/src/libreoffice/vcl/source/window/clipping.cxx
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1 | | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
2 | | /* |
3 | | * This file is part of the LibreOffice project. |
4 | | * |
5 | | * This Source Code Form is subject to the terms of the Mozilla Public |
6 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
7 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
8 | | * |
9 | | * This file incorporates work covered by the following license notice: |
10 | | * |
11 | | * Licensed to the Apache Software Foundation (ASF) under one or more |
12 | | * contributor license agreements. See the NOTICE file distributed |
13 | | * with this work for additional information regarding copyright |
14 | | * ownership. The ASF licenses this file to you under the Apache |
15 | | * License, Version 2.0 (the "License"); you may not use this file |
16 | | * except in compliance with the License. You may obtain a copy of |
17 | | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
18 | | */ |
19 | | |
20 | | #include <vcl/window.hxx> |
21 | | #include <vcl/virdev.hxx> |
22 | | |
23 | | #include <tools/debug.hxx> |
24 | | |
25 | | #include <salobj.hxx> |
26 | | #include <window.h> |
27 | | |
28 | | namespace vcl { |
29 | | |
30 | | vcl::Region WindowOutputDevice::GetOutputBoundsClipRegion() const |
31 | 0 | { |
32 | 0 | vcl::Region aClip(GetClipRegion()); |
33 | 0 | aClip.Intersect(tools::Rectangle(Point(), GetOutputSize())); |
34 | |
|
35 | 0 | return aClip; |
36 | 0 | } |
37 | | |
38 | | void WindowOutputDevice::InitClipRegion() |
39 | 0 | { |
40 | 0 | DBG_TESTSOLARMUTEX(); |
41 | |
|
42 | 0 | vcl::Region aRegion; |
43 | |
|
44 | 0 | if ( mxOwnerWindow->mpWindowImpl->mbInPaint ) |
45 | 0 | aRegion = *(mxOwnerWindow->mpWindowImpl->mpPaintRegion); |
46 | 0 | else |
47 | 0 | { |
48 | 0 | aRegion = mxOwnerWindow->ImplGetWinChildClipRegion(); |
49 | | // only this region is in frame coordinates, so re-mirror it |
50 | | // the mpWindowImpl->mpPaintRegion above is already correct (see ImplCallPaint()) ! |
51 | 0 | if( ImplIsAntiparallel() ) |
52 | 0 | ReMirror ( aRegion ); |
53 | 0 | } |
54 | 0 | if ( mbClipRegion ) |
55 | 0 | aRegion.Intersect( ImplPixelToDevicePixel( maRegion ) ); |
56 | 0 | if ( aRegion.IsEmpty() ) |
57 | 0 | mbOutputClipped = true; |
58 | 0 | else |
59 | 0 | { |
60 | 0 | mbOutputClipped = false; |
61 | 0 | SelectClipRegion( aRegion ); |
62 | 0 | } |
63 | 0 | mbClipRegionSet = true; |
64 | |
|
65 | 0 | mbInitClipRegion = false; |
66 | 0 | } |
67 | | |
68 | | void Window::SetParentClipMode( ParentClipMode nMode ) |
69 | 0 | { |
70 | 0 | if ( mpWindowImpl->mpBorderWindow ) |
71 | 0 | mpWindowImpl->mpBorderWindow->SetParentClipMode( nMode ); |
72 | 0 | else |
73 | 0 | { |
74 | 0 | if ( !ImplIsOverlapWindow() ) |
75 | 0 | { |
76 | 0 | mpWindowImpl->mnParentClipMode = nMode; |
77 | 0 | if ( nMode & ParentClipMode::Clip ) |
78 | 0 | mpWindowImpl->mpParent->mpWindowImpl->mbClipChildren = true; |
79 | 0 | } |
80 | 0 | } |
81 | 0 | } |
82 | | |
83 | | ParentClipMode Window::GetParentClipMode() const |
84 | 0 | { |
85 | 0 | if ( mpWindowImpl->mpBorderWindow ) |
86 | 0 | return mpWindowImpl->mpBorderWindow->GetParentClipMode(); |
87 | 0 | else |
88 | 0 | return mpWindowImpl->mnParentClipMode; |
89 | 0 | } |
90 | | |
91 | | void Window::ExpandPaintClipRegion( const vcl::Region& rRegion ) |
92 | 0 | { |
93 | 0 | if( !mpWindowImpl->mpPaintRegion ) |
94 | 0 | return; |
95 | | |
96 | 0 | vcl::Region aPixRegion = LogicToPixel( rRegion ); |
97 | 0 | vcl::Region aDevPixRegion = GetOutDev()->ImplPixelToDevicePixel( aPixRegion ); |
98 | |
|
99 | 0 | vcl::Region aWinChildRegion = ImplGetWinChildClipRegion(); |
100 | | // only this region is in frame coordinates, so re-mirror it |
101 | 0 | if( GetOutDev()->ImplIsAntiparallel() ) |
102 | 0 | { |
103 | 0 | const OutputDevice *pOutDev = GetOutDev(); |
104 | 0 | pOutDev->ReMirror( aWinChildRegion ); |
105 | 0 | } |
106 | |
|
107 | 0 | aDevPixRegion.Intersect( aWinChildRegion ); |
108 | 0 | if( ! aDevPixRegion.IsEmpty() ) |
109 | 0 | { |
110 | 0 | mpWindowImpl->mpPaintRegion->Union( aDevPixRegion ); |
111 | 0 | GetOutDev()->mbInitClipRegion = true; |
112 | 0 | } |
113 | 0 | } |
114 | | |
115 | | vcl::Region Window::GetWindowClipRegionPixel() const |
116 | 0 | { |
117 | 0 | vcl::Region aWinClipRegion; |
118 | |
|
119 | 0 | if ( mpWindowImpl->mbInitWinClipRegion ) |
120 | 0 | const_cast<vcl::Window*>(this)->ImplInitWinClipRegion(); |
121 | 0 | aWinClipRegion = mpWindowImpl->maWinClipRegion; |
122 | |
|
123 | 0 | vcl::Region aWinRegion( GetOutputRectPixel() ); |
124 | |
|
125 | 0 | if ( aWinRegion == aWinClipRegion ) |
126 | 0 | aWinClipRegion.SetNull(); |
127 | |
|
128 | 0 | aWinClipRegion.Move( -GetOutDev()->mnOutOffX, -GetOutDev()->mnOutOffY ); |
129 | |
|
130 | 0 | return aWinClipRegion; |
131 | 0 | } |
132 | | |
133 | | |
134 | | vcl::Region WindowOutputDevice::GetActiveClipRegion() const |
135 | 0 | { |
136 | 0 | vcl::Region aRegion(true); |
137 | |
|
138 | 0 | if ( mxOwnerWindow->mpWindowImpl->mbInPaint ) |
139 | 0 | { |
140 | 0 | aRegion = *(mxOwnerWindow->mpWindowImpl->mpPaintRegion); |
141 | 0 | aRegion.Move( -mnOutOffX, -mnOutOffY ); |
142 | 0 | } |
143 | |
|
144 | 0 | if ( mbClipRegion ) |
145 | 0 | aRegion.Intersect( maRegion ); |
146 | |
|
147 | 0 | return PixelToLogic( aRegion ); |
148 | 0 | } |
149 | | |
150 | | void WindowOutputDevice::ClipToPaintRegion(tools::Rectangle& rDstRect) |
151 | 0 | { |
152 | 0 | const vcl::Region aPaintRgn(mxOwnerWindow->GetPaintRegion()); |
153 | |
|
154 | 0 | if (!aPaintRgn.IsNull()) |
155 | 0 | rDstRect.Intersection(LogicToPixel(aPaintRgn.GetBoundRect())); |
156 | 0 | } |
157 | | |
158 | | void Window::EnableClipSiblings( bool bClipSiblings ) |
159 | 0 | { |
160 | |
|
161 | 0 | if ( mpWindowImpl->mpBorderWindow ) |
162 | 0 | mpWindowImpl->mpBorderWindow->EnableClipSiblings( bClipSiblings ); |
163 | |
|
164 | 0 | mpWindowImpl->mbClipSiblings = bClipSiblings; |
165 | 0 | } |
166 | | |
167 | | void Window::ImplClipBoundaries( vcl::Region& rRegion, bool bThis, bool bOverlaps ) |
168 | 0 | { |
169 | 0 | if ( bThis ) |
170 | 0 | ImplIntersectWindowClipRegion( rRegion ); |
171 | 0 | else if ( ImplIsOverlapWindow() ) |
172 | 0 | { |
173 | | // clip to frame if required |
174 | 0 | if ( !mpWindowImpl->mbFrame ) |
175 | 0 | rRegion.Intersect( tools::Rectangle( Point( 0, 0 ), mpWindowImpl->mpFrameWindow->GetOutputSizePixel() ) ); |
176 | |
|
177 | 0 | if ( bOverlaps && !rRegion.IsEmpty() ) |
178 | 0 | { |
179 | | // Clip Overlap Siblings |
180 | 0 | vcl::Window* pStartOverlapWindow = this; |
181 | 0 | while ( !pStartOverlapWindow->mpWindowImpl->mbFrame ) |
182 | 0 | { |
183 | 0 | vcl::Window* pOverlapWindow = pStartOverlapWindow->mpWindowImpl->mpOverlapWindow->mpWindowImpl->mpFirstOverlap; |
184 | 0 | while ( pOverlapWindow && (pOverlapWindow != pStartOverlapWindow) ) |
185 | 0 | { |
186 | 0 | pOverlapWindow->ImplExcludeOverlapWindows2( rRegion ); |
187 | 0 | pOverlapWindow = pOverlapWindow->mpWindowImpl->mpNext; |
188 | 0 | } |
189 | 0 | pStartOverlapWindow = pStartOverlapWindow->mpWindowImpl->mpOverlapWindow; |
190 | 0 | } |
191 | | |
192 | | // Clip Child Overlap Windows |
193 | 0 | ImplExcludeOverlapWindows( rRegion ); |
194 | 0 | } |
195 | 0 | } |
196 | 0 | else |
197 | 0 | ImplGetParent()->ImplIntersectWindowClipRegion( rRegion ); |
198 | 0 | } |
199 | | |
200 | | bool Window::ImplClipChildren( vcl::Region& rRegion ) const |
201 | 0 | { |
202 | 0 | bool bOtherClip = false; |
203 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstChild; |
204 | 0 | while ( pWindow ) |
205 | 0 | { |
206 | 0 | if ( pWindow->mpWindowImpl->mbReallyVisible ) |
207 | 0 | { |
208 | | // read-out ParentClipMode-Flags |
209 | 0 | ParentClipMode nClipMode = pWindow->GetParentClipMode(); |
210 | 0 | if ( !(nClipMode & ParentClipMode::NoClip) && |
211 | 0 | ((nClipMode & ParentClipMode::Clip) || (GetStyle() & WB_CLIPCHILDREN)) ) |
212 | 0 | pWindow->ImplExcludeWindowRegion( rRegion ); |
213 | 0 | else |
214 | 0 | bOtherClip = true; |
215 | 0 | } |
216 | |
|
217 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
218 | 0 | } |
219 | |
|
220 | 0 | return bOtherClip; |
221 | 0 | } |
222 | | |
223 | | void Window::ImplClipAllChildren( vcl::Region& rRegion ) const |
224 | 0 | { |
225 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstChild; |
226 | 0 | while ( pWindow ) |
227 | 0 | { |
228 | 0 | if ( pWindow->mpWindowImpl->mbReallyVisible ) |
229 | 0 | pWindow->ImplExcludeWindowRegion( rRegion ); |
230 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
231 | 0 | } |
232 | 0 | } |
233 | | |
234 | | void Window::ImplClipSiblings( vcl::Region& rRegion ) const |
235 | 0 | { |
236 | 0 | vcl::Window* pWindow = ImplGetParent()->mpWindowImpl->mpFirstChild; |
237 | 0 | while ( pWindow ) |
238 | 0 | { |
239 | 0 | if ( pWindow == this ) |
240 | 0 | break; |
241 | | |
242 | 0 | if ( pWindow->mpWindowImpl->mbReallyVisible ) |
243 | 0 | pWindow->ImplExcludeWindowRegion( rRegion ); |
244 | |
|
245 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
246 | 0 | } |
247 | 0 | } |
248 | | |
249 | | void Window::ImplInitWinClipRegion() |
250 | 0 | { |
251 | | // Build Window Region |
252 | 0 | mpWindowImpl->maWinClipRegion = GetOutputRectPixel(); |
253 | 0 | if ( mpWindowImpl->mbWinRegion ) |
254 | 0 | mpWindowImpl->maWinClipRegion.Intersect( GetOutDev()->ImplPixelToDevicePixel( mpWindowImpl->maWinRegion ) ); |
255 | | |
256 | | // ClipSiblings |
257 | 0 | if ( mpWindowImpl->mbClipSiblings && !ImplIsOverlapWindow() ) |
258 | 0 | ImplClipSiblings( mpWindowImpl->maWinClipRegion ); |
259 | | |
260 | | // Clip Parent Boundaries |
261 | 0 | ImplClipBoundaries( mpWindowImpl->maWinClipRegion, false, true ); |
262 | | |
263 | | // Clip Children |
264 | 0 | if ( (GetStyle() & WB_CLIPCHILDREN) || mpWindowImpl->mbClipChildren ) |
265 | 0 | mpWindowImpl->mbInitChildRegion = true; |
266 | |
|
267 | 0 | mpWindowImpl->mbInitWinClipRegion = false; |
268 | 0 | } |
269 | | |
270 | | void Window::ImplInitWinChildClipRegion() |
271 | 0 | { |
272 | 0 | if ( !mpWindowImpl->mpFirstChild ) |
273 | 0 | { |
274 | 0 | mpWindowImpl->mpChildClipRegion.reset(); |
275 | 0 | } |
276 | 0 | else |
277 | 0 | { |
278 | 0 | if ( !mpWindowImpl->mpChildClipRegion ) |
279 | 0 | mpWindowImpl->mpChildClipRegion.reset( new vcl::Region( mpWindowImpl->maWinClipRegion ) ); |
280 | 0 | else |
281 | 0 | *mpWindowImpl->mpChildClipRegion = mpWindowImpl->maWinClipRegion; |
282 | |
|
283 | 0 | ImplClipChildren( *mpWindowImpl->mpChildClipRegion ); |
284 | 0 | } |
285 | |
|
286 | 0 | mpWindowImpl->mbInitChildRegion = false; |
287 | 0 | } |
288 | | |
289 | | Region& Window::ImplGetWinChildClipRegion() |
290 | 0 | { |
291 | 0 | if ( mpWindowImpl->mbInitWinClipRegion ) |
292 | 0 | ImplInitWinClipRegion(); |
293 | 0 | if ( mpWindowImpl->mbInitChildRegion ) |
294 | 0 | ImplInitWinChildClipRegion(); |
295 | 0 | if ( mpWindowImpl->mpChildClipRegion ) |
296 | 0 | return *mpWindowImpl->mpChildClipRegion; |
297 | 0 | return mpWindowImpl->maWinClipRegion; |
298 | 0 | } |
299 | | |
300 | | bool Window::ImplSysObjClip( const vcl::Region* pOldRegion ) |
301 | 0 | { |
302 | 0 | bool bUpdate = true; |
303 | |
|
304 | 0 | if ( mpWindowImpl->mpSysObj ) |
305 | 0 | { |
306 | 0 | bool bVisibleState = mpWindowImpl->mbReallyVisible; |
307 | |
|
308 | 0 | if ( bVisibleState ) |
309 | 0 | { |
310 | 0 | vcl::Region& rWinChildClipRegion = ImplGetWinChildClipRegion(); |
311 | |
|
312 | 0 | if (!rWinChildClipRegion.IsEmpty()) |
313 | 0 | { |
314 | 0 | if ( pOldRegion ) |
315 | 0 | { |
316 | 0 | vcl::Region aNewRegion = rWinChildClipRegion; |
317 | 0 | rWinChildClipRegion.Intersect(*pOldRegion); |
318 | 0 | bUpdate = aNewRegion == rWinChildClipRegion; |
319 | 0 | } |
320 | |
|
321 | 0 | vcl::Region aRegion = rWinChildClipRegion; |
322 | 0 | vcl::Region aWinRectRegion( GetOutputRectPixel() ); |
323 | |
|
324 | 0 | if ( aRegion == aWinRectRegion ) |
325 | 0 | mpWindowImpl->mpSysObj->ResetClipRegion(); |
326 | 0 | else |
327 | 0 | { |
328 | 0 | aRegion.Move( -GetOutDev()->mnOutOffX, -GetOutDev()->mnOutOffY ); |
329 | | |
330 | | // set/update clip region |
331 | 0 | RectangleVector aRectangles; |
332 | 0 | aRegion.GetRegionRectangles(aRectangles); |
333 | 0 | mpWindowImpl->mpSysObj->BeginSetClipRegion(aRectangles.size()); |
334 | |
|
335 | 0 | for (auto const& rectangle : aRectangles) |
336 | 0 | { |
337 | 0 | mpWindowImpl->mpSysObj->UnionClipRegion( |
338 | 0 | rectangle.Left(), |
339 | 0 | rectangle.Top(), |
340 | 0 | rectangle.GetWidth(), // orig nWidth was ((R - L) + 1), same as GetWidth does |
341 | 0 | rectangle.GetHeight()); // same for height |
342 | 0 | } |
343 | |
|
344 | 0 | mpWindowImpl->mpSysObj->EndSetClipRegion(); |
345 | 0 | } |
346 | 0 | } |
347 | 0 | else |
348 | 0 | bVisibleState = false; |
349 | 0 | } |
350 | | |
351 | | // update visible status |
352 | 0 | mpWindowImpl->mpSysObj->Show( bVisibleState ); |
353 | 0 | } |
354 | |
|
355 | 0 | return bUpdate; |
356 | 0 | } |
357 | | |
358 | | void Window::ImplUpdateSysObjChildrenClip() |
359 | 0 | { |
360 | 0 | if ( mpWindowImpl->mpSysObj && mpWindowImpl->mbInitWinClipRegion ) |
361 | 0 | ImplSysObjClip( nullptr ); |
362 | |
|
363 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstChild; |
364 | 0 | while ( pWindow ) |
365 | 0 | { |
366 | 0 | pWindow->ImplUpdateSysObjChildrenClip(); |
367 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
368 | 0 | } |
369 | 0 | } |
370 | | |
371 | | void Window::ImplUpdateSysObjOverlapsClip() |
372 | 0 | { |
373 | 0 | ImplUpdateSysObjChildrenClip(); |
374 | |
|
375 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstOverlap; |
376 | 0 | while ( pWindow ) |
377 | 0 | { |
378 | 0 | pWindow->ImplUpdateSysObjOverlapsClip(); |
379 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
380 | 0 | } |
381 | 0 | } |
382 | | |
383 | | void Window::ImplUpdateSysObjClip() |
384 | 0 | { |
385 | 0 | if ( !ImplIsOverlapWindow() ) |
386 | 0 | { |
387 | 0 | ImplUpdateSysObjChildrenClip(); |
388 | | |
389 | | // siblings should recalculate their clip region |
390 | 0 | if ( mpWindowImpl->mbClipSiblings ) |
391 | 0 | { |
392 | 0 | vcl::Window* pWindow = mpWindowImpl->mpNext; |
393 | 0 | while ( pWindow ) |
394 | 0 | { |
395 | 0 | pWindow->ImplUpdateSysObjChildrenClip(); |
396 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
397 | 0 | } |
398 | 0 | } |
399 | 0 | } |
400 | 0 | else |
401 | 0 | mpWindowImpl->mpFrameWindow->ImplUpdateSysObjOverlapsClip(); |
402 | 0 | } |
403 | | |
404 | | bool Window::ImplSetClipFlagChildren( bool bSysObjOnlySmaller ) |
405 | 0 | { |
406 | 0 | bool bUpdate = true; |
407 | 0 | if ( mpWindowImpl->mpSysObj ) |
408 | 0 | { |
409 | 0 | std::unique_ptr<vcl::Region> pOldRegion; |
410 | 0 | if ( bSysObjOnlySmaller && !mpWindowImpl->mbInitWinClipRegion ) |
411 | 0 | pOldRegion.reset(new vcl::Region( mpWindowImpl->maWinClipRegion )); |
412 | |
|
413 | 0 | GetOutDev()->mbInitClipRegion = true; |
414 | 0 | mpWindowImpl->mbInitWinClipRegion = true; |
415 | |
|
416 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstChild; |
417 | 0 | while ( pWindow ) |
418 | 0 | { |
419 | 0 | if ( !pWindow->ImplSetClipFlagChildren( bSysObjOnlySmaller ) ) |
420 | 0 | bUpdate = false; |
421 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
422 | 0 | } |
423 | |
|
424 | 0 | if ( !ImplSysObjClip( pOldRegion.get() ) ) |
425 | 0 | { |
426 | 0 | GetOutDev()->mbInitClipRegion = true; |
427 | 0 | mpWindowImpl->mbInitWinClipRegion = true; |
428 | 0 | bUpdate = false; |
429 | 0 | } |
430 | 0 | } |
431 | 0 | else |
432 | 0 | { |
433 | 0 | GetOutDev()->mbInitClipRegion = true; |
434 | 0 | mpWindowImpl->mbInitWinClipRegion = true; |
435 | |
|
436 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstChild; |
437 | 0 | while ( pWindow ) |
438 | 0 | { |
439 | 0 | if ( !pWindow->ImplSetClipFlagChildren( bSysObjOnlySmaller ) ) |
440 | 0 | bUpdate = false; |
441 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
442 | 0 | } |
443 | 0 | } |
444 | 0 | return bUpdate; |
445 | 0 | } |
446 | | |
447 | | bool Window::ImplSetClipFlagOverlapWindows( bool bSysObjOnlySmaller ) |
448 | 0 | { |
449 | 0 | bool bUpdate = ImplSetClipFlagChildren( bSysObjOnlySmaller ); |
450 | |
|
451 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstOverlap; |
452 | 0 | while ( pWindow ) |
453 | 0 | { |
454 | 0 | if ( !pWindow->ImplSetClipFlagOverlapWindows( bSysObjOnlySmaller ) ) |
455 | 0 | bUpdate = false; |
456 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
457 | 0 | } |
458 | |
|
459 | 0 | return bUpdate; |
460 | 0 | } |
461 | | |
462 | | bool Window::ImplSetClipFlag( bool bSysObjOnlySmaller ) |
463 | 0 | { |
464 | 0 | if ( !ImplIsOverlapWindow() ) |
465 | 0 | { |
466 | 0 | bool bUpdate = ImplSetClipFlagChildren( bSysObjOnlySmaller ); |
467 | |
|
468 | 0 | vcl::Window* pParent = ImplGetParent(); |
469 | 0 | if ( pParent && |
470 | 0 | ((pParent->GetStyle() & WB_CLIPCHILDREN) || (mpWindowImpl->mnParentClipMode & ParentClipMode::Clip)) ) |
471 | 0 | { |
472 | 0 | pParent->GetOutDev()->mbInitClipRegion = true; |
473 | 0 | pParent->mpWindowImpl->mbInitChildRegion = true; |
474 | 0 | } |
475 | | |
476 | | // siblings should recalculate their clip region |
477 | 0 | if ( mpWindowImpl->mbClipSiblings ) |
478 | 0 | { |
479 | 0 | vcl::Window* pWindow = mpWindowImpl->mpNext; |
480 | 0 | while ( pWindow ) |
481 | 0 | { |
482 | 0 | if ( !pWindow->ImplSetClipFlagChildren( bSysObjOnlySmaller ) ) |
483 | 0 | bUpdate = false; |
484 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
485 | 0 | } |
486 | 0 | } |
487 | |
|
488 | 0 | return bUpdate; |
489 | 0 | } |
490 | 0 | else |
491 | 0 | return mpWindowImpl->mpFrameWindow->ImplSetClipFlagOverlapWindows( bSysObjOnlySmaller ); |
492 | 0 | } |
493 | | |
494 | | void Window::ImplIntersectWindowClipRegion( vcl::Region& rRegion ) |
495 | 0 | { |
496 | 0 | if ( mpWindowImpl->mbInitWinClipRegion ) |
497 | 0 | ImplInitWinClipRegion(); |
498 | |
|
499 | 0 | rRegion.Intersect( mpWindowImpl->maWinClipRegion ); |
500 | 0 | } |
501 | | |
502 | | void Window::ImplIntersectWindowRegion( vcl::Region& rRegion ) |
503 | 0 | { |
504 | 0 | rRegion.Intersect( GetOutputRectPixel() ); |
505 | 0 | if ( mpWindowImpl->mbWinRegion ) |
506 | 0 | rRegion.Intersect( GetOutDev()->ImplPixelToDevicePixel( mpWindowImpl->maWinRegion ) ); |
507 | 0 | } |
508 | | |
509 | | void Window::ImplExcludeWindowRegion( vcl::Region& rRegion ) |
510 | 0 | { |
511 | 0 | if ( mpWindowImpl->mbWinRegion ) |
512 | 0 | { |
513 | 0 | vcl::Region aRegion( GetOutputRectPixel() ); |
514 | 0 | aRegion.Intersect( GetOutDev()->ImplPixelToDevicePixel( mpWindowImpl->maWinRegion ) ); |
515 | 0 | rRegion.Exclude( aRegion ); |
516 | 0 | } |
517 | 0 | else |
518 | 0 | { |
519 | 0 | rRegion.Exclude( GetOutputRectPixel() ); |
520 | 0 | } |
521 | 0 | } |
522 | | |
523 | | void Window::ImplExcludeOverlapWindows( vcl::Region& rRegion ) const |
524 | 0 | { |
525 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstOverlap; |
526 | 0 | while ( pWindow ) |
527 | 0 | { |
528 | 0 | if ( pWindow->mpWindowImpl->mbReallyVisible ) |
529 | 0 | { |
530 | 0 | pWindow->ImplExcludeWindowRegion( rRegion ); |
531 | 0 | pWindow->ImplExcludeOverlapWindows( rRegion ); |
532 | 0 | } |
533 | |
|
534 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
535 | 0 | } |
536 | 0 | } |
537 | | |
538 | | void Window::ImplExcludeOverlapWindows2( vcl::Region& rRegion ) |
539 | 0 | { |
540 | 0 | if ( mpWindowImpl->mbReallyVisible ) |
541 | 0 | ImplExcludeWindowRegion( rRegion ); |
542 | |
|
543 | 0 | ImplExcludeOverlapWindows( rRegion ); |
544 | 0 | } |
545 | | |
546 | | void Window::ImplIntersectAndUnionOverlapWindows( const vcl::Region& rInterRegion, vcl::Region& rRegion ) const |
547 | 0 | { |
548 | 0 | vcl::Window* pWindow = mpWindowImpl->mpFirstOverlap; |
549 | 0 | while ( pWindow ) |
550 | 0 | { |
551 | 0 | if ( pWindow->mpWindowImpl->mbReallyVisible ) |
552 | 0 | { |
553 | 0 | vcl::Region aTempRegion( rInterRegion ); |
554 | 0 | pWindow->ImplIntersectWindowRegion( aTempRegion ); |
555 | 0 | rRegion.Union( aTempRegion ); |
556 | 0 | pWindow->ImplIntersectAndUnionOverlapWindows( rInterRegion, rRegion ); |
557 | 0 | } |
558 | |
|
559 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
560 | 0 | } |
561 | 0 | } |
562 | | |
563 | | void Window::ImplIntersectAndUnionOverlapWindows2( const vcl::Region& rInterRegion, vcl::Region& rRegion ) |
564 | 0 | { |
565 | 0 | if ( mpWindowImpl->mbReallyVisible ) |
566 | 0 | { |
567 | 0 | vcl::Region aTempRegion( rInterRegion ); |
568 | 0 | ImplIntersectWindowRegion( aTempRegion ); |
569 | 0 | rRegion.Union( aTempRegion ); |
570 | 0 | } |
571 | |
|
572 | 0 | ImplIntersectAndUnionOverlapWindows( rInterRegion, rRegion ); |
573 | 0 | } |
574 | | |
575 | | void Window::ImplCalcOverlapRegionOverlaps( const vcl::Region& rInterRegion, vcl::Region& rRegion ) const |
576 | 0 | { |
577 | | // Clip Overlap Siblings |
578 | 0 | vcl::Window const * pStartOverlapWindow; |
579 | 0 | if ( !ImplIsOverlapWindow() ) |
580 | 0 | pStartOverlapWindow = mpWindowImpl->mpOverlapWindow; |
581 | 0 | else |
582 | 0 | pStartOverlapWindow = this; |
583 | 0 | while ( !pStartOverlapWindow->mpWindowImpl->mbFrame ) |
584 | 0 | { |
585 | 0 | vcl::Window* pOverlapWindow = pStartOverlapWindow->mpWindowImpl->mpOverlapWindow->mpWindowImpl->mpFirstOverlap; |
586 | 0 | while ( pOverlapWindow && (pOverlapWindow != pStartOverlapWindow) ) |
587 | 0 | { |
588 | 0 | pOverlapWindow->ImplIntersectAndUnionOverlapWindows2( rInterRegion, rRegion ); |
589 | 0 | pOverlapWindow = pOverlapWindow->mpWindowImpl->mpNext; |
590 | 0 | } |
591 | 0 | pStartOverlapWindow = pStartOverlapWindow->mpWindowImpl->mpOverlapWindow; |
592 | 0 | } |
593 | | |
594 | | // Clip Child Overlap Windows |
595 | 0 | if ( !ImplIsOverlapWindow() ) |
596 | 0 | mpWindowImpl->mpOverlapWindow->ImplIntersectAndUnionOverlapWindows( rInterRegion, rRegion ); |
597 | 0 | else |
598 | 0 | ImplIntersectAndUnionOverlapWindows( rInterRegion, rRegion ); |
599 | 0 | } |
600 | | |
601 | | void Window::ImplCalcOverlapRegion( const tools::Rectangle& rSourceRect, vcl::Region& rRegion, |
602 | | bool bChildren, bool bSiblings ) |
603 | 0 | { |
604 | 0 | vcl::Region aRegion( rSourceRect ); |
605 | 0 | if ( mpWindowImpl->mbWinRegion ) |
606 | 0 | rRegion.Intersect( GetOutDev()->ImplPixelToDevicePixel( mpWindowImpl->maWinRegion ) ); |
607 | 0 | vcl::Region aTempRegion; |
608 | 0 | vcl::Window* pWindow; |
609 | |
|
610 | 0 | ImplCalcOverlapRegionOverlaps( aRegion, rRegion ); |
611 | | |
612 | | // Parent-Boundaries |
613 | 0 | pWindow = this; |
614 | 0 | if ( !ImplIsOverlapWindow() ) |
615 | 0 | { |
616 | 0 | pWindow = ImplGetParent(); |
617 | 0 | do |
618 | 0 | { |
619 | 0 | aTempRegion = aRegion; |
620 | 0 | pWindow->ImplExcludeWindowRegion( aTempRegion ); |
621 | 0 | rRegion.Union( aTempRegion ); |
622 | 0 | if ( pWindow->ImplIsOverlapWindow() ) |
623 | 0 | break; |
624 | 0 | pWindow = pWindow->ImplGetParent(); |
625 | 0 | } |
626 | 0 | while ( pWindow ); |
627 | 0 | } |
628 | 0 | if ( pWindow && !pWindow->mpWindowImpl->mbFrame ) |
629 | 0 | { |
630 | 0 | aTempRegion = aRegion; |
631 | 0 | aTempRegion.Exclude( tools::Rectangle( Point( 0, 0 ), mpWindowImpl->mpFrameWindow->GetOutputSizePixel() ) ); |
632 | 0 | rRegion.Union( aTempRegion ); |
633 | 0 | } |
634 | | |
635 | | // Siblings |
636 | 0 | if ( bSiblings && !ImplIsOverlapWindow() ) |
637 | 0 | { |
638 | 0 | pWindow = mpWindowImpl->mpParent->mpWindowImpl->mpFirstChild; |
639 | 0 | do |
640 | 0 | { |
641 | 0 | if ( pWindow->mpWindowImpl->mbReallyVisible && (pWindow != this) ) |
642 | 0 | { |
643 | 0 | aTempRegion = aRegion; |
644 | 0 | pWindow->ImplIntersectWindowRegion( aTempRegion ); |
645 | 0 | rRegion.Union( aTempRegion ); |
646 | 0 | } |
647 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
648 | 0 | } |
649 | 0 | while ( pWindow ); |
650 | 0 | } |
651 | |
|
652 | 0 | if ( !bChildren ) |
653 | 0 | return; |
654 | | |
655 | 0 | pWindow = mpWindowImpl->mpFirstChild; |
656 | 0 | while ( pWindow ) |
657 | 0 | { |
658 | 0 | if ( pWindow->mpWindowImpl->mbReallyVisible ) |
659 | 0 | { |
660 | 0 | aTempRegion = aRegion; |
661 | 0 | pWindow->ImplIntersectWindowRegion( aTempRegion ); |
662 | 0 | rRegion.Union( aTempRegion ); |
663 | 0 | } |
664 | 0 | pWindow = pWindow->mpWindowImpl->mpNext; |
665 | 0 | } |
666 | 0 | } |
667 | | |
668 | | void WindowOutputDevice::SaveBackground(VirtualDevice& rSaveDevice, const Point& rPos, const Size& rSize, const Size&) const |
669 | 0 | { |
670 | 0 | MapMode aTempMap(GetMapMode()); |
671 | 0 | aTempMap.SetOrigin(Point()); |
672 | 0 | rSaveDevice.SetMapMode(aTempMap); |
673 | |
|
674 | 0 | if ( mxOwnerWindow->mpWindowImpl->mpPaintRegion ) |
675 | 0 | { |
676 | 0 | vcl::Region aClip( *mxOwnerWindow->mpWindowImpl->mpPaintRegion ); |
677 | 0 | const Point aPixPos( LogicToPixel( rPos ) ); |
678 | |
|
679 | 0 | aClip.Move( -mnOutOffX, -mnOutOffY ); |
680 | 0 | aClip.Intersect( tools::Rectangle( aPixPos, LogicToPixel( rSize ) ) ); |
681 | |
|
682 | 0 | if ( !aClip.IsEmpty() ) |
683 | 0 | { |
684 | 0 | const vcl::Region aOldClip( rSaveDevice.GetClipRegion() ); |
685 | 0 | const Point aPixOffset( rSaveDevice.LogicToPixel( Point() ) ); |
686 | 0 | const bool bMap = rSaveDevice.IsMapModeEnabled(); |
687 | | |
688 | | // move clip region to have the same distance to DestOffset |
689 | 0 | aClip.Move( aPixOffset.X() - aPixPos.X(), aPixOffset.Y() - aPixPos.Y() ); |
690 | | |
691 | | // set pixel clip region |
692 | 0 | rSaveDevice.EnableMapMode( false ); |
693 | 0 | rSaveDevice.SetClipRegion( aClip ); |
694 | 0 | rSaveDevice.EnableMapMode( bMap ); |
695 | 0 | rSaveDevice.DrawOutDev( Point(), rSize, rPos, rSize, *this ); |
696 | 0 | rSaveDevice.SetClipRegion( aOldClip ); |
697 | 0 | } |
698 | 0 | } |
699 | 0 | else |
700 | 0 | { |
701 | 0 | rSaveDevice.DrawOutDev( Point(), rSize, rPos, rSize, *this ); |
702 | 0 | } |
703 | |
|
704 | 0 | rSaveDevice.SetMapMode(MapMode()); |
705 | 0 | } |
706 | | |
707 | | } /* namespace vcl */ |
708 | | |
709 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |