| // 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 "xfa/fwl/core/fwl_widgetimp.h" |
| #include "xfa/fwl/core/ifwl_widget.h" |
| #include "xfa/fwl/core/ifwl_dataprovider.h" |
| #include "xfa/fwl/core/cfwl_widgetimpproperties.h" |
| #include "core/fxcrt/include/fx_system.h" |
| #include "xfa/fwl/core/fwl_error.h" |
| |
| #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(uint32_t dwCode, FX_FLOAT fPos = 0.0f); |
| |
| protected: |
| IFWL_ScrollBar(); |
| }; |
| |
| #endif // XFA_FWL_BASEWIDGET_IFWL_SCROLLBAR_H_ |