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path: root/fpdfsdk/pdfwindow/PWL_ScrollBar.cpp
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-rw-r--r--fpdfsdk/pdfwindow/PWL_ScrollBar.cpp1197
1 files changed, 1197 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_ScrollBar.cpp b/fpdfsdk/pdfwindow/PWL_ScrollBar.cpp
new file mode 100644
index 0000000000..03bf3238fa
--- /dev/null
+++ b/fpdfsdk/pdfwindow/PWL_ScrollBar.cpp
@@ -0,0 +1,1197 @@
+// 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/include/pdfwindow/PWL_ScrollBar.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
+
+#define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001)
+#define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb))
+
+PWL_FLOATRANGE::PWL_FLOATRANGE() {
+ Default();
+}
+
+PWL_FLOATRANGE::PWL_FLOATRANGE(FX_FLOAT min, FX_FLOAT max) {
+ Set(min, max);
+}
+
+void PWL_FLOATRANGE::Default() {
+ fMin = 0;
+ fMax = 0;
+}
+
+void PWL_FLOATRANGE::Set(FX_FLOAT min, FX_FLOAT max) {
+ if (min > max) {
+ fMin = max;
+ fMax = min;
+ } else {
+ fMin = min;
+ fMax = max;
+ }
+}
+
+FX_BOOL PWL_FLOATRANGE::In(FX_FLOAT x) const {
+ return (IsFloatBigger(x, fMin) || IsFloatEqual(x, fMin)) &&
+ (IsFloatSmaller(x, fMax) || IsFloatEqual(x, fMax));
+}
+
+FX_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(FX_FLOAT min, FX_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(FX_FLOAT width) {
+ fClientWidth = width;
+}
+
+void PWL_SCROLL_PRIVATEDATA::SetSmallStep(FX_FLOAT step) {
+ fSmallStep = step;
+}
+
+void PWL_SCROLL_PRIVATEDATA::SetBigStep(FX_FLOAT step) {
+ fBigStep = step;
+}
+
+FX_BOOL PWL_SCROLL_PRIVATEDATA::SetPos(FX_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_FloatPoint ptCenter = GetCenterPoint();
+
+ switch (m_eScrollBarType) {
+ case SBT_HSCROLL:
+ switch (m_eSBButtonType) {
+ case PSBT_MIN: {
+ CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y);
+ CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y + PWL_TRIANGLE_HALFLEN);
+ CFX_FloatPoint 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_FloatPoint pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y);
+ CFX_FloatPoint pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y + PWL_TRIANGLE_HALFLEN);
+ CFX_FloatPoint 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_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
+ ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
+ CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
+ ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
+ CFX_FloatPoint 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_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
+ ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
+ CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
+ ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
+ CFX_FloatPoint 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_FloatPoint ptCenter = GetCenterPoint();
+ int32_t nTransparancy = GetTransparency();
+
+ switch (m_eScrollBarType) {
+ case SBT_HSCROLL:
+ CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
+ switch (m_eSBButtonType) {
+ case PSBT_MIN: {
+ CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y);
+ CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y + PWL_TRIANGLE_HALFLEN);
+ CFX_FloatPoint 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.SetPointCount(4);
+ path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
+ path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
+ path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
+ path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
+
+ pDevice->DrawPath(&path, pUser2Device, NULL,
+ CPWL_Utils::PWLColorToFXColor(
+ PWL_DEFAULT_BLACKCOLOR, nTransparancy),
+ 0, FXFILL_ALTERNATE);
+ }
+ } break;
+ case PSBT_MAX: {
+ CFX_FloatPoint pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y);
+ CFX_FloatPoint pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
+ ptCenter.y + PWL_TRIANGLE_HALFLEN);
+ CFX_FloatPoint 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.SetPointCount(4);
+ path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
+ path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
+ path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
+ path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
+
+ pDevice->DrawPath(&path, pUser2Device, NULL,
+ CPWL_Utils::PWLColorToFXColor(
+ PWL_DEFAULT_BLACKCOLOR, nTransparancy),
+ 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(nTransparancy, 100, 100, 100),
+ 0.0f);
+
+ // draw inner border
+ rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
+ CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
+ ArgbEncode(nTransparancy, 255, 255, 255),
+ 1.0f);
+
+ // draw background
+
+ rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f);
+
+ if (IsEnabled())
+ CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw,
+ nTransparancy, 80, 220);
+ else
+ CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
+ ArgbEncode(255, 255, 255, 255));
+
+ // draw arrow
+
+ if (rectWnd.top - rectWnd.bottom > 6.0f) {
+ FX_FLOAT fX = rectWnd.left + 1.5f;
+ FX_FLOAT fY = rectWnd.bottom;
+ CFX_FloatPoint pts[7] = {CFX_FloatPoint(fX + 2.5f, fY + 4.0f),
+ CFX_FloatPoint(fX + 2.5f, fY + 3.0f),
+ CFX_FloatPoint(fX + 4.5f, fY + 5.0f),
+ CFX_FloatPoint(fX + 6.5f, fY + 3.0f),
+ CFX_FloatPoint(fX + 6.5f, fY + 4.0f),
+ CFX_FloatPoint(fX + 4.5f, fY + 6.0f),
+ CFX_FloatPoint(fX + 2.5f, fY + 4.0f)};
+
+ if (IsEnabled())
+ CPWL_Utils::DrawFillArea(
+ pDevice, pUser2Device, pts, 7,
+ ArgbEncode(nTransparancy, 255, 255, 255));
+ else
+ CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7,
+ CPWL_Utils::PWLColorToFXColor(
+ PWL_DEFAULT_HEAVYGRAYCOLOR, 255));
+ }
+ } break;
+ case PSBT_MAX: {
+ // draw border
+ CFX_FloatRect rcDraw = rectWnd;
+ CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
+ ArgbEncode(nTransparancy, 100, 100, 100),
+ 0.0f);
+
+ // draw inner border
+ rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
+ CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
+ ArgbEncode(nTransparancy, 255, 255, 255),
+ 1.0f);
+
+ // draw background
+ rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f);
+ if (IsEnabled())
+ CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw,
+ nTransparancy, 80, 220);
+ else
+ CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
+ ArgbEncode(255, 255, 255, 255));
+
+ // draw arrow
+
+ if (rectWnd.top - rectWnd.bottom > 6.0f) {
+ FX_FLOAT fX = rectWnd.left + 1.5f;
+ FX_FLOAT fY = rectWnd.bottom;
+
+ CFX_FloatPoint pts[7] = {CFX_FloatPoint(fX + 2.5f, fY + 5.0f),
+ CFX_FloatPoint(fX + 2.5f, fY + 6.0f),
+ CFX_FloatPoint(fX + 4.5f, fY + 4.0f),
+ CFX_FloatPoint(fX + 6.5f, fY + 6.0f),
+ CFX_FloatPoint(fX + 6.5f, fY + 5.0f),
+ CFX_FloatPoint(fX + 4.5f, fY + 3.0f),
+ CFX_FloatPoint(fX + 2.5f, fY + 5.0f)};
+
+ if (IsEnabled())
+ CPWL_Utils::DrawFillArea(
+ pDevice, pUser2Device, pts, 7,
+ ArgbEncode(nTransparancy, 255, 255, 255));
+ else
+ CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7,
+ CPWL_Utils::PWLColorToFXColor(
+ PWL_DEFAULT_HEAVYGRAYCOLOR, 255));
+ }
+ } break;
+ case PSBT_POS: {
+ // draw border
+ CFX_FloatRect rcDraw = rectWnd;
+ CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
+ ArgbEncode(nTransparancy, 100, 100, 100),
+ 0.0f);
+
+ // draw inner border
+ rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
+ CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
+ ArgbEncode(nTransparancy, 255, 255, 255),
+ 1.0f);
+
+ if (IsEnabled()) {
+ // draw shadow effect
+
+ CFX_FloatPoint ptTop =
+ CFX_FloatPoint(rectWnd.left, rectWnd.top - 1.0f);
+ CFX_FloatPoint ptBottom =
+ CFX_FloatPoint(rectWnd.left, rectWnd.bottom + 1.0f);
+
+ ptTop.x += 1.5f;
+ ptBottom.x += 1.5f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 210, 210, 210),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 220, 220, 220),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 240, 240, 240),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 240, 240, 240),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 210, 210, 210),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 180, 180, 180),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 150, 150, 150),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 150, 150, 150),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 180, 180, 180),
+ 1.0f);
+
+ ptTop.x += 1.0f;
+ ptBottom.x += 1.0f;
+
+ CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
+ ArgbEncode(nTransparancy, 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(nTransparancy, 120, 120, 120);
+ if (!IsEnabled())
+ crStroke = CPWL_Utils::PWLColorToFXColor(
+ PWL_DEFAULT_HEAVYGRAYCOLOR, 255);
+
+ FX_FLOAT nFrictionWidth = 5.0f;
+ FX_FLOAT nFrictionHeight = 5.5f;
+
+ CFX_FloatPoint ptLeft =
+ CFX_FloatPoint(ptCenter.x - nFrictionWidth / 2.0f,
+ ptCenter.y - nFrictionHeight / 2.0f + 0.5f);
+ CFX_FloatPoint ptRight =
+ CFX_FloatPoint(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;
+ }
+}
+
+FX_BOOL CPWL_SBButton::OnLButtonDown(const CFX_FloatPoint& point,
+ FX_DWORD 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;
+}
+
+FX_BOOL CPWL_SBButton::OnLButtonUp(const CFX_FloatPoint& point,
+ FX_DWORD 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;
+}
+
+FX_BOOL CPWL_SBButton::OnMouseMove(const CFX_FloatPoint& point,
+ FX_DWORD 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(NULL),
+ m_pMaxButton(NULL),
+ m_pPosButton(NULL),
+ 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::RePosChildWnd() {
+ CFX_FloatRect rcClient = GetClientRect();
+ CFX_FloatRect rcMinButton, rcMaxButton;
+ FX_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);
+ 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_FloatPoint(rectWnd.left + 2.0f, rectWnd.top - 2.0f),
+ CFX_FloatPoint(rectWnd.left + 2.0f, rectWnd.bottom + 2.0f),
+ ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f);
+
+ CPWL_Utils::DrawStrokeLine(
+ pDevice, pUser2Device,
+ CFX_FloatPoint(rectWnd.right - 2.0f, rectWnd.top - 2.0f),
+ CFX_FloatPoint(rectWnd.right - 2.0f, rectWnd.bottom + 2.0f),
+ ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f);
+ }
+}
+
+FX_BOOL CPWL_ScrollBar::OnLButtonDown(const CFX_FloatPoint& point,
+ FX_DWORD 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.x, point.y)) {
+ m_sData.SubBig();
+ MovePosButton(TRUE);
+ NotifyScrollWindow();
+ }
+
+ if (rcMaxArea.Contains(point.x, point.y)) {
+ m_sData.AddBig();
+ MovePosButton(TRUE);
+ NotifyScrollWindow();
+ }
+ }
+
+ return TRUE;
+}
+
+FX_BOOL CPWL_ScrollBar::OnLButtonUp(const CFX_FloatPoint& point,
+ FX_DWORD nFlag) {
+ CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+ if (HasFlag(PWS_AUTOTRANSPARENT)) {
+ if (GetTransparency() != PWL_SCROLLBAR_TRANSPARANCY) {
+ SetTransparency(PWL_SCROLLBAR_TRANSPARANCY);
+ InvalidateRect();
+ }
+ }
+
+ EndTimer();
+ m_bMouseDown = FALSE;
+
+ return TRUE;
+}
+
+void CPWL_ScrollBar::OnNotify(CPWL_Wnd* pWnd,
+ FX_DWORD 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_FloatPoint*)lParam);
+ }
+
+ if (pWnd == m_pMaxButton) {
+ OnMaxButtonLBDown(*(CFX_FloatPoint*)lParam);
+ }
+
+ if (pWnd == m_pPosButton) {
+ OnPosButtonLBDown(*(CFX_FloatPoint*)lParam);
+ }
+ break;
+ case PNM_LBUTTONUP:
+ if (pWnd == m_pMinButton) {
+ OnMinButtonLBUp(*(CFX_FloatPoint*)lParam);
+ }
+
+ if (pWnd == m_pMaxButton) {
+ OnMaxButtonLBUp(*(CFX_FloatPoint*)lParam);
+ }
+
+ if (pWnd == m_pPosButton) {
+ OnPosButtonLBUp(*(CFX_FloatPoint*)lParam);
+ }
+ break;
+ case PNM_MOUSEMOVE:
+ if (pWnd == m_pMinButton) {
+ OnMinButtonMouseMove(*(CFX_FloatPoint*)lParam);
+ }
+
+ if (pWnd == m_pMaxButton) {
+ OnMaxButtonMouseMove(*(CFX_FloatPoint*)lParam);
+ }
+
+ if (pWnd == m_pPosButton) {
+ OnPosButtonMouseMove(*(CFX_FloatPoint*)lParam);
+ }
+ break;
+ case PNM_SETSCROLLINFO: {
+ if (PWL_SCROLL_INFO* pInfo = (PWL_SCROLL_INFO*)lParam) {
+ if (FXSYS_memcmp(&m_OriginInfo, pInfo, sizeof(PWL_SCROLL_INFO)) != 0) {
+ m_OriginInfo = *pInfo;
+ FX_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: {
+ FX_FLOAT fPos = *(FX_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 = PBS_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);
+ }
+}
+
+FX_FLOAT CPWL_ScrollBar::GetScrollBarWidth() const {
+ if (!IsVisible())
+ return 0;
+
+ return PWL_SCROLLBAR_WIDTH;
+}
+
+void CPWL_ScrollBar::SetScrollRange(FX_FLOAT fMin,
+ FX_FLOAT fMax,
+ FX_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(FX_FLOAT fPos) {
+ FX_FLOAT fOldPos = m_sData.fScrollPos;
+
+ m_sData.SetPos(fPos);
+
+ if (!IsFloatEqual(m_sData.fScrollPos, fOldPos))
+ MovePosButton(TRUE);
+}
+
+void CPWL_ScrollBar::SetScrollStep(FX_FLOAT fBigStep, FX_FLOAT fSmallStep) {
+ m_sData.SetBigStep(fBigStep);
+ m_sData.SetSmallStep(fSmallStep);
+}
+
+void CPWL_ScrollBar::MovePosButton(FX_BOOL bRefresh) {
+ ASSERT(m_pMinButton);
+ ASSERT(m_pMaxButton);
+
+ if (m_pPosButton->IsVisible()) {
+ CFX_FloatRect rcClient;
+ CFX_FloatRect rcPosArea, rcPosButton;
+
+ rcClient = GetClientRect();
+ rcPosArea = GetScrollArea();
+
+ FX_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_FloatPoint& point) {
+ m_sData.SubSmall();
+ MovePosButton(TRUE);
+ NotifyScrollWindow();
+
+ m_bMinOrMax = TRUE;
+
+ EndTimer();
+ BeginTimer(100);
+}
+
+void CPWL_ScrollBar::OnMinButtonLBUp(const CFX_FloatPoint& point) {}
+
+void CPWL_ScrollBar::OnMinButtonMouseMove(const CFX_FloatPoint& point) {}
+
+void CPWL_ScrollBar::OnMaxButtonLBDown(const CFX_FloatPoint& point) {
+ m_sData.AddSmall();
+ MovePosButton(TRUE);
+ NotifyScrollWindow();
+
+ m_bMinOrMax = FALSE;
+
+ EndTimer();
+ BeginTimer(100);
+}
+
+void CPWL_ScrollBar::OnMaxButtonLBUp(const CFX_FloatPoint& point) {}
+
+void CPWL_ScrollBar::OnMaxButtonMouseMove(const CFX_FloatPoint& point) {}
+
+void CPWL_ScrollBar::OnPosButtonLBDown(const CFX_FloatPoint& 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_FloatPoint& point) {
+ if (m_bMouseDown) {
+ if (!m_bNotifyForever)
+ NotifyScrollWindow();
+ }
+ m_bMouseDown = FALSE;
+}
+
+void CPWL_ScrollBar::OnPosButtonMouseMove(const CFX_FloatPoint& point) {
+ FX_FLOAT fOldScrollPos = m_sData.fScrollPos;
+
+ FX_FLOAT fNewPos = 0;
+
+ switch (m_sbType) {
+ case SBT_HSCROLL:
+ if (FXSYS_fabs(point.x - m_nOldPos) < 1)
+ return;
+ fNewPos = FaceToTrue(m_fOldPosButton + point.x - m_nOldPos);
+ break;
+ case SBT_VSCROLL:
+ if (FXSYS_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()) {
+ FX_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();
+
+ FX_FLOAT fMinWidth = rcMin.right - rcMin.left;
+ FX_FLOAT fMinHeight = rcMin.top - rcMin.bottom;
+ FX_FLOAT fMaxWidth = rcMax.right - rcMax.left;
+ FX_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;
+}
+
+FX_FLOAT CPWL_ScrollBar::TrueToFace(FX_FLOAT fTrue) {
+ CFX_FloatRect rcPosArea;
+ rcPosArea = GetScrollArea();
+
+ FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
+ fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
+
+ FX_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;
+}
+
+FX_FLOAT CPWL_ScrollBar::FaceToTrue(FX_FLOAT fFace) {
+ CFX_FloatRect rcPosArea;
+ rcPosArea = GetScrollArea();
+
+ FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
+ fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
+
+ FX_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 (FXSYS_memcmp(&m_sData, &sTemp, sizeof(PWL_SCROLL_PRIVATEDATA)) != 0) {
+ MovePosButton(TRUE);
+ NotifyScrollWindow();
+ }
+}