reportdesign/source/ui/report/ScrollHelper.cxx

   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 #include <ScrollHelper.hxx>
  20 #include <DesignView.hxx>
  21 #include <ReportController.hxx>
  22 #include <ReportWindow.hxx>
  23 #include <UITools.hxx>
  24 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  25 #include <toolkit/helper/convert.hxx>
  26
  27 #include <vcl/commandevent.hxx>
  28 #include <vcl/settings.hxx>
  29 #include <vcl/svapp.hxx>
  30
  31 namespace rptui
  32 {
  33 #define SECTION_OFFSET      3
  34 #define SCR_LINE_SIZE       10
  35 using namespace ::com::sun::star;
  36
  37
  38 static void lcl_setScrollBar(sal_Int32 _nNewValue,const Point& _aPos,const Size& _aSize,ScrollBar& _rScrollBar)
  39 {
  40     _rScrollBar.SetPosSizePixel(_aPos,_aSize);
  41     _rScrollBar.SetPageSize( _nNewValue );
  42     _rScrollBar.SetVisibleSize( _nNewValue );
  43 }
  44
  45
  46 OScrollWindowHelper::OScrollWindowHelper( ODesignView* _pDesignView)
  47     : OScrollWindowHelper_BASE( _pDesignView,WB_DIALOGCONTROL)
  48     ,OPropertyChangeListener(m_aMutex)
  49     ,m_aHScroll( VclPtr<ScrollBar>::Create(this, WB_HSCROLL|WB_REPEAT|WB_DRAG) )
  50     ,m_aVScroll( VclPtr<ScrollBar>::Create(this, WB_VSCROLL|WB_REPEAT|WB_DRAG) )
  51     ,m_aCornerWin( VclPtr<ScrollBarBox>::Create(this) )
  52     ,m_pParent(_pDesignView)
  53     ,m_aReportWindow(VclPtr<rptui::OReportWindow>::Create(this,m_pParent))
  54 {
  55     SetMapMode( MapMode( MapUnit::Map100thMM ) );
  56
  57     impl_initScrollBar( *m_aHScroll.get() );
  58     impl_initScrollBar( *m_aVScroll.get() );
  59
  60     m_aReportWindow->SetMapMode( MapMode( MapUnit::Map100thMM ) );
  61     m_aReportWindow->Show();
  62
  63     // normally we should be SCROLL_PANE
  64     SetAccessibleRole(css::accessibility::AccessibleRole::SCROLL_PANE);
  65     ImplInitSettings();
  66 }
  67
  68
  69 OScrollWindowHelper::~OScrollWindowHelper()
  70 {
  71     disposeOnce();
  72 }
  73
  74 void OScrollWindowHelper::dispose()
  75 {
  76     if ( m_pReportDefinitionMultiPlexer.is() )
  77         m_pReportDefinitionMultiPlexer->dispose();
  78
  79     m_aHScroll.disposeAndClear();
  80     m_aVScroll.disposeAndClear();
  81     m_aCornerWin.disposeAndClear();
  82     m_aReportWindow.disposeAndClear();
  83     m_pParent.clear();
  84     OScrollWindowHelper_BASE::dispose();
  85 }
  86
  87
  88 void OScrollWindowHelper::impl_initScrollBar( ScrollBar& _rScrollBar ) const
  89 {
  90     AllSettings aSettings( _rScrollBar.GetSettings() );
  91     StyleSettings aStyle( aSettings.GetStyleSettings() );
  92     aStyle.SetDragFullOptions( aStyle.GetDragFullOptions() | DragFullOptions::Scroll ); // live scrolling
  93     aSettings.SetStyleSettings( aStyle );
  94     _rScrollBar.SetSettings( aSettings );
  95
  96     _rScrollBar.SetScrollHdl( LINK( const_cast<OScrollWindowHelper*>(this), OScrollWindowHelper, ScrollHdl ) );
  97     _rScrollBar.SetLineSize( SCR_LINE_SIZE );
  98 }
  99
 100
 101 void OScrollWindowHelper::initialize()
 102 {
 103     uno::Reference<report::XReportDefinition> xReportDefinition = m_pParent->getController().getReportDefinition();
 104     m_pReportDefinitionMultiPlexer = addStyleListener(xReportDefinition,this);
 105 }
 106
 107 void OScrollWindowHelper::setTotalSize(sal_Int32 _nWidth ,sal_Int32 _nHeight)
 108 {
 109     m_aTotalPixelSize.setWidth( _nWidth );
 110     m_aTotalPixelSize.setHeight( _nHeight );
 111
 112     // now set the ranges without start marker
 113     Fraction aStartWidth(REPORT_STARTMARKER_WIDTH * m_pParent->getController().getZoomValue(),100);
 114     long nWidth = long(_nWidth - static_cast<double>(aStartWidth));
 115     m_aHScroll->SetRangeMax( nWidth );
 116     m_aVScroll->SetRangeMax( m_aTotalPixelSize.Height() );
 117
 118     Resize();
 119 }
 120
 121 Size OScrollWindowHelper::ResizeScrollBars()
 122 {
 123     // get the new output-size in pixel
 124     Size aOutPixSz = GetOutputSizePixel();
 125     if ( aOutPixSz.Width() == 0 || aOutPixSz.Height() == 0 )
 126         return aOutPixSz;
 127
 128     aOutPixSz.AdjustHeight( -(m_aReportWindow->getRulerHeight()) );
 129     // determine the size of the output-area and if we need scrollbars
 130     const long nScrSize = GetSettings().GetStyleSettings().GetScrollBarSize();
 131     bool bVVisible = false; // by default no vertical-ScrollBar
 132     bool bHVisible = false; // by default no horizontal-ScrollBar
 133     bool bChanged;          // determines if a visiblility was changed
 134     do
 135     {
 136         bChanged = false;
 137
 138         // does we need a vertical ScrollBar
 139         if ( aOutPixSz.Width() < m_aTotalPixelSize.Width() && !bHVisible )
 140         {
 141             bHVisible = true;
 142             aOutPixSz.AdjustHeight( -nScrSize );
 143             bChanged = true;
 144         }
 145
 146         // does we need a horizontal ScrollBar
 147         if ( aOutPixSz.Height() < m_aTotalPixelSize.Height() && !bVVisible )
 148         {
 149             bVVisible = true;
 150             aOutPixSz.AdjustWidth( -nScrSize );
 151             bChanged = true;
 152         }
 153
 154     }
 155     while ( bChanged );   // until no visibility has changed
 156
 157     aOutPixSz.AdjustHeight(m_aReportWindow->getRulerHeight() );
 158
 159     // show or hide scrollbars
 160     m_aVScroll->Show( bVVisible );
 161     m_aHScroll->Show( bHVisible );
 162
 163     // disable painting in the corner between the scrollbars
 164     if ( bVVisible && bHVisible )
 165     {
 166         m_aCornerWin->SetPosSizePixel(Point(aOutPixSz.Width(), aOutPixSz.Height()), Size(nScrSize, nScrSize) );
 167         m_aCornerWin->Show();
 168     }
 169     else
 170         m_aCornerWin->Hide();
 171
 172     const Point aOffset = LogicToPixel(Point(SECTION_OFFSET, SECTION_OFFSET), MapMode(MapUnit::MapAppFont));
 173     // resize scrollbars and set their ranges
 174     {
 175         Fraction aStartWidth(long(REPORT_STARTMARKER_WIDTH*m_pParent->getController().getZoomValue()),100);
 176         const sal_Int32 nNewWidth = aOutPixSz.Width() - aOffset.X() - static_cast<long>(aStartWidth);
 177         lcl_setScrollBar(nNewWidth,Point( static_cast<long>(aStartWidth) + aOffset.X(), aOutPixSz.Height() ), Size( nNewWidth, nScrSize ), *m_aHScroll.get());
 178     }
 179     {
 180         const sal_Int32 nNewHeight = aOutPixSz.Height() - m_aReportWindow->getRulerHeight();
 181         lcl_setScrollBar(nNewHeight,Point( aOutPixSz.Width(), m_aReportWindow->getRulerHeight() ), Size( nScrSize,nNewHeight), *m_aVScroll.get());
 182     }
 183
 184     return aOutPixSz;
 185 }
 186
 187 void OScrollWindowHelper::Resize()
 188 {
 189     OScrollWindowHelper_BASE::Resize();
 190     const Size aTotalOutputSize = ResizeScrollBars();
 191
 192     m_aReportWindow->SetPosSizePixel(Point( 0, 0 ),aTotalOutputSize);
 193 }
 194
 195 IMPL_LINK( OScrollWindowHelper, ScrollHdl, ScrollBar*, /*pScroll*/, void )
 196 {
 197     m_aReportWindow->ScrollChildren( getThumbPos() );
 198 }
 199
 200 void OScrollWindowHelper::addSection(const uno::Reference< report::XSection >& _xSection
 201                                    ,const OUString& _sColorEntry
 202                                    ,sal_uInt16 _nPosition)
 203 {
 204     m_aReportWindow->addSection(_xSection,_sColorEntry,_nPosition);
 205 }
 206
 207 void OScrollWindowHelper::removeSection(sal_uInt16 _nPosition)
 208 {
 209     m_aReportWindow->removeSection(_nPosition);
 210 }
 211
 212 void OScrollWindowHelper::toggleGrid(bool _bVisible)
 213 {
 214     m_aReportWindow->toggleGrid(_bVisible);
 215 }
 216
 217 sal_uInt16 OScrollWindowHelper::getSectionCount() const
 218 {
 219     return m_aReportWindow->getSectionCount();
 220 }
 221
 222 void OScrollWindowHelper::SetInsertObj( sal_uInt16 eObj,const OUString& _sShapeType )
 223 {
 224     m_aReportWindow->SetInsertObj(eObj,_sShapeType);
 225 }
 226
 227 OUString const & OScrollWindowHelper::GetInsertObjString() const
 228 {
 229     return m_aReportWindow->GetInsertObjString();
 230 }
 231
 232 void OScrollWindowHelper::SetMode( DlgEdMode _eNewMode )
 233 {
 234     m_aReportWindow->SetMode(_eNewMode);
 235 }
 236
 237 bool OScrollWindowHelper::HasSelection() const
 238 {
 239     return m_aReportWindow->HasSelection();
 240 }
 241
 242 void OScrollWindowHelper::Delete()
 243 {
 244     m_aReportWindow->Delete();
 245 }
 246
 247 void OScrollWindowHelper::Copy()
 248 {
 249     m_aReportWindow->Copy();
 250 }
 251
 252 void OScrollWindowHelper::Paste()
 253 {
 254     m_aReportWindow->Paste();
 255 }
 256
 257 bool OScrollWindowHelper::IsPasteAllowed() const
 258 {
 259     return m_aReportWindow->IsPasteAllowed();
 260 }
 261
 262 void OScrollWindowHelper::SelectAll(const sal_uInt16 _nObjectType)
 263 {
 264     m_aReportWindow->SelectAll(_nObjectType);
 265 }
 266
 267 void OScrollWindowHelper::unmarkAllObjects()
 268 {
 269     m_aReportWindow->unmarkAllObjects();
 270 }
 271
 272 sal_Int32 OScrollWindowHelper::getMaxMarkerWidth() const
 273 {
 274     return m_aReportWindow->getMaxMarkerWidth();
 275 }
 276
 277 void OScrollWindowHelper::showRuler(bool _bShow)
 278 {
 279     m_aReportWindow->showRuler(_bShow);
 280 }
 281
 282 bool OScrollWindowHelper::handleKeyEvent(const KeyEvent& _rEvent)
 283 {
 284     return m_aReportWindow->handleKeyEvent(_rEvent);
 285 }
 286
 287 void OScrollWindowHelper::setMarked(OSectionView const * _pSectionView, bool _bMark)
 288 {
 289     m_aReportWindow->setMarked(_pSectionView,_bMark);
 290 }
 291
 292 void OScrollWindowHelper::setMarked(const uno::Reference< report::XSection>& _xSection, bool _bMark)
 293 {
 294     m_aReportWindow->setMarked(_xSection,_bMark);
 295 }
 296
 297 void OScrollWindowHelper::setMarked(const uno::Sequence< uno::Reference< report::XReportComponent> >& _xShape, bool _bMark)
 298 {
 299     m_aReportWindow->setMarked(_xShape,_bMark);
 300 }
 301
 302 OSectionWindow* OScrollWindowHelper::getMarkedSection(NearSectionAccess nsa) const
 303 {
 304     return m_aReportWindow->getMarkedSection(nsa);
 305 }
 306
 307 OSectionWindow* OScrollWindowHelper::getSectionWindow(const css::uno::Reference< css::report::XSection>& _xSection) const
 308 {
 309     return  m_aReportWindow->getSectionWindow(_xSection);
 310 }
 311
 312 void OScrollWindowHelper::markSection(const sal_uInt16 _nPos)
 313 {
 314     m_aReportWindow->markSection(_nPos);
 315 }
 316
 317 void OScrollWindowHelper::fillCollapsedSections(::std::vector<sal_uInt16>& _rCollapsedPositions) const
 318 {
 319     m_aReportWindow->fillCollapsedSections(_rCollapsedPositions);
 320 }
 321
 322 void OScrollWindowHelper::collapseSections(const uno::Sequence< css::beans::PropertyValue>& _aCollpasedSections)
 323 {
 324     m_aReportWindow->collapseSections(_aCollpasedSections);
 325 }
 326
 327 bool OScrollWindowHelper::EventNotify( NotifyEvent& rNEvt )
 328 {
 329     const CommandEvent* pCommandEvent = rNEvt.GetCommandEvent();
 330     if ( pCommandEvent &&
 331         ((pCommandEvent->GetCommand() == CommandEventId::Wheel) ||
 332          (pCommandEvent->GetCommand() == CommandEventId::StartAutoScroll) ||
 333          (pCommandEvent->GetCommand() == CommandEventId::AutoScroll)) )
 334     {
 335         ScrollBar* pHScrBar = nullptr;
 336         ScrollBar* pVScrBar = nullptr;
 337         if ( m_aHScroll->IsVisible() )
 338             pHScrBar = m_aHScroll.get();
 339
 340         if ( m_aVScroll->IsVisible() )
 341             pVScrBar = m_aVScroll.get();
 342
 343         if ( HandleScrollCommand( *pCommandEvent, pHScrBar, pVScrBar ) )
 344             return true;
 345     }
 346     return OScrollWindowHelper_BASE::EventNotify(rNEvt);
 347 }
 348
 349 void OScrollWindowHelper::alignMarkedObjects(ControlModification _nControlModification, bool _bAlignAtSection)
 350 {
 351     m_aReportWindow->alignMarkedObjects(_nControlModification, _bAlignAtSection);
 352 }
 353
 354 void OScrollWindowHelper::ImplInitSettings()
 355 {
 356     SetBackground( Wallpaper( Application::GetSettings().GetStyleSettings().GetFaceColor() ));
 357     SetFillColor( Application::GetSettings().GetStyleSettings().GetFaceColor() );
 358     SetTextFillColor( Application::GetSettings().GetStyleSettings().GetFaceColor() );
 359 }
 360
 361 void OScrollWindowHelper::DataChanged( const DataChangedEvent& rDCEvt )
 362 {
 363     Window::DataChanged( rDCEvt );
 364
 365     if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
 366          (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
 367     {
 368         ImplInitSettings();
 369         Invalidate();
 370     }
 371 }
 372
 373 void OScrollWindowHelper::_propertyChanged(const beans::PropertyChangeEvent& /*_rEvent*/)
 374 {
 375     m_aReportWindow->notifySizeChanged();
 376 }
 377
 378 void OScrollWindowHelper::setGridSnap(bool bOn)
 379 {
 380     m_aReportWindow->setGridSnap(bOn);
 381 }
 382
 383 void OScrollWindowHelper::setDragStripes(bool bOn)
 384 {
 385     m_aReportWindow->setDragStripes(bOn);
 386 }
 387
 388 sal_uInt32 OScrollWindowHelper::getMarkedObjectCount() const
 389 {
 390     return m_aReportWindow->getMarkedObjectCount();
 391 }
 392
 393 void OScrollWindowHelper::zoom(const Fraction& _aZoom)
 394 {
 395     m_aReportWindow->zoom(_aZoom);
 396     Resize();
 397     Invalidate(InvalidateFlags::NoChildren|InvalidateFlags::Transparent);
 398 }
 399
 400 void OScrollWindowHelper::fillControlModelSelection(::std::vector< uno::Reference< uno::XInterface > >& _rSelection) const
 401 {
 402     m_aReportWindow->fillControlModelSelection(_rSelection);
 403 }
 404
 405 sal_uInt16 OScrollWindowHelper::getZoomFactor(SvxZoomType _eType) const
 406 {
 407     return m_aReportWindow->getZoomFactor(_eType);
 408 }
 409
 410 } // rptui
 411
 412
 413 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */