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 imapwnd.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 SVX_DLLIMPLEMENTATION -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/i18n -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/common -I /home/maarten/src/libreoffice/core/external/boost/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/boost -I /home/maarten/src/libreoffice/core/svx/inc -I /home/maarten/src/libreoffice/core/svx/source/inc -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/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/svx/source/dialog/imapwnd.cxx

/home/maarten/src/libreoffice/core/svx/source/dialog/imapwnd.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 <tools/urlobj.hxx>
21#include <vcl/commandevent.hxx>
22#include <vcl/imaprect.hxx>
23#include <vcl/imapcirc.hxx>
24#include <vcl/imappoly.hxx>
25#include <vcl/svapp.hxx>
26#include <svl/urlbmk.hxx>
27
28#include <svx/svxids.hrc>
29#include "imapwnd.hxx"
30#include <svx/svdpage.hxx>
31#include <svx/svdorect.hxx>
32#include <svx/svdocirc.hxx>
33#include <svx/svdopath.hxx>
34#include <svx/xfltrit.hxx>
35#include <svx/svdpagv.hxx>
36#include <svx/xfillit0.hxx>
37#include <svx/xflclit.hxx>
38#include <svx/xlnclit.hxx>
39
40#include <sfx2/evntconf.hxx>
41
42#include <sot/formats.hxx>
43
44#include <svx/svxdlg.hxx>
45#include <basegfx/polygon/b2dpolygon.hxx>
46#include <memory>
47
48using namespace com::sun::star;
49using ::com::sun::star::frame::XFrame;
50using ::com::sun::star::uno::Reference;
51
52#define TRANSCOLCOL_WHITE COL_WHITE
53
54IMapWindow::IMapWindow(const Reference< XFrame >& rxDocumentFrame, weld::Dialog* pDialog)
55 : GraphCtrl(pDialog)
56 , mxDocumentFrame(rxDocumentFrame)
57{
58 pIMapPool = new SfxItemPool( "IMapItemPool",
59 SID_ATTR_MACROITEMTypedWhichId<SvxMacroItem>(5000 + 934), SID_ATTR_MACROITEMTypedWhichId<SvxMacroItem>(5000 + 934), maItemInfos );
60 pIMapPool->FreezeIdRanges();
61}
62
63IMapWindow::~IMapWindow()
64{
65 SfxItemPool::Free(pIMapPool);
66}
67
68void IMapWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
69{
70 Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(270, 170), MapMode(MapUnit::MapAppFont)));
71 pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
72 SetOutputSizePixel(aSize);
73 weld::CustomWidgetController::SetDrawingArea(pDrawingArea);
74
75 SetSdrMode(true);
76
77 mxDropTargetHelper.reset(new IMapDropTargetHelper(*this));
78}
79
80void IMapWindow::SetImageMap( const ImageMap& rImageMap )
81{
82 ReplaceImageMap( rImageMap );
83}
84
85void IMapWindow::ReplaceImageMap( const ImageMap& rImageMap )
86{
87 SdrPage* pPage = nullptr;
88 aIMap = rImageMap;
89
90 if(GetSdrModel())
91 {
92 // try to access page
93 pPage = GetSdrModel()->GetPage(0);
94 }
95
96 if(pPage)
97 {
98 // clear SdrObjects with broadcasting
99 pPage->ClearSdrObjList();
100 }
101
102 if(GetSdrView())
103 {
104 // #i63762# reset selection at view
105 GetSdrView()->UnmarkAllObj();
106 }
107
108 // create new drawing objects
109 const sal_uInt16 nCount(rImageMap.GetIMapObjectCount());
110
111 for ( sal_uInt16 i(nCount); i > 0; i-- )
112 {
113 SdrObject* pNewObj = CreateObj( rImageMap.GetIMapObject( i - 1 ) );
114
115 if (pNewObj && pPage)
116 {
117 pPage->InsertObject( pNewObj );
118 }
119 }
120}
121
122void IMapWindow::ReplaceActualIMapInfo( const NotifyInfo& rNewInfo )
123{
124 const SdrObject* pSdrObj = GetSelectedSdrObject();
125
126 if ( pSdrObj )
127 {
128 IMapObject* pIMapObj = GetIMapObj( pSdrObj );
129 if (pIMapObj)
130 {
131 pIMapObj->SetURL( rNewInfo.aMarkURL );
132 pIMapObj->SetAltText( rNewInfo.aMarkAltText );
133 pIMapObj->SetTarget( rNewInfo.aMarkTarget );
134 pModel->SetChanged();
135 UpdateInfo( false );
136 }
137 }
138}
139
140const ImageMap& IMapWindow::GetImageMap()
141{
142 if ( pModel->IsChanged() )
143 {
144 SdrPage* pPage = pModel->GetPage( 0 );
145
146 if ( pPage )
147 {
148 const size_t nCount = pPage->GetObjCount();
149
150 aIMap.ClearImageMap();
151
152 for ( size_t i = nCount; i; )
153 {
154 --i;
155 aIMap.InsertIMapObject( *( static_cast<IMapUserData*>( pPage->GetObj( i )->GetUserData( 0 ) )->GetObject() ) );
156 }
157 }
158
159 pModel->SetChanged( false );
160 }
161
162 return aIMap;
163}
164
165void IMapWindow::SetTargetList( TargetList& rTargetList )
166{
167 // Delete old List
168 aTargetList.clear();
169
170 // Fill with the provided list
171 for(const OUString & s : rTargetList)
172 aTargetList.push_back( s );
173
174 pModel->SetChanged( false );
175}
176
177SdrObject* IMapWindow::CreateObj( const IMapObject* pIMapObj )
178{
179 tools::Rectangle aClipRect( Point(), GetGraphicSize() );
180 SdrObject* pSdrObj = nullptr;
181 IMapObjectPtr pCloneIMapObj;
182
183 switch( pIMapObj->GetType() )
184 {
185 case IMapObjectType::Rectangle:
186 {
187 const IMapRectangleObject* pIMapRectObj = static_cast<const IMapRectangleObject*>(pIMapObj);
188 tools::Rectangle aDrawRect( pIMapRectObj->GetRectangle( false ) );
189
190 // clipped on CanvasPane
191 aDrawRect.Intersection( aClipRect );
192
193 pSdrObj = new SdrRectObj(*pModel, aDrawRect);
194 pCloneIMapObj.reset(static_cast<IMapObject*>(new IMapRectangleObject( *pIMapRectObj )));
195 }
196 break;
197
198 case IMapObjectType::Circle:
199 {
200 const IMapCircleObject* pIMapCircleObj = static_cast<const IMapCircleObject*>(pIMapObj);
201 const Point aCenter( pIMapCircleObj->GetCenter( false ) );
202 const long nRadius = pIMapCircleObj->GetRadius( false );
203 const Point aOffset( nRadius, nRadius );
204 tools::Rectangle aCircle( aCenter - aOffset, aCenter + aOffset );
205
206 // limited to CanvasPane
207 aCircle.Intersection( aClipRect );
208
209 pSdrObj = new SdrCircObj(
210 *pModel,
211 SdrCircKind::Full,
212 aCircle,
213 0,
214 36000);
215 pCloneIMapObj.reset(static_cast<IMapObject*>(new IMapCircleObject( *pIMapCircleObj )));
216 }
217 break;
218
219 case IMapObjectType::Polygon:
220 {
221 const IMapPolygonObject* pIMapPolyObj = static_cast<const IMapPolygonObject*>(pIMapObj);
222
223 // If it actually is an ellipse, then another ellipse is created again
224 if ( pIMapPolyObj->HasExtraEllipse() )
225 {
226 tools::Rectangle aDrawRect( pIMapPolyObj->GetExtraEllipse() );
227
228 // clipped on CanvasPane
229 aDrawRect.Intersection( aClipRect );
230
231 pSdrObj = new SdrCircObj(
232 *pModel,
233 SdrCircKind::Full,
234 aDrawRect,
235 0,
236 36000);
237 }
238 else
239 {
240 const tools::Polygon& rPoly = pIMapPolyObj->GetPolygon( false );
241 tools::Polygon aDrawPoly( rPoly );
242
243 // clipped on CanvasPane
244 aDrawPoly.Clip( aClipRect );
245
246 basegfx::B2DPolygon aPolygon;
247 aPolygon.append(aDrawPoly.getB2DPolygon());
248 pSdrObj = new SdrPathObj(
249 *pModel,
250 OBJ_POLY,
251 basegfx::B2DPolyPolygon(aPolygon));
252 }
253
254 pCloneIMapObj.reset(static_cast<IMapObject*>(new IMapPolygonObject( *pIMapPolyObj )));
255 }
256 break;
257
258 default:
259 break;
260 }
261
262 if ( pSdrObj )
263 {
264 SfxItemSet aSet( pModel->GetItemPool() );
265
266 aSet.Put( XFillStyleItem( drawing::FillStyle_SOLID ) );
267 aSet.Put( XFillColorItem( "", TRANSCOLCOL_WHITE ) );
268
269 if ( !pIMapObj->IsActive() )
270 {
271 aSet.Put( XFillTransparenceItem( 100 ) );
272 aSet.Put( XLineColorItem( "", COL_RED ) );
273 }
274 else
275 {
276 aSet.Put( XFillTransparenceItem( 50 ) );
277 aSet.Put( XLineColorItem( "", COL_BLACK ) );
278 }
279
280 pSdrObj->SetMergedItemSetAndBroadcast(aSet);
281
282 pSdrObj->AppendUserData( std::unique_ptr<SdrObjUserData>(new IMapUserData( pCloneIMapObj )) );
283 pSdrObj->SetUserCall( GetSdrUserCall() );
284 }
285
286 return pSdrObj;
287}
288
289void IMapWindow::InitSdrModel()
290{
291 GraphCtrl::InitSdrModel();
292
293 SfxItemSet aSet( pModel->GetItemPool() );
294
295 aSet.Put( XFillColorItem( "", TRANSCOLCOL_WHITE ) );
296 aSet.Put( XFillTransparenceItem( 50 ) );
297 pView->SetAttributes( aSet );
298 pView->SetFrameDragSingles();
299}
300
301void IMapWindow::SdrObjCreated( const SdrObject& rObj )
302{
303 switch( rObj.GetObjIdentifier() )
304 {
305 case OBJ_RECT:
306 {
307 SdrRectObj* pRectObj = const_cast<SdrRectObj*>(static_cast<const SdrRectObj*>(&rObj));
308 auto pObj = std::make_shared<IMapRectangleObject>( pRectObj->GetLogicRect(), "", "", "", "", "", true, false );
309
310 pRectObj->AppendUserData( std::unique_ptr<SdrObjUserData>(new IMapUserData( pObj )) );
311 }
312 break;
313
314 case OBJ_CIRC:
315 {
316 SdrCircObj* pCircObj = const_cast<SdrCircObj*>( static_cast<const SdrCircObj*>(&rObj) );
317 SdrPathObj* pPathObj = static_cast<SdrPathObj*>( pCircObj->ConvertToPolyObj( false, false ).release() );
318 tools::Polygon aPoly(pPathObj->GetPathPoly().getB2DPolygon(0));
319
320 // always use SdrObject::Free(...) for SdrObjects (!)
321 SdrObject* pTemp(pPathObj);
322 SdrObject::Free(pTemp);
323
324 auto pObj = std::make_shared<IMapPolygonObject>( aPoly, "", "", "", "", "", true, false );
325 pObj->SetExtraEllipse( aPoly.GetBoundRect() );
326 pCircObj->AppendUserData( std::unique_ptr<SdrObjUserData>(new IMapUserData( pObj )) );
327 }
328 break;
329
330 case OBJ_POLY:
331 case OBJ_FREEFILL:
332 case OBJ_PATHPOLY:
333 case OBJ_PATHFILL:
334 {
335 SdrPathObj* pPathObj = const_cast<SdrPathObj*>( static_cast<const SdrPathObj*>(&rObj) );
336 const basegfx::B2DPolyPolygon& rXPolyPoly = pPathObj->GetPathPoly();
337
338 if ( rXPolyPoly.count() )
339 {
340 tools::Polygon aPoly(rXPolyPoly.getB2DPolygon(0));
341 auto pObj = std::make_shared<IMapPolygonObject>( aPoly, "", "", "", "", "", true, false );
342 pPathObj->AppendUserData( std::unique_ptr<SdrObjUserData>(new IMapUserData( pObj )) );
343 }
344 }
345 break;
346
347 default:
348 break;
349 }
350}
351
352void IMapWindow::SdrObjChanged( const SdrObject& rObj )
353{
354 IMapUserData* pUserData = static_cast<IMapUserData*>( rObj.GetUserData( 0 ) );
355
356 if ( !pUserData )
357 return;
358
359 OUString aURL;
360 OUString aAltText;
361 OUString aDesc;
362 OUString aTarget;
363 IMapObjectPtr pIMapObj = pUserData->GetObject();
364 bool bActive = true;
365
366 if ( pIMapObj )
367 {
368 aURL = pIMapObj->GetURL();
369 aAltText = pIMapObj->GetAltText();
370 aDesc = pIMapObj->GetDesc();
371 aTarget = pIMapObj->GetTarget();
372 bActive = pIMapObj->IsActive();
373 }
374
375 switch( rObj.GetObjIdentifier() )
376 {
377 case OBJ_RECT:
378 {
379 pUserData->ReplaceObject( std::make_shared<IMapRectangleObject>( static_cast<const SdrRectObj&>(rObj).GetLogicRect(),
380 aURL, aAltText, aDesc, aTarget, "", bActive, false ) );
381 }
382 break;
383
384 case OBJ_CIRC:
385 {
386 const SdrCircObj& rCircObj = static_cast<const SdrCircObj&>(rObj);
387 SdrPathObj* pPathObj = static_cast<SdrPathObj*>( rCircObj.ConvertToPolyObj( false, false ).release() );
388 tools::Polygon aPoly(pPathObj->GetPathPoly().getB2DPolygon(0));
389
390 auto pObj = std::make_shared<IMapPolygonObject>( aPoly, aURL, aAltText, aDesc, aTarget, "", bActive, false );
391 pObj->SetExtraEllipse( aPoly.GetBoundRect() );
392
393 // was only created by us temporarily
394 // always use SdrObject::Free(...) for SdrObjects (!)
395 SdrObject* pTemp(pPathObj);
396 SdrObject::Free(pTemp);
397
398 pUserData->ReplaceObject( pObj );
399 }
400 break;
401
402 case OBJ_POLY:
403 case OBJ_FREEFILL:
404 case OBJ_PATHPOLY:
405 case OBJ_PATHFILL:
406 {
407 const SdrPathObj& rPathObj = static_cast<const SdrPathObj&>(rObj);
408 const basegfx::B2DPolyPolygon& rXPolyPoly = rPathObj.GetPathPoly();
409
410 if ( rXPolyPoly.count() )
411 {
412 tools::Polygon aPoly(rPathObj.GetPathPoly().getB2DPolygon(0));
413 auto pObj = std::make_shared<IMapPolygonObject>( aPoly, aURL, aAltText, aDesc, aTarget, "", bActive, false );
414 pUserData->ReplaceObject( pObj );
415 }
416 }
417 break;
418
419 default:
420 break;
421 }
422}
423
424bool IMapWindow::MouseButtonUp(const MouseEvent& rMEvt)
425{
426 bool bRet = GraphCtrl::MouseButtonUp( rMEvt );
427 UpdateInfo( true );
428 return bRet;
429}
430
431void IMapWindow::MarkListHasChanged()
432{
433 GraphCtrl::MarkListHasChanged();
434 UpdateInfo( false );
435}
436
437SdrObject* IMapWindow::GetHitSdrObj( const Point& rPosPixel ) const
438{
439 OutputDevice& rDevice = GetDrawingArea()->get_ref_device();
440
441 SdrObject* pObj = nullptr;
442 Point aPt = rDevice.PixelToLogic( rPosPixel );
443
444 if ( tools::Rectangle( Point(), GetGraphicSize() ).IsInside( aPt ) )
445 {
446 SdrPage* pPage = pModel->GetPage( 0 );
447 if ( pPage )
448 {
449 for ( size_t i = pPage->GetObjCount(); i > 0; )
450 {
451 --i;
452 SdrObject* pTestObj = pPage->GetObj( i );
453 IMapObject* pIMapObj = GetIMapObj( pTestObj );
454
455 if ( pIMapObj && pIMapObj->IsHit( aPt ) )
456 {
457 pObj = pTestObj;
458 break;
459 }
460 }
461 }
462 }
463
464 return pObj;
465}
466
467IMapObject* IMapWindow::GetIMapObj( const SdrObject* pSdrObj )
468{
469 IMapObject* pIMapObj = nullptr;
470
471 if ( pSdrObj )
472 {
473 IMapUserData* pUserData = static_cast<IMapUserData*>( pSdrObj->GetUserData( 0 ) );
474
475 if ( pUserData )
476 pIMapObj = pUserData->GetObject().get();
477 }
478
479 return pIMapObj;
480}
481
482bool IMapWindow::Command(const CommandEvent& rCEvt)
483{
484 if ( rCEvt.GetCommand() == CommandEventId::ContextMenu )
1
Assuming the condition is true
→
2
←
Taking true branch
→
485 {
486 std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetDrawingArea(), "svx/ui/imapmenu.ui"));
487 mxPopupMenu = xBuilder->weld_menu("menu");
488 const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
489 const size_t nMarked = rMarkList.GetMarkCount();
490
491 mxPopupMenu->set_sensitive("url", false);
492 mxPopupMenu->set_sensitive("active", false);
493 mxPopupMenu->set_sensitive("macro", false);
494 mxPopupMenu->set_sensitive("selectall", pModel->GetPage(0)->GetObjCount() != pView->GetMarkedObjectCount());
3
←
Assuming the condition is false
→
495
496 if ( !nMarked )
4
←
Assuming 'nMarked' is 0
→
5
←
Taking true branch
→
497 {
498 mxPopupMenu->set_sensitive("arrange", false);
499 mxPopupMenu->set_sensitive("delete", false);
500 }
501 else
502 {
503 if ( nMarked == 1 )
504 {
505 SdrObject* pSdrObj = GetSelectedSdrObject();
506
507 mxPopupMenu->set_sensitive("url", true);
508 mxPopupMenu->set_sensitive("active", true);
509 mxPopupMenu->set_sensitive("macro", true);
510 mxPopupMenu->set_active("active", GetIMapObj(pSdrObj)->IsActive());
511 }
512
513 mxPopupMenu->set_sensitive("arrange", true);
514 mxPopupMenu->set_sensitive("delete", true);
515 }
516
517 MenuSelectHdl(mxPopupMenu->popup_at_rect(GetDrawingArea(), tools::Rectangle(rCEvt.GetMousePosPixel(), Size(1,1))));
6
←
Calling 'IMapWindow::MenuSelectHdl'
→
518
519 mxPopupMenu.reset();
520
521 return true;
522 }
523 return CustomWidgetController::Command(rCEvt);
524}
525
526IMapDropTargetHelper::IMapDropTargetHelper(IMapWindow& rImapWindow)
527 : DropTargetHelper(rImapWindow.GetDrawingArea()->get_drop_target())
528 , m_rImapWindow(rImapWindow)
529{
530}
531
532sal_Int8 IMapDropTargetHelper::AcceptDrop( const AcceptDropEvent& rEvt )
533{
534 return m_rImapWindow.AcceptDrop(rEvt);
535}
536
537sal_Int8 IMapDropTargetHelper::ExecuteDrop( const ExecuteDropEvent& rEvt )
538{
539 return m_rImapWindow.ExecuteDrop(rEvt);
540}
541
542sal_Int8 IMapWindow::AcceptDrop( const AcceptDropEvent& rEvt )
543{
544 return( ( GetHitSdrObj( rEvt.maPosPixel ) != nullptr ) ? rEvt.mnAction : DND_ACTION_NONEcss::datatransfer::dnd::DNDConstants::ACTION_NONE );
545}
546
547sal_Int8 IMapWindow::ExecuteDrop( const ExecuteDropEvent& rEvt )
548{
549 sal_Int8 nRet = DND_ACTION_NONEcss::datatransfer::dnd::DNDConstants::ACTION_NONE;
550
551 if (mxDropTargetHelper->IsDropFormatSupported(SotClipboardFormatId::NETSCAPE_BOOKMARK))
552 {
553 INetBookmark aBookMark( "", "" );
554 SdrObject* pSdrObj = GetHitSdrObj( rEvt.maPosPixel );
555
556 if( pSdrObj && TransferableDataHelper( rEvt.maDropEvent.Transferable ).GetINetBookmark( SotClipboardFormatId::NETSCAPE_BOOKMARK, aBookMark ) )
557 {
558 IMapObject* pIMapObj = GetIMapObj( pSdrObj );
559
560 pIMapObj->SetURL( aBookMark.GetURL() );
561 pIMapObj->SetAltText( aBookMark.GetDescription() );
562 pModel->SetChanged();
563 pView->UnmarkAll();
564 pView->MarkObj( pSdrObj, pView->GetSdrPageView() );
565 UpdateInfo( true );
566 nRet = rEvt.mnAction;
567 }
568 }
569
570 return nRet;
571}
572
573OUString IMapWindow::RequestHelp(tools::Rectangle& rHelpArea)
574{
575 OutputDevice& rDevice = GetDrawingArea()->get_ref_device();
576
577 Point aPos = rDevice.PixelToLogic(rHelpArea.TopLeft());
578
579 SdrPageView* pPageView = nullptr;
580 SdrObject* pSdrObj = pView->PickObj(aPos, pView->getHitTolLog(), pPageView);
581 if (pSdrObj)
582 {
583 const IMapObject* pIMapObj = GetIMapObj( pSdrObj );
584 if ( pIMapObj )
585 {
586 OUString aStr = pIMapObj->GetURL();
587 if ( !aStr.isEmpty() )
588 {
589 rHelpArea = rDevice.LogicToPixel(tools::Rectangle( Point(), GetGraphicSize()));
590 return aStr;
591 }
592 }
593 }
594
595 return OUString();
596}
597
598void IMapWindow::SetCurrentObjState( bool bActive )
599{
600 SdrObject* pObj = GetSelectedSdrObject();
601
602 if ( !pObj )
603 return;
604
605 SfxItemSet aSet( pModel->GetItemPool() );
606
607 GetIMapObj( pObj )->SetActive( bActive );
608
609 aSet.Put( XFillColorItem( "", TRANSCOLCOL_WHITE ) );
610
611 if ( !bActive )
612 {
613 aSet.Put( XFillTransparenceItem( 100 ) );
614 aSet.Put( XLineColorItem( "", COL_RED ) );
615 }
616 else
617 {
618 aSet.Put( XFillTransparenceItem( 50 ) );
619 aSet.Put( XLineColorItem( "", COL_BLACK ) );
620 }
621
622 pView->SetAttributes( aSet );
623}
624
625void IMapWindow::UpdateInfo( bool bNewObj )
626{
627 if ( !aInfoLink.IsSet() )
628 return;
629
630 const SdrObject* pSdrObj = GetSelectedSdrObject();
631 const IMapObject* pIMapObj = pSdrObj ? GetIMapObj( pSdrObj ) : nullptr;
632
633 aInfo.bNewObj = bNewObj;
634
635 if ( pIMapObj )
636 {
637 aInfo.bOneMarked = true;
638 aInfo.aMarkURL = pIMapObj->GetURL();
639 aInfo.aMarkAltText = pIMapObj->GetAltText();
640 aInfo.aMarkTarget = pIMapObj->GetTarget();
641 aInfo.bActivated = pIMapObj->IsActive();
642 aInfoLink.Call( *this );
643 }
644 else
645 {
646 aInfo.aMarkURL.clear();
647 aInfo.aMarkAltText.clear();
648 aInfo.aMarkTarget.clear();
649 aInfo.bOneMarked = false;
650 aInfo.bActivated = false;
651 }
652
653 aInfoLink.Call( *this );
654}
655
656void IMapWindow::DoMacroAssign()
657{
658 SdrObject* pSdrObj = GetSelectedSdrObject();
659
660 if ( !pSdrObj )
661 return;
662
663 SfxItemSet aSet( *pIMapPool, svl::Items<SID_ATTR_MACROITEMTypedWhichId<SvxMacroItem>(5000 + 934), SID_ATTR_MACROITEMTypedWhichId<SvxMacroItem>(5000 + 934), SID_EVENTCONFIG(5000 + 1101), SID_EVENTCONFIG(5000 + 1101)>{} );
664
665 SfxEventNamesItem aNamesItem(SID_EVENTCONFIG(5000 + 1101));
666 aNamesItem.AddEvent( "MouseOver", "", SvMacroItemId::OnMouseOver );
667 aNamesItem.AddEvent( "MouseOut", "", SvMacroItemId::OnMouseOut );
668 aSet.Put( aNamesItem );
669
670 SvxMacroItem aMacroItem(SID_ATTR_MACROITEMTypedWhichId<SvxMacroItem>(5000 + 934));
671 IMapObject* pIMapObj = GetIMapObj( pSdrObj );
672 aMacroItem.SetMacroTable( pIMapObj->GetMacroTable() );
673 aSet.Put( aMacroItem );
674
675 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
676 ScopedVclPtr<SfxAbstractDialog> pMacroDlg(pFact->CreateEventConfigDialog(GetDrawingArea(), aSet, mxDocumentFrame));
677
678 if ( pMacroDlg->Execute() == RET_OK )
679 {
680 const SfxItemSet* pOutSet = pMacroDlg->GetOutputItemSet();
681 pIMapObj->SetMacroTable( pOutSet->Get( SID_ATTR_MACROITEMTypedWhichId<SvxMacroItem>(5000 + 934) ).GetMacroTable() );
682 pModel->SetChanged();
683 UpdateInfo( false );
684 }
685}
686
687void IMapWindow::DoPropertyDialog()
688{
689 SdrObject* pSdrObj = GetSelectedSdrObject();
690
691 if ( !pSdrObj )
9
←
Assuming 'pSdrObj' is non-null
→
10
←
Taking false branch
→
692 return;
693
694 IMapObject* pIMapObj = GetIMapObj( pSdrObj );
695 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
696 ScopedVclPtr<AbstractURLDlg> aDlg(pFact->CreateURLDialog(GetDrawingArea(), pIMapObj->GetURL(), pIMapObj->GetAltText(), pIMapObj->GetDesc(),
11
←
Calling constructor for 'ScopedVclPtr<AbstractURLDlg>'
→
18
←
Returning from constructor for 'ScopedVclPtr<AbstractURLDlg>'
→
697 pIMapObj->GetTarget(), pIMapObj->GetName(), aTargetList));
19
←
Calling implicit destructor for 'VclPtr<AbstractURLDlg>'
→
20
←
Calling '~Reference'
→
27
←
Returning from '~Reference'
→
28
←
Returning from destructor for 'VclPtr<AbstractURLDlg>'
→
698 if ( aDlg->Execute() != RET_OK )
29
←
Calling 'VclPtr::operator->'
→
699 return;
700
701 const OUString aURLText( aDlg->GetURL() );
702
703 if ( !aURLText.isEmpty() )
704 {
705 INetURLObject aObj( aURLText, INetProtocol::File );
706 DBG_ASSERT( aObj.GetProtocol() != INetProtocol::NotValid, "Invalid URL" )do { if (true && (!(aObj.GetProtocol() != INetProtocol
::NotValid))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/svx/source/dialog/imapwnd.cxx"
":" "706" ": "), "%s", "Invalid URL"); } } while (false);
707 pIMapObj->SetURL( aObj.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
708 }
709 else
710 pIMapObj->SetURL( aURLText );
711
712 pIMapObj->SetAltText( aDlg->GetAltText() );
713 pIMapObj->SetDesc( aDlg->GetDesc() );
714 pIMapObj->SetTarget( aDlg->GetTarget() );
715 pIMapObj->SetName( aDlg->GetName() );
716 pModel->SetChanged();
717 UpdateInfo( true );
718}
719
720void IMapWindow::MenuSelectHdl(const OString& rId)
721{
722 if (rId == "url")
7
←
Taking true branch
→
723 DoPropertyDialog();
8
←
Calling 'IMapWindow::DoPropertyDialog'
→
724 else if (rId == "macro")
725 DoMacroAssign();
726 else if (rId == "active")
727 {
728 const bool bNewState = !mxPopupMenu->get_active(rId);
729 SetCurrentObjState(bNewState);
730 UpdateInfo( false );
731 }
732 else if (rId == "front")
733 pView->PutMarkedToTop();
734 else if (rId == "forward")
735 pView->MovMarkedToTop();
736 else if (rId == "backward")
737 pView->MovMarkedToBtm();
738 else if (rId == "back")
739 pView->PutMarkedToBtm();
740 else if (rId == "selectall")
741 pView->MarkAll();
742 else if (rId == "delete")
743 pView->DeleteMarked();
744}
745
746/* 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();
30
←
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)
12
←
Calling implicit copy constructor for 'VclPtr<AbstractURLDlg>'
→
13
←
Calling copy constructor for 'Reference<AbstractURLDlg>'
→
16
←
Returning from copy constructor for 'Reference<AbstractURLDlg>'
→
17
←
Returning from copy constructor for 'VclPtr<AbstractURLDlg>'
→
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)
14
←
Assuming field 'm_pBody' is non-null
→
15
←
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
20.1
Field 'm_pBody' is non-null
20.1
Field 'm_pBody' is non-null
20.1
Field 'm_pBody' is non-null
20.1
Field 'm_pBody' is non-null
)
21
←
Taking true branch
→
113 m_pBody->release();
22
←
Calling 'VclReferenceBase::release'
→
26
←
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;
31
←
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)
23
←
Assuming the condition is true
→
24
←
Taking true branch
→
40 delete this;
25
←
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