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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 <memory>
#include <vcl/dllapi.h>
#include <vcl/toolkit/edit.hxx>
#define COMBOBOX_APPEND (SAL_MAX_INT32)
#define COMBOBOX_ENTRY_NOTFOUND (SAL_MAX_INT32)
#define COMBOBOX_MAX_ENTRIES (SAL_MAX_INT32 - 1)
class ImplListBoxWindow;
class UserDrawEvent;
/// A widget used to choose from a list of items and which has an entry.
class VCL_DLLPUBLIC ComboBox : public Edit
{
private:
struct SAL_DLLPRIVATE Impl;
std::unique_ptr<Impl> m_pImpl;
protected:
using Window::ImplInit;
SAL_DLLPRIVATE void ImplInit( vcl::Window* pParent, WinBits nStyle );
SAL_DLLPRIVATE static WinBits ImplInitStyle( WinBits nStyle );
SAL_DLLPRIVATE void ImplCalcEditHeight();
SAL_DLLPRIVATE tools::Long getMaxWidthScrollBarAndDownButton() const;
protected:
bool IsDropDownBox() const;
virtual void FillLayoutData() const override;
public:
explicit ComboBox( vcl::Window* pParent, WinBits nStyle = 0 );
virtual ~ComboBox() override;
virtual void dispose() override;
virtual void Draw( OutputDevice* pDev, const Point& rPos,SystemTextColorFlags nFlags ) override;
virtual void Resize() override;
virtual bool EventNotify( NotifyEvent& rNEvt ) override;
virtual void StateChanged( StateChangedType nType ) override;
virtual void DataChanged( const DataChangedEvent& rDCEvt ) override;
void Select();
void DoubleClick();
virtual void Modify() 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;
virtual void SetText( const OUString& rStr ) override;
virtual void SetText( const OUString& rStr, const Selection& rNewSelection ) override;
sal_Int32 InsertEntry(const OUString& rStr, sal_Int32 nPos = COMBOBOX_APPEND);
sal_Int32 InsertEntryWithImage( const OUString& rStr, const Image& rImage, sal_Int32 nPos = COMBOBOX_APPEND );
void RemoveEntryAt(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;
bool IsTravelSelect() const;
bool IsInDropDown() const;
void ToggleDropDown();
void SetUserItemSize( const Size& rSz );
void EnableUserDraw( bool bUserDraw );
bool IsUserDrawEnabled() const;
void DrawEntry( const UserDrawEvent& rEvt );
void SetBorderStyle( WindowBorderStyle nBorderStyle );
void SetHighlightColor(const Color& rColor);
void SetHighlightTextColor(const Color& rColor);
/**
* Adds a new separator at the given position n.
*/
void AddSeparator( sal_Int32 n );
void EnableAutocomplete( bool bEnable, bool bMatchCase = false );
bool IsAutocompleteEnabled() const;
bool IsMultiSelectionEnabled() const;
void SetSelectHdl(const Link<ComboBox&,void>& rLink);
void SetEntryActivateHdl(const Link<Edit&,bool>& rLink);
void SetUserDrawHdl(const Link<UserDrawEvent*, void>& rLink);
Size CalcMinimumSize() const override;
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;
void SetMRUEntries( std::u16string_view rEntries );
OUString GetMRUEntries() const;
void SetMaxMRUCount( sal_Int32 n );
sal_Int32 GetMaxMRUCount() const;
void SetEntryData( sal_Int32 nPos, void* pNewData );
void* GetEntryData( sal_Int32 nPos ) const;
sal_Int32 GetTopEntry() const;
sal_uInt16 GetDisplayLineCount() const;
sal_Int32 GetSelectedEntryCount() const;
sal_Int32 GetSelectedEntryPos( sal_Int32 nSelIndex = 0 ) const;
bool IsEntryPosSelected( sal_Int32 nPos ) const;
void SelectEntryPos( sal_Int32 nPos, bool bSelect = true );
void SetNoSelection();
tools::Rectangle GetBoundingRectangle( sal_Int32 nItem ) const;
// determine if Select was called due to typing or cursoring in the
// combobox, as opposed to something selected from the menu or via some
// other route. e.g. the toolbar fontsize combobox wants to immediately
// change size only if something is picked from the combobox menu, other
// changes don't auto-apply until the user presses return
bool IsModifyByKeyboard() const;
// determine if Edit::Modify was called due to the ComboBox changing the edit area
// itself
bool IsSyntheticModify() const;
/** checks whether a certain point lies within the bounds of
a list 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);
void SetWidthInChars(sal_Int32 nWidthInChars);
tools::Long GetDropDownEntryHeight() const;
// the drop down window container
ImplListBoxWindow* GetMainWindow() const;
virtual bool set_property(const OUString &rKey, const OUString &rValue) override;
virtual FactoryFunction GetUITestFactory() const override;
virtual void DumpAsPropertyTree(tools::JsonWriter&) override;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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