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office-gobmx/framework/source/uielement/langselectionstatusbarcontroller.cxx
Stephan Bergmann e0c33ec15f loplugin:ostr: automatic rewrite 
Change-Id: I2d09b2b83e1b50493ec88d0b2c323a83c0c86395
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/157647
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Jenkins
2023-10-07 00:47:20 +02:00

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/* -*- 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 bCalc = xService.is() && xService->supportsService("com.sun.star.sheet.SpreadsheetDocument");
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);
static constexpr OUStringLiteral sAsterisk(u"*"); // 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)
{
if (bCalc)
aBuff.append( ".uno:FormatCellDialog" );
else
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_" + 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_xStatusbarItem->setQuickHelpText(FwkResId(STR_LANGSTATUS_HINT));
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 );
m_xStatusbarItem->setQuickHelpText(FwkResId(STR_LANGSTATUS_HINT));
// 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_xStatusbarItem->setQuickHelpText(u""_ustr);
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: */
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