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// 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_SCROLLBAR_H
#define _FWL_SCROLLBAR_H
class CFWL_WidgetImpProperties;
class IFWL_Widget;
class IFWL_ScrollBarDP;
class IFWL_ScrollBar;
#define FWL_CLASS_ScrollBar L"FWL_SCROLLBAR"
#define FWL_CLASSHASH_ScrollBar 2826584844
#define FWL_STYLEEXT_SCB_Horz (0L << 0)
#define FWL_STYLEEXT_SCB_Vert (1L << 0)
#define FWL_PART_SCB_Border 1
#define FWL_PART_SCB_Edge 2
#define FWL_PART_SCB_Background 3
#define FWL_PART_SCB_ForeArrow 4
#define FWL_PART_SCB_BackArrow 5
#define FWL_PART_SCB_Thumb 6
#define FWL_PART_SCB_LowerTrack 7
#define FWL_PART_SCB_UpperTrack 8
#define FWL_PARTSTATE_SCB_Normal (0L << 0)
#define FWL_PARTSTATE_SCB_Hovered (1L << 0)
#define FWL_PARTSTATE_SCB_Pressed (2L << 0)
#define FWL_PARTSTATE_SCB_Disabled (3L << 0)
#define FWL_WGTHITTEST_SCB_ForeArrow FWL_WGTHITTEST_MAX + 1
#define FWL_WGTHITTEST_SCB_BackArrow FWL_WGTHITTEST_MAX + 2
#define FWL_WGTHITTEST_SCB_LowerTrack FWL_WGTHITTEST_MAX + 3
#define FWL_WGTHITTEST_SCB_UpperTrack FWL_WGTHITTEST_MAX + 4
#define FWL_WGTHITTEST_SCB_Thumb FWL_WGTHITTEST_MAX + 5
#define FWL_CAPACITY_SCB_Size FWL_WGTCAPACITY_MAX
enum FWL_SCBCODE {
FWL_SCBCODE_None = 1,
FWL_SCBCODE_Min ,
FWL_SCBCODE_Max ,
FWL_SCBCODE_PageBackward ,
FWL_SCBCODE_PageForward ,
FWL_SCBCODE_StepBackward ,
FWL_SCBCODE_StepForward ,
FWL_SCBCODE_Pos ,
FWL_SCBCODE_TrackPos ,
FWL_SCBCODE_EndScroll ,
};
class IFWL_ScrollBarDP : public IFWL_DataProvider
{
};
class IFWL_ScrollBar : public IFWL_Widget
{
public:
static IFWL_ScrollBar* Create();
FWL_ERR Initialize(IFWL_Widget *pOuter = NULL);
FWL_ERR Initialize(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter = NULL);
FX_BOOL IsVertical();
FWL_ERR GetRange(FX_FLOAT &fMin, FX_FLOAT &fMax);
FWL_ERR SetRange(FX_FLOAT fMin, FX_FLOAT fMax);
FX_FLOAT GetPageSize();
FWL_ERR SetPageSize(FX_FLOAT fPageSize);
FX_FLOAT GetStepSize();
FWL_ERR SetStepSize(FX_FLOAT fStepSize);
FX_FLOAT GetPos();
FWL_ERR SetPos(FX_FLOAT fPos);
FX_FLOAT GetTrackPos();
FWL_ERR SetTrackPos(FX_FLOAT fTrackPos);
FX_BOOL DoScroll(FX_DWORD dwCode, FX_FLOAT fPos = 0.0f);
protected:
IFWL_ScrollBar();
virtual ~IFWL_ScrollBar();
};
#endif
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