Bug Summary

File:home/maarten/src/libreoffice/core/include/rtl/ref.hxx
Warning:line 113, 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 view.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 SM_DLLIMPLEMENTATION -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/i18n -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/common -I /home/maarten/src/libreoffice/core/external/boost/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/boost -I /home/maarten/src/libreoffice/core/starmath/inc -I /home/maarten/src/libreoffice/core/workdir/SdiTarget/starmath/sdi -I /home/maarten/src/libreoffice/core/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include/linux -I /home/maarten/src/libreoffice/core/config_host -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/oox/generated -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/starmath/source/view.cxx

/home/maarten/src/libreoffice/core/starmath/source/view.cxx

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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 <com/sun/star/accessibility/AccessibleEventId.hpp>
21#include <com/sun/star/accessibility/AccessibleStateType.hpp>
22#include <com/sun/star/frame/Desktop.hpp>
23#include <com/sun/star/frame/XFramesSupplier.hpp>
24#include <com/sun/star/container/XChild.hpp>
25
26#include <comphelper/processfactory.hxx>
27#include <comphelper/servicehelper.hxx>
28#include <comphelper/storagehelper.hxx>
29#include <comphelper/string.hxx>
30#include <i18nutil/unicode.hxx>
31#include <sfx2/dispatch.hxx>
32#include <sfx2/docfile.hxx>
33#include <sfx2/docfilt.hxx>
34#include <sfx2/docinsert.hxx>
35#include <sfx2/filedlghelper.hxx>
36#include <sfx2/infobar.hxx>
37#include <sfx2/msg.hxx>
38#include <sfx2/objface.hxx>
39#include <sfx2/printer.hxx>
40#include <sfx2/request.hxx>
41#include <sfx2/viewfac.hxx>
42#include <svl/eitem.hxx>
43#include <svl/itemset.hxx>
44#include <svl/poolitem.hxx>
45#include <svl/stritem.hxx>
46#include <vcl/transfer.hxx>
47#include <svtools/colorcfg.hxx>
48#include <svtools/miscopt.hxx>
49#include <svl/whiter.hxx>
50#include <svx/zoomslideritem.hxx>
51#include <editeng/editeng.hxx>
52#include <editeng/editview.hxx>
53#include <svx/svxdlg.hxx>
54#include <sfx2/zoomitem.hxx>
55#include <vcl/commandevent.hxx>
56#include <vcl/event.hxx>
57#include <vcl/decoview.hxx>
58#include <vcl/menu.hxx>
59#include <vcl/settings.hxx>
60#include <vcl/virdev.hxx>
61#include <sal/log.hxx>
62#include <tools/svborder.hxx>
63
64#include <unotools/streamwrap.hxx>
65
66#include <unomodel.hxx>
67#include <view.hxx>
68#include "cfgitem.hxx"
69#include <dialog.hxx>
70#include <document.hxx>
71#include <starmath.hrc>
72#include <strings.hrc>
73#include <smmod.hxx>
74#include "mathmlimport.hxx"
75#include <cursor.hxx>
76#include "accessibility.hxx"
77#include <ElementsDockingWindow.hxx>
78#include <helpids.h>
79#include <cassert>
80#include <memory>
81
82#define MINZOOMsal_uInt16(25) sal_uInt16(25)
83#define MAXZOOMsal_uInt16(800) sal_uInt16(800)
84
85// space around the edit window, in pixels
86// fdo#69111: Increased border on the top so that the window is
87// easier to tear off.
88#define CMD_BOX_PADDING4 4
89#define CMD_BOX_PADDING_TOP10 10
90
91#define ShellClass_SmViewShell
92#include <smslots.hxx>
93
94using namespace css;
95using namespace css::accessibility;
96using namespace css::uno;
97
98SmGraphicWindow::SmGraphicWindow(SmViewShell* pShell)
99 : ScrollableWindow(&pShell->GetViewFrame()->GetWindow())
100 , pViewShell(pShell)
101 , nZoom(100)
102{
103 assert(pViewShell)(static_cast <bool> (pViewShell) ? void (0) : __assert_fail
("pViewShell", "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 103, __extension__ __PRETTY_FUNCTION__));
104 // docking windows are usually hidden (often already done in the
105 // resource) and will be shown by the sfx framework.
106 Hide();
107
108 const Fraction aFraction(1, 1);
109 SetMapMode(MapMode(MapUnit::Map100thMM, Point(), aFraction, aFraction));
110
111 SetTotalSize();
112
113 SetHelpId(HID_SMA_WIN_DOCUMENT"STARMATH_HID_SMA_WIN_DOCUMENT");
114
115 ShowLine(false);
116 CaretBlinkInit();
117}
118
119SmGraphicWindow::~SmGraphicWindow()
120{
121 disposeOnce();
122}
123
124void SmGraphicWindow::dispose()
125{
126 if (mxAccessible.is())
127 mxAccessible->ClearWin(); // make Accessible nonfunctional
128 mxAccessible.clear();
129 CaretBlinkStop();
130 ScrollableWindow::dispose();
131}
132
133void SmGraphicWindow::StateChanged(StateChangedType eType)
134{
135 if (eType == StateChangedType::InitShow)
136 Show();
137 ScrollableWindow::StateChanged(eType);
138}
139
140void SmGraphicWindow::MouseButtonDown(const MouseEvent& rMEvt)
141{
142 ScrollableWindow::MouseButtonDown(rMEvt);
143
144 GrabFocus();
145
146 // set formula-cursor and selection of edit window according to the
147 // position clicked at
148
149 SAL_WARN_IF( rMEvt.GetClicks() == 0, "starmath", "0 clicks" )do { if (true && (rMEvt.GetClicks() == 0)) { switch (
sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN, "starmath"
)) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case SAL_DETAIL_LOG_ACTION_LOG
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "0 clicks") == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN
), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "149" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "0 clicks"), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "0 clicks"; ::
sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath")
, ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "149" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "0 clicks") == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN
), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "149" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "0 clicks"), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "0 clicks"; ::
sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath")
, ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "149" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
150 if ( !rMEvt.IsLeft() )
151 return;
152
153 // get click position relative to formula
154 Point aPos (PixelToLogic(rMEvt.GetPosPixel())
155 - GetFormulaDrawPos());
156
157 const SmNode *pTree = pViewShell->GetDoc()->GetFormulaTree();
158 if (!pTree)
159 return;
160
161 if (IsInlineEditEnabled()) {
162 pViewShell->GetDoc()->GetCursor().MoveTo(this, aPos, !rMEvt.IsShift());
163 return;
164 }
165 const SmNode *pNode = nullptr;
166 // if it was clicked inside the formula then get the appropriate node
167 if (pTree->OrientedDist(aPos) <= 0)
168 pNode = pTree->FindRectClosestTo(aPos);
169
170 if (!pNode)
171 return;
172
173 SmEditWindow *pEdit = pViewShell->GetEditWindow();
174 if (!pEdit)
175 return;
176 const SmToken aToken (pNode->GetToken());
177
178 // set selection to the beginning of the token
179 ESelection aSel (aToken.nRow - 1, aToken.nCol - 1);
180
181 if (rMEvt.GetClicks() != 1 || aToken.eType == TPLACE)
182 aSel.nEndPos = aSel.nEndPos + sal::static_int_cast< sal_uInt16 >(aToken.aText.getLength());
183
184 pEdit->SetSelection(aSel);
185 SetCursor(pNode);
186
187 // allow for immediate editing and
188 //! implicitly synchronize the cursor position mark in this window
189 pEdit->GrabFocus();
190}
191
192void SmGraphicWindow::MouseMove(const MouseEvent &rMEvt)
193{
194 ScrollableWindow::MouseMove(rMEvt);
195
196 if (rMEvt.IsLeft() && IsInlineEditEnabled())
197 {
198 Point aPos(PixelToLogic(rMEvt.GetPosPixel()) - GetFormulaDrawPos());
199 pViewShell->GetDoc()->GetCursor().MoveTo(this, aPos, false);
200
201 CaretBlinkStop();
202 SetIsCursorVisible(true);
203 CaretBlinkStart();
204 RepaintViewShellDoc();
205 }
206}
207
208bool SmGraphicWindow::IsInlineEditEnabled() const
209{
210 return pViewShell->IsInlineEditEnabled();
211}
212
213void SmGraphicWindow::GetFocus()
214{
215 if (!IsInlineEditEnabled())
216 return;
217 if (pViewShell->GetEditWindow())
218 pViewShell->GetEditWindow()->Flush();
219 //Let view shell know what insertions should be done in visual editor
220 pViewShell->SetInsertIntoEditWindow(false);
221 SetIsCursorVisible(true);
222 ShowLine(true);
223 CaretBlinkStart();
224 RepaintViewShellDoc();
225}
226
227void SmGraphicWindow::LoseFocus()
228{
229 ScrollableWindow::LoseFocus();
230 if (mxAccessible.is())
231 {
232 uno::Any aOldValue, aNewValue;
233 aOldValue <<= AccessibleStateType::FOCUSED;
234 // aNewValue remains empty
235 mxAccessible->LaunchEvent( AccessibleEventId::STATE_CHANGED,
236 aOldValue, aNewValue );
237 }
238 if (!IsInlineEditEnabled())
239 return;
240 SetIsCursorVisible(false);
241 ShowLine(false);
242 CaretBlinkStop();
243 RepaintViewShellDoc();
244}
245
246void SmGraphicWindow::RepaintViewShellDoc()
247{
248 SmDocShell* pDoc = pViewShell->GetDoc();
249 if (pDoc)
250 pDoc->Repaint();
251}
252
253IMPL_LINK_NOARG(SmGraphicWindow, CaretBlinkTimerHdl, Timer *, void)void SmGraphicWindow::LinkStubCaretBlinkTimerHdl(void * instance
, Timer * data) { return static_cast<SmGraphicWindow *>
(instance)->CaretBlinkTimerHdl(data); } void SmGraphicWindow
::CaretBlinkTimerHdl(__attribute__ ((unused)) Timer *)
254{
255 if (IsCursorVisible())
256 SetIsCursorVisible(false);
257 else
258 SetIsCursorVisible(true);
259
260 RepaintViewShellDoc();
261}
262
263void SmGraphicWindow::CaretBlinkInit()
264{
265 aCaretBlinkTimer.SetInvokeHandler(LINK(this, SmGraphicWindow, CaretBlinkTimerHdl)::tools::detail::makeLink( ::tools::detail::castTo<SmGraphicWindow
*>(this), &SmGraphicWindow::LinkStubCaretBlinkTimerHdl
));
266 aCaretBlinkTimer.SetTimeout( ScrollableWindow::GetSettings().GetStyleSettings().GetCursorBlinkTime() );
267}
268
269void SmGraphicWindow::CaretBlinkStart()
270{
271 if (!IsInlineEditEnabled())
272 return;
273 if (aCaretBlinkTimer.GetTimeout() != STYLE_CURSOR_NOBLINKTIME((sal_uInt64) 0xFFFFFFFFFFFFFFFFul))
274 aCaretBlinkTimer.Start();
275}
276
277void SmGraphicWindow::CaretBlinkStop()
278{
279 if (!IsInlineEditEnabled())
280 return;
281 aCaretBlinkTimer.Stop();
282}
283
284void SmGraphicWindow::ShowCursor(bool bShow)
285 // shows or hides the formula-cursor depending on 'bShow' is true or not
286{
287 if (IsInlineEditEnabled())
288 return;
289
290 bool bInvert = bShow != IsCursorVisible();
291
292 if (bInvert)
293 InvertTracking(aCursorRect, ShowTrackFlags::Small | ShowTrackFlags::TrackWindow);
294
295 SetIsCursorVisible(bShow);
296}
297
298void SmGraphicWindow::ShowLine(bool bShow)
299{
300 if (!IsInlineEditEnabled())
301 return;
302
303 bIsLineVisible = bShow;
304}
305
306void SmGraphicWindow::SetCursor(const SmNode *pNode)
307{
308 if (IsInlineEditEnabled())
309 return;
310
311 const SmNode *pTree = pViewShell->GetDoc()->GetFormulaTree();
312
313 // get appropriate rectangle
314 Point aOffset (pNode->GetTopLeft() - pTree->GetTopLeft()),
315 aTLPos (GetFormulaDrawPos() + aOffset);
316 aTLPos.AdjustX( -(pNode->GetItalicLeftSpace()) );
317 Size aSize (pNode->GetItalicSize());
318
319 SetCursor(tools::Rectangle(aTLPos, aSize));
320}
321
322void SmGraphicWindow::SetCursor(const tools::Rectangle &rRect)
323 // sets cursor to new position (rectangle) 'rRect'.
324 // The old cursor will be removed, and the new one will be shown if
325 // that is activated in the ConfigItem
326{
327 if (IsInlineEditEnabled())
328 return;
329
330 SmModule *pp = SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) );
331
332 if (IsCursorVisible())
333 ShowCursor(false); // clean up remainings of old cursor
334 aCursorRect = rRect;
335 if (pp->GetConfig()->IsShowFormulaCursor())
336 ShowCursor(true); // draw new cursor
337}
338
339const SmNode * SmGraphicWindow::SetCursorPos(sal_uInt16 nRow, sal_uInt16 nCol)
340 // looks for a VISIBLE node in the formula tree with its token at
341 // (or around) the position 'nRow', 'nCol' in the edit window
342 // (row and column numbering starts with 1 there!).
343 // If there is such a node the formula-cursor is set to cover that nodes
344 // rectangle. If not the formula-cursor will be hidden.
345 // In any case the search result is being returned.
346{
347 if (IsInlineEditEnabled())
348 return nullptr;
349
350 // find visible node with token at nRow, nCol
351 const SmNode *pTree = pViewShell->GetDoc()->GetFormulaTree(),
352 *pNode = nullptr;
353 if (pTree)
354 pNode = pTree->FindTokenAt(nRow, nCol);
355
356 if (pNode)
357 SetCursor(pNode);
358 else
359 ShowCursor(false);
360
361 return pNode;
362}
363
364void SmGraphicWindow::ApplySettings(vcl::RenderContext& rRenderContext)
365{
366 rRenderContext.SetBackground(SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) )->GetColorConfig().GetColorValue(svtools::DOCCOLOR).nColor);
367}
368
369void SmGraphicWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
370{
371 SmDocShell& rDoc = *pViewShell->GetDoc();
372 Point aPoint;
373
374 rDoc.DrawFormula(rRenderContext, aPoint, true); //! modifies aPoint to be the topleft
375 //! corner of the formula
376 aFormulaDrawPos = aPoint;
377 if (IsInlineEditEnabled())
378 {
379 //Draw cursor if any...
380 if (pViewShell->GetDoc()->HasCursor() && IsLineVisible())
381 pViewShell->GetDoc()->GetCursor().Draw(rRenderContext, aPoint, IsCursorVisible());
382 }
383 else
384 {
385 SetIsCursorVisible(false); // (old) cursor must be drawn again
386
387 const SmEditWindow* pEdit = pViewShell->GetEditWindow();
388 if (pEdit)
389 { // get new position for formula-cursor (for possible altered formula)
390 sal_Int32 nRow;
391 sal_uInt16 nCol;
392 SmGetLeftSelectionPart(pEdit->GetSelection(), nRow, nCol);
393 nRow++;
394 nCol++;
395 const SmNode *pFound = SetCursorPos(static_cast<sal_uInt16>(nRow), nCol);
396
397 SmModule *pp = SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) );
398 if (pFound && pp->GetConfig()->IsShowFormulaCursor())
399 ShowCursor(true);
400 }
401 }
402}
403
404
405void SmGraphicWindow::SetTotalSize ()
406{
407 SmDocShell &rDoc = *pViewShell->GetDoc();
408 const Size aTmp( PixelToLogic( LogicToPixel( rDoc.GetSize() )));
409 if ( aTmp != ScrollableWindow::GetTotalSize() )
410 ScrollableWindow::SetTotalSize( aTmp );
411}
412
413void SmGraphicWindow::KeyInput(const KeyEvent& rKEvt)
414{
415 if (!IsInlineEditEnabled()) {
416 if (! (GetView() && GetView()->KeyInput(rKEvt)) )
417 ScrollableWindow::KeyInput(rKEvt);
418 return;
419 }
420
421 SmCursor& rCursor = pViewShell->GetDoc()->GetCursor();
422 KeyFuncType eFunc = rKEvt.GetKeyCode().GetFunction();
423 if (eFunc == KeyFuncType::COPY)
424 rCursor.Copy();
425 else if (eFunc == KeyFuncType::CUT)
426 rCursor.Cut();
427 else if (eFunc == KeyFuncType::PASTE)
428 rCursor.Paste();
429 else {
430 sal_uInt16 nCode = rKEvt.GetKeyCode().GetCode();
431 switch(nCode)
432 {
433 case KEY_LEFT:
434 {
435 rCursor.Move(this, MoveLeft, !rKEvt.GetKeyCode().IsShift());
436 }break;
437 case KEY_RIGHT:
438 {
439 rCursor.Move(this, MoveRight, !rKEvt.GetKeyCode().IsShift());
440 }break;
441 case KEY_UP:
442 {
443 rCursor.Move(this, MoveUp, !rKEvt.GetKeyCode().IsShift());
444 }break;
445 case KEY_DOWN:
446 {
447 rCursor.Move(this, MoveDown, !rKEvt.GetKeyCode().IsShift());
448 }break;
449 case KEY_RETURN:
450 {
451 if(!rKEvt.GetKeyCode().IsShift())
452 rCursor.InsertRow();
453 }break;
454 case KEY_DELETE:
455 {
456 if(!rCursor.HasSelection()){
457 rCursor.Move(this, MoveRight, false);
458 if(rCursor.HasComplexSelection()) break;
459 }
460 rCursor.Delete();
461 }break;
462 case KEY_BACKSPACE:
463 {
464 rCursor.DeletePrev(this);
465 }break;
466 case KEY_ADD:
467 rCursor.InsertElement(PlusElement);
468 break;
469 case KEY_SUBTRACT:
470 if(rKEvt.GetKeyCode().IsShift())
471 rCursor.InsertSubSup(RSUB);
472 else
473 rCursor.InsertElement(MinusElement);
474 break;
475 case KEY_MULTIPLY:
476 rCursor.InsertElement(CDotElement);
477 break;
478 case KEY_DIVIDE:
479 rCursor.InsertFraction();
480 break;
481 case KEY_LESS:
482 rCursor.InsertElement(LessThanElement);
483 break;
484 case KEY_GREATER:
485 rCursor.InsertElement(GreaterThanElement);
486 break;
487 case KEY_EQUAL:
488 rCursor.InsertElement(EqualElement);
489 break;
490 default:
491 {
492 sal_Unicode code = rKEvt.GetCharCode();
493
494 if(code == ' ') {
495 rCursor.InsertElement(BlankElement);
496 }else if(code == '^') {
497 rCursor.InsertSubSup(RSUP);
498 }else if(code == '(') {
499 rCursor.InsertBrackets(SmBracketType::Round);
500 }else if(code == '[') {
501 rCursor.InsertBrackets(SmBracketType::Square);
502 }else if(code == '{') {
503 rCursor.InsertBrackets(SmBracketType::Curly);
504 }else if(code == '!') {
505 rCursor.InsertElement(FactorialElement);
506 }else if(code == '%') {
507 rCursor.InsertElement(PercentElement);
508 }
509 else if ((code == ')' && rCursor.IsAtTailOfBracket(SmBracketType::Round))
510 || (code == ']' && rCursor.IsAtTailOfBracket(SmBracketType::Square))
511 || (code == '}' && rCursor.IsAtTailOfBracket(SmBracketType::Curly)))
512 {
513 rCursor.Move(this, MoveRight);
514 }
515 else{
516 if(code != 0){
517 rCursor.InsertText(OUString(code));
518 }else if (! (GetView() && GetView()->KeyInput(rKEvt)) )
519 ScrollableWindow::KeyInput(rKEvt);
520 }
521 }
522 }
523 }
524 CaretBlinkStop();
525 CaretBlinkStart();
526 SetIsCursorVisible(true);
527 RepaintViewShellDoc();
528}
529
530
531void SmGraphicWindow::Command(const CommandEvent& rCEvt)
532{
533 bool bCallBase = true;
534 if ( !pViewShell->GetViewFrame()->GetFrame().IsInPlace() )
535 {
536 switch ( rCEvt.GetCommand() )
537 {
538 case CommandEventId::ContextMenu:
539 {
540 GetParent()->ToTop();
541 Point aPos(5, 5);
542 if (rCEvt.IsMouseEvent())
543 aPos = rCEvt.GetMousePosPixel();
544
545 // added for replaceability of context menus
546 SfxDispatcher::ExecutePopup( this, &aPos );
547
548 bCallBase = false;
549 }
550 break;
551
552 case CommandEventId::Wheel:
553 {
554 const CommandWheelData* pWData = rCEvt.GetWheelData();
555 if ( pWData && CommandWheelMode::ZOOM == pWData->GetMode() )
556 {
557 sal_uInt16 nTmpZoom = GetZoom();
558 if( 0 > pWData->GetDelta() )
559 nTmpZoom -= 10;
560 else
561 nTmpZoom += 10;
562 SetZoom( nTmpZoom );
563 bCallBase = false;
564 }
565 }
566 break;
567
568 default: break;
569 }
570 }
571 if ( bCallBase )
572 ScrollableWindow::Command (rCEvt);
573}
574
575
576void SmGraphicWindow::SetZoom(sal_uInt16 Factor)
577{
578 nZoom = std::min(std::max(Factor, MINZOOMsal_uInt16(25)), MAXZOOMsal_uInt16(800));
579 Fraction aFraction (nZoom, 100);
580 SetMapMode( MapMode(MapUnit::Map100thMM, Point(), aFraction, aFraction) );
581 SetTotalSize();
582 SmViewShell *pViewSh = GetView();
583 if (pViewSh)
584 {
585 pViewSh->GetViewFrame()->GetBindings().Invalidate(SID_ATTR_ZOOMTypedWhichId<SvxZoomItem>(10000 + 0));
586 pViewSh->GetViewFrame()->GetBindings().Invalidate(SID_ATTR_ZOOMSLIDER( 10000 + 1065 ));
587 }
588 Invalidate();
589}
590
591
592void SmGraphicWindow::ZoomToFitInWindow()
593{
594 SmDocShell &rDoc = *pViewShell->GetDoc();
595
596 // set defined mapmode before calling 'LogicToPixel' below
597 SetMapMode(MapMode(MapUnit::Map100thMM));
598
599 Size aSize (LogicToPixel(rDoc.GetSize()));
600 Size aWindowSize (GetSizePixel());
601
602 if (!aSize.IsEmpty())
603 {
604 long nVal = std::min ((85 * aWindowSize.Width()) / aSize.Width(),
605 (85 * aWindowSize.Height()) / aSize.Height());
606 SetZoom ( sal::static_int_cast< sal_uInt16 >(nVal) );
607 }
608}
609
610uno::Reference< XAccessible > SmGraphicWindow::CreateAccessible()
611{
612 if (!mxAccessible.is())
613 {
614 mxAccessible = new SmGraphicAccessible( this );
615 }
616 return mxAccessible.get();
617}
618
619/**************************************************************************/
620
621
622SmGraphicController::SmGraphicController(SmGraphicWindow &rSmGraphic,
623 sal_uInt16 nId_,
624 SfxBindings &rBindings) :
625 SfxControllerItem(nId_, rBindings),
626 rGraphic(rSmGraphic)
627{
628}
629
630
631void SmGraphicController::StateChanged(sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState)
632{
633 rGraphic.SetTotalSize();
634 rGraphic.Invalidate();
635 SfxControllerItem::StateChanged (nSID, eState, pState);
636}
637
638
639/**************************************************************************/
640
641
642SmEditController::SmEditController(SmEditWindow &rSmEdit,
643 sal_uInt16 nId_,
644 SfxBindings &rBindings) :
645 SfxControllerItem(nId_, rBindings),
646 rEdit(rSmEdit)
647{
648}
649
650
651
652void SmEditController::StateChanged(sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState)
653{
654 const SfxStringItem *pItem = dynamic_cast<const SfxStringItem*>( pState);
655
656 if ((pItem != nullptr) && (rEdit.GetText() != pItem->GetValue()))
657 rEdit.SetText(pItem->GetValue());
658 SfxControllerItem::StateChanged (nSID, eState, pState);
659}
660
661/**************************************************************************/
662SmCmdBoxWindow::SmCmdBoxWindow(SfxBindings *pBindings_, SfxChildWindow *pChildWindow,
663 vcl::Window *pParent) :
664 SfxDockingWindow(pBindings_, pChildWindow, pParent, WB_MOVEABLE|WB_CLOSEABLE|WB_SIZEABLE|WB_DOCKABLE),
665 aEdit (VclPtr<SmEditWindow>::Create(*this)),
666 aController (*aEdit, SID_TEXT((30000 + 256) + 100), *pBindings_),
667 bExiting (false)
668{
669 SetHelpId( HID_SMA_COMMAND_WIN"STARMATH_HID_SMA_COMMAND_WIN" );
670 SetSizePixel(LogicToPixel(Size(292 , 94), MapMode(MapUnit::MapAppFont)));
671 SetText(SmResId(STR_CMDBOXWINDOWreinterpret_cast<char const *>("STR_CMDBOXWINDOW" "\004"
u8"Commands")));
672
673 Hide();
674
675 aInitialFocusTimer.SetInvokeHandler(LINK(this, SmCmdBoxWindow, InitialFocusTimerHdl)::tools::detail::makeLink( ::tools::detail::castTo<SmCmdBoxWindow
*>(this), &SmCmdBoxWindow::LinkStubInitialFocusTimerHdl
));
676 aInitialFocusTimer.SetTimeout(100);
677}
678
679SmCmdBoxWindow::~SmCmdBoxWindow ()
680{
681 disposeOnce();
682}
683
684void SmCmdBoxWindow::dispose()
685{
686 aInitialFocusTimer.Stop();
687 bExiting = true;
688 aController.dispose();
689 aEdit.disposeAndClear();
690 SfxDockingWindow::dispose();
691}
692
693SmViewShell * SmCmdBoxWindow::GetView()
694{
695 SfxDispatcher *pDispatcher = GetBindings().GetDispatcher();
696 SfxViewShell *pView = pDispatcher ? pDispatcher->GetFrame()->GetViewShell() : nullptr;
697 return dynamic_cast<SmViewShell*>( pView);
698}
699
700void SmCmdBoxWindow::Resize()
701{
702 tools::Rectangle aRect(Point(0, 0), GetOutputSizePixel());
703 aRect.AdjustLeft(CMD_BOX_PADDING4 );
704 aRect.AdjustTop(CMD_BOX_PADDING_TOP10 );
705 aRect.AdjustRight( -(CMD_BOX_PADDING4) );
706 aRect.AdjustBottom( -(CMD_BOX_PADDING4) );
707
708 DecorationView aView(this);
709 aRect = aView.DrawFrame(aRect, DrawFrameStyle::In, DrawFrameFlags::NoDraw);
710
711 aEdit->SetPosSizePixel(aRect.TopLeft(), aRect.GetSize());
712 SfxDockingWindow::Resize();
713 Invalidate();
714}
715
716void SmCmdBoxWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/)
717{
718 tools::Rectangle aRect(Point(0, 0), GetOutputSizePixel());
719 aRect.AdjustLeft(CMD_BOX_PADDING4 );
720 aRect.AdjustTop(CMD_BOX_PADDING_TOP10 );
721 aRect.AdjustRight( -(CMD_BOX_PADDING4) );
722 aRect.AdjustBottom( -(CMD_BOX_PADDING4) );
723
724 aEdit->SetPosSizePixel(aRect.TopLeft(), aRect.GetSize());
725
726 DecorationView aView(&rRenderContext);
727 aView.DrawFrame( aRect, DrawFrameStyle::In );
728}
729
730Size SmCmdBoxWindow::CalcDockingSize(SfxChildAlignment eAlign)
731{
732 switch (eAlign)
733 {
734 case SfxChildAlignment::LEFT:
735 case SfxChildAlignment::RIGHT:
736 return Size();
737 default:
738 break;
739 }
740 return SfxDockingWindow::CalcDockingSize(eAlign);
741}
742
743SfxChildAlignment SmCmdBoxWindow::CheckAlignment(SfxChildAlignment eActual,
744 SfxChildAlignment eWish)
745{
746 switch (eWish)
747 {
748 case SfxChildAlignment::TOP:
749 case SfxChildAlignment::BOTTOM:
750 case SfxChildAlignment::NOALIGNMENT:
751 return eWish;
752 default:
753 break;
754 }
755
756 return eActual;
757}
758
759void SmCmdBoxWindow::StateChanged( StateChangedType nStateChange )
760{
761 if (StateChangedType::InitShow == nStateChange)
762 {
763 Resize(); // avoid SmEditWindow not being painted correctly
764
765 // set initial position of window in floating mode
766 if (IsFloatingMode())
767 AdjustPosition(); //! don't change pos in docking-mode !
768
769 aInitialFocusTimer.Start();
770 }
771
772 SfxDockingWindow::StateChanged( nStateChange );
773}
774
775IMPL_LINK_NOARG( SmCmdBoxWindow, InitialFocusTimerHdl, Timer *, void )void SmCmdBoxWindow::LinkStubInitialFocusTimerHdl(void * instance
, Timer * data) { return static_cast<SmCmdBoxWindow *>(
instance)->InitialFocusTimerHdl(data); } void SmCmdBoxWindow
::InitialFocusTimerHdl(__attribute__ ((unused)) Timer *)
776{
777 // We want to have the focus in the edit window once Math has been opened
778 // to allow for immediate typing.
779 // Problem: There is no proper way to do this
780 // Thus: this timer based solution has been implemented (see GrabFocus below)
781
782 // Follow-up problem (#i114910): grabbing the focus may bust the help system since
783 // it relies on getting the current frame which conflicts with grabbing the focus.
784 // Thus aside from the 'GrabFocus' call everything else is to get the
785 // help reliably working despite using 'GrabFocus'.
786
787 try
788 {
789 uno::Reference< frame::XDesktop2 > xDesktop = frame::Desktop::create( comphelper::getProcessComponentContext() );
790
791 aEdit->GrabFocus();
792
793 SmViewShell* pView = GetView();
794 assert(pView)(static_cast <bool> (pView) ? void (0) : __assert_fail (
"pView", "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 794, __extension__ __PRETTY_FUNCTION__));
795 bool bInPlace = pView->GetViewFrame()->GetFrame().IsInPlace();
796 uno::Reference< frame::XFrame > xFrame( GetBindings().GetDispatcher()->GetFrame()->GetFrame().GetFrameInterface());
797 if ( bInPlace )
798 {
799 uno::Reference<container::XChild> xModel(pView->GetDoc()->GetModel(),
800 uno::UNO_QUERY_THROW);
801 uno::Reference< frame::XModel > xParent( xModel->getParent(), uno::UNO_QUERY_THROW );
802 uno::Reference< frame::XController > xParentCtrler( xParent->getCurrentController() );
803 uno::Reference< frame::XFramesSupplier > xParentFrame( xParentCtrler->getFrame(), uno::UNO_QUERY_THROW );
804 xParentFrame->setActiveFrame( xFrame );
805 }
806 else
807 {
808 xDesktop->setActiveFrame( xFrame );
809 }
810 }
811 catch (uno::Exception &)
812 {
813 SAL_WARN( "starmath", "failed to properly set initial focus to edit window" )do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "starmath")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "failed to properly set initial focus to edit window"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "813" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "failed to properly set initial focus to edit window"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "failed to properly set initial focus to edit window"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "813" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "failed to properly set initial focus to edit window"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "813" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "failed to properly set initial focus to edit window"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "failed to properly set initial focus to edit window"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "813" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
814 }
815}
816
817void SmCmdBoxWindow::AdjustPosition()
818{
819 const tools::Rectangle aRect( Point(), GetParent()->GetOutputSizePixel() );
820 Point aTopLeft( Point( aRect.Left(),
821 aRect.Bottom() - GetSizePixel().Height() ) );
822 Point aPos( GetParent()->OutputToScreenPixel( aTopLeft ) );
823 if (aPos.X() < 0)
824 aPos.setX( 0 );
825 if (aPos.Y() < 0)
826 aPos.setY( 0 );
827 SetPosPixel( aPos );
828}
829
830void SmCmdBoxWindow::ToggleFloatingMode()
831{
832 SfxDockingWindow::ToggleFloatingMode();
833
834 if (GetFloatingWindow())
835 GetFloatingWindow()->SetMinOutputSizePixel(Size (200, 50));
836}
837
838void SmCmdBoxWindow::GetFocus()
839{
840 if (!bExiting)
841 aEdit->GrabFocus();
842}
843
844SFX_IMPL_DOCKINGWINDOW_WITHID(SmCmdBoxWrapper, SID_CMDBOXWINDOW)std::unique_ptr<SfxChildWindow> SmCmdBoxWrapper::CreateImpl
( vcl::Window *pParent, sal_uInt16 nId, SfxBindings *pBindings
, SfxChildWinInfo* pInfo ) { return std::make_unique<SmCmdBoxWrapper
>(pParent, nId, pBindings, pInfo); } void SmCmdBoxWrapper::
RegisterChildWindow (bool bVis, SfxModule *pMod, SfxChildWindowFlags
nFlags) { auto pFact = std::make_unique<SfxChildWinFactory
>( SmCmdBoxWrapper::CreateImpl, ((30000 + 256) + 122), (32767
*2 +1) ); pFact->aInfo.nFlags |= nFlags; pFact->aInfo.
bVisible = bVis; SfxChildWindow::RegisterChildWindow(pMod, std
::move(pFact)); } sal_uInt16 SmCmdBoxWrapper::GetChildWindowId
() { return ((30000 + 256) + 122); } SfxChildWinInfo SmCmdBoxWrapper
::GetInfo() const { SfxChildWinInfo aInfo = SfxChildWindow::GetInfo
(); static_cast<SfxDockingWindow*>(GetWindow())->FillInfo
( aInfo ); return aInfo; };
1
Calling 'make_unique<SmCmdBoxWrapper, vcl::Window *&, unsigned short &, SfxBindings *&, SfxChildWinInfo *&>'
→
845
846SmCmdBoxWrapper::SmCmdBoxWrapper(vcl::Window *pParentWindow, sal_uInt16 nId,
847 SfxBindings *pBindings,
848 SfxChildWinInfo *pInfo) :
849 SfxChildWindow(pParentWindow, nId)
850{
851 SetWindow(VclPtr<SmCmdBoxWindow>::Create(pBindings, this, pParentWindow));
3
←
Calling 'VclPtr::Create'
→
5
←
Returned allocated memory
→
6
←
Calling implicit destructor for 'VclPtr<vcl::Window>'
→
7
←
Calling '~Reference'
→
14
←
Returning from '~Reference'
→
15
←
Returning from destructor for 'VclPtr<vcl::Window>'
→
16
←
Calling implicit destructor for 'VclPtr<SmCmdBoxWindow>'
→
17
←
Calling '~Reference'
→
852
853 // make window docked to the bottom initially (after first start)
854 SetAlignment(SfxChildAlignment::BOTTOM);
855 static_cast<SfxDockingWindow *>(GetWindow())->Initialize(pInfo);
856}
857
858struct SmViewShell_Impl
859{
860 std::unique_ptr<sfx2::DocumentInserter> pDocInserter;
861 std::unique_ptr<SfxRequest> pRequest;
862 SvtMiscOptions aOpts;
863};
864
865SFX_IMPL_SUPERCLASS_INTERFACE(SmViewShell, SfxViewShell)SfxInterface* SmViewShell::pInterface = nullptr; SfxInterface
* SmViewShell::GetStaticInterface() { if ( !pInterface ) { pInterface
= new SfxInterface( "SmViewShell", true, GetInterfaceId(), SfxViewShell
::GetStaticInterface(), aSmViewShellSlots_Impl[0], sal_uInt16
(sizeof(aSmViewShellSlots_Impl) / sizeof(SfxSlot) ) ); InitInterface_Impl
(); } return pInterface; } SfxInterface* SmViewShell::GetInterface
() const { return GetStaticInterface(); } void SmViewShell::RegisterInterface
(const SfxModule* pMod) { GetStaticInterface()->Register(pMod
); }
866
867void SmViewShell::InitInterface_Impl()
868{
869 GetStaticInterface()->RegisterObjectBar(SFX_OBJECTBAR_TOOLS2,
870 SfxVisibilityFlags::Standard | SfxVisibilityFlags::FullScreen | SfxVisibilityFlags::Server,
871 ToolbarId::Math_Toolbox);
872 //Dummy-Objectbar, to avoid quiver while activating
873
874 GetStaticInterface()->RegisterChildWindow(SmCmdBoxWrapper::GetChildWindowId());
875 GetStaticInterface()->RegisterChildWindow(SmElementsDockingWindowWrapper::GetChildWindowId());
876 GetStaticInterface()->RegisterChildWindow(SfxInfoBarContainerChild::GetChildWindowId());
877}
878
879SFX_IMPL_NAMED_VIEWFACTORY(SmViewShell, "Default")SfxViewFactory* SmViewShell::pFactory; SfxViewShell* SmViewShell
::CreateInstance(SfxViewFrame *pFrame, SfxViewShell *pOldView
) { return new SmViewShell(pFrame, pOldView); } void SmViewShell
::RegisterFactory( SfxInterfaceId nPrio ) { pFactory = new SfxViewFactory
(&CreateInstance,nPrio,"Default"); InitFactory(); } void SmViewShell
::InitFactory()
880{
881 SFX_VIEW_REGISTRATION(SmDocShell)SmDocShell::Factory().RegisterViewFactory( *Factory() );
882}
883
884void SmViewShell::InnerResizePixel(const Point &rOfs, const Size &rSize, bool)
885{
886 Size aObjSize = GetObjectShell()->GetVisArea().GetSize();
887 if ( !aObjSize.IsEmpty() )
888 {
889 Size aProvidedSize = GetWindow()->PixelToLogic(rSize, MapMode(MapUnit::Map100thMM));
890 SfxViewShell::SetZoomFactor( Fraction( aProvidedSize.Width(), aObjSize.Width() ),
891 Fraction( aProvidedSize.Height(), aObjSize.Height() ) );
892 }
893
894 SetBorderPixel( SvBorder() );
895 GetGraphicWindow().SetPosSizePixel(rOfs, rSize);
896 GetGraphicWindow().SetTotalSize();
897}
898
899void SmViewShell::OuterResizePixel(const Point &rOfs, const Size &rSize)
900{
901 SmGraphicWindow &rWin = GetGraphicWindow();
902 rWin.SetPosSizePixel(rOfs, rSize);
903 if (GetDoc()->IsPreview())
904 rWin.ZoomToFitInWindow();
905 rWin.PaintImmediately();
906}
907
908void SmViewShell::QueryObjAreaPixel( tools::Rectangle& rRect ) const
909{
910 rRect.SetSize( GetGraphicWindow().GetSizePixel() );
911}
912
913void SmViewShell::SetZoomFactor( const Fraction &rX, const Fraction &rY )
914{
915 const Fraction &rFrac = std::min(rX, rY);
916 GetGraphicWindow().SetZoom(sal::static_int_cast<sal_uInt16>(long(rFrac * Fraction( 100, 1 ))));
917
918 //To avoid rounding errors base class regulates crooked values too
919 //if necessary
920 SfxViewShell::SetZoomFactor( rX, rY );
921}
922
923Size SmViewShell::GetTextLineSize(OutputDevice const & rDevice, const OUString& rLine)
924{
925 Size aSize(rDevice.GetTextWidth(rLine), rDevice.GetTextHeight());
926 const long nTabPos = rLine.isEmpty() ? 0 : rDevice.approximate_digit_width() * 8;
927
928 if (nTabPos)
929 {
930 aSize.setWidth( 0 );
931 sal_Int32 nPos = 0;
932 do
933 {
934 if (nPos > 0)
935 aSize.setWidth( ((aSize.Width() / nTabPos) + 1) * nTabPos );
936
937 const OUString aText = rLine.getToken(0, '\t', nPos);
938 aSize.AdjustWidth(rDevice.GetTextWidth(aText) );
939 }
940 while (nPos >= 0);
941 }
942
943 return aSize;
944}
945
946Size SmViewShell::GetTextSize(OutputDevice const & rDevice, const OUString& rText, long MaxWidth)
947{
948 Size aSize;
949 Size aTextSize;
950 if (rText.isEmpty())
951 return aTextSize;
952
953 sal_Int32 nPos = 0;
954 do
955 {
956 OUString aLine = rText.getToken(0, '\n', nPos);
957 aLine = aLine.replaceAll("\r", "");
958
959 aSize = GetTextLineSize(rDevice, aLine);
960
961 if (aSize.Width() > MaxWidth)
962 {
963 do
964 {
965 OUString aText;
966 sal_Int32 m = aLine.getLength();
967 sal_Int32 nLen = m;
968
969 for (sal_Int32 n = 0; n < nLen; n++)
970 {
971 sal_Unicode cLineChar = aLine[n];
972 if ((cLineChar == ' ') || (cLineChar == '\t'))
973 {
974 aText = aLine.copy(0, n);
975 if (GetTextLineSize(rDevice, aText).Width() < MaxWidth)
976 m = n;
977 else
978 break;
979 }
980 }
981
982 aText = aLine.copy(0, m);
983 aLine = aLine.replaceAt(0, m, "");
984 aSize = GetTextLineSize(rDevice, aText);
985 aTextSize.AdjustHeight(aSize.Height() );
986 aTextSize.setWidth( std::max(aTextSize.Width(), std::min(aSize.Width(), MaxWidth)) );
987
988 aLine = comphelper::string::stripStart(aLine, ' ');
989 aLine = comphelper::string::stripStart(aLine, '\t');
990 aLine = comphelper::string::stripStart(aLine, ' ');
991 }
992 while (!aLine.isEmpty());
993 }
994 else
995 {
996 aTextSize.AdjustHeight(aSize.Height() );
997 aTextSize.setWidth( std::max(aTextSize.Width(), aSize.Width()) );
998 }
999 }
1000 while (nPos >= 0);
1001
1002 return aTextSize;
1003}
1004
1005void SmViewShell::DrawTextLine(OutputDevice& rDevice, const Point& rPosition, const OUString& rLine)
1006{
1007 Point aPoint(rPosition);
1008 const long nTabPos = rLine.isEmpty() ? 0 : rDevice.approximate_digit_width() * 8;
1009
1010 if (nTabPos)
1011 {
1012 sal_Int32 nPos = 0;
1013 do
1014 {
1015 if (nPos > 0)
1016 aPoint.setX( ((aPoint.X() / nTabPos) + 1) * nTabPos );
1017
1018 OUString aText = rLine.getToken(0, '\t', nPos);
1019 rDevice.DrawText(aPoint, aText);
1020 aPoint.AdjustX(rDevice.GetTextWidth(aText) );
1021 }
1022 while ( nPos >= 0 );
1023 }
1024 else
1025 rDevice.DrawText(aPoint, rLine);
1026}
1027
1028
1029void SmViewShell::DrawText(OutputDevice& rDevice, const Point& rPosition, const OUString& rText, sal_uInt16 MaxWidth)
1030{
1031 if (rText.isEmpty())
1032 return;
1033
1034 Point aPoint(rPosition);
1035 Size aSize;
1036
1037 sal_Int32 nPos = 0;
1038 do
1039 {
1040 OUString aLine = rText.getToken(0, '\n', nPos);
1041 aLine = aLine.replaceAll("\r", "");
1042 aSize = GetTextLineSize(rDevice, aLine);
1043 if (aSize.Width() > MaxWidth)
1044 {
1045 do
1046 {
1047 OUString aText;
1048 sal_Int32 m = aLine.getLength();
1049 sal_Int32 nLen = m;
1050
1051 for (sal_Int32 n = 0; n < nLen; n++)
1052 {
1053 sal_Unicode cLineChar = aLine[n];
1054 if ((cLineChar == ' ') || (cLineChar == '\t'))
1055 {
1056 aText = aLine.copy(0, n);
1057 if (GetTextLineSize(rDevice, aText).Width() < MaxWidth)
1058 m = n;
1059 else
1060 break;
1061 }
1062 }
1063 aText = aLine.copy(0, m);
1064 aLine = aLine.replaceAt(0, m, "");
1065
1066 DrawTextLine(rDevice, aPoint, aText);
1067 aPoint.AdjustY(aSize.Height() );
1068
1069 aLine = comphelper::string::stripStart(aLine, ' ');
1070 aLine = comphelper::string::stripStart(aLine, '\t');
1071 aLine = comphelper::string::stripStart(aLine, ' ');
1072 }
1073 while (GetTextLineSize(rDevice, aLine).Width() > MaxWidth);
1074
1075 // print the remaining text
1076 if (!aLine.isEmpty())
1077 {
1078 DrawTextLine(rDevice, aPoint, aLine);
1079 aPoint.AdjustY(aSize.Height() );
1080 }
1081 }
1082 else
1083 {
1084 DrawTextLine(rDevice, aPoint, aLine);
1085 aPoint.AdjustY(aSize.Height() );
1086 }
1087 }
1088 while ( nPos >= 0 );
1089}
1090
1091void SmViewShell::Impl_Print(OutputDevice &rOutDev, const SmPrintUIOptions &rPrintUIOptions, tools::Rectangle aOutRect )
1092{
1093 const bool bIsPrintTitle = rPrintUIOptions.getBoolValue( PRTUIOPT_TITLE_ROW"TitleRow", true );
1094 const bool bIsPrintFrame = rPrintUIOptions.getBoolValue( PRTUIOPT_BORDER"Border", true );
1095 const bool bIsPrintFormulaText = rPrintUIOptions.getBoolValue( PRTUIOPT_FORMULA_TEXT"FormulaText", true );
1096 SmPrintSize ePrintSize( static_cast< SmPrintSize >( rPrintUIOptions.getIntValue( PRTUIOPT_PRINT_FORMAT"PrintFormat", PRINT_SIZE_NORMAL ) ));
1097 const sal_uInt16 nZoomFactor = static_cast< sal_uInt16 >(rPrintUIOptions.getIntValue( PRTUIOPT_PRINT_SCALE"PrintScale", 100 ));
1098
1099 rOutDev.Push();
1100 rOutDev.SetLineColor( COL_BLACK );
1101
1102 // output text on top
1103 if (bIsPrintTitle)
1104 {
1105 Size aSize600 (0, 600);
1106 Size aSize650 (0, 650);
1107 vcl::Font aFont(FAMILY_DONTKNOW, aSize600);
1108
1109 aFont.SetAlignment(ALIGN_TOP);
1110 aFont.SetWeight(WEIGHT_BOLD);
1111 aFont.SetFontSize(aSize650);
1112 aFont.SetColor( COL_BLACK );
1113 rOutDev.SetFont(aFont);
1114
1115 Size aTitleSize (GetTextSize(rOutDev, GetDoc()->GetTitle(), aOutRect.GetWidth() - 200));
1116
1117 aFont.SetWeight(WEIGHT_NORMAL);
1118 aFont.SetFontSize(aSize600);
1119 rOutDev.SetFont(aFont);
1120
1121 Size aDescSize (GetTextSize(rOutDev, GetDoc()->GetComment(), aOutRect.GetWidth() - 200));
1122
1123 if (bIsPrintFrame)
1124 rOutDev.DrawRect(tools::Rectangle(aOutRect.TopLeft(),
1125 Size(aOutRect.GetWidth(), 100 + aTitleSize.Height() + 200 + aDescSize.Height() + 100)));
1126 aOutRect.AdjustTop(200 );
1127
1128 // output title
1129 aFont.SetWeight(WEIGHT_BOLD);
1130 aFont.SetFontSize(aSize650);
1131 rOutDev.SetFont(aFont);
1132 Point aPoint(aOutRect.Left() + (aOutRect.GetWidth() - aTitleSize.Width()) / 2,
1133 aOutRect.Top());
1134 DrawText(rOutDev, aPoint, GetDoc()->GetTitle(),
1135 sal::static_int_cast< sal_uInt16 >(aOutRect.GetWidth() - 200));
1136 aOutRect.AdjustTop(aTitleSize.Height() + 200 );
1137
1138 // output description
1139 aFont.SetWeight(WEIGHT_NORMAL);
1140 aFont.SetFontSize(aSize600);
1141 rOutDev.SetFont(aFont);
1142 aPoint.setX( aOutRect.Left() + (aOutRect.GetWidth() - aDescSize.Width()) / 2 );
1143 aPoint.setY( aOutRect.Top() );
1144 DrawText(rOutDev, aPoint, GetDoc()->GetComment(),
1145 sal::static_int_cast< sal_uInt16 >(aOutRect.GetWidth() - 200));
1146 aOutRect.AdjustTop(aDescSize.Height() + 300 );
1147 }
1148
1149 // output text on bottom
1150 if (bIsPrintFormulaText)
1151 {
1152 vcl::Font aFont(FAMILY_DONTKNOW, Size(0, 600));
1153 aFont.SetAlignment(ALIGN_TOP);
1154 aFont.SetColor( COL_BLACK );
1155
1156 // get size
1157 rOutDev.SetFont(aFont);
1158
1159 Size aSize (GetTextSize(rOutDev, GetDoc()->GetText(), aOutRect.GetWidth() - 200));
1160
1161 aOutRect.AdjustBottom( -(aSize.Height() + 600) );
1162
1163 if (bIsPrintFrame)
1164 rOutDev.DrawRect(tools::Rectangle(aOutRect.BottomLeft(),
1165 Size(aOutRect.GetWidth(), 200 + aSize.Height() + 200)));
1166
1167 Point aPoint (aOutRect.Left() + (aOutRect.GetWidth() - aSize.Width()) / 2,
1168 aOutRect.Bottom() + 300);
1169 DrawText(rOutDev, aPoint, GetDoc()->GetText(),
1170 sal::static_int_cast< sal_uInt16 >(aOutRect.GetWidth() - 200));
1171 aOutRect.AdjustBottom( -200 );
1172 }
1173
1174 if (bIsPrintFrame)
1175 rOutDev.DrawRect(aOutRect);
1176
1177 aOutRect.AdjustTop(100 );
1178 aOutRect.AdjustLeft(100 );
1179 aOutRect.AdjustBottom( -100 );
1180 aOutRect.AdjustRight( -100 );
1181
1182 Size aSize (GetDoc()->GetSize());
1183
1184 MapMode OutputMapMode;
1185 // PDF export should always use PRINT_SIZE_NORMAL ...
1186 if (!rPrintUIOptions.getBoolValue( "IsPrinter" ) )
1187 ePrintSize = PRINT_SIZE_NORMAL;
1188 switch (ePrintSize)
1189 {
1190 case PRINT_SIZE_NORMAL:
1191 OutputMapMode = MapMode(MapUnit::Map100thMM);
1192 break;
1193
1194 case PRINT_SIZE_SCALED:
1195 if (!aSize.IsEmpty())
1196 {
1197 Size OutputSize (rOutDev.LogicToPixel(Size(aOutRect.GetWidth(),
1198 aOutRect.GetHeight()), MapMode(MapUnit::Map100thMM)));
1199 Size GraphicSize (rOutDev.LogicToPixel(aSize, MapMode(MapUnit::Map100thMM)));
1200 sal_uInt16 nZ = sal::static_int_cast<sal_uInt16>(std::min(long(Fraction(OutputSize.Width() * 100, GraphicSize.Width())),
1201 long(Fraction(OutputSize.Height() * 100, GraphicSize.Height()))));
1202 nZ -= 10;
1203 Fraction aFraction (std::max(MINZOOMsal_uInt16(25), std::min(MAXZOOMsal_uInt16(800), nZ)), 100);
1204
1205 OutputMapMode = MapMode(MapUnit::Map100thMM, Point(), aFraction, aFraction);
1206 }
1207 else
1208 OutputMapMode = MapMode(MapUnit::Map100thMM);
1209 break;
1210
1211 case PRINT_SIZE_ZOOMED:
1212 {
1213 Fraction aFraction( nZoomFactor, 100 );
1214
1215 OutputMapMode = MapMode(MapUnit::Map100thMM, Point(), aFraction, aFraction);
1216 break;
1217 }
1218 }
1219
1220 aSize = rOutDev.PixelToLogic(rOutDev.LogicToPixel(aSize, OutputMapMode),
1221 MapMode(MapUnit::Map100thMM));
1222
1223 Point aPos (aOutRect.Left() + (aOutRect.GetWidth() - aSize.Width()) / 2,
1224 aOutRect.Top() + (aOutRect.GetHeight() - aSize.Height()) / 2);
1225
1226 aPos = rOutDev.PixelToLogic(rOutDev.LogicToPixel(aPos, MapMode(MapUnit::Map100thMM)),
1227 OutputMapMode);
1228 aOutRect = rOutDev.PixelToLogic(rOutDev.LogicToPixel(aOutRect, MapMode(MapUnit::Map100thMM)),
1229 OutputMapMode);
1230
1231 rOutDev.SetMapMode(OutputMapMode);
1232 rOutDev.SetClipRegion(vcl::Region(aOutRect));
1233 GetDoc()->DrawFormula(rOutDev, aPos);
1234 rOutDev.SetClipRegion();
1235
1236 rOutDev.Pop();
1237}
1238
1239SfxPrinter* SmViewShell::GetPrinter(bool bCreate)
1240{
1241 SmDocShell* pDoc = GetDoc();
1242 if (pDoc->HasPrinter() || bCreate)
1243 return pDoc->GetPrinter();
1244 return nullptr;
1245}
1246
1247sal_uInt16 SmViewShell::SetPrinter(SfxPrinter *pNewPrinter, SfxPrinterChangeFlags nDiffFlags )
1248{
1249 SfxPrinter *pOld = GetDoc()->GetPrinter();
1250 if ( pOld && pOld->IsPrinting() )
1251 return SFX_PRINTERROR_BUSY1;
1252
1253 if ((nDiffFlags & SfxPrinterChangeFlags::PRINTER) == SfxPrinterChangeFlags::PRINTER)
1254 GetDoc()->SetPrinter( pNewPrinter );
1255
1256 if ((nDiffFlags & SfxPrinterChangeFlags::OPTIONS) == SfxPrinterChangeFlags::OPTIONS)
1257 {
1258 SmModule *pp = SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) );
1259 pp->GetConfig()->ItemSetToConfig(pNewPrinter->GetOptions());
1260 }
1261 return 0;
1262}
1263
1264bool SmViewShell::HasPrintOptionsPage() const
1265{
1266 return true;
1267}
1268
1269std::unique_ptr<SfxTabPage> SmViewShell::CreatePrintOptionsPage(weld::Container* pPage, weld::DialogController* pController,
1270 const SfxItemSet &rOptions)
1271{
1272 return SmPrintOptionsTabPage::Create(pPage, pController, rOptions);
1273}
1274
1275SmEditWindow *SmViewShell::GetEditWindow()
1276{
1277 SmCmdBoxWrapper* pWrapper = static_cast<SmCmdBoxWrapper*>(
1278 GetViewFrame()->GetChildWindow(SmCmdBoxWrapper::GetChildWindowId()));
1279
1280 if (pWrapper != nullptr)
1281 {
1282 SmEditWindow& rEditWin = pWrapper->GetEditWindow();
1283 return &rEditWin;
1284 }
1285
1286 return nullptr;
1287}
1288
1289void SmViewShell::SetStatusText(const OUString& rText)
1290{
1291 maStatusText = rText;
1292 GetViewFrame()->GetBindings().Invalidate(SID_TEXTSTATUS((30000 + 256) + 111));
1293}
1294
1295void SmViewShell::ShowError(const SmErrorDesc* pErrorDesc)
1296{
1297 assert(GetDoc())(static_cast <bool> (GetDoc()) ? void (0) : __assert_fail
("GetDoc()", "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 1297, __extension__ __PRETTY_FUNCTION__));
1298 if (pErrorDesc || nullptr != (pErrorDesc = GetDoc()->GetParser().GetError()) )
1299 {
1300 SetStatusText( pErrorDesc->m_aText );
1301 GetEditWindow()->MarkError( Point( pErrorDesc->m_pNode->GetColumn(),
1302 pErrorDesc->m_pNode->GetRow()));
1303 }
1304}
1305
1306void SmViewShell::NextError()
1307{
1308 assert(GetDoc())(static_cast <bool> (GetDoc()) ? void (0) : __assert_fail
("GetDoc()", "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 1308, __extension__ __PRETTY_FUNCTION__));
1309 const SmErrorDesc *pErrorDesc = GetDoc()->GetParser().NextError();
1310
1311 if (pErrorDesc)
1312 ShowError( pErrorDesc );
1313}
1314
1315void SmViewShell::PrevError()
1316{
1317 assert(GetDoc())(static_cast <bool> (GetDoc()) ? void (0) : __assert_fail
("GetDoc()", "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 1317, __extension__ __PRETTY_FUNCTION__));
1318 const SmErrorDesc *pErrorDesc = GetDoc()->GetParser().PrevError();
1319
1320 if (pErrorDesc)
1321 ShowError( pErrorDesc );
1322}
1323
1324void SmViewShell::Insert( SfxMedium& rMedium )
1325{
1326 SmDocShell *pDoc = GetDoc();
1327 bool bRet = false;
1328
1329 uno::Reference <embed::XStorage> xStorage = rMedium.GetStorage();
1330 if (xStorage.is() && xStorage->getElementNames().hasElements())
1331 {
1332 if (xStorage->hasByName("content.xml"))
1333 {
1334 // is this a fabulous math package ?
1335 Reference<css::frame::XModel> xModel(pDoc->GetModel());
1336 SmXMLImportWrapper aEquation(xModel); //!! modifies the result of pDoc->GetText() !!
1337 bRet = ERRCODE_NONEErrCode(0) == aEquation.Import(rMedium);
1338 }
1339 }
1340
1341 if (!bRet)
1342 return;
1343
1344 OUString aText = pDoc->GetText();
1345 SmEditWindow *pEditWin = GetEditWindow();
1346 if (pEditWin)
1347 pEditWin->InsertText( aText );
1348 else
1349 {
1350 SAL_WARN( "starmath", "EditWindow missing" )do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "starmath")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "EditWindow missing")
== 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1350" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "EditWindow missing"), 0); } else { ::
std::ostringstream sal_detail_stream; sal_detail_stream <<
"EditWindow missing"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN
), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1350" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "EditWindow missing") == 1) { ::sal_detail_log( (
::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1350" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "EditWindow missing"), 0); } else { ::
std::ostringstream sal_detail_stream; sal_detail_stream <<
"EditWindow missing"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN
), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1350" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1351 }
1352
1353 pDoc->Parse();
1354 pDoc->SetModified();
1355
1356 SfxBindings &rBnd = GetViewFrame()->GetBindings();
1357 rBnd.Invalidate(SID_GAPHIC_SM((30000 + 256) + 101));
1358 rBnd.Invalidate(SID_TEXT((30000 + 256) + 100));
1359}
1360
1361void SmViewShell::InsertFrom(SfxMedium &rMedium)
1362{
1363 bool bSuccess = false;
1364 SmDocShell* pDoc = GetDoc();
1365 SvStream* pStream = rMedium.GetInStream();
1366
1367 if (pStream)
1368 {
1369 const OUString& rFltName = rMedium.GetFilter()->GetFilterName();
1370 if ( rFltName == MATHML_XML"MathML XML (Math)" )
1371 {
1372 Reference<css::frame::XModel> xModel(pDoc->GetModel());
1373 SmXMLImportWrapper aEquation(xModel); //!! modifies the result of pDoc->GetText() !!
1374 bSuccess = ERRCODE_NONEErrCode(0) == aEquation.Import(rMedium);
1375 }
1376 }
1377
1378 if (!bSuccess)
1379 return;
1380
1381 OUString aText = pDoc->GetText();
1382 SmEditWindow *pEditWin = GetEditWindow();
1383 if (pEditWin)
1384 pEditWin->InsertText(aText);
1385 else
1386 SAL_WARN( "starmath", "EditWindow missing" )do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "starmath")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "EditWindow missing")
== 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1386" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "EditWindow missing"), 0); } else { ::
std::ostringstream sal_detail_stream; sal_detail_stream <<
"EditWindow missing"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN
), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1386" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "EditWindow missing") == 1) { ::sal_detail_log( (
::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1386" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "EditWindow missing"), 0); } else { ::
std::ostringstream sal_detail_stream; sal_detail_stream <<
"EditWindow missing"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN
), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1386" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1387
1388 pDoc->Parse();
1389 pDoc->SetModified();
1390
1391 SfxBindings& rBnd = GetViewFrame()->GetBindings();
1392 rBnd.Invalidate(SID_GAPHIC_SM((30000 + 256) + 101));
1393 rBnd.Invalidate(SID_TEXT((30000 + 256) + 100));
1394}
1395
1396void SmViewShell::Execute(SfxRequest& rReq)
1397{
1398 SmEditWindow *pWin = GetEditWindow();
1399
1400 switch (rReq.GetSlot())
1401 {
1402 case SID_FORMULACURSOR((30000 + 256) + 15):
1403 {
1404 SmModule *pp = SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) );
1405
1406 const SfxItemSet *pArgs = rReq.GetArgs();
1407 const SfxPoolItem *pItem;
1408
1409 bool bVal;
1410 if ( pArgs &&
1411 SfxItemState::SET == pArgs->GetItemState( SID_FORMULACURSOR((30000 + 256) + 15), false, &pItem))
1412 bVal = static_cast<const SfxBoolItem *>(pItem)->GetValue();
1413 else
1414 bVal = !pp->GetConfig()->IsShowFormulaCursor();
1415
1416 pp->GetConfig()->SetShowFormulaCursor(bVal);
1417 if (!IsInlineEditEnabled())
1418 GetGraphicWindow().ShowCursor(bVal);
1419 break;
1420 }
1421 case SID_DRAW((30000 + 256) + 12):
1422 if (pWin)
1423 {
1424 GetDoc()->SetText( pWin->GetText() );
1425 SetStatusText(OUString());
1426 ShowError( nullptr );
1427 GetDoc()->Repaint();
1428 }
1429 break;
1430
1431 case SID_ZOOM_OPTIMAL((27000 +99)):
1432 mpGraphic->ZoomToFitInWindow();
1433 break;
1434
1435 case SID_ZOOMIN((30000 + 256) + 10):
1436 mpGraphic->SetZoom(mpGraphic->GetZoom() + 25);
1437 break;
1438
1439 case SID_ZOOMOUT((30000 + 256) + 11):
1440 SAL_WARN_IF( mpGraphic->GetZoom() < 25, "starmath", "incorrect sal_uInt16 argument" )do { if (true && (mpGraphic->GetZoom() < 25)) {
switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN, "starmath"
)) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case SAL_DETAIL_LOG_ACTION_LOG
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "incorrect sal_uInt16 argument") == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1440" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "incorrect sal_uInt16 argument"), 0)
; } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "incorrect sal_uInt16 argument"; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1440" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "incorrect sal_uInt16 argument") == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1440" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "incorrect sal_uInt16 argument"), 0)
; } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "incorrect sal_uInt16 argument"; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1440" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1441 mpGraphic->SetZoom(mpGraphic->GetZoom() - 25);
1442 break;
1443
1444 case SID_COPYOBJECT((30000 + 256) + 117):
1445 {
1446 //TODO/LATER: does not work because of UNO Tunneling - will be fixed later
1447 Reference< datatransfer::XTransferable > xTrans( GetDoc()->GetModel(), uno::UNO_QUERY );
1448 if( xTrans.is() )
1449 {
1450 auto pTrans = comphelper::getUnoTunnelImplementation<TransferableHelper>(xTrans);
1451 if( pTrans )
1452 pTrans->CopyToClipboard(GetEditWindow());
1453 }
1454 }
1455 break;
1456
1457 case SID_PASTEOBJECT((30000 + 256) + 118):
1458 {
1459 TransferableDataHelper aData( TransferableDataHelper::CreateFromSystemClipboard(GetEditWindow()) );
1460 uno::Reference < io::XInputStream > xStrm;
1461 SotClipboardFormatId nId;
1462 if( aData.GetTransferable().is() &&
1463 ( aData.HasFormat( nId = SotClipboardFormatId::EMBEDDED_OBJ ) ||
1464 (aData.HasFormat( SotClipboardFormatId::OBJECTDESCRIPTOR ) &&
1465 aData.HasFormat( nId = SotClipboardFormatId::EMBED_SOURCE ))))
1466 xStrm = aData.GetInputStream(nId, OUString());
1467
1468 if (xStrm.is())
1469 {
1470 try
1471 {
1472 uno::Reference < embed::XStorage > xStorage =
1473 ::comphelper::OStorageHelper::GetStorageFromInputStream( xStrm, ::comphelper::getProcessComponentContext() );
1474 SfxMedium aMedium( xStorage, OUString() );
1475 Insert( aMedium );
1476 GetDoc()->UpdateText();
1477 }
1478 catch (uno::Exception &)
1479 {
1480 SAL_WARN( "starmath", "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream" )do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "starmath")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1480" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1480" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1480" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "SmViewShell::Execute (SID_PASTEOBJECT): failed to get storage from input stream"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1480" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1481 }
1482 }
1483 }
1484 break;
1485
1486
1487 case SID_CUT(5000 + 710):
1488 if (pWin)
1489 pWin->Cut();
1490 break;
1491
1492 case SID_COPY(5000 + 711):
1493 if (pWin)
1494 {
1495 if (pWin->IsAllSelected())
1496 {
1497 GetViewFrame()->GetDispatcher()->ExecuteList(
1498 SID_COPYOBJECT((30000 + 256) + 117), SfxCallMode::RECORD,
1499 { new SfxVoidItem(SID_COPYOBJECT((30000 + 256) + 117)) });
1500 }
1501 else
1502 pWin->Copy();
1503 }
1504 break;
1505
1506 case SID_PASTE(5000 + 712):
1507 {
1508 bool bCallExec = nullptr == pWin;
1509 if( !bCallExec )
1510 {
1511 TransferableDataHelper aDataHelper(
1512 TransferableDataHelper::CreateFromSystemClipboard(
1513 GetEditWindow()) );
1514
1515 if( aDataHelper.GetTransferable().is() &&
1516 aDataHelper.HasFormat( SotClipboardFormatId::STRING ))
1517 pWin->Paste();
1518 else
1519 bCallExec = true;
1520 }
1521 if( bCallExec )
1522 {
1523 GetViewFrame()->GetDispatcher()->ExecuteList(
1524 SID_PASTEOBJECT((30000 + 256) + 118), SfxCallMode::RECORD,
1525 { new SfxVoidItem(SID_PASTEOBJECT((30000 + 256) + 118)) });
1526 }
1527 }
1528 break;
1529
1530 case SID_DELETE(5000 + 713):
1531 if (pWin)
1532 pWin->Delete();
1533 break;
1534
1535 case SID_SELECT(5000 + 720):
1536 if (pWin)
1537 pWin->SelectAll();
1538 break;
1539
1540 case SID_INSERTCOMMANDTEXT((30000 + 256) + 106):
1541 {
1542 const SfxStringItem& rItem = static_cast<const SfxStringItem&>(rReq.GetArgs()->Get(SID_INSERTCOMMANDTEXT((30000 + 256) + 106)));
1543
1544 if (pWin && (mbInsertIntoEditWindow || !IsInlineEditEnabled()))
1545 {
1546 pWin->InsertText(rItem.GetValue());
1547 }
1548 if (IsInlineEditEnabled() && (GetDoc() && !mbInsertIntoEditWindow))
1549 {
1550 GetDoc()->GetCursor().InsertCommandText(rItem.GetValue());
1551 GetGraphicWindow().GrabFocus();
1552 }
1553 break;
1554
1555 }
1556
1557 case SID_INSERTSPECIAL((30000 + 256) + 104):
1558 {
1559 const SfxStringItem& rItem =
1560 static_cast<const SfxStringItem&>(rReq.GetArgs()->Get(SID_INSERTSPECIAL((30000 + 256) + 104)));
1561
1562 if (pWin && (mbInsertIntoEditWindow || !IsInlineEditEnabled()))
1563 pWin->InsertText(rItem.GetValue());
1564 if (IsInlineEditEnabled() && (GetDoc() && !mbInsertIntoEditWindow))
1565 GetDoc()->GetCursor().InsertSpecial(rItem.GetValue());
1566 break;
1567 }
1568
1569 case SID_IMPORT_FORMULA((30000 + 256) + 58):
1570 {
1571 mpImpl->pRequest.reset(new SfxRequest( rReq ));
1572 mpImpl->pDocInserter.reset(new ::sfx2::DocumentInserter(pWin ? pWin->GetFrameWeld() : nullptr,
1573 GetDoc()->GetFactory().GetFactoryName()));
1574 mpImpl->pDocInserter->StartExecuteModal( LINK( this, SmViewShell, DialogClosedHdl )::tools::detail::makeLink( ::tools::detail::castTo<SmViewShell
*>(this), &SmViewShell::LinkStubDialogClosedHdl) );
1575 break;
1576 }
1577
1578 case SID_IMPORT_MATHML_CLIPBOARD((30000 + 256) + 59):
1579 {
1580 TransferableDataHelper aDataHelper( TransferableDataHelper::CreateFromSystemClipboard(GetEditWindow()) );
1581 uno::Reference < io::XInputStream > xStrm;
1582 if ( aDataHelper.GetTransferable().is() )
1583 {
1584 SotClipboardFormatId nId = SotClipboardFormatId::MATHML;
1585 if (aDataHelper.HasFormat(nId))
1586 {
1587 xStrm = aDataHelper.GetInputStream(nId, "");
1588 if (xStrm.is())
1589 {
1590 std::unique_ptr<SfxMedium> pClipboardMedium(new SfxMedium());
1591 pClipboardMedium->GetItemSet(); //generate initial itemset, not sure if necessary
1592 std::shared_ptr<const SfxFilter> pMathFilter =
1593 SfxFilter::GetFilterByName(MATHML_XML"MathML XML (Math)");
1594 pClipboardMedium->SetFilter(pMathFilter);
1595 pClipboardMedium->setStreamToLoadFrom(xStrm, true /*bIsReadOnly*/);
1596 InsertFrom(*pClipboardMedium);
1597 GetDoc()->UpdateText();
1598 }
1599 }
1600 else
1601 {
1602 nId = SotClipboardFormatId::STRING;
1603 if (aDataHelper.HasFormat(nId))
1604 {
1605 // In case of FORMAT_STRING no stream exists, need to generate one
1606 OUString aString;
1607 if (aDataHelper.GetString( nId, aString))
1608 {
1609 // tdf#117091 force xml declaration to exist
1610 if (!aString.startsWith("<?xml"))
1611 aString = "<?xml version=\"1.0\"?>\n" + aString;
1612
1613 std::unique_ptr<SfxMedium> pClipboardMedium(new SfxMedium());
1614 pClipboardMedium->GetItemSet(); //generates initial itemset, not sure if necessary
1615 std::shared_ptr<const SfxFilter> pMathFilter =
1616 SfxFilter::GetFilterByName(MATHML_XML"MathML XML (Math)");
1617 pClipboardMedium->SetFilter(pMathFilter);
1618
1619 std::unique_ptr<SvMemoryStream> pStrm;
1620 // The text to be imported might asserts encoding like 'encoding="utf-8"' but FORMAT_STRING is UTF-16.
1621 // Force encoding to UTF-16, if encoding exists.
1622 bool bForceUTF16 = false;
1623 sal_Int32 nPosL = aString.indexOf("encoding=\"");
1624 sal_Int32 nPosU = -1;
1625 if ( nPosL >= 0 && nPosL +10 < aString.getLength() )
1626 {
1627 nPosL += 10;
1628 nPosU = aString.indexOf( '"',nPosL);
1629 if (nPosU > nPosL)
1630 {
1631 bForceUTF16 = true;
1632 }
1633 }
1634 if ( bForceUTF16 )
1635 {
1636 OUString aNewString = aString.replaceAt( nPosL,nPosU-nPosL,"UTF-16");
1637 pStrm.reset(new SvMemoryStream( const_cast<sal_Unicode *>(aNewString.getStr()), aNewString.getLength() * sizeof(sal_Unicode), StreamMode::READ));
1638 }
1639 else
1640 {
1641 pStrm.reset(new SvMemoryStream( const_cast<sal_Unicode *>(aString.getStr()), aString.getLength() * sizeof(sal_Unicode), StreamMode::READ));
1642 }
1643 uno::Reference<io::XInputStream> xStrm2( new ::utl::OInputStreamWrapper(*pStrm) );
1644 pClipboardMedium->setStreamToLoadFrom(xStrm2, true /*bIsReadOnly*/);
1645 InsertFrom(*pClipboardMedium);
1646 GetDoc()->UpdateText();
1647 }
1648 }
1649 }
1650 }
1651 break;
1652 }
1653
1654 case SID_NEXTERR((30000 + 256) + 1):
1655 NextError();
1656 if (pWin)
1657 pWin->GrabFocus();
1658 break;
1659
1660 case SID_PREVERR((30000 + 256) + 2):
1661 PrevError();
1662 if (pWin)
1663 pWin->GrabFocus();
1664 break;
1665
1666 case SID_NEXTMARK((30000 + 256) + 3):
1667 if (pWin)
1668 {
1669 pWin->SelNextMark();
1670 pWin->GrabFocus();
1671 }
1672 break;
1673
1674 case SID_PREVMARK((30000 + 256) + 4):
1675 if (pWin)
1676 {
1677 pWin->SelPrevMark();
1678 pWin->GrabFocus();
1679 }
1680 break;
1681
1682 case SID_TEXTSTATUS((30000 + 256) + 111):
1683 {
1684 if (rReq.GetArgs() != nullptr)
1685 {
1686 const SfxStringItem& rItem =
1687 static_cast<const SfxStringItem&>(rReq.GetArgs()->Get(SID_TEXTSTATUS((30000 + 256) + 111)));
1688
1689 SetStatusText(rItem.GetValue());
1690 }
1691
1692 break;
1693 }
1694
1695 case SID_GETEDITTEXT((30000 + 256) + 121):
1696 if (pWin && !pWin->GetText().isEmpty())
1697 GetDoc()->SetText( pWin->GetText() );
1698 break;
1699
1700 case SID_ATTR_ZOOMTypedWhichId<SvxZoomItem>(10000 + 0):
1701 {
1702 if ( !GetViewFrame()->GetFrame().IsInPlace() )
1703 {
1704 const SfxItemSet *pSet = rReq.GetArgs();
1705 if ( pSet )
1706 {
1707 ZoomByItemSet(pSet);
1708 }
1709 else
1710 {
1711 SfxItemSet aSet( SmDocShell::GetPool(), svl::Items<SID_ATTR_ZOOMTypedWhichId<SvxZoomItem>(10000 + 0), SID_ATTR_ZOOMTypedWhichId<SvxZoomItem>(10000 + 0)>{});
1712 aSet.Put( SvxZoomItem( SvxZoomType::PERCENT, mpGraphic->GetZoom()));
1713 SvxAbstractDialogFactory* pFact = SvxAbstractDialogFactory::Create();
1714 ScopedVclPtr<AbstractSvxZoomDialog> xDlg(pFact->CreateSvxZoomDialog(GetViewFrame()->GetWindow().GetFrameWeld(), aSet));
1715 xDlg->SetLimits( MINZOOMsal_uInt16(25), MAXZOOMsal_uInt16(800) );
1716 if (xDlg->Execute() != RET_CANCEL)
1717 ZoomByItemSet(xDlg->GetOutputItemSet());
1718 }
1719 }
1720 }
1721 break;
1722
1723 case SID_ATTR_ZOOMSLIDER( 10000 + 1065 ):
1724 {
1725 const SfxItemSet *pArgs = rReq.GetArgs();
1726 const SfxPoolItem* pItem;
1727
1728 if ( pArgs && SfxItemState::SET == pArgs->GetItemState(SID_ATTR_ZOOMSLIDER( 10000 + 1065 ), true, &pItem ) )
1729 {
1730 const sal_uInt16 nCurrentZoom = static_cast<const SvxZoomSliderItem *>(pItem)->GetValue();
1731 mpGraphic->SetZoom( nCurrentZoom );
1732 }
1733 }
1734 break;
1735
1736 case SID_ELEMENTSDOCKINGWINDOW((30000 + 256) + 126):
1737 {
1738 GetViewFrame()->ToggleChildWindow( SmElementsDockingWindowWrapper::GetChildWindowId() );
1739 GetViewFrame()->GetBindings().Invalidate( SID_ELEMENTSDOCKINGWINDOW((30000 + 256) + 126) );
1740
1741 rReq.Ignore ();
1742 }
1743 break;
1744
1745 case SID_UNICODE_NOTATION_TOGGLE(5000 + 792):
1746 {
1747 EditEngine* pEditEngine = nullptr;
1748 if( pWin )
1749 pEditEngine = pWin->GetEditEngine();
1750
1751 EditView* pEditView = nullptr;
1752 if( pEditEngine )
1753 pEditView = pEditEngine->GetView();
1754
1755 if( pEditView )
1756 {
1757 const OUString sInput = pEditView->GetSurroundingText();
1758 ESelection aSel( pWin->GetSelection() );
1759
1760 if ( aSel.nStartPos > aSel.nEndPos )
1761 aSel.nEndPos = aSel.nStartPos;
1762
1763 //calculate a valid end-position by reading logical characters
1764 sal_Int32 nUtf16Pos=0;
1765 while( (nUtf16Pos < sInput.getLength()) && (nUtf16Pos < aSel.nEndPos) )
1766 {
1767 sInput.iterateCodePoints(&nUtf16Pos);
1768 if( nUtf16Pos > aSel.nEndPos )
1769 aSel.nEndPos = nUtf16Pos;
1770 }
1771
1772 ToggleUnicodeCodepoint aToggle;
1773 while( nUtf16Pos && aToggle.AllowMoreInput( sInput[nUtf16Pos-1]) )
1774 --nUtf16Pos;
1775 const OUString sReplacement = aToggle.ReplacementString();
1776 if( !sReplacement.isEmpty() )
1777 {
1778 pEditView->SetSelection( aSel );
1779 pEditEngine->UndoActionStart(EDITUNDO_REPLACEALL119);
1780 aSel.nStartPos = aSel.nEndPos - aToggle.StringToReplace().getLength();
1781 pWin->SetSelection( aSel );
1782 pEditView->InsertText( sReplacement, true );
1783 pEditEngine->UndoActionEnd();
1784 pWin->Flush();
1785 }
1786 }
1787 }
1788 break;
1789
1790 case SID_SYMBOLS_CATALOGUE((30000 + 256) + 5):
1791 {
1792
1793 // get device used to retrieve the FontList
1794 SmDocShell *pDoc = GetDoc();
1795 OutputDevice *pDev = pDoc->GetPrinter();
1796 if (!pDev || pDev->GetDevFontCount() == 0)
1797 pDev = &SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) )->GetDefaultVirtualDev();
1798 SAL_WARN_IF( !pDev, "starmath", "device for font list missing" )do { if (true && (!pDev)) { switch (sal_detail_log_report
(::SAL_DETAIL_LOG_LEVEL_WARN, "starmath")) { case SAL_DETAIL_LOG_ACTION_IGNORE
: break; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail
::getResult( ::sal::detail::StreamStart() << "device for font list missing"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"
), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1798" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "device for font list missing"), 0);
} else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "device for font list missing"; ::sal::detail::log(
(::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1798" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "device for font list missing") == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1798" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "device for font list missing"), 0);
} else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "device for font list missing"; ::sal::detail::log(
(::SAL_DETAIL_LOG_LEVEL_WARN), ("starmath"), ("/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
":" "1798" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1799
1800 SmModule *pp = SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) );
1801 SmSymbolDialog aDialog(pWin ? pWin->GetFrameWeld() : nullptr, pDev, pp->GetSymbolManager(), *this);
1802 aDialog.run();
1803 }
1804 break;
1805 }
1806 rReq.Done();
1807}
1808
1809
1810void SmViewShell::GetState(SfxItemSet &rSet)
1811{
1812 SfxWhichIter aIter(rSet);
1813
1814 SmEditWindow *pEditWin = GetEditWindow();
1815 for (sal_uInt16 nWh = aIter.FirstWhich(); nWh != 0; nWh = aIter.NextWhich())
1816 {
1817 switch (nWh)
1818 {
1819 case SID_CUT(5000 + 710):
1820 case SID_COPY(5000 + 711):
1821 case SID_DELETE(5000 + 713):
1822 if (! pEditWin || ! pEditWin->IsSelected())
1823 rSet.DisableItem(nWh);
1824 break;
1825
1826 case SID_PASTE(5000 + 712):
1827 if (pEditWin)
1828 {
1829 TransferableDataHelper aDataHelper(
1830 TransferableDataHelper::CreateFromSystemClipboard(
1831 pEditWin) );
1832
1833 mbPasteState = aDataHelper.GetTransferable().is() &&
1834 ( aDataHelper.HasFormat( SotClipboardFormatId::STRING ) ||
1835 aDataHelper.HasFormat( SotClipboardFormatId::EMBEDDED_OBJ ) ||
1836 (aDataHelper.HasFormat( SotClipboardFormatId::OBJECTDESCRIPTOR )
1837 && aDataHelper.HasFormat( SotClipboardFormatId::EMBED_SOURCE )));
1838 }
1839 if( !mbPasteState )
1840 rSet.DisableItem( nWh );
1841 break;
1842
1843 case SID_ATTR_ZOOMTypedWhichId<SvxZoomItem>(10000 + 0):
1844 rSet.Put(SvxZoomItem( SvxZoomType::PERCENT, mpGraphic->GetZoom()));
1845 [[fallthrough]];
1846 case SID_ZOOMIN((30000 + 256) + 10):
1847 case SID_ZOOMOUT((30000 + 256) + 11):
1848 case SID_ZOOM_OPTIMAL((27000 +99)):
1849 if ( GetViewFrame()->GetFrame().IsInPlace() )
1850 rSet.DisableItem( nWh );
1851 break;
1852
1853 case SID_ATTR_ZOOMSLIDER( 10000 + 1065 ) :
1854 {
1855 const sal_uInt16 nCurrentZoom = mpGraphic->GetZoom();
1856 SvxZoomSliderItem aZoomSliderItem( nCurrentZoom, MINZOOMsal_uInt16(25), MAXZOOMsal_uInt16(800) );
1857 aZoomSliderItem.AddSnappingPoint( 100 );
1858 rSet.Put( aZoomSliderItem );
1859 }
1860 break;
1861
1862 case SID_NEXTERR((30000 + 256) + 1):
1863 case SID_PREVERR((30000 + 256) + 2):
1864 case SID_NEXTMARK((30000 + 256) + 3):
1865 case SID_PREVMARK((30000 + 256) + 4):
1866 case SID_DRAW((30000 + 256) + 12):
1867 case SID_SELECT(5000 + 720):
1868 if (! pEditWin || pEditWin->IsEmpty())
1869 rSet.DisableItem(nWh);
1870 break;
1871
1872 case SID_TEXTSTATUS((30000 + 256) + 111):
1873 {
1874 rSet.Put(SfxStringItem(nWh, maStatusText));
1875 }
1876 break;
1877
1878 case SID_FORMULACURSOR((30000 + 256) + 15):
1879 {
1880 SmModule *pp = SM_MOD()( static_cast<SmModule*>(SfxApplication::GetModule(SfxToolsModule
::Math)) );
1881 rSet.Put(SfxBoolItem(nWh, pp->GetConfig()->IsShowFormulaCursor()));
1882 }
1883 break;
1884 case SID_ELEMENTSDOCKINGWINDOW((30000 + 256) + 126):
1885 {
1886 bool bState = false;
1887 SfxChildWindow *pChildWnd = GetViewFrame()->
1888 GetChildWindow( SmElementsDockingWindowWrapper::GetChildWindowId() );
1889 if (pChildWnd && pChildWnd->GetWindow()->IsVisible())
1890 bState = true;
1891 rSet.Put(SfxBoolItem(SID_ELEMENTSDOCKINGWINDOW((30000 + 256) + 126), bState));
1892 }
1893 break;
1894 }
1895 }
1896}
1897
1898SmViewShell::SmViewShell(SfxViewFrame *pFrame_, SfxViewShell *)
1899 : SfxViewShell(pFrame_, SfxViewShellFlags::HAS_PRINTOPTIONS)
1900 , mpImpl(new SmViewShell_Impl)
1901 , mpGraphic(VclPtr<SmGraphicWindow>::Create(this))
1902 , maGraphicController(*mpGraphic, SID_GAPHIC_SM((30000 + 256) + 101), pFrame_->GetBindings())
1903 , mbPasteState(false)
1904 , mbInsertIntoEditWindow(false)
1905{
1906 SetStatusText(OUString());
1907 SetWindow(mpGraphic.get());
1908 SfxShell::SetName("SmView");
1909 SfxShell::SetUndoManager( &GetDoc()->GetEditEngine().GetUndoManager() );
1910}
1911
1912
1913SmViewShell::~SmViewShell()
1914{
1915 //!! this view shell is not active anymore !!
1916 // Thus 'SmGetActiveView' will give a 0 pointer.
1917 // Thus we need to supply this view as argument
1918 SmEditWindow *pEditWin = GetEditWindow();
1919 if (pEditWin)
1920 pEditWin->DeleteEditView();
1921 mpGraphic.disposeAndClear();
1922}
1923
1924void SmViewShell::Deactivate( bool bIsMDIActivate )
1925{
1926 SmEditWindow *pEdit = GetEditWindow();
1927 if ( pEdit )
1928 pEdit->Flush();
1929
1930 SfxViewShell::Deactivate( bIsMDIActivate );
1931}
1932
1933void SmViewShell::Activate( bool bIsMDIActivate )
1934{
1935 SfxViewShell::Activate( bIsMDIActivate );
1936
1937 SmEditWindow *pEdit = GetEditWindow();
1938 if ( pEdit )
1939 {
1940 //! Since there is no way to be informed if a "drag and drop"
1941 //! event has taken place, we call SetText here in order to
1942 //! synchronize the GraphicWindow display with the text in the
1943 //! EditEngine.
1944 SmDocShell *pDoc = GetDoc();
1945 pDoc->SetText( pDoc->GetEditEngine().GetText() );
1946
1947 if ( bIsMDIActivate )
1948 pEdit->GrabFocus();
1949 }
1950}
1951
1952IMPL_LINK( SmViewShell, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg, void )void SmViewShell::LinkStubDialogClosedHdl(void * instance, sfx2
::FileDialogHelper* data) { return static_cast<SmViewShell
*>(instance)->DialogClosedHdl(data); } void SmViewShell
::DialogClosedHdl(sfx2::FileDialogHelper* _pFileDlg)
1953{
1954 assert(_pFileDlg && "SmViewShell::DialogClosedHdl(): no file dialog")(static_cast <bool> (_pFileDlg && "SmViewShell::DialogClosedHdl(): no file dialog"
) ? void (0) : __assert_fail ("_pFileDlg && \"SmViewShell::DialogClosedHdl(): no file dialog\""
, "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 1954, __extension__ __PRETTY_FUNCTION__));
1955 assert(mpImpl->pDocInserter && "ScDocShell::DialogClosedHdl(): no document inserter")(static_cast <bool> (mpImpl->pDocInserter &&
"ScDocShell::DialogClosedHdl(): no document inserter") ? void
(0) : __assert_fail ("mpImpl->pDocInserter && \"ScDocShell::DialogClosedHdl(): no document inserter\""
, "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 1955, __extension__ __PRETTY_FUNCTION__));
1956
1957 if ( ERRCODE_NONEErrCode(0) == _pFileDlg->GetError() )
1958 {
1959 std::unique_ptr<SfxMedium> pMedium = mpImpl->pDocInserter->CreateMedium();
1960
1961 if ( pMedium )
1962 {
1963 if ( pMedium->IsStorage() )
1964 Insert( *pMedium );
1965 else
1966 InsertFrom( *pMedium );
1967 pMedium.reset();
1968
1969 SmDocShell* pDoc = GetDoc();
1970 pDoc->UpdateText();
1971 pDoc->ArrangeFormula();
1972 pDoc->Repaint();
1973 // adjust window, repaint, increment ModifyCount,...
1974 GetViewFrame()->GetBindings().Invalidate(SID_GAPHIC_SM((30000 + 256) + 101));
1975 }
1976 }
1977
1978 mpImpl->pRequest->SetReturnValue( SfxBoolItem( mpImpl->pRequest->GetSlot(), true ) );
1979 mpImpl->pRequest->Done();
1980}
1981
1982void SmViewShell::Notify( SfxBroadcaster& , const SfxHint& rHint )
1983{
1984 switch( rHint.GetId() )
1985 {
1986 case SfxHintId::ModeChanged:
1987 case SfxHintId::DocChanged:
1988 GetViewFrame()->GetBindings().InvalidateAll(false);
1989 break;
1990 default:
1991 break;
1992 }
1993}
1994
1995bool SmViewShell::IsInlineEditEnabled() const
1996{
1997 return mpImpl->aOpts.IsExperimentalMode();
1998}
1999
2000void SmViewShell::ZoomByItemSet(const SfxItemSet *pSet)
2001{
2002 assert(pSet)(static_cast <bool> (pSet) ? void (0) : __assert_fail (
"pSet", "/home/maarten/src/libreoffice/core/starmath/source/view.cxx"
, 2002, __extension__ __PRETTY_FUNCTION__));
2003 const SvxZoomItem &rZoom = pSet->Get(SID_ATTR_ZOOMTypedWhichId<SvxZoomItem>(10000 + 0));
2004 switch( rZoom.GetType() )
2005 {
2006 case SvxZoomType::PERCENT:
2007 mpGraphic->SetZoom(sal::static_int_cast<sal_uInt16>(rZoom.GetValue ()));
2008 break;
2009
2010 case SvxZoomType::OPTIMAL:
2011 mpGraphic->ZoomToFitInWindow();
2012 break;
2013
2014 case SvxZoomType::PAGEWIDTH:
2015 case SvxZoomType::WHOLEPAGE:
2016 {
2017 const MapMode aMap( MapUnit::Map100thMM );
2018 SfxPrinter *pPrinter = GetPrinter( true );
2019 tools::Rectangle OutputRect(Point(), pPrinter->GetOutputSize());
2020 Size OutputSize(pPrinter->LogicToPixel(Size(OutputRect.GetWidth(),
2021 OutputRect.GetHeight()), aMap));
2022 Size GraphicSize(pPrinter->LogicToPixel(GetDoc()->GetSize(), aMap));
2023 sal_uInt16 nZ = sal::static_int_cast<sal_uInt16>(std::min(long(Fraction(OutputSize.Width() * 100, GraphicSize.Width())),
2024 long(Fraction(OutputSize.Height() * 100, GraphicSize.Height()))));
2025 mpGraphic->SetZoom (nZ);
2026 break;
2027 }
2028 default:
2029 break;
2030 }
2031}
2032
2033/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
←

/usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/bits/unique_ptr.h

→
1// unique_ptr implementation -*- C++ -*-
2
3// Copyright (C) 2008-2020 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library. This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23// <http://www.gnu.org/licenses/>.
24
25/** @file bits/unique_ptr.h
26 * This is an internal header file, included by other library headers.
27 * Do not attempt to use it directly. @headername{memory}
28 */
29
30#ifndef _UNIQUE_PTR_H1
31#define _UNIQUE_PTR_H1 1
32
33#include <bits/c++config.h>
34#include <debug/assertions.h>
35#include <type_traits>
36#include <utility>
37#include <tuple>
38#include <bits/stl_function.h>
39#include <bits/functional_hash.h>
40#if __cplusplus201703L > 201703L
41# include <compare>
42# include <ostream>
43#endif
44
45namespace std _GLIBCXX_VISIBILITY(default)__attribute__ ((__visibility__ ("default")))
46{
47_GLIBCXX_BEGIN_NAMESPACE_VERSION
48
49 /**
50 * @addtogroup pointer_abstractions
51 * @{
52 */
53
54#if _GLIBCXX_USE_DEPRECATED1
55#pragma GCC diagnostic push
56#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
57 template<typename> class auto_ptr;
58#pragma GCC diagnostic pop
59#endif
60
61 /// Primary template of default_delete, used by unique_ptr for single objects
62 template<typename _Tp>
63 struct default_delete
64 {
65 /// Default constructor
66 constexpr default_delete() noexcept = default;
67
68 /** @brief Converting constructor.
69 *
70 * Allows conversion from a deleter for objects of another type, `_Up`,
71 * only if `_Up*` is convertible to `_Tp*`.
72 */
73 template<typename _Up,
74 typename = _Require<is_convertible<_Up*, _Tp*>>>
75 default_delete(const default_delete<_Up>&) noexcept { }
76
77 /// Calls `delete __ptr`
78 void
79 operator()(_Tp* __ptr) const
80 {
81 static_assert(!is_void<_Tp>::value,
82 "can't delete pointer to incomplete type");
83 static_assert(sizeof(_Tp)>0,
84 "can't delete pointer to incomplete type");
85 delete __ptr;
86 }
87 };
88
89 // _GLIBCXX_RESOLVE_LIB_DEFECTS
90 // DR 740 - omit specialization for array objects with a compile time length
91
92 /// Specialization of default_delete for arrays, used by `unique_ptr<T[]>`
93 template<typename _Tp>
94 struct default_delete<_Tp[]>
95 {
96 public:
97 /// Default constructor
98 constexpr default_delete() noexcept = default;
99
100 /** @brief Converting constructor.
101 *
102 * Allows conversion from a deleter for arrays of another type, such as
103 * a const-qualified version of `_Tp`.
104 *
105 * Conversions from types derived from `_Tp` are not allowed because
106 * it is undefined to `delete[]` an array of derived types through a
107 * pointer to the base type.
108 */
109 template<typename _Up,
110 typename = _Require<is_convertible<_Up(*)[], _Tp(*)[]>>>
111 default_delete(const default_delete<_Up[]>&) noexcept { }
112
113 /// Calls `delete[] __ptr`
114 template<typename _Up>
115 typename enable_if<is_convertible<_Up(*)[], _Tp(*)[]>::value>::type
116 operator()(_Up* __ptr) const
117 {
118 static_assert(sizeof(_Tp)>0,
119 "can't delete pointer to incomplete type");
120 delete [] __ptr;
121 }
122 };
123
124 /// @cond undocumented
125
126 // Manages the pointer and deleter of a unique_ptr
127 template <typename _Tp, typename _Dp>
128 class __uniq_ptr_impl
129 {
130 template <typename _Up, typename _Ep, typename = void>
131 struct _Ptr
132 {
133 using type = _Up*;
134 };
135
136 template <typename _Up, typename _Ep>
137 struct
138 _Ptr<_Up, _Ep, __void_t<typename remove_reference<_Ep>::type::pointer>>
139 {
140 using type = typename remove_reference<_Ep>::type::pointer;
141 };
142
143 public:
144 using _DeleterConstraint = enable_if<
145 __and_<__not_<is_pointer<_Dp>>,
146 is_default_constructible<_Dp>>::value>;
147
148 using pointer = typename _Ptr<_Tp, _Dp>::type;
149
150 static_assert( !is_rvalue_reference<_Dp>::value,
151 "unique_ptr's deleter type must be a function object type"
152 " or an lvalue reference type" );
153
154 __uniq_ptr_impl() = default;
155 __uniq_ptr_impl(pointer __p) : _M_t() { _M_ptr() = __p; }
156
157 template<typename _Del>
158 __uniq_ptr_impl(pointer __p, _Del&& __d)
159 : _M_t(__p, std::forward<_Del>(__d)) { }
160
161 __uniq_ptr_impl(__uniq_ptr_impl&& __u) noexcept
162 : _M_t(std::move(__u._M_t))
163 { __u._M_ptr() = nullptr; }
164
165 __uniq_ptr_impl& operator=(__uniq_ptr_impl&& __u) noexcept
166 {
167 reset(__u.release());
168 _M_deleter() = std::forward<_Dp>(__u._M_deleter());
169 return *this;
170 }
171
172 pointer& _M_ptr() { return std::get<0>(_M_t); }
173 pointer _M_ptr() const { return std::get<0>(_M_t); }
174 _Dp& _M_deleter() { return std::get<1>(_M_t); }
175 const _Dp& _M_deleter() const { return std::get<1>(_M_t); }
176
177 void reset(pointer __p) noexcept
178 {
179 const pointer __old_p = _M_ptr();
180 _M_ptr() = __p;
181 if (__old_p)
182 _M_deleter()(__old_p);
183 }
184
185 pointer release() noexcept
186 {
187 pointer __p = _M_ptr();
188 _M_ptr() = nullptr;
189 return __p;
190 }
191
192 void
193 swap(__uniq_ptr_impl& __rhs) noexcept
194 {
195 using std::swap;
196 swap(this->_M_ptr(), __rhs._M_ptr());
197 swap(this->_M_deleter(), __rhs._M_deleter());
198 }
199
200 private:
201 tuple<pointer, _Dp> _M_t;
202 };
203
204 // Defines move construction + assignment as either defaulted or deleted.
205 template <typename _Tp, typename _Dp,
206 bool = is_move_constructible<_Dp>::value,
207 bool = is_move_assignable<_Dp>::value>
208 struct __uniq_ptr_data : __uniq_ptr_impl<_Tp, _Dp>
209 {
210 using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl;
211 __uniq_ptr_data(__uniq_ptr_data&&) = default;
212 __uniq_ptr_data& operator=(__uniq_ptr_data&&) = default;
213 };
214
215 template <typename _Tp, typename _Dp>
216 struct __uniq_ptr_data<_Tp, _Dp, true, false> : __uniq_ptr_impl<_Tp, _Dp>
217 {
218 using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl;
219 __uniq_ptr_data(__uniq_ptr_data&&) = default;
220 __uniq_ptr_data& operator=(__uniq_ptr_data&&) = delete;
221 };
222
223 template <typename _Tp, typename _Dp>
224 struct __uniq_ptr_data<_Tp, _Dp, false, true> : __uniq_ptr_impl<_Tp, _Dp>
225 {
226 using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl;
227 __uniq_ptr_data(__uniq_ptr_data&&) = delete;
228 __uniq_ptr_data& operator=(__uniq_ptr_data&&) = default;
229 };
230
231 template <typename _Tp, typename _Dp>
232 struct __uniq_ptr_data<_Tp, _Dp, false, false> : __uniq_ptr_impl<_Tp, _Dp>
233 {
234 using __uniq_ptr_impl<_Tp, _Dp>::__uniq_ptr_impl;
235 __uniq_ptr_data(__uniq_ptr_data&&) = delete;
236 __uniq_ptr_data& operator=(__uniq_ptr_data&&) = delete;
237 };
238 /// @endcond
239
240 /// 20.7.1.2 unique_ptr for single objects.
241 template <typename _Tp, typename _Dp = default_delete<_Tp>>
242 class unique_ptr
243 {
244 template <typename _Up>
245 using _DeleterConstraint =
246 typename __uniq_ptr_impl<_Tp, _Up>::_DeleterConstraint::type;
247
248 __uniq_ptr_data<_Tp, _Dp> _M_t;
249
250 public:
251 using pointer = typename __uniq_ptr_impl<_Tp, _Dp>::pointer;
252 using element_type = _Tp;
253 using deleter_type = _Dp;
254
255 private:
256 // helper template for detecting a safe conversion from another
257 // unique_ptr
258 template<typename _Up, typename _Ep>
259 using __safe_conversion_up = __and_<
260 is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>,
261 __not_<is_array<_Up>>
262 >;
263
264 public:
265 // Constructors.
266
267 /// Default constructor, creates a unique_ptr that owns nothing.
268 template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
269 constexpr unique_ptr() noexcept
270 : _M_t()
271 { }
272
273 /** Takes ownership of a pointer.
274 *
275 * @param __p A pointer to an object of @c element_type
276 *
277 * The deleter will be value-initialized.
278 */
279 template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
280 explicit
281 unique_ptr(pointer __p) noexcept
282 : _M_t(__p)
283 { }
284
285 /** Takes ownership of a pointer.
286 *
287 * @param __p A pointer to an object of @c element_type
288 * @param __d A reference to a deleter.
289 *
290 * The deleter will be initialized with @p __d
291 */
292 template<typename _Del = deleter_type,
293 typename = _Require<is_copy_constructible<_Del>>>
294 unique_ptr(pointer __p, const deleter_type& __d) noexcept
295 : _M_t(__p, __d) { }
296
297 /** Takes ownership of a pointer.
298 *
299 * @param __p A pointer to an object of @c element_type
300 * @param __d An rvalue reference to a (non-reference) deleter.
301 *
302 * The deleter will be initialized with @p std::move(__d)
303 */
304 template<typename _Del = deleter_type,
305 typename = _Require<is_move_constructible<_Del>>>
306 unique_ptr(pointer __p,
307 __enable_if_t<!is_lvalue_reference<_Del>::value,
308 _Del&&> __d) noexcept
309 : _M_t(__p, std::move(__d))
310 { }
311
312 template<typename _Del = deleter_type,
313 typename _DelUnref = typename remove_reference<_Del>::type>
314 unique_ptr(pointer,
315 __enable_if_t<is_lvalue_reference<_Del>::value,
316 _DelUnref&&>) = delete;
317
318 /// Creates a unique_ptr that owns nothing.
319 template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
320 constexpr unique_ptr(nullptr_t) noexcept
321 : _M_t()
322 { }
323
324 // Move constructors.
325
326 /// Move constructor.
327 unique_ptr(unique_ptr&&) = default;
328
329 /** @brief Converting constructor from another type
330 *
331 * Requires that the pointer owned by @p __u is convertible to the
332 * type of pointer owned by this object, @p __u does not own an array,
333 * and @p __u has a compatible deleter type.
334 */
335 template<typename _Up, typename _Ep, typename = _Require<
336 __safe_conversion_up<_Up, _Ep>,
337 typename conditional<is_reference<_Dp>::value,
338 is_same<_Ep, _Dp>,
339 is_convertible<_Ep, _Dp>>::type>>
340 unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept
341 : _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter()))
342 { }
343
344#if _GLIBCXX_USE_DEPRECATED1
345#pragma GCC diagnostic push
346#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
347 /// Converting constructor from @c auto_ptr
348 template<typename _Up, typename = _Require<
349 is_convertible<_Up*, _Tp*>, is_same<_Dp, default_delete<_Tp>>>>
350 unique_ptr(auto_ptr<_Up>&& __u) noexcept;
351#pragma GCC diagnostic pop
352#endif
353
354 /// Destructor, invokes the deleter if the stored pointer is not null.
355 ~unique_ptr() noexcept
356 {
357 static_assert(__is_invocable<deleter_type&, pointer>::value,
358 "unique_ptr's deleter must be invocable with a pointer");
359 auto& __ptr = _M_t._M_ptr();
360 if (__ptr != nullptr)
361 get_deleter()(std::move(__ptr));
362 __ptr = pointer();
363 }
364
365 // Assignment.
366
367 /** @brief Move assignment operator.
368 *
369 * Invokes the deleter if this object owns a pointer.
370 */
371 unique_ptr& operator=(unique_ptr&&) = default;
372
373 /** @brief Assignment from another type.
374 *
375 * @param __u The object to transfer ownership from, which owns a
376 * convertible pointer to a non-array object.
377 *
378 * Invokes the deleter if this object owns a pointer.
379 */
380 template<typename _Up, typename _Ep>
381 typename enable_if< __and_<
382 __safe_conversion_up<_Up, _Ep>,
383 is_assignable<deleter_type&, _Ep&&>
384 >::value,
385 unique_ptr&>::type
386 operator=(unique_ptr<_Up, _Ep>&& __u) noexcept
387 {
388 reset(__u.release());
389 get_deleter() = std::forward<_Ep>(__u.get_deleter());
390 return *this;
391 }
392
393 /// Reset the %unique_ptr to empty, invoking the deleter if necessary.
394 unique_ptr&
395 operator=(nullptr_t) noexcept
396 {
397 reset();
398 return *this;
399 }
400
401 // Observers.
402
403 /// Dereference the stored pointer.
404 typename add_lvalue_reference<element_type>::type
405 operator*() const
406 {
407 __glibcxx_assert(get() != pointer());
408 return *get();
409 }
410
411 /// Return the stored pointer.
412 pointer
413 operator->() const noexcept
414 {
415 _GLIBCXX_DEBUG_PEDASSERT(get() != pointer());
416 return get();
417 }
418
419 /// Return the stored pointer.
420 pointer
421 get() const noexcept
422 { return _M_t._M_ptr(); }
423
424 /// Return a reference to the stored deleter.
425 deleter_type&
426 get_deleter() noexcept
427 { return _M_t._M_deleter(); }
428
429 /// Return a reference to the stored deleter.
430 const deleter_type&
431 get_deleter() const noexcept
432 { return _M_t._M_deleter(); }
433
434 /// Return @c true if the stored pointer is not null.
435 explicit operator bool() const noexcept
436 { return get() == pointer() ? false : true; }
437
438 // Modifiers.
439
440 /// Release ownership of any stored pointer.
441 pointer
442 release() noexcept
443 { return _M_t.release(); }
444
445 /** @brief Replace the stored pointer.
446 *
447 * @param __p The new pointer to store.
448 *
449 * The deleter will be invoked if a pointer is already owned.
450 */
451 void
452 reset(pointer __p = pointer()) noexcept
453 {
454 static_assert(__is_invocable<deleter_type&, pointer>::value,
455 "unique_ptr's deleter must be invocable with a pointer");
456 _M_t.reset(std::move(__p));
457 }
458
459 /// Exchange the pointer and deleter with another object.
460 void
461 swap(unique_ptr& __u) noexcept
462 {
463 static_assert(__is_swappable<_Dp>::value, "deleter must be swappable");
464 _M_t.swap(__u._M_t);
465 }
466
467 // Disable copy from lvalue.
468 unique_ptr(const unique_ptr&) = delete;
469 unique_ptr& operator=(const unique_ptr&) = delete;
470 };
471
472 /// 20.7.1.3 unique_ptr for array objects with a runtime length
473 // [unique.ptr.runtime]
474 // _GLIBCXX_RESOLVE_LIB_DEFECTS
475 // DR 740 - omit specialization for array objects with a compile time length
476 template<typename _Tp, typename _Dp>
477 class unique_ptr<_Tp[], _Dp>
478 {
479 template <typename _Up>
480 using _DeleterConstraint =
481 typename __uniq_ptr_impl<_Tp, _Up>::_DeleterConstraint::type;
482
483 __uniq_ptr_data<_Tp, _Dp> _M_t;
484
485 template<typename _Up>
486 using __remove_cv = typename remove_cv<_Up>::type;
487
488 // like is_base_of<_Tp, _Up> but false if unqualified types are the same
489 template<typename _Up>
490 using __is_derived_Tp
491 = __and_< is_base_of<_Tp, _Up>,
492 __not_<is_same<__remove_cv<_Tp>, __remove_cv<_Up>>> >;
493
494 public:
495 using pointer = typename __uniq_ptr_impl<_Tp, _Dp>::pointer;
496 using element_type = _Tp;
497 using deleter_type = _Dp;
498
499 // helper template for detecting a safe conversion from another
500 // unique_ptr
501 template<typename _Up, typename _Ep,
502 typename _UPtr = unique_ptr<_Up, _Ep>,
503 typename _UP_pointer = typename _UPtr::pointer,
504 typename _UP_element_type = typename _UPtr::element_type>
505 using __safe_conversion_up = __and_<
506 is_array<_Up>,
507 is_same<pointer, element_type*>,
508 is_same<_UP_pointer, _UP_element_type*>,
509 is_convertible<_UP_element_type(*)[], element_type(*)[]>
510 >;
511
512 // helper template for detecting a safe conversion from a raw pointer
513 template<typename _Up>
514 using __safe_conversion_raw = __and_<
515 __or_<__or_<is_same<_Up, pointer>,
516 is_same<_Up, nullptr_t>>,
517 __and_<is_pointer<_Up>,
518 is_same<pointer, element_type*>,
519 is_convertible<
520 typename remove_pointer<_Up>::type(*)[],
521 element_type(*)[]>
522 >
523 >
524 >;
525
526 // Constructors.
527
528 /// Default constructor, creates a unique_ptr that owns nothing.
529 template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
530 constexpr unique_ptr() noexcept
531 : _M_t()
532 { }
533
534 /** Takes ownership of a pointer.
535 *
536 * @param __p A pointer to an array of a type safely convertible
537 * to an array of @c element_type
538 *
539 * The deleter will be value-initialized.
540 */
541 template<typename _Up,
542 typename _Vp = _Dp,
543 typename = _DeleterConstraint<_Vp>,
544 typename = typename enable_if<
545 __safe_conversion_raw<_Up>::value, bool>::type>
546 explicit
547 unique_ptr(_Up __p) noexcept
548 : _M_t(__p)
549 { }
550
551 /** Takes ownership of a pointer.
552 *
553 * @param __p A pointer to an array of a type safely convertible
554 * to an array of @c element_type
555 * @param __d A reference to a deleter.
556 *
557 * The deleter will be initialized with @p __d
558 */
559 template<typename _Up, typename _Del = deleter_type,
560 typename = _Require<__safe_conversion_raw<_Up>,
561 is_copy_constructible<_Del>>>
562 unique_ptr(_Up __p, const deleter_type& __d) noexcept
563 : _M_t(__p, __d) { }
564
565 /** Takes ownership of a pointer.
566 *
567 * @param __p A pointer to an array of a type safely convertible
568 * to an array of @c element_type
569 * @param __d A reference to a deleter.
570 *
571 * The deleter will be initialized with @p std::move(__d)
572 */
573 template<typename _Up, typename _Del = deleter_type,
574 typename = _Require<__safe_conversion_raw<_Up>,
575 is_move_constructible<_Del>>>
576 unique_ptr(_Up __p,
577 __enable_if_t<!is_lvalue_reference<_Del>::value,
578 _Del&&> __d) noexcept
579 : _M_t(std::move(__p), std::move(__d))
580 { }
581
582 template<typename _Up, typename _Del = deleter_type,
583 typename _DelUnref = typename remove_reference<_Del>::type,
584 typename = _Require<__safe_conversion_raw<_Up>>>
585 unique_ptr(_Up,
586 __enable_if_t<is_lvalue_reference<_Del>::value,
587 _DelUnref&&>) = delete;
588
589 /// Move constructor.
590 unique_ptr(unique_ptr&&) = default;
591
592 /// Creates a unique_ptr that owns nothing.
593 template<typename _Del = _Dp, typename = _DeleterConstraint<_Del>>
594 constexpr unique_ptr(nullptr_t) noexcept
595 : _M_t()
596 { }
597
598 template<typename _Up, typename _Ep, typename = _Require<
599 __safe_conversion_up<_Up, _Ep>,
600 typename conditional<is_reference<_Dp>::value,
601 is_same<_Ep, _Dp>,
602 is_convertible<_Ep, _Dp>>::type>>
603 unique_ptr(unique_ptr<_Up, _Ep>&& __u) noexcept
604 : _M_t(__u.release(), std::forward<_Ep>(__u.get_deleter()))
605 { }
606
607 /// Destructor, invokes the deleter if the stored pointer is not null.
608 ~unique_ptr()
609 {
610 auto& __ptr = _M_t._M_ptr();
611 if (__ptr != nullptr)
612 get_deleter()(__ptr);
613 __ptr = pointer();
614 }
615
616 // Assignment.
617
618 /** @brief Move assignment operator.
619 *
620 * Invokes the deleter if this object owns a pointer.
621 */
622 unique_ptr&
623 operator=(unique_ptr&&) = default;
624
625 /** @brief Assignment from another type.
626 *
627 * @param __u The object to transfer ownership from, which owns a
628 * convertible pointer to an array object.
629 *
630 * Invokes the deleter if this object owns a pointer.
631 */
632 template<typename _Up, typename _Ep>
633 typename
634 enable_if<__and_<__safe_conversion_up<_Up, _Ep>,
635 is_assignable<deleter_type&, _Ep&&>
636 >::value,
637 unique_ptr&>::type
638 operator=(unique_ptr<_Up, _Ep>&& __u) noexcept
639 {
640 reset(__u.release());
641 get_deleter() = std::forward<_Ep>(__u.get_deleter());
642 return *this;
643 }
644
645 /// Reset the %unique_ptr to empty, invoking the deleter if necessary.
646 unique_ptr&
647 operator=(nullptr_t) noexcept
648 {
649 reset();
650 return *this;
651 }
652
653 // Observers.
654
655 /// Access an element of owned array.
656 typename std::add_lvalue_reference<element_type>::type
657 operator[](size_t __i) const
658 {
659 __glibcxx_assert(get() != pointer());
660 return get()[__i];
661 }
662
663 /// Return the stored pointer.
664 pointer
665 get() const noexcept
666 { return _M_t._M_ptr(); }
667
668 /// Return a reference to the stored deleter.
669 deleter_type&
670 get_deleter() noexcept
671 { return _M_t._M_deleter(); }
672
673 /// Return a reference to the stored deleter.
674 const deleter_type&
675 get_deleter() const noexcept
676 { return _M_t._M_deleter(); }
677
678 /// Return @c true if the stored pointer is not null.
679 explicit operator bool() const noexcept
680 { return get() == pointer() ? false : true; }
681
682 // Modifiers.
683
684 /// Release ownership of any stored pointer.
685 pointer
686 release() noexcept
687 { return _M_t.release(); }
688
689 /** @brief Replace the stored pointer.
690 *
691 * @param __p The new pointer to store.
692 *
693 * The deleter will be invoked if a pointer is already owned.
694 */
695 template <typename _Up,
696 typename = _Require<
697 __or_<is_same<_Up, pointer>,
698 __and_<is_same<pointer, element_type*>,
699 is_pointer<_Up>,
700 is_convertible<
701 typename remove_pointer<_Up>::type(*)[],
702 element_type(*)[]
703 >
704 >
705 >
706 >>
707 void
708 reset(_Up __p) noexcept
709 { _M_t.reset(std::move(__p)); }
710
711 void reset(nullptr_t = nullptr) noexcept
712 { reset(pointer()); }
713
714 /// Exchange the pointer and deleter with another object.
715 void
716 swap(unique_ptr& __u) noexcept
717 {
718 static_assert(__is_swappable<_Dp>::value, "deleter must be swappable");
719 _M_t.swap(__u._M_t);
720 }
721
722 // Disable copy from lvalue.
723 unique_ptr(const unique_ptr&) = delete;
724 unique_ptr& operator=(const unique_ptr&) = delete;
725 };
726
727 /// @relates unique_ptr @{
728
729 /// Swap overload for unique_ptr
730 template<typename _Tp, typename _Dp>
731 inline
732#if __cplusplus201703L > 201402L || !defined(__STRICT_ANSI__1) // c++1z or gnu++11
733 // Constrained free swap overload, see p0185r1
734 typename enable_if<__is_swappable<_Dp>::value>::type
735#else
736 void
737#endif
738 swap(unique_ptr<_Tp, _Dp>& __x,
739 unique_ptr<_Tp, _Dp>& __y) noexcept
740 { __x.swap(__y); }
741
742#if __cplusplus201703L > 201402L || !defined(__STRICT_ANSI__1) // c++1z or gnu++11
743 template<typename _Tp, typename _Dp>
744 typename enable_if<!__is_swappable<_Dp>::value>::type
745 swap(unique_ptr<_Tp, _Dp>&,
746 unique_ptr<_Tp, _Dp>&) = delete;
747#endif
748
749 /// Equality operator for unique_ptr objects, compares the owned pointers
750 template<typename _Tp, typename _Dp,
751 typename _Up, typename _Ep>
752 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
753 operator==(const unique_ptr<_Tp, _Dp>& __x,
754 const unique_ptr<_Up, _Ep>& __y)
755 { return __x.get() == __y.get(); }
756
757 /// unique_ptr comparison with nullptr
758 template<typename _Tp, typename _Dp>
759 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
760 operator==(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept
761 { return !__x; }
762
763#ifndef __cpp_lib_three_way_comparison
764 /// unique_ptr comparison with nullptr
765 template<typename _Tp, typename _Dp>
766 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
767 operator==(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept
768 { return !__x; }
769
770 /// Inequality operator for unique_ptr objects, compares the owned pointers
771 template<typename _Tp, typename _Dp,
772 typename _Up, typename _Ep>
773 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
774 operator!=(const unique_ptr<_Tp, _Dp>& __x,
775 const unique_ptr<_Up, _Ep>& __y)
776 { return __x.get() != __y.get(); }
777
778 /// unique_ptr comparison with nullptr
779 template<typename _Tp, typename _Dp>
780 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
781 operator!=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) noexcept
782 { return (bool)__x; }
783
784 /// unique_ptr comparison with nullptr
785 template<typename _Tp, typename _Dp>
786 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
787 operator!=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x) noexcept
788 { return (bool)__x; }
789#endif // three way comparison
790
791 /// Relational operator for unique_ptr objects, compares the owned pointers
792 template<typename _Tp, typename _Dp,
793 typename _Up, typename _Ep>
794 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
795 operator<(const unique_ptr<_Tp, _Dp>& __x,
796 const unique_ptr<_Up, _Ep>& __y)
797 {
798 typedef typename
799 std::common_type<typename unique_ptr<_Tp, _Dp>::pointer,
800 typename unique_ptr<_Up, _Ep>::pointer>::type _CT;
801 return std::less<_CT>()(__x.get(), __y.get());
802 }
803
804 /// unique_ptr comparison with nullptr
805 template<typename _Tp, typename _Dp>
806 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
807 operator<(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
808 {
809 return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(__x.get(),
810 nullptr);
811 }
812
813 /// unique_ptr comparison with nullptr
814 template<typename _Tp, typename _Dp>
815 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
816 operator<(nullptr_t, const unique_ptr<_Tp, _Dp>& __x)
817 {
818 return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(nullptr,
819 __x.get());
820 }
821
822 /// Relational operator for unique_ptr objects, compares the owned pointers
823 template<typename _Tp, typename _Dp,
824 typename _Up, typename _Ep>
825 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
826 operator<=(const unique_ptr<_Tp, _Dp>& __x,
827 const unique_ptr<_Up, _Ep>& __y)
828 { return !(__y < __x); }
829
830 /// unique_ptr comparison with nullptr
831 template<typename _Tp, typename _Dp>
832 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
833 operator<=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
834 { return !(nullptr < __x); }
835
836 /// unique_ptr comparison with nullptr
837 template<typename _Tp, typename _Dp>
838 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
839 operator<=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x)
840 { return !(__x < nullptr); }
841
842 /// Relational operator for unique_ptr objects, compares the owned pointers
843 template<typename _Tp, typename _Dp,
844 typename _Up, typename _Ep>
845 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
846 operator>(const unique_ptr<_Tp, _Dp>& __x,
847 const unique_ptr<_Up, _Ep>& __y)
848 { return (__y < __x); }
849
850 /// unique_ptr comparison with nullptr
851 template<typename _Tp, typename _Dp>
852 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
853 operator>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
854 {
855 return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(nullptr,
856 __x.get());
857 }
858
859 /// unique_ptr comparison with nullptr
860 template<typename _Tp, typename _Dp>
861 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
862 operator>(nullptr_t, const unique_ptr<_Tp, _Dp>& __x)
863 {
864 return std::less<typename unique_ptr<_Tp, _Dp>::pointer>()(__x.get(),
865 nullptr);
866 }
867
868 /// Relational operator for unique_ptr objects, compares the owned pointers
869 template<typename _Tp, typename _Dp,
870 typename _Up, typename _Ep>
871 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
872 operator>=(const unique_ptr<_Tp, _Dp>& __x,
873 const unique_ptr<_Up, _Ep>& __y)
874 { return !(__x < __y); }
875
876 /// unique_ptr comparison with nullptr
877 template<typename _Tp, typename _Dp>
878 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
879 operator>=(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
880 { return !(__x < nullptr); }
881
882 /// unique_ptr comparison with nullptr
883 template<typename _Tp, typename _Dp>
884 _GLIBCXX_NODISCARD[[__nodiscard__]] inline bool
885 operator>=(nullptr_t, const unique_ptr<_Tp, _Dp>& __x)
886 { return !(nullptr < __x); }
887
888#ifdef __cpp_lib_three_way_comparison
889 template<typename _Tp, typename _Dp, typename _Up, typename _Ep>
890 requires three_way_comparable_with<typename unique_ptr<_Tp, _Dp>::pointer,
891 typename unique_ptr<_Up, _Ep>::pointer>
892 inline
893 compare_three_way_result_t<typename unique_ptr<_Tp, _Dp>::pointer,
894 typename unique_ptr<_Up, _Ep>::pointer>
895 operator<=>(const unique_ptr<_Tp, _Dp>& __x,
896 const unique_ptr<_Up, _Ep>& __y)
897 { return compare_three_way()(__x.get(), __y.get()); }
898
899 template<typename _Tp, typename _Dp>
900 requires three_way_comparable<typename unique_ptr<_Tp, _Dp>::pointer>
901 inline
902 compare_three_way_result_t<typename unique_ptr<_Tp, _Dp>::pointer>
903 operator<=>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t)
904 {
905 using pointer = typename unique_ptr<_Tp, _Dp>::pointer;
906 return compare_three_way()(__x.get(), static_cast<pointer>(nullptr));
907 }
908#endif
909 // @} relates unique_ptr
910
911 /// @cond undocumented
912 template<typename _Up, typename _Ptr = typename _Up::pointer,
913 bool = __poison_hash<_Ptr>::__enable_hash_call>
914 struct __uniq_ptr_hash
915#if ! _GLIBCXX_INLINE_VERSION0
916 : private __poison_hash<_Ptr>
917#endif
918 {
919 size_t
920 operator()(const _Up& __u) const
921 noexcept(noexcept(std::declval<hash<_Ptr>>()(std::declval<_Ptr>())))
922 { return hash<_Ptr>()(__u.get()); }
923 };
924
925 template<typename _Up, typename _Ptr>
926 struct __uniq_ptr_hash<_Up, _Ptr, false>
927 : private __poison_hash<_Ptr>
928 { };
929 /// @endcond
930
931 /// std::hash specialization for unique_ptr.
932 template<typename _Tp, typename _Dp>
933 struct hash<unique_ptr<_Tp, _Dp>>
934 : public __hash_base<size_t, unique_ptr<_Tp, _Dp>>,
935 public __uniq_ptr_hash<unique_ptr<_Tp, _Dp>>
936 { };
937
938#if __cplusplus201703L >= 201402L
939 /// @relates unique_ptr @{
940#define __cpp_lib_make_unique201304 201304
941
942 /// @cond undocumented
943
944 template<typename _Tp>
945 struct _MakeUniq
946 { typedef unique_ptr<_Tp> __single_object; };
947
948 template<typename _Tp>
949 struct _MakeUniq<_Tp[]>
950 { typedef unique_ptr<_Tp[]> __array; };
951
952 template<typename _Tp, size_t _Bound>
953 struct _MakeUniq<_Tp[_Bound]>
954 { struct __invalid_type { }; };
955
956 /// @endcond
957
958 /// std::make_unique for single objects
959 template<typename _Tp, typename... _Args>
960 inline typename _MakeUniq<_Tp>::__single_object
961 make_unique(_Args&&... __args)
962 { return unique_ptr<_Tp>(new _Tp(std::forward<_Args>(__args)...)); }
2
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Calling constructor for 'SmCmdBoxWrapper'
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963
964 /// std::make_unique for arrays of unknown bound
965 template<typename _Tp>
966 inline typename _MakeUniq<_Tp>::__array
967 make_unique(size_t __num)
968 { return unique_ptr<_Tp>(new remove_extent_t<_Tp>[__num]()); }
969
970 /// Disable std::make_unique for arrays of known bound
971 template<typename _Tp, typename... _Args>
972 inline typename _MakeUniq<_Tp>::__invalid_type
973 make_unique(_Args&&...) = delete;
974 // @} relates unique_ptr
975#endif // C++14
976
977#if __cplusplus201703L > 201703L && __cpp_concepts
978 // _GLIBCXX_RESOLVE_LIB_DEFECTS
979 // 2948. unique_ptr does not define operator<< for stream output
980 /// Stream output operator for unique_ptr
981 template<typename _CharT, typename _Traits, typename _Tp, typename _Dp>
982 inline basic_ostream<_CharT, _Traits>&
983 operator<<(basic_ostream<_CharT, _Traits>& __os,
984 const unique_ptr<_Tp, _Dp>& __p)
985 requires requires { __os << __p.get(); }
986 {
987 __os << __p.get();
988 return __os;
989 }
990#endif // C++20
991
992 // @} group pointer_abstractions
993
994#if __cplusplus201703L >= 201703L
995 namespace __detail::__variant
996 {
997 template<typename> struct _Never_valueless_alt; // see <variant>
998
999 // Provide the strong exception-safety guarantee when emplacing a
1000 // unique_ptr into a variant.
1001 template<typename _Tp, typename _Del>
1002 struct _Never_valueless_alt<std::unique_ptr<_Tp, _Del>>
1003 : std::true_type
1004 { };
1005 } // namespace __detail::__variant
1006#endif // C++17
1007
1008_GLIBCXX_END_NAMESPACE_VERSION
1009} // namespace
1010
1011#endif /* _UNIQUE_PTR_H */
←

/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 );
4
←
Memory is allocated
→
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);
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)
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
7.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
7.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
7.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
7.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
7.1
Field 'm_pBody' is non-null
17.1
Field 'm_pBody' is non-null
)
8
←
Taking true branch
→
18
←
Taking true branch
→
113 m_pBody->release();
9
←
Calling 'VclReferenceBase::release'
→
13
←
Returning; memory was released
→
19
←
Use of memory after it is freed
114 }
115
116 /** Set...
117 Similar to assignment.
118 */
119 Reference<reference_type> &
120 SAL_CALL set (reference_type * pBody)
121 {
122 if (pBody)
123 pBody->acquire();
124 reference_type * const pOld = m_pBody;
125 m_pBody = pBody;
126 if (pOld)
127 pOld->release();
128 return *this;
129 }
130
131 /** Assignment.
132 Unbinds this instance from its body (if bound) and
133 bind it to the body represented by the handle.
134 */
135 Reference<reference_type> &
136 SAL_CALL operator= (const Reference<reference_type> & handle)
137 {
138 return set( handle.m_pBody );
139 }
140
141#ifdef LIBO_INTERNAL_ONLY1
142 /** Assignment.
143 * Unbinds this instance from its body (if bound),
144 * bind it to the body represented by the handle, and
145 * set the body represented by the handle to nullptr.
146 */
147 Reference<reference_type> &
148 operator= (Reference<reference_type> && handle)
149 {
150 // self-movement guts ourself
151 if (m_pBody)
152 m_pBody->release();
153 m_pBody = handle.m_pBody;
154 handle.m_pBody = nullptr;
155 return *this;
156 }
157#endif
158
159 /** Assignment...
160 */
161 Reference<reference_type> &
162 SAL_CALL operator= (reference_type * pBody)
163 {
164 return set( pBody );
165 }
166
167 /** Unbind the body from this handle.
168 Note that for a handle representing a large body,
169 "handle.clear().set(new body());" _might_
170 perform a little bit better than "handle.set(new body());",
171 since in the second case two large objects exist in memory
172 (the old body and the new body).
173 */
174 Reference<reference_type> & SAL_CALL clear()
175 {
176 if (m_pBody)
177 {
178 reference_type * const pOld = m_pBody;
179 m_pBody = NULL__null;
180 pOld->release();
181 }
182 return *this;
183 }
184
185
186 /** Get the body. Can be used instead of operator->().
187 I.e. handle->someBodyOp() and handle.get()->someBodyOp()
188 are the same.
189 */
190 reference_type * SAL_CALL get() const
191 {
192 return m_pBody;
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)
10
←
Assuming the condition is true
→
11
←
Taking true branch
→
40 delete this;
12
←
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