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Diffstat (limited to '')
| -rw-r--r-- | vcl/source/edit/textview.cxx | 2237 |
1 files changed, 2237 insertions, 0 deletions
diff --git a/vcl/source/edit/textview.cxx b/vcl/source/edit/textview.cxx new file mode 100644 index 000000000..ef83beab4 --- /dev/null +++ b/vcl/source/edit/textview.cxx @@ -0,0 +1,2237 @@ +/* -*- 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 <memory> +#include <i18nutil/searchopt.hxx> +#include <o3tl/deleter.hxx> +#include <vcl/textview.hxx> +#include <vcl/texteng.hxx> +#include <vcl/settings.hxx> +#include "textdoc.hxx" +#include <vcl/textdata.hxx> +#include <vcl/transfer.hxx> +#include <vcl/xtextedt.hxx> +#include "textdat2.hxx" +#include <vcl/commandevent.hxx> +#include <vcl/inputctx.hxx> + +#include <svl/undo.hxx> +#include <vcl/cursor.hxx> +#include <vcl/weld.hxx> +#include <vcl/window.hxx> +#include <vcl/svapp.hxx> +#include <tools/stream.hxx> + +#include <sal/log.hxx> +#include <sot/formats.hxx> + +#include <cppuhelper/weak.hxx> +#include <cppuhelper/queryinterface.hxx> +#include <com/sun/star/i18n/XBreakIterator.hpp> +#include <com/sun/star/i18n/CharacterIteratorMode.hpp> +#include <com/sun/star/i18n/WordType.hpp> +#include <com/sun/star/datatransfer/UnsupportedFlavorException.hpp> +#include <com/sun/star/datatransfer/XTransferable.hpp> +#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp> +#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp> +#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp> +#include <com/sun/star/datatransfer/dnd/XDragGestureRecognizer.hpp> +#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp> +#include <com/sun/star/util/SearchFlags.hpp> + +#include <vcl/toolkit/edit.hxx> + +#include <sot/exchange.hxx> + +#include <algorithm> +#include <cstddef> + +TETextDataObject::TETextDataObject( const OUString& rText ) : maText( rText ) +{ +} + +// css::uno::XInterface +css::uno::Any TETextDataObject::queryInterface( const css::uno::Type & rType ) +{ + css::uno::Any aRet = ::cppu::queryInterface( rType, static_cast< css::datatransfer::XTransferable* >(this) ); + return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType )); +} + +// css::datatransfer::XTransferable +css::uno::Any TETextDataObject::getTransferData( const css::datatransfer::DataFlavor& rFlavor ) +{ + css::uno::Any aAny; + + SotClipboardFormatId nT = SotExchange::GetFormat( rFlavor ); + if ( nT == SotClipboardFormatId::STRING ) + { + aAny <<= maText; + } + else if ( nT == SotClipboardFormatId::HTML ) + { + sal_uInt64 nLen = GetHTMLStream().TellEnd(); + GetHTMLStream().Seek(0); + + css::uno::Sequence< sal_Int8 > aSeq( nLen ); + memcpy( aSeq.getArray(), GetHTMLStream().GetData(), nLen ); + aAny <<= aSeq; + } + else + { + throw css::datatransfer::UnsupportedFlavorException(); + } + return aAny; +} + +css::uno::Sequence< css::datatransfer::DataFlavor > TETextDataObject::getTransferDataFlavors( ) +{ + GetHTMLStream().Seek( STREAM_SEEK_TO_END ); + bool bHTML = GetHTMLStream().Tell() > 0; + css::uno::Sequence< css::datatransfer::DataFlavor > aDataFlavors( bHTML ? 2 : 1 ); + SotExchange::GetFormatDataFlavor( SotClipboardFormatId::STRING, aDataFlavors.getArray()[0] ); + if ( bHTML ) + SotExchange::GetFormatDataFlavor( SotClipboardFormatId::HTML, aDataFlavors.getArray()[1] ); + return aDataFlavors; +} + +sal_Bool TETextDataObject::isDataFlavorSupported( const css::datatransfer::DataFlavor& rFlavor ) +{ + SotClipboardFormatId nT = SotExchange::GetFormat( rFlavor ); + return ( nT == SotClipboardFormatId::STRING ); +} + +struct ImpTextView +{ + ExtTextEngine* mpTextEngine; + + VclPtr<vcl::Window> mpWindow; + TextSelection maSelection; + Point maStartDocPos; + + std::unique_ptr<vcl::Cursor, o3tl::default_delete<vcl::Cursor>> mpCursor; + + std::unique_ptr<TextDDInfo, o3tl::default_delete<TextDDInfo>> mpDDInfo; + + std::unique_ptr<SelectionEngine> mpSelEngine; + std::unique_ptr<TextSelFunctionSet> mpSelFuncSet; + + css::uno::Reference< css::datatransfer::dnd::XDragSourceListener > mxDnDListener; + + sal_uInt16 mnTravelXPos; + + bool mbAutoScroll : 1; + bool mbInsertMode : 1; + bool mbReadOnly : 1; + bool mbPaintSelection : 1; + bool mbAutoIndent : 1; + bool mbCursorEnabled : 1; + bool mbClickedInSelection : 1; + bool mbCursorAtEndOfLine; +}; + +TextView::TextView( ExtTextEngine* pEng, vcl::Window* pWindow ) : + mpImpl(new ImpTextView) +{ + pWindow->EnableRTL( false ); + + mpImpl->mpWindow = pWindow; + mpImpl->mpTextEngine = pEng; + + mpImpl->mbPaintSelection = true; + mpImpl->mbAutoScroll = true; + mpImpl->mbInsertMode = true; + mpImpl->mbReadOnly = false; + mpImpl->mbAutoIndent = false; + mpImpl->mbCursorEnabled = true; + mpImpl->mbClickedInSelection = false; +// mbInSelection = false; + + mpImpl->mnTravelXPos = TRAVEL_X_DONTKNOW; + + mpImpl->mpSelFuncSet = std::make_unique<TextSelFunctionSet>( this ); + mpImpl->mpSelEngine = std::make_unique<SelectionEngine>( mpImpl->mpWindow, mpImpl->mpSelFuncSet.get() ); + mpImpl->mpSelEngine->SetSelectionMode( SelectionMode::Range ); + mpImpl->mpSelEngine->EnableDrag( true ); + + mpImpl->mpCursor.reset(new vcl::Cursor); + mpImpl->mpCursor->Show(); + pWindow->SetCursor( mpImpl->mpCursor.get() ); + pWindow->SetInputContext( InputContext( pEng->GetFont(), InputContextFlags::Text|InputContextFlags::ExtText ) ); + + pWindow->GetOutDev()->SetLineColor(); + + if ( pWindow->GetDragGestureRecognizer().is() ) + { + mpImpl->mxDnDListener = new vcl::unohelper::DragAndDropWrapper( this ); + + css::uno::Reference< css::datatransfer::dnd::XDragGestureListener> xDGL( mpImpl->mxDnDListener, css::uno::UNO_QUERY ); + pWindow->GetDragGestureRecognizer()->addDragGestureListener( xDGL ); + css::uno::Reference< css::datatransfer::dnd::XDropTargetListener> xDTL( xDGL, css::uno::UNO_QUERY ); + pWindow->GetDropTarget()->addDropTargetListener( xDTL ); + pWindow->GetDropTarget()->setActive( true ); + pWindow->GetDropTarget()->setDefaultActions( css::datatransfer::dnd::DNDConstants::ACTION_COPY_OR_MOVE ); + } +} + +TextView::~TextView() +{ + mpImpl->mpSelEngine.reset(); + mpImpl->mpSelFuncSet.reset(); + + if ( mpImpl->mpWindow->GetCursor() == mpImpl->mpCursor.get() ) + mpImpl->mpWindow->SetCursor( nullptr ); + + mpImpl->mpCursor.reset(); + mpImpl->mpDDInfo.reset(); +} + +void TextView::Invalidate() +{ + mpImpl->mpWindow->Invalidate(); +} + +void TextView::SetSelection( const TextSelection& rTextSel, bool bGotoCursor ) +{ + // if someone left an empty attribute and then the Outliner manipulated the selection + if ( !mpImpl->maSelection.HasRange() ) + mpImpl->mpTextEngine->CursorMoved( mpImpl->maSelection.GetStart().GetPara() ); + + // if the selection is manipulated after a KeyInput + mpImpl->mpTextEngine->CheckIdleFormatter(); + + HideSelection(); + TextSelection aNewSel( rTextSel ); + mpImpl->mpTextEngine->ValidateSelection( aNewSel ); + ImpSetSelection( aNewSel ); + ShowSelection(); + ShowCursor( bGotoCursor ); +} + +void TextView::SetSelection( const TextSelection& rTextSel ) +{ + SetSelection( rTextSel, mpImpl->mbAutoScroll ); +} + +const TextSelection& TextView::GetSelection() const +{ + return mpImpl->maSelection; +} +TextSelection& TextView::GetSelection() +{ + return mpImpl->maSelection; +} + +void TextView::DeleteSelected() +{ +// HideSelection(); + + mpImpl->mpTextEngine->UndoActionStart(); + TextPaM aPaM = mpImpl->mpTextEngine->ImpDeleteText( mpImpl->maSelection ); + mpImpl->mpTextEngine->UndoActionEnd(); + + ImpSetSelection( aPaM ); + mpImpl->mpTextEngine->FormatAndUpdate( this ); + ShowCursor(); +} + +void TextView::ImpPaint(vcl::RenderContext& rRenderContext, const Point& rStartPos, tools::Rectangle const* pPaintArea, TextSelection const* pSelection) +{ + if (!mpImpl->mbPaintSelection) + { + pSelection = nullptr; + } + else + { + // set correct background color; + // unfortunately we cannot detect if it has changed + vcl::Font aFont = mpImpl->mpTextEngine->GetFont(); + Color aColor = rRenderContext.GetBackground().GetColor(); + aColor.SetAlpha(255); + if (aColor != aFont.GetFillColor()) + { + if (aFont.IsTransparent()) + aColor = COL_TRANSPARENT; + aFont.SetFillColor(aColor); + mpImpl->mpTextEngine->maFont = aFont; + } + } + + mpImpl->mpTextEngine->ImpPaint(&rRenderContext, rStartPos, pPaintArea, pSelection); +} + +void TextView::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) +{ + ImpPaint(rRenderContext, rRect); +} + +void TextView::ImpPaint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) +{ + if ( !mpImpl->mpTextEngine->GetUpdateMode() || mpImpl->mpTextEngine->IsInUndo() ) + return; + + TextSelection *pDrawSelection = nullptr; + if (mpImpl->maSelection.HasRange()) + pDrawSelection = &mpImpl->maSelection; + + Point aStartPos = ImpGetOutputStartPos(mpImpl->maStartDocPos); + ImpPaint(rRenderContext, aStartPos, &rRect, pDrawSelection); +} + +void TextView::ImpSetSelection( const TextSelection& rSelection ) +{ + if (rSelection == mpImpl->maSelection) + return; + + bool bCaret = false, bSelection = false; + const TextPaM &rEnd = rSelection.GetEnd(); + const TextPaM &rOldEnd = mpImpl->maSelection.GetEnd(); + bool bGap = rSelection.HasRange(), bOldGap = mpImpl->maSelection.HasRange(); + if (rEnd != rOldEnd) + bCaret = true; + if (bGap || bOldGap) + bSelection = true; + + mpImpl->maSelection = rSelection; + + if (bSelection) + mpImpl->mpTextEngine->Broadcast(TextHint(SfxHintId::TextViewSelectionChanged)); + + if (bCaret) + mpImpl->mpTextEngine->Broadcast(TextHint(SfxHintId::TextViewCaretChanged)); +} + +void TextView::ShowSelection() +{ + ImpShowHideSelection(); +} + +void TextView::HideSelection() +{ + ImpShowHideSelection(); +} + +void TextView::ShowSelection( const TextSelection& rRange ) +{ + ImpShowHideSelection( &rRange ); +} + +void TextView::ImpShowHideSelection(const TextSelection* pRange) +{ + const TextSelection* pRangeOrSelection = pRange ? pRange : &mpImpl->maSelection; + + if ( !pRangeOrSelection->HasRange() ) + return; + + if( mpImpl->mpWindow->IsPaintTransparent() ) + mpImpl->mpWindow->Invalidate(); + else + { + TextSelection aRange( *pRangeOrSelection ); + aRange.Justify(); + bool bVisCursor = mpImpl->mpCursor->IsVisible(); + mpImpl->mpCursor->Hide(); + Invalidate(); + if (bVisCursor) + mpImpl->mpCursor->Show(); + } +} + +bool TextView::KeyInput( const KeyEvent& rKeyEvent ) +{ + bool bDone = true; + bool bModified = false; + bool bMoved = false; + bool bEndKey = false; // special CursorPosition + bool bAllowIdle = true; + + // check mModified; + // the local bModified is not set e.g. by Cut/Paste, as here + // the update happens somewhere else + bool bWasModified = mpImpl->mpTextEngine->IsModified(); + mpImpl->mpTextEngine->SetModified( false ); + + TextSelection aCurSel( mpImpl->maSelection ); + TextSelection aOldSel( aCurSel ); + + sal_uInt16 nCode = rKeyEvent.GetKeyCode().GetCode(); + KeyFuncType eFunc = rKeyEvent.GetKeyCode().GetFunction(); + if ( eFunc != KeyFuncType::DONTKNOW ) + { + switch ( eFunc ) + { + case KeyFuncType::CUT: + { + if ( !mpImpl->mbReadOnly ) + Cut(); + } + break; + case KeyFuncType::COPY: + { + Copy(); + } + break; + case KeyFuncType::PASTE: + { + if ( !mpImpl->mbReadOnly ) + Paste(); + } + break; + case KeyFuncType::UNDO: + { + if ( !mpImpl->mbReadOnly ) + Undo(); + } + break; + case KeyFuncType::REDO: + { + if ( !mpImpl->mbReadOnly ) + Redo(); + } + break; + + default: // might get processed below + eFunc = KeyFuncType::DONTKNOW; + } + } + if ( eFunc == KeyFuncType::DONTKNOW ) + { + switch ( nCode ) + { + case KEY_UP: + case KEY_DOWN: + case KEY_LEFT: + case KEY_RIGHT: + case KEY_HOME: + case KEY_END: + case KEY_PAGEUP: + case KEY_PAGEDOWN: + case css::awt::Key::MOVE_WORD_FORWARD: + case css::awt::Key::SELECT_WORD_FORWARD: + case css::awt::Key::MOVE_WORD_BACKWARD: + case css::awt::Key::SELECT_WORD_BACKWARD: + case css::awt::Key::MOVE_TO_BEGIN_OF_LINE: + case css::awt::Key::MOVE_TO_END_OF_LINE: + case css::awt::Key::SELECT_TO_BEGIN_OF_LINE: + case css::awt::Key::SELECT_TO_END_OF_LINE: + case css::awt::Key::MOVE_TO_BEGIN_OF_PARAGRAPH: + case css::awt::Key::MOVE_TO_END_OF_PARAGRAPH: + case css::awt::Key::SELECT_TO_BEGIN_OF_PARAGRAPH: + case css::awt::Key::SELECT_TO_END_OF_PARAGRAPH: + case css::awt::Key::MOVE_TO_BEGIN_OF_DOCUMENT: + case css::awt::Key::MOVE_TO_END_OF_DOCUMENT: + case css::awt::Key::SELECT_TO_BEGIN_OF_DOCUMENT: + case css::awt::Key::SELECT_TO_END_OF_DOCUMENT: + { + if ( ( !rKeyEvent.GetKeyCode().IsMod2() || ( nCode == KEY_LEFT ) || ( nCode == KEY_RIGHT ) ) + && !( rKeyEvent.GetKeyCode().IsMod1() && ( nCode == KEY_PAGEUP || nCode == KEY_PAGEDOWN ) ) ) + { + aCurSel = ImpMoveCursor( rKeyEvent ); + if ( aCurSel.HasRange() ) { + css::uno::Reference<css::datatransfer::clipboard::XClipboard> aSelection(GetSystemPrimarySelection()); + Copy( aSelection ); + } + bMoved = true; + if ( nCode == KEY_END ) + bEndKey = true; + } + else + bDone = false; + } + break; + case KEY_BACKSPACE: + case KEY_DELETE: + case css::awt::Key::DELETE_WORD_BACKWARD: + case css::awt::Key::DELETE_WORD_FORWARD: + case css::awt::Key::DELETE_TO_BEGIN_OF_LINE: + case css::awt::Key::DELETE_TO_END_OF_LINE: + { + if ( !mpImpl->mbReadOnly && !rKeyEvent.GetKeyCode().IsMod2() ) + { + sal_uInt8 nDel = ( nCode == KEY_DELETE ) ? DEL_RIGHT : DEL_LEFT; + sal_uInt8 nMode = rKeyEvent.GetKeyCode().IsMod1() ? DELMODE_RESTOFWORD : DELMODE_SIMPLE; + if ( ( nMode == DELMODE_RESTOFWORD ) && rKeyEvent.GetKeyCode().IsShift() ) + nMode = DELMODE_RESTOFCONTENT; + + switch( nCode ) + { + case css::awt::Key::DELETE_WORD_BACKWARD: + nDel = DEL_LEFT; + nMode = DELMODE_RESTOFWORD; + break; + case css::awt::Key::DELETE_WORD_FORWARD: + nDel = DEL_RIGHT; + nMode = DELMODE_RESTOFWORD; + break; + case css::awt::Key::DELETE_TO_BEGIN_OF_LINE: + nDel = DEL_LEFT; + nMode = DELMODE_RESTOFCONTENT; + break; + case css::awt::Key::DELETE_TO_END_OF_LINE: + nDel = DEL_RIGHT; + nMode = DELMODE_RESTOFCONTENT; + break; + default: break; + } + + mpImpl->mpTextEngine->UndoActionStart(); + aCurSel = ImpDelete( nDel, nMode ); + mpImpl->mpTextEngine->UndoActionEnd(); + bModified = true; + bAllowIdle = false; + } + else + bDone = false; + } + break; + case KEY_TAB: + { + if ( !mpImpl->mbReadOnly && !rKeyEvent.GetKeyCode().IsShift() && + !rKeyEvent.GetKeyCode().IsMod1() && !rKeyEvent.GetKeyCode().IsMod2() && + ImplCheckTextLen( OUString('x') ) ) + { + aCurSel = mpImpl->mpTextEngine->ImpInsertText( aCurSel, '\t', !IsInsertMode() ); + bModified = true; + } + else + bDone = false; + } + break; + case KEY_RETURN: + { + // do not swallow Shift-RETURN, as this would disable multi-line entries + // in dialogs & property editors + if ( !mpImpl->mbReadOnly && !rKeyEvent.GetKeyCode().IsMod1() && + !rKeyEvent.GetKeyCode().IsMod2() && ImplCheckTextLen( OUString('x') ) ) + { + mpImpl->mpTextEngine->UndoActionStart(); + aCurSel = mpImpl->mpTextEngine->ImpInsertParaBreak( aCurSel ); + if ( mpImpl->mbAutoIndent ) + { + TextNode* pPrev = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aCurSel.GetEnd().GetPara() - 1 ].get(); + sal_Int32 n = 0; + while ( ( n < pPrev->GetText().getLength() ) && ( + ( pPrev->GetText()[ n ] == ' ' ) || + ( pPrev->GetText()[ n ] == '\t' ) ) ) + { + n++; + } + if ( n ) + aCurSel = mpImpl->mpTextEngine->ImpInsertText( aCurSel, pPrev->GetText().copy( 0, n ) ); + } + mpImpl->mpTextEngine->UndoActionEnd(); + bModified = true; + } + else + bDone = false; + } + break; + case KEY_INSERT: + { + if ( !mpImpl->mbReadOnly ) + SetInsertMode( !IsInsertMode() ); + } + break; + default: + { + if ( TextEngine::IsSimpleCharInput( rKeyEvent ) ) + { + sal_Unicode nCharCode = rKeyEvent.GetCharCode(); + if ( !mpImpl->mbReadOnly && ImplCheckTextLen( OUString(nCharCode) ) ) // otherwise swallow the character anyway + { + aCurSel = mpImpl->mpTextEngine->ImpInsertText( nCharCode, aCurSel, !IsInsertMode(), true ); + bModified = true; + } + } + else + bDone = false; + } + } + } + + if ( aCurSel != aOldSel ) // Check if changed, maybe other method already changed mpImpl->maSelection, don't overwrite that! + ImpSetSelection( aCurSel ); + + if ( ( nCode != KEY_UP ) && ( nCode != KEY_DOWN ) ) + mpImpl->mnTravelXPos = TRAVEL_X_DONTKNOW; + + if ( bModified ) + { + // Idle-Formatter only if AnyInput + if ( bAllowIdle && Application::AnyInput( VclInputFlags::KEYBOARD) ) + mpImpl->mpTextEngine->IdleFormatAndUpdate( this ); + else + mpImpl->mpTextEngine->FormatAndUpdate( this); + } + else if ( bMoved ) + { + // selection is painted now in ImpMoveCursor + ImpShowCursor( mpImpl->mbAutoScroll, true, bEndKey ); + } + + if ( mpImpl->mpTextEngine->IsModified() ) + mpImpl->mpTextEngine->Broadcast( TextHint( SfxHintId::TextModified ) ); + else if ( bWasModified ) + mpImpl->mpTextEngine->SetModified( true ); + + return bDone; +} + +void TextView::MouseButtonUp( const MouseEvent& rMouseEvent ) +{ + mpImpl->mbClickedInSelection = false; + mpImpl->mnTravelXPos = TRAVEL_X_DONTKNOW; + mpImpl->mpSelEngine->SelMouseButtonUp( rMouseEvent ); + if ( rMouseEvent.IsMiddle() && !IsReadOnly() && + ( GetWindow()->GetSettings().GetMouseSettings().GetMiddleButtonAction() == MouseMiddleButtonAction::PasteSelection ) ) + { + css::uno::Reference<css::datatransfer::clipboard::XClipboard> aSelection(GetSystemPrimarySelection()); + Paste( aSelection ); + if ( mpImpl->mpTextEngine->IsModified() ) + mpImpl->mpTextEngine->Broadcast( TextHint( SfxHintId::TextModified ) ); + } + else if ( rMouseEvent.IsLeft() && GetSelection().HasRange() ) + { + css::uno::Reference<css::datatransfer::clipboard::XClipboard> aSelection(GetSystemPrimarySelection()); + Copy( aSelection ); + } +} + +void TextView::MouseButtonDown( const MouseEvent& rMouseEvent ) +{ + mpImpl->mpTextEngine->CheckIdleFormatter(); // for fast typing and MouseButtonDown + mpImpl->mnTravelXPos = TRAVEL_X_DONTKNOW; + mpImpl->mbClickedInSelection = IsSelectionAtPoint( rMouseEvent.GetPosPixel() ); + + mpImpl->mpTextEngine->SetActiveView( this ); + + mpImpl->mpSelEngine->SelMouseButtonDown( rMouseEvent ); + + // mbu 20.01.2005 - SelMouseButtonDown() possibly triggers a 'selection changed' + // notification. The appropriate handler could change the current selection, + // which is the case in the MailMerge address block control. To enable select'n'drag + // we need to reevaluate the selection after the notification has been fired. + mpImpl->mbClickedInSelection = IsSelectionAtPoint( rMouseEvent.GetPosPixel() ); + + // special cases + if ( rMouseEvent.IsShift() || ( rMouseEvent.GetClicks() < 2 )) + return; + + if ( rMouseEvent.IsMod2() ) + { + HideSelection(); + ImpSetSelection( mpImpl->maSelection.GetEnd() ); + SetCursorAtPoint( rMouseEvent.GetPosPixel() ); // not set by SelectionEngine for MOD2 + } + + if ( rMouseEvent.GetClicks() == 2 ) + { + // select word + if ( mpImpl->maSelection.GetEnd().GetIndex() < mpImpl->mpTextEngine->GetTextLen( mpImpl->maSelection.GetEnd().GetPara() ) ) + { + HideSelection(); + // tdf#57879 - expand selection to include connector punctuations + TextSelection aNewSel; + mpImpl->mpTextEngine->GetWord( mpImpl->maSelection.GetEnd(), &aNewSel.GetStart(), &aNewSel.GetEnd() ); + ImpSetSelection( aNewSel ); + ShowSelection(); + ShowCursor(); + } + } + else if ( rMouseEvent.GetClicks() == 3 ) + { + // select paragraph + if ( mpImpl->maSelection.GetStart().GetIndex() || ( mpImpl->maSelection.GetEnd().GetIndex() < mpImpl->mpTextEngine->GetTextLen( mpImpl->maSelection.GetEnd().GetPara() ) ) ) + { + HideSelection(); + TextSelection aNewSel( mpImpl->maSelection ); + aNewSel.GetStart().GetIndex() = 0; + aNewSel.GetEnd().GetIndex() = mpImpl->mpTextEngine->mpDoc->GetNodes()[ mpImpl->maSelection.GetEnd().GetPara() ]->GetText().getLength(); + ImpSetSelection( aNewSel ); + ShowSelection(); + ShowCursor(); + } + } +} + +void TextView::MouseMove( const MouseEvent& rMouseEvent ) +{ + mpImpl->mnTravelXPos = TRAVEL_X_DONTKNOW; + mpImpl->mpSelEngine->SelMouseMove( rMouseEvent ); +} + +void TextView::Command( const CommandEvent& rCEvt ) +{ + mpImpl->mpTextEngine->CheckIdleFormatter(); // for fast typing and MouseButtonDown + mpImpl->mpTextEngine->SetActiveView( this ); + + if ( rCEvt.GetCommand() == CommandEventId::StartExtTextInput ) + { + DeleteSelected(); + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ GetSelection().GetEnd().GetPara() ].get(); + mpImpl->mpTextEngine->mpIMEInfos = std::make_unique<TEIMEInfos>( GetSelection().GetEnd(), pNode->GetText().copy( GetSelection().GetEnd().GetIndex() ) ); + mpImpl->mpTextEngine->mpIMEInfos->bWasCursorOverwrite = !IsInsertMode(); + } + else if ( rCEvt.GetCommand() == CommandEventId::EndExtTextInput ) + { + SAL_WARN_IF( !mpImpl->mpTextEngine->mpIMEInfos, "vcl", "CommandEventId::EndExtTextInput => No Start ?" ); + if( mpImpl->mpTextEngine->mpIMEInfos ) + { + TEParaPortion* pPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetPara() ); + pPortion->MarkSelectionInvalid( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex() ); + + bool bInsertMode = !mpImpl->mpTextEngine->mpIMEInfos->bWasCursorOverwrite; + + mpImpl->mpTextEngine->mpIMEInfos.reset(); + + mpImpl->mpTextEngine->TextModified(); + mpImpl->mpTextEngine->FormatAndUpdate( this ); + + SetInsertMode( bInsertMode ); + + if ( mpImpl->mpTextEngine->IsModified() ) + mpImpl->mpTextEngine->Broadcast( TextHint( SfxHintId::TextModified ) ); + } + } + else if ( rCEvt.GetCommand() == CommandEventId::ExtTextInput ) + { + SAL_WARN_IF( !mpImpl->mpTextEngine->mpIMEInfos, "vcl", "CommandEventId::ExtTextInput => No Start ?" ); + if( mpImpl->mpTextEngine->mpIMEInfos ) + { + const CommandExtTextInputData* pData = rCEvt.GetExtTextInputData(); + + if ( !pData->IsOnlyCursorChanged() ) + { + TextSelection aSelect( mpImpl->mpTextEngine->mpIMEInfos->aPos ); + aSelect.GetEnd().GetIndex() += mpImpl->mpTextEngine->mpIMEInfos->nLen; + aSelect = mpImpl->mpTextEngine->ImpDeleteText( aSelect ); + aSelect = mpImpl->mpTextEngine->ImpInsertText( aSelect, pData->GetText() ); + + if ( mpImpl->mpTextEngine->mpIMEInfos->bWasCursorOverwrite ) + { + const sal_Int32 nOldIMETextLen = mpImpl->mpTextEngine->mpIMEInfos->nLen; + const sal_Int32 nNewIMETextLen = pData->GetText().getLength(); + + if ( ( nOldIMETextLen > nNewIMETextLen ) && + ( nNewIMETextLen < mpImpl->mpTextEngine->mpIMEInfos->aOldTextAfterStartPos.getLength() ) ) + { + // restore old characters + sal_Int32 nRestore = nOldIMETextLen - nNewIMETextLen; + TextPaM aPaM( mpImpl->mpTextEngine->mpIMEInfos->aPos ); + aPaM.GetIndex() += nNewIMETextLen; + mpImpl->mpTextEngine->ImpInsertText( aPaM, mpImpl->mpTextEngine->mpIMEInfos->aOldTextAfterStartPos.copy( nNewIMETextLen, nRestore ) ); + } + else if ( ( nOldIMETextLen < nNewIMETextLen ) && + ( nOldIMETextLen < mpImpl->mpTextEngine->mpIMEInfos->aOldTextAfterStartPos.getLength() ) ) + { + // overwrite + const sal_Int32 nOverwrite = std::min( nNewIMETextLen, mpImpl->mpTextEngine->mpIMEInfos->aOldTextAfterStartPos.getLength() ) - nOldIMETextLen; + SAL_WARN_IF( !nOverwrite || (nOverwrite >= 0xFF00), "vcl", "IME Overwrite?!" ); + TextPaM aPaM( mpImpl->mpTextEngine->mpIMEInfos->aPos ); + aPaM.GetIndex() += nNewIMETextLen; + TextSelection aSel( aPaM ); + aSel.GetEnd().GetIndex() += nOverwrite; + mpImpl->mpTextEngine->ImpDeleteText( aSel ); + } + } + + if ( pData->GetTextAttr() ) + { + mpImpl->mpTextEngine->mpIMEInfos->CopyAttribs( pData->GetTextAttr(), pData->GetText().getLength() ); + } + else + { + mpImpl->mpTextEngine->mpIMEInfos->DestroyAttribs(); + } + + TEParaPortion* pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetPara() ); + pPPortion->MarkSelectionInvalid( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex() ); + mpImpl->mpTextEngine->FormatAndUpdate( this ); + } + + TextSelection aNewSel = TextPaM( mpImpl->mpTextEngine->mpIMEInfos->aPos.GetPara(), mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex()+pData->GetCursorPos() ); + SetSelection( aNewSel ); + SetInsertMode( !pData->IsCursorOverwrite() ); + + if ( pData->IsCursorVisible() ) + ShowCursor(); + else + HideCursor(); + } + } + else if ( rCEvt.GetCommand() == CommandEventId::CursorPos ) + { + if ( mpImpl->mpTextEngine->mpIMEInfos && mpImpl->mpTextEngine->mpIMEInfos->nLen ) + { + TextPaM aPaM( GetSelection().GetEnd() ); + tools::Rectangle aR1 = mpImpl->mpTextEngine->PaMtoEditCursor( aPaM ); + + sal_Int32 nInputEnd = mpImpl->mpTextEngine->mpIMEInfos->aPos.GetIndex() + mpImpl->mpTextEngine->mpIMEInfos->nLen; + + if ( !mpImpl->mpTextEngine->IsFormatted() ) + mpImpl->mpTextEngine->FormatDoc(); + + TEParaPortion* pParaPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( aPaM.GetPara() ); + std::vector<TextLine>::size_type nLine = pParaPortion->GetLineNumber( aPaM.GetIndex(), true ); + TextLine& rLine = pParaPortion->GetLines()[ nLine ]; + if ( nInputEnd > rLine.GetEnd() ) + nInputEnd = rLine.GetEnd(); + tools::Rectangle aR2 = mpImpl->mpTextEngine->PaMtoEditCursor( TextPaM( aPaM.GetPara(), nInputEnd ) ); + + tools::Long nWidth = aR2.Left()-aR1.Right(); + aR1.Move( -GetStartDocPos().X(), -GetStartDocPos().Y() ); + GetWindow()->SetCursorRect( &aR1, nWidth ); + } + else + { + GetWindow()->SetCursorRect(); + } + } + else + { + mpImpl->mpSelEngine->Command( rCEvt ); + } +} + +void TextView::ShowCursor( bool bGotoCursor, bool bForceVisCursor ) +{ + // this setting has more weight + if ( !mpImpl->mbAutoScroll ) + bGotoCursor = false; + ImpShowCursor( bGotoCursor, bForceVisCursor, false ); +} + +void TextView::HideCursor() +{ + mpImpl->mpCursor->Hide(); +} + +void TextView::Scroll( tools::Long ndX, tools::Long ndY ) +{ + SAL_WARN_IF( !mpImpl->mpTextEngine->IsFormatted(), "vcl", "Scroll: Not formatted!" ); + + if ( !ndX && !ndY ) + return; + + Point aNewStartPos( mpImpl->maStartDocPos ); + + // Vertical: + aNewStartPos.AdjustY( -ndY ); + if ( aNewStartPos.Y() < 0 ) + aNewStartPos.setY( 0 ); + + // Horizontal: + aNewStartPos.AdjustX( -ndX ); + if ( aNewStartPos.X() < 0 ) + aNewStartPos.setX( 0 ); + + tools::Long nDiffX = mpImpl->maStartDocPos.X() - aNewStartPos.X(); + tools::Long nDiffY = mpImpl->maStartDocPos.Y() - aNewStartPos.Y(); + + if ( nDiffX || nDiffY ) + { + bool bVisCursor = mpImpl->mpCursor->IsVisible(); + mpImpl->mpCursor->Hide(); + mpImpl->mpWindow->PaintImmediately(); + mpImpl->maStartDocPos = aNewStartPos; + + if ( mpImpl->mpTextEngine->IsRightToLeft() ) + nDiffX = -nDiffX; + mpImpl->mpWindow->Scroll( nDiffX, nDiffY ); + mpImpl->mpWindow->PaintImmediately(); + mpImpl->mpCursor->SetPos( mpImpl->mpCursor->GetPos() + Point( nDiffX, nDiffY ) ); + if ( bVisCursor && !mpImpl->mbReadOnly ) + mpImpl->mpCursor->Show(); + } + + mpImpl->mpTextEngine->Broadcast( TextHint( SfxHintId::TextViewScrolled ) ); +} + +void TextView::Undo() +{ + mpImpl->mpTextEngine->SetActiveView( this ); + mpImpl->mpTextEngine->GetUndoManager().Undo(); +} + +void TextView::Redo() +{ + mpImpl->mpTextEngine->SetActiveView( this ); + mpImpl->mpTextEngine->GetUndoManager().Redo(); +} + +void TextView::Cut() +{ + mpImpl->mpTextEngine->UndoActionStart(); + Copy(); + DeleteSelected(); + mpImpl->mpTextEngine->UndoActionEnd(); +} + +void TextView::Copy( css::uno::Reference< css::datatransfer::clipboard::XClipboard > const & rxClipboard ) +{ + if ( !rxClipboard.is() ) + return; + + rtl::Reference<TETextDataObject> pDataObj = new TETextDataObject( GetSelected() ); + + SolarMutexReleaser aReleaser; + + try + { + rxClipboard->setContents( pDataObj, nullptr ); + + css::uno::Reference< css::datatransfer::clipboard::XFlushableClipboard > xFlushableClipboard( rxClipboard, css::uno::UNO_QUERY ); + if( xFlushableClipboard.is() ) + xFlushableClipboard->flushClipboard(); + } + catch( const css::uno::Exception& ) + { + } +} + +void TextView::Copy() +{ + css::uno::Reference<css::datatransfer::clipboard::XClipboard> aClipboard(GetWindow()->GetClipboard()); + Copy( aClipboard ); +} + +void TextView::Paste( css::uno::Reference< css::datatransfer::clipboard::XClipboard > const & rxClipboard ) +{ + if ( !rxClipboard.is() ) + return; + + css::uno::Reference< css::datatransfer::XTransferable > xDataObj; + + try + { + SolarMutexReleaser aReleaser; + xDataObj = rxClipboard->getContents(); + } + catch( const css::uno::Exception& ) + { + } + + if ( !xDataObj.is() ) + return; + + css::datatransfer::DataFlavor aFlavor; + SotExchange::GetFormatDataFlavor( SotClipboardFormatId::STRING, aFlavor ); + if ( !xDataObj->isDataFlavorSupported( aFlavor ) ) + return; + + try + { + css::uno::Any aData = xDataObj->getTransferData( aFlavor ); + OUString aText; + aData >>= aText; + bool bWasTruncated = false; + if( mpImpl->mpTextEngine->GetMaxTextLen() != 0 ) + bWasTruncated = ImplTruncateNewText( aText ); + InsertText( aText ); + mpImpl->mpTextEngine->Broadcast( TextHint( SfxHintId::TextModified ) ); + + if( bWasTruncated ) + Edit::ShowTruncationWarning(mpImpl->mpWindow->GetFrameWeld()); + } + catch( const css::datatransfer::UnsupportedFlavorException& ) + { + } +} + +void TextView::Paste() +{ + css::uno::Reference<css::datatransfer::clipboard::XClipboard> aClipboard(GetWindow()->GetClipboard()); + Paste( aClipboard ); +} + +OUString TextView::GetSelected() const +{ + return GetSelected( GetSystemLineEnd() ); +} + +OUString TextView::GetSelected( LineEnd aSeparator ) const +{ + return mpImpl->mpTextEngine->GetText( mpImpl->maSelection, aSeparator ); +} + +void TextView::SetInsertMode( bool bInsert ) +{ + if ( mpImpl->mbInsertMode != bInsert ) + { + mpImpl->mbInsertMode = bInsert; + ShowCursor( mpImpl->mbAutoScroll, false ); + } +} + +void TextView::SetReadOnly( bool bReadOnly ) +{ + if ( mpImpl->mbReadOnly != bReadOnly ) + { + mpImpl->mbReadOnly = bReadOnly; + if ( !mpImpl->mbReadOnly ) + ShowCursor( mpImpl->mbAutoScroll, false ); + else + HideCursor(); + + GetWindow()->SetInputContext( InputContext( mpImpl->mpTextEngine->GetFont(), bReadOnly ? InputContextFlags::Text|InputContextFlags::ExtText : InputContextFlags::NONE ) ); + } +} + +TextSelection const & TextView::ImpMoveCursor( const KeyEvent& rKeyEvent ) +{ + // normally only needed for Up/Down; but who cares + mpImpl->mpTextEngine->CheckIdleFormatter(); + + TextPaM aPaM( mpImpl->maSelection.GetEnd() ); + TextPaM aOldEnd( aPaM ); + + TextDirectionality eTextDirection = TextDirectionality::LeftToRight_TopToBottom; + if ( mpImpl->mpTextEngine->IsRightToLeft() ) + eTextDirection = TextDirectionality::RightToLeft_TopToBottom; + + KeyEvent aTranslatedKeyEvent = rKeyEvent.LogicalTextDirectionality( eTextDirection ); + + bool bCtrl = aTranslatedKeyEvent.GetKeyCode().IsMod1(); + sal_uInt16 nCode = aTranslatedKeyEvent.GetKeyCode().GetCode(); + + bool bSelect = aTranslatedKeyEvent.GetKeyCode().IsShift(); + switch ( nCode ) + { + case KEY_UP: aPaM = CursorUp( aPaM ); + break; + case KEY_DOWN: aPaM = CursorDown( aPaM ); + break; + case KEY_HOME: + if (bCtrl) + { + aPaM = CursorStartOfDoc(); + } + else + { + // tdf#145764 - move cursor to the beginning or the first non-space character in the same line + const TextPaM aFirstWordPaM = CursorFirstWord(aPaM); + aPaM = aPaM.GetIndex() == aFirstWordPaM.GetIndex() ? CursorStartOfLine(aPaM) : aFirstWordPaM; + } + break; + case KEY_END: aPaM = bCtrl ? CursorEndOfDoc() : CursorEndOfLine( aPaM ); + break; + case KEY_PAGEUP: aPaM = bCtrl ? CursorStartOfDoc() : PageUp( aPaM ); + break; + case KEY_PAGEDOWN: aPaM = bCtrl ? CursorEndOfDoc() : PageDown( aPaM ); + break; + case KEY_LEFT: aPaM = bCtrl ? CursorWordLeft( aPaM ) : CursorLeft( aPaM, aTranslatedKeyEvent.GetKeyCode().IsMod2() ? sal_uInt16(css::i18n::CharacterIteratorMode::SKIPCHARACTER) : sal_uInt16(css::i18n::CharacterIteratorMode::SKIPCELL) ); + break; + case KEY_RIGHT: aPaM = bCtrl ? CursorWordRight( aPaM ) : CursorRight( aPaM, aTranslatedKeyEvent.GetKeyCode().IsMod2() ? sal_uInt16(css::i18n::CharacterIteratorMode::SKIPCHARACTER) : sal_uInt16(css::i18n::CharacterIteratorMode::SKIPCELL) ); + break; + case css::awt::Key::SELECT_WORD_FORWARD: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_WORD_FORWARD: + aPaM = CursorWordRight( aPaM ); + break; + case css::awt::Key::SELECT_WORD_BACKWARD: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_WORD_BACKWARD: + aPaM = CursorWordLeft( aPaM ); + break; + case css::awt::Key::SELECT_TO_BEGIN_OF_LINE: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_TO_BEGIN_OF_LINE: + aPaM = CursorStartOfLine( aPaM ); + break; + case css::awt::Key::SELECT_TO_END_OF_LINE: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_TO_END_OF_LINE: + aPaM = CursorEndOfLine( aPaM ); + break; + case css::awt::Key::SELECT_TO_BEGIN_OF_PARAGRAPH: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_TO_BEGIN_OF_PARAGRAPH: + aPaM = CursorStartOfParagraph( aPaM ); + break; + case css::awt::Key::SELECT_TO_END_OF_PARAGRAPH: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_TO_END_OF_PARAGRAPH: + aPaM = CursorEndOfParagraph( aPaM ); + break; + case css::awt::Key::SELECT_TO_BEGIN_OF_DOCUMENT: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_TO_BEGIN_OF_DOCUMENT: + aPaM = CursorStartOfDoc(); + break; + case css::awt::Key::SELECT_TO_END_OF_DOCUMENT: + bSelect = true; + [[fallthrough]]; + case css::awt::Key::MOVE_TO_END_OF_DOCUMENT: + aPaM = CursorEndOfDoc(); + break; + } + + // might cause a CreateAnchor or Deselection all + mpImpl->mpSelEngine->CursorPosChanging( bSelect, aTranslatedKeyEvent.GetKeyCode().IsMod1() ); + + if ( aOldEnd != aPaM ) + { + mpImpl->mpTextEngine->CursorMoved( aOldEnd.GetPara() ); + + TextSelection aNewSelection( mpImpl->maSelection ); + aNewSelection.GetEnd() = aPaM; + if ( bSelect ) + { + // extend the selection + ImpSetSelection( aNewSelection ); + ShowSelection( TextSelection( aOldEnd, aPaM ) ); + } + else + { + aNewSelection.GetStart() = aPaM; + ImpSetSelection( aNewSelection ); + } + } + + return mpImpl->maSelection; +} + +void TextView::InsertText( const OUString& rStr ) +{ + mpImpl->mpTextEngine->UndoActionStart(); + + TextSelection aNewSel = mpImpl->mpTextEngine->ImpInsertText( mpImpl->maSelection, rStr ); + + ImpSetSelection( aNewSel ); + + mpImpl->mpTextEngine->UndoActionEnd(); + + mpImpl->mpTextEngine->FormatAndUpdate( this ); +} + +TextPaM TextView::CursorLeft( const TextPaM& rPaM, sal_uInt16 nCharacterIteratorMode ) +{ + TextPaM aPaM( rPaM ); + + if ( aPaM.GetIndex() ) + { + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aPaM.GetPara() ].get(); + css::uno::Reference < css::i18n::XBreakIterator > xBI = mpImpl->mpTextEngine->GetBreakIterator(); + sal_Int32 nCount = 1; + aPaM.GetIndex() = xBI->previousCharacters( pNode->GetText(), aPaM.GetIndex(), mpImpl->mpTextEngine->GetLocale(), nCharacterIteratorMode, nCount, nCount ); + } + else if ( aPaM.GetPara() ) + { + aPaM.GetPara()--; + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aPaM.GetPara() ].get(); + aPaM.GetIndex() = pNode->GetText().getLength(); + } + return aPaM; +} + +TextPaM TextView::CursorRight( const TextPaM& rPaM, sal_uInt16 nCharacterIteratorMode ) +{ + TextPaM aPaM( rPaM ); + + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aPaM.GetPara() ].get(); + if ( aPaM.GetIndex() < pNode->GetText().getLength() ) + { + css::uno::Reference < css::i18n::XBreakIterator > xBI = mpImpl->mpTextEngine->GetBreakIterator(); + sal_Int32 nCount = 1; + aPaM.GetIndex() = xBI->nextCharacters( pNode->GetText(), aPaM.GetIndex(), mpImpl->mpTextEngine->GetLocale(), nCharacterIteratorMode, nCount, nCount ); + } + else if ( aPaM.GetPara() < ( mpImpl->mpTextEngine->mpDoc->GetNodes().size()-1) ) + { + aPaM.GetPara()++; + aPaM.GetIndex() = 0; + } + + return aPaM; +} + +TextPaM TextView::CursorFirstWord( const TextPaM& rPaM ) +{ + TextPaM aPaM(rPaM); + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[aPaM.GetPara()].get(); + + css::uno::Reference<css::i18n::XBreakIterator> xBI = mpImpl->mpTextEngine->GetBreakIterator(); + aPaM.GetIndex() = xBI->beginOfSentence(pNode->GetText(), 0, mpImpl->mpTextEngine->GetLocale()); + + return aPaM; +} + +TextPaM TextView::CursorWordLeft( const TextPaM& rPaM ) +{ + TextPaM aPaM( rPaM ); + + if ( aPaM.GetIndex() ) + { + // tdf#57879 - expand selection to the left to include connector punctuations + mpImpl->mpTextEngine->GetWord( rPaM, &aPaM ); + if ( aPaM.GetIndex() >= rPaM.GetIndex() ) + { + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aPaM.GetPara() ].get(); + css::uno::Reference < css::i18n::XBreakIterator > xBI = mpImpl->mpTextEngine->GetBreakIterator(); + aPaM.GetIndex() = xBI->previousWord( pNode->GetText(), rPaM.GetIndex(), mpImpl->mpTextEngine->GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES ).startPos; + if ( aPaM.GetIndex() > 0 ) + mpImpl->mpTextEngine->GetWord( aPaM, &aPaM ); + else + aPaM.GetIndex() = 0; + } + } + else if ( aPaM.GetPara() ) + { + aPaM.GetPara()--; + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aPaM.GetPara() ].get(); + aPaM.GetIndex() = pNode->GetText().getLength(); + } + return aPaM; +} + +TextPaM TextView::CursorWordRight( const TextPaM& rPaM ) +{ + TextPaM aPaM( rPaM ); + + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aPaM.GetPara() ].get(); + if ( aPaM.GetIndex() < pNode->GetText().getLength() ) + { + css::uno::Reference < css::i18n::XBreakIterator > xBI = mpImpl->mpTextEngine->GetBreakIterator(); + aPaM.GetIndex() = xBI->nextWord( pNode->GetText(), aPaM.GetIndex(), mpImpl->mpTextEngine->GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES ).endPos; + mpImpl->mpTextEngine->GetWord( aPaM, nullptr, &aPaM ); + } + else if ( aPaM.GetPara() < ( mpImpl->mpTextEngine->mpDoc->GetNodes().size()-1) ) + { + aPaM.GetPara()++; + aPaM.GetIndex() = 0; + } + + return aPaM; +} + +TextPaM TextView::ImpDelete( sal_uInt8 nMode, sal_uInt8 nDelMode ) +{ + if ( mpImpl->maSelection.HasRange() ) // only delete selection + return mpImpl->mpTextEngine->ImpDeleteText( mpImpl->maSelection ); + + TextPaM aStartPaM = mpImpl->maSelection.GetStart(); + TextPaM aEndPaM = aStartPaM; + if ( nMode == DEL_LEFT ) + { + if ( nDelMode == DELMODE_SIMPLE ) + { + aEndPaM = CursorLeft( aEndPaM, sal_uInt16(css::i18n::CharacterIteratorMode::SKIPCHARACTER) ); + } + else if ( nDelMode == DELMODE_RESTOFWORD ) + { + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aEndPaM.GetPara() ].get(); + css::uno::Reference < css::i18n::XBreakIterator > xBI = mpImpl->mpTextEngine->GetBreakIterator(); + css::i18n::Boundary aBoundary = xBI->getWordBoundary( pNode->GetText(), mpImpl->maSelection.GetEnd().GetIndex(), mpImpl->mpTextEngine->GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES, true ); + if ( aBoundary.startPos == mpImpl->maSelection.GetEnd().GetIndex() ) + aBoundary = xBI->previousWord( pNode->GetText(), mpImpl->maSelection.GetEnd().GetIndex(), mpImpl->mpTextEngine->GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES ); + // #i63506# startPos is -1 when the paragraph starts with a tab + aEndPaM.GetIndex() = std::max<sal_Int32>(aBoundary.startPos, 0); + } + else // DELMODE_RESTOFCONTENT + { + if ( aEndPaM.GetIndex() != 0 ) + aEndPaM.GetIndex() = 0; + else if ( aEndPaM.GetPara() ) + { + // previous paragraph + aEndPaM.GetPara()--; + aEndPaM.GetIndex() = 0; + } + } + } + else + { + if ( nDelMode == DELMODE_SIMPLE ) + { + aEndPaM = CursorRight( aEndPaM, sal_uInt16(css::i18n::CharacterIteratorMode::SKIPCELL) ); + } + else if ( nDelMode == DELMODE_RESTOFWORD ) + { + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aEndPaM.GetPara() ].get(); + css::uno::Reference < css::i18n::XBreakIterator > xBI = mpImpl->mpTextEngine->GetBreakIterator(); + css::i18n::Boundary aBoundary = xBI->nextWord( pNode->GetText(), mpImpl->maSelection.GetEnd().GetIndex(), mpImpl->mpTextEngine->GetLocale(), css::i18n::WordType::ANYWORD_IGNOREWHITESPACES ); + aEndPaM.GetIndex() = aBoundary.startPos; + } + else // DELMODE_RESTOFCONTENT + { + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aEndPaM.GetPara() ].get(); + if ( aEndPaM.GetIndex() < pNode->GetText().getLength() ) + aEndPaM.GetIndex() = pNode->GetText().getLength(); + else if ( aEndPaM.GetPara() < ( mpImpl->mpTextEngine->mpDoc->GetNodes().size() - 1 ) ) + { + // next paragraph + aEndPaM.GetPara()++; + TextNode* pNextNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aEndPaM.GetPara() ].get(); + aEndPaM.GetIndex() = pNextNode->GetText().getLength(); + } + } + } + + return mpImpl->mpTextEngine->ImpDeleteText( TextSelection( aStartPaM, aEndPaM ) ); +} + +TextPaM TextView::CursorUp( const TextPaM& rPaM ) +{ + TextPaM aPaM( rPaM ); + + tools::Long nX; + if ( mpImpl->mnTravelXPos == TRAVEL_X_DONTKNOW ) + { + nX = mpImpl->mpTextEngine->GetEditCursor( rPaM, false ).Left(); + mpImpl->mnTravelXPos = static_cast<sal_uInt16>(nX)+1; + } + else + nX = mpImpl->mnTravelXPos; + + TEParaPortion* pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( rPaM.GetPara() ); + std::vector<TextLine>::size_type nLine = pPPortion->GetLineNumber( rPaM.GetIndex(), false ); + if ( nLine ) // same paragraph + { + aPaM.GetIndex() = mpImpl->mpTextEngine->GetCharPos( rPaM.GetPara(), nLine-1, nX ); + // If we need to go to the end of a line that was wrapped automatically, + // the cursor ends up at the beginning of the 2nd line + // Problem: Last character of an automatically wrapped line = Cursor + TextLine& rLine = pPPortion->GetLines()[ nLine - 1 ]; + if ( aPaM.GetIndex() && ( aPaM.GetIndex() == rLine.GetEnd() ) ) + --aPaM.GetIndex(); + } + else if ( rPaM.GetPara() ) // previous paragraph + { + aPaM.GetPara()--; + pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( aPaM.GetPara() ); + std::vector<TextLine>::size_type nL = pPPortion->GetLines().size() - 1; + aPaM.GetIndex() = mpImpl->mpTextEngine->GetCharPos( aPaM.GetPara(), nL, nX+1 ); + } + + return aPaM; +} + +TextPaM TextView::CursorDown( const TextPaM& rPaM ) +{ + TextPaM aPaM( rPaM ); + + tools::Long nX; + if ( mpImpl->mnTravelXPos == TRAVEL_X_DONTKNOW ) + { + nX = mpImpl->mpTextEngine->GetEditCursor( rPaM, false ).Left(); + mpImpl->mnTravelXPos = static_cast<sal_uInt16>(nX)+1; + } + else + nX = mpImpl->mnTravelXPos; + + TEParaPortion* pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( rPaM.GetPara() ); + std::vector<TextLine>::size_type nLine = pPPortion->GetLineNumber( rPaM.GetIndex(), false ); + if ( nLine < ( pPPortion->GetLines().size() - 1 ) ) + { + aPaM.GetIndex() = mpImpl->mpTextEngine->GetCharPos( rPaM.GetPara(), nLine+1, nX ); + + // special case CursorUp + TextLine& rLine = pPPortion->GetLines()[ nLine + 1 ]; + if ( ( aPaM.GetIndex() == rLine.GetEnd() ) && ( aPaM.GetIndex() > rLine.GetStart() ) && aPaM.GetIndex() < pPPortion->GetNode()->GetText().getLength() ) + --aPaM.GetIndex(); + } + else if ( rPaM.GetPara() < ( mpImpl->mpTextEngine->mpDoc->GetNodes().size() - 1 ) ) // next paragraph + { + aPaM.GetPara()++; + pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( aPaM.GetPara() ); + aPaM.GetIndex() = mpImpl->mpTextEngine->GetCharPos( aPaM.GetPara(), 0, nX+1 ); + TextLine& rLine = pPPortion->GetLines().front(); + if ( ( aPaM.GetIndex() == rLine.GetEnd() ) && ( aPaM.GetIndex() > rLine.GetStart() ) && ( pPPortion->GetLines().size() > 1 ) ) + --aPaM.GetIndex(); + } + + return aPaM; +} + +TextPaM TextView::CursorStartOfLine( const TextPaM& rPaM ) +{ + TextPaM aPaM( rPaM ); + + TEParaPortion* pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( rPaM.GetPara() ); + std::vector<TextLine>::size_type nLine = pPPortion->GetLineNumber( aPaM.GetIndex(), false ); + TextLine& rLine = pPPortion->GetLines()[ nLine ]; + aPaM.GetIndex() = rLine.GetStart(); + + return aPaM; +} + +TextPaM TextView::CursorEndOfLine( const TextPaM& rPaM ) +{ + TextPaM aPaM( rPaM ); + + TEParaPortion* pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( rPaM.GetPara() ); + std::vector<TextLine>::size_type nLine = pPPortion->GetLineNumber( aPaM.GetIndex(), false ); + TextLine& rLine = pPPortion->GetLines()[ nLine ]; + aPaM.GetIndex() = rLine.GetEnd(); + + if ( rLine.GetEnd() > rLine.GetStart() ) // empty line + { + sal_Unicode cLastChar = pPPortion->GetNode()->GetText()[ aPaM.GetIndex()-1 ]; + if ( ( cLastChar == ' ' ) && ( aPaM.GetIndex() != pPPortion->GetNode()->GetText().getLength() ) ) + { + // for a blank in an automatically-wrapped line it is better to stand before it, + // as the user will intend to stand behind the prior word. + // If there is a change, special case for Pos1 after End! + --aPaM.GetIndex(); + } + } + return aPaM; +} + +TextPaM TextView::CursorStartOfParagraph( const TextPaM& rPaM ) +{ + TextPaM aPaM( rPaM ); + aPaM.GetIndex() = 0; + return aPaM; +} + +TextPaM TextView::CursorEndOfParagraph( const TextPaM& rPaM ) +{ + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ rPaM.GetPara() ].get(); + TextPaM aPaM( rPaM ); + aPaM.GetIndex() = pNode->GetText().getLength(); + return aPaM; +} + +TextPaM TextView::CursorStartOfDoc() +{ + TextPaM aPaM( 0, 0 ); + return aPaM; +} + +TextPaM TextView::CursorEndOfDoc() +{ + const sal_uInt32 nNode = static_cast<sal_uInt32>(mpImpl->mpTextEngine->mpDoc->GetNodes().size() - 1); + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ nNode ].get(); + TextPaM aPaM( nNode, pNode->GetText().getLength() ); + return aPaM; +} + +TextPaM TextView::PageUp( const TextPaM& rPaM ) +{ + tools::Rectangle aRect = mpImpl->mpTextEngine->PaMtoEditCursor( rPaM ); + Point aTopLeft = aRect.TopLeft(); + aTopLeft.AdjustY( -(mpImpl->mpWindow->GetOutputSizePixel().Height() * 9/10) ); + aTopLeft.AdjustX(1 ); + if ( aTopLeft.Y() < 0 ) + aTopLeft.setY( 0 ); + + TextPaM aPaM = mpImpl->mpTextEngine->GetPaM( aTopLeft ); + return aPaM; +} + +TextPaM TextView::PageDown( const TextPaM& rPaM ) +{ + tools::Rectangle aRect = mpImpl->mpTextEngine->PaMtoEditCursor( rPaM ); + Point aBottomRight = aRect.BottomRight(); + aBottomRight.AdjustY(mpImpl->mpWindow->GetOutputSizePixel().Height() * 9/10 ); + aBottomRight.AdjustX(1 ); + tools::Long nHeight = mpImpl->mpTextEngine->GetTextHeight(); + if ( aBottomRight.Y() > nHeight ) + aBottomRight.setY( nHeight-1 ); + + TextPaM aPaM = mpImpl->mpTextEngine->GetPaM( aBottomRight ); + return aPaM; +} + +void TextView::ImpShowCursor( bool bGotoCursor, bool bForceVisCursor, bool bSpecial ) +{ + if ( mpImpl->mpTextEngine->IsFormatting() ) + return; + if ( !mpImpl->mpTextEngine->GetUpdateMode() ) + return; + if ( mpImpl->mpTextEngine->IsInUndo() ) + return; + + mpImpl->mpTextEngine->CheckIdleFormatter(); + if ( !mpImpl->mpTextEngine->IsFormatted() ) + mpImpl->mpTextEngine->FormatAndUpdate( this ); + + TextPaM aPaM( mpImpl->maSelection.GetEnd() ); + tools::Rectangle aEditCursor = mpImpl->mpTextEngine->PaMtoEditCursor( aPaM, bSpecial ); + + // Remember that we placed the cursor behind the last character of a line + mpImpl->mbCursorAtEndOfLine = false; + if( bSpecial ) + { + TEParaPortion* pParaPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( aPaM.GetPara() ); + mpImpl->mbCursorAtEndOfLine = + pParaPortion->GetLineNumber( aPaM.GetIndex(), true ) != pParaPortion->GetLineNumber( aPaM.GetIndex(), false ); + } + + if ( !IsInsertMode() && !mpImpl->maSelection.HasRange() ) + { + TextNode* pNode = mpImpl->mpTextEngine->mpDoc->GetNodes()[ aPaM.GetPara() ].get(); + if ( !pNode->GetText().isEmpty() && ( aPaM.GetIndex() < pNode->GetText().getLength() ) ) + { + // If we are behind a portion, and the next portion has other direction, we must change position... + aEditCursor.SetLeft( mpImpl->mpTextEngine->GetEditCursor( aPaM, false, true ).Left() ); + aEditCursor.SetRight( aEditCursor.Left() ); + + TEParaPortion* pParaPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( aPaM.GetPara() ); + + sal_Int32 nTextPortionStart = 0; + std::size_t nTextPortion = pParaPortion->GetTextPortions().FindPortion( aPaM.GetIndex(), nTextPortionStart, true ); + TETextPortion& rTextPortion = pParaPortion->GetTextPortions()[ nTextPortion ]; + if ( rTextPortion.GetKind() == PORTIONKIND_TAB ) + { + aEditCursor.AdjustRight(rTextPortion.GetWidth() ); + } + else + { + TextPaM aNext = CursorRight( TextPaM( aPaM.GetPara(), aPaM.GetIndex() ), sal_uInt16(css::i18n::CharacterIteratorMode::SKIPCELL) ); + aEditCursor.SetRight( mpImpl->mpTextEngine->GetEditCursor( aNext, true ).Left() ); + } + } + } + + Size aOutSz = mpImpl->mpWindow->GetOutputSizePixel(); + if ( aEditCursor.GetHeight() > aOutSz.Height() ) + aEditCursor.SetBottom( aEditCursor.Top() + aOutSz.Height() - 1 ); + + aEditCursor.AdjustLeft( -1 ); + + if ( bGotoCursor + // #i81283# protect maStartDocPos against initialization problems + && aOutSz.Width() && aOutSz.Height() + ) + { + tools::Long nVisStartY = mpImpl->maStartDocPos.Y(); + tools::Long nVisEndY = mpImpl->maStartDocPos.Y() + aOutSz.Height(); + tools::Long nVisStartX = mpImpl->maStartDocPos.X(); + tools::Long nVisEndX = mpImpl->maStartDocPos.X() + aOutSz.Width(); + tools::Long nMoreX = aOutSz.Width() / 4; + + Point aNewStartPos( mpImpl->maStartDocPos ); + + if ( aEditCursor.Bottom() > nVisEndY ) + { + aNewStartPos.AdjustY( aEditCursor.Bottom() - nVisEndY); + } + else if ( aEditCursor.Top() < nVisStartY ) + { + aNewStartPos.AdjustY( -( nVisStartY - aEditCursor.Top() ) ); + } + + if ( aEditCursor.Right() >= nVisEndX ) + { + aNewStartPos.AdjustX( aEditCursor.Right() - nVisEndX ); + + // do you want some more? + aNewStartPos.AdjustX(nMoreX ); + } + else if ( aEditCursor.Left() <= nVisStartX ) + { + aNewStartPos.AdjustX( -( nVisStartX - aEditCursor.Left() ) ); + + // do you want some more? + aNewStartPos.AdjustX( -nMoreX ); + } + + // X can be wrong for the 'some more' above: +// sal_uLong nMaxTextWidth = mpImpl->mpTextEngine->GetMaxTextWidth(); +// if ( !nMaxTextWidth || ( nMaxTextWidth > 0x7FFFFFFF ) ) +// nMaxTextWidth = 0x7FFFFFFF; +// long nMaxX = (long)nMaxTextWidth - aOutSz.Width(); + tools::Long nMaxX = mpImpl->mpTextEngine->CalcTextWidth() - aOutSz.Width(); + if ( nMaxX < 0 ) + nMaxX = 0; + + if ( aNewStartPos.X() < 0 ) + aNewStartPos.setX( 0 ); + else if ( aNewStartPos.X() > nMaxX ) + aNewStartPos.setX( nMaxX ); + + // Y should not be further down than needed + tools::Long nYMax = mpImpl->mpTextEngine->GetTextHeight() - aOutSz.Height(); + if ( nYMax < 0 ) + nYMax = 0; + if ( aNewStartPos.Y() > nYMax ) + aNewStartPos.setY( nYMax ); + + if ( aNewStartPos != mpImpl->maStartDocPos ) + Scroll( -(aNewStartPos.X() - mpImpl->maStartDocPos.X()), -(aNewStartPos.Y() - mpImpl->maStartDocPos.Y()) ); + } + + if ( aEditCursor.Right() < aEditCursor.Left() ) + { + tools::Long n = aEditCursor.Left(); + aEditCursor.SetLeft( aEditCursor.Right() ); + aEditCursor.SetRight( n ); + } + + Point aPoint( GetWindowPos( !mpImpl->mpTextEngine->IsRightToLeft() ? aEditCursor.TopLeft() : aEditCursor.TopRight() ) ); + mpImpl->mpCursor->SetPos( aPoint ); + mpImpl->mpCursor->SetSize( aEditCursor.GetSize() ); + if ( bForceVisCursor && mpImpl->mbCursorEnabled ) + mpImpl->mpCursor->Show(); +} + +void TextView::SetCursorAtPoint( const Point& rPosPixel ) +{ + mpImpl->mpTextEngine->CheckIdleFormatter(); + + Point aDocPos = GetDocPos( rPosPixel ); + + TextPaM aPaM = mpImpl->mpTextEngine->GetPaM( aDocPos ); + + // aTmpNewSel: Diff between old and new; not the new selection + TextSelection aTmpNewSel( mpImpl->maSelection.GetEnd(), aPaM ); + TextSelection aNewSel( mpImpl->maSelection ); + aNewSel.GetEnd() = aPaM; + + if ( !mpImpl->mpSelEngine->HasAnchor() ) + { + if ( mpImpl->maSelection.GetStart() != aPaM ) + mpImpl->mpTextEngine->CursorMoved( mpImpl->maSelection.GetStart().GetPara() ); + aNewSel.GetStart() = aPaM; + ImpSetSelection( aNewSel ); + } + else + { + ImpSetSelection( aNewSel ); + ShowSelection( aTmpNewSel ); + } + + bool bForceCursor = !mpImpl->mpDDInfo; // && !mbInSelection + ImpShowCursor( mpImpl->mbAutoScroll, bForceCursor, false ); +} + +bool TextView::IsSelectionAtPoint( const Point& rPosPixel ) +{ + Point aDocPos = GetDocPos( rPosPixel ); + TextPaM aPaM = mpImpl->mpTextEngine->GetPaM( aDocPos ); + // BeginDrag is only called, however, if IsSelectionAtPoint() + // Problem: IsSelectionAtPoint is not called by Command() + // if before MBDown returned false. + return IsInSelection( aPaM ); +} + +bool TextView::IsInSelection( const TextPaM& rPaM ) const +{ + TextSelection aSel = mpImpl->maSelection; + aSel.Justify(); + + const sal_uInt32 nStartNode = aSel.GetStart().GetPara(); + const sal_uInt32 nEndNode = aSel.GetEnd().GetPara(); + const sal_uInt32 nCurNode = rPaM.GetPara(); + + if ( ( nCurNode > nStartNode ) && ( nCurNode < nEndNode ) ) + return true; + + if ( nStartNode == nEndNode ) + { + if ( nCurNode == nStartNode ) + if ( ( rPaM.GetIndex() >= aSel.GetStart().GetIndex() ) && ( rPaM.GetIndex() < aSel.GetEnd().GetIndex() ) ) + return true; + } + else if ( ( nCurNode == nStartNode ) && ( rPaM.GetIndex() >= aSel.GetStart().GetIndex() ) ) + return true; + else if ( ( nCurNode == nEndNode ) && ( rPaM.GetIndex() < aSel.GetEnd().GetIndex() ) ) + return true; + + return false; +} + +void TextView::ImpHideDDCursor() +{ + if ( mpImpl->mpDDInfo && mpImpl->mpDDInfo->mbVisCursor ) + { + mpImpl->mpDDInfo->maCursor.Hide(); + mpImpl->mpDDInfo->mbVisCursor = false; + } +} + +void TextView::ImpShowDDCursor() +{ + if ( !mpImpl->mpDDInfo->mbVisCursor ) + { + tools::Rectangle aCursor = mpImpl->mpTextEngine->PaMtoEditCursor( mpImpl->mpDDInfo->maDropPos, true ); + aCursor.AdjustRight( 1 ); + aCursor.SetPos( GetWindowPos( aCursor.TopLeft() ) ); + + mpImpl->mpDDInfo->maCursor.SetWindow( mpImpl->mpWindow ); + mpImpl->mpDDInfo->maCursor.SetPos( aCursor.TopLeft() ); + mpImpl->mpDDInfo->maCursor.SetSize( aCursor.GetSize() ); + mpImpl->mpDDInfo->maCursor.Show(); + mpImpl->mpDDInfo->mbVisCursor = true; + } +} + +void TextView::SetPaintSelection( bool bPaint ) +{ + if ( bPaint != mpImpl->mbPaintSelection ) + { + mpImpl->mbPaintSelection = bPaint; + ShowSelection( mpImpl->maSelection ); + } +} + +void TextView::Read( SvStream& rInput ) +{ + mpImpl->mpTextEngine->Read( rInput, &mpImpl->maSelection ); + ShowCursor(); +} + +bool TextView::ImplTruncateNewText( OUString& rNewText ) const +{ + bool bTruncated = false; + + const sal_Int32 nMaxLen = mpImpl->mpTextEngine->GetMaxTextLen(); + // 0 means unlimited + if( nMaxLen != 0 ) + { + const sal_Int32 nCurLen = mpImpl->mpTextEngine->GetTextLen(); + + const sal_Int32 nNewLen = rNewText.getLength(); + if ( nCurLen + nNewLen > nMaxLen ) + { + // see how much text will be replaced + const sal_Int32 nSelLen = mpImpl->mpTextEngine->GetTextLen( mpImpl->maSelection ); + if ( nCurLen + nNewLen - nSelLen > nMaxLen ) + { + const sal_Int32 nTruncatedLen = nMaxLen - (nCurLen - nSelLen); + rNewText = rNewText.copy( 0, nTruncatedLen ); + bTruncated = true; + } + } + } + return bTruncated; +} + +bool TextView::ImplCheckTextLen( const OUString& rNewText ) const +{ + bool bOK = true; + if ( mpImpl->mpTextEngine->GetMaxTextLen() ) + { + sal_Int32 n = mpImpl->mpTextEngine->GetTextLen() + rNewText.getLength(); + if ( n > mpImpl->mpTextEngine->GetMaxTextLen() ) + { + // calculate how much text is being deleted + n -= mpImpl->mpTextEngine->GetTextLen( mpImpl->maSelection ); + if ( n > mpImpl->mpTextEngine->GetMaxTextLen() ) + bOK = false; + } + } + return bOK; +} + +void TextView::dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& rDGE ) +{ + if ( !mpImpl->mbClickedInSelection ) + return; + + SolarMutexGuard aVclGuard; + + SAL_WARN_IF( !mpImpl->maSelection.HasRange(), "vcl", "TextView::dragGestureRecognized: mpImpl->mbClickedInSelection, but no selection?" ); + + mpImpl->mpDDInfo.reset(new TextDDInfo); + mpImpl->mpDDInfo->mbStarterOfDD = true; + + rtl::Reference<TETextDataObject> pDataObj = new TETextDataObject( GetSelected() ); + + mpImpl->mpCursor->Hide(); + + sal_Int8 nActions = css::datatransfer::dnd::DNDConstants::ACTION_COPY; + if ( !IsReadOnly() ) + nActions |= css::datatransfer::dnd::DNDConstants::ACTION_MOVE; + rDGE.DragSource->startDrag( rDGE, nActions, 0 /*cursor*/, 0 /*image*/, pDataObj, mpImpl->mxDnDListener ); +} + +void TextView::dragDropEnd( const css::datatransfer::dnd::DragSourceDropEvent& ) +{ + ImpHideDDCursor(); + mpImpl->mpDDInfo.reset(); +} + +void TextView::drop( const css::datatransfer::dnd::DropTargetDropEvent& rDTDE ) +{ + SolarMutexGuard aVclGuard; + + if ( !mpImpl->mbReadOnly && mpImpl->mpDDInfo ) + { + ImpHideDDCursor(); + + // Data for deleting after DROP_MOVE: + TextSelection aPrevSel( mpImpl->maSelection ); + aPrevSel.Justify(); + const sal_uInt32 nPrevParaCount = mpImpl->mpTextEngine->GetParagraphCount(); + const sal_Int32 nPrevStartParaLen = mpImpl->mpTextEngine->GetTextLen( aPrevSel.GetStart().GetPara() ); + + bool bStarterOfDD = false; + for ( sal_uInt16 nView = mpImpl->mpTextEngine->GetViewCount(); nView && !bStarterOfDD; ) + bStarterOfDD = mpImpl->mpTextEngine->GetView( --nView )->mpImpl->mpDDInfo && mpImpl->mpTextEngine->GetView( nView )->mpImpl->mpDDInfo->mbStarterOfDD; + + HideSelection(); + ImpSetSelection( mpImpl->mpDDInfo->maDropPos ); + + mpImpl->mpTextEngine->UndoActionStart(); + + OUString aText; + css::uno::Reference< css::datatransfer::XTransferable > xDataObj = rDTDE.Transferable; + if ( xDataObj.is() ) + { + css::datatransfer::DataFlavor aFlavor; + SotExchange::GetFormatDataFlavor( SotClipboardFormatId::STRING, aFlavor ); + if ( xDataObj->isDataFlavorSupported( aFlavor ) ) + { + css::uno::Any aData = xDataObj->getTransferData( aFlavor ); + OUString aOUString; + aData >>= aOUString; + aText = convertLineEnd(aOUString, LINEEND_LF); + } + } + + if ( !aText.isEmpty() && ( aText[ aText.getLength()-1 ] == LINE_SEP ) ) + aText = aText.copy(0, aText.getLength()-1); + + if ( ImplCheckTextLen( aText ) ) + ImpSetSelection( mpImpl->mpTextEngine->ImpInsertText( mpImpl->mpDDInfo->maDropPos, aText ) ); + + if ( aPrevSel.HasRange() && + (( rDTDE.DropAction & css::datatransfer::dnd::DNDConstants::ACTION_MOVE ) || !bStarterOfDD) ) + { + // adjust selection if necessary + if ( ( mpImpl->mpDDInfo->maDropPos.GetPara() < aPrevSel.GetStart().GetPara() ) || + ( ( mpImpl->mpDDInfo->maDropPos.GetPara() == aPrevSel.GetStart().GetPara() ) + && ( mpImpl->mpDDInfo->maDropPos.GetIndex() < aPrevSel.GetStart().GetIndex() ) ) ) + { + const sal_uInt32 nNewParasBeforeSelection = + mpImpl->mpTextEngine->GetParagraphCount() - nPrevParaCount; + + aPrevSel.GetStart().GetPara() += nNewParasBeforeSelection; + aPrevSel.GetEnd().GetPara() += nNewParasBeforeSelection; + + if ( mpImpl->mpDDInfo->maDropPos.GetPara() == aPrevSel.GetStart().GetPara() ) + { + const sal_Int32 nNewChars = + mpImpl->mpTextEngine->GetTextLen( aPrevSel.GetStart().GetPara() ) - nPrevStartParaLen; + + aPrevSel.GetStart().GetIndex() += nNewChars; + if ( aPrevSel.GetStart().GetPara() == aPrevSel.GetEnd().GetPara() ) + aPrevSel.GetEnd().GetIndex() += nNewChars; + } + } + else + { + // adjust current selection + TextPaM aPaM = mpImpl->maSelection.GetStart(); + aPaM.GetPara() -= ( aPrevSel.GetEnd().GetPara() - aPrevSel.GetStart().GetPara() ); + if ( aPrevSel.GetEnd().GetPara() == mpImpl->mpDDInfo->maDropPos.GetPara() ) + { + aPaM.GetIndex() -= aPrevSel.GetEnd().GetIndex(); + if ( aPrevSel.GetStart().GetPara() == mpImpl->mpDDInfo->maDropPos.GetPara() ) + aPaM.GetIndex() += aPrevSel.GetStart().GetIndex(); + } + ImpSetSelection( aPaM ); + + } + mpImpl->mpTextEngine->ImpDeleteText( aPrevSel ); + } + + mpImpl->mpTextEngine->UndoActionEnd(); + + mpImpl->mpDDInfo.reset(); + + mpImpl->mpTextEngine->FormatAndUpdate( this ); + + mpImpl->mpTextEngine->Broadcast( TextHint( SfxHintId::TextModified ) ); + } + rDTDE.Context->dropComplete( false/*bChanges*/ ); +} + +void TextView::dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& ) +{ +} + +void TextView::dragExit( const css::datatransfer::dnd::DropTargetEvent& ) +{ + SolarMutexGuard aVclGuard; + ImpHideDDCursor(); +} + +void TextView::dragOver( const css::datatransfer::dnd::DropTargetDragEvent& rDTDE ) +{ + SolarMutexGuard aVclGuard; + + if (!mpImpl->mpDDInfo) + mpImpl->mpDDInfo.reset(new TextDDInfo); + + TextPaM aPrevDropPos = mpImpl->mpDDInfo->maDropPos; + Point aMousePos( rDTDE.LocationX, rDTDE.LocationY ); + Point aDocPos = GetDocPos( aMousePos ); + mpImpl->mpDDInfo->maDropPos = mpImpl->mpTextEngine->GetPaM( aDocPos ); + + // Don't drop in selection or in read only engine + if ( IsReadOnly() || IsInSelection( mpImpl->mpDDInfo->maDropPos )) + { + ImpHideDDCursor(); + rDTDE.Context->rejectDrag(); + } + else + { + // delete old Cursor + if ( !mpImpl->mpDDInfo->mbVisCursor || ( aPrevDropPos != mpImpl->mpDDInfo->maDropPos ) ) + { + ImpHideDDCursor(); + ImpShowDDCursor(); + } + rDTDE.Context->acceptDrag( rDTDE.DropAction ); + } +} + +Point TextView::ImpGetOutputStartPos( const Point& rStartDocPos ) const +{ + Point aStartPos( -rStartDocPos.X(), -rStartDocPos.Y() ); + if ( mpImpl->mpTextEngine->IsRightToLeft() ) + { + Size aSz = mpImpl->mpWindow->GetOutputSizePixel(); + aStartPos.setX( rStartDocPos.X() + aSz.Width() - 1 ); // -1: Start is 0 + } + return aStartPos; +} + +Point TextView::GetDocPos( const Point& rWindowPos ) const +{ + // Window Position => Document Position + + Point aPoint; + + aPoint.setY( rWindowPos.Y() + mpImpl->maStartDocPos.Y() ); + + if ( !mpImpl->mpTextEngine->IsRightToLeft() ) + { + aPoint.setX( rWindowPos.X() + mpImpl->maStartDocPos.X() ); + } + else + { + Size aSz = mpImpl->mpWindow->GetOutputSizePixel(); + aPoint.setX( ( aSz.Width() - 1 ) - rWindowPos.X() + mpImpl->maStartDocPos.X() ); + } + + return aPoint; +} + +Point TextView::GetWindowPos( const Point& rDocPos ) const +{ + // Document Position => Window Position + + Point aPoint; + + aPoint.setY( rDocPos.Y() - mpImpl->maStartDocPos.Y() ); + + if ( !mpImpl->mpTextEngine->IsRightToLeft() ) + { + aPoint.setX( rDocPos.X() - mpImpl->maStartDocPos.X() ); + } + else + { + Size aSz = mpImpl->mpWindow->GetOutputSizePixel(); + aPoint.setX( ( aSz.Width() - 1 ) - ( rDocPos.X() - mpImpl->maStartDocPos.X() ) ); + } + + return aPoint; +} + +sal_Int32 TextView::GetLineNumberOfCursorInSelection() const +{ + // PROGRESS + sal_Int32 nLineNo = -1; + if( mpImpl->mbCursorEnabled ) + { + TextPaM aPaM = GetSelection().GetEnd(); + TEParaPortion* pPPortion = mpImpl->mpTextEngine->mpTEParaPortions->GetObject( aPaM.GetPara() ); + nLineNo = pPPortion->GetLineNumber( aPaM.GetIndex(), false ); + //TODO: std::vector<TextLine>::size_type -> sal_Int32! + if( mpImpl->mbCursorAtEndOfLine ) + --nLineNo; + } + return nLineNo; +} + +// (+) class TextSelFunctionSet + +TextSelFunctionSet::TextSelFunctionSet( TextView* pView ) +{ + mpView = pView; +} + +void TextSelFunctionSet::BeginDrag() +{ +} + +void TextSelFunctionSet::CreateAnchor() +{ +// TextSelection aSel( mpView->GetSelection() ); +// aSel.GetStart() = aSel.GetEnd(); +// mpView->SetSelection( aSel ); + + // may not be followed by ShowCursor + mpView->HideSelection(); + mpView->ImpSetSelection( mpView->mpImpl->maSelection.GetEnd() ); +} + +void TextSelFunctionSet::SetCursorAtPoint( const Point& rPointPixel, bool ) +{ + mpView->SetCursorAtPoint( rPointPixel ); +} + +bool TextSelFunctionSet::IsSelectionAtPoint( const Point& rPointPixel ) +{ + return mpView->IsSelectionAtPoint( rPointPixel ); +} + +void TextSelFunctionSet::DeselectAll() +{ + CreateAnchor(); +} + +void TextSelFunctionSet::DeselectAtPoint( const Point& ) +{ + // only for multiple selection +} + +void TextSelFunctionSet::DestroyAnchor() +{ + // only for multiple selection +} +TextEngine* TextView::GetTextEngine() const +{ return mpImpl->mpTextEngine; } +vcl::Window* TextView::GetWindow() const +{ return mpImpl->mpWindow; } +void TextView::EnableCursor( bool bEnable ) +{ mpImpl->mbCursorEnabled = bEnable; } +bool TextView::IsCursorEnabled() const +{ return mpImpl->mbCursorEnabled; } +void TextView::SetStartDocPos( const Point& rPos ) +{ mpImpl->maStartDocPos = rPos; } +const Point& TextView::GetStartDocPos() const +{ return mpImpl->maStartDocPos; } +void TextView::SetAutoIndentMode( bool bAutoIndent ) +{ mpImpl->mbAutoIndent = bAutoIndent; } +bool TextView::IsReadOnly() const +{ return mpImpl->mbReadOnly; } +void TextView::SetAutoScroll( bool bAutoScroll ) +{ mpImpl->mbAutoScroll = bAutoScroll; } +bool TextView::IsAutoScroll() const +{ return mpImpl->mbAutoScroll; } +bool TextView::HasSelection() const +{ return mpImpl->maSelection.HasRange(); } +bool TextView::IsInsertMode() const +{ return mpImpl->mbInsertMode; } + +void TextView::MatchGroup() +{ + TextSelection aTmpSel( GetSelection() ); + aTmpSel.Justify(); + if ( ( aTmpSel.GetStart().GetPara() != aTmpSel.GetEnd().GetPara() ) || + ( ( aTmpSel.GetEnd().GetIndex() - aTmpSel.GetStart().GetIndex() ) > 1 ) ) + { + return; + } + + TextSelection aMatchSel = static_cast<ExtTextEngine*>(GetTextEngine())->MatchGroup( aTmpSel.GetStart() ); + if ( aMatchSel.HasRange() ) + SetSelection( aMatchSel ); +} + +void TextView::CenterPaM( const TextPaM& rPaM ) +{ + // Get textview size and the corresponding y-coordinates + Size aOutSz = mpImpl->mpWindow->GetOutputSizePixel(); + tools::Long nVisStartY = mpImpl->maStartDocPos.Y(); + tools::Long nVisEndY = mpImpl->maStartDocPos.Y() + aOutSz.Height(); + + // Retrieve the coordinates of the PaM + tools::Rectangle aRect = mpImpl->mpTextEngine->PaMtoEditCursor(rPaM); + + // Recalculate the offset of the center y-coordinates and scroll + Scroll(0, (nVisStartY + nVisEndY) / 2 - aRect.TopLeft().getY()); +} + +bool TextView::Search( const i18nutil::SearchOptions& rSearchOptions, bool bForward ) +{ + bool bFound = false; + TextSelection aSel( GetSelection() ); + if ( static_cast<ExtTextEngine*>(GetTextEngine())->Search( aSel, rSearchOptions, bForward ) ) + { + bFound = true; + // First add the beginning of the word to the selection, + // so that the whole word is in the visible region. + SetSelection( aSel.GetStart() ); + ShowCursor( true, false ); + } + else + { + aSel = GetSelection().GetEnd(); + } + + SetSelection( aSel ); + // tdf#49482: Move the start of the selection to the center of the textview + if (bFound) + { + CenterPaM( aSel.GetStart() ); + } + ShowCursor(); + + return bFound; +} + +sal_uInt16 TextView::Replace( const i18nutil::SearchOptions& rSearchOptions, bool bAll, bool bForward ) +{ + sal_uInt16 nFound = 0; + + if ( !bAll ) + { + if ( GetSelection().HasRange() ) + { + InsertText( rSearchOptions.replaceString ); + nFound = 1; + Search( rSearchOptions, bForward ); // right away to the next + } + else + { + if( Search( rSearchOptions, bForward ) ) + nFound = 1; + } + } + else + { + // the writer replaces all, from beginning to end + + ExtTextEngine* pTextEngine = static_cast<ExtTextEngine*>(GetTextEngine()); + + // HideSelection(); + TextSelection aSel; + + bool bSearchInSelection = (0 != (rSearchOptions.searchFlag & css::util::SearchFlags::REG_NOT_BEGINOFLINE) ); + if ( bSearchInSelection ) + { + aSel = GetSelection(); + aSel.Justify(); + } + + TextSelection aSearchSel( aSel ); + + bool bFound = pTextEngine->Search( aSel, rSearchOptions ); + if ( bFound ) + pTextEngine->UndoActionStart(); + while ( bFound ) + { + nFound++; + + TextPaM aNewStart = pTextEngine->ImpInsertText( aSel, rSearchOptions.replaceString ); + // tdf#64690 - extend selection to include inserted text portions + if ( aSel.GetEnd().GetPara() == aSearchSel.GetEnd().GetPara() ) + { + aSearchSel.GetEnd().GetIndex() += rSearchOptions.replaceString.getLength() - 1; + } + aSel = aSearchSel; + aSel.GetStart() = aNewStart; + bFound = pTextEngine->Search( aSel, rSearchOptions ); + } + if ( nFound ) + { + SetSelection( aSel.GetStart() ); + pTextEngine->FormatAndUpdate( this ); + pTextEngine->UndoActionEnd(); + } + } + return nFound; +} + +bool TextView::ImpIndentBlock( bool bRight ) +{ + bool bDone = false; + + TextSelection aSel = GetSelection(); + aSel.Justify(); + + HideSelection(); + GetTextEngine()->UndoActionStart(); + + const sal_uInt32 nStartPara = aSel.GetStart().GetPara(); + sal_uInt32 nEndPara = aSel.GetEnd().GetPara(); + if ( aSel.HasRange() && !aSel.GetEnd().GetIndex() ) + { + nEndPara--; // do not indent + } + + for ( sal_uInt32 nPara = nStartPara; nPara <= nEndPara; ++nPara ) + { + if ( bRight ) + { + // add tabs + GetTextEngine()->ImpInsertText( TextPaM( nPara, 0 ), '\t' ); + bDone = true; + } + else + { + // remove Tabs/Blanks + OUString aText = GetTextEngine()->GetText( nPara ); + if ( !aText.isEmpty() && ( + ( aText[ 0 ] == '\t' ) || + ( aText[ 0 ] == ' ' ) ) ) + { + GetTextEngine()->ImpDeleteText( TextSelection( TextPaM( nPara, 0 ), TextPaM( nPara, 1 ) ) ); + bDone = true; + } + } + } + + GetTextEngine()->UndoActionEnd(); + + bool bRange = aSel.HasRange(); + if ( bRight ) + { + ++aSel.GetStart().GetIndex(); + if ( bRange && ( aSel.GetEnd().GetPara() == nEndPara ) ) + ++aSel.GetEnd().GetIndex(); + } + else + { + if ( aSel.GetStart().GetIndex() ) + --aSel.GetStart().GetIndex(); + if ( bRange && aSel.GetEnd().GetIndex() ) + --aSel.GetEnd().GetIndex(); + } + + ImpSetSelection( aSel ); + GetTextEngine()->FormatAndUpdate( this ); + + return bDone; +} + +bool TextView::IndentBlock() +{ + return ImpIndentBlock( true ); +} + +bool TextView::UnindentBlock() +{ + return ImpIndentBlock( false ); +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |