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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 .
*/
#pragma once
#if !defined(VCL_DLLIMPLEMENTATION) && !defined(TOOLKIT_DLLIMPLEMENTATION) && !defined(VCL_INTERNALS)
#error "don't use this in new code"
#endif
#include <config_options.h>
#include <sal/types.h>
#include <o3tl/typed_flags_set.hxx>
#include <vcl/dllapi.h>
#include <vcl/ctrl.hxx>
class DataChangedEvent;
class NotifyEvent;
class UserDrawEvent;
#define LISTBOX_APPEND (SAL_MAX_INT32)
#define LISTBOX_ENTRY_NOTFOUND (SAL_MAX_INT32)
#define LISTBOX_MAX_ENTRIES (SAL_MAX_INT32 - 1)
// 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. !!
enum class 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;
bool mbDDAutoSize : 1;
private:
SAL_DLLPRIVATE void ImplInitListBoxData();
DECL_DLLPRIVATE_LINK( ImplSelectHdl, LinkParamNone*, void );
DECL_DLLPRIVATE_LINK( ImplScrollHdl, ImplListBox*, void );
DECL_DLLPRIVATE_LINK( ImplCancelHdl, LinkParamNone*, void );
DECL_DLLPRIVATE_LINK( ImplDoubleClickHdl, ImplListBoxWindow*, void );
DECL_DLLPRIVATE_LINK( ImplPopupModeEndHdl, FloatingWindow*, void );
DECL_DLLPRIVATE_LINK( ImplSelectionChangedHdl, sal_Int32, void );
DECL_DLLPRIVATE_LINK( ImplFocusHdl, sal_Int32, void );
DECL_DLLPRIVATE_LINK( ImplListItemSelectHdl, LinkParamNone*, void );
DECL_DLLPRIVATE_LINK( ImplClickBtnHdl, void*, void );
protected:
using Window::ImplInit;
SAL_DLLPRIVATE void ImplInit( vcl::Window* pParent, WinBits nStyle );
SAL_DLLPRIVATE static WinBits ImplInitStyle( WinBits nStyle );
bool IsDropDownBox() const { return mpFloatWin != nullptr; }
protected:
explicit ListBox( WindowType nType );
virtual void FillLayoutData() const override;
public:
explicit ListBox( vcl::Window* pParent, WinBits nStyle = WB_BORDER );
virtual ~ListBox() override;
virtual void dispose() override;
virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;
virtual void Draw( OutputDevice* pDev, const Point& rPos, SystemTextColorFlags nFlags ) override;
virtual void Resize() override;
virtual bool PreNotify( NotifyEvent& rNEvt ) override;
virtual void StateChanged( StateChangedType nType ) override;
virtual void DataChanged( const DataChangedEvent& rDCEvt ) override;
void Select();
void DoubleClick();
virtual void GetFocus() override;
virtual void LoseFocus() override;
virtual const Wallpaper& GetDisplayBackground() const override;
virtual void setPosSizePixel( tools::Long nX, tools::Long nY,
tools::Long nWidth, tools::Long nHeight, PosSizeFlags nFlags = PosSizeFlags::All ) override;
tools::Rectangle GetDropDownPosSizePixel() const;
void AdaptDropDownLineCountToMaximum();
void SetDropDownLineCount( sal_uInt16 nLines );
sal_uInt16 GetDropDownLineCount() const;
void EnableAutoSize( bool bAuto );
bool IsAutoSizeEnabled() const { return mbDDAutoSize; }
sal_Int32 InsertEntry( const OUString& rStr, sal_Int32 nPos = LISTBOX_APPEND );
sal_Int32 InsertEntry( const OUString& rStr, const Image& rImage, sal_Int32 nPos = LISTBOX_APPEND );
void RemoveEntry( sal_Int32 nPos );
void Clear();
sal_Int32 GetEntryPos( std::u16string_view rStr ) const;
Image GetEntryImage( sal_Int32 nPos ) const;
OUString GetEntry( sal_Int32 nPos ) const;
sal_Int32 GetEntryCount() const;
void SelectEntry( std::u16string_view rStr, bool bSelect = true );
void SelectEntryPos( sal_Int32 nPos, bool bSelect = true );
void SelectEntriesPos( const std::vector<sal_Int32>& rPositions, bool bSelect = true );
sal_Int32 GetSelectedEntryCount() const;
OUString GetSelectedEntry( sal_Int32 nSelIndex = 0 ) const;
sal_Int32 GetSelectedEntryPos( sal_Int32 nSelIndex = 0 ) const;
bool IsEntryPosSelected( sal_Int32 nPos ) const;
void SetNoSelection();
void SetEntryData( sal_Int32 nPos, void* pNewData );
void* GetEntryData( sal_Int32 nPos ) const;
/** 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.
*/
void SetEntryFlags( sal_Int32 nPos, ListBoxEntryFlags nFlags );
void SetTopEntry( sal_Int32 nPos );
sal_Int32 GetTopEntry() const;
/**
* 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.
*/
void AddSeparator( sal_Int32 n );
bool IsTravelSelect() const;
bool IsInDropDown() const;
void ToggleDropDown();
void EnableMultiSelection( bool bMulti );
bool IsMultiSelectionEnabled() const;
void SetHighlightColor(const Color& rColor);
void SetHighlightTextColor(const Color& rColor);
void SetReadOnly( bool bReadOnly = true );
bool IsReadOnly() const;
tools::Rectangle GetBoundingRectangle( sal_Int32 nItem ) const;
void SetSelectHdl( const Link<ListBox&,void>& rLink ) { maSelectHdl = rLink; }
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
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;
void setMaxWidthChars(sal_Int32 nWidth);
virtual bool set_property(const OUString &rKey, const OUString &rValue) override;
virtual FactoryFunction GetUITestFactory() const override;
virtual void DumpAsPropertyTree(tools::JsonWriter&) override;
};
class UNLESS_MERGELIBS(VCL_DLLPUBLIC) MultiListBox final : public ListBox
{
public:
explicit MultiListBox( vcl::Window* pParent, WinBits nStyle );
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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