| File: | home/maarten/src/libreoffice/core/include/rtl/ref.hxx |
| Warning: | line 192, column 9 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 | |||||||||
| 21 | #include <config_features.h> | ||||||||
| 22 | #include <config_feature_desktop.h> | ||||||||
| 23 | |||||||||
| 24 | #include <tools/time.hxx> | ||||||||
| 25 | |||||||||
| 26 | #include <LibreOfficeKit/LibreOfficeKitEnums.h> | ||||||||
| 27 | |||||||||
| 28 | #include <vcl/ITiledRenderable.hxx> | ||||||||
| 29 | #include <vcl/svapp.hxx> | ||||||||
| 30 | #include <vcl/window.hxx> | ||||||||
| 31 | #include <vcl/cursor.hxx> | ||||||||
| 32 | #include <vcl/sysdata.hxx> | ||||||||
| 33 | #include <vcl/event.hxx> | ||||||||
| 34 | |||||||||
| 35 | #include <sal/types.h> | ||||||||
| 36 | |||||||||
| 37 | #include <window.h> | ||||||||
| 38 | #include <svdata.hxx> | ||||||||
| 39 | #include <salobj.hxx> | ||||||||
| 40 | #include <salgdi.hxx> | ||||||||
| 41 | #include <salframe.hxx> | ||||||||
| 42 | |||||||||
| 43 | #include <dndlistenercontainer.hxx> | ||||||||
| 44 | #include <dndeventdispatcher.hxx> | ||||||||
| 45 | |||||||||
| 46 | #include <com/sun/star/datatransfer/dnd/XDragSource.hpp> | ||||||||
| 47 | #include <com/sun/star/datatransfer/dnd/XDropTarget.hpp> | ||||||||
| 48 | #include <com/sun/star/uno/XComponentContext.hpp> | ||||||||
| 49 | |||||||||
| 50 | #include <comphelper/processfactory.hxx> | ||||||||
| 51 | |||||||||
| 52 | using namespace ::com::sun::star::uno; | ||||||||
| 53 | |||||||||
| 54 | namespace vcl { | ||||||||
| 55 | |||||||||
| 56 | WindowHitTest Window::ImplHitTest( const Point& rFramePos ) | ||||||||
| 57 | { | ||||||||
| 58 | Point aFramePos( rFramePos ); | ||||||||
| 59 | if( ImplIsAntiparallel() ) | ||||||||
| 60 | { | ||||||||
| 61 | const OutputDevice *pOutDev = GetOutDev(); | ||||||||
| 62 | pOutDev->ReMirror( aFramePos ); | ||||||||
| 63 | } | ||||||||
| 64 | tools::Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) ); | ||||||||
| 65 | if ( !aRect.IsInside( aFramePos ) ) | ||||||||
| 66 | return WindowHitTest::NONE; | ||||||||
| 67 | if ( mpWindowImpl->mbWinRegion ) | ||||||||
| 68 | { | ||||||||
| 69 | Point aTempPos = aFramePos; | ||||||||
| 70 | aTempPos.AdjustX( -mnOutOffX ); | ||||||||
| 71 | aTempPos.AdjustY( -mnOutOffY ); | ||||||||
| 72 | if ( !mpWindowImpl->maWinRegion.IsInside( aTempPos ) ) | ||||||||
| 73 | return WindowHitTest::NONE; | ||||||||
| 74 | } | ||||||||
| 75 | |||||||||
| 76 | WindowHitTest nHitTest = WindowHitTest::Inside; | ||||||||
| 77 | if ( mpWindowImpl->mbMouseTransparent ) | ||||||||
| 78 | nHitTest |= WindowHitTest::Transparent; | ||||||||
| 79 | return nHitTest; | ||||||||
| 80 | } | ||||||||
| 81 | |||||||||
| 82 | bool Window::ImplTestMousePointerSet() | ||||||||
| 83 | { | ||||||||
| 84 | // as soon as mouse is captured, switch mouse-pointer | ||||||||
| 85 | if ( IsMouseCaptured() ) | ||||||||
| 86 | return true; | ||||||||
| 87 | |||||||||
| 88 | // if the mouse is over the window, switch it | ||||||||
| 89 | tools::Rectangle aClientRect( Point( 0, 0 ), GetOutputSizePixel() ); | ||||||||
| 90 | return aClientRect.IsInside( GetPointerPosPixel() ); | ||||||||
| 91 | } | ||||||||
| 92 | |||||||||
| 93 | PointerStyle Window::ImplGetMousePointer() const | ||||||||
| 94 | { | ||||||||
| 95 | PointerStyle ePointerStyle; | ||||||||
| 96 | bool bWait = false; | ||||||||
| 97 | |||||||||
| 98 | if ( IsEnabled() && IsInputEnabled() && ! IsInModalMode() ) | ||||||||
| 99 | ePointerStyle = GetPointer(); | ||||||||
| 100 | else | ||||||||
| 101 | ePointerStyle = PointerStyle::Arrow; | ||||||||
| 102 | |||||||||
| 103 | const vcl::Window* pWindow = this; | ||||||||
| 104 | do | ||||||||
| 105 | { | ||||||||
| 106 | // when the pointer is not visible stop the search, as | ||||||||
| 107 | // this status should not be overwritten | ||||||||
| 108 | if ( pWindow->mpWindowImpl->mbNoPtrVisible ) | ||||||||
| 109 | return PointerStyle::Null; | ||||||||
| 110 | |||||||||
| 111 | if ( !bWait ) | ||||||||
| 112 | { | ||||||||
| 113 | if ( pWindow->mpWindowImpl->mnWaitCount ) | ||||||||
| 114 | { | ||||||||
| 115 | ePointerStyle = PointerStyle::Wait; | ||||||||
| 116 | bWait = true; | ||||||||
| 117 | } | ||||||||
| 118 | else | ||||||||
| 119 | { | ||||||||
| 120 | if ( pWindow->mpWindowImpl->mbChildPtrOverwrite ) | ||||||||
| 121 | ePointerStyle = pWindow->GetPointer(); | ||||||||
| 122 | } | ||||||||
| 123 | } | ||||||||
| 124 | |||||||||
| 125 | if ( pWindow->ImplIsOverlapWindow() ) | ||||||||
| 126 | break; | ||||||||
| 127 | |||||||||
| 128 | pWindow = pWindow->ImplGetParent(); | ||||||||
| 129 | } | ||||||||
| 130 | while ( pWindow ); | ||||||||
| 131 | |||||||||
| 132 | return ePointerStyle; | ||||||||
| 133 | } | ||||||||
| 134 | |||||||||
| 135 | void Window::ImplCallMouseMove( sal_uInt16 nMouseCode, bool bModChanged ) | ||||||||
| 136 | { | ||||||||
| 137 | if ( !(mpWindowImpl->mpFrameData->mbMouseIn && mpWindowImpl->mpFrameWindow->mpWindowImpl->mbReallyVisible) ) | ||||||||
| 138 | return; | ||||||||
| 139 | |||||||||
| 140 | sal_uInt64 nTime = tools::Time::GetSystemTicks(); | ||||||||
| 141 | long nX = mpWindowImpl->mpFrameData->mnLastMouseX; | ||||||||
| 142 | long nY = mpWindowImpl->mpFrameData->mnLastMouseY; | ||||||||
| 143 | sal_uInt16 nCode = nMouseCode; | ||||||||
| 144 | MouseEventModifiers nMode = mpWindowImpl->mpFrameData->mnMouseMode; | ||||||||
| 145 | bool bLeave; | ||||||||
| 146 | // check for MouseLeave | ||||||||
| 147 | bLeave = ((nX < 0) || (nY < 0) || | ||||||||
| 148 | (nX >= mpWindowImpl->mpFrameWindow->mnOutWidth) || | ||||||||
| 149 | (nY >= mpWindowImpl->mpFrameWindow->mnOutHeight)) && | ||||||||
| 150 | !ImplGetSVData()->mpWinData->mpCaptureWin; | ||||||||
| 151 | nMode |= MouseEventModifiers::SYNTHETIC; | ||||||||
| 152 | if ( bModChanged ) | ||||||||
| 153 | nMode |= MouseEventModifiers::MODIFIERCHANGED; | ||||||||
| 154 | ImplHandleMouseEvent( mpWindowImpl->mpFrameWindow, MouseNotifyEvent::MOUSEMOVE, bLeave, nX, nY, nTime, nCode, nMode ); | ||||||||
| 155 | } | ||||||||
| 156 | |||||||||
| 157 | void Window::ImplGenerateMouseMove() | ||||||||
| 158 | { | ||||||||
| 159 | if ( mpWindowImpl && mpWindowImpl->mpFrameData && | ||||||||
| 160 | !mpWindowImpl->mpFrameData->mnMouseMoveId ) | ||||||||
| 161 | mpWindowImpl->mpFrameData->mnMouseMoveId = Application::PostUserEvent( LINK( mpWindowImpl->mpFrameWindow, Window, ImplGenerateMouseMoveHdl )::tools::detail::makeLink( ::tools::detail::castTo<Window * >(mpWindowImpl->mpFrameWindow), &Window::LinkStubImplGenerateMouseMoveHdl ), nullptr, true ); | ||||||||
| 162 | } | ||||||||
| 163 | |||||||||
| 164 | IMPL_LINK_NOARG(Window, ImplGenerateMouseMoveHdl, void*, void)void Window::LinkStubImplGenerateMouseMoveHdl(void * instance , void* data) { return static_cast<Window *>(instance)-> ImplGenerateMouseMoveHdl(data); } void Window::ImplGenerateMouseMoveHdl (__attribute__ ((unused)) void*) | ||||||||
| 165 | { | ||||||||
| 166 | mpWindowImpl->mpFrameData->mnMouseMoveId = nullptr; | ||||||||
| 167 | vcl::Window* pCaptureWin = ImplGetSVData()->mpWinData->mpCaptureWin; | ||||||||
| 168 | if( ! pCaptureWin || | ||||||||
| 169 | (pCaptureWin->mpWindowImpl && pCaptureWin->mpWindowImpl->mpFrame == mpWindowImpl->mpFrame) | ||||||||
| 170 | ) | ||||||||
| 171 | { | ||||||||
| 172 | ImplCallMouseMove( mpWindowImpl->mpFrameData->mnMouseCode ); | ||||||||
| 173 | } | ||||||||
| 174 | } | ||||||||
| 175 | |||||||||
| 176 | void Window::ImplInvertFocus( const tools::Rectangle& rRect ) | ||||||||
| 177 | { | ||||||||
| 178 | InvertTracking( rRect, ShowTrackFlags::Small | ShowTrackFlags::TrackWindow ); | ||||||||
| 179 | } | ||||||||
| 180 | |||||||||
| 181 | static bool IsWindowFocused(const WindowImpl& rWinImpl) | ||||||||
| 182 | { | ||||||||
| 183 | if (rWinImpl.mpSysObj) | ||||||||
| 184 | return true; | ||||||||
| 185 | |||||||||
| 186 | if (rWinImpl.mpFrameData->mbHasFocus) | ||||||||
| 187 | return true; | ||||||||
| 188 | |||||||||
| 189 | if (rWinImpl.mbFakeFocusSet) | ||||||||
| 190 | return true; | ||||||||
| 191 | |||||||||
| 192 | return false; | ||||||||
| 193 | } | ||||||||
| 194 | |||||||||
| 195 | void Window::ImplGrabFocus( GetFocusFlags nFlags ) | ||||||||
| 196 | { | ||||||||
| 197 | // #143570# no focus for destructing windows | ||||||||
| 198 | if( !mpWindowImpl || mpWindowImpl->mbInDispose ) | ||||||||
| 199 | return; | ||||||||
| 200 | |||||||||
| 201 | // some event listeners do really bad stuff | ||||||||
| 202 | // => prepare for the worst | ||||||||
| 203 | VclPtr<vcl::Window> xWindow( this ); | ||||||||
| 204 | |||||||||
| 205 | // Currently the client window should always get the focus | ||||||||
| 206 | // Should the border window at some point be focusable | ||||||||
| 207 | // we need to change all GrabFocus() instances in VCL, | ||||||||
| 208 | // e.g. in ToTop() | ||||||||
| 209 | |||||||||
| 210 | if ( mpWindowImpl->mpClientWindow ) | ||||||||
| 211 | { | ||||||||
| 212 | // For a lack of design we need a little hack here to | ||||||||
| 213 | // ensure that dialogs on close pass the focus back to | ||||||||
| 214 | // the correct window | ||||||||
| 215 | if ( mpWindowImpl->mpLastFocusWindow && (mpWindowImpl->mpLastFocusWindow.get() != this) && | ||||||||
| 216 | !(mpWindowImpl->mnDlgCtrlFlags & DialogControlFlags::WantFocus) && | ||||||||
| 217 | mpWindowImpl->mpLastFocusWindow->IsEnabled() && | ||||||||
| 218 | mpWindowImpl->mpLastFocusWindow->IsInputEnabled() && | ||||||||
| 219 | ! mpWindowImpl->mpLastFocusWindow->IsInModalMode() | ||||||||
| 220 | ) | ||||||||
| 221 | mpWindowImpl->mpLastFocusWindow->GrabFocus(); | ||||||||
| 222 | else | ||||||||
| 223 | mpWindowImpl->mpClientWindow->GrabFocus(); | ||||||||
| 224 | return; | ||||||||
| 225 | } | ||||||||
| 226 | else if ( mpWindowImpl->mbFrame ) | ||||||||
| 227 | { | ||||||||
| 228 | // For a lack of design we need a little hack here to | ||||||||
| 229 | // ensure that dialogs on close pass the focus back to | ||||||||
| 230 | // the correct window | ||||||||
| 231 | if ( mpWindowImpl->mpLastFocusWindow && (mpWindowImpl->mpLastFocusWindow.get() != this) && | ||||||||
| 232 | !(mpWindowImpl->mnDlgCtrlFlags & DialogControlFlags::WantFocus) && | ||||||||
| 233 | mpWindowImpl->mpLastFocusWindow->IsEnabled() && | ||||||||
| 234 | mpWindowImpl->mpLastFocusWindow->IsInputEnabled() && | ||||||||
| 235 | ! mpWindowImpl->mpLastFocusWindow->IsInModalMode() | ||||||||
| 236 | ) | ||||||||
| 237 | { | ||||||||
| 238 | mpWindowImpl->mpLastFocusWindow->GrabFocus(); | ||||||||
| 239 | return; | ||||||||
| 240 | } | ||||||||
| 241 | } | ||||||||
| 242 | |||||||||
| 243 | // If the Window is disabled, then we don't change the focus | ||||||||
| 244 | if ( !IsEnabled() || !IsInputEnabled() || IsInModalMode() ) | ||||||||
| 245 | return; | ||||||||
| 246 | |||||||||
| 247 | // we only need to set the focus if it is not already set | ||||||||
| 248 | // note: if some other frame is waiting for an asynchronous focus event | ||||||||
| 249 | // we also have to post an asynchronous focus event for this frame | ||||||||
| 250 | // which is done using ToTop | ||||||||
| 251 | ImplSVData* pSVData = ImplGetSVData(); | ||||||||
| 252 | |||||||||
| 253 | bool bAsyncFocusWaiting = false; | ||||||||
| 254 | vcl::Window *pFrame = pSVData->maFrameData.mpFirstFrame; | ||||||||
| 255 | while( pFrame ) | ||||||||
| 256 | { | ||||||||
| 257 | if( pFrame != mpWindowImpl->mpFrameWindow.get() && pFrame->mpWindowImpl->mpFrameData->mnFocusId ) | ||||||||
| 258 | { | ||||||||
| 259 | bAsyncFocusWaiting = true; | ||||||||
| 260 | break; | ||||||||
| 261 | } | ||||||||
| 262 | pFrame = pFrame->mpWindowImpl->mpFrameData->mpNextFrame; | ||||||||
| 263 | } | ||||||||
| 264 | |||||||||
| 265 | bool bHasFocus = IsWindowFocused(*mpWindowImpl); | ||||||||
| 266 | |||||||||
| 267 | bool bMustNotGrabFocus = false; | ||||||||
| 268 | // #100242#, check parent hierarchy if some floater prohibits grab focus | ||||||||
| 269 | |||||||||
| 270 | vcl::Window *pParent = this; | ||||||||
| 271 | while( pParent ) | ||||||||
| 272 | { | ||||||||
| 273 | if ((pParent->GetStyle() & WB_SYSTEMFLOATWIN) && !(pParent->GetStyle() & WB_MOVEABLE)) | ||||||||
| 274 | { | ||||||||
| 275 | bMustNotGrabFocus = true; | ||||||||
| 276 | break; | ||||||||
| 277 | } | ||||||||
| 278 | pParent = pParent->mpWindowImpl->mpParent; | ||||||||
| 279 | } | ||||||||
| 280 | |||||||||
| 281 | if ( !(( pSVData->mpWinData->mpFocusWin.get() != this && | ||||||||
| 282 | !mpWindowImpl->mbInDispose ) || | ||||||||
| 283 | ( bAsyncFocusWaiting && !bHasFocus && !bMustNotGrabFocus )) ) | ||||||||
| 284 | return; | ||||||||
| 285 | |||||||||
| 286 | // EndExtTextInput if it is not the same window | ||||||||
| 287 | if (pSVData->mpWinData->mpExtTextInputWin | ||||||||
| 288 | && (pSVData->mpWinData->mpExtTextInputWin.get() != this)) | ||||||||
| 289 | pSVData->mpWinData->mpExtTextInputWin->EndExtTextInput(); | ||||||||
| 290 | |||||||||
| 291 | // mark this windows as the last FocusWindow | ||||||||
| 292 | vcl::Window* pOverlapWindow = ImplGetFirstOverlapWindow(); | ||||||||
| 293 | pOverlapWindow->mpWindowImpl->mpLastFocusWindow = this; | ||||||||
| 294 | mpWindowImpl->mpFrameData->mpFocusWin = this; | ||||||||
| 295 | |||||||||
| 296 | if( !bHasFocus
| ||||||||
| 297 | { | ||||||||
| 298 | // menu windows never get the system focus | ||||||||
| 299 | // the application will keep the focus | ||||||||
| 300 | if( bMustNotGrabFocus ) | ||||||||
| 301 | return; | ||||||||
| 302 | else | ||||||||
| 303 | { | ||||||||
| 304 | // here we already switch focus as ToTop() | ||||||||
| 305 | // should not give focus to another window | ||||||||
| 306 | mpWindowImpl->mpFrame->ToTop( SalFrameToTop::GrabFocus | SalFrameToTop::GrabFocusOnly ); | ||||||||
| 307 | return; | ||||||||
| 308 | } | ||||||||
| 309 | } | ||||||||
| 310 | |||||||||
| 311 | VclPtr<vcl::Window> pOldFocusWindow = pSVData->mpWinData->mpFocusWin; | ||||||||
| 312 | |||||||||
| 313 | pSVData->mpWinData->mpFocusWin = this; | ||||||||
| 314 | |||||||||
| 315 | if ( pOldFocusWindow && pOldFocusWindow->mpWindowImpl ) | ||||||||
| 316 | { | ||||||||
| 317 | // Cursor hidden | ||||||||
| 318 | if ( pOldFocusWindow->mpWindowImpl->mpCursor ) | ||||||||
| 319 | pOldFocusWindow->mpWindowImpl->mpCursor->ImplHide(); | ||||||||
| 320 | } | ||||||||
| 321 | |||||||||
| 322 | // !!!!! due to old SV-Office Activate/Deactivate handling | ||||||||
| 323 | // !!!!! first as before | ||||||||
| 324 | if ( pOldFocusWindow ) | ||||||||
| 325 | { | ||||||||
| 326 | // remember Focus | ||||||||
| 327 | vcl::Window* pOldOverlapWindow = pOldFocusWindow->ImplGetFirstOverlapWindow(); | ||||||||
| 328 | vcl::Window* pNewOverlapWindow = ImplGetFirstOverlapWindow(); | ||||||||
| 329 | if ( pOldOverlapWindow != pNewOverlapWindow ) | ||||||||
| 330 | ImplCallFocusChangeActivate( pNewOverlapWindow, pOldOverlapWindow ); | ||||||||
| 331 | } | ||||||||
| 332 | else | ||||||||
| 333 | { | ||||||||
| 334 | vcl::Window* pNewOverlapWindow = ImplGetFirstOverlapWindow(); | ||||||||
| 335 | vcl::Window* pNewRealWindow = pNewOverlapWindow->ImplGetWindow(); | ||||||||
| 336 | pNewOverlapWindow->mpWindowImpl->mbActive = true; | ||||||||
| 337 | pNewOverlapWindow->Activate(); | ||||||||
| 338 | if ( pNewRealWindow != pNewOverlapWindow ) | ||||||||
| 339 | { | ||||||||
| 340 | pNewRealWindow->mpWindowImpl->mbActive = true; | ||||||||
| 341 | pNewRealWindow->Activate(); | ||||||||
| 342 | } | ||||||||
| 343 | } | ||||||||
| 344 | |||||||||
| 345 | // call Get- and LoseFocus | ||||||||
| 346 | if ( pOldFocusWindow && ! pOldFocusWindow->IsDisposed() ) | ||||||||
| 347 | { | ||||||||
| 348 | NotifyEvent aNEvt( MouseNotifyEvent::LOSEFOCUS, pOldFocusWindow ); | ||||||||
| 349 | if ( !ImplCallPreNotify( aNEvt ) ) | ||||||||
| 350 | pOldFocusWindow->CompatLoseFocus(); | ||||||||
| 351 | pOldFocusWindow->ImplCallDeactivateListeners( this ); | ||||||||
| 352 | } | ||||||||
| 353 | |||||||||
| 354 | if (pSVData->mpWinData->mpFocusWin.get() == this) | ||||||||
| 355 | { | ||||||||
| 356 | if ( mpWindowImpl->mpSysObj ) | ||||||||
| 357 | { | ||||||||
| 358 | mpWindowImpl->mpFrameData->mpFocusWin = this; | ||||||||
| 359 | if ( !mpWindowImpl->mpFrameData->mbInSysObjFocusHdl ) | ||||||||
| 360 | mpWindowImpl->mpSysObj->GrabFocus(); | ||||||||
| 361 | } | ||||||||
| 362 | |||||||||
| 363 | if (pSVData->mpWinData->mpFocusWin.get() == this) | ||||||||
| 364 | { | ||||||||
| 365 | if ( mpWindowImpl->mpCursor ) | ||||||||
| 366 | mpWindowImpl->mpCursor->ImplShow(); | ||||||||
| 367 | mpWindowImpl->mbInFocusHdl = true; | ||||||||
| 368 | mpWindowImpl->mnGetFocusFlags = nFlags; | ||||||||
| 369 | // if we're changing focus due to closing a popup floating window | ||||||||
| 370 | // notify the new focus window so it can restore the inner focus | ||||||||
| 371 | // eg, toolboxes can select their recent active item | ||||||||
| 372 | if( pOldFocusWindow && | ||||||||
| 373 | ! pOldFocusWindow->IsDisposed() && | ||||||||
| 374 | ( pOldFocusWindow->GetDialogControlFlags() & DialogControlFlags::FloatWinPopupModeEndCancel ) ) | ||||||||
| 375 | mpWindowImpl->mnGetFocusFlags |= GetFocusFlags::FloatWinPopupModeEndCancel; | ||||||||
| 376 | NotifyEvent aNEvt( MouseNotifyEvent::GETFOCUS, this ); | ||||||||
| 377 | if ( !ImplCallPreNotify( aNEvt ) && !xWindow->IsDisposed() ) | ||||||||
| 378 | CompatGetFocus(); | ||||||||
| 379 | if( !xWindow->IsDisposed() ) | ||||||||
| 380 | ImplCallActivateListeners( (pOldFocusWindow && ! pOldFocusWindow->IsDisposed()) ? pOldFocusWindow : nullptr ); | ||||||||
| 381 | if( !xWindow->IsDisposed() ) | ||||||||
| 382 | { | ||||||||
| 383 | mpWindowImpl->mnGetFocusFlags = GetFocusFlags::NONE; | ||||||||
| 384 | mpWindowImpl->mbInFocusHdl = false; | ||||||||
| 385 | } | ||||||||
| 386 | } | ||||||||
| 387 | } | ||||||||
| 388 | |||||||||
| 389 | ImplNewInputContext(); | ||||||||
| 390 | |||||||||
| 391 | } | ||||||||
| 392 | |||||||||
| 393 | void Window::ImplGrabFocusToDocument( GetFocusFlags nFlags ) | ||||||||
| 394 | { | ||||||||
| 395 | vcl::Window *pWin = this; | ||||||||
| 396 | while( pWin ) | ||||||||
| |||||||||
| 397 | { | ||||||||
| 398 | if( !pWin->GetParent() ) | ||||||||
| 399 | { | ||||||||
| 400 | pWin->mpWindowImpl->mpFrame->GrabFocus(); | ||||||||
| 401 | pWin->ImplGetFrameWindow()->GetWindow( GetWindowType::Client )->ImplGrabFocus(nFlags); | ||||||||
| 402 | return; | ||||||||
| 403 | } | ||||||||
| 404 | pWin = pWin->GetParent(); | ||||||||
| 405 | } | ||||||||
| 406 | } | ||||||||
| 407 | |||||||||
| 408 | void Window::MouseMove( const MouseEvent& rMEvt ) | ||||||||
| 409 | { | ||||||||
| 410 | NotifyEvent aNEvt( MouseNotifyEvent::MOUSEMOVE, this, &rMEvt ); | ||||||||
| 411 | EventNotify(aNEvt); | ||||||||
| 412 | } | ||||||||
| 413 | |||||||||
| 414 | void Window::MouseButtonDown( const MouseEvent& rMEvt ) | ||||||||
| 415 | { | ||||||||
| 416 | NotifyEvent aNEvt( MouseNotifyEvent::MOUSEBUTTONDOWN, this, &rMEvt ); | ||||||||
| 417 | if (!EventNotify(aNEvt)) | ||||||||
| 418 | mpWindowImpl->mbMouseButtonDown = true; | ||||||||
| 419 | } | ||||||||
| 420 | |||||||||
| 421 | void Window::MouseButtonUp( const MouseEvent& rMEvt ) | ||||||||
| 422 | { | ||||||||
| 423 | NotifyEvent aNEvt( MouseNotifyEvent::MOUSEBUTTONUP, this, &rMEvt ); | ||||||||
| 424 | if (!EventNotify(aNEvt)) | ||||||||
| 425 | mpWindowImpl->mbMouseButtonUp = true; | ||||||||
| 426 | } | ||||||||
| 427 | |||||||||
| 428 | void Window::SetMouseTransparent( bool bTransparent ) | ||||||||
| 429 | { | ||||||||
| 430 | |||||||||
| 431 | if ( mpWindowImpl->mpBorderWindow ) | ||||||||
| 432 | mpWindowImpl->mpBorderWindow->SetMouseTransparent( bTransparent ); | ||||||||
| 433 | |||||||||
| 434 | if( mpWindowImpl->mpSysObj ) | ||||||||
| 435 | mpWindowImpl->mpSysObj->SetMouseTransparent( bTransparent ); | ||||||||
| 436 | |||||||||
| 437 | mpWindowImpl->mbMouseTransparent = bTransparent; | ||||||||
| 438 | } | ||||||||
| 439 | |||||||||
| 440 | void Window::CaptureMouse() | ||||||||
| 441 | { | ||||||||
| 442 | ImplSVData* pSVData = ImplGetSVData(); | ||||||||
| 443 | |||||||||
| 444 | // possibly stop tracking | ||||||||
| 445 | if (pSVData->mpWinData->mpTrackWin.get() != this) | ||||||||
| 446 | { | ||||||||
| 447 | if (pSVData->mpWinData->mpTrackWin) | ||||||||
| 448 | pSVData->mpWinData->mpTrackWin->EndTracking(TrackingEventFlags::Cancel); | ||||||||
| 449 | } | ||||||||
| 450 | |||||||||
| 451 | if (pSVData->mpWinData->mpCaptureWin.get() != this) | ||||||||
| 452 | { | ||||||||
| 453 | pSVData->mpWinData->mpCaptureWin = this; | ||||||||
| 454 | mpWindowImpl->mpFrame->CaptureMouse( true ); | ||||||||
| 455 | } | ||||||||
| 456 | } | ||||||||
| 457 | |||||||||
| 458 | void Window::ReleaseMouse() | ||||||||
| 459 | { | ||||||||
| 460 | if (IsMouseCaptured()) | ||||||||
| 461 | { | ||||||||
| 462 | ImplSVData* pSVData = ImplGetSVData(); | ||||||||
| 463 | pSVData->mpWinData->mpCaptureWin = nullptr; | ||||||||
| 464 | mpWindowImpl->mpFrame->CaptureMouse( false ); | ||||||||
| 465 | ImplGenerateMouseMove(); | ||||||||
| 466 | } | ||||||||
| 467 | } | ||||||||
| 468 | |||||||||
| 469 | bool Window::IsMouseCaptured() const | ||||||||
| 470 | { | ||||||||
| 471 | return (this == ImplGetSVData()->mpWinData->mpCaptureWin); | ||||||||
| 472 | } | ||||||||
| 473 | |||||||||
| 474 | void Window::SetPointer( PointerStyle nPointer ) | ||||||||
| 475 | { | ||||||||
| 476 | if ( mpWindowImpl->maPointer == nPointer ) | ||||||||
| 477 | return; | ||||||||
| 478 | |||||||||
| 479 | mpWindowImpl->maPointer = nPointer; | ||||||||
| 480 | |||||||||
| 481 | // possibly immediately move pointer | ||||||||
| 482 | if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() ) | ||||||||
| 483 | mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() ); | ||||||||
| 484 | |||||||||
| 485 | VclPtr<vcl::Window> pWin = GetParentWithLOKNotifier(); | ||||||||
| 486 | if (!pWin) | ||||||||
| 487 | return; | ||||||||
| 488 | |||||||||
| 489 | PointerStyle aPointer = GetPointer(); | ||||||||
| 490 | // We don't map all possible pointers hence we need a default | ||||||||
| 491 | OString aPointerString = "default"; | ||||||||
| 492 | auto aIt = vcl::gaLOKPointerMap.find(aPointer); | ||||||||
| 493 | if (aIt != vcl::gaLOKPointerMap.end()) | ||||||||
| 494 | { | ||||||||
| 495 | aPointerString = aIt->second; | ||||||||
| 496 | } | ||||||||
| 497 | |||||||||
| 498 | // issue mouse pointer events only for document windows | ||||||||
| 499 | // Doc windows' immediate parent SfxFrameViewWindow_Impl is the one with | ||||||||
| 500 | // parent notifier set during initialization | ||||||||
| 501 | if (GetParent()->ImplGetWindowImpl()->mbLOKParentNotifier && | ||||||||
| 502 | GetParent()->ImplGetWindowImpl()->mnLOKWindowId == 0) | ||||||||
| 503 | { | ||||||||
| 504 | pWin->GetLOKNotifier()->libreOfficeKitViewCallback(LOK_CALLBACK_MOUSE_POINTER, aPointerString.getStr()); | ||||||||
| 505 | } | ||||||||
| 506 | } | ||||||||
| 507 | |||||||||
| 508 | void Window::EnableChildPointerOverwrite( bool bOverwrite ) | ||||||||
| 509 | { | ||||||||
| 510 | |||||||||
| 511 | if ( mpWindowImpl->mbChildPtrOverwrite == bOverwrite ) | ||||||||
| 512 | return; | ||||||||
| 513 | |||||||||
| 514 | mpWindowImpl->mbChildPtrOverwrite = bOverwrite; | ||||||||
| 515 | |||||||||
| 516 | // possibly immediately move pointer | ||||||||
| 517 | if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() ) | ||||||||
| 518 | mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() ); | ||||||||
| 519 | } | ||||||||
| 520 | |||||||||
| 521 | void Window::SetPointerPosPixel( const Point& rPos ) | ||||||||
| 522 | { | ||||||||
| 523 | Point aPos = ImplOutputToFrame( rPos ); | ||||||||
| 524 | const OutputDevice *pOutDev = GetOutDev(); | ||||||||
| 525 | if( pOutDev->HasMirroredGraphics() ) | ||||||||
| 526 | { | ||||||||
| 527 | if( !IsRTLEnabled() ) | ||||||||
| 528 | { | ||||||||
| 529 | pOutDev->ReMirror( aPos ); | ||||||||
| 530 | } | ||||||||
| 531 | // mirroring is required here, SetPointerPos bypasses SalGraphics | ||||||||
| 532 | aPos.setX( mpGraphics->mirror2( aPos.X(), this ) ); | ||||||||
| 533 | } | ||||||||
| 534 | else if( ImplIsAntiparallel() ) | ||||||||
| 535 | { | ||||||||
| 536 | pOutDev->ReMirror( aPos ); | ||||||||
| 537 | } | ||||||||
| 538 | mpWindowImpl->mpFrame->SetPointerPos( aPos.X(), aPos.Y() ); | ||||||||
| 539 | } | ||||||||
| 540 | |||||||||
| 541 | void Window::SetLastMousePos(const Point& rPos) | ||||||||
| 542 | { | ||||||||
| 543 | // Do this conversion, so when GetPointerPosPixel() calls | ||||||||
| 544 | // ImplFrameToOutput(), we get back the original position. | ||||||||
| 545 | Point aPos = ImplOutputToFrame(rPos); | ||||||||
| 546 | mpWindowImpl->mpFrameData->mnLastMouseX = aPos.X(); | ||||||||
| 547 | mpWindowImpl->mpFrameData->mnLastMouseY = aPos.Y(); | ||||||||
| 548 | } | ||||||||
| 549 | |||||||||
| 550 | Point Window::GetPointerPosPixel() | ||||||||
| 551 | { | ||||||||
| 552 | |||||||||
| 553 | Point aPos( mpWindowImpl->mpFrameData->mnLastMouseX, mpWindowImpl->mpFrameData->mnLastMouseY ); | ||||||||
| 554 | if( ImplIsAntiparallel() ) | ||||||||
| 555 | { | ||||||||
| 556 | const OutputDevice *pOutDev = GetOutDev(); | ||||||||
| 557 | pOutDev->ReMirror( aPos ); | ||||||||
| 558 | } | ||||||||
| 559 | return ImplFrameToOutput( aPos ); | ||||||||
| 560 | } | ||||||||
| 561 | |||||||||
| 562 | Point Window::GetLastPointerPosPixel() | ||||||||
| 563 | { | ||||||||
| 564 | |||||||||
| 565 | Point aPos( mpWindowImpl->mpFrameData->mnBeforeLastMouseX, mpWindowImpl->mpFrameData->mnBeforeLastMouseY ); | ||||||||
| 566 | if( ImplIsAntiparallel() ) | ||||||||
| 567 | { | ||||||||
| 568 | const OutputDevice *pOutDev = GetOutDev(); | ||||||||
| 569 | pOutDev->ReMirror( aPos ); | ||||||||
| 570 | } | ||||||||
| 571 | return ImplFrameToOutput( aPos ); | ||||||||
| 572 | } | ||||||||
| 573 | |||||||||
| 574 | void Window::ShowPointer( bool bVisible ) | ||||||||
| 575 | { | ||||||||
| 576 | |||||||||
| 577 | if ( mpWindowImpl->mbNoPtrVisible != !bVisible ) | ||||||||
| 578 | { | ||||||||
| 579 | mpWindowImpl->mbNoPtrVisible = !bVisible; | ||||||||
| 580 | |||||||||
| 581 | // possibly immediately move pointer | ||||||||
| 582 | if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() ) | ||||||||
| 583 | mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() ); | ||||||||
| 584 | } | ||||||||
| 585 | } | ||||||||
| 586 | |||||||||
| 587 | Window::PointerState Window::GetPointerState() | ||||||||
| 588 | { | ||||||||
| 589 | PointerState aState; | ||||||||
| 590 | aState.mnState = 0; | ||||||||
| 591 | |||||||||
| 592 | if (mpWindowImpl->mpFrame) | ||||||||
| 593 | { | ||||||||
| 594 | SalFrame::SalPointerState aSalPointerState = mpWindowImpl->mpFrame->GetPointerState(); | ||||||||
| 595 | if( ImplIsAntiparallel() ) | ||||||||
| 596 | { | ||||||||
| 597 | const OutputDevice *pOutDev = GetOutDev(); | ||||||||
| 598 | pOutDev->ReMirror( aSalPointerState.maPos ); | ||||||||
| 599 | } | ||||||||
| 600 | aState.maPos = ImplFrameToOutput( aSalPointerState.maPos ); | ||||||||
| 601 | aState.mnState = aSalPointerState.mnState; | ||||||||
| 602 | } | ||||||||
| 603 | return aState; | ||||||||
| 604 | } | ||||||||
| 605 | |||||||||
| 606 | bool Window::IsMouseOver() const | ||||||||
| 607 | { | ||||||||
| 608 | return ImplGetWinData()->mbMouseOver; | ||||||||
| 609 | } | ||||||||
| 610 | |||||||||
| 611 | void Window::EnterWait() | ||||||||
| 612 | { | ||||||||
| 613 | |||||||||
| 614 | mpWindowImpl->mnWaitCount++; | ||||||||
| 615 | |||||||||
| 616 | if ( mpWindowImpl->mnWaitCount == 1 ) | ||||||||
| 617 | { | ||||||||
| 618 | // possibly immediately move pointer | ||||||||
| 619 | if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() ) | ||||||||
| 620 | mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() ); | ||||||||
| 621 | } | ||||||||
| 622 | } | ||||||||
| 623 | |||||||||
| 624 | void Window::LeaveWait() | ||||||||
| 625 | { | ||||||||
| 626 | |||||||||
| 627 | if ( mpWindowImpl->mnWaitCount ) | ||||||||
| 628 | { | ||||||||
| 629 | mpWindowImpl->mnWaitCount--; | ||||||||
| 630 | |||||||||
| 631 | if ( !mpWindowImpl->mnWaitCount ) | ||||||||
| 632 | { | ||||||||
| 633 | // possibly immediately move pointer | ||||||||
| 634 | if ( !mpWindowImpl->mpFrameData->mbInMouseMove && ImplTestMousePointerSet() ) | ||||||||
| 635 | mpWindowImpl->mpFrame->SetPointer( ImplGetMousePointer() ); | ||||||||
| 636 | } | ||||||||
| 637 | } | ||||||||
| 638 | } | ||||||||
| 639 | |||||||||
| 640 | bool Window::ImplStopDnd() | ||||||||
| 641 | { | ||||||||
| 642 | bool bRet = false; | ||||||||
| 643 | if( mpWindowImpl->mpFrameData && mpWindowImpl->mpFrameData->mxDropTargetListener.is() ) | ||||||||
| 644 | { | ||||||||
| 645 | bRet = true; | ||||||||
| 646 | mpWindowImpl->mpFrameData->mxDropTarget.clear(); | ||||||||
| 647 | mpWindowImpl->mpFrameData->mxDragSource.clear(); | ||||||||
| 648 | mpWindowImpl->mpFrameData->mxDropTargetListener.clear(); | ||||||||
| 649 | } | ||||||||
| 650 | |||||||||
| 651 | return bRet; | ||||||||
| 652 | } | ||||||||
| 653 | |||||||||
| 654 | void Window::ImplStartDnd() | ||||||||
| 655 | { | ||||||||
| 656 | GetDropTarget(); | ||||||||
| 657 | } | ||||||||
| 658 | |||||||||
| 659 | Reference< css::datatransfer::dnd::XDropTarget > Window::GetDropTarget() | ||||||||
| 660 | { | ||||||||
| 661 | if( !mpWindowImpl ) | ||||||||
| 662 | return Reference< css::datatransfer::dnd::XDropTarget >(); | ||||||||
| 663 | |||||||||
| 664 | if( ! mpWindowImpl->mxDNDListenerContainer.is() ) | ||||||||
| 665 | { | ||||||||
| 666 | sal_Int8 nDefaultActions = 0; | ||||||||
| 667 | |||||||||
| 668 | if( mpWindowImpl->mpFrameData ) | ||||||||
| 669 | { | ||||||||
| 670 | if( ! mpWindowImpl->mpFrameData->mxDropTarget.is() ) | ||||||||
| 671 | { | ||||||||
| 672 | // initialization is done in GetDragSource | ||||||||
| 673 | GetDragSource(); | ||||||||
| 674 | } | ||||||||
| 675 | |||||||||
| 676 | if( mpWindowImpl->mpFrameData->mxDropTarget.is() ) | ||||||||
| 677 | { | ||||||||
| 678 | nDefaultActions = mpWindowImpl->mpFrameData->mxDropTarget->getDefaultActions(); | ||||||||
| 679 | |||||||||
| 680 | if( ! mpWindowImpl->mpFrameData->mxDropTargetListener.is() ) | ||||||||
| 681 | { | ||||||||
| 682 | mpWindowImpl->mpFrameData->mxDropTargetListener = new DNDEventDispatcher( mpWindowImpl->mpFrameWindow ); | ||||||||
| 683 | |||||||||
| 684 | try | ||||||||
| 685 | { | ||||||||
| 686 | mpWindowImpl->mpFrameData->mxDropTarget->addDropTargetListener( mpWindowImpl->mpFrameData->mxDropTargetListener ); | ||||||||
| 687 | |||||||||
| 688 | // register also as drag gesture listener if directly supported by drag source | ||||||||
| 689 | Reference< css::datatransfer::dnd::XDragGestureRecognizer > xDragGestureRecognizer( | ||||||||
| 690 | mpWindowImpl->mpFrameData->mxDragSource, UNO_QUERY); | ||||||||
| 691 | |||||||||
| 692 | if( xDragGestureRecognizer.is() ) | ||||||||
| 693 | { | ||||||||
| 694 | xDragGestureRecognizer->addDragGestureListener( | ||||||||
| 695 | Reference< css::datatransfer::dnd::XDragGestureListener > (mpWindowImpl->mpFrameData->mxDropTargetListener, UNO_QUERY)); | ||||||||
| 696 | } | ||||||||
| 697 | else | ||||||||
| 698 | mpWindowImpl->mpFrameData->mbInternalDragGestureRecognizer = true; | ||||||||
| 699 | |||||||||
| 700 | } | ||||||||
| 701 | catch (const RuntimeException&) | ||||||||
| 702 | { | ||||||||
| 703 | // release all instances | ||||||||
| 704 | mpWindowImpl->mpFrameData->mxDropTarget.clear(); | ||||||||
| 705 | mpWindowImpl->mpFrameData->mxDragSource.clear(); | ||||||||
| 706 | } | ||||||||
| 707 | } | ||||||||
| 708 | } | ||||||||
| 709 | |||||||||
| 710 | } | ||||||||
| 711 | |||||||||
| 712 | mpWindowImpl->mxDNDListenerContainer = static_cast < css::datatransfer::dnd::XDropTarget * > ( new DNDListenerContainer( nDefaultActions ) ); | ||||||||
| 713 | } | ||||||||
| 714 | |||||||||
| 715 | // this object is located in the same process, so there will be no runtime exception | ||||||||
| 716 | return Reference< css::datatransfer::dnd::XDropTarget > ( mpWindowImpl->mxDNDListenerContainer, UNO_QUERY ); | ||||||||
| 717 | } | ||||||||
| 718 | |||||||||
| 719 | Reference< css::datatransfer::dnd::XDragSource > Window::GetDragSource() | ||||||||
| 720 | { | ||||||||
| 721 | |||||||||
| 722 | #if HAVE_FEATURE_DESKTOP1 | ||||||||
| 723 | |||||||||
| 724 | if( mpWindowImpl->mpFrameData ) | ||||||||
| 725 | { | ||||||||
| 726 | if( ! mpWindowImpl->mpFrameData->mxDragSource.is() ) | ||||||||
| 727 | { | ||||||||
| 728 | try | ||||||||
| 729 | { | ||||||||
| 730 | Reference< XComponentContext > xContext( comphelper::getProcessComponentContext() ); | ||||||||
| 731 | const SystemEnvData * pEnvData = GetSystemData(); | ||||||||
| 732 | |||||||||
| 733 | if( pEnvData ) | ||||||||
| 734 | { | ||||||||
| 735 | Sequence< Any > aDragSourceAL( 2 ), aDropTargetAL( 2 ); | ||||||||
| 736 | OUString aDragSourceSN, aDropTargetSN; | ||||||||
| 737 | #if defined(_WIN32) | ||||||||
| 738 | aDragSourceSN = "com.sun.star.datatransfer.dnd.OleDragSource"; | ||||||||
| 739 | aDropTargetSN = "com.sun.star.datatransfer.dnd.OleDropTarget"; | ||||||||
| 740 | aDragSourceAL[ 1 ] <<= static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->hWnd) ); | ||||||||
| 741 | aDropTargetAL[ 0 ] <<= static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->hWnd) ); | ||||||||
| 742 | #elif defined MACOSX | ||||||||
| 743 | /* FIXME: macOS specific dnd interface does not exist! * | ||||||||
| 744 | * Using Windows based dnd as a temporary solution */ | ||||||||
| 745 | aDragSourceSN = "com.sun.star.datatransfer.dnd.OleDragSource"; | ||||||||
| 746 | aDropTargetSN = "com.sun.star.datatransfer.dnd.OleDropTarget"; | ||||||||
| 747 | aDragSourceAL[ 1 ] <<= static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->mpNSView) ); | ||||||||
| 748 | aDropTargetAL[ 0 ] <<= static_cast<sal_uInt64>( reinterpret_cast<sal_IntPtr>(pEnvData->mpNSView) ); | ||||||||
| 749 | #elif HAVE_FEATURE_X111 | ||||||||
| 750 | aDragSourceSN = "com.sun.star.datatransfer.dnd.X11DragSource"; | ||||||||
| 751 | aDropTargetSN = "com.sun.star.datatransfer.dnd.X11DropTarget"; | ||||||||
| 752 | |||||||||
| 753 | aDragSourceAL[ 0 ] <<= Application::GetDisplayConnection(); | ||||||||
| 754 | aDragSourceAL[ 1 ] <<= pEnvData->aShellWindow; | ||||||||
| 755 | aDropTargetAL[ 0 ] <<= Application::GetDisplayConnection(); | ||||||||
| 756 | aDropTargetAL[ 1 ] <<= pEnvData->aShellWindow; | ||||||||
| 757 | #endif | ||||||||
| 758 | if( !aDragSourceSN.isEmpty() ) | ||||||||
| 759 | mpWindowImpl->mpFrameData->mxDragSource.set( | ||||||||
| 760 | xContext->getServiceManager()->createInstanceWithArgumentsAndContext( aDragSourceSN, aDragSourceAL, xContext ), | ||||||||
| 761 | UNO_QUERY ); | ||||||||
| 762 | |||||||||
| 763 | if( !aDropTargetSN.isEmpty() ) | ||||||||
| 764 | mpWindowImpl->mpFrameData->mxDropTarget.set( | ||||||||
| 765 | xContext->getServiceManager()->createInstanceWithArgumentsAndContext( aDropTargetSN, aDropTargetAL, xContext ), | ||||||||
| 766 | UNO_QUERY ); | ||||||||
| 767 | } | ||||||||
| 768 | } | ||||||||
| 769 | |||||||||
| 770 | // createInstance can throw any exception | ||||||||
| 771 | catch (const Exception&) | ||||||||
| 772 | { | ||||||||
| 773 | // release all instances | ||||||||
| 774 | mpWindowImpl->mpFrameData->mxDropTarget.clear(); | ||||||||
| 775 | mpWindowImpl->mpFrameData->mxDragSource.clear(); | ||||||||
| 776 | } | ||||||||
| 777 | } | ||||||||
| 778 | |||||||||
| 779 | return mpWindowImpl->mpFrameData->mxDragSource; | ||||||||
| 780 | } | ||||||||
| 781 | #endif | ||||||||
| 782 | return Reference< css::datatransfer::dnd::XDragSource > (); | ||||||||
| 783 | } | ||||||||
| 784 | |||||||||
| 785 | Reference< css::datatransfer::dnd::XDragGestureRecognizer > Window::GetDragGestureRecognizer() | ||||||||
| 786 | { | ||||||||
| 787 | return Reference< css::datatransfer::dnd::XDragGestureRecognizer > ( GetDropTarget(), UNO_QUERY ); | ||||||||
| 788 | } | ||||||||
| 789 | |||||||||
| 790 | } /* namespace vcl */ | ||||||||
| 791 | |||||||||
| 792 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | ||||||||
| 2 | /* | ||||||||
| 3 | * This file is part of the LibreOffice project. | ||||||||
| 4 | * | ||||||||
| 5 | * This Source Code Form is subject to the terms of the Mozilla Public | ||||||||
| 6 | * License, v. 2.0. If a copy of the MPL was not distributed with this | ||||||||
| 7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||||||||
| 8 | * | ||||||||
| 9 | * This file incorporates work covered by the following license notice: | ||||||||
| 10 | * | ||||||||
| 11 | * Licensed to the Apache Software Foundation (ASF) under one or more | ||||||||
| 12 | * contributor license agreements. See the NOTICE file distributed | ||||||||
| 13 | * with this work for additional information regarding copyright | ||||||||
| 14 | * ownership. The ASF licenses this file to you under the Apache | ||||||||
| 15 | * License, Version 2.0 (the "License"); you may not use this file | ||||||||
| 16 | * except in compliance with the License. You may obtain a copy of | ||||||||
| 17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . | ||||||||
| 18 | */ | ||||||||
| 19 | |||||||||
| 20 | #ifndef INCLUDED_RTL_REF_HXX | ||||||||
| 21 | #define INCLUDED_RTL_REF_HXX | ||||||||
| 22 | |||||||||
| 23 | #include "sal/config.h" | ||||||||
| 24 | |||||||||
| 25 | #include <cassert> | ||||||||
| 26 | #include <cstddef> | ||||||||
| 27 | #include <functional> | ||||||||
| 28 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
| 29 | #include <type_traits> | ||||||||
| 30 | #endif | ||||||||
| 31 | |||||||||
| 32 | #include "sal/types.h" | ||||||||
| 33 | |||||||||
| 34 | namespace rtl | ||||||||
| 35 | { | ||||||||
| 36 | |||||||||
| 37 | /** Template reference class for reference type. | ||||||||
| 38 | */ | ||||||||
| 39 | template <class reference_type> | ||||||||
| 40 | class Reference | ||||||||
| 41 | { | ||||||||
| 42 | /** The <b>reference_type</b> body pointer. | ||||||||
| 43 | */ | ||||||||
| 44 | reference_type * m_pBody; | ||||||||
| 45 | |||||||||
| 46 | |||||||||
| 47 | public: | ||||||||
| 48 | /** Constructor... | ||||||||
| 49 | */ | ||||||||
| 50 | Reference() | ||||||||
| 51 | : m_pBody (NULL__null) | ||||||||
| 52 | {} | ||||||||
| 53 | |||||||||
| 54 | |||||||||
| 55 | /** Constructor... | ||||||||
| 56 | */ | ||||||||
| 57 | Reference (reference_type * pBody, __sal_NoAcquire) | ||||||||
| 58 | : m_pBody (pBody) | ||||||||
| 59 | { | ||||||||
| 60 | } | ||||||||
| 61 | |||||||||
| 62 | /** Constructor... | ||||||||
| 63 | */ | ||||||||
| 64 | Reference (reference_type * pBody) | ||||||||
| 65 | : m_pBody (pBody) | ||||||||
| 66 | { | ||||||||
| 67 | if (m_pBody) | ||||||||
| 68 | m_pBody->acquire(); | ||||||||
| 69 | } | ||||||||
| 70 | |||||||||
| 71 | /** Copy constructor... | ||||||||
| 72 | */ | ||||||||
| 73 | Reference (const Reference<reference_type> & handle) | ||||||||
| 74 | : m_pBody (handle.m_pBody) | ||||||||
| 75 | { | ||||||||
| 76 | if (m_pBody) | ||||||||
| 77 | m_pBody->acquire(); | ||||||||
| 78 | } | ||||||||
| 79 | |||||||||
| 80 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
| 81 | /** Move constructor... | ||||||||
| 82 | */ | ||||||||
| 83 | Reference (Reference<reference_type> && handle) noexcept | ||||||||
| 84 | : m_pBody (handle.m_pBody) | ||||||||
| 85 | { | ||||||||
| 86 | handle.m_pBody = nullptr; | ||||||||
| 87 | } | ||||||||
| 88 | #endif | ||||||||
| 89 | |||||||||
| 90 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
| 91 | /** Up-casting conversion constructor: Copies interface reference. | ||||||||
| 92 | |||||||||
| 93 | Does not work for up-casts to ambiguous bases. | ||||||||
| 94 | |||||||||
| 95 | @param rRef another reference | ||||||||
| 96 | */ | ||||||||
| 97 | template< class derived_type > | ||||||||
| 98 | inline Reference( | ||||||||
| 99 | const Reference< derived_type > & rRef, | ||||||||
| 100 | std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 ) | ||||||||
| 101 | : m_pBody (rRef.get()) | ||||||||
| 102 | { | ||||||||
| 103 | if (m_pBody) | ||||||||
| 104 | m_pBody->acquire(); | ||||||||
| 105 | } | ||||||||
| 106 | #endif | ||||||||
| 107 | |||||||||
| 108 | /** Destructor... | ||||||||
| 109 | */ | ||||||||
| 110 | ~Reference() COVERITY_NOEXCEPT_FALSE | ||||||||
| 111 | { | ||||||||
| 112 | if (m_pBody) | ||||||||
| 113 | m_pBody->release(); | ||||||||
| 114 | } | ||||||||
| 115 | |||||||||
| 116 | /** Set... | ||||||||
| 117 | Similar to assignment. | ||||||||
| 118 | */ | ||||||||
| 119 | Reference<reference_type> & | ||||||||
| 120 | SAL_CALL set (reference_type * pBody) | ||||||||
| 121 | { | ||||||||
| 122 | if (pBody
| ||||||||
| 123 | pBody->acquire(); | ||||||||
| 124 | reference_type * const pOld = m_pBody; | ||||||||
| 125 | m_pBody = pBody; | ||||||||
| 126 | if (pOld
| ||||||||
| 127 | pOld->release(); | ||||||||
| 128 | return *this; | ||||||||
| 129 | } | ||||||||
| 130 | |||||||||
| 131 | /** Assignment. | ||||||||
| 132 | Unbinds this instance from its body (if bound) and | ||||||||
| 133 | bind it to the body represented by the handle. | ||||||||
| 134 | */ | ||||||||
| 135 | Reference<reference_type> & | ||||||||
| 136 | SAL_CALL operator= (const Reference<reference_type> & handle) | ||||||||
| 137 | { | ||||||||
| 138 | return set( handle.m_pBody ); | ||||||||
| 139 | } | ||||||||
| 140 | |||||||||
| 141 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
| 142 | /** Assignment. | ||||||||
| 143 | * Unbinds this instance from its body (if bound), | ||||||||
| 144 | * bind it to the body represented by the handle, and | ||||||||
| 145 | * set the body represented by the handle to nullptr. | ||||||||
| 146 | */ | ||||||||
| 147 | Reference<reference_type> & | ||||||||
| 148 | operator= (Reference<reference_type> && handle) | ||||||||
| 149 | { | ||||||||
| 150 | // self-movement guts ourself | ||||||||
| 151 | if (m_pBody) | ||||||||
| 152 | m_pBody->release(); | ||||||||
| 153 | m_pBody = handle.m_pBody; | ||||||||
| 154 | handle.m_pBody = nullptr; | ||||||||
| 155 | return *this; | ||||||||
| 156 | } | ||||||||
| 157 | #endif | ||||||||
| 158 | |||||||||
| 159 | /** Assignment... | ||||||||
| 160 | */ | ||||||||
| 161 | Reference<reference_type> & | ||||||||
| 162 | SAL_CALL operator= (reference_type * pBody) | ||||||||
| 163 | { | ||||||||
| 164 | return set( pBody ); | ||||||||
| 165 | } | ||||||||
| 166 | |||||||||
| 167 | /** Unbind the body from this handle. | ||||||||
| 168 | Note that for a handle representing a large body, | ||||||||
| 169 | "handle.clear().set(new body());" _might_ | ||||||||
| 170 | perform a little bit better than "handle.set(new body());", | ||||||||
| 171 | since in the second case two large objects exist in memory | ||||||||
| 172 | (the old body and the new body). | ||||||||
| 173 | */ | ||||||||
| 174 | Reference<reference_type> & SAL_CALL clear() | ||||||||
| 175 | { | ||||||||
| 176 | if (m_pBody) | ||||||||
| 177 | { | ||||||||
| 178 | reference_type * const pOld = m_pBody; | ||||||||
| 179 | m_pBody = NULL__null; | ||||||||
| 180 | pOld->release(); | ||||||||
| 181 | } | ||||||||
| 182 | return *this; | ||||||||
| 183 | } | ||||||||
| 184 | |||||||||
| 185 | |||||||||
| 186 | /** Get the body. Can be used instead of operator->(). | ||||||||
| 187 | I.e. handle->someBodyOp() and handle.get()->someBodyOp() | ||||||||
| 188 | are the same. | ||||||||
| 189 | */ | ||||||||
| 190 | reference_type * SAL_CALL get() const | ||||||||
| 191 | { | ||||||||
| 192 | return m_pBody; | ||||||||
| |||||||||
| 193 | } | ||||||||
| 194 | |||||||||
| 195 | |||||||||
| 196 | /** Probably most common used: handle->someBodyOp(). | ||||||||
| 197 | */ | ||||||||
| 198 | reference_type * SAL_CALL operator->() const | ||||||||
| 199 | { | ||||||||
| 200 | assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail ("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx" , 200, __extension__ __PRETTY_FUNCTION__)); | ||||||||
| 201 | return m_pBody; | ||||||||
| 202 | } | ||||||||
| 203 | |||||||||
| 204 | |||||||||
| 205 | /** Allows (*handle).someBodyOp(). | ||||||||
| 206 | */ | ||||||||
| 207 | reference_type & SAL_CALL operator*() const | ||||||||
| 208 | { | ||||||||
| 209 | assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail ("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx" , 209, __extension__ __PRETTY_FUNCTION__)); | ||||||||
| 210 | return *m_pBody; | ||||||||
| 211 | } | ||||||||
| 212 | |||||||||
| 213 | |||||||||
| 214 | /** Returns True if the handle does point to a valid body. | ||||||||
| 215 | */ | ||||||||
| 216 | bool SAL_CALL is() const | ||||||||
| 217 | { | ||||||||
| 218 | return (m_pBody != NULL__null); | ||||||||
| 219 | } | ||||||||
| 220 | |||||||||
| 221 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
| 222 | /** Returns True if the handle does point to a valid body. | ||||||||
| 223 | */ | ||||||||
| 224 | explicit operator bool() const | ||||||||
| 225 | { | ||||||||
| 226 | return is(); | ||||||||
| 227 | } | ||||||||
| 228 | #endif | ||||||||
| 229 | |||||||||
| 230 | /** Returns True if this points to pBody. | ||||||||
| 231 | */ | ||||||||
| 232 | bool SAL_CALL operator== (const reference_type * pBody) const | ||||||||
| 233 | { | ||||||||
| 234 | return (m_pBody == pBody); | ||||||||
| 235 | } | ||||||||
| 236 | |||||||||
| 237 | |||||||||
| 238 | /** Returns True if handle points to the same body. | ||||||||
| 239 | */ | ||||||||
| 240 | bool | ||||||||
| 241 | SAL_CALL operator== (const Reference<reference_type> & handle) const | ||||||||
| 242 | { | ||||||||
| 243 | return (m_pBody == handle.m_pBody); | ||||||||
| 244 | } | ||||||||
| 245 | |||||||||
| 246 | |||||||||
| 247 | /** Needed to place References into STL collection. | ||||||||
| 248 | */ | ||||||||
| 249 | bool | ||||||||
| 250 | SAL_CALL operator!= (const Reference<reference_type> & handle) const | ||||||||
| 251 | { | ||||||||
| 252 | return (m_pBody != handle.m_pBody); | ||||||||
| 253 | } | ||||||||
| 254 | |||||||||
| 255 | |||||||||
| 256 | /** Needed to place References into STL collection. | ||||||||
| 257 | */ | ||||||||
| 258 | bool | ||||||||
| 259 | SAL_CALL operator< (const Reference<reference_type> & handle) const | ||||||||
| 260 | { | ||||||||
| 261 | return (m_pBody < handle.m_pBody); | ||||||||
| 262 | } | ||||||||
| 263 | |||||||||
| 264 | |||||||||
| 265 | /** Needed to place References into STL collection. | ||||||||
| 266 | */ | ||||||||
| 267 | bool | ||||||||
| 268 | SAL_CALL operator> (const Reference<reference_type> & handle) const | ||||||||
| 269 | { | ||||||||
| 270 | return (m_pBody > handle.m_pBody); | ||||||||
| 271 | } | ||||||||
| 272 | }; | ||||||||
| 273 | |||||||||
| 274 | } // namespace rtl | ||||||||
| 275 | |||||||||
| 276 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
| 277 | namespace std | ||||||||
| 278 | { | ||||||||
| 279 | |||||||||
| 280 | /// @cond INTERNAL | ||||||||
| 281 | /** | ||||||||
| 282 | Make rtl::Reference hashable by default for use in STL containers. | ||||||||
| 283 | |||||||||
| 284 | @since LibreOffice 6.3 | ||||||||
| 285 | */ | ||||||||
| 286 | template<typename T> | ||||||||
| 287 | struct hash<::rtl::Reference<T>> | ||||||||
| 288 | { | ||||||||
| 289 | std::size_t operator()(::rtl::Reference<T> const & s) const | ||||||||
| 290 | { return std::size_t(s.get()); } | ||||||||
| 291 | }; | ||||||||
| 292 | /// @endcond | ||||||||
| 293 | |||||||||
| 294 | } | ||||||||
| 295 | |||||||||
| 296 | #endif | ||||||||
| 297 | |||||||||
| 298 | #endif /* ! INCLUDED_RTL_REF_HXX */ | ||||||||
| 299 | |||||||||
| 300 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| 2 | /* |
| 3 | * This file is part of the LibreOffice project. |
| 4 | * |
| 5 | * This Source Code Form is subject to the terms of the Mozilla Public |
| 6 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| 8 | * |
| 9 | * This file incorporates work covered by the following license notice: |
| 10 | * |
| 11 | * Licensed to the Apache Software Foundation (ASF) under one or more |
| 12 | * contributor license agreements. See the NOTICE file distributed |
| 13 | * with this work for additional information regarding copyright |
| 14 | * ownership. The ASF licenses this file to you under the Apache |
| 15 | * License, Version 2.0 (the "License"); you may not use this file |
| 16 | * except in compliance with the License. You may obtain a copy of |
| 17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
| 18 | */ |
| 19 | |
| 20 | #ifndef INCLUDED_VCL_PTR_HXX |
| 21 | #define INCLUDED_VCL_PTR_HXX |
| 22 | |
| 23 | #include <sal/config.h> |
| 24 | |
| 25 | #include <rtl/ref.hxx> |
| 26 | |
| 27 | #include <utility> |
| 28 | #include <type_traits> |
| 29 | |
| 30 | #ifdef DBG_UTIL |
| 31 | #ifndef _WIN32 |
| 32 | #include <vcl/vclmain.hxx> |
| 33 | #endif |
| 34 | #endif |
| 35 | |
| 36 | class VclReferenceBase; |
| 37 | |
| 38 | namespace vcl::detail { |
| 39 | |
| 40 | template<typename> |
| 41 | constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; } |
| 42 | |
| 43 | template<typename T> constexpr bool isIncompleteOrDerivedFromVclReferenceBase( |
| 44 | int (*)[sizeof(T)]) |
| 45 | { return std::is_base_of<VclReferenceBase, T>::value; } |
| 46 | |
| 47 | } // namespace vcl::detail |
| 48 | |
| 49 | /** |
| 50 | * A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses. |
| 51 | * |
| 52 | * For more details on the design please see vcl/README.lifecycle |
| 53 | * |
| 54 | * @param reference_type must be a subclass of vcl::Window |
| 55 | */ |
| 56 | template <class reference_type> |
| 57 | class VclPtr |
| 58 | { |
| 59 | static_assert( |
| 60 | vcl::detail::isIncompleteOrDerivedFromVclReferenceBase<reference_type>( |
| 61 | nullptr), |
| 62 | "template argument type must be derived from VclReferenceBase"); |
| 63 | |
| 64 | ::rtl::Reference<reference_type> m_rInnerRef; |
| 65 | |
| 66 | public: |
| 67 | /** Constructor... |
| 68 | */ |
| 69 | VclPtr() |
| 70 | : m_rInnerRef() |
| 71 | {} |
| 72 | |
| 73 | /** Constructor... |
| 74 | */ |
| 75 | VclPtr (reference_type * pBody) |
| 76 | : m_rInnerRef(pBody) |
| 77 | {} |
| 78 | |
| 79 | /** Constructor... that doesn't take a ref. |
| 80 | */ |
| 81 | VclPtr (reference_type * pBody, __sal_NoAcquire) |
| 82 | : m_rInnerRef(pBody, SAL_NO_ACQUIRE) |
| 83 | {} |
| 84 | |
| 85 | /** Up-casting conversion constructor: Copies interface reference. |
| 86 | |
| 87 | Does not work for up-casts to ambiguous bases. For the special case of |
| 88 | up-casting to Reference< XInterface >, see the corresponding conversion |
| 89 | operator. |
| 90 | |
| 91 | @param rRef another reference |
| 92 | */ |
| 93 | template< class derived_type > |
| 94 | VclPtr( |
| 95 | const VclPtr< derived_type > & rRef, |
| 96 | typename std::enable_if< |
| 97 | std::is_base_of<reference_type, derived_type>::value, int>::type |
| 98 | = 0 ) |
| 99 | : m_rInnerRef( static_cast<reference_type*>(rRef) ) |
| 100 | { |
| 101 | } |
| 102 | |
| 103 | #if defined(DBG_UTIL) && !defined(_WIN32) |
| 104 | virtual ~VclPtr() |
| 105 | { |
| 106 | assert(m_rInnerRef.get() == nullptr || vclmain::isAlive())(static_cast <bool> (m_rInnerRef.get() == nullptr || vclmain ::isAlive()) ? void (0) : __assert_fail ("m_rInnerRef.get() == nullptr || vclmain::isAlive()" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 106, __extension__ __PRETTY_FUNCTION__)); |
| 107 | // We can be one of the intermediate counts, but if we are the last |
| 108 | // VclPtr keeping this object alive, then something forgot to call dispose(). |
| 109 | assert((!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1)(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef ->isDisposed() || m_rInnerRef->getRefCount() > 1) && "someone forgot to call dispose()") ? void (0) : __assert_fail ("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\"" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 110, __extension__ __PRETTY_FUNCTION__)) |
| 110 | && "someone forgot to call dispose()")(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef ->isDisposed() || m_rInnerRef->getRefCount() > 1) && "someone forgot to call dispose()") ? void (0) : __assert_fail ("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\"" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 110, __extension__ __PRETTY_FUNCTION__)); |
| 111 | } |
| 112 | VclPtr(VclPtr const &) = default; |
| 113 | VclPtr(VclPtr &&) = default; |
| 114 | VclPtr & operator =(VclPtr const &) = default; |
| 115 | VclPtr & operator =(VclPtr &&) = default; |
| 116 | #endif |
| 117 | |
| 118 | /** |
| 119 | * A construction helper for VclPtr. Since VclPtr types are created |
| 120 | * with a reference-count of one - to help fit into the existing |
| 121 | * code-flow; this helps us to construct them easily. |
| 122 | * |
| 123 | * For more details on the design please see vcl/README.lifecycle |
| 124 | * |
| 125 | * @tparam reference_type must be a subclass of vcl::Window |
| 126 | */ |
| 127 | template<typename... Arg> [[nodiscard]] static VclPtr< reference_type > Create(Arg &&... arg) |
| 128 | { |
| 129 | return VclPtr< reference_type >( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ); |
| 130 | } |
| 131 | |
| 132 | /** Probably most common used: handle->someBodyOp(). |
| 133 | */ |
| 134 | reference_type * operator->() const |
| 135 | { |
| 136 | return m_rInnerRef.get(); |
| 137 | } |
| 138 | |
| 139 | /** Get the body. Can be used instead of operator->(). |
| 140 | I.e. handle->someBodyOp() and handle.get()->someBodyOp() |
| 141 | are the same. |
| 142 | */ |
| 143 | reference_type * get() const |
| 144 | { |
| 145 | return m_rInnerRef.get(); |
| 146 | } |
| 147 | |
| 148 | void set(reference_type *pBody) |
| 149 | { |
| 150 | m_rInnerRef.set(pBody); |
| 151 | } |
| 152 | |
| 153 | void reset(reference_type *pBody) |
| 154 | { |
| 155 | m_rInnerRef.set(pBody); |
| 156 | } |
| 157 | |
| 158 | /** Up-casting copy assignment operator. |
| 159 | |
| 160 | Does not work for up-casts to ambiguous bases. |
| 161 | |
| 162 | @param rRef another reference |
| 163 | */ |
| 164 | template<typename derived_type> |
| 165 | typename std::enable_if< |
| 166 | std::is_base_of<reference_type, derived_type>::value, |
| 167 | VclPtr &>::type |
| 168 | operator =(VclPtr<derived_type> const & rRef) |
| 169 | { |
| 170 | m_rInnerRef.set(rRef.get()); |
| 171 | return *this; |
| 172 | } |
| 173 | |
| 174 | VclPtr & operator =(reference_type * pBody) |
| 175 | { |
| 176 | m_rInnerRef.set(pBody); |
| 177 | return *this; |
| 178 | } |
| 179 | |
| 180 | operator reference_type * () const |
| 181 | { |
| 182 | return m_rInnerRef.get(); |
| 183 | } |
| 184 | |
| 185 | explicit operator bool () const |
| 186 | { |
| 187 | return m_rInnerRef.get() != nullptr; |
| 188 | } |
| 189 | |
| 190 | void clear() |
| 191 | { |
| 192 | m_rInnerRef.clear(); |
| 193 | } |
| 194 | |
| 195 | void reset() |
| 196 | { |
| 197 | m_rInnerRef.clear(); |
| 198 | } |
| 199 | |
| 200 | void disposeAndClear() |
| 201 | { |
| 202 | // hold it alive for the lifetime of this method |
| 203 | ::rtl::Reference<reference_type> aTmp(m_rInnerRef); |
| 204 | m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-) |
| 205 | if (aTmp.get()) { |
| 206 | aTmp->disposeOnce(); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | /** Needed to place VclPtr's into STL collection. |
| 211 | */ |
| 212 | bool operator< (const VclPtr<reference_type> & handle) const |
| 213 | { |
| 214 | return (m_rInnerRef < handle.m_rInnerRef); |
| 215 | } |
| 216 | }; // class VclPtr |
| 217 | |
| 218 | template<typename T1, typename T2> |
| 219 | inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
| 220 | return p1.get() == p2.get(); |
| 221 | } |
| 222 | |
| 223 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2) |
| 224 | { |
| 225 | return p1.get() == p2; |
| 226 | } |
| 227 | |
| 228 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) { |
| 229 | return p1.get() == p2; |
| 230 | } |
| 231 | |
| 232 | template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2) |
| 233 | { |
| 234 | return p1 == p2.get(); |
| 235 | } |
| 236 | |
| 237 | template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) { |
| 238 | return p1 == p2.get(); |
| 239 | } |
| 240 | |
| 241 | template<typename T1, typename T2> |
| 242 | inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
| 243 | return !(p1 == p2); |
| 244 | } |
| 245 | |
| 246 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2) |
| 247 | { |
| 248 | return !(p1 == p2); |
| 249 | } |
| 250 | |
| 251 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) { |
| 252 | return !(p1 == p2); |
| 253 | } |
| 254 | |
| 255 | template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2) |
| 256 | { |
| 257 | return !(p1 == p2); |
| 258 | } |
| 259 | |
| 260 | template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) { |
| 261 | return !(p1 == p2); |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * A construction helper for a temporary VclPtr. Since VclPtr types |
| 266 | * are created with a reference-count of one - to help fit into |
| 267 | * the existing code-flow; this helps us to construct them easily. |
| 268 | * see also VclPtr::Create and ScopedVclPtr |
| 269 | * |
| 270 | * For more details on the design please see vcl/README.lifecycle |
| 271 | * |
| 272 | * @param reference_type must be a subclass of vcl::Window |
| 273 | */ |
| 274 | template <class reference_type> |
| 275 | class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type> |
| 276 | { |
| 277 | public: |
| 278 | template<typename... Arg> VclPtrInstance(Arg &&... arg) |
| 279 | : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ) |
| 280 | { |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Override and disallow this, to prevent people accidentally calling it and actually |
| 285 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
| 286 | */ |
| 287 | template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete; |
| 288 | }; |
| 289 | |
| 290 | template <class reference_type> |
| 291 | class ScopedVclPtr : public VclPtr<reference_type> |
| 292 | { |
| 293 | public: |
| 294 | /** Constructor... |
| 295 | */ |
| 296 | ScopedVclPtr() |
| 297 | : VclPtr<reference_type>() |
| 298 | {} |
| 299 | |
| 300 | /** Constructor |
| 301 | */ |
| 302 | ScopedVclPtr (reference_type * pBody) |
| 303 | : VclPtr<reference_type>(pBody) |
| 304 | {} |
| 305 | |
| 306 | /** Copy constructor... |
| 307 | */ |
| 308 | ScopedVclPtr (const VclPtr<reference_type> & handle) |
| 309 | : VclPtr<reference_type>(handle) |
| 310 | {} |
| 311 | |
| 312 | /** |
| 313 | Assignment that releases the last reference. |
| 314 | */ |
| 315 | void disposeAndReset(reference_type *pBody) |
| 316 | { |
| 317 | if (pBody != this->get()) { |
| 318 | VclPtr<reference_type>::disposeAndClear(); |
| 319 | VclPtr<reference_type>::set(pBody); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | Assignment that releases the last reference. |
| 325 | */ |
| 326 | ScopedVclPtr<reference_type>& operator = (reference_type * pBody) |
| 327 | { |
| 328 | disposeAndReset(pBody); |
| 329 | return *this; |
| 330 | } |
| 331 | |
| 332 | /** Up-casting conversion constructor: Copies interface reference. |
| 333 | |
| 334 | Does not work for up-casts to ambiguous bases. For the special case of |
| 335 | up-casting to Reference< XInterface >, see the corresponding conversion |
| 336 | operator. |
| 337 | |
| 338 | @param rRef another reference |
| 339 | */ |
| 340 | template< class derived_type > |
| 341 | ScopedVclPtr( |
| 342 | const VclPtr< derived_type > & rRef, |
| 343 | typename std::enable_if< |
| 344 | std::is_base_of<reference_type, derived_type>::value, int>::type |
| 345 | = 0 ) |
| 346 | : VclPtr<reference_type>( rRef ) |
| 347 | { |
| 348 | } |
| 349 | |
| 350 | /** Up-casting assignment operator. |
| 351 | |
| 352 | Does not work for up-casts to ambiguous bases. |
| 353 | |
| 354 | @param rRef another VclPtr |
| 355 | */ |
| 356 | template<typename derived_type> |
| 357 | typename std::enable_if< |
| 358 | std::is_base_of<reference_type, derived_type>::value, |
| 359 | ScopedVclPtr &>::type |
| 360 | operator =(VclPtr<derived_type> const & rRef) |
| 361 | { |
| 362 | disposeAndReset(rRef.get()); |
| 363 | return *this; |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Override and disallow this, to prevent people accidentally calling it and actually |
| 368 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
| 369 | */ |
| 370 | template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete; |
| 371 | |
| 372 | ~ScopedVclPtr() |
| 373 | { |
| 374 | VclPtr<reference_type>::disposeAndClear(); |
| 375 | assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get( ) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 375, __extension__ __PRETTY_FUNCTION__)); // make sure there are no lingering references |
| 376 | } |
| 377 | |
| 378 | private: |
| 379 | // Most likely we don't want this default copy-constructor. |
| 380 | ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete; |
| 381 | // And certainly we don't want a default assignment operator. |
| 382 | ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete; |
| 383 | // And disallow reset as that doesn't call disposeAndClear on the original reference |
| 384 | void reset() = delete; |
| 385 | void reset(reference_type *pBody) = delete; |
| 386 | |
| 387 | protected: |
| 388 | ScopedVclPtr (reference_type * pBody, __sal_NoAcquire) |
| 389 | : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE) |
| 390 | {} |
| 391 | }; |
| 392 | |
| 393 | /** |
| 394 | * A construction helper for ScopedVclPtr. Since VclPtr types are created |
| 395 | * with a reference-count of one - to help fit into the existing |
| 396 | * code-flow; this helps us to construct them easily. |
| 397 | * |
| 398 | * For more details on the design please see vcl/README.lifecycle |
| 399 | * |
| 400 | * @param reference_type must be a subclass of vcl::Window |
| 401 | */ |
| 402 | #if defined _MSC_VER |
| 403 | #pragma warning(push) |
| 404 | #pragma warning(disable: 4521) // " multiple copy constructors specified" |
| 405 | #endif |
| 406 | template <class reference_type> |
| 407 | class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type> |
| 408 | { |
| 409 | public: |
| 410 | template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg) |
| 411 | : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ) |
| 412 | { |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * Override and disallow this, to prevent people accidentally calling it and actually |
| 417 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
| 418 | */ |
| 419 | template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete; |
| 420 | |
| 421 | private: |
| 422 | // Prevent the above perfect forwarding ctor from hijacking (accidental) |
| 423 | // attempts at ScopedVclPtrInstance copy construction (where the hijacking |
| 424 | // would typically lead to somewhat obscure error messages); both non-const |
| 425 | // and const variants are needed here, as the ScopedVclPtr base class has a |
| 426 | // const--variant copy ctor, so the implicitly declared copy ctor for |
| 427 | // ScopedVclPtrInstance would also be the const variant, so non-const copy |
| 428 | // construction attempts would be hijacked by the perfect forwarding ctor; |
| 429 | // but if we only declared a non-const variant here, the const variant would |
| 430 | // no longer be implicitly declared (as there would already be an explicitly |
| 431 | // declared copy ctor), so const copy construction attempts would then be |
| 432 | // hijacked by the perfect forwarding ctor: |
| 433 | ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete; |
| 434 | ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete; |
| 435 | }; |
| 436 | #if defined _MSC_VER |
| 437 | #pragma warning(pop) |
| 438 | #endif |
| 439 | |
| 440 | #endif // INCLUDED_VCL_PTR_HXX |
| 441 | |
| 442 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| 2 | /* |
| 3 | * This file is part of the LibreOffice project. |
| 4 | * |
| 5 | * This Source Code Form is subject to the terms of the Mozilla Public |
| 6 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| 7 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| 8 | * |
| 9 | * This file incorporates work covered by the following license notice: |
| 10 | * |
| 11 | * Licensed to the Apache Software Foundation (ASF) under one or more |
| 12 | * contributor license agreements. See the NOTICE file distributed |
| 13 | * with this work for additional information regarding copyright |
| 14 | * ownership. The ASF licenses this file to you under the Apache |
| 15 | * License, Version 2.0 (the "License"); you may not use this file |
| 16 | * except in compliance with the License. You may obtain a copy of |
| 17 | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
| 18 | */ |
| 19 | #ifndef INCLUDED_VCL_Reference_HXX |
| 20 | #define INCLUDED_VCL_Reference_HXX |
| 21 | |
| 22 | #include <vcl/dllapi.h> |
| 23 | #include <osl/interlck.h> |
| 24 | |
| 25 | class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase |
| 26 | { |
| 27 | mutable oslInterlockedCount mnRefCnt; |
| 28 | |
| 29 | template<typename T> friend class VclPtr; |
| 30 | |
| 31 | public: |
| 32 | void acquire() const |
| 33 | { |
| 34 | osl_atomic_increment(&mnRefCnt)__sync_add_and_fetch((&mnRefCnt), 1); |
| 35 | } |
| 36 | |
| 37 | void release() const |
| 38 | { |
| 39 | if (osl_atomic_decrement(&mnRefCnt)__sync_sub_and_fetch((&mnRefCnt), 1) == 0) |
| 40 | delete this; |
| 41 | } |
| 42 | #ifdef DBG_UTIL |
| 43 | #ifndef _WIN32 |
| 44 | sal_Int32 getRefCount() const { return mnRefCnt; } |
| 45 | #endif |
| 46 | #endif |
| 47 | |
| 48 | |
| 49 | private: |
| 50 | VclReferenceBase(const VclReferenceBase&) = delete; |
| 51 | VclReferenceBase& operator=(const VclReferenceBase&) = delete; |
| 52 | |
| 53 | bool mbDisposed : 1; |
| 54 | |
| 55 | protected: |
| 56 | VclReferenceBase(); |
| 57 | protected: |
| 58 | virtual ~VclReferenceBase(); |
| 59 | |
| 60 | protected: |
| 61 | virtual void dispose(); |
| 62 | |
| 63 | public: |
| 64 | void disposeOnce(); |
| 65 | bool isDisposed() const { return mbDisposed; } |
| 66 | |
| 67 | }; |
| 68 | #endif |