/* -*- 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 #include #include #include #include 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 : is_typed_flags {}; } 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 mpImplLB; VclPtr mpFloatWin; VclPtr mpImplWin; VclPtr mpBtn; sal_uInt16 mnDDHeight; sal_Int32 m_nMaxWidthChars; Link 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: SAL_DLLPRIVATE explicit ListBox( WindowType nType ); SAL_DLLPRIVATE virtual void FillLayoutData() const override; public: explicit ListBox( vcl::Window* pParent, WinBits nStyle = WB_BORDER ); SAL_DLLPRIVATE virtual ~ListBox() override; SAL_DLLPRIVATE virtual void dispose() override; SAL_DLLPRIVATE virtual void ApplySettings(vcl::RenderContext& rRenderContext) override; SAL_DLLPRIVATE virtual void Draw( OutputDevice* pDev, const Point& rPos, SystemTextColorFlags nFlags ) override; SAL_DLLPRIVATE virtual void Resize() override; SAL_DLLPRIVATE virtual bool PreNotify( NotifyEvent& rNEvt ) override; SAL_DLLPRIVATE virtual void StateChanged( StateChangedType nType ) override; SAL_DLLPRIVATE virtual void DataChanged( const DataChangedEvent& rDCEvt ) override; void Select(); SAL_DLLPRIVATE void DoubleClick(); SAL_DLLPRIVATE virtual void GetFocus() override; SAL_DLLPRIVATE virtual void LoseFocus() override; SAL_DLLPRIVATE virtual const Wallpaper& GetDisplayBackground() const override; SAL_DLLPRIVATE virtual void setPosSizePixel( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, PosSizeFlags nFlags = PosSizeFlags::All ) override; tools::Rectangle GetDropDownPosSizePixel() const; SAL_DLLPRIVATE 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; SAL_DLLPRIVATE void SelectEntry( std::u16string_view rStr, bool bSelect = true ); void SelectEntryPos( sal_Int32 nPos, bool bSelect = true ); void SelectEntriesPos( const std::vector& 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(); SAL_DLLPRIVATE void SetEntryData( sal_Int32 nPos, void* pNewData ); SAL_DLLPRIVATE 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. */ SAL_DLLPRIVATE 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. */ SAL_DLLPRIVATE void AddSeparator( sal_Int32 n ); SAL_DLLPRIVATE 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& rLink ) { maSelectHdl = rLink; } 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.

If the point is inside an item the item pos is put into rPos and the item-relative character index is returned. If the point is not inside an item -1 is returned and rPos is unchanged.

@param rPoint tells the point for which an item is requested. @param rPos gets the item at the specified point rPoint @returns the item-relative character index at point rPos or -1 if no item is at that point. */ using Control::GetIndexForPoint; tools::Long GetIndexForPoint( const Point& rPoint, sal_Int32 & rPos ) const; SAL_DLLPRIVATE void setMaxWidthChars(sal_Int32 nWidth); SAL_DLLPRIVATE virtual bool set_property(const OUString &rKey, const OUString &rValue) override; SAL_DLLPRIVATE virtual FactoryFunction GetUITestFactory() const override; SAL_DLLPRIVATE 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: */