framework/source/uielement/fontsizemenucontroller.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
  20 #include <uielement/fontsizemenucontroller.hxx>
  21
  22 #include "services.h"
  23
  24 #include <com/sun/star/awt/XDevice.hpp>
  25 #include <com/sun/star/beans/PropertyValue.hpp>
  26 #include <com/sun/star/awt/MenuItemStyle.hpp>
  27 #include <com/sun/star/frame/XDispatchProvider.hpp>
  28 #include <com/sun/star/view/XPrintable.hpp>
  29
  30 #include <vcl/menu.hxx>
  31 #include <tools/mapunit.hxx>
  32 #include <vcl/svapp.hxx>
  33 #include <vcl/i18nhelp.hxx>
  34 #include <vcl/outdev.hxx>
  35 #include <vcl/print.hxx>
  36 #include <vcl/settings.hxx>
  37 #include <svtools/ctrltool.hxx>
  38 #include <osl/mutex.hxx>
  39 #include <boost/scoped_ptr.hpp>
  40
  41 //  Defines
  42
  43 using namespace com::sun::star::uno;
  44 using namespace com::sun::star::lang;
  45 using namespace com::sun::star::frame;
  46 using namespace com::sun::star::beans;
  47 using namespace com::sun::star::util;
  48 using namespace com::sun::star::view;
  49
  50 namespace framework
  51 {
  52
  53 DEFINE_XSERVICEINFO_MULTISERVICE_2      (   FontSizeMenuController                      ,
  54                                             OWeakObject                                 ,
  55                                             SERVICENAME_POPUPMENUCONTROLLER             ,
  56                                             IMPLEMENTATIONNAME_FONTSIZEMENUCONTROLLER
  57                                         )
  58
  59 DEFINE_INIT_SERVICE                     (   FontSizeMenuController, {} )
  60
  61 FontSizeMenuController::FontSizeMenuController( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xContext ) :
  62     svt::PopupMenuControllerBase( xContext ),
  63     m_pHeightArray( 0 )
  64 {
  65 }
  66
  67 FontSizeMenuController::~FontSizeMenuController()
  68 {
  69     delete []m_pHeightArray;
  70 }
  71
  72 // private function
  73 OUString FontSizeMenuController::retrievePrinterName( com::sun::star::uno::Reference< com::sun::star::frame::XFrame >& rFrame )
  74 {
  75     OUString aPrinterName;
  76
  77     if ( rFrame.is() )
  78     {
  79         Reference< XController > xController = m_xFrame->getController();
  80         if ( xController.is() )
  81         {
  82             Reference< XPrintable > xPrintable( xController->getModel(), UNO_QUERY );
  83             if ( xPrintable.is() )
  84             {
  85                 Sequence< PropertyValue > aPrinterSeq = xPrintable->getPrinter();
  86                 for ( int i = 0; i < aPrinterSeq.getLength(); i++ )
  87                 {
  88                     if ( aPrinterSeq[i].Name == "Name" )
  89                     {
  90                         aPrinterSeq[i].Value >>= aPrinterName;
  91                         break;
  92                     }
  93                 }
  94             }
  95         }
  96     }
  97
  98     return aPrinterName;
  99 }
 100
 101 // private function
 102 void FontSizeMenuController::setCurHeight( long nHeight, Reference< css::awt::XPopupMenu >& rPopupMenu )
 103 {
 104     // check menu item
 105     sal_uInt16          nChecked    = 0;
 106     sal_uInt16          nItemCount  = rPopupMenu->getItemCount();
 107     for( sal_uInt16 i = 0; i < nItemCount; i++ )
 108     {
 109         sal_uInt16 nItemId = rPopupMenu->getItemId( i );
 110
 111         if ( m_pHeightArray[i] == nHeight )
 112         {
 113             rPopupMenu->checkItem( nItemId, sal_True );
 114             return;
 115         }
 116
 117         if ( rPopupMenu->isItemChecked( nItemId ) )
 118             nChecked = nItemId;
 119     }
 120
 121     if ( nChecked )
 122         rPopupMenu->checkItem( nChecked, sal_False );
 123 }
 124
 125 // private function
 126 void FontSizeMenuController::fillPopupMenu( Reference< css::awt::XPopupMenu >& rPopupMenu )
 127 {
 128     VCLXPopupMenu*          pPopupMenu = static_cast<VCLXPopupMenu *>(VCLXMenu::GetImplementation( rPopupMenu ));
 129     PopupMenu*              pVCLPopupMenu = 0;
 130
 131     resetPopupMenu( rPopupMenu );
 132     if ( pPopupMenu )
 133         pVCLPopupMenu = static_cast<PopupMenu *>(pPopupMenu->GetMenu());
 134
 135     if ( pVCLPopupMenu )
 136     {
 137         boost::scoped_ptr<FontList> pFontList;
 138         ScopedVclPtr<Printer>  pInfoPrinter;
 139         OUString   aPrinterName;
 140
 141         SolarMutexGuard aSolarMutexGuard;
 142
 143         // try to retrieve printer name of document
 144         aPrinterName = retrievePrinterName( m_xFrame );
 145         if ( !aPrinterName.isEmpty() )
 146         {
 147             pInfoPrinter.reset(VclPtr<Printer>::Create( aPrinterName ));
 148             if ( pInfoPrinter && pInfoPrinter->GetDevFontCount() > 0 )
 149                 pFontList.reset(new FontList( pInfoPrinter.get() ));
 150         }
 151
 152         if ( !pFontList )
 153             pFontList.reset(new FontList( Application::GetDefaultDevice() ));
 154
 155         vcl::FontInfo aFntInfo = pFontList->Get( m_aFontDescriptor.Name, m_aFontDescriptor.StyleName );
 156
 157         // setup font size array
 158         if ( m_pHeightArray )
 159             delete m_pHeightArray;
 160
 161         const sal_IntPtr* pTempAry;
 162         const sal_IntPtr* pAry = pFontList->GetSizeAry( aFntInfo );
 163         sal_uInt16 nSizeCount = 0;
 164         while ( pAry[nSizeCount] )
 165             nSizeCount++;
 166
 167         sal_uInt16 nPos = 0;
 168         const OUString aFontHeightCommand( ".uno:FontHeight?FontHeight.Height:float=" );
 169
 170         // first insert font size names (for simplified/traditional chinese)
 171         float           fPoint;
 172         FontSizeNames   aFontSizeNames( Application::GetSettings().GetUILanguageTag().getLanguageType() );
 173         m_pHeightArray = new long[nSizeCount+aFontSizeNames.Count()];
 174         OUString   aCommand;
 175
 176         if ( !aFontSizeNames.IsEmpty() )
 177         {
 178             if ( pAry == FontList::GetStdSizeAry() )
 179             {
 180                 // for scalable fonts all font size names
 181                 sal_uLong nCount = aFontSizeNames.Count();
 182                 for( sal_uLong i = 0; i < nCount; i++ )
 183                 {
 184                     OUString  aSizeName = aFontSizeNames.GetIndexName( i );
 185                     long      nSize = aFontSizeNames.GetIndexSize( i );
 186                     m_pHeightArray[nPos] = nSize;
 187                     nPos++; // Id is nPos+1
 188                     pVCLPopupMenu->InsertItem( nPos, aSizeName, MenuItemBits::RADIOCHECK | MenuItemBits::AUTOCHECK );
 189                     fPoint = float( m_pHeightArray[nPos-1] ) / 10;
 190
 191                     // Create dispatchable .uno command and set it
 192                     aCommand = aFontHeightCommand + OUString::number( fPoint );
 193                     pVCLPopupMenu->SetItemCommand( nPos, aCommand );
 194                 }
 195             }
 196             else
 197             {
 198                 // for fixed size fonts only selectable font size names
 199                 pTempAry = pAry;
 200                 while ( *pTempAry )
 201                 {
 202                     OUString aSizeName = aFontSizeNames.Size2Name( *pTempAry );
 203                     if ( !aSizeName.isEmpty() )
 204                     {
 205                         m_pHeightArray[nPos] = *pTempAry;
 206                         nPos++; // Id is nPos+1
 207                         pVCLPopupMenu->InsertItem( nPos, aSizeName, MenuItemBits::RADIOCHECK | MenuItemBits::AUTOCHECK );
 208                         fPoint = float( m_pHeightArray[nPos-1] ) / 10;
 209
 210                         // Create dispatchable .uno command and set it
 211                         aCommand = aFontHeightCommand + OUString::number( fPoint );
 212                         pVCLPopupMenu->SetItemCommand( nPos, aCommand );
 213                     }
 214                     pTempAry++;
 215                 }
 216             }
 217         }
 218
 219         // then insert numerical font size values
 220         const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
 221         pTempAry = pAry;
 222         while ( *pTempAry )
 223         {
 224             m_pHeightArray[nPos] = *pTempAry;
 225             nPos++; // Id is nPos+1
 226             pVCLPopupMenu->InsertItem( nPos, rI18nHelper.GetNum( *pTempAry, 1, true, false ), MenuItemBits::RADIOCHECK | MenuItemBits::AUTOCHECK );
 227             fPoint = float( m_pHeightArray[nPos-1] ) / 10;
 228
 229             // Create dispatchable .uno command and set it
 230             aCommand = aFontHeightCommand + OUString::number( fPoint );
 231             pVCLPopupMenu->SetItemCommand( nPos, aCommand );
 232
 233             pTempAry++;
 234         }
 235
 236         setCurHeight( long( m_aFontHeight.Height * 10), rPopupMenu );
 237     }
 238 }
 239
 240 // XEventListener
 241 void SAL_CALL FontSizeMenuController::disposing( const EventObject& ) throw ( RuntimeException, std::exception )
 242 {
 243     Reference< css::awt::XMenuListener > xHolder(( OWeakObject *)this, UNO_QUERY );
 244
 245     osl::MutexGuard aLock( m_aMutex );
 246     m_xFrame.clear();
 247     m_xDispatch.clear();
 248     m_xCurrentFontDispatch.clear();
 249     if ( m_xPopupMenu.is() )
 250         m_xPopupMenu->removeMenuListener( Reference< css::awt::XMenuListener >(( OWeakObject *)this, UNO_QUERY ));
 251     m_xPopupMenu.clear();
 252 }
 253
 254 // XStatusListener
 255 void SAL_CALL FontSizeMenuController::statusChanged( const FeatureStateEvent& Event ) throw ( RuntimeException, std::exception )
 256 {
 257     com::sun::star::awt::FontDescriptor                 aFontDescriptor;
 258     ::com::sun::star::frame::status::FontHeight   aFontHeight;
 259
 260     if ( Event.State >>= aFontDescriptor )
 261     {
 262         osl::MutexGuard aLock( m_aMutex );
 263         m_aFontDescriptor = aFontDescriptor;
 264
 265         if ( m_xPopupMenu.is() )
 266             fillPopupMenu( m_xPopupMenu );
 267
 268     }
 269     else if ( Event.State >>= aFontHeight )
 270     {
 271         osl::MutexGuard aLock( m_aMutex );
 272         m_aFontHeight = aFontHeight;
 273
 274         if ( m_xPopupMenu.is() )
 275         {
 276             SolarMutexGuard aSolarMutexGuard;
 277             setCurHeight( long( m_aFontHeight.Height * 10), m_xPopupMenu );
 278         }
 279     }
 280 }
 281
 282 // XMenuListener
 283 void FontSizeMenuController::impl_select(const Reference< XDispatch >& _xDispatch,const ::com::sun::star::util::URL& aTargetURL)
 284 {
 285     Sequence<PropertyValue>      aArgs;
 286     OSL_ENSURE(_xDispatch.is(),"FontSizeMenuController::impl_select: No dispatch");
 287     if ( _xDispatch.is() )
 288         _xDispatch->dispatch( aTargetURL, aArgs );
 289 }
 290
 291 // XPopupMenuController
 292 void FontSizeMenuController::impl_setPopupMenu()
 293 {
 294     Reference< XDispatchProvider > xDispatchProvider( m_xFrame, UNO_QUERY );
 295     com::sun::star::util::URL aTargetURL;
 296     // Register for font name updates which gives us info about the current font!
 297     aTargetURL.Complete = ".uno:CharFontName";
 298     m_xURLTransformer->parseStrict( aTargetURL );
 299     m_xCurrentFontDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 );
 300 }
 301
 302 void SAL_CALL FontSizeMenuController::updatePopupMenu() throw ( ::com::sun::star::uno::RuntimeException, std::exception )
 303 {
 304     osl::ClearableMutexGuard aLock( m_aMutex );
 305
 306     throwIfDisposed();
 307
 308     Reference< XDispatch > xDispatch( m_xCurrentFontDispatch );
 309     com::sun::star::util::URL aTargetURL;
 310     aTargetURL.Complete = ".uno:CharFontName";
 311     m_xURLTransformer->parseStrict( aTargetURL );
 312     aLock.clear();
 313
 314     if ( xDispatch.is() )
 315     {
 316         xDispatch->addStatusListener( (static_cast< XStatusListener* >(this)), aTargetURL );
 317         xDispatch->removeStatusListener( (static_cast< XStatusListener* >(this)), aTargetURL );
 318     }
 319
 320     svt::PopupMenuControllerBase::updatePopupMenu();
 321 }
 322 }
 323
 324 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */