LibreOffice Module sw (master)  1
viewimp.cxx
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19 
20 #include <rootfrm.hxx>
21 #include <pagefrm.hxx>
22 #include <viewimp.hxx>
23 #include <viewopt.hxx>
24 #include <flyfrm.hxx>
25 #include <layact.hxx>
26 #include <swregion.hxx>
27 #include <dview.hxx>
28 #include <swmodule.hxx>
29 #include <svx/svdpage.hxx>
30 #include <accmap.hxx>
31 
32 #include <pagepreviewlayout.hxx>
33 #include <comphelper/lok.hxx>
34 #include <tools/diagnose_ex.h>
37 #include <drawdoc.hxx>
38 #include <prevwpage.hxx>
39 
40 void SwViewShellImp::Init( const SwViewOption *pNewOpt )
41 {
42  OSL_ENSURE( m_pDrawView, "SwViewShellImp::Init without DrawView" );
43  //Create PageView if it doesn't exist
44  SwRootFrame *pRoot = m_pShell->GetLayout();
45  if ( !m_pSdrPageView )
46  {
48  if ( !pRoot->GetDrawPage() )
49  pRoot->SetDrawPage( rIDDMA.GetDrawModel()->GetPage( 0 ) );
50 
51  if ( pRoot->GetDrawPage()->GetSize() != pRoot->getFrameArea().SSize() )
52  pRoot->GetDrawPage()->SetSize( pRoot->getFrameArea().SSize() );
53 
54  m_pSdrPageView = m_pDrawView->ShowSdrPage( pRoot->GetDrawPage());
55  // Notify drawing page view about invisible layers
57  }
58  m_pDrawView->SetDragStripes( pNewOpt->IsCrossHair() );
59  m_pDrawView->SetGridSnap( pNewOpt->IsSnap() );
60  m_pDrawView->SetGridVisible( pNewOpt->IsGridVisible() );
61  const Size &rSz = pNewOpt->GetSnapSize();
62  m_pDrawView->SetGridCoarse( rSz );
63  const Size aFSize
64  ( rSz.Width() ? rSz.Width() /std::max(short(1),pNewOpt->GetDivisionX()):0,
65  rSz.Height()? rSz.Height()/std::max(short(1),pNewOpt->GetDivisionY()):0);
66  m_pDrawView->SetGridFine( aFSize );
67  Fraction aSnGrWdtX(rSz.Width(), pNewOpt->GetDivisionX() + 1);
68  Fraction aSnGrWdtY(rSz.Height(), pNewOpt->GetDivisionY() + 1);
69  m_pDrawView->SetSnapGridWidth( aSnGrWdtX, aSnGrWdtY );
70 
71  if ( pRoot->getFrameArea().HasArea() )
72  m_pDrawView->SetWorkArea( pRoot->getFrameArea().SVRect() );
73 
74  if ( GetShell()->IsPreview() )
75  m_pDrawView->SetAnimationEnabled( false );
76 
77  m_pDrawView->SetUseIncompatiblePathCreateInterface( false );
78 
79  // set handle size to 9 pixels, always
80  m_pDrawView->SetMarkHdlSizePixel(9);
81 }
82 
85  m_pShell( pParent ),
86  m_pSdrPageView( nullptr ),
87  m_pFirstVisiblePage( nullptr ),
88  m_pLayAction( nullptr ),
89  m_pIdleAct( nullptr ),
90  m_bFirstPageInvalid( true ),
91  m_bResetHdlHiddenPaint( false ),
92  m_bSmoothUpdate( false ),
93  m_bStopSmooth( false ),
94  m_nRestoreActions( 0 )
95 {
96 }
97 
99 {
100  m_pAccessibleMap.reset();
101 
102  m_pPagePreviewLayout.reset();
103 
104  // Make sure HideSdrPage is also executed after ShowSdrPage.
105  if( m_pDrawView )
106  m_pDrawView->HideSdrPage();
107 
108  m_pDrawView.reset();
109 
110  DelRegion();
111 
112  OSL_ENSURE( !m_pLayAction, "Have action for the rest of your life." );
113  OSL_ENSURE( !m_pIdleAct,"Be idle for the rest of your life." );
114 }
115 
117 {
118  m_pRegion.reset();
119 }
120 
122 {
123  // In case of tiled rendering the visual area is the last painted tile -> not interesting.
125  {
126  if ( !m_pRegion )
127  {
128  // In case of normal rendering, this makes sure only visible rectangles are painted.
129  // Otherwise get the rectangle of the full document, so all paint rectangles are invalidated.
131  m_pRegion.reset(new SwRegionRects(rArea));
132  }
133  (*m_pRegion) -= rRect;
134  return true;
135  }
136  return false;
137 }
138 
140 {
141  if ( m_pLayAction )
143 }
144 
146 {
148 }
149 
151 {
153  {
155  return true;
156  }
157  return false;
158 }
159 
160 void SwViewShellImp::SetFirstVisPage(OutputDevice const * pRenderContext)
161 {
163  {
164  //We are in an action and because of erase actions the VisArea is
165  //after the first visible page.
166  //To avoid excessive formatting, hand back the last page.
167  m_pFirstVisiblePage = static_cast<SwPageFrame*>(m_pShell->GetLayout()->Lower());
169  m_pFirstVisiblePage = static_cast<SwPageFrame*>(m_pFirstVisiblePage->GetNext());
170  }
171  else
172  {
173  const SwViewOption* pSwViewOption = GetShell()->GetViewOptions();
174  const bool bBookMode = pSwViewOption->IsViewLayoutBookMode();
175 
176  SwPageFrame *pPage = static_cast<SwPageFrame*>(m_pShell->GetLayout()->Lower());
177  SwRect aPageRect = pPage->GetBoundRect(pRenderContext);
178  while ( pPage && !aPageRect.IsOver( m_pShell->VisArea() ) )
179  {
180  pPage = static_cast<SwPageFrame*>(pPage->GetNext());
181  if ( pPage )
182  {
183  aPageRect = pPage->GetBoundRect(pRenderContext);
184  if ( bBookMode && pPage->IsEmptyPage() )
185  {
186  const SwPageFrame& rFormatPage = pPage->GetFormatPage();
187  aPageRect.SSize() = rFormatPage.GetBoundRect(pRenderContext).SSize();
188  }
189  }
190  }
191  m_pFirstVisiblePage = pPage ? pPage : static_cast<SwPageFrame*>(m_pShell->GetLayout()->Lower());
192  }
193  m_bFirstPageInvalid = false;
194 }
195 
197 {
199 
200  // the else here is not an error, MakeDrawModel_() calls this method again
201  // after the DrawModel is created to create DrawViews for all shells...
202  if( !rIDDMA.GetDrawModel() )
203  {
204  rIDDMA.MakeDrawModel_();
205  }
206  else
207  {
208  if ( !m_pDrawView )
209  {
210  // #i72809#
211  // Discussed with FME, he also thinks that the getPrinter is old and not correct. When i got
212  // him right, it anyways returns GetOut() when it's a printer, but NULL when not. He suggested
213  // to use GetOut() and check the existing cases.
214  // Check worked well. Took a look at viewing, printing, PDF export and print preview with a test
215  // document which has an empty 2nd page (right page, see bug)
216  OutputDevice* pOutDevForDrawView = GetShell()->GetWin();
217 
218  if(!pOutDevForDrawView)
219  {
220  pOutDevForDrawView = GetShell()->GetOut();
221  }
222 
223  m_pDrawView.reset( new SwDrawView(
224  *this,
225  *rIDDMA.GetOrCreateDrawModel(),
226  pOutDevForDrawView) );
227  }
228 
229  GetDrawView()->SetActiveLayer("Heaven");
230  const SwViewOption* pSwViewOption = GetShell()->GetViewOptions();
231  Init(pSwViewOption);
232 
233  // #i68597# If document is read-only, we will not profit from overlay,
234  // so switch it off.
235  if (m_pDrawView->IsBufferedOverlayAllowed())
236  {
237  if(pSwViewOption->IsReadonly())
238  {
239  m_pDrawView->SetBufferedOverlayAllowed(false);
240  }
241  }
242  }
243 }
244 
246 {
247  Color aRet( COL_TRANSPARENT );
248  const SwViewShell &rSh = *GetShell();
249  if ( rSh.GetWin() )
250  {
251  if ( rSh.GetViewOptions()->getBrowseMode() &&
253  aRet = rSh.GetViewOptions()->GetRetoucheColor();
254  else if(rSh.GetViewOptions()->IsPagePreview() &&
255  !SW_MOD()->GetAccessibilityOptions().GetIsForPagePreviews())
256  aRet = COL_WHITE;
257  else
258  aRet = SwViewOption::GetDocColor();
259  }
260  return aRet;
261 }
262 
264 {
265  if ( m_bFirstPageInvalid )
266  SetFirstVisPage(pRenderContext);
267  return m_pFirstVisiblePage;
268 }
269 
270 const SwPageFrame *SwViewShellImp::GetFirstVisPage(OutputDevice const * pRenderContext) const
271 {
272  if ( m_bFirstPageInvalid )
273  const_cast<SwViewShellImp*>(this)->SetFirstVisPage(pRenderContext);
274  return m_pFirstVisiblePage;
275 }
276 
277 // create page preview layout
279 {
280  OSL_ENSURE( m_pShell->GetLayout(), "no layout - page preview layout can not be created.");
281  if ( m_pShell->GetLayout() )
283 }
284 
286 {
287  // We require a layout and an XModel to be accessible.
289  vcl::Window *pWin = GetShell()->GetWin();
290  OSL_ENSURE( GetShell()->GetLayout(), "no layout, no access" );
291  OSL_ENSURE( pWin, "no window, no access" );
292 
293  if( IsAccessible() && rIDLA.GetCurrentViewShell() && pWin )
294  {
295  try
296  {
298  }
299  catch (uno::Exception const&)
300  {
301  TOOLS_WARN_EXCEPTION("sw.a11y", "");
302  assert(!"SwViewShellImp::UpdateAccessible: unhandled exception");
303  }
304  }
305 }
306 
308  const SdrObject *pObj,
309  bool bRecursive,
310  bool bCanSkipInvisible)
311 {
312  OSL_ENSURE( !pFrame || pFrame->IsAccessibleFrame(), "frame is not accessible" );
313  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
314  {
315  if( rTmp.Imp()->IsAccessible() )
316  rTmp.Imp()->GetAccessibleMap().A11yDispose( pFrame, pObj, nullptr, bRecursive, bCanSkipInvisible );
317  }
318 }
319 
320 void SwViewShellImp::MoveAccessible( const SwFrame *pFrame, const SdrObject *pObj,
321  const SwRect& rOldFrame )
322 {
323  OSL_ENSURE( !pFrame || pFrame->IsAccessibleFrame(), "frame is not accessible" );
324  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
325  {
326  if( rTmp.Imp()->IsAccessible() )
327  rTmp.Imp()->GetAccessibleMap().InvalidatePosOrSize( pFrame, pObj, nullptr,
328  rOldFrame );
329  }
330 }
331 
333 {
334  OSL_ENSURE( pFrame->IsAccessibleFrame(), "frame is not accessible" );
335  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
336  {
337  if( rTmp.Imp()->IsAccessible() )
338  rTmp.Imp()->GetAccessibleMap().InvalidateContent( pFrame );
339  }
340 }
341 
343 {
344  if( IsAccessible() )
346 }
347 
349  const SwFrame *pFrame )
350 {
351  if( bAllShells )
352  {
353  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
354  {
355  if( rTmp.Imp()->IsAccessible() )
356  rTmp.Imp()->GetAccessibleMap().InvalidateEditableStates( pFrame );
357  }
358  }
359  else if( IsAccessible() )
360  {
362  }
363 }
364 
366  const SwFlyFrame *pFollow )
367 {
368  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
369  {
370  if( rTmp.Imp()->IsAccessible() )
371  rTmp.Imp()->GetAccessibleMap().InvalidateRelationSet( pMaster,
372  pFollow );
373  }
374 }
375 
378  const SwTextFrame* _pToTextFrame )
379 {
380  if ( !_pFromTextFrame && !_pToTextFrame )
381  {
382  // No text frame provided. Thus, nothing to do.
383  return;
384  }
385 
386  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
387  {
388  if ( rTmp.Imp()->IsAccessible() )
389  {
390  if ( _pFromTextFrame )
391  {
392  rTmp.Imp()->GetAccessibleMap().
393  InvalidateParaFlowRelation( *_pFromTextFrame, true );
394  }
395  if ( _pToTextFrame )
396  {
397  rTmp.Imp()->GetAccessibleMap().
398  InvalidateParaFlowRelation( *_pToTextFrame, false );
399  }
400  }
401  }
402 }
403 
406 {
407  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
408  {
409  if ( rTmp.Imp()->IsAccessible() )
410  {
411  rTmp.Imp()->GetAccessibleMap().InvalidateTextSelectionOfAllParas();
412  }
413  }
414 }
415 
418 {
419  for(SwViewShell& rTmp : GetShell()->GetRingContainer())
420  {
421  if ( rTmp.Imp()->IsAccessible() )
422  {
423  rTmp.Imp()->GetAccessibleMap().InvalidateAttr( rTextFrame );
424  }
425  }
426 }
427 
428 void SwViewShellImp::UpdateAccessiblePreview( const std::vector<std::unique_ptr<PreviewPage>>& _rPreviewPages,
429  const Fraction& _rScale,
430  const SwPageFrame* _pSelectedPageFrame,
431  const Size& _rPreviewWinSize )
432 {
433  if( IsAccessible() )
434  GetAccessibleMap().UpdatePreview( _rPreviewPages, _rScale,
435  _pSelectedPageFrame, _rPreviewWinSize );
436 }
437 
439 {
440  if( IsAccessible() )
442 }
443 
445 {
446  assert(!m_pAccessibleMap);
447  m_pAccessibleMap = std::make_shared<SwAccessibleMap>(GetShell());
448  return m_pAccessibleMap.get();
449 }
450 
452 {
453  if( IsAccessible() )
455 }
456 
457 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
vcl::RenderContext * GetOut() const
Definition: viewsh.hxx:341
bool m_bFirstPageInvalid
Definition: viewimp.hxx:79
long Width() const
Base class of the Writer layout elements.
Definition: frame.hxx:297
Represents the visualization of a paragraph.
Definition: txtfrm.hxx:149
void InvalidateAccessibleFrameContent(const SwFrame *pFrame)
Invalidate accessible frame's content.
Definition: viewimp.cxx:332
void FireAccessibleEvents()
Fire all accessible events that have been collected so far.
Definition: viewimp.cxx:451
void DelRegion()
Definition: viewimp.cxx:116
void InvalidateAccessibleCursorPosition(const SwFrame *pFrame)
Invalidate accessible frame's cursor position.
Definition: viewimp.cxx:342
const Color & GetRetoucheColor() const
Definition: viewopt.hxx:550
void InvalidateAccessibleRelationSet(const SwFlyFrame *pMaster, const SwFlyFrame *pFollow)
Invalidate frame's relation set (for chained frames)
Definition: viewimp.cxx:365
virtual void SetSize(const Size &aSiz)
bool IsPagePreview() const
Definition: viewopt.hxx:607
long Height() const
void DisposeAccessible(const SwFrame *pFrame, const SdrObject *pObj, bool bRecursive, bool bCanSkipInvisible)
Remove a frame from the accessible view.
Definition: viewimp.cxx:307
void InvalidateAccessibleParaAttrs_(const SwTextFrame &rTextFrame)
invalidate attributes for paragraphs and paragraph's characters
Definition: viewimp.cxx:417
const SdrPage * GetDrawPage() const
Definition: rootfrm.hxx:224
SwAccessibleMap & GetAccessibleMap()
Definition: viewimp.hxx:271
void Height(long nNew)
Definition: swrect.hxx:190
const SwPageFrame & GetFormatPage() const
Definition: pagechg.cxx:2408
SwViewShellImp(SwViewShell *)
CTor for the core internals.
Definition: viewimp.cxx:84
SwLayAction * m_pLayAction
Definition: viewimp.hxx:71
bool IsAccessible() const
Is this view accessible?
Definition: viewimp.hxx:220
void FireEvents()
Definition: accmap.cxx:3061
void SetDrawPage(SdrPage *pNew)
Definition: rootfrm.hxx:226
Of course Writer needs its own rectangles.
Definition: swrect.hxx:35
The root element of a Writer document layout.
Definition: rootfrm.hxx:79
void InvalidatePreviewSelection(sal_uInt16 nSelPage)
Definition: accmap.cxx:3027
bool IsCalcLayout() const
Definition: layact.hxx:163
virtual SwDrawModel * MakeDrawModel_()=0
const SwPageFrame * GetFirstVisPage(OutputDevice const *pRenderContext) const
Management of the first visible Page.
Definition: viewimp.cxx:270
void MakeDrawView()
Definition: viewimp.cxx:196
constexpr::Color COL_TRANSPARENT(0xFF, 0xFF, 0xFF, 0xFF)
virtual void NotifyInvisibleLayers(SdrPageView &_rSdrPageView)=0
method to notify drawing page view about the invisible layers
bool IsReadonly() const
Definition: viewopt.hxx:435
void Top(const long nTop)
Definition: swrect.hxx:203
short GetDivisionX() const
Definition: viewopt.hxx:416
const SwRect & getFrameArea() const
Definition: frame.hxx:177
bool getBrowseMode() const
Definition: viewopt.hxx:444
bool IsEmptyPage() const
Definition: pagefrm.hxx:143
short GetDivisionY() const
Definition: viewopt.hxx:418
void UpdateAccessiblePreview(const std::vector< std::unique_ptr< PreviewPage >> &_rPreviewPages, const Fraction &_rScale, const SwPageFrame *_pSelectedPageFrame, const Size &_rPreviewWinSize)
update data for accessible preview change method signature due to new page preview functionality ...
Definition: viewimp.cxx:428
const IDocumentDrawModelAccess & getIDocumentDrawModelAccess() const
Provides access to the document draw model interface.
Definition: viewsh.cxx:2591
void CheckWaitCursor()
If an Action is running we ask it to check whether it's time to enable the WaitCursor.
Definition: viewimp.cxx:139
const SwViewShell * GetShell() const
Only for SwViewShell::Init()
Definition: viewimp.hxx:140
SdrPageView * m_pSdrPageView
Definition: viewimp.hxx:66
page preview functionality in the writer
#define TOOLS_WARN_EXCEPTION(area, stream)
bool IsCrossHair() const
Definition: viewopt.hxx:357
#define SW_MOD()
Definition: swmodule.hxx:256
void CheckWaitCursor()
Definition: layact.cxx:77
void Init(const SwViewOption *)
Definition: viewimp.cxx:40
css::uno::Reference< css::accessibility::XAccessible > GetDocumentView()
Definition: accmap.cxx:1846
const SwRect & VisArea() const
Definition: viewsh.cxx:560
void InvalidateCursorPosition(const css::uno::Reference< css::accessibility::XAccessible > &rAcc)
bool IsViewLayoutBookMode() const
Definition: viewopt.hxx:451
SwRect GetBoundRect(OutputDevice const *pOutputDevice) const
Definition: paintfrm.cxx:6105
bool IsCalcLayoutProgress() const
Asks the LayAction if present.
Definition: viewimp.cxx:145
Size GetSize() const
const SwFrame * Lower() const
Definition: layfrm.hxx:101
bool IsPreview() const
Definition: viewsh.hxx:491
std::shared_ptr< SwAccessibleMap > m_pAccessibleMap
note: the map is uniquely owned here - the shared_ptr is only used so that SwAccessibleContext can ch...
Definition: viewimp.hxx:77
const SdrPage * GetPage(sal_uInt16 nPgNum) const
virtual const SwDrawModel * GetDrawModel() const =0
Draw Model and id accessors.
bool HasArea() const
Definition: swrect.hxx:291
void SetUpdateExpFields()
Definition: layact.hxx:152
ring_container GetRingContainer()
Definition: ring.hxx:240
Shell * m_pShell
bool IsUpdateExpFields()
Definition: viewimp.cxx:150
void SSize(const Size &rNew)
Definition: swrect.hxx:177
A page of the document layout.
Definition: pagefrm.hxx:40
const IDocumentLayoutAccess & getIDocumentLayoutAccess() const
Provides access to the document layout interface.
Definition: viewsh.cxx:2595
SwAccessibleMap * CreateAccessibleMap()
Definition: viewimp.cxx:444
void UpdateAccessible()
Update (this) accessible view.
Definition: viewimp.cxx:285
std::unique_ptr< SwDrawView > m_pDrawView
Definition: viewimp.hxx:65
bool mbDocSizeChgd
Definition: viewsh.hxx:122
SwPageFrame * m_pFirstVisiblePage
Definition: viewimp.hxx:68
tools::Rectangle SVRect() const
Definition: swrect.hxx:283
SwDrawView * GetDrawView()
Definition: viewimp.hxx:156
general base class for all free-flowing frames
Definition: flyfrm.hxx:60
SwViewShell * m_pShell
Definition: viewimp.hxx:62
Color GetRetoucheColor() const
Definition: viewimp.cxx:245
virtual const SwViewShell * GetCurrentViewShell() const =0
Returns the layout set at the document.
const SwViewOption * GetViewOptions() const
Definition: viewsh.hxx:426
vcl::Window * GetWin() const
Definition: viewsh.hxx:340
const Size & GetSnapSize() const
Definition: viewopt.hxx:336
virtual SwDrawModel * GetOrCreateDrawModel()=0
void InvalidateEditableStates(const SwFrame *_pFrame)
Definition: accmap.cxx:2818
void UpdatePreview(const std::vector< std::unique_ptr< PreviewPage >> &_rPreviewPages, const Fraction &_rScale, const SwPageFrame *_pSelectedPageFrame, const Size &_rPreviewWinSize)
Definition: accmap.cxx:2987
static Color & GetDocColor()
Definition: viewopt.cxx:360
constexpr::Color COL_WHITE(0xFF, 0xFF, 0xFF)
void SetActiveLayer(const OUString &rName)
void InvalidateAccessibleParaFlowRelation_(const SwTextFrame *_pFromTextFrame, const SwTextFrame *_pToTextFrame)
invalidate CONTENT_FLOWS_FROM/_TO relation for paragraphs
Definition: viewimp.cxx:377
std::unique_ptr< SwPagePreviewLayout > m_pPagePreviewLayout
Definition: viewimp.hxx:87
void InvalidateAccessibleEditableState(bool bAllShells, const SwFrame *pFrame=nullptr)
Invalidate editable state for all accessible frames.
Definition: viewimp.cxx:348
bool IsGridVisible() const
Definition: viewopt.hxx:338
Provides access to the layout of a document.
bool IsAccessibleFrame() const
Definition: frame.hxx:1228
SwLayIdle * m_pIdleAct
Definition: viewimp.hxx:73
bool AddPaintRect(const SwRect &rRect)
Definition: viewimp.cxx:121
void SetFirstVisPage(OutputDevice const *pRenderContext)
Definition: viewimp.cxx:160
bool IsOver(const SwRect &rRect) const
Definition: swrect.cxx:127
bool IsSnap() const
Definition: viewopt.hxx:330
SwRootFrame * GetLayout() const
Definition: viewsh.cxx:2069
std::unique_ptr< SwRegionRects > m_pRegion
Definition: viewimp.hxx:69
void InvalidateAccessiblePreviewSelection(sal_uInt16 nSelPage)
Definition: viewimp.cxx:438
void MoveAccessible(const SwFrame *pFrame, const SdrObject *pObj, const SwRect &rOldFrame)
Move a frame's position in the accessible view.
Definition: viewimp.cxx:320
void InitPagePreviewLayout()
Definition: viewimp.cxx:278
SwFrame * GetNext()
Definition: frame.hxx:656
void InvalidateAccessibleParaTextSelection_()
invalidate text selection for paragraphs
Definition: viewimp.cxx:405