// 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(const CFWL_WidgetImpProperties& properties, | |
IFWL_Widget* pOuter); | |
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(); | |
}; | |
#endif |