xref: /trunk/main/starmath/source/document.cxx (revision 31bbceb0f9d64c0c2c3b22a794a1666c1f33396e)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
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20  *************************************************************/
21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_starmath.hxx"
24 
25 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
26 #include <com/sun/star/lang/Locale.hpp>
27 #include <com/sun/star/uno/Any.h>
28 
29 #include <comphelper/accessibletexthelper.hxx>
30 #include <comphelper/processfactory.hxx>
31 #include <comphelper/storagehelper.hxx>
32 #include <rtl/logfile.hxx>
33 #include <rtl/ustring.hxx>
34 #include <unotools/eventcfg.hxx>
35 #include <sfx2/event.hxx>
36 #include <sfx2/app.hxx>
37 #include <sfx2/dispatch.hxx>
38 #include <sfx2/docfile.hxx>
39 #include <sfx2/docfilt.hxx>
40 #include <sfx2/fcontnr.hxx>
41 #include <sfx2/msg.hxx>
42 #include <sfx2/objface.hxx>
43 #include <sfx2/printer.hxx>
44 #include <sfx2/request.hxx>
45 #include <sfx2/viewfrm.hxx>
46 #include <sot/clsids.hxx>
47 #include <sot/exchange.hxx>
48 #include <sot/formats.hxx>
49 #include <sot/storage.hxx>
50 #include <svl/eitem.hxx>
51 #include <svl/fstathelper.hxx>
52 #include <svl/intitem.hxx>
53 #include <svl/itempool.hxx>
54 #include <unotools/lingucfg.hxx>
55 #include <unotools/linguprops.hxx>
56 #include <unotools/pathoptions.hxx>
57 #include <svl/ptitem.hxx>
58 #include <svtools/sfxecode.hxx>
59 #include <svl/slstitm.hxx>
60 #include <svl/smplhint.hxx>
61 #include <svl/stritem.hxx>
62 #include <svtools/transfer.hxx>
63 #include <svl/undo.hxx>
64 #include <svl/urihelper.hxx>
65 #include <svl/whiter.hxx>
66 #include <editeng/editeng.hxx>
67 #include <editeng/editstat.hxx>
68 #include <editeng/eeitem.hxx>
69 #include <editeng/fhgtitem.hxx>
70 #include <editeng/fontitem.hxx>
71 #include <editeng/unolingu.hxx>
72 #include <ucbhelper/content.hxx>
73 #include <vcl/mapmod.hxx>
74 #include <tools/mapunit.hxx>
75 #include <vcl/msgbox.hxx>
76 #include <sfx2/sfx.hrc>
77 #include <document.hxx>
78 #include <action.hxx>
79 #include <config.hxx>
80 #include <dialog.hxx>
81 #include <format.hxx>
82 #include <smdll.hxx>
83 #include <starmath.hrc>
84 #include <symbol.hxx>
85 #include <toolbox.hxx>
86 #include <unomodel.hxx>
87 #include <utility.hxx>
88 #include <view.hxx>
89 #include "mathtype.hxx"
90 #include "mathmlimport.hxx"
91 #include "mathmlexport.hxx"
92 #include <sfx2/sfxsids.hrc>
93 #include <svx/svxids.hrc>
94 #include <tools/diagnose_ex.h>
95 
96 using namespace ::com::sun::star;
97 using namespace ::com::sun::star::accessibility;
98 using namespace ::com::sun::star::lang;
99 using namespace ::com::sun::star::ucb;
100 using namespace ::com::sun::star::uno;
101 
102 
103 #define DOCUMENT_BUFFER_SIZE    (sal_uInt16)32768
104 
105 static const char __FAR_DATA pStarMathDoc[] = "StarMathDocument";
106 
107 #define SmDocShell
108 #include "smslots.hxx"
109 
110 
111 TYPEINIT1( SmDocShell, SfxObjectShell );
112 
113 SFX_IMPL_INTERFACE(SmDocShell, SfxObjectShell, SmResId(0))
114 {
115     SFX_POPUPMENU_REGISTRATION(SmResId(RID_VIEWMENU));
116     SFX_POPUPMENU_REGISTRATION(SmResId(RID_COMMANDMENU));
117 }
118 
119 SFX_IMPL_OBJECTFACTORY(SmDocShell, SvGlobalName(SO3_SM_CLASSID), SFXOBJECTSHELL_STD_NORMAL, "smath" )
120 
121 void SmDocShell::SFX_NOTIFY(SfxBroadcaster&, const TypeId&,
122                     const SfxHint& rHint, const TypeId&)
123 {
124     switch (((SfxSimpleHint&)rHint).GetId())
125     {
126         case HINT_FORMATCHANGED:
127             SetFormulaArranged(sal_False);
128 
129             nModifyCount++; //! see comment for SID_GAPHIC_SM in SmDocShell::GetState
130 
131             Repaint();
132             break;
133     }
134 }
135 
136 void SmDocShell::LoadSymbols()
137 {
138     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::LoadSymbols" );
139 
140     SmModule *pp = SM_MOD();
141     pp->GetSymbolManager().Load();
142 }
143 
144 
145 const String SmDocShell::GetComment() const
146 {
147     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetComment" );
148     uno::Reference<document::XDocumentPropertiesSupplier> xDPS(
149         const_cast<SmDocShell*>(this)->GetModel(), uno::UNO_QUERY_THROW);
150     uno::Reference<document::XDocumentProperties> xDocProps(
151         xDPS->getDocumentProperties());
152     return xDocProps->getDescription();
153 }
154 
155 
156 void SmDocShell::SetText(const String& rBuffer)
157 {
158     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SetText" );
159 
160     if (rBuffer != aText)
161     {
162         sal_Bool bIsEnabled = IsEnableSetModified();
163         if( bIsEnabled )
164             EnableSetModified( sal_False );
165 
166         aText = rBuffer;
167         SetFormulaArranged( sal_False );
168 
169         Parse();
170         //Repaint();
171 
172         SmViewShell *pViewSh = SmGetActiveView();
173         if( pViewSh )
174         {
175             pViewSh->GetViewFrame()->GetBindings().Invalidate(SID_TEXT);
176             if ( SFX_CREATE_MODE_EMBEDDED == GetCreateMode() )
177             {
178                 // have SwOleClient::FormatChanged() to align the modified formula properly
179                 // even if the vis area does not change (e.g. when formula text changes from
180                 // "{a over b + c} over d" to "d over {a over b + c}"
181                 SFX_APP()->NotifyEvent(SfxEventHint( SFX_EVENT_VISAREACHANGED, GlobalEventConfig::GetEventName(STR_EVENT_VISAREACHANGED), this));
182 
183                 Repaint();
184             }
185             else
186                 pViewSh->GetGraphicWindow().Invalidate();
187         }
188 
189         if ( bIsEnabled )
190             EnableSetModified( bIsEnabled );
191         SetModified(sal_True);
192 
193         // launch accessible event if necessary
194         SmGraphicAccessible *pAcc = pViewSh ? pViewSh->GetGraphicWindow().GetAccessible_Impl() : 0;
195         if (pAcc)
196         {
197             Any aOldValue, aNewValue;
198             if ( comphelper::OCommonAccessibleText::implInitTextChangedEvent( aText, rBuffer, aOldValue, aNewValue ) )
199             {
200                 pAcc->LaunchEvent( AccessibleEventId::TEXT_CHANGED,
201                         aOldValue, aNewValue );
202             }
203         }
204 
205         if ( GetCreateMode() == SFX_CREATE_MODE_EMBEDDED )
206             OnDocumentPrinterChanged(0);
207     }
208 }
209 
210 void SmDocShell::SetFormat(SmFormat& rFormat)
211 {
212     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SetFormat" );
213 
214     aFormat = rFormat;
215     SetFormulaArranged( sal_False );
216     SetModified( sal_True );
217 
218     nModifyCount++; //! see comment for SID_GAPHIC_SM in SmDocShell::GetState
219 
220     // don't use SmGetActiveView since the view shell might not be active (0 pointer)
221     // if for example the Basic Macro dialog currently has the focus. Thus:
222     SfxViewFrame* pFrm = SfxViewFrame::GetFirst( this );
223     while (pFrm)
224     {
225         pFrm->GetBindings().Invalidate(SID_GAPHIC_SM);
226         pFrm = SfxViewFrame::GetNext( *pFrm, this );
227     }
228 }
229 
230 String SmDocShell::GetAccessibleText()
231 {
232     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetAccessibleText" );
233 
234     if (!IsFormulaArranged())
235         ArrangeFormula();
236     if (0 == aAccText.Len())
237     {
238         DBG_ASSERT( pTree, "Tree missing" );
239         if (pTree)
240             pTree->GetAccessibleText( aAccText );
241     }
242     return aAccText;
243 }
244 
245 void SmDocShell::Parse()
246 {
247     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::Parse" );
248 
249     if (pTree)
250         delete pTree;
251     ReplaceBadChars();
252     pTree = aInterpreter.Parse(aText);
253     nModifyCount++; //! see comment for SID_GAPHIC_SM in SmDocShell::GetState
254     SetFormulaArranged( sal_False );
255 
256     aUsedSymbols = aInterpreter.GetUsedSymbols();
257 }
258 
259 
260 void SmDocShell::ArrangeFormula()
261 {
262     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::ArrangeFormula" );
263 
264     if (IsFormulaArranged())
265         return;
266 
267     //! Nur für die Dauer der Existenz dieses Objekts sind am Drucker die
268     //! richtigen Einstellungen garantiert.
269     SmPrinterAccess  aPrtAcc(*this);
270 //  OutputDevice    *pOutDev = aPrtAcc.GetPrinter();
271     OutputDevice* pOutDev = aPrtAcc.GetRefDev();
272 
273     if (!pOutDev)
274     {
275 #if OSL_DEBUG_LEVEL > 1
276         DBG_ERROR("!! SmDocShell::ArrangeFormula: reference device missing !!");
277 #endif
278     }
279 
280     // falls nötig ein anderes OutputDevice holen für das formatiert wird
281     if (!pOutDev)
282     {
283         SmViewShell *pView = SmGetActiveView();
284         if (pView)
285             pOutDev = &pView->GetGraphicWindow();
286         else
287         {
288             pOutDev = &SM_MOD()->GetDefaultVirtualDev();
289             pOutDev->SetMapMode( MapMode(MAP_100TH_MM) );
290         }
291     }
292     DBG_ASSERT(pOutDev->GetMapMode().GetMapUnit() == MAP_100TH_MM,
293                "Sm : Wrong MapMode");
294 
295     const SmFormat &rFormat = GetFormat();
296     pTree->Prepare(rFormat, *this);
297 
298     // format/draw formulas always from left to right,
299     // and numbers should not be converted
300     sal_uLong nLayoutMode = pOutDev->GetLayoutMode();
301     pOutDev->SetLayoutMode( TEXT_LAYOUT_BIDI_LTR );
302     sal_Int16 nDigitLang = pOutDev->GetDigitLanguage();
303     pOutDev->SetDigitLanguage( LANGUAGE_ENGLISH );
304     //
305     pTree->Arrange(*pOutDev, rFormat);
306     //
307     pOutDev->SetLayoutMode( nLayoutMode );
308     pOutDev->SetDigitLanguage( nDigitLang );
309 
310     SetFormulaArranged(sal_True);
311 
312     // invalidate accessible text
313     aAccText = String();
314 }
315 
316 
317 void SetEditEngineDefaultFonts(
318         EditEngine &/*rEditEngine*/,
319         SfxItemPool &rEditEngineItemPool )
320 {
321         //
322         // set fonts to be used
323         //
324         SvtLinguOptions aOpt;
325         SvtLinguConfig().GetOptions( aOpt );
326         //
327         struct FontDta {
328             sal_Int16       nFallbackLang;
329             sal_Int16       nLang;
330             sal_uInt16      nFontType;
331             sal_uInt16      nFontInfoId;
332             } aTable[3] =
333         {
334             // info to get western font to be used
335             {   LANGUAGE_ENGLISH_US,    LANGUAGE_NONE,
336                 DEFAULTFONT_FIXED,      EE_CHAR_FONTINFO },
337             // info to get CJK font to be used
338             {   LANGUAGE_JAPANESE,      LANGUAGE_NONE,
339                 DEFAULTFONT_CJK_TEXT,   EE_CHAR_FONTINFO_CJK },
340             // info to get CTL font to be used
341             {   LANGUAGE_ARABIC_SAUDI_ARABIA,  LANGUAGE_NONE,
342                 DEFAULTFONT_CTL_TEXT,   EE_CHAR_FONTINFO_CTL }
343         };
344         aTable[0].nLang = aOpt.nDefaultLanguage;
345         aTable[1].nLang = aOpt.nDefaultLanguage_CJK;
346         aTable[2].nLang = aOpt.nDefaultLanguage_CTL;
347         //
348         for (int i = 0;  i < 3;  ++i)
349         {
350             const FontDta &rFntDta = aTable[i];
351             LanguageType nLang = (LANGUAGE_NONE == rFntDta.nLang) ?
352                     rFntDta.nFallbackLang : rFntDta.nLang;
353             Font aFont = Application::GetDefaultDevice()->GetDefaultFont(
354                         rFntDta.nFontType, nLang, DEFAULTFONT_FLAGS_ONLYONE );
355 #ifdef DEBUG_TL
356             ByteString aFntName( aFont.GetName(), 1 );
357             int eFntFamily = aFont.GetFamily();
358             ByteString aFntStyleName( aFont.GetStyleName(), 1 );
359             int ePitch = aFont.GetPitch();
360             int eCharSet = aFont.GetCharSet();
361             fprintf(stderr, "\nFontName %s \n", aFntName.GetBuffer() );
362             fprintf(stderr, "StyleName %s \n", aFntStyleName.GetBuffer() );
363             fprintf(stderr, "eFntFamily %d \n", eFntFamily );
364             fprintf(stderr, "ePitch %d \n", ePitch );
365             fprintf(stderr, "eCharSet %d \n", eCharSet );
366 #endif
367             rEditEngineItemPool.SetPoolDefaultItem(
368                     SvxFontItem( aFont.GetFamily(), aFont.GetName(),
369                         aFont.GetStyleName(), aFont.GetPitch(), aFont.GetCharSet(),
370                         rFntDta.nFontInfoId ) );
371         }
372 
373         // set font heights
374         SvxFontHeightItem aFontHeigt(
375                         Application::GetDefaultDevice()->LogicToPixel(
376                         Size( 0, 11 ), MapMode( MAP_POINT ) ).Height(), 100,
377                         EE_CHAR_FONTHEIGHT );
378         rEditEngineItemPool.SetPoolDefaultItem( aFontHeigt );
379         aFontHeigt.SetWhich( EE_CHAR_FONTHEIGHT_CJK );
380         rEditEngineItemPool.SetPoolDefaultItem( aFontHeigt );
381         aFontHeigt.SetWhich( EE_CHAR_FONTHEIGHT_CTL );
382         rEditEngineItemPool.SetPoolDefaultItem( aFontHeigt );
383 }
384 
385 
386 EditEngine& SmDocShell::GetEditEngine()
387 {
388     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetEditEngine" );
389 
390     if (!pEditEngine)
391     {
392         //!
393         //! see also SmEditWindow::DataChanged !
394         //!
395 
396         pEditEngineItemPool = EditEngine::CreatePool();
397 
398         SetEditEngineDefaultFonts( *pEditEngine, *pEditEngineItemPool );
399 
400         pEditEngine = new EditEngine( pEditEngineItemPool );
401 
402         pEditEngine->EnableUndo( sal_True );
403         pEditEngine->SetDefTab( sal_uInt16(
404             Application::GetDefaultDevice()->GetTextWidth( C2S("XXXX") ) ) );
405 
406         pEditEngine->SetControlWord(
407                 (pEditEngine->GetControlWord() | EE_CNTRL_AUTOINDENTING) &
408                 (~EE_CNTRL_UNDOATTRIBS) &
409                 (~EE_CNTRL_PASTESPECIAL) );
410 
411         pEditEngine->SetWordDelimiters( C2S(" .=+-*/(){}[];\"" ) );
412         pEditEngine->SetRefMapMode( MAP_PIXEL );
413 
414         pEditEngine->SetPaperSize( Size( 800, 0 ) );
415 
416         pEditEngine->EraseVirtualDevice();
417 
418         // set initial text if the document already has some...
419         // (may be the case when reloading a doc)
420         String aTxt( GetText() );
421         if (aTxt.Len())
422             pEditEngine->SetText( aTxt );
423 
424         pEditEngine->ClearModifyFlag();
425 
426         // forces new settings to be used if the itempool was modified
427         // after the creation of the EditEngine
428         //pEditEngine->Clear(); //#77957 incorrect font size
429     }
430     return *pEditEngine;
431 }
432 
433 
434 SfxItemPool& SmDocShell::GetEditEngineItemPool()
435 {
436     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetEditEngineItemPool" );
437 
438     if (!pEditEngineItemPool)
439         GetEditEngine();
440     DBG_ASSERT( pEditEngineItemPool, "EditEngineItemPool missing" );
441     return *pEditEngineItemPool;
442 }
443 
444 
445 void SmDocShell::Draw(OutputDevice &rDev, Point &rPosition)
446 {
447     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::Draw" );
448 
449     if (!pTree)
450         Parse();
451     DBG_ASSERT(pTree, "Sm : NULL pointer");
452 
453     if (!IsFormulaArranged())
454         ArrangeFormula();
455 
456     // Problem: Was passiert mit dem WYSIWYG? Wir haben während wir inplace aktiv
457     // sind kein Referenzdevice und sind auch nicht darauf ausgerichtet. Es kann
458     // also jetzt eine Differenz zwischen der VisArea (spricht die Groesse im Client)
459     // und der jetzt vorliegenden Groesse geben.
460     // Idee: Die Differenz koennte, zumindest behelfsmässig, mit SmNod::SetSize
461     // angepasst werden.
462 
463     rPosition.X() += aFormat.GetDistance( DIS_LEFTSPACE );
464     rPosition.Y() += aFormat.GetDistance( DIS_TOPSPACE  );
465 
466     //! in case of high contrast-mode (accessibility option!)
467     //! the draw mode needs to be set to default, because when embedding
468     //! Math for example in Calc in "a over b" the fraction bar may not
469     //! be visible else. More generally: the FillColor may have been changed.
470     sal_uLong nOldDrawMode = DRAWMODE_DEFAULT;
471     sal_Bool bRestoreDrawMode = sal_False;
472     if (OUTDEV_WINDOW == rDev.GetOutDevType() &&
473         ((Window &) rDev).GetSettings().GetStyleSettings().GetHighContrastMode())
474     {
475         nOldDrawMode = rDev.GetDrawMode();
476         rDev.SetDrawMode( DRAWMODE_DEFAULT );
477         bRestoreDrawMode = sal_True;
478     }
479 
480     // format/draw formulas always from left to right
481     // and numbers should not be converted
482     sal_uLong nLayoutMode = rDev.GetLayoutMode();
483     rDev.SetLayoutMode( TEXT_LAYOUT_BIDI_LTR );
484     sal_Int16 nDigitLang = rDev.GetDigitLanguage();
485     rDev.SetDigitLanguage( LANGUAGE_ENGLISH );
486     //
487     pTree->Draw(rDev, rPosition);
488     //
489     rDev.SetLayoutMode( nLayoutMode );
490     rDev.SetDigitLanguage( nDigitLang );
491 
492     if (bRestoreDrawMode)
493         rDev.SetDrawMode( nOldDrawMode );
494 }
495 
496 
497 
498 Size SmDocShell::GetSize()
499 {
500     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetSize" );
501 
502     Size aRet;
503 
504     if (!pTree)
505         Parse();
506 
507     if (pTree)
508     {
509         if (!IsFormulaArranged())
510             ArrangeFormula();
511         aRet = pTree->GetSize();
512 
513         if ( !aRet.Width() )
514             aRet.Width() = 2000;
515         else
516             aRet.Width()  += aFormat.GetDistance( DIS_LEFTSPACE ) +
517                              aFormat.GetDistance( DIS_RIGHTSPACE );
518         if ( !aRet.Height() )
519             aRet.Height() = 1000;
520         else
521             aRet.Height() += aFormat.GetDistance( DIS_TOPSPACE ) +
522                              aFormat.GetDistance( DIS_BOTTOMSPACE );
523     }
524 
525     return aRet;
526 }
527 
528 
529 SmPrinterAccess::SmPrinterAccess( SmDocShell &rDocShell )
530 {
531     if ( 0 != (pPrinter = rDocShell.GetPrt()) )
532     {
533         pPrinter->Push( PUSH_MAPMODE );
534         if ( SFX_CREATE_MODE_EMBEDDED == rDocShell.GetCreateMode() )
535         {
536             // if it is an embedded object (without its own printer)
537             // we change the MapMode temporarily.
538             //!If it is a document with its own printer the MapMode should
539             //!be set correct (once) elsewhere(!), in order to avoid numerous
540             //!superfluous pushing and popping of the MapMode when using
541             //!this class.
542 
543             const MapUnit eOld = pPrinter->GetMapMode().GetMapUnit();
544             if ( MAP_100TH_MM != eOld )
545             {
546                 MapMode aMap( pPrinter->GetMapMode() );
547                 aMap.SetMapUnit( MAP_100TH_MM );
548                 Point aTmp( aMap.GetOrigin() );
549                 aTmp.X() = OutputDevice::LogicToLogic( aTmp.X(), eOld, MAP_100TH_MM );
550                 aTmp.Y() = OutputDevice::LogicToLogic( aTmp.Y(), eOld, MAP_100TH_MM );
551                 aMap.SetOrigin( aTmp );
552                 pPrinter->SetMapMode( aMap );
553             }
554         }
555     }
556     if ( 0 != (pRefDev = rDocShell.GetRefDev()) && pPrinter != pRefDev )
557     {
558         pRefDev->Push( PUSH_MAPMODE );
559         if ( SFX_CREATE_MODE_EMBEDDED == rDocShell.GetCreateMode() )
560         {
561             // if it is an embedded object (without its own printer)
562             // we change the MapMode temporarily.
563             //!If it is a document with its own printer the MapMode should
564             //!be set correct (once) elsewhere(!), in order to avoid numerous
565             //!superfluous pushing and popping of the MapMode when using
566             //!this class.
567 
568             const MapUnit eOld = pRefDev->GetMapMode().GetMapUnit();
569             if ( MAP_100TH_MM != eOld )
570             {
571                 MapMode aMap( pRefDev->GetMapMode() );
572                 aMap.SetMapUnit( MAP_100TH_MM );
573                 Point aTmp( aMap.GetOrigin() );
574                 aTmp.X() = OutputDevice::LogicToLogic( aTmp.X(), eOld, MAP_100TH_MM );
575                 aTmp.Y() = OutputDevice::LogicToLogic( aTmp.Y(), eOld, MAP_100TH_MM );
576                 aMap.SetOrigin( aTmp );
577                 pRefDev->SetMapMode( aMap );
578             }
579         }
580     }
581 }
582 
583 SmPrinterAccess::~SmPrinterAccess()
584 {
585     if ( pPrinter )
586         pPrinter->Pop();
587     if ( pRefDev && pRefDev != pPrinter )
588         pRefDev->Pop();
589 }
590 
591 
592 Printer* SmDocShell::GetPrt()
593 {
594     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetPrt" );
595 
596     if ( SFX_CREATE_MODE_EMBEDDED == GetCreateMode() )
597     {
598         // Normalerweise wird der Printer vom Server besorgt. Wenn dieser aber
599         // keinen liefert (weil etwa noch keine connection da ist), kann es
600         // dennoch sein, dass wir den Printer kennen, denn dieser wird in
601         // OnDocumentPrinterChanged vom Server durchgereicht und dann temporär
602         // festgehalten.
603         Printer *pPrt = GetDocumentPrinter();
604         if ( !pPrt && pTmpPrinter )
605             pPrt = pTmpPrinter;
606         return pPrt;
607     }
608     else if ( !pPrinter )
609     {
610         SfxItemSet *pOptions =
611             new SfxItemSet(GetPool(),
612                            SID_PRINTSIZE,       SID_PRINTSIZE,
613                            SID_PRINTZOOM,       SID_PRINTZOOM,
614                            SID_PRINTTITLE,      SID_PRINTTITLE,
615                            SID_PRINTTEXT,       SID_PRINTTEXT,
616                            SID_PRINTFRAME,      SID_PRINTFRAME,
617                            SID_NO_RIGHT_SPACES, SID_NO_RIGHT_SPACES,
618                            SID_SAVE_ONLY_USED_SYMBOLS, SID_SAVE_ONLY_USED_SYMBOLS,
619                            0);
620 
621         SmModule *pp = SM_MOD();
622         pp->GetConfig()->ConfigToItemSet(*pOptions);
623         pPrinter = new SfxPrinter(pOptions);
624         pPrinter->SetMapMode( MapMode(MAP_100TH_MM) );
625     }
626     return pPrinter;
627 }
628 
629 OutputDevice* SmDocShell::GetRefDev()
630 {
631     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetRefDev" );
632 
633     if ( SFX_CREATE_MODE_EMBEDDED == GetCreateMode() )
634     {
635         OutputDevice* pOutDev = GetDocumentRefDev();
636         if ( pOutDev )
637             return pOutDev;
638     }
639 
640     return GetPrt();
641 }
642 
643 
644 void SmDocShell::SetPrinter( SfxPrinter *pNew )
645 {
646     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SetPrinter" );
647 
648     delete pPrinter;
649     pPrinter = pNew;    // Eigentumsübergang!
650     pPrinter->SetMapMode( MapMode(MAP_100TH_MM) );
651     SetFormulaArranged(sal_False);
652     Repaint();
653 }
654 
655 void SmDocShell::OnDocumentPrinterChanged( Printer *pPrt )
656 {
657     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::OnDocumentPrinterChanged" );
658 
659     pTmpPrinter = pPrt;
660     SetFormulaArranged(sal_False);
661     Size aOldSize = GetVisArea().GetSize();
662     Repaint();
663     if( aOldSize != GetVisArea().GetSize() && aText.Len() )
664         SetModified( sal_True );
665     pTmpPrinter = 0;
666 }
667 
668 void SmDocShell::Repaint()
669 {
670     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::Repaint" );
671 
672     sal_Bool bIsEnabled = IsEnableSetModified();
673     if ( bIsEnabled )
674         EnableSetModified( sal_False );
675 
676     SetFormulaArranged( sal_False );
677 
678     Size aVisSize = GetSize();
679     SetVisAreaSize( aVisSize );
680     SmViewShell *pViewSh = SmGetActiveView();
681     if (pViewSh)
682         pViewSh->GetGraphicWindow().Invalidate();
683 
684     if ( bIsEnabled )
685         EnableSetModified( bIsEnabled );
686 }
687 
688 
689 SmDocShell::SmDocShell( const sal_uInt64 i_nSfxCreationFlags ) :
690     SfxObjectShell( i_nSfxCreationFlags ),
691     pTree               ( 0 ),
692     pEditEngineItemPool ( 0 ),
693     pEditEngine         ( 0 ),
694     pPrinter            ( 0 ),
695     pTmpPrinter         ( 0 ),
696     nModifyCount        ( 0 ),
697     bIsFormulaArranged  ( sal_False )
698 {
699     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SmDocShell" );
700 
701     SetPool(&SFX_APP()->GetPool());
702 
703     SmModule *pp = SM_MOD();
704     aFormat = pp->GetConfig()->GetStandardFormat();
705 
706     StartListening(aFormat);
707     StartListening(*pp->GetConfig());
708 
709     SetBaseModel( new SmModel(this) );
710 }
711 
712 
713 
714 SmDocShell::~SmDocShell()
715 {
716     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::~SmDocShell" );
717 
718     SmModule *pp = SM_MOD();
719 
720     EndListening(aFormat);
721     EndListening(*pp->GetConfig());
722 
723     delete pEditEngine;
724     SfxItemPool::Free(pEditEngineItemPool);
725     delete pTree;
726     delete pPrinter;
727 }
728 
729 
730 sal_Bool SmDocShell::SetData( const String& rData )
731 {
732     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SetData" );
733 
734     SetText( rData );
735     return sal_True;
736 }
737 
738 
739 sal_Bool SmDocShell::ConvertFrom(SfxMedium &rMedium)
740 {
741     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::ConvertFrom" );
742 
743     sal_Bool     bSuccess = sal_False;
744     const String& rFltName = rMedium.GetFilter()->GetFilterName();
745 
746     DBG_ASSERT( !rFltName.EqualsAscii( STAROFFICE_XML ), "Wrong filter!");
747 
748     if ( rFltName.EqualsAscii( MATHML_XML ) )
749     {
750         if (pTree)
751         {
752             delete pTree;
753             pTree = 0;
754         }
755         Reference<com::sun::star::frame::XModel> xModel(GetModel());
756         SmXMLImportWrapper aEquation(xModel);
757         bSuccess = 0 == aEquation.Import(rMedium);
758     }
759     else
760     {
761         SvStream *pStream = rMedium.GetInStream();
762         if ( pStream )
763         {
764             if ( SotStorage::IsStorageFile( pStream ) )
765             {
766                 SvStorageRef aStorage = new SotStorage( pStream, sal_False );
767                 if ( aStorage->IsStream( C2S( "Equation Native" ) ) )
768                 {
769                     // is this a MathType Storage?
770                     MathType aEquation( aText );
771                     if ( sal_True == (bSuccess = (1 == aEquation.Parse( aStorage )) ))
772                         Parse();
773                 }
774             }
775             else
776             {
777                 //bSuccess = ImportSM20File( pStream );
778             }
779         }
780     }
781 
782     if ( GetCreateMode() == SFX_CREATE_MODE_EMBEDDED )
783     {
784         //???OnDocumentPrinterChanged(0);
785         SetFormulaArranged( sal_False );
786         Repaint();
787     }
788 
789     FinishedLoading( SFX_LOADED_ALL );
790     return bSuccess;
791 }
792 
793 
794 sal_Bool SmDocShell::InitNew( const uno::Reference < embed::XStorage >& xStorage )
795 {
796     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::InitNew" );
797 
798     sal_Bool bRet = sal_False;
799     if ( SfxObjectShell::InitNew( xStorage ) )
800     {
801         bRet = sal_True;
802         SetVisArea(Rectangle(Point(0, 0), Size(2000, 1000)));
803     }
804     return bRet;
805 }
806 
807 
808 sal_Bool SmDocShell::Load( SfxMedium& rMedium )
809 {
810     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::Load" );
811 
812     sal_Bool bRet = sal_False;
813     if( SfxObjectShell::Load( rMedium ))
814     {
815         uno::Reference < embed::XStorage > xStorage = GetMedium()->GetStorage();
816         uno::Reference < container::XNameAccess > xAccess (xStorage, uno::UNO_QUERY);
817         if (
818             (
819              xAccess->hasByName( C2S( "content.xml" ) ) &&
820              xStorage->isStreamElement( C2S( "content.xml" ) )
821             ) ||
822             (
823              xAccess->hasByName( C2S( "Content.xml" ) ) &&
824              xStorage->isStreamElement( C2S( "Content.xml" ) )
825             )
826            )
827         {
828             // is this a fabulous math package?
829             Reference<com::sun::star::frame::XModel> xModel(GetModel());
830             SmXMLImportWrapper aEquation(xModel);
831             sal_uLong nError = aEquation.Import(rMedium);
832             bRet = 0 == nError;
833             SetError( nError, ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ) );
834         }
835     }
836 
837     if ( GetCreateMode() == SFX_CREATE_MODE_EMBEDDED )
838     {
839         //???OnDocumentPrinterChanged(0);
840         SetFormulaArranged( sal_False );
841         Repaint();
842     }
843 
844     FinishedLoading( SFX_LOADED_ALL );
845     return bRet;
846 }
847 
848 //------------------------------------------------------------------
849 
850 sal_Bool SmDocShell::Save()
851 {
852     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::Save" );
853 
854     //! apply latest changes if necessary
855     UpdateText();
856 
857     if ( SfxObjectShell::Save() )
858     {
859         if (!pTree)
860             Parse();
861         if( pTree && !IsFormulaArranged() )
862             ArrangeFormula();
863 
864         Reference<com::sun::star::frame::XModel> xModel(GetModel());
865         SmXMLExportWrapper aEquation(xModel);
866         aEquation.SetFlat(sal_False);
867         return aEquation.Export(*GetMedium());
868     }
869 
870     return sal_False;
871 }
872 
873 /*
874  * replace bad characters that can not be saved. (#i74144)
875  * */
876 sal_Bool SmDocShell::ReplaceBadChars()
877 {
878     sal_Bool bReplace = sal_False;
879     if (pEditEngine)
880     {
881         String aEngTxt( pEditEngine->GetText( LINEEND_LF ) );
882         const sal_Unicode *pEngTxt = aEngTxt.GetBuffer();
883         xub_StrLen nLen = aEngTxt.Len();
884         for (xub_StrLen i = 0;  i < nLen && !bReplace;  ++i)
885         {
886             const sal_Unicode c = *pEngTxt++;
887             if (c < ' ' && c != '\r' && c != '\n' && c != '\t')
888                 bReplace = sal_True;
889         }
890         if (bReplace)
891         {
892             sal_Unicode *pChgTxt = aEngTxt.GetBufferAccess();
893             for (xub_StrLen i = 0;  i < nLen;  ++i)
894             {
895                 sal_Unicode &rc = *pChgTxt++;
896                 if (rc < ' ' && rc != '\r' && rc != '\n' && rc != '\t')
897                     rc = ' ';
898             }
899             aEngTxt.ReleaseBufferAccess( nLen );
900 
901             aText = aEngTxt;
902         }
903     }
904     return bReplace;
905 }
906 
907 
908 void SmDocShell::UpdateText()
909 {
910     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::UpdateText" );
911 
912     if (pEditEngine && pEditEngine->IsModified())
913     {
914         String aEngTxt( pEditEngine->GetText( LINEEND_LF ) );
915         if (GetText() != aEngTxt)
916             SetText( aEngTxt );
917     }
918 }
919 
920 
921 sal_Bool SmDocShell::SaveAs( SfxMedium& rMedium )
922 {
923     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SaveAs" );
924 
925     sal_Bool bRet = sal_False;
926 
927     //! apply latest changes if necessary
928     UpdateText();
929 
930     if ( SfxObjectShell::SaveAs( rMedium ) )
931     {
932         if (!pTree)
933             Parse();
934         if( pTree && !IsFormulaArranged() )
935             ArrangeFormula();
936 
937         Reference<com::sun::star::frame::XModel> xModel(GetModel());
938         SmXMLExportWrapper aEquation(xModel);
939         aEquation.SetFlat(sal_False);
940         bRet = aEquation.Export(rMedium);
941     }
942     return bRet;
943 }
944 
945 sal_Bool SmDocShell::ConvertTo( SfxMedium &rMedium )
946 {
947     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::ConvertTo" );
948 
949     sal_Bool bRet = sal_False;
950     const SfxFilter* pFlt = rMedium.GetFilter();
951     if( pFlt )
952     {
953         if( !pTree )
954             Parse();
955         if( pTree && !IsFormulaArranged() )
956             ArrangeFormula();
957 
958         const String& rFltName = pFlt->GetFilterName();
959         if(rFltName.EqualsAscii( STAROFFICE_XML ))
960         {
961             Reference<com::sun::star::frame::XModel> xModel(GetModel());
962             SmXMLExportWrapper aEquation(xModel);
963             aEquation.SetFlat(sal_False);
964             bRet = aEquation.Export(rMedium);
965         }
966         else if(rFltName.EqualsAscii( MATHML_XML ))
967         {
968             Reference<com::sun::star::frame::XModel> xModel(GetModel());
969             SmXMLExportWrapper aEquation(xModel);
970             aEquation.SetFlat(sal_True);
971             bRet = aEquation.Export(rMedium);
972         }
973         else if( pFlt->GetFilterName().EqualsAscii("MathType 3.x"))
974             bRet = WriteAsMathType3( rMedium );
975     }
976     return bRet;
977 }
978 
979 sal_Bool SmDocShell::SaveCompleted( const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& xStorage )
980 {
981     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SaveCompleted" );
982 
983     if( SfxObjectShell::SaveCompleted( xStorage ))
984         return sal_True;
985 
986     return sal_False;
987 }
988 
989 
990 void SmDocShell::Execute(SfxRequest& rReq)
991 {
992     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::Execute" );
993 
994     switch (rReq.GetSlot())
995     {
996         case SID_TEXTMODE:
997         {
998             SmFormat aOldFormat  = GetFormat();
999             SmFormat aNewFormat( aOldFormat );
1000             aNewFormat.SetTextmode(!aOldFormat.IsTextmode());
1001 
1002             ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
1003             if (pTmpUndoMgr)
1004                 pTmpUndoMgr->AddUndoAction(
1005                     new SmFormatAction(this, aOldFormat, aNewFormat));
1006 
1007             SetFormat( aNewFormat );
1008             Repaint();
1009         }
1010         break;
1011 
1012         case SID_AUTO_REDRAW :
1013         {
1014             SmModule *pp = SM_MOD();
1015             sal_Bool bRedraw = pp->GetConfig()->IsAutoRedraw();
1016             pp->GetConfig()->SetAutoRedraw(!bRedraw);
1017         }
1018         break;
1019 
1020         case SID_LOADSYMBOLS:
1021             LoadSymbols();
1022         break;
1023 
1024         case SID_SAVESYMBOLS:
1025             SaveSymbols();
1026         break;
1027 
1028         case SID_FONT:
1029         {
1030             // get device used to retrieve the FontList
1031             OutputDevice *pDev = GetPrinter();
1032             if (!pDev || pDev->GetDevFontCount() == 0)
1033                 pDev = &SM_MOD()->GetDefaultVirtualDev();
1034             DBG_ASSERT (pDev, "device for font list missing" );
1035 
1036             SmFontTypeDialog *pFontTypeDialog = new SmFontTypeDialog( NULL, pDev );
1037 
1038             SmFormat aOldFormat  = GetFormat();
1039             pFontTypeDialog->ReadFrom( aOldFormat );
1040             if (pFontTypeDialog->Execute() == RET_OK)
1041             {
1042                 SmFormat aNewFormat( aOldFormat );
1043 
1044                 pFontTypeDialog->WriteTo(aNewFormat);
1045                 ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
1046                 if (pTmpUndoMgr)
1047                     pTmpUndoMgr->AddUndoAction(
1048                         new SmFormatAction(this, aOldFormat, aNewFormat));
1049 
1050                 SetFormat( aNewFormat );
1051                 Repaint();
1052             }
1053             delete pFontTypeDialog;
1054         }
1055         break;
1056 
1057         case SID_FONTSIZE:
1058         {
1059             SmFontSizeDialog *pFontSizeDialog = new SmFontSizeDialog(NULL);
1060 
1061             SmFormat aOldFormat  = GetFormat();
1062             pFontSizeDialog->ReadFrom( aOldFormat );
1063             if (pFontSizeDialog->Execute() == RET_OK)
1064             {
1065                 SmFormat aNewFormat( aOldFormat );
1066 
1067                 pFontSizeDialog->WriteTo(aNewFormat);
1068 
1069                 ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
1070                 if (pTmpUndoMgr)
1071                     pTmpUndoMgr->AddUndoAction(
1072                         new SmFormatAction(this, aOldFormat, aNewFormat));
1073 
1074                 SetFormat( aNewFormat );
1075                 Repaint();
1076             }
1077             delete pFontSizeDialog;
1078         }
1079         break;
1080 
1081         case SID_DISTANCE:
1082         {
1083             SmDistanceDialog *pDistanceDialog = new SmDistanceDialog(NULL);
1084 
1085             SmFormat aOldFormat  = GetFormat();
1086             pDistanceDialog->ReadFrom( aOldFormat );
1087             if (pDistanceDialog->Execute() == RET_OK)
1088             {
1089                 SmFormat aNewFormat( aOldFormat );
1090 
1091                 pDistanceDialog->WriteTo(aNewFormat);
1092 
1093                 ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
1094                 if (pTmpUndoMgr)
1095                     pTmpUndoMgr->AddUndoAction(
1096                         new SmFormatAction(this, aOldFormat, aNewFormat));
1097 
1098                 SetFormat( aNewFormat );
1099                 Repaint();
1100             }
1101             delete pDistanceDialog;
1102         }
1103         break;
1104 
1105         case SID_ALIGN:
1106         {
1107             SmAlignDialog *pAlignDialog = new SmAlignDialog(NULL);
1108 
1109             SmFormat aOldFormat  = GetFormat();
1110             pAlignDialog->ReadFrom( aOldFormat );
1111             if (pAlignDialog->Execute() == RET_OK)
1112             {
1113                 SmFormat aNewFormat( aOldFormat );
1114 
1115                 pAlignDialog->WriteTo(aNewFormat);
1116 
1117                 SmModule *pp = SM_MOD();
1118                 SmFormat aFmt( pp->GetConfig()->GetStandardFormat() );
1119                 pAlignDialog->WriteTo( aFmt );
1120                 pp->GetConfig()->SetStandardFormat( aFmt );
1121 
1122                 ::svl::IUndoManager *pTmpUndoMgr = GetUndoManager();
1123                 if (pTmpUndoMgr)
1124                     pTmpUndoMgr->AddUndoAction(
1125                         new SmFormatAction(this, aOldFormat, aNewFormat));
1126 
1127                 SetFormat( aNewFormat );
1128                 Repaint();
1129             }
1130             delete pAlignDialog;
1131         }
1132         break;
1133 
1134         case SID_TEXT:
1135         {
1136             const SfxStringItem& rItem = (const SfxStringItem&)rReq.GetArgs()->Get(SID_TEXT);
1137             if (GetText() != rItem.GetValue())
1138                 SetText(rItem.GetValue());
1139         }
1140         break;
1141 
1142         case SID_UNDO:
1143         case SID_REDO:
1144         {
1145             ::svl::IUndoManager* pTmpUndoMgr = GetUndoManager();
1146             if( pTmpUndoMgr )
1147             {
1148                 sal_uInt16 nId = rReq.GetSlot(), nCnt = 1;
1149                 const SfxItemSet* pArgs = rReq.GetArgs();
1150                 const SfxPoolItem* pItem;
1151                 if( pArgs && SFX_ITEM_SET == pArgs->GetItemState( nId, sal_False, &pItem ))
1152                     nCnt = ((SfxUInt16Item*)pItem)->GetValue();
1153 
1154                 sal_Bool (::svl::IUndoManager:: *fnDo)();
1155 
1156                 sal_uInt16 nCount;
1157                 if( SID_UNDO == rReq.GetSlot() )
1158                 {
1159                     nCount = pTmpUndoMgr->GetUndoActionCount();
1160                     fnDo = &::svl::IUndoManager::Undo;
1161                 }
1162                 else
1163                 {
1164                     nCount = pTmpUndoMgr->GetRedoActionCount();
1165                     fnDo = &::svl::IUndoManager::Redo;
1166                 }
1167 
1168                 try
1169                 {
1170                     for( ; nCnt && nCount; --nCnt, --nCount )
1171                         (pTmpUndoMgr->*fnDo)();
1172                 }
1173                 catch( const Exception& e )
1174                 {
1175                     DBG_UNHANDLED_EXCEPTION();
1176                 }
1177             }
1178 
1179             SmModule  *pModule = SM_MOD();
1180             if ( pModule && pModule->GetConfig()->IsAutoRedraw() )
1181                 UpdateText();
1182             Repaint();
1183             SfxViewFrame* pFrm = SfxViewFrame::GetFirst( this );
1184             while( pFrm )
1185             {
1186                 SfxBindings& rBind = pFrm->GetBindings();
1187                 rBind.Invalidate(SID_UNDO);
1188                 rBind.Invalidate(SID_REDO);
1189                 rBind.Invalidate(SID_REPEAT);
1190                 rBind.Invalidate(SID_CLEARHISTORY);
1191                 pFrm = SfxViewFrame::GetNext( *pFrm, this );
1192             }
1193         }
1194         break;
1195     }
1196 
1197     rReq.Done();
1198 }
1199 
1200 
1201 void SmDocShell::GetState(SfxItemSet &rSet)
1202 {
1203     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetState" );
1204 
1205     SfxWhichIter aIter(rSet);
1206 
1207     for (sal_uInt16 nWh = aIter.FirstWhich();  0 != nWh;  nWh = aIter.NextWhich())
1208     {
1209         switch (nWh)
1210         {
1211         case SID_TEXTMODE:
1212             rSet.Put(SfxBoolItem(SID_TEXTMODE, GetFormat().IsTextmode()));
1213             break;
1214 
1215         case SID_DOCTEMPLATE :
1216             rSet.DisableItem(SID_DOCTEMPLATE);
1217             break;
1218 
1219         case SID_AUTO_REDRAW :
1220             {
1221                 SmModule  *pp = SM_MOD();
1222                 sal_Bool       bRedraw = pp->GetConfig()->IsAutoRedraw();
1223 
1224                 rSet.Put(SfxBoolItem(SID_AUTO_REDRAW, bRedraw));
1225             }
1226             break;
1227 
1228         case SID_MODIFYSTATUS:
1229             {
1230                 sal_Unicode cMod = ' ';
1231                 if (IsModified())
1232                     cMod = '*';
1233                 rSet.Put(SfxStringItem(SID_MODIFYSTATUS, String(cMod)));
1234             }
1235             break;
1236 
1237         case SID_TEXT:
1238             rSet.Put(SfxStringItem(SID_TEXT, GetText()));
1239             break;
1240 
1241         case SID_GAPHIC_SM:
1242             //! very old (pre UNO) and ugly hack to invalidate the SmGraphicWindow.
1243             //! If nModifyCount gets changed then the call below will implicitly notify
1244             //! SmGraphicController::StateChanged and there the window gets invalidated.
1245             //! Thus all the 'nModifyCount++' before invalidating this slot.
1246             rSet.Put(SfxInt16Item(SID_GAPHIC_SM, nModifyCount));
1247             break;
1248 
1249         case SID_UNDO:
1250         case SID_REDO:
1251             {
1252                 SfxViewFrame* pFrm = SfxViewFrame::GetFirst( this );
1253                 if( pFrm )
1254                     pFrm->GetSlotState( nWh, NULL, &rSet );
1255                 else
1256                     rSet.DisableItem( nWh );
1257             }
1258             break;
1259 
1260         case SID_GETUNDOSTRINGS:
1261         case SID_GETREDOSTRINGS:
1262             {
1263                 ::svl::IUndoManager* pTmpUndoMgr = GetUndoManager();
1264                 if( pTmpUndoMgr )
1265                 {
1266                     UniString(::svl::IUndoManager:: *fnGetComment)( size_t, bool const ) const;
1267 
1268                     sal_uInt16 nCount;
1269                     if( SID_GETUNDOSTRINGS == nWh )
1270                     {
1271                         nCount = pTmpUndoMgr->GetUndoActionCount();
1272                         fnGetComment = &::svl::IUndoManager::GetUndoActionComment;
1273                     }
1274                     else
1275                     {
1276                         nCount = pTmpUndoMgr->GetRedoActionCount();
1277                         fnGetComment = &::svl::IUndoManager::GetRedoActionComment;
1278                     }
1279                     if( nCount )
1280                     {
1281                         String sList;
1282                         for( sal_uInt16 n = 0; n < nCount; ++n )
1283                             ( sList += (pTmpUndoMgr->*fnGetComment)( n, ::svl::IUndoManager::TopLevel ) )
1284                                     += '\n';
1285 
1286                         SfxStringListItem aItem( nWh );
1287                         aItem.SetString( sList );
1288                         rSet.Put( aItem );
1289                     }
1290                 }
1291                 else
1292                     rSet.DisableItem( nWh );
1293             }
1294             break;
1295         }
1296     }
1297 }
1298 
1299 
1300 ::svl::IUndoManager *SmDocShell::GetUndoManager()
1301 {
1302     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetUndoManager" );
1303 
1304     if (!pEditEngine)
1305         GetEditEngine();
1306     return &pEditEngine->GetUndoManager();
1307 }
1308 
1309 
1310 void SmDocShell::SaveSymbols()
1311 {
1312     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SaveSymbols" );
1313 
1314     SmModule *pp = SM_MOD();
1315     pp->GetSymbolManager().Save();
1316 }
1317 
1318 
1319 void SmDocShell::Draw(OutputDevice *pDevice,
1320                       const JobSetup &,
1321                       sal_uInt16 /*nAspect*/)
1322 {
1323     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::Draw" );
1324 
1325     pDevice->IntersectClipRegion(GetVisArea());
1326     Point atmppoint;
1327     Draw(*pDevice, atmppoint);
1328 }
1329 
1330 SfxItemPool& SmDocShell::GetPool() const
1331 {
1332     return SFX_APP()->GetPool();
1333 }
1334 
1335 void SmDocShell::SetVisArea(const Rectangle & rVisArea)
1336 {
1337     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SetVisArea" );
1338 
1339     Rectangle aNewRect(rVisArea);
1340 
1341     aNewRect.SetPos(Point());
1342 
1343     if (! aNewRect.Right()) aNewRect.Right() = 2000;
1344     if (! aNewRect.Bottom()) aNewRect.Bottom() = 1000;
1345 
1346     sal_Bool bIsEnabled = IsEnableSetModified();
1347     if ( bIsEnabled )
1348         EnableSetModified( sal_False );
1349 
1350     // TODO/LATER: it's unclear how this interacts with the SFX code
1351     // If outplace editing, then don't resize the OutplaceWindow. But the
1352     // ObjectShell has to resize. Bug 56470
1353     sal_Bool bUnLockFrame;
1354     if( GetCreateMode() == SFX_CREATE_MODE_EMBEDDED && !IsInPlaceActive() && GetFrame() )
1355     {
1356         GetFrame()->LockAdjustPosSizePixel();
1357         bUnLockFrame = sal_True;
1358     }
1359     else
1360         bUnLockFrame = sal_False;
1361 
1362     SfxObjectShell::SetVisArea( aNewRect );
1363 
1364     if( bUnLockFrame )
1365         GetFrame()->UnlockAdjustPosSizePixel();
1366 
1367     if ( bIsEnabled )
1368         EnableSetModified( bIsEnabled );
1369 }
1370 
1371 
1372 void SmDocShell::FillClass(SvGlobalName* pClassName,
1373                            sal_uInt32*  pFormat,
1374                            String* /*pAppName*/,
1375                            String* pFullTypeName,
1376                            String* pShortTypeName,
1377                            sal_Int32 nFileFormat,
1378                            sal_Bool bTemplate /* = sal_False */) const
1379 {
1380     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::FillClass" );
1381 
1382     if (nFileFormat == SOFFICE_FILEFORMAT_60 )
1383     {
1384         *pClassName     = SvGlobalName(SO3_SM_CLASSID_60);
1385         *pFormat        = SOT_FORMATSTR_ID_STARMATH_60;
1386         *pFullTypeName  = String(SmResId(STR_MATH_DOCUMENT_FULLTYPE_CURRENT));
1387         *pShortTypeName = String(SmResId(RID_DOCUMENTSTR));
1388     }
1389     else if (nFileFormat == SOFFICE_FILEFORMAT_8 )
1390     {
1391         *pClassName     = SvGlobalName(SO3_SM_CLASSID_60);
1392         *pFormat        = bTemplate ? SOT_FORMATSTR_ID_STARMATH_8_TEMPLATE : SOT_FORMATSTR_ID_STARMATH_8;
1393         *pFullTypeName  = String(SmResId(STR_MATH_DOCUMENT_FULLTYPE_CURRENT));
1394         *pShortTypeName = String(SmResId(RID_DOCUMENTSTR));
1395     }
1396 }
1397 
1398 sal_uLong SmDocShell::GetMiscStatus() const
1399 {
1400     return SfxObjectShell::GetMiscStatus() | SVOBJ_MISCSTATUS_NOTRESIZEABLE
1401                                              | SVOBJ_MISCSTATUS_RESIZEONPRINTERCHANGE;
1402 }
1403 
1404 void SmDocShell::SetModified(sal_Bool bModified)
1405 {
1406     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::SetModified" );
1407 
1408     if( IsEnableSetModified() )
1409     {
1410         SfxObjectShell::SetModified( bModified );
1411         Broadcast(SfxSimpleHint(SFX_HINT_DOCCHANGED));
1412     }
1413 }
1414 
1415 sal_Bool SmDocShell::WriteAsMathType3( SfxMedium& rMedium )
1416 {
1417     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::WriteAsMathType3" );
1418 
1419     MathType aEquation( aText, pTree );
1420 
1421     sal_Bool bRet = 0 != aEquation.ConvertFromStarMath( rMedium );
1422     return bRet;
1423 }
1424 
1425 /* vim: set noet sw=4 ts=4: */
1426