/* -*- 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 .
*/
#pragma once
#if !defined(VCL_DLLIMPLEMENTATION) && !defined(TOOLKIT_DLLIMPLEMENTATION) && !defined(VCL_INTERNALS) #error"don't use this in new code" #endif
// the following defines can be used for the SetEntryFlags() // and GetEntryFlags() methods
// !! Do not use these flags for user data as they are reserved !! // !! to change the internal behaviour of the ListBox implementation !! // !! for specific entries. !!
enumclass ListBoxEntryFlags
{
NONE = 0x0000, /** this flag disables a selection of an entry completely. It is not possible to select such entries either from the user interface nor from the ListBox methods. Cursor traveling is handled correctly. This flag can be used to add titles to a ListBox.
*/
DisableSelection = 0x0001,
/** this flag can be used to make an entry multiline capable A normal entry is single line and will therefore be clipped at the right listbox border. Setting this flag enables word breaks for the entry text.
*/
MultiLine = 0x0002,
/** this flags lets the item be drawn disabled (e.g. in grey text) usage only guaranteed with ListBoxEntryFlags::DisableSelection
*/
DrawDisabled = 0x0004,
}; namespace o3tl
{ template<> struct typed_flags<ListBoxEntryFlags> : is_typed_flags<ListBoxEntryFlags, 0x0007> {};
}
class Image; class ImplListBox; class ImplListBoxFloatingWindow; class ImplBtn; class ImplWin; class ImplListBoxWindow;
/// A widget used to choose from a list of items and which has no entry. class VCL_DLLPUBLIC ListBox : public Control
{ private:
VclPtr<ImplListBox> mpImplLB;
VclPtr<ImplListBoxFloatingWindow> mpFloatWin;
VclPtr<ImplWin> mpImplWin;
VclPtr<ImplBtn> mpBtn;
sal_uInt16 mnDDHeight;
sal_Int32 m_nMaxWidthChars;
Link<ListBox&,void> maSelectHdl;
sal_uInt16 mnLineCount;
/** this methods stores a combination of flags from the ListBoxEntryFlags::* defines at the given entry. See description of the possible ListBoxEntryFlags::* flags for details. Do not use these flags for user data as they are reserved to change the internal behaviour of the ListBox implementation for specific entries.
*/
SAL_DLLPRIVATE void SetEntryFlags( sal_Int32 nPos, ListBoxEntryFlags nFlags );
/** * Removes existing separators, and sets the position of the * one and only separator.
*/ void SetSeparatorPos( sal_Int32 n ); /** * Gets the position of the separator which was added first. * Returns LISTBOX_ENTRY_NOTFOUND if there is no separator.
*/
sal_Int32 GetSeparatorPos() const;
/** * Adds a new separator at the given position n.
*/
SAL_DLLPRIVATE void AddSeparator( sal_Int32 n );
SAL_DLLPRIVATE Size CalcSubEditSize() const; //size of area inside lstbox, i.e. no scrollbar/dropdown
Size CalcMinimumSize() const; //size of lstbox area, i.e. including scrollbar/dropdown
SAL_DLLPRIVATE virtual Size GetOptimalSize() const override;
Size CalcAdjustedSize( const Size& rPrefSize ) const;
Size CalcBlockSize( sal_uInt16 nColumns, sal_uInt16 nLines ) const; void GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const;
sal_uInt16 GetDisplayLineCount() const;
/** checks whether a certain point lies within the bounds of a listbox item and returns the item as well as the character position the point is at.
<p>If the point is inside an item the item pos is put into <code>rPos</code> and the item-relative character index is returned. If the point is not inside an item -1 is returned and rPos is unchanged.</p>
@param rPoint tells the point for which an item is requested.
@param rPos gets the item at the specified point <code>rPoint</code>
@returns the item-relative character index at point <code>rPos</code> or -1 if no item is at that point.
*/ using Control::GetIndexForPoint;
tools::Long GetIndexForPoint( const Point& rPoint, sal_Int32 & rPos ) const;
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