xref: /aoo42x/main/vcl/source/control/combobox.cxx (revision ad3a95a3) 
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 //IAccessibility2 Implementation 2009-----
219 	mpImplLB->SetListItemSelectHdl( LINK( this, ComboBox, ImplListItemSelectHdl ) );
220 //-----IAccessibility2 Implementation 2009
221 	mpImplLB->Show();
222 
223 	if ( mpFloatWin )
224 		mpFloatWin->SetImplListBox( mpImplLB );
225 	else
226 		mpImplLB->GetMainWindow()->AllowGrabFocus( sal_True );
227 
228 	ImplCalcEditHeight();
229 
230 	SetCompoundControl( sal_True );
231 }
232 
233 // -----------------------------------------------------------------------
234 
235 WinBits ComboBox::ImplInitStyle( WinBits nStyle )
236 {
237 	if ( !(nStyle & WB_NOTABSTOP) )
238 		nStyle |= WB_TABSTOP;
239 	if ( !(nStyle & WB_NOGROUP) )
240 		nStyle |= WB_GROUP;
241 	return nStyle;
242 }
243 
244 // -----------------------------------------------------------------------
245 
246 void ComboBox::ImplLoadRes( const ResId& rResId )
247 {
248 	Edit::ImplLoadRes( rResId );
249 
250 	sal_uLong nNumber = ReadLongRes();
251 
252 	if( nNumber )
253 	{
254 		for( sal_uInt16 i = 0; i < nNumber; i++ )
255 		{
256 			InsertEntry( ReadStringRes(), LISTBOX_APPEND );
257 		}
258 	}
259 }
260 
261 // -----------------------------------------------------------------------
262 
263 void ComboBox::EnableAutocomplete( sal_Bool bEnable, sal_Bool bMatchCase )
264 {
265 	mbMatchCase = bMatchCase;
266 
267 	if ( bEnable )
268 		mpSubEdit->SetAutocompleteHdl( LINK( this, ComboBox, ImplAutocompleteHdl ) );
269 	else
270 		mpSubEdit->SetAutocompleteHdl( Link() );
271 }
272 
273 // -----------------------------------------------------------------------
274 
275 sal_Bool ComboBox::IsAutocompleteEnabled() const
276 {
277 	return mpSubEdit->GetAutocompleteHdl().IsSet();
278 }
279 //IAccessibility2 Implementation 2009-----
280 void  ComboBox::SetMpSubEditAccessibleName(String &aName)
281 {
282 	if(mpSubEdit!=NULL)
283         mpSubEdit->SetAccessibleName(aName);
284 }
285 //-----IAccessibility2 Implementation 2009
286 // -----------------------------------------------------------------------
287 
288 IMPL_LINK( ComboBox, ImplClickBtnHdl, void*, EMPTYARG )
289 {
290     ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
291 	mpSubEdit->GrabFocus();
292 	if ( !mpImplLB->GetEntryList()->GetMRUCount() )
293 		ImplUpdateFloatSelection();
294 	else
295 		mpImplLB->SelectEntry( 0 , sal_True );
296 	mpBtn->SetPressed( sal_True );
297     SetSelection( Selection( 0, SELECTION_MAX ) );
298 	mpFloatWin->StartFloat( sal_True );
299     ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
300 
301     ImplClearLayoutData();
302     if( mpImplLB )
303         mpImplLB->GetMainWindow()->ImplClearLayoutData();
304 
305 	return 0;
306 }
307 
308 // -----------------------------------------------------------------------
309 
310 IMPL_LINK( ComboBox, ImplPopupModeEndHdl, void*, EMPTYARG )
311 {
312     if( mpFloatWin->IsPopupModeCanceled() )
313     {
314         if ( !mpImplLB->GetEntryList()->IsEntryPosSelected( mpFloatWin->GetPopupModeStartSaveSelection() ) )
315         {
316             mpImplLB->SelectEntry( mpFloatWin->GetPopupModeStartSaveSelection(), sal_True );
317             sal_Bool bTravelSelect = mpImplLB->IsTravelSelect();
318             mpImplLB->SetTravelSelect( sal_True );
319             Select();
320             mpImplLB->SetTravelSelect( bTravelSelect );
321         }
322     }
323 
324     ImplClearLayoutData();
325     if( mpImplLB )
326         mpImplLB->GetMainWindow()->ImplClearLayoutData();
327 
328 	mpBtn->SetPressed( sal_False );
329     ImplCallEventListeners( VCLEVENT_DROPDOWN_CLOSE );
330 	return 0;
331 }
332 
333 // -----------------------------------------------------------------------
334 
335 IMPL_LINK( ComboBox, ImplAutocompleteHdl, Edit*, pEdit )
336 {
337 	Selection			aSel = pEdit->GetSelection();
338 	AutocompleteAction	eAction = pEdit->GetAutocompleteAction();
339 
340     /* If there is no current selection do not auto complete on
341        Tab/Shift-Tab since then we would not cycle to the next field.
342     */
343 	if ( aSel.Len() ||
344 		 ((eAction != AUTOCOMPLETE_TABFORWARD) && (eAction != AUTOCOMPLETE_TABBACKWARD)) )
345 	{
346 		XubString	aFullText = pEdit->GetText();
347 		XubString	aStartText = aFullText.Copy( 0, (xub_StrLen)aSel.Max() );
348 		sal_uInt16		nStart = mpImplLB->GetCurrentPos();
349 
350 		if ( nStart == LISTBOX_ENTRY_NOTFOUND )
351 			nStart = 0;
352 
353 		sal_Bool bForward = sal_True;
354 		if ( eAction == AUTOCOMPLETE_TABFORWARD )
355 			nStart++;
356 		else if ( eAction == AUTOCOMPLETE_TABBACKWARD )
357 		{
358 			bForward = sal_False;
359 			nStart = nStart ? nStart - 1 : mpImplLB->GetEntryList()->GetEntryCount()-1;
360 		}
361 
362         sal_uInt16 nPos = LISTBOX_ENTRY_NOTFOUND;
363         if( ! mbMatchCase )
364         {
365 			// Try match case insensitive from current position
366 			nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, nStart, bForward, sal_True );
367             if ( nPos == LISTBOX_ENTRY_NOTFOUND )
368                 // Try match case insensitive, but from start
369                 nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, bForward ? 0 : (mpImplLB->GetEntryList()->GetEntryCount()-1), bForward, sal_True );
370         }
371 
372 		if ( nPos == LISTBOX_ENTRY_NOTFOUND )
373             // Try match full from current position
374             nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, nStart, bForward, sal_False );
375 		if ( nPos == LISTBOX_ENTRY_NOTFOUND )
376 			//  Match full, but from start
377 			nPos = mpImplLB->GetEntryList()->FindMatchingEntry( aStartText, bForward ? 0 : (mpImplLB->GetEntryList()->GetEntryCount()-1), bForward, sal_False );
378 
379 		if ( nPos != LISTBOX_ENTRY_NOTFOUND )
380 		{
381 			XubString aText = mpImplLB->GetEntryList()->GetEntryText( nPos );
382 			Selection aSelection( aText.Len(), aStartText.Len() );
383 			pEdit->SetText( aText, aSelection );
384 		}
385 	}
386 
387 	return 0;
388 }
389 
390 // -----------------------------------------------------------------------
391 
392 IMPL_LINK( ComboBox, ImplSelectHdl, void*, EMPTYARG )
393 {
394 	sal_Bool bPopup = IsInDropDown();
395 	sal_Bool bCallSelect = sal_False;
396 	if ( mpImplLB->IsSelectionChanged() || bPopup )
397 	{
398 		XubString aText;
399 		if ( IsMultiSelectionEnabled() )
400 		{
401 			aText = mpSubEdit->GetText();
402 
403 			// Alle Eintraege entfernen, zu denen es einen Entry gibt, der aber nicht selektiert ist.
404 			xub_StrLen nIndex = 0;
405 			while ( nIndex != STRING_NOTFOUND )
406 			{
407 				xub_StrLen	nPrevIndex = nIndex;
408 				XubString	aToken = aText.GetToken( 0, mcMultiSep, nIndex );
409 				xub_StrLen	nTokenLen = aToken.Len();
410 				aToken.EraseLeadingAndTrailingChars( ' ' );
411 				sal_uInt16		nP = mpImplLB->GetEntryList()->FindEntry( aToken );
412 				if ( (nP != LISTBOX_ENTRY_NOTFOUND) && (!mpImplLB->GetEntryList()->IsEntryPosSelected( nP )) )
413 				{
414 					aText.Erase( nPrevIndex, nTokenLen );
415 					nIndex = sal::static_int_cast<xub_StrLen>(nIndex - nTokenLen);
416 					if ( (nPrevIndex < aText.Len()) && (aText.GetChar( nPrevIndex ) == mcMultiSep) )
417 					{
418 						aText.Erase( nPrevIndex, 1 );
419 						nIndex--;
420 					}
421 				}
422 				aText.EraseLeadingAndTrailingChars( ' ' );
423 			}
424 
425 			// Fehlende Eintraege anhaengen...
426 			Table aSelInText;
427 			lcl_GetSelectedEntries( aSelInText, aText, mcMultiSep, mpImplLB->GetEntryList() );
428 			sal_uInt16 nSelectedEntries = mpImplLB->GetEntryList()->GetSelectEntryCount();
429 			for ( sal_uInt16 n = 0; n < nSelectedEntries; n++ )
430 			{
431 				sal_uInt16 nP = mpImplLB->GetEntryList()->GetSelectEntryPos( n );
432 				if ( !aSelInText.IsKeyValid( ImplCreateKey( nP ) ) )
433 				{
434 					if ( aText.Len() && (aText.GetChar( aText.Len()-1 ) != mcMultiSep) )
435 						aText += mcMultiSep;
436 					if ( aText.Len() )
437 						aText += ' ';   // etwas auflockern
438 					aText += mpImplLB->GetEntryList()->GetEntryText( nP );
439 					aText += mcMultiSep;
440 				}
441 			}
442 			if ( aText.Len() && (aText.GetChar( aText.Len()-1 ) == mcMultiSep) )
443 				aText.Erase( aText.Len()-1, 1 );
444 		}
445 		else
446 		{
447 			aText = mpImplLB->GetEntryList()->GetSelectEntry( 0 );
448 		}
449 
450 		mpSubEdit->SetText( aText );
451 
452 		Selection aNewSelection( 0, aText.Len() );
453 		if ( IsMultiSelectionEnabled() )
454 			aNewSelection.Min() = aText.Len();
455 		mpSubEdit->SetSelection( aNewSelection );
456 
457 		bCallSelect = sal_True;
458 	}
459 
460 	// #84652# Call GrabFocus and EndPopupMode before calling Select/Modify, but after changing the text
461 
462 	if ( bPopup && !mpImplLB->IsTravelSelect() &&
463 		( !IsMultiSelectionEnabled() || !mpImplLB->GetSelectModifier() ) )
464 	{
465 		mpFloatWin->EndPopupMode();
466 		GrabFocus();
467 	}
468 
469 	if ( bCallSelect )
470 	{
471 		mpSubEdit->SetModifyFlag();
472 		mbSyntheticModify = sal_True;
473 		Modify();
474 		mbSyntheticModify = sal_False;
475 		Select();
476 	}
477 
478 	return 0;
479 }
480 //IAccessibility2 Implementation 2009-----
481 IMPL_LINK( ComboBox, ImplListItemSelectHdl,  void*, EMPTYARG )
482 {
483     ImplCallEventListeners( VCLEVENT_LISTBOX_SELECT );
484 	return 1;
485 }
486 //-----IAccessibility2 Implementation 2009
487 // -----------------------------------------------------------------------
488 
489 IMPL_LINK( ComboBox, ImplCancelHdl, void*, EMPTYARG )
490 {
491 	if( IsInDropDown() )
492 		mpFloatWin->EndPopupMode();
493 
494 	return 1;
495 }
496 
497 // -----------------------------------------------------------------------
498 
499 IMPL_LINK( ComboBox, ImplSelectionChangedHdl, void*, n )
500 {
501 	if ( !mpImplLB->IsTrackingSelect() )
502 	{
503 		sal_uInt16 nChanged = (sal_uInt16)(sal_uLong)n;
504 		if ( !mpSubEdit->IsReadOnly() && mpImplLB->GetEntryList()->IsEntryPosSelected( nChanged ) )
505 			mpSubEdit->SetText( mpImplLB->GetEntryList()->GetEntryText( nChanged ) );
506 	}
507 	return 1;
508 }
509 
510 // -----------------------------------------------------------------------
511 
512 IMPL_LINK( ComboBox, ImplDoubleClickHdl, void*, EMPTYARG )
513 {
514 	DoubleClick();
515 	return 0;
516 }
517 
518 // -----------------------------------------------------------------------
519 
520 void ComboBox::ToggleDropDown()
521 {
522     if( IsDropDownBox() )
523     {
524         if( mpFloatWin->IsInPopupMode() )
525             mpFloatWin->EndPopupMode();
526         else
527         {
528             mpSubEdit->GrabFocus();
529             if ( !mpImplLB->GetEntryList()->GetMRUCount() )
530                 ImplUpdateFloatSelection();
531             else
532                 mpImplLB->SelectEntry( 0 , sal_True );
533             ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
534             mpBtn->SetPressed( sal_True );
535             SetSelection( Selection( 0, SELECTION_MAX ) );
536             mpFloatWin->StartFloat( sal_True );
537             ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
538         }
539     }
540 }
541 
542 // -----------------------------------------------------------------------
543 
544 void ComboBox::Select()
545 {
546     ImplCallEventListenersAndHandler( VCLEVENT_COMBOBOX_SELECT, maSelectHdl, this );
547 }
548 
549 // -----------------------------------------------------------------------
550 
551 void ComboBox::DoubleClick()
552 {
553     ImplCallEventListenersAndHandler( VCLEVENT_COMBOBOX_DOUBLECLICK, maDoubleClickHdl, this );
554 }
555 
556 // -----------------------------------------------------------------------
557 
558 void ComboBox::EnableAutoSize( sal_Bool bAuto )
559 {
560 	mbDDAutoSize = bAuto;
561 	if ( mpFloatWin )
562 	{
563 		if ( bAuto && !mpFloatWin->GetDropDownLineCount() )
564 			mpFloatWin->SetDropDownLineCount( 5 );
565 		else if ( !bAuto )
566 			mpFloatWin->SetDropDownLineCount( 0 );
567 	}
568 }
569 
570 // -----------------------------------------------------------------------
571 
572 void ComboBox::EnableDDAutoWidth( sal_Bool b )
573 {
574     if ( mpFloatWin )
575         mpFloatWin->SetAutoWidth( b );
576 }
577 
578  // -----------------------------------------------------------------------
579 
580 sal_Bool ComboBox::IsDDAutoWidthEnabled() const
581 {
582     return mpFloatWin ? mpFloatWin->IsAutoWidth() : sal_False;
583 }
584 
585 
586 // -----------------------------------------------------------------------
587 
588 void ComboBox::SetDropDownLineCount( sal_uInt16 nLines )
589 {
590 	if ( mpFloatWin )
591 		mpFloatWin->SetDropDownLineCount( nLines );
592 }
593 
594 // -----------------------------------------------------------------------
595 
596 sal_uInt16 ComboBox::GetDropDownLineCount() const
597 {
598 	sal_uInt16 nLines = 0;
599 	if ( mpFloatWin )
600 		nLines = mpFloatWin->GetDropDownLineCount();
601 	return nLines;
602 }
603 
604 // -----------------------------------------------------------------------
605 
606 void ComboBox::SetPosSizePixel( long nX, long nY, long nWidth, long nHeight,
607 								sal_uInt16 nFlags )
608 {
609 	if( IsDropDownBox() && ( nFlags & WINDOW_POSSIZE_SIZE ) )
610 	{
611 		Size aPrefSz = mpFloatWin->GetPrefSize();
612 		if ( ( nFlags & WINDOW_POSSIZE_HEIGHT ) && ( nHeight >= 2*mnDDHeight ) )
613 			aPrefSz.Height() = nHeight-mnDDHeight;
614 		if ( nFlags & WINDOW_POSSIZE_WIDTH )
615 			aPrefSz.Width() = nWidth;
616 		mpFloatWin->SetPrefSize( aPrefSz );
617 
618 		if ( IsAutoSizeEnabled() && ! (nFlags & WINDOW_POSSIZE_DROPDOWN) )
619 			nHeight = mnDDHeight;
620 	}
621 
622 	Edit::SetPosSizePixel( nX, nY, nWidth, nHeight, nFlags );
623 }
624 
625 // -----------------------------------------------------------------------
626 
627 void ComboBox::Resize()
628 {
629     Control::Resize();
630 
631 	Size aOutSz = GetOutputSizePixel();
632 	if( IsDropDownBox() )
633 	{
634 		long nSBWidth = GetSettings().GetStyleSettings().GetScrollBarSize();
635 		long	nTop = 0;
636 		long	nBottom = aOutSz.Height();
637 
638         Window *pBorder = GetWindow( WINDOW_BORDER );
639 		ImplControlValue aControlValue;
640 		Point aPoint;
641 		Rectangle aContent, aBound;
642 
643         // use the full extent of the control
644 		Rectangle aArea( aPoint, pBorder->GetOutputSizePixel() );
645 
646 		if ( GetNativeControlRegion(CTRL_COMBOBOX, PART_BUTTON_DOWN,
647 				aArea, 0, aControlValue, rtl::OUString(), aBound, aContent) )
648 		{
649             // convert back from border space to local coordinates
650             aPoint = pBorder->ScreenToOutputPixel( OutputToScreenPixel( aPoint ) );
651             aContent.Move(-aPoint.X(), -aPoint.Y());
652 
653 		    mpBtn->SetPosSizePixel( aContent.Left(), nTop, aContent.getWidth(), (nBottom-nTop) );
654 
655             // adjust the size of the edit field
656             if ( GetNativeControlRegion(CTRL_COMBOBOX, PART_SUB_EDIT,
657                         aArea, 0, aControlValue, rtl::OUString(), aBound, aContent) )
658             {
659                 // convert back from border space to local coordinates
660                 aContent.Move(-aPoint.X(), -aPoint.Y());
661 
662                 // use the themes drop down size
663                 mpSubEdit->SetPosSizePixel( aContent.TopLeft(), aContent.GetSize() );
664             }
665             else
666             {
667                 // use the themes drop down size for the button
668                 aOutSz.Width() -= aContent.getWidth();
669                 mpSubEdit->SetSizePixel( aOutSz );
670             }
671 		}
672 		else
673         {
674             nSBWidth = CalcZoom( nSBWidth );
675 		    mpSubEdit->SetPosSizePixel( Point( 0, 0 ), Size( aOutSz.Width() - nSBWidth, aOutSz.Height() ) );
676 		    mpBtn->SetPosSizePixel( aOutSz.Width() - nSBWidth, nTop, nSBWidth, (nBottom-nTop) );
677         }
678 	}
679 	else
680 	{
681 		mpSubEdit->SetSizePixel( Size( aOutSz.Width(), mnDDHeight ) );
682 		mpImplLB->SetPosSizePixel( 0, mnDDHeight, aOutSz.Width(), aOutSz.Height() - mnDDHeight );
683 		if ( GetText().Len() )
684 			ImplUpdateFloatSelection();
685 	}
686 
687 	// FloatingWindow-Groesse auch im unsichtbare Zustand auf Stand halten,
688 	// weil KEY_PGUP/DOWN ausgewertet wird...
689 	if ( mpFloatWin )
690 		mpFloatWin->SetSizePixel( mpFloatWin->CalcFloatSize() );
691 }
692 
693 // -----------------------------------------------------------------------
694 
695 void ComboBox::FillLayoutData() const
696 {
697     mpControlData->mpLayoutData = new vcl::ControlLayoutData();
698     AppendLayoutData( *mpSubEdit );
699     mpSubEdit->SetLayoutDataParent( this );
700     Control* pMainWindow = mpImplLB->GetMainWindow();
701     if( mpFloatWin )
702     {
703         // dropdown mode
704         if( mpFloatWin->IsReallyVisible() )
705         {
706             AppendLayoutData( *pMainWindow );
707             pMainWindow->SetLayoutDataParent( this );
708         }
709     }
710     else
711     {
712         AppendLayoutData( *pMainWindow );
713         pMainWindow->SetLayoutDataParent( this );
714     }
715 }
716 
717 // -----------------------------------------------------------------------
718 
719 void ComboBox::StateChanged( StateChangedType nType )
720 {
721 	Edit::StateChanged( nType );
722 
723 	if ( nType == STATE_CHANGE_READONLY )
724 	{
725 		mpImplLB->SetReadOnly( IsReadOnly() );
726 		if ( mpBtn )
727 			mpBtn->Enable( IsEnabled() && !IsReadOnly() );
728 	}
729 	else if ( nType == STATE_CHANGE_ENABLE )
730 	{
731 		mpSubEdit->Enable( IsEnabled() );
732 		mpImplLB->Enable( IsEnabled() && !IsReadOnly() );
733 		if ( mpBtn )
734 			mpBtn->Enable( IsEnabled() && !IsReadOnly() );
735 		Invalidate();
736 	}
737 	else if( nType == STATE_CHANGE_UPDATEMODE )
738 	{
739 		mpImplLB->SetUpdateMode( IsUpdateMode() );
740 	}
741 	else if ( nType == STATE_CHANGE_ZOOM )
742 	{
743 		mpImplLB->SetZoom( GetZoom() );
744 		mpSubEdit->SetZoom( GetZoom() );
745 		ImplCalcEditHeight();
746 		Resize();
747 	}
748 	else if ( nType == STATE_CHANGE_CONTROLFONT )
749 	{
750 		mpImplLB->SetControlFont( GetControlFont() );
751 		mpSubEdit->SetControlFont( GetControlFont() );
752 		ImplCalcEditHeight();
753 		Resize();
754 	}
755 	else if ( nType == STATE_CHANGE_CONTROLFOREGROUND )
756 	{
757 		mpImplLB->SetControlForeground( GetControlForeground() );
758 		mpSubEdit->SetControlForeground( GetControlForeground() );
759 	}
760 	else if ( nType == STATE_CHANGE_CONTROLBACKGROUND )
761 	{
762 		mpImplLB->SetControlBackground( GetControlBackground() );
763 		mpSubEdit->SetControlBackground( GetControlBackground() );
764 	}
765 	else if ( nType == STATE_CHANGE_STYLE )
766 	{
767 		SetStyle( ImplInitStyle( GetStyle() ) );
768 		mpImplLB->GetMainWindow()->EnableSort( ( GetStyle() & WB_SORT ) ? sal_True : sal_False );
769 	}
770     else if( nType == STATE_CHANGE_MIRRORING )
771     {
772         if( mpBtn )
773         {
774             mpBtn->EnableRTL( IsRTLEnabled() );
775             ImplInitDropDownButton( mpBtn );
776         }
777         mpSubEdit->StateChanged( STATE_CHANGE_MIRRORING );
778         mpImplLB->EnableRTL( IsRTLEnabled() );
779         Resize();
780     }
781 }
782 
783 // -----------------------------------------------------------------------
784 
785 void ComboBox::DataChanged( const DataChangedEvent& rDCEvt )
786 {
787 	Control::DataChanged( rDCEvt );
788 
789 	if ( (rDCEvt.GetType() == DATACHANGED_FONTS) ||
790 		 (rDCEvt.GetType() == DATACHANGED_FONTSUBSTITUTION) ||
791 		 ((rDCEvt.GetType() == DATACHANGED_SETTINGS) &&
792 		  (rDCEvt.GetFlags() & SETTINGS_STYLE)) )
793 	{
794 		if ( mpBtn )
795 		{
796 			mpBtn->SetSettings( GetSettings() );
797 			ImplInitDropDownButton( mpBtn );
798 		}
799 		Resize();
800 		mpImplLB->Resize(); // Wird nicht durch ComboBox::Resize() gerufen, wenn sich die ImplLB nicht aendert.
801         SetBackground();    // due to a hack in Window::UpdateSettings the background must be reset
802                             // otherwise it will overpaint NWF drawn comboboxes
803 	}
804 }
805 
806 // -----------------------------------------------------------------------
807 
808 long ComboBox::PreNotify( NotifyEvent& rNEvt )
809 {
810 
811 	return Edit::PreNotify( rNEvt );
812 }
813 
814 // -----------------------------------------------------------------------
815 
816 long ComboBox::Notify( NotifyEvent& rNEvt )
817 {
818 	long nDone = 0;
819 	if( ( rNEvt.GetType() == EVENT_KEYINPUT ) && ( rNEvt.GetWindow() == mpSubEdit )
820 			&& !IsReadOnly() )
821 	{
822 		KeyEvent aKeyEvt = *rNEvt.GetKeyEvent();
823 		sal_uInt16	 nKeyCode = aKeyEvt.GetKeyCode().GetCode();
824 		switch( nKeyCode )
825 		{
826 			case KEY_UP:
827 			case KEY_DOWN:
828 			case KEY_PAGEUP:
829 			case KEY_PAGEDOWN:
830 			{
831 				ImplUpdateFloatSelection();
832 				if( ( nKeyCode == KEY_DOWN ) && mpFloatWin && !mpFloatWin->IsInPopupMode() && aKeyEvt.GetKeyCode().IsMod2() )
833 				{
834                     ImplCallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
835 					mpBtn->SetPressed( sal_True );
836 					if ( mpImplLB->GetEntryList()->GetMRUCount() )
837 						mpImplLB->SelectEntry( 0 , sal_True );
838                     SetSelection( Selection( 0, SELECTION_MAX ) );
839 					mpFloatWin->StartFloat( sal_False );
840                     ImplCallEventListeners( VCLEVENT_DROPDOWN_OPEN );
841 					nDone = 1;
842 				}
843 				else if( ( nKeyCode == KEY_UP ) && mpFloatWin && mpFloatWin->IsInPopupMode() && aKeyEvt.GetKeyCode().IsMod2() )
844 				{
845 					mpFloatWin->EndPopupMode();
846 					nDone = 1;
847 				}
848 				else
849                 {
850 					nDone = mpImplLB->ProcessKeyInput( aKeyEvt );
851                 }
852 			}
853 			break;
854 
855 			case KEY_RETURN:
856 			{
857 				if( ( rNEvt.GetWindow() == mpSubEdit ) && IsInDropDown() )
858 				{
859 					mpImplLB->ProcessKeyInput( aKeyEvt );
860 					nDone = 1;
861 				}
862 			}
863 			break;
864 		}
865 	}
866 	else if ( (rNEvt.GetType() == EVENT_LOSEFOCUS) && mpFloatWin )
867 	{
868 		if( mpFloatWin->HasChildPathFocus() )
869 			mpSubEdit->GrabFocus();
870 		else if ( mpFloatWin->IsInPopupMode() && !HasChildPathFocus( sal_True ) )
871 			mpFloatWin->EndPopupMode();
872 	}
873 	else if( (rNEvt.GetType() == EVENT_COMMAND) &&
874 			 (rNEvt.GetCommandEvent()->GetCommand() == COMMAND_WHEEL) &&
875 			 (rNEvt.GetWindow() == mpSubEdit) )
876 	{
877         sal_uInt16 nWheelBehavior( GetSettings().GetMouseSettings().GetWheelBehavior() );
878         if  (   ( nWheelBehavior == MOUSE_WHEEL_ALWAYS )
879             ||  (   ( nWheelBehavior == MOUSE_WHEEL_FOCUS_ONLY )
880                 &&  HasChildPathFocus()
881                 )
882             )
883         {
884             nDone = mpImplLB->HandleWheelAsCursorTravel( *rNEvt.GetCommandEvent() );
885         }
886         else
887         {
888             nDone = 0;  // don't eat this event, let the default handling happen (i.e. scroll the context)
889         }
890 	}
891     else if( ( rNEvt.GetType() == EVENT_MOUSEBUTTONDOWN ) && ( rNEvt.GetWindow() == mpImplLB->GetMainWindow() ) )
892 	{
893 		mpSubEdit->GrabFocus();
894 	}
895 
896 	return nDone ? nDone : Edit::Notify( rNEvt );
897 }
898 
899 // -----------------------------------------------------------------------
900 
901 void ComboBox::SetText( const XubString& rStr )
902 {
903     ImplCallEventListeners( VCLEVENT_COMBOBOX_SETTEXT );
904 
905 	Edit::SetText( rStr );
906 	ImplUpdateFloatSelection();
907 }
908 
909 // -----------------------------------------------------------------------
910 
911 void ComboBox::SetText( const XubString& rStr, const Selection& rNewSelection )
912 {
913     ImplCallEventListeners( VCLEVENT_COMBOBOX_SETTEXT );
914 
915 	Edit::SetText( rStr, rNewSelection );
916 	ImplUpdateFloatSelection();
917 }
918 
919 // -----------------------------------------------------------------------
920 
921 void ComboBox::Modify()
922 {
923 	if ( !mbSyntheticModify )
924 		ImplUpdateFloatSelection();
925 
926 	Edit::Modify();
927 }
928 
929 // -----------------------------------------------------------------------
930 
931 void ComboBox::ImplUpdateFloatSelection()
932 {
933 	// Text in der ListBox in den sichtbaren Bereich bringen
934 	mpImplLB->SetCallSelectionChangedHdl( sal_False );
935 	if ( !IsMultiSelectionEnabled() )
936 	{
937 		XubString	aSearchStr( mpSubEdit->GetText() );
938 		sal_uInt16		nSelect = LISTBOX_ENTRY_NOTFOUND;
939 		sal_Bool		bSelect = sal_True;
940 
941 		if ( mpImplLB->GetCurrentPos() != LISTBOX_ENTRY_NOTFOUND )
942 		{
943 			XubString aCurrent = mpImplLB->GetEntryList()->GetEntryText( mpImplLB->GetCurrentPos() );
944 			if ( aCurrent == aSearchStr )
945 				nSelect = mpImplLB->GetCurrentPos();
946 		}
947 
948 		if ( nSelect == LISTBOX_ENTRY_NOTFOUND )
949 			nSelect = mpImplLB->GetEntryList()->FindEntry( aSearchStr );
950 		if ( nSelect == LISTBOX_ENTRY_NOTFOUND )
951 		{
952 			nSelect = mpImplLB->GetEntryList()->FindMatchingEntry( aSearchStr );
953 			bSelect = sal_False;
954 		}
955 
956 		if( nSelect != LISTBOX_ENTRY_NOTFOUND )
957 		{
958 			if ( !mpImplLB->IsVisible( nSelect ) )
959 				mpImplLB->ShowProminentEntry( nSelect );
960 			mpImplLB->SelectEntry( nSelect, bSelect );
961 		}
962 		else
963 		{
964 			nSelect = mpImplLB->GetEntryList()->GetSelectEntryPos( 0 );
965 			if( nSelect != LISTBOX_ENTRY_NOTFOUND )
966 				mpImplLB->SelectEntry( nSelect, sal_False );
967 			mpImplLB->ResetCurrentPos();
968 		}
969 	}
970 	else
971 	{
972 		Table aSelInText;
973 		lcl_GetSelectedEntries( aSelInText, mpSubEdit->GetText(), mcMultiSep, mpImplLB->GetEntryList() );
974 		for ( sal_uInt16 n = 0; n < mpImplLB->GetEntryList()->GetEntryCount(); n++ )
975 			mpImplLB->SelectEntry( n, aSelInText.IsKeyValid( ImplCreateKey( n ) ) );
976 	}
977 	mpImplLB->SetCallSelectionChangedHdl( sal_True );
978 }
979 
980 // -----------------------------------------------------------------------
981 
982 sal_uInt16 ComboBox::InsertEntry( const XubString& rStr, sal_uInt16 nPos )
983 {
984 	sal_uInt16 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr );
985 	nRealPos = sal::static_int_cast<sal_uInt16>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
986     CallEventListeners( VCLEVENT_COMBOBOX_ITEMADDED, (void*) sal_IntPtr(nRealPos) );
987 	return nRealPos;
988 }
989 
990 // -----------------------------------------------------------------------
991 
992 sal_uInt16 ComboBox::InsertEntry( const XubString& rStr, const Image& rImage, sal_uInt16 nPos )
993 {
994 	sal_uInt16 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr, rImage );
995 	nRealPos = sal::static_int_cast<sal_uInt16>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
996     CallEventListeners( VCLEVENT_COMBOBOX_ITEMADDED, (void*) sal_IntPtr(nRealPos) );
997 	return nRealPos;
998 }
999 
1000 // -----------------------------------------------------------------------
1001 
1002 void ComboBox::RemoveEntry( const XubString& rStr )
1003 {
1004 	RemoveEntry( GetEntryPos( rStr ) );
1005 }
1006 
1007 // -----------------------------------------------------------------------
1008 
1009 void ComboBox::RemoveEntry( sal_uInt16 nPos )
1010 {
1011 	mpImplLB->RemoveEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1012     CallEventListeners( VCLEVENT_COMBOBOX_ITEMREMOVED, (void*) sal_IntPtr(nPos) );
1013 }
1014 
1015 // -----------------------------------------------------------------------
1016 
1017 void ComboBox::Clear()
1018 {
1019 	mpImplLB->Clear();
1020     CallEventListeners( VCLEVENT_COMBOBOX_ITEMREMOVED, (void*) sal_IntPtr(-1) );
1021 }
1022 // -----------------------------------------------------------------------
1023 
1024 Image ComboBox::GetEntryImage( sal_uInt16 nPos ) const
1025 {
1026     if ( mpImplLB->GetEntryList()->HasEntryImage( nPos ) )
1027         return mpImplLB->GetEntryList()->GetEntryImage( nPos );
1028     return Image();
1029 }
1030 
1031 // -----------------------------------------------------------------------
1032 
1033 sal_uInt16 ComboBox::GetEntryPos( const XubString& rStr ) const
1034 {
1035 	sal_uInt16 nPos = mpImplLB->GetEntryList()->FindEntry( rStr );
1036 	if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1037 		nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1038 	return nPos;
1039 }
1040 
1041 // -----------------------------------------------------------------------
1042 
1043 sal_uInt16 ComboBox::GetEntryPos( const void* pData ) const
1044 {
1045 	sal_uInt16 nPos = mpImplLB->GetEntryList()->FindEntry( pData );
1046 	if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1047 		nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1048 	return nPos;
1049 }
1050 
1051 // -----------------------------------------------------------------------
1052 
1053 XubString ComboBox::GetEntry( sal_uInt16 nPos ) const
1054 {
1055 	return mpImplLB->GetEntryList()->GetEntryText( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1056 }
1057 
1058 // -----------------------------------------------------------------------
1059 
1060 sal_uInt16 ComboBox::GetEntryCount() const
1061 {
1062 	return mpImplLB->GetEntryList()->GetEntryCount() - mpImplLB->GetEntryList()->GetMRUCount();
1063 }
1064 
1065 // -----------------------------------------------------------------------
1066 
1067 sal_Bool ComboBox::IsTravelSelect() const
1068 {
1069 	return mpImplLB->IsTravelSelect();
1070 }
1071 
1072 // -----------------------------------------------------------------------
1073 
1074 sal_Bool ComboBox::IsInDropDown() const
1075 {
1076 	return mpFloatWin && mpFloatWin->IsInPopupMode();
1077 }
1078 
1079 // -----------------------------------------------------------------------
1080 
1081 void ComboBox::EnableMultiSelection( sal_Bool bMulti )
1082 {
1083 	mpImplLB->EnableMultiSelection( bMulti, sal_False );
1084 	mpImplLB->SetMultiSelectionSimpleMode( sal_True );
1085 }
1086 
1087 // -----------------------------------------------------------------------
1088 
1089 sal_Bool ComboBox::IsMultiSelectionEnabled() const
1090 {
1091 	return mpImplLB->IsMultiSelectionEnabled();
1092 }
1093 
1094 // -----------------------------------------------------------------------
1095 
1096 long ComboBox::CalcWindowSizePixel( sal_uInt16 nLines ) const
1097 {
1098 	return mpImplLB->GetEntryHeight() * nLines;
1099 }
1100 
1101 // -----------------------------------------------------------------------
1102 
1103 Size ComboBox::GetOptimalSize(WindowSizeType eType) const
1104 {
1105     switch (eType) {
1106     case WINDOWSIZE_MINIMUM:
1107         return CalcMinimumSize();
1108     default:
1109         return Edit::GetOptimalSize( eType );
1110     }
1111 }
1112 
1113 // -----------------------------------------------------------------------
1114 
1115 Size ComboBox::CalcMinimumSize() const
1116 {
1117 	Size aSz;
1118 	if ( !IsDropDownBox() )
1119 	{
1120 		aSz = mpImplLB->CalcSize( mpImplLB->GetEntryList()->GetEntryCount() );
1121 		aSz.Height() += mnDDHeight;
1122 	}
1123 	else
1124 	{
1125 		aSz.Height() = mpImplLB->CalcSize( 1 ).Height();
1126 		aSz.Width() = mpImplLB->GetMaxEntryWidth();
1127 		aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1128 	}
1129 
1130 	aSz = CalcWindowSize( aSz );
1131 	return aSz;
1132 }
1133 
1134 // -----------------------------------------------------------------------
1135 
1136 Size ComboBox::CalcAdjustedSize( const Size& rPrefSize ) const
1137 {
1138 	Size aSz = rPrefSize;
1139 	sal_Int32 nLeft, nTop, nRight, nBottom;
1140 	((Window*)this)->GetBorder( nLeft, nTop, nRight, nBottom );
1141 	aSz.Height() -= nTop+nBottom;
1142 	if ( !IsDropDownBox() )
1143 	{
1144 		long nEntryHeight = CalcSize( 1, 1 ).Height();
1145 		long nLines = aSz.Height() / nEntryHeight;
1146 		if ( nLines < 1 )
1147 			nLines = 1;
1148 		aSz.Height() = nLines * nEntryHeight;
1149 		aSz.Height() += mnDDHeight;
1150 	}
1151 	else
1152 	{
1153 		aSz.Height() = mnDDHeight;
1154 	}
1155 	aSz.Height() += nTop+nBottom;
1156 
1157 	aSz = CalcWindowSize( aSz );
1158 	return aSz;
1159 }
1160 
1161 // -----------------------------------------------------------------------
1162 
1163 Size ComboBox::CalcSize( sal_uInt16 nColumns, sal_uInt16 nLines ) const
1164 {
1165 	// ggf. werden ScrollBars eingeblendet
1166 	Size aMinSz = CalcMinimumSize();
1167 	Size aSz;
1168 
1169 	// Hoehe
1170 	if ( nLines )
1171 	{
1172 		if ( !IsDropDownBox() )
1173 			aSz.Height() = mpImplLB->CalcSize( nLines ).Height() + mnDDHeight;
1174 		else
1175 			aSz.Height() = mnDDHeight;
1176 	}
1177 	else
1178 		aSz.Height() = aMinSz.Height();
1179 
1180 	// Breite
1181 	if ( nColumns )
1182 		aSz.Width() = nColumns * GetTextWidth( UniString( 'X' ) );
1183 	else
1184 		aSz.Width() = aMinSz.Width();
1185 
1186 	if ( IsDropDownBox() )
1187 		aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1188 
1189 	if ( !IsDropDownBox() )
1190 	{
1191 		if ( aSz.Width() < aMinSz.Width() )
1192 			aSz.Height() += GetSettings().GetStyleSettings().GetScrollBarSize();
1193 		if ( aSz.Height() < aMinSz.Height() )
1194 			aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
1195 	}
1196 
1197 	aSz = CalcWindowSize( aSz );
1198 	return aSz;
1199 }
1200 
1201 // -----------------------------------------------------------------------
1202 
1203 void ComboBox::GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const
1204 {
1205 	long nCharWidth = GetTextWidth( UniString( 'x' ) );
1206 	if ( !IsDropDownBox() )
1207 	{
1208 		Size aOutSz = mpImplLB->GetMainWindow()->GetOutputSizePixel();
1209 		rnCols = (sal_uInt16)(aOutSz.Width()/nCharWidth);
1210 		rnLines = (sal_uInt16)(aOutSz.Height()/mpImplLB->GetEntryHeight());
1211 	}
1212 	else
1213 	{
1214 		Size aOutSz = mpSubEdit->GetOutputSizePixel();
1215 		rnCols = (sal_uInt16)(aOutSz.Width()/nCharWidth);
1216 		rnLines = 1;
1217 	}
1218 }
1219 
1220 // -----------------------------------------------------------------------
1221 
1222 void ComboBox::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, sal_uLong nFlags )
1223 {
1224 	mpImplLB->GetMainWindow()->ImplInitSettings( sal_True, sal_True, sal_True );
1225 
1226 	Point aPos = pDev->LogicToPixel( rPos );
1227 	Size aSize = pDev->LogicToPixel( rSize );
1228 	Font aFont = mpImplLB->GetMainWindow()->GetDrawPixelFont( pDev );
1229 	OutDevType eOutDevType = pDev->GetOutDevType();
1230 
1231 	pDev->Push();
1232 	pDev->SetMapMode();
1233 	pDev->SetFont( aFont );
1234 	pDev->SetTextFillColor();
1235 
1236 	// Border/Background
1237 	pDev->SetLineColor();
1238 	pDev->SetFillColor();
1239 	sal_Bool bBorder = !(nFlags & WINDOW_DRAW_NOBORDER ) && (GetStyle() & WB_BORDER);
1240 	sal_Bool bBackground = !(nFlags & WINDOW_DRAW_NOBACKGROUND) && IsControlBackground();
1241 	if ( bBorder || bBackground )
1242 	{
1243 		Rectangle aRect( aPos, aSize );
1244 		// aRect.Top() += nEditHeight;
1245 		if ( bBorder )
1246 		{
1247             ImplDrawFrame( pDev, aRect );
1248 		}
1249 		if ( bBackground )
1250 		{
1251 			pDev->SetFillColor( GetControlBackground() );
1252 			pDev->DrawRect( aRect );
1253 		}
1254 	}
1255 
1256 	// Inhalt
1257 	if ( !IsDropDownBox() )
1258 	{
1259 	    long        nOnePixel = GetDrawPixel( pDev, 1 );
1260 		long        nTextHeight = pDev->GetTextHeight();
1261 		long        nEditHeight = nTextHeight + 6*nOnePixel;
1262         sal_uInt16      nTextStyle = TEXT_DRAW_VCENTER;
1263 
1264 		// First, draw the edit part
1265         mpSubEdit->Draw( pDev, aPos, Size( aSize.Width(), nEditHeight ), nFlags );
1266 
1267         // Second, draw the listbox
1268         if ( GetStyle() & WB_CENTER )
1269             nTextStyle |= TEXT_DRAW_CENTER;
1270         else if ( GetStyle() & WB_RIGHT )
1271             nTextStyle |= TEXT_DRAW_RIGHT;
1272         else
1273             nTextStyle |= TEXT_DRAW_LEFT;
1274 
1275 		if ( ( nFlags & WINDOW_DRAW_MONO ) || ( eOutDevType == OUTDEV_PRINTER ) )
1276 		{
1277 			pDev->SetTextColor( Color( COL_BLACK ) );
1278 		}
1279 		else
1280 		{
1281 			if ( !(nFlags & WINDOW_DRAW_NODISABLE ) && !IsEnabled() )
1282 			{
1283 				const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
1284 				pDev->SetTextColor( rStyleSettings.GetDisableColor() );
1285 			}
1286 			else
1287 			{
1288 				pDev->SetTextColor( GetTextColor() );
1289 			}
1290 		}
1291 
1292 		Rectangle aClip( aPos, aSize );
1293 		pDev->IntersectClipRegion( aClip );
1294 		sal_uInt16 nLines = (sal_uInt16) ( (aSize.Height()-nEditHeight) / nTextHeight );
1295 		if ( !nLines )
1296 			nLines = 1;
1297 		sal_uInt16 nTEntry = IsReallyVisible() ? mpImplLB->GetTopEntry() : 0;
1298 
1299         Rectangle aTextRect( aPos, aSize );
1300 
1301         aTextRect.Left() += 3*nOnePixel;
1302         aTextRect.Right() -= 3*nOnePixel;
1303         aTextRect.Top() += nEditHeight + nOnePixel;
1304         aTextRect.Bottom() = aTextRect.Top() + nTextHeight;
1305 
1306         // the drawing starts here
1307         for ( sal_uInt16 n = 0; n < nLines; n++ )
1308         {
1309 			pDev->DrawText( aTextRect, mpImplLB->GetEntryList()->GetEntryText( n+nTEntry ), nTextStyle );
1310             aTextRect.Top() += nTextHeight;
1311             aTextRect.Bottom() += nTextHeight;
1312         }
1313 	}
1314 
1315 	pDev->Pop();
1316 
1317     // Call Edit::Draw after restoring the MapMode...
1318 	if ( IsDropDownBox() )
1319 	{
1320 		mpSubEdit->Draw( pDev, rPos, rSize, nFlags );
1321 		// DD-Button ?
1322 	}
1323 
1324 }
1325 
1326 // -----------------------------------------------------------------------
1327 
1328 IMPL_LINK( ComboBox, ImplUserDrawHdl, UserDrawEvent*, pEvent )
1329 {
1330 	UserDraw( *pEvent );
1331 	return 1;
1332 }
1333 
1334 // -----------------------------------------------------------------------
1335 
1336 void ComboBox::UserDraw( const UserDrawEvent& )
1337 {
1338 }
1339 
1340 // -----------------------------------------------------------------------
1341 
1342 void ComboBox::SetUserItemSize( const Size& rSz )
1343 {
1344 	mpImplLB->GetMainWindow()->SetUserItemSize( rSz );
1345 }
1346 
1347 // -----------------------------------------------------------------------
1348 
1349 const Size& ComboBox::GetUserItemSize() const
1350 {
1351 	return mpImplLB->GetMainWindow()->GetUserItemSize();
1352 }
1353 
1354 // -----------------------------------------------------------------------
1355 
1356 void ComboBox::EnableUserDraw( sal_Bool bUserDraw )
1357 {
1358 	mpImplLB->GetMainWindow()->EnableUserDraw( bUserDraw );
1359 }
1360 
1361 // -----------------------------------------------------------------------
1362 
1363 sal_Bool ComboBox::IsUserDrawEnabled() const
1364 {
1365 	return mpImplLB->GetMainWindow()->IsUserDrawEnabled();
1366 }
1367 
1368 // -----------------------------------------------------------------------
1369 
1370 void ComboBox::DrawEntry( const UserDrawEvent& rEvt, sal_Bool bDrawImage, sal_Bool bDrawText, sal_Bool bDrawTextAtImagePos )
1371 {
1372 	DBG_ASSERT( rEvt.GetDevice() == mpImplLB->GetMainWindow(), "DrawEntry?!" );
1373 	mpImplLB->GetMainWindow()->DrawEntry( rEvt.GetItemId(), bDrawImage, bDrawText, bDrawTextAtImagePos );
1374 }
1375 
1376 // -----------------------------------------------------------------------
1377 
1378 void ComboBox::SetSeparatorPos( sal_uInt16 n )
1379 {
1380 	mpImplLB->SetSeparatorPos( n );
1381 }
1382 
1383 // -----------------------------------------------------------------------
1384 
1385 void ComboBox::SetSeparatorPos()
1386 {
1387 	mpImplLB->SetSeparatorPos( LISTBOX_ENTRY_NOTFOUND );
1388 }
1389 
1390 // -----------------------------------------------------------------------
1391 
1392 sal_uInt16 ComboBox::GetSeparatorPos() const
1393 {
1394 	return mpImplLB->GetSeparatorPos();
1395 }
1396 
1397 // -----------------------------------------------------------------------
1398 
1399 void ComboBox::SetMRUEntries( const XubString& rEntries, xub_Unicode cSep )
1400 {
1401 	mpImplLB->SetMRUEntries( rEntries, cSep );
1402 }
1403 
1404 // -----------------------------------------------------------------------
1405 
1406 XubString ComboBox::GetMRUEntries( xub_Unicode cSep ) const
1407 {
1408 	return mpImplLB->GetMRUEntries( cSep );
1409 }
1410 
1411 // -----------------------------------------------------------------------
1412 
1413 void ComboBox::SetMaxMRUCount( sal_uInt16 n )
1414 {
1415 	mpImplLB->SetMaxMRUCount( n );
1416 }
1417 
1418 // -----------------------------------------------------------------------
1419 
1420 sal_uInt16 ComboBox::GetMaxMRUCount() const
1421 {
1422 	return mpImplLB->GetMaxMRUCount();
1423 }
1424 
1425 //IAccessibility2 Implementation 2009-----
1426 sal_uInt16 ComboBox::GetMRUCount() const
1427 {
1428 	return mpImplLB->GetEntryList()->GetMRUCount();
1429 }
1430 //-----IAccessibility2 Implementation 2009
1431 // -----------------------------------------------------------------------
1432 
1433 sal_uInt16 ComboBox::GetDisplayLineCount() const
1434 {
1435     return mpImplLB->GetDisplayLineCount();
1436 }
1437 
1438 // -----------------------------------------------------------------------
1439 
1440 void ComboBox::SetEntryData( sal_uInt16 nPos, void* pNewData )
1441 {
1442 	mpImplLB->SetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount(), pNewData );
1443 }
1444 
1445 // -----------------------------------------------------------------------
1446 
1447 void* ComboBox::GetEntryData( sal_uInt16 nPos ) const
1448 {
1449 	return mpImplLB->GetEntryList()->GetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1450 }
1451 
1452 // -----------------------------------------------------------------------
1453 
1454 void ComboBox::SetTopEntry( sal_uInt16 nPos )
1455 {
1456 	mpImplLB->SetTopEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1457 }
1458 
1459 // -----------------------------------------------------------------------
1460 
1461 void ComboBox::ShowProminentEntry( sal_uInt16 nPos )
1462 {
1463 	mpImplLB->ShowProminentEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1464 }
1465 
1466 // -----------------------------------------------------------------------
1467 
1468 sal_uInt16 ComboBox::GetTopEntry() const
1469 {
1470 	sal_uInt16 nPos = GetEntryCount() ? mpImplLB->GetTopEntry() : LISTBOX_ENTRY_NOTFOUND;
1471 	if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
1472 		nPos = 0;
1473 	return nPos;
1474 }
1475 
1476 // -----------------------------------------------------------------------
1477 
1478 void ComboBox::SetProminentEntryType( ProminentEntry eType )
1479 {
1480     mpImplLB->SetProminentEntryType( eType );
1481 }
1482 
1483 // -----------------------------------------------------------------------
1484 
1485 ProminentEntry ComboBox::GetProminentEntryType() const
1486 {
1487     return mpImplLB->GetProminentEntryType();
1488 }
1489 
1490 // -----------------------------------------------------------------------
1491 
1492 Rectangle ComboBox::GetDropDownPosSizePixel() const
1493 {
1494     return mpFloatWin ? mpFloatWin->GetWindowExtentsRelative( const_cast<ComboBox*>(this) ) : Rectangle();
1495 }
1496 
1497 // -----------------------------------------------------------------------
1498 
1499 Rectangle ComboBox::GetListPosSizePixel() const
1500 {
1501     return mpFloatWin ? Rectangle() : mpImplLB->GetMainWindow()->GetWindowExtentsRelative( const_cast<ComboBox*>(this) );
1502 }
1503 
1504 // -----------------------------------------------------------------------
1505 
1506 const Wallpaper& ComboBox::GetDisplayBackground() const
1507 {
1508     if( ! mpSubEdit->IsBackground() )
1509         return Control::GetDisplayBackground();
1510 
1511     const Wallpaper& rBack = mpSubEdit->GetBackground();
1512     if( ! rBack.IsBitmap() &&
1513         ! rBack.IsGradient() &&
1514         rBack.GetColor().GetColor() == COL_TRANSPARENT
1515         )
1516         return Control::GetDisplayBackground();
1517     return rBack;
1518 }
1519 // -----------------------------------------------------------------------------
1520 sal_uInt16 ComboBox::GetSelectEntryCount() const
1521 {
1522 	return mpImplLB->GetEntryList()->GetSelectEntryCount();
1523 }
1524 // -----------------------------------------------------------------------------
1525 sal_uInt16 ComboBox::GetSelectEntryPos( sal_uInt16 nIndex ) const
1526 {
1527 	sal_uInt16 nPos = mpImplLB->GetEntryList()->GetSelectEntryPos( nIndex );
1528 	if ( nPos != LISTBOX_ENTRY_NOTFOUND )
1529 	{
1530 		if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
1531 			nPos = mpImplLB->GetEntryList()->FindEntry( mpImplLB->GetEntryList()->GetEntryText( nPos ) );
1532 		nPos = sal::static_int_cast<sal_uInt16>(nPos - mpImplLB->GetEntryList()->GetMRUCount());
1533 	}
1534 	return nPos;
1535 }
1536 // -----------------------------------------------------------------------------
1537 sal_Bool ComboBox::IsEntryPosSelected( sal_uInt16 nPos ) const
1538 {
1539 	return mpImplLB->GetEntryList()->IsEntryPosSelected( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
1540 }
1541 // -----------------------------------------------------------------------------
1542 void ComboBox::SelectEntryPos( sal_uInt16 nPos, sal_Bool bSelect)
1543 {
1544 	if ( nPos < mpImplLB->GetEntryList()->GetEntryCount() )
1545 		mpImplLB->SelectEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), bSelect );
1546 }
1547 // -----------------------------------------------------------------------------
1548 void ComboBox::SetNoSelection()
1549 {
1550 	mpImplLB->SetNoSelection();
1551 	mpSubEdit->SetText( String() );
1552 }
1553 // -----------------------------------------------------------------------------
1554 Rectangle ComboBox::GetBoundingRectangle( sal_uInt16 nItem ) const
1555 {
1556     Rectangle aRect = mpImplLB->GetMainWindow()->GetBoundingRectangle( nItem );
1557     Rectangle aOffset = mpImplLB->GetMainWindow()->GetWindowExtentsRelative( (Window*)this );
1558     aRect.Move( aOffset.TopLeft().X(), aOffset.TopLeft().Y() );
1559     return aRect;
1560 }
1561 // -----------------------------------------------------------------------------
1562 
1563 void ComboBox::SetBorderStyle( sal_uInt16 nBorderStyle )
1564 {
1565 	Window::SetBorderStyle( nBorderStyle );
1566 	if ( !IsDropDownBox() )
1567 	{
1568 		mpSubEdit->SetBorderStyle( nBorderStyle );
1569 		mpImplLB->SetBorderStyle( nBorderStyle );
1570 	}
1571 }
1572 // -----------------------------------------------------------------------------
1573 
1574 long ComboBox::GetIndexForPoint( const Point& rPoint, sal_uInt16& rPos ) const
1575 {
1576     if( !HasLayoutData() )
1577         FillLayoutData();
1578 
1579     // check whether rPoint fits at all
1580     long nIndex = Control::GetIndexForPoint( rPoint );
1581     if( nIndex != -1 )
1582     {
1583         // point must be either in main list window
1584         // or in impl window (dropdown case)
1585         ImplListBoxWindow* pMain = mpImplLB->GetMainWindow();
1586 
1587         // convert coordinates to ImplListBoxWindow pixel coordinate space
1588         Point aConvPoint = LogicToPixel( rPoint );
1589         aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint );
1590         aConvPoint = pMain->AbsoluteScreenToOutputPixel( aConvPoint );
1591         aConvPoint = pMain->PixelToLogic( aConvPoint );
1592 
1593         // try to find entry
1594         sal_uInt16 nEntry = pMain->GetEntryPosForPoint( aConvPoint );
1595         if( nEntry == LISTBOX_ENTRY_NOTFOUND )
1596             nIndex = -1;
1597         else
1598             rPos = nEntry;
1599     }
1600 
1601     // get line relative index
1602     if( nIndex != -1 )
1603         nIndex = ToRelativeLineIndex( nIndex );
1604 
1605     return nIndex;
1606 }
1607