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1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |||
2 | /* | |||
3 | * This file is part of the LibreOffice project. | |||
4 | * | |||
5 | * This Source Code Form is subject to the terms of the Mozilla Public | |||
6 | * License, v. 2.0. If a copy of the MPL was not distributed with this | |||
7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |||
8 | * | |||
9 | * This file incorporates work covered by the following license notice: | |||
10 | * | |||
11 | * Licensed to the Apache Software Foundation (ASF) under one or more | |||
12 | * contributor license agreements. See the NOTICE file distributed | |||
13 | * with this work for additional information regarding copyright | |||
14 | * ownership. The ASF licenses this file to you under the Apache | |||
15 | * License, Version 2.0 (the "License"); you may not use this file | |||
16 | * except in compliance with the License. You may obtain a copy of | |||
17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . | |||
18 | */ | |||
19 | ||||
20 | #include <vcl/toolkit/combobox.hxx> | |||
21 | ||||
22 | #include <set> | |||
23 | ||||
24 | #include <comphelper/string.hxx> | |||
25 | #include <vcl/toolkit/lstbox.hxx> | |||
26 | #include <vcl/commandevent.hxx> | |||
27 | #include <vcl/event.hxx> | |||
28 | #include <vcl/settings.hxx> | |||
29 | #include <vcl/uitest/uiobject.hxx> | |||
30 | #include <sal/log.hxx> | |||
31 | ||||
32 | #include <listbox.hxx> | |||
33 | #include <controldata.hxx> | |||
34 | #include <comphelper/lok.hxx> | |||
35 | #include <tools/json_writer.hxx> | |||
36 | ||||
37 | namespace { | |||
38 | ||||
39 | struct ComboBoxBounds | |||
40 | { | |||
41 | Point aSubEditPos; | |||
42 | Size aSubEditSize; | |||
43 | ||||
44 | Point aButtonPos; | |||
45 | Size aButtonSize; | |||
46 | }; | |||
47 | ||||
48 | } | |||
49 | ||||
50 | struct ComboBox::Impl | |||
51 | { | |||
52 | ComboBox & m_rThis; | |||
53 | VclPtr<Edit> m_pSubEdit; | |||
54 | VclPtr<ImplListBox> m_pImplLB; | |||
55 | VclPtr<ImplBtn> m_pBtn; | |||
56 | VclPtr<ImplListBoxFloatingWindow> m_pFloatWin; | |||
57 | sal_uInt16 m_nDDHeight; | |||
58 | sal_Unicode m_cMultiSep; | |||
59 | bool m_isDDAutoSize : 1; | |||
60 | bool m_isSyntheticModify : 1; | |||
61 | bool m_isKeyBoardModify : 1; | |||
62 | bool m_isMatchCase : 1; | |||
63 | sal_Int32 m_nMaxWidthChars; | |||
64 | sal_Int32 m_nWidthInChars; | |||
65 | Link<ComboBox&,void> m_SelectHdl; | |||
66 | ||||
67 | explicit Impl(ComboBox & rThis) | |||
68 | : m_rThis(rThis) | |||
69 | , m_nDDHeight(0) | |||
70 | , m_cMultiSep(0) | |||
71 | , m_isDDAutoSize(false) | |||
72 | , m_isSyntheticModify(false) | |||
73 | , m_isKeyBoardModify(false) | |||
74 | , m_isMatchCase(false) | |||
75 | , m_nMaxWidthChars(0) | |||
76 | , m_nWidthInChars(-1) | |||
77 | { | |||
78 | } | |||
79 | ||||
80 | void ImplInitComboBoxData(); | |||
81 | void ImplUpdateFloatSelection(); | |||
82 | ComboBoxBounds calcComboBoxDropDownComponentBounds( | |||
83 | const Size &rOutSize, const Size &rBorderOutSize) const; | |||
84 | ||||
85 | DECL_LINK( ImplSelectHdl, LinkParamNone*, void )static void LinkStubImplSelectHdl(void *, LinkParamNone*); void ImplSelectHdl(LinkParamNone*); | |||
86 | DECL_LINK( ImplCancelHdl, LinkParamNone*, void )static void LinkStubImplCancelHdl(void *, LinkParamNone*); void ImplCancelHdl(LinkParamNone*); | |||
87 | DECL_LINK( ImplDoubleClickHdl, ImplListBoxWindow*, void )static void LinkStubImplDoubleClickHdl(void *, ImplListBoxWindow *); void ImplDoubleClickHdl(ImplListBoxWindow*); | |||
88 | DECL_LINK( ImplClickBtnHdl, void*, void )static void LinkStubImplClickBtnHdl(void *, void*); void ImplClickBtnHdl (void*); | |||
89 | DECL_LINK( ImplPopupModeEndHdl, FloatingWindow*, void )static void LinkStubImplPopupModeEndHdl(void *, FloatingWindow *); void ImplPopupModeEndHdl(FloatingWindow*); | |||
90 | DECL_LINK( ImplSelectionChangedHdl, sal_Int32, void )static void LinkStubImplSelectionChangedHdl(void *, sal_Int32 ); void ImplSelectionChangedHdl(sal_Int32); | |||
91 | DECL_LINK( ImplAutocompleteHdl, Edit&, void )static void LinkStubImplAutocompleteHdl(void *, Edit&); void ImplAutocompleteHdl(Edit&); | |||
92 | DECL_LINK( ImplListItemSelectHdl , LinkParamNone*, void )static void LinkStubImplListItemSelectHdl(void *, LinkParamNone *); void ImplListItemSelectHdl(LinkParamNone*); | |||
93 | }; | |||
94 | ||||
95 | ||||
96 | static void lcl_GetSelectedEntries( ::std::set< sal_Int32 >& rSelectedPos, const OUString& rText, sal_Unicode cTokenSep, const ImplEntryList* pEntryList ) | |||
97 | { | |||
98 | if (rText.isEmpty()) | |||
99 | return; | |||
100 | ||||
101 | sal_Int32 nIdx{0}; | |||
102 | do { | |||
103 | const sal_Int32 nPos = pEntryList->FindEntry(comphelper::string::strip(rText.getToken(0, cTokenSep, nIdx), ' ')); | |||
104 | if ( nPos != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
105 | rSelectedPos.insert( nPos ); | |||
106 | } while (nIdx>=0); | |||
107 | } | |||
108 | ||||
109 | ComboBox::ComboBox(vcl::Window *const pParent, WinBits const nStyle) | |||
110 | : Edit( WindowType::COMBOBOX ) | |||
111 | , m_pImpl(new Impl(*this)) | |||
112 | { | |||
113 | m_pImpl->ImplInitComboBoxData(); | |||
114 | ImplInit( pParent, nStyle ); | |||
115 | SetWidthInChars(-1); | |||
116 | } | |||
117 | ||||
118 | ComboBox::~ComboBox() | |||
119 | { | |||
120 | disposeOnce(); | |||
121 | } | |||
122 | ||||
123 | void ComboBox::dispose() | |||
124 | { | |||
125 | m_pImpl->m_pSubEdit.disposeAndClear(); | |||
126 | ||||
127 | VclPtr< ImplListBox > pImplLB = m_pImpl->m_pImplLB; | |||
| ||||
128 | m_pImpl->m_pImplLB.clear(); | |||
129 | pImplLB.disposeAndClear(); | |||
130 | ||||
131 | m_pImpl->m_pFloatWin.disposeAndClear(); | |||
132 | m_pImpl->m_pBtn.disposeAndClear(); | |||
133 | Edit::dispose(); | |||
134 | } | |||
135 | ||||
136 | void ComboBox::Impl::ImplInitComboBoxData() | |||
137 | { | |||
138 | m_pSubEdit.disposeAndClear(); | |||
139 | m_pBtn = nullptr; | |||
140 | m_pImplLB = nullptr; | |||
141 | m_pFloatWin = nullptr; | |||
142 | ||||
143 | m_nDDHeight = 0; | |||
144 | m_isDDAutoSize = true; | |||
145 | m_isSyntheticModify = false; | |||
146 | m_isKeyBoardModify = false; | |||
147 | m_isMatchCase = false; | |||
148 | m_cMultiSep = ';'; | |||
149 | m_nMaxWidthChars = -1; | |||
150 | m_nWidthInChars = -1; | |||
151 | } | |||
152 | ||||
153 | void ComboBox::ImplCalcEditHeight() | |||
154 | { | |||
155 | sal_Int32 nLeft, nTop, nRight, nBottom; | |||
156 | GetBorder( nLeft, nTop, nRight, nBottom ); | |||
157 | m_pImpl->m_nDDHeight = static_cast<sal_uInt16>(m_pImpl->m_pSubEdit->GetTextHeight() + nTop + nBottom + 4); | |||
158 | if ( !IsDropDownBox() ) | |||
159 | m_pImpl->m_nDDHeight += 4; | |||
160 | ||||
161 | tools::Rectangle aCtrlRegion( Point( 0, 0 ), Size( 10, 10 ) ); | |||
162 | tools::Rectangle aBoundRegion, aContentRegion; | |||
163 | ImplControlValue aControlValue; | |||
164 | ControlType aType = IsDropDownBox() ? ControlType::Combobox : ControlType::Editbox; | |||
165 | if( GetNativeControlRegion( aType, ControlPart::Entire, | |||
166 | aCtrlRegion, | |||
167 | ControlState::ENABLED, | |||
168 | aControlValue, | |||
169 | aBoundRegion, aContentRegion ) ) | |||
170 | { | |||
171 | const long nNCHeight = aBoundRegion.GetHeight(); | |||
172 | if (m_pImpl->m_nDDHeight < nNCHeight) | |||
173 | m_pImpl->m_nDDHeight = sal::static_int_cast<sal_uInt16>(nNCHeight); | |||
174 | } | |||
175 | } | |||
176 | ||||
177 | void ComboBox::ImplInit( vcl::Window* pParent, WinBits nStyle ) | |||
178 | { | |||
179 | bool bNoBorder = ( nStyle & WB_NOBORDER ) != 0; | |||
180 | if ( !(nStyle & WB_DROPDOWN) ) | |||
181 | { | |||
182 | nStyle &= ~WB_BORDER; | |||
183 | nStyle |= WB_NOBORDER; | |||
184 | } | |||
185 | else | |||
186 | { | |||
187 | if ( !bNoBorder ) | |||
188 | nStyle |= WB_BORDER; | |||
189 | } | |||
190 | ||||
191 | Edit::ImplInit( pParent, nStyle ); | |||
192 | SetBackground(); | |||
193 | ||||
194 | // DropDown ? | |||
195 | WinBits nEditStyle = nStyle & ( WB_LEFT | WB_RIGHT | WB_CENTER ); | |||
196 | WinBits nListStyle = nStyle; | |||
197 | if( nStyle & WB_DROPDOWN ) | |||
198 | { | |||
199 | m_pImpl->m_pFloatWin = VclPtr<ImplListBoxFloatingWindow>::Create( this ); | |||
200 | if (!IsNativeControlSupported(ControlType::Pushbutton, ControlPart::Focus)) | |||
201 | m_pImpl->m_pFloatWin->RequestDoubleBuffering(true); | |||
202 | m_pImpl->m_pFloatWin->SetAutoWidth( true ); | |||
203 | m_pImpl->m_pFloatWin->SetPopupModeEndHdl( LINK(m_pImpl.get(), ComboBox::Impl, ImplPopupModeEndHdl)::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplPopupModeEndHdl ) ); | |||
204 | ||||
205 | m_pImpl->m_pBtn = VclPtr<ImplBtn>::Create( this, WB_NOLIGHTBORDER | WB_RECTSTYLE ); | |||
206 | ImplInitDropDownButton( m_pImpl->m_pBtn ); | |||
207 | m_pImpl->m_pBtn->SetMBDownHdl( LINK( m_pImpl.get(), ComboBox::Impl, ImplClickBtnHdl )::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplClickBtnHdl ) ); | |||
208 | m_pImpl->m_pBtn->Show(); | |||
209 | ||||
210 | nEditStyle |= WB_NOBORDER; | |||
211 | nListStyle &= ~WB_BORDER; | |||
212 | nListStyle |= WB_NOBORDER; | |||
213 | } | |||
214 | else | |||
215 | { | |||
216 | if ( !bNoBorder ) | |||
217 | { | |||
218 | nEditStyle |= WB_BORDER; | |||
219 | nListStyle &= ~WB_NOBORDER; | |||
220 | nListStyle |= WB_BORDER; | |||
221 | } | |||
222 | } | |||
223 | ||||
224 | m_pImpl->m_pSubEdit.set( VclPtr<Edit>::Create( this, nEditStyle ) ); | |||
225 | m_pImpl->m_pSubEdit->EnableRTL( false ); | |||
226 | SetSubEdit( m_pImpl->m_pSubEdit ); | |||
227 | m_pImpl->m_pSubEdit->SetPosPixel( Point() ); | |||
228 | EnableAutocomplete( true ); | |||
229 | m_pImpl->m_pSubEdit->Show(); | |||
230 | ||||
231 | vcl::Window* pLBParent = this; | |||
232 | if (m_pImpl->m_pFloatWin) | |||
233 | pLBParent = m_pImpl->m_pFloatWin; | |||
234 | m_pImpl->m_pImplLB = VclPtr<ImplListBox>::Create( pLBParent, nListStyle|WB_SIMPLEMODE|WB_AUTOHSCROLL ); | |||
235 | m_pImpl->m_pImplLB->SetPosPixel( Point() ); | |||
236 | m_pImpl->m_pImplLB->SetSelectHdl( LINK(m_pImpl.get(), ComboBox::Impl, ImplSelectHdl)::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplSelectHdl ) ); | |||
237 | m_pImpl->m_pImplLB->SetCancelHdl( LINK(m_pImpl.get(), ComboBox::Impl, ImplCancelHdl)::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplCancelHdl ) ); | |||
238 | m_pImpl->m_pImplLB->SetDoubleClickHdl( LINK(m_pImpl.get(), ComboBox::Impl, ImplDoubleClickHdl)::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplDoubleClickHdl ) ); | |||
239 | m_pImpl->m_pImplLB->SetSelectionChangedHdl( LINK(m_pImpl.get(), ComboBox::Impl, ImplSelectionChangedHdl)::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplSelectionChangedHdl ) ); | |||
240 | m_pImpl->m_pImplLB->SetListItemSelectHdl( LINK(m_pImpl.get(), ComboBox::Impl, ImplListItemSelectHdl)::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplListItemSelectHdl ) ); | |||
241 | m_pImpl->m_pImplLB->Show(); | |||
242 | ||||
243 | if (m_pImpl->m_pFloatWin) | |||
244 | m_pImpl->m_pFloatWin->SetImplListBox( m_pImpl->m_pImplLB ); | |||
245 | else | |||
246 | m_pImpl->m_pImplLB->GetMainWindow()->AllowGrabFocus( true ); | |||
247 | ||||
248 | ImplCalcEditHeight(); | |||
249 | ||||
250 | SetCompoundControl( true ); | |||
251 | } | |||
252 | ||||
253 | WinBits ComboBox::ImplInitStyle( WinBits nStyle ) | |||
254 | { | |||
255 | if ( !(nStyle & WB_NOTABSTOP) ) | |||
256 | nStyle |= WB_TABSTOP; | |||
257 | if ( !(nStyle & WB_NOGROUP) ) | |||
258 | nStyle |= WB_GROUP; | |||
259 | return nStyle; | |||
260 | } | |||
261 | ||||
262 | void ComboBox::EnableAutocomplete( bool bEnable, bool bMatchCase ) | |||
263 | { | |||
264 | m_pImpl->m_isMatchCase = bMatchCase; | |||
265 | ||||
266 | if ( bEnable ) | |||
267 | m_pImpl->m_pSubEdit->SetAutocompleteHdl( LINK(m_pImpl.get(), ComboBox::Impl, ImplAutocompleteHdl)::tools::detail::makeLink( ::tools::detail::castTo<ComboBox ::Impl *>(m_pImpl.get()), &ComboBox::Impl::LinkStubImplAutocompleteHdl ) ); | |||
268 | else | |||
269 | m_pImpl->m_pSubEdit->SetAutocompleteHdl( Link<Edit&,void>() ); | |||
270 | } | |||
271 | ||||
272 | bool ComboBox::IsAutocompleteEnabled() const | |||
273 | { | |||
274 | return m_pImpl->m_pSubEdit->GetAutocompleteHdl().IsSet(); | |||
275 | } | |||
276 | ||||
277 | IMPL_LINK_NOARG(ComboBox::Impl, ImplClickBtnHdl, void*, void)void ComboBox::Impl::LinkStubImplClickBtnHdl(void * instance, void* data) { return static_cast<ComboBox::Impl *>(instance )->ImplClickBtnHdl(data); } void ComboBox::Impl::ImplClickBtnHdl (__attribute__ ((unused)) void*) | |||
278 | { | |||
279 | m_rThis.CallEventListeners( VclEventId::DropdownPreOpen ); | |||
280 | m_pSubEdit->GrabFocus(); | |||
281 | if (!m_pImplLB->GetEntryList()->GetMRUCount()) | |||
282 | ImplUpdateFloatSelection(); | |||
283 | else | |||
284 | m_pImplLB->SelectEntry( 0 , true ); | |||
285 | m_pBtn->SetPressed( true ); | |||
286 | m_rThis.SetSelection( Selection( 0, SELECTION_MAX9223372036854775807L ) ); | |||
287 | m_pFloatWin->StartFloat( true ); | |||
288 | m_rThis.CallEventListeners( VclEventId::DropdownOpen ); | |||
289 | ||||
290 | m_rThis.ImplClearLayoutData(); | |||
291 | if (m_pImplLB) | |||
292 | m_pImplLB->GetMainWindow()->ImplClearLayoutData(); | |||
293 | } | |||
294 | ||||
295 | IMPL_LINK_NOARG(ComboBox::Impl, ImplPopupModeEndHdl, FloatingWindow*, void)void ComboBox::Impl::LinkStubImplPopupModeEndHdl(void * instance , FloatingWindow* data) { return static_cast<ComboBox::Impl *>(instance)->ImplPopupModeEndHdl(data); } void ComboBox ::Impl::ImplPopupModeEndHdl(__attribute__ ((unused)) FloatingWindow *) | |||
296 | { | |||
297 | if (m_pFloatWin->IsPopupModeCanceled()) | |||
298 | { | |||
299 | if (!m_pImplLB->GetEntryList()->IsEntryPosSelected( | |||
300 | m_pFloatWin->GetPopupModeStartSaveSelection())) | |||
301 | { | |||
302 | m_pImplLB->SelectEntry(m_pFloatWin->GetPopupModeStartSaveSelection(), true); | |||
303 | bool bTravelSelect = m_pImplLB->IsTravelSelect(); | |||
304 | m_pImplLB->SetTravelSelect( true ); | |||
305 | m_rThis.Select(); | |||
306 | m_pImplLB->SetTravelSelect( bTravelSelect ); | |||
307 | } | |||
308 | } | |||
309 | ||||
310 | m_rThis.ImplClearLayoutData(); | |||
311 | if (m_pImplLB) | |||
312 | m_pImplLB->GetMainWindow()->ImplClearLayoutData(); | |||
313 | ||||
314 | m_pBtn->SetPressed( false ); | |||
315 | m_rThis.CallEventListeners( VclEventId::DropdownClose ); | |||
316 | } | |||
317 | ||||
318 | IMPL_LINK(ComboBox::Impl, ImplAutocompleteHdl, Edit&, rEdit, void)void ComboBox::Impl::LinkStubImplAutocompleteHdl(void * instance , Edit& data) { return static_cast<ComboBox::Impl *> (instance)->ImplAutocompleteHdl(data); } void ComboBox::Impl ::ImplAutocompleteHdl(Edit& rEdit) | |||
319 | { | |||
320 | Selection aSel = rEdit.GetSelection(); | |||
321 | ||||
322 | { | |||
323 | OUString aFullText = rEdit.GetText(); | |||
324 | OUString aStartText = aFullText.copy( 0, static_cast<sal_Int32>(aSel.Max()) ); | |||
325 | sal_Int32 nStart = m_pImplLB->GetCurrentPos(); | |||
326 | ||||
327 | if ( nStart == LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
328 | nStart = 0; | |||
329 | ||||
330 | sal_Int32 nPos = LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)); | |||
331 | if (!m_isMatchCase) | |||
332 | { | |||
333 | // Try match case insensitive from current position | |||
334 | nPos = m_pImplLB->GetEntryList()->FindMatchingEntry(aStartText, nStart, true); | |||
335 | if ( nPos == LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
336 | // Try match case insensitive, but from start | |||
337 | nPos = m_pImplLB->GetEntryList()->FindMatchingEntry(aStartText, 0, true); | |||
338 | } | |||
339 | ||||
340 | if ( nPos == LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
341 | // Try match full from current position | |||
342 | nPos = m_pImplLB->GetEntryList()->FindMatchingEntry(aStartText, nStart, false); | |||
343 | if ( nPos == LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
344 | // Match full, but from start | |||
345 | nPos = m_pImplLB->GetEntryList()->FindMatchingEntry(aStartText, 0, false); | |||
346 | ||||
347 | if ( nPos != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
348 | { | |||
349 | OUString aText = m_pImplLB->GetEntryList()->GetEntryText( nPos ); | |||
350 | Selection aSelection( aText.getLength(), aStartText.getLength() ); | |||
351 | rEdit.SetText( aText, aSelection ); | |||
352 | } | |||
353 | } | |||
354 | } | |||
355 | ||||
356 | IMPL_LINK_NOARG(ComboBox::Impl, ImplSelectHdl, LinkParamNone*, void)void ComboBox::Impl::LinkStubImplSelectHdl(void * instance, LinkParamNone * data) { return static_cast<ComboBox::Impl *>(instance )->ImplSelectHdl(data); } void ComboBox::Impl::ImplSelectHdl (__attribute__ ((unused)) LinkParamNone*) | |||
357 | { | |||
358 | bool bPopup = m_rThis.IsInDropDown(); | |||
359 | bool bCallSelect = false; | |||
360 | if (m_pImplLB->IsSelectionChanged() || bPopup) | |||
361 | { | |||
362 | OUString aText; | |||
363 | if (m_rThis.IsMultiSelectionEnabled()) | |||
364 | { | |||
365 | aText = m_pSubEdit->GetText(); | |||
366 | ||||
367 | // remove all entries to which there is an entry, but which is not selected | |||
368 | sal_Int32 nIndex = 0; | |||
369 | while ( nIndex >= 0 ) | |||
370 | { | |||
371 | sal_Int32 nPrevIndex = nIndex; | |||
372 | OUString aToken = aText.getToken( 0, m_cMultiSep, nIndex ); | |||
373 | sal_Int32 nTokenLen = aToken.getLength(); | |||
374 | aToken = comphelper::string::strip(aToken, ' '); | |||
375 | sal_Int32 nP = m_pImplLB->GetEntryList()->FindEntry( aToken ); | |||
376 | if ((nP != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF))) && (!m_pImplLB->GetEntryList()->IsEntryPosSelected(nP))) | |||
377 | { | |||
378 | aText = aText.replaceAt( nPrevIndex, nTokenLen, "" ); | |||
379 | nIndex = nIndex - nTokenLen; | |||
380 | sal_Int32 nSepCount=0; | |||
381 | if ((nPrevIndex+nSepCount < aText.getLength()) && (aText[nPrevIndex+nSepCount] == m_cMultiSep)) | |||
382 | { | |||
383 | nIndex--; | |||
384 | ++nSepCount; | |||
385 | } | |||
386 | aText = aText.replaceAt( nPrevIndex, nSepCount, "" ); | |||
387 | } | |||
388 | aText = comphelper::string::strip(aText, ' '); | |||
389 | } | |||
390 | ||||
391 | // attach missing entries | |||
392 | ::std::set< sal_Int32 > aSelInText; | |||
393 | lcl_GetSelectedEntries( aSelInText, aText, m_cMultiSep, m_pImplLB->GetEntryList() ); | |||
394 | sal_Int32 nSelectedEntries = m_pImplLB->GetEntryList()->GetSelectedEntryCount(); | |||
395 | for ( sal_Int32 n = 0; n < nSelectedEntries; n++ ) | |||
396 | { | |||
397 | sal_Int32 nP = m_pImplLB->GetEntryList()->GetSelectedEntryPos( n ); | |||
398 | if ( !aSelInText.count( nP ) ) | |||
399 | { | |||
400 | if (!aText.isEmpty() && (aText[aText.getLength()-1] != m_cMultiSep)) | |||
401 | aText += OUStringChar(m_cMultiSep); | |||
402 | if ( !aText.isEmpty() ) | |||
403 | aText += " "; // slightly loosen | |||
404 | aText += m_pImplLB->GetEntryList()->GetEntryText( nP ) + | |||
405 | OUStringChar(m_cMultiSep); | |||
406 | } | |||
407 | } | |||
408 | aText = comphelper::string::stripEnd( aText, m_cMultiSep ); | |||
409 | } | |||
410 | else | |||
411 | { | |||
412 | aText = m_pImplLB->GetEntryList()->GetSelectedEntry( 0 ); | |||
413 | } | |||
414 | ||||
415 | m_pSubEdit->SetText( aText ); | |||
416 | ||||
417 | Selection aNewSelection( 0, aText.getLength() ); | |||
418 | if (m_rThis.IsMultiSelectionEnabled()) | |||
419 | aNewSelection.Min() = aText.getLength(); | |||
420 | m_pSubEdit->SetSelection( aNewSelection ); | |||
421 | ||||
422 | bCallSelect = true; | |||
423 | } | |||
424 | ||||
425 | // #84652# Call GrabFocus and EndPopupMode before calling Select/Modify, but after changing the text | |||
426 | bool bMenuSelect = bPopup && !m_pImplLB->IsTravelSelect() && (!m_rThis.IsMultiSelectionEnabled() || !m_pImplLB->GetSelectModifier()); | |||
427 | if (bMenuSelect) | |||
428 | { | |||
429 | m_pFloatWin->EndPopupMode(); | |||
430 | m_rThis.GrabFocus(); | |||
431 | } | |||
432 | ||||
433 | if ( bCallSelect ) | |||
434 | { | |||
435 | m_isKeyBoardModify = !bMenuSelect; | |||
436 | m_pSubEdit->SetModifyFlag(); | |||
437 | m_isSyntheticModify = true; | |||
438 | m_rThis.Modify(); | |||
439 | m_isSyntheticModify = false; | |||
440 | m_rThis.Select(); | |||
441 | m_isKeyBoardModify = false; | |||
442 | } | |||
443 | } | |||
444 | ||||
445 | bool ComboBox::IsSyntheticModify() const | |||
446 | { | |||
447 | return m_pImpl->m_isSyntheticModify; | |||
448 | } | |||
449 | ||||
450 | bool ComboBox::IsModifyByKeyboard() const | |||
451 | { | |||
452 | return m_pImpl->m_isKeyBoardModify; | |||
453 | } | |||
454 | ||||
455 | IMPL_LINK_NOARG( ComboBox::Impl, ImplListItemSelectHdl, LinkParamNone*, void )void ComboBox::Impl::LinkStubImplListItemSelectHdl(void * instance , LinkParamNone* data) { return static_cast<ComboBox::Impl *>(instance)->ImplListItemSelectHdl(data); } void ComboBox ::Impl::ImplListItemSelectHdl(__attribute__ ((unused)) LinkParamNone *) | |||
456 | { | |||
457 | m_rThis.CallEventListeners( VclEventId::DropdownSelect ); | |||
458 | } | |||
459 | ||||
460 | IMPL_LINK_NOARG(ComboBox::Impl, ImplCancelHdl, LinkParamNone*, void)void ComboBox::Impl::LinkStubImplCancelHdl(void * instance, LinkParamNone * data) { return static_cast<ComboBox::Impl *>(instance )->ImplCancelHdl(data); } void ComboBox::Impl::ImplCancelHdl (__attribute__ ((unused)) LinkParamNone*) | |||
461 | { | |||
462 | if (m_rThis.IsInDropDown()) | |||
463 | m_pFloatWin->EndPopupMode(); | |||
464 | } | |||
465 | ||||
466 | IMPL_LINK( ComboBox::Impl, ImplSelectionChangedHdl, sal_Int32, nChanged, void )void ComboBox::Impl::LinkStubImplSelectionChangedHdl(void * instance , sal_Int32 data) { return static_cast<ComboBox::Impl *> (instance)->ImplSelectionChangedHdl(data); } void ComboBox ::Impl::ImplSelectionChangedHdl(sal_Int32 nChanged) | |||
467 | { | |||
468 | if (!m_pImplLB->IsTrackingSelect()) | |||
469 | { | |||
470 | if (!m_pSubEdit->IsReadOnly() && m_pImplLB->GetEntryList()->IsEntryPosSelected(nChanged)) | |||
471 | m_pSubEdit->SetText(m_pImplLB->GetEntryList()->GetEntryText(nChanged)); | |||
472 | } | |||
473 | } | |||
474 | ||||
475 | IMPL_LINK_NOARG(ComboBox::Impl, ImplDoubleClickHdl, ImplListBoxWindow*, void)void ComboBox::Impl::LinkStubImplDoubleClickHdl(void * instance , ImplListBoxWindow* data) { return static_cast<ComboBox:: Impl *>(instance)->ImplDoubleClickHdl(data); } void ComboBox ::Impl::ImplDoubleClickHdl(__attribute__ ((unused)) ImplListBoxWindow *) | |||
476 | { | |||
477 | m_rThis.DoubleClick(); | |||
478 | } | |||
479 | ||||
480 | void ComboBox::ToggleDropDown() | |||
481 | { | |||
482 | if( !IsDropDownBox() ) | |||
483 | return; | |||
484 | ||||
485 | if (m_pImpl->m_pFloatWin->IsInPopupMode()) | |||
486 | m_pImpl->m_pFloatWin->EndPopupMode(); | |||
487 | else | |||
488 | { | |||
489 | m_pImpl->m_pSubEdit->GrabFocus(); | |||
490 | if (!m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount()) | |||
491 | m_pImpl->ImplUpdateFloatSelection(); | |||
492 | else | |||
493 | m_pImpl->m_pImplLB->SelectEntry( 0 , true ); | |||
494 | CallEventListeners( VclEventId::DropdownPreOpen ); | |||
495 | m_pImpl->m_pBtn->SetPressed( true ); | |||
496 | SetSelection( Selection( 0, SELECTION_MAX9223372036854775807L ) ); | |||
497 | m_pImpl->m_pFloatWin->StartFloat( true ); | |||
498 | CallEventListeners( VclEventId::DropdownOpen ); | |||
499 | } | |||
500 | } | |||
501 | ||||
502 | void ComboBox::Select() | |||
503 | { | |||
504 | ImplCallEventListenersAndHandler( VclEventId::ComboboxSelect, [this] () { m_pImpl->m_SelectHdl.Call(*this); } ); | |||
505 | } | |||
506 | ||||
507 | void ComboBox::DoubleClick() | |||
508 | { | |||
509 | ImplCallEventListenersAndHandler( VclEventId::ComboboxDoubleClick, [] () {} ); | |||
510 | } | |||
511 | ||||
512 | bool ComboBox::IsAutoSizeEnabled() const { return m_pImpl->m_isDDAutoSize; } | |||
513 | ||||
514 | void ComboBox::EnableAutoSize( bool bAuto ) | |||
515 | { | |||
516 | m_pImpl->m_isDDAutoSize = bAuto; | |||
517 | if (m_pImpl->m_pFloatWin) | |||
518 | { | |||
519 | if (bAuto && !m_pImpl->m_pFloatWin->GetDropDownLineCount()) | |||
520 | { | |||
521 | // Adapt to GetListBoxMaximumLineCount here; was on fixed number of five before | |||
522 | AdaptDropDownLineCountToMaximum(); | |||
523 | } | |||
524 | else if ( !bAuto ) | |||
525 | { | |||
526 | m_pImpl->m_pFloatWin->SetDropDownLineCount( 0 ); | |||
527 | } | |||
528 | } | |||
529 | } | |||
530 | ||||
531 | void ComboBox::SetDropDownLineCount( sal_uInt16 nLines ) | |||
532 | { | |||
533 | if (m_pImpl->m_pFloatWin) | |||
534 | m_pImpl->m_pFloatWin->SetDropDownLineCount( nLines ); | |||
535 | } | |||
536 | ||||
537 | void ComboBox::AdaptDropDownLineCountToMaximum() | |||
538 | { | |||
539 | // Adapt to maximum allowed number. | |||
540 | // Limit for LOK as we can't render outside of the dialog canvas. | |||
541 | if (comphelper::LibreOfficeKit::isActive()) | |||
542 | SetDropDownLineCount(11); | |||
543 | else | |||
544 | SetDropDownLineCount(GetSettings().GetStyleSettings().GetListBoxMaximumLineCount()); | |||
545 | } | |||
546 | ||||
547 | sal_uInt16 ComboBox::GetDropDownLineCount() const | |||
548 | { | |||
549 | sal_uInt16 nLines = 0; | |||
550 | if (m_pImpl->m_pFloatWin) | |||
551 | nLines = m_pImpl->m_pFloatWin->GetDropDownLineCount(); | |||
552 | return nLines; | |||
553 | } | |||
554 | ||||
555 | void ComboBox::setPosSizePixel( long nX, long nY, long nWidth, long nHeight, | |||
556 | PosSizeFlags nFlags ) | |||
557 | { | |||
558 | if( IsDropDownBox() && ( nFlags & PosSizeFlags::Size ) ) | |||
559 | { | |||
560 | Size aPrefSz = m_pImpl->m_pFloatWin->GetPrefSize(); | |||
561 | if ((nFlags & PosSizeFlags::Height) && (nHeight >= 2*m_pImpl->m_nDDHeight)) | |||
562 | aPrefSz.setHeight( nHeight-m_pImpl->m_nDDHeight ); | |||
563 | if ( nFlags & PosSizeFlags::Width ) | |||
564 | aPrefSz.setWidth( nWidth ); | |||
565 | m_pImpl->m_pFloatWin->SetPrefSize( aPrefSz ); | |||
566 | ||||
567 | if (IsAutoSizeEnabled()) | |||
568 | nHeight = m_pImpl->m_nDDHeight; | |||
569 | } | |||
570 | ||||
571 | Edit::setPosSizePixel( nX, nY, nWidth, nHeight, nFlags ); | |||
572 | } | |||
573 | ||||
574 | void ComboBox::Resize() | |||
575 | { | |||
576 | Control::Resize(); | |||
577 | ||||
578 | if (m_pImpl->m_pSubEdit) | |||
579 | { | |||
580 | Size aOutSz = GetOutputSizePixel(); | |||
581 | if( IsDropDownBox() ) | |||
582 | { | |||
583 | ComboBoxBounds aBounds(m_pImpl->calcComboBoxDropDownComponentBounds(aOutSz, | |||
584 | GetWindow(GetWindowType::Border)->GetOutputSizePixel())); | |||
585 | m_pImpl->m_pSubEdit->SetPosSizePixel(aBounds.aSubEditPos, aBounds.aSubEditSize); | |||
586 | m_pImpl->m_pBtn->SetPosSizePixel(aBounds.aButtonPos, aBounds.aButtonSize); | |||
587 | } | |||
588 | else | |||
589 | { | |||
590 | m_pImpl->m_pSubEdit->SetSizePixel(Size(aOutSz.Width(), m_pImpl->m_nDDHeight)); | |||
591 | m_pImpl->m_pImplLB->setPosSizePixel(0, m_pImpl->m_nDDHeight, | |||
592 | aOutSz.Width(), aOutSz.Height() - m_pImpl->m_nDDHeight); | |||
593 | if ( !GetText().isEmpty() ) | |||
594 | m_pImpl->ImplUpdateFloatSelection(); | |||
595 | } | |||
596 | } | |||
597 | ||||
598 | // adjust the size of the FloatingWindow even when invisible | |||
599 | // as KEY_PGUP/DOWN is being processed... | |||
600 | if (m_pImpl->m_pFloatWin) | |||
601 | m_pImpl->m_pFloatWin->SetSizePixel(m_pImpl->m_pFloatWin->CalcFloatSize()); | |||
602 | } | |||
603 | ||||
604 | bool ComboBox::IsDropDownBox() const { return m_pImpl->m_pFloatWin != nullptr; } | |||
605 | ||||
606 | void ComboBox::FillLayoutData() const | |||
607 | { | |||
608 | mpControlData->mpLayoutData.reset( new vcl::ControlLayoutData ); | |||
609 | AppendLayoutData( *m_pImpl->m_pSubEdit ); | |||
610 | m_pImpl->m_pSubEdit->SetLayoutDataParent( this ); | |||
611 | ImplListBoxWindow* rMainWindow = m_pImpl->m_pImplLB->GetMainWindow(); | |||
612 | if (m_pImpl->m_pFloatWin) | |||
613 | { | |||
614 | // dropdown mode | |||
615 | if (m_pImpl->m_pFloatWin->IsReallyVisible()) | |||
616 | { | |||
617 | AppendLayoutData( *rMainWindow ); | |||
618 | rMainWindow->SetLayoutDataParent( this ); | |||
619 | } | |||
620 | } | |||
621 | else | |||
622 | { | |||
623 | AppendLayoutData( *rMainWindow ); | |||
624 | rMainWindow->SetLayoutDataParent( this ); | |||
625 | } | |||
626 | } | |||
627 | ||||
628 | void ComboBox::StateChanged( StateChangedType nType ) | |||
629 | { | |||
630 | Edit::StateChanged( nType ); | |||
631 | ||||
632 | if ( nType == StateChangedType::ReadOnly ) | |||
633 | { | |||
634 | m_pImpl->m_pImplLB->SetReadOnly( IsReadOnly() ); | |||
635 | if (m_pImpl->m_pBtn) | |||
636 | m_pImpl->m_pBtn->Enable( IsEnabled() && !IsReadOnly() ); | |||
637 | } | |||
638 | else if ( nType == StateChangedType::Enable ) | |||
639 | { | |||
640 | m_pImpl->m_pSubEdit->Enable( IsEnabled() ); | |||
641 | m_pImpl->m_pImplLB->Enable( IsEnabled() && !IsReadOnly() ); | |||
642 | if (m_pImpl->m_pBtn) | |||
643 | m_pImpl->m_pBtn->Enable( IsEnabled() && !IsReadOnly() ); | |||
644 | Invalidate(); | |||
645 | } | |||
646 | else if( nType == StateChangedType::UpdateMode ) | |||
647 | { | |||
648 | m_pImpl->m_pImplLB->SetUpdateMode( IsUpdateMode() ); | |||
649 | } | |||
650 | else if ( nType == StateChangedType::Zoom ) | |||
651 | { | |||
652 | m_pImpl->m_pImplLB->SetZoom( GetZoom() ); | |||
653 | m_pImpl->m_pSubEdit->SetZoom( GetZoom() ); | |||
654 | ImplCalcEditHeight(); | |||
655 | Resize(); | |||
656 | } | |||
657 | else if ( nType == StateChangedType::ControlFont ) | |||
658 | { | |||
659 | m_pImpl->m_pImplLB->SetControlFont( GetControlFont() ); | |||
660 | m_pImpl->m_pSubEdit->SetControlFont( GetControlFont() ); | |||
661 | ImplCalcEditHeight(); | |||
662 | Resize(); | |||
663 | } | |||
664 | else if ( nType == StateChangedType::ControlForeground ) | |||
665 | { | |||
666 | m_pImpl->m_pImplLB->SetControlForeground( GetControlForeground() ); | |||
667 | m_pImpl->m_pSubEdit->SetControlForeground( GetControlForeground() ); | |||
668 | } | |||
669 | else if ( nType == StateChangedType::ControlBackground ) | |||
670 | { | |||
671 | m_pImpl->m_pImplLB->SetControlBackground( GetControlBackground() ); | |||
672 | m_pImpl->m_pSubEdit->SetControlBackground( GetControlBackground() ); | |||
673 | } | |||
674 | else if ( nType == StateChangedType::Style ) | |||
675 | { | |||
676 | SetStyle( ImplInitStyle( GetStyle() ) ); | |||
677 | m_pImpl->m_pImplLB->GetMainWindow()->EnableSort( ( GetStyle() & WB_SORT ) != 0 ); | |||
678 | } | |||
679 | else if( nType == StateChangedType::Mirroring ) | |||
680 | { | |||
681 | if (m_pImpl->m_pBtn) | |||
682 | { | |||
683 | m_pImpl->m_pBtn->EnableRTL( IsRTLEnabled() ); | |||
684 | ImplInitDropDownButton( m_pImpl->m_pBtn ); | |||
685 | } | |||
686 | m_pImpl->m_pSubEdit->CompatStateChanged( StateChangedType::Mirroring ); | |||
687 | m_pImpl->m_pImplLB->EnableRTL( IsRTLEnabled() ); | |||
688 | Resize(); | |||
689 | } | |||
690 | } | |||
691 | ||||
692 | void ComboBox::DataChanged( const DataChangedEvent& rDCEvt ) | |||
693 | { | |||
694 | Control::DataChanged( rDCEvt ); | |||
695 | ||||
696 | if ( !((rDCEvt.GetType() == DataChangedEventType::FONTS) || | |||
697 | (rDCEvt.GetType() == DataChangedEventType::FONTSUBSTITUTION) || | |||
698 | ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) && | |||
699 | (rDCEvt.GetFlags() & AllSettingsFlags::STYLE))) ) | |||
700 | return; | |||
701 | ||||
702 | if (m_pImpl->m_pBtn) | |||
703 | { | |||
704 | m_pImpl->m_pBtn->SetSettings( GetSettings() ); | |||
705 | ImplInitDropDownButton( m_pImpl->m_pBtn ); | |||
706 | } | |||
707 | Resize(); | |||
708 | m_pImpl->m_pImplLB->Resize(); // not called by ComboBox::Resize() if ImplLB is unchanged | |||
709 | ||||
710 | SetBackground(); // due to a hack in Window::UpdateSettings the background must be reset | |||
711 | // otherwise it will overpaint NWF drawn comboboxes | |||
712 | } | |||
713 | ||||
714 | bool ComboBox::EventNotify( NotifyEvent& rNEvt ) | |||
715 | { | |||
716 | bool bDone = false; | |||
717 | if ((rNEvt.GetType() == MouseNotifyEvent::KEYINPUT) | |||
718 | && (rNEvt.GetWindow() == m_pImpl->m_pSubEdit) | |||
719 | && !IsReadOnly()) | |||
720 | { | |||
721 | KeyEvent aKeyEvt = *rNEvt.GetKeyEvent(); | |||
722 | sal_uInt16 nKeyCode = aKeyEvt.GetKeyCode().GetCode(); | |||
723 | switch( nKeyCode ) | |||
724 | { | |||
725 | case KEY_UP: | |||
726 | case KEY_DOWN: | |||
727 | case KEY_PAGEUP: | |||
728 | case KEY_PAGEDOWN: | |||
729 | { | |||
730 | m_pImpl->ImplUpdateFloatSelection(); | |||
731 | if ((nKeyCode == KEY_DOWN) && m_pImpl->m_pFloatWin | |||
732 | && !m_pImpl->m_pFloatWin->IsInPopupMode() | |||
733 | && aKeyEvt.GetKeyCode().IsMod2()) | |||
734 | { | |||
735 | CallEventListeners( VclEventId::DropdownPreOpen ); | |||
736 | m_pImpl->m_pBtn->SetPressed( true ); | |||
737 | if (m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount()) | |||
738 | m_pImpl->m_pImplLB->SelectEntry( 0 , true ); | |||
739 | SetSelection( Selection( 0, SELECTION_MAX9223372036854775807L ) ); | |||
740 | m_pImpl->m_pFloatWin->StartFloat( false ); | |||
741 | CallEventListeners( VclEventId::DropdownOpen ); | |||
742 | bDone = true; | |||
743 | } | |||
744 | else if ((nKeyCode == KEY_UP) && m_pImpl->m_pFloatWin | |||
745 | && m_pImpl->m_pFloatWin->IsInPopupMode() | |||
746 | && aKeyEvt.GetKeyCode().IsMod2()) | |||
747 | { | |||
748 | m_pImpl->m_pFloatWin->EndPopupMode(); | |||
749 | bDone = true; | |||
750 | } | |||
751 | else | |||
752 | { | |||
753 | bDone = m_pImpl->m_pImplLB->ProcessKeyInput( aKeyEvt ); | |||
754 | } | |||
755 | } | |||
756 | break; | |||
757 | ||||
758 | case KEY_RETURN: | |||
759 | { | |||
760 | if ((rNEvt.GetWindow() == m_pImpl->m_pSubEdit) && IsInDropDown()) | |||
761 | { | |||
762 | m_pImpl->m_pImplLB->ProcessKeyInput( aKeyEvt ); | |||
763 | bDone = true; | |||
764 | } | |||
765 | } | |||
766 | break; | |||
767 | } | |||
768 | } | |||
769 | else if ((rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS) && m_pImpl->m_pFloatWin) | |||
770 | { | |||
771 | if (m_pImpl->m_pFloatWin->HasChildPathFocus()) | |||
772 | m_pImpl->m_pSubEdit->GrabFocus(); | |||
773 | else if (m_pImpl->m_pFloatWin->IsInPopupMode() && !HasChildPathFocus(true)) | |||
774 | m_pImpl->m_pFloatWin->EndPopupMode(); | |||
775 | } | |||
776 | else if( (rNEvt.GetType() == MouseNotifyEvent::COMMAND) && | |||
777 | (rNEvt.GetCommandEvent()->GetCommand() == CommandEventId::Wheel) && | |||
778 | (rNEvt.GetWindow() == m_pImpl->m_pSubEdit) ) | |||
779 | { | |||
780 | MouseWheelBehaviour nWheelBehavior( GetSettings().GetMouseSettings().GetWheelBehavior() ); | |||
781 | if ( ( nWheelBehavior == MouseWheelBehaviour::ALWAYS ) | |||
782 | || ( ( nWheelBehavior == MouseWheelBehaviour::FocusOnly ) | |||
783 | && HasChildPathFocus() | |||
784 | ) | |||
785 | ) | |||
786 | { | |||
787 | bDone = m_pImpl->m_pImplLB->HandleWheelAsCursorTravel(*rNEvt.GetCommandEvent(), *this); | |||
788 | } | |||
789 | else | |||
790 | { | |||
791 | bDone = false; // don't eat this event, let the default handling happen (i.e. scroll the context) | |||
792 | } | |||
793 | } | |||
794 | else if ((rNEvt.GetType() == MouseNotifyEvent::MOUSEBUTTONDOWN) | |||
795 | && (rNEvt.GetWindow() == m_pImpl->m_pImplLB->GetMainWindow())) | |||
796 | { | |||
797 | m_pImpl->m_pSubEdit->GrabFocus(); | |||
798 | } | |||
799 | ||||
800 | return bDone || Edit::EventNotify( rNEvt ); | |||
801 | } | |||
802 | ||||
803 | void ComboBox::SetText( const OUString& rStr ) | |||
804 | { | |||
805 | CallEventListeners( VclEventId::ComboboxSetText ); | |||
806 | ||||
807 | Edit::SetText( rStr ); | |||
808 | m_pImpl->ImplUpdateFloatSelection(); | |||
809 | } | |||
810 | ||||
811 | void ComboBox::SetText( const OUString& rStr, const Selection& rNewSelection ) | |||
812 | { | |||
813 | CallEventListeners( VclEventId::ComboboxSetText ); | |||
814 | ||||
815 | Edit::SetText( rStr, rNewSelection ); | |||
816 | m_pImpl->ImplUpdateFloatSelection(); | |||
817 | } | |||
818 | ||||
819 | void ComboBox::Modify() | |||
820 | { | |||
821 | if (!m_pImpl->m_isSyntheticModify) | |||
822 | m_pImpl->ImplUpdateFloatSelection(); | |||
823 | ||||
824 | Edit::Modify(); | |||
825 | } | |||
826 | ||||
827 | void ComboBox::Impl::ImplUpdateFloatSelection() | |||
828 | { | |||
829 | if (!m_pImplLB || !m_pSubEdit) | |||
830 | return; | |||
831 | ||||
832 | // move text in the ListBox into the visible region | |||
833 | m_pImplLB->SetCallSelectionChangedHdl( false ); | |||
834 | if (!m_rThis.IsMultiSelectionEnabled()) | |||
835 | { | |||
836 | OUString aSearchStr( m_pSubEdit->GetText() ); | |||
837 | sal_Int32 nSelect = LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)); | |||
838 | bool bSelect = true; | |||
839 | ||||
840 | if (m_pImplLB->GetCurrentPos() != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF))) | |||
841 | { | |||
842 | OUString aCurrent = m_pImplLB->GetEntryList()->GetEntryText( | |||
843 | m_pImplLB->GetCurrentPos()); | |||
844 | if ( aCurrent == aSearchStr ) | |||
845 | nSelect = m_pImplLB->GetCurrentPos(); | |||
846 | } | |||
847 | ||||
848 | if ( nSelect == LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
849 | nSelect = m_pImplLB->GetEntryList()->FindEntry( aSearchStr ); | |||
850 | if ( nSelect == LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
851 | { | |||
852 | nSelect = m_pImplLB->GetEntryList()->FindMatchingEntry( aSearchStr, 0, true ); | |||
853 | bSelect = false; | |||
854 | } | |||
855 | ||||
856 | if( nSelect != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
857 | { | |||
858 | if (!m_pImplLB->IsVisible(nSelect)) | |||
859 | m_pImplLB->ShowProminentEntry( nSelect ); | |||
860 | m_pImplLB->SelectEntry( nSelect, bSelect ); | |||
861 | } | |||
862 | else | |||
863 | { | |||
864 | nSelect = m_pImplLB->GetEntryList()->GetSelectedEntryPos( 0 ); | |||
865 | if( nSelect != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
866 | m_pImplLB->SelectEntry( nSelect, false ); | |||
867 | m_pImplLB->ResetCurrentPos(); | |||
868 | } | |||
869 | } | |||
870 | else | |||
871 | { | |||
872 | ::std::set< sal_Int32 > aSelInText; | |||
873 | lcl_GetSelectedEntries(aSelInText, m_pSubEdit->GetText(), m_cMultiSep, m_pImplLB->GetEntryList()); | |||
874 | for (sal_Int32 n = 0; n < m_pImplLB->GetEntryList()->GetEntryCount(); n++) | |||
875 | m_pImplLB->SelectEntry( n, aSelInText.count( n ) != 0 ); | |||
876 | } | |||
877 | m_pImplLB->SetCallSelectionChangedHdl( true ); | |||
878 | } | |||
879 | ||||
880 | sal_Int32 ComboBox::InsertEntry(const OUString& rStr, sal_Int32 const nPos) | |||
881 | { | |||
882 | assert(nPos >= 0 && COMBOBOX_MAX_ENTRIES > m_pImpl->m_pImplLB->GetEntryList()->GetEntryCount())(static_cast <bool> (nPos >= 0 && (((sal_Int32 ) 0x7FFFFFFF) - 1) > m_pImpl->m_pImplLB->GetEntryList ()->GetEntryCount()) ? void (0) : __assert_fail ("nPos >= 0 && COMBOBOX_MAX_ENTRIES > m_pImpl->m_pImplLB->GetEntryList()->GetEntryCount()" , "/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" , 882, __extension__ __PRETTY_FUNCTION__)); | |||
883 | ||||
884 | sal_Int32 nRealPos; | |||
885 | if (nPos == COMBOBOX_APPEND(((sal_Int32) 0x7FFFFFFF))) | |||
886 | nRealPos = nPos; | |||
887 | else | |||
888 | { | |||
889 | const sal_Int32 nMRUCount = m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
890 | assert(nPos <= COMBOBOX_MAX_ENTRIES - nMRUCount)(static_cast <bool> (nPos <= (((sal_Int32) 0x7FFFFFFF ) - 1) - nMRUCount) ? void (0) : __assert_fail ("nPos <= COMBOBOX_MAX_ENTRIES - nMRUCount" , "/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" , 890, __extension__ __PRETTY_FUNCTION__)); | |||
891 | nRealPos = nPos + nMRUCount; | |||
892 | } | |||
893 | ||||
894 | nRealPos = m_pImpl->m_pImplLB->InsertEntry( nRealPos, rStr ); | |||
895 | nRealPos -= m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
896 | CallEventListeners( VclEventId::ComboboxItemAdded, reinterpret_cast<void*>(nRealPos) ); | |||
897 | return nRealPos; | |||
898 | } | |||
899 | ||||
900 | sal_Int32 ComboBox::InsertEntryWithImage( | |||
901 | const OUString& rStr, const Image& rImage, sal_Int32 const nPos) | |||
902 | { | |||
903 | assert(nPos >= 0 && COMBOBOX_MAX_ENTRIES > m_pImpl->m_pImplLB->GetEntryList()->GetEntryCount())(static_cast <bool> (nPos >= 0 && (((sal_Int32 ) 0x7FFFFFFF) - 1) > m_pImpl->m_pImplLB->GetEntryList ()->GetEntryCount()) ? void (0) : __assert_fail ("nPos >= 0 && COMBOBOX_MAX_ENTRIES > m_pImpl->m_pImplLB->GetEntryList()->GetEntryCount()" , "/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" , 903, __extension__ __PRETTY_FUNCTION__)); | |||
904 | ||||
905 | sal_Int32 nRealPos; | |||
906 | if (nPos == COMBOBOX_APPEND(((sal_Int32) 0x7FFFFFFF))) | |||
907 | nRealPos = nPos; | |||
908 | else | |||
909 | { | |||
910 | const sal_Int32 nMRUCount = m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
911 | assert(nPos <= COMBOBOX_MAX_ENTRIES - nMRUCount)(static_cast <bool> (nPos <= (((sal_Int32) 0x7FFFFFFF ) - 1) - nMRUCount) ? void (0) : __assert_fail ("nPos <= COMBOBOX_MAX_ENTRIES - nMRUCount" , "/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" , 911, __extension__ __PRETTY_FUNCTION__)); | |||
912 | nRealPos = nPos + nMRUCount; | |||
913 | } | |||
914 | ||||
915 | nRealPos = m_pImpl->m_pImplLB->InsertEntry( nRealPos, rStr, rImage ); | |||
916 | nRealPos -= m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
917 | CallEventListeners( VclEventId::ComboboxItemAdded, reinterpret_cast<void*>(nRealPos) ); | |||
918 | return nRealPos; | |||
919 | } | |||
920 | ||||
921 | void ComboBox::RemoveEntryAt(sal_Int32 const nPos) | |||
922 | { | |||
923 | const sal_Int32 nMRUCount = m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
924 | assert(nPos >= 0 && nPos <= COMBOBOX_MAX_ENTRIES - nMRUCount)(static_cast <bool> (nPos >= 0 && nPos <= (((sal_Int32) 0x7FFFFFFF) - 1) - nMRUCount) ? void (0) : __assert_fail ("nPos >= 0 && nPos <= COMBOBOX_MAX_ENTRIES - nMRUCount" , "/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" , 924, __extension__ __PRETTY_FUNCTION__)); | |||
925 | m_pImpl->m_pImplLB->RemoveEntry( nPos + nMRUCount ); | |||
926 | CallEventListeners( VclEventId::ComboboxItemRemoved, reinterpret_cast<void*>(nPos) ); | |||
927 | } | |||
928 | ||||
929 | void ComboBox::Clear() | |||
930 | { | |||
931 | if (!m_pImpl->m_pImplLB) | |||
932 | return; | |||
933 | m_pImpl->m_pImplLB->Clear(); | |||
934 | CallEventListeners( VclEventId::ComboboxItemRemoved, reinterpret_cast<void*>(-1) ); | |||
935 | } | |||
936 | ||||
937 | Image ComboBox::GetEntryImage( sal_Int32 nPos ) const | |||
938 | { | |||
939 | if (m_pImpl->m_pImplLB->GetEntryList()->HasEntryImage(nPos)) | |||
940 | return m_pImpl->m_pImplLB->GetEntryList()->GetEntryImage( nPos ); | |||
941 | return Image(); | |||
942 | } | |||
943 | ||||
944 | sal_Int32 ComboBox::GetEntryPos( const OUString& rStr ) const | |||
945 | { | |||
946 | sal_Int32 nPos = m_pImpl->m_pImplLB->GetEntryList()->FindEntry( rStr ); | |||
947 | if ( nPos != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
948 | nPos -= m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
949 | return nPos; | |||
950 | } | |||
951 | ||||
952 | OUString ComboBox::GetEntry( sal_Int32 nPos ) const | |||
953 | { | |||
954 | const sal_Int32 nMRUCount = m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
955 | if (nPos < 0 || nPos > COMBOBOX_MAX_ENTRIES(((sal_Int32) 0x7FFFFFFF) - 1) - nMRUCount) | |||
956 | return OUString(); | |||
957 | ||||
958 | return m_pImpl->m_pImplLB->GetEntryList()->GetEntryText( nPos + nMRUCount ); | |||
959 | } | |||
960 | ||||
961 | sal_Int32 ComboBox::GetEntryCount() const | |||
962 | { | |||
963 | if (!m_pImpl->m_pImplLB) | |||
964 | return 0; | |||
965 | return m_pImpl->m_pImplLB->GetEntryList()->GetEntryCount() - m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(); | |||
966 | } | |||
967 | ||||
968 | bool ComboBox::IsTravelSelect() const | |||
969 | { | |||
970 | return m_pImpl->m_pImplLB->IsTravelSelect(); | |||
971 | } | |||
972 | ||||
973 | bool ComboBox::IsInDropDown() const | |||
974 | { | |||
975 | // when the dropdown is dismissed, first mbInPopupMode is set to false, and on the next event iteration then | |||
976 | // mbPopupMode is set to false | |||
977 | return m_pImpl->m_pFloatWin && m_pImpl->m_pFloatWin->IsInPopupMode() && m_pImpl->m_pFloatWin->ImplIsInPrivatePopupMode(); | |||
978 | } | |||
979 | ||||
980 | bool ComboBox::IsMultiSelectionEnabled() const | |||
981 | { | |||
982 | return m_pImpl->m_pImplLB->IsMultiSelectionEnabled(); | |||
983 | } | |||
984 | ||||
985 | void ComboBox::SetSelectHdl(const Link<ComboBox&,void>& rLink) { m_pImpl->m_SelectHdl = rLink; } | |||
986 | ||||
987 | void ComboBox::SetEntryActivateHdl(const Link<Edit&,bool>& rLink) | |||
988 | { | |||
989 | if (!m_pImpl->m_pSubEdit) | |||
990 | return; | |||
991 | m_pImpl->m_pSubEdit->SetActivateHdl(rLink); | |||
992 | } | |||
993 | ||||
994 | Size ComboBox::GetOptimalSize() const | |||
995 | { | |||
996 | return CalcMinimumSize(); | |||
997 | } | |||
998 | ||||
999 | long ComboBox::getMaxWidthScrollBarAndDownButton() const | |||
1000 | { | |||
1001 | long nButtonDownWidth = 0; | |||
1002 | ||||
1003 | vcl::Window *pBorder = GetWindow( GetWindowType::Border ); | |||
1004 | ImplControlValue aControlValue; | |||
1005 | tools::Rectangle aContent, aBound; | |||
1006 | ||||
1007 | // use the full extent of the control | |||
1008 | tools::Rectangle aArea( Point(), pBorder->GetOutputSizePixel() ); | |||
1009 | ||||
1010 | if ( GetNativeControlRegion(ControlType::Combobox, ControlPart::ButtonDown, | |||
1011 | aArea, ControlState::NONE, aControlValue, aBound, aContent) ) | |||
1012 | { | |||
1013 | nButtonDownWidth = aContent.getWidth(); | |||
1014 | } | |||
1015 | ||||
1016 | long nScrollBarWidth = GetSettings().GetStyleSettings().GetScrollBarSize(); | |||
1017 | ||||
1018 | return std::max(nScrollBarWidth, nButtonDownWidth); | |||
1019 | } | |||
1020 | ||||
1021 | Size ComboBox::CalcMinimumSize() const | |||
1022 | { | |||
1023 | Size aSz; | |||
1024 | ||||
1025 | if (!m_pImpl->m_pImplLB) | |||
1026 | return aSz; | |||
1027 | ||||
1028 | if (!IsDropDownBox()) | |||
1029 | { | |||
1030 | aSz = m_pImpl->m_pImplLB->CalcSize( m_pImpl->m_pImplLB->GetEntryList()->GetEntryCount() ); | |||
1031 | aSz.AdjustHeight(m_pImpl->m_nDDHeight ); | |||
1032 | } | |||
1033 | else | |||
1034 | { | |||
1035 | aSz.setHeight( Edit::CalcMinimumSizeForText(GetText()).Height() ); | |||
1036 | ||||
1037 | if (m_pImpl->m_nWidthInChars!= -1) | |||
1038 | aSz.setWidth(m_pImpl->m_nWidthInChars * approximate_digit_width()); | |||
1039 | else | |||
1040 | aSz.setWidth(m_pImpl->m_pImplLB->GetMaxEntryWidth()); | |||
1041 | } | |||
1042 | ||||
1043 | if (m_pImpl->m_nMaxWidthChars != -1) | |||
1044 | { | |||
1045 | long nMaxWidth = m_pImpl->m_nMaxWidthChars * approximate_char_width(); | |||
1046 | aSz.setWidth( std::min(aSz.Width(), nMaxWidth) ); | |||
1047 | } | |||
1048 | ||||
1049 | if (IsDropDownBox()) | |||
1050 | aSz.AdjustWidth(getMaxWidthScrollBarAndDownButton() ); | |||
1051 | ||||
1052 | ComboBoxBounds aBounds(m_pImpl->calcComboBoxDropDownComponentBounds( | |||
1053 | Size(0xFFFF, 0xFFFF), Size(0xFFFF, 0xFFFF))); | |||
1054 | aSz.AdjustWidth(aBounds.aSubEditPos.X()*2 ); | |||
1055 | ||||
1056 | aSz.AdjustWidth(ImplGetExtraXOffset() * 2 ); | |||
1057 | ||||
1058 | aSz = CalcWindowSize( aSz ); | |||
1059 | return aSz; | |||
1060 | } | |||
1061 | ||||
1062 | Size ComboBox::CalcAdjustedSize( const Size& rPrefSize ) const | |||
1063 | { | |||
1064 | Size aSz = rPrefSize; | |||
1065 | sal_Int32 nLeft, nTop, nRight, nBottom; | |||
1066 | static_cast<vcl::Window*>(const_cast<ComboBox *>(this))->GetBorder( nLeft, nTop, nRight, nBottom ); | |||
1067 | aSz.AdjustHeight( -(nTop+nBottom) ); | |||
1068 | if ( !IsDropDownBox() ) | |||
1069 | { | |||
1070 | long nEntryHeight = CalcBlockSize( 1, 1 ).Height(); | |||
1071 | long nLines = aSz.Height() / nEntryHeight; | |||
1072 | if ( nLines < 1 ) | |||
1073 | nLines = 1; | |||
1074 | aSz.setHeight( nLines * nEntryHeight ); | |||
1075 | aSz.AdjustHeight(m_pImpl->m_nDDHeight ); | |||
1076 | } | |||
1077 | else | |||
1078 | { | |||
1079 | aSz.setHeight( m_pImpl->m_nDDHeight ); | |||
1080 | } | |||
1081 | aSz.AdjustHeight(nTop+nBottom ); | |||
1082 | ||||
1083 | aSz = CalcWindowSize( aSz ); | |||
1084 | return aSz; | |||
1085 | } | |||
1086 | ||||
1087 | Size ComboBox::CalcBlockSize( sal_uInt16 nColumns, sal_uInt16 nLines ) const | |||
1088 | { | |||
1089 | // show ScrollBars where appropriate | |||
1090 | Size aMinSz = CalcMinimumSize(); | |||
1091 | Size aSz; | |||
1092 | ||||
1093 | // height | |||
1094 | if ( nLines ) | |||
1095 | { | |||
1096 | if ( !IsDropDownBox() ) | |||
1097 | aSz.setHeight( m_pImpl->m_pImplLB->CalcSize( nLines ).Height() + m_pImpl->m_nDDHeight ); | |||
1098 | else | |||
1099 | aSz.setHeight( m_pImpl->m_nDDHeight ); | |||
1100 | } | |||
1101 | else | |||
1102 | aSz.setHeight( aMinSz.Height() ); | |||
1103 | ||||
1104 | // width | |||
1105 | if ( nColumns ) | |||
1106 | aSz.setWidth( nColumns * approximate_char_width() ); | |||
1107 | else | |||
1108 | aSz.setWidth( aMinSz.Width() ); | |||
1109 | ||||
1110 | if ( IsDropDownBox() ) | |||
1111 | aSz.AdjustWidth(getMaxWidthScrollBarAndDownButton() ); | |||
1112 | ||||
1113 | if ( !IsDropDownBox() ) | |||
1114 | { | |||
1115 | if ( aSz.Width() < aMinSz.Width() ) | |||
1116 | aSz.AdjustHeight(GetSettings().GetStyleSettings().GetScrollBarSize() ); | |||
1117 | if ( aSz.Height() < aMinSz.Height() ) | |||
1118 | aSz.AdjustWidth(GetSettings().GetStyleSettings().GetScrollBarSize() ); | |||
1119 | } | |||
1120 | ||||
1121 | aSz.AdjustWidth(ImplGetExtraXOffset() * 2 ); | |||
1122 | ||||
1123 | aSz = CalcWindowSize( aSz ); | |||
1124 | return aSz; | |||
1125 | } | |||
1126 | ||||
1127 | long ComboBox::GetDropDownEntryHeight() const | |||
1128 | { | |||
1129 | return m_pImpl->m_pImplLB->GetEntryHeight(); | |||
1130 | } | |||
1131 | ||||
1132 | void ComboBox::GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const | |||
1133 | { | |||
1134 | long nCharWidth = GetTextWidth(OUString(u'x')); | |||
1135 | if ( !IsDropDownBox() ) | |||
1136 | { | |||
1137 | Size aOutSz = m_pImpl->m_pImplLB->GetMainWindow()->GetOutputSizePixel(); | |||
1138 | rnCols = (nCharWidth > 0) ? static_cast<sal_uInt16>(aOutSz.Width()/nCharWidth) : 1; | |||
1139 | rnLines = static_cast<sal_uInt16>(aOutSz.Height()/GetDropDownEntryHeight()); | |||
1140 | } | |||
1141 | else | |||
1142 | { | |||
1143 | Size aOutSz = m_pImpl->m_pSubEdit->GetOutputSizePixel(); | |||
1144 | rnCols = (nCharWidth > 0) ? static_cast<sal_uInt16>(aOutSz.Width()/nCharWidth) : 1; | |||
1145 | rnLines = 1; | |||
1146 | } | |||
1147 | } | |||
1148 | ||||
1149 | void ComboBox::Draw( OutputDevice* pDev, const Point& rPos, DrawFlags nFlags ) | |||
1150 | { | |||
1151 | m_pImpl->m_pImplLB->GetMainWindow()->ApplySettings(*pDev); | |||
1152 | ||||
1153 | Point aPos = pDev->LogicToPixel( rPos ); | |||
1154 | Size aSize = GetSizePixel(); | |||
1155 | vcl::Font aFont = m_pImpl->m_pImplLB->GetMainWindow()->GetDrawPixelFont( pDev ); | |||
1156 | ||||
1157 | pDev->Push(); | |||
1158 | pDev->SetMapMode(); | |||
1159 | pDev->SetFont( aFont ); | |||
1160 | pDev->SetTextFillColor(); | |||
1161 | ||||
1162 | // Border/Background | |||
1163 | pDev->SetLineColor(); | |||
1164 | pDev->SetFillColor(); | |||
1165 | bool bBorder = (GetStyle() & WB_BORDER); | |||
1166 | bool bBackground = IsControlBackground(); | |||
1167 | if ( bBorder || bBackground ) | |||
1168 | { | |||
1169 | tools::Rectangle aRect( aPos, aSize ); | |||
1170 | // aRect.Top() += nEditHeight; | |||
1171 | if ( bBorder ) | |||
1172 | { | |||
1173 | ImplDrawFrame( pDev, aRect ); | |||
1174 | } | |||
1175 | if ( bBackground ) | |||
1176 | { | |||
1177 | pDev->SetFillColor( GetControlBackground() ); | |||
1178 | pDev->DrawRect( aRect ); | |||
1179 | } | |||
1180 | } | |||
1181 | ||||
1182 | // contents | |||
1183 | if ( !IsDropDownBox() ) | |||
1184 | { | |||
1185 | long nOnePixel = GetDrawPixel( pDev, 1 ); | |||
1186 | long nTextHeight = pDev->GetTextHeight(); | |||
1187 | long nEditHeight = nTextHeight + 6*nOnePixel; | |||
1188 | DrawTextFlags nTextStyle = DrawTextFlags::VCenter; | |||
1189 | ||||
1190 | // First, draw the edit part | |||
1191 | Size aOrigSize(m_pImpl->m_pSubEdit->GetSizePixel()); | |||
1192 | m_pImpl->m_pSubEdit->SetSizePixel(Size(aSize.Width(), nEditHeight)); | |||
1193 | m_pImpl->m_pSubEdit->Draw( pDev, aPos, nFlags ); | |||
1194 | m_pImpl->m_pSubEdit->SetSizePixel(aOrigSize); | |||
1195 | ||||
1196 | // Second, draw the listbox | |||
1197 | if ( GetStyle() & WB_CENTER ) | |||
1198 | nTextStyle |= DrawTextFlags::Center; | |||
1199 | else if ( GetStyle() & WB_RIGHT ) | |||
1200 | nTextStyle |= DrawTextFlags::Right; | |||
1201 | else | |||
1202 | nTextStyle |= DrawTextFlags::Left; | |||
1203 | ||||
1204 | if ( nFlags & DrawFlags::Mono ) | |||
1205 | { | |||
1206 | pDev->SetTextColor( COL_BLACK ); | |||
1207 | } | |||
1208 | else | |||
1209 | { | |||
1210 | if ( !IsEnabled() ) | |||
1211 | { | |||
1212 | const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings(); | |||
1213 | pDev->SetTextColor( rStyleSettings.GetDisableColor() ); | |||
1214 | } | |||
1215 | else | |||
1216 | { | |||
1217 | pDev->SetTextColor( GetTextColor() ); | |||
1218 | } | |||
1219 | } | |||
1220 | ||||
1221 | tools::Rectangle aClip( aPos, aSize ); | |||
1222 | pDev->IntersectClipRegion( aClip ); | |||
1223 | sal_Int32 nLines = static_cast<sal_Int32>( nTextHeight > 0 ? (aSize.Height()-nEditHeight)/nTextHeight : 1 ); | |||
1224 | if ( !nLines ) | |||
1225 | nLines = 1; | |||
1226 | const sal_Int32 nTEntry = IsReallyVisible() ? m_pImpl->m_pImplLB->GetTopEntry() : 0; | |||
1227 | ||||
1228 | tools::Rectangle aTextRect( aPos, aSize ); | |||
1229 | ||||
1230 | aTextRect.AdjustLeft(3*nOnePixel ); | |||
1231 | aTextRect.AdjustRight( -(3*nOnePixel) ); | |||
1232 | aTextRect.AdjustTop(nEditHeight + nOnePixel ); | |||
1233 | aTextRect.SetBottom( aTextRect.Top() + nTextHeight ); | |||
1234 | ||||
1235 | // the drawing starts here | |||
1236 | for ( sal_Int32 n = 0; n < nLines; ++n ) | |||
1237 | { | |||
1238 | pDev->DrawText( aTextRect, m_pImpl->m_pImplLB->GetEntryList()->GetEntryText( n+nTEntry ), nTextStyle ); | |||
1239 | aTextRect.AdjustTop(nTextHeight ); | |||
1240 | aTextRect.AdjustBottom(nTextHeight ); | |||
1241 | } | |||
1242 | } | |||
1243 | ||||
1244 | pDev->Pop(); | |||
1245 | ||||
1246 | // Call Edit::Draw after restoring the MapMode... | |||
1247 | if ( IsDropDownBox() ) | |||
1248 | { | |||
1249 | Size aOrigSize(m_pImpl->m_pSubEdit->GetSizePixel()); | |||
1250 | m_pImpl->m_pSubEdit->SetSizePixel(GetSizePixel()); | |||
1251 | m_pImpl->m_pSubEdit->Draw( pDev, rPos, nFlags ); | |||
1252 | m_pImpl->m_pSubEdit->SetSizePixel(aOrigSize); | |||
1253 | // DD-Button ? | |||
1254 | } | |||
1255 | } | |||
1256 | ||||
1257 | void ComboBox::SetUserDrawHdl(const Link<UserDrawEvent*, void>& rLink) | |||
1258 | { | |||
1259 | m_pImpl->m_pImplLB->SetUserDrawHdl(rLink); | |||
1260 | } | |||
1261 | ||||
1262 | void ComboBox::SetUserItemSize( const Size& rSz ) | |||
1263 | { | |||
1264 | m_pImpl->m_pImplLB->GetMainWindow()->SetUserItemSize( rSz ); | |||
1265 | } | |||
1266 | ||||
1267 | void ComboBox::EnableUserDraw( bool bUserDraw ) | |||
1268 | { | |||
1269 | m_pImpl->m_pImplLB->GetMainWindow()->EnableUserDraw( bUserDraw ); | |||
1270 | } | |||
1271 | ||||
1272 | bool ComboBox::IsUserDrawEnabled() const | |||
1273 | { | |||
1274 | return m_pImpl->m_pImplLB->GetMainWindow()->IsUserDrawEnabled(); | |||
1275 | } | |||
1276 | ||||
1277 | void ComboBox::DrawEntry(const UserDrawEvent& rEvt) | |||
1278 | { | |||
1279 | SAL_WARN_IF(rEvt.GetWindow() != m_pImpl->m_pImplLB->GetMainWindow(), "vcl", "DrawEntry?!")do { if (true && (rEvt.GetWindow() != m_pImpl->m_pImplLB ->GetMainWindow())) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN , "vcl")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case SAL_DETAIL_LOG_ACTION_LOG : if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart () << "DrawEntry?!") == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN ), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" ":" "1279" ": "), ::sal::detail::unwrapStream( ::sal::detail ::StreamStart() << "DrawEntry?!"), 0); } else { ::std:: ostringstream sal_detail_stream; sal_detail_stream << "DrawEntry?!" ; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" ":" "1279" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL : if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart () << "DrawEntry?!") == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN ), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" ":" "1279" ": "), ::sal::detail::unwrapStream( ::sal::detail ::StreamStart() << "DrawEntry?!"), 0); } else { ::std:: ostringstream sal_detail_stream; sal_detail_stream << "DrawEntry?!" ; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/combobox.cxx" ":" "1279" ": "), sal_detail_stream, 0); }; std::abort(); break ; } } } while (false); | |||
1280 | m_pImpl->m_pImplLB->GetMainWindow()->DrawEntry(*rEvt.GetRenderContext(), rEvt.GetItemId(), /*bDrawImage*/false, /*bDrawText*/false); | |||
1281 | } | |||
1282 | ||||
1283 | void ComboBox::AddSeparator( sal_Int32 n ) | |||
1284 | { | |||
1285 | m_pImpl->m_pImplLB->AddSeparator( n ); | |||
1286 | } | |||
1287 | ||||
1288 | void ComboBox::SetMRUEntries( const OUString& rEntries ) | |||
1289 | { | |||
1290 | m_pImpl->m_pImplLB->SetMRUEntries( rEntries, ';' ); | |||
1291 | } | |||
1292 | ||||
1293 | OUString ComboBox::GetMRUEntries() const | |||
1294 | { | |||
1295 | return m_pImpl->m_pImplLB ? m_pImpl->m_pImplLB->GetMRUEntries( ';' ) : OUString(); | |||
1296 | } | |||
1297 | ||||
1298 | void ComboBox::SetMaxMRUCount( sal_Int32 n ) | |||
1299 | { | |||
1300 | m_pImpl->m_pImplLB->SetMaxMRUCount( n ); | |||
1301 | } | |||
1302 | ||||
1303 | sal_Int32 ComboBox::GetMaxMRUCount() const | |||
1304 | { | |||
1305 | return m_pImpl->m_pImplLB ? m_pImpl->m_pImplLB->GetMaxMRUCount() : 0; | |||
1306 | } | |||
1307 | ||||
1308 | sal_uInt16 ComboBox::GetDisplayLineCount() const | |||
1309 | { | |||
1310 | return m_pImpl->m_pImplLB ? m_pImpl->m_pImplLB->GetDisplayLineCount() : 0; | |||
1311 | } | |||
1312 | ||||
1313 | void ComboBox::SetEntryData( sal_Int32 nPos, void* pNewData ) | |||
1314 | { | |||
1315 | m_pImpl->m_pImplLB->SetEntryData( nPos + m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(), pNewData ); | |||
1316 | } | |||
1317 | ||||
1318 | void* ComboBox::GetEntryData( sal_Int32 nPos ) const | |||
1319 | { | |||
1320 | return m_pImpl->m_pImplLB->GetEntryList()->GetEntryData( | |||
1321 | nPos + m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount() ); | |||
1322 | } | |||
1323 | ||||
1324 | sal_Int32 ComboBox::GetTopEntry() const | |||
1325 | { | |||
1326 | sal_Int32 nPos = GetEntryCount() ? m_pImpl->m_pImplLB->GetTopEntry() : LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)); | |||
1327 | if (nPos < m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount()) | |||
1328 | nPos = 0; | |||
1329 | return nPos; | |||
1330 | } | |||
1331 | ||||
1332 | tools::Rectangle ComboBox::GetDropDownPosSizePixel() const | |||
1333 | { | |||
1334 | return m_pImpl->m_pFloatWin | |||
1335 | ? m_pImpl->m_pFloatWin->GetWindowExtentsRelative(this) | |||
1336 | : tools::Rectangle(); | |||
1337 | } | |||
1338 | ||||
1339 | const Wallpaper& ComboBox::GetDisplayBackground() const | |||
1340 | { | |||
1341 | if (!m_pImpl->m_pSubEdit->IsBackground()) | |||
1342 | return Control::GetDisplayBackground(); | |||
1343 | ||||
1344 | const Wallpaper& rBack = m_pImpl->m_pSubEdit->GetBackground(); | |||
1345 | if( ! rBack.IsBitmap() && | |||
1346 | ! rBack.IsGradient() && | |||
1347 | rBack == COL_TRANSPARENT | |||
1348 | ) | |||
1349 | return Control::GetDisplayBackground(); | |||
1350 | return rBack; | |||
1351 | } | |||
1352 | ||||
1353 | sal_Int32 ComboBox::GetSelectedEntryCount() const | |||
1354 | { | |||
1355 | return m_pImpl->m_pImplLB->GetEntryList()->GetSelectedEntryCount(); | |||
1356 | } | |||
1357 | ||||
1358 | sal_Int32 ComboBox::GetSelectedEntryPos( sal_Int32 nIndex ) const | |||
1359 | { | |||
1360 | sal_Int32 nPos = m_pImpl->m_pImplLB->GetEntryList()->GetSelectedEntryPos( nIndex ); | |||
1361 | if ( nPos != LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
1362 | { | |||
1363 | if (nPos < m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount()) | |||
1364 | nPos = m_pImpl->m_pImplLB->GetEntryList()->FindEntry(m_pImpl->m_pImplLB->GetEntryList()->GetEntryText(nPos)); | |||
1365 | nPos = sal::static_int_cast<sal_Int32>(nPos - m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount()); | |||
1366 | } | |||
1367 | return nPos; | |||
1368 | } | |||
1369 | ||||
1370 | bool ComboBox::IsEntryPosSelected( sal_Int32 nPos ) const | |||
1371 | { | |||
1372 | return m_pImpl->m_pImplLB->GetEntryList()->IsEntryPosSelected( | |||
1373 | nPos + m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount() ); | |||
1374 | } | |||
1375 | ||||
1376 | void ComboBox::SelectEntryPos( sal_Int32 nPos, bool bSelect) | |||
1377 | { | |||
1378 | if (nPos < m_pImpl->m_pImplLB->GetEntryList()->GetEntryCount()) | |||
1379 | m_pImpl->m_pImplLB->SelectEntry( | |||
1380 | nPos + m_pImpl->m_pImplLB->GetEntryList()->GetMRUCount(), bSelect); | |||
1381 | } | |||
1382 | ||||
1383 | void ComboBox::SetNoSelection() | |||
1384 | { | |||
1385 | m_pImpl->m_pImplLB->SetNoSelection(); | |||
1386 | m_pImpl->m_pSubEdit->SetText( OUString() ); | |||
1387 | } | |||
1388 | ||||
1389 | tools::Rectangle ComboBox::GetBoundingRectangle( sal_Int32 nItem ) const | |||
1390 | { | |||
1391 | tools::Rectangle aRect = m_pImpl->m_pImplLB->GetMainWindow()->GetBoundingRectangle( nItem ); | |||
1392 | tools::Rectangle aOffset = m_pImpl->m_pImplLB->GetMainWindow()->GetWindowExtentsRelative( static_cast<vcl::Window*>(const_cast<ComboBox *>(this)) ); | |||
1393 | aRect.Move( aOffset.TopLeft().X(), aOffset.TopLeft().Y() ); | |||
1394 | return aRect; | |||
1395 | } | |||
1396 | ||||
1397 | void ComboBox::SetBorderStyle( WindowBorderStyle nBorderStyle ) | |||
1398 | { | |||
1399 | Window::SetBorderStyle( nBorderStyle ); | |||
1400 | if ( !IsDropDownBox() ) | |||
1401 | { | |||
1402 | m_pImpl->m_pSubEdit->SetBorderStyle( nBorderStyle ); | |||
1403 | m_pImpl->m_pImplLB->SetBorderStyle( nBorderStyle ); | |||
1404 | } | |||
1405 | } | |||
1406 | ||||
1407 | long ComboBox::GetIndexForPoint( const Point& rPoint, sal_Int32& rPos ) const | |||
1408 | { | |||
1409 | if( !HasLayoutData() ) | |||
1410 | FillLayoutData(); | |||
1411 | ||||
1412 | // check whether rPoint fits at all | |||
1413 | long nIndex = Control::GetIndexForPoint( rPoint ); | |||
1414 | if( nIndex != -1 ) | |||
1415 | { | |||
1416 | // point must be either in main list window | |||
1417 | // or in impl window (dropdown case) | |||
1418 | ImplListBoxWindow* rMain = m_pImpl->m_pImplLB->GetMainWindow(); | |||
1419 | ||||
1420 | // convert coordinates to ImplListBoxWindow pixel coordinate space | |||
1421 | Point aConvPoint = LogicToPixel( rPoint ); | |||
1422 | aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint ); | |||
1423 | aConvPoint = rMain->AbsoluteScreenToOutputPixel( aConvPoint ); | |||
1424 | aConvPoint = rMain->PixelToLogic( aConvPoint ); | |||
1425 | ||||
1426 | // try to find entry | |||
1427 | sal_Int32 nEntry = rMain->GetEntryPosForPoint( aConvPoint ); | |||
1428 | if( nEntry == LISTBOX_ENTRY_NOTFOUND(((sal_Int32) 0x7FFFFFFF)) ) | |||
1429 | nIndex = -1; | |||
1430 | else | |||
1431 | rPos = nEntry; | |||
1432 | } | |||
1433 | ||||
1434 | // get line relative index | |||
1435 | if( nIndex != -1 ) | |||
1436 | nIndex = ToRelativeLineIndex( nIndex ); | |||
1437 | ||||
1438 | return nIndex; | |||
1439 | } | |||
1440 | ||||
1441 | ComboBoxBounds ComboBox::Impl::calcComboBoxDropDownComponentBounds( | |||
1442 | const Size &rOutSz, const Size &rBorderOutSz) const | |||
1443 | { | |||
1444 | ComboBoxBounds aBounds; | |||
1445 | ||||
1446 | long nTop = 0; | |||
1447 | long nBottom = rOutSz.Height(); | |||
1448 | ||||
1449 | vcl::Window *pBorder = m_rThis.GetWindow( GetWindowType::Border ); | |||
1450 | ImplControlValue aControlValue; | |||
1451 | Point aPoint; | |||
1452 | tools::Rectangle aContent, aBound; | |||
1453 | ||||
1454 | // use the full extent of the control | |||
1455 | tools::Rectangle aArea( aPoint, rBorderOutSz ); | |||
1456 | ||||
1457 | if (m_rThis.GetNativeControlRegion(ControlType::Combobox, ControlPart::ButtonDown, | |||
1458 | aArea, ControlState::NONE, aControlValue, aBound, aContent) ) | |||
1459 | { | |||
1460 | // convert back from border space to local coordinates | |||
1461 | aPoint = pBorder->ScreenToOutputPixel(m_rThis.OutputToScreenPixel(aPoint)); | |||
1462 | aContent.Move(-aPoint.X(), -aPoint.Y()); | |||
1463 | ||||
1464 | aBounds.aButtonPos = Point(aContent.Left(), nTop); | |||
1465 | aBounds.aButtonSize = Size(aContent.getWidth(), (nBottom-nTop)); | |||
1466 | ||||
1467 | // adjust the size of the edit field | |||
1468 | if (m_rThis.GetNativeControlRegion(ControlType::Combobox, ControlPart::SubEdit, | |||
1469 | aArea, ControlState::NONE, aControlValue, aBound, aContent) ) | |||
1470 | { | |||
1471 | // convert back from border space to local coordinates | |||
1472 | aContent.Move(-aPoint.X(), -aPoint.Y()); | |||
1473 | ||||
1474 | // use the themes drop down size | |||
1475 | aBounds.aSubEditPos = aContent.TopLeft(); | |||
1476 | aBounds.aSubEditSize = aContent.GetSize(); | |||
1477 | } | |||
1478 | else | |||
1479 | { | |||
1480 | // use the themes drop down size for the button | |||
1481 | aBounds.aSubEditSize = Size(rOutSz.Width() - aContent.getWidth(), rOutSz.Height()); | |||
1482 | } | |||
1483 | } | |||
1484 | else | |||
1485 | { | |||
1486 | long nSBWidth = m_rThis.GetSettings().GetStyleSettings().GetScrollBarSize(); | |||
1487 | nSBWidth = m_rThis.CalcZoom( nSBWidth ); | |||
1488 | aBounds.aSubEditSize = Size(rOutSz.Width() - nSBWidth, rOutSz.Height()); | |||
1489 | aBounds.aButtonPos = Point(rOutSz.Width() - nSBWidth, nTop); | |||
1490 | aBounds.aButtonSize = Size(nSBWidth, (nBottom-nTop)); | |||
1491 | } | |||
1492 | return aBounds; | |||
1493 | } | |||
1494 | ||||
1495 | void ComboBox::SetWidthInChars(sal_Int32 nWidthInChars) | |||
1496 | { | |||
1497 | if (nWidthInChars != m_pImpl->m_nWidthInChars) | |||
1498 | { | |||
1499 | m_pImpl->m_nWidthInChars = nWidthInChars; | |||
1500 | queue_resize(); | |||
1501 | } | |||
1502 | } | |||
1503 | ||||
1504 | void ComboBox::setMaxWidthChars(sal_Int32 nWidth) | |||
1505 | { | |||
1506 | if (nWidth != m_pImpl->m_nMaxWidthChars) | |||
1507 | { | |||
1508 | m_pImpl->m_nMaxWidthChars = nWidth; | |||
1509 | queue_resize(); | |||
1510 | } | |||
1511 | } | |||
1512 | ||||
1513 | bool ComboBox::set_property(const OString &rKey, const OUString &rValue) | |||
1514 | { | |||
1515 | if (rKey == "width-chars") | |||
1516 | SetWidthInChars(rValue.toInt32()); | |||
1517 | else if (rKey == "max-width-chars") | |||
1518 | setMaxWidthChars(rValue.toInt32()); | |||
1519 | else if (rKey == "can-focus") | |||
1520 | { | |||
1521 | // as far as I can see in Gtk, setting a ComboBox as can.focus means | |||
1522 | // the focus gets stuck in it, so try here to behave like gtk does | |||
1523 | // with the settings that work, i.e. can.focus of false doesn't | |||
1524 | // set the hard WB_NOTABSTOP | |||
1525 | WinBits nBits = GetStyle(); | |||
1526 | nBits &= ~(WB_TABSTOP|WB_NOTABSTOP); | |||
1527 | if (toBool(rValue)) | |||
1528 | nBits |= WB_TABSTOP; | |||
1529 | SetStyle(nBits); | |||
1530 | } | |||
1531 | else if (rKey == "placeholder-text") | |||
1532 | SetPlaceholderText(rValue); | |||
1533 | else | |||
1534 | return Control::set_property(rKey, rValue); | |||
1535 | return true; | |||
1536 | } | |||
1537 | ||||
1538 | FactoryFunction ComboBox::GetUITestFactory() const | |||
1539 | { | |||
1540 | return ComboBoxUIObject::create; | |||
1541 | } | |||
1542 | ||||
1543 | void ComboBox::DumpAsPropertyTree(tools::JsonWriter& rJsonWriter) | |||
1544 | { | |||
1545 | Control::DumpAsPropertyTree(rJsonWriter); | |||
1546 | ||||
1547 | auto entriesNode = rJsonWriter.startNode("entries"); | |||
1548 | for (int i = 0; i < GetEntryCount(); ++i) | |||
1549 | { | |||
1550 | auto entryNode = rJsonWriter.startNode(""); | |||
1551 | rJsonWriter.put("", GetEntry(i)); | |||
1552 | } | |||
1553 | ||||
1554 | auto selectedNode = rJsonWriter.startNode("selectedEntries"); | |||
1555 | for (int i = 0; i < GetSelectedEntryCount(); ++i) | |||
1556 | { | |||
1557 | auto entryNode = rJsonWriter.startNode(""); | |||
1558 | rJsonWriter.put("", GetSelectedEntryPos(i)); | |||
1559 | } | |||
1560 | ||||
1561 | rJsonWriter.put("selectedCount", GetSelectedEntryCount()); | |||
1562 | } | |||
1563 | ||||
1564 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | ||||||||
2 | /* | ||||||||
3 | * This file is part of the LibreOffice project. | ||||||||
4 | * | ||||||||
5 | * This Source Code Form is subject to the terms of the Mozilla Public | ||||||||
6 | * License, v. 2.0. If a copy of the MPL was not distributed with this | ||||||||
7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||||||||
8 | * | ||||||||
9 | * This file incorporates work covered by the following license notice: | ||||||||
10 | * | ||||||||
11 | * Licensed to the Apache Software Foundation (ASF) under one or more | ||||||||
12 | * contributor license agreements. See the NOTICE file distributed | ||||||||
13 | * with this work for additional information regarding copyright | ||||||||
14 | * ownership. The ASF licenses this file to you under the Apache | ||||||||
15 | * License, Version 2.0 (the "License"); you may not use this file | ||||||||
16 | * except in compliance with the License. You may obtain a copy of | ||||||||
17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . | ||||||||
18 | */ | ||||||||
19 | |||||||||
20 | #ifndef INCLUDED_RTL_REF_HXX | ||||||||
21 | #define INCLUDED_RTL_REF_HXX | ||||||||
22 | |||||||||
23 | #include "sal/config.h" | ||||||||
24 | |||||||||
25 | #include <cassert> | ||||||||
26 | #include <cstddef> | ||||||||
27 | #include <functional> | ||||||||
28 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
29 | #include <type_traits> | ||||||||
30 | #endif | ||||||||
31 | |||||||||
32 | #include "sal/types.h" | ||||||||
33 | |||||||||
34 | namespace rtl | ||||||||
35 | { | ||||||||
36 | |||||||||
37 | /** Template reference class for reference type. | ||||||||
38 | */ | ||||||||
39 | template <class reference_type> | ||||||||
40 | class Reference | ||||||||
41 | { | ||||||||
42 | /** The <b>reference_type</b> body pointer. | ||||||||
43 | */ | ||||||||
44 | reference_type * m_pBody; | ||||||||
45 | |||||||||
46 | |||||||||
47 | public: | ||||||||
48 | /** Constructor... | ||||||||
49 | */ | ||||||||
50 | Reference() | ||||||||
51 | : m_pBody (NULL__null) | ||||||||
52 | {} | ||||||||
53 | |||||||||
54 | |||||||||
55 | /** Constructor... | ||||||||
56 | */ | ||||||||
57 | Reference (reference_type * pBody, __sal_NoAcquire) | ||||||||
58 | : m_pBody (pBody) | ||||||||
59 | { | ||||||||
60 | } | ||||||||
61 | |||||||||
62 | /** Constructor... | ||||||||
63 | */ | ||||||||
64 | Reference (reference_type * pBody) | ||||||||
65 | : m_pBody (pBody) | ||||||||
66 | { | ||||||||
67 | if (m_pBody) | ||||||||
68 | m_pBody->acquire(); | ||||||||
69 | } | ||||||||
70 | |||||||||
71 | /** Copy constructor... | ||||||||
72 | */ | ||||||||
73 | Reference (const Reference<reference_type> & handle) | ||||||||
74 | : m_pBody (handle.m_pBody) | ||||||||
75 | { | ||||||||
76 | if (m_pBody
| ||||||||
77 | m_pBody->acquire(); | ||||||||
| |||||||||
78 | } | ||||||||
79 | |||||||||
80 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
81 | /** Move constructor... | ||||||||
82 | */ | ||||||||
83 | Reference (Reference<reference_type> && handle) noexcept | ||||||||
84 | : m_pBody (handle.m_pBody) | ||||||||
85 | { | ||||||||
86 | handle.m_pBody = nullptr; | ||||||||
87 | } | ||||||||
88 | #endif | ||||||||
89 | |||||||||
90 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
91 | /** Up-casting conversion constructor: Copies interface reference. | ||||||||
92 | |||||||||
93 | Does not work for up-casts to ambiguous bases. | ||||||||
94 | |||||||||
95 | @param rRef another reference | ||||||||
96 | */ | ||||||||
97 | template< class derived_type > | ||||||||
98 | inline Reference( | ||||||||
99 | const Reference< derived_type > & rRef, | ||||||||
100 | std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 ) | ||||||||
101 | : m_pBody (rRef.get()) | ||||||||
102 | { | ||||||||
103 | if (m_pBody) | ||||||||
104 | m_pBody->acquire(); | ||||||||
105 | } | ||||||||
106 | #endif | ||||||||
107 | |||||||||
108 | /** Destructor... | ||||||||
109 | */ | ||||||||
110 | ~Reference() COVERITY_NOEXCEPT_FALSE | ||||||||
111 | { | ||||||||
112 | if (m_pBody) | ||||||||
113 | m_pBody->release(); | ||||||||
114 | } | ||||||||
115 | |||||||||
116 | /** Set... | ||||||||
117 | Similar to assignment. | ||||||||
118 | */ | ||||||||
119 | Reference<reference_type> & | ||||||||
120 | SAL_CALL set (reference_type * pBody) | ||||||||
121 | { | ||||||||
122 | if (pBody) | ||||||||
123 | pBody->acquire(); | ||||||||
124 | reference_type * const pOld = m_pBody; | ||||||||
125 | m_pBody = pBody; | ||||||||
126 | if (pOld) | ||||||||
127 | pOld->release(); | ||||||||
128 | return *this; | ||||||||
129 | } | ||||||||
130 | |||||||||
131 | /** Assignment. | ||||||||
132 | Unbinds this instance from its body (if bound) and | ||||||||
133 | bind it to the body represented by the handle. | ||||||||
134 | */ | ||||||||
135 | Reference<reference_type> & | ||||||||
136 | SAL_CALL operator= (const Reference<reference_type> & handle) | ||||||||
137 | { | ||||||||
138 | return set( handle.m_pBody ); | ||||||||
139 | } | ||||||||
140 | |||||||||
141 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
142 | /** Assignment. | ||||||||
143 | * Unbinds this instance from its body (if bound), | ||||||||
144 | * bind it to the body represented by the handle, and | ||||||||
145 | * set the body represented by the handle to nullptr. | ||||||||
146 | */ | ||||||||
147 | Reference<reference_type> & | ||||||||
148 | operator= (Reference<reference_type> && handle) | ||||||||
149 | { | ||||||||
150 | // self-movement guts ourself | ||||||||
151 | if (m_pBody) | ||||||||
152 | m_pBody->release(); | ||||||||
153 | m_pBody = handle.m_pBody; | ||||||||
154 | handle.m_pBody = nullptr; | ||||||||
155 | return *this; | ||||||||
156 | } | ||||||||
157 | #endif | ||||||||
158 | |||||||||
159 | /** Assignment... | ||||||||
160 | */ | ||||||||
161 | Reference<reference_type> & | ||||||||
162 | SAL_CALL operator= (reference_type * pBody) | ||||||||
163 | { | ||||||||
164 | return set( pBody ); | ||||||||
165 | } | ||||||||
166 | |||||||||
167 | /** Unbind the body from this handle. | ||||||||
168 | Note that for a handle representing a large body, | ||||||||
169 | "handle.clear().set(new body());" _might_ | ||||||||
170 | perform a little bit better than "handle.set(new body());", | ||||||||
171 | since in the second case two large objects exist in memory | ||||||||
172 | (the old body and the new body). | ||||||||
173 | */ | ||||||||
174 | Reference<reference_type> & SAL_CALL clear() | ||||||||
175 | { | ||||||||
176 | if (m_pBody
| ||||||||
177 | { | ||||||||
178 | reference_type * const pOld = m_pBody; | ||||||||
179 | m_pBody = NULL__null; | ||||||||
180 | pOld->release(); | ||||||||
181 | } | ||||||||
182 | return *this; | ||||||||
183 | } | ||||||||
184 | |||||||||
185 | |||||||||
186 | /** Get the body. Can be used instead of operator->(). | ||||||||
187 | I.e. handle->someBodyOp() and handle.get()->someBodyOp() | ||||||||
188 | are the same. | ||||||||
189 | */ | ||||||||
190 | reference_type * SAL_CALL get() const | ||||||||
191 | { | ||||||||
192 | return m_pBody; | ||||||||
193 | } | ||||||||
194 | |||||||||
195 | |||||||||
196 | /** Probably most common used: handle->someBodyOp(). | ||||||||
197 | */ | ||||||||
198 | reference_type * SAL_CALL operator->() const | ||||||||
199 | { | ||||||||
200 | assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail ("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx" , 200, __extension__ __PRETTY_FUNCTION__)); | ||||||||
201 | return m_pBody; | ||||||||
202 | } | ||||||||
203 | |||||||||
204 | |||||||||
205 | /** Allows (*handle).someBodyOp(). | ||||||||
206 | */ | ||||||||
207 | reference_type & SAL_CALL operator*() const | ||||||||
208 | { | ||||||||
209 | assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail ("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx" , 209, __extension__ __PRETTY_FUNCTION__)); | ||||||||
210 | return *m_pBody; | ||||||||
211 | } | ||||||||
212 | |||||||||
213 | |||||||||
214 | /** Returns True if the handle does point to a valid body. | ||||||||
215 | */ | ||||||||
216 | bool SAL_CALL is() const | ||||||||
217 | { | ||||||||
218 | return (m_pBody != NULL__null); | ||||||||
219 | } | ||||||||
220 | |||||||||
221 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
222 | /** Returns True if the handle does point to a valid body. | ||||||||
223 | */ | ||||||||
224 | explicit operator bool() const | ||||||||
225 | { | ||||||||
226 | return is(); | ||||||||
227 | } | ||||||||
228 | #endif | ||||||||
229 | |||||||||
230 | /** Returns True if this points to pBody. | ||||||||
231 | */ | ||||||||
232 | bool SAL_CALL operator== (const reference_type * pBody) const | ||||||||
233 | { | ||||||||
234 | return (m_pBody == pBody); | ||||||||
235 | } | ||||||||
236 | |||||||||
237 | |||||||||
238 | /** Returns True if handle points to the same body. | ||||||||
239 | */ | ||||||||
240 | bool | ||||||||
241 | SAL_CALL operator== (const Reference<reference_type> & handle) const | ||||||||
242 | { | ||||||||
243 | return (m_pBody == handle.m_pBody); | ||||||||
244 | } | ||||||||
245 | |||||||||
246 | |||||||||
247 | /** Needed to place References into STL collection. | ||||||||
248 | */ | ||||||||
249 | bool | ||||||||
250 | SAL_CALL operator!= (const Reference<reference_type> & handle) const | ||||||||
251 | { | ||||||||
252 | return (m_pBody != handle.m_pBody); | ||||||||
253 | } | ||||||||
254 | |||||||||
255 | |||||||||
256 | /** Needed to place References into STL collection. | ||||||||
257 | */ | ||||||||
258 | bool | ||||||||
259 | SAL_CALL operator< (const Reference<reference_type> & handle) const | ||||||||
260 | { | ||||||||
261 | return (m_pBody < handle.m_pBody); | ||||||||
262 | } | ||||||||
263 | |||||||||
264 | |||||||||
265 | /** Needed to place References into STL collection. | ||||||||
266 | */ | ||||||||
267 | bool | ||||||||
268 | SAL_CALL operator> (const Reference<reference_type> & handle) const | ||||||||
269 | { | ||||||||
270 | return (m_pBody > handle.m_pBody); | ||||||||
271 | } | ||||||||
272 | }; | ||||||||
273 | |||||||||
274 | } // namespace rtl | ||||||||
275 | |||||||||
276 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
277 | namespace std | ||||||||
278 | { | ||||||||
279 | |||||||||
280 | /// @cond INTERNAL | ||||||||
281 | /** | ||||||||
282 | Make rtl::Reference hashable by default for use in STL containers. | ||||||||
283 | |||||||||
284 | @since LibreOffice 6.3 | ||||||||
285 | */ | ||||||||
286 | template<typename T> | ||||||||
287 | struct hash<::rtl::Reference<T>> | ||||||||
288 | { | ||||||||
289 | std::size_t operator()(::rtl::Reference<T> const & s) const | ||||||||
290 | { return std::size_t(s.get()); } | ||||||||
291 | }; | ||||||||
292 | /// @endcond | ||||||||
293 | |||||||||
294 | } | ||||||||
295 | |||||||||
296 | #endif | ||||||||
297 | |||||||||
298 | #endif /* ! INCLUDED_RTL_REF_HXX */ | ||||||||
299 | |||||||||
300 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
2 | /* |
3 | * This file is part of the LibreOffice project. |
4 | * |
5 | * This Source Code Form is subject to the terms of the Mozilla Public |
6 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
8 | * |
9 | * This file incorporates work covered by the following license notice: |
10 | * |
11 | * Licensed to the Apache Software Foundation (ASF) under one or more |
12 | * contributor license agreements. See the NOTICE file distributed |
13 | * with this work for additional information regarding copyright |
14 | * ownership. The ASF licenses this file to you under the Apache |
15 | * License, Version 2.0 (the "License"); you may not use this file |
16 | * except in compliance with the License. You may obtain a copy of |
17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
18 | */ |
19 | |
20 | #ifndef INCLUDED_VCL_PTR_HXX |
21 | #define INCLUDED_VCL_PTR_HXX |
22 | |
23 | #include <sal/config.h> |
24 | |
25 | #include <rtl/ref.hxx> |
26 | |
27 | #include <utility> |
28 | #include <type_traits> |
29 | |
30 | #ifdef DBG_UTIL |
31 | #ifndef _WIN32 |
32 | #include <vcl/vclmain.hxx> |
33 | #endif |
34 | #endif |
35 | |
36 | class VclReferenceBase; |
37 | |
38 | namespace vcl::detail { |
39 | |
40 | template<typename> |
41 | constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; } |
42 | |
43 | template<typename T> constexpr bool isIncompleteOrDerivedFromVclReferenceBase( |
44 | int (*)[sizeof(T)]) |
45 | { return std::is_base_of<VclReferenceBase, T>::value; } |
46 | |
47 | } // namespace vcl::detail |
48 | |
49 | /** |
50 | * A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses. |
51 | * |
52 | * For more details on the design please see vcl/README.lifecycle |
53 | * |
54 | * @param reference_type must be a subclass of vcl::Window |
55 | */ |
56 | template <class reference_type> |
57 | class VclPtr |
58 | { |
59 | static_assert( |
60 | vcl::detail::isIncompleteOrDerivedFromVclReferenceBase<reference_type>( |
61 | nullptr), |
62 | "template argument type must be derived from VclReferenceBase"); |
63 | |
64 | ::rtl::Reference<reference_type> m_rInnerRef; |
65 | |
66 | public: |
67 | /** Constructor... |
68 | */ |
69 | VclPtr() |
70 | : m_rInnerRef() |
71 | {} |
72 | |
73 | /** Constructor... |
74 | */ |
75 | VclPtr (reference_type * pBody) |
76 | : m_rInnerRef(pBody) |
77 | {} |
78 | |
79 | /** Constructor... that doesn't take a ref. |
80 | */ |
81 | VclPtr (reference_type * pBody, __sal_NoAcquire) |
82 | : m_rInnerRef(pBody, SAL_NO_ACQUIRE) |
83 | {} |
84 | |
85 | /** Up-casting conversion constructor: Copies interface reference. |
86 | |
87 | Does not work for up-casts to ambiguous bases. For the special case of |
88 | up-casting to Reference< XInterface >, see the corresponding conversion |
89 | operator. |
90 | |
91 | @param rRef another reference |
92 | */ |
93 | template< class derived_type > |
94 | VclPtr( |
95 | const VclPtr< derived_type > & rRef, |
96 | typename std::enable_if< |
97 | std::is_base_of<reference_type, derived_type>::value, int>::type |
98 | = 0 ) |
99 | : m_rInnerRef( static_cast<reference_type*>(rRef) ) |
100 | { |
101 | } |
102 | |
103 | #if defined(DBG_UTIL) && !defined(_WIN32) |
104 | virtual ~VclPtr() |
105 | { |
106 | assert(m_rInnerRef.get() == nullptr || vclmain::isAlive())(static_cast <bool> (m_rInnerRef.get() == nullptr || vclmain ::isAlive()) ? void (0) : __assert_fail ("m_rInnerRef.get() == nullptr || vclmain::isAlive()" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 106, __extension__ __PRETTY_FUNCTION__)); |
107 | // We can be one of the intermediate counts, but if we are the last |
108 | // VclPtr keeping this object alive, then something forgot to call dispose(). |
109 | assert((!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1)(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef ->isDisposed() || m_rInnerRef->getRefCount() > 1) && "someone forgot to call dispose()") ? void (0) : __assert_fail ("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\"" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 110, __extension__ __PRETTY_FUNCTION__)) |
110 | && "someone forgot to call dispose()")(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef ->isDisposed() || m_rInnerRef->getRefCount() > 1) && "someone forgot to call dispose()") ? void (0) : __assert_fail ("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\"" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 110, __extension__ __PRETTY_FUNCTION__)); |
111 | } |
112 | VclPtr(VclPtr const &) = default; |
113 | VclPtr(VclPtr &&) = default; |
114 | VclPtr & operator =(VclPtr const &) = default; |
115 | VclPtr & operator =(VclPtr &&) = default; |
116 | #endif |
117 | |
118 | /** |
119 | * A construction helper for VclPtr. Since VclPtr types are created |
120 | * with a reference-count of one - to help fit into the existing |
121 | * code-flow; this helps us to construct them easily. |
122 | * |
123 | * For more details on the design please see vcl/README.lifecycle |
124 | * |
125 | * @tparam reference_type must be a subclass of vcl::Window |
126 | */ |
127 | template<typename... Arg> [[nodiscard]] static VclPtr< reference_type > Create(Arg &&... arg) |
128 | { |
129 | return VclPtr< reference_type >( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ); |
130 | } |
131 | |
132 | /** Probably most common used: handle->someBodyOp(). |
133 | */ |
134 | reference_type * operator->() const |
135 | { |
136 | return m_rInnerRef.get(); |
137 | } |
138 | |
139 | /** Get the body. Can be used instead of operator->(). |
140 | I.e. handle->someBodyOp() and handle.get()->someBodyOp() |
141 | are the same. |
142 | */ |
143 | reference_type * get() const |
144 | { |
145 | return m_rInnerRef.get(); |
146 | } |
147 | |
148 | void set(reference_type *pBody) |
149 | { |
150 | m_rInnerRef.set(pBody); |
151 | } |
152 | |
153 | void reset(reference_type *pBody) |
154 | { |
155 | m_rInnerRef.set(pBody); |
156 | } |
157 | |
158 | /** Up-casting copy assignment operator. |
159 | |
160 | Does not work for up-casts to ambiguous bases. |
161 | |
162 | @param rRef another reference |
163 | */ |
164 | template<typename derived_type> |
165 | typename std::enable_if< |
166 | std::is_base_of<reference_type, derived_type>::value, |
167 | VclPtr &>::type |
168 | operator =(VclPtr<derived_type> const & rRef) |
169 | { |
170 | m_rInnerRef.set(rRef.get()); |
171 | return *this; |
172 | } |
173 | |
174 | VclPtr & operator =(reference_type * pBody) |
175 | { |
176 | m_rInnerRef.set(pBody); |
177 | return *this; |
178 | } |
179 | |
180 | operator reference_type * () const |
181 | { |
182 | return m_rInnerRef.get(); |
183 | } |
184 | |
185 | explicit operator bool () const |
186 | { |
187 | return m_rInnerRef.get() != nullptr; |
188 | } |
189 | |
190 | void clear() |
191 | { |
192 | m_rInnerRef.clear(); |
193 | } |
194 | |
195 | void reset() |
196 | { |
197 | m_rInnerRef.clear(); |
198 | } |
199 | |
200 | void disposeAndClear() |
201 | { |
202 | // hold it alive for the lifetime of this method |
203 | ::rtl::Reference<reference_type> aTmp(m_rInnerRef); |
204 | m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-) |
205 | if (aTmp.get()) { |
206 | aTmp->disposeOnce(); |
207 | } |
208 | } |
209 | |
210 | /** Needed to place VclPtr's into STL collection. |
211 | */ |
212 | bool operator< (const VclPtr<reference_type> & handle) const |
213 | { |
214 | return (m_rInnerRef < handle.m_rInnerRef); |
215 | } |
216 | }; // class VclPtr |
217 | |
218 | template<typename T1, typename T2> |
219 | inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
220 | return p1.get() == p2.get(); |
221 | } |
222 | |
223 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2) |
224 | { |
225 | return p1.get() == p2; |
226 | } |
227 | |
228 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) { |
229 | return p1.get() == p2; |
230 | } |
231 | |
232 | template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2) |
233 | { |
234 | return p1 == p2.get(); |
235 | } |
236 | |
237 | template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) { |
238 | return p1 == p2.get(); |
239 | } |
240 | |
241 | template<typename T1, typename T2> |
242 | inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
243 | return !(p1 == p2); |
244 | } |
245 | |
246 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2) |
247 | { |
248 | return !(p1 == p2); |
249 | } |
250 | |
251 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) { |
252 | return !(p1 == p2); |
253 | } |
254 | |
255 | template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2) |
256 | { |
257 | return !(p1 == p2); |
258 | } |
259 | |
260 | template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) { |
261 | return !(p1 == p2); |
262 | } |
263 | |
264 | /** |
265 | * A construction helper for a temporary VclPtr. Since VclPtr types |
266 | * are created with a reference-count of one - to help fit into |
267 | * the existing code-flow; this helps us to construct them easily. |
268 | * see also VclPtr::Create and ScopedVclPtr |
269 | * |
270 | * For more details on the design please see vcl/README.lifecycle |
271 | * |
272 | * @param reference_type must be a subclass of vcl::Window |
273 | */ |
274 | template <class reference_type> |
275 | class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type> |
276 | { |
277 | public: |
278 | template<typename... Arg> VclPtrInstance(Arg &&... arg) |
279 | : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ) |
280 | { |
281 | } |
282 | |
283 | /** |
284 | * Override and disallow this, to prevent people accidentally calling it and actually |
285 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
286 | */ |
287 | template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete; |
288 | }; |
289 | |
290 | template <class reference_type> |
291 | class ScopedVclPtr : public VclPtr<reference_type> |
292 | { |
293 | public: |
294 | /** Constructor... |
295 | */ |
296 | ScopedVclPtr() |
297 | : VclPtr<reference_type>() |
298 | {} |
299 | |
300 | /** Constructor |
301 | */ |
302 | ScopedVclPtr (reference_type * pBody) |
303 | : VclPtr<reference_type>(pBody) |
304 | {} |
305 | |
306 | /** Copy constructor... |
307 | */ |
308 | ScopedVclPtr (const VclPtr<reference_type> & handle) |
309 | : VclPtr<reference_type>(handle) |
310 | {} |
311 | |
312 | /** |
313 | Assignment that releases the last reference. |
314 | */ |
315 | void disposeAndReset(reference_type *pBody) |
316 | { |
317 | if (pBody != this->get()) { |
318 | VclPtr<reference_type>::disposeAndClear(); |
319 | VclPtr<reference_type>::set(pBody); |
320 | } |
321 | } |
322 | |
323 | /** |
324 | Assignment that releases the last reference. |
325 | */ |
326 | ScopedVclPtr<reference_type>& operator = (reference_type * pBody) |
327 | { |
328 | disposeAndReset(pBody); |
329 | return *this; |
330 | } |
331 | |
332 | /** Up-casting conversion constructor: Copies interface reference. |
333 | |
334 | Does not work for up-casts to ambiguous bases. For the special case of |
335 | up-casting to Reference< XInterface >, see the corresponding conversion |
336 | operator. |
337 | |
338 | @param rRef another reference |
339 | */ |
340 | template< class derived_type > |
341 | ScopedVclPtr( |
342 | const VclPtr< derived_type > & rRef, |
343 | typename std::enable_if< |
344 | std::is_base_of<reference_type, derived_type>::value, int>::type |
345 | = 0 ) |
346 | : VclPtr<reference_type>( rRef ) |
347 | { |
348 | } |
349 | |
350 | /** Up-casting assignment operator. |
351 | |
352 | Does not work for up-casts to ambiguous bases. |
353 | |
354 | @param rRef another VclPtr |
355 | */ |
356 | template<typename derived_type> |
357 | typename std::enable_if< |
358 | std::is_base_of<reference_type, derived_type>::value, |
359 | ScopedVclPtr &>::type |
360 | operator =(VclPtr<derived_type> const & rRef) |
361 | { |
362 | disposeAndReset(rRef.get()); |
363 | return *this; |
364 | } |
365 | |
366 | /** |
367 | * Override and disallow this, to prevent people accidentally calling it and actually |
368 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
369 | */ |
370 | template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete; |
371 | |
372 | ~ScopedVclPtr() |
373 | { |
374 | VclPtr<reference_type>::disposeAndClear(); |
375 | assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get( ) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 375, __extension__ __PRETTY_FUNCTION__)); // make sure there are no lingering references |
376 | } |
377 | |
378 | private: |
379 | // Most likely we don't want this default copy-constructor. |
380 | ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete; |
381 | // And certainly we don't want a default assignment operator. |
382 | ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete; |
383 | // And disallow reset as that doesn't call disposeAndClear on the original reference |
384 | void reset() = delete; |
385 | void reset(reference_type *pBody) = delete; |
386 | |
387 | protected: |
388 | ScopedVclPtr (reference_type * pBody, __sal_NoAcquire) |
389 | : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE) |
390 | {} |
391 | }; |
392 | |
393 | /** |
394 | * A construction helper for ScopedVclPtr. Since VclPtr types are created |
395 | * with a reference-count of one - to help fit into the existing |
396 | * code-flow; this helps us to construct them easily. |
397 | * |
398 | * For more details on the design please see vcl/README.lifecycle |
399 | * |
400 | * @param reference_type must be a subclass of vcl::Window |
401 | */ |
402 | #if defined _MSC_VER |
403 | #pragma warning(push) |
404 | #pragma warning(disable: 4521) // " multiple copy constructors specified" |
405 | #endif |
406 | template <class reference_type> |
407 | class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type> |
408 | { |
409 | public: |
410 | template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg) |
411 | : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ) |
412 | { |
413 | } |
414 | |
415 | /** |
416 | * Override and disallow this, to prevent people accidentally calling it and actually |
417 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
418 | */ |
419 | template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete; |
420 | |
421 | private: |
422 | // Prevent the above perfect forwarding ctor from hijacking (accidental) |
423 | // attempts at ScopedVclPtrInstance copy construction (where the hijacking |
424 | // would typically lead to somewhat obscure error messages); both non-const |
425 | // and const variants are needed here, as the ScopedVclPtr base class has a |
426 | // const--variant copy ctor, so the implicitly declared copy ctor for |
427 | // ScopedVclPtrInstance would also be the const variant, so non-const copy |
428 | // construction attempts would be hijacked by the perfect forwarding ctor; |
429 | // but if we only declared a non-const variant here, the const variant would |
430 | // no longer be implicitly declared (as there would already be an explicitly |
431 | // declared copy ctor), so const copy construction attempts would then be |
432 | // hijacked by the perfect forwarding ctor: |
433 | ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete; |
434 | ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete; |
435 | }; |
436 | #if defined _MSC_VER |
437 | #pragma warning(pop) |
438 | #endif |
439 | |
440 | #endif // INCLUDED_VCL_PTR_HXX |
441 | |
442 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
2 | /* |
3 | * This file is part of the LibreOffice project. |
4 | * |
5 | * This Source Code Form is subject to the terms of the Mozilla Public |
6 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
8 | * |
9 | * This file incorporates work covered by the following license notice: |
10 | * |
11 | * Licensed to the Apache Software Foundation (ASF) under one or more |
12 | * contributor license agreements. See the NOTICE file distributed |
13 | * with this work for additional information regarding copyright |
14 | * ownership. The ASF licenses this file to you under the Apache |
15 | * License, Version 2.0 (the "License"); you may not use this file |
16 | * except in compliance with the License. You may obtain a copy of |
17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
18 | */ |
19 | #ifndef INCLUDED_VCL_Reference_HXX |
20 | #define INCLUDED_VCL_Reference_HXX |
21 | |
22 | #include <vcl/dllapi.h> |
23 | #include <osl/interlck.h> |
24 | |
25 | class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase |
26 | { |
27 | mutable oslInterlockedCount mnRefCnt; |
28 | |
29 | template<typename T> friend class VclPtr; |
30 | |
31 | public: |
32 | void acquire() const |
33 | { |
34 | osl_atomic_increment(&mnRefCnt)__sync_add_and_fetch((&mnRefCnt), 1); |
35 | } |
36 | |
37 | void release() const |
38 | { |
39 | if (osl_atomic_decrement(&mnRefCnt)__sync_sub_and_fetch((&mnRefCnt), 1) == 0) |
40 | delete this; |
41 | } |
42 | #ifdef DBG_UTIL |
43 | #ifndef _WIN32 |
44 | sal_Int32 getRefCount() const { return mnRefCnt; } |
45 | #endif |
46 | #endif |
47 | |
48 | |
49 | private: |
50 | VclReferenceBase(const VclReferenceBase&) = delete; |
51 | VclReferenceBase& operator=(const VclReferenceBase&) = delete; |
52 | |
53 | bool mbDisposed : 1; |
54 | |
55 | protected: |
56 | VclReferenceBase(); |
57 | protected: |
58 | virtual ~VclReferenceBase(); |
59 | |
60 | protected: |
61 | virtual void dispose(); |
62 | |
63 | public: |
64 | void disposeOnce(); |
65 | bool isDisposed() const { return mbDisposed; } |
66 | |
67 | }; |
68 | #endif |