Bug Summary

File:home/maarten/src/libreoffice/core/include/rtl/ref.hxx
Warning:line 77, column 13
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 JoinTableView.cxx -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/11.0.0 -D BOOST_ERROR_CODE_HEADER_ONLY -D BOOST_SYSTEM_NO_DEPRECATED -D CPPU_ENV=gcc3 -D LINUX -D OSL_DEBUG_LEVEL=1 -D SAL_LOG_INFO -D SAL_LOG_WARN -D UNIX -D UNX -D X86_64 -D _PTHREADS -D _REENTRANT -D DBACCESS_DLLIMPLEMENTATION -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/external/unixODBC/inc -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/dbaccess/inc -I /home/maarten/src/libreoffice/core/dbaccess/source/inc -I /home/maarten/src/libreoffice/core/dbaccess/source/ui/inc -I /home/maarten/src/libreoffice/core/workdir/YaccTarget/connectivity/source/parse -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/dbaccess/source/ui/querydesign/JoinTableView.cxx

/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/JoinTableView.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 <JoinTableView.hxx>
21#include <osl/diagnose.h>
22#include <JoinController.hxx>
23#include <JoinDesignView.hxx>
24#include <TableWindow.hxx>
25#include <TableWindowListBox.hxx>
26#include <TableConnection.hxx>
27#include <TableConnectionData.hxx>
28#include <ConnectionLine.hxx>
29#include <ConnectionLineData.hxx>
30#include <browserids.hxx>
31#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
32#include <com/sun/star/sdbc/SQLException.hpp>
33#include "QueryMoveTabWinUndoAct.hxx"
34#include "QuerySizeTabWinUndoAct.hxx"
35#include <toolkit/helper/vclunohelper.hxx>
36#include <vcl/menu.hxx>
37#include <vcl/svapp.hxx>
38#include <vcl/settings.hxx>
39#include <vcl/commandevent.hxx>
40#include <vcl/event.hxx>
41#include <vcl/ptrstyle.hxx>
42#include <vcl/builder.hxx>
43#include <TableWindowData.hxx>
44#include <JAccess.hxx>
45#include <com/sun/star/accessibility/XAccessible.hpp>
46#include <com/sun/star/accessibility/AccessibleRole.hpp>
47#include <com/sun/star/accessibility/AccessibleEventId.hpp>
48#include <cppuhelper/exc_hlp.hxx>
49#include <connectivity/dbtools.hxx>
50#include <tools/diagnose_ex.h>
51#include <algorithm>
52#include <functional>
53
54using namespace dbaui;
55using namespace ::com::sun::star::uno;
56using namespace ::com::sun::star::sdbc;
57using namespace ::com::sun::star::accessibility;
58using namespace ::com::sun::star::container;
59using namespace ::com::sun::star::lang;
60
61#define LINE_SIZE50 50
62// Constants for the window layout
63#define TABWIN_SPACING_X17 17
64#define TABWIN_SPACING_Y17 17
65
66#define TABWIN_WIDTH_STD120 120
67#define TABWIN_HEIGHT_STD120 120
68
69OScrollWindowHelper::OScrollWindowHelper( vcl::Window* pParent) : Window( pParent)
70 ,m_aHScrollBar( VclPtr<ScrollBar>::Create(this, WB_HSCROLL|WB_REPEAT|WB_DRAG) )
71 ,m_aVScrollBar( VclPtr<ScrollBar>::Create(this, WB_VSCROLL|WB_REPEAT|WB_DRAG) )
72 ,m_pCornerWindow(VclPtr<ScrollBarBox>::Create(this, WB_3DLOOK))
73 ,m_pTableView(nullptr)
74{
75
76 // ScrollBars
77
78 GetHScrollBar().SetRange( Range(0, 1000) );
79 GetVScrollBar().SetRange( Range(0, 1000) );
80
81 GetHScrollBar().SetLineSize( LINE_SIZE50 );
82 GetVScrollBar().SetLineSize( LINE_SIZE50 );
83
84 GetHScrollBar().Show();
85 GetVScrollBar().Show();
86 m_pCornerWindow->Show();
87
88 // normally we should be SCROLL_PANE
89 SetAccessibleRole(AccessibleRole::SCROLL_PANE);
90}
91
92OScrollWindowHelper::~OScrollWindowHelper()
93{
94 disposeOnce();
95}
96
97void OScrollWindowHelper::dispose()
98{
99 m_aHScrollBar.disposeAndClear();
100 m_aVScrollBar.disposeAndClear();
101 m_pCornerWindow.disposeAndClear();
102 m_pTableView.clear();
103 vcl::Window::dispose();
104}
105
106void OScrollWindowHelper::setTableView(OJoinTableView* _pTableView)
107{
108 m_pTableView = _pTableView;
1
Calling 'VclPtr::operator='
8
Returning from 'VclPtr::operator='
109 // ScrollBars
110 GetHScrollBar().SetScrollHdl( LINK(m_pTableView, OJoinTableView, ScrollHdl)::tools::detail::makeLink( ::tools::detail::castTo<OJoinTableView
*>(m_pTableView), &OJoinTableView::LinkStubScrollHdl)
);
9
Calling implicit destructor for 'VclPtr<dbaui::OJoinTableView>'
10
Calling '~Reference'
17
Returning from '~Reference'
18
Returning from destructor for 'VclPtr<dbaui::OJoinTableView>'
111 GetVScrollBar().SetScrollHdl( LINK(m_pTableView, OJoinTableView, ScrollHdl)::tools::detail::makeLink( ::tools::detail::castTo<OJoinTableView
*>(m_pTableView), &OJoinTableView::LinkStubScrollHdl)
);
19
Calling implicit copy constructor for 'VclPtr<dbaui::OJoinTableView>'
20
Calling copy constructor for 'Reference<dbaui::OJoinTableView>'
112}
113
114void OScrollWindowHelper::resetRange(const Point& _aSize)
115{
116 Point aPos = PixelToLogic(_aSize);
117 GetHScrollBar().SetRange( Range(0, aPos.X() + TABWIN_SPACING_X17) );
118 GetVScrollBar().SetRange( Range(0, aPos.Y() + TABWIN_SPACING_Y17) );
119}
120
121void OScrollWindowHelper::Resize()
122{
123 Window::Resize();
124
125 Size aTotalOutputSize = GetOutputSizePixel();
126 long nHScrollHeight = GetHScrollBar().GetSizePixel().Height();
127 long nVScrollWidth = GetVScrollBar().GetSizePixel().Width();
128
129 GetHScrollBar().SetPosSizePixel(
130 Point( 0, aTotalOutputSize.Height()-nHScrollHeight ),
131 Size( aTotalOutputSize.Width()-nVScrollWidth, nHScrollHeight )
132 );
133
134 GetVScrollBar().SetPosSizePixel(
135 Point( aTotalOutputSize.Width()-nVScrollWidth, 0 ),
136 Size( nVScrollWidth, aTotalOutputSize.Height()-nHScrollHeight )
137 );
138
139 m_pCornerWindow->SetPosSizePixel(
140 Point( aTotalOutputSize.Width() - nVScrollWidth, aTotalOutputSize.Height() - nHScrollHeight),
141 Size( nVScrollWidth, nHScrollHeight )
142 );
143
144 GetHScrollBar().SetPageSize( aTotalOutputSize.Width() );
145 GetHScrollBar().SetVisibleSize( aTotalOutputSize.Width() );
146
147 GetVScrollBar().SetPageSize( aTotalOutputSize.Height() );
148 GetVScrollBar().SetVisibleSize( aTotalOutputSize.Height() );
149
150 // adjust the ranges of the scrollbars if necessary
151 long lRange = GetHScrollBar().GetRange().Max() - GetHScrollBar().GetRange().Min();
152 if (m_pTableView->GetScrollOffset().X() + aTotalOutputSize.Width() > lRange)
153 GetHScrollBar().SetRangeMax(m_pTableView->GetScrollOffset().X() + aTotalOutputSize.Width() + GetHScrollBar().GetRange().Min());
154
155 lRange = GetVScrollBar().GetRange().Max() - GetVScrollBar().GetRange().Min();
156 if (m_pTableView->GetScrollOffset().Y() + aTotalOutputSize.Height() > lRange)
157 GetVScrollBar().SetRangeMax(m_pTableView->GetScrollOffset().Y() + aTotalOutputSize.Height() + GetVScrollBar().GetRange().Min());
158
159 m_pTableView->SetPosSizePixel(Point( 0, 0 ),Size( aTotalOutputSize.Width()-nVScrollWidth, aTotalOutputSize.Height()-nHScrollHeight ));
160}
161
162
163OJoinTableView::OJoinTableView( vcl::Window* pParent, OJoinDesignView* pView )
164 :Window( pParent,WB_BORDER )
165 ,DropTargetHelper(this)
166 ,m_aDragOffset( Point(0,0) )
167 ,m_aScrollOffset( Point(0,0) )
168 ,m_pDragWin( nullptr )
169 ,m_pSizingWin( nullptr )
170 ,m_pSelectedConn( nullptr )
171 ,m_pLastFocusTabWin(nullptr)
172 ,m_pView( pView )
173 ,m_pAccessible(nullptr)
174{
175 SetSizePixel( Size(1000, 1000) );
176
177 InitColors();
178
179 m_aDragScrollIdle.SetInvokeHandler(LINK(this, OJoinTableView, OnDragScrollTimer)::tools::detail::makeLink( ::tools::detail::castTo<OJoinTableView
*>(this), &OJoinTableView::LinkStubOnDragScrollTimer)
);
180}
181
182OJoinTableView::~OJoinTableView()
183{
184 disposeOnce();
185}
186
187void OJoinTableView::dispose()
188{
189 if( m_pAccessible )
190 {
191 m_pAccessible->clearTableView();
192 m_pAccessible = nullptr;
193 }
194 // delete lists
195 clearLayoutInformation();
196 m_pDragWin.clear();
197 m_pSizingWin.clear();
198 m_pSelectedConn.clear();
199 m_pLastFocusTabWin.clear();
200 m_pView.clear();
201 m_vTableConnection.clear();
202 vcl::Window::dispose();
203}
204
205IMPL_LINK( OJoinTableView, ScrollHdl, ScrollBar*, pScrollBar, void )void OJoinTableView::LinkStubScrollHdl(void * instance, ScrollBar
* data) { return static_cast<OJoinTableView *>(instance
)->ScrollHdl(data); } void OJoinTableView::ScrollHdl(ScrollBar
* pScrollBar)
206{
207 // move all windows
208 ScrollPane( pScrollBar->GetDelta(), (pScrollBar == &GetHScrollBar()), false );
209}
210
211void OJoinTableView::Resize()
212{
213 Window::Resize();
214 m_aOutputSize = GetSizePixel();
215
216 // tab win positions may not be up-to-date
217 if (m_aTableMap.empty())
218 // no tab wins ...
219 return;
220
221 // we have at least one table so resize it
222 m_aScrollOffset.setX( GetHScrollBar().GetThumbPos() );
223 m_aScrollOffset.setY( GetVScrollBar().GetThumbPos() );
224
225 VclPtr<OTableWindow> pCheck = m_aTableMap.begin()->second;
226 Point aRealPos = pCheck->GetPosPixel();
227 Point aAssumedPos = pCheck->GetData()->GetPosition() - GetScrollOffset();
228
229 if (aRealPos == aAssumedPos)
230 // all ok
231 return;
232
233 for (auto const& elem : m_aTableMap)
234 {
235 OTableWindow* pCurrent = elem.second;
236 Point aPos(pCurrent->GetData()->GetPosition() - GetScrollOffset());
237 pCurrent->SetPosPixel(aPos);
238 }
239}
240
241sal_uLong OJoinTableView::GetTabWinCount() const
242{
243 return m_aTableMap.size();
244}
245
246bool OJoinTableView::RemoveConnection(VclPtr<OTableConnection>& rConn, bool _bDelete)
247{
248 VclPtr<OTableConnection> xConn(rConn);
249
250 DeselectConn(xConn);
251
252 // to force a redraw
253 xConn->InvalidateConnection();
254
255 m_pView->getController().removeConnectionData(xConn->GetData());
256
257 m_vTableConnection.erase(std::find(m_vTableConnection.begin(), m_vTableConnection.end(), xConn));
258
259 modified();
260 if ( m_pAccessible )
261 m_pAccessible->notifyAccessibleEvent( AccessibleEventId::CHILD,
262 makeAny(xConn->GetAccessible()),
263 Any());
264 if (_bDelete)
265 xConn->disposeOnce();
266
267 return true;
268}
269
270OTableWindow* OJoinTableView::GetTabWindow( const OUString& rName )
271{
272 OTableWindowMap::const_iterator aIter = m_aTableMap.find(rName);
273
274 return aIter == m_aTableMap.end() ? nullptr : aIter->second;
275}
276
277TTableWindowData::value_type OJoinTableView::createTableWindowData(const OUString& _rComposedName
278 ,const OUString& _sTableName
279 ,const OUString& _rWinName)
280{
281 TTableWindowData::value_type pData( CreateImpl(_rComposedName, _sTableName,_rWinName) );
282 OJoinDesignView* pParent = getDesignView();
283 try
284 {
285 if ( !pData->init(pParent->getController().getConnection(),allowQueries()) )
286 {
287 if ( pData->isValid() )
288 onNoColumns_throw();
289 else
290 pData.reset();
291 }
292 }
293 catch ( const SQLException& )
294 {
295 ::dbtools::showError( ::dbtools::SQLExceptionInfo( ::cppu::getCaughtException() ),
296 VCLUnoHelper::GetInterface(pParent), pParent->getController().getORB() );
297 }
298 catch( const WrappedTargetException& e )
299 {
300 SQLException aSql;
301 if ( e.TargetException >>= aSql )
302 ::dbtools::showError( ::dbtools::SQLExceptionInfo( aSql ), VCLUnoHelper::GetInterface(pParent), pParent->getController().getORB() );
303 }
304 catch( const Exception& )
305 {
306 DBG_UNHANDLED_EXCEPTION("dbaccess")DbgUnhandledException( DbgGetCaughtException(), __func__, "/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/JoinTableView.cxx"
":" "306" ": ", "dbaccess" );
;
307 }
308 return pData;
309}
310
311std::shared_ptr<OTableWindowData> OJoinTableView::CreateImpl(const OUString& _rComposedName
312 ,const OUString& _sTableName
313 ,const OUString& _rWinName)
314{
315 return std::make_shared<OTableWindowData>( nullptr,_rComposedName,_sTableName, _rWinName );
316}
317
318void OJoinTableView::AddTabWin(const OUString& _rComposedName, const OUString& rWinName, bool /*bNewTable*/)
319{
320 OSL_ENSURE(!_rComposedName.isEmpty(),"There must be a table name supplied!")do { if (true && (!(!_rComposedName.isEmpty()))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/JoinTableView.cxx"
":" "320" ": "), "%s", "There must be a table name supplied!"
); } } while (false)
;
321
322 TTableWindowData::value_type pNewTabWinData(createTableWindowData( _rComposedName, rWinName,rWinName ));
323
324 // insert new window in window list
325 VclPtr<OTableWindow> pNewTabWin = createWindow( pNewTabWinData );
326 if ( pNewTabWin->Init() )
327 {
328 m_pView->getController().getTableWindowData().push_back( pNewTabWinData);
329 // when we already have a table with this name insert the full qualified one instead
330 if(m_aTableMap.find(rWinName) != m_aTableMap.end())
331 m_aTableMap[_rComposedName] = pNewTabWin;
332 else
333 m_aTableMap[rWinName] = pNewTabWin;
334
335 SetDefaultTabWinPosSize( pNewTabWin );
336 pNewTabWin->Show();
337
338 modified();
339 if ( m_pAccessible )
340 m_pAccessible->notifyAccessibleEvent( AccessibleEventId::CHILD,
341 Any(),
342 makeAny(pNewTabWin->GetAccessible()));
343 }
344 else
345 {
346 pNewTabWin->clearListBox();
347 pNewTabWin.disposeAndClear();
348 }
349}
350
351void OJoinTableView::RemoveTabWin( OTableWindow* pTabWin )
352{
353 // first delete all connections of this window to others
354 bool bRemove = true;
355 TTableWindowData::value_type pData = pTabWin->GetData();
356 sal_Int32 nCount = m_vTableConnection.size();
357 auto aIter = m_vTableConnection.rbegin();
358 while(aIter != m_vTableConnection.rend() && bRemove)
359 {
360 VclPtr<OTableConnection>& rTabConn = *aIter;
361 if (
362 (pData == rTabConn->GetData()->getReferencingTable()) ||
363 (pData == rTabConn->GetData()->getReferencedTable())
364 )
365 {
366 bRemove = RemoveConnection(rTabConn, true);
367 aIter = m_vTableConnection.rbegin();
368 }
369 else
370 ++aIter;
371 }
372
373 // then delete the window itself
374 if ( bRemove )
375 {
376 if ( m_pAccessible )
377 m_pAccessible->notifyAccessibleEvent( AccessibleEventId::CHILD,
378 makeAny(pTabWin->GetAccessible()),Any()
379 );
380
381 pTabWin->Hide();
382 OJoinController& rController = m_pView->getController();
383 TTableWindowData::iterator aFind = std::find(rController.getTableWindowData().begin(), rController.getTableWindowData().end(), pData);
384 if(aFind != rController.getTableWindowData().end())
385 {
386 rController.getTableWindowData().erase(aFind);
387 rController.setModified(true);
388 }
389
390 if ( !m_aTableMap.erase( pTabWin->GetWinName() ) )
391 m_aTableMap.erase( pTabWin->GetComposedName() );
392
393 if (pTabWin == m_pLastFocusTabWin)
394 m_pLastFocusTabWin = nullptr;
395
396 pTabWin->clearListBox();
397 pTabWin->disposeOnce();
398 }
399
400 if ( static_cast<sal_Int32>(m_vTableConnection.size()) < (nCount-1) ) // if some connections could be removed
401 modified();
402}
403
404namespace
405{
406 bool isScrollAllowed( OJoinTableView* _pView,long nDelta, bool bHoriz)
407 {
408 // adjust ScrollBar-Positions
409 ScrollBar& rBar = bHoriz ? _pView->GetHScrollBar() : _pView->GetVScrollBar() ;
410
411 long nOldThumbPos = rBar.GetThumbPos();
412 long nNewThumbPos = nOldThumbPos + nDelta;
413 if( nNewThumbPos < 0 )
414 nNewThumbPos = 0;
415 else if( nNewThumbPos > rBar.GetRangeMax() )
416 nNewThumbPos = rBar.GetRangeMax();
417
418 if ( bHoriz )
419 {
420 if( nNewThumbPos == _pView->GetScrollOffset().X() )
421 return false;
422 }
423 else if ( nNewThumbPos == _pView->GetScrollOffset().Y() )
424 return false;
425
426 return true;
427 }
428 bool getMovementImpl(OJoinTableView* _pView,const Point& _rPoint,const Size& _rSize,long& _nScrollX,long& _nScrollY)
429 {
430 _nScrollY = _nScrollX = 0;
431 // data about the tab win
432 Point aUpperLeft = _rPoint;
433 // normalize with respect to visibility
434 aUpperLeft -= _pView->GetScrollOffset();
435 Point aLowerRight(aUpperLeft.X() + _rSize.Width(), aUpperLeft.Y() + _rSize.Height());
436
437 // data about ourself
438 Size aSize = _pView->getRealOutputSize(); //GetOutputSizePixel();
439
440 bool bVisible = true;
441 bool bFitsHor = (aUpperLeft.X() >= 0) && (aLowerRight.X() <= aSize.Width());
442 bool bFitsVert= (aUpperLeft.Y() >= 0) && (aLowerRight.Y() <= aSize.Height());
443 if (!bFitsHor || !bFitsVert)
444 {
445 if (!bFitsHor)
446 {
447 // ensure the visibility of the right border
448 if ( aLowerRight.X() > aSize.Width() )
449 _nScrollX = aLowerRight.X() - aSize.Width() + TABWIN_SPACING_X17;
450
451 // ensure the visibility of the left border (higher priority)
452 if ( aUpperLeft.X() < 0 )
453 _nScrollX = aUpperLeft.X() - TABWIN_SPACING_X17;
454 }
455
456 if (!bFitsVert)
457 {
458 // lower border
459 if ( aLowerRight.Y() > aSize.Height() )
460 _nScrollY = aLowerRight.Y() - aSize.Height() + TABWIN_SPACING_Y17;
461 // upper border
462 if ( aUpperLeft.Y() < 0 )
463 _nScrollY = aUpperLeft.Y() - TABWIN_SPACING_Y17;
464 }
465
466 if ( _nScrollX ) // aSize.Width() > _rSize.Width() &&
467 bVisible = isScrollAllowed(_pView,_nScrollX, true);
468
469 if ( _nScrollY ) // aSize.Height() > _rSize.Height() &&
470 bVisible = bVisible && isScrollAllowed(_pView,_nScrollY, false);
471
472 if ( bVisible )
473 {
474 sal_Int32 nHRangeMax = _pView->GetHScrollBar().GetRangeMax();
475 sal_Int32 nVRangeMax = _pView->GetVScrollBar().GetRangeMax();
476
477 if ( aSize.Width() + _pView->GetHScrollBar().GetThumbPos() + _nScrollX > nHRangeMax )
478 bVisible = false;
479 if ( bVisible && aSize.Height() + _pView->GetVScrollBar().GetThumbPos() + _nScrollY > nVRangeMax )
480 bVisible = false;
481 }
482 }
483
484 return bVisible;
485 }
486} // end of ano namespace
487
488bool OJoinTableView::isMovementAllowed(const Point& _rPoint,const Size& _rSize)
489{
490 long nX,nY;
491 return getMovementImpl(this,_rPoint,_rSize,nX,nY);
492}
493
494void OJoinTableView::EnsureVisible(const OTableWindow* _pWin)
495{
496 // data about the tab win
497 TTableWindowData::value_type pData = _pWin->GetData();
498 EnsureVisible( pData->GetPosition() , pData->GetSize());
499 Invalidate(InvalidateFlags::NoChildren);
500}
501
502void OJoinTableView::EnsureVisible(const Point& _rPoint,const Size& _rSize)
503{
504 long nScrollX,nScrollY;
505
506 if ( getMovementImpl(this,_rPoint,_rSize,nScrollX,nScrollY) )
507 {
508 bool bVisible = true;
509 if (nScrollX)
510 bVisible = ScrollPane(nScrollX, true, true);
511
512 if (nScrollY && bVisible)
513 ScrollPane(nScrollY, false, true);
514 }
515}
516
517void OJoinTableView::SetDefaultTabWinPosSize( OTableWindow* pTabWin )
518{
519 // determine position:
520 // the window is divided into lines with height TABWIN_SPACING_Y+TABWIN_HEIGHT_STD.
521 // Then for each line is checked, if there is space for another window.
522 // If there is no space, the next line is checked.
523 Size aOutSize = GetSizePixel();
524 Point aNewPos( 0,0 );
525 sal_uInt16 nRow = 0;
526 bool bEnd = false;
527 while( !bEnd )
528 {
529 // Set new position to start of line
530 aNewPos.setX( TABWIN_SPACING_X17 );
531 aNewPos.setY( (nRow+1) * TABWIN_SPACING_Y17 );
532
533 // determine rectangle for the corresponding line
534 tools::Rectangle aRowRect( Point(0,0), aOutSize );
535 aRowRect.SetTop( nRow * ( TABWIN_SPACING_Y17 + TABWIN_HEIGHT_STD120 ) );
536 aRowRect.SetBottom( (nRow+1) * ( TABWIN_SPACING_Y17 + TABWIN_HEIGHT_STD120 ) );
537
538 // check occupied areas of this line
539 for (auto const& elem : m_aTableMap)
540 {
541 OTableWindow* pOtherTabWin = elem.second;
542 tools::Rectangle aOtherTabWinRect( pOtherTabWin->GetPosPixel(), pOtherTabWin->GetSizePixel() );
543
544 if(
545 ( (aOtherTabWinRect.Top()>aRowRect.Top()) && (aOtherTabWinRect.Top()<aRowRect.Bottom()) ) ||
546 ( (aOtherTabWinRect.Bottom()>aRowRect.Top()) && (aOtherTabWinRect.Bottom()<aRowRect.Bottom()) )
547 )
548 {
549 // TabWin is in the line
550 if( aOtherTabWinRect.Right()>aNewPos.X() )
551 aNewPos.setX( aOtherTabWinRect.Right() + TABWIN_SPACING_X17 );
552 }
553 }
554
555 // Is there space left in this line?
556 if( (aNewPos.X()+TABWIN_WIDTH_STD120)<aRowRect.Right() )
557 {
558 aNewPos.setY( aRowRect.Top() + TABWIN_SPACING_Y17 );
559 bEnd = true;
560 }
561 else
562 {
563 if( (aRowRect.Bottom()+aRowRect.GetHeight()) > aOutSize.Height() )
564 {
565 // insert it in the first row
566 sal_Int32 nCount = m_aTableMap.size() % (nRow+1);
567 ++nCount;
568 aNewPos.setY( nCount * TABWIN_SPACING_Y17 + (nCount-1)*CalcZoom(TABWIN_HEIGHT_STD120) );
569 bEnd = true;
570 }
571 else
572 nRow++;
573
574 }
575 }
576
577 // determine size
578 Size aNewSize( CalcZoom(TABWIN_WIDTH_STD120), CalcZoom(TABWIN_HEIGHT_STD120) );
579
580 // check if the new position in inside the scrollbars ranges
581 Point aBottom(aNewPos);
582 aBottom.AdjustX(aNewSize.Width() );
583 aBottom.AdjustY(aNewSize.Height() );
584
585 if(!GetHScrollBar().GetRange().IsInside(aBottom.X()))
586 GetHScrollBar().SetRange( Range(0, aBottom.X()) );
587 if(!GetVScrollBar().GetRange().IsInside(aBottom.Y()))
588 GetVScrollBar().SetRange( Range(0, aBottom.Y()) );
589
590 pTabWin->SetPosSizePixel( aNewPos, aNewSize );
591}
592
593void OJoinTableView::DataChanged(const DataChangedEvent& rDCEvt)
594{
595 if (rDCEvt.GetType() == DataChangedEventType::SETTINGS)
596 {
597 // consider the worst case: the colors changed, so adjust me
598 InitColors();
599 Invalidate(InvalidateFlags::NoChildren);
600 // due to the Invalidate, the connections are redrawn, so that they are also pictured in the new colors
601 }
602}
603
604void OJoinTableView::InitColors()
605{
606 // the colors for the illustration should be the system colors
607 StyleSettings aSystemStyle = Application::GetSettings().GetStyleSettings();
608 SetBackground(Wallpaper(aSystemStyle.GetDialogColor()));
609}
610
611void OJoinTableView::BeginChildMove( OTableWindow* pTabWin, const Point& rMousePos )
612{
613
614 if (m_pView->getController().isReadOnly())
615 return;
616
617 m_pDragWin = pTabWin;
618 SetPointer(PointerStyle::Move);
619 Point aMousePos = ScreenToOutputPixel( rMousePos );
620 m_aDragOffset = aMousePos - pTabWin->GetPosPixel();
621 m_pDragWin->SetZOrder(nullptr, ZOrderFlags::First);
622 StartTracking();
623}
624
625void OJoinTableView::NotifyTitleClicked( OTableWindow* pTabWin, const Point& rMousePos )
626{
627 DeselectConn(GetSelectedConn());
628 BeginChildMove(pTabWin, rMousePos);
629}
630
631void OJoinTableView::BeginChildSizing( OTableWindow* pTabWin, PointerStyle nPointer )
632{
633
634 if (m_pView->getController().isReadOnly())
635 return;
636
637 SetPointer( nPointer );
638 m_pSizingWin = pTabWin;
639 StartTracking();
640}
641
642bool OJoinTableView::ScrollPane( long nDelta, bool bHoriz, bool bPaintScrollBars )
643{
644 bool bRet = true;
645
646 // adjust ScrollBar-Positions
647 if( bPaintScrollBars )
648 {
649 if( bHoriz )
650 {
651 long nOldThumbPos = GetHScrollBar().GetThumbPos();
652 long nNewThumbPos = nOldThumbPos + nDelta;
653 if( nNewThumbPos < 0 )
654 {
655 nNewThumbPos = 0;
656 bRet = false;
657 }
658 if( nNewThumbPos > GetHScrollBar().GetRange().Max() )
659 {
660 nNewThumbPos = GetHScrollBar().GetRange().Max();
661 bRet = false;
662 }
663 GetHScrollBar().SetThumbPos( nNewThumbPos );
664 nDelta = GetHScrollBar().GetThumbPos() - nOldThumbPos;
665 }
666 else
667 {
668 long nOldThumbPos = GetVScrollBar().GetThumbPos();
669 long nNewThumbPos = nOldThumbPos+nDelta;
670 if( nNewThumbPos < 0 )
671 {
672 nNewThumbPos = 0;
673 bRet = false;
674 }
675 if( nNewThumbPos > GetVScrollBar().GetRange().Max() )
676 {
677 nNewThumbPos = GetVScrollBar().GetRange().Max();
678 bRet = false;
679 }
680 GetVScrollBar().SetThumbPos( nNewThumbPos );
681 nDelta = GetVScrollBar().GetThumbPos() - nOldThumbPos;
682 }
683 }
684
685 // If ScrollOffset hitting borders, no redrawing.
686 if( (GetHScrollBar().GetThumbPos()==m_aScrollOffset.X()) &&
687 (GetVScrollBar().GetThumbPos()==m_aScrollOffset.Y()) )
688 return false;
689
690 // set ScrollOffset anew
691 if (bHoriz)
692 m_aScrollOffset.setX( GetHScrollBar().GetThumbPos() );
693 else
694 m_aScrollOffset.setY( GetVScrollBar().GetThumbPos() );
695
696 // move all windows
697 OTableWindow* pTabWin;
698 Point aPos;
699
700 for (auto const& elem : m_aTableMap)
701 {
702 pTabWin = elem.second;
703 aPos = pTabWin->GetPosPixel();
704
705 if( bHoriz )
706 aPos.AdjustX( -nDelta );
707 else aPos.AdjustY( -nDelta );
708
709 pTabWin->SetPosPixel( aPos );
710 }
711
712 Invalidate(); // InvalidateFlags::NoChildren
713
714 return bRet;
715}
716
717void OJoinTableView::Tracking( const TrackingEvent& rTEvt )
718{
719 HideTracking();
720
721 if (rTEvt.IsTrackingEnded())
722 {
723 if( m_pDragWin )
724 {
725 if (m_aDragScrollIdle.IsActive())
726 m_aDragScrollIdle.Stop();
727
728 // adjust position of child after moving
729 // windows are not allowed to leave display range
730 Point aDragWinPos = rTEvt.GetMouseEvent().GetPosPixel() - m_aDragOffset;
731 Size aDragWinSize = m_pDragWin->GetSizePixel();
732 if( aDragWinPos.X() < 0 )
733 aDragWinPos.setX( 0 );
734 if( aDragWinPos.Y() < 0 )
735 aDragWinPos.setY( 0 );
736 if( (aDragWinPos.X() + aDragWinSize.Width()) > m_aOutputSize.Width() )
737 aDragWinPos.setX( m_aOutputSize.Width() - aDragWinSize.Width() - 1 );
738 if( (aDragWinPos.Y() + aDragWinSize.Height()) > m_aOutputSize.Height() )
739 aDragWinPos.setY( m_aOutputSize.Height() - aDragWinSize.Height() - 1 );
740 if( aDragWinPos.X() < 0 )
741 aDragWinPos.setX( 0 );
742 if( aDragWinPos.Y() < 0 )
743 aDragWinPos.setY( 0 );
744 // TODO : don't position window anew, if it is leaving range, but just expand the range
745
746 // position window
747 EndTracking();
748 m_pDragWin->SetZOrder(nullptr, ZOrderFlags::First);
749 // check, if I really moved
750 // (this prevents setting the modified-Flag, when there actually was no change0
751 TTableWindowData::value_type pData = m_pDragWin->GetData();
752 if ( ! (pData && pData->HasPosition() && (pData->GetPosition() == aDragWinPos)))
753 {
754 // old logic coordinates
755 Point ptOldPos = m_pDragWin->GetPosPixel() + Point(GetHScrollBar().GetThumbPos(), GetVScrollBar().GetThumbPos());
756 // new positioning
757 m_pDragWin->SetPosPixel(aDragWinPos);
758 TabWinMoved(m_pDragWin, ptOldPos);
759
760 m_pDragWin->GrabFocus();
761 }
762 m_pDragWin = nullptr;
763 SetPointer(PointerStyle::Arrow);
764 }
765 // else we handle the resizing
766 else if( m_pSizingWin )
767 {
768 SetPointer( PointerStyle::Arrow );
769 EndTracking();
770
771 // old physical coordinates
772
773 Size szOld = m_pSizingWin->GetSizePixel();
774 Point ptOld = m_pSizingWin->GetPosPixel();
775 Size aNewSize(CalcZoom(m_aSizingRect.GetSize().Width()),CalcZoom(m_aSizingRect.GetSize().Height()));
776 m_pSizingWin->SetPosSizePixel( m_aSizingRect.TopLeft(), aNewSize );
777 TabWinSized(m_pSizingWin, ptOld, szOld);
778
779 m_pSizingWin->Invalidate( m_aSizingRect );
780 m_pSizingWin = nullptr;
781 }
782 }
783 else if (rTEvt.IsTrackingCanceled())
784 {
785 if (m_aDragScrollIdle.IsActive())
786 m_aDragScrollIdle.Stop();
787 EndTracking();
788 }
789 else
790 {
791 if( m_pDragWin )
792 {
793 m_ptPrevDraggingPos = rTEvt.GetMouseEvent().GetPosPixel();
794 // scroll at window borders
795 ScrollWhileDragging();
796 }
797
798 if( m_pSizingWin )
799 {
800 Point aMousePos = rTEvt.GetMouseEvent().GetPosPixel();
801 m_aSizingRect = m_pSizingWin->getSizingRect(aMousePos,m_aOutputSize);
802 PaintImmediately();
803 ShowTracking( m_aSizingRect, ShowTrackFlags::Small | ShowTrackFlags::TrackWindow );
804 }
805 }
806}
807
808void OJoinTableView::ConnDoubleClicked(VclPtr<OTableConnection>& /*rConnection*/)
809{
810}
811
812void OJoinTableView::MouseButtonDown( const MouseEvent& rEvt )
813{
814 GrabFocus();
815 Window::MouseButtonDown(rEvt);
816}
817
818void OJoinTableView::MouseButtonUp( const MouseEvent& rEvt )
819{
820 Window::MouseButtonUp(rEvt);
821 // Has a connection been selected?
822 if( m_vTableConnection.empty() )
823 return;
824
825 DeselectConn(GetSelectedConn());
826
827 for (auto & elem : m_vTableConnection)
828 {
829 if( elem->CheckHit(rEvt.GetPosPixel()) )
830 {
831 SelectConn(elem);
832
833 // Double-click
834 if( rEvt.GetClicks() == 2 )
835 ConnDoubleClicked(elem);
836
837 break;
838 }
839 }
840}
841
842void OJoinTableView::KeyInput( const KeyEvent& rEvt )
843{
844 sal_uInt16 nCode = rEvt.GetKeyCode().GetCode();
845 bool bShift = rEvt.GetKeyCode().IsShift();
846 bool bCtrl = rEvt.GetKeyCode().IsMod1();
847
848 if( !bCtrl && !bShift && (nCode==KEY_DELETE) )
849 {
850 if (GetSelectedConn())
851 RemoveConnection(GetSelectedConn(), true);
852 }
853 else
854 Window::KeyInput( rEvt );
855}
856
857void OJoinTableView::DeselectConn(OTableConnection* pConn)
858{
859 if (!pConn || !pConn->IsSelected())
860 return;
861
862 // deselect the corresponding entries in the ListBox of the table window
863 OTableWindow* pWin = pConn->GetSourceWin();
864 if (pWin && pWin->GetListBox())
865 pWin->GetListBox()->get_widget().unselect_all();
866
867 pWin = pConn->GetDestWin();
868 if (pWin && pWin->GetListBox())
869 pWin->GetListBox()->get_widget().unselect_all();
870
871 pConn->Deselect();
872 m_pSelectedConn = nullptr;
873}
874
875void OJoinTableView::SelectConn(OTableConnection* pConn)
876{
877 DeselectConn(GetSelectedConn());
878
879 pConn->Select();
880 m_pSelectedConn = pConn;
881 GrabFocus(); // has to be called here because a table window may still be focused
882
883 // select the concerned entries in the windows
884 OTableWindow* pConnSource = pConn->GetSourceWin();
885 OTableWindow* pConnDest = pConn->GetDestWin();
886 if (!(pConnSource && pConnDest))
887 return;
888
889 OTableWindowListBox* pSourceBox = pConnSource->GetListBox().get();
890 OTableWindowListBox* pDestBox = pConnDest->GetListBox().get();
891 if (!(pSourceBox && pDestBox))
892 return;
893
894 pSourceBox->get_widget().unselect_all();
895 pDestBox->get_widget().unselect_all();
896
897 bool bScrolled = false;
898
899 const std::vector<std::unique_ptr<OConnectionLine>>& rLines = pConn->GetConnLineList();
900 auto aIter = rLines.rbegin();
901 for(;aIter != rLines.rend();++aIter)
902 {
903 if ((*aIter)->IsValid())
904 {
905 int nSourceEntry = pSourceBox->GetEntryFromText((*aIter)->GetData()->GetSourceFieldName());
906 if (nSourceEntry != -1)
907 {
908 pSourceBox->get_widget().select(nSourceEntry);
909 pSourceBox->get_widget().scroll_to_row(nSourceEntry);
910 bScrolled = true;
911 }
912
913 int nDestEntry = pDestBox->GetEntryFromText((*aIter)->GetData()->GetDestFieldName());
914 if (nDestEntry != -1)
915 {
916 pDestBox->get_widget().select(nDestEntry);
917 pDestBox->get_widget().scroll_to_row(nDestEntry);
918 bScrolled = true;
919 }
920 }
921 }
922
923 if (bScrolled)
924 {
925 // scrolling was done -> redraw
926 Invalidate(InvalidateFlags::NoChildren);
927 }
928}
929
930void OJoinTableView::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
931{
932 DrawConnections(rRenderContext, rRect);
933}
934
935void OJoinTableView::InvalidateConnections()
936{
937 // draw Joins
938 for (auto & conn : m_vTableConnection)
939 conn->InvalidateConnection();
940}
941
942void OJoinTableView::DrawConnections(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
943{
944 // draw Joins
945 for(const auto& connection : m_vTableConnection)
946 connection->Draw(rRenderContext, rRect);
947 // finally redraw the selected one above all others
948 if (GetSelectedConn())
949 GetSelectedConn()->Draw(rRenderContext, rRect);
950}
951
952std::vector<VclPtr<OTableConnection> >::const_iterator OJoinTableView::getTableConnections(const OTableWindow* _pFromWin) const
953{
954 return std::find_if( m_vTableConnection.begin(),
955 m_vTableConnection.end(),
956 [_pFromWin](OTableConnection * p) { return p->isTableConnection(_pFromWin); });
957}
958
959sal_Int32 OJoinTableView::getConnectionCount(const OTableWindow* _pFromWin) const
960{
961 return std::count_if( m_vTableConnection.begin(),
962 m_vTableConnection.end(),
963 [_pFromWin](OTableConnection * p) { return p->isTableConnection(_pFromWin); });
964}
965
966bool OJoinTableView::ExistsAConn(const OTableWindow* pFrom) const
967{
968 return getTableConnections(pFrom) != m_vTableConnection.end();
969}
970
971void OJoinTableView::ClearAll()
972{
973 SetUpdateMode(false);
974
975 HideTabWins();
976
977 // and the same with the Connections
978 for (auto & elem : m_vTableConnection)
979 {
980 RemoveConnection(elem, true);
981 }
982 m_vTableConnection.clear();
983
984 m_pLastFocusTabWin = nullptr;
985 m_pSelectedConn = nullptr;
986
987 // scroll to the upper left
988 ScrollPane(-GetScrollOffset().X(), true, true);
989 ScrollPane(-GetScrollOffset().Y(), false, true);
990 Invalidate();
991}
992
993void OJoinTableView::ScrollWhileDragging()
994{
995 OSL_ENSURE(m_pDragWin != nullptr, "OJoinTableView::ScrollWhileDragging must not be called when a window is being dragged !")do { if (true && (!(m_pDragWin != nullptr))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/JoinTableView.cxx"
":" "995" ": "), "%s", "OJoinTableView::ScrollWhileDragging must not be called when a window is being dragged !"
); } } while (false)
;
996
997 // kill the timer
998 if (m_aDragScrollIdle.IsActive())
999 m_aDragScrollIdle.Stop();
1000
1001 Point aDragWinPos = m_ptPrevDraggingPos - m_aDragOffset;
1002 Size aDragWinSize = m_pDragWin->GetSizePixel();
1003 Point aLowerRight(aDragWinPos.X() + aDragWinSize.Width(), aDragWinPos.Y() + aDragWinSize.Height());
1004
1005 if (aDragWinPos == m_pDragWin->GetPosPixel())
1006 return;
1007
1008 // avoid illustration errors (when scrolling with active TrackingRect)
1009 HideTracking();
1010
1011 bool bScrolling = false;
1012 bool bNeedScrollTimer = false;
1013
1014 // scroll at window borders
1015 // TODO : only catch, if window would disappear completely (don't, if there is still a pixel visible)
1016 if( aDragWinPos.X() < 5 )
1017 {
1018 bScrolling = ScrollPane( -LINE_SIZE50, true, true );
1019 if( !bScrolling && (aDragWinPos.X()<0) )
1020 aDragWinPos.setX( 0 );
1021
1022 // do I need further (timer controlled) scrolling ?
1023 bNeedScrollTimer = bScrolling && (aDragWinPos.X() < 5);
1024 }
1025
1026 if( aLowerRight.X() > m_aOutputSize.Width() - 5 )
1027 {
1028 bScrolling = ScrollPane( LINE_SIZE50, true, true ) ;
1029 if( !bScrolling && ( aLowerRight.X() > m_aOutputSize.Width() ) )
1030 aDragWinPos.setX( m_aOutputSize.Width() - aDragWinSize.Width() );
1031
1032 // do I need further (timer controlled) scrolling ?
1033 bNeedScrollTimer = bScrolling && (aLowerRight.X() > m_aOutputSize.Width() - 5);
1034 }
1035
1036 if( aDragWinPos.Y() < 5 )
1037 {
1038 bScrolling = ScrollPane( -LINE_SIZE50, false, true );
1039 if( !bScrolling && (aDragWinPos.Y()<0) )
1040 aDragWinPos.setY( 0 );
1041
1042 bNeedScrollTimer = bScrolling && (aDragWinPos.Y() < 5);
1043 }
1044
1045 if( aLowerRight.Y() > m_aOutputSize.Height() - 5 )
1046 {
1047 bScrolling = ScrollPane( LINE_SIZE50, false, true );
1048 if( !bScrolling && ( (aDragWinPos.Y() + aDragWinSize.Height()) > m_aOutputSize.Height() ) )
1049 aDragWinPos.setY( m_aOutputSize.Height() - aDragWinSize.Height() );
1050
1051 bNeedScrollTimer = bScrolling && (aLowerRight.Y() > m_aOutputSize.Height() - 5);
1052 }
1053
1054 // resetting timer, if still necessary
1055 if (bNeedScrollTimer)
1056 {
1057 m_aDragScrollIdle.SetPriority( TaskPriority::HIGH_IDLE );
1058 m_aDragScrollIdle.Start();
1059 }
1060
1061 // redraw DraggingRect
1062 m_aDragRect = tools::Rectangle(m_ptPrevDraggingPos - m_aDragOffset, m_pDragWin->GetSizePixel());
1063 PaintImmediately();
1064 ShowTracking( m_aDragRect, ShowTrackFlags::Small | ShowTrackFlags::TrackWindow );
1065}
1066
1067IMPL_LINK_NOARG(OJoinTableView, OnDragScrollTimer, Timer *, void)void OJoinTableView::LinkStubOnDragScrollTimer(void * instance
, Timer * data) { return static_cast<OJoinTableView *>(
instance)->OnDragScrollTimer(data); } void OJoinTableView::
OnDragScrollTimer(__attribute__ ((unused)) Timer *)
1068{
1069 ScrollWhileDragging();
1070}
1071
1072void OJoinTableView::invalidateAndModify(std::unique_ptr<SfxUndoAction> _pAction)
1073{
1074 Invalidate(InvalidateFlags::NoChildren);
1075 m_pView->getController().addUndoActionAndInvalidate(std::move(_pAction));
1076}
1077
1078void OJoinTableView::TabWinMoved(OTableWindow* ptWhich, const Point& ptOldPosition)
1079{
1080 Point ptThumbPos(GetHScrollBar().GetThumbPos(), GetVScrollBar().GetThumbPos());
1081 ptWhich->GetData()->SetPosition(ptWhich->GetPosPixel() + ptThumbPos);
1082
1083 invalidateAndModify(std::make_unique<OJoinMoveTabWinUndoAct>(this, ptOldPosition, ptWhich));
1084}
1085
1086void OJoinTableView::TabWinSized(OTableWindow* ptWhich, const Point& ptOldPosition, const Size& szOldSize)
1087{
1088 ptWhich->GetData()->SetSize(ptWhich->GetSizePixel());
1089 ptWhich->GetData()->SetPosition(ptWhich->GetPosPixel());
1090
1091 invalidateAndModify(std::make_unique<OJoinSizeTabWinUndoAct>(this, ptOldPosition, szOldSize, ptWhich));
1092}
1093
1094bool OJoinTableView::IsAddAllowed()
1095{
1096
1097 // not, if Db readonly
1098 if (m_pView->getController().isReadOnly())
1099 return false;
1100
1101 try
1102 {
1103 Reference< XConnection> xConnection = m_pView->getController().getConnection();
1104 if(!xConnection.is())
1105 return false;
1106 // not, if too many tables already
1107 Reference < XDatabaseMetaData > xMetaData( xConnection->getMetaData() );
1108
1109 sal_Int32 nMax = xMetaData.is() ? xMetaData->getMaxTablesInSelect() : 0;
1110 if (nMax && nMax <= static_cast<sal_Int32>(m_aTableMap.size()))
1111 return false;
1112 }
1113 catch(SQLException&)
1114 {
1115 return false;
1116 }
1117
1118 return true;
1119}
1120
1121void OJoinTableView::executePopup(const Point& _aPos, VclPtr<OTableConnection>& rSelConnection)
1122{
1123 VclBuilder aBuilder(nullptr, AllSettings::GetUIRootDir(), "dbaccess/ui/joinviewmenu.ui", "");
1124 VclPtr<PopupMenu> aContextMenu(aBuilder.get_menu("menu"));
1125 aContextMenu->Execute(this, _aPos);
1126 OString sIdent = aContextMenu->GetCurItemIdent();
1127 if (sIdent == "delete")
1128 RemoveConnection(rSelConnection, true);
1129 else if (sIdent == "edit")
1130 ConnDoubleClicked(rSelConnection); // is the same as double clicked
1131}
1132
1133void OJoinTableView::Command(const CommandEvent& rEvt)
1134{
1135
1136 bool bHandled = false;
1137
1138 switch (rEvt.GetCommand())
1139 {
1140 case CommandEventId::ContextMenu:
1141 {
1142 if( m_vTableConnection.empty() )
1143 return;
1144
1145 VclPtr<OTableConnection>& rSelConnection = GetSelectedConn();
1146 // when it wasn't a mouse event use the selected connection
1147 if (!rEvt.IsMouseEvent())
1148 {
1149 if (rSelConnection)
1150 {
1151 const std::vector<std::unique_ptr<OConnectionLine>>& rLines = rSelConnection->GetConnLineList();
1152 auto aIter = std::find_if(rLines.begin(), rLines.end(),std::mem_fn(&OConnectionLine::IsValid));
1153 if( aIter != rLines.end() )
1154 executePopup((*aIter)->getMidPoint(), rSelConnection);
1155 }
1156 }
1157 else
1158 {
1159 DeselectConn(rSelConnection);
1160
1161 const Point& aMousePos = rEvt.GetMousePosPixel();
1162 for (auto & elem : m_vTableConnection)
1163 {
1164 if( elem->CheckHit(aMousePos) )
1165 {
1166 SelectConn(elem);
1167 if(!getDesignView()->getController().isReadOnly() && getDesignView()->getController().isConnected())
1168 executePopup(rEvt.GetMousePosPixel(),elem);
1169 break;
1170 }
1171 }
1172 }
1173 bHandled = true;
1174 }
1175 break;
1176 default: break;
1177 }
1178 if (!bHandled)
1179 Window::Command(rEvt);
1180}
1181
1182OTableConnection* OJoinTableView::GetTabConn(const OTableWindow* pLhs,const OTableWindow* pRhs,bool _bSupressCrossOrNaturalJoin) const
1183{
1184 OTableConnection* pConn = nullptr;
1185 OSL_ENSURE(pRhs || pLhs, "OJoinTableView::GetTabConn : invalid args !")do { if (true && (!(pRhs || pLhs))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/JoinTableView.cxx"
":" "1185" ": "), "%s", "OJoinTableView::GetTabConn : invalid args !"
); } } while (false)
;
1186 // only one NULL-arg allowed
1187
1188 if ((!pLhs || pLhs->ExistsAConn()) && (!pRhs || pRhs->ExistsAConn()))
1189 {
1190 for(VclPtr<OTableConnection> const & pData : m_vTableConnection)
1191 {
1192 if ( ( (pData->GetSourceWin() == pLhs)
1193 && ( (pData->GetDestWin() == pRhs)
1194 || (nullptr == pRhs)
1195 )
1196 )
1197 || ( (pData->GetSourceWin() == pRhs)
1198 && ( (pData->GetDestWin() == pLhs)
1199 || (nullptr == pLhs)
1200 )
1201 )
1202 )
1203 {
1204 if ( _bSupressCrossOrNaturalJoin )
1205 {
1206 if ( supressCrossNaturalJoin(pData->GetData()) )
1207 continue;
1208 }
1209 pConn = pData;
1210 break;
1211 }
1212 }
1213 }
1214 return pConn;
1215}
1216
1217bool OJoinTableView::PreNotify(NotifyEvent& rNEvt)
1218{
1219 bool bHandled = false;
1220 switch (rNEvt.GetType())
1221 {
1222 case MouseNotifyEvent::COMMAND:
1223 {
1224 const CommandEvent* pCommand = rNEvt.GetCommandEvent();
1225 if (pCommand->GetCommand() == CommandEventId::Wheel)
1226 {
1227 const CommandWheelData* pData = rNEvt.GetCommandEvent()->GetWheelData();
1228 if (pData->GetMode() == CommandWheelMode::SCROLL)
1229 {
1230 if (pData->GetDelta() > 0)
1231 ScrollPane(-10 * pData->GetScrollLines(), pData->IsHorz(), true);
1232 else
1233 ScrollPane(10 * pData->GetScrollLines(), pData->IsHorz(), true);
1234 bHandled = true;
1235 }
1236 }
1237 }
1238 break;
1239 case MouseNotifyEvent::KEYINPUT:
1240 {
1241 if (m_aTableMap.empty())
1242 // no tab wins -> no conns -> no traveling
1243 break;
1244
1245 const KeyEvent* pKeyEvent = rNEvt.GetKeyEvent();
1246 if (!pKeyEvent->GetKeyCode().IsMod1())
1247 {
1248 switch (pKeyEvent->GetKeyCode().GetCode())
1249 {
1250 case KEY_TAB:
1251 {
1252 if (!HasChildPathFocus())
1253 break;
1254
1255 bool bForward = !pKeyEvent->GetKeyCode().IsShift();
1256 // is there an active tab win ?
1257 OTableWindowMap::const_iterator aIter = std::find_if(m_aTableMap.begin(), m_aTableMap.end(),
1258 [](const OTableWindowMap::value_type& rEntry) { return rEntry.second && rEntry.second->HasChildPathFocus(); });
1259
1260 OTableWindow* pNextWin = nullptr;
1261 OTableConnection* pNextConn = nullptr;
1262
1263 if (aIter != m_aTableMap.end())
1264 { // there is a currently active tab win
1265 // check if there is an "overflow" and we should select a conn instead of a win
1266 if (!m_vTableConnection.empty())
1267 {
1268 if ((aIter->second == m_aTableMap.rbegin()->second) && bForward)
1269 // the last win is active and we're travelling forward -> select the first conn
1270 pNextConn = m_vTableConnection.begin()->get();
1271 if ((aIter == m_aTableMap.begin()) && !bForward)
1272 // the first win is active and we're traveling backward -> select the last conn
1273 pNextConn = m_vTableConnection.rbegin()->get();
1274 }
1275
1276 if (!pNextConn)
1277 {
1278 // no conn for any reason -> select the next or previous tab win
1279 if(bForward)
1280 {
1281 if ( aIter->second == m_aTableMap.rbegin()->second )
1282 pNextWin = m_aTableMap.begin()->second;
1283 else
1284 {
1285 ++aIter;
1286 pNextWin = aIter->second;
1287 }
1288 }
1289 else
1290 {
1291 if (aIter == m_aTableMap.begin())
1292 pNextWin = m_aTableMap.rbegin()->second;
1293 else
1294 {
1295 --aIter;
1296 pNextWin = aIter->second;
1297 }
1298 }
1299 }
1300 }
1301 else
1302 { // no active tab win -> travel the connections
1303 // find the currently selected conn within the conn list
1304 sal_Int32 i(0);
1305 for (auto const& elem : m_vTableConnection)
1306 {
1307 if ( elem.get() == GetSelectedConn() )
1308 break;
1309 ++i;
1310 }
1311 if (i == sal_Int32(m_vTableConnection.size() - 1) && bForward)
1312 // the last conn is active and we're travelling forward -> select the first win
1313 pNextWin = m_aTableMap.begin()->second;
1314 if ((i == 0) && !bForward && !m_aTableMap.empty())
1315 // the first conn is active and we're travelling backward -> select the last win
1316 pNextWin = m_aTableMap.rbegin()->second;
1317
1318 if (pNextWin)
1319 DeselectConn(GetSelectedConn());
1320 else
1321 // no win for any reason -> select the next or previous conn
1322 if (i < static_cast<sal_Int32>(m_vTableConnection.size()))
1323 // there is a currently active conn
1324 pNextConn = m_vTableConnection[(i + (bForward ? 1 : m_vTableConnection.size() - 1)) % m_vTableConnection.size()].get();
1325 else
1326 { // no tab win selected, no conn selected
1327 if (!m_vTableConnection.empty())
1328 pNextConn = m_vTableConnection[bForward ? 0 : m_vTableConnection.size() - 1].get();
1329 else if (!m_aTableMap.empty())
1330 {
1331 if(bForward)
1332 pNextWin = m_aTableMap.begin()->second;
1333 else
1334 pNextWin = m_aTableMap.rbegin()->second;
1335 }
1336 }
1337 }
1338
1339 // now select the object
1340 if (pNextWin)
1341 {
1342 if (pNextWin->GetListBox())
1343 pNextWin->GetListBox()->GrabFocus();
1344 else
1345 pNextWin->GrabFocus();
1346 EnsureVisible(pNextWin);
1347 }
1348 else if (pNextConn)
1349 {
1350 GrabFocus();
1351 // necessary : a conn may be selected even if a tab win has the focus, in this case
1352 // the next travel would select the same conn again if we would not reset the focus ...
1353 SelectConn(pNextConn);
1354 }
1355 }
1356 break;
1357 case KEY_RETURN:
1358 {
1359 if (!pKeyEvent->GetKeyCode().IsShift() && GetSelectedConn() && HasFocus())
1360 ConnDoubleClicked(GetSelectedConn());
1361 break;
1362 }
1363 }
1364 }
1365 }
1366 break;
1367 case MouseNotifyEvent::GETFOCUS:
1368 {
1369 if (m_aTableMap.empty())
1370 // no tab wins -> no conns -> no focus change
1371 break;
1372 vcl::Window* pSource = rNEvt.GetWindow();
1373 if (pSource)
1374 {
1375 vcl::Window* pSearchFor = nullptr;
1376 if (pSource->GetParent() == this)
1377 // it may be one of the tab wins
1378 pSearchFor = pSource;
1379 else if (pSource->GetParent() && (pSource->GetParent()->GetParent() == this))
1380 // it may be one of th list boxes of one of the tab wins
1381 pSearchFor = pSource->GetParent();
1382
1383 if (pSearchFor)
1384 {
1385 for (auto const& elem : m_aTableMap)
1386 {
1387 if (elem.second == pSearchFor)
1388 {
1389 m_pLastFocusTabWin = elem.second;
1390 break;
1391 }
1392 }
1393 }
1394 }
1395 }
1396 break;
1397 default:
1398 break;
1399 }
1400
1401 if (!bHandled)
1402 return Window::PreNotify(rNEvt);
1403 return true;
1404}
1405
1406void OJoinTableView::GrabTabWinFocus()
1407{
1408 if (m_pLastFocusTabWin && m_pLastFocusTabWin->IsVisible())
1409 {
1410 if (m_pLastFocusTabWin->GetListBox())
1411 m_pLastFocusTabWin->GetListBox()->GrabFocus();
1412 else
1413 m_pLastFocusTabWin->GrabFocus();
1414 }
1415 else if (!m_aTableMap.empty() && m_aTableMap.begin()->second && m_aTableMap.begin()->second->IsVisible())
1416 {
1417 VclPtr<OTableWindow> pFirstWin = m_aTableMap.begin()->second;
1418 if (pFirstWin->GetListBox())
1419 pFirstWin->GetListBox()->GrabFocus();
1420 else
1421 pFirstWin->GrabFocus();
1422 }
1423}
1424
1425void OJoinTableView::StateChanged( StateChangedType nType )
1426{
1427 Window::StateChanged( nType );
1428
1429 // FIXME RenderContext
1430 if ( nType != StateChangedType::Zoom )
1431 return;
1432
1433 const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
1434
1435 vcl::Font aFont = rStyleSettings.GetGroupFont();
1436 if ( IsControlFont() )
1437 aFont.Merge( GetControlFont() );
1438 SetZoomedPointFont(*this, aFont);
1439
1440 for (auto const& elem : m_aTableMap)
1441 {
1442 elem.second->SetZoom(GetZoom());
1443 Size aSize(CalcZoom(elem.second->GetSizePixel().Width()),CalcZoom(elem.second->GetSizePixel().Height()));
1444 elem.second->SetSizePixel(aSize);
1445 }
1446 Resize();
1447}
1448
1449void OJoinTableView::HideTabWins()
1450{
1451 SetUpdateMode(false);
1452
1453 OTableWindowMap& rTabWins = GetTabWinMap();
1454
1455 // working on a copy because the real list will be cleared in inner calls
1456 OTableWindowMap aCopy(rTabWins);
1457 for (auto const& elem : aCopy)
1458 RemoveTabWin(elem.second);
1459
1460 m_pView->getController().setModified(true);
1461
1462 SetUpdateMode(true);
1463
1464}
1465
1466sal_Int8 OJoinTableView::AcceptDrop( const AcceptDropEvent& /*_rEvt*/ )
1467{
1468 return DND_ACTION_NONEcss::datatransfer::dnd::DNDConstants::ACTION_NONE;
1469}
1470
1471sal_Int8 OJoinTableView::ExecuteDrop( const ExecuteDropEvent& /*_rEvt*/ )
1472{
1473 return DND_ACTION_NONEcss::datatransfer::dnd::DNDConstants::ACTION_NONE;
1474}
1475
1476void OJoinTableView::dragFinished( )
1477{
1478}
1479
1480void OJoinTableView::clearLayoutInformation()
1481{
1482 m_pLastFocusTabWin = nullptr;
1483 m_pSelectedConn = nullptr;
1484 // delete lists
1485 for (auto & elem : m_aTableMap)
1486 {
1487 if ( elem.second )
1488 elem.second->clearListBox();
1489 elem.second.disposeAndClear();
1490 }
1491
1492 m_aTableMap.clear();
1493
1494 for (auto & elem : m_vTableConnection)
1495 elem.disposeAndClear();
1496
1497 m_vTableConnection.clear();
1498}
1499
1500void OJoinTableView::lookForUiActivities()
1501{
1502}
1503
1504void OJoinTableView::LoseFocus()
1505{
1506 DeselectConn(GetSelectedConn());
1507 Window::LoseFocus();
1508}
1509
1510void OJoinTableView::GetFocus()
1511{
1512 Window::GetFocus();
1513 if ( !m_aTableMap.empty() && !GetSelectedConn() )
1514 GrabTabWinFocus();
1515}
1516
1517Reference< XAccessible > OJoinTableView::CreateAccessible()
1518{
1519 m_pAccessible = new OJoinDesignViewAccess(this);
1520 return m_pAccessible;
1521}
1522
1523void OJoinTableView::modified()
1524{
1525 OJoinController& rController = m_pView->getController();
1526 rController.setModified( true );
1527 rController.InvalidateFeature(ID_BROWSER_ADDTABLE( 10000 + 722 ));
1528 rController.InvalidateFeature(SID_RELATION_ADD_RELATION( ((((((((10000 + 1499) + 1) + 499) + 1) + 100) + 1) + 149) +
1) + 45 )
);
1529}
1530
1531void OJoinTableView::addConnection(OTableConnection* _pConnection,bool _bAddData)
1532{
1533 if ( _bAddData )
1534 {
1535#if OSL_DEBUG_LEVEL1 > 0
1536 TTableConnectionData& rTabConnDataList = m_pView->getController().getTableConnectionData();
1537 OSL_ENSURE( std::find(rTabConnDataList.begin(), rTabConnDataList.end(),_pConnection->GetData()) == rTabConnDataList.end(),"Data already in vector!")do { if (true && (!(std::find(rTabConnDataList.begin(
), rTabConnDataList.end(),_pConnection->GetData()) == rTabConnDataList
.end()))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN),
("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/JoinTableView.cxx"
":" "1537" ": "), "%s", "Data already in vector!"); } } while
(false)
;
1538#endif
1539 m_pView->getController().getTableConnectionData().push_back(_pConnection->GetData());
1540 }
1541 m_vTableConnection.emplace_back(_pConnection);
1542 _pConnection->RecalcLines();
1543 _pConnection->InvalidateConnection();
1544
1545 modified();
1546 if ( m_pAccessible )
1547 m_pAccessible->notifyAccessibleEvent( AccessibleEventId::CHILD,
1548 Any(),
1549 makeAny(_pConnection->GetAccessible()));
1550}
1551
1552bool OJoinTableView::allowQueries() const
1553{
1554 return true;
1555}
1556
1557void OJoinTableView::onNoColumns_throw()
1558{
1559 OSL_FAIL( "OTableWindow::onNoColumns_throw: cannot really handle this!" )do { if (true && (((sal_Bool)1))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/dbaccess/source/ui/querydesign/JoinTableView.cxx"
":" "1559" ": "), "%s", "OTableWindow::onNoColumns_throw: cannot really handle this!"
); } } while (false)
;
1560 throw SQLException();
1561}
1562
1563bool OJoinTableView::supressCrossNaturalJoin(const TTableConnectionData::value_type& ) const
1564{
1565 return false;
1566}
1567
1568/* 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);
2
Calling 'Reference::set'
7
Returning from 'Reference::set'
177 return *this;
178 }
179
180 operator reference_type * () const
181 {
182 return m_rInnerRef.get();
183 }
184
185 explicit operator bool () const
186 {
187 return m_rInnerRef.get() != nullptr;
188 }
189
190 void clear()
191 {
192 m_rInnerRef.clear();
193 }
194
195 void reset()
196 {
197 m_rInnerRef.clear();
198 }
199
200 void disposeAndClear()
201 {
202 // hold it alive for the lifetime of this method
203 ::rtl::Reference<reference_type> aTmp(m_rInnerRef);
204 m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-)
205 if (aTmp.get()) {
206 aTmp->disposeOnce();
207 }
208 }
209
210 /** Needed to place VclPtr's into STL collection.
211 */
212 bool operator< (const VclPtr<reference_type> & handle) const
213 {
214 return (m_rInnerRef < handle.m_rInnerRef);
215 }
216}; // class VclPtr
217
218template<typename T1, typename T2>
219inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
220 return p1.get() == p2.get();
221}
222
223template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2)
224{
225 return p1.get() == p2;
226}
227
228template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) {
229 return p1.get() == p2;
230}
231
232template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2)
233{
234 return p1 == p2.get();
235}
236
237template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) {
238 return p1 == p2.get();
239}
240
241template<typename T1, typename T2>
242inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) {
243 return !(p1 == p2);
244}
245
246template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2)
247{
248 return !(p1 == p2);
249}
250
251template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) {
252 return !(p1 == p2);
253}
254
255template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2)
256{
257 return !(p1 == p2);
258}
259
260template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) {
261 return !(p1 == p2);
262}
263
264/**
265 * A construction helper for a temporary VclPtr. Since VclPtr types
266 * are created with a reference-count of one - to help fit into
267 * the existing code-flow; this helps us to construct them easily.
268 * see also VclPtr::Create and ScopedVclPtr
269 *
270 * For more details on the design please see vcl/README.lifecycle
271 *
272 * @param reference_type must be a subclass of vcl::Window
273 */
274template <class reference_type>
275class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type>
276{
277public:
278 template<typename... Arg> VclPtrInstance(Arg &&... arg)
279 : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE )
280 {
281 }
282
283 /**
284 * Override and disallow this, to prevent people accidentally calling it and actually
285 * getting VclPtr::Create and getting a naked VclPtr<> instance
286 */
287 template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete;
288};
289
290template <class reference_type>
291class ScopedVclPtr : public VclPtr<reference_type>
292{
293public:
294 /** Constructor...
295 */
296 ScopedVclPtr()
297 : VclPtr<reference_type>()
298 {}
299
300 /** Constructor
301 */
302 ScopedVclPtr (reference_type * pBody)
303 : VclPtr<reference_type>(pBody)
304 {}
305
306 /** Copy constructor...
307 */
308 ScopedVclPtr (const VclPtr<reference_type> & handle)
309 : VclPtr<reference_type>(handle)
310 {}
311
312 /**
313 Assignment that releases the last reference.
314 */
315 void disposeAndReset(reference_type *pBody)
316 {
317 if (pBody != this->get()) {
318 VclPtr<reference_type>::disposeAndClear();
319 VclPtr<reference_type>::set(pBody);
320 }
321 }
322
323 /**
324 Assignment that releases the last reference.
325 */
326 ScopedVclPtr<reference_type>& operator = (reference_type * pBody)
327 {
328 disposeAndReset(pBody);
329 return *this;
330 }
331
332 /** Up-casting conversion constructor: Copies interface reference.
333
334 Does not work for up-casts to ambiguous bases. For the special case of
335 up-casting to Reference< XInterface >, see the corresponding conversion
336 operator.
337
338 @param rRef another reference
339 */
340 template< class derived_type >
341 ScopedVclPtr(
342 const VclPtr< derived_type > & rRef,
343 typename std::enable_if<
344 std::is_base_of<reference_type, derived_type>::value, int>::type
345 = 0 )
346 : VclPtr<reference_type>( rRef )
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
20.1
Field 'm_pBody' is non-null
20.1
Field 'm_pBody' is non-null
20.1
Field 'm_pBody' is non-null
20.1
Field 'm_pBody' is non-null
)
21
Taking true branch
77 m_pBody->acquire();
22
Use of memory after it is freed
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
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
10.1
Field 'm_pBody' is non-null
)
11
Taking true branch
113 m_pBody->release();
12
Calling 'VclReferenceBase::release'
16
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)
3
Assuming 'pBody' is non-null
4
Taking true branch
123 pBody->acquire();
124 reference_type * const pOld = m_pBody;
125 m_pBody = pBody;
126 if (pOld)
5
Assuming 'pOld' is null
6
Taking false branch
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;
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)
13
Assuming the condition is true
14
Taking true branch
40 delete this;
15
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