xref: /AOO41X/main/vcl/source/control/combobox.cxx (revision 5443dcac4da55ae8863c5c80e8907938642a7f1b)
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.
19  *
20  *************************************************************/
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 
44 inline sal_uLong ImplCreateKey( sal_uInt16 nPos )
45 {
46     // Key = Pos+1, wegen Pos 0
47     return nPos+1;
48 }
49 
50 // -----------------------------------------------------------------------
51 
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 
66 ComboBox::ComboBox( WindowType nType ) :
67     Edit( nType )
68 {
69     ImplInitComboBoxData();
70 }
71 
72 // -----------------------------------------------------------------------
73 
74 ComboBox::ComboBox( Window* pParent, WinBits nStyle ) :
75     Edit( WINDOW_COMBOBOX )
76 {
77     ImplInitComboBoxData();
78     ImplInit( pParent, nStyle );
79 }
80 
81 // -----------------------------------------------------------------------
82 
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 
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 
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 
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 
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->Show();
219 
220     if ( mpFloatWin )
221         mpFloatWin->SetImplListBox( mpImplLB );
222     else
223         mpImplLB->GetMainWindow()->AllowGrabFocus( sal_True );
224 
225     ImplCalcEditHeight();
226 
227     SetCompoundControl( sal_True );
228 }
229 
230 // -----------------------------------------------------------------------
231 
232 WinBits ComboBox::ImplInitStyle( WinBits nStyle )
233 {
234     if ( !(nStyle & WB_NOTABSTOP) )
235         nStyle |= WB_TABSTOP;
236     if ( !(nStyle & WB_NOGROUP) )
237         nStyle |= WB_GROUP;
238     return nStyle;
239 }
240 
241 // -----------------------------------------------------------------------
242 
243 void ComboBox::ImplLoadRes( const ResId& rResId )
244 {
245     Edit::ImplLoadRes( rResId );
246 
247     sal_uLong nNumber = ReadLongRes();
248 
249     if( nNumber )
250     {
251         for( sal_uInt16 i = 0; i < nNumber; i++ )
252         {
253             InsertEntry( ReadStringRes(), LISTBOX_APPEND );
254         }
255     }
256 }
257 
258 // -----------------------------------------------------------------------
259 
260 void ComboBox::EnableAutocomplete( sal_Bool bEnable, sal_Bool bMatchCase )
261 {
262     mbMatchCase = bMatchCase;
263 
264     if ( bEnable )
265         mpSubEdit->SetAutocompleteHdl( LINK( this, ComboBox, ImplAutocompleteHdl ) );
266     else
267         mpSubEdit->SetAutocompleteHdl( Link() );
268 }
269 
270 // -----------------------------------------------------------------------
271 
272 sal_Bool ComboBox::IsAutocompleteEnabled() const
273 {
274     return mpSubEdit->GetAutocompleteHdl().IsSet();
275 }
276 
277 // -----------------------------------------------------------------------
278 
279 IMPL_LINK( ComboBox, ImplClickBtnHdl, void*, EMPTYARG )
280 {
281     ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
282     mpSubEdit->GrabFocus();
283     if ( !mpImplLB->GetEntryList()->GetMRUCount() )
284         ImplUpdateFloatSelection();
285     else
286         mpImplLB->SelectEntry( 0 , sal_True );
287     mpBtn->SetPressed( sal_True );
288     SetSelection( Selection( 0, SELECTION_MAX ) );
289     mpFloatWin->StartFloat( sal_True );
290     ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
291 
292     ImplClearLayoutData();
293     if( mpImplLB )
294         mpImplLB->GetMainWindow()->ImplClearLayoutData();
295 
296     return 0;
297 }
298 
299 // -----------------------------------------------------------------------
300 
301 IMPL_LINK( ComboBox, ImplPopupModeEndHdl, void*, EMPTYARG )
302 {
303     if( mpFloatWin->IsPopupModeCanceled() )
304     {
305         if ( !mpImplLB->GetEntryList()->IsEntryPosSelected( mpFloatWin->GetPopupModeStartSaveSelection() ) )
306         {
307             mpImplLB->SelectEntry( mpFloatWin->GetPopupModeStartSaveSelection(), sal_True );
308             sal_Bool bTravelSelect = mpImplLB->IsTravelSelect();
309             mpImplLB->SetTravelSelect( sal_True );
310             Select();
311             mpImplLB->SetTravelSelect( bTravelSelect );
312         }
313     }
314 
315     ImplClearLayoutData();
316     if( mpImplLB )
317         mpImplLB->GetMainWindow()->ImplClearLayoutData();
318 
319     mpBtn->SetPressed( sal_False );
320     ImplCallEventListeners( VCLEVENT_DROPDOWN_CLOSE );
321     return 0;
322 }
323 
324 // -----------------------------------------------------------------------
325 
326 IMPL_LINK( ComboBox, ImplAutocompleteHdl, Edit*, pEdit )
327 {
328     Selection           aSel = pEdit->GetSelection();
329     AutocompleteAction  eAction = pEdit->GetAutocompleteAction();
330 
331     /* If there is no current selection do not auto complete on
332        Tab/Shift-Tab since then we would not cycle to the next field.
333     */
334     if ( aSel.Len() ||
335          ((eAction != AUTOCOMPLETE_TABFORWARD) && (eAction != AUTOCOMPLETE_TABBACKWARD)) )
336     {
337         XubString   aFullText = pEdit->GetText();
338         XubString   aStartText = aFullText.Copy( 0, (xub_StrLen)aSel.Max() );
339         sal_uInt16      nStart = mpImplLB->GetCurrentPos();
340 
341         if ( nStart == LISTBOX_ENTRY_NOTFOUND )
342             nStart = 0;
343 
344         sal_Bool bForward = sal_True;
345         if ( eAction == AUTOCOMPLETE_TABFORWARD )
346             nStart++;
347         else if ( eAction == AUTOCOMPLETE_TABBACKWARD )
348         {
349             bForward = sal_False;
350             nStart = nStart ? nStart - 1 : mpImplLB->GetEntryList()->GetEntryCount()-1;
351         }
352 
353         sal_uInt16 nPos = LISTBOX_ENTRY_NOTFOUND;
354         if( ! mbMatchCase )
355         {
356             // Try match case insensitive from current position
357             nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, nStart, bForward, sal_True );
358             if ( nPos == LISTBOX_ENTRY_NOTFOUND )
359                 // Try match case insensitive, but from start
360                 nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, bForward ? 0 : (mpImplLB->GetEntryList()->GetEntryCount()-1), bForward, sal_True );
361         }
362 
363         if ( nPos == LISTBOX_ENTRY_NOTFOUND )
364             // Try match full from current position
365             nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, nStart, bForward, sal_False );
366         if ( nPos == LISTBOX_ENTRY_NOTFOUND )
367             //  Match full, but from start
368             nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, bForward ? 0 : (mpImplLB->GetEntryList()->GetEntryCount()-1), bForward, sal_False );
369 
370         if ( nPos != LISTBOX_ENTRY_NOTFOUND )
371         {
372             XubString aText = mpImplLB->GetEntryList()->GetEntryText( nPos );
373             Selection aSelection( aText.Len(), aStartText.Len() );
374             pEdit->SetText( aText, aSelection );
375         }
376     }
377 
378     return 0;
379 }
380 
381 // -----------------------------------------------------------------------
382 
383 IMPL_LINK( ComboBox, ImplSelectHdl, void*, EMPTYARG )
384 {
385     sal_Bool bPopup = IsInDropDown();
386     sal_Bool bCallSelect = sal_False;
387     if ( mpImplLB->IsSelectionChanged() || bPopup )
388     {
389         XubString aText;
390         if ( IsMultiSelectionEnabled() )
391         {
392             aText = mpSubEdit->GetText();
393 
394             // Alle Eintraege entfernen, zu denen es einen Entry gibt, der aber nicht selektiert ist.
395             xub_StrLen nIndex = 0;
396             while ( nIndex != STRING_NOTFOUND )
397             {
398                 xub_StrLen  nPrevIndex = nIndex;
399                 XubString   aToken = aText.GetToken( 0, mcMultiSep, nIndex );
400                 xub_StrLen  nTokenLen = aToken.Len();
401                 aToken.EraseLeadingAndTrailingChars( ' ' );
402                 sal_uInt16      nP = mpImplLB->GetEntryList()->FindEntry( aToken );
403                 if ( (nP != LISTBOX_ENTRY_NOTFOUND) && (!mpImplLB->GetEntryList()->IsEntryPosSelected( nP )) )
404                 {
405                     aText.Erase( nPrevIndex, nTokenLen );
406                     nIndex = sal::static_int_cast<xub_StrLen>(nIndex - nTokenLen);
407                     if ( (nPrevIndex < aText.Len()) && (aText.GetChar( nPrevIndex ) == mcMultiSep) )
408                     {
409                         aText.Erase( nPrevIndex, 1 );
410                         nIndex--;
411                     }
412                 }
413                 aText.EraseLeadingAndTrailingChars( ' ' );
414             }
415 
416             // Fehlende Eintraege anhaengen...
417             Table aSelInText;
418             lcl_GetSelectedEntries( aSelInText, aText, mcMultiSep, mpImplLB->GetEntryList() );
419             sal_uInt16 nSelectedEntries = mpImplLB->GetEntryList()->GetSelectEntryCount();
420             for ( sal_uInt16 n = 0; n < nSelectedEntries; n++ )
421             {
422                 sal_uInt16 nP = mpImplLB->GetEntryList()->GetSelectEntryPos( n );
423                 if ( !aSelInText.IsKeyValid( ImplCreateKey( nP ) ) )
424                 {
425                     if ( aText.Len() && (aText.GetChar( aText.Len()-1 ) != mcMultiSep) )
426                         aText += mcMultiSep;
427                     if ( aText.Len() )
428                         aText += ' ';   // etwas auflockern
429                     aText += mpImplLB->GetEntryList()->GetEntryText( nP );
430                     aText += mcMultiSep;
431                 }
432             }
433             if ( aText.Len() && (aText.GetChar( aText.Len()-1 ) == mcMultiSep) )
434                 aText.Erase( aText.Len()-1, 1 );
435         }
436         else
437         {
438             aText = mpImplLB->GetEntryList()->GetSelectEntry( 0 );
439         }
440 
441         mpSubEdit->SetText( aText );
442 
443         Selection aNewSelection( 0, aText.Len() );
444         if ( IsMultiSelectionEnabled() )
445             aNewSelection.Min() = aText.Len();
446         mpSubEdit->SetSelection( aNewSelection );
447 
448         bCallSelect = sal_True;
449     }
450 
451     // #84652# Call GrabFocus and EndPopupMode before calling Select/Modify, but after changing the text
452 
453     if ( bPopup && !mpImplLB->IsTravelSelect() &&
454         ( !IsMultiSelectionEnabled() || !mpImplLB->GetSelectModifier() ) )
455     {
456         mpFloatWin->EndPopupMode();
457         GrabFocus();
458     }
459 
460     if ( bCallSelect )
461     {
462         mpSubEdit->SetModifyFlag();
463         mbSyntheticModify = sal_True;
464         Modify();
465         mbSyntheticModify = sal_False;
466         Select();
467     }
468 
469     return 0;
470 }
471 
472 // -----------------------------------------------------------------------
473 
474 IMPL_LINK( ComboBox, ImplCancelHdl, void*, EMPTYARG )
475 {
476     if( IsInDropDown() )
477         mpFloatWin->EndPopupMode();
478 
479     return 1;
480 }
481 
482 // -----------------------------------------------------------------------
483 
484 IMPL_LINK( ComboBox, ImplSelectionChangedHdl, void*, n )
485 {
486     if ( !mpImplLB->IsTrackingSelect() )
487     {
488         sal_uInt16 nChanged = (sal_uInt16)(sal_uLong)n;
489         if ( !mpSubEdit->IsReadOnly() && mpImplLB->GetEntryList()->IsEntryPosSelected( nChanged ) )
490             mpSubEdit->SetText( mpImplLB->GetEntryList()->GetEntryText( nChanged ) );
491     }
492     return 1;
493 }
494 
495 // -----------------------------------------------------------------------
496 
497 IMPL_LINK( ComboBox, ImplDoubleClickHdl, void*, EMPTYARG )
498 {
499     DoubleClick();
500     return 0;
501 }
502 
503 // -----------------------------------------------------------------------
504 
505 void ComboBox::ToggleDropDown()
506 {
507     if( IsDropDownBox() )
508     {
509         if( mpFloatWin->IsInPopupMode() )
510             mpFloatWin->EndPopupMode();
511         else
512         {
513             mpSubEdit->GrabFocus();
514             if ( !mpImplLB->GetEntryList()->GetMRUCount() )
515                 ImplUpdateFloatSelection();
516             else
517                 mpImplLB->SelectEntry( 0 , sal_True );
518             ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
519             mpBtn->SetPressed( sal_True );
520             SetSelection( Selection( 0, SELECTION_MAX ) );
521             mpFloatWin->StartFloat( sal_True );
522             ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
523         }
524     }
525 }
526 
527 // -----------------------------------------------------------------------
528 
529 void ComboBox::Select()
530 {
531     ImplCallEventListenersAndHandler( VCLEVENT_COMBOBOX_SELECT, maSelectHdl, this );
532 }
533 
534 // -----------------------------------------------------------------------
535 
536 void ComboBox::DoubleClick()
537 {
538     ImplCallEventListenersAndHandler( VCLEVENT_COMBOBOX_DOUBLECLICK, maDoubleClickHdl, this );
539 }
540 
541 // -----------------------------------------------------------------------
542 
543 void ComboBox::EnableAutoSize( sal_Bool bAuto )
544 {
545     mbDDAutoSize = bAuto;
546     if ( mpFloatWin )
547     {
548         if ( bAuto && !mpFloatWin->GetDropDownLineCount() )
549         {
550             // Adapt to GetListBoxMaximumLineCount here; was on fixed number of five before
551             AdaptDropDownLineCountToMaximum();
552         }
553         else if ( !bAuto )
554         {
555             mpFloatWin->SetDropDownLineCount( 0 );
556         }
557     }
558 }
559 
560 // -----------------------------------------------------------------------
561 
562 void ComboBox::EnableDDAutoWidth( sal_Bool b )
563 {
564     if ( mpFloatWin )
565         mpFloatWin->SetAutoWidth( b );
566 }
567 
568  // -----------------------------------------------------------------------
569 
570 sal_Bool ComboBox::IsDDAutoWidthEnabled() const
571 {
572     return mpFloatWin ? mpFloatWin->IsAutoWidth() : sal_False;
573 }
574 
575 
576 // -----------------------------------------------------------------------
577 
578 void ComboBox::SetDropDownLineCount( sal_uInt16 nLines )
579 {
580     if ( mpFloatWin )
581         mpFloatWin->SetDropDownLineCount( nLines );
582 }
583 
584 // -----------------------------------------------------------------------
585 
586 void ComboBox::AdaptDropDownLineCountToMaximum()
587 {
588     // adapt to maximum allowed number
589     SetDropDownLineCount(std::min(GetEntryCount(), GetSettings().GetStyleSettings().GetListBoxMaximumLineCount()));
590 }
591 
592 // -----------------------------------------------------------------------
593 
594 sal_uInt16 ComboBox::GetDropDownLineCount() const
595 {
596     sal_uInt16 nLines = 0;
597     if ( mpFloatWin )
598         nLines = mpFloatWin->GetDropDownLineCount();
599     return nLines;
600 }
601 
602 // -----------------------------------------------------------------------
603 
604 void ComboBox::SetPosSizePixel( long nX, long nY, long nWidth, long nHeight,
605                                 sal_uInt16 nFlags )
606 {
607     if( IsDropDownBox() && ( nFlags & WINDOW_POSSIZE_SIZE ) )
608     {
609         Size aPrefSz = mpFloatWin->GetPrefSize();
610         if ( ( nFlags & WINDOW_POSSIZE_HEIGHT ) && ( nHeight >= 2*mnDDHeight ) )
611             aPrefSz.Height() = nHeight-mnDDHeight;
612         if ( nFlags & WINDOW_POSSIZE_WIDTH )
613             aPrefSz.Width() = nWidth;
614         mpFloatWin->SetPrefSize( aPrefSz );
615 
616         if ( IsAutoSizeEnabled() && ! (nFlags & WINDOW_POSSIZE_DROPDOWN) )
617             nHeight = mnDDHeight;
618     }
619 
620     Edit::SetPosSizePixel( nX, nY, nWidth, nHeight, nFlags );
621 }
622 
623 // -----------------------------------------------------------------------
624 
625 void ComboBox::Resize()
626 {
627     Control::Resize();
628 
629     Size aOutSz = GetOutputSizePixel();
630     if( IsDropDownBox() )
631     {
632         long nSBWidth = GetSettings().GetStyleSettings().GetScrollBarSize();
633         long    nTop = 0;
634         long    nBottom = aOutSz.Height();
635 
636         Window *pBorder = GetWindow( WINDOW_BORDER );
637         ImplControlValue aControlValue;
638         Point aPoint;
639         Rectangle aContent, aBound;
640 
641         // use the full extent of the control
642         Rectangle aArea( aPoint, pBorder->GetOutputSizePixel() );
643 
644         if ( GetNativeControlRegion(CTRL_COMBOBOX, PART_BUTTON_DOWN,
645                 aArea, 0, aControlValue, rtl::OUString(), aBound, aContent) )
646         {
647             // convert back from border space to local coordinates
648             aPoint = pBorder->ScreenToOutputPixel( OutputToScreenPixel( aPoint ) );
649             aContent.Move(-aPoint.X(), -aPoint.Y());
650 
651             mpBtn->SetPosSizePixel( aContent.Left(), nTop, aContent.getWidth(), (nBottom-nTop) );
652 
653             // adjust the size of the edit field
654             if ( GetNativeControlRegion(CTRL_COMBOBOX, PART_SUB_EDIT,
655                         aArea, 0, aControlValue, rtl::OUString(), aBound, aContent) )
656             {
657                 // convert back from border space to local coordinates
658                 aContent.Move(-aPoint.X(), -aPoint.Y());
659 
660                 // use the themes drop down size
661                 mpSubEdit->SetPosSizePixel( aContent.TopLeft(), aContent.GetSize() );
662             }
663             else
664             {
665                 // use the themes drop down size for the button
666                 aOutSz.Width() -= aContent.getWidth();
667                 mpSubEdit->SetSizePixel( aOutSz );
668             }
669         }
670         else
671         {
672             nSBWidth = CalcZoom( nSBWidth );
673             mpSubEdit->SetPosSizePixel( Point( 0, 0 ), Size( aOutSz.Width() - nSBWidth, aOutSz.Height() ) );
674             mpBtn->SetPosSizePixel( aOutSz.Width() - nSBWidth, nTop, nSBWidth, (nBottom-nTop) );
675         }
676     }
677     else
678     {
679         mpSubEdit->SetSizePixel( Size( aOutSz.Width(), mnDDHeight ) );
680         mpImplLB->SetPosSizePixel( 0, mnDDHeight, aOutSz.Width(), aOutSz.Height() - mnDDHeight );
681         if ( GetText().Len() )
682             ImplUpdateFloatSelection();
683     }
684 
685     // FloatingWindow-Groesse auch im unsichtbare Zustand auf Stand halten,
686     // weil KEY_PGUP/DOWN ausgewertet wird...
687     if ( mpFloatWin )
688         mpFloatWin->SetSizePixel( mpFloatWin->CalcFloatSize() );
689 }
690 
691 // -----------------------------------------------------------------------
692 
693 void ComboBox::FillLayoutData() const
694 {
695     mpControlData->mpLayoutData = new vcl::ControlLayoutData();
696     AppendLayoutData( *mpSubEdit );
697     mpSubEdit->SetLayoutDataParent( this );
698     Control* pMainWindow = mpImplLB->GetMainWindow();
699     if( mpFloatWin )
700     {
701         // dropdown mode
702         if( mpFloatWin->IsReallyVisible() )
703         {
704             AppendLayoutData( *pMainWindow );
705             pMainWindow->SetLayoutDataParent( this );
706         }
707     }
708     else
709     {
710         AppendLayoutData( *pMainWindow );
711         pMainWindow->SetLayoutDataParent( this );
712     }
713 }
714 
715 // -----------------------------------------------------------------------
716 
717 void ComboBox::StateChanged( StateChangedType nType )
718 {
719     Edit::StateChanged( nType );
720 
721     if ( nType == STATE_CHANGE_READONLY )
722     {
723         mpImplLB->SetReadOnly( IsReadOnly() );
724         if ( mpBtn )
725             mpBtn->Enable( IsEnabled() && !IsReadOnly() );
726     }
727     else if ( nType == STATE_CHANGE_ENABLE )
728     {
729         mpSubEdit->Enable( IsEnabled() );
730         mpImplLB->Enable( IsEnabled() && !IsReadOnly() );
731         if ( mpBtn )
732             mpBtn->Enable( IsEnabled() && !IsReadOnly() );
733         Invalidate();
734     }
735     else if( nType == STATE_CHANGE_UPDATEMODE )
736     {
737         mpImplLB->SetUpdateMode( IsUpdateMode() );
738     }
739     else if ( nType == STATE_CHANGE_ZOOM )
740     {
741         mpImplLB->SetZoom( GetZoom() );
742         mpSubEdit->SetZoom( GetZoom() );
743         ImplCalcEditHeight();
744         Resize();
745     }
746     else if ( nType == STATE_CHANGE_CONTROLFONT )
747     {
748         mpImplLB->SetControlFont( GetControlFont() );
749         mpSubEdit->SetControlFont( GetControlFont() );
750         ImplCalcEditHeight();
751         Resize();
752     }
753     else if ( nType == STATE_CHANGE_CONTROLFOREGROUND )
754     {
755         mpImplLB->SetControlForeground( GetControlForeground() );
756         mpSubEdit->SetControlForeground( GetControlForeground() );
757     }
758     else if ( nType == STATE_CHANGE_CONTROLBACKGROUND )
759     {
760         mpImplLB->SetControlBackground( GetControlBackground() );
761         mpSubEdit->SetControlBackground( GetControlBackground() );
762     }
763     else if ( nType == STATE_CHANGE_STYLE )
764     {
765         SetStyle( ImplInitStyle( GetStyle() ) );
766         mpImplLB->GetMainWindow()->EnableSort( ( GetStyle() & WB_SORT ) ? sal_True : sal_False );
767     }
768     else if( nType == STATE_CHANGE_MIRRORING )
769     {
770         if( mpBtn )
771         {
772             mpBtn->EnableRTL( IsRTLEnabled() );
773             ImplInitDropDownButton( mpBtn );
774         }
775         mpSubEdit->StateChanged( STATE_CHANGE_MIRRORING );
776         mpImplLB->EnableRTL( IsRTLEnabled() );
777         Resize();
778     }
779 }
780 
781 // -----------------------------------------------------------------------
782 
783 void ComboBox::DataChanged( const DataChangedEvent& rDCEvt )
784 {
785     Control::DataChanged( rDCEvt );
786 
787     if ( (rDCEvt.GetType() == DATACHANGED_FONTS) ||
788          (rDCEvt.GetType() == DATACHANGED_FONTSUBSTITUTION) ||
789          ((rDCEvt.GetType() == DATACHANGED_SETTINGS) &&
790           (rDCEvt.GetFlags() & SETTINGS_STYLE)) )
791     {
792         if ( mpBtn )
793         {
794             mpBtn->SetSettings( GetSettings() );
795             ImplInitDropDownButton( mpBtn );
796         }
797         Resize();
798         mpImplLB->Resize(); // Wird nicht durch ComboBox::Resize() gerufen, wenn sich die ImplLB nicht aendert.
799         SetBackground();    // due to a hack in Window::UpdateSettings the background must be reset
800                             // otherwise it will overpaint NWF drawn comboboxes
801     }
802 }
803 
804 // -----------------------------------------------------------------------
805 
806 long ComboBox::PreNotify( NotifyEvent& rNEvt )
807 {
808 
809     return Edit::PreNotify( rNEvt );
810 }
811 
812 // -----------------------------------------------------------------------
813 
814 long ComboBox::Notify( NotifyEvent& rNEvt )
815 {
816     long nDone = 0;
817     if( ( rNEvt.GetType() == EVENT_KEYINPUT ) && ( rNEvt.GetWindow() == mpSubEdit )
818             && !IsReadOnly() )
819     {
820         KeyEvent aKeyEvt = *rNEvt.GetKeyEvent();
821         sal_uInt16   nKeyCode = aKeyEvt.GetKeyCode().GetCode();
822         switch( nKeyCode )
823         {
824             case KEY_UP:
825             case KEY_DOWN:
826             case KEY_PAGEUP:
827             case KEY_PAGEDOWN:
828             {
829                 ImplUpdateFloatSelection();
830                 if( ( nKeyCode == KEY_DOWN ) && mpFloatWin && !mpFloatWin->IsInPopupMode() && aKeyEvt.GetKeyCode().IsMod2() )
831                 {
832                     ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
833                     mpBtn->SetPressed( sal_True );
834                     if ( mpImplLB->GetEntryList()->GetMRUCount() )
835                         mpImplLB->SelectEntry( 0 , sal_True );
836                     SetSelection( Selection( 0, SELECTION_MAX ) );
837                     mpFloatWin->StartFloat( sal_False );
838                     ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
839                     nDone = 1;
840                 }
841                 else if( ( nKeyCode == KEY_UP ) && mpFloatWin && mpFloatWin->IsInPopupMode() && aKeyEvt.GetKeyCode().IsMod2() )
842                 {
843                     mpFloatWin->EndPopupMode();
844                     nDone = 1;
845                 }
846                 else
847                 {
848                     nDone = mpImplLB->ProcessKeyInput( aKeyEvt );
849                 }
850             }
851             break;
852 
853             case KEY_RETURN:
854             {
855                 if( ( rNEvt.GetWindow() == mpSubEdit ) && IsInDropDown() )
856                 {
857                     mpImplLB->ProcessKeyInput( aKeyEvt );
858                     nDone = 1;
859                 }
860             }
861             break;
862         }
863     }
864     else if ( (rNEvt.GetType() == EVENT_LOSEFOCUS) && mpFloatWin )
865     {
866         if( mpFloatWin->HasChildPathFocus() )
867             mpSubEdit->GrabFocus();
868         else if ( mpFloatWin->IsInPopupMode() && !HasChildPathFocus( sal_True ) )
869             mpFloatWin->EndPopupMode();
870     }
871     else if( (rNEvt.GetType() == EVENT_COMMAND) &&
872              (rNEvt.GetCommandEvent()->GetCommand() == COMMAND_WHEEL) &&
873              (rNEvt.GetWindow() == mpSubEdit) )
874     {
875         sal_uInt16 nWheelBehavior( GetSettings().GetMouseSettings().GetWheelBehavior() );
876         if  (   ( nWheelBehavior == MOUSE_WHEEL_ALWAYS )
877             ||  (   ( nWheelBehavior == MOUSE_WHEEL_FOCUS_ONLY )
878                 &&  HasChildPathFocus()
879                 )
880             )
881         {
882             nDone = mpImplLB->HandleWheelAsCursorTravel( *rNEvt.GetCommandEvent() );
883         }
884         else
885         {
886             nDone = 0;  // don't eat this event, let the default handling happen (i.e. scroll the context)
887         }
888     }
889     else if( ( rNEvt.GetType() == EVENT_MOUSEBUTTONDOWN ) && ( rNEvt.GetWindow() == mpImplLB->GetMainWindow() ) )
890     {
891         mpSubEdit->GrabFocus();
892     }
893 
894     return nDone ? nDone : Edit::Notify( rNEvt );
895 }
896 
897 // -----------------------------------------------------------------------
898 
899 void ComboBox::SetText( const XubString& rStr )
900 {
901     ImplCallEventListeners( VCLEVENT_COMBOBOX_SETTEXT );
902 
903     Edit::SetText( rStr );
904     ImplUpdateFloatSelection();
905 }
906 
907 // -----------------------------------------------------------------------
908 
909 void ComboBox::SetText( const XubString& rStr, const Selection& rNewSelection )
910 {
911     ImplCallEventListeners( VCLEVENT_COMBOBOX_SETTEXT );
912 
913     Edit::SetText( rStr, rNewSelection );
914     ImplUpdateFloatSelection();
915 }
916 
917 // -----------------------------------------------------------------------
918 
919 void ComboBox::Modify()
920 {
921     if ( !mbSyntheticModify )
922         ImplUpdateFloatSelection();
923 
924     Edit::Modify();
925 }
926 
927 // -----------------------------------------------------------------------
928 
929 void ComboBox::ImplUpdateFloatSelection()
930 {
931     // Text in der ListBox in den sichtbaren Bereich bringen
932     mpImplLB->SetCallSelectionChangedHdl( sal_False );
933     if ( !IsMultiSelectionEnabled() )
934     {
935         XubString   aSearchStr( mpSubEdit->GetText() );
936         sal_uInt16      nSelect = LISTBOX_ENTRY_NOTFOUND;
937         sal_Bool        bSelect = sal_True;
938 
939         if ( mpImplLB->GetCurrentPos() != LISTBOX_ENTRY_NOTFOUND )
940         {
941             XubString aCurrent = mpImplLB->GetEntryList()->GetEntryText( mpImplLB->GetCurrentPos() );
942             if ( aCurrent == aSearchStr )
943                 nSelect = mpImplLB->GetCurrentPos();
944         }
945 
946         if ( nSelect == LISTBOX_ENTRY_NOTFOUND )
947             nSelect = mpImplLB->GetEntryList()->FindEntry( aSearchStr );
948         if ( nSelect == LISTBOX_ENTRY_NOTFOUND )
949         {
950             nSelect = mpImplLB->GetEntryList()->FindMatchingEntry( aSearchStr );
951             bSelect = sal_False;
952         }
953 
954         if( nSelect != LISTBOX_ENTRY_NOTFOUND )
955         {
956             if ( !mpImplLB->IsVisible( nSelect ) )
957                 mpImplLB->ShowProminentEntry( nSelect );
958             mpImplLB->SelectEntry( nSelect, bSelect );
959         }
960         else
961         {
962             nSelect = mpImplLB->GetEntryList()->GetSelectEntryPos( 0 );
963             if( nSelect != LISTBOX_ENTRY_NOTFOUND )
964                 mpImplLB->SelectEntry( nSelect, sal_False );
965             mpImplLB->ResetCurrentPos();
966         }
967     }
968     else
969     {
970         Table aSelInText;
971         lcl_GetSelectedEntries( aSelInText, mpSubEdit->GetText(), mcMultiSep, mpImplLB->GetEntryList() );
972         for ( sal_uInt16 n = 0; n < mpImplLB->GetEntryList()->GetEntryCount(); n++ )
973             mpImplLB->SelectEntry( n, aSelInText.IsKeyValid( ImplCreateKey( n ) ) );
974     }
975     mpImplLB->SetCallSelectionChangedHdl( sal_True );
976 }
977 
978 // -----------------------------------------------------------------------
979 
980 sal_uInt16 ComboBox::InsertEntry( const XubString& rStr, sal_uInt16 nPos )
981 {
982     sal_uInt16 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr );
983     nRealPos = sal::static_int_cast<sal_uInt16>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
984     CallEventListeners( VCLEVENT_COMBOBOX_ITEMADDED, (void*) sal_IntPtr(nRealPos) );
985     return nRealPos;
986 }
987 
988 // -----------------------------------------------------------------------
989 
990 sal_uInt16 ComboBox::InsertEntry( const XubString& rStr, const Image& rImage, sal_uInt16 nPos )
991 {
992     sal_uInt16 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr, rImage );
993     nRealPos = sal::static_int_cast<sal_uInt16>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
994     CallEventListeners( VCLEVENT_COMBOBOX_ITEMADDED, (void*) sal_IntPtr(nRealPos) );
995     return nRealPos;
996 }
997 
998 // -----------------------------------------------------------------------
999 
1000 void ComboBox::RemoveEntry( const XubString& rStr )
1001 {
1002     RemoveEntry( GetEntryPos( rStr ) );
1003 }
1004 
1005 // -----------------------------------------------------------------------
1006 
1007 void ComboBox::RemoveEntry( sal_uInt16 nPos )
1008 {
1009     mpImplLB->RemoveEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1010     CallEventListeners( VCLEVENT_COMBOBOX_ITEMREMOVED, (void*) sal_IntPtr(nPos) );
1011 }
1012 
1013 // -----------------------------------------------------------------------
1014 
1015 void ComboBox::Clear()
1016 {
1017     mpImplLB->Clear();
1018     CallEventListeners( VCLEVENT_COMBOBOX_ITEMREMOVED, (void*) sal_IntPtr(-1) );
1019 }
1020 // -----------------------------------------------------------------------
1021 
1022 Image ComboBox::GetEntryImage( sal_uInt16 nPos ) const
1023 {
1024     if ( mpImplLB->GetEntryList()->HasEntryImage( nPos ) )
1025         return mpImplLB->GetEntryList()->GetEntryImage( nPos );
1026     return Image();
1027 }
1028 
1029 // -----------------------------------------------------------------------
1030 
1031 sal_uInt16 ComboBox::GetEntryPos( const XubString& rStr ) const
1032 {
1033     sal_uInt16 nPos = mpImplLB->GetEntryList()->FindEntry( rStr );
1034     if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1035         nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1036     return nPos;
1037 }
1038 
1039 // -----------------------------------------------------------------------
1040 
1041 sal_uInt16 ComboBox::GetEntryPos( const void* pData ) const
1042 {
1043     sal_uInt16 nPos = mpImplLB->GetEntryList()->FindEntry( pData );
1044     if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1045         nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1046     return nPos;
1047 }
1048 
1049 // -----------------------------------------------------------------------
1050 
1051 XubString ComboBox::GetEntry( sal_uInt16 nPos ) const
1052 {
1053     return mpImplLB->GetEntryList()->GetEntryText( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1054 }
1055 
1056 // -----------------------------------------------------------------------
1057 
1058 sal_uInt16 ComboBox::GetEntryCount() const
1059 {
1060     return mpImplLB->GetEntryList()->GetEntryCount() - mpImplLB->GetEntryList()->GetMRUCount();
1061 }
1062 
1063 // -----------------------------------------------------------------------
1064 
1065 sal_Bool ComboBox::IsTravelSelect() const
1066 {
1067     return mpImplLB->IsTravelSelect();
1068 }
1069 
1070 // -----------------------------------------------------------------------
1071 
1072 sal_Bool ComboBox::IsInDropDown() const
1073 {
1074     return mpFloatWin && mpFloatWin->IsInPopupMode();
1075 }
1076 
1077 // -----------------------------------------------------------------------
1078 
1079 void ComboBox::EnableMultiSelection( sal_Bool bMulti )
1080 {
1081     mpImplLB->EnableMultiSelection( bMulti, sal_False );
1082     mpImplLB->SetMultiSelectionSimpleMode( sal_True );
1083 }
1084 
1085 // -----------------------------------------------------------------------
1086 
1087 sal_Bool ComboBox::IsMultiSelectionEnabled() const
1088 {
1089     return mpImplLB->IsMultiSelectionEnabled();
1090 }
1091 
1092 // -----------------------------------------------------------------------
1093 
1094 long ComboBox::CalcWindowSizePixel( sal_uInt16 nLines ) const
1095 {
1096     return mpImplLB->GetEntryHeight() * nLines;
1097 }
1098 
1099 // -----------------------------------------------------------------------
1100 
1101 Size ComboBox::GetOptimalSize(WindowSizeType eType) const
1102 {
1103     switch (eType) {
1104     case WINDOWSIZE_MINIMUM:
1105         return CalcMinimumSize();
1106     default:
1107         return Edit::GetOptimalSize( eType );
1108     }
1109 }
1110 
1111 // -----------------------------------------------------------------------
1112 
1113 Size ComboBox::CalcMinimumSize() const
1114 {
1115     Size aSz;
1116     if ( !IsDropDownBox() )
1117     {
1118         aSz = mpImplLB->CalcSize( mpImplLB->GetEntryList()->GetEntryCount() );
1119         aSz.Height() += mnDDHeight;
1120     }
1121     else
1122     {
1123         aSz.Height() = mpImplLB->CalcSize( 1 ).Height();
1124         aSz.Width() = mpImplLB->GetMaxEntryWidth();
1125         aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1126     }
1127 
1128     aSz = CalcWindowSize( aSz );
1129     return aSz;
1130 }
1131 
1132 // -----------------------------------------------------------------------
1133 
1134 Size ComboBox::CalcAdjustedSize( const Size& rPrefSize ) const
1135 {
1136     Size aSz = rPrefSize;
1137     sal_Int32 nLeft, nTop, nRight, nBottom;
1138     ((Window*)this)->GetBorder( nLeft, nTop, nRight, nBottom );
1139     aSz.Height() -= nTop+nBottom;
1140     if ( !IsDropDownBox() )
1141     {
1142         long nEntryHeight = CalcSize( 1, 1 ).Height();
1143         long nLines = aSz.Height() / nEntryHeight;
1144         if ( nLines < 1 )
1145             nLines = 1;
1146         aSz.Height() = nLines * nEntryHeight;
1147         aSz.Height() += mnDDHeight;
1148     }
1149     else
1150     {
1151         aSz.Height() = mnDDHeight;
1152     }
1153     aSz.Height() += nTop+nBottom;
1154 
1155     aSz = CalcWindowSize( aSz );
1156     return aSz;
1157 }
1158 
1159 // -----------------------------------------------------------------------
1160 
1161 Size ComboBox::CalcSize( sal_uInt16 nColumns, sal_uInt16 nLines ) const
1162 {
1163     // ggf. werden ScrollBars eingeblendet
1164     Size aMinSz = CalcMinimumSize();
1165     Size aSz;
1166 
1167     // Hoehe
1168     if ( nLines )
1169     {
1170         if ( !IsDropDownBox() )
1171             aSz.Height() = mpImplLB->CalcSize( nLines ).Height() + mnDDHeight;
1172         else
1173             aSz.Height() = mnDDHeight;
1174     }
1175     else
1176         aSz.Height() = aMinSz.Height();
1177 
1178     // Breite
1179     if ( nColumns )
1180         aSz.Width() = nColumns * GetTextWidth( UniString( 'X' ) );
1181     else
1182         aSz.Width() = aMinSz.Width();
1183 
1184     if ( IsDropDownBox() )
1185         aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1186 
1187     if ( !IsDropDownBox() )
1188     {
1189         if ( aSz.Width() < aMinSz.Width() )
1190             aSz.Height() += GetSettings().GetStyleSettings().GetScrollBarSize();
1191         if ( aSz.Height() < aMinSz.Height() )
1192             aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1193     }
1194 
1195     aSz = CalcWindowSize( aSz );
1196     return aSz;
1197 }
1198 
1199 // -----------------------------------------------------------------------
1200 
1201 void ComboBox::GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const
1202 {
1203     long nCharWidth = GetTextWidth( UniString( 'x' ) );
1204     if ( !IsDropDownBox() )
1205     {
1206         Size aOutSz = mpImplLB->GetMainWindow()->GetOutputSizePixel();
1207         rnCols = (sal_uInt16)(aOutSz.Width()/nCharWidth);
1208         rnLines = (sal_uInt16)(aOutSz.Height()/mpImplLB->GetEntryHeight());
1209     }
1210     else
1211     {
1212         Size aOutSz = mpSubEdit->GetOutputSizePixel();
1213         rnCols = (sal_uInt16)(aOutSz.Width()/nCharWidth);
1214         rnLines = 1;
1215     }
1216 }
1217 
1218 // -----------------------------------------------------------------------
1219 
1220 void ComboBox::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, sal_uLong nFlags )
1221 {
1222     mpImplLB->GetMainWindow()->ImplInitSettings( sal_True, sal_True, sal_True );
1223 
1224     Point aPos = pDev->LogicToPixel( rPos );
1225     Size aSize = pDev->LogicToPixel( rSize );
1226     Font aFont = mpImplLB->GetMainWindow()->GetDrawPixelFont( pDev );
1227     OutDevType eOutDevType = pDev->GetOutDevType();
1228 
1229     pDev->Push();
1230     pDev->SetMapMode();
1231     pDev->SetFont( aFont );
1232     pDev->SetTextFillColor();
1233 
1234     // Border/Background
1235     pDev->SetLineColor();
1236     pDev->SetFillColor();
1237     sal_Bool bBorder = !(nFlags & WINDOW_DRAW_NOBORDER ) && (GetStyle() & WB_BORDER);
1238     sal_Bool bBackground = !(nFlags & WINDOW_DRAW_NOBACKGROUND) && IsControlBackground();
1239     if ( bBorder || bBackground )
1240     {
1241         Rectangle aRect( aPos, aSize );
1242         // aRect.Top() += nEditHeight;
1243         if ( bBorder )
1244         {
1245             ImplDrawFrame( pDev, aRect );
1246         }
1247         if ( bBackground )
1248         {
1249             pDev->SetFillColor( GetControlBackground() );
1250             pDev->DrawRect( aRect );
1251         }
1252     }
1253 
1254     // Inhalt
1255     if ( !IsDropDownBox() )
1256     {
1257         long        nOnePixel = GetDrawPixel( pDev, 1 );
1258         long        nTextHeight = pDev->GetTextHeight();
1259         long        nEditHeight = nTextHeight + 6*nOnePixel;
1260         sal_uInt16      nTextStyle = TEXT_DRAW_VCENTER;
1261 
1262         // First, draw the edit part
1263         mpSubEdit->Draw( pDev, aPos, Size( aSize.Width(), nEditHeight ), nFlags );
1264 
1265         // Second, draw the listbox
1266         if ( GetStyle() & WB_CENTER )
1267             nTextStyle |= TEXT_DRAW_CENTER;
1268         else if ( GetStyle() & WB_RIGHT )
1269             nTextStyle |= TEXT_DRAW_RIGHT;
1270         else
1271             nTextStyle |= TEXT_DRAW_LEFT;
1272 
1273         if ( ( nFlags & WINDOW_DRAW_MONO ) || ( eOutDevType == OUTDEV_PRINTER ) )
1274         {
1275             pDev->SetTextColor( Color( COL_BLACK ) );
1276         }
1277         else
1278         {
1279             if ( !(nFlags & WINDOW_DRAW_NODISABLE ) && !IsEnabled() )
1280             {
1281                 const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
1282                 pDev->SetTextColor( rStyleSettings.GetDisableColor() );
1283             }
1284             else
1285             {
1286                 pDev->SetTextColor( GetTextColor() );
1287             }
1288         }
1289 
1290         Rectangle aClip( aPos, aSize );
1291         pDev->IntersectClipRegion( aClip );
1292         sal_uInt16 nLines = (sal_uInt16) ( (aSize.Height()-nEditHeight) / nTextHeight );
1293         if ( !nLines )
1294             nLines = 1;
1295         sal_uInt16 nTEntry = IsReallyVisible() ? mpImplLB->GetTopEntry() : 0;
1296 
1297         Rectangle aTextRect( aPos, aSize );
1298 
1299         aTextRect.Left() += 3*nOnePixel;
1300         aTextRect.Right() -= 3*nOnePixel;
1301         aTextRect.Top() += nEditHeight + nOnePixel;
1302         aTextRect.Bottom() = aTextRect.Top() + nTextHeight;
1303 
1304         // the drawing starts here
1305         for ( sal_uInt16 n = 0; n < nLines; n++ )
1306         {
1307             pDev->DrawText( aTextRect, mpImplLB->GetEntryList()->GetEntryText( n+nTEntry ), nTextStyle );
1308             aTextRect.Top() += nTextHeight;
1309             aTextRect.Bottom() += nTextHeight;
1310         }
1311     }
1312 
1313     pDev->Pop();
1314 
1315     // Call Edit::Draw after restoring the MapMode...
1316     if ( IsDropDownBox() )
1317     {
1318         mpSubEdit->Draw( pDev, rPos, rSize, nFlags );
1319         // DD-Button ?
1320     }
1321 
1322 }
1323 
1324 // -----------------------------------------------------------------------
1325 
1326 IMPL_LINK( ComboBox, ImplUserDrawHdl, UserDrawEvent*, pEvent )
1327 {
1328     UserDraw( *pEvent );
1329     return 1;
1330 }
1331 
1332 // -----------------------------------------------------------------------
1333 
1334 void ComboBox::UserDraw( const UserDrawEvent& )
1335 {
1336 }
1337 
1338 // -----------------------------------------------------------------------
1339 
1340 void ComboBox::SetUserItemSize( const Size& rSz )
1341 {
1342     mpImplLB->GetMainWindow()->SetUserItemSize( rSz );
1343 }
1344 
1345 // -----------------------------------------------------------------------
1346 
1347 const Size& ComboBox::GetUserItemSize() const
1348 {
1349     return mpImplLB->GetMainWindow()->GetUserItemSize();
1350 }
1351 
1352 // -----------------------------------------------------------------------
1353 
1354 void ComboBox::EnableUserDraw( sal_Bool bUserDraw )
1355 {
1356     mpImplLB->GetMainWindow()->EnableUserDraw( bUserDraw );
1357 }
1358 
1359 // -----------------------------------------------------------------------
1360 
1361 sal_Bool ComboBox::IsUserDrawEnabled() const
1362 {
1363     return mpImplLB->GetMainWindow()->IsUserDrawEnabled();
1364 }
1365 
1366 // -----------------------------------------------------------------------
1367 
1368 void ComboBox::DrawEntry( const UserDrawEvent& rEvt, sal_Bool bDrawImage, sal_Bool bDrawText, sal_Bool bDrawTextAtImagePos )
1369 {
1370     DBG_ASSERT( rEvt.GetDevice() == mpImplLB->GetMainWindow(), "DrawEntry?!" );
1371     mpImplLB->GetMainWindow()->DrawEntry( rEvt.GetItemId(), bDrawImage, bDrawText, bDrawTextAtImagePos );
1372 }
1373 
1374 // -----------------------------------------------------------------------
1375 
1376 void ComboBox::SetSeparatorPos( sal_uInt16 n )
1377 {
1378     mpImplLB->SetSeparatorPos( n );
1379 }
1380 
1381 // -----------------------------------------------------------------------
1382 
1383 void ComboBox::SetSeparatorPos()
1384 {
1385     mpImplLB->SetSeparatorPos( LISTBOX_ENTRY_NOTFOUND );
1386 }
1387 
1388 // -----------------------------------------------------------------------
1389 
1390 sal_uInt16 ComboBox::GetSeparatorPos() const
1391 {
1392     return mpImplLB->GetSeparatorPos();
1393 }
1394 
1395 // -----------------------------------------------------------------------
1396 
1397 void ComboBox::SetMRUEntries( const XubString& rEntries, xub_Unicode cSep )
1398 {
1399     mpImplLB->SetMRUEntries( rEntries, cSep );
1400 }
1401 
1402 // -----------------------------------------------------------------------
1403 
1404 XubString ComboBox::GetMRUEntries( xub_Unicode cSep ) const
1405 {
1406     return mpImplLB->GetMRUEntries( cSep );
1407 }
1408 
1409 // -----------------------------------------------------------------------
1410 
1411 void ComboBox::SetMaxMRUCount( sal_uInt16 n )
1412 {
1413     mpImplLB->SetMaxMRUCount( n );
1414 }
1415 
1416 // -----------------------------------------------------------------------
1417 
1418 sal_uInt16 ComboBox::GetMaxMRUCount() const
1419 {
1420     return mpImplLB->GetMaxMRUCount();
1421 }
1422 
1423 // -----------------------------------------------------------------------
1424 
1425 sal_uInt16 ComboBox::GetDisplayLineCount() const
1426 {
1427     return mpImplLB->GetDisplayLineCount();
1428 }
1429 
1430 // -----------------------------------------------------------------------
1431 
1432 void ComboBox::SetEntryData( sal_uInt16 nPos, void* pNewData )
1433 {
1434     mpImplLB->SetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount(), pNewData );
1435 }
1436 
1437 // -----------------------------------------------------------------------
1438 
1439 void* ComboBox::GetEntryData( sal_uInt16 nPos ) const
1440 {
1441     return mpImplLB->GetEntryList()->GetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1442 }
1443 
1444 // -----------------------------------------------------------------------
1445 
1446 void ComboBox::SetTopEntry( sal_uInt16 nPos )
1447 {
1448     mpImplLB->SetTopEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1449 }
1450 
1451 // -----------------------------------------------------------------------
1452 
1453 void ComboBox::ShowProminentEntry( sal_uInt16 nPos )
1454 {
1455     mpImplLB->ShowProminentEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1456 }
1457 
1458 // -----------------------------------------------------------------------
1459 
1460 sal_uInt16 ComboBox::GetTopEntry() const
1461 {
1462     sal_uInt16 nPos = GetEntryCount() ? mpImplLB->GetTopEntry() : LISTBOX_ENTRY_NOTFOUND;
1463     if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
1464         nPos = 0;
1465     return nPos;
1466 }
1467 
1468 // -----------------------------------------------------------------------
1469 
1470 void ComboBox::SetProminentEntryType( ProminentEntry eType )
1471 {
1472     mpImplLB->SetProminentEntryType( eType );
1473 }
1474 
1475 // -----------------------------------------------------------------------
1476 
1477 ProminentEntry ComboBox::GetProminentEntryType() const
1478 {
1479     return mpImplLB->GetProminentEntryType();
1480 }
1481 
1482 // -----------------------------------------------------------------------
1483 
1484 Rectangle ComboBox::GetDropDownPosSizePixel() const
1485 {
1486     return mpFloatWin ? mpFloatWin->GetWindowExtentsRelative( const_cast<ComboBox*>(this) ) : Rectangle();
1487 }
1488 
1489 // -----------------------------------------------------------------------
1490 
1491 Rectangle ComboBox::GetListPosSizePixel() const
1492 {
1493     return mpFloatWin ? Rectangle() : mpImplLB->GetMainWindow()->GetWindowExtentsRelative( const_cast<ComboBox*>(this) );
1494 }
1495 
1496 // -----------------------------------------------------------------------
1497 
1498 const Wallpaper& ComboBox::GetDisplayBackground() const
1499 {
1500     if( ! mpSubEdit->IsBackground() )
1501         return Control::GetDisplayBackground();
1502 
1503     const Wallpaper& rBack = mpSubEdit->GetBackground();
1504     if( ! rBack.IsBitmap() &&
1505         ! rBack.IsGradient() &&
1506         rBack.GetColor().GetColor() == COL_TRANSPARENT
1507         )
1508         return Control::GetDisplayBackground();
1509     return rBack;
1510 }
1511 // -----------------------------------------------------------------------------
1512 sal_uInt16 ComboBox::GetSelectEntryCount() const
1513 {
1514     return mpImplLB->GetEntryList()->GetSelectEntryCount();
1515 }
1516 // -----------------------------------------------------------------------------
1517 sal_uInt16 ComboBox::GetSelectEntryPos( sal_uInt16 nIndex ) const
1518 {
1519     sal_uInt16 nPos = mpImplLB->GetEntryList()->GetSelectEntryPos( nIndex );
1520     if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1521     {
1522         if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
1523             nPos = mpImplLB->GetEntryList()->FindEntry( mpImplLB->GetEntryList()->GetEntryText( nPos ) );
1524         nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1525     }
1526     return nPos;
1527 }
1528 // -----------------------------------------------------------------------------
1529 sal_Bool ComboBox::IsEntryPosSelected( sal_uInt16 nPos ) const
1530 {
1531     return mpImplLB->GetEntryList()->IsEntryPosSelected( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1532 }
1533 // -----------------------------------------------------------------------------
1534 void ComboBox::SelectEntryPos( sal_uInt16 nPos, sal_Bool bSelect)
1535 {
1536     if ( nPos < mpImplLB->GetEntryList()->GetEntryCount() )
1537         mpImplLB->SelectEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), bSelect );
1538 }
1539 // -----------------------------------------------------------------------------
1540 void ComboBox::SetNoSelection()
1541 {
1542     mpImplLB->SetNoSelection();
1543     mpSubEdit->SetText( String() );
1544 }
1545 // -----------------------------------------------------------------------------
1546 Rectangle ComboBox::GetBoundingRectangle( sal_uInt16 nItem ) const
1547 {
1548     Rectangle aRect = mpImplLB->GetMainWindow()->GetBoundingRectangle( nItem );
1549     Rectangle aOffset = mpImplLB->GetMainWindow()->GetWindowExtentsRelative( (Window*)this );
1550     aRect.Move( aOffset.TopLeft().X(), aOffset.TopLeft().Y() );
1551     return aRect;
1552 }
1553 // -----------------------------------------------------------------------------
1554 
1555 void ComboBox::SetBorderStyle( sal_uInt16 nBorderStyle )
1556 {
1557     Window::SetBorderStyle( nBorderStyle );
1558     if ( !IsDropDownBox() )
1559     {
1560         mpSubEdit->SetBorderStyle( nBorderStyle );
1561         mpImplLB->SetBorderStyle( nBorderStyle );
1562     }
1563 }
1564 // -----------------------------------------------------------------------------
1565 
1566 long ComboBox::GetIndexForPoint( const Point& rPoint, sal_uInt16& rPos ) const
1567 {
1568     if( !HasLayoutData() )
1569         FillLayoutData();
1570 
1571     // check whether rPoint fits at all
1572     long nIndex = Control::GetIndexForPoint( rPoint );
1573     if( nIndex != -1 )
1574     {
1575         // point must be either in main list window
1576         // or in impl window (dropdown case)
1577         ImplListBoxWindow* pMain = mpImplLB->GetMainWindow();
1578 
1579         // convert coordinates to ImplListBoxWindow pixel coordinate space
1580         Point aConvPoint = LogicToPixel( rPoint );
1581         aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint );
1582         aConvPoint = pMain->AbsoluteScreenToOutputPixel( aConvPoint );
1583         aConvPoint = pMain->PixelToLogic( aConvPoint );
1584 
1585         // try to find entry
1586         sal_uInt16 nEntry = pMain->GetEntryPosForPoint( aConvPoint );
1587         if( nEntry == LISTBOX_ENTRY_NOTFOUND )
1588             nIndex = -1;
1589         else
1590             rPos = nEntry;
1591     }
1592 
1593     // get line relative index
1594     if( nIndex != -1 )
1595         nIndex = ToRelativeLineIndex( nIndex );
1596 
1597     return nIndex;
1598 }
1599