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Diffstat (limited to '')
| -rw-r--r-- | framework/source/uielement/langselectionstatusbarcontroller.cxx | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/framework/source/uielement/langselectionstatusbarcontroller.cxx b/framework/source/uielement/langselectionstatusbarcontroller.cxx new file mode 100644 index 000000000..2e12c12fe --- /dev/null +++ b/framework/source/uielement/langselectionstatusbarcontroller.cxx @@ -0,0 +1,356 @@ +/* -*- 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 <classes/fwkresid.hxx> +#include <services.h> +#include <strings.hrc> +#include <vcl/svapp.hxx> + +#include <cppuhelper/supportsservice.hxx> +#include <com/sun/star/awt/PopupMenu.hpp> +#include <com/sun/star/awt/PopupMenuDirection.hpp> +#include <svtools/langtab.hxx> +#include <svtools/statusbarcontroller.hxx> +#include <sal/types.h> +#include <sal/log.hxx> +#include <com/sun/star/document/XDocumentLanguages.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/i18n/ScriptType.hpp> +#include <com/sun/star/ui/XStatusbarItem.hpp> + +#include <com/sun/star/frame/XFrame.hpp> + +#include <com/sun/star/awt/Command.hpp> +#include <svl/languageoptions.hxx> + +#include <helper/mischelper.hxx> + +#include <rtl/ustrbuf.hxx> + +#include <map> +#include <set> + +using namespace ::cppu; +using namespace ::com::sun::star; +using namespace css::uno; +using namespace css::lang; +using namespace css::frame; +using namespace css::i18n; +using namespace css::document; +using namespace framework; + +namespace { + +class LangSelectionStatusbarController: + public svt::StatusbarController +{ +public: + explicit LangSelectionStatusbarController( const css::uno::Reference< css::uno::XComponentContext >& xContext ); + LangSelectionStatusbarController(const LangSelectionStatusbarController&) = delete; + LangSelectionStatusbarController& operator=(const LangSelectionStatusbarController&) = delete; + + // XInitialization + virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override; + + // XStatusListener + virtual void SAL_CALL statusChanged( const css::frame::FeatureStateEvent& Event ) override; + + // XStatusbarController + virtual void SAL_CALL command( const css::awt::Point& aPos, + ::sal_Int32 nCommand, + sal_Bool bMouseEvent, + const css::uno::Any& aData ) override; + virtual void SAL_CALL click( const css::awt::Point& aPos ) override; + +private: + virtual ~LangSelectionStatusbarController() override {} + + bool m_bShowMenu; // if the menu is to be displayed or not (depending on the selected object/text) + SvtScriptType m_nScriptType; // the flags for the different script types available in the selection, LATIN = 0x0001, ASIAN = 0x0002, COMPLEX = 0x0004 + OUString m_aCurLang; // the language of the current selection, "*" if there are more than one languages + OUString m_aKeyboardLang; // the keyboard language + OUString m_aGuessedTextLang; // the 'guessed' language for the selection, "" if none could be guessed + LanguageGuessingHelper m_aLangGuessHelper; + + /// @throws css::uno::RuntimeException + void LangMenu( const css::awt::Point& aPos ); +}; + +LangSelectionStatusbarController::LangSelectionStatusbarController( const uno::Reference< uno::XComponentContext >& xContext ) : + svt::StatusbarController( xContext, uno::Reference< frame::XFrame >(), OUString(), 0 ), + m_bShowMenu( true ), + m_nScriptType( SvtScriptType::LATIN | SvtScriptType::ASIAN | SvtScriptType::COMPLEX ), + m_aLangGuessHelper( xContext ) +{ +} + +void SAL_CALL LangSelectionStatusbarController::initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) +{ + SolarMutexGuard aSolarMutexGuard; + + svt::StatusbarController::initialize( aArguments ); + + if ( m_xStatusbarItem.is() ) + { + m_xStatusbarItem->setText( FwkResId(STR_LANGSTATUS_MULTIPLE_LANGUAGES) ); + m_xStatusbarItem->setQuickHelpText(FwkResId(STR_LANGSTATUS_HINT)); + } +} + +void LangSelectionStatusbarController::LangMenu( + const css::awt::Point& aPos ) +{ + if (!m_bShowMenu) + return; + + const Reference<XServiceInfo> xService(m_xFrame->getController()->getModel(), UNO_QUERY); + bool bWriter = xService.is() && xService->supportsService("com.sun.star.text.GenericTextDocument"); + //add context menu + Reference< awt::XPopupMenu > xPopupMenu( awt::PopupMenu::create( m_xContext ) ); + //sub menu that contains all items except the last two items: Separator + Set Language for Paragraph + Reference< awt::XPopupMenu > subPopupMenu( awt::PopupMenu::create( m_xContext ) ); + + // get languages to be displayed in the menu + std::set< OUString > aLangItems; + FillLangItems( aLangItems, m_xFrame, m_aLangGuessHelper, + m_nScriptType, m_aCurLang, m_aKeyboardLang, m_aGuessedTextLang ); + + // add first few entries to main menu + sal_Int16 nItemId = static_cast< sal_Int16 >(MID_LANG_SEL_1); + const OUString sAsterisk("*"); // multiple languages in current selection + const OUString sNone( SvtLanguageTable::GetLanguageString( LANGUAGE_NONE )); + std::map< sal_Int16, OUString > aLangMap; + for (auto const& langItem : aLangItems) + { + if ( langItem != sNone && + langItem != sAsterisk && + !langItem.isEmpty()) // 'no language found' from language guessing + { + SAL_WARN_IF( MID_LANG_SEL_1 > nItemId || nItemId > MID_LANG_SEL_9, + "fwk.uielement", "nItemId outside of expected range!" ); + xPopupMenu->insertItem( nItemId, langItem, 0, nItemId ); + if ( langItem == m_aCurLang ) + { + //make a sign for the current language + xPopupMenu->checkItem( nItemId, true ); + } + aLangMap[ nItemId ] = langItem; + ++nItemId; + } + } + + if (bWriter) + { + xPopupMenu->insertItem( MID_LANG_SEL_NONE, FwkResId(STR_LANGSTATUS_NONE), 0, MID_LANG_SEL_NONE ); + if ( sNone == m_aCurLang ) + xPopupMenu->checkItem( MID_LANG_SEL_NONE, true ); + xPopupMenu->insertItem( MID_LANG_SEL_RESET, FwkResId(STR_RESET_TO_DEFAULT_LANGUAGE), 0, MID_LANG_SEL_RESET ); + xPopupMenu->insertItem( MID_LANG_SEL_MORE, FwkResId(STR_LANGSTATUS_MORE), 0, MID_LANG_SEL_MORE ); + + // add entries to submenu ('set language for paragraph') + nItemId = static_cast< sal_Int16 >(MID_LANG_PARA_1); + for (auto const& langItem : aLangItems) + { + if( langItem != sNone && + langItem != sAsterisk && + !langItem.isEmpty()) // 'no language found' from language guessing + { + SAL_WARN_IF( MID_LANG_PARA_1 > nItemId || nItemId > MID_LANG_PARA_9, + "fwk.uielement", "nItemId outside of expected range!" ); + subPopupMenu->insertItem( nItemId, langItem, 0, nItemId ); + aLangMap[nItemId] = langItem; + ++nItemId; + } + } + subPopupMenu->insertItem( MID_LANG_PARA_NONE, FwkResId(STR_LANGSTATUS_NONE), 0, MID_LANG_PARA_NONE ); + subPopupMenu->insertItem( MID_LANG_PARA_RESET, FwkResId(STR_RESET_TO_DEFAULT_LANGUAGE), 0, MID_LANG_PARA_RESET ); + subPopupMenu->insertItem( MID_LANG_PARA_MORE, FwkResId(STR_LANGSTATUS_MORE), 0, MID_LANG_PARA_MORE ); + + // add last two entries to main menu + xPopupMenu->insertSeparator( MID_LANG_PARA_SEPARATOR ); + xPopupMenu->insertItem( MID_LANG_PARA_STRING, FwkResId(STR_SET_LANGUAGE_FOR_PARAGRAPH), 0, MID_LANG_PARA_STRING ); + xPopupMenu->setPopupMenu( MID_LANG_PARA_STRING, subPopupMenu ); + } + else + { + xPopupMenu->insertItem( MID_LANG_DEF_NONE, FwkResId(STR_LANGSTATUS_NONE), 0, MID_LANG_DEF_NONE ); + if ( sNone == m_aCurLang ) + xPopupMenu->checkItem( MID_LANG_DEF_NONE, true ); + xPopupMenu->insertItem( MID_LANG_DEF_RESET, FwkResId(STR_RESET_TO_DEFAULT_LANGUAGE), 0, MID_LANG_DEF_RESET ); + xPopupMenu->insertItem( MID_LANG_DEF_MORE, FwkResId(STR_LANGSTATUS_MORE), 0, MID_LANG_DEF_MORE ); + } + + // now display the popup menu and execute every command ... + + Reference< awt::XWindowPeer > xParent( m_xParentWindow, UNO_QUERY ); + css::awt::Rectangle aRect( aPos.X, aPos.Y, 0, 0 ); + sal_Int16 nId = xPopupMenu->execute( xParent, aRect, css::awt::PopupMenuDirection::EXECUTE_UP+16 ); + //click "More..." + if ( !(nId && m_xFrame.is()) ) + return; + + OUStringBuffer aBuff; + //set selected language as current language for selection + const OUString aSelectedLang = aLangMap[nId]; + + if (MID_LANG_SEL_1 <= nId && nId <= MID_LANG_SEL_9) + { + if (bWriter) + aBuff.append( ".uno:LanguageStatus?Language:string=Current_" ); + else + aBuff.append( ".uno:LanguageStatus?Language:string=Default_" ); + + aBuff.append( aSelectedLang ); + } + else if (nId == MID_LANG_SEL_NONE) + { + //set None as current language for selection + aBuff.append( ".uno:LanguageStatus?Language:string=Current_LANGUAGE_NONE" ); + } + else if (nId == MID_LANG_SEL_RESET) + { + // reset language attributes for selection + aBuff.append( ".uno:LanguageStatus?Language:string=Current_RESET_LANGUAGES" ); + } + else if (nId == MID_LANG_SEL_MORE) + { + //open the dialog "format/character" for current selection + aBuff.append( ".uno:FontDialog?Page:string=font" ); + } + else if (nId == MID_LANG_DEF_NONE) + { + aBuff.append( ".uno:LanguageStatus?Language:string=Default_LANGUAGE_NONE" ); + } + else if (nId == MID_LANG_DEF_RESET) + { + aBuff.append( ".uno:LanguageStatus?Language:string=Default_RESET_LANGUAGES" ); + } + else if (nId == MID_LANG_DEF_MORE) + { + aBuff.append( ".uno:LanguageStatus?Language:string=*" ); + } + else if (MID_LANG_PARA_1 <= nId && nId <= MID_LANG_PARA_9) + { + aBuff.append( ".uno:LanguageStatus?Language:string=Paragraph_" ); + aBuff.append( aSelectedLang ); + } + else if (nId == MID_LANG_PARA_NONE) + { + //set None as language for current paragraph + aBuff.append( ".uno:LanguageStatus?Language:string=Paragraph_LANGUAGE_NONE" ); + } + else if (nId == MID_LANG_PARA_RESET) + { + // reset language attributes for paragraph + aBuff.append( ".uno:LanguageStatus?Language:string=Paragraph_RESET_LANGUAGES" ); + } + else if (nId == MID_LANG_PARA_MORE) + { + //open the dialog "format/character" for current paragraph + aBuff.append( ".uno:FontDialogForParagraph" ); + } + + const Sequence< beans::PropertyValue > aDummyArgs; + execute( aBuff.makeStringAndClear(), aDummyArgs ); +} + +void SAL_CALL LangSelectionStatusbarController::command( + const css::awt::Point& aPos, + ::sal_Int32 nCommand, + sal_Bool /*bMouseEvent*/, + const css::uno::Any& /*aData*/ ) +{ + if ( nCommand & ::awt::Command::CONTEXTMENU ) + { + LangMenu( aPos ); + } +} + +void SAL_CALL LangSelectionStatusbarController::click( + const css::awt::Point& aPos ) +{ + LangMenu( aPos ); +} + +// XStatusListener +void SAL_CALL LangSelectionStatusbarController::statusChanged( const FeatureStateEvent& Event ) +{ + // This function will be called when observed data changes, + // for example the selection or keyboard language. + // - It displays the language in use in the status bar + // - and it stores the relevant data for creating the menu + // at some later point in the member variables + // m_nScriptType, m_aCurLang, m_aKeyboardLang, m_aGuessedText + + SolarMutexGuard aSolarMutexGuard; + + if ( m_bDisposed ) + return; + + m_bShowMenu = true; + m_nScriptType = SvtScriptType::LATIN | SvtScriptType::ASIAN | SvtScriptType::COMPLEX; //set the default value + + if ( !m_xStatusbarItem.is() ) + return; + + OUString aStrValue; + Sequence< OUString > aSeq; + + if ( Event.State >>= aStrValue ) + { + m_xStatusbarItem->setText( aStrValue ); + m_aCurLang = aStrValue; + } + else if ( Event.State >>= aSeq ) + { + if ( aSeq.getLength() == 4 ) + { + OUString aStatusText = aSeq[0]; + if (aStatusText == "*") + { + aStatusText = FwkResId(STR_LANGSTATUS_MULTIPLE_LANGUAGES); + } + m_xStatusbarItem->setText( aStatusText ); + + // Retrieve all other values from the sequence and + // store it members! + m_aCurLang = aSeq[0]; + m_nScriptType = static_cast< SvtScriptType >( aSeq[1].toInt32() ); + m_aKeyboardLang = aSeq[2]; + m_aGuessedTextLang = aSeq[3]; + } + } + else if ( !Event.State.hasValue() ) + { + m_xStatusbarItem->setText( OUString() ); + m_bShowMenu = false; // no language -> no menu + } +} + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_comp_framework_LangSelectionStatusbarController_get_implementation( + css::uno::XComponentContext *context, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new LangSelectionStatusbarController(context)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |