1 files changed, 77 insertions, 0 deletions
diff --git a/xfa/fwl/basewidget/ifwl_scrollbar.h b/xfa/fwl/basewidget/ifwl_scrollbar.h
new file mode 100644
index 0000000000..c481332132
--- /dev/null
+++ b/xfa/fwl/basewidget/ifwl_scrollbar.h
@@ -0,0 +1,77 @@
+// 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(FX_DWORD dwCode, FX_FLOAT fPos = 0.0f);
+
+ protected:
+  IFWL_ScrollBar();
+};
+
+#endif  // XFA_FWL_BASEWIDGET_IFWL_SCROLLBAR_H_