Bug Summary

File:home/maarten/src/libreoffice/core/include/tools/ref.hxx
Warning:line 97, column 56
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 editbrowsebox.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 SVT_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/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/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /home/maarten/src/libreoffice/core/svtools/source/inc -I /home/maarten/src/libreoffice/core/svtools/inc -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/svtools/source/brwbox/editbrowsebox.cxx

/home/maarten/src/libreoffice/core/svtools/source/brwbox/editbrowsebox.cxx

1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#include <svtools/editbrowsebox.hxx>
21
22#include <tools/debug.hxx>
23#include <vcl/image.hxx>
24#include <vcl/settings.hxx>
25#include <vcl/window.hxx>
26#include <vcl/svapp.hxx>
27
28#include <bitmaps.hlst>
29
30#include <algorithm>
31#include "editbrowseboximpl.hxx"
32#include <com/sun/star/accessibility/AccessibleEventId.hpp>
33
34
35namespace svt
36{
37
38 namespace
39 {
40
41 GetFocusFlags getRealGetFocusFlags( vcl::Window* _pWindow )
42 {
43 GetFocusFlags nFlags = GetFocusFlags::NONE;
44 while ( _pWindow && nFlags == GetFocusFlags::NONE )
45 {
46 nFlags = _pWindow->GetGetFocusFlags( );
47 _pWindow = _pWindow->GetParent();
48 }
49 return nFlags;
50 }
51 }
52
53 using namespace ::com::sun::star::uno;
54 using namespace com::sun::star::accessibility::AccessibleEventId;
55
56
57 IEditImplementation::~IEditImplementation()
58 {
59 }
60
61 //= EditBrowserHeader
62
63 void EditBrowserHeader::DoubleClick()
64 {
65 sal_uInt16 nColId = GetCurItemId();
66 if (nColId)
67 {
68 sal_uInt32 nAutoWidth = static_cast<EditBrowseBox*>(GetParent())->GetAutoColumnWidth(nColId);
69 if (nAutoWidth != static_cast<EditBrowseBox*>(GetParent())->GetColumnWidth(nColId))
70 {
71 static_cast<EditBrowseBox*>(GetParent())->SetColumnWidth(nColId, nAutoWidth);
72 static_cast<EditBrowseBox*>(GetParent())->ColumnResized(nColId);
73 }
74 }
75 }
76
77 //= EditBrowseBox
78
79 void EditBrowseBox::BrowserMouseEventPtr::Clear()
80 {
81 pEvent.reset();
82 }
83
84 void EditBrowseBox::BrowserMouseEventPtr::Set(const BrowserMouseEvent* pEvt, bool bIsDown)
85 {
86 if (pEvt == pEvent.get())
87 {
88 bDown = bIsDown;
89 return;
90 }
91 pEvent.reset();
92 if (pEvt)
93 {
94 pEvent.reset(new BrowserMouseEvent(pEvt->GetWindow(),
95 *pEvt,
96 pEvt->GetRow(),
97 pEvt->GetColumn(),
98 pEvt->GetColumnId(),
99 pEvt->GetRect()));
100 bDown = bIsDown;
101 }
102 }
103
104 EditBrowseBox::EditBrowseBox( vcl::Window* pParent, EditBrowseBoxFlags nBrowserFlags, WinBits nBits, BrowserMode _nMode )
105 :BrowseBox( pParent, nBits, _nMode )
106 ,nStartEvent(nullptr)
107 ,nEndEvent(nullptr)
108 ,nCellModifiedEvent(nullptr)
109 ,m_pFocusWhileRequest(nullptr)
110 ,nPaintRow(-1)
111 ,nEditRow(-1)
112 ,nEditCol(0)
113 ,bHasFocus(false)
114 ,bPaintStatus(true)
115 ,bActiveBeforeTracking( false )
116 ,m_nBrowserFlags(nBrowserFlags)
117 ,pHeader(nullptr)
118 {
119 m_aImpl.reset(new EditBrowseBoxImpl);
120
121 SetCompoundControl(true);
122
123 ImplInitSettings(true, true, true);
124
125 pCheckBoxPaint = VclPtr<CheckBoxControl>::Create(&GetDataWindow());
126 pCheckBoxPaint->SetPaintTransparent( true );
127 pCheckBoxPaint->SetBackground();
128 }
129
130 void EditBrowseBox::Init()
131 {
132 // late construction
133 }
134
135 EditBrowseBox::~EditBrowseBox()
136 {
137 disposeOnce();
138 }
139
140 void EditBrowseBox::dispose()
141 {
142 if (nStartEvent)
143 Application::RemoveUserEvent(nStartEvent);
144 if (nEndEvent)
145 Application::RemoveUserEvent(nEndEvent);
146 if (nCellModifiedEvent)
147 Application::RemoveUserEvent(nCellModifiedEvent);
148
149 pCheckBoxPaint.disposeAndClear();
150 m_pFocusWhileRequest.clear();
151 pHeader.clear();
152 BrowseBox::dispose();
153 }
154
155
156 void EditBrowseBox::RemoveRows()
157 {
158 BrowseBox::Clear();
159 nEditRow = nPaintRow = -1;
160 nEditCol = 0;
161 }
162
163
164 VclPtr<BrowserHeader> EditBrowseBox::CreateHeaderBar(BrowseBox* pParent)
165 {
166 pHeader = imp_CreateHeaderBar(pParent);
167 if (!IsUpdateMode())
168 pHeader->SetUpdateMode(false);
169 return pHeader;
170 }
171
172
173 VclPtr<BrowserHeader> EditBrowseBox::imp_CreateHeaderBar(BrowseBox* pParent)
174 {
175 return VclPtr<EditBrowserHeader>::Create(pParent);
176 }
177
178
179 void EditBrowseBox::LoseFocus()
180 {
181 BrowseBox::LoseFocus();
182 DetermineFocus();
183 }
184
185
186 void EditBrowseBox::GetFocus()
187 {
188 BrowseBox::GetFocus();
189
190 // This should handle the case that the BrowseBox (or one of its children)
191 // gets the focus from outside by pressing Tab
192 if (IsEditing() && Controller()->GetWindow().IsVisible())
193 Controller()->GetWindow().GrabFocus();
194
195 DetermineFocus( getRealGetFocusFlags( this ) );
196 }
197
198
199 bool EditBrowseBox::SeekRow(long nRow)
200 {
201 nPaintRow = nRow;
202 return true;
203 }
204
205
206 IMPL_LINK_NOARG(EditBrowseBox, StartEditHdl, void*, void)void EditBrowseBox::LinkStubStartEditHdl(void * instance, void
* data) { return static_cast<EditBrowseBox *>(instance)
->StartEditHdl(data); } void EditBrowseBox::StartEditHdl(__attribute__
((unused)) void*)
207 {
208 nStartEvent = nullptr;
209 if (IsEditing())
210 {
211 EnableAndShow();
212 if (!ControlHasFocus() && (m_pFocusWhileRequest.get() == Application::GetFocusWindow()))
213 aController->GetWindow().GrabFocus();
214 }
215 }
216
217 void EditBrowseBox::PaintField( vcl::RenderContext& rDev, const tools::Rectangle& rRect,
218 sal_uInt16 nColumnId ) const
219 {
220 if (nColumnId == HandleColumnId)
221 {
222 if (bPaintStatus)
223 PaintStatusCell(rDev, rRect);
224 }
225 else
226 {
227 // don't paint the current cell
228 if (&rDev == &GetDataWindow())
229 // but only if we're painting onto our data win (which is the usual painting)
230 if (nPaintRow == nEditRow)
231 {
232 if (IsEditing() && nEditCol == nColumnId && aController->GetWindow().IsVisible())
233 return;
234 }
235 PaintCell(rDev, rRect, nColumnId);
236 }
237 }
238
239 Image EditBrowseBox::GetImage(RowStatus eStatus) const
240 {
241 BitmapEx aBitmap;
242 bool bNeedMirror = IsRTLEnabled();
243 switch (eStatus)
244 {
245 case CURRENT:
246 aBitmap = BitmapEx(BMP_CURRENT"svtools/res/ed01.png");
247 break;
248 case CURRENTNEW:
249 aBitmap = BitmapEx(BMP_CURRENTNEW"svtools/res/ed05.png");
250 break;
251 case MODIFIED:
252 aBitmap = BitmapEx(BMP_MODIFIED"svtools/res/ed02.png");
253 bNeedMirror = false; // the pen is not mirrored
254 break;
255 case NEW:
256 aBitmap = BitmapEx(BMP_NEW"svtools/res/ed03.png");
257 break;
258 case DELETED:
259 aBitmap = BitmapEx(BMP_DELETED"svtools/res/ed04.png");
260 break;
261 case PRIMARYKEY:
262 aBitmap = BitmapEx(BMP_PRIMARYKEY"svtools/res/ed06.png");
263 break;
264 case CURRENT_PRIMARYKEY:
265 aBitmap = BitmapEx(BMP_CURRENT_PRIMARYKEY"svtools/res/ed07.png");
266 break;
267 case FILTER:
268 aBitmap = BitmapEx(BMP_FILTER"svtools/res/ed08.png");
269 break;
270 case HEADERFOOTER:
271 aBitmap = BitmapEx(BMP_HEADERFOOTER"svtools/res/ed09.png");
272 break;
273 case CLEAN:
274 break;
275 }
276 if ( bNeedMirror )
277 {
278 aBitmap.Mirror( BmpMirrorFlags::Horizontal );
279 }
280 return Image(aBitmap);
281 }
282
283 void EditBrowseBox::PaintStatusCell(OutputDevice& rDev, const tools::Rectangle& rRect) const
284 {
285 if (nPaintRow < 0)
286 return;
287
288 RowStatus eStatus = GetRowStatus( nPaintRow );
289 EditBrowseBoxFlags nBrowserFlags = GetBrowserFlags();
290
291 if (nBrowserFlags & EditBrowseBoxFlags::NO_HANDLE_COLUMN_CONTENT)
292 return;
293
294 // draw the text of the header column
295 if (nBrowserFlags & EditBrowseBoxFlags::HANDLE_COLUMN_TEXT )
296 {
297 rDev.DrawText( rRect, GetCellText( nPaintRow, 0 ),
298 DrawTextFlags::Center | DrawTextFlags::VCenter | DrawTextFlags::Clip );
299 }
300 // draw an image
301 else if (eStatus != CLEAN && rDev.GetOutDevType() == OUTDEV_WINDOW)
302 {
303 Image aImage(GetImage(eStatus));
304 // calc the image position
305 Size aImageSize(aImage.GetSizePixel());
306 aImageSize.setWidth( CalcZoom(aImageSize.Width()) );
307 aImageSize.setHeight( CalcZoom(aImageSize.Height()) );
308 Point aPos( rRect.TopLeft() );
309
310 if ( ( aImageSize.Width() > rRect.GetWidth() ) || ( aImageSize.Height() > rRect.GetHeight() ) )
311 rDev.SetClipRegion(vcl::Region(rRect));
312
313 if ( aImageSize.Width() < rRect.GetWidth() )
314 aPos.AdjustX(( rRect.GetWidth() - aImageSize.Width() ) / 2 );
315
316 if ( aImageSize.Height() < rRect.GetHeight() )
317 aPos.AdjustY(( rRect.GetHeight() - aImageSize.Height() ) / 2 );
318
319 if ( IsZoom() )
320 rDev.DrawImage( aPos, aImageSize, aImage );
321 else
322 rDev.DrawImage( aPos, aImage );
323
324 if (rDev.IsClipRegion())
325 rDev.SetClipRegion();
326 }
327 }
328
329
330 void EditBrowseBox::ImplStartTracking()
331 {
332 bActiveBeforeTracking = IsEditing();
333 if ( bActiveBeforeTracking
0.1
Field 'bActiveBeforeTracking' is true
0.1
Field 'bActiveBeforeTracking' is true
)
1
Taking true branch
334 {
335 DeactivateCell();
2
Calling 'EditBrowseBox::DeactivateCell'
336 PaintImmediately();
337 }
338
339 BrowseBox::ImplStartTracking();
340 }
341
342
343 void EditBrowseBox::ImplEndTracking()
344 {
345 if ( bActiveBeforeTracking )
346 ActivateCell();
347 bActiveBeforeTracking = false;
348
349 BrowseBox::ImplEndTracking();
350 }
351
352
353 void EditBrowseBox::RowHeightChanged()
354 {
355 if ( IsEditing() )
356 {
357 tools::Rectangle aRect( GetCellRect( nEditRow, nEditCol, false ) );
358 CellControllerRef aCellController( Controller() );
359 ResizeController( aCellController, aRect );
360 aCellController->GetWindow().GrabFocus();
361 }
362
363 BrowseBox::RowHeightChanged();
364 }
365
366
367 EditBrowseBox::RowStatus EditBrowseBox::GetRowStatus(long) const
368 {
369 return CLEAN;
370 }
371
372
373 void EditBrowseBox::KeyInput( const KeyEvent& rEvt )
374 {
375 sal_uInt16 nCode = rEvt.GetKeyCode().GetCode();
376 bool bShift = rEvt.GetKeyCode().IsShift();
377 bool bCtrl = rEvt.GetKeyCode().IsMod1();
378
379 switch (nCode)
380 {
381 case KEY_RETURN:
382 if (!bCtrl && !bShift && IsTabAllowed(true))
383 {
384 Dispatch(BROWSER_CURSORRIGHT734);
385 }
386 else
387 BrowseBox::KeyInput(rEvt);
388 return;
389 case KEY_TAB:
390 if (!bCtrl && !bShift)
391 {
392 if (IsTabAllowed(true))
393 Dispatch(BROWSER_CURSORRIGHT734);
394 else
395 // do NOT call BrowseBox::KeyInput : this would handle the tab, but we already now
396 // that tab isn't allowed here. So give the Control class a chance
397 Control::KeyInput(rEvt);
398 return;
399 }
400 else if (!bCtrl && bShift)
401 {
402 if (IsTabAllowed(false))
403 Dispatch(BROWSER_CURSORLEFT733);
404 else
405 // do NOT call BrowseBox::KeyInput : this would handle the tab, but we already now
406 // that tab isn't allowed here. So give the Control class a chance
407 Control::KeyInput(rEvt);
408 return;
409 }
410 [[fallthrough]];
411 default:
412 BrowseBox::KeyInput(rEvt);
413 }
414 }
415
416
417 void EditBrowseBox::MouseButtonDown(const BrowserMouseEvent& rEvt)
418 {
419 // absorb double clicks
420 if (rEvt.GetClicks() > 1 && rEvt.GetRow() >= 0)
421 return;
422
423 // we are about to leave the current cell. If there is a "this cell has been modified" notification
424 // pending (asynchronously), this may be deadly -> do it synchronously
425 if ( nCellModifiedEvent )
426 {
427 Application::RemoveUserEvent( nCellModifiedEvent );
428 nCellModifiedEvent = nullptr;
429 LINK( this, EditBrowseBox, CellModifiedHdl )::tools::detail::makeLink( ::tools::detail::castTo<EditBrowseBox
*>(this), &EditBrowseBox::LinkStubCellModifiedHdl)
.Call( nullptr );
430 }
431
432 if (rEvt.GetColumnId() == HandleColumnId)
433 { // it was the handle column. save the current cell content if necessary
434 // (clicking on the handle column results in selecting the current row)
435 if (IsEditing() && aController->IsValueChangedFromSaved())
436 SaveModified();
437 }
438
439 aMouseEvent.Set(&rEvt,true);
440 BrowseBox::MouseButtonDown(rEvt);
441 aMouseEvent.Clear();
442
443 if (m_nBrowserFlags & EditBrowseBoxFlags::ACTIVATE_ON_BUTTONDOWN)
444 {
445 // the base class does not travel upon MouseButtonDown, but implActivateCellOnMouseEvent assumes we traveled ...
446 GoToRowColumnId( rEvt.GetRow(), rEvt.GetColumnId() );
447 if (rEvt.GetRow() >= 0)
448 implActivateCellOnMouseEvent(rEvt, false);
449 }
450 }
451
452 void EditBrowseBox::MouseButtonUp( const BrowserMouseEvent& rEvt )
453 {
454 // absorb double clicks
455 if (rEvt.GetClicks() > 1 && rEvt.GetRow() >= 0)
456 return;
457
458 aMouseEvent.Set(&rEvt,false);
459 BrowseBox::MouseButtonUp(rEvt);
460 aMouseEvent.Clear();
461
462 if (!(m_nBrowserFlags & EditBrowseBoxFlags::ACTIVATE_ON_BUTTONDOWN))
463 if (rEvt.GetRow() >= 0)
464 implActivateCellOnMouseEvent(rEvt, true);
465 }
466
467 bool EditBrowseBox::ControlHasFocus() const
468 {
469 Window* pControlWindow = aController ? &aController->GetWindow() : nullptr;
470 if (ControlBase* pControlBase = dynamic_cast<ControlBase*>(pControlWindow))
471 return pControlBase->ControlHasFocus();
472 return pControlWindow && pControlWindow->HasChildPathFocus();
473 }
474
475 void EditBrowseBox::implActivateCellOnMouseEvent(const BrowserMouseEvent& _rEvt, bool _bUp)
476 {
477 if (!IsEditing())
478 ActivateCell();
479 else if (IsEditing() && !aController->GetWindow().IsEnabled())
480 DeactivateCell();
481 else if (IsEditing() && !ControlHasFocus())
482 AsynchGetFocus();
483
484 if (!IsEditing() || !aController->GetWindow().IsEnabled())
485 return;
486
487 // forwards the event to the control
488 aController->ActivatingMouseEvent(_rEvt, _bUp);
489 }
490
491 void EditBrowseBox::Dispatch( sal_uInt16 _nId )
492 {
493 if ( _nId == BROWSER_ENHANCESELECTION722 )
494 { // this is a workaround for the bug in the base class:
495 // if the row selection is to be extended (which is what BROWSER_ENHANCESELECTION tells us)
496 // then the base class does not revert any column selections, while, for doing a "simple"
497 // selection (BROWSER_SELECT), it does. In fact, it does not only revert the col selection then,
498 // but also any current row selections.
499 // This clearly tells me that the both ids are for row selection only - there this behaviour does
500 // make sense.
501 // But here, where we have column selection, too, we take care of this ourself.
502 if ( GetSelectColumnCount( ) )
503 {
504 while ( GetSelectColumnCount( ) )
505 SelectColumnPos(
506 sal::static_int_cast< sal_uInt16 >(FirstSelectedColumn()),
507 false );
508 Select();
509 }
510 }
511 BrowseBox::Dispatch( _nId );
512 }
513
514 bool EditBrowseBox::ProcessKey(const KeyEvent& rKeyEvent)
515 {
516 sal_uInt16 nCode = rKeyEvent.GetKeyCode().GetCode();
517 bool bShift = rKeyEvent.GetKeyCode().IsShift();
518 bool bCtrl = rKeyEvent.GetKeyCode().IsMod1();
519 bool bAlt = rKeyEvent.GetKeyCode().IsMod2();
520 bool bLocalSelect = false;
521 bool bNonEditOnly = false;
522 sal_uInt16 nId = BROWSER_NONE0;
523
524 if (!bAlt && !bCtrl && !bShift )
525 switch ( nCode )
526 {
527 case KEY_DOWN: nId = BROWSER_CURSORDOWN731; break;
528 case KEY_UP: nId = BROWSER_CURSORUP732; break;
529 case KEY_PAGEDOWN: nId = BROWSER_CURSORPAGEDOWN735; break;
530 case KEY_PAGEUP: nId = BROWSER_CURSORPAGEUP736; break;
531 case KEY_HOME: nId = BROWSER_CURSORHOME745; break;
532 case KEY_END: nId = BROWSER_CURSOREND746; break;
533
534 case KEY_TAB:
535 // ask if traveling to the next cell is allowed
536 if (IsTabAllowed(true))
537 nId = BROWSER_CURSORRIGHT734;
538 break;
539
540 case KEY_RETURN:
541 // save the cell content (if necessary)
542 if (IsEditing() && aController->IsValueChangedFromSaved() && !SaveModified())
543 {
544 // maybe we're not visible ...
545 EnableAndShow();
546 aController->GetWindow().GrabFocus();
547 return true;
548 }
549 // ask if traveling to the next cell is allowed
550 if (IsTabAllowed(true))
551 nId = BROWSER_CURSORRIGHT734;
552
553 break;
554 case KEY_RIGHT: nId = BROWSER_CURSORRIGHT734; break;
555 case KEY_LEFT: nId = BROWSER_CURSORLEFT733; break;
556 case KEY_SPACE: nId = BROWSER_SELECT720; bNonEditOnly = bLocalSelect = true; break;
557 }
558
559 if ( !bAlt && !bCtrl && bShift )
560 switch ( nCode )
561 {
562 case KEY_DOWN: nId = BROWSER_SELECTDOWN724; bLocalSelect = true; break;
563 case KEY_UP: nId = BROWSER_SELECTUP725; bLocalSelect = true; break;
564 case KEY_HOME: nId = BROWSER_SELECTHOME753; bLocalSelect = true; break;
565 case KEY_END: nId = BROWSER_SELECTEND754; bLocalSelect = true; break;
566 case KEY_TAB:
567 if (IsTabAllowed(false))
568 nId = BROWSER_CURSORLEFT733;
569 break;
570 }
571
572 if ( !bAlt && bCtrl && bShift )
573 switch ( nCode )
574 {
575 case KEY_SPACE: nId = BROWSER_SELECTCOLUMN755; bLocalSelect = true; break;
576 }
577
578
579 if ( !bAlt && bCtrl && !bShift )
580 switch ( nCode )
581 {
582 case KEY_DOWN: nId = BROWSER_SCROLLUP752; break;
583 case KEY_UP: nId = BROWSER_SCROLLDOWN751; break;
584 case KEY_PAGEDOWN: nId = BROWSER_CURSORENDOFFILE741; break;
585 case KEY_PAGEUP: nId = BROWSER_CURSORTOPOFFILE742; break;
586 case KEY_HOME: nId = BROWSER_CURSORTOPOFSCREEN744; break;
587 case KEY_END: nId = BROWSER_CURSORENDOFSCREEN743; break;
588 case KEY_SPACE: nId = BROWSER_ENHANCESELECTION722; bLocalSelect = true; break;
589 }
590
591
592 if ( ( nId != BROWSER_NONE0 )
593 && ( !IsEditing()
594 || ( !bNonEditOnly
595 && aController->MoveAllowed(rKeyEvent)
596 )
597 )
598 )
599 {
600 if (nId == BROWSER_SELECT720 || BROWSER_SELECTCOLUMN755 == nId )
601 {
602 // save the cell content (if necessary)
603 if (IsEditing() && aController->IsValueChangedFromSaved() && !SaveModified())
604 {
605 // maybe we're not visible ...
606 EnableAndShow();
607 aController->GetWindow().GrabFocus();
608 return true;
609 }
610 }
611
612 Dispatch(nId);
613
614 if (bLocalSelect && (GetSelectRowCount() || GetSelection() != nullptr))
615 DeactivateCell();
616 return true;
617 }
618 return false;
619 }
620
621 bool EditBrowseBox::PreNotify(NotifyEvent& rEvt)
622 {
623 if (rEvt.GetType() == MouseNotifyEvent::KEYINPUT)
624 {
625 if ( (IsEditing() && ControlHasFocus())
626 || rEvt.GetWindow() == &GetDataWindow()
627 || (!IsEditing() && HasChildPathFocus())
628 )
629 {
630 if (ProcessKey(*rEvt.GetKeyEvent()))
631 return true;
632 }
633 }
634 return BrowseBox::PreNotify(rEvt);
635 }
636
637 bool EditBrowseBox::IsTabAllowed(bool) const
638 {
639 return true;
640 }
641
642
643 bool EditBrowseBox::EventNotify(NotifyEvent& rEvt)
644 {
645 switch (rEvt.GetType())
646 {
647 case MouseNotifyEvent::GETFOCUS:
648 DetermineFocus( getRealGetFocusFlags( this ) );
649 break;
650
651 case MouseNotifyEvent::LOSEFOCUS:
652 DetermineFocus();
653 break;
654
655 default:
656 break;
657 }
658 return BrowseBox::EventNotify(rEvt);
659 }
660
661
662 void EditBrowseBox::StateChanged( StateChangedType nType )
663 {
664 BrowseBox::StateChanged( nType );
665
666 bool bNeedCellReActivation = false;
667 if ( nType == StateChangedType::Mirroring )
668 {
669 bNeedCellReActivation = true;
670 }
671 else if ( nType == StateChangedType::Zoom )
672 {
673 ImplInitSettings( true, false, false );
674 bNeedCellReActivation = true;
675 }
676 else if ( nType == StateChangedType::ControlFont )
677 {
678 ImplInitSettings( true, false, false );
679 Invalidate();
680 }
681 else if ( nType == StateChangedType::ControlForeground )
682 {
683 ImplInitSettings( false, true, false );
684 Invalidate();
685 }
686 else if ( nType == StateChangedType::ControlBackground )
687 {
688 ImplInitSettings( false, false, true );
689 Invalidate();
690 }
691 else if (nType == StateChangedType::Style)
692 {
693 WinBits nStyle = GetStyle();
694 if (!(nStyle & WB_NOTABSTOP) )
695 nStyle |= WB_TABSTOP;
696
697 SetStyle(nStyle);
698 }
699 if ( bNeedCellReActivation )
700 {
701 if ( IsEditing() )
702 {
703 DeactivateCell();
704 ActivateCell();
705 }
706 }
707 }
708
709
710 void EditBrowseBox::DataChanged( const DataChangedEvent& rDCEvt )
711 {
712 BrowseBox::DataChanged( rDCEvt );
713
714 if ((( rDCEvt.GetType() == DataChangedEventType::SETTINGS ) ||
715 ( rDCEvt.GetType() == DataChangedEventType::DISPLAY )) &&
716 ( rDCEvt.GetFlags() & AllSettingsFlags::STYLE ))
717 {
718 ImplInitSettings( true, true, true );
719 Invalidate();
720 }
721 }
722
723 void EditBrowseBox::ImplInitSettings( bool bFont, bool bForeground, bool bBackground )
724 {
725 const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
726
727 if (bFont)
728 {
729 vcl::Font aFont = rStyleSettings.GetFieldFont();
730 if (IsControlFont())
731 {
732 GetDataWindow().SetControlFont(GetControlFont());
733 aFont.Merge(GetControlFont());
734 }
735 else
736 GetDataWindow().SetControlFont();
737
738 GetDataWindow().SetZoomedPointFont(GetDataWindow(), aFont);
739 }
740
741 if (bFont || bForeground)
742 {
743 Color aTextColor = rStyleSettings.GetFieldTextColor();
744 if (IsControlForeground())
745 {
746 aTextColor = GetControlForeground();
747 GetDataWindow().SetControlForeground(aTextColor);
748 }
749 else
750 GetDataWindow().SetControlForeground();
751
752 GetDataWindow().SetTextColor( aTextColor );
753 }
754
755 if (!bBackground) // FIXME: Outside of Paint Hierarchy
756 return;
757
758 if (GetDataWindow().IsControlBackground())
759 {
760 GetDataWindow().SetControlBackground(GetControlBackground());
761 GetDataWindow().SetBackground(GetDataWindow().GetControlBackground());
762 GetDataWindow().SetFillColor(GetDataWindow().GetControlBackground());
763 }
764 else
765 {
766 GetDataWindow().SetControlBackground();
767 GetDataWindow().SetBackground(rStyleSettings.GetFieldColor());
768 GetDataWindow().SetFillColor(rStyleSettings.GetFieldColor());
769 }
770 }
771
772
773 bool EditBrowseBox::IsCursorMoveAllowed(long nNewRow, sal_uInt16 nNewColId) const
774 {
775 sal_uInt16 nInfo = 0;
776
777 if (GetSelectColumnCount() || (aMouseEvent.Is() && aMouseEvent->GetRow() < 0))
778 nInfo |= COLSELECT;
779 if ((GetSelection() != nullptr && GetSelectRowCount()) ||
780 (aMouseEvent.Is() && aMouseEvent->GetColumnId() == HandleColumnId))
781 nInfo |= ROWSELECT;
782 if (!nInfo && nNewRow != nEditRow)
783 nInfo |= ROWCHANGE;
784 if (!nInfo && nNewColId != nEditCol)
785 nInfo |= COLCHANGE;
786
787 if (nInfo == 0) // nothing happened
788 return true;
789
790 // save the cell content
791 if (IsEditing() && aController->IsValueChangedFromSaved() && !const_cast<EditBrowseBox *>(this)->SaveModified())
792 {
793 // maybe we're not visible ...
794 EnableAndShow();
795 aController->GetWindow().GrabFocus();
796 return false;
797 }
798
799 EditBrowseBox * pTHIS = const_cast<EditBrowseBox *> (this);
800
801 // save the cell content if
802 // a) a selection is being made
803 // b) the row is changing
804 if (IsModified() && (nInfo & (ROWCHANGE | COLSELECT | ROWSELECT)) &&
805 !pTHIS->SaveRow())
806 {
807 if (nInfo & COLSELECT ||
808 nInfo & ROWSELECT)
809 {
810 // cancel selected
811 pTHIS->SetNoSelection();
812 }
813
814 if (IsEditing())
815 {
816 if (!Controller()->GetWindow().IsVisible())
817 {
818 EnableAndShow();
819 }
820 aController->GetWindow().GrabFocus();
821 }
822 return false;
823 }
824
825 if (nNewRow != nEditRow)
826 {
827 vcl::Window& rWindow = GetDataWindow();
828 if ((nEditRow >= 0) && !(GetBrowserFlags() & EditBrowseBoxFlags::NO_HANDLE_COLUMN_CONTENT))
829 {
830 tools::Rectangle aRect = GetFieldRectPixel(nEditRow, 0, false );
831 // status cell should be painted if and only if text is displayed
832 pTHIS->bPaintStatus = ( GetBrowserFlags() & EditBrowseBoxFlags::HANDLE_COLUMN_TEXT ) == EditBrowseBoxFlags::HANDLE_COLUMN_TEXT;
833 rWindow.Invalidate(aRect);
834 pTHIS->bPaintStatus = true;
835 }
836
837 // don't paint during row change
838 rWindow.EnablePaint(false);
839
840 // the last veto chance for derived classes
841 if (!pTHIS->CursorMoving(nNewRow, nNewColId))
842 {
843 pTHIS->InvalidateStatusCell(nEditRow);
844 rWindow.EnablePaint(true);
845 return false;
846 }
847 else
848 {
849 rWindow.EnablePaint(true);
850 return true;
851 }
852 }
853 else
854 return pTHIS->CursorMoving(nNewRow, nNewColId);
855 }
856
857
858 void EditBrowseBox::ColumnMoved(sal_uInt16 nId)
859 {
860 BrowseBox::ColumnMoved(nId);
861 if (IsEditing())
862 {
863 tools::Rectangle aRect( GetCellRect(nEditRow, nEditCol, false));
864 CellControllerRef aControllerRef = Controller();
865 ResizeController(aControllerRef, aRect);
866 Controller()->GetWindow().GrabFocus();
867 }
868 }
869
870
871 bool EditBrowseBox::SaveRow()
872 {
873 return true;
874 }
875
876
877 bool EditBrowseBox::CursorMoving(long, sal_uInt16)
878 {
879 DeactivateCell(false);
880 return true;
881 }
882
883
884 void EditBrowseBox::CursorMoved()
885 {
886 long nNewRow = GetCurRow();
887 if (nEditRow != nNewRow)
888 {
889 if (!(GetBrowserFlags() & EditBrowseBoxFlags::NO_HANDLE_COLUMN_CONTENT))
890 InvalidateStatusCell(nNewRow);
891 nEditRow = nNewRow;
892 }
893 ActivateCell();
894 GetDataWindow().EnablePaint(true);
895 // should not be called here because the descant event is not needed here
896 //BrowseBox::CursorMoved();
897 }
898
899
900 void EditBrowseBox::EndScroll()
901 {
902 if (IsEditing())
903 {
904 tools::Rectangle aRect = GetCellRect(nEditRow, nEditCol, false);
905 ResizeController(aController,aRect);
906 AsynchGetFocus();
907 }
908 BrowseBox::EndScroll();
909 }
910
911
912 void EditBrowseBox::ActivateCell(long nRow, sal_uInt16 nCol, bool bCellFocus)
913 {
914 if (IsEditing())
915 return;
916
917 nEditCol = nCol;
918
919 if ((GetSelectRowCount() && GetSelection() != nullptr) || GetSelectColumnCount() ||
920 (aMouseEvent.Is() && (aMouseEvent.IsDown() || aMouseEvent->GetClicks() > 1))) // nothing happens on MouseDown
921 {
922 return;
923 }
924
925 if (nEditRow < 0 || nEditCol <= HandleColumnId)
926 return;
927
928 aController = GetController(nRow, nCol);
929 if (aController.is())
930 {
931 tools::Rectangle aRect( GetCellRect(nEditRow, nEditCol, false));
932 ResizeController(aController, aRect);
933
934 InitController(aController, nEditRow, nEditCol);
935
936 aController->SaveValue();
937 aController->SetModifyHdl(LINK(this,EditBrowseBox,ModifyHdl)::tools::detail::makeLink( ::tools::detail::castTo<EditBrowseBox
*>(this), &EditBrowseBox::LinkStubModifyHdl)
);
938 EnableAndShow();
939
940 if ( isAccessibleAlive() )
941 implCreateActiveAccessible();
942
943 // activate the cell only of the browser has the focus
944 if ( bHasFocus && bCellFocus )
945 AsynchGetFocus();
946 }
947 else
948 {
949 // no controller -> we have a new "active descendant"
950 if ( isAccessibleAlive() && HasFocus() )
951 {
952 commitTableEvent(
953 ACTIVE_DESCENDANT_CHANGED,
954 makeAny( CreateAccessibleCell( nRow, GetColumnPos( nCol -1) ) ),
955 Any()
956 );
957 }
958 }
959 }
960
961
962 void EditBrowseBox::DeactivateCell(bool bUpdate)
963 {
964 if (!IsEditing())
3
Taking false branch
965 return;
966
967 if ( isAccessibleAlive() )
4
Assuming the condition is false
5
Taking false branch
968 {
969 commitBrowseBoxEvent( CHILD, Any(), makeAny( m_aImpl->m_xActiveCell ) );
970 m_aImpl->clearActiveCell();
971 }
972
973 aOldController = aController;
974 aController.clear();
6
Calling 'SvRef::clear'
15
Returning; memory was released
975
976 // reset the modify handler
977 aOldController->SetModifyHdl(Link<LinkParamNone*,void>());
16
Calling 'SvRef::operator->'
978
979 if (bHasFocus)
980 GrabFocus(); // ensure that we have (and keep) the focus
981
982 aOldController->suspend();
983
984 // update if requested
985 if (bUpdate)
986 PaintImmediately();
987
988 // release the controller (asynchronously)
989 if (nEndEvent)
990 Application::RemoveUserEvent(nEndEvent);
991 nEndEvent = Application::PostUserEvent(LINK(this,EditBrowseBox,EndEditHdl)::tools::detail::makeLink( ::tools::detail::castTo<EditBrowseBox
*>(this), &EditBrowseBox::LinkStubEndEditHdl)
, nullptr, true);
992 }
993
994
995 tools::Rectangle EditBrowseBox::GetCellRect(long nRow, sal_uInt16 nColId, bool bRel) const
996 {
997 tools::Rectangle aRect( GetFieldRectPixel(nRow, nColId, bRel));
998 if ((GetMode() & BrowserMode::CURSOR_WO_FOCUS) == BrowserMode::CURSOR_WO_FOCUS)
999 {
1000 aRect.AdjustTop(1 );
1001 aRect.AdjustBottom( -1 );
1002 }
1003 return aRect;
1004 }
1005
1006
1007 IMPL_LINK_NOARG(EditBrowseBox, EndEditHdl, void*, void)void EditBrowseBox::LinkStubEndEditHdl(void * instance, void*
data) { return static_cast<EditBrowseBox *>(instance)->
EndEditHdl(data); } void EditBrowseBox::EndEditHdl(__attribute__
((unused)) void*)
1008 {
1009 nEndEvent = nullptr;
1010
1011 aOldController = CellControllerRef();
1012 }
1013
1014
1015 IMPL_LINK_NOARG(EditBrowseBox, ModifyHdl, LinkParamNone*, void)void EditBrowseBox::LinkStubModifyHdl(void * instance, LinkParamNone
* data) { return static_cast<EditBrowseBox *>(instance)
->ModifyHdl(data); } void EditBrowseBox::ModifyHdl(__attribute__
((unused)) LinkParamNone*)
1016 {
1017 if (nCellModifiedEvent)
1018 Application::RemoveUserEvent(nCellModifiedEvent);
1019 nCellModifiedEvent = Application::PostUserEvent(LINK(this,EditBrowseBox,CellModifiedHdl)::tools::detail::makeLink( ::tools::detail::castTo<EditBrowseBox
*>(this), &EditBrowseBox::LinkStubCellModifiedHdl)
, nullptr, true);
1020 }
1021
1022
1023 IMPL_LINK_NOARG(EditBrowseBox, CellModifiedHdl, void*, void)void EditBrowseBox::LinkStubCellModifiedHdl(void * instance, void
* data) { return static_cast<EditBrowseBox *>(instance)
->CellModifiedHdl(data); } void EditBrowseBox::CellModifiedHdl
(__attribute__ ((unused)) void*)
1024 {
1025 nCellModifiedEvent = nullptr;
1026 CellModified();
1027 }
1028
1029 void EditBrowseBox::ColumnResized( sal_uInt16 )
1030 {
1031 if (IsEditing())
1032 {
1033 tools::Rectangle aRect( GetCellRect(nEditRow, nEditCol, false));
1034 CellControllerRef aControllerRef = Controller();
1035 ResizeController(aControllerRef, aRect);
1036 // don't grab focus if Field Properties panel is being
1037 // resized by split pane drag resizing
1038 if (Application::IsUICaptured())
1039 return;
1040 Controller()->GetWindow().GrabFocus();
1041 }
1042 }
1043
1044 sal_uInt16 EditBrowseBox::AppendColumn(const OUString& rName, sal_uInt16 nWidth, sal_uInt16 nPos, sal_uInt16 nId)
1045 {
1046 if (nId == BROWSER_INVALIDID((sal_uInt16) 0xFFFF))
1047 {
1048 // look for the next free id
1049 for (nId = ColCount(); nId > 0 && GetColumnPos(nId) != BROWSER_INVALIDID((sal_uInt16) 0xFFFF); nId--)
1050 ;
1051
1052 if (!nId)
1053 {
1054 // if there is no handle column
1055 // increment the id
1056 if ( ColCount() == 0 || GetColumnId(0) != HandleColumnId )
1057 nId = ColCount() + 1;
1058 }
1059 }
1060
1061 DBG_ASSERT(nId, "EditBrowseBox::AppendColumn: invalid id!")do { if (true && (!(nId))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN
), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/svtools/source/brwbox/editbrowsebox.cxx"
":" "1061" ": "), "%s", "EditBrowseBox::AppendColumn: invalid id!"
); } } while (false)
;
1062
1063 long w = nWidth;
1064 if (!w)
1065 w = GetDefaultColumnWidth(rName);
1066
1067 InsertDataColumn(nId, rName, w, (HeaderBarItemBits::CENTER | HeaderBarItemBits::CLICKABLE), nPos);
1068 return nId;
1069 }
1070
1071 void EditBrowseBox::Resize()
1072 {
1073 BrowseBox::Resize();
1074
1075 // if the window is smaller than "title line height" + "control area",
1076 // do nothing
1077 if (GetOutputSizePixel().Height() <
1078 (GetControlArea().GetHeight() + GetDataWindow().GetPosPixel().Y()))
1079 return;
1080
1081 // the size of the control area
1082 Point aPoint(GetControlArea().TopLeft());
1083 sal_uInt16 nX = static_cast<sal_uInt16>(aPoint.X());
1084
1085 ArrangeControls(nX, static_cast<sal_uInt16>(aPoint.Y()));
1086
1087 if (!nX)
1088 nX = USHRT_MAX(32767 *2 +1);
1089
1090 bool bChanged = ReserveControlArea(nX);
1091
1092 //tdf#97731 if the reserved area changed size, give the controls a
1093 //chance to adapt to the new size
1094 if (bChanged)
1095 {
1096 nX = static_cast<sal_uInt16>(aPoint.X());
1097 ArrangeControls(nX, static_cast<sal_uInt16>(aPoint.Y()));
1098 }
1099 }
1100
1101 void EditBrowseBox::ArrangeControls(sal_uInt16&, sal_uInt16)
1102 {
1103 }
1104
1105 CellController* EditBrowseBox::GetController(long, sal_uInt16)
1106 {
1107 return nullptr;
1108 }
1109
1110 void EditBrowseBox::ResizeController(CellControllerRef const & rController, const tools::Rectangle& rRect)
1111 {
1112 Point aPoint(rRect.TopLeft());
1113 Size aSize(rRect.GetSize());
1114 Control& rControl = rController->GetWindow();
1115 auto nMinHeight = rControl.get_preferred_size().Height();
1116 if (nMinHeight > aSize.Height())
1117 {
1118 auto nOffset = (nMinHeight - aSize.Height()) / 2;
1119 aPoint.AdjustY(-nOffset);
1120 aSize.setHeight(nMinHeight);
1121 }
1122 rControl.SetPosSizePixel(aPoint, aSize);
1123 }
1124
1125 void EditBrowseBox::InitController(CellControllerRef&, long, sal_uInt16)
1126 {
1127 }
1128
1129
1130 void EditBrowseBox::CellModified()
1131 {
1132 }
1133
1134
1135 bool EditBrowseBox::SaveModified()
1136 {
1137 return true;
1138 }
1139
1140
1141 void EditBrowseBox::DoubleClick(const BrowserMouseEvent& rEvt)
1142 {
1143 // when double clicking on the column, the optimum size will be calculated
1144 sal_uInt16 nColId = rEvt.GetColumnId();
1145 if (nColId != HandleColumnId)
1146 SetColumnWidth(nColId, GetAutoColumnWidth(nColId));
1147 }
1148
1149
1150 sal_uInt32 EditBrowseBox::GetAutoColumnWidth(sal_uInt16 nColId)
1151 {
1152 sal_uInt32 nCurColWidth = GetColumnWidth(nColId);
1153 sal_uInt32 nMinColWidth = CalcZoom(20); // minimum
1154 sal_uInt32 nNewColWidth = nMinColWidth;
1155 long nMaxRows = std::min(long(GetVisibleRows()), GetRowCount());
1156 long nLastVisRow = GetTopRow() + nMaxRows - 1;
1157
1158 if (GetTopRow() <= nLastVisRow) // calc the column with using the cell contents
1159 {
1160 for (long i = GetTopRow(); i <= nLastVisRow; ++i)
1161 nNewColWidth = std::max(nNewColWidth,GetTotalCellWidth(i,nColId) + 12);
1162
1163 if (nNewColWidth == nCurColWidth) // size has not changed
1164 nNewColWidth = GetDefaultColumnWidth(GetColumnTitle(nColId));
1165 }
1166 else
1167 nNewColWidth = GetDefaultColumnWidth(GetColumnTitle(nColId));
1168 return nNewColWidth;
1169 }
1170
1171 sal_uInt32 EditBrowseBox::GetTotalCellWidth(long, sal_uInt16)
1172 {
1173 return 0;
1174 }
1175
1176 void EditBrowseBox::InvalidateHandleColumn()
1177 {
1178 tools::Rectangle aHdlFieldRect( GetFieldRectPixel( 0, 0 ));
1179 tools::Rectangle aInvalidRect( Point(0,0), GetOutputSizePixel() );
1180 aInvalidRect.SetRight( aHdlFieldRect.Right() );
1181 Invalidate( aInvalidRect );
1182 }
1183
1184 void EditBrowseBox::PaintTristate(const tools::Rectangle& rRect, const TriState& eState, bool _bEnabled) const
1185 {
1186 pCheckBoxPaint->SetState(eState);
1187
1188 pCheckBoxPaint->GetBox().set_sensitive(_bEnabled);
1189
1190 Size aBoxSize = pCheckBoxPaint->GetBox().get_preferred_size();
1191 tools::Rectangle aRect(Point(rRect.Left() + ((rRect.GetWidth() - aBoxSize.Width()) / 2),
1192 rRect.Top() + ((rRect.GetHeight() - aBoxSize.Height()) / 2)),
1193 aBoxSize);
1194 pCheckBoxPaint->SetPosSizePixel(aRect.TopLeft(), aRect.GetSize());
1195
1196 pCheckBoxPaint->Draw(&GetDataWindow(), aRect.TopLeft(), DrawFlags::NONE);
1197 }
1198
1199 void EditBrowseBox::AsynchGetFocus()
1200 {
1201 if (nStartEvent)
1202 Application::RemoveUserEvent(nStartEvent);
1203
1204 m_pFocusWhileRequest = Application::GetFocusWindow();
1205 nStartEvent = Application::PostUserEvent(LINK(this,EditBrowseBox,StartEditHdl)::tools::detail::makeLink( ::tools::detail::castTo<EditBrowseBox
*>(this), &EditBrowseBox::LinkStubStartEditHdl)
, nullptr, true);
1206 }
1207
1208
1209 void EditBrowseBox::SetBrowserFlags(EditBrowseBoxFlags nFlags)
1210 {
1211 if (m_nBrowserFlags == nFlags)
1212 return;
1213
1214 bool RowPicturesChanges = ((m_nBrowserFlags & EditBrowseBoxFlags::NO_HANDLE_COLUMN_CONTENT) !=
1215 (nFlags & EditBrowseBoxFlags::NO_HANDLE_COLUMN_CONTENT));
1216 m_nBrowserFlags = nFlags;
1217
1218 if (RowPicturesChanges)
1219 InvalidateStatusCell(GetCurRow());
1220 }
1221
1222 inline void EditBrowseBox::EnableAndShow() const
1223 {
1224 Controller()->resume();
1225 }
1226
1227
1228 CellController::CellController(Control* pW)
1229 :pWindow( pW )
1230 ,bSuspended( true )
1231 {
1232
1233 DBG_ASSERT(pWindow, "CellController::CellController: missing the window!")do { if (true && (!(pWindow))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/svtools/source/brwbox/editbrowsebox.cxx"
":" "1233" ": "), "%s", "CellController::CellController: missing the window!"
); } } while (false)
;
1234 DBG_ASSERT(!pWindow->IsVisible(), "CellController::CellController: window should not be visible!")do { if (true && (!(!pWindow->IsVisible()))) { sal_detail_logFormat
((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"), ("/home/maarten/src/libreoffice/core/svtools/source/brwbox/editbrowsebox.cxx"
":" "1234" ": "), "%s", "CellController::CellController: window should not be visible!"
); } } while (false)
;
1235 }
1236
1237
1238 CellController::~CellController()
1239 {
1240
1241 }
1242
1243
1244 void CellController::suspend( )
1245 {
1246 DBG_ASSERT( bSuspended == !GetWindow().IsVisible(), "CellController::suspend: inconsistence!" )do { if (true && (!(bSuspended == !GetWindow().IsVisible
()))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"
), ("/home/maarten/src/libreoffice/core/svtools/source/brwbox/editbrowsebox.cxx"
":" "1246" ": "), "%s", "CellController::suspend: inconsistence!"
); } } while (false)
;
1247 if ( !isSuspended( ) )
1248 {
1249 CommitModifications();
1250 GetWindow().Hide( );
1251 GetWindow().Disable( );
1252 bSuspended = true;
1253 }
1254 }
1255
1256 void CellController::resume( )
1257 {
1258 DBG_ASSERT( bSuspended == !GetWindow().IsVisible(), "CellController::resume: inconsistence!" )do { if (true && (!(bSuspended == !GetWindow().IsVisible
()))) { sal_detail_logFormat((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.tools"
), ("/home/maarten/src/libreoffice/core/svtools/source/brwbox/editbrowsebox.cxx"
":" "1258" ": "), "%s", "CellController::resume: inconsistence!"
); } } while (false)
;
1259 if ( isSuspended( ) )
1260 {
1261 GetWindow().Enable( );
1262 GetWindow().Show( );
1263 bSuspended = false;
1264 }
1265 }
1266
1267 void CellController::CommitModifications()
1268 {
1269 // nothing to do in this base class
1270 }
1271
1272 void CellController::ActivatingMouseEvent(const BrowserMouseEvent& /*rEvt*/, bool /*bUp*/)
1273 {
1274 // nothing to do in this base class
1275 }
1276
1277 bool CellController::MoveAllowed(const KeyEvent&) const
1278 {
1279 return true;
1280 }
1281
1282} // namespace svt
1283
1284
1285/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

/home/maarten/src/libreoffice/core/include/tools/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#ifndef INCLUDED_TOOLS_REF_HXX
20#define INCLUDED_TOOLS_REF_HXX
21
22#include <sal/config.h>
23#include <cassert>
24#include <tools/toolsdllapi.h>
25#include <utility>
26
27/**
28 This implements similar functionality to boost::intrusive_ptr
29*/
30
31namespace tools {
32
33/** T must be a class that extends SvRefBase */
34template<typename T> class SAL_DLLPUBLIC_RTTI__attribute__ ((type_visibility("default"))) SvRef final {
35public:
36 SvRef(): pObj(nullptr) {}
37
38 SvRef(SvRef&& rObj) noexcept
39 {
40 pObj = rObj.pObj;
41 rObj.pObj = nullptr;
42 }
43
44 SvRef(SvRef const & rObj): pObj(rObj.pObj)
45 {
46 if (pObj != nullptr) pObj->AddNextRef();
47 }
48
49 SvRef(T * pObjP): pObj(pObjP)
50 {
51 if (pObj != nullptr) pObj->AddFirstRef();
52 }
53
54 ~SvRef()
55 {
56 if (pObj != nullptr) pObj->ReleaseRef();
57 }
58
59 void clear()
60 {
61 if (pObj != nullptr) {
7
Taking true branch
62 T * pRefObj = pObj;
63 pObj = nullptr;
64 pRefObj->ReleaseRef();
8
Calling 'SvRefBase::ReleaseRef'
14
Returning; memory was released
65 }
66 }
67
68 SvRef & operator =(SvRef const & rObj)
69 {
70 if (rObj.pObj != nullptr) {
71 rObj.pObj->AddNextRef();
72 }
73 T * pRefObj = pObj;
74 pObj = rObj.pObj;
75 if (pRefObj != nullptr) {
76 pRefObj->ReleaseRef();
77 }
78 return *this;
79 }
80
81 SvRef & operator =(SvRef && rObj)
82 {
83 if (pObj != nullptr) {
84 pObj->ReleaseRef();
85 }
86 pObj = rObj.pObj;
87 rObj.pObj = nullptr;
88 return *this;
89 }
90
91 bool is() const { return pObj != nullptr; }
92
93 explicit operator bool() const { return is(); }
94
95 T * get() const { return pObj; }
96
97 T * operator ->() const { assert(pObj != nullptr)(static_cast <bool> (pObj != nullptr) ? void (0) : __assert_fail
("pObj != nullptr", "/home/maarten/src/libreoffice/core/include/tools/ref.hxx"
, 97, __extension__ __PRETTY_FUNCTION__))
; return pObj; }
17
'?' condition is true
18
Use of memory after it is freed
98
99 T & operator *() const { assert(pObj != nullptr)(static_cast <bool> (pObj != nullptr) ? void (0) : __assert_fail
("pObj != nullptr", "/home/maarten/src/libreoffice/core/include/tools/ref.hxx"
, 99, __extension__ __PRETTY_FUNCTION__))
; return *pObj; }
100
101 bool operator ==(const SvRef<T> &rhs) const { return pObj == rhs.pObj; }
102 bool operator !=(const SvRef<T> &rhs) const { return !(*this == rhs); }
103
104private:
105 T * pObj;
106};
107
108/**
109 * This implements similar functionality to std::make_shared.
110 */
111template<typename T, typename... Args>
112SvRef<T> make_ref(Args&& ... args)
113{
114 return SvRef<T>(new T(std::forward<Args>(args)...));
115}
116
117}
118
119/** Classes that want to be referenced-counted via SvRef<T>, should extend this base class */
120class TOOLS_DLLPUBLIC__attribute__ ((visibility("default"))) SvRefBase
121{
122 // work around a clang 3.5 optimization bug: if the bNoDelete is *first*
123 // it mis-compiles "if (--nRefCount == 0)" and never deletes any object
124 unsigned int nRefCount : 31;
125 // the only reason this is not bool is because MSVC cannot handle mixed type bitfields
126 unsigned int bNoDelete : 1;
127
128protected:
129 virtual ~SvRefBase() COVERITY_NOEXCEPT_FALSE;
130
131public:
132 SvRefBase() : nRefCount(0), bNoDelete(1) {}
133 SvRefBase(const SvRefBase &) : nRefCount(0), bNoDelete(1) {}
134
135 SvRefBase & operator=(const SvRefBase &) { return *this; }
136
137 void RestoreNoDelete()
138 { bNoDelete = 1; }
139
140 void AddNextRef()
141 {
142 assert( nRefCount < (1 << 30) && "Do not add refs to dead objects" )(static_cast <bool> (nRefCount < (1 << 30) &&
"Do not add refs to dead objects") ? void (0) : __assert_fail
("nRefCount < (1 << 30) && \"Do not add refs to dead objects\""
, "/home/maarten/src/libreoffice/core/include/tools/ref.hxx",
142, __extension__ __PRETTY_FUNCTION__))
;
143 ++nRefCount;
144 }
145
146 void AddFirstRef()
147 {
148 assert( nRefCount < (1 << 30) && "Do not add refs to dead objects" )(static_cast <bool> (nRefCount < (1 << 30) &&
"Do not add refs to dead objects") ? void (0) : __assert_fail
("nRefCount < (1 << 30) && \"Do not add refs to dead objects\""
, "/home/maarten/src/libreoffice/core/include/tools/ref.hxx",
148, __extension__ __PRETTY_FUNCTION__))
;
149 if( bNoDelete )
150 bNoDelete = 0;
151 ++nRefCount;
152 }
153
154 void ReleaseRef()
155 {
156 assert( nRefCount >= 1)(static_cast <bool> (nRefCount >= 1) ? void (0) : __assert_fail
("nRefCount >= 1", "/home/maarten/src/libreoffice/core/include/tools/ref.hxx"
, 156, __extension__ __PRETTY_FUNCTION__))
;
9
'?' condition is true
157 if( --nRefCount == 0 && !bNoDelete)
10
Assuming the condition is true
11
Assuming field 'bNoDelete' is 0
12
Taking true branch
158 {
159 // I'm not sure about the original purpose of this line, but right now
160 // it serves the purpose that anything that attempts to do an AddRef()
161 // after an object is deleted will trip an assert.
162 nRefCount = 1 << 30;
163 delete this;
13
Memory is released
164 }
165 }
166
167 unsigned int GetRefCount() const
168 { return nRefCount; }
169};
170
171template<typename T>
172class SvCompatWeakBase;
173
174/** SvCompatWeakHdl acts as an intermediary between SvCompatWeakRef<T> and T.
175*/
176template<typename T>
177class SvCompatWeakHdl final : public SvRefBase
178{
179 friend class SvCompatWeakBase<T>;
180 T* _pObj;
181
182 SvCompatWeakHdl( T* pObj ) : _pObj( pObj ) {}
183
184public:
185 void ResetWeakBase( ) { _pObj = nullptr; }
186 T* GetObj() { return _pObj; }
187};
188
189/** We only have one place that extends this, in include/sfx2/frame.hxx, class SfxFrame.
190 Its function is to notify the SvCompatWeakHdl when an SfxFrame object is deleted.
191*/
192template<typename T>
193class SvCompatWeakBase
194{
195 tools::SvRef< SvCompatWeakHdl<T> > _xHdl;
196
197public:
198 /** Does not use initializer due to compiler warnings,
199 because the lifetime of the _xHdl object can exceed the lifetime of this class.
200 */
201 SvCompatWeakBase( T* pObj ) { _xHdl = new SvCompatWeakHdl<T>( pObj ); }
202
203 ~SvCompatWeakBase() { _xHdl->ResetWeakBase(); }
204
205 SvCompatWeakHdl<T>* GetHdl() { return _xHdl.get(); }
206};
207
208/** We only have one weak reference in LO, in include/sfx2/frame.hxx, class SfxFrameWeak.
209*/
210template<typename T>
211class SAL_WARN_UNUSED__attribute__((warn_unused)) SvCompatWeakRef
212{
213 tools::SvRef< SvCompatWeakHdl<T> > _xHdl;
214public:
215 SvCompatWeakRef( ) {}
216 SvCompatWeakRef( T* pObj )
217 { if( pObj ) _xHdl = pObj->GetHdl(); }
218#if defined(__COVERITY__)
219 ~SvCompatWeakRef() COVERITY_NOEXCEPT_FALSE {}
220#endif
221 SvCompatWeakRef& operator = ( T * pObj )
222 { _xHdl = pObj ? pObj->GetHdl() : nullptr; return *this; }
223 bool is() const
224 { return _xHdl.is() && _xHdl->GetObj(); }
225 explicit operator bool() const { return is(); }
226 T* operator -> () const
227 { return _xHdl.is() ? _xHdl->GetObj() : nullptr; }
228 operator T* () const
229 { return _xHdl.is() ? _xHdl->GetObj() : nullptr; }
230};
231
232#endif
233
234/* vim:set shiftwidth=4 softtabstop=4 expandtab: */