
276 if ( !m_pChartController )
277 return;
278
279 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
280 DrawModelWrapper* pDrawModelWrapper = m_pChartController->GetDrawModelWrapper();
281 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
282 if ( !(pChartWindow && pDrawModelWrapper && pDrawViewWrapper) )
283 return;
284
285 SfxItemSet aAttr( pDrawViewWrapper->GetDefaultAttr() );
286 bool bHasMarked = pDrawViewWrapper->AreObjectsMarked();
287 if ( bHasMarked )
288 {
289 pDrawViewWrapper->MergeAttrFromMarked( aAttr, false );
290 }
291 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
292 ScopedVclPtr< AbstractSvxAreaTabDialog > pDlg(
293 pFact->CreateSvxAreaTabDialog(pChartWindow, &aAttr, &pDrawModelWrapper->getSdrModel(), true));
294 if ( pDlg->Execute() == RET_OK )
295 {
296 const SfxItemSet* pOutAttr = pDlg->GetOutputItemSet();
297 if ( bHasMarked )
298 {
299 pDrawViewWrapper->SetAttrToMarked( *pOutAttr, false );
300 }
301 else
302 {
303 pDrawViewWrapper->SetDefaultAttr( *pOutAttr, false );
304 }
305 }
306}
307
308void ShapeController::executeDispatch_TextAttributes()
309{
310 SolarMutexGuard aGuard;
311 if ( !m_pChartController )
312 return;
313
314 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
315 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
316 if ( !(pChartWindow && pDrawViewWrapper) )
317 return;
318
319 SfxItemSet aAttr( pDrawViewWrapper->GetDefaultAttr() );
320 bool bHasMarked = pDrawViewWrapper->AreObjectsMarked();
321 if ( bHasMarked )
322 {
323 pDrawViewWrapper->MergeAttrFromMarked( aAttr, false );
324 }
325 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
326 ScopedVclPtr< SfxAbstractTabDialog > pDlg(
327 pFact->CreateTextTabDialog(pChartWindow, &aAttr, pDrawViewWrapper));
328 if ( pDlg->Execute() == RET_OK )
329 {
330 const SfxItemSet* pOutAttr = pDlg->GetOutputItemSet();
331 if ( bHasMarked )
332 {
333 pDrawViewWrapper->SetAttributes( *pOutAttr );
334 }
335 else
336 {
337 pDrawViewWrapper->SetDefaultAttr( *pOutAttr, false );
338 }
339 }
340}
341
342void ShapeController::executeDispatch_TransformDialog()
343{
344 SolarMutexGuard aGuard;
345 if ( !m_pChartController )
4
←
Assuming field 'm_pChartController' is non-null
→
5
←
Taking false branch
→
346 return;
347
348 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
349 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
350 if ( !(pChartWindow && pDrawViewWrapper) )
6
←
Assuming 'pChartWindow' is non-null
→
7
←
Assuming the condition is false
→
8
←
Taking false branch
→
351 return;
352
353 SdrObject* pSelectedObj = pDrawViewWrapper->getSelectedObject();
354 if ( pSelectedObj && pSelectedObj->GetObjIdentifier() == OBJ_CAPTION )
9
←
Assuming 'pSelectedObj' is null
→
355 {
356 // item set for caption
357 SfxItemSet aAttr( pDrawViewWrapper->GetModel()->GetItemPool() );
358 pDrawViewWrapper->GetAttributes( aAttr );
359 // item set for position and size
360 SfxItemSet aGeoAttr( pDrawViewWrapper->GetGeoAttrFromMarked() );
361 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
362 ScopedVclPtr< SfxAbstractTabDialog > pDlg(
363 pFact->CreateCaptionDialog(pChartWindow, pDrawViewWrapper));
364 const sal_uInt16* pRange = pDlg->GetInputRanges( *aAttr.GetPool() );
365 SfxItemSet aCombAttr( *aAttr.GetPool(), pRange );
366 aCombAttr.Put( aAttr );
367 aCombAttr.Put( aGeoAttr );
368 pDlg->SetInputSet( &aCombAttr );
369 if ( pDlg->Execute() == RET_OK )
370 {
371 const SfxItemSet* pOutAttr = pDlg->GetOutputItemSet();
372 pDrawViewWrapper->SetAttributes( *pOutAttr );
373 pDrawViewWrapper->SetGeoAttrToMarked( *pOutAttr );
374 }
375 }
376 else
377 {
378 SfxItemSet aGeoAttr( pDrawViewWrapper->GetGeoAttrFromMarked() );
379 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
380 ScopedVclPtr< SfxAbstractTabDialog > pDlg(
10
←
Calling constructor for 'ScopedVclPtr<SfxAbstractTabDialog>'
→
17
←
Returning from constructor for 'ScopedVclPtr<SfxAbstractTabDialog>'
→
381 pFact->CreateSvxTransformTabDialog(pChartWindow, &aGeoAttr, pDrawViewWrapper));
18
←
Calling implicit destructor for 'VclPtr<AbstractSvxTransformTabDialog>'
→
19
←
Calling '~Reference'
→
26
←
Returning from '~Reference'
→
27
←
Returning from destructor for 'VclPtr<AbstractSvxTransformTabDialog>'
→
382 if ( pDlg->Execute() == RET_OK )
28
←
Calling 'VclPtr::operator->'
→
383 {
384 const SfxItemSet* pOutAttr = pDlg->GetOutputItemSet();
385 pDrawViewWrapper->SetGeoAttrToMarked( *pOutAttr );
386 }
387 }
388}
389
390void ShapeController::executeDispatch_ObjectTitleDescription()
391{
392 SolarMutexGuard aGuard;
393 if ( !m_pChartController )
394 return;
395
396 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
397 if ( !(pDrawViewWrapper && pDrawViewWrapper->GetMarkedObjectCount() == 1) )
398 return;
399
400 SdrObject* pSelectedObj = pDrawViewWrapper->getSelectedObject();
401 if ( !pSelectedObj )
402 return;
403
404 OUString aTitle( pSelectedObj->GetTitle() );
405 OUString aDescription( pSelectedObj->GetDescription() );
406 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
407 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
408 ScopedVclPtr< AbstractSvxObjectTitleDescDialog > pDlg(
409 pFact->CreateSvxObjectTitleDescDialog(pChartWindow, aTitle, aDescription));
410 if ( pDlg->Execute() == RET_OK )
411 {
412 pDlg->GetTitle( aTitle );
413 pDlg->GetDescription( aDescription );
414 pSelectedObj->SetTitle( aTitle );
415 pSelectedObj->SetDescription( aDescription );
416 }
417}
418
419void ShapeController::executeDispatch_RenameObject()
420{
421 SolarMutexGuard aGuard;
422 if ( !m_pChartController )
423 return;
424
425 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
426 if ( !(pDrawViewWrapper && pDrawViewWrapper->GetMarkedObjectCount() == 1) )
427 return;
428
429 SdrObject* pSelectedObj = pDrawViewWrapper->getSelectedObject();
430 if ( !pSelectedObj )
431 return;
432
433 OUString aName = pSelectedObj->GetName();
434 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
435 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
436 ScopedVclPtr< AbstractSvxObjectNameDialog > pDlg(
437 pFact->CreateSvxObjectNameDialog(pChartWindow, aName));
438 pDlg->SetCheckNameHdl( LINK( this, ShapeController, CheckNameHdl )::tools::detail::makeLink( ::tools::detail::castTo<ShapeController
*>(this), &ShapeController::LinkStubCheckNameHdl) );
439 if ( pDlg->Execute() == RET_OK )
440 {
441 pDlg->GetName(aName);
442 if (pSelectedObj->GetName() == aName)
443 {
444 pSelectedObj->SetName( aName );
445 }
446 }
447}
448
449void ShapeController::executeDispatch_ChangeZOrder( sal_uInt16 nId )
450{
451 SolarMutexGuard aGuard;
452 DrawViewWrapper* pDrawViewWrapper = ( m_pChartController ? m_pChartController->GetDrawViewWrapper() : nullptr );
453 if ( !pDrawViewWrapper )
454 return;
455
456 switch ( nId )
457 {
458 case COMMAND_ID_BRING_TO_FRONT8:
459 {
460 if ( isForwardPossible() )
461 {
462 pDrawViewWrapper->PutMarkedToTop();
463 }
464 }
465 break;
466 case COMMAND_ID_FORWARD9:
467 {
468 if ( isForwardPossible() )
469 {
470 pDrawViewWrapper->MovMarkedToTop();
471 }
472 }
473 break;
474 case COMMAND_ID_BACKWARD10:
475 {
476 if ( isBackwardPossible() )
477 {
478 pDrawViewWrapper->MovMarkedToBtm();
479 }
480 }
481 break;
482 case COMMAND_ID_SEND_TO_BACK11:
483 {
484 if ( isBackwardPossible() )
485 {
486 SdrObject* pFirstObj = getFirstAdditionalShape();
487 pDrawViewWrapper->PutMarkedBehindObj( pFirstObj );
488 }
489 }
490 break;
491 default:
492 {
493 }
494 break;
495 }
496}
497
498void ShapeController::executeDispatch_FontDialog()
499{
500 SolarMutexGuard aGuard;
501 if ( !m_pChartController )
502 return;
503
504 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
505 DrawModelWrapper* pDrawModelWrapper = m_pChartController->GetDrawModelWrapper();
506 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
507 if ( pChartWindow && pDrawModelWrapper && pDrawViewWrapper )
508 {
509 SfxItemSet aAttr( pDrawViewWrapper->GetModel()->GetItemPool() );
510 pDrawViewWrapper->GetAttributes( aAttr );
511 ViewElementListProvider aViewElementListProvider( pDrawModelWrapper );
512 ShapeFontDialog aDlg(pChartWindow, &aAttr, &aViewElementListProvider);
513 if (aDlg.run() == RET_OK)
514 {
515 const SfxItemSet* pOutAttr = aDlg.GetOutputItemSet();
516 pDrawViewWrapper->SetAttributes( *pOutAttr );
517 }
518 }
519}
520
521void ShapeController::executeDispatch_ParagraphDialog()
522{
523 SolarMutexGuard aGuard;
524 if ( !m_pChartController )
525 return;
526
527 weld::Window* pChartWindow(m_pChartController->GetChartFrame());
528 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
529 if ( !(pChartWindow && pDrawViewWrapper) )
530 return;
531
532 SfxItemPool& rPool = pDrawViewWrapper->GetModel()->GetItemPool();
533 SfxItemSet aAttr( rPool );
534 pDrawViewWrapper->GetAttributes( aAttr );
535
536 SfxItemSet aNewAttr(
537 rPool,
538 svl::Items<
539 EE_ITEMS_START, EE_ITEMS_END,
540 SID_ATTR_PARA_PAGEBREAK( 10000 + 37 ), SID_ATTR_PARA_WIDOWS( 10000 + 41 )>{});
541 aNewAttr.Put( aAttr );
542 aNewAttr.Put( SvxHyphenZoneItem( false, SID_ATTR_PARA_HYPHENZONE( 10000 + 38 ) ) );
543 aNewAttr.Put( SvxFormatBreakItem( SvxBreak::NONE, SID_ATTR_PARA_PAGEBREAK( 10000 + 37 ) ) );
544 aNewAttr.Put( SvxFormatSplitItem( true, SID_ATTR_PARA_SPLIT( 10000 + 39 )) );
545 aNewAttr.Put( SvxWidowsItem( 0, SID_ATTR_PARA_WIDOWS( 10000 + 41 )) );
546 aNewAttr.Put( SvxOrphansItem( 0, SID_ATTR_PARA_ORPHANS( 10000 + 40 )) );
547
548 ShapeParagraphDialog aDlg(pChartWindow, &aNewAttr);
549 if (aDlg.run() == RET_OK)
550 {
551 const SfxItemSet* pOutAttr = aDlg.GetOutputItemSet();
552 pDrawViewWrapper->SetAttributes( *pOutAttr );
553 }
554}
555
556SdrObject* ShapeController::getFirstAdditionalShape()
557{
558 SdrObject* pFirstObj = nullptr;
559
560 try
561 {
562 DrawModelWrapper* pDrawModelWrapper = ( m_pChartController ? m_pChartController->GetDrawModelWrapper() : nullptr );
563 if ( pDrawModelWrapper )
564 {
565 Reference< drawing::XShape > xFirstShape;
566 Reference< drawing::XDrawPage > xDrawPage( pDrawModelWrapper->getMainDrawPage() );
567 Reference< drawing::XShapes > xDrawPageShapes( xDrawPage, uno::UNO_QUERY_THROW );
568 Reference< drawing::XShapes > xChartRoot( DrawModelWrapper::getChartRootShape( xDrawPage ) );
569 sal_Int32 nCount = xDrawPageShapes->getCount();
570 for ( sal_Int32 i = 0; i < nCount; ++i )
571 {
572 Reference< drawing::XShape > xShape;
573 if ( xDrawPageShapes->getByIndex( i ) >>= xShape )
574 {
575 if ( xShape.is() && xShape != xChartRoot )
576 {
577 xFirstShape = xShape;
578 break;
579 }
580 }
581 }
582 if ( xFirstShape.is() )
583 {
584 pFirstObj = DrawViewWrapper::getSdrObject( xFirstShape );
585 }
586 }
587 }
588 catch ( const uno::Exception& )
589 {
590 DBG_UNHANDLED_EXCEPTION("chart2")DbgUnhandledException( DbgGetCaughtException(), __func__, "/home/maarten/src/libreoffice/core/chart2/source/controller/main/ShapeController.cxx"
":" "590" ": ", "chart2" );;
591 }
592
593 return pFirstObj;
594}
595
596SdrObject* ShapeController::getLastAdditionalShape()
597{
598 SdrObject* pLastObj = nullptr;
599
600 try
601 {
602 DrawModelWrapper* pDrawModelWrapper = ( m_pChartController ? m_pChartController->GetDrawModelWrapper() : nullptr );
603 if ( pDrawModelWrapper )
604 {
605 Reference< drawing::XShape > xLastShape;
606 Reference< drawing::XDrawPage > xDrawPage( pDrawModelWrapper->getMainDrawPage() );
607 Reference< drawing::XShapes > xDrawPageShapes( xDrawPage, uno::UNO_QUERY_THROW );
608 Reference< drawing::XShapes > xChartRoot( DrawModelWrapper::getChartRootShape( xDrawPage ) );
609 sal_Int32 nCount = xDrawPageShapes->getCount();
610 for ( sal_Int32 i = nCount - 1; i >= 0; --i )
611 {
612 Reference< drawing::XShape > xShape;
613 if ( xDrawPageShapes->getByIndex( i ) >>= xShape )
614 {
615 if ( xShape.is() && xShape != xChartRoot )
616 {
617 xLastShape = xShape;
618 break;
619 }
620 }
621 }
622 if ( xLastShape.is() )
623 {
624 pLastObj = DrawViewWrapper::getSdrObject( xLastShape );
625 }
626 }
627 }
628 catch ( const uno::Exception& )
629 {
630 DBG_UNHANDLED_EXCEPTION("chart2")DbgUnhandledException( DbgGetCaughtException(), __func__, "/home/maarten/src/libreoffice/core/chart2/source/controller/main/ShapeController.cxx"
":" "630" ": ", "chart2" );;
631 }
632
633 return pLastObj;
634}
635
636bool ShapeController::isBackwardPossible()
637{
638 if ( m_pChartController && m_pChartController->isAdditionalShapeSelected() )
639 {
640 SolarMutexGuard aGuard;
641 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
642 if ( pDrawViewWrapper )
643 {
644 SdrObject* pSelectedObj = pDrawViewWrapper->getSelectedObject();
645 SdrObject* pFirstObj = getFirstAdditionalShape();
646 if ( pSelectedObj && pFirstObj && pSelectedObj != pFirstObj )
647 {
648 return true;
649 }
650 }
651 }
652 return false;
653}
654
655bool ShapeController::isForwardPossible()
656{
657 if ( m_pChartController && m_pChartController->isAdditionalShapeSelected() )
658 {
659 SolarMutexGuard aGuard;
660 DrawViewWrapper* pDrawViewWrapper = m_pChartController->GetDrawViewWrapper();
661 if ( pDrawViewWrapper )
662 {
663 SdrObject* pSelectedObj = pDrawViewWrapper->getSelectedObject();
664 SdrObject* pLastObj = getLastAdditionalShape();
665 if ( pSelectedObj && pLastObj && pSelectedObj != pLastObj )
666 {
667 return true;
668 }
669 }
670 }
671 return false;
672}
673
674} // namespace chart
675
676/* 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) )
12
←
Calling constructor for 'Reference<SfxAbstractTabDialog>'
→
15
←
Returning from constructor for 'Reference<SfxAbstractTabDialog>'
→
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();
29
←
Calling 'Reference::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);
204 m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
205 if (aTmp.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 )
11
←
Calling constructor for 'VclPtr<SfxAbstractTabDialog>'
→
16
←
Returning from constructor for 'VclPtr<SfxAbstractTabDialog>'
→
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)
13
←
Assuming field 'm_pBody' is non-null
→
14
←
Taking true branch
→
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)
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
19.1
Field 'm_pBody' is non-null
19.1
Field 'm_pBody' is non-null
19.1
Field 'm_pBody' is non-null
19.1
Field 'm_pBody' is non-null
)
20
←
Taking true branch
→
113 m_pBody->release();
21
←
Calling 'VclReferenceBase::release'
→
25
←
Returning; memory was released
→
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)
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
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;
30
←
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)
22
←
Assuming the condition is true
→
23
←
Taking true branch
→
40 delete this;
24
←
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