xref: /AOO41X/main/vcl/source/control/combobox.cxx (revision 6485ffd2b11bb996603642c324760870d77ebb51)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26 
27 #include <tools/table.hxx>
28 #include <tools/debug.hxx>
29 #include <tools/rc.h>
30 
31 #include <vcl/decoview.hxx>
32 #include <vcl/lstbox.h>
33 #include <vcl/button.hxx>
34 #include <vcl/event.hxx>
35 #include <vcl/combobox.hxx>
36 
37 #include <svdata.hxx>
38 #include <subedit.hxx>
39 #include <ilstbox.hxx>
40 #include <controldata.hxx>
41 
42 // =======================================================================
43 
ImplCreateKey(sal_uInt16 nPos)44 inline sal_uLong ImplCreateKey( sal_uInt16 nPos )
45 {
46     // Key = Pos+1, wegen Pos 0
47     return nPos+1;
48 }
49 
50 // -----------------------------------------------------------------------
51 
lcl_GetSelectedEntries(Table & rSelectedPos,const XubString & rText,xub_Unicode cTokenSep,const ImplEntryList * pEntryList)52 static void lcl_GetSelectedEntries( Table& rSelectedPos, const XubString& rText, xub_Unicode cTokenSep, const ImplEntryList* pEntryList )
53 {
54     for( xub_StrLen n = rText.GetTokenCount( cTokenSep ); n; )
55     {
56         XubString aToken = rText.GetToken( --n, cTokenSep );
57         aToken.EraseLeadingAndTrailingChars( ' ' );
58         sal_uInt16 nPos = pEntryList->FindEntry( aToken );
59         if ( nPos != LISTBOX_ENTRY_NOTFOUND )
60             rSelectedPos.Insert( ImplCreateKey( nPos ), (void*)sal_IntPtr(1L) );
61     }
62 }
63 
64 // =======================================================================
65 
ComboBox(WindowType nType)66 ComboBox::ComboBox( WindowType nType ) :
67     Edit( nType )
68 {
69     ImplInitComboBoxData();
70 }
71 
72 // -----------------------------------------------------------------------
73 
ComboBox(Window * pParent,WinBits nStyle)74 ComboBox::ComboBox( Window* pParent, WinBits nStyle ) :
75     Edit( WINDOW_COMBOBOX )
76 {
77     ImplInitComboBoxData();
78     ImplInit( pParent, nStyle );
79 }
80 
81 // -----------------------------------------------------------------------
82 
ComboBox(Window * pParent,const ResId & rResId)83 ComboBox::ComboBox( Window* pParent, const ResId& rResId ) :
84     Edit( WINDOW_COMBOBOX )
85 {
86     ImplInitComboBoxData();
87     rResId.SetRT( RSC_COMBOBOX );
88     WinBits nStyle = ImplInitRes( rResId );
89     ImplInit( pParent, nStyle );
90     ImplLoadRes( rResId );
91 
92     if ( !(nStyle & WB_HIDE ) )
93         Show();
94 }
95 
96 // -----------------------------------------------------------------------
97 
~ComboBox()98 ComboBox::~ComboBox()
99 {
100     SetSubEdit( NULL );
101     delete mpSubEdit;
102 
103     delete mpImplLB;
104     mpImplLB = NULL;
105 
106     delete mpFloatWin;
107     delete mpBtn;
108 }
109 
110 // -----------------------------------------------------------------------
111 
ImplInitComboBoxData()112 void ComboBox::ImplInitComboBoxData()
113 {
114     mpSubEdit           = NULL;
115     mpBtn               = NULL;
116     mpImplLB            = NULL;
117     mpFloatWin          = NULL;
118 
119     mnDDHeight          = 0;
120     mbDDAutoSize        = sal_True;
121     mbSyntheticModify   = sal_False;
122     mbMatchCase         = sal_False;
123     mcMultiSep          = ';';
124 }
125 
126 // -----------------------------------------------------------------------
127 
ImplCalcEditHeight()128 void ComboBox::ImplCalcEditHeight()
129 {
130     sal_Int32 nLeft, nTop, nRight, nBottom;
131     GetBorder( nLeft, nTop, nRight, nBottom );
132     mnDDHeight = (sal_uInt16)(mpSubEdit->GetTextHeight() + nTop + nBottom + 4);
133     if ( !IsDropDownBox() )
134         mnDDHeight += 4;
135 
136     Rectangle aCtrlRegion( Point( 0, 0 ), Size( 10, 10 ) );
137     Rectangle aBoundRegion, aContentRegion;
138     ImplControlValue aControlValue;
139     ControlType aType = IsDropDownBox() ? CTRL_COMBOBOX : CTRL_EDITBOX;
140     if( GetNativeControlRegion( aType, PART_ENTIRE_CONTROL,
141                                 aCtrlRegion,
142                                 CTRL_STATE_ENABLED,
143                                 aControlValue, rtl::OUString(),
144                                 aBoundRegion, aContentRegion ) )
145     {
146         const long nNCHeight = aBoundRegion.GetHeight();
147         if( mnDDHeight < nNCHeight )
148             mnDDHeight = sal::static_int_cast<sal_uInt16>( nNCHeight );
149     }
150 }
151 
152 // -----------------------------------------------------------------------
153 
ImplInit(Window * pParent,WinBits nStyle)154 void ComboBox::ImplInit( Window* pParent, WinBits nStyle )
155 {
156     ImplInitStyle( nStyle );
157 
158     sal_Bool bNoBorder = ( nStyle & WB_NOBORDER ) ? sal_True : sal_False;
159     if ( !(nStyle & WB_DROPDOWN) )
160     {
161         nStyle &= ~WB_BORDER;
162         nStyle |= WB_NOBORDER;
163     }
164     else
165     {
166         if ( !bNoBorder )
167             nStyle |= WB_BORDER;
168     }
169 
170     Edit::ImplInit( pParent, nStyle );
171     SetBackground();
172 
173     // DropDown ?
174     WinBits nEditStyle = nStyle & ( WB_LEFT | WB_RIGHT | WB_CENTER );
175     WinBits nListStyle = nStyle;
176     if( nStyle & WB_DROPDOWN )
177     {
178         mpFloatWin = new ImplListBoxFloatingWindow( this );
179         mpFloatWin->SetAutoWidth( sal_True );
180         mpFloatWin->SetPopupModeEndHdl( LINK( this, ComboBox, ImplPopupModeEndHdl ) );
181 
182         mpBtn = new ImplBtn( this, WB_NOLIGHTBORDER | WB_RECTSTYLE );
183         ImplInitDropDownButton( mpBtn );
184         mpBtn->SetMBDownHdl( LINK( this, ComboBox, ImplClickBtnHdl ) );
185         mpBtn->Show();
186 
187         nEditStyle |= WB_NOBORDER;
188         nListStyle &= ~WB_BORDER;
189         nListStyle |= WB_NOBORDER;
190     }
191     else
192     {
193         if ( !bNoBorder )
194         {
195             nEditStyle |= WB_BORDER;
196             nListStyle &= ~WB_NOBORDER;
197             nListStyle |= WB_BORDER;
198         }
199     }
200 
201     mpSubEdit = new Edit( this, nEditStyle );
202     mpSubEdit->EnableRTL( sal_False );
203     SetSubEdit( mpSubEdit );
204     mpSubEdit->SetPosPixel( Point() );
205     EnableAutocomplete( sal_True );
206     mpSubEdit->Show();
207 
208     Window* pLBParent = this;
209     if ( mpFloatWin )
210         pLBParent = mpFloatWin;
211     mpImplLB = new ImplListBox( pLBParent, nListStyle|WB_SIMPLEMODE );
212     mpImplLB->SetPosPixel( Point() );
213     mpImplLB->SetSelectHdl( LINK( this, ComboBox, ImplSelectHdl ) );
214     mpImplLB->SetCancelHdl( LINK( this, ComboBox, ImplCancelHdl ) );
215     mpImplLB->SetDoubleClickHdl( LINK( this, ComboBox, ImplDoubleClickHdl ) );
216     mpImplLB->SetUserDrawHdl( LINK( this, ComboBox, ImplUserDrawHdl ) );
217     mpImplLB->SetSelectionChangedHdl( LINK( this, ComboBox, ImplSelectionChangedHdl ) );
218     mpImplLB->SetListItemSelectHdl( LINK( this, ComboBox, ImplListItemSelectHdl ) );
219     mpImplLB->Show();
220 
221     if ( mpFloatWin )
222         mpFloatWin->SetImplListBox( mpImplLB );
223     else
224         mpImplLB->GetMainWindow()->AllowGrabFocus( sal_True );
225 
226     ImplCalcEditHeight();
227 
228     SetCompoundControl( sal_True );
229 }
230 
231 // -----------------------------------------------------------------------
232 
ImplInitStyle(WinBits nStyle)233 WinBits ComboBox::ImplInitStyle( WinBits nStyle )
234 {
235     if ( !(nStyle & WB_NOTABSTOP) )
236         nStyle |= WB_TABSTOP;
237     if ( !(nStyle & WB_NOGROUP) )
238         nStyle |= WB_GROUP;
239     return nStyle;
240 }
241 
242 // -----------------------------------------------------------------------
243 
ImplLoadRes(const ResId & rResId)244 void ComboBox::ImplLoadRes( const ResId& rResId )
245 {
246     Edit::ImplLoadRes( rResId );
247 
248     sal_uLong nNumber = ReadLongRes();
249 
250     if( nNumber )
251     {
252         for( sal_uInt16 i = 0; i < nNumber; i++ )
253         {
254             InsertEntry( ReadStringRes(), LISTBOX_APPEND );
255         }
256     }
257 }
258 
259 // -----------------------------------------------------------------------
260 
EnableAutocomplete(sal_Bool bEnable,sal_Bool bMatchCase)261 void ComboBox::EnableAutocomplete( sal_Bool bEnable, sal_Bool bMatchCase )
262 {
263     mbMatchCase = bMatchCase;
264 
265     if ( bEnable )
266         mpSubEdit->SetAutocompleteHdl( LINK( this, ComboBox, ImplAutocompleteHdl ) );
267     else
268         mpSubEdit->SetAutocompleteHdl( Link() );
269 }
270 
271 // -----------------------------------------------------------------------
272 
IsAutocompleteEnabled() const273 sal_Bool ComboBox::IsAutocompleteEnabled() const
274 {
275     return mpSubEdit->GetAutocompleteHdl().IsSet();
276 }
SetMpSubEditAccessibleName(String & aName)277 void  ComboBox::SetMpSubEditAccessibleName(String &aName)
278 {
279     if(mpSubEdit!=NULL)
280         mpSubEdit->SetAccessibleName(aName);
281 }
282 // -----------------------------------------------------------------------
283 
IMPL_LINK(ComboBox,ImplClickBtnHdl,void *,EMPTYARG)284 IMPL_LINK( ComboBox, ImplClickBtnHdl, void*, EMPTYARG )
285 {
286     ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
287     mpSubEdit->GrabFocus();
288     if ( !mpImplLB->GetEntryList()->GetMRUCount() )
289         ImplUpdateFloatSelection();
290     else
291         mpImplLB->SelectEntry( 0 , sal_True );
292     mpBtn->SetPressed( sal_True );
293     SetSelection( Selection( 0, SELECTION_MAX ) );
294     mpFloatWin->StartFloat( sal_True );
295     ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
296 
297     ImplClearLayoutData();
298     if( mpImplLB )
299         mpImplLB->GetMainWindow()->ImplClearLayoutData();
300 
301     return 0;
302 }
303 
304 // -----------------------------------------------------------------------
305 
IMPL_LINK(ComboBox,ImplPopupModeEndHdl,void *,EMPTYARG)306 IMPL_LINK( ComboBox, ImplPopupModeEndHdl, void*, EMPTYARG )
307 {
308     if( mpFloatWin->IsPopupModeCanceled() )
309     {
310         if ( !mpImplLB->GetEntryList()->IsEntryPosSelected( mpFloatWin->GetPopupModeStartSaveSelection() ) )
311         {
312             mpImplLB->SelectEntry( mpFloatWin->GetPopupModeStartSaveSelection(), sal_True );
313             sal_Bool bTravelSelect = mpImplLB->IsTravelSelect();
314             mpImplLB->SetTravelSelect( sal_True );
315             Select();
316             mpImplLB->SetTravelSelect( bTravelSelect );
317         }
318     }
319 
320     ImplClearLayoutData();
321     if( mpImplLB )
322         mpImplLB->GetMainWindow()->ImplClearLayoutData();
323 
324     mpBtn->SetPressed( sal_False );
325     ImplCallEventListeners( VCLEVENT_DROPDOWN_CLOSE );
326     return 0;
327 }
328 
329 // -----------------------------------------------------------------------
330 
IMPL_LINK(ComboBox,ImplAutocompleteHdl,Edit *,pEdit)331 IMPL_LINK( ComboBox, ImplAutocompleteHdl, Edit*, pEdit )
332 {
333     Selection           aSel = pEdit->GetSelection();
334     AutocompleteAction  eAction = pEdit->GetAutocompleteAction();
335 
336     /* If there is no current selection do not auto complete on
337        Tab/Shift-Tab since then we would not cycle to the next field.
338     */
339     if ( aSel.Len() ||
340          ((eAction != AUTOCOMPLETE_TABFORWARD) && (eAction != AUTOCOMPLETE_TABBACKWARD)) )
341     {
342         XubString   aFullText = pEdit->GetText();
343         XubString   aStartText = aFullText.Copy( 0, (xub_StrLen)aSel.Max() );
344         sal_uInt16      nStart = mpImplLB->GetCurrentPos();
345 
346         if ( nStart == LISTBOX_ENTRY_NOTFOUND )
347             nStart = 0;
348 
349         sal_Bool bForward = sal_True;
350         if ( eAction == AUTOCOMPLETE_TABFORWARD )
351             nStart++;
352         else if ( eAction == AUTOCOMPLETE_TABBACKWARD )
353         {
354             bForward = sal_False;
355             nStart = nStart ? nStart - 1 : mpImplLB->GetEntryList()->GetEntryCount()-1;
356         }
357 
358         sal_uInt16 nPos = LISTBOX_ENTRY_NOTFOUND;
359         if( ! mbMatchCase )
360         {
361             // Try match case insensitive from current position
362             nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, nStart, bForward, sal_True );
363             if ( nPos == LISTBOX_ENTRY_NOTFOUND )
364                 // Try match case insensitive, but from start
365                 nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, bForward ? 0 : (mpImplLB->GetEntryList()->GetEntryCount()-1), bForward, sal_True );
366         }
367 
368         if ( nPos == LISTBOX_ENTRY_NOTFOUND )
369             // Try match full from current position
370             nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, nStart, bForward, sal_False );
371         if ( nPos == LISTBOX_ENTRY_NOTFOUND )
372             //  Match full, but from start
373             nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, bForward ? 0 : (mpImplLB->GetEntryList()->GetEntryCount()-1), bForward, sal_False );
374 
375         if ( nPos != LISTBOX_ENTRY_NOTFOUND )
376         {
377             XubString aText = mpImplLB->GetEntryList()->GetEntryText( nPos );
378             Selection aSelection( aText.Len(), aStartText.Len() );
379             pEdit->SetText( aText, aSelection );
380         }
381     }
382 
383     return 0;
384 }
385 
386 // -----------------------------------------------------------------------
387 
IMPL_LINK(ComboBox,ImplSelectHdl,void *,EMPTYARG)388 IMPL_LINK( ComboBox, ImplSelectHdl, void*, EMPTYARG )
389 {
390     sal_Bool bPopup = IsInDropDown();
391     sal_Bool bCallSelect = sal_False;
392     if ( mpImplLB->IsSelectionChanged() || bPopup )
393     {
394         XubString aText;
395         if ( IsMultiSelectionEnabled() )
396         {
397             aText = mpSubEdit->GetText();
398 
399             // Alle Eintraege entfernen, zu denen es einen Entry gibt, der aber nicht selektiert ist.
400             xub_StrLen nIndex = 0;
401             while ( nIndex != STRING_NOTFOUND )
402             {
403                 xub_StrLen  nPrevIndex = nIndex;
404                 XubString   aToken = aText.GetToken( 0, mcMultiSep, nIndex );
405                 xub_StrLen  nTokenLen = aToken.Len();
406                 aToken.EraseLeadingAndTrailingChars( ' ' );
407                 sal_uInt16      nP = mpImplLB->GetEntryList()->FindEntry( aToken );
408                 if ( (nP != LISTBOX_ENTRY_NOTFOUND) && (!mpImplLB->GetEntryList()->IsEntryPosSelected( nP )) )
409                 {
410                     aText.Erase( nPrevIndex, nTokenLen );
411                     nIndex = sal::static_int_cast<xub_StrLen>(nIndex - nTokenLen);
412                     if ( (nPrevIndex < aText.Len()) && (aText.GetChar( nPrevIndex ) == mcMultiSep) )
413                     {
414                         aText.Erase( nPrevIndex, 1 );
415                         nIndex--;
416                     }
417                 }
418                 aText.EraseLeadingAndTrailingChars( ' ' );
419             }
420 
421             // Fehlende Eintraege anhaengen...
422             Table aSelInText;
423             lcl_GetSelectedEntries( aSelInText, aText, mcMultiSep, mpImplLB->GetEntryList() );
424             sal_uInt16 nSelectedEntries = mpImplLB->GetEntryList()->GetSelectEntryCount();
425             for ( sal_uInt16 n = 0; n < nSelectedEntries; n++ )
426             {
427                 sal_uInt16 nP = mpImplLB->GetEntryList()->GetSelectEntryPos( n );
428                 if ( !aSelInText.IsKeyValid( ImplCreateKey( nP ) ) )
429                 {
430                     if ( aText.Len() && (aText.GetChar( aText.Len()-1 ) != mcMultiSep) )
431                         aText += mcMultiSep;
432                     if ( aText.Len() )
433                         aText += ' ';   // etwas auflockern
434                     aText += mpImplLB->GetEntryList()->GetEntryText( nP );
435                     aText += mcMultiSep;
436                 }
437             }
438             if ( aText.Len() && (aText.GetChar( aText.Len()-1 ) == mcMultiSep) )
439                 aText.Erase( aText.Len()-1, 1 );
440         }
441         else
442         {
443             aText = mpImplLB->GetEntryList()->GetSelectEntry( 0 );
444         }
445 
446         mpSubEdit->SetText( aText );
447 
448         Selection aNewSelection( 0, aText.Len() );
449         if ( IsMultiSelectionEnabled() )
450             aNewSelection.Min() = aText.Len();
451         mpSubEdit->SetSelection( aNewSelection );
452 
453         bCallSelect = sal_True;
454     }
455 
456     // #84652# Call GrabFocus and EndPopupMode before calling Select/Modify, but after changing the text
457 
458     if ( bPopup && !mpImplLB->IsTravelSelect() &&
459         ( !IsMultiSelectionEnabled() || !mpImplLB->GetSelectModifier() ) )
460     {
461         mpFloatWin->EndPopupMode();
462         GrabFocus();
463     }
464 
465     if ( bCallSelect )
466     {
467         mpSubEdit->SetModifyFlag();
468         mbSyntheticModify = sal_True;
469         Modify();
470         mbSyntheticModify = sal_False;
471         Select();
472     }
473 
474     return 0;
475 }
IMPL_LINK(ComboBox,ImplListItemSelectHdl,void *,EMPTYARG)476 IMPL_LINK( ComboBox, ImplListItemSelectHdl,  void*, EMPTYARG )
477 {
478     ImplCallEventListeners( VCLEVENT_DROPDOWN_SELECT );
479     return 1;
480 }
481 // -----------------------------------------------------------------------
482 
IMPL_LINK(ComboBox,ImplCancelHdl,void *,EMPTYARG)483 IMPL_LINK( ComboBox, ImplCancelHdl, void*, EMPTYARG )
484 {
485     if( IsInDropDown() )
486         mpFloatWin->EndPopupMode();
487 
488     return 1;
489 }
490 
491 // -----------------------------------------------------------------------
492 
IMPL_LINK(ComboBox,ImplSelectionChangedHdl,void *,n)493 IMPL_LINK( ComboBox, ImplSelectionChangedHdl, void*, n )
494 {
495     if ( !mpImplLB->IsTrackingSelect() )
496     {
497         sal_uInt16 nChanged = (sal_uInt16)(sal_uLong)n;
498         if ( !mpSubEdit->IsReadOnly() && mpImplLB->GetEntryList()->IsEntryPosSelected( nChanged ) )
499             mpSubEdit->SetText( mpImplLB->GetEntryList()->GetEntryText( nChanged ) );
500     }
501     return 1;
502 }
503 
504 // -----------------------------------------------------------------------
505 
IMPL_LINK(ComboBox,ImplDoubleClickHdl,void *,EMPTYARG)506 IMPL_LINK( ComboBox, ImplDoubleClickHdl, void*, EMPTYARG )
507 {
508     DoubleClick();
509     return 0;
510 }
511 
512 // -----------------------------------------------------------------------
513 
ToggleDropDown()514 void ComboBox::ToggleDropDown()
515 {
516     if( IsDropDownBox() )
517     {
518         if( mpFloatWin->IsInPopupMode() )
519             mpFloatWin->EndPopupMode();
520         else
521         {
522             mpSubEdit->GrabFocus();
523             if ( !mpImplLB->GetEntryList()->GetMRUCount() )
524                 ImplUpdateFloatSelection();
525             else
526                 mpImplLB->SelectEntry( 0 , sal_True );
527             ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
528             mpBtn->SetPressed( sal_True );
529             SetSelection( Selection( 0, SELECTION_MAX ) );
530             mpFloatWin->StartFloat( sal_True );
531             ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
532         }
533     }
534 }
535 
536 // -----------------------------------------------------------------------
537 
Select()538 void ComboBox::Select()
539 {
540     ImplCallEventListenersAndHandler( VCLEVENT_COMBOBOX_SELECT, maSelectHdl, this );
541 }
542 
543 // -----------------------------------------------------------------------
544 
DoubleClick()545 void ComboBox::DoubleClick()
546 {
547     ImplCallEventListenersAndHandler( VCLEVENT_COMBOBOX_DOUBLECLICK, maDoubleClickHdl, this );
548 }
549 
550 // -----------------------------------------------------------------------
551 
EnableAutoSize(sal_Bool bAuto)552 void ComboBox::EnableAutoSize( sal_Bool bAuto )
553 {
554     mbDDAutoSize = bAuto;
555     if ( mpFloatWin )
556     {
557         if ( bAuto && !mpFloatWin->GetDropDownLineCount() )
558         {
559             // Adapt to GetListBoxMaximumLineCount here; was on fixed number of five before
560             AdaptDropDownLineCountToMaximum();
561         }
562         else if ( !bAuto )
563         {
564             mpFloatWin->SetDropDownLineCount( 0 );
565         }
566     }
567 }
568 
569 // -----------------------------------------------------------------------
570 
EnableDDAutoWidth(sal_Bool b)571 void ComboBox::EnableDDAutoWidth( sal_Bool b )
572 {
573     if ( mpFloatWin )
574         mpFloatWin->SetAutoWidth( b );
575 }
576 
577  // -----------------------------------------------------------------------
578 
IsDDAutoWidthEnabled() const579 sal_Bool ComboBox::IsDDAutoWidthEnabled() const
580 {
581     return mpFloatWin ? mpFloatWin->IsAutoWidth() : sal_False;
582 }
583 
584 
585 // -----------------------------------------------------------------------
586 
SetDropDownLineCount(sal_uInt16 nLines)587 void ComboBox::SetDropDownLineCount( sal_uInt16 nLines )
588 {
589     if ( mpFloatWin )
590         mpFloatWin->SetDropDownLineCount( nLines );
591 }
592 
593 // -----------------------------------------------------------------------
594 
AdaptDropDownLineCountToMaximum()595 void ComboBox::AdaptDropDownLineCountToMaximum()
596 {
597     // adapt to maximum allowed number
598     SetDropDownLineCount(std::min(GetEntryCount(), GetSettings().GetStyleSettings().GetListBoxMaximumLineCount()));
599 }
600 
601 // -----------------------------------------------------------------------
602 
GetDropDownLineCount() const603 sal_uInt16 ComboBox::GetDropDownLineCount() const
604 {
605     sal_uInt16 nLines = 0;
606     if ( mpFloatWin )
607         nLines = mpFloatWin->GetDropDownLineCount();
608     return nLines;
609 }
610 
611 // -----------------------------------------------------------------------
612 
SetPosSizePixel(long nX,long nY,long nWidth,long nHeight,sal_uInt16 nFlags)613 void ComboBox::SetPosSizePixel( long nX, long nY, long nWidth, long nHeight,
614                                 sal_uInt16 nFlags )
615 {
616     if( IsDropDownBox() && ( nFlags & WINDOW_POSSIZE_SIZE ) )
617     {
618         Size aPrefSz = mpFloatWin->GetPrefSize();
619         if ( ( nFlags & WINDOW_POSSIZE_HEIGHT ) && ( nHeight >= 2*mnDDHeight ) )
620             aPrefSz.Height() = nHeight-mnDDHeight;
621         if ( nFlags & WINDOW_POSSIZE_WIDTH )
622             aPrefSz.Width() = nWidth;
623         mpFloatWin->SetPrefSize( aPrefSz );
624 
625         if ( IsAutoSizeEnabled() && ! (nFlags & WINDOW_POSSIZE_DROPDOWN) )
626             nHeight = mnDDHeight;
627     }
628 
629     Edit::SetPosSizePixel( nX, nY, nWidth, nHeight, nFlags );
630 }
631 
632 // -----------------------------------------------------------------------
633 
Resize()634 void ComboBox::Resize()
635 {
636     Control::Resize();
637 
638     Size aOutSz = GetOutputSizePixel();
639     if( IsDropDownBox() )
640     {
641         long nSBWidth = GetSettings().GetStyleSettings().GetScrollBarSize();
642         long    nTop = 0;
643         long    nBottom = aOutSz.Height();
644 
645         Window *pBorder = GetWindow( WINDOW_BORDER );
646         ImplControlValue aControlValue;
647         Point aPoint;
648         Rectangle aContent, aBound;
649 
650         // use the full extent of the control
651         Rectangle aArea( aPoint, pBorder->GetOutputSizePixel() );
652 
653         if ( GetNativeControlRegion(CTRL_COMBOBOX, PART_BUTTON_DOWN,
654                 aArea, 0, aControlValue, rtl::OUString(), aBound, aContent) )
655         {
656             // convert back from border space to local coordinates
657             aPoint = pBorder->ScreenToOutputPixel( OutputToScreenPixel( aPoint ) );
658             aContent.Move(-aPoint.X(), -aPoint.Y());
659 
660             mpBtn->SetPosSizePixel( aContent.Left(), nTop, aContent.getWidth(), (nBottom-nTop) );
661 
662             // adjust the size of the edit field
663             if ( GetNativeControlRegion(CTRL_COMBOBOX, PART_SUB_EDIT,
664                         aArea, 0, aControlValue, rtl::OUString(), aBound, aContent) )
665             {
666                 // convert back from border space to local coordinates
667                 aContent.Move(-aPoint.X(), -aPoint.Y());
668 
669                 // use the themes drop down size
670                 mpSubEdit->SetPosSizePixel( aContent.TopLeft(), aContent.GetSize() );
671             }
672             else
673             {
674                 // use the themes drop down size for the button
675                 aOutSz.Width() -= aContent.getWidth();
676                 mpSubEdit->SetSizePixel( aOutSz );
677             }
678         }
679         else
680         {
681             nSBWidth = CalcZoom( nSBWidth );
682             mpSubEdit->SetPosSizePixel( Point( 0, 0 ), Size( aOutSz.Width() - nSBWidth, aOutSz.Height() ) );
683             mpBtn->SetPosSizePixel( aOutSz.Width() - nSBWidth, nTop, nSBWidth, (nBottom-nTop) );
684         }
685     }
686     else
687     {
688         mpSubEdit->SetSizePixel( Size( aOutSz.Width(), mnDDHeight ) );
689         mpImplLB->SetPosSizePixel( 0, mnDDHeight, aOutSz.Width(), aOutSz.Height() - mnDDHeight );
690         if ( GetText().Len() )
691             ImplUpdateFloatSelection();
692     }
693 
694     // FloatingWindow-Groesse auch im unsichtbare Zustand auf Stand halten,
695     // weil KEY_PGUP/DOWN ausgewertet wird...
696     if ( mpFloatWin )
697         mpFloatWin->SetSizePixel( mpFloatWin->CalcFloatSize() );
698 }
699 
700 // -----------------------------------------------------------------------
701 
FillLayoutData() const702 void ComboBox::FillLayoutData() const
703 {
704     mpControlData->mpLayoutData = new vcl::ControlLayoutData();
705     AppendLayoutData( *mpSubEdit );
706     mpSubEdit->SetLayoutDataParent( this );
707     Control* pMainWindow = mpImplLB->GetMainWindow();
708     if( mpFloatWin )
709     {
710         // dropdown mode
711         if( mpFloatWin->IsReallyVisible() )
712         {
713             AppendLayoutData( *pMainWindow );
714             pMainWindow->SetLayoutDataParent( this );
715         }
716     }
717     else
718     {
719         AppendLayoutData( *pMainWindow );
720         pMainWindow->SetLayoutDataParent( this );
721     }
722 }
723 
724 // -----------------------------------------------------------------------
725 
StateChanged(StateChangedType nType)726 void ComboBox::StateChanged( StateChangedType nType )
727 {
728     Edit::StateChanged( nType );
729 
730     if ( nType == STATE_CHANGE_READONLY )
731     {
732         mpImplLB->SetReadOnly( IsReadOnly() );
733         if ( mpBtn )
734             mpBtn->Enable( IsEnabled() && !IsReadOnly() );
735     }
736     else if ( nType == STATE_CHANGE_ENABLE )
737     {
738         mpSubEdit->Enable( IsEnabled() );
739         mpImplLB->Enable( IsEnabled() && !IsReadOnly() );
740         if ( mpBtn )
741             mpBtn->Enable( IsEnabled() && !IsReadOnly() );
742         Invalidate();
743     }
744     else if( nType == STATE_CHANGE_UPDATEMODE )
745     {
746         mpImplLB->SetUpdateMode( IsUpdateMode() );
747     }
748     else if ( nType == STATE_CHANGE_ZOOM )
749     {
750         mpImplLB->SetZoom( GetZoom() );
751         mpSubEdit->SetZoom( GetZoom() );
752         ImplCalcEditHeight();
753         Resize();
754     }
755     else if ( nType == STATE_CHANGE_CONTROLFONT )
756     {
757         mpImplLB->SetControlFont( GetControlFont() );
758         mpSubEdit->SetControlFont( GetControlFont() );
759         ImplCalcEditHeight();
760         Resize();
761     }
762     else if ( nType == STATE_CHANGE_CONTROLFOREGROUND )
763     {
764         mpImplLB->SetControlForeground( GetControlForeground() );
765         mpSubEdit->SetControlForeground( GetControlForeground() );
766     }
767     else if ( nType == STATE_CHANGE_CONTROLBACKGROUND )
768     {
769         mpImplLB->SetControlBackground( GetControlBackground() );
770         mpSubEdit->SetControlBackground( GetControlBackground() );
771     }
772     else if ( nType == STATE_CHANGE_STYLE )
773     {
774         SetStyle( ImplInitStyle( GetStyle() ) );
775         mpImplLB->GetMainWindow()->EnableSort( ( GetStyle() & WB_SORT ) ? sal_True : sal_False );
776     }
777     else if( nType == STATE_CHANGE_MIRRORING )
778     {
779         if( mpBtn )
780         {
781             mpBtn->EnableRTL( IsRTLEnabled() );
782             ImplInitDropDownButton( mpBtn );
783         }
784         mpSubEdit->StateChanged( STATE_CHANGE_MIRRORING );
785         mpImplLB->EnableRTL( IsRTLEnabled() );
786         Resize();
787     }
788 }
789 
790 // -----------------------------------------------------------------------
791 
DataChanged(const DataChangedEvent & rDCEvt)792 void ComboBox::DataChanged( const DataChangedEvent& rDCEvt )
793 {
794     Control::DataChanged( rDCEvt );
795 
796     if ( (rDCEvt.GetType() == DATACHANGED_FONTS) ||
797          (rDCEvt.GetType() == DATACHANGED_FONTSUBSTITUTION) ||
798          ((rDCEvt.GetType() == DATACHANGED_SETTINGS) &&
799           (rDCEvt.GetFlags() & SETTINGS_STYLE)) )
800     {
801         if ( mpBtn )
802         {
803             mpBtn->SetSettings( GetSettings() );
804             ImplInitDropDownButton( mpBtn );
805         }
806         Resize();
807         mpImplLB->Resize(); // Wird nicht durch ComboBox::Resize() gerufen, wenn sich die ImplLB nicht aendert.
808         SetBackground();    // due to a hack in Window::UpdateSettings the background must be reset
809                             // otherwise it will overpaint NWF drawn comboboxes
810     }
811 }
812 
813 // -----------------------------------------------------------------------
814 
PreNotify(NotifyEvent & rNEvt)815 long ComboBox::PreNotify( NotifyEvent& rNEvt )
816 {
817 
818     return Edit::PreNotify( rNEvt );
819 }
820 
821 // -----------------------------------------------------------------------
822 
Notify(NotifyEvent & rNEvt)823 long ComboBox::Notify( NotifyEvent& rNEvt )
824 {
825     long nDone = 0;
826     if( ( rNEvt.GetType() == EVENT_KEYINPUT ) && ( rNEvt.GetWindow() == mpSubEdit )
827             && !IsReadOnly() )
828     {
829         KeyEvent aKeyEvt = *rNEvt.GetKeyEvent();
830         sal_uInt16   nKeyCode = aKeyEvt.GetKeyCode().GetCode();
831         switch( nKeyCode )
832         {
833             case KEY_UP:
834             case KEY_DOWN:
835             case KEY_PAGEUP:
836             case KEY_PAGEDOWN:
837             {
838                 ImplUpdateFloatSelection();
839                 if( ( nKeyCode == KEY_DOWN ) && mpFloatWin && !mpFloatWin->IsInPopupMode() && aKeyEvt.GetKeyCode().IsMod2() )
840                 {
841                     ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
842                     mpBtn->SetPressed( sal_True );
843                     if ( mpImplLB->GetEntryList()->GetMRUCount() )
844                         mpImplLB->SelectEntry( 0 , sal_True );
845                     SetSelection( Selection( 0, SELECTION_MAX ) );
846                     mpFloatWin->StartFloat( sal_False );
847                     ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
848                     nDone = 1;
849                 }
850                 else if( ( nKeyCode == KEY_UP ) && mpFloatWin && mpFloatWin->IsInPopupMode() && aKeyEvt.GetKeyCode().IsMod2() )
851                 {
852                     mpFloatWin->EndPopupMode();
853                     nDone = 1;
854                 }
855                 else
856                 {
857                     nDone = mpImplLB->ProcessKeyInput( aKeyEvt );
858                 }
859             }
860             break;
861 
862             case KEY_RETURN:
863             {
864                 if( ( rNEvt.GetWindow() == mpSubEdit ) && IsInDropDown() )
865                 {
866                     mpImplLB->ProcessKeyInput( aKeyEvt );
867                     nDone = 1;
868                 }
869             }
870             break;
871         }
872     }
873     else if ( (rNEvt.GetType() == EVENT_LOSEFOCUS) && mpFloatWin )
874     {
875         if( mpFloatWin->HasChildPathFocus() )
876             mpSubEdit->GrabFocus();
877         else if ( mpFloatWin->IsInPopupMode() && !HasChildPathFocus( sal_True ) )
878             mpFloatWin->EndPopupMode();
879     }
880     else if( (rNEvt.GetType() == EVENT_COMMAND) &&
881              (rNEvt.GetCommandEvent()->GetCommand() == COMMAND_WHEEL) &&
882              (rNEvt.GetWindow() == mpSubEdit) )
883     {
884         sal_uInt16 nWheelBehavior( GetSettings().GetMouseSettings().GetWheelBehavior() );
885         if  (   ( nWheelBehavior == MOUSE_WHEEL_ALWAYS )
886             ||  (   ( nWheelBehavior == MOUSE_WHEEL_FOCUS_ONLY )
887                 &&  HasChildPathFocus()
888                 )
889             )
890         {
891             nDone = mpImplLB->HandleWheelAsCursorTravel( *rNEvt.GetCommandEvent() );
892         }
893         else
894         {
895             nDone = 0;  // don't eat this event, let the default handling happen (i.e. scroll the context)
896         }
897     }
898     else if( ( rNEvt.GetType() == EVENT_MOUSEBUTTONDOWN ) && ( rNEvt.GetWindow() == mpImplLB->GetMainWindow() ) )
899     {
900         mpSubEdit->GrabFocus();
901     }
902 
903     return nDone ? nDone : Edit::Notify( rNEvt );
904 }
905 
906 // -----------------------------------------------------------------------
907 
SetText(const XubString & rStr)908 void ComboBox::SetText( const XubString& rStr )
909 {
910     ImplCallEventListeners( VCLEVENT_COMBOBOX_SETTEXT );
911 
912     Edit::SetText( rStr );
913     ImplUpdateFloatSelection();
914 }
915 
916 // -----------------------------------------------------------------------
917 
SetText(const XubString & rStr,const Selection & rNewSelection)918 void ComboBox::SetText( const XubString& rStr, const Selection& rNewSelection )
919 {
920     ImplCallEventListeners( VCLEVENT_COMBOBOX_SETTEXT );
921 
922     Edit::SetText( rStr, rNewSelection );
923     ImplUpdateFloatSelection();
924 }
925 
926 // -----------------------------------------------------------------------
927 
Modify()928 void ComboBox::Modify()
929 {
930     if ( !mbSyntheticModify )
931         ImplUpdateFloatSelection();
932 
933     Edit::Modify();
934 }
935 
936 // -----------------------------------------------------------------------
937 
ImplUpdateFloatSelection()938 void ComboBox::ImplUpdateFloatSelection()
939 {
940     // Text in der ListBox in den sichtbaren Bereich bringen
941     mpImplLB->SetCallSelectionChangedHdl( sal_False );
942     if ( !IsMultiSelectionEnabled() )
943     {
944         XubString   aSearchStr( mpSubEdit->GetText() );
945         sal_uInt16      nSelect = LISTBOX_ENTRY_NOTFOUND;
946         sal_Bool        bSelect = sal_True;
947 
948         if ( mpImplLB->GetCurrentPos() != LISTBOX_ENTRY_NOTFOUND )
949         {
950             XubString aCurrent = mpImplLB->GetEntryList()->GetEntryText( mpImplLB->GetCurrentPos() );
951             if ( aCurrent == aSearchStr )
952                 nSelect = mpImplLB->GetCurrentPos();
953         }
954 
955         if ( nSelect == LISTBOX_ENTRY_NOTFOUND )
956             nSelect = mpImplLB->GetEntryList()->FindEntry( aSearchStr );
957         if ( nSelect == LISTBOX_ENTRY_NOTFOUND )
958         {
959             nSelect = mpImplLB->GetEntryList()->FindMatchingEntry( aSearchStr );
960             bSelect = sal_False;
961         }
962 
963         if( nSelect != LISTBOX_ENTRY_NOTFOUND )
964         {
965             if ( !mpImplLB->IsVisible( nSelect ) )
966                 mpImplLB->ShowProminentEntry( nSelect );
967             mpImplLB->SelectEntry( nSelect, bSelect );
968         }
969         else
970         {
971             nSelect = mpImplLB->GetEntryList()->GetSelectEntryPos( 0 );
972             if( nSelect != LISTBOX_ENTRY_NOTFOUND )
973                 mpImplLB->SelectEntry( nSelect, sal_False );
974             mpImplLB->ResetCurrentPos();
975         }
976     }
977     else
978     {
979         Table aSelInText;
980         lcl_GetSelectedEntries( aSelInText, mpSubEdit->GetText(), mcMultiSep, mpImplLB->GetEntryList() );
981         for ( sal_uInt16 n = 0; n < mpImplLB->GetEntryList()->GetEntryCount(); n++ )
982             mpImplLB->SelectEntry( n, aSelInText.IsKeyValid( ImplCreateKey( n ) ) );
983     }
984     mpImplLB->SetCallSelectionChangedHdl( sal_True );
985 }
986 
987 // -----------------------------------------------------------------------
988 
InsertEntry(const XubString & rStr,sal_uInt16 nPos)989 sal_uInt16 ComboBox::InsertEntry( const XubString& rStr, sal_uInt16 nPos )
990 {
991     sal_uInt16 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr );
992     nRealPos = sal::static_int_cast<sal_uInt16>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
993     CallEventListeners( VCLEVENT_COMBOBOX_ITEMADDED, (void*) sal_IntPtr(nRealPos) );
994     return nRealPos;
995 }
996 
997 // -----------------------------------------------------------------------
998 
InsertEntry(const XubString & rStr,const Image & rImage,sal_uInt16 nPos)999 sal_uInt16 ComboBox::InsertEntry( const XubString& rStr, const Image& rImage, sal_uInt16 nPos )
1000 {
1001     sal_uInt16 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr, rImage );
1002     nRealPos = sal::static_int_cast<sal_uInt16>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
1003     CallEventListeners( VCLEVENT_COMBOBOX_ITEMADDED, (void*) sal_IntPtr(nRealPos) );
1004     return nRealPos;
1005 }
1006 
1007 // -----------------------------------------------------------------------
1008 
RemoveEntry(const XubString & rStr)1009 void ComboBox::RemoveEntry( const XubString& rStr )
1010 {
1011     RemoveEntry( GetEntryPos( rStr ) );
1012 }
1013 
1014 // -----------------------------------------------------------------------
1015 
RemoveEntry(sal_uInt16 nPos)1016 void ComboBox::RemoveEntry( sal_uInt16 nPos )
1017 {
1018     mpImplLB->RemoveEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1019     CallEventListeners( VCLEVENT_COMBOBOX_ITEMREMOVED, (void*) sal_IntPtr(nPos) );
1020 }
1021 
1022 // -----------------------------------------------------------------------
1023 
Clear()1024 void ComboBox::Clear()
1025 {
1026     mpImplLB->Clear();
1027     CallEventListeners( VCLEVENT_COMBOBOX_ITEMREMOVED, (void*) sal_IntPtr(-1) );
1028 }
1029 // -----------------------------------------------------------------------
1030 
GetEntryImage(sal_uInt16 nPos) const1031 Image ComboBox::GetEntryImage( sal_uInt16 nPos ) const
1032 {
1033     if ( mpImplLB->GetEntryList()->HasEntryImage( nPos ) )
1034         return mpImplLB->GetEntryList()->GetEntryImage( nPos );
1035     return Image();
1036 }
1037 
1038 // -----------------------------------------------------------------------
1039 
GetEntryPos(const XubString & rStr) const1040 sal_uInt16 ComboBox::GetEntryPos( const XubString& rStr ) const
1041 {
1042     sal_uInt16 nPos = mpImplLB->GetEntryList()->FindEntry( rStr );
1043     if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1044         nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1045     return nPos;
1046 }
1047 
1048 // -----------------------------------------------------------------------
1049 
GetEntryPos(const void * pData) const1050 sal_uInt16 ComboBox::GetEntryPos( const void* pData ) const
1051 {
1052     sal_uInt16 nPos = mpImplLB->GetEntryList()->FindEntry( pData );
1053     if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1054         nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1055     return nPos;
1056 }
1057 
1058 // -----------------------------------------------------------------------
1059 
GetEntry(sal_uInt16 nPos) const1060 XubString ComboBox::GetEntry( sal_uInt16 nPos ) const
1061 {
1062     return mpImplLB->GetEntryList()->GetEntryText( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1063 }
1064 
1065 // -----------------------------------------------------------------------
1066 
GetEntryCount() const1067 sal_uInt16 ComboBox::GetEntryCount() const
1068 {
1069     return mpImplLB->GetEntryList()->GetEntryCount() - mpImplLB->GetEntryList()->GetMRUCount();
1070 }
1071 
1072 // -----------------------------------------------------------------------
1073 
IsTravelSelect() const1074 sal_Bool ComboBox::IsTravelSelect() const
1075 {
1076     return mpImplLB->IsTravelSelect();
1077 }
1078 
1079 // -----------------------------------------------------------------------
1080 
IsInDropDown() const1081 sal_Bool ComboBox::IsInDropDown() const
1082 {
1083     return mpFloatWin && mpFloatWin->IsInPopupMode();
1084 }
1085 
1086 // -----------------------------------------------------------------------
1087 
EnableMultiSelection(sal_Bool bMulti)1088 void ComboBox::EnableMultiSelection( sal_Bool bMulti )
1089 {
1090     mpImplLB->EnableMultiSelection( bMulti, sal_False );
1091     mpImplLB->SetMultiSelectionSimpleMode( sal_True );
1092 }
1093 
1094 // -----------------------------------------------------------------------
1095 
IsMultiSelectionEnabled() const1096 sal_Bool ComboBox::IsMultiSelectionEnabled() const
1097 {
1098     return mpImplLB->IsMultiSelectionEnabled();
1099 }
1100 
1101 // -----------------------------------------------------------------------
1102 
CalcWindowSizePixel(sal_uInt16 nLines) const1103 long ComboBox::CalcWindowSizePixel( sal_uInt16 nLines ) const
1104 {
1105     return mpImplLB->GetEntryHeight() * nLines;
1106 }
1107 
1108 // -----------------------------------------------------------------------
1109 
GetOptimalSize(WindowSizeType eType) const1110 Size ComboBox::GetOptimalSize(WindowSizeType eType) const
1111 {
1112     switch (eType) {
1113     case WINDOWSIZE_MINIMUM:
1114         return CalcMinimumSize();
1115     default:
1116         return Edit::GetOptimalSize( eType );
1117     }
1118 }
1119 
1120 // -----------------------------------------------------------------------
1121 
CalcMinimumSize() const1122 Size ComboBox::CalcMinimumSize() const
1123 {
1124     Size aSz;
1125     if ( !IsDropDownBox() )
1126     {
1127         aSz = mpImplLB->CalcSize( mpImplLB->GetEntryList()->GetEntryCount() );
1128         aSz.Height() += mnDDHeight;
1129     }
1130     else
1131     {
1132         aSz.Height() = mpImplLB->CalcSize( 1 ).Height();
1133         aSz.Width() = mpImplLB->GetMaxEntryWidth();
1134         aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1135     }
1136 
1137     aSz = CalcWindowSize( aSz );
1138     return aSz;
1139 }
1140 
1141 // -----------------------------------------------------------------------
1142 
CalcAdjustedSize(const Size & rPrefSize) const1143 Size ComboBox::CalcAdjustedSize( const Size& rPrefSize ) const
1144 {
1145     Size aSz = rPrefSize;
1146     sal_Int32 nLeft, nTop, nRight, nBottom;
1147     ((Window*)this)->GetBorder( nLeft, nTop, nRight, nBottom );
1148     aSz.Height() -= nTop+nBottom;
1149     if ( !IsDropDownBox() )
1150     {
1151         long nEntryHeight = CalcSize( 1, 1 ).Height();
1152         long nLines = aSz.Height() / nEntryHeight;
1153         if ( nLines < 1 )
1154             nLines = 1;
1155         aSz.Height() = nLines * nEntryHeight;
1156         aSz.Height() += mnDDHeight;
1157     }
1158     else
1159     {
1160         aSz.Height() = mnDDHeight;
1161     }
1162     aSz.Height() += nTop+nBottom;
1163 
1164     aSz = CalcWindowSize( aSz );
1165     return aSz;
1166 }
1167 
1168 // -----------------------------------------------------------------------
1169 
CalcSize(sal_uInt16 nColumns,sal_uInt16 nLines) const1170 Size ComboBox::CalcSize( sal_uInt16 nColumns, sal_uInt16 nLines ) const
1171 {
1172     // ggf. werden ScrollBars eingeblendet
1173     Size aMinSz = CalcMinimumSize();
1174     Size aSz;
1175 
1176     // Hoehe
1177     if ( nLines )
1178     {
1179         if ( !IsDropDownBox() )
1180             aSz.Height() = mpImplLB->CalcSize( nLines ).Height() + mnDDHeight;
1181         else
1182             aSz.Height() = mnDDHeight;
1183     }
1184     else
1185         aSz.Height() = aMinSz.Height();
1186 
1187     // Breite
1188     if ( nColumns )
1189         aSz.Width() = nColumns * GetTextWidth( UniString( 'X' ) );
1190     else
1191         aSz.Width() = aMinSz.Width();
1192 
1193     if ( IsDropDownBox() )
1194         aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1195 
1196     if ( !IsDropDownBox() )
1197     {
1198         if ( aSz.Width() < aMinSz.Width() )
1199             aSz.Height() += GetSettings().GetStyleSettings().GetScrollBarSize();
1200         if ( aSz.Height() < aMinSz.Height() )
1201             aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1202     }
1203 
1204     aSz = CalcWindowSize( aSz );
1205     return aSz;
1206 }
1207 
1208 // -----------------------------------------------------------------------
1209 
GetMaxVisColumnsAndLines(sal_uInt16 & rnCols,sal_uInt16 & rnLines) const1210 void ComboBox::GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const
1211 {
1212     long nCharWidth = GetTextWidth( UniString( 'x' ) );
1213     if ( !IsDropDownBox() )
1214     {
1215         Size aOutSz = mpImplLB->GetMainWindow()->GetOutputSizePixel();
1216         rnCols = (sal_uInt16)(aOutSz.Width()/nCharWidth);
1217         rnLines = (sal_uInt16)(aOutSz.Height()/mpImplLB->GetEntryHeight());
1218     }
1219     else
1220     {
1221         Size aOutSz = mpSubEdit->GetOutputSizePixel();
1222         rnCols = (sal_uInt16)(aOutSz.Width()/nCharWidth);
1223         rnLines = 1;
1224     }
1225 }
1226 
1227 // -----------------------------------------------------------------------
1228 
Draw(OutputDevice * pDev,const Point & rPos,const Size & rSize,sal_uLong nFlags)1229 void ComboBox::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, sal_uLong nFlags )
1230 {
1231     mpImplLB->GetMainWindow()->ImplInitSettings( sal_True, sal_True, sal_True );
1232 
1233     Point aPos = pDev->LogicToPixel( rPos );
1234     Size aSize = pDev->LogicToPixel( rSize );
1235     Font aFont = mpImplLB->GetMainWindow()->GetDrawPixelFont( pDev );
1236     OutDevType eOutDevType = pDev->GetOutDevType();
1237 
1238     pDev->Push();
1239     pDev->SetMapMode();
1240     pDev->SetFont( aFont );
1241     pDev->SetTextFillColor();
1242 
1243     // Border/Background
1244     pDev->SetLineColor();
1245     pDev->SetFillColor();
1246     sal_Bool bBorder = !(nFlags & WINDOW_DRAW_NOBORDER ) && (GetStyle() & WB_BORDER);
1247     sal_Bool bBackground = !(nFlags & WINDOW_DRAW_NOBACKGROUND) && IsControlBackground();
1248     if ( bBorder || bBackground )
1249     {
1250         Rectangle aRect( aPos, aSize );
1251         // aRect.Top() += nEditHeight;
1252         if ( bBorder )
1253         {
1254             ImplDrawFrame( pDev, aRect );
1255         }
1256         if ( bBackground )
1257         {
1258             pDev->SetFillColor( GetControlBackground() );
1259             pDev->DrawRect( aRect );
1260         }
1261     }
1262 
1263     // Inhalt
1264     if ( !IsDropDownBox() )
1265     {
1266         long        nOnePixel = GetDrawPixel( pDev, 1 );
1267         long        nTextHeight = pDev->GetTextHeight();
1268         long        nEditHeight = nTextHeight + 6*nOnePixel;
1269         sal_uInt16      nTextStyle = TEXT_DRAW_VCENTER;
1270 
1271         // First, draw the edit part
1272         mpSubEdit->Draw( pDev, aPos, Size( aSize.Width(), nEditHeight ), nFlags );
1273 
1274         // Second, draw the listbox
1275         if ( GetStyle() & WB_CENTER )
1276             nTextStyle |= TEXT_DRAW_CENTER;
1277         else if ( GetStyle() & WB_RIGHT )
1278             nTextStyle |= TEXT_DRAW_RIGHT;
1279         else
1280             nTextStyle |= TEXT_DRAW_LEFT;
1281 
1282         if ( ( nFlags & WINDOW_DRAW_MONO ) || ( eOutDevType == OUTDEV_PRINTER ) )
1283         {
1284             pDev->SetTextColor( Color( COL_BLACK ) );
1285         }
1286         else
1287         {
1288             if ( !(nFlags & WINDOW_DRAW_NODISABLE ) && !IsEnabled() )
1289             {
1290                 const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
1291                 pDev->SetTextColor( rStyleSettings.GetDisableColor() );
1292             }
1293             else
1294             {
1295                 pDev->SetTextColor( GetTextColor() );
1296             }
1297         }
1298 
1299         Rectangle aClip( aPos, aSize );
1300         pDev->IntersectClipRegion( aClip );
1301         sal_uInt16 nLines = (sal_uInt16) ( (aSize.Height()-nEditHeight) / nTextHeight );
1302         if ( !nLines )
1303             nLines = 1;
1304         sal_uInt16 nTEntry = IsReallyVisible() ? mpImplLB->GetTopEntry() : 0;
1305 
1306         Rectangle aTextRect( aPos, aSize );
1307 
1308         aTextRect.Left() += 3*nOnePixel;
1309         aTextRect.Right() -= 3*nOnePixel;
1310         aTextRect.Top() += nEditHeight + nOnePixel;
1311         aTextRect.Bottom() = aTextRect.Top() + nTextHeight;
1312 
1313         // the drawing starts here
1314         for ( sal_uInt16 n = 0; n < nLines; n++ )
1315         {
1316             pDev->DrawText( aTextRect, mpImplLB->GetEntryList()->GetEntryText( n+nTEntry ), nTextStyle );
1317             aTextRect.Top() += nTextHeight;
1318             aTextRect.Bottom() += nTextHeight;
1319         }
1320     }
1321 
1322     pDev->Pop();
1323 
1324     // Call Edit::Draw after restoring the MapMode...
1325     if ( IsDropDownBox() )
1326     {
1327         mpSubEdit->Draw( pDev, rPos, rSize, nFlags );
1328         // DD-Button ?
1329     }
1330 
1331 }
1332 
1333 // -----------------------------------------------------------------------
1334 
IMPL_LINK(ComboBox,ImplUserDrawHdl,UserDrawEvent *,pEvent)1335 IMPL_LINK( ComboBox, ImplUserDrawHdl, UserDrawEvent*, pEvent )
1336 {
1337     UserDraw( *pEvent );
1338     return 1;
1339 }
1340 
1341 // -----------------------------------------------------------------------
1342 
UserDraw(const UserDrawEvent &)1343 void ComboBox::UserDraw( const UserDrawEvent& )
1344 {
1345 }
1346 
1347 // -----------------------------------------------------------------------
1348 
SetUserItemSize(const Size & rSz)1349 void ComboBox::SetUserItemSize( const Size& rSz )
1350 {
1351     mpImplLB->GetMainWindow()->SetUserItemSize( rSz );
1352 }
1353 
1354 // -----------------------------------------------------------------------
1355 
GetUserItemSize() const1356 const Size& ComboBox::GetUserItemSize() const
1357 {
1358     return mpImplLB->GetMainWindow()->GetUserItemSize();
1359 }
1360 
1361 // -----------------------------------------------------------------------
1362 
EnableUserDraw(sal_Bool bUserDraw)1363 void ComboBox::EnableUserDraw( sal_Bool bUserDraw )
1364 {
1365     mpImplLB->GetMainWindow()->EnableUserDraw( bUserDraw );
1366 }
1367 
1368 // -----------------------------------------------------------------------
1369 
IsUserDrawEnabled() const1370 sal_Bool ComboBox::IsUserDrawEnabled() const
1371 {
1372     return mpImplLB->GetMainWindow()->IsUserDrawEnabled();
1373 }
1374 
1375 // -----------------------------------------------------------------------
1376 
DrawEntry(const UserDrawEvent & rEvt,sal_Bool bDrawImage,sal_Bool bDrawText,sal_Bool bDrawTextAtImagePos)1377 void ComboBox::DrawEntry( const UserDrawEvent& rEvt, sal_Bool bDrawImage, sal_Bool bDrawText, sal_Bool bDrawTextAtImagePos )
1378 {
1379     DBG_ASSERT( rEvt.GetDevice() == mpImplLB->GetMainWindow(), "DrawEntry?!" );
1380     mpImplLB->GetMainWindow()->DrawEntry( rEvt.GetItemId(), bDrawImage, bDrawText, bDrawTextAtImagePos );
1381 }
1382 
1383 // -----------------------------------------------------------------------
1384 
SetSeparatorPos(sal_uInt16 n)1385 void ComboBox::SetSeparatorPos( sal_uInt16 n )
1386 {
1387     mpImplLB->SetSeparatorPos( n );
1388 }
1389 
1390 // -----------------------------------------------------------------------
1391 
SetSeparatorPos()1392 void ComboBox::SetSeparatorPos()
1393 {
1394     mpImplLB->SetSeparatorPos( LISTBOX_ENTRY_NOTFOUND );
1395 }
1396 
1397 // -----------------------------------------------------------------------
1398 
GetSeparatorPos() const1399 sal_uInt16 ComboBox::GetSeparatorPos() const
1400 {
1401     return mpImplLB->GetSeparatorPos();
1402 }
1403 
1404 // -----------------------------------------------------------------------
1405 
SetMRUEntries(const XubString & rEntries,xub_Unicode cSep)1406 void ComboBox::SetMRUEntries( const XubString& rEntries, xub_Unicode cSep )
1407 {
1408     mpImplLB->SetMRUEntries( rEntries, cSep );
1409 }
1410 
1411 // -----------------------------------------------------------------------
1412 
GetMRUEntries(xub_Unicode cSep) const1413 XubString ComboBox::GetMRUEntries( xub_Unicode cSep ) const
1414 {
1415     return mpImplLB->GetMRUEntries( cSep );
1416 }
1417 
1418 // -----------------------------------------------------------------------
1419 
SetMaxMRUCount(sal_uInt16 n)1420 void ComboBox::SetMaxMRUCount( sal_uInt16 n )
1421 {
1422     mpImplLB->SetMaxMRUCount( n );
1423 }
1424 
1425 // -----------------------------------------------------------------------
1426 
GetMaxMRUCount() const1427 sal_uInt16 ComboBox::GetMaxMRUCount() const
1428 {
1429     return mpImplLB->GetMaxMRUCount();
1430 }
1431 
GetMRUCount() const1432 sal_uInt16 ComboBox::GetMRUCount() const
1433 {
1434     return mpImplLB->GetEntryList()->GetMRUCount();
1435 }
1436 // -----------------------------------------------------------------------
1437 
GetDisplayLineCount() const1438 sal_uInt16 ComboBox::GetDisplayLineCount() const
1439 {
1440     return mpImplLB->GetDisplayLineCount();
1441 }
1442 
1443 // -----------------------------------------------------------------------
1444 
SetEntryData(sal_uInt16 nPos,void * pNewData)1445 void ComboBox::SetEntryData( sal_uInt16 nPos, void* pNewData )
1446 {
1447     mpImplLB->SetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount(), pNewData );
1448 }
1449 
1450 // -----------------------------------------------------------------------
1451 
GetEntryData(sal_uInt16 nPos) const1452 void* ComboBox::GetEntryData( sal_uInt16 nPos ) const
1453 {
1454     return mpImplLB->GetEntryList()->GetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1455 }
1456 
1457 // -----------------------------------------------------------------------
1458 
SetTopEntry(sal_uInt16 nPos)1459 void ComboBox::SetTopEntry( sal_uInt16 nPos )
1460 {
1461     mpImplLB->SetTopEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1462 }
1463 
1464 // -----------------------------------------------------------------------
1465 
ShowProminentEntry(sal_uInt16 nPos)1466 void ComboBox::ShowProminentEntry( sal_uInt16 nPos )
1467 {
1468     mpImplLB->ShowProminentEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1469 }
1470 
1471 // -----------------------------------------------------------------------
1472 
GetTopEntry() const1473 sal_uInt16 ComboBox::GetTopEntry() const
1474 {
1475     sal_uInt16 nPos = GetEntryCount() ? mpImplLB->GetTopEntry() : LISTBOX_ENTRY_NOTFOUND;
1476     if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
1477         nPos = 0;
1478     return nPos;
1479 }
1480 
1481 // -----------------------------------------------------------------------
1482 
SetProminentEntryType(ProminentEntry eType)1483 void ComboBox::SetProminentEntryType( ProminentEntry eType )
1484 {
1485     mpImplLB->SetProminentEntryType( eType );
1486 }
1487 
1488 // -----------------------------------------------------------------------
1489 
GetProminentEntryType() const1490 ProminentEntry ComboBox::GetProminentEntryType() const
1491 {
1492     return mpImplLB->GetProminentEntryType();
1493 }
1494 
1495 // -----------------------------------------------------------------------
1496 
GetDropDownPosSizePixel() const1497 Rectangle ComboBox::GetDropDownPosSizePixel() const
1498 {
1499     return mpFloatWin ? mpFloatWin->GetWindowExtentsRelative( const_cast<ComboBox*>(this) ) : Rectangle();
1500 }
1501 
1502 // -----------------------------------------------------------------------
1503 
GetListPosSizePixel() const1504 Rectangle ComboBox::GetListPosSizePixel() const
1505 {
1506     return mpFloatWin ? Rectangle() : mpImplLB->GetMainWindow()->GetWindowExtentsRelative( const_cast<ComboBox*>(this) );
1507 }
1508 
1509 // -----------------------------------------------------------------------
1510 
GetDisplayBackground() const1511 const Wallpaper& ComboBox::GetDisplayBackground() const
1512 {
1513     if( ! mpSubEdit->IsBackground() )
1514         return Control::GetDisplayBackground();
1515 
1516     const Wallpaper& rBack = mpSubEdit->GetBackground();
1517     if( ! rBack.IsBitmap() &&
1518         ! rBack.IsGradient() &&
1519         rBack.GetColor().GetColor() == COL_TRANSPARENT
1520         )
1521         return Control::GetDisplayBackground();
1522     return rBack;
1523 }
1524 // -----------------------------------------------------------------------------
GetSelectEntryCount() const1525 sal_uInt16 ComboBox::GetSelectEntryCount() const
1526 {
1527     return mpImplLB->GetEntryList()->GetSelectEntryCount();
1528 }
1529 // -----------------------------------------------------------------------------
GetSelectEntryPos(sal_uInt16 nIndex) const1530 sal_uInt16 ComboBox::GetSelectEntryPos( sal_uInt16 nIndex ) const
1531 {
1532     sal_uInt16 nPos = mpImplLB->GetEntryList()->GetSelectEntryPos( nIndex );
1533     if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1534     {
1535         if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
1536             nPos = mpImplLB->GetEntryList()->FindEntry( mpImplLB->GetEntryList()->GetEntryText( nPos ) );
1537         nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1538     }
1539     return nPos;
1540 }
1541 // -----------------------------------------------------------------------------
IsEntryPosSelected(sal_uInt16 nPos) const1542 sal_Bool ComboBox::IsEntryPosSelected( sal_uInt16 nPos ) const
1543 {
1544     return mpImplLB->GetEntryList()->IsEntryPosSelected( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1545 }
1546 // -----------------------------------------------------------------------------
SelectEntryPos(sal_uInt16 nPos,sal_Bool bSelect)1547 void ComboBox::SelectEntryPos( sal_uInt16 nPos, sal_Bool bSelect)
1548 {
1549     if ( nPos < mpImplLB->GetEntryList()->GetEntryCount() )
1550         mpImplLB->SelectEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), bSelect );
1551 }
1552 // -----------------------------------------------------------------------------
SetNoSelection()1553 void ComboBox::SetNoSelection()
1554 {
1555     mpImplLB->SetNoSelection();
1556     mpSubEdit->SetText( String() );
1557 }
1558 // -----------------------------------------------------------------------------
GetBoundingRectangle(sal_uInt16 nItem) const1559 Rectangle ComboBox::GetBoundingRectangle( sal_uInt16 nItem ) const
1560 {
1561     Rectangle aRect = mpImplLB->GetMainWindow()->GetBoundingRectangle( nItem );
1562     Rectangle aOffset = mpImplLB->GetMainWindow()->GetWindowExtentsRelative( (Window*)this );
1563     aRect.Move( aOffset.TopLeft().X(), aOffset.TopLeft().Y() );
1564     return aRect;
1565 }
1566 // -----------------------------------------------------------------------------
1567 
SetBorderStyle(sal_uInt16 nBorderStyle)1568 void ComboBox::SetBorderStyle( sal_uInt16 nBorderStyle )
1569 {
1570     Window::SetBorderStyle( nBorderStyle );
1571     if ( !IsDropDownBox() )
1572     {
1573         mpSubEdit->SetBorderStyle( nBorderStyle );
1574         mpImplLB->SetBorderStyle( nBorderStyle );
1575     }
1576 }
1577 // -----------------------------------------------------------------------------
1578 
GetIndexForPoint(const Point & rPoint,sal_uInt16 & rPos) const1579 long ComboBox::GetIndexForPoint( const Point& rPoint, sal_uInt16& rPos ) const
1580 {
1581     if( !HasLayoutData() )
1582         FillLayoutData();
1583 
1584     // check whether rPoint fits at all
1585     long nIndex = Control::GetIndexForPoint( rPoint );
1586     if( nIndex != -1 )
1587     {
1588         // point must be either in main list window
1589         // or in impl window (dropdown case)
1590         ImplListBoxWindow* pMain = mpImplLB->GetMainWindow();
1591 
1592         // convert coordinates to ImplListBoxWindow pixel coordinate space
1593         Point aConvPoint = LogicToPixel( rPoint );
1594         aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint );
1595         aConvPoint = pMain->AbsoluteScreenToOutputPixel( aConvPoint );
1596         aConvPoint = pMain->PixelToLogic( aConvPoint );
1597 
1598         // try to find entry
1599         sal_uInt16 nEntry = pMain->GetEntryPosForPoint( aConvPoint );
1600         if( nEntry == LISTBOX_ENTRY_NOTFOUND )
1601             nIndex = -1;
1602         else
1603             rPos = nEntry;
1604     }
1605 
1606     // get line relative index
1607     if( nIndex != -1 )
1608         nIndex = ToRelativeLineIndex( nIndex );
1609 
1610     return nIndex;
1611 }
1612