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67cba3af55e94debe8eb6392bc8d0b2f00a7a199
loongoffice/include/vcl/edit.hxx
Caolán McNamara fc2a0de936 turn the no-space edit widgets into a editwidget feature 
especially because most of them don't handle intercepting text getting *pasted*
into them right, so start with the one which does that right.

Change-Id: If6770798872ed3c72c469656ebf0d4fd76d2171d
2014-06-16 16:59:09 +01:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_EDIT_HXX
#define INCLUDED_VCL_EDIT_HXX
#include <tools/solar.h>
#include <vcl/dllapi.h>
#include <vcl/timer.hxx>
#include <vcl/ctrl.hxx>
#include <vcl/menu.hxx>
#include <vcl/dndhelp.hxx>
#include <com/sun/star/uno/Reference.h>
namespace com {
namespace sun {
namespace star {
namespace i18n {
class XBreakIterator;
class XExtendedInputSequenceChecker;
}}}}
struct DDInfo;
struct Impl_IMEInfos;
// - Edit-Types -
#define EDIT_NOLIMIT SAL_MAX_INT32
#define EDIT_UPDATEDATA_TIMEOUT 350
typedef OUString (*FncGetSpecialChars)( Window* pWin, const Font& rFont );
class VCL_DLLPUBLIC TextFilter
{
private:
OUString sForbiddenChars;
public:
void SetForbiddenChars(const OUString& rSet) { sForbiddenChars = rSet; }
const OUString& GetForbiddenChars() { return sForbiddenChars; }
virtual OUString filter(const OUString &rText);
TextFilter(const OUString &rForbiddenChars = OUString(" "));
virtual ~TextFilter();
};
enum AutocompleteAction{ AUTOCOMPLETE_KEYINPUT, AUTOCOMPLETE_TABFORWARD, AUTOCOMPLETE_TABBACKWARD };
// - Edit -
class VCL_DLLPUBLIC Edit : public Control, public vcl::unohelper::DragAndDropClient
{
private:
Edit* mpSubEdit;
Timer* mpUpdateDataTimer;
TextFilter* mpFilterText;
DDInfo* mpDDInfo;
Impl_IMEInfos* mpIMEInfos;
OUStringBuffer maText;
OUString maPlaceholderText;
OUString maSaveValue;
OUString maUndoText;
OUString maRedoText;
long mnXOffset;
Selection maSelection;
sal_uInt16 mnAlign;
sal_Int32 mnMaxTextLen;
sal_Int32 mnWidthInChars;
sal_Int32 mnMaxWidthChars;
AutocompleteAction meAutocompleteAction;
sal_Unicode mcEchoChar;
bool mbModified:1,
mbInternModified:1,
mbReadOnly:1,
mbInsertMode:1,
mbClickedInSelection:1,
mbIsSubEdit:1,
mbInMBDown:1,
mbActivePopup:1;
Link maModifyHdl;
Link maUpdateDataHdl;
Link maAutocompleteHdl;
css::uno::Reference < css::i18n::XExtendedInputSequenceChecker > mxISC;
DECL_DLLPRIVATE_LINK( ImplUpdateDataHdl, void* );
SAL_DLLPRIVATE bool ImplTruncateToMaxLen( OUString&, sal_Int32 nSelectionLen ) const;
SAL_DLLPRIVATE void ImplInitEditData();
SAL_DLLPRIVATE void ImplModified();
SAL_DLLPRIVATE OUString ImplGetText() const;
SAL_DLLPRIVATE void ImplRepaint(bool bLayout = false);
SAL_DLLPRIVATE void ImplInvalidateOrRepaint();
SAL_DLLPRIVATE void ImplDelete( const Selection& rSelection, sal_uInt8 nDirection, sal_uInt8 nMode );
SAL_DLLPRIVATE void ImplSetText( const OUString& rStr, const Selection* pNewSelection = 0 );
SAL_DLLPRIVATE void ImplInsertText( const OUString& rStr, const Selection* pNewSelection = 0, bool bIsUserInput = false );
SAL_DLLPRIVATE OUString ImplGetValidString( const OUString& rString ) const;
SAL_DLLPRIVATE void ImplClearBackground( long nXStart, long nXEnd );
SAL_DLLPRIVATE void ImplPaintBorder( long nXStart, long nXEnd );
SAL_DLLPRIVATE void ImplShowCursor( bool bOnlyIfVisible = true );
SAL_DLLPRIVATE void ImplAlign();
SAL_DLLPRIVATE void ImplAlignAndPaint();
SAL_DLLPRIVATE sal_Int32 ImplGetCharPos( const Point& rWindowPos ) const;
SAL_DLLPRIVATE void ImplSetCursorPos( sal_Int32 nChar, bool bSelect );
SAL_DLLPRIVATE void ImplShowDDCursor();
SAL_DLLPRIVATE void ImplHideDDCursor();
SAL_DLLPRIVATE bool ImplHandleKeyEvent( const KeyEvent& rKEvt );
SAL_DLLPRIVATE void ImplCopyToSelectionClipboard();
SAL_DLLPRIVATE void ImplCopy( ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& rxClipboard );
SAL_DLLPRIVATE void ImplPaste( ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboard >& rxClipboard );
SAL_DLLPRIVATE long ImplGetTextYPosition() const;
SAL_DLLPRIVATE ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XExtendedInputSequenceChecker > ImplGetInputSequenceChecker();
SAL_DLLPRIVATE ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XBreakIterator > ImplGetBreakIterator() const;
SAL_DLLPRIVATE void filterText();
protected:
using Control::ImplInitSettings;
using Window::ImplInit;
SAL_DLLPRIVATE void ImplInit( Window* pParent, WinBits nStyle );
SAL_DLLPRIVATE WinBits ImplInitStyle( WinBits nStyle );
SAL_DLLPRIVATE void ImplInitSettings( bool bFont, bool bForeground, bool bBackground );
SAL_DLLPRIVATE void ImplLoadRes( const ResId& rResId );
SAL_DLLPRIVATE void ImplSetSelection( const Selection& rSelection, bool bPaint = true );
SAL_DLLPRIVATE int ImplGetNativeControlType() const;
SAL_DLLPRIVATE long ImplGetExtraOffset() const;
static SAL_DLLPRIVATE void ImplInvalidateOutermostBorder( Window* pWin );
::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragSourceListener > mxDnDListener;
// DragAndDropClient
using vcl::unohelper::DragAndDropClient::dragEnter;
using vcl::unohelper::DragAndDropClient::dragExit;
using vcl::unohelper::DragAndDropClient::dragOver;
virtual void dragGestureRecognized( const ::com::sun::star::datatransfer::dnd::DragGestureEvent& dge ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void dragDropEnd( const ::com::sun::star::datatransfer::dnd::DragSourceDropEvent& dsde ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void drop( const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& dtde ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void dragEnter( const ::com::sun::star::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void dragExit( const ::com::sun::star::datatransfer::dnd::DropTargetEvent& dte ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
virtual void dragOver( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
protected:
virtual void FillLayoutData() const SAL_OVERRIDE;
Edit( WindowType nType );
public:
// public because needed in button.cxx
SAL_DLLPRIVATE bool ImplUseNativeBorder( WinBits nStyle );
Edit( Window* pParent, WinBits nStyle = WB_BORDER );
Edit( Window* pParent, const ResId& rResId );
virtual ~Edit();
virtual void MouseButtonDown( const MouseEvent& rMEvt ) SAL_OVERRIDE;
virtual void MouseButtonUp( const MouseEvent& rMEvt ) SAL_OVERRIDE;
virtual void KeyInput( const KeyEvent& rKEvt ) SAL_OVERRIDE;
virtual void Paint( const Rectangle& rRect ) SAL_OVERRIDE;
virtual void Resize() SAL_OVERRIDE;
virtual void Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, sal_uLong nFlags ) SAL_OVERRIDE;
virtual void GetFocus() SAL_OVERRIDE;
virtual void LoseFocus() SAL_OVERRIDE;
virtual void Tracking( const TrackingEvent& rTEvt ) SAL_OVERRIDE;
virtual void Command( const CommandEvent& rCEvt ) SAL_OVERRIDE;
virtual void StateChanged( StateChangedType nType ) SAL_OVERRIDE;
virtual void DataChanged( const DataChangedEvent& rDCEvt ) SAL_OVERRIDE;
virtual Window* GetPreferredKeyInputWindow() SAL_OVERRIDE;
virtual void Modify();
virtual void UpdateData();
static bool IsCharInput( const KeyEvent& rKEvt );
virtual void SetModifyFlag();
virtual void ClearModifyFlag();
virtual bool IsModified() const { return mpSubEdit ? mpSubEdit->mbModified : mbModified; }
virtual void EnableUpdateData( sal_uLong nTimeout = EDIT_UPDATEDATA_TIMEOUT );
virtual void DisableUpdateData() { delete mpUpdateDataTimer; mpUpdateDataTimer = NULL; }
void SetEchoChar( sal_Unicode c );
sal_Unicode GetEchoChar() const { return mcEchoChar; }
virtual void SetReadOnly( bool bReadOnly = true );
virtual bool IsReadOnly() const { return mbReadOnly; }
void SetInsertMode( bool bInsert );
bool IsInsertMode() const;
virtual void SetMaxTextLen( sal_Int32 nMaxLen = EDIT_NOLIMIT );
virtual sal_Int32 GetMaxTextLen() const { return mnMaxTextLen; }
void SetWidthInChars(sal_Int32 nWidthInChars);
sal_Int32 GetWidthInChars() const { return mnWidthInChars; }
void setMaxWidthChars(sal_Int32 nWidth);
virtual void SetSelection( const Selection& rSelection );
virtual const Selection& GetSelection() const;
virtual void ReplaceSelected( const OUString& rStr );
virtual void DeleteSelected();
virtual OUString GetSelected() const;
virtual void Cut();
virtual void Copy();
virtual void Paste();
void Undo();
virtual void SetText( const OUString& rStr ) SAL_OVERRIDE;
virtual void SetText( const OUString& rStr, const Selection& rNewSelection );
virtual OUString GetText() const SAL_OVERRIDE;
virtual void SetPlaceholderText( const OUString& rStr );
virtual OUString GetPlaceholderText() const;
void SaveValue() { maSaveValue = GetText(); }
const OUString& GetSavedValue() const { return maSaveValue; }
bool IsValueChangedFromSaved() const { return maSaveValue != GetText(); }
virtual void SetModifyHdl( const Link& rLink ) { maModifyHdl = rLink; }
virtual const Link& GetModifyHdl() const { return maModifyHdl; }
virtual void SetUpdateDataHdl( const Link& rLink ) { maUpdateDataHdl = rLink; }
void SetSubEdit( Edit* pEdit );
Edit* GetSubEdit() const { return mpSubEdit; }
void SetAutocompleteHdl( const Link& rHdl );
const Link& GetAutocompleteHdl() const { return maAutocompleteHdl; }
AutocompleteAction GetAutocompleteAction() const { return meAutocompleteAction; }
virtual Size CalcMinimumSize() const;
virtual Size CalcMinimumSizeForText(const OUString &rString) const;
virtual Size GetOptimalSize() const SAL_OVERRIDE;
virtual Size CalcSize(sal_Int32 nChars) const;
virtual sal_Int32 GetMaxVisChars() const;
sal_Int32 GetCharPos( const Point& rWindowPos ) const;
// shows a warning box saying "text too long, truncated"
static void ShowTruncationWarning( Window* pParent );
static void SetGetSpecialCharsFunction( FncGetSpecialChars fn );
static FncGetSpecialChars GetGetSpecialCharsFunction();
static PopupMenu* CreatePopupMenu();
static void DeletePopupMenu( PopupMenu* pMenu );
virtual OUString GetSurroundingText() const SAL_OVERRIDE;
virtual Selection GetSurroundingTextSelection() const SAL_OVERRIDE;
virtual bool set_property(const OString &rKey, const OString &rValue) SAL_OVERRIDE;
void SetTextFilter(TextFilter* pFilter) { mpFilterText = pFilter; }
// returns the minimum size a bordered Edit should have given the current
// global style settings (needed by sc's inputwin.cxx)
static Size GetMinimumEditSize();
};
#endif // INCLUDED_VCL_EDIT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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