framework/source/uielement/fontmenucontroller.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/fontmenucontroller.hxx>
  21
  22 #include <services.h>
  23
  24 #include <com/sun/star/awt/MenuItemStyle.hpp>
  25 #include <com/sun/star/frame/XDispatchProvider.hpp>
  26 #include <com/sun/star/frame/XFrame.hpp>
  27 #include <com/sun/star/util/XURLTransformer.hpp>
  28
  29 #include <vcl/svapp.hxx>
  30 #include <vcl/settings.hxx>
  31 #include <vcl/i18nhelp.hxx>
  32 #include <tools/urlobj.hxx>
  33 #include <vcl/mnemonic.hxx>
  34 #include <osl/mutex.hxx>
  35 #include <cppuhelper/supportsservice.hxx>
  36 #include <toolkit/awt/vclxmenu.hxx>
  37
  38 //  Defines
  39
  40 using namespace css::uno;
  41 using namespace css::lang;
  42 using namespace css::frame;
  43 using namespace css::beans;
  44 using namespace css::util;
  45
  46 static bool lcl_I18nCompareString(const OUString& rStr1, const OUString& rStr2)
  47 {
  48     const vcl::I18nHelper& rI18nHelper = Application::GetSettings().GetUILocaleI18nHelper();
  49     return rI18nHelper.CompareString( rStr1, rStr2 ) < 0;
  50 }
  51
  52 namespace framework
  53 {
  54
  55 // XInterface, XTypeProvider, XServiceInfo
  56
  57 OUString SAL_CALL FontMenuController::getImplementationName()
  58 {
  59     return "com.sun.star.comp.framework.FontMenuController";
  60 }
  61
  62 sal_Bool SAL_CALL FontMenuController::supportsService( const OUString& sServiceName )
  63 {
  64     return cppu::supportsService(this, sServiceName);
  65 }
  66
  67 css::uno::Sequence< OUString > SAL_CALL FontMenuController::getSupportedServiceNames()
  68 {
  69     return { SERVICENAME_POPUPMENUCONTROLLER };
  70 }
  71
  72 FontMenuController::FontMenuController( const css::uno::Reference< css::uno::XComponentContext >& xContext ) :
  73     svt::PopupMenuControllerBase( xContext )
  74 {
  75 }
  76
  77 FontMenuController::~FontMenuController()
  78 {
  79 }
  80
  81 // private function
  82 void FontMenuController::fillPopupMenu( const Sequence< OUString >& rFontNameSeq, Reference< css::awt::XPopupMenu > const & rPopupMenu )
  83 {
  84     SolarMutexGuard aSolarMutexGuard;
  85
  86     resetPopupMenu( rPopupMenu );
  87
  88     std::vector<OUString> aVector;
  89     aVector.reserve(rFontNameSeq.getLength());
  90     for ( OUString const & s : rFontNameSeq )
  91     {
  92         aVector.push_back(MnemonicGenerator::EraseAllMnemonicChars(s));
  93     }
  94     sort(aVector.begin(), aVector.end(), lcl_I18nCompareString );
  95
  96     static constexpr OUStringLiteral aFontNameCommandPrefix( u".uno:CharFontName?CharFontName.FamilyName:string=" );
  97     const sal_Int16 nCount = static_cast<sal_Int16>(aVector.size());
  98     for ( sal_Int16 i = 0; i < nCount; i++ )
  99     {
 100         const OUString& rName = aVector[i];
 101         m_xPopupMenu->insertItem( i+1, rName, css::awt::MenuItemStyle::RADIOCHECK | css::awt::MenuItemStyle::AUTOCHECK, i );
 102         if ( rName == m_aFontFamilyName )
 103             m_xPopupMenu->checkItem( i+1, true );
 104         OUString aFontNameCommand = aFontNameCommandPrefix + INetURLObject::encode( rName, INetURLObject::PART_HTTP_QUERY, INetURLObject::EncodeMechanism::All );
 105         m_xPopupMenu->setCommand(i + 1, aFontNameCommand); // Store font name into item command.
 106     }
 107 }
 108
 109 // XEventListener
 110 void SAL_CALL FontMenuController::disposing( const EventObject& )
 111 {
 112     Reference< css::awt::XMenuListener > xHolder(this);
 113
 114     std::unique_lock aLock( m_aMutex );
 115     m_xFrame.clear();
 116     m_xDispatch.clear();
 117     m_xFontListDispatch.clear();
 118
 119     if ( m_xPopupMenu.is() )
 120         m_xPopupMenu->removeMenuListener( Reference< css::awt::XMenuListener >(this) );
 121     m_xPopupMenu.clear();
 122 }
 123
 124 // XStatusListener
 125 void SAL_CALL FontMenuController::statusChanged( const FeatureStateEvent& Event )
 126 {
 127     css::awt::FontDescriptor aFontDescriptor;
 128     Sequence< OUString >           aFontNameSeq;
 129
 130     if ( Event.State >>= aFontDescriptor )
 131     {
 132         std::unique_lock aLock( m_aMutex );
 133         m_aFontFamilyName = aFontDescriptor.Name;
 134     }
 135     else if ( Event.State >>= aFontNameSeq )
 136     {
 137         std::unique_lock aLock( m_aMutex );
 138         if ( m_xPopupMenu.is() )
 139             fillPopupMenu( aFontNameSeq, m_xPopupMenu );
 140     }
 141 }
 142
 143 // XMenuListener
 144 void SAL_CALL FontMenuController::itemActivated( const css::awt::MenuEvent& )
 145 {
 146     std::unique_lock aLock( m_aMutex );
 147
 148     if ( !m_xPopupMenu.is() )
 149         return;
 150
 151     // find new font name and set check mark!
 152     sal_uInt16        nChecked = 0;
 153     sal_uInt16        nItemCount = m_xPopupMenu->getItemCount();
 154     for( sal_uInt16 i = 0; i < nItemCount; i++ )
 155     {
 156         sal_uInt16 nItemId = m_xPopupMenu->getItemId( i );
 157
 158         if ( m_xPopupMenu->isItemChecked( nItemId ) )
 159             nChecked = nItemId;
 160
 161         OUString aText = m_xPopupMenu->getItemText( nItemId );
 162
 163         // TODO: must be replaced by implementation of VCL, when available
 164         sal_Int32 nIndex = aText.indexOf( '~' );
 165         if ( nIndex >= 0 )
 166             aText = aText.replaceAt( nIndex, 1, u"" );
 167         // TODO: must be replaced by implementation of VCL, when available
 168
 169         if ( aText == m_aFontFamilyName )
 170         {
 171             m_xPopupMenu->checkItem( nItemId, true );
 172             return;
 173         }
 174     }
 175
 176     if ( nChecked )
 177         m_xPopupMenu->checkItem( nChecked, false );
 178 }
 179
 180 // XPopupMenuController
 181 void FontMenuController::impl_setPopupMenu()
 182 {
 183     Reference< XDispatchProvider > xDispatchProvider( m_xFrame, UNO_QUERY );
 184
 185     css::util::URL aTargetURL;
 186     // Register for font list updates to get the current font list from the controller
 187     aTargetURL.Complete = ".uno:FontNameList";
 188     m_xURLTransformer->parseStrict( aTargetURL );
 189     m_xFontListDispatch = xDispatchProvider->queryDispatch( aTargetURL, OUString(), 0 );
 190 }
 191
 192 void SAL_CALL FontMenuController::updatePopupMenu()
 193 {
 194     svt::PopupMenuControllerBase::updatePopupMenu();
 195
 196     std::unique_lock aLock( m_aMutex );
 197     Reference< XDispatch > xDispatch( m_xFontListDispatch );
 198     css::util::URL aTargetURL;
 199     aTargetURL.Complete = ".uno:FontNameList";
 200     m_xURLTransformer->parseStrict( aTargetURL );
 201     aLock.unlock();
 202
 203     if ( xDispatch.is() )
 204     {
 205         xDispatch->addStatusListener( static_cast< XStatusListener* >(this), aTargetURL );
 206         xDispatch->removeStatusListener( static_cast< XStatusListener* >(this), aTargetURL );
 207     }
 208 }
 209
 210 }
 211
 212 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 213 framework_FontMenuController_get_implementation(
 214     css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& )
 215 {
 216     return cppu::acquire(new framework::FontMenuController(context));
 217 }
 218
 219 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */