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

Press '?' to see keyboard shortcuts

clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name ivctrl.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 /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/glm -isystem /usr/include/glib-2.0 -isystem /usr/lib64/glib-2.0/include -isystem /usr/include/libmount -isystem /usr/include/blkid -isystem /usr/include/cairo -isystem /usr/include/glib-2.0 -isystem /usr/lib64/glib-2.0/include -isystem /usr/include/pixman-1 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/include/libxml2 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/include/dbus-1.0 -isystem /usr/lib64/dbus-1.0/include -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -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 VCL_DLLIMPLEMENTATION -D DLLIMPLEMENTATION_UITEST -D CUI_DLL_NAME="libcuilo.so" -D DESKTOP_DETECTOR_DLL_NAME="libdesktop_detectorlo.so" -D TK_DLL_NAME="libtklo.so" -D SYSTEM_ZLIB -D GLM_FORCE_CTOR_INIT -D SK_USER_CONFIG_HEADER=</home/maarten/src/libreoffice/core/config_host/config_skia.h> -D SKIA_DLL -D ENABLE_CUPS -D HAVE_VALGRIND_HEADERS -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/skia/include/core -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/effects -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/gpu -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/config -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/ports -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/third_party/vulkan -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/tools/gpu -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia -I /home/maarten/src/libreoffice/core/external/skia/inc/ -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/mdds/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/lcms2/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/harfbuzz/src -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/graphite/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/workdir/UnpackedTarball/pdfium -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/pdfium/public -D COMPONENT_BUILD -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/libpng -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/libjpeg-turbo -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/vcl/inc -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /usr/include/freetype2 -I /usr/include/libpng16 -I /usr/include/libxml2 -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/vcl/source/control/ivctrl.cxx

/home/maarten/src/libreoffice/core/vcl/source/control/ivctrl.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
21#include <vcl/toolkit/ivctrl.hxx>
22#include "imivctl.hxx"
23#include <vcl/accessiblefactory.hxx>
24#include <vcl/bitmapex.hxx>
25#include <vcl/commandevent.hxx>
26#include <vcl/mnemonic.hxx>
27#include <vcl/settings.hxx>
28#include <vcl/tabctrl.hxx>
29#include <vcl/vclevent.hxx>
30#include <vcl/uitest/uiobject.hxx>
31#include <verticaltabctrl.hxx>
32
33using namespace ::com::sun::star::accessibility;
34
35/*****************************************************************************
36|
37| class : SvxIconChoiceCtrlEntry
38|
39\*****************************************************************************/
40
41SvxIconChoiceCtrlEntry::SvxIconChoiceCtrlEntry( const OUString& rText,
42 const Image& rImage )
43 : aImage(rImage)
44 , aText(rText)
45 , nPos(0)
46 , pblink(nullptr)
47 , pflink(nullptr)
48 , eTextMode(SvxIconChoiceCtrlTextMode::Short)
49 , nX(0)
50 , nY(0)
51 , nFlags(SvxIconViewFlags::NONE)
52{
53}
54
55OUString SvxIconChoiceCtrlEntry::GetDisplayText() const
56{
57 return MnemonicGenerator::EraseAllMnemonicChars( aText );
58}
59
60
61SvxIconChoiceCtrlColumnInfo::SvxIconChoiceCtrlColumnInfo( const SvxIconChoiceCtrlColumnInfo& rInfo )
62{
63 nWidth = rInfo.nWidth;
64}
65
66/*****************************************************************************
67|
68| class : SvtIconChoiceCtrl
69|
70\*****************************************************************************/
71
72SvtIconChoiceCtrl::SvtIconChoiceCtrl( vcl::Window* pParent, WinBits nWinStyle ) :
73
74 // WB_CLIPCHILDREN on, as ScrollBars lie on the window!
75 Control( pParent, nWinStyle | WB_CLIPCHILDREN ),
76
77 _pImpl ( new SvxIconChoiceCtrl_Impl( this, nWinStyle ) )
78{
79 SetLineColor();
80 _pImpl->InitSettings();
81 _pImpl->SetPositionMode( SvxIconChoiceCtrlPositionMode::AutoArrange );
82}
83
84SvtIconChoiceCtrl::~SvtIconChoiceCtrl()
85{
86 disposeOnce();
87}
88
89void SvtIconChoiceCtrl::dispose()
90{
91 if (_pImpl)
92 {
93 _pImpl->CallEventListeners( VclEventId::ObjectDying, nullptr );
94 _pImpl.reset();
95 }
96 Control::dispose();
97}
98
99SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::InsertEntry( const OUString& rText, const Image& rImage )
100{
101 SvxIconChoiceCtrlEntry* pEntry = new SvxIconChoiceCtrlEntry( rText, rImage);
102
103 _pImpl->InsertEntry(std::unique_ptr<SvxIconChoiceCtrlEntry>(pEntry), _pImpl->GetEntryCount());
104
105 return pEntry;
106}
107
108void SvtIconChoiceCtrl::RemoveEntry(sal_Int32 nIndex)
109{
110 _pImpl->RemoveEntry(nIndex);
111}
112
113void SvtIconChoiceCtrl::DrawEntryImage( SvxIconChoiceCtrlEntry const * pEntry, const Point& rPos, OutputDevice& rDev )
114{
115 rDev.DrawImage( rPos, pEntry->GetImage() );
116}
117
118OUString SvtIconChoiceCtrl::GetEntryText( SvxIconChoiceCtrlEntry const * pEntry )
119{
120 return pEntry->GetText();
121}
122
123void SvtIconChoiceCtrl::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
124{
125 _pImpl->Paint(rRenderContext, rRect);
126}
127
128void SvtIconChoiceCtrl::MouseButtonDown( const MouseEvent& rMEvt )
129{
130 if( !_pImpl->MouseButtonDown( rMEvt ) )
131 Control::MouseButtonDown( rMEvt );
132}
133
134void SvtIconChoiceCtrl::MouseButtonUp( const MouseEvent& rMEvt )
135{
136 if( !_pImpl->MouseButtonUp( rMEvt ) )
137 Control::MouseButtonUp( rMEvt );
138}
139
140void SvtIconChoiceCtrl::MouseMove( const MouseEvent& rMEvt )
141{
142 if( !_pImpl->MouseMove( rMEvt ) )
143 Control::MouseMove( rMEvt );
144}
145void SvtIconChoiceCtrl::ArrangeIcons()
146{
147 if ( GetStyle() & WB_ALIGN_TOPWB_TOP )
148 {
149 Size aFullSize;
150 tools::Rectangle aEntryRect;
151
152 for ( sal_Int32 i = 0; i < GetEntryCount(); i++ )
153 {
154 SvxIconChoiceCtrlEntry* pEntry = GetEntry ( i );
155 aEntryRect = _pImpl->GetEntryBoundRect ( pEntry );
156
157 aFullSize.setWidth ( aFullSize.getWidth()+aEntryRect.GetWidth() );
158 }
159
160 _pImpl->Arrange ( false, aFullSize.getWidth(), 0 );
161 }
162 else if ( GetStyle() & WB_ALIGN_LEFTWB_LEFT )
163 {
164 Size aFullSize;
165 tools::Rectangle aEntryRect;
166
167 for ( sal_Int32 i = 0; i < GetEntryCount(); i++ )
168 {
169 SvxIconChoiceCtrlEntry* pEntry = GetEntry ( i );
170 aEntryRect = _pImpl->GetEntryBoundRect ( pEntry );
171
172 aFullSize.setHeight ( aFullSize.getHeight()+aEntryRect.GetHeight() );
173 }
174
175 _pImpl->Arrange ( false, 0, aFullSize.getHeight() );
176 }
177 else
178 {
179 _pImpl->Arrange(false, 0, 0);
180 }
181 _pImpl->Arrange( false, 0, 1000 );
182}
183void SvtIconChoiceCtrl::Resize()
184{
185 _pImpl->Resize();
186 Control::Resize();
187}
188
189void SvtIconChoiceCtrl::GetFocus()
190{
191 _pImpl->GetFocus();
192 Control::GetFocus();
193 SvxIconChoiceCtrlEntry* pSelectedEntry = GetSelectedEntry();
194 if ( pSelectedEntry )
195 _pImpl->CallEventListeners( VclEventId::ListboxSelect, pSelectedEntry );
196}
197
198void SvtIconChoiceCtrl::LoseFocus()
199{
200 if (_pImpl)
201 _pImpl->LoseFocus();
202 Control::LoseFocus();
203}
204
205void SvtIconChoiceCtrl::SetFont(const vcl::Font& rFont)
206{
207 if (rFont != GetFont())
208 {
209 Control::SetFont(rFont);
210 _pImpl->FontModified();
211 }
212}
213
214void SvtIconChoiceCtrl::SetPointFont(const vcl::Font& rFont)
215{
216 if (rFont != GetPointFont(*this)) //FIXME
217 {
218 Control::SetPointFont(*this, rFont); //FIXME
219 _pImpl->FontModified();
220 }
221}
222
223WinBits SvtIconChoiceCtrl::GetStyle() const
224{
225 return _pImpl->GetStyle();
226}
227
228void SvtIconChoiceCtrl::Command(const CommandEvent& rCEvt)
229{
230 _pImpl->Command( rCEvt );
231 //pass at least alt press/release to parent impl
232 if (rCEvt.GetCommand() == CommandEventId::ModKeyChange)
233 Control::Command(rCEvt);
234}
235
236#ifdef DBG_UTIL
237void SvtIconChoiceCtrl::SetEntryTextMode( SvxIconChoiceCtrlTextMode eMode, SvxIconChoiceCtrlEntry* pEntry )
238{
239 _pImpl->SetEntryTextMode( eMode, pEntry );
240}
241#endif
242
243sal_Int32 SvtIconChoiceCtrl::GetEntryCount() const
244{
245 return _pImpl ? _pImpl->GetEntryCount() : 0;
246}
247
248SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetEntry( sal_Int32 nPos ) const
249{
250 return _pImpl ? _pImpl->GetEntry( nPos ) : nullptr;
251}
252
253SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetSelectedEntry() const
254{
255 return _pImpl ? _pImpl->GetFirstSelectedEntry() : nullptr;
256}
257
258void SvtIconChoiceCtrl::ClickIcon()
259{
260 GetSelectedEntry();
261 _aClickIconHdl.Call( this );
262}
263
264void SvtIconChoiceCtrl::KeyInput( const KeyEvent& rKEvt )
265{
266 bool bKeyUsed = DoKeyInput( rKEvt );
267 if ( !bKeyUsed )
268 {
269 Control::KeyInput( rKEvt );
270 }
271}
272bool SvtIconChoiceCtrl::DoKeyInput( const KeyEvent& rKEvt )
273{
274 return _pImpl->KeyInput( rKEvt );
275}
276sal_Int32 SvtIconChoiceCtrl::GetEntryListPos( SvxIconChoiceCtrlEntry const * pEntry ) const
277{
278 return _pImpl->GetEntryListPos( pEntry );
279}
280SvxIconChoiceCtrlEntry* SvtIconChoiceCtrl::GetCursor( ) const
281{
282 return _pImpl->GetCurEntry( );
283}
284void SvtIconChoiceCtrl::SetCursor( SvxIconChoiceCtrlEntry* pEntry )
285{
286 _pImpl->SetCursor( pEntry );
287}
288
289void SvtIconChoiceCtrl::DataChanged( const DataChangedEvent& rDCEvt )
290{
291 if ( ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) ||
292 (rDCEvt.GetType() == DataChangedEventType::FONTSUBSTITUTION) ||
293 (rDCEvt.GetType() == DataChangedEventType::FONTS) ) &&
294 (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
295 {
296 _pImpl->InitSettings();
297 Invalidate(InvalidateFlags::NoChildren);
298 }
299 else
300 Control::DataChanged( rDCEvt );
301}
302
303void SvtIconChoiceCtrl::SetBackground( const Wallpaper& rPaper )
304{
305 if( rPaper == GetBackground() )
306 return;
307
308 const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
309 // if it is the default (empty) wallpaper
310 if (rPaper.IsEmpty())
311 {
312 Control::SetBackground( rStyleSettings.GetFieldColor() );
313 }
314 else
315 {
316 Wallpaper aBackground( rPaper );
317 // HACK, as background might be transparent!
318 if( !aBackground.IsBitmap() )
319 aBackground.SetStyle( WallpaperStyle::Tile );
320
321 WallpaperStyle eStyle = aBackground.GetStyle();
322 Color aBack( aBackground.GetColor());
323 if( aBack == COL_TRANSPARENT &&
324 (!aBackground.IsBitmap() ||
325 aBackground.GetBitmap().IsTransparent() ||
326 (eStyle != WallpaperStyle::Tile && eStyle != WallpaperStyle::Scale)) )
327 {
328 aBackground.SetColor( rStyleSettings.GetFieldColor() );
329 }
330 if( aBackground.IsScrollable() )
331 {
332 tools::Rectangle aRect;
333 aRect.SetSize( Size(32765, 32765) );
334 aBackground.SetRect( aRect );
335 }
336 else
337 {
338 tools::Rectangle aRect( _pImpl->GetOutputRect() );
339 aBackground.SetRect( aRect );
340 }
341 Control::SetBackground( aBackground );
342 }
343
344 // If text colors are attributed "hard," don't use automatism to select
345 // a readable text color.
346 vcl::Font aFont( GetFont() );
347 aFont.SetColor( rStyleSettings.GetFieldTextColor() );
348 SetFont( aFont );
349
350 Invalidate(InvalidateFlags::NoChildren);
351}
352
353void SvtIconChoiceCtrl::RequestHelp( const HelpEvent& rHEvt )
354{
355 if ( !_pImpl->RequestHelp( rHEvt ) )
356 Control::RequestHelp( rHEvt );
357}
358
359tools::Rectangle SvtIconChoiceCtrl::GetBoundingBox( SvxIconChoiceCtrlEntry* pEntry ) const
360{
361 return _pImpl->GetEntryBoundRect( pEntry );
362}
363
364void SvtIconChoiceCtrl::FillLayoutData() const
365{
366 CreateLayoutData();
367 const_cast<SvtIconChoiceCtrl*>(this)->Invalidate();
368}
369
370tools::Rectangle SvtIconChoiceCtrl::GetEntryCharacterBounds( const sal_Int32 _nEntryPos, const sal_Int32 _nCharacterIndex ) const
371{
372 tools::Rectangle aRect;
373
374 Pair aEntryCharacterRange = GetLineStartEnd( _nEntryPos );
375 if ( aEntryCharacterRange.A() + _nCharacterIndex < aEntryCharacterRange.B() )
376 {
377 aRect = GetCharacterBounds( aEntryCharacterRange.A() + _nCharacterIndex );
378 }
379
380 return aRect;
381}
382
383void SvtIconChoiceCtrl::SetNoSelection()
384{
385 _pImpl->SetNoSelection();
386}
387
388void SvtIconChoiceCtrl::CallImplEventListeners(VclEventId nEvent, void* pData)
389{
390 CallEventListeners(nEvent, pData);
391}
392css::uno::Reference< XAccessible > SvtIconChoiceCtrl::CreateAccessible()
393{
394 vcl::Window* pParent = GetAccessibleParentWindow();
395 DBG_ASSERT( pParent, "SvTreeListBox::CreateAccessible - accessible parent not found" )do { if (true && (!(pParent))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/vcl/source/control/ivctrl.cxx"
":" "395" ": "), "%s", "SvTreeListBox::CreateAccessible - accessible parent not found"
); } } while (false);
396
397 css::uno::Reference< XAccessible > xAccessible;
398 if ( pParent )
399 {
400 css::uno::Reference< XAccessible > xAccParent = pParent->GetAccessible();
401 if ( xAccParent.is() )
402 {
403 css::uno::Reference< css::awt::XWindowPeer > xHoldAlive(GetComponentInterface());
404 xAccessible = _pImpl->GetAccessibleFactory().createAccessibleIconChoiceCtrl( *this, xAccParent );
405 }
406 }
407 return xAccessible;
408}
409
410struct VerticalTabPageData
411{
412 OString sId;
413 SvxIconChoiceCtrlEntry* pEntry;
414 VclPtr<vcl::Window> xPage; ///< the TabPage itself
415};
416
417VerticalTabControl::VerticalTabControl(vcl::Window* pParent)
418 : VclHBox(pParent)
419 , m_xChooser(VclPtr<SvtIconChoiceCtrl>::Create(this, WB_3DLOOK | WB_ICONWB_RECTSTYLE | WB_BORDER |
420 WB_NOCOLUMNHEADERWB_CENTER | WB_HIGHLIGHTFRAMEWB_IGNORETAB |
421 WB_NODRAGSELECTIONWB_PATHELLIPSIS | WB_TABSTOP | WB_CLIPCHILDREN |
422 WB_ALIGN_LEFTWB_LEFT | WB_NOHSCROLLWB_SPIN))
423 , m_xBox(VclPtr<VclVBox>::Create(this))
424{
425 SetType(WindowType::VERTICALTABCONTROL);
426 m_xChooser->SetClickHdl(LINK(this, VerticalTabControl, ChosePageHdl_Impl)::tools::detail::makeLink( ::tools::detail::castTo<VerticalTabControl
*>(this), &VerticalTabControl::LinkStubChosePageHdl_Impl
));
427 m_xChooser->set_width_request(110);
428 m_xChooser->set_height_request(400);
429 m_xChooser->SetSizePixel(Size(110, 400));
430 m_xBox->set_vexpand(true);
431 m_xBox->set_hexpand(true);
432 m_xBox->set_expand(true);
433 m_xBox->Show();
434 m_xChooser->Show();
435}
436
437VerticalTabControl::~VerticalTabControl()
438{
439 disposeOnce();
440}
441
442void VerticalTabControl::dispose()
443{
444 m_xChooser.disposeAndClear();
445 m_xBox.disposeAndClear();
1
Calling 'VclPtr::disposeAndClear'
→
446 VclHBox::dispose();
447}
448
449IMPL_LINK_NOARG(VerticalTabControl, ChosePageHdl_Impl, SvtIconChoiceCtrl*, void)void VerticalTabControl::LinkStubChosePageHdl_Impl(void * instance
, SvtIconChoiceCtrl* data) { return static_cast<VerticalTabControl
*>(instance)->ChosePageHdl_Impl(data); } void VerticalTabControl
::ChosePageHdl_Impl(__attribute__ ((unused)) SvtIconChoiceCtrl
*)
450{
451 SvxIconChoiceCtrlEntry *pEntry = m_xChooser->GetSelectedEntry();
452 if (!pEntry)
453 pEntry = m_xChooser->GetCursor();
454
455 VerticalTabPageData* pData = GetPageData(pEntry);
456
457 if (pData->sId != m_sCurrentPageId)
458 SetCurPageId(pData->sId);
459}
460
461void VerticalTabControl::ActivatePage()
462{
463 m_aActivateHdl.Call( this );
464}
465
466bool VerticalTabControl::DeactivatePage()
467{
468 return !m_aDeactivateHdl.IsSet() || m_aDeactivateHdl.Call(this);
469}
470
471VerticalTabPageData* VerticalTabControl::GetPageData(const SvxIconChoiceCtrlEntry* pEntry) const
472{
473 VerticalTabPageData* pRet = nullptr;
474 for (auto & pData : maPageList)
475 {
476 if (pData->pEntry == pEntry)
477 {
478 pRet = pData.get();
479 break;
480 }
481 }
482 return pRet;
483}
484
485VerticalTabPageData* VerticalTabControl::GetPageData(const OString& rId) const
486{
487 VerticalTabPageData* pRet = nullptr;
488 for (auto & pData : maPageList)
489 {
490 if (pData->sId == rId)
491 {
492 pRet = pData.get();
493 break;
494 }
495 }
496 return pRet;
497}
498
499void VerticalTabControl::SetCurPageId(const OString& rId)
500{
501 OString sOldPageId = GetCurPageId();
502 if (sOldPageId == rId)
503 return;
504
505 VerticalTabPageData* pOldData = GetPageData(sOldPageId);
506 if (pOldData && pOldData->xPage)
507 {
508 if (!DeactivatePage())
509 return;
510 pOldData->xPage->Hide();
511 }
512
513 m_sCurrentPageId = "";
514
515 VerticalTabPageData* pNewData = GetPageData(rId);
516 if (pNewData && pNewData->xPage)
517 {
518 m_sCurrentPageId = rId;
519 m_xChooser->SetCursor(pNewData->pEntry);
520
521 ActivatePage();
522 pNewData->xPage->Show();
523 }
524}
525
526OString VerticalTabControl::GetPageId(sal_uInt16 nIndex) const
527{
528 return maPageList[nIndex]->sId;
529}
530
531void VerticalTabControl::InsertPage(const rtl::OString &rIdent, const rtl::OUString& rLabel, const Image& rImage,
532 const rtl::OUString& rTooltip, VclPtr<vcl::Window> xPage, int nPos)
533{
534 SvxIconChoiceCtrlEntry* pEntry = m_xChooser->InsertEntry(rLabel, rImage);
535 pEntry->SetQuickHelpText(rTooltip);
536 m_xChooser->ArrangeIcons();
537 VerticalTabPageData* pNew;
538 if (nPos == -1)
539 {
540 maPageList.emplace_back(new VerticalTabPageData);
541 pNew = maPageList.back().get();
542 }
543 else
544 {
545 maPageList.emplace(maPageList.begin() + nPos, new VerticalTabPageData);
546 pNew = maPageList[nPos].get();
547 }
548 pNew->sId = rIdent;
549 pNew->pEntry = pEntry;
550 pNew->xPage = xPage;
551 Size aOrigPrefSize(m_xBox->get_preferred_size());
552 Size aPagePrefSize(xPage->get_preferred_size());
553 m_xBox->set_width_request(std::max(aOrigPrefSize.Width(), aPagePrefSize.Width()));
554 m_xBox->set_height_request(std::max(aOrigPrefSize.Height(), aPagePrefSize.Height()));
555 pNew->xPage->Hide();
556}
557
558void VerticalTabControl::RemovePage(const rtl::OString &rPageId)
559{
560 for (auto it = maPageList.begin(), end = maPageList.end(); it != end; ++it)
561 {
562 VerticalTabPageData* pData = it->get();
563 if (pData->sId == rPageId)
564 {
565 sal_Int32 nEntryListPos = m_xChooser->GetEntryListPos(pData->pEntry);
566 m_xChooser->RemoveEntry(nEntryListPos);
567 m_xChooser->ArrangeIcons();
568 maPageList.erase(it);
569 break;
570 }
571 }
572}
573
574sal_uInt16 VerticalTabControl::GetPagePos(const OString& rPageId) const
575{
576 VerticalTabPageData* pData = GetPageData(rPageId);
577 if (!pData)
578 return TAB_PAGE_NOTFOUND(sal_uInt16(0xFFFF));
579 return m_xChooser->GetEntryListPos(pData->pEntry);
580}
581
582VclPtr<vcl::Window> VerticalTabControl::GetPage(const OString& rPageId)
583{
584 VerticalTabPageData* pData = GetPageData(rPageId);
585 if (!pData)
586 return nullptr;
587 return pData->xPage;
588}
589
590OUString VerticalTabControl::GetPageText(const OString& rPageId) const
591{
592 VerticalTabPageData* pData = GetPageData(rPageId);
593 if (!pData)
594 return OUString();
595 return pData->pEntry->GetText();
596}
597
598void VerticalTabControl::SetPageText(const OString& rPageId, const OUString& rText)
599{
600 VerticalTabPageData* pData = GetPageData(rPageId);
601 if (!pData)
602 return;
603 pData->pEntry->SetText(rText);
604}
605
606FactoryFunction VerticalTabControl::GetUITestFactory() const
607{
608 return VerticalTabControlUIObject::create;
609}
610
611/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

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

→
1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#ifndef INCLUDED_VCL_PTR_HXX
21#define INCLUDED_VCL_PTR_HXX
22
23#include <sal/config.h>
24
25#include <rtl/ref.hxx>
26
27#include <utility>
28#include <type_traits>
29
30#ifdef DBG_UTIL
31#ifndef _WIN32
32#include <vcl/vclmain.hxx>
33#endif
34#endif
35
36class VclReferenceBase;
37
38namespace vcl::detail {
39
40template<typename>
41constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; }
42
43template<typename T> constexpr bool isIncompleteOrDerivedFromVclReferenceBase(
44 int (*)[sizeof(T)])
45{ return std::is_base_of<VclReferenceBase, T>::value; }
46
47} // namespace vcl::detail
48
49/**
50 * A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses.
51 *
52 * For more details on the design please see vcl/README.lifecycle
53 *
54 * @param reference_type must be a subclass of vcl::Window
55 */
56template <class reference_type>
57class VclPtr
58{
59 static_assert(
60 vcl::detail::isIncompleteOrDerivedFromVclReferenceBase<reference_type>(
61 nullptr),
62 "template argument type must be derived from VclReferenceBase");
63
64 ::rtl::Reference<reference_type> m_rInnerRef;
65
66public:
67 /** Constructor...
68 */
69 VclPtr()
70 : m_rInnerRef()
71 {}
72
73 /** Constructor...
74 */
75 VclPtr (reference_type * pBody)
76 : m_rInnerRef(pBody)
77 {}
78
79 /** Constructor... that doesn't take a ref.
80 */
81 VclPtr (reference_type * pBody, __sal_NoAcquire)
82 : m_rInnerRef(pBody, SAL_NO_ACQUIRE)
83 {}
84
85 /** Up-casting conversion constructor: Copies interface reference.
86
87 Does not work for up-casts to ambiguous bases. For the special case of
88 up-casting to Reference< XInterface >, see the corresponding conversion
89 operator.
90
91 @param rRef another reference
92 */
93 template< class derived_type >
94 VclPtr(
95 const VclPtr< derived_type > & rRef,
96 typename std::enable_if<
97 std::is_base_of<reference_type, derived_type>::value, int>::type
98 = 0 )
99 : m_rInnerRef( static_cast<reference_type*>(rRef) )
100 {
101 }
102
103#if defined(DBG_UTIL) && !defined(_WIN32)
104 virtual ~VclPtr()
105 {
106 assert(m_rInnerRef.get() == nullptr || vclmain::isAlive())(static_cast <bool> (m_rInnerRef.get() == nullptr || vclmain
::isAlive()) ? void (0) : __assert_fail ("m_rInnerRef.get() == nullptr || vclmain::isAlive()"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 106, __extension__ __PRETTY_FUNCTION__));
107 // We can be one of the intermediate counts, but if we are the last
108 // VclPtr keeping this object alive, then something forgot to call dispose().
109 assert((!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1)(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__))
110 && "someone forgot to call dispose()")(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef
->isDisposed() || m_rInnerRef->getRefCount() > 1) &&
"someone forgot to call dispose()") ? void (0) : __assert_fail
("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\""
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 110, __extension__ __PRETTY_FUNCTION__));
111 }
112 VclPtr(VclPtr const &) = default;
113 VclPtr(VclPtr &&) = default;
114 VclPtr & operator =(VclPtr const &) = default;
115 VclPtr & operator =(VclPtr &&) = default;
116#endif
117
118 /**
119 * A construction helper for VclPtr. Since VclPtr types are created
120 * with a reference-count of one - to help fit into the existing
121 * code-flow; this helps us to construct them easily.
122 *
123 * For more details on the design please see vcl/README.lifecycle
124 *
125 * @tparam reference_type must be a subclass of vcl::Window
126 */
127 template<typename... Arg> [[nodiscard]] static VclPtr< reference_type > Create(Arg &&... arg)
128 {
129 return VclPtr< reference_type >( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE );
130 }
131
132 /** Probably most common used: handle->someBodyOp().
133 */
134 reference_type * operator->() const
135 {
136 return m_rInnerRef.get();
137 }
138
139 /** Get the body. Can be used instead of operator->().
140 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
141 are the same.
142 */
143 reference_type * get() const
144 {
145 return m_rInnerRef.get();
146 }
147
148 void set(reference_type *pBody)
149 {
150 m_rInnerRef.set(pBody);
151 }
152
153 void reset(reference_type *pBody)
154 {
155 m_rInnerRef.set(pBody);
156 }
157
158 /** Up-casting copy assignment operator.
159
160 Does not work for up-casts to ambiguous bases.
161
162 @param rRef another reference
163 */
164 template<typename derived_type>
165 typename std::enable_if<
166 std::is_base_of<reference_type, derived_type>::value,
167 VclPtr &>::type
168 operator =(VclPtr<derived_type> const & rRef)
169 {
170 m_rInnerRef.set(rRef.get());
171 return *this;
172 }
173
174 VclPtr & operator =(reference_type * pBody)
175 {
176 m_rInnerRef.set(pBody);
177 return *this;
178 }
179
180 operator reference_type * () const
181 {
182 return m_rInnerRef.get();
183 }
184
185 explicit operator bool () const
186 {
187 return m_rInnerRef.get() != nullptr;
188 }
189
190 void clear()
191 {
192 m_rInnerRef.clear();
193 }
194
195 void reset()
196 {
197 m_rInnerRef.clear();
198 }
199
200 void disposeAndClear()
201 {
202 // hold it alive for the lifetime of this method
203 ::rtl::Reference<reference_type> aTmp(m_rInnerRef);
2
←
Calling copy constructor for 'Reference<VclVBox>'
→
5
←
Returning from copy constructor for 'Reference<VclVBox>'
→
204 m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
6
←
Calling 'Reference::clear'
→
13
←
Returning; memory was released
→
205 if (aTmp.get()) {
14
←
Calling 'Reference::get'
→
206 aTmp->disposeOnce();
207 }
208 }
209
210 /** Needed to place VclPtr's into STL collection.
211 */
212 bool operator< (const VclPtr<reference_type> & handle) const
213 {
214 return (m_rInnerRef < handle.m_rInnerRef);
215 }
216}; // class VclPtr
217
218template<typename T1, typename T2>
219inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
220 return p1.get() == p2.get();
221}
222
223template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2)
224{
225 return p1.get() == p2;
226}
227
228template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) {
229 return p1.get() == p2;
230}
231
232template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2)
233{
234 return p1 == p2.get();
235}
236
237template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) {
238 return p1 == p2.get();
239}
240
241template<typename T1, typename T2>
242inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
243 return !(p1 == p2);
244}
245
246template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2)
247{
248 return !(p1 == p2);
249}
250
251template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) {
252 return !(p1 == p2);
253}
254
255template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2)
256{
257 return !(p1 == p2);
258}
259
260template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) {
261 return !(p1 == p2);
262}
263
264/**
265 * A construction helper for a temporary VclPtr. Since VclPtr types
266 * are created with a reference-count of one - to help fit into
267 * the existing code-flow; this helps us to construct them easily.
268 * see also VclPtr::Create and ScopedVclPtr
269 *
270 * For more details on the design please see vcl/README.lifecycle
271 *
272 * @param reference_type must be a subclass of vcl::Window
273 */
274template <class reference_type>
275class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type>
276{
277public:
278 template<typename... Arg> VclPtrInstance(Arg &&... arg)
279 : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
280 {
281 }
282
283 /**
284 * Override and disallow this, to prevent people accidentally calling it and actually
285 * getting VclPtr::Create and getting a naked VclPtr<> instance
286 */
287 template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete;
288};
289
290template <class reference_type>
291class ScopedVclPtr : public VclPtr<reference_type>
292{
293public:
294 /** Constructor...
295 */
296 ScopedVclPtr()
297 : VclPtr<reference_type>()
298 {}
299
300 /** Constructor
301 */
302 ScopedVclPtr (reference_type * pBody)
303 : VclPtr<reference_type>(pBody)
304 {}
305
306 /** Copy constructor...
307 */
308 ScopedVclPtr (const VclPtr<reference_type> & handle)
309 : VclPtr<reference_type>(handle)
310 {}
311
312 /**
313 Assignment that releases the last reference.
314 */
315 void disposeAndReset(reference_type *pBody)
316 {
317 if (pBody != this->get()) {
318 VclPtr<reference_type>::disposeAndClear();
319 VclPtr<reference_type>::set(pBody);
320 }
321 }
322
323 /**
324 Assignment that releases the last reference.
325 */
326 ScopedVclPtr<reference_type>& operator = (reference_type * pBody)
327 {
328 disposeAndReset(pBody);
329 return *this;
330 }
331
332 /** Up-casting conversion constructor: Copies interface reference.
333
334 Does not work for up-casts to ambiguous bases. For the special case of
335 up-casting to Reference< XInterface >, see the corresponding conversion
336 operator.
337
338 @param rRef another reference
339 */
340 template< class derived_type >
341 ScopedVclPtr(
342 const VclPtr< derived_type > & rRef,
343 typename std::enable_if<
344 std::is_base_of<reference_type, derived_type>::value, int>::type
345 = 0 )
346 : VclPtr<reference_type>( rRef )
347 {
348 }
349
350 /** Up-casting assignment operator.
351
352 Does not work for up-casts to ambiguous bases.
353
354 @param rRef another VclPtr
355 */
356 template<typename derived_type>
357 typename std::enable_if<
358 std::is_base_of<reference_type, derived_type>::value,
359 ScopedVclPtr &>::type
360 operator =(VclPtr<derived_type> const & rRef)
361 {
362 disposeAndReset(rRef.get());
363 return *this;
364 }
365
366 /**
367 * Override and disallow this, to prevent people accidentally calling it and actually
368 * getting VclPtr::Create and getting a naked VclPtr<> instance
369 */
370 template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete;
371
372 ~ScopedVclPtr()
373 {
374 VclPtr<reference_type>::disposeAndClear();
375 assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get(
) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr"
, "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx"
, 375, __extension__ __PRETTY_FUNCTION__)); // make sure there are no lingering references
376 }
377
378private:
379 // Most likely we don't want this default copy-constructor.
380 ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete;
381 // And certainly we don't want a default assignment operator.
382 ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete;
383 // And disallow reset as that doesn't call disposeAndClear on the original reference
384 void reset() = delete;
385 void reset(reference_type *pBody) = delete;
386
387protected:
388 ScopedVclPtr (reference_type * pBody, __sal_NoAcquire)
389 : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE)
390 {}
391};
392
393/**
394 * A construction helper for ScopedVclPtr. Since VclPtr types are created
395 * with a reference-count of one - to help fit into the existing
396 * code-flow; this helps us to construct them easily.
397 *
398 * For more details on the design please see vcl/README.lifecycle
399 *
400 * @param reference_type must be a subclass of vcl::Window
401 */
402#if defined _MSC_VER
403#pragma warning(push)
404#pragma warning(disable: 4521) // " multiple copy constructors specified"
405#endif
406template <class reference_type>
407class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type>
408{
409public:
410 template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg)
411 : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
412 {
413 }
414
415 /**
416 * Override and disallow this, to prevent people accidentally calling it and actually
417 * getting VclPtr::Create and getting a naked VclPtr<> instance
418 */
419 template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete;
420
421private:
422 // Prevent the above perfect forwarding ctor from hijacking (accidental)
423 // attempts at ScopedVclPtrInstance copy construction (where the hijacking
424 // would typically lead to somewhat obscure error messages); both non-const
425 // and const variants are needed here, as the ScopedVclPtr base class has a
426 // const--variant copy ctor, so the implicitly declared copy ctor for
427 // ScopedVclPtrInstance would also be the const variant, so non-const copy
428 // construction attempts would be hijacked by the perfect forwarding ctor;
429 // but if we only declared a non-const variant here, the const variant would
430 // no longer be implicitly declared (as there would already be an explicitly
431 // declared copy ctor), so const copy construction attempts would then be
432 // hijacked by the perfect forwarding ctor:
433 ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete;
434 ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete;
435};
436#if defined _MSC_VER
437#pragma warning(pop)
438#endif
439
440#endif // INCLUDED_VCL_PTR_HXX
441
442/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

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

→
1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#ifndef INCLUDED_RTL_REF_HXX
21#define INCLUDED_RTL_REF_HXX
22
23#include "sal/config.h"
24
25#include <cassert>
26#include <cstddef>
27#include <functional>
28#ifdef LIBO_INTERNAL_ONLY1
29#include <type_traits>
30#endif
31
32#include "sal/types.h"
33
34namespace rtl
35{
36
37/** Template reference class for reference type.
38*/
39template <class reference_type>
40class Reference
41{
42 /** The <b>reference_type</b> body pointer.
43 */
44 reference_type * m_pBody;
45
46
47public:
48 /** Constructor...
49 */
50 Reference()
51 : m_pBody (NULL__null)
52 {}
53
54
55 /** Constructor...
56 */
57 Reference (reference_type * pBody, __sal_NoAcquire)
58 : m_pBody (pBody)
59 {
60 }
61
62 /** Constructor...
63 */
64 Reference (reference_type * pBody)
65 : m_pBody (pBody)
66 {
67 if (m_pBody)
68 m_pBody->acquire();
69 }
70
71 /** Copy constructor...
72 */
73 Reference (const Reference<reference_type> & handle)
74 : m_pBody (handle.m_pBody)
75 {
76 if (m_pBody)
3
←
Assuming field 'm_pBody' is non-null
→
4
←
Taking true branch
→
77 m_pBody->acquire();
78 }
79
80#ifdef LIBO_INTERNAL_ONLY1
81 /** Move constructor...
82 */
83 Reference (Reference<reference_type> && handle) noexcept
84 : m_pBody (handle.m_pBody)
85 {
86 handle.m_pBody = nullptr;
87 }
88#endif
89
90#if defined LIBO_INTERNAL_ONLY1
91 /** Up-casting conversion constructor: Copies interface reference.
92
93 Does not work for up-casts to ambiguous bases.
94
95 @param rRef another reference
96 */
97 template< class derived_type >
98 inline Reference(
99 const Reference< derived_type > & rRef,
100 std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 )
101 : m_pBody (rRef.get())
102 {
103 if (m_pBody)
104 m_pBody->acquire();
105 }
106#endif
107
108 /** Destructor...
109 */
110 ~Reference() COVERITY_NOEXCEPT_FALSE
111 {
112 if (m_pBody)
113 m_pBody->release();
114 }
115
116 /** Set...
117 Similar to assignment.
118 */
119 Reference<reference_type> &
120 SAL_CALL set (reference_type * pBody)
121 {
122 if (pBody)
123 pBody->acquire();
124 reference_type * const pOld = m_pBody;
125 m_pBody = pBody;
126 if (pOld)
127 pOld->release();
128 return *this;
129 }
130
131 /** Assignment.
132 Unbinds this instance from its body (if bound) and
133 bind it to the body represented by the handle.
134 */
135 Reference<reference_type> &
136 SAL_CALL operator= (const Reference<reference_type> & handle)
137 {
138 return set( handle.m_pBody );
139 }
140
141#ifdef LIBO_INTERNAL_ONLY1
142 /** Assignment.
143 * Unbinds this instance from its body (if bound),
144 * bind it to the body represented by the handle, and
145 * set the body represented by the handle to nullptr.
146 */
147 Reference<reference_type> &
148 operator= (Reference<reference_type> && handle)
149 {
150 // self-movement guts ourself
151 if (m_pBody)
152 m_pBody->release();
153 m_pBody = handle.m_pBody;
154 handle.m_pBody = nullptr;
155 return *this;
156 }
157#endif
158
159 /** Assignment...
160 */
161 Reference<reference_type> &
162 SAL_CALL operator= (reference_type * pBody)
163 {
164 return set( pBody );
165 }
166
167 /** Unbind the body from this handle.
168 Note that for a handle representing a large body,
169 "handle.clear().set(new body());" _might_
170 perform a little bit better than "handle.set(new body());",
171 since in the second case two large objects exist in memory
172 (the old body and the new body).
173 */
174 Reference<reference_type> & SAL_CALL clear()
175 {
176 if (m_pBody
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
6.1
Field 'm_pBody' is non-null
)
7
←
Taking true branch
→
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
8
←
Calling 'VclReferenceBase::release'
→
12
←
Returning; memory was released
→
181 }
182 return *this;
183 }
184
185
186 /** Get the body. Can be used instead of operator->().
187 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
188 are the same.
189 */
190 reference_type * SAL_CALL get() const
191 {
192 return m_pBody;
15
←
Use of memory after it is freed
193 }
194
195
196 /** Probably most common used: handle->someBodyOp().
197 */
198 reference_type * SAL_CALL operator->() const
199 {
200 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 200, __extension__ __PRETTY_FUNCTION__));
201 return m_pBody;
202 }
203
204
205 /** Allows (*handle).someBodyOp().
206 */
207 reference_type & SAL_CALL operator*() const
208 {
209 assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail
("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx"
, 209, __extension__ __PRETTY_FUNCTION__));
210 return *m_pBody;
211 }
212
213
214 /** Returns True if the handle does point to a valid body.
215 */
216 bool SAL_CALL is() const
217 {
218 return (m_pBody != NULL__null);
219 }
220
221#if defined LIBO_INTERNAL_ONLY1
222 /** Returns True if the handle does point to a valid body.
223 */
224 explicit operator bool() const
225 {
226 return is();
227 }
228#endif
229
230 /** Returns True if this points to pBody.
231 */
232 bool SAL_CALL operator== (const reference_type * pBody) const
233 {
234 return (m_pBody == pBody);
235 }
236
237
238 /** Returns True if handle points to the same body.
239 */
240 bool
241 SAL_CALL operator== (const Reference<reference_type> & handle) const
242 {
243 return (m_pBody == handle.m_pBody);
244 }
245
246
247 /** Needed to place References into STL collection.
248 */
249 bool
250 SAL_CALL operator!= (const Reference<reference_type> & handle) const
251 {
252 return (m_pBody != handle.m_pBody);
253 }
254
255
256 /** Needed to place References into STL collection.
257 */
258 bool
259 SAL_CALL operator< (const Reference<reference_type> & handle) const
260 {
261 return (m_pBody < handle.m_pBody);
262 }
263
264
265 /** Needed to place References into STL collection.
266 */
267 bool
268 SAL_CALL operator> (const Reference<reference_type> & handle) const
269 {
270 return (m_pBody > handle.m_pBody);
271 }
272};
273
274} // namespace rtl
275
276#if defined LIBO_INTERNAL_ONLY1
277namespace std
278{
279
280/// @cond INTERNAL
281/**
282 Make rtl::Reference hashable by default for use in STL containers.
283
284 @since LibreOffice 6.3
285*/
286template<typename T>
287struct hash<::rtl::Reference<T>>
288{
289 std::size_t operator()(::rtl::Reference<T> const & s) const
290 { return std::size_t(s.get()); }
291};
292/// @endcond
293
294}
295
296#endif
297
298#endif /* ! INCLUDED_RTL_REF_HXX */
299
300/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

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

1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19#ifndef INCLUDED_VCL_Reference_HXX
20#define INCLUDED_VCL_Reference_HXX
21
22#include <vcl/dllapi.h>
23#include <osl/interlck.h>
24
25class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase
26{
27 mutable oslInterlockedCount mnRefCnt;
28
29 template<typename T> friend class VclPtr;
30
31public:
32 void acquire() const
33 {
34 osl_atomic_increment(&mnRefCnt)__sync_add_and_fetch((&mnRefCnt), 1);
35 }
36
37 void release() const
38 {
39 if (osl_atomic_decrement(&mnRefCnt)__sync_sub_and_fetch((&mnRefCnt), 1) == 0)
9
←
Assuming the condition is true
→
10
←
Taking true branch
→
40 delete this;
11
←
Memory is released
→
41 }
42#ifdef DBG_UTIL
43#ifndef _WIN32
44 sal_Int32 getRefCount() const { return mnRefCnt; }
45#endif
46#endif
47
48
49private:
50 VclReferenceBase(const VclReferenceBase&) = delete;
51 VclReferenceBase& operator=(const VclReferenceBase&) = delete;
52
53 bool mbDisposed : 1;
54
55protected:
56 VclReferenceBase();
57protected:
58 virtual ~VclReferenceBase();
59
60protected:
61 virtual void dispose();
62
63public:
64 void disposeOnce();
65 bool isDisposed() const { return mbDisposed; }
66
67};
68#endif