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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 <svx/sdrpagewindow.hxx>
21 : #include <com/sun/star/awt/XWindow.hpp>
22 : #include <com/sun/star/beans/XPropertySet.hpp>
23 : #include <com/sun/star/awt/PosSize.hpp>
24 : #include <com/sun/star/util/XModeChangeBroadcaster.hpp>
25 : #include <comphelper/processfactory.hxx>
26 : #include <vcl/svapp.hxx>
27 : #include <toolkit/helper/vclunohelper.hxx>
28 : #include <svx/svdouno.hxx>
29 : #include <svx/svdpage.hxx>
30 : #include <svx/svdview.hxx>
31 : #include <svx/svdpagv.hxx>
32 : #include <svx/sdrpaintwindow.hxx>
33 : #include <svx/sdr/contact/objectcontactofpageview.hxx>
34 : #include <svx/sdr/contact/displayinfo.hxx>
35 : #include <osl/mutex.hxx>
36 : #include <svx/fmview.hxx>
37 : #include <basegfx/matrix/b2dhommatrix.hxx>
38 :
39 :
40 :
41 : using namespace ::rtl;
42 : using namespace ::com::sun::star;
43 :
44 :
45 :
46 0 : ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlContainer > SdrPageWindow::GetControlContainer( bool _bCreateIfNecessary ) const
47 : {
48 0 : if ( !mxControlContainer.is() && _bCreateIfNecessary )
49 : {
50 0 : SdrView& rView = GetPageView().GetView();
51 :
52 0 : const SdrPaintWindow& rPaintWindow( GetOriginalPaintWindow() ? *GetOriginalPaintWindow() : GetPaintWindow() );
53 0 : if ( rPaintWindow.OutputToWindow() && !rView.IsPrintPreview() )
54 : {
55 0 : Window& rWindow = dynamic_cast< Window& >( rPaintWindow.GetOutputDevice() );
56 0 : const_cast< SdrPageWindow* >( this )->mxControlContainer = VCLUnoHelper::CreateControlContainer( &rWindow );
57 :
58 : // #100394# xC->setVisible triggers window->Show() and this has
59 : // problems when the view is not completely constructed which may
60 : // happen when loading. This leads to accessibility broadcasts which
61 : // throw asserts due to the not finished view. All this chain can be avoided
62 : // since xC->setVisible is here called only for the side effect in
63 : // UnoControlContainer::setVisible(...) which calls createPeer(...).
64 : // This will now be called directly from here.
65 :
66 0 : uno::Reference< awt::XControl > xControl(mxControlContainer, uno::UNO_QUERY);
67 0 : if(xControl.is())
68 : {
69 0 : uno::Reference< uno::XInterface > xContext = xControl->getContext();
70 0 : if(!xContext.is())
71 : {
72 0 : xControl->createPeer( ::com::sun::star::uno::Reference< ::com::sun::star::awt::XToolkit > (),
73 0 : ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindowPeer > () );
74 0 : }
75 0 : }
76 : }
77 : else
78 : {
79 : // Printer and VirtualDevice, or rather: no OutDev
80 0 : uno::Reference< lang::XMultiServiceFactory > xFactory( ::comphelper::getProcessServiceFactory() );
81 0 : const_cast< SdrPageWindow* >( this )->mxControlContainer = uno::Reference< awt::XControlContainer >(xFactory->createInstance("com.sun.star.awt.UnoControlContainer"), uno::UNO_QUERY);
82 0 : uno::Reference< awt::XControlModel > xModel(xFactory->createInstance("com.sun.star.awt.UnoControlContainerModel"), uno::UNO_QUERY);
83 0 : uno::Reference< awt::XControl > xControl(mxControlContainer, uno::UNO_QUERY);
84 0 : if (xControl.is())
85 0 : xControl->setModel(xModel);
86 :
87 0 : OutputDevice& rOutDev = rPaintWindow.GetOutputDevice();
88 0 : Point aPosPix = rOutDev.GetMapMode().GetOrigin();
89 0 : Size aSizePix = rOutDev.GetOutputSizePixel();
90 :
91 0 : uno::Reference< awt::XWindow > xContComp(mxControlContainer, uno::UNO_QUERY);
92 0 : if( xContComp.is() )
93 0 : xContComp->setPosSize(aPosPix.X(), aPosPix.Y(), aSizePix.Width(), aSizePix.Height(), awt::PosSize::POSSIZE);
94 : }
95 :
96 0 : FmFormView* pViewAsFormView = dynamic_cast< FmFormView* >( &rView );
97 0 : if ( pViewAsFormView )
98 0 : pViewAsFormView->InsertControlContainer(mxControlContainer);
99 : }
100 0 : return mxControlContainer;
101 : }
102 :
103 0 : SdrPageWindow::SdrPageWindow(SdrPageView& rPageView, SdrPaintWindow& rPaintWindow)
104 : : mpObjectContact(0L),
105 : mrPageView(rPageView),
106 : mpPaintWindow(&rPaintWindow),
107 0 : mpOriginalPaintWindow(NULL)
108 : {
109 0 : }
110 :
111 0 : SdrPageWindow::~SdrPageWindow()
112 : {
113 : // #i26631#
114 0 : ResetObjectContact();
115 :
116 0 : if (mxControlContainer.is())
117 : {
118 0 : SdrView& rView = GetPageView().GetView();
119 :
120 : // notify derived views
121 0 : FmFormView* pViewAsFormView = dynamic_cast< FmFormView* >( &rView );
122 0 : if ( pViewAsFormView )
123 0 : pViewAsFormView->RemoveControlContainer(mxControlContainer);
124 :
125 : // dispose the control container
126 0 : uno::Reference< lang::XComponent > xComponent(mxControlContainer, uno::UNO_QUERY);
127 0 : xComponent->dispose();
128 : }
129 0 : }
130 :
131 : // ObjectContact section
132 0 : sdr::contact::ObjectContact* SdrPageWindow::CreateViewSpecificObjectContact()
133 : {
134 0 : return new sdr::contact::ObjectContactOfPageView(*this);
135 : }
136 :
137 : // OVERLAY MANAGER
138 0 : rtl::Reference< ::sdr::overlay::OverlayManager > SdrPageWindow::GetOverlayManager() const
139 : {
140 0 : return GetPaintWindow().GetOverlayManager();
141 : }
142 :
143 0 : void SdrPageWindow::patchPaintWindow(SdrPaintWindow& rPaintWindow)
144 : {
145 0 : mpOriginalPaintWindow = mpPaintWindow;
146 0 : mpPaintWindow = &rPaintWindow;
147 0 : }
148 :
149 0 : void SdrPageWindow::unpatchPaintWindow()
150 : {
151 : DBG_ASSERT(mpOriginalPaintWindow, "SdrPageWindow::unpatchPaintWindow: paint window not patched!" );
152 0 : if ( mpOriginalPaintWindow )
153 : {
154 0 : mpPaintWindow = mpOriginalPaintWindow;
155 0 : mpOriginalPaintWindow = NULL;
156 : }
157 0 : }
158 :
159 0 : void SdrPageWindow::PrePaint()
160 : {
161 : // give OC the chance to do ProcessDisplay preparations
162 0 : if(HasObjectContact())
163 : {
164 0 : GetObjectContact().PrepareProcessDisplay();
165 : }
166 0 : }
167 :
168 0 : void SdrPageWindow::PrepareRedraw(const Region& rReg)
169 : {
170 : // give OC the chance to do ProcessDisplay preparations
171 0 : if(HasObjectContact())
172 : {
173 0 : GetObjectContact().PrepareProcessDisplay();
174 : }
175 :
176 : // if necessary, remember changed RedrawArea at PaintWindow for usage with
177 : // overlay and PreRenderDevice stuff
178 0 : GetPaintWindow().SetRedrawRegion(rReg);
179 0 : }
180 :
181 :
182 : // clip test
183 : #ifdef CLIPPER_TEST
184 : #include <svx/svdopath.hxx>
185 : #include <basegfx/polygon/b2dpolygon.hxx>
186 : #include <tools/helpers.hxx>
187 : #include <basegfx/polygon/b2dpolygoncutandtouch.hxx>
188 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
189 : #include <basegfx/polygon/b2dpolygontools.hxx>
190 : #include <basegfx/polygon/b2dpolygonclipper.hxx>
191 :
192 : // for ::std::sort
193 : #include <algorithm>
194 :
195 : namespace
196 : {
197 : void impPaintStrokePolygon(const basegfx::B2DPolygon& rCandidate, OutputDevice& rOutDev, Color aColor)
198 : {
199 : basegfx::B2DPolygon aCandidate(rCandidate);
200 :
201 : if(aCandidate.areControlPointsUsed())
202 : {
203 : aCandidate = basegfx::tools::adaptiveSubdivideByAngle(rCandidate);
204 : }
205 :
206 : if(aCandidate.count())
207 : {
208 : const sal_uInt32 nLoopCount(aCandidate.isClosed() ? aCandidate.count() : aCandidate.count() - 1L);
209 : rOutDev.SetFillColor();
210 : rOutDev.SetLineColor(aColor);
211 :
212 : for(sal_uInt32 a(0L); a < nLoopCount; a++)
213 : {
214 : const basegfx::B2DPoint aBStart(aCandidate.getB2DPoint(a));
215 : const basegfx::B2DPoint aBEnd(aCandidate.getB2DPoint((a + 1) % aCandidate.count()));
216 : const Point aStart(FRound(aBStart.getX()), FRound(aBStart.getY()));
217 : const Point aEnd(FRound(aBEnd.getX()), FRound(aBEnd.getY()));
218 : rOutDev.DrawLine(aStart, aEnd);
219 : }
220 : }
221 : }
222 :
223 : void impTryTest(const SdrPageView& rPageView, OutputDevice& rOutDev)
224 : {
225 : if(rPageView.GetPage() && rPageView.GetPage()->GetObjCount() >= 2L)
226 : {
227 : SdrPage* pPage = rPageView.GetPage();
228 : SdrObject* pObjA = pPage->GetObj(0L);
229 :
230 : if(pObjA && pObjA->ISA(SdrPathObj))
231 : {
232 : basegfx::B2DPolyPolygon aPolyA(((SdrPathObj*)pObjA)->GetPathPoly());
233 : aPolyA = basegfx::tools::correctOrientations(aPolyA);
234 :
235 : basegfx::B2DPolyPolygon aPolyB;
236 :
237 : for(sal_uInt32 a(1L); a < rPageView.GetPage()->GetObjCount(); a++)
238 : {
239 : SdrObject* pObjB = pPage->GetObj(a);
240 :
241 : if(pObjB && pObjB->ISA(SdrPathObj))
242 : {
243 : basegfx::B2DPolyPolygon aCandidate(((SdrPathObj*)pObjB)->GetPathPoly());
244 : aCandidate = basegfx::tools::correctOrientations(aCandidate);
245 : aPolyB.append(aCandidate);
246 : }
247 : }
248 :
249 : if(aPolyA.count() && aPolyA.isClosed() && aPolyB.count())
250 : {
251 : // poly A is the clipregion, clip poly b against it. Algo depends on
252 : // poly b being closed.
253 : basegfx::B2DPolyPolygon aResult(basegfx::tools::clipPolyPolygonOnPolyPolygon(aPolyB, aPolyA));
254 :
255 : for(sal_uInt32 a(0L); a < aResult.count(); a++)
256 : {
257 : Color aColor(rand()%255, rand()%255, rand()%255);
258 : impPaintStrokePolygon(aResult.getB2DPolygon(a), rOutDev, aColor);
259 : }
260 : }
261 : }
262 : }
263 : }
264 : } // end of anonymous namespace
265 : #endif // CLIPPER_TEST
266 :
267 :
268 :
269 0 : void SdrPageWindow::RedrawAll(sdr::contact::ViewObjectContactRedirector* pRedirector) const
270 : {
271 : // set Redirector
272 0 : GetObjectContact().SetViewObjectContactRedirector(pRedirector);
273 :
274 : // set PaintingPageView
275 0 : const SdrView& rView = mrPageView.GetView();
276 0 : SdrModel& rModel = *((SdrModel*)rView.GetModel());
277 :
278 : // get to be processed layers
279 0 : const bool bPrinter(GetPaintWindow().OutputToPrinter());
280 0 : SetOfByte aProcessLayers = bPrinter ? mrPageView.GetPrintableLayers() : mrPageView.GetVisibleLayers();
281 :
282 : // create PaintInfoRec; use Rectangle only temporarily
283 0 : const Region& rRegion = GetPaintWindow().GetRedrawRegion();
284 :
285 : // create processing data
286 0 : sdr::contact::DisplayInfo aDisplayInfo;
287 :
288 : // Draw all layers. do NOT draw form layer from CompleteRedraw, this is done separately
289 : // as a single layer paint
290 0 : const SdrLayerAdmin& rLayerAdmin = rModel.GetLayerAdmin();
291 0 : const SdrLayerID nControlLayerId = rLayerAdmin.GetLayerID(rLayerAdmin.GetControlLayerName(), false);
292 0 : aProcessLayers.Clear(nControlLayerId);
293 :
294 : // still something to paint?
295 0 : if(!aProcessLayers.IsEmpty())
296 : {
297 0 : aDisplayInfo.SetProcessLayers(aProcessLayers);
298 :
299 : // Set region as redraw area
300 0 : aDisplayInfo.SetRedrawArea(rRegion);
301 :
302 : // Draw/Impress
303 0 : aDisplayInfo.SetPageProcessingActive(rView.IsPagePaintingAllowed()); // #i72889#
304 :
305 : // paint page
306 0 : GetObjectContact().ProcessDisplay(aDisplayInfo);
307 : }
308 :
309 : // reset redirector
310 0 : GetObjectContact().SetViewObjectContactRedirector(0L);
311 :
312 : // LineClip test
313 : #ifdef CLIPPER_TEST
314 : if(true)
315 : {
316 : impTryTest(GetPageView(), GetPaintWindow().GetOutputDevice());
317 : }
318 : #endif // CLIPPER_TEST
319 0 : }
320 :
321 0 : void SdrPageWindow::RedrawLayer(const SdrLayerID* pId, sdr::contact::ViewObjectContactRedirector* pRedirector) const
322 : {
323 : // set redirector
324 0 : GetObjectContact().SetViewObjectContactRedirector(pRedirector);
325 :
326 : // set PaintingPageView
327 0 : const SdrView& rView = mrPageView.GetView();
328 0 : SdrModel& rModel = *((SdrModel*)rView.GetModel());
329 :
330 : // get the layers to process
331 0 : const bool bPrinter(GetPaintWindow().OutputToPrinter());
332 0 : SetOfByte aProcessLayers = bPrinter ? mrPageView.GetPrintableLayers() : mrPageView.GetVisibleLayers();
333 :
334 : // is the given layer visible at all?
335 0 : if(aProcessLayers.IsSet(*pId))
336 : {
337 : // find out if we are painting the ControlLayer
338 0 : const SdrLayerAdmin& rLayerAdmin = rModel.GetLayerAdmin();
339 0 : const SdrLayerID nControlLayerId = rLayerAdmin.GetLayerID(rLayerAdmin.GetControlLayerName(), false);
340 0 : const bool bControlLayerProcessingActive(nControlLayerId == *pId);
341 :
342 : // create PaintInfoRec, use Rectangle only temporarily
343 0 : const Region& rRegion = GetPaintWindow().GetRedrawRegion();
344 :
345 : // create processing data
346 0 : sdr::contact::DisplayInfo aDisplayInfo;
347 :
348 : // is it the control layer? If Yes, set flag
349 0 : aDisplayInfo.SetControlLayerProcessingActive(bControlLayerProcessingActive);
350 :
351 : // Draw just the one given layer
352 0 : aProcessLayers.ClearAll();
353 0 : aProcessLayers.Set(*pId);
354 :
355 0 : aDisplayInfo.SetProcessLayers(aProcessLayers);
356 :
357 : // Set region as redraw area
358 0 : aDisplayInfo.SetRedrawArea(rRegion);
359 :
360 : // Writer or calc, coming from original RedrawOneLayer.
361 : // #i72889# no page painting for layer painting
362 0 : aDisplayInfo.SetPageProcessingActive(false);
363 :
364 : // paint page
365 0 : GetObjectContact().ProcessDisplay(aDisplayInfo);
366 : }
367 :
368 : // reset redirector
369 0 : GetObjectContact().SetViewObjectContactRedirector(0L);
370 0 : }
371 :
372 : // Invalidate call, used from ObjectContact(OfPageView) in InvalidatePartOfView(...)
373 0 : void SdrPageWindow::InvalidatePageWindow(const basegfx::B2DRange& rRange)
374 : {
375 0 : if(GetPageView().IsVisible() && GetPaintWindow().OutputToWindow())
376 : {
377 0 : const SvtOptionsDrawinglayer aDrawinglayerOpt;
378 0 : Window& rWindow(static_cast< Window& >(GetPaintWindow().GetOutputDevice()));
379 0 : basegfx::B2DRange aDiscreteRange(rRange);
380 0 : aDiscreteRange.transform(rWindow.GetViewTransformation());
381 :
382 0 : if(aDrawinglayerOpt.IsAntiAliasing())
383 : {
384 : // invalidate one discrete unit more under the assumption that AA
385 : // needs one pixel more
386 0 : aDiscreteRange.grow(1.0);
387 : }
388 :
389 : const Rectangle aVCLDiscreteRectangle(
390 0 : (sal_Int32)floor(aDiscreteRange.getMinX()), (sal_Int32)floor(aDiscreteRange.getMinY()),
391 0 : (sal_Int32)ceil(aDiscreteRange.getMaxX()), (sal_Int32)ceil(aDiscreteRange.getMaxY()));
392 0 : const bool bWasMapModeEnabled(rWindow.IsMapModeEnabled());
393 :
394 0 : rWindow.EnableMapMode(false);
395 0 : rWindow.Invalidate(aVCLDiscreteRectangle, INVALIDATE_NOERASE);
396 0 : rWindow.EnableMapMode(bWasMapModeEnabled);
397 : }
398 0 : }
399 :
400 : // ObjectContact section
401 0 : sdr::contact::ObjectContact& SdrPageWindow::GetObjectContact() const
402 : {
403 0 : if(!mpObjectContact)
404 : {
405 0 : ((SdrPageWindow*)this)->mpObjectContact = ((SdrPageWindow*)this)->CreateViewSpecificObjectContact();
406 : }
407 :
408 0 : return *mpObjectContact;
409 : }
410 :
411 0 : bool SdrPageWindow::HasObjectContact() const
412 : {
413 0 : return ( mpObjectContact != NULL );
414 : }
415 :
416 : // #i26631#
417 0 : void SdrPageWindow::ResetObjectContact()
418 : {
419 0 : if(mpObjectContact)
420 : {
421 0 : delete mpObjectContact;
422 0 : mpObjectContact = 0L;
423 : }
424 0 : }
425 :
426 0 : void SdrPageWindow::SetDesignMode( bool _bDesignMode ) const
427 : {
428 0 : const ::sdr::contact::ObjectContactOfPageView* pOC = dynamic_cast< const ::sdr::contact::ObjectContactOfPageView* >( &GetObjectContact() );
429 : DBG_ASSERT( pOC, "SdrPageWindow::SetDesignMode: invalid object contact!" );
430 0 : if ( pOC )
431 0 : pOC->SetUNOControlsDesignMode( _bDesignMode );
432 0 : }
433 :
434 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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