Rename PWL_FooBar files to cpwl_foo_bar.

Change-Id: I7ed0ba0acbbee291e285555974ebf50c0073668f
Reviewed-on: https://pdfium-review.googlesource.com/6250
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 0 insertions, 1186 deletions

diff --git a/fpdfsdk/pdfwindow/PWL_ScrollBar.cpp b/fpdfsdk/pdfwindow/PWL_ScrollBar.cpp
deleted file mode 100644
index 36ee5c762f..0000000000
--- a/fpdfsdk/pdfwindow/PWL_ScrollBar.cpp
+++ /dev/null
@@ -1,1186 +0,0 @@
-// 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
-
-#include "fpdfsdk/pdfwindow/PWL_ScrollBar.h"
-
-#include "core/fxge/cfx_pathdata.h"
-#include "core/fxge/cfx_renderdevice.h"
-#include "fpdfsdk/pdfwindow/PWL_Utils.h"
-#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
-
-PWL_FLOATRANGE::PWL_FLOATRANGE() {
-  Default();
-}
-
-PWL_FLOATRANGE::PWL_FLOATRANGE(float min, float max) {
-  Set(min, max);
-}
-
-void PWL_FLOATRANGE::Default() {
-  fMin = 0;
-  fMax = 0;
-}
-
-void PWL_FLOATRANGE::Set(float min, float max) {
-  if (min > max) {
-    fMin = max;
-    fMax = min;
-  } else {
-    fMin = min;
-    fMax = max;
-  }
-}
-
-bool PWL_FLOATRANGE::In(float x) const {
-  return (IsFloatBigger(x, fMin) || IsFloatEqual(x, fMin)) &&
-         (IsFloatSmaller(x, fMax) || IsFloatEqual(x, fMax));
-}
-
-float PWL_FLOATRANGE::GetWidth() const {
-  return fMax - fMin;
-}
-
-PWL_SCROLL_PRIVATEDATA::PWL_SCROLL_PRIVATEDATA() {
-  Default();
-}
-
-void PWL_SCROLL_PRIVATEDATA::Default() {
-  ScrollRange.Default();
-  fScrollPos = ScrollRange.fMin;
-  fClientWidth = 0;
-  fBigStep = 10;
-  fSmallStep = 1;
-}
-
-void PWL_SCROLL_PRIVATEDATA::SetScrollRange(float min, float max) {
-  ScrollRange.Set(min, max);
-
-  if (IsFloatSmaller(fScrollPos, ScrollRange.fMin))
-    fScrollPos = ScrollRange.fMin;
-  if (IsFloatBigger(fScrollPos, ScrollRange.fMax))
-    fScrollPos = ScrollRange.fMax;
-}
-
-void PWL_SCROLL_PRIVATEDATA::SetClientWidth(float width) {
-  fClientWidth = width;
-}
-
-void PWL_SCROLL_PRIVATEDATA::SetSmallStep(float step) {
-  fSmallStep = step;
-}
-
-void PWL_SCROLL_PRIVATEDATA::SetBigStep(float step) {
-  fBigStep = step;
-}
-
-bool PWL_SCROLL_PRIVATEDATA::SetPos(float pos) {
-  if (ScrollRange.In(pos)) {
-    fScrollPos = pos;
-    return true;
-  }
-  return false;
-}
-
-void PWL_SCROLL_PRIVATEDATA::AddSmall() {
-  if (!SetPos(fScrollPos + fSmallStep))
-    SetPos(ScrollRange.fMax);
-}
-
-void PWL_SCROLL_PRIVATEDATA::SubSmall() {
-  if (!SetPos(fScrollPos - fSmallStep))
-    SetPos(ScrollRange.fMin);
-}
-
-void PWL_SCROLL_PRIVATEDATA::AddBig() {
-  if (!SetPos(fScrollPos + fBigStep))
-    SetPos(ScrollRange.fMax);
-}
-
-void PWL_SCROLL_PRIVATEDATA::SubBig() {
-  if (!SetPos(fScrollPos - fBigStep))
-    SetPos(ScrollRange.fMin);
-}
-
-CPWL_SBButton::CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType,
-                             PWL_SBBUTTON_TYPE eButtonType) {
-  m_eScrollBarType = eScrollBarType;
-  m_eSBButtonType = eButtonType;
-
-  m_bMouseDown = false;
-}
-
-CPWL_SBButton::~CPWL_SBButton() {}
-
-CFX_ByteString CPWL_SBButton::GetClassName() const {
-  return "CPWL_SBButton";
-}
-
-void CPWL_SBButton::OnCreate(PWL_CREATEPARAM& cp) {
-  cp.eCursorType = FXCT_ARROW;
-}
-
-void CPWL_SBButton::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
-  CPWL_Wnd::GetThisAppearanceStream(sAppStream);
-
-  if (!IsVisible())
-    return;
-
-  CFX_ByteTextBuf sButton;
-
-  CFX_FloatRect rectWnd = GetWindowRect();
-
-  if (rectWnd.IsEmpty())
-    return;
-
-  sAppStream << "q\n";
-
-  CFX_PointF ptCenter = GetCenterPoint();
-
-  switch (m_eScrollBarType) {
-    case SBT_HSCROLL:
-      switch (m_eSBButtonType) {
-        case PSBT_MIN: {
-          CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
-          CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y + PWL_TRIANGLE_HALFLEN);
-          CFX_PointF pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y - PWL_TRIANGLE_HALFLEN);
-
-          if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
-              rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
-            sButton << "0 g\n";
-            sButton << pt1.x << " " << pt1.y << " m\n";
-            sButton << pt2.x << " " << pt2.y << " l\n";
-            sButton << pt3.x << " " << pt3.y << " l\n";
-            sButton << pt1.x << " " << pt1.y << " l f\n";
-
-            sAppStream << sButton;
-          }
-        } break;
-        case PSBT_MAX: {
-          CFX_PointF pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
-          CFX_PointF pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y + PWL_TRIANGLE_HALFLEN);
-          CFX_PointF pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y - PWL_TRIANGLE_HALFLEN);
-
-          if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
-              rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
-            sButton << "0 g\n";
-            sButton << pt1.x << " " << pt1.y << " m\n";
-            sButton << pt2.x << " " << pt2.y << " l\n";
-            sButton << pt3.x << " " << pt3.y << " l\n";
-            sButton << pt1.x << " " << pt1.y << " l f\n";
-
-            sAppStream << sButton;
-          }
-        } break;
-        default:
-          break;
-      }
-      break;
-    case SBT_VSCROLL:
-      switch (m_eSBButtonType) {
-        case PSBT_MIN: {
-          CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
-                         ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
-          CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
-                         ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
-          CFX_PointF pt3(ptCenter.x, ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
-
-          if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
-              rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
-            sButton << "0 g\n";
-            sButton << pt1.x << " " << pt1.y << " m\n";
-            sButton << pt2.x << " " << pt2.y << " l\n";
-            sButton << pt3.x << " " << pt3.y << " l\n";
-            sButton << pt1.x << " " << pt1.y << " l f\n";
-
-            sAppStream << sButton;
-          }
-        } break;
-        case PSBT_MAX: {
-          CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
-                         ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
-          CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
-                         ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
-          CFX_PointF pt3(ptCenter.x, ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
-
-          if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
-              rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
-            sButton << "0 g\n";
-            sButton << pt1.x << " " << pt1.y << " m\n";
-            sButton << pt2.x << " " << pt2.y << " l\n";
-            sButton << pt3.x << " " << pt3.y << " l\n";
-            sButton << pt1.x << " " << pt1.y << " l f\n";
-
-            sAppStream << sButton;
-          }
-        } break;
-        default:
-          break;
-      }
-      break;
-    default:
-      break;
-  }
-
-  sAppStream << "Q\n";
-}
-
-void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
-                                       CFX_Matrix* pUser2Device) {
-  if (!IsVisible())
-    return;
-
-  CFX_FloatRect rectWnd = GetWindowRect();
-  if (rectWnd.IsEmpty())
-    return;
-
-  CFX_PointF ptCenter = GetCenterPoint();
-  int32_t nTransparency = GetTransparency();
-
-  switch (m_eScrollBarType) {
-    case SBT_HSCROLL:
-      CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
-      switch (m_eSBButtonType) {
-        case PSBT_MIN: {
-          CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
-          CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y + PWL_TRIANGLE_HALFLEN);
-          CFX_PointF pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y - PWL_TRIANGLE_HALFLEN);
-
-          if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
-              rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
-            CFX_PathData path;
-            path.AppendPoint(pt1, FXPT_TYPE::MoveTo, false);
-            path.AppendPoint(pt2, FXPT_TYPE::LineTo, false);
-            path.AppendPoint(pt3, FXPT_TYPE::LineTo, false);
-            path.AppendPoint(pt1, FXPT_TYPE::LineTo, false);
-
-            pDevice->DrawPath(&path, pUser2Device, nullptr,
-                              PWL_DEFAULT_BLACKCOLOR.ToFXColor(nTransparency),
-                              0, FXFILL_ALTERNATE);
-          }
-        } break;
-        case PSBT_MAX: {
-          CFX_PointF pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
-          CFX_PointF pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y + PWL_TRIANGLE_HALFLEN);
-          CFX_PointF pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
-                         ptCenter.y - PWL_TRIANGLE_HALFLEN);
-
-          if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
-              rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
-            CFX_PathData path;
-            path.AppendPoint(pt1, FXPT_TYPE::MoveTo, false);
-            path.AppendPoint(pt2, FXPT_TYPE::LineTo, false);
-            path.AppendPoint(pt3, FXPT_TYPE::LineTo, false);
-            path.AppendPoint(pt1, FXPT_TYPE::LineTo, false);
-
-            pDevice->DrawPath(&path, pUser2Device, nullptr,
-                              PWL_DEFAULT_BLACKCOLOR.ToFXColor(nTransparency),
-                              0, FXFILL_ALTERNATE);
-          }
-        } break;
-        default:
-          break;
-      }
-      break;
-    case SBT_VSCROLL:
-      switch (m_eSBButtonType) {
-        case PSBT_MIN: {
-          // draw border
-          CFX_FloatRect rcDraw = rectWnd;
-          CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(nTransparency, 100, 100, 100),
-                                     0.0f);
-
-          // draw inner border
-          rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
-          CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(nTransparency, 255, 255, 255),
-                                     1.0f);
-
-          // draw background
-
-          rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f);
-
-          if (IsEnabled())
-            CPWL_Utils::DrawShadow(pDevice, pUser2Device, true, false, rcDraw,
-                                   nTransparency, 80, 220);
-          else
-            CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(255, 255, 255, 255));
-
-          // draw arrow
-
-          if (rectWnd.top - rectWnd.bottom > 6.0f) {
-            float fX = rectWnd.left + 1.5f;
-            float fY = rectWnd.bottom;
-            CFX_PointF pts[7] = {CFX_PointF(fX + 2.5f, fY + 4.0f),
-                                 CFX_PointF(fX + 2.5f, fY + 3.0f),
-                                 CFX_PointF(fX + 4.5f, fY + 5.0f),
-                                 CFX_PointF(fX + 6.5f, fY + 3.0f),
-                                 CFX_PointF(fX + 6.5f, fY + 4.0f),
-                                 CFX_PointF(fX + 4.5f, fY + 6.0f),
-                                 CFX_PointF(fX + 2.5f, fY + 4.0f)};
-
-            if (IsEnabled())
-              CPWL_Utils::DrawFillArea(
-                  pDevice, pUser2Device, pts, 7,
-                  ArgbEncode(nTransparency, 255, 255, 255));
-            else
-              CPWL_Utils::DrawFillArea(
-                  pDevice, pUser2Device, pts, 7,
-                  PWL_DEFAULT_HEAVYGRAYCOLOR.ToFXColor(255));
-          }
-        } break;
-        case PSBT_MAX: {
-          // draw border
-          CFX_FloatRect rcDraw = rectWnd;
-          CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(nTransparency, 100, 100, 100),
-                                     0.0f);
-
-          // draw inner border
-          rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
-          CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(nTransparency, 255, 255, 255),
-                                     1.0f);
-
-          // draw background
-          rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f);
-          if (IsEnabled())
-            CPWL_Utils::DrawShadow(pDevice, pUser2Device, true, false, rcDraw,
-                                   nTransparency, 80, 220);
-          else
-            CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(255, 255, 255, 255));
-
-          // draw arrow
-
-          if (rectWnd.top - rectWnd.bottom > 6.0f) {
-            float fX = rectWnd.left + 1.5f;
-            float fY = rectWnd.bottom;
-
-            CFX_PointF pts[7] = {CFX_PointF(fX + 2.5f, fY + 5.0f),
-                                 CFX_PointF(fX + 2.5f, fY + 6.0f),
-                                 CFX_PointF(fX + 4.5f, fY + 4.0f),
-                                 CFX_PointF(fX + 6.5f, fY + 6.0f),
-                                 CFX_PointF(fX + 6.5f, fY + 5.0f),
-                                 CFX_PointF(fX + 4.5f, fY + 3.0f),
-                                 CFX_PointF(fX + 2.5f, fY + 5.0f)};
-
-            if (IsEnabled())
-              CPWL_Utils::DrawFillArea(
-                  pDevice, pUser2Device, pts, 7,
-                  ArgbEncode(nTransparency, 255, 255, 255));
-            else
-              CPWL_Utils::DrawFillArea(
-                  pDevice, pUser2Device, pts, 7,
-                  PWL_DEFAULT_HEAVYGRAYCOLOR.ToFXColor(255));
-          }
-        } break;
-        case PSBT_POS: {
-          // draw border
-          CFX_FloatRect rcDraw = rectWnd;
-          CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(nTransparency, 100, 100, 100),
-                                     0.0f);
-
-          // draw inner border
-          rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
-          CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(nTransparency, 255, 255, 255),
-                                     1.0f);
-
-          if (IsEnabled()) {
-            // draw shadow effect
-
-            CFX_PointF ptTop = CFX_PointF(rectWnd.left, rectWnd.top - 1.0f);
-            CFX_PointF ptBottom =
-                CFX_PointF(rectWnd.left, rectWnd.bottom + 1.0f);
-
-            ptTop.x += 1.5f;
-            ptBottom.x += 1.5f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 210, 210, 210),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 220, 220, 220),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 240, 240, 240),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 240, 240, 240),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 210, 210, 210),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 180, 180, 180),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 150, 150, 150),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 150, 150, 150),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 180, 180, 180),
-                                       1.0f);
-
-            ptTop.x += 1.0f;
-            ptBottom.x += 1.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
-                                       ArgbEncode(nTransparency, 210, 210, 210),
-                                       1.0f);
-          } else {
-            CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
-                                     ArgbEncode(255, 255, 255, 255));
-          }
-
-          // draw friction
-
-          if (rectWnd.Height() > 8.0f) {
-            FX_COLORREF crStroke = ArgbEncode(nTransparency, 120, 120, 120);
-            if (!IsEnabled())
-              crStroke = PWL_DEFAULT_HEAVYGRAYCOLOR.ToFXColor(255);
-
-            float nFrictionWidth = 5.0f;
-            float nFrictionHeight = 5.5f;
-
-            CFX_PointF ptLeft =
-                CFX_PointF(ptCenter.x - nFrictionWidth / 2.0f,
-                           ptCenter.y - nFrictionHeight / 2.0f + 0.5f);
-            CFX_PointF ptRight =
-                CFX_PointF(ptCenter.x + nFrictionWidth / 2.0f,
-                           ptCenter.y - nFrictionHeight / 2.0f + 0.5f);
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
-                                       crStroke, 1.0f);
-
-            ptLeft.y += 2.0f;
-            ptRight.y += 2.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
-                                       crStroke, 1.0f);
-
-            ptLeft.y += 2.0f;
-            ptRight.y += 2.0f;
-
-            CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
-                                       crStroke, 1.0f);
-          }
-        } break;
-        default:
-          break;
-      }
-      break;
-    default:
-      break;
-  }
-}
-
-bool CPWL_SBButton::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
-  CPWL_Wnd::OnLButtonDown(point, nFlag);
-
-  if (CPWL_Wnd* pParent = GetParentWindow())
-    pParent->OnNotify(this, PNM_LBUTTONDOWN, 0, (intptr_t)&point);
-
-  m_bMouseDown = true;
-  SetCapture();
-
-  return true;
-}
-
-bool CPWL_SBButton::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) {
-  CPWL_Wnd::OnLButtonUp(point, nFlag);
-
-  if (CPWL_Wnd* pParent = GetParentWindow())
-    pParent->OnNotify(this, PNM_LBUTTONUP, 0, (intptr_t)&point);
-
-  m_bMouseDown = false;
-  ReleaseCapture();
-
-  return true;
-}
-
-bool CPWL_SBButton::OnMouseMove(const CFX_PointF& point, uint32_t nFlag) {
-  CPWL_Wnd::OnMouseMove(point, nFlag);
-
-  if (CPWL_Wnd* pParent = GetParentWindow()) {
-    pParent->OnNotify(this, PNM_MOUSEMOVE, 0, (intptr_t)&point);
-  }
-
-  return true;
-}
-
-CPWL_ScrollBar::CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType)
-    : m_sbType(sbType),
-      m_pMinButton(nullptr),
-      m_pMaxButton(nullptr),
-      m_pPosButton(nullptr),
-      m_bMouseDown(false),
-      m_bMinOrMax(false),
-      m_bNotifyForever(true) {}
-
-CPWL_ScrollBar::~CPWL_ScrollBar() {}
-
-CFX_ByteString CPWL_ScrollBar::GetClassName() const {
-  return "CPWL_ScrollBar";
-}
-
-void CPWL_ScrollBar::OnCreate(PWL_CREATEPARAM& cp) {
-  cp.eCursorType = FXCT_ARROW;
-}
-
-void CPWL_ScrollBar::OnDestroy() {
-  // Until cleanup takes place in the virtual destructor for CPWL_Wnd
-  // subclasses, implement the virtual OnDestroy method that does the
-  // cleanup first, then invokes the superclass OnDestroy ... gee,
-  // like a dtor would.
-  m_pMinButton.Release();
-  m_pMaxButton.Release();
-  m_pPosButton.Release();
-  CPWL_Wnd::OnDestroy();
-}
-
-void CPWL_ScrollBar::RePosChildWnd() {
-  CFX_FloatRect rcClient = GetClientRect();
-  CFX_FloatRect rcMinButton, rcMaxButton;
-  float fBWidth = 0;
-
-  switch (m_sbType) {
-    case SBT_HSCROLL:
-      if (rcClient.right - rcClient.left >
-          PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH +
-              2) {
-        rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom,
-                                    rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,
-                                    rcClient.top);
-        rcMaxButton =
-            CFX_FloatRect(rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,
-                          rcClient.bottom, rcClient.right, rcClient.top);
-      } else {
-        fBWidth = (rcClient.right - rcClient.left -
-                   PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) /
-                  2;
-
-        if (fBWidth > 0) {
-          rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom,
-                                      rcClient.left + fBWidth, rcClient.top);
-          rcMaxButton = CFX_FloatRect(rcClient.right - fBWidth, rcClient.bottom,
-                                      rcClient.right, rcClient.top);
-        } else {
-          SetVisible(false);
-        }
-      }
-      break;
-    case SBT_VSCROLL:
-      if (IsFloatBigger(rcClient.top - rcClient.bottom,
-                        PWL_SCROLLBAR_BUTTON_WIDTH * 2 +
-                            PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2)) {
-        rcMinButton = CFX_FloatRect(rcClient.left,
-                                    rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH,
-                                    rcClient.right, rcClient.top);
-        rcMaxButton =
-            CFX_FloatRect(rcClient.left, rcClient.bottom, rcClient.right,
-                          rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH);
-      } else {
-        fBWidth = (rcClient.top - rcClient.bottom -
-                   PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) /
-                  2;
-
-        if (IsFloatBigger(fBWidth, 0)) {
-          rcMinButton = CFX_FloatRect(rcClient.left, rcClient.top - fBWidth,
-                                      rcClient.right, rcClient.top);
-          rcMaxButton =
-              CFX_FloatRect(rcClient.left, rcClient.bottom, rcClient.right,
-                            rcClient.bottom + fBWidth);
-        } else {
-          SetVisible(false);
-        }
-      }
-      break;
-  }
-
-  if (m_pMinButton)
-    m_pMinButton->Move(rcMinButton, true, false);
-  if (m_pMaxButton)
-    m_pMaxButton->Move(rcMaxButton, true, false);
-  MovePosButton(false);
-}
-
-void CPWL_ScrollBar::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
-  CFX_FloatRect rectWnd = GetWindowRect();
-
-  if (IsVisible() && !rectWnd.IsEmpty()) {
-    CFX_ByteTextBuf sButton;
-
-    sButton << "q\n";
-    sButton << "0 w\n"
-            << CPWL_Utils::GetColorAppStream(GetBackgroundColor(), true)
-                   .AsStringC();
-    sButton << rectWnd.left << " " << rectWnd.bottom << " "
-            << rectWnd.right - rectWnd.left << " "
-            << rectWnd.top - rectWnd.bottom << " re b Q\n";
-
-    sAppStream << sButton;
-  }
-}
-
-void CPWL_ScrollBar::DrawThisAppearance(CFX_RenderDevice* pDevice,
-                                        CFX_Matrix* pUser2Device) {
-  CFX_FloatRect rectWnd = GetWindowRect();
-
-  if (IsVisible() && !rectWnd.IsEmpty()) {
-    CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rectWnd,
-                             GetBackgroundColor(), GetTransparency());
-
-    CPWL_Utils::DrawStrokeLine(
-        pDevice, pUser2Device,
-        CFX_PointF(rectWnd.left + 2.0f, rectWnd.top - 2.0f),
-        CFX_PointF(rectWnd.left + 2.0f, rectWnd.bottom + 2.0f),
-        ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f);
-
-    CPWL_Utils::DrawStrokeLine(
-        pDevice, pUser2Device,
-        CFX_PointF(rectWnd.right - 2.0f, rectWnd.top - 2.0f),
-        CFX_PointF(rectWnd.right - 2.0f, rectWnd.bottom + 2.0f),
-        ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f);
-  }
-}
-
-bool CPWL_ScrollBar::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
-  CPWL_Wnd::OnLButtonDown(point, nFlag);
-
-  if (HasFlag(PWS_AUTOTRANSPARENT)) {
-    if (GetTransparency() != 255) {
-      SetTransparency(255);
-      InvalidateRect();
-    }
-  }
-
-  CFX_FloatRect rcMinArea, rcMaxArea;
-
-  if (m_pPosButton && m_pPosButton->IsVisible()) {
-    CFX_FloatRect rcClient = GetClientRect();
-    CFX_FloatRect rcPosButton = m_pPosButton->GetWindowRect();
-
-    switch (m_sbType) {
-      case SBT_HSCROLL:
-        rcMinArea =
-            CFX_FloatRect(rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,
-                          rcClient.bottom, rcPosButton.left, rcClient.top);
-        rcMaxArea = CFX_FloatRect(rcPosButton.right, rcClient.bottom,
-                                  rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,
-                                  rcClient.top);
-
-        break;
-      case SBT_VSCROLL:
-        rcMinArea =
-            CFX_FloatRect(rcClient.left, rcPosButton.top, rcClient.right,
-                          rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH);
-        rcMaxArea = CFX_FloatRect(rcClient.left,
-                                  rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH,
-                                  rcClient.right, rcPosButton.bottom);
-        break;
-    }
-
-    rcMinArea.Normalize();
-    rcMaxArea.Normalize();
-
-    if (rcMinArea.Contains(point)) {
-      m_sData.SubBig();
-      MovePosButton(true);
-      NotifyScrollWindow();
-    }
-
-    if (rcMaxArea.Contains(point)) {
-      m_sData.AddBig();
-      MovePosButton(true);
-      NotifyScrollWindow();
-    }
-  }
-
-  return true;
-}
-
-bool CPWL_ScrollBar::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) {
-  CPWL_Wnd::OnLButtonUp(point, nFlag);
-
-  if (HasFlag(PWS_AUTOTRANSPARENT)) {
-    if (GetTransparency() != PWL_SCROLLBAR_TRANSPARENCY) {
-      SetTransparency(PWL_SCROLLBAR_TRANSPARENCY);
-      InvalidateRect();
-    }
-  }
-
-  EndTimer();
-  m_bMouseDown = false;
-
-  return true;
-}
-
-void CPWL_ScrollBar::OnNotify(CPWL_Wnd* pWnd,
-                              uint32_t msg,
-                              intptr_t wParam,
-                              intptr_t lParam) {
-  CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
-
-  switch (msg) {
-    case PNM_LBUTTONDOWN:
-      if (pWnd == m_pMinButton) {
-        OnMinButtonLBDown(*(CFX_PointF*)lParam);
-      }
-
-      if (pWnd == m_pMaxButton) {
-        OnMaxButtonLBDown(*(CFX_PointF*)lParam);
-      }
-
-      if (pWnd == m_pPosButton) {
-        OnPosButtonLBDown(*(CFX_PointF*)lParam);
-      }
-      break;
-    case PNM_LBUTTONUP:
-      if (pWnd == m_pMinButton) {
-        OnMinButtonLBUp(*(CFX_PointF*)lParam);
-      }
-
-      if (pWnd == m_pMaxButton) {
-        OnMaxButtonLBUp(*(CFX_PointF*)lParam);
-      }
-
-      if (pWnd == m_pPosButton) {
-        OnPosButtonLBUp(*(CFX_PointF*)lParam);
-      }
-      break;
-    case PNM_MOUSEMOVE:
-      if (pWnd == m_pMinButton) {
-        OnMinButtonMouseMove(*(CFX_PointF*)lParam);
-      }
-
-      if (pWnd == m_pMaxButton) {
-        OnMaxButtonMouseMove(*(CFX_PointF*)lParam);
-      }
-
-      if (pWnd == m_pPosButton) {
-        OnPosButtonMouseMove(*(CFX_PointF*)lParam);
-      }
-      break;
-    case PNM_SETSCROLLINFO: {
-      PWL_SCROLL_INFO* pInfo = reinterpret_cast<PWL_SCROLL_INFO*>(lParam);
-      if (pInfo && *pInfo != m_OriginInfo) {
-        m_OriginInfo = *pInfo;
-        float fMax =
-            pInfo->fContentMax - pInfo->fContentMin - pInfo->fPlateWidth;
-        fMax = fMax > 0.0f ? fMax : 0.0f;
-        SetScrollRange(0, fMax, pInfo->fPlateWidth);
-        SetScrollStep(pInfo->fBigStep, pInfo->fSmallStep);
-      }
-    } break;
-    case PNM_SETSCROLLPOS: {
-      float fPos = *(float*)lParam;
-      switch (m_sbType) {
-        case SBT_HSCROLL:
-          fPos = fPos - m_OriginInfo.fContentMin;
-          break;
-        case SBT_VSCROLL:
-          fPos = m_OriginInfo.fContentMax - fPos;
-          break;
-      }
-      SetScrollPos(fPos);
-    } break;
-  }
-}
-
-void CPWL_ScrollBar::CreateButtons(const PWL_CREATEPARAM& cp) {
-  PWL_CREATEPARAM scp = cp;
-  scp.pParentWnd = this;
-  scp.dwBorderWidth = 2;
-  scp.nBorderStyle = BorderStyle::BEVELED;
-
-  scp.dwFlags =
-      PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PWS_NOREFRESHCLIP;
-
-  if (!m_pMinButton) {
-    m_pMinButton = new CPWL_SBButton(m_sbType, PSBT_MIN);
-    m_pMinButton->Create(scp);
-  }
-
-  if (!m_pMaxButton) {
-    m_pMaxButton = new CPWL_SBButton(m_sbType, PSBT_MAX);
-    m_pMaxButton->Create(scp);
-  }
-
-  if (!m_pPosButton) {
-    m_pPosButton = new CPWL_SBButton(m_sbType, PSBT_POS);
-    m_pPosButton->SetVisible(false);
-    m_pPosButton->Create(scp);
-  }
-}
-
-float CPWL_ScrollBar::GetScrollBarWidth() const {
-  if (!IsVisible())
-    return 0;
-
-  return PWL_SCROLLBAR_WIDTH;
-}
-
-void CPWL_ScrollBar::SetScrollRange(float fMin,
-                                    float fMax,
-                                    float fClientWidth) {
-  if (m_pPosButton) {
-    m_sData.SetScrollRange(fMin, fMax);
-    m_sData.SetClientWidth(fClientWidth);
-
-    if (IsFloatSmaller(m_sData.ScrollRange.GetWidth(), 0.0f)) {
-      m_pPosButton->SetVisible(false);
-    } else {
-      m_pPosButton->SetVisible(true);
-      MovePosButton(true);
-    }
-  }
-}
-
-void CPWL_ScrollBar::SetScrollPos(float fPos) {
-  float fOldPos = m_sData.fScrollPos;
-
-  m_sData.SetPos(fPos);
-
-  if (!IsFloatEqual(m_sData.fScrollPos, fOldPos))
-    MovePosButton(true);
-}
-
-void CPWL_ScrollBar::SetScrollStep(float fBigStep, float fSmallStep) {
-  m_sData.SetBigStep(fBigStep);
-  m_sData.SetSmallStep(fSmallStep);
-}
-
-void CPWL_ScrollBar::MovePosButton(bool bRefresh) {
-  ASSERT(m_pMinButton);
-  ASSERT(m_pMaxButton);
-
-  if (m_pPosButton->IsVisible()) {
-    CFX_FloatRect rcClient;
-    CFX_FloatRect rcPosArea, rcPosButton;
-
-    rcClient = GetClientRect();
-    rcPosArea = GetScrollArea();
-
-    float fLeft, fRight, fTop, fBottom;
-
-    switch (m_sbType) {
-      case SBT_HSCROLL:
-        fLeft = TrueToFace(m_sData.fScrollPos);
-        fRight = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth);
-
-        if (fRight - fLeft < PWL_SCROLLBAR_POSBUTTON_MINWIDTH)
-          fRight = fLeft + PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
-
-        if (fRight > rcPosArea.right) {
-          fRight = rcPosArea.right;
-          fLeft = fRight - PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
-        }
-
-        rcPosButton =
-            CFX_FloatRect(fLeft, rcPosArea.bottom, fRight, rcPosArea.top);
-
-        break;
-      case SBT_VSCROLL:
-        fBottom = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth);
-        fTop = TrueToFace(m_sData.fScrollPos);
-
-        if (IsFloatSmaller(fTop - fBottom, PWL_SCROLLBAR_POSBUTTON_MINWIDTH))
-          fBottom = fTop - PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
-
-        if (IsFloatSmaller(fBottom, rcPosArea.bottom)) {
-          fBottom = rcPosArea.bottom;
-          fTop = fBottom + PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
-        }
-
-        rcPosButton =
-            CFX_FloatRect(rcPosArea.left, fBottom, rcPosArea.right, fTop);
-
-        break;
-    }
-
-    m_pPosButton->Move(rcPosButton, true, bRefresh);
-  }
-}
-
-void CPWL_ScrollBar::OnMinButtonLBDown(const CFX_PointF& point) {
-  m_sData.SubSmall();
-  MovePosButton(true);
-  NotifyScrollWindow();
-
-  m_bMinOrMax = true;
-
-  EndTimer();
-  BeginTimer(100);
-}
-
-void CPWL_ScrollBar::OnMinButtonLBUp(const CFX_PointF& point) {}
-
-void CPWL_ScrollBar::OnMinButtonMouseMove(const CFX_PointF& point) {}
-
-void CPWL_ScrollBar::OnMaxButtonLBDown(const CFX_PointF& point) {
-  m_sData.AddSmall();
-  MovePosButton(true);
-  NotifyScrollWindow();
-
-  m_bMinOrMax = false;
-
-  EndTimer();
-  BeginTimer(100);
-}
-
-void CPWL_ScrollBar::OnMaxButtonLBUp(const CFX_PointF& point) {}
-
-void CPWL_ScrollBar::OnMaxButtonMouseMove(const CFX_PointF& point) {}
-
-void CPWL_ScrollBar::OnPosButtonLBDown(const CFX_PointF& point) {
-  m_bMouseDown = true;
-
-  if (m_pPosButton) {
-    CFX_FloatRect rcPosButton = m_pPosButton->GetWindowRect();
-
-    switch (m_sbType) {
-      case SBT_HSCROLL:
-        m_nOldPos = point.x;
-        m_fOldPosButton = rcPosButton.left;
-        break;
-      case SBT_VSCROLL:
-        m_nOldPos = point.y;
-        m_fOldPosButton = rcPosButton.top;
-        break;
-    }
-  }
-}
-
-void CPWL_ScrollBar::OnPosButtonLBUp(const CFX_PointF& point) {
-  if (m_bMouseDown) {
-    if (!m_bNotifyForever)
-      NotifyScrollWindow();
-  }
-  m_bMouseDown = false;
-}
-
-void CPWL_ScrollBar::OnPosButtonMouseMove(const CFX_PointF& point) {
-  float fOldScrollPos = m_sData.fScrollPos;
-
-  float fNewPos = 0;
-
-  switch (m_sbType) {
-    case SBT_HSCROLL:
-      if (fabs(point.x - m_nOldPos) < 1)
-        return;
-      fNewPos = FaceToTrue(m_fOldPosButton + point.x - m_nOldPos);
-      break;
-    case SBT_VSCROLL:
-      if (fabs(point.y - m_nOldPos) < 1)
-        return;
-      fNewPos = FaceToTrue(m_fOldPosButton + point.y - m_nOldPos);
-      break;
-  }
-
-  if (m_bMouseDown) {
-    switch (m_sbType) {
-      case SBT_HSCROLL:
-
-        if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) {
-          fNewPos = m_sData.ScrollRange.fMin;
-        }
-
-        if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) {
-          fNewPos = m_sData.ScrollRange.fMax;
-        }
-
-        m_sData.SetPos(fNewPos);
-
-        break;
-      case SBT_VSCROLL:
-
-        if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) {
-          fNewPos = m_sData.ScrollRange.fMin;
-        }
-
-        if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) {
-          fNewPos = m_sData.ScrollRange.fMax;
-        }
-
-        m_sData.SetPos(fNewPos);
-
-        break;
-    }
-
-    if (!IsFloatEqual(fOldScrollPos, m_sData.fScrollPos)) {
-      MovePosButton(true);
-
-      if (m_bNotifyForever)
-        NotifyScrollWindow();
-    }
-  }
-}
-
-void CPWL_ScrollBar::NotifyScrollWindow() {
-  if (CPWL_Wnd* pParent = GetParentWindow()) {
-    float fPos;
-    switch (m_sbType) {
-      case SBT_HSCROLL:
-        fPos = m_OriginInfo.fContentMin + m_sData.fScrollPos;
-        break;
-      case SBT_VSCROLL:
-        fPos = m_OriginInfo.fContentMax - m_sData.fScrollPos;
-        break;
-    }
-    pParent->OnNotify(this, PNM_SCROLLWINDOW, (intptr_t)m_sbType,
-                      (intptr_t)&fPos);
-  }
-}
-
-CFX_FloatRect CPWL_ScrollBar::GetScrollArea() const {
-  CFX_FloatRect rcClient = GetClientRect();
-  CFX_FloatRect rcArea;
-
-  if (!m_pMinButton || !m_pMaxButton)
-    return rcClient;
-
-  CFX_FloatRect rcMin = m_pMinButton->GetWindowRect();
-  CFX_FloatRect rcMax = m_pMaxButton->GetWindowRect();
-
-  float fMinWidth = rcMin.right - rcMin.left;
-  float fMinHeight = rcMin.top - rcMin.bottom;
-  float fMaxWidth = rcMax.right - rcMax.left;
-  float fMaxHeight = rcMax.top - rcMax.bottom;
-
-  switch (m_sbType) {
-    case SBT_HSCROLL:
-      if (rcClient.right - rcClient.left > fMinWidth + fMaxWidth + 2) {
-        rcArea = CFX_FloatRect(rcClient.left + fMinWidth + 1, rcClient.bottom,
-                               rcClient.right - fMaxWidth - 1, rcClient.top);
-      } else {
-        rcArea = CFX_FloatRect(rcClient.left + fMinWidth + 1, rcClient.bottom,
-                               rcClient.left + fMinWidth + 1, rcClient.top);
-      }
-      break;
-    case SBT_VSCROLL:
-      if (rcClient.top - rcClient.bottom > fMinHeight + fMaxHeight + 2) {
-        rcArea = CFX_FloatRect(rcClient.left, rcClient.bottom + fMinHeight + 1,
-                               rcClient.right, rcClient.top - fMaxHeight - 1);
-      } else {
-        rcArea =
-            CFX_FloatRect(rcClient.left, rcClient.bottom + fMinHeight + 1,
-                          rcClient.right, rcClient.bottom + fMinHeight + 1);
-      }
-      break;
-  }
-
-  rcArea.Normalize();
-
-  return rcArea;
-}
-
-float CPWL_ScrollBar::TrueToFace(float fTrue) {
-  CFX_FloatRect rcPosArea;
-  rcPosArea = GetScrollArea();
-
-  float fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
-  fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
-
-  float fFace = 0;
-
-  switch (m_sbType) {
-    case SBT_HSCROLL:
-      fFace = rcPosArea.left +
-              fTrue * (rcPosArea.right - rcPosArea.left) / fFactWidth;
-      break;
-    case SBT_VSCROLL:
-      fFace = rcPosArea.top -
-              fTrue * (rcPosArea.top - rcPosArea.bottom) / fFactWidth;
-      break;
-  }
-
-  return fFace;
-}
-
-float CPWL_ScrollBar::FaceToTrue(float fFace) {
-  CFX_FloatRect rcPosArea;
-  rcPosArea = GetScrollArea();
-
-  float fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
-  fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
-
-  float fTrue = 0;
-
-  switch (m_sbType) {
-    case SBT_HSCROLL:
-      fTrue = (fFace - rcPosArea.left) * fFactWidth /
-              (rcPosArea.right - rcPosArea.left);
-      break;
-    case SBT_VSCROLL:
-      fTrue = (rcPosArea.top - fFace) * fFactWidth /
-              (rcPosArea.top - rcPosArea.bottom);
-      break;
-  }
-
-  return fTrue;
-}
-
-void CPWL_ScrollBar::CreateChildWnd(const PWL_CREATEPARAM& cp) {
-  CreateButtons(cp);
-}
-
-void CPWL_ScrollBar::TimerProc() {
-  PWL_SCROLL_PRIVATEDATA sTemp = m_sData;
-  if (m_bMinOrMax)
-    m_sData.SubSmall();
-  else
-    m_sData.AddSmall();
-
-  if (sTemp != m_sData) {
-    MovePosButton(true);
-    NotifyScrollWindow();
-  }
-}