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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 XFA_FWL_BASEWIDGET_IFWL_SCROLLBAR_H_
#define XFA_FWL_BASEWIDGET_IFWL_SCROLLBAR_H_
#include "core/fxcrt/fx_system.h"
#include "xfa/fwl/core/cfwl_widgetimpproperties.h"
#include "xfa/fwl/core/fwl_error.h"
#include "xfa/fwl/core/fwl_widgetimp.h"
#include "xfa/fwl/core/ifwl_dataprovider.h"
#include "xfa/fwl/core/ifwl_widget.h"
#define FWL_CLASS_ScrollBar L"FWL_SCROLLBAR"
#define FWL_STYLEEXT_SCB_Horz (0L << 0)
#define FWL_STYLEEXT_SCB_Vert (1L << 0)
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(const CFWL_WidgetImpProperties& properties,
IFWL_Widget* pOuter);
FX_BOOL IsVertical();
FWL_Error GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax);
FWL_Error SetRange(FX_FLOAT fMin, FX_FLOAT fMax);
FX_FLOAT GetPageSize();
FWL_Error SetPageSize(FX_FLOAT fPageSize);
FX_FLOAT GetStepSize();
FWL_Error SetStepSize(FX_FLOAT fStepSize);
FX_FLOAT GetPos();
FWL_Error SetPos(FX_FLOAT fPos);
FX_FLOAT GetTrackPos();
FWL_Error SetTrackPos(FX_FLOAT fTrackPos);
FX_BOOL DoScroll(uint32_t dwCode, FX_FLOAT fPos = 0.0f);
protected:
IFWL_ScrollBar();
};
#endif // XFA_FWL_BASEWIDGET_IFWL_SCROLLBAR_H_
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