1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <svx/sdrpagewindow.hxx>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/awt/PosSize.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <comphelper/lok.hxx>
#include <comphelper/processfactory.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <svx/svdview.hxx>
#include <svx/svdpagv.hxx>
#include <svx/sdrpaintwindow.hxx>
#include <svx/sdr/contact/objectcontactofpageview.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <svx/fmview.hxx>
#include <sfx2/lokhelper.hxx>
#include <tools/debug.hxx>

using namespace ::com::sun::star;

struct SdrPageWindow::Impl
{
    // #110094# ObjectContact section
    mutable sdr::contact::ObjectContact* mpObjectContact;

    // the SdrPageView this window belongs to
    SdrPageView& mrPageView;

    // the PaintWindow to paint on. Here is access to OutDev etc.
    // #i72752# change to pointer to allow patcing it in DrawLayer() if necessary
    SdrPaintWindow* mpPaintWindow;
    SdrPaintWindow* mpOriginalPaintWindow;

    // UNO stuff for xControls
    uno::Reference<awt::XControlContainer> mxControlContainer;

    Impl( SdrPageView& rPageView, SdrPaintWindow& rPaintWindow ) :
        mpObjectContact(nullptr),
        mrPageView(rPageView),
        mpPaintWindow(&rPaintWindow),
        mpOriginalPaintWindow(nullptr)
    {
    }
};


uno::Reference<awt::XControlContainer> const & SdrPageWindow::GetControlContainer( bool _bCreateIfNecessary ) const
{
    if (!mpImpl->mxControlContainer.is() && _bCreateIfNecessary)
    {
        SdrView& rView = GetPageView().GetView();

        const SdrPaintWindow& rPaintWindow( GetOriginalPaintWindow() ? *GetOriginalPaintWindow() : GetPaintWindow() );
        if ( rPaintWindow.OutputToWindow() && !rView.IsPrintPreview() )
        {
            vcl::Window& rWindow = dynamic_cast< vcl::Window& >( rPaintWindow.GetOutputDevice() );
            const_cast< SdrPageWindow* >( this )->mpImpl->mxControlContainer = VCLUnoHelper::CreateControlContainer( &rWindow );

            // #100394# xC->setVisible triggers window->Show() and this has
            // problems when the view is not completely constructed which may
            // happen when loading. This leads to accessibility broadcasts which
            // throw asserts due to the not finished view. All this chain can be avoided
            // since xC->setVisible is here called only for the side effect in
            // UnoControlContainer::setVisible(...) which calls createPeer(...).
            // This will now be called directly from here.

            uno::Reference< awt::XControl > xControl(mpImpl->mxControlContainer, uno::UNO_QUERY);
            if(xControl.is())
            {
                uno::Reference< uno::XInterface > xContext = xControl->getContext();
                if(!xContext.is())
                {
                    xControl->createPeer( uno::Reference<awt::XToolkit>(), uno::Reference<awt::XWindowPeer>() );
                }
            }
        }
        else
        {
            // Printer and VirtualDevice, or rather: no OutDev
            uno::Reference< lang::XMultiServiceFactory > xFactory( ::comphelper::getProcessServiceFactory() );
            const_cast< SdrPageWindow* >( this )->mpImpl->mxControlContainer.set(xFactory->createInstance("com.sun.star.awt.UnoControlContainer"), uno::UNO_QUERY);
            uno::Reference< awt::XControlModel > xModel(xFactory->createInstance("com.sun.star.awt.UnoControlContainerModel"), uno::UNO_QUERY);
            uno::Reference< awt::XControl > xControl(mpImpl->mxControlContainer, uno::UNO_QUERY);
            if (xControl.is())
                xControl->setModel(xModel);

            OutputDevice& rOutDev = rPaintWindow.GetOutputDevice();
            Point aPosPix = rOutDev.GetMapMode().GetOrigin();
            Size aSizePix = rOutDev.GetOutputSizePixel();

            uno::Reference< awt::XWindow > xContComp(mpImpl->mxControlContainer, uno::UNO_QUERY);
            if( xContComp.is() )
                xContComp->setPosSize(aPosPix.X(), aPosPix.Y(), aSizePix.Width(), aSizePix.Height(), awt::PosSize::POSSIZE);
        }

        FmFormView* pViewAsFormView = dynamic_cast< FmFormView* >( &rView );
        if ( pViewAsFormView )
            pViewAsFormView->InsertControlContainer(mpImpl->mxControlContainer);
    }
    return mpImpl->mxControlContainer;
}

SdrPageWindow::SdrPageWindow(SdrPageView& rPageView, SdrPaintWindow& rPaintWindow) :
    mpImpl(new Impl(rPageView, rPaintWindow))
{
}

SdrPageWindow::~SdrPageWindow()
{
    // #i26631#
    ResetObjectContact();

    if (mpImpl->mxControlContainer.is())
    {
        auto & rView = static_cast<SdrPaintView &>(GetPageView().GetView());

        // notify derived views
        FmFormView* pViewAsFormView = dynamic_cast< FmFormView* >( &rView );
        if ( pViewAsFormView )
            pViewAsFormView->RemoveControlContainer(mpImpl->mxControlContainer);

        // dispose the control container
        uno::Reference< lang::XComponent > xComponent(mpImpl->mxControlContainer, uno::UNO_QUERY);
        xComponent->dispose();
    }
}

SdrPageView& SdrPageWindow::GetPageView() const
{
    return mpImpl->mrPageView;
}

SdrPaintWindow& SdrPageWindow::GetPaintWindow() const
{
    return *mpImpl->mpPaintWindow;
}

const SdrPaintWindow* SdrPageWindow::GetOriginalPaintWindow() const
{
    return mpImpl->mpOriginalPaintWindow;
}

// OVERLAY MANAGER
rtl::Reference< sdr::overlay::OverlayManager > const & SdrPageWindow::GetOverlayManager() const
{
    return GetPaintWindow().GetOverlayManager();
}

void SdrPageWindow::patchPaintWindow(SdrPaintWindow& rPaintWindow)
{
    mpImpl->mpOriginalPaintWindow = mpImpl->mpPaintWindow;
    mpImpl->mpPaintWindow = &rPaintWindow;
    mpImpl->mpOriginalPaintWindow->setPatched(&rPaintWindow);
}

void SdrPageWindow::unpatchPaintWindow()
{
    DBG_ASSERT(mpImpl->mpOriginalPaintWindow, "SdrPageWindow::unpatchPaintWindow: paint window not patched!" );
    if (mpImpl->mpOriginalPaintWindow)
    {
        mpImpl->mpPaintWindow = mpImpl->mpOriginalPaintWindow;
        mpImpl->mpOriginalPaintWindow->setPatched(nullptr);
        mpImpl->mpOriginalPaintWindow = nullptr;
    }
}

void SdrPageWindow::PrePaint()
{
    // give OC the chance to do ProcessDisplay preparations
    if(HasObjectContact())
    {
        GetObjectContact().PrepareProcessDisplay();
    }
}

void SdrPageWindow::PrepareRedraw(const vcl::Region& rReg)
{
    // give OC the chance to do ProcessDisplay preparations
    if(HasObjectContact())
    {
        GetObjectContact().PrepareProcessDisplay();
    }

    // if necessary, remember changed RedrawArea at PaintWindow for usage with
    // overlay and PreRenderDevice stuff
    GetPaintWindow().SetRedrawRegion(rReg);
}


// clip test
#ifdef CLIPPER_TEST
#include <svx/svdopath.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <tools/helpers.hxx>
#include <basegfx/polygon/b2dpolygoncutandtouch.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolygonclipper.hxx>

// for ::std::sort
#include <algorithm>

namespace
{
    void impPaintStrokePolygon(const basegfx::B2DPolygon& rCandidate, OutputDevice& rOutDev, Color aColor)
    {
        basegfx::B2DPolygon aCandidate(rCandidate);

        if(aCandidate.areControlPointsUsed())
        {
            aCandidate = basegfx::utils::adaptiveSubdivideByAngle(rCandidate);
        }

        if(aCandidate.count())
        {
            const sal_uInt32 nLoopCount(aCandidate.isClosed() ? aCandidate.count() : aCandidate.count() - 1);
            rOutDev.SetFillColor();
            rOutDev.SetLineColor(aColor);

            for(sal_uInt32 a(0); a < nLoopCount; a++)
            {
                const basegfx::B2DPoint aBStart(aCandidate.getB2DPoint(a));
                const basegfx::B2DPoint aBEnd(aCandidate.getB2DPoint((a + 1) % aCandidate.count()));
                const Point aStart(FRound(aBStart.getX()), FRound(aBStart.getY()));
                const Point aEnd(FRound(aBEnd.getX()), FRound(aBEnd.getY()));
                rOutDev.DrawLine(aStart, aEnd);
            }
        }
    }

    void impTryTest(const SdrPageView& rPageView, OutputDevice& rOutDev)
    {
        if(rPageView.GetPage() && rPageView.GetPage()->GetObjCount() >= 2)
        {
            SdrPage* pPage = rPageView.GetPage();
            SdrObject* pObjA = pPage->GetObj(0);

            if(dynamic_cast<const SdrPathObj*>( pObjA))
            {
                basegfx::B2DPolyPolygon aPolyA(pObjA->GetPathPoly());
                aPolyA = basegfx::utils::correctOrientations(aPolyA);

                basegfx::B2DPolyPolygon aPolyB;

                for(sal_uInt32 a(1); a < rPageView.GetPage()->GetObjCount(); a++)
                {
                    SdrObject* pObjB = pPage->GetObj(a);

                    if(dynamic_cast<const SdrPathObj*>( pObjB))
                    {
                        basegfx::B2DPolyPolygon aCandidate(pObjB->GetPathPoly());
                        aCandidate = basegfx::utils::correctOrientations(aCandidate);
                        aPolyB.append(aCandidate);
                    }
                }

                if(aPolyA.count() && aPolyA.isClosed() && aPolyB.count())
                {
                    // poly A is the clipregion, clip poly b against it. Algo depends on
                    // poly b being closed.
                    basegfx::B2DPolyPolygon aResult(basegfx::utils::clipPolyPolygonOnPolyPolygon(aPolyB, aPolyA));

                    for(auto const& rPolygon : aResult)
                    {
                        int nR = comphelper::rng::uniform_int_distribution(0, 254);
                        int nG = comphelper::rng::uniform_int_distribution(0, 254);
                        int nB = comphelper::rng::uniform_int_distribution(0, 254);
                        Color aColor(nR, nG, nB);
                        impPaintStrokePolygon(rPolygon, rOutDev, aColor);
                    }
                }
            }
        }
    }
} // end of anonymous namespace
#endif // CLIPPER_TEST


void SdrPageWindow::RedrawAll( sdr::contact::ViewObjectContactRedirector* pRedirector )
{
    // set Redirector
    GetObjectContact().SetViewObjectContactRedirector(pRedirector);

    // set PaintingPageView
    const SdrView& rView = mpImpl->mrPageView.GetView();
    SdrModel& rModel = *(rView.GetModel());

    // get to be processed layers
    const bool bPrinter(GetPaintWindow().OutputToPrinter());
    SdrLayerIDSet aProcessLayers = bPrinter ? mpImpl->mrPageView.GetPrintableLayers() : mpImpl->mrPageView.GetVisibleLayers();

    // create PaintInfoRec; use Rectangle only temporarily
    const vcl::Region& rRegion = GetPaintWindow().GetRedrawRegion();

    // create processing data
    sdr::contact::DisplayInfo aDisplayInfo;

    // Draw all layers. do NOT draw form layer from CompleteRedraw, this is done separately
    // as a single layer paint
    const SdrLayerAdmin& rLayerAdmin = rModel.GetLayerAdmin();
    const SdrLayerID nControlLayerId = rLayerAdmin.GetLayerID(rLayerAdmin.GetControlLayerName());
    aProcessLayers.Clear(nControlLayerId);

    // still something to paint?
    if(!aProcessLayers.IsEmpty())
    {
        aDisplayInfo.SetProcessLayers(aProcessLayers);

        // Set region as redraw area
        aDisplayInfo.SetRedrawArea(rRegion);

        // Draw/Impress
        aDisplayInfo.SetPageProcessingActive(rView.IsPagePaintingAllowed()); // #i72889#

        // paint page
        GetObjectContact().ProcessDisplay(aDisplayInfo);
    }

    // reset redirector
    GetObjectContact().SetViewObjectContactRedirector(nullptr);

    // LineClip test
#ifdef CLIPPER_TEST
    if(true)
    {
        impTryTest(GetPageView(), GetPaintWindow().GetOutputDevice());
    }
#endif // CLIPPER_TEST
}

void SdrPageWindow::RedrawLayer(const SdrLayerID* pId,
        sdr::contact::ViewObjectContactRedirector* pRedirector,
        basegfx::B2IRectangle const*const pPageFrame)
{
    // set redirector
    GetObjectContact().SetViewObjectContactRedirector(pRedirector);

    // set PaintingPageView
    const SdrView& rView = mpImpl->mrPageView.GetView();
    SdrModel& rModel = *(rView.GetModel());

    // get the layers to process
    const bool bPrinter(GetPaintWindow().OutputToPrinter());
    SdrLayerIDSet aProcessLayers = bPrinter ? mpImpl->mrPageView.GetPrintableLayers() : mpImpl->mrPageView.GetVisibleLayers();

    // is the given layer visible at all?
    if(aProcessLayers.IsSet(*pId))
    {
        // find out if we are painting the ControlLayer
        const SdrLayerAdmin& rLayerAdmin = rModel.GetLayerAdmin();
        const SdrLayerID nControlLayerId = rLayerAdmin.GetLayerID(rLayerAdmin.GetControlLayerName());
        const bool bControlLayerProcessingActive(nControlLayerId == *pId);

        // create PaintInfoRec, use Rectangle only temporarily
        const vcl::Region& rRegion = GetPaintWindow().GetRedrawRegion();

        // create processing data
        sdr::contact::DisplayInfo aDisplayInfo;

        // is it the control layer? If Yes, set flag
        aDisplayInfo.SetControlLayerProcessingActive(bControlLayerProcessingActive);

        // Draw just the one given layer
        aProcessLayers.ClearAll();
        aProcessLayers.Set(*pId);

        aDisplayInfo.SetProcessLayers(aProcessLayers);

        // Set region as redraw area
        aDisplayInfo.SetRedrawArea(rRegion);

        // Writer or calc, coming from original RedrawOneLayer.
        // #i72889# no page painting for layer painting
        aDisplayInfo.SetPageProcessingActive(false);

        if (pPageFrame) // Writer page frame for anchor based clipping
        {
            aDisplayInfo.SetWriterPageFrame(*pPageFrame);
        }

        // paint page
        GetObjectContact().ProcessDisplay(aDisplayInfo);
    }

    // reset redirector
    GetObjectContact().SetViewObjectContactRedirector(nullptr);
}

// Invalidate call, used from ObjectContact(OfPageView) in InvalidatePartOfView(...)
void SdrPageWindow::InvalidatePageWindow(const basegfx::B2DRange& rRange)
{
    if (GetPageView().IsVisible() && GetPaintWindow().OutputToWindow())
    {
        const SvtOptionsDrawinglayer aDrawinglayerOpt;
        OutputDevice& rWindow(GetPaintWindow().GetOutputDevice());
        basegfx::B2DRange aDiscreteRange(rRange);
        aDiscreteRange.transform(rWindow.GetViewTransformation());

        if (aDrawinglayerOpt.IsAntiAliasing())
        {
            // invalidate one discrete unit more under the assumption that AA
            // needs one pixel more
            aDiscreteRange.grow(1.0);
        }

        const tools::Rectangle aVCLDiscreteRectangle(
            static_cast<long>(floor(aDiscreteRange.getMinX())),
            static_cast<long>(floor(aDiscreteRange.getMinY())),
            static_cast<long>(ceil(aDiscreteRange.getMaxX())),
            static_cast<long>(ceil(aDiscreteRange.getMaxY())));

        const bool bWasMapModeEnabled(rWindow.IsMapModeEnabled());
        rWindow.EnableMapMode(false);
        GetPageView().GetView().InvalidateOneWin(rWindow, aVCLDiscreteRectangle);
        rWindow.EnableMapMode(bWasMapModeEnabled);
    }
    else if (comphelper::LibreOfficeKit::isActive())
    {
        // we don't really have to have a paint window with LOK; OTOH we know
        // that the drawinglayer units are 100ths of mm, so they are easy to
        // convert to twips
        const tools::Rectangle aRect100thMM(
            static_cast<long>(floor(rRange.getMinX())),
            static_cast<long>(floor(rRange.getMinY())),
            static_cast<long>(ceil(rRange.getMaxX())),
            static_cast<long>(ceil(rRange.getMaxY())));

        const tools::Rectangle aRectTwips = OutputDevice::LogicToLogic(aRect100thMM, MapMode(MapUnit::Map100thMM), MapMode(MapUnit::MapTwip));

        if (SfxViewShell* pViewShell = SfxViewShell::Current())
            SfxLokHelper::notifyInvalidation(pViewShell, aRectTwips.toString());
    }
}

// ObjectContact section
const sdr::contact::ObjectContact& SdrPageWindow::GetObjectContact() const
{
    if (!mpImpl->mpObjectContact)
    {
        mpImpl->mpObjectContact = GetPageView().GetView().createViewSpecificObjectContact(
            const_cast<SdrPageWindow&>(*this),
            "svx::svdraw::SdrPageWindow mpObjectContact");
    }

    return *mpImpl->mpObjectContact;
}

sdr::contact::ObjectContact& SdrPageWindow::GetObjectContact()
{
    if (!mpImpl->mpObjectContact)
    {
        mpImpl->mpObjectContact = GetPageView().GetView().createViewSpecificObjectContact(
             *this,
             "svx::svdraw::SdrPageWindow mpObjectContact" );
    }

    return *mpImpl->mpObjectContact;
}

bool SdrPageWindow::HasObjectContact() const
{
    return mpImpl->mpObjectContact != nullptr;
}

// #i26631#
void SdrPageWindow::ResetObjectContact()
{
    if (mpImpl->mpObjectContact)
    {
        delete mpImpl->mpObjectContact;
        mpImpl->mpObjectContact = nullptr;
    }
}

void SdrPageWindow::SetDesignMode( bool _bDesignMode ) const
{
    const sdr::contact::ObjectContactOfPageView* pOC = dynamic_cast< const sdr::contact::ObjectContactOfPageView* >( &GetObjectContact() );
    DBG_ASSERT( pOC, "SdrPageWindow::SetDesignMode: invalid object contact!" );
    if ( pOC )
        pOC->SetUNOControlsDesignMode( _bDesignMode );
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */