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 | ||||
10 | #include <bitmaps.hlst> | |||
11 | ||||
12 | #include <cmdid.h> | |||
13 | #include <cntfrm.hxx> | |||
14 | #include <txtfrm.hxx> | |||
15 | #include <notxtfrm.hxx> | |||
16 | #include <ndtxt.hxx> | |||
17 | #include <DashedLine.hxx> | |||
18 | #include <doc.hxx> | |||
19 | #include <edtwin.hxx> | |||
20 | #include <fmtpdsc.hxx> | |||
21 | #include <IDocumentUndoRedo.hxx> | |||
22 | #include <IDocumentContentOperations.hxx> | |||
23 | #include <PageBreakWin.hxx> | |||
24 | #include <pagefrm.hxx> | |||
25 | #include <PostItMgr.hxx> | |||
26 | #include <FrameControlsManager.hxx> | |||
27 | #include <uiitems.hxx> | |||
28 | #include <view.hxx> | |||
29 | #include <viewopt.hxx> | |||
30 | #include <wrtsh.hxx> | |||
31 | ||||
32 | #include <basegfx/color/bcolortools.hxx> | |||
33 | #include <basegfx/polygon/b2dpolygon.hxx> | |||
34 | #include <basegfx/polygon/b2dpolygontools.hxx> | |||
35 | #include <basegfx/range/b2drectangle.hxx> | |||
36 | #include <drawinglayer/primitive2d/discretebitmapprimitive2d.hxx> | |||
37 | #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx> | |||
38 | #include <drawinglayer/primitive2d/polygonprimitive2d.hxx> | |||
39 | #include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx> | |||
40 | #include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx> | |||
41 | #include <drawinglayer/processor2d/baseprocessor2d.hxx> | |||
42 | #include <drawinglayer/processor2d/processorfromoutputdevice.hxx> | |||
43 | #include <editeng/formatbreakitem.hxx> | |||
44 | #include <sfx2/dispatch.hxx> | |||
45 | #include <sfx2/viewfrm.hxx> | |||
46 | #include <svl/stritem.hxx> | |||
47 | #include <vcl/canvastools.hxx> | |||
48 | #include <vcl/event.hxx> | |||
49 | #include <vcl/svapp.hxx> | |||
50 | #include <vcl/settings.hxx> | |||
51 | #include <memory> | |||
52 | ||||
53 | #define BUTTON_WIDTH30 30 | |||
54 | #define BUTTON_HEIGHT19 19 | |||
55 | #define ARROW_WIDTH9 9 | |||
56 | ||||
57 | using namespace basegfx; | |||
58 | using namespace basegfx::utils; | |||
59 | ||||
60 | namespace | |||
61 | { | |||
62 | class SwBreakDashedLine : public SwDashedLine | |||
63 | { | |||
64 | private: | |||
65 | VclPtr<SwPageBreakWin> m_pWin; | |||
66 | ||||
67 | public: | |||
68 | SwBreakDashedLine( vcl::Window* pParent, Color& ( *pColorFn )(), SwPageBreakWin* pWin ) : | |||
69 | SwDashedLine( pParent, pColorFn ), | |||
70 | m_pWin( pWin ) {}; | |||
71 | virtual ~SwBreakDashedLine() override { disposeOnce(); } | |||
72 | virtual void dispose() override { m_pWin.clear(); SwDashedLine::dispose(); } | |||
73 | ||||
74 | virtual void MouseMove( const MouseEvent& rMEvt ) override; | |||
75 | }; | |||
76 | ||||
77 | void SwBreakDashedLine::MouseMove( const MouseEvent& rMEvt ) | |||
78 | { | |||
79 | if ( rMEvt.IsLeaveWindow() ) | |||
80 | { | |||
81 | // don't fade if we just move to the 'button' | |||
82 | Point aEventPos( GetPosPixel() + rMEvt.GetPosPixel() ); | |||
83 | if ( !m_pWin->Contains( aEventPos ) || !m_pWin->IsVisible() ) | |||
84 | m_pWin->Fade( false ); | |||
85 | } | |||
86 | else if ( !m_pWin->IsVisible() ) | |||
87 | { | |||
88 | m_pWin->Fade( true ); | |||
89 | } | |||
90 | ||||
91 | if ( !rMEvt.IsSynthetic() && !m_pWin->IsVisible() ) | |||
92 | { | |||
93 | m_pWin->UpdatePosition( rMEvt.GetPosPixel() ); | |||
94 | } | |||
95 | } | |||
96 | } | |||
97 | ||||
98 | SwPageBreakWin::SwPageBreakWin( SwEditWin* pEditWin, const SwFrame *pFrame ) : | |||
99 | SwFrameMenuButtonBase( pEditWin, pFrame ), | |||
100 | m_aBuilder(nullptr, AllSettings::GetUIRootDir(), "modules/swriter/ui/pagebreakmenu.ui", ""), | |||
101 | m_pPopupMenu(m_aBuilder.get_menu("menu")), | |||
102 | m_pLine( nullptr ), | |||
103 | m_bIsAppearing( false ), | |||
104 | m_nFadeRate( 100 ), | |||
105 | m_nDelayAppearing( 0 ), | |||
106 | m_bDestroyed( false ) | |||
107 | { | |||
108 | // Use pixels for the rest of the drawing | |||
109 | SetMapMode( MapMode ( MapUnit::MapPixel ) ); | |||
110 | ||||
111 | // Create the line control | |||
112 | m_pLine = VclPtr<SwBreakDashedLine>::Create( GetEditWin(), &SwViewOption::GetPageBreakColor, this ); | |||
113 | ||||
114 | // Set the popup menu | |||
115 | m_pPopupMenu->SetDeactivateHdl( LINK( this, SwPageBreakWin, HideHandler )::tools::detail::makeLink( ::tools::detail::castTo<SwPageBreakWin *>(this), &SwPageBreakWin::LinkStubHideHandler) ); | |||
116 | SetPopupMenu(m_pPopupMenu); | |||
117 | ||||
118 | m_aFadeTimer.SetTimeout( 50 ); | |||
119 | m_aFadeTimer.SetInvokeHandler( LINK( this, SwPageBreakWin, FadeHandler )::tools::detail::makeLink( ::tools::detail::castTo<SwPageBreakWin *>(this), &SwPageBreakWin::LinkStubFadeHandler) ); | |||
120 | } | |||
121 | ||||
122 | SwPageBreakWin::~SwPageBreakWin( ) | |||
123 | { | |||
124 | disposeOnce(); | |||
125 | } | |||
126 | ||||
127 | void SwPageBreakWin::dispose() | |||
128 | { | |||
129 | m_bDestroyed = true; | |||
130 | m_aFadeTimer.Stop(); | |||
131 | ||||
132 | m_pLine.disposeAndClear(); | |||
| ||||
133 | m_pPopupMenu.clear(); | |||
134 | m_aBuilder.disposeBuilder(); | |||
135 | ||||
136 | SwFrameMenuButtonBase::dispose(); | |||
137 | } | |||
138 | ||||
139 | void SwPageBreakWin::Paint(vcl::RenderContext& rRenderContext, const ::tools::Rectangle&) | |||
140 | { | |||
141 | const ::tools::Rectangle aRect(::tools::Rectangle(Point(0, 0), rRenderContext.PixelToLogic(GetSizePixel()))); | |||
142 | ||||
143 | // Properly paint the control | |||
144 | BColor aColor = SwViewOption::GetPageBreakColor().getBColor(); | |||
145 | ||||
146 | BColor aHslLine = rgb2hsl(aColor); | |||
147 | double nLuminance = aHslLine.getZ(); | |||
148 | nLuminance += (1.0 - nLuminance) * 0.75; | |||
149 | if ( aHslLine.getZ() > 0.7 ) | |||
150 | nLuminance = aHslLine.getZ() * 0.7; | |||
151 | aHslLine.setZ(nLuminance); | |||
152 | BColor aOtherColor = hsl2rgb(aHslLine); | |||
153 | ||||
154 | const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings(); | |||
155 | if (rSettings.GetHighContrastMode()) | |||
156 | { | |||
157 | aColor = rSettings.GetDialogTextColor().getBColor(); | |||
158 | aOtherColor = rSettings.GetDialogColor().getBColor(); | |||
159 | } | |||
160 | ||||
161 | bool bRtl = AllSettings::GetLayoutRTL(); | |||
162 | ||||
163 | drawinglayer::primitive2d::Primitive2DContainer aSeq(3); | |||
164 | B2DRectangle aBRect = vcl::unotools::b2DRectangleFromRectangle(aRect); | |||
165 | B2DPolygon aPolygon = createPolygonFromRect(aBRect, 3.0 / BUTTON_WIDTH30, 3.0 / BUTTON_HEIGHT19); | |||
166 | ||||
167 | // Create the polygon primitives | |||
168 | aSeq[0].set(new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D( | |||
169 | B2DPolyPolygon(aPolygon), aOtherColor)); | |||
170 | aSeq[1].set(new drawinglayer::primitive2d::PolygonHairlinePrimitive2D( | |||
171 | aPolygon, aColor)); | |||
172 | ||||
173 | // Create the primitive for the image | |||
174 | BitmapEx aBmpEx(RID_BMP_PAGE_BREAK"sw/res/page_break.png"); | |||
175 | double nImgOfstX = 3.0; | |||
176 | if (bRtl) | |||
177 | nImgOfstX = aRect.Right() - aBmpEx.GetSizePixel().Width() - 3.0; | |||
178 | aSeq[2].set(new drawinglayer::primitive2d::DiscreteBitmapPrimitive2D( | |||
179 | aBmpEx, B2DPoint(nImgOfstX, 1.0))); | |||
180 | ||||
181 | double nTop = double(aRect.getHeight()) / 2.0; | |||
182 | double nBottom = nTop + 4.0; | |||
183 | double nLeft = aRect.getWidth() - ARROW_WIDTH9 - 6.0; | |||
184 | if (bRtl) | |||
185 | nLeft = ARROW_WIDTH9 - 2.0; | |||
186 | double nRight = nLeft + 8.0; | |||
187 | ||||
188 | B2DPolygon aTriangle; | |||
189 | aTriangle.append(B2DPoint(nLeft, nTop)); | |||
190 | aTriangle.append(B2DPoint(nRight, nTop)); | |||
191 | aTriangle.append(B2DPoint((nLeft + nRight) / 2.0, nBottom)); | |||
192 | aTriangle.setClosed(true); | |||
193 | ||||
194 | BColor aTriangleColor = COL_BLACK.getBColor(); | |||
195 | if (Application::GetSettings().GetStyleSettings().GetHighContrastMode()) | |||
196 | aTriangleColor = COL_WHITE.getBColor(); | |||
197 | ||||
198 | aSeq.emplace_back(); | |||
199 | aSeq.back().set( new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D( | |||
200 | B2DPolyPolygon(aTriangle), aTriangleColor)); | |||
201 | ||||
202 | drawinglayer::primitive2d::Primitive2DContainer aGhostedSeq(1); | |||
203 | double nFadeRate = double(m_nFadeRate) / 100.0; | |||
204 | const basegfx::BColorModifierSharedPtr aBColorModifier = | |||
205 | std::make_shared<basegfx::BColorModifier_interpolate>(COL_WHITE.getBColor(), | |||
206 | 1.0 - nFadeRate); | |||
207 | aGhostedSeq[0].set( new drawinglayer::primitive2d::ModifiedColorPrimitive2D( | |||
208 | aSeq, aBColorModifier)); | |||
209 | ||||
210 | // Create the processor and process the primitives | |||
211 | const drawinglayer::geometry::ViewInformation2D aNewViewInfos; | |||
212 | std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor( | |||
213 | drawinglayer::processor2d::createBaseProcessor2DFromOutputDevice(rRenderContext, aNewViewInfos)); | |||
214 | ||||
215 | pProcessor->process(aGhostedSeq); | |||
216 | } | |||
217 | ||||
218 | void SwPageBreakWin::Select() | |||
219 | { | |||
220 | SwFrameControlPtr pThis = GetEditWin()->GetFrameControlsManager( ).GetControl( FrameControlType::PageBreak, GetFrame() ); | |||
221 | ||||
222 | OString sIdent = GetCurItemIdent(); | |||
223 | if (sIdent == "edit") | |||
224 | { | |||
225 | const SwLayoutFrame* pBodyFrame = static_cast< const SwLayoutFrame* >( GetPageFrame()->Lower() ); | |||
226 | while ( pBodyFrame && !pBodyFrame->IsBodyFrame() ) | |||
227 | pBodyFrame = static_cast< const SwLayoutFrame* >( pBodyFrame->GetNext() ); | |||
228 | ||||
229 | SwEditWin* pEditWin = GetEditWin(); | |||
230 | ||||
231 | if ( pBodyFrame ) | |||
232 | { | |||
233 | SwWrtShell& rSh = pEditWin->GetView().GetWrtShell(); | |||
234 | bool bOldLock = rSh.IsViewLocked(); | |||
235 | rSh.LockView( true ); | |||
236 | ||||
237 | if ( pBodyFrame->Lower()->IsTabFrame() ) | |||
238 | { | |||
239 | rSh.Push( ); | |||
240 | rSh.ClearMark(); | |||
241 | ||||
242 | SwContentFrame *pCnt = const_cast< SwContentFrame* >( pBodyFrame->ContainsContent() ); | |||
243 | SwContentNode* pNd = pCnt->IsTextFrame() | |||
244 | ? static_cast<SwTextFrame*>(pCnt)->GetTextNodeFirst() | |||
245 | : static_cast<SwNoTextFrame*>(pCnt)->GetNode(); | |||
246 | rSh.SetSelection( *pNd ); | |||
247 | ||||
248 | SfxStringItem aItem(pEditWin->GetView().GetPool().GetWhich(FN_FORMAT_TABLE_DLG((20000 + 400) + 60)), "textflow"); | |||
249 | pEditWin->GetView().GetViewFrame()->GetDispatcher()->ExecuteList( | |||
250 | FN_FORMAT_TABLE_DLG((20000 + 400) + 60), | |||
251 | SfxCallMode::SYNCHRON | SfxCallMode::RECORD, | |||
252 | { &aItem }); | |||
253 | ||||
254 | rSh.Pop(SwCursorShell::PopMode::DeleteCurrent); | |||
255 | } | |||
256 | else | |||
257 | { | |||
258 | SwContentFrame *pCnt = const_cast< SwContentFrame* >( pBodyFrame->ContainsContent() ); | |||
259 | SwContentNode* pNd = pCnt->IsTextFrame() | |||
260 | ? static_cast<SwTextFrame*>(pCnt)->GetTextNodeFirst() | |||
261 | : static_cast<SwNoTextFrame*>(pCnt)->GetNode(); | |||
262 | ||||
263 | SwPaM aPaM( *pNd ); | |||
264 | SwPaMItem aPaMItem( pEditWin->GetView().GetPool( ).GetWhich( FN_PARAM_PAM((20000 + 2400)+27) ), &aPaM ); | |||
265 | SfxStringItem aItem( pEditWin->GetView().GetPool( ).GetWhich( SID_PARA_DLG( 10000 + 297 ) ), "textflow" ); | |||
266 | pEditWin->GetView().GetViewFrame()->GetDispatcher()->ExecuteList( | |||
267 | SID_PARA_DLG( 10000 + 297 ), | |||
268 | SfxCallMode::SYNCHRON | SfxCallMode::RECORD, | |||
269 | { &aItem, &aPaMItem }); | |||
270 | } | |||
271 | rSh.LockView( bOldLock ); | |||
272 | pEditWin->GrabFocus( ); | |||
273 | } | |||
274 | } | |||
275 | else if (sIdent == "delete") | |||
276 | { | |||
277 | const SwLayoutFrame* pBodyFrame = static_cast< const SwLayoutFrame* >( GetPageFrame()->Lower() ); | |||
278 | while ( pBodyFrame && !pBodyFrame->IsBodyFrame() ) | |||
279 | pBodyFrame = static_cast< const SwLayoutFrame* >( pBodyFrame->GetNext() ); | |||
280 | ||||
281 | if ( pBodyFrame ) | |||
282 | { | |||
283 | ||||
284 | SwContentFrame *pCnt = const_cast< SwContentFrame* >( pBodyFrame->ContainsContent() ); | |||
285 | SwContentNode* pNd = pCnt->IsTextFrame() | |||
286 | ? static_cast<SwTextFrame*>(pCnt)->GetTextNodeFirst() | |||
287 | : static_cast<SwNoTextFrame*>(pCnt)->GetNode(); | |||
288 | ||||
289 | pNd->GetDoc().GetIDocumentUndoRedo( ).StartUndo( SwUndoId::UI_DELETE_PAGE_BREAK, nullptr ); | |||
290 | ||||
291 | SfxItemSet aSet( | |||
292 | GetEditWin()->GetView().GetWrtShell().GetAttrPool(), | |||
293 | svl::Items<RES_PAGEDESC, RES_BREAK>{}); | |||
294 | aSet.Put( SvxFormatBreakItem( SvxBreak::NONE, RES_BREAK ) ); | |||
295 | aSet.Put( SwFormatPageDesc( nullptr ) ); | |||
296 | ||||
297 | SwPaM aPaM( *pNd ); | |||
298 | pNd->GetDoc().getIDocumentContentOperations().InsertItemSet( | |||
299 | aPaM, aSet, SetAttrMode::DEFAULT, GetPageFrame()->getRootFrame()); | |||
300 | ||||
301 | pNd->GetDoc().GetIDocumentUndoRedo( ).EndUndo( SwUndoId::UI_DELETE_PAGE_BREAK, nullptr ); | |||
302 | } | |||
303 | } | |||
304 | ||||
305 | // Only fade if there is more than this temporary shared pointer: | |||
306 | // The main reference has been deleted due to a page break removal | |||
307 | if ( pThis.use_count() > 1 ) | |||
308 | Fade( false ); | |||
309 | } | |||
310 | ||||
311 | void SwPageBreakWin::MouseMove( const MouseEvent& rMEvt ) | |||
312 | { | |||
313 | if ( rMEvt.IsLeaveWindow() ) | |||
314 | { | |||
315 | // don't fade if we just move to the 'line', or the popup menu is open | |||
316 | Point aEventPos( rMEvt.GetPosPixel() + rMEvt.GetPosPixel() ); | |||
317 | if ( !Contains( aEventPos ) && !PopupMenu::IsInExecute() ) | |||
318 | Fade( false ); | |||
319 | } | |||
320 | else if ( !IsVisible() ) | |||
321 | Fade( true ); | |||
322 | } | |||
323 | ||||
324 | void SwPageBreakWin::Activate( ) | |||
325 | { | |||
326 | Fade( true ); | |||
327 | MenuButton::Activate(); | |||
328 | } | |||
329 | ||||
330 | void SwPageBreakWin::UpdatePosition(const std::optional<Point>& xEvtPt) | |||
331 | { | |||
332 | if ( xEvtPt ) | |||
333 | { | |||
334 | if ( xEvtPt == m_xMousePt ) | |||
335 | return; | |||
336 | m_xMousePt = xEvtPt; | |||
337 | } | |||
338 | ||||
339 | const SwPageFrame* pPageFrame = GetPageFrame(); | |||
340 | const SwFrame* pPrevPage = pPageFrame; | |||
341 | do | |||
342 | { | |||
343 | pPrevPage = pPrevPage->GetPrev(); | |||
344 | } | |||
345 | while ( pPrevPage && ( ( pPrevPage->getFrameArea().Top( ) == pPageFrame->getFrameArea().Top( ) ) | |||
346 | || static_cast< const SwPageFrame* >( pPrevPage )->IsEmptyPage( ) ) ); | |||
347 | ||||
348 | ::tools::Rectangle aBoundRect = GetEditWin()->LogicToPixel( pPageFrame->GetBoundRect(GetEditWin()).SVRect() ); | |||
349 | ::tools::Rectangle aFrameRect = GetEditWin()->LogicToPixel( pPageFrame->getFrameArea().SVRect() ); | |||
350 | ||||
351 | long nYLineOffset = ( aBoundRect.Top() + aFrameRect.Top() ) / 2; | |||
352 | if ( pPrevPage ) | |||
353 | { | |||
354 | ::tools::Rectangle aPrevFrameRect = GetEditWin()->LogicToPixel( pPrevPage->getFrameArea().SVRect() ); | |||
355 | nYLineOffset = ( aPrevFrameRect.Bottom() + aFrameRect.Top() ) / 2; | |||
356 | } | |||
357 | ||||
358 | // Get the page + sidebar coords | |||
359 | long nPgLeft = aFrameRect.Left(); | |||
360 | long nPgRight = aFrameRect.Right(); | |||
361 | ||||
362 | unsigned long nSidebarWidth = 0; | |||
363 | const SwPostItMgr* pPostItMngr = GetEditWin()->GetView().GetWrtShell().GetPostItMgr(); | |||
364 | if ( pPostItMngr && pPostItMngr->HasNotes() && pPostItMngr->ShowNotes() ) | |||
365 | nSidebarWidth = pPostItMngr->GetSidebarBorderWidth( true ) + pPostItMngr->GetSidebarWidth( true ); | |||
366 | ||||
367 | if ( pPageFrame->SidebarPosition( ) == sw::sidebarwindows::SidebarPosition::LEFT ) | |||
368 | nPgLeft -= nSidebarWidth; | |||
369 | else if ( pPageFrame->SidebarPosition( ) == sw::sidebarwindows::SidebarPosition::RIGHT ) | |||
370 | nPgRight += nSidebarWidth; | |||
371 | ||||
372 | Size aBtnSize( BUTTON_WIDTH30 + ARROW_WIDTH9, BUTTON_HEIGHT19 ); | |||
373 | ||||
374 | // Place the button on the left or right? | |||
375 | ::tools::Rectangle aVisArea = GetEditWin()->LogicToPixel( GetEditWin()->GetView().GetVisArea() ); | |||
376 | ||||
377 | long nLineLeft = std::max( nPgLeft, aVisArea.Left() ); | |||
378 | long nLineRight = std::min( nPgRight, aVisArea.Right() ); | |||
379 | long nBtnLeft = nLineLeft; | |||
380 | ||||
381 | if ( m_xMousePt ) | |||
382 | { | |||
383 | nBtnLeft = nLineLeft + m_xMousePt->X() - aBtnSize.getWidth() / 2; | |||
384 | ||||
385 | if ( nBtnLeft < nLineLeft ) | |||
386 | nBtnLeft = nLineLeft; | |||
387 | else if ( ( nBtnLeft + aBtnSize.getWidth() ) > nLineRight ) | |||
388 | nBtnLeft = nLineRight - aBtnSize.getWidth(); | |||
389 | } | |||
390 | ||||
391 | // Set the button position | |||
392 | Point aBtnPos( nBtnLeft, nYLineOffset - BUTTON_HEIGHT19 / 2 ); | |||
393 | SetPosSizePixel( aBtnPos, aBtnSize ); | |||
394 | ||||
395 | // Set the line position | |||
396 | Point aLinePos( nLineLeft, nYLineOffset - 5 ); | |||
397 | Size aLineSize( nLineRight - nLineLeft, 10 ); | |||
398 | m_pLine->SetPosSizePixel( aLinePos, aLineSize ); | |||
399 | } | |||
400 | ||||
401 | void SwPageBreakWin::ShowAll( bool bShow ) | |||
402 | { | |||
403 | m_pLine->Show( bShow ); | |||
404 | } | |||
405 | ||||
406 | bool SwPageBreakWin::Contains( const Point &rDocPt ) const | |||
407 | { | |||
408 | ::tools::Rectangle aRect( GetPosPixel(), GetSizePixel() ); | |||
409 | if ( aRect.IsInside( rDocPt ) ) | |||
410 | return true; | |||
411 | ||||
412 | ::tools::Rectangle aLineRect( m_pLine->GetPosPixel(), m_pLine->GetSizePixel() ); | |||
413 | return aLineRect.IsInside( rDocPt ); | |||
414 | } | |||
415 | ||||
416 | void SwPageBreakWin::SetReadonly( bool bReadonly ) | |||
417 | { | |||
418 | ShowAll( !bReadonly ); | |||
419 | } | |||
420 | ||||
421 | void SwPageBreakWin::Fade( bool bFadeIn ) | |||
422 | { | |||
423 | m_bIsAppearing = bFadeIn; | |||
424 | if ( bFadeIn ) | |||
425 | m_nDelayAppearing = 0; | |||
426 | ||||
427 | if ( !m_bDestroyed && m_aFadeTimer.IsActive( ) ) | |||
428 | m_aFadeTimer.Stop(); | |||
429 | if ( !m_bDestroyed ) | |||
430 | m_aFadeTimer.Start( ); | |||
431 | } | |||
432 | ||||
433 | IMPL_LINK_NOARG(SwPageBreakWin, HideHandler, Menu *, bool)bool SwPageBreakWin::LinkStubHideHandler(void * instance, Menu * data) { return static_cast<SwPageBreakWin *>(instance )->HideHandler(data); } bool SwPageBreakWin::HideHandler(__attribute__ ((unused)) Menu *) | |||
434 | { | |||
435 | Fade( false ); | |||
436 | ||||
437 | return false; | |||
438 | } | |||
439 | ||||
440 | IMPL_LINK_NOARG(SwPageBreakWin, FadeHandler, Timer *, void)void SwPageBreakWin::LinkStubFadeHandler(void * instance, Timer * data) { return static_cast<SwPageBreakWin *>(instance )->FadeHandler(data); } void SwPageBreakWin::FadeHandler(__attribute__ ((unused)) Timer *) | |||
441 | { | |||
442 | const int TICKS_BEFORE_WE_APPEAR = 10; | |||
443 | if ( m_bIsAppearing && m_nDelayAppearing < TICKS_BEFORE_WE_APPEAR ) | |||
444 | { | |||
445 | ++m_nDelayAppearing; | |||
446 | m_aFadeTimer.Start(); | |||
447 | return; | |||
448 | } | |||
449 | ||||
450 | if ( m_bIsAppearing && m_nFadeRate > 0 ) | |||
451 | m_nFadeRate -= 25; | |||
452 | else if ( !m_bIsAppearing && m_nFadeRate < 100 ) | |||
453 | m_nFadeRate += 25; | |||
454 | ||||
455 | if ( m_nFadeRate != 100 && !IsVisible() ) | |||
456 | Show(); | |||
457 | else if ( m_nFadeRate == 100 && IsVisible( ) ) | |||
458 | Hide(); | |||
459 | else | |||
460 | { | |||
461 | UpdatePosition(); | |||
462 | Invalidate(); | |||
463 | } | |||
464 | ||||
465 | if (IsVisible( ) && m_nFadeRate > 0 && m_nFadeRate < 100) | |||
466 | m_aFadeTimer.Start(); | |||
467 | } | |||
468 | ||||
469 | /* 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 |