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 tppattern.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 -isystem /usr/include/libxml2 -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 CUI_DLLIMPLEMENTATION -D SYSTEM_LIBXML -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/epoxy/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/qrcodegen/cpp/ -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/liborcus/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/liborcus/include -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/workdir/UnpackedTarball/curl/include -I /home/maarten/src/libreoffice/core/external/clew/source/include -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/cui/inc -I /home/maarten/src/libreoffice/core/cui/source/inc -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/x86_64-redhat-linux -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/backward -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/11.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O0 -Wno-missing-braces -std=c++17 -fdeprecated-macro -fdebug-compilation-dir /home/maarten/src/libreoffice/core -ferror-limit 19 -fvisibility hidden -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -debug-info-kind=constructor -analyzer-output=html -faddrsig -o /home/maarten/tmp/wis/scan-build-libreoffice/output/report/2020-10-07-141433-9725-1 -x c++ /home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.cxx

/home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.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 <memory>
21#include <tools/urlobj.hxx>
22#include <sfx2/dialoghelper.hxx>
23#include <svx/colorbox.hxx>
24#include <svx/dialmgr.hxx>
25#include <vcl/BitmapTools.hxx>
26#include <vcl/svapp.hxx>
27#include <vcl/weld.hxx>
28#include <svx/strings.hrc>
29
30#include <strings.hrc>
31#include <svx/xfillit0.hxx>
32#include <svx/xbtmpit.hxx>
33#include <svx/xtable.hxx>
34#include <svx/xflbmtit.hxx>
35#include <cuitabarea.hxx>
36#include <svx/svxdlg.hxx>
37#include <dialmgr.hxx>
38#include <sal/log.hxx>
39
40using namespace com::sun::star;
41
42/*************************************************************************
43|* Preview control for the display of bitmaps
44\************************************************************************/
45
46class SvxBitmapCtl
47{
48private:
49 Color aPixelColor, aBackgroundColor;
50 std::array<sal_uInt8,64> const * pBmpArray;
51
52public:
53 // Constructor: BitmapCtl for SvxPixelCtl
54 SvxBitmapCtl()
55 : pBmpArray(nullptr)
56 {
57 }
58
59 // BitmapCtl: Returns the Bitmap
60 BitmapEx GetBitmapEx() const
61 {
62 if (!pBmpArray)
63 return BitmapEx();
64 return vcl::bitmap::createHistorical8x8FromArray(*pBmpArray, aPixelColor, aBackgroundColor);
65 }
66
67 void SetBmpArray( std::array<sal_uInt8,64> const & pPixel ) { pBmpArray = &pPixel; }
68 void SetPixelColor( Color aColor ) { aPixelColor = aColor; }
69 void SetBackgroundColor( Color aColor ) { aBackgroundColor = aColor; }
70};
71
72SvxPatternTabPage::SvxPatternTabPage(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet& rInAttrs)
73 : SvxTabPage(pPage, pController, "cui/ui/patterntabpage.ui", "PatternTabPage", rInAttrs)
74 , m_rOutAttrs(rInAttrs)
75 , m_pnPatternListState(nullptr)
76 , m_pnColorListState(nullptr)
77 , m_aXFillAttr(rInAttrs.GetPool())
78 , m_rXFSet(m_aXFillAttr.GetItemSet())
79 , m_xCtlPixel(new SvxPixelCtl(this))
80 , m_xLbColor(new ColorListBox(m_xBuilder->weld_menu_button("LB_COLOR"), pController->getDialog()))
81 , m_xLbBackgroundColor(new ColorListBox(m_xBuilder->weld_menu_button("LB_BACKGROUND_COLOR"), pController->getDialog()))
82 , m_xPatternLB(new SvxPresetListBox(m_xBuilder->weld_scrolled_window("patternpresetlistwin", true)))
83 , m_xBtnAdd(m_xBuilder->weld_button("BTN_ADD"))
84 , m_xBtnModify(m_xBuilder->weld_button("BTN_MODIFY"))
85 , m_xCtlPixelWin(new weld::CustomWeld(*m_xBuilder, "CTL_PIXEL", *m_xCtlPixel))
86 , m_xCtlPreview(new weld::CustomWeld(*m_xBuilder, "CTL_PREVIEW", m_aCtlPreview))
87 , m_xPatternLBWin(new weld::CustomWeld(*m_xBuilder, "patternpresetlist", *m_xPatternLB))
88{
89 // size of the bitmap display
90 Size aSize = getDrawPreviewOptimalSize(m_aCtlPreview.GetDrawingArea()->get_ref_device());
91 m_xPatternLB->set_size_request(aSize.Width(), aSize.Height());
92 m_xCtlPreview->set_size_request(aSize.Width(), aSize.Height());
93
94 m_xBitmapCtl.reset(new SvxBitmapCtl);
95
96 // this page needs ExchangeSupport
97 SetExchangeSupport();
98
99 // setting the output device
100 m_rXFSet.Put( XFillStyleItem(drawing::FillStyle_BITMAP) );
101 m_rXFSet.Put( XFillBitmapItem(OUString(), Graphic()) );
102
103 m_xBtnAdd->connect_clicked( LINK( this, SvxPatternTabPage, ClickAddHdl_Impl )::tools::detail::makeLink( ::tools::detail::castTo<SvxPatternTabPage
*>(this), &SvxPatternTabPage::LinkStubClickAddHdl_Impl
)
);
104 m_xBtnModify->connect_clicked( LINK( this, SvxPatternTabPage, ClickModifyHdl_Impl )::tools::detail::makeLink( ::tools::detail::castTo<SvxPatternTabPage
*>(this), &SvxPatternTabPage::LinkStubClickModifyHdl_Impl
)
);
105
106 m_xPatternLB->SetSelectHdl( LINK( this, SvxPatternTabPage, ChangePatternHdl_Impl )::tools::detail::makeLink( ::tools::detail::castTo<SvxPatternTabPage
*>(this), &SvxPatternTabPage::LinkStubChangePatternHdl_Impl
)
);
107 m_xPatternLB->SetRenameHdl( LINK( this, SvxPatternTabPage, ClickRenameHdl_Impl )::tools::detail::makeLink( ::tools::detail::castTo<SvxPatternTabPage
*>(this), &SvxPatternTabPage::LinkStubClickRenameHdl_Impl
)
);
108 m_xPatternLB->SetDeleteHdl( LINK( this, SvxPatternTabPage, ClickDeleteHdl_Impl )::tools::detail::makeLink( ::tools::detail::castTo<SvxPatternTabPage
*>(this), &SvxPatternTabPage::LinkStubClickDeleteHdl_Impl
)
);
109 m_xLbColor->SetSelectHdl( LINK( this, SvxPatternTabPage, ChangeColorHdl_Impl )::tools::detail::makeLink( ::tools::detail::castTo<SvxPatternTabPage
*>(this), &SvxPatternTabPage::LinkStubChangeColorHdl_Impl
)
);
110 m_xLbBackgroundColor->SetSelectHdl( LINK( this, SvxPatternTabPage, ChangeColorHdl_Impl )::tools::detail::makeLink( ::tools::detail::castTo<SvxPatternTabPage
*>(this), &SvxPatternTabPage::LinkStubChangeColorHdl_Impl
)
);
111}
112
113SvxPatternTabPage::~SvxPatternTabPage()
114{
115 m_xPatternLBWin.reset();
116 m_xCtlPreview.reset();
117 m_xCtlPixelWin.reset();
118 m_xPatternLB.reset();
119 m_xLbBackgroundColor.reset();
120 m_xLbColor.reset();
121 m_xCtlPixel.reset();
122}
123
124void SvxPatternTabPage::Construct()
125{
126 m_xPatternLB->FillPresetListBox( *m_pPatternList );
127}
128
129void SvxPatternTabPage::ActivatePage( const SfxItemSet& rSet )
130{
131 if( !m_pColorList.is() )
132 return;
133
134 // ColorList
135 if( *m_pnColorListState & ChangeType::CHANGED ||
136 *m_pnColorListState & ChangeType::MODIFIED )
137 {
138 SvxAreaTabDialog* pArea = (*m_pnColorListState & ChangeType::CHANGED) ?
139 dynamic_cast<SvxAreaTabDialog*>(GetDialogController()) : nullptr;
140 if (pArea)
141 m_pColorList = pArea->GetNewColorList();
142 }
143
144 // determining (possibly cutting) the name and
145 // displaying it in the GroupBox
146 OUString aString = CuiResId( RID_SVXSTR_TABLEreinterpret_cast<char const *>("RID_SVXSTR_TABLE" "\004"
u8"Table")
) + ": ";
147 INetURLObject aURL( m_pPatternList->GetPath() );
148
149 aURL.Append( m_pPatternList->GetName() );
150 SAL_WARN_IF( aURL.GetProtocol() == INetProtocol::NotValid, "cui.tabpages", "invalid URL" )do { if (true && (aURL.GetProtocol() == INetProtocol::
NotValid)) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "cui.tabpages")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "invalid URL") == 1) {
::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("cui.tabpages"
), ("/home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.cxx"
":" "150" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "invalid URL"), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "invalid URL";
::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("cui.tabpages"
), ("/home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.cxx"
":" "150" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "invalid URL") == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN
), ("cui.tabpages"), ("/home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.cxx"
":" "150" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "invalid URL"), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "invalid URL";
::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("cui.tabpages"
), ("/home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.cxx"
":" "150" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
;
151
152 if( aURL.getBase().getLength() > 18 )
153 {
154 aString += aURL.getBase().copy( 0, 15 ) + "...";
155 }
156 else
157 aString += aURL.getBase();
158
159 XFillBitmapItem aItem( rSet.Get( XATTR_FILLBITMAP ) );
160
161 if ( aItem.isPattern() )
162 {
163 sal_Int32 nPos = SearchPatternList( aItem.GetName() );
164 if ( nPos != -1)
165 {
166 sal_uInt16 nId = m_xPatternLB->GetItemId( static_cast<size_t>( nPos ) );
167 m_xPatternLB->SelectItem( nId );
168 }
169 }
170 else
171 m_xPatternLB->SelectItem( m_xPatternLB->GetItemId( static_cast<size_t>( 0 ) ) );
172}
173
174
175DeactivateRC SvxPatternTabPage::DeactivatePage( SfxItemSet* _pSet)
176{
177 if( _pSet )
178 FillItemSet( _pSet );
179
180 return DeactivateRC::LeavePage;
181}
182
183
184bool SvxPatternTabPage::FillItemSet( SfxItemSet* _rOutAttrs )
185{
186 _rOutAttrs->Put(XFillStyleItem(drawing::FillStyle_BITMAP));
187 size_t nPos = m_xPatternLB->IsNoSelection() ? VALUESET_ITEM_NOTFOUND(size_t(-1)) : m_xPatternLB->GetSelectItemPos();
188 if(VALUESET_ITEM_NOTFOUND(size_t(-1)) != nPos)
189 {
190 const XBitmapEntry* pXBitmapEntry = m_pPatternList->GetBitmap( static_cast<sal_uInt16>(nPos) );
191 const OUString aString( m_xPatternLB->GetItemText( m_xPatternLB->GetSelectedItemId() ) );
192
193 _rOutAttrs->Put(XFillBitmapItem(aString, pXBitmapEntry->GetGraphicObject()));
194 }
195 else
196 {
197 const BitmapEx aBitmapEx(m_xBitmapCtl->GetBitmapEx());
198
199 _rOutAttrs->Put(XFillBitmapItem(OUString(), Graphic(aBitmapEx)));
200 }
201 _rOutAttrs->Put(XFillBmpTileItem(true));
202 return true;
203}
204
205
206void SvxPatternTabPage::Reset( const SfxItemSet* )
207{
208 m_xBitmapCtl->SetPixelColor( m_xLbColor->GetSelectEntryColor() );
209 m_xBitmapCtl->SetBackgroundColor( m_xLbBackgroundColor->GetSelectEntryColor() );
210 m_xBitmapCtl->SetBmpArray( m_xCtlPixel->GetBitmapPixelPtr() );
211
212 // get bitmap and display it
213 const XFillBitmapItem aBmpItem(OUString(), Graphic(m_xBitmapCtl->GetBitmapEx()));
214 if(aBmpItem.isPattern())
215 {
216 m_rXFSet.Put( aBmpItem );
217 m_aCtlPreview.SetAttributes( m_aXFillAttr.GetItemSet() );
218 m_aCtlPreview.Invalidate();
219 }
220
221 ChangePatternHdl_Impl(m_xPatternLB.get());
222
223 // determine button state
224 if( m_pPatternList.is() && m_pPatternList->Count() )
225 {
226 m_xBtnAdd->set_sensitive(true);
227 m_xBtnModify->set_sensitive(true);
228 }
229 else
230 {
231 m_xBtnModify->set_sensitive(false);
232 }
233}
234
235std::unique_ptr<SfxTabPage> SvxPatternTabPage::Create( weld::Container* pPage, weld::DialogController* pController,
236 const SfxItemSet* rSet )
237{
238 return std::make_unique<SvxPatternTabPage>(pPage, pController, *rSet);
239}
240
241IMPL_LINK_NOARG(SvxPatternTabPage, ChangePatternHdl_Impl, ValueSet*, void)void SvxPatternTabPage::LinkStubChangePatternHdl_Impl(void * instance
, ValueSet* data) { return static_cast<SvxPatternTabPage *
>(instance)->ChangePatternHdl_Impl(data); } void SvxPatternTabPage
::ChangePatternHdl_Impl(__attribute__ ((unused)) ValueSet*)
242{
243 std::unique_ptr<GraphicObject> pGraphicObject;
244 size_t nPos = m_xPatternLB->GetSelectItemPos();
245
246 if(VALUESET_ITEM_NOTFOUND(size_t(-1)) != nPos)
247 {
248 pGraphicObject.reset(new GraphicObject(m_pPatternList->GetBitmap( static_cast<sal_uInt16>(nPos) )->GetGraphicObject()));
249 }
250 else
251 {
252 const SfxPoolItem* pPoolItem = nullptr;
253
254 if(SfxItemState::SET == m_rOutAttrs.GetItemState(GetWhich(XATTR_FILLSTYLE), true, &pPoolItem))
255 {
256 const drawing::FillStyle eXFS(static_cast<const XFillStyleItem*>(pPoolItem)->GetValue());
257
258 if((drawing::FillStyle_BITMAP == eXFS) && (SfxItemState::SET == m_rOutAttrs.GetItemState(GetWhich(XATTR_FILLBITMAP), true, &pPoolItem)))
259 {
260 pGraphicObject.reset(new GraphicObject(static_cast<const XFillBitmapItem*>(pPoolItem)->GetGraphicObject()));
261 }
262 }
263
264 if(!pGraphicObject)
265 {
266 sal_uInt16 nPosition = m_xPatternLB->GetItemId( 0 );
267 m_xPatternLB->SelectItem( nPosition );
268 if( nPosition != 0 )
269 {
270 pGraphicObject.reset(new GraphicObject(m_pPatternList->GetBitmap(0)->GetGraphicObject()));
271 }
272 }
273 }
274
275 if(!pGraphicObject)
276 return;
277
278 Color aBackColor;
279 Color aPixelColor;
280 bool bIs8x8(vcl::bitmap::isHistorical8x8(pGraphicObject->GetGraphic().GetBitmapEx(), aBackColor, aPixelColor));
281
282 m_xLbColor->SetNoSelection();
283 m_xLbBackgroundColor->SetNoSelection();
284
285 if(bIs8x8)
286 {
287 m_xCtlPixel->SetPaintable( true );
288 m_xBtnModify->set_sensitive(true);
289 m_xBtnAdd->set_sensitive(true);
290
291 // setting the pixel control
292
293 m_xCtlPixel->SetXBitmap(pGraphicObject->GetGraphic().GetBitmapEx());
294
295 m_xLbColor->SelectEntry( aPixelColor );
296 m_xLbBackgroundColor->SelectEntry( aBackColor );
297
298 // update m_xBitmapCtl, rXFSet and m_aCtlPreview
299 m_xBitmapCtl->SetPixelColor( aPixelColor );
300 m_xBitmapCtl->SetBackgroundColor( aBackColor );
301 m_rXFSet.ClearItem();
302 m_rXFSet.Put(XFillStyleItem(drawing::FillStyle_BITMAP));
303 m_rXFSet.Put(XFillBitmapItem(OUString(), Graphic(m_xBitmapCtl->GetBitmapEx())));
304 m_aCtlPreview.SetAttributes( m_aXFillAttr.GetItemSet() );
305 m_aCtlPreview.Invalidate();
306 }
307 else
308 {
309 m_xCtlPixel->Reset();
310 m_xCtlPixel->SetPaintable( false );
311 m_xBtnModify->set_sensitive(false);
312 m_xBtnAdd->set_sensitive(false);
313 }
314
315 m_xCtlPixel->Invalidate();
316}
317
318IMPL_LINK_NOARG(SvxPatternTabPage, ClickAddHdl_Impl, weld::Button&, void)void SvxPatternTabPage::LinkStubClickAddHdl_Impl(void * instance
, weld::Button& data) { return static_cast<SvxPatternTabPage
*>(instance)->ClickAddHdl_Impl(data); } void SvxPatternTabPage
::ClickAddHdl_Impl(__attribute__ ((unused)) weld::Button&
)
319{
320
321 OUString aNewName( SvxResId( RID_SVXSTR_PATTERN_UNTITLEDreinterpret_cast<char const *>("RID_SVXSTR_PATTERN_UNTITLED"
"\004" u8"Untitled Pattern")
) );
322 OUString aDesc( CuiResId( RID_SVXSTR_DESC_NEW_PATTERNreinterpret_cast<char const *>("RID_SVXSTR_DESC_NEW_PATTERN"
"\004" u8"Please enter a name for the pattern:")
) );
323 OUString aName;
324
325 long nCount = m_pPatternList->Count();
326 long j = 1;
327 bool bValidPatternName = false;
328
329 while( !bValidPatternName )
330 {
331 aName = aNewName + " " + OUString::number( j++ );
332 bValidPatternName = (SearchPatternList(aName) == -1);
333 }
334
335 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
336 ScopedVclPtr<AbstractSvxNameDialog> pDlg(pFact->CreateSvxNameDialog(GetFrameWeld(), aName, aDesc));
337 sal_uInt16 nError(1);
338
339 while( pDlg->Execute() == RET_OK )
340 {
341 pDlg->GetName( aName );
342
343 bValidPatternName = (SearchPatternList(aName) == -1);
344
345 if( bValidPatternName ) {
346 nError = 0;
347 break;
348 }
349
350 std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetFrameWeld(), "cui/ui/queryduplicatedialog.ui"));
351 std::unique_ptr<weld::MessageDialog> xWarnBox(xBuilder->weld_message_dialog("DuplicateNameDialog"));
352 if (xWarnBox->run() != RET_OK)
353 break;
354 }
355
356 pDlg.disposeAndClear();
357
358 if( !nError )
359 {
360 std::unique_ptr<XBitmapEntry> pEntry;
361 if( m_xCtlPixel->IsEnabled() )
362 {
363 const BitmapEx aBitmapEx(m_xBitmapCtl->GetBitmapEx());
364
365 pEntry.reset(new XBitmapEntry(Graphic(aBitmapEx), aName));
366 }
367 else // it must be a not existing imported bitmap
368 {
369 const SfxPoolItem* pPoolItem = nullptr;
370
371 if(SfxItemState::SET == m_rOutAttrs.GetItemState(XATTR_FILLBITMAP, true, &pPoolItem))
372 {
373 auto pFillBmpItem = dynamic_cast<const XFillBitmapItem*>(pPoolItem);
374 assert(pFillBmpItem)(static_cast <bool> (pFillBmpItem) ? void (0) : __assert_fail
("pFillBmpItem", "/home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.cxx"
, 374, __extension__ __PRETTY_FUNCTION__))
;
375 pEntry.reset(new XBitmapEntry(pFillBmpItem->GetGraphicObject(), aName));
376 }
377 else
378 assert(!"SvxPatternTabPage::ClickAddHdl_Impl(), XBitmapEntry* pEntry == nullptr ?")(static_cast <bool> (!"SvxPatternTabPage::ClickAddHdl_Impl(), XBitmapEntry* pEntry == nullptr ?"
) ? void (0) : __assert_fail ("!\"SvxPatternTabPage::ClickAddHdl_Impl(), XBitmapEntry* pEntry == nullptr ?\""
, "/home/maarten/src/libreoffice/core/cui/source/tabpages/tppattern.cxx"
, 378, __extension__ __PRETTY_FUNCTION__))
;
379 }
380
381 if( pEntry )
382 {
383 m_pPatternList->Insert(std::move(pEntry), nCount);
384 sal_Int32 nId = m_xPatternLB->GetItemId( nCount - 1 );
385 BitmapEx aBitmap = m_pPatternList->GetBitmapForPreview( nCount, m_xPatternLB->GetIconSize() );
386 m_xPatternLB->InsertItem( nId + 1, Image(aBitmap), aName );
387 m_xPatternLB->SelectItem( nId + 1 );
388 m_xPatternLB->Resize();
389
390 *m_pnPatternListState |= ChangeType::MODIFIED;
391
392 ChangePatternHdl_Impl(m_xPatternLB.get());
393 }
394 }
395
396 // determine button state
397 if( m_pPatternList->Count() )
398 {
399 m_xBtnModify->set_sensitive(true);
400 }
401}
402
403IMPL_LINK_NOARG(SvxPatternTabPage, ClickModifyHdl_Impl, weld::Button&, void)void SvxPatternTabPage::LinkStubClickModifyHdl_Impl(void * instance
, weld::Button& data) { return static_cast<SvxPatternTabPage
*>(instance)->ClickModifyHdl_Impl(data); } void SvxPatternTabPage
::ClickModifyHdl_Impl(__attribute__ ((unused)) weld::Button&
)
404{
405 sal_uInt16 nId = m_xPatternLB->GetSelectedItemId();
406 size_t nPos = m_xPatternLB->GetSelectItemPos();
407
408 if ( nPos == VALUESET_ITEM_NOTFOUND(size_t(-1)) )
409 return;
410
411 OUString aName( m_pPatternList->GetBitmap( static_cast<sal_uInt16>(nPos) )->GetName() );
412
413 const BitmapEx aBitmapEx(m_xBitmapCtl->GetBitmapEx());
414
415 // #i123497# Need to replace the existing entry with a new one (old returned needs to be deleted)
416 m_pPatternList->Replace(std::make_unique<XBitmapEntry>(Graphic(aBitmapEx), aName), nPos);
417
418 BitmapEx aBitmap = m_pPatternList->GetBitmapForPreview( static_cast<sal_uInt16>( nPos ), m_xPatternLB->GetIconSize() );
419 m_xPatternLB->RemoveItem(nId);
420 m_xPatternLB->InsertItem( nId, Image(aBitmap), aName, static_cast<sal_uInt16>(nPos) );
421 m_xPatternLB->SelectItem( nId );
422
423 *m_pnPatternListState |= ChangeType::MODIFIED;
424}
425
426
427IMPL_LINK_NOARG(SvxPatternTabPage, ClickRenameHdl_Impl, SvxPresetListBox*, void)void SvxPatternTabPage::LinkStubClickRenameHdl_Impl(void * instance
, SvxPresetListBox* data) { return static_cast<SvxPatternTabPage
*>(instance)->ClickRenameHdl_Impl(data); } void SvxPatternTabPage
::ClickRenameHdl_Impl(__attribute__ ((unused)) SvxPresetListBox
*)
1
Calling 'SvxPatternTabPage::ClickRenameHdl_Impl'
428{
429 size_t nPos = m_xPatternLB->GetSelectItemPos();
430 sal_Int32 nId = m_xPatternLB->GetSelectedItemId();
431
432 if ( nPos == VALUESET_ITEM_NOTFOUND(size_t(-1)) )
2
Assuming the condition is false
3
Taking false branch
433 return;
434
435 OUString aDesc(CuiResId(RID_SVXSTR_DESC_NEW_PATTERNreinterpret_cast<char const *>("RID_SVXSTR_DESC_NEW_PATTERN"
"\004" u8"Please enter a name for the pattern:")
));
436 OUString aName(m_pPatternList->GetBitmap(nPos)->GetName());
437
438 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
439 ScopedVclPtr<AbstractSvxNameDialog> pDlg(pFact->CreateSvxNameDialog(GetFrameWeld(), aName, aDesc));
4
Calling constructor for 'ScopedVclPtr<AbstractSvxNameDialog>'
11
Returning from constructor for 'ScopedVclPtr<AbstractSvxNameDialog>'
12
Calling implicit destructor for 'VclPtr<AbstractSvxNameDialog>'
13
Calling '~Reference'
20
Returning from '~Reference'
21
Returning from destructor for 'VclPtr<AbstractSvxNameDialog>'
440
441 bool bLoop = true;
442
443 while( bLoop
21.1
'bLoop' is true
21.1
'bLoop' is true
21.1
'bLoop' is true
21.1
'bLoop' is true
&& pDlg->Execute() == RET_OK )
22
Calling 'VclPtr::operator->'
444 {
445 pDlg->GetName( aName );
446 sal_Int32 nPatternPos = SearchPatternList(aName);
447 bool bValidPatternName = (nPatternPos == static_cast<sal_Int32>(nPos) ) || (nPatternPos == -1);
448
449 if( bValidPatternName )
450 {
451 bLoop = false;
452
453 m_pPatternList->GetBitmap(nPos)->SetName(aName);
454
455 m_xPatternLB->SetItemText( nId, aName );
456 m_xPatternLB->SelectItem( nId );
457
458 *m_pnPatternListState |= ChangeType::MODIFIED;
459 }
460 else
461 {
462 std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetFrameWeld(), "cui/ui/queryduplicatedialog.ui"));
463 std::unique_ptr<weld::MessageDialog> xWarnBox(xBuilder->weld_message_dialog("DuplicateNameDialog"));
464 xWarnBox->run();
465 }
466 }
467}
468
469IMPL_LINK_NOARG(SvxPatternTabPage, ClickDeleteHdl_Impl, SvxPresetListBox*, void)void SvxPatternTabPage::LinkStubClickDeleteHdl_Impl(void * instance
, SvxPresetListBox* data) { return static_cast<SvxPatternTabPage
*>(instance)->ClickDeleteHdl_Impl(data); } void SvxPatternTabPage
::ClickDeleteHdl_Impl(__attribute__ ((unused)) SvxPresetListBox
*)
470{
471 sal_uInt16 nId = m_xPatternLB->GetSelectedItemId();
472 size_t nPos = m_xPatternLB->GetSelectItemPos();
473
474 if( nPos != VALUESET_ITEM_NOTFOUND(size_t(-1)) )
475 {
476 std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(GetFrameWeld(), "cui/ui/querydeletebitmapdialog.ui"));
477 std::unique_ptr<weld::MessageDialog> xQueryBox(xBuilder->weld_message_dialog("AskDelBitmapDialog"));
478 if (xQueryBox->run() == RET_YES)
479 {
480 m_pPatternList->Remove(nPos);
481 m_xPatternLB->RemoveItem( nId );
482 nId = m_xPatternLB->GetItemId(0);
483 m_xPatternLB->SelectItem( nId );
484 m_xPatternLB->Resize();
485
486 m_aCtlPreview.Invalidate();
487 m_xCtlPixel->Invalidate();
488
489 ChangePatternHdl_Impl(m_xPatternLB.get());
490
491 *m_pnPatternListState |= ChangeType::MODIFIED;
492 }
493 }
494 // determine button state
495 if( !m_pPatternList->Count() )
496 {
497 m_xBtnModify->set_sensitive(false);
498 }
499}
500
501IMPL_LINK_NOARG(SvxPatternTabPage, ChangeColorHdl_Impl, ColorListBox&, void)void SvxPatternTabPage::LinkStubChangeColorHdl_Impl(void * instance
, ColorListBox& data) { return static_cast<SvxPatternTabPage
*>(instance)->ChangeColorHdl_Impl(data); } void SvxPatternTabPage
::ChangeColorHdl_Impl(__attribute__ ((unused)) ColorListBox&
)
502{
503 ChangeColor_Impl();
504 m_xPatternLB->SetNoSelection();
505}
506
507void SvxPatternTabPage::ChangeColor_Impl()
508{
509 m_xCtlPixel->SetPixelColor( m_xLbColor->GetSelectEntryColor() );
510 m_xCtlPixel->SetBackgroundColor( m_xLbBackgroundColor->GetSelectEntryColor() );
511 m_xCtlPixel->Invalidate();
512
513 m_xBitmapCtl->SetPixelColor( m_xLbColor->GetSelectEntryColor() );
514 m_xBitmapCtl->SetBackgroundColor( m_xLbBackgroundColor->GetSelectEntryColor() );
515
516 // get bitmap and display it
517 m_rXFSet.Put(XFillBitmapItem(OUString(), Graphic(m_xBitmapCtl->GetBitmapEx())));
518 m_aCtlPreview.SetAttributes( m_aXFillAttr.GetItemSet() );
519 m_aCtlPreview.Invalidate();
520}
521
522void SvxPatternTabPage::PointChanged(weld::DrawingArea* pDrawingArea, RectPoint)
523{
524 if (pDrawingArea == m_xCtlPixel->GetDrawingArea())
525 {
526 m_xBitmapCtl->SetBmpArray(m_xCtlPixel->GetBitmapPixelPtr());
527
528 // get bitmap and display it
529 m_rXFSet.Put(XFillBitmapItem(OUString(), Graphic(m_xBitmapCtl->GetBitmapEx())));
530 m_aCtlPreview.SetAttributes( m_aXFillAttr.GetItemSet() );
531 m_aCtlPreview.Invalidate();
532 }
533
534 m_xPatternLB->SetNoSelection();
535}
536
537sal_Int32 SvxPatternTabPage::SearchPatternList(const OUString& rPatternName)
538{
539 long nCount = m_pPatternList->Count();
540 bool bValidPatternName = true;
541 sal_Int32 nPos = -1;
542
543 for(long i = 0;i < nCount && bValidPatternName;i++)
544 {
545 if(rPatternName == m_pPatternList->GetBitmap( i )->GetName())
546 {
547 nPos = i;
548 bValidPatternName = false;
549 }
550 }
551 return nPos;
552}
553
554/* 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();
23
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)
5
Calling implicit copy constructor for 'VclPtr<AbstractSvxNameDialog>'
6
Calling copy constructor for 'Reference<AbstractSvxNameDialog>'
9
Returning from copy constructor for 'Reference<AbstractSvxNameDialog>'
10
Returning from copy constructor for 'VclPtr<AbstractSvxNameDialog>'
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)
7
Assuming field 'm_pBody' is non-null
8
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
13.1
Field 'm_pBody' is non-null
13.1
Field 'm_pBody' is non-null
13.1
Field 'm_pBody' is non-null
13.1
Field 'm_pBody' is non-null
)
14
Taking true branch
113 m_pBody->release();
15
Calling 'VclReferenceBase::release'
19
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;
24
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)
16
Assuming the condition is true
17
Taking true branch
40 delete this;
18
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