File: | home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx |
Warning: | line 257, column 12 Use of memory after it is freed |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |||
2 | /* | |||
3 | * This file is part of the LibreOffice project. | |||
4 | * | |||
5 | * This Source Code Form is subject to the terms of the Mozilla Public | |||
6 | * License, v. 2.0. If a copy of the MPL was not distributed with this | |||
7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. | |||
8 | * | |||
9 | * This file incorporates work covered by the following license notice: | |||
10 | * | |||
11 | * Licensed to the Apache Software Foundation (ASF) under one or more | |||
12 | * contributor license agreements. See the NOTICE file distributed | |||
13 | * with this work for additional information regarding copyright | |||
14 | * ownership. The ASF licenses this file to you under the Apache | |||
15 | * License, Version 2.0 (the "License"); you may not use this file | |||
16 | * except in compliance with the License. You may obtain a copy of | |||
17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . | |||
18 | */ | |||
19 | ||||
20 | #include <vcl/svapp.hxx> | |||
21 | #include <vcl/event.hxx> | |||
22 | #include <vcl/ctrl.hxx> | |||
23 | #include <vcl/decoview.hxx> | |||
24 | #include <vcl/settings.hxx> | |||
25 | #include <vcl/uitest/logger.hxx> | |||
26 | #include <sal/log.hxx> | |||
27 | ||||
28 | #include <textlayout.hxx> | |||
29 | #include <svdata.hxx> | |||
30 | #include <controldata.hxx> | |||
31 | ||||
32 | using namespace vcl; | |||
33 | ||||
34 | void Control::ImplInitControlData() | |||
35 | { | |||
36 | mbHasControlFocus = false; | |||
37 | mbShowAccelerator = false; | |||
38 | mpControlData.reset(new ImplControlData); | |||
39 | } | |||
40 | ||||
41 | Control::Control( WindowType nType ) : | |||
42 | Window( nType ) | |||
43 | { | |||
44 | ImplInitControlData(); | |||
45 | } | |||
46 | ||||
47 | Control::Control( vcl::Window* pParent, WinBits nStyle ) : | |||
48 | Window( WindowType::CONTROL ) | |||
49 | { | |||
50 | ImplInitControlData(); | |||
51 | ImplInit( pParent, nStyle, nullptr ); | |||
52 | } | |||
53 | ||||
54 | Control::~Control() | |||
55 | { | |||
56 | disposeOnce(); | |||
57 | } | |||
58 | ||||
59 | void Control::dispose() | |||
60 | { | |||
61 | mpControlData.reset(); | |||
62 | Window::dispose(); | |||
63 | } | |||
64 | ||||
65 | void Control::EnableRTL( bool bEnable ) | |||
66 | { | |||
67 | // convenience: for controls also switch layout mode | |||
68 | SetLayoutMode( bEnable ? ComplexTextLayoutFlags::BiDiRtl | ComplexTextLayoutFlags::TextOriginLeft : | |||
69 | ComplexTextLayoutFlags::TextOriginLeft ); | |||
70 | CompatStateChanged( StateChangedType::Mirroring ); | |||
71 | OutputDevice::EnableRTL(bEnable); | |||
72 | } | |||
73 | ||||
74 | void Control::Resize() | |||
75 | { | |||
76 | ImplClearLayoutData(); | |||
77 | Window::Resize(); | |||
78 | } | |||
79 | ||||
80 | void Control::FillLayoutData() const | |||
81 | { | |||
82 | } | |||
83 | ||||
84 | void Control::CreateLayoutData() const | |||
85 | { | |||
86 | SAL_WARN_IF( mpControlData->mpLayoutData, "vcl", "Control::CreateLayoutData: should be called with non-existent layout data only!" )do { if (true && (mpControlData->mpLayoutData)) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN, "vcl")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case SAL_DETAIL_LOG_ACTION_LOG : if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart () << "Control::CreateLayoutData: should be called with non-existent layout data only!" ) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl" ), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "86" ": "), ::sal::detail::unwrapStream( ::sal::detail:: StreamStart() << "Control::CreateLayoutData: should be called with non-existent layout data only!" ), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream << "Control::CreateLayoutData: should be called with non-existent layout data only!" ; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "86" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL : if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart () << "Control::CreateLayoutData: should be called with non-existent layout data only!" ) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl" ), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "86" ": "), ::sal::detail::unwrapStream( ::sal::detail:: StreamStart() << "Control::CreateLayoutData: should be called with non-existent layout data only!" ), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream << "Control::CreateLayoutData: should be called with non-existent layout data only!" ; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "86" ": "), sal_detail_stream, 0); }; std::abort(); break ; } } } while (false); | |||
87 | mpControlData->mpLayoutData.reset( new vcl::ControlLayoutData ); | |||
88 | } | |||
89 | ||||
90 | bool Control::HasLayoutData() const | |||
91 | { | |||
92 | return mpControlData && mpControlData->mpLayoutData != nullptr; | |||
93 | } | |||
94 | ||||
95 | void Control::SetText( const OUString& rStr ) | |||
96 | { | |||
97 | ImplClearLayoutData(); | |||
98 | Window::SetText( rStr ); | |||
99 | } | |||
100 | ||||
101 | ControlLayoutData::ControlLayoutData() : m_pParent( nullptr ) | |||
102 | { | |||
103 | } | |||
104 | ||||
105 | tools::Rectangle ControlLayoutData::GetCharacterBounds( long nIndex ) const | |||
106 | { | |||
107 | return (nIndex >= 0 && nIndex < static_cast<long>(m_aUnicodeBoundRects.size())) ? m_aUnicodeBoundRects[ nIndex ] : tools::Rectangle(); | |||
108 | } | |||
109 | ||||
110 | tools::Rectangle Control::GetCharacterBounds( long nIndex ) const | |||
111 | { | |||
112 | if( !HasLayoutData() ) | |||
113 | FillLayoutData(); | |||
114 | return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetCharacterBounds( nIndex ) : tools::Rectangle(); | |||
115 | } | |||
116 | ||||
117 | long ControlLayoutData::GetIndexForPoint( const Point& rPoint ) const | |||
118 | { | |||
119 | long nIndex = -1; | |||
120 | for( long i = m_aUnicodeBoundRects.size()-1; i >= 0; i-- ) | |||
121 | { | |||
122 | Point aTopLeft = m_aUnicodeBoundRects[i].TopLeft(); | |||
123 | Point aBottomRight = m_aUnicodeBoundRects[i].BottomRight(); | |||
124 | if (rPoint.X() >= aTopLeft.X() && rPoint.Y() >= aTopLeft.Y() && | |||
125 | rPoint.X() <= aBottomRight.X() && rPoint.Y() <= aBottomRight.Y()) | |||
126 | { | |||
127 | nIndex = i; | |||
128 | break; | |||
129 | } | |||
130 | } | |||
131 | return nIndex; | |||
132 | } | |||
133 | ||||
134 | long Control::GetIndexForPoint( const Point& rPoint ) const | |||
135 | { | |||
136 | if( ! HasLayoutData() ) | |||
137 | FillLayoutData(); | |||
138 | return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetIndexForPoint( rPoint ) : -1; | |||
139 | } | |||
140 | ||||
141 | long ControlLayoutData::GetLineCount() const | |||
142 | { | |||
143 | long nLines = m_aLineIndices.size(); | |||
144 | if( nLines == 0 && !m_aDisplayText.isEmpty() ) | |||
145 | nLines = 1; | |||
146 | return nLines; | |||
147 | } | |||
148 | ||||
149 | Pair ControlLayoutData::GetLineStartEnd( long nLine ) const | |||
150 | { | |||
151 | Pair aPair( -1, -1 ); | |||
152 | ||||
153 | int nDisplayLines = m_aLineIndices.size(); | |||
154 | if( nLine >= 0 && nLine < nDisplayLines ) | |||
155 | { | |||
156 | aPair.A() = m_aLineIndices[nLine]; | |||
157 | if( nLine+1 < nDisplayLines ) | |||
158 | aPair.B() = m_aLineIndices[nLine+1]-1; | |||
159 | else | |||
160 | aPair.B() = m_aDisplayText.getLength()-1; | |||
161 | } | |||
162 | else if( nLine == 0 && nDisplayLines == 0 && !m_aDisplayText.isEmpty() ) | |||
163 | { | |||
164 | // special case for single line controls so the implementations | |||
165 | // in that case do not have to fill in the line indices | |||
166 | aPair.A() = 0; | |||
167 | aPair.B() = m_aDisplayText.getLength()-1; | |||
168 | } | |||
169 | return aPair; | |||
170 | } | |||
171 | ||||
172 | Pair Control::GetLineStartEnd( long nLine ) const | |||
173 | { | |||
174 | if( !HasLayoutData() ) | |||
175 | FillLayoutData(); | |||
176 | return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetLineStartEnd( nLine ) : Pair( -1, -1 ); | |||
177 | } | |||
178 | ||||
179 | long ControlLayoutData::ToRelativeLineIndex( long nIndex ) const | |||
180 | { | |||
181 | // is the index sensible at all ? | |||
182 | if( nIndex >= 0 && nIndex < m_aDisplayText.getLength() ) | |||
183 | { | |||
184 | int nDisplayLines = m_aLineIndices.size(); | |||
185 | // if only 1 line exists, then absolute and relative index are | |||
186 | // identical -> do nothing | |||
187 | if( nDisplayLines > 1 ) | |||
188 | { | |||
189 | int nLine; | |||
190 | for( nLine = nDisplayLines-1; nLine >= 0; nLine-- ) | |||
191 | { | |||
192 | if( m_aLineIndices[nLine] <= nIndex ) | |||
193 | { | |||
194 | nIndex -= m_aLineIndices[nLine]; | |||
195 | break; | |||
196 | } | |||
197 | } | |||
198 | if( nLine < 0 ) | |||
199 | { | |||
200 | SAL_WARN_IF( nLine < 0, "vcl", "ToRelativeLineIndex failed" )do { if (true && (nLine < 0)) { switch (sal_detail_log_report (::SAL_DETAIL_LOG_LEVEL_WARN, "vcl")) { case SAL_DETAIL_LOG_ACTION_IGNORE : break; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail ::getResult( ::sal::detail::StreamStart() << "ToRelativeLineIndex failed" ) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl" ), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "200" ": "), ::sal::detail::unwrapStream( ::sal::detail:: StreamStart() << "ToRelativeLineIndex failed"), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream << "ToRelativeLineIndex failed"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN ), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "200" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL : if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart () << "ToRelativeLineIndex failed") == 1) { ::sal_detail_log ( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "200" ": "), ::sal::detail::unwrapStream( ::sal::detail:: StreamStart() << "ToRelativeLineIndex failed"), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream << "ToRelativeLineIndex failed"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN ), ("vcl"), ("/home/maarten/src/libreoffice/core/vcl/source/control/ctrl.cxx" ":" "200" ": "), sal_detail_stream, 0); }; std::abort(); break ; } } } while (false); | |||
201 | nIndex = -1; | |||
202 | } | |||
203 | } | |||
204 | } | |||
205 | else | |||
206 | nIndex = -1; | |||
207 | ||||
208 | return nIndex; | |||
209 | } | |||
210 | ||||
211 | long Control::ToRelativeLineIndex( long nIndex ) const | |||
212 | { | |||
213 | if( !HasLayoutData() ) | |||
214 | FillLayoutData(); | |||
215 | return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->ToRelativeLineIndex( nIndex ) : -1; | |||
216 | } | |||
217 | ||||
218 | OUString Control::GetDisplayText() const | |||
219 | { | |||
220 | if( !HasLayoutData() ) | |||
221 | FillLayoutData(); | |||
222 | return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->m_aDisplayText : GetText(); | |||
223 | } | |||
224 | ||||
225 | bool Control::EventNotify( NotifyEvent& rNEvt ) | |||
226 | { | |||
227 | // tdf#91081 if control is not valid, skip the emission - chaining to the parent | |||
228 | if (mpControlData) | |||
| ||||
229 | { | |||
230 | if ( rNEvt.GetType() == MouseNotifyEvent::GETFOCUS ) | |||
231 | { | |||
232 | if ( !mbHasControlFocus ) | |||
233 | { | |||
234 | mbHasControlFocus = true; | |||
235 | CompatStateChanged( StateChangedType::ControlFocus ); | |||
236 | if ( ImplCallEventListenersAndHandler( VclEventId::ControlGetFocus, {} ) ) | |||
237 | // been destroyed within the handler | |||
238 | return true; | |||
239 | } | |||
240 | } | |||
241 | else | |||
242 | { | |||
243 | if ( rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS ) | |||
244 | { | |||
245 | vcl::Window* pFocusWin = Application::GetFocusWindow(); | |||
246 | if ( !pFocusWin || !ImplIsWindowOrChild( pFocusWin ) ) | |||
247 | { | |||
248 | mbHasControlFocus = false; | |||
249 | CompatStateChanged( StateChangedType::ControlFocus ); | |||
250 | if ( ImplCallEventListenersAndHandler( VclEventId::ControlLoseFocus, [this] () { maLoseFocusHdl.Call(*this); } ) ) | |||
251 | // been destroyed within the handler | |||
252 | return true; | |||
253 | } | |||
254 | } | |||
255 | } | |||
256 | } | |||
257 | return Window::EventNotify( rNEvt ); | |||
| ||||
258 | } | |||
259 | ||||
260 | void Control::StateChanged( StateChangedType nStateChange ) | |||
261 | { | |||
262 | if( nStateChange == StateChangedType::InitShow || | |||
263 | nStateChange == StateChangedType::Visible || | |||
264 | nStateChange == StateChangedType::Zoom || | |||
265 | nStateChange == StateChangedType::ControlFont | |||
266 | ) | |||
267 | { | |||
268 | ImplClearLayoutData(); | |||
269 | } | |||
270 | Window::StateChanged( nStateChange ); | |||
271 | } | |||
272 | ||||
273 | void Control::AppendLayoutData( const Control& rSubControl ) const | |||
274 | { | |||
275 | if( !rSubControl.HasLayoutData() ) | |||
276 | rSubControl.FillLayoutData(); | |||
277 | if( !rSubControl.HasLayoutData() || rSubControl.mpControlData->mpLayoutData->m_aDisplayText.isEmpty() ) | |||
278 | return; | |||
279 | ||||
280 | long nCurrentIndex = mpControlData->mpLayoutData->m_aDisplayText.getLength(); | |||
281 | mpControlData->mpLayoutData->m_aDisplayText += rSubControl.mpControlData->mpLayoutData->m_aDisplayText; | |||
282 | int nLines = rSubControl.mpControlData->mpLayoutData->m_aLineIndices.size(); | |||
283 | int n; | |||
284 | mpControlData->mpLayoutData->m_aLineIndices.push_back( nCurrentIndex ); | |||
285 | for( n = 1; n < nLines; n++ ) | |||
286 | mpControlData->mpLayoutData->m_aLineIndices.push_back( rSubControl.mpControlData->mpLayoutData->m_aLineIndices[n] + nCurrentIndex ); | |||
287 | int nRectangles = rSubControl.mpControlData->mpLayoutData->m_aUnicodeBoundRects.size(); | |||
288 | tools::Rectangle aRel = rSubControl.GetWindowExtentsRelative(this); | |||
289 | for( n = 0; n < nRectangles; n++ ) | |||
290 | { | |||
291 | tools::Rectangle aRect = rSubControl.mpControlData->mpLayoutData->m_aUnicodeBoundRects[n]; | |||
292 | aRect.Move( aRel.Left(), aRel.Top() ); | |||
293 | mpControlData->mpLayoutData->m_aUnicodeBoundRects.push_back( aRect ); | |||
294 | } | |||
295 | } | |||
296 | ||||
297 | void Control::CallEventListeners( VclEventId nEvent, void* pData) | |||
298 | { | |||
299 | VclPtr<Control> xThis(this); | |||
300 | UITestLogger::getInstance().logAction(xThis, nEvent); | |||
301 | ||||
302 | vcl::Window::CallEventListeners(nEvent, pData); | |||
303 | } | |||
304 | ||||
305 | bool Control::ImplCallEventListenersAndHandler( VclEventId nEvent, std::function<void()> const & callHandler ) | |||
306 | { | |||
307 | VclPtr<Control> xThis(this); | |||
308 | ||||
309 | Control::CallEventListeners( nEvent ); | |||
310 | ||||
311 | if ( !xThis->IsDisposed() ) | |||
312 | { | |||
313 | if (callHandler) | |||
314 | { | |||
315 | callHandler(); | |||
316 | } | |||
317 | ||||
318 | if ( !xThis->IsDisposed() ) | |||
319 | return false; | |||
320 | } | |||
321 | return true; | |||
322 | } | |||
323 | ||||
324 | void Control::SetLayoutDataParent( const Control* pParent ) const | |||
325 | { | |||
326 | if( HasLayoutData() ) | |||
327 | mpControlData->mpLayoutData->m_pParent = pParent; | |||
328 | } | |||
329 | ||||
330 | void Control::ImplClearLayoutData() const | |||
331 | { | |||
332 | if (mpControlData) | |||
333 | mpControlData->mpLayoutData.reset(); | |||
334 | } | |||
335 | ||||
336 | void Control::ImplDrawFrame( OutputDevice* pDev, tools::Rectangle& rRect ) | |||
337 | { | |||
338 | // use a deco view to draw the frame | |||
339 | // However, since there happens a lot of magic there, we need to fake some (style) settings | |||
340 | // on the device | |||
341 | AllSettings aOriginalSettings( pDev->GetSettings() ); | |||
342 | ||||
343 | AllSettings aNewSettings( aOriginalSettings ); | |||
344 | StyleSettings aStyle( aNewSettings.GetStyleSettings() ); | |||
345 | ||||
346 | // The *only known* clients of the Draw methods of the various VCL-controls are form controls: | |||
347 | // During print preview, and during printing, Draw is called. Thus, drawing always happens with a | |||
348 | // mono (colored) border | |||
349 | aStyle.SetOptions( aStyle.GetOptions() | StyleSettingsOptions::Mono ); | |||
350 | aStyle.SetMonoColor( GetSettings().GetStyleSettings().GetMonoColor() ); | |||
351 | ||||
352 | aNewSettings.SetStyleSettings( aStyle ); | |||
353 | // #i67023# do not call data changed listeners for this fake | |||
354 | // since they may understandably invalidate on settings changed | |||
355 | pDev->OutputDevice::SetSettings( aNewSettings ); | |||
356 | ||||
357 | DecorationView aDecoView( pDev ); | |||
358 | rRect = aDecoView.DrawFrame( rRect, DrawFrameStyle::Out, DrawFrameFlags::WindowBorder ); | |||
359 | ||||
360 | pDev->OutputDevice::SetSettings( aOriginalSettings ); | |||
361 | } | |||
362 | ||||
363 | void Control::SetShowAccelerator(bool bVal) | |||
364 | { | |||
365 | mbShowAccelerator = bVal; | |||
366 | }; | |||
367 | ||||
368 | ControlLayoutData::~ControlLayoutData() | |||
369 | { | |||
370 | if( m_pParent ) | |||
371 | m_pParent->ImplClearLayoutData(); | |||
372 | } | |||
373 | ||||
374 | Size Control::GetOptimalSize() const | |||
375 | { | |||
376 | return Size( GetTextWidth( GetText() ) + 2 * 12, | |||
377 | GetTextHeight() + 2 * 6 ); | |||
378 | } | |||
379 | ||||
380 | void Control::SetReferenceDevice( OutputDevice* _referenceDevice ) | |||
381 | { | |||
382 | if ( mpControlData->mpReferenceDevice == _referenceDevice ) | |||
383 | return; | |||
384 | ||||
385 | mpControlData->mpReferenceDevice = _referenceDevice; | |||
386 | Invalidate(); | |||
387 | } | |||
388 | ||||
389 | OutputDevice* Control::GetReferenceDevice() const | |||
390 | { | |||
391 | // tdf#118377 It can happen that mpReferenceDevice is already disposed and | |||
392 | // stays disposed (see task, even when Dialog is closed). I have no idea if | |||
393 | // this may be very bad - someone who knows more about lifetime of OutputDevice's | |||
394 | // will have to decide. | |||
395 | // To secure this, I changed all accesses to mpControlData->mpReferenceDevice to | |||
396 | // use Control::GetReferenceDevice() - only use mpControlData->mpReferenceDevice | |||
397 | // inside Control::SetReferenceDevice and Control::GetReferenceDevice(). | |||
398 | // Control::GetReferenceDevice() will now reset mpReferenceDevice if it is already | |||
399 | // disposed. This way all usages will do a kind of 'test-and-get' call. | |||
400 | if(nullptr != mpControlData->mpReferenceDevice && mpControlData->mpReferenceDevice->isDisposed()) | |||
401 | { | |||
402 | const_cast<Control*>(this)->SetReferenceDevice(nullptr); | |||
403 | } | |||
404 | ||||
405 | return mpControlData->mpReferenceDevice; | |||
406 | } | |||
407 | ||||
408 | const vcl::Font& Control::GetCanonicalFont( const StyleSettings& _rStyle ) const | |||
409 | { | |||
410 | return _rStyle.GetLabelFont(); | |||
411 | } | |||
412 | ||||
413 | const Color& Control::GetCanonicalTextColor( const StyleSettings& _rStyle ) const | |||
414 | { | |||
415 | return _rStyle.GetLabelTextColor(); | |||
416 | } | |||
417 | ||||
418 | void Control::ApplySettings(vcl::RenderContext& rRenderContext) | |||
419 | { | |||
420 | const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings(); | |||
421 | ||||
422 | ApplyControlFont(rRenderContext, GetCanonicalFont(rStyleSettings)); | |||
423 | ||||
424 | ApplyControlForeground(rRenderContext, GetCanonicalTextColor(rStyleSettings)); | |||
425 | rRenderContext.SetTextFillColor(); | |||
426 | } | |||
427 | ||||
428 | void Control::ImplInitSettings() | |||
429 | { | |||
430 | ApplySettings(*this); | |||
431 | } | |||
432 | ||||
433 | tools::Rectangle Control::DrawControlText( OutputDevice& _rTargetDevice, const tools::Rectangle& rRect, const OUString& _rStr, | |||
434 | DrawTextFlags _nStyle, MetricVector* _pVector, OUString* _pDisplayText, const Size* i_pDeviceSize ) const | |||
435 | { | |||
436 | OUString rPStr = _rStr; | |||
437 | DrawTextFlags nPStyle = _nStyle; | |||
438 | ||||
439 | bool autoacc = ImplGetSVData()->maNWFData.mbAutoAccel; | |||
440 | ||||
441 | if (autoacc && !mbShowAccelerator) | |||
442 | { | |||
443 | rPStr = GetNonMnemonicString( _rStr ); | |||
444 | nPStyle &= ~DrawTextFlags::HideMnemonic; | |||
445 | } | |||
446 | ||||
447 | if( !GetReferenceDevice() || ( GetReferenceDevice() == &_rTargetDevice ) ) | |||
448 | { | |||
449 | const tools::Rectangle aRet = _rTargetDevice.GetTextRect(rRect, rPStr, nPStyle); | |||
450 | _rTargetDevice.DrawText(aRet, rPStr, nPStyle, _pVector, _pDisplayText); | |||
451 | return aRet; | |||
452 | } | |||
453 | ||||
454 | ControlTextRenderer aRenderer( *this, _rTargetDevice, *GetReferenceDevice() ); | |||
455 | return aRenderer.DrawText(rRect, rPStr, nPStyle, _pVector, _pDisplayText, i_pDeviceSize); | |||
456 | } | |||
457 | ||||
458 | tools::Rectangle Control::GetControlTextRect( OutputDevice& _rTargetDevice, const tools::Rectangle & rRect, | |||
459 | const OUString& _rStr, DrawTextFlags _nStyle, Size* o_pDeviceSize ) const | |||
460 | { | |||
461 | OUString rPStr = _rStr; | |||
462 | DrawTextFlags nPStyle = _nStyle; | |||
463 | ||||
464 | bool autoacc = ImplGetSVData()->maNWFData.mbAutoAccel; | |||
465 | ||||
466 | if (autoacc && !mbShowAccelerator) | |||
467 | { | |||
468 | rPStr = GetNonMnemonicString( _rStr ); | |||
469 | nPStyle &= ~DrawTextFlags::HideMnemonic; | |||
470 | } | |||
471 | ||||
472 | if ( !GetReferenceDevice() || ( GetReferenceDevice() == &_rTargetDevice ) ) | |||
473 | { | |||
474 | tools::Rectangle aRet = _rTargetDevice.GetTextRect( rRect, rPStr, nPStyle ); | |||
475 | if (o_pDeviceSize) | |||
476 | { | |||
477 | *o_pDeviceSize = aRet.GetSize(); | |||
478 | } | |||
479 | return aRet; | |||
480 | } | |||
481 | ||||
482 | ControlTextRenderer aRenderer( *this, _rTargetDevice, *GetReferenceDevice() ); | |||
483 | return aRenderer.GetTextRect(rRect, rPStr, nPStyle, o_pDeviceSize); | |||
484 | } | |||
485 | ||||
486 | Font | |||
487 | Control::GetUnzoomedControlPointFont() const | |||
488 | { | |||
489 | Font aFont(GetCanonicalFont(GetSettings().GetStyleSettings())); | |||
490 | if (IsControlFont()) | |||
491 | aFont.Merge(GetControlFont()); | |||
492 | return aFont; | |||
493 | } | |||
494 | ||||
495 | /* 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 |