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Diffstat (limited to 'include/vcl/textview.hxx')
| -rw-r--r-- | include/vcl/textview.hxx | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/include/vcl/textview.hxx b/include/vcl/textview.hxx new file mode 100644 index 0000000000..84a89e8c58 --- /dev/null +++ b/include/vcl/textview.hxx @@ -0,0 +1,229 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_VCL_TEXTVIEW_HXX +#define INCLUDED_VCL_TEXTVIEW_HXX + +#include <config_options.h> +#include <tools/gen.hxx> +#include <tools/lineend.hxx> +#include <tools/stream.hxx> +#include <vcl/dllapi.h> +#include <vcl/dndhelp.hxx> +#include <vcl/textdata.hxx> +#include <vcl/outdev.hxx> +#include <memory> + +class TextEngine; + +class KeyEvent; +class MouseEvent; +class CommandEvent; +namespace vcl { class Window; } + +namespace com::sun::star::datatransfer::clipboard { + class XClipboard; +} +namespace i18nutil { + struct SearchOptions2; +} + + +struct ImpTextView; +class ExtTextEngine; + +class UNLESS_MERGELIBS(VCL_DLLPUBLIC) TETextDataObject final : public css::datatransfer::XTransferable, + public ::cppu::OWeakObject + +{ +private: + OUString maText; + SvMemoryStream maHTMLStream; + +public: + explicit TETextDataObject( OUString aText ); + + SvMemoryStream& GetHTMLStream() { return maHTMLStream; } + + // css::uno::XInterface + css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override; + void SAL_CALL acquire() noexcept override { OWeakObject::acquire(); } + void SAL_CALL release() noexcept override { OWeakObject::release(); } + + // css::datatransfer::XTransferable + css::uno::Any SAL_CALL getTransferData( const css::datatransfer::DataFlavor& aFlavor ) override; + css::uno::Sequence< css::datatransfer::DataFlavor > SAL_CALL getTransferDataFlavors( ) override; + sal_Bool SAL_CALL isDataFlavorSupported( const css::datatransfer::DataFlavor& aFlavor ) override; +}; + + +class VCL_DLLPUBLIC TextView final : public vcl::unohelper::DragAndDropClient +{ + friend class TextEngine; + friend class TextUndo; + friend class TextUndoManager; + friend class TextSelFunctionSet; + + std::unique_ptr<ImpTextView> mpImpl; + + TextView( const TextView& ) = delete; + TextView& operator=( const TextView& ) = delete; + + bool ImpIndentBlock( bool bRight ); + void ShowSelection(); + void HideSelection(); + void ShowSelection( const TextSelection& rSel ); + void ImpShowHideSelection( const TextSelection* pRange = nullptr ); + + TextSelection const & ImpMoveCursor( const KeyEvent& rKeyEvent ); + TextPaM ImpDelete( sal_uInt8 nMode, sal_uInt8 nDelMode ); + bool IsInSelection( const TextPaM& rPaM ) const; + + void ImpPaint(vcl::RenderContext& rRenderContext, const Point& rStartPos, tools::Rectangle const* pPaintArea, TextSelection const* pSelection); + void ImpPaint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect); + void ImpShowCursor( bool bGotoCursor, bool bForceVisCursor, bool bEndKey ); + void ImpSetSelection( const TextSelection& rSelection ); + Point ImpGetOutputStartPos( const Point& rStartDocPos ) const; + + void ImpHideDDCursor(); + void ImpShowDDCursor(); + + bool ImplTruncateNewText( OUString& rNewText ) const; + bool ImplCheckTextLen( std::u16string_view rNewText ) const; + + // DragAndDropClient + virtual void dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& dge ) override; + virtual void dragDropEnd( const css::datatransfer::dnd::DragSourceDropEvent& dsde ) override; + virtual void drop( const css::datatransfer::dnd::DropTargetDropEvent& dtde ) override; + virtual void dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) override; + virtual void dragExit( const css::datatransfer::dnd::DropTargetEvent& dte ) override; + virtual void dragOver( const css::datatransfer::dnd::DropTargetDragEvent& dtde ) override; + + using DragAndDropClient::dragEnter; + using DragAndDropClient::dragExit; + using DragAndDropClient::dragOver; + +public: + TextView( ExtTextEngine* pEng, vcl::Window* pWindow ); + virtual ~TextView() override; + + TextEngine* GetTextEngine() const; + vcl::Window* GetWindow() const; + + void Invalidate(); + void Scroll( tools::Long nHorzScroll, tools::Long nVertScroll ); + + void ShowCursor( bool bGotoCursor = true, bool bForceVisCursor = true ); + void HideCursor(); + + void EnableCursor( bool bEnable ); + bool IsCursorEnabled() const; + + const TextSelection& GetSelection() const; + TextSelection& GetSelection(); + void SetSelection( const TextSelection& rNewSel ); + void SetSelection( const TextSelection& rNewSel, bool bGotoCursor ); + bool HasSelection() const; + + OUString GetSelected() const; + OUString GetSelected( LineEnd aSeparator ) const; + void DeleteSelected(); + + void InsertText( const OUString& rNew ); + + bool KeyInput( const KeyEvent& rKeyEvent ); + void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect); + void MouseButtonUp( const MouseEvent& rMouseEvent ); + void MouseButtonDown( const MouseEvent& rMouseEvent ); + void MouseMove( const MouseEvent& rMouseEvent ); + void Command( const CommandEvent& rCEvt ); + + void Cut(); + void Copy(); + void Paste(); + + void Copy( css::uno::Reference< css::datatransfer::clipboard::XClipboard > const & rxClipboard ); + void Paste( css::uno::Reference< css::datatransfer::clipboard::XClipboard > const & rxClipboard ); + + void Undo(); + void Redo(); + + void Read( SvStream& rInput ); + + void SetStartDocPos( const Point& rPos ); + const Point& GetStartDocPos() const; + + Point GetDocPos( const Point& rWindowPos ) const; + Point GetWindowPos( const Point& rDocPos ) const; + + void SetInsertMode( bool bInsert ); + bool IsInsertMode() const; + + void SetAutoIndentMode( bool bAutoIndent ); + + void SetReadOnly( bool bReadOnly ); + bool IsReadOnly() const; + + void SetAutoScroll( bool bAutoScroll ); + bool IsAutoScroll() const; + + void SetCursorAtPoint( const Point& rPointPixel ); + bool IsSelectionAtPoint( const Point& rPointPixel ); + + void SetPaintSelection( bool bPaint); + + // Moved in here from the protected part. + // For 'SvtXECTextCursor' (TL). Possibly needs to be solved again differently. + TextPaM PageUp( const TextPaM& rPaM ); + TextPaM PageDown( const TextPaM& rPaM ); + TextPaM CursorUp( const TextPaM& rPaM ); + TextPaM CursorDown( const TextPaM& rPaM ); + TextPaM CursorLeft( const TextPaM& rPaM, sal_uInt16 nCharacterIteratorMode ); + TextPaM CursorRight( const TextPaM& rPaM, sal_uInt16 nCharacterIteratorMode ); + TextPaM CursorFirstWord( const TextPaM& rPaM ); + TextPaM CursorWordLeft( const TextPaM& rPaM ); + TextPaM CursorWordRight( const TextPaM& rPaM ); + TextPaM CursorStartOfLine( const TextPaM& rPaM ); + TextPaM CursorEndOfLine( const TextPaM& rPaM ); + static TextPaM CursorStartOfParagraph( const TextPaM& rPaM ); + TextPaM CursorEndOfParagraph( const TextPaM& rPaM ); + static TextPaM CursorStartOfDoc(); + TextPaM CursorEndOfDoc(); + + /** + Returns the number in paragraph of the line in which the cursor is blinking + if enabled, -1 otherwise. + */ + sal_Int32 GetLineNumberOfCursorInSelection() const; + + void MatchGroup(); + + // tdf#49482: Moves the start of the PaM to the center of the textview + void CenterPaM( const TextPaM& rPaM ); + + bool Search( const i18nutil::SearchOptions2& rSearchOptions, bool bForward ); + sal_uInt16 Replace( const i18nutil::SearchOptions2& rSearchOptions, bool bAll, bool bForward ); + + bool IndentBlock(); + bool UnindentBlock(); +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |