// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#ifndef _FWL_LISTBOX_H
#define _FWL_LISTBOX_H
class CFWL_WidgetImpProperties;
class IFWL_Widget;
class IFWL_ListBoxDP;
class IFWL_ListBox;
#define FWL_CLASS_ListBox			L"FWL_LISTBOX"
#define FWL_CLASSHASH_ListBox		1777358317
#define	FWL_STYLEEXT_LTB_MultiSelection			(1L << 0)
#define	FWL_STYLEEXT_LTB_Sort					(1L << 1)
#define	FWL_STYLEEXT_LTB_ShowScrollBarAlaways	(1L << 2)
#define	FWL_STYLEEXT_LTB_MultiColumn			(1L << 3)
#define	FWL_STYLEEXT_LTB_LeftAlign				(0L << 4)
#define	FWL_STYLEEXT_LTB_CenterAlign			(1L << 4)
#define	FWL_STYLEEXT_LTB_RightAlign				(2L << 4)
#define	FWL_STYLEEXT_LTB_MultiLine				(1L << 6)
#define	FWL_STYLEEXT_LTB_OwnerDraw				(1L << 7)
#define	FWL_STYLEEXT_LTB_Icon                   (1L << 8)
#define	FWL_STYLEEXT_LTB_Check                  (1L << 9)
#define FWL_STYLEEXT_LTB_AlignMask				(3L << 4)
#define FWL_STYLEEXT_LTB_ShowScrollBarFocus		(1L << 10)
#define FWL_ITEMSTATE_LTB_Selected			(1L << 0)
#define FWL_ITEMSTATE_LTB_Focused			(1L << 1)
#define FWL_ITEMSTATE_LTB_Checked			(1L << 2)
#define FWL_PART_LTB_Border					1
#define FWL_PART_LTB_Edge					2
#define FWL_PART_LTB_Background				3
#define FWL_PART_LTB_ListItem				4
#define FWL_PART_LTB_Check   				5
#define FWL_PART_LTB_Icon   				6
#define FWL_PARTSTATE_LTB_Normal			(0L << 0)
#define FWL_PARTSTATE_LTB_Selected			(1L << 0)
#define FWL_PARTSTATE_LTB_Disabled			(2L << 0)
#define FWL_PARTSTATE_LTB_Focused			(1L << 2)
#define FWL_PARTSTATE_LTB_UnChecked			(0L << 3)
#define FWL_PARTSTATE_LTB_Checked			(1L << 3)
#define FWL_PARTSTATE_LTB_Mask				(3L << 0)
#define FWL_WGTHITTEST_LTB_Item				FWL_WGTHITTEST_MAX + 1
#define FWL_WGTHITTEST_LTB_HScrollBar		FWL_WGTHITTEST_MAX + 2
#define FWL_WGTHITTEST_LTB_VScrollBar		FWL_WGTHITTEST_MAX + 3
#define FWL_EVT_LTB_SelChanged				L"FWL_EVENT_LTB_SelChanged"
#define FWL_EVT_LTB_DrawItem				L"FWL_EVENT_LTB_DrawItem"
#define FWL_EVTHASH_LTB_SelChanged			1701781688
#define FWL_EVTHASH_LTB_DrawItem			1050853991
BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbSelChanged, FWL_EVTHASH_LTB_SelChanged)
CFX_Int32Array iarraySels;
END_FWL_EVENT_DEF
BEGIN_FWL_EVENT_DEF(CFWL_EvtLtbDrawItem, FWL_EVTHASH_LTB_DrawItem)
CFX_Graphics *m_pGraphics;
CFX_Matrix m_matrix;
FX_INT32 m_index;
CFX_RectF m_rect;
END_FWL_EVENT_DEF
typedef struct _FWL_HLISTITEM {
    FX_LPVOID pData;
}* FWL_HLISTITEM;
typedef struct _FWL_ListBoxItemData {
    IFWL_ListBoxDP *pDataProvider;
    FX_INT32 iIndex;
} FWL_ListBoxItemData;
class IFWL_ListBoxDP : public IFWL_DataProvider
{
public:
    virtual	FX_INT32			CountItems(IFWL_Widget *pWidget) = 0;
    virtual	FWL_HLISTITEM		GetItem(IFWL_Widget *pWidget, FX_INT32 nIndex) = 0;
    virtual	FX_INT32			GetItemIndex(IFWL_Widget *pWidget, FWL_HLISTITEM hItem) = 0;
    virtual FX_BOOL				SetItemIndex(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, FX_INT32 nIndex) = 0;
    virtual	FX_DWORD			GetItemStyles(IFWL_Widget *pWidget, FWL_HLISTITEM hItem) = 0;
    virtual	FWL_ERR				GetItemText(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, CFX_WideString &wsText) = 0;
    virtual FWL_ERR				GetItemRect(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, CFX_RectF &rtItem) = 0;
    virtual FX_LPVOID			GetItemData(IFWL_Widget *pWidget, FWL_HLISTITEM hItem) = 0;
    virtual	FWL_ERR				SetItemStyles(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, FX_DWORD dwStyle) = 0;
    virtual FWL_ERR				SetItemText(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, FX_LPCWSTR pszText) = 0;
    virtual FWL_ERR				SetItemRect(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, const CFX_RectF &rtItem) = 0;
    virtual FX_FLOAT			GetItemHeight(IFWL_Widget *pWidget) = 0;
    virtual CFX_DIBitmap*		GetItemIcon(IFWL_Widget *pWidget, FWL_HLISTITEM hItem) = 0;
    virtual FWL_ERR				GetItemCheckRect(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, CFX_RectF& rtCheck) = 0;
    virtual FWL_ERR				SetItemCheckRect(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, const CFX_RectF& rtCheck) = 0;
    virtual	FX_DWORD			GetItemCheckState(IFWL_Widget *pWidget, FWL_HLISTITEM hItem) = 0;
    virtual	FWL_ERR				SetItemCheckState(IFWL_Widget *pWidget, FWL_HLISTITEM hItem, FX_DWORD dwCheckState) = 0;
};
class IFWL_ListBoxCompare
{
public:
    virtual FX_INT32 Compare(FWL_HLISTITEM hLeft, FWL_HLISTITEM hRight) = 0;
};
class IFWL_ListBox : public IFWL_Widget
{
public:
    static IFWL_ListBox* Create();
    FWL_ERR			Initialize(IFWL_Widget *pOuter = NULL);
    FWL_ERR			Initialize(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter = NULL);
    FX_INT32		CountSelItems();
    FWL_HLISTITEM	GetSelItem(FX_INT32 nIndexSel);
    FX_INT32		GetSelIndex(FX_INT32 nIndex);
    FWL_ERR			SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect = TRUE);
    FWL_ERR			GetItemText(FWL_HLISTITEM hItem, CFX_WideString &wsText);
    FWL_ERR			GetScrollPos(FX_FLOAT &fPos, FX_BOOL bVert = TRUE);
    FWL_ERR*		Sort(IFWL_ListBoxCompare *pCom);
protected:
    IFWL_ListBox();
    virtual ~IFWL_ListBox();
};
#endif