File: | home/maarten/src/libreoffice/core/include/rtl/ref.hxx |
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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 <hintids.hxx> | |||
21 | ||||
22 | #include <cmdid.h> | |||
23 | #include <docsh.hxx> | |||
24 | #include <swmodule.hxx> | |||
25 | #include <view.hxx> | |||
26 | #include <wrtsh.hxx> | |||
27 | #include <strings.hrc> | |||
28 | ||||
29 | #include <vcl/metric.hxx> | |||
30 | #include <vcl/settings.hxx> | |||
31 | ||||
32 | #include <rtl/ustrbuf.hxx> | |||
33 | #include <svl/stritem.hxx> | |||
34 | #include <editeng/fontitem.hxx> | |||
35 | #include <sfx2/dialoghelper.hxx> | |||
36 | #include <sfx2/htmlmode.hxx> | |||
37 | #include <sfx2/objsh.hxx> | |||
38 | #include <sfx2/printer.hxx> | |||
39 | #include <svtools/unitconv.hxx> | |||
40 | #include <vcl/print.hxx> | |||
41 | #include <vcl/svapp.hxx> | |||
42 | #include <com/sun/star/i18n/BreakIterator.hpp> | |||
43 | #include <com/sun/star/i18n/ScriptType.hpp> | |||
44 | #include <comphelper/processfactory.hxx> | |||
45 | ||||
46 | #include <charatr.hxx> | |||
47 | #include <viewopt.hxx> | |||
48 | #include <drpcps.hxx> | |||
49 | #include <paratr.hxx> | |||
50 | #include <uitool.hxx> | |||
51 | #include <charfmt.hxx> | |||
52 | ||||
53 | using namespace css; | |||
54 | using namespace css::uno; | |||
55 | using namespace css::lang; | |||
56 | ||||
57 | const sal_uInt16 SwDropCapsPage::aPageRg[] = { | |||
58 | RES_PARATR_DROP, RES_PARATR_DROP, | |||
59 | 0 | |||
60 | }; | |||
61 | ||||
62 | void SwDropCapsPict::SetText( const OUString& rT ) | |||
63 | { | |||
64 | maText = rT; | |||
65 | UpdatePaintSettings(); | |||
66 | } | |||
67 | ||||
68 | void SwDropCapsPict::SetDrawingArea(weld::DrawingArea* pDrawingArea) | |||
69 | { | |||
70 | CustomWidgetController::SetDrawingArea(pDrawingArea); | |||
71 | Size aPrefSize(getParagraphPreviewOptimalSize(pDrawingArea->get_ref_device())); | |||
72 | pDrawingArea->set_size_request(aPrefSize.Width(), aPrefSize.Height()); | |||
73 | } | |||
74 | ||||
75 | void SwDropCapsPict::Resize() | |||
76 | { | |||
77 | CustomWidgetController::Resize(); | |||
78 | UpdatePaintSettings(); | |||
79 | } | |||
80 | ||||
81 | void SwDropCapsPict::SetLines( sal_uInt8 nL ) | |||
82 | { | |||
83 | mnLines = nL; | |||
84 | UpdatePaintSettings(); | |||
85 | } | |||
86 | ||||
87 | void SwDropCapsPict::SetDistance( sal_uInt16 nD ) | |||
88 | { | |||
89 | mnDistance = nD; | |||
90 | UpdatePaintSettings(); | |||
91 | } | |||
92 | ||||
93 | void SwDropCapsPict::SetValues( const OUString& rText, sal_uInt8 nLines, sal_uInt16 nDistance ) | |||
94 | { | |||
95 | maText = rText; | |||
96 | mnLines = nLines; | |||
97 | mnDistance = nDistance; | |||
98 | ||||
99 | UpdatePaintSettings(); | |||
100 | } | |||
101 | ||||
102 | void SwDropCapsPict::InitPrinter() | |||
103 | { | |||
104 | if( !mpPrinter ) | |||
105 | InitPrinter_(); | |||
106 | } | |||
107 | ||||
108 | // Create Default-String from character-count (A, AB, ABC, ...) | |||
109 | static OUString GetDefaultString(sal_Int32 nChars) | |||
110 | { | |||
111 | OUStringBuffer aStr(nChars); | |||
112 | for (sal_Int32 i = 0; i < nChars; i++) | |||
113 | aStr.append(static_cast<sal_Unicode>(i + 65)); | |||
114 | return aStr.makeStringAndClear(); | |||
115 | } | |||
116 | ||||
117 | static void calcFontHeightAnyAscent(vcl::RenderContext& rWin, vcl::Font const & _rFont, long& _nHeight, long& _nAscent) | |||
118 | { | |||
119 | if ( !_nHeight ) | |||
120 | { | |||
121 | rWin.Push(PushFlags::FONT); | |||
122 | rWin.SetFont(_rFont); | |||
123 | FontMetric aMetric(rWin.GetFontMetric()); | |||
124 | _nHeight = aMetric.GetLineHeight(); | |||
125 | _nAscent = aMetric.GetAscent(); | |||
126 | rWin.Pop(); | |||
127 | } | |||
128 | } | |||
129 | ||||
130 | SwDropCapsPict::~SwDropCapsPict() | |||
131 | { | |||
132 | if (mbDelPrinter) | |||
133 | mpPrinter.disposeAndClear(); | |||
134 | } | |||
135 | ||||
136 | /// Get the details of the first script change. | |||
137 | /// @param[out] start The character position of the start of the segment. | |||
138 | /// @param[out] end The character position of the end of the segment. | |||
139 | /// @param[out] scriptType The script type (Latin, Asian, Complex etc.) | |||
140 | void SwDropCapsPict::GetFirstScriptSegment(sal_Int32 &start, sal_Int32 &end, sal_uInt16 &scriptType) | |||
141 | { | |||
142 | start = 0; | |||
143 | if( maScriptChanges.empty() ) | |||
144 | { | |||
145 | end = maText.getLength(); | |||
146 | scriptType = css::i18n::ScriptType::LATIN; | |||
147 | } | |||
148 | else | |||
149 | { | |||
150 | end = maScriptChanges[ 0 ].changePos; | |||
151 | scriptType = maScriptChanges[ 0 ].scriptType; | |||
152 | } | |||
153 | } | |||
154 | ||||
155 | /// Get the details of the first script change. | |||
156 | /// @param[in,out] nIdx Index of the current script change. | |||
157 | /// @param[out] start The character position of the start of the segment. | |||
158 | /// @param[in,out] end The character position of the end of the segment. | |||
159 | /// @param[out] scriptType The script type (Latin, Asian, Complex etc.) | |||
160 | /// @returns True if there was a next segment, false if not. | |||
161 | bool SwDropCapsPict::GetNextScriptSegment(size_t &nIdx, sal_Int32 &start, sal_Int32 &end, sal_uInt16 &scriptType) | |||
162 | { | |||
163 | if (maScriptChanges.empty() || nIdx >= maScriptChanges.size() - 1 || end >= maText.getLength()) | |||
164 | return false; | |||
165 | start = maScriptChanges[nIdx++].changePos; | |||
166 | end = maScriptChanges[ nIdx ].changePos; | |||
167 | scriptType = maScriptChanges[ nIdx ].scriptType; | |||
168 | return true; | |||
169 | } | |||
170 | ||||
171 | #define LINES10 10 | |||
172 | #define BORDER2 2 | |||
173 | ||||
174 | void SwDropCapsPict::GetFontSettings( const SwDropCapsPage& _rPage, vcl::Font& _rFont, sal_uInt16 _nWhich ) | |||
175 | { | |||
176 | SfxItemSet aSet( _rPage.rSh.GetAttrPool(), {{_nWhich, _nWhich}}); | |||
177 | _rPage.rSh.GetCurAttr(aSet); | |||
178 | SvxFontItem aFormatFont(static_cast<const SvxFontItem &>( aSet.Get(_nWhich))); | |||
179 | ||||
180 | _rFont.SetFamily(aFormatFont.GetFamily()); | |||
181 | _rFont.SetFamilyName(aFormatFont.GetFamilyName()); | |||
182 | _rFont.SetPitch(aFormatFont.GetPitch()); | |||
183 | _rFont.SetCharSet(aFormatFont.GetCharSet()); | |||
184 | } | |||
185 | ||||
186 | void SwDropCapsPict::UpdatePaintSettings() | |||
187 | { | |||
188 | maBackColor = Application::GetSettings().GetStyleSettings().GetWindowColor(); | |||
189 | maTextLineColor = COL_LIGHTGRAY; | |||
190 | ||||
191 | // gray lines | |||
192 | mnTotLineH = (GetOutputSizePixel().Height() - 2 * BORDER2) / LINES10; | |||
193 | mnLineH = mnTotLineH - 2; | |||
194 | ||||
195 | vcl::Font aFont; | |||
196 | if (mpPage) | |||
197 | { | |||
198 | // tdf#135244: preview generation should not jump document view | |||
199 | auto aLock(mpPage->rSh.GetView().GetDocShell()->LockAllViews()); | |||
200 | ||||
201 | if (!mpPage->m_xTemplateBox->get_active()) | |||
202 | { | |||
203 | // query the Font at paragraph's beginning | |||
204 | mpPage->rSh.Push(); | |||
205 | mpPage->rSh.SttCursorMove(); | |||
206 | mpPage->rSh.ClearMark(); | |||
207 | SwWhichPara pSwuifnParaCurr = GoCurrPara; | |||
208 | SwMoveFnCollection const & pSwuifnParaStart = fnParaStart; | |||
209 | mpPage->rSh.MovePara(pSwuifnParaCurr,pSwuifnParaStart); | |||
210 | // normal | |||
211 | GetFontSettings( *mpPage, aFont, RES_CHRATR_FONT ); | |||
212 | ||||
213 | // CJK | |||
214 | GetFontSettings( *mpPage, maCJKFont, RES_CHRATR_CJK_FONT ); | |||
215 | ||||
216 | // CTL | |||
217 | GetFontSettings( *mpPage, maCTLFont, RES_CHRATR_CTL_FONT ); | |||
218 | ||||
219 | mpPage->rSh.EndCursorMove(); | |||
220 | mpPage->rSh.Pop(SwCursorShell::PopMode::DeleteCurrent); | |||
221 | } | |||
222 | else | |||
223 | { | |||
224 | // query Font at character template | |||
225 | SwCharFormat *pFormat = mpPage->rSh.GetCharStyle( | |||
226 | mpPage->m_xTemplateBox->get_active_text(), | |||
227 | SwWrtShell::GETSTYLE_CREATEANY ); | |||
228 | OSL_ENSURE(pFormat, "character style doesn't exist!")do { if (true && (!(pFormat))) { sal_detail_logFormat ((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/ui/chrdlg/drpcps.cxx" ":" "228" ": "), "%s", "character style doesn't exist!"); } } while (false); | |||
229 | const SvxFontItem &rFormatFont = pFormat->GetFont(); | |||
230 | ||||
231 | aFont.SetFamily(rFormatFont.GetFamily()); | |||
232 | aFont.SetFamilyName(rFormatFont.GetFamilyName()); | |||
233 | aFont.SetPitch(rFormatFont.GetPitch()); | |||
234 | aFont.SetCharSet(rFormatFont.GetCharSet()); | |||
235 | } | |||
236 | } | |||
237 | ||||
238 | mnTextH = mnLines * mnTotLineH; | |||
239 | aFont.SetFontSize(Size(0, mnTextH)); | |||
240 | maCJKFont.SetFontSize(Size(0, mnTextH)); | |||
241 | maCTLFont.SetFontSize(Size(0, mnTextH)); | |||
242 | ||||
243 | aFont.SetTransparent(true); | |||
244 | maCJKFont.SetTransparent(true); | |||
245 | maCTLFont.SetTransparent(true); | |||
246 | ||||
247 | aFont.SetColor( SwViewOption::GetFontColor() ); | |||
248 | maCJKFont.SetColor( SwViewOption::GetFontColor() ); | |||
249 | maCTLFont.SetColor( SwViewOption::GetFontColor() ); | |||
250 | ||||
251 | aFont.SetFillColor(Application::GetSettings().GetStyleSettings().GetWindowColor()); | |||
252 | maCJKFont.SetFillColor(Application::GetSettings().GetStyleSettings().GetWindowColor()); | |||
253 | maCTLFont.SetFillColor(Application::GetSettings().GetStyleSettings().GetWindowColor()); | |||
254 | ||||
255 | maCJKFont.SetFontSize(Size(0, maCJKFont.GetFontSize().Height())); | |||
256 | maCTLFont.SetFontSize(Size(0, maCTLFont.GetFontSize().Height())); | |||
257 | ||||
258 | aFont.SetFontSize(Size(0, aFont.GetFontSize().Height())); | |||
259 | maFont = aFont; | |||
260 | ||||
261 | CheckScript(); | |||
262 | ||||
263 | maTextSize = CalcTextSize(); | |||
264 | ||||
265 | Invalidate(); | |||
266 | } | |||
267 | ||||
268 | void SwDropCapsPict::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/) | |||
269 | { | |||
270 | if (!IsVisible()) | |||
271 | return; | |||
272 | ||||
273 | rRenderContext.SetMapMode(MapMode(MapUnit::MapPixel)); | |||
274 | rRenderContext.SetLineColor(); | |||
275 | ||||
276 | rRenderContext.SetFillColor(maBackColor); | |||
277 | ||||
278 | Size aOutputSizePixel(GetOutputSizePixel()); | |||
279 | ||||
280 | rRenderContext.DrawRect(tools::Rectangle(Point(0, 0), aOutputSizePixel)); | |||
281 | rRenderContext.SetClipRegion(vcl::Region(tools::Rectangle(Point(BORDER2, BORDER2), | |||
282 | Size(aOutputSizePixel.Width () - 2 * BORDER2, | |||
283 | aOutputSizePixel.Height() - 2 * BORDER2)))); | |||
284 | ||||
285 | OSL_ENSURE(mnLineH > 0, "We cannot make it that small")do { if (true && (!(mnLineH > 0))) { sal_detail_logFormat ((SAL_DETAIL_LOG_LEVEL_WARN), ("legacy.osl"), ("/home/maarten/src/libreoffice/core/sw/source/ui/chrdlg/drpcps.cxx" ":" "285" ": "), "%s", "We cannot make it that small"); } } while (false); | |||
286 | long nY0 = (aOutputSizePixel.Height() - (LINES10 * mnTotLineH)) / 2; | |||
287 | ||||
288 | rRenderContext.SetFillColor(maTextLineColor); | |||
289 | ||||
290 | for (int i = 0; i < LINES10; ++i) | |||
291 | { | |||
292 | rRenderContext.DrawRect(tools::Rectangle(Point(BORDER2, nY0 + i * mnTotLineH), | |||
293 | Size(aOutputSizePixel.Width() - 2 * BORDER2, mnLineH))); | |||
294 | } | |||
295 | ||||
296 | // Text background with gap (240 twips ~ 1 line height) | |||
297 | const long nDistW = (((static_cast<long>(mnDistance) * 100) / 240) * mnTotLineH) / 100; | |||
298 | rRenderContext.SetFillColor(maBackColor); | |||
299 | if (mpPage && mpPage->m_xDropCapsBox->get_active()) | |||
300 | { | |||
301 | const Size aTextSize(maTextSize.Width() + nDistW, maTextSize.Height()); | |||
302 | rRenderContext.DrawRect(tools::Rectangle(Point(BORDER2, nY0), aTextSize)); | |||
303 | ||||
304 | // draw Text | |||
305 | DrawPrev(rRenderContext, Point(BORDER2, nY0)); | |||
306 | } | |||
307 | rRenderContext.SetClipRegion(); | |||
308 | } | |||
309 | ||||
310 | void SwDropCapsPict::DrawPrev(vcl::RenderContext& rRenderContext, const Point& rPt) | |||
311 | { | |||
312 | Point aPt(rPt); | |||
313 | InitPrinter(); | |||
314 | ||||
315 | vcl::Font aOldFont = mpPrinter->GetFont(); | |||
316 | sal_uInt16 nScript; | |||
317 | size_t nIdx = 0; | |||
318 | sal_Int32 nStart; | |||
319 | sal_Int32 nEnd; | |||
320 | ||||
321 | GetFirstScriptSegment(nStart, nEnd, nScript); | |||
322 | ||||
323 | do | |||
324 | { | |||
325 | SvxFont& rFnt = (nScript == css::i18n::ScriptType::ASIAN) | |||
326 | ? maCJKFont | |||
327 | : ((nScript == css::i18n::ScriptType::COMPLEX) | |||
328 | ? maCTLFont | |||
329 | : maFont); | |||
330 | mpPrinter->SetFont(rFnt); | |||
331 | ||||
332 | rFnt.DrawPrev(&rRenderContext, mpPrinter, aPt, maText, nStart, nEnd - nStart); | |||
333 | ||||
334 | if (!maScriptChanges.empty()) | |||
335 | aPt.AdjustX(maScriptChanges[nIdx].textWidth ); | |||
336 | ||||
337 | if (!GetNextScriptSegment(nIdx, nStart, nEnd, nScript)) | |||
338 | break; | |||
339 | } | |||
340 | while(true); | |||
341 | ||||
342 | mpPrinter->SetFont(aOldFont); | |||
343 | } | |||
344 | ||||
345 | void SwDropCapsPict::CheckScript() | |||
346 | { | |||
347 | if( maScriptText == maText ) | |||
348 | return; | |||
349 | ||||
350 | maScriptText = maText; | |||
351 | maScriptChanges.clear(); | |||
352 | if( !xBreak.is() ) | |||
353 | { | |||
354 | Reference< XComponentContext > xContext = ::comphelper::getProcessComponentContext(); | |||
355 | xBreak = css::i18n::BreakIterator::create(xContext); | |||
356 | } | |||
357 | sal_Int16 nScript = xBreak->getScriptType( maText, 0 ); | |||
358 | sal_Int32 nChg = 0; | |||
359 | if( css::i18n::ScriptType::WEAK == nScript ) | |||
360 | { | |||
361 | nChg = xBreak->endOfScript( maText, nChg, nScript ); | |||
362 | if( nChg < maText.getLength() ) | |||
363 | nScript = xBreak->getScriptType( maText, nChg ); | |||
364 | else | |||
365 | nScript = css::i18n::ScriptType::LATIN; | |||
366 | } | |||
367 | ||||
368 | for(;;) | |||
369 | { | |||
370 | nChg = xBreak->endOfScript( maText, nChg, nScript ); | |||
371 | maScriptChanges.emplace_back(nScript, nChg ); | |||
372 | if( nChg >= maText.getLength() || nChg < 0 ) | |||
373 | break; | |||
374 | nScript = xBreak->getScriptType( maText, nChg ); | |||
375 | } | |||
376 | } | |||
377 | ||||
378 | Size SwDropCapsPict::CalcTextSize() | |||
379 | { | |||
380 | InitPrinter(); | |||
381 | ||||
382 | sal_uInt16 nScript; | |||
383 | size_t nIdx = 0; | |||
384 | sal_Int32 nStart; | |||
385 | sal_Int32 nEnd; | |||
386 | GetFirstScriptSegment(nStart, nEnd, nScript); | |||
387 | long nTextWidth = 0; | |||
388 | long nCJKHeight = 0; | |||
389 | long nCTLHeight = 0; | |||
390 | long nHeight = 0; | |||
391 | long nAscent = 0; | |||
392 | long nCJKAscent = 0; | |||
393 | long nCTLAscent = 0; | |||
394 | do | |||
395 | { | |||
396 | SvxFont& rFnt = (nScript == css::i18n::ScriptType::ASIAN) | |||
397 | ? maCJKFont | |||
398 | : ((nScript == css::i18n::ScriptType::COMPLEX) | |||
399 | ? maCTLFont | |||
400 | : maFont); | |||
401 | ||||
402 | sal_uLong nWidth = rFnt.GetTextSize(mpPrinter, maText, nStart, nEnd-nStart ).Width(); | |||
403 | ||||
404 | if (nIdx < maScriptChanges.size()) | |||
405 | maScriptChanges[nIdx].textWidth = nWidth; | |||
406 | nTextWidth += nWidth; | |||
407 | switch(nScript) | |||
408 | { | |||
409 | case css::i18n::ScriptType::ASIAN: | |||
410 | calcFontHeightAnyAscent(GetDrawingArea()->get_ref_device(), maCJKFont, nCJKHeight, nCJKAscent); | |||
411 | break; | |||
412 | case css::i18n::ScriptType::COMPLEX: | |||
413 | calcFontHeightAnyAscent(GetDrawingArea()->get_ref_device(), maCTLFont, nCTLHeight, nCTLAscent); | |||
414 | break; | |||
415 | default: | |||
416 | calcFontHeightAnyAscent(GetDrawingArea()->get_ref_device(), maFont, nHeight, nAscent); | |||
417 | } | |||
418 | ||||
419 | if (!GetNextScriptSegment(nIdx, nStart, nEnd, nScript)) | |||
420 | break; | |||
421 | } | |||
422 | while(true); | |||
423 | ||||
424 | nHeight -= nAscent; | |||
425 | nCJKHeight -= nCJKAscent; | |||
426 | nCTLHeight -= nCTLAscent; | |||
427 | if (nHeight < nCJKHeight) | |||
428 | nHeight = nCJKHeight; | |||
429 | if (nAscent < nCJKAscent) | |||
430 | nAscent = nCJKAscent; | |||
431 | if (nHeight < nCTLHeight) | |||
432 | nHeight = nCTLHeight; | |||
433 | if (nAscent < nCTLAscent) | |||
434 | nAscent = nCTLAscent; | |||
435 | nHeight += nAscent; | |||
436 | ||||
437 | Size aTextSize(nTextWidth, nHeight); | |||
438 | return aTextSize; | |||
439 | } | |||
440 | ||||
441 | void SwDropCapsPict::InitPrinter_() | |||
442 | { | |||
443 | SfxViewShell* pSh = SfxViewShell::Current(); | |||
444 | ||||
445 | if (pSh) | |||
446 | mpPrinter = pSh->GetPrinter(); | |||
447 | ||||
448 | if (!mpPrinter) | |||
449 | { | |||
450 | mpPrinter = VclPtr<Printer>::Create(); | |||
451 | mbDelPrinter = true; | |||
452 | } | |||
453 | } | |||
454 | ||||
455 | SwDropCapsDlg::SwDropCapsDlg(weld::Window *pParent, const SfxItemSet &rSet) | |||
456 | : SfxSingleTabDialogController(pParent, &rSet) | |||
457 | { | |||
458 | auto xNewPage(SwDropCapsPage::Create(get_content_area(), this, &rSet)); | |||
459 | static_cast<SwDropCapsPage*>(xNewPage.get())->SetFormat(false); | |||
460 | SetTabPage(std::move(xNewPage)); | |||
461 | } | |||
462 | ||||
463 | SwDropCapsPage::SwDropCapsPage(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet &rSet) | |||
464 | : SfxTabPage(pPage, pController, "modules/swriter/ui/dropcapspage.ui", "DropCapPage", &rSet) | |||
465 | , bModified(false) | |||
466 | , bFormat(true) | |||
467 | , rSh(::GetActiveView()->GetWrtShell()) | |||
468 | , m_xDropCapsBox(m_xBuilder->weld_check_button("checkCB_SWITCH")) | |||
469 | , m_xWholeWordCB(m_xBuilder->weld_check_button("checkCB_WORD")) | |||
470 | , m_xSwitchText(m_xBuilder->weld_label("labelFT_DROPCAPS")) | |||
471 | , m_xDropCapsField(m_xBuilder->weld_spin_button("spinFLD_DROPCAPS")) | |||
472 | , m_xLinesText(m_xBuilder->weld_label("labelTXT_LINES")) | |||
473 | , m_xLinesField(m_xBuilder->weld_spin_button("spinFLD_LINES")) | |||
474 | , m_xDistanceText(m_xBuilder->weld_label("labelTXT_DISTANCE")) | |||
475 | , m_xDistanceField(m_xBuilder->weld_metric_spin_button("spinFLD_DISTANCE", FieldUnit::CM)) | |||
476 | , m_xTextText(m_xBuilder->weld_label("labelTXT_TEXT")) | |||
477 | , m_xTextEdit(m_xBuilder->weld_entry("entryEDT_TEXT")) | |||
478 | , m_xTemplateText(m_xBuilder->weld_label("labelTXT_TEMPLATE")) | |||
479 | , m_xTemplateBox(m_xBuilder->weld_combo_box("comboBOX_TEMPLATE")) | |||
480 | , m_xPict(new weld::CustomWeld(*m_xBuilder, "drawingareaWN_EXAMPLE", m_aPict)) | |||
481 | { | |||
482 | m_aPict.SetDropCapsPage(this); | |||
483 | ||||
484 | SetExchangeSupport(); | |||
485 | ||||
486 | const sal_uInt16 nHtmlMode = ::GetHtmlMode(static_cast<const SwDocShell*>(SfxObjectShell::Current())); | |||
487 | bHtmlMode = (nHtmlMode & HTMLMODE_ON) != 0; | |||
488 | ||||
489 | // tdf#92154 limit comboBOX_TEMPLATE length | |||
490 | const int nMaxWidth(m_xTemplateBox->get_approximate_digit_width() * 50); | |||
491 | m_xTemplateBox->set_size_request(nMaxWidth , -1); | |||
492 | ||||
493 | // In the template dialog the text is not influenceable | |||
494 | m_xTextText->set_sensitive(!bFormat); | |||
495 | m_xTextEdit->set_sensitive(!bFormat); | |||
496 | ||||
497 | // Metrics | |||
498 | SetFieldUnit(*m_xDistanceField, GetDfltMetric(bHtmlMode)); | |||
499 | ||||
500 | // Install handler | |||
501 | Link<weld::SpinButton&,void> aValueChangedLk = LINK(this, SwDropCapsPage, ValueChangedHdl)::tools::detail::makeLink( ::tools::detail::castTo<SwDropCapsPage *>(this), &SwDropCapsPage::LinkStubValueChangedHdl); | |||
502 | m_xDropCapsField->connect_value_changed(aValueChangedLk); | |||
503 | m_xLinesField->connect_value_changed(aValueChangedLk); | |||
504 | Link<weld::MetricSpinButton&,void> aMetricValueChangedLk = LINK(this, SwDropCapsPage, MetricValueChangedHdl)::tools::detail::makeLink( ::tools::detail::castTo<SwDropCapsPage *>(this), &SwDropCapsPage::LinkStubMetricValueChangedHdl ); | |||
505 | m_xDistanceField->connect_value_changed(aMetricValueChangedLk); | |||
506 | m_xTextEdit->connect_changed(LINK(this, SwDropCapsPage, ModifyHdl)::tools::detail::makeLink( ::tools::detail::castTo<SwDropCapsPage *>(this), &SwDropCapsPage::LinkStubModifyHdl)); | |||
507 | m_xDropCapsBox->connect_toggled(LINK(this, SwDropCapsPage, ClickHdl)::tools::detail::makeLink( ::tools::detail::castTo<SwDropCapsPage *>(this), &SwDropCapsPage::LinkStubClickHdl)); | |||
508 | m_xTemplateBox->connect_changed(LINK(this, SwDropCapsPage, SelectHdl)::tools::detail::makeLink( ::tools::detail::castTo<SwDropCapsPage *>(this), &SwDropCapsPage::LinkStubSelectHdl)); | |||
509 | m_xWholeWordCB->connect_toggled(LINK(this, SwDropCapsPage, WholeWordHdl)::tools::detail::makeLink( ::tools::detail::castTo<SwDropCapsPage *>(this), &SwDropCapsPage::LinkStubWholeWordHdl)); | |||
510 | } | |||
511 | ||||
512 | SwDropCapsPage::~SwDropCapsPage() | |||
513 | { | |||
514 | } | |||
| ||||
515 | ||||
516 | DeactivateRC SwDropCapsPage::DeactivatePage(SfxItemSet * _pSet) | |||
517 | { | |||
518 | if (_pSet) | |||
519 | FillSet(*_pSet); | |||
520 | ||||
521 | return DeactivateRC::LeavePage; | |||
522 | } | |||
523 | ||||
524 | std::unique_ptr<SfxTabPage> SwDropCapsPage::Create(weld::Container* pPage, weld::DialogController* pController, const SfxItemSet *rSet) | |||
525 | { | |||
526 | return std::make_unique<SwDropCapsPage>(pPage, pController, *rSet); | |||
527 | } | |||
528 | ||||
529 | bool SwDropCapsPage::FillItemSet(SfxItemSet *rSet) | |||
530 | { | |||
531 | if (bModified) | |||
532 | FillSet(*rSet); | |||
533 | return bModified; | |||
534 | } | |||
535 | ||||
536 | void SwDropCapsPage::Reset(const SfxItemSet *rSet) | |||
537 | { | |||
538 | // Characters, lines, gap and text | |||
539 | SwFormatDrop aFormatDrop( rSet->Get(RES_PARATR_DROP) ); | |||
540 | if (aFormatDrop.GetLines() > 1) | |||
541 | { | |||
542 | m_xDropCapsField->set_value(aFormatDrop.GetChars()); | |||
543 | m_xLinesField->set_value(aFormatDrop.GetLines()); | |||
544 | m_xDistanceField->set_value(m_xDistanceField->normalize(aFormatDrop.GetDistance()), FieldUnit::TWIP); | |||
545 | m_xWholeWordCB->set_active(aFormatDrop.GetWholeWord()); | |||
546 | } | |||
547 | else | |||
548 | { | |||
549 | m_xDropCapsField->set_value(1); | |||
550 | m_xLinesField->set_value(3); | |||
551 | m_xDistanceField->set_value(0, FieldUnit::TWIP); | |||
552 | } | |||
553 | ||||
554 | ::FillCharStyleListBox(*m_xTemplateBox, rSh.GetView().GetDocShell(), true); | |||
555 | ||||
556 | m_xTemplateBox->insert_text(0, SwResId(SW_STR_NONEreinterpret_cast<char const *>("SW_STR_NONE" "\004" u8"[None]" ))); | |||
557 | ||||
558 | // Reset format | |||
559 | int nSelect = 0; | |||
560 | if (aFormatDrop.GetCharFormat()) | |||
561 | { | |||
562 | int nPos = m_xTemplateBox->find_text(aFormatDrop.GetCharFormat()->GetName()); | |||
563 | if (nPos != -1) | |||
564 | nSelect = nPos; | |||
565 | } | |||
566 | m_xTemplateBox->set_active(nSelect); | |||
567 | ||||
568 | // Enable controls | |||
569 | m_xDropCapsBox->set_active(aFormatDrop.GetLines() > 1); | |||
570 | const sal_Int32 nVal = m_xDropCapsField->get_value(); | |||
571 | if (bFormat) | |||
572 | m_xTextEdit->set_text(GetDefaultString(nVal)); | |||
573 | else | |||
574 | { | |||
575 | m_xTextEdit->set_text(rSh.GetDropText(nVal)); | |||
576 | m_xTextEdit->set_sensitive(true); | |||
577 | m_xTextText->set_sensitive(true); | |||
578 | } | |||
579 | ||||
580 | // Preview | |||
581 | m_aPict.SetValues(m_xTextEdit->get_text(), | |||
582 | sal_uInt8(m_xLinesField->get_value()), | |||
583 | sal_uInt16(m_xDistanceField->denormalize(m_xDistanceField->get_value(FieldUnit::TWIP)))); | |||
584 | ||||
585 | ClickHdl(*m_xDropCapsBox); | |||
586 | bModified = false; | |||
587 | } | |||
588 | ||||
589 | IMPL_LINK_NOARG(SwDropCapsPage, ClickHdl, weld::ToggleButton&, void)void SwDropCapsPage::LinkStubClickHdl(void * instance, weld:: ToggleButton& data) { return static_cast<SwDropCapsPage *>(instance)->ClickHdl(data); } void SwDropCapsPage::ClickHdl (__attribute__ ((unused)) weld::ToggleButton&) | |||
590 | { | |||
591 | bool bChecked = m_xDropCapsBox->get_active(); | |||
592 | ||||
593 | m_xWholeWordCB->set_sensitive(bChecked && !bHtmlMode); | |||
594 | ||||
595 | m_xSwitchText->set_sensitive(bChecked && !m_xWholeWordCB->get_active()); | |||
596 | m_xDropCapsField->set_sensitive(bChecked && !m_xWholeWordCB->get_active()); | |||
597 | m_xLinesText->set_sensitive( bChecked ); | |||
598 | m_xLinesField->set_sensitive( bChecked ); | |||
599 | m_xDistanceText->set_sensitive( bChecked ); | |||
600 | m_xDistanceField->set_sensitive( bChecked ); | |||
601 | m_xTemplateText->set_sensitive( bChecked ); | |||
602 | m_xTemplateBox->set_sensitive( bChecked ); | |||
603 | m_xTextEdit->set_sensitive( bChecked && !bFormat ); | |||
604 | m_xTextText->set_sensitive( bChecked && !bFormat ); | |||
605 | ||||
606 | if ( bChecked ) | |||
607 | { | |||
608 | ValueChangedHdl(*m_xDropCapsField); | |||
609 | m_xDropCapsField->grab_focus(); | |||
610 | } | |||
611 | else | |||
612 | m_aPict.SetText(""); | |||
613 | ||||
614 | bModified = true; | |||
615 | } | |||
616 | ||||
617 | IMPL_LINK_NOARG(SwDropCapsPage, WholeWordHdl, weld::ToggleButton&, void)void SwDropCapsPage::LinkStubWholeWordHdl(void * instance, weld ::ToggleButton& data) { return static_cast<SwDropCapsPage *>(instance)->WholeWordHdl(data); } void SwDropCapsPage ::WholeWordHdl(__attribute__ ((unused)) weld::ToggleButton& ) | |||
618 | { | |||
619 | m_xDropCapsField->set_sensitive(!m_xWholeWordCB->get_active()); | |||
620 | m_xSwitchText->set_sensitive(!m_xWholeWordCB->get_active()); | |||
621 | ||||
622 | ValueChangedHdl(*m_xDropCapsField); | |||
623 | ||||
624 | bModified = true; | |||
625 | } | |||
626 | ||||
627 | void SwDropCapsPage::ModifyEntry(weld::Entry& rEdit) | |||
628 | { | |||
629 | OUString sPreview; | |||
630 | ||||
631 | // set text if applicable | |||
632 | if (&rEdit == m_xDropCapsField.get()) | |||
633 | { | |||
634 | const sal_Int32 nVal = !m_xWholeWordCB->get_active() | |||
635 | ? static_cast<sal_Int32>(m_xDropCapsField->get_value()) | |||
636 | : 0; | |||
637 | bool bSetText = false; | |||
638 | ||||
639 | if (bFormat || rSh.GetDropText(1).isEmpty()) | |||
640 | sPreview = GetDefaultString(nVal); | |||
641 | else | |||
642 | { | |||
643 | bSetText = true; | |||
644 | sPreview = rSh.GetDropText(nVal); | |||
645 | } | |||
646 | ||||
647 | OUString sEdit(m_xTextEdit->get_text()); | |||
648 | ||||
649 | if (!sEdit.isEmpty() && !sPreview.startsWith(sEdit)) | |||
650 | { | |||
651 | sPreview = sEdit.copy(0, std::min(sEdit.getLength(), sPreview.getLength())); | |||
652 | bSetText = false; | |||
653 | } | |||
654 | ||||
655 | if (bSetText) | |||
656 | m_xTextEdit->set_text(sPreview); | |||
657 | } | |||
658 | else if (&rEdit == m_xTextEdit.get()) // set quantity if applicable | |||
659 | { | |||
660 | const sal_Int32 nTmp = m_xTextEdit->get_text().getLength(); | |||
661 | m_xDropCapsField->set_value(std::max<sal_Int32>(1, nTmp)); | |||
662 | sPreview = m_xTextEdit->get_text(); | |||
663 | } | |||
664 | ||||
665 | // adjust image | |||
666 | if (&rEdit == m_xDropCapsField.get() || &rEdit == m_xTextEdit.get()) | |||
667 | m_aPict.SetText(sPreview); | |||
668 | else if (&rEdit == m_xLinesField.get()) | |||
669 | m_aPict.SetLines(static_cast<sal_uInt8>(m_xLinesField->get_value())); | |||
670 | else | |||
671 | m_aPict.SetDistance(static_cast<sal_uInt16>(m_xDistanceField->denormalize(m_xDistanceField->get_value(FieldUnit::TWIP)))); | |||
672 | ||||
673 | bModified = true; | |||
674 | } | |||
675 | ||||
676 | IMPL_LINK(SwDropCapsPage, ModifyHdl, weld::Entry&, rEdit, void)void SwDropCapsPage::LinkStubModifyHdl(void * instance, weld:: Entry& data) { return static_cast<SwDropCapsPage *> (instance)->ModifyHdl(data); } void SwDropCapsPage::ModifyHdl (weld::Entry& rEdit) | |||
677 | { | |||
678 | ModifyEntry(rEdit); | |||
679 | } | |||
680 | ||||
681 | IMPL_LINK(SwDropCapsPage, ValueChangedHdl, weld::SpinButton&, rEdit, void)void SwDropCapsPage::LinkStubValueChangedHdl(void * instance, weld::SpinButton& data) { return static_cast<SwDropCapsPage *>(instance)->ValueChangedHdl(data); } void SwDropCapsPage ::ValueChangedHdl(weld::SpinButton& rEdit) | |||
682 | { | |||
683 | ModifyEntry(rEdit); | |||
684 | } | |||
685 | ||||
686 | IMPL_LINK(SwDropCapsPage, MetricValueChangedHdl, weld::MetricSpinButton&, rEdit, void)void SwDropCapsPage::LinkStubMetricValueChangedHdl(void * instance , weld::MetricSpinButton& data) { return static_cast<SwDropCapsPage *>(instance)->MetricValueChangedHdl(data); } void SwDropCapsPage ::MetricValueChangedHdl(weld::MetricSpinButton& rEdit) | |||
687 | { | |||
688 | ModifyEntry(rEdit.get_widget()); | |||
689 | } | |||
690 | ||||
691 | IMPL_LINK_NOARG(SwDropCapsPage, SelectHdl, weld::ComboBox&, void)void SwDropCapsPage::LinkStubSelectHdl(void * instance, weld:: ComboBox& data) { return static_cast<SwDropCapsPage *> (instance)->SelectHdl(data); } void SwDropCapsPage::SelectHdl (__attribute__ ((unused)) weld::ComboBox&) | |||
692 | { | |||
693 | m_aPict.UpdatePaintSettings(); | |||
694 | bModified = true; | |||
695 | } | |||
696 | ||||
697 | void SwDropCapsPage::FillSet( SfxItemSet &rSet ) | |||
698 | { | |||
699 | if(!bModified) | |||
700 | return; | |||
701 | ||||
702 | SwFormatDrop aFormat; | |||
703 | ||||
704 | bool bOn = m_xDropCapsBox->get_active(); | |||
705 | if (bOn) | |||
706 | { | |||
707 | // quantity, lines, gap | |||
708 | aFormat.GetChars() = static_cast<sal_uInt8>(m_xDropCapsField->get_value()); | |||
709 | aFormat.GetLines() = static_cast<sal_uInt8>(m_xLinesField->get_value()); | |||
710 | aFormat.GetDistance() = static_cast<sal_uInt16>(m_xDistanceField->denormalize(m_xDistanceField->get_value(FieldUnit::TWIP))); | |||
711 | aFormat.GetWholeWord() = m_xWholeWordCB->get_active(); | |||
712 | ||||
713 | // template | |||
714 | if (m_xTemplateBox->get_active()) | |||
715 | aFormat.SetCharFormat(rSh.GetCharStyle(m_xTemplateBox->get_active_text())); | |||
716 | } | |||
717 | else | |||
718 | { | |||
719 | aFormat.GetChars() = 1; | |||
720 | aFormat.GetLines() = 1; | |||
721 | aFormat.GetDistance() = 0; | |||
722 | } | |||
723 | ||||
724 | // set attributes | |||
725 | const SfxPoolItem* pOldItem; | |||
726 | if (nullptr == (pOldItem = GetOldItem(rSet, FN_FORMAT_DROPCAPS((20000 + 400) + 54))) || aFormat != *pOldItem) | |||
727 | rSet.Put(aFormat); | |||
728 | ||||
729 | // hard text formatting | |||
730 | // Bug 24974: in designer/template catalog this doesn't make sense!! | |||
731 | if (!bFormat && m_xDropCapsBox->get_active()) | |||
732 | { | |||
733 | OUString sText(m_xTextEdit->get_text()); | |||
734 | ||||
735 | if (!m_xWholeWordCB->get_active()) | |||
736 | { | |||
737 | sText = sText.copy(0, std::min<sal_Int32>(sText.getLength(), m_xDropCapsField->get_value())); | |||
738 | } | |||
739 | ||||
740 | SfxStringItem aStr(FN_PARAM_1((20000 + 1100)+60), sText); | |||
741 | rSet.Put(aStr); | |||
742 | } | |||
743 | } | |||
744 | ||||
745 | /* 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 | |||||||||
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 | #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 |