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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 <hyphen.hxx>
+
+#include <com/sun/star/linguistic2/XLinguProperties.hpp>
+
+#include <editeng/splwrap.hxx>
+#include <editeng/unolingu.hxx>
+#include <svtools/langtab.hxx>
+#include <sal/log.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <tools/debug.hxx>
+#include <utility>
+
+#define HYPH_POS_CHAR '='
+
+#define CUR_HYPH_POS_CHAR '-'
+
+using namespace css;
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, CursorChangeHdl_Impl, weld::Entry&, void)
+{
+ int nStart, nEnd;
+ m_xWordEdit->get_selection_bounds(nStart, nEnd);
+ if (nStart == m_nOldPos && nEnd == m_nOldPos + 1)
+ return;
+ bool bReSelect;
+ if (nStart <= m_nOldPos)
+ bReSelect = !SelLeft();
+ else
+ bReSelect = !SelRight();
+ if (bReSelect)
+ select_region(m_nOldPos, m_nOldPos + 1);
+}
+
+void SvxHyphenWordDialog::EnableLRBtn_Impl()
+{
+ const sal_Int32 nLen = m_aEditWord.getLength();
+
+ m_xRightBtn->set_sensitive(false);
+ for ( sal_Int32 i = m_nOldPos + 2; i < nLen; ++i )
+ {
+ if ( m_aEditWord[ i ] == sal_Unicode( HYPH_POS_CHAR ) )
+ {
+ m_xRightBtn->set_sensitive(true);
+ break;
+ }
+ }
+
+ DBG_ASSERT(m_nOldPos < nLen, "nOldPos out of range");
+ if (m_nOldPos >= nLen)
+ m_nOldPos = nLen - 1;
+ m_xLeftBtn->set_sensitive(false);
+ for ( sal_Int32 i = m_nOldPos; i-- > 0; )
+ {
+ if ( m_aEditWord[ i ] == sal_Unicode( HYPH_POS_CHAR ) )
+ {
+ m_xLeftBtn->set_sensitive(true);
+ break;
+ }
+ }
+}
+
+OUString SvxHyphenWordDialog::EraseUnusableHyphens_Impl()
+{
+ // returns a String showing only those hyphen positions which will result
+ // in a line break if hyphenation is done there
+ // 1) we will need to discard all hyphenation positions at the end that
+ // will not result in a line break where the text to the left still fits
+ // on the line.
+ // 2) since as from OOo 3.2 '-' are part of a word and thus text like
+ // 'multi-line-editor' is regarded as single word we also need to discard those
+ // hyphenation positions to the left of the rightmost '-' that is still left of
+ // the rightmost valid hyphenation position according to 1)
+
+ // Example:
+ // If the possible hyphenation position in 'multi-line-editor' are to be marked
+ // by '=' then the text will look like this: 'mul=ti-line-ed=it=or'.
+ // If now the first line is only large enough for 'multi-line-edi' we need to discard
+ // the last possible hyphenation point because of 1). The right most valid
+ // hyphenation position is "ed=itor". The first '-' left of this position is
+ // "line-ed", thus because of 2) we now need to discard all possible hyphenation
+ // positions to the left of that as well. Thus in the end leaving us with just
+ // 'multi-line-ed=itor' as return value for this function. (Just one valid hyphenation
+ // position for the user to choose from. However ALL the '-' characters in the word
+ // will ALWAYS be valid implicit hyphenation positions for the core to choose from!
+ // And thus even if this word is skipped in the hyphenation dialog it will still be broken
+ // right after 'multi-line-' (actually it might already be broken up that way before
+ // the hyphenation dialog is called!).
+ // Thus rule 2) just eliminates those positions which will not be used by the core at all
+ // even if the user were to select one of them.
+
+ OUString aTxt;
+ DBG_ASSERT(m_xPossHyph.is(), "missing possible hyphens");
+ if (m_xPossHyph.is())
+ {
+ DBG_ASSERT( m_aActWord == m_xPossHyph->getWord(), "word mismatch" );
+
+ aTxt = m_xPossHyph->getPossibleHyphens();
+
+ m_nHyphenationPositionsOffset = 0;
+ uno::Sequence< sal_Int16 > aHyphenationPositions(
+ m_xPossHyph->getHyphenationPositions() );
+ sal_Int32 nLen = aHyphenationPositions.getLength();
+ const sal_Int16 *pHyphenationPos = aHyphenationPositions.getConstArray();
+
+ // find position nIdx after which all hyphen positions are unusable
+ sal_Int32 nIdx = -1;
+ sal_Int32 nPos = 0, nPos1 = 0;
+ if (nLen)
+ {
+ sal_Int32 nStart = 0;
+ for (sal_Int32 i = 0; i < nLen; ++i)
+ {
+ if (pHyphenationPos[i] > m_nMaxHyphenationPos)
+ break;
+ else
+ {
+ // find corresponding hyphen positions in string
+ nPos = aTxt.indexOf( sal_Unicode( HYPH_POS_CHAR ), nStart );
+
+ if (nPos == -1)
+ break;
+ else
+ {
+ nIdx = nPos;
+ nStart = nPos + 1;
+ }
+ }
+ }
+ }
+ DBG_ASSERT(nIdx != -1, "no usable hyphenation position");
+
+ // 1) remove all not usable hyphenation positions from the end of the string
+ nPos = nIdx == -1 ? 0 : nIdx + 1;
+ nPos1 = nPos; //save for later use in 2) below
+ const OUString aTmp( sal_Unicode( HYPH_POS_CHAR ) );
+ while (nPos != -1)
+ {
+ nPos++;
+ aTxt = aTxt.replaceFirst( aTmp, "", &nPos);
+ }
+
+ // 2) remove all hyphenation positions from the start that are not considered by the core
+ const std::u16string_view aSearchRange( aTxt.subView( 0, nPos1 ) );
+ size_t nPos2 = aSearchRange.rfind( '-' ); // the '-' position the core will use by default
+ if (nPos2 != std::u16string_view::npos && nPos2 != 0)
+ {
+ OUString aLeft( aSearchRange.substr( 0, nPos2 ) );
+ nPos = 0;
+ while (nPos != -1)
+ {
+ nPos++;
+ aLeft = aLeft.replaceFirst( aTmp, "", &nPos );
+ if (nPos != -1)
+ ++m_nHyphenationPositionsOffset;
+ }
+ aTxt = aTxt.replaceAt( 0, nPos2, aLeft );
+ }
+ }
+ return aTxt;
+}
+
+void SvxHyphenWordDialog::InitControls_Impl()
+{
+ m_xPossHyph = nullptr;
+ if (m_xHyphenator.is())
+ {
+ lang::Locale aLocale( LanguageTag::convertToLocale(m_nActLanguage) );
+ m_xPossHyph = m_xHyphenator->createPossibleHyphens( m_aActWord, aLocale,
+ uno::Sequence< beans::PropertyValue >() );
+ if (m_xPossHyph.is())
+ m_aEditWord = EraseUnusableHyphens_Impl();
+ }
+ m_xWordEdit->set_text(m_aEditWord);
+
+ m_nOldPos = m_aEditWord.getLength();
+ SelLeft();
+ EnableLRBtn_Impl();
+}
+
+void SvxHyphenWordDialog::ContinueHyph_Impl( sal_Int32 nInsPos )
+{
+ if ( nInsPos >= 0 && m_xPossHyph.is() )
+ {
+ if (nInsPos)
+ {
+ DBG_ASSERT(nInsPos <= m_aEditWord.getLength() - 2, "wrong hyphen position");
+
+ sal_Int32 nIdxPos = -1;
+ for (sal_Int32 i = 0; i <= nInsPos; ++i)
+ {
+ if (HYPH_POS_CHAR == m_aEditWord[ i ])
+ nIdxPos++;
+ }
+ // take the possible hyphenation positions that got removed from the
+ // start of the word into account:
+ nIdxPos += m_nHyphenationPositionsOffset;
+
+ uno::Sequence< sal_Int16 > aSeq = m_xPossHyph->getHyphenationPositions();
+ sal_Int32 nLen = aSeq.getLength();
+ DBG_ASSERT(nLen, "empty sequence");
+ DBG_ASSERT(0 <= nIdxPos && nIdxPos < nLen, "index out of range");
+ if (nLen && 0 <= nIdxPos && nIdxPos < nLen)
+ {
+ nInsPos = aSeq.getConstArray()[ nIdxPos ];
+ m_pHyphWrapper->InsertHyphen( nInsPos );
+ }
+ }
+ else
+ {
+ //! calling with 0 as argument will remove hyphens!
+ m_pHyphWrapper->InsertHyphen( nInsPos );
+ }
+ }
+
+ if ( m_pHyphWrapper->FindSpellError() )
+ {
+ uno::Reference< linguistic2::XHyphenatedWord > xHyphWord( m_pHyphWrapper->GetLast(), uno::UNO_QUERY );
+
+ // adapt actual word and language to new found hyphenation result
+ if(xHyphWord.is())
+ {
+ m_aActWord = xHyphWord->getWord();
+ m_nActLanguage = LanguageTag( xHyphWord->getLocale() ).getLanguageType();
+ m_nMaxHyphenationPos = xHyphWord->getHyphenationPos();
+ InitControls_Impl();
+ SetWindowTitle( m_nActLanguage );
+ }
+ }
+ else
+ {
+ m_xCloseBtn->set_sensitive(false);
+ m_xDialog->response(RET_OK);
+ }
+}
+
+bool SvxHyphenWordDialog::SelLeft()
+{
+ bool bRet = false;
+ DBG_ASSERT( m_nOldPos > 0, "invalid hyphenation position" );
+ if (m_nOldPos > 0)
+ {
+ OUString aTxt( m_aEditWord );
+ for( sal_Int32 i = m_nOldPos - 1; i > 0; --i )
+ {
+ DBG_ASSERT(i <= aTxt.getLength(), "index out of range");
+ if (aTxt[ i ] == sal_Unicode( HYPH_POS_CHAR ))
+ {
+ aTxt = aTxt.replaceAt( i, 1, rtl::OUStringChar( CUR_HYPH_POS_CHAR ) );
+
+ m_nOldPos = i;
+ m_xWordEdit->set_text(aTxt);
+ select_region(i, i + 1);
+ m_xWordEdit->grab_focus();
+ bRet = true;
+ break;
+ }
+ }
+ EnableLRBtn_Impl();
+ }
+ return bRet;
+}
+
+bool SvxHyphenWordDialog::SelRight()
+{
+ bool bRet = false;
+ OUString aTxt( m_aEditWord );
+ for ( sal_Int32 i = m_nOldPos + 1; i < aTxt.getLength(); ++i )
+ {
+ if (aTxt[ i ] == sal_Unicode( HYPH_POS_CHAR ))
+ {
+ aTxt = aTxt.replaceAt( i, 1, rtl::OUStringChar( CUR_HYPH_POS_CHAR ) );
+
+ m_nOldPos = i;
+ m_xWordEdit->set_text(aTxt);
+ select_region(i, i + 1);
+ m_xWordEdit->grab_focus();
+ bRet = true;
+ break;
+ }
+ }
+ EnableLRBtn_Impl();
+ return bRet;
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, CutHdl_Impl, weld::Button&, void)
+{
+ if( !m_bBusy )
+ {
+ m_bBusy = true;
+ ContinueHyph_Impl( /*m_nHyphPos*/m_nOldPos );
+ m_bBusy = false;
+ }
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, HyphenateAllHdl_Impl, weld::Button&, void)
+{
+ if( m_bBusy )
+ return;
+
+ try
+ {
+ uno::Reference< linguistic2::XLinguProperties > xProp( LinguMgr::GetLinguPropertySet() );
+
+ xProp->setIsHyphAuto( true );
+
+ m_bBusy = true;
+ ContinueHyph_Impl( /*m_nHyphPos*/m_nOldPos );
+ m_bBusy = false;
+
+ xProp->setIsHyphAuto( false );
+ }
+ catch (uno::Exception &)
+ {
+ SAL_WARN( "cui.dialogs", "Hyphenate All failed" );
+ }
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, DeleteHdl_Impl, weld::Button&, void)
+{
+ if( !m_bBusy )
+ {
+ m_bBusy = true;
+ ContinueHyph_Impl( 0 );
+ m_bBusy = false;
+ }
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, ContinueHdl_Impl, weld::Button&, void)
+{
+ if( !m_bBusy )
+ {
+ m_bBusy = true;
+ ContinueHyph_Impl();
+ m_bBusy = false;
+ }
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, CancelHdl_Impl, weld::Button&, void)
+{
+ if( !m_bBusy )
+ {
+ m_bBusy = true;
+ m_xDialog->response(RET_CANCEL);
+ m_bBusy = false;
+ }
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, Left_Impl, weld::Button&, void)
+{
+ if( !m_bBusy )
+ {
+ m_bBusy = true;
+ SelLeft();
+ m_bBusy = false;
+ }
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, Right_Impl, weld::Button&, void)
+{
+ if( !m_bBusy )
+ {
+ m_bBusy = true;
+ SelRight();
+ m_bBusy = false;
+ }
+}
+
+void SvxHyphenWordDialog::select_region(int nStart, int nEnd)
+{
+ int nScrollPos = nStart + m_nWordEditWidth/2;
+ if (nScrollPos > m_aEditWord.getLength())
+ nScrollPos = m_aEditWord.getLength() - m_nWordEditWidth/2;
+ if (nScrollPos < 0)
+ nScrollPos = 0;
+ m_xWordEdit->set_position(nScrollPos);
+ m_xWordEdit->select_region(nStart, nEnd);
+}
+
+IMPL_LINK_NOARG(SvxHyphenWordDialog, GetFocusHdl_Impl, weld::Widget&, void)
+{
+ select_region(m_nOldPos, m_nOldPos + 1);
+}
+
+// class SvxHyphenWordDialog ---------------------------------------------
+
+SvxHyphenWordDialog::SvxHyphenWordDialog(
+ OUString aWord, LanguageType nLang,
+ weld::Widget* pParent,
+ uno::Reference< linguistic2::XHyphenator > const &xHyphen,
+ SvxSpellWrapper* pWrapper)
+ : SfxDialogController(pParent, "cui/ui/hyphenate.ui", "HyphenateDialog")
+ , m_pHyphWrapper(pWrapper)
+ , m_aActWord(std::move(aWord))
+ , m_nActLanguage(nLang)
+ , m_nMaxHyphenationPos(0)
+ , m_nOldPos(0)
+ , m_nHyphenationPositionsOffset(0)
+ , m_bBusy(false)
+ , m_xWordEdit(m_xBuilder->weld_entry("worded"))
+ , m_xLeftBtn(m_xBuilder->weld_button("left"))
+ , m_xRightBtn(m_xBuilder->weld_button("right"))
+ , m_xOkBtn(m_xBuilder->weld_button("ok"))
+ , m_xContBtn(m_xBuilder->weld_button("continue"))
+ , m_xDelBtn(m_xBuilder->weld_button("delete"))
+ , m_xHyphAll(m_xBuilder->weld_button("hyphall"))
+ , m_xCloseBtn(m_xBuilder->weld_button("close"))
+{
+ m_nWordEditWidth = m_xWordEdit->get_width_chars();
+ m_aLabel = m_xDialog->get_title();
+ m_xHyphenator = xHyphen;
+
+ uno::Reference< linguistic2::XHyphenatedWord > xHyphWord( m_pHyphWrapper ?
+ m_pHyphWrapper->GetLast() : nullptr, uno::UNO_QUERY );
+ DBG_ASSERT( xHyphWord.is(), "hyphenation result missing" );
+ if (xHyphWord.is())
+ {
+ DBG_ASSERT( m_aActWord == xHyphWord->getWord(), "word mismatch" );
+ DBG_ASSERT( m_nActLanguage == LanguageTag( xHyphWord->getLocale() ).getLanguageType(), "language mismatch" );
+ m_nMaxHyphenationPos = xHyphWord->getHyphenationPos();
+ }
+
+ InitControls_Impl();
+ m_xWordEdit->grab_focus();
+
+ m_xLeftBtn->connect_clicked( LINK( this, SvxHyphenWordDialog, Left_Impl ) );
+ m_xRightBtn->connect_clicked( LINK( this, SvxHyphenWordDialog, Right_Impl ) );
+ m_xOkBtn->connect_clicked( LINK( this, SvxHyphenWordDialog, CutHdl_Impl ) );
+ m_xContBtn->connect_clicked( LINK( this, SvxHyphenWordDialog, ContinueHdl_Impl ) );
+ m_xDelBtn->connect_clicked( LINK( this, SvxHyphenWordDialog, DeleteHdl_Impl ) );
+ m_xHyphAll->connect_clicked( LINK( this, SvxHyphenWordDialog, HyphenateAllHdl_Impl ) );
+ m_xCloseBtn->connect_clicked( LINK( this, SvxHyphenWordDialog, CancelHdl_Impl ) );
+ m_xWordEdit->connect_focus_in( LINK( this, SvxHyphenWordDialog, GetFocusHdl_Impl ) );
+ m_xWordEdit->connect_cursor_position( LINK( this, SvxHyphenWordDialog, CursorChangeHdl_Impl ) );
+
+ SetWindowTitle( nLang );
+
+ // disable controls if service is not available
+ if (!m_xHyphenator.is())
+ m_xDialog->set_sensitive(false);
+}
+
+SvxHyphenWordDialog::~SvxHyphenWordDialog()
+{
+ if (m_xCloseBtn->get_sensitive())
+ m_pHyphWrapper->SpellEnd();
+}
+
+void SvxHyphenWordDialog::SetWindowTitle(LanguageType nLang)
+{
+ m_xDialog->set_title(m_aLabel + " (" + SvtLanguageTable::GetLanguageString(nLang) + ")");
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 04:10:54 +0000