| // 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; |
| |
| CPDF_Rect rectWnd = GetWindowRect(); |
| |
| if (rectWnd.IsEmpty()) |
| return; |
| |
| sAppStream << "q\n"; |
| |
| CPDF_Point ptCenter = GetCenterPoint(); |
| |
| switch (m_eScrollBarType) { |
| case SBT_HSCROLL: |
| switch (m_eSBButtonType) { |
| case PSBT_MIN: { |
| CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y); |
| CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, |
| ptCenter.y + PWL_TRIANGLE_HALFLEN); |
| CPDF_Point 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: { |
| CPDF_Point pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y); |
| CPDF_Point pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, |
| ptCenter.y + PWL_TRIANGLE_HALFLEN); |
| CPDF_Point 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: { |
| CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN, |
| ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); |
| CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN, |
| ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f); |
| CPDF_Point 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: { |
| CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN, |
| ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); |
| CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN, |
| ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f); |
| CPDF_Point 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; |
| |
| CPDF_Rect rectWnd = GetWindowRect(); |
| if (rectWnd.IsEmpty()) |
| return; |
| |
| CPDF_Point ptCenter = GetCenterPoint(); |
| int32_t nTransparancy = GetTransparency(); |
| |
| switch (m_eScrollBarType) { |
| case SBT_HSCROLL: |
| CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device); |
| switch (m_eSBButtonType) { |
| case PSBT_MIN: { |
| CPDF_Point pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y); |
| CPDF_Point pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, |
| ptCenter.y + PWL_TRIANGLE_HALFLEN); |
| CPDF_Point 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: { |
| CPDF_Point pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y); |
| CPDF_Point pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, |
| ptCenter.y + PWL_TRIANGLE_HALFLEN); |
| CPDF_Point 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 |
| CPDF_Rect 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; |
| CPDF_Point pts[7] = {CPDF_Point(fX + 2.5f, fY + 4.0f), |
| CPDF_Point(fX + 2.5f, fY + 3.0f), |
| CPDF_Point(fX + 4.5f, fY + 5.0f), |
| CPDF_Point(fX + 6.5f, fY + 3.0f), |
| CPDF_Point(fX + 6.5f, fY + 4.0f), |
| CPDF_Point(fX + 4.5f, fY + 6.0f), |
| CPDF_Point(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 |
| CPDF_Rect 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; |
| |
| CPDF_Point pts[7] = {CPDF_Point(fX + 2.5f, fY + 5.0f), |
| CPDF_Point(fX + 2.5f, fY + 6.0f), |
| CPDF_Point(fX + 4.5f, fY + 4.0f), |
| CPDF_Point(fX + 6.5f, fY + 6.0f), |
| CPDF_Point(fX + 6.5f, fY + 5.0f), |
| CPDF_Point(fX + 4.5f, fY + 3.0f), |
| CPDF_Point(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 |
| CPDF_Rect 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 |
| |
| CPDF_Point ptTop = CPDF_Point(rectWnd.left, rectWnd.top - 1.0f); |
| CPDF_Point ptBottom = |
| CPDF_Point(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; |
| |
| CPDF_Point ptLeft = |
| CPDF_Point(ptCenter.x - nFrictionWidth / 2.0f, |
| ptCenter.y - nFrictionHeight / 2.0f + 0.5f); |
| CPDF_Point ptRight = |
| CPDF_Point(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 CPDF_Point& 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 CPDF_Point& 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 CPDF_Point& 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() { |
| CPDF_Rect rcClient = GetClientRect(); |
| CPDF_Rect 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 = |
| CPDF_Rect(rcClient.left, rcClient.bottom, |
| rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH, rcClient.top); |
| rcMaxButton = CPDF_Rect(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 = CPDF_Rect(rcClient.left, rcClient.bottom, |
| rcClient.left + fBWidth, rcClient.top); |
| rcMaxButton = CPDF_Rect(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 = |
| CPDF_Rect(rcClient.left, rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH, |
| rcClient.right, rcClient.top); |
| rcMaxButton = CPDF_Rect(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 = CPDF_Rect(rcClient.left, rcClient.top - fBWidth, |
| rcClient.right, rcClient.top); |
| rcMaxButton = CPDF_Rect(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) { |
| CPDF_Rect 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) { |
| CPDF_Rect rectWnd = GetWindowRect(); |
| |
| if (IsVisible() && !rectWnd.IsEmpty()) { |
| CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rectWnd, |
| GetBackgroundColor(), GetTransparency()); |
| |
| CPWL_Utils::DrawStrokeLine( |
| pDevice, pUser2Device, |
| CPDF_Point(rectWnd.left + 2.0f, rectWnd.top - 2.0f), |
| CPDF_Point(rectWnd.left + 2.0f, rectWnd.bottom + 2.0f), |
| ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f); |
| |
| CPWL_Utils::DrawStrokeLine( |
| pDevice, pUser2Device, |
| CPDF_Point(rectWnd.right - 2.0f, rectWnd.top - 2.0f), |
| CPDF_Point(rectWnd.right - 2.0f, rectWnd.bottom + 2.0f), |
| ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f); |
| } |
| } |
| |
| FX_BOOL CPWL_ScrollBar::OnLButtonDown(const CPDF_Point& point, FX_DWORD nFlag) { |
| CPWL_Wnd::OnLButtonDown(point, nFlag); |
| |
| if (HasFlag(PWS_AUTOTRANSPARENT)) { |
| if (GetTransparency() != 255) { |
| SetTransparency(255); |
| InvalidateRect(); |
| } |
| } |
| |
| CPDF_Rect rcMinArea, rcMaxArea; |
| |
| if (m_pPosButton && m_pPosButton->IsVisible()) { |
| CPDF_Rect rcClient = GetClientRect(); |
| CPDF_Rect rcPosButton = m_pPosButton->GetWindowRect(); |
| |
| switch (m_sbType) { |
| case SBT_HSCROLL: |
| rcMinArea = CPDF_Rect(rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH, |
| rcClient.bottom, rcPosButton.left, rcClient.top); |
| rcMaxArea = CPDF_Rect(rcPosButton.right, rcClient.bottom, |
| rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH, |
| rcClient.top); |
| |
| break; |
| case SBT_VSCROLL: |
| rcMinArea = CPDF_Rect(rcClient.left, rcPosButton.top, rcClient.right, |
| rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH); |
| rcMaxArea = CPDF_Rect(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 CPDF_Point& 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(*(CPDF_Point*)lParam); |
| } |
| |
| if (pWnd == m_pMaxButton) { |
| OnMaxButtonLBDown(*(CPDF_Point*)lParam); |
| } |
| |
| if (pWnd == m_pPosButton) { |
| OnPosButtonLBDown(*(CPDF_Point*)lParam); |
| } |
| break; |
| case PNM_LBUTTONUP: |
| if (pWnd == m_pMinButton) { |
| OnMinButtonLBUp(*(CPDF_Point*)lParam); |
| } |
| |
| if (pWnd == m_pMaxButton) { |
| OnMaxButtonLBUp(*(CPDF_Point*)lParam); |
| } |
| |
| if (pWnd == m_pPosButton) { |
| OnPosButtonLBUp(*(CPDF_Point*)lParam); |
| } |
| break; |
| case PNM_MOUSEMOVE: |
| if (pWnd == m_pMinButton) { |
| OnMinButtonMouseMove(*(CPDF_Point*)lParam); |
| } |
| |
| if (pWnd == m_pMaxButton) { |
| OnMaxButtonMouseMove(*(CPDF_Point*)lParam); |
| } |
| |
| if (pWnd == m_pPosButton) { |
| OnPosButtonMouseMove(*(CPDF_Point*)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()) { |
| CPDF_Rect rcClient; |
| CPDF_Rect 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 = CPDF_Rect(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 = CPDF_Rect(rcPosArea.left, fBottom, rcPosArea.right, fTop); |
| |
| break; |
| } |
| |
| m_pPosButton->Move(rcPosButton, TRUE, bRefresh); |
| } |
| } |
| |
| void CPWL_ScrollBar::OnMinButtonLBDown(const CPDF_Point& point) { |
| m_sData.SubSmall(); |
| MovePosButton(TRUE); |
| NotifyScrollWindow(); |
| |
| m_bMinOrMax = TRUE; |
| |
| EndTimer(); |
| BeginTimer(100); |
| } |
| |
| void CPWL_ScrollBar::OnMinButtonLBUp(const CPDF_Point& point) {} |
| |
| void CPWL_ScrollBar::OnMinButtonMouseMove(const CPDF_Point& point) {} |
| |
| void CPWL_ScrollBar::OnMaxButtonLBDown(const CPDF_Point& point) { |
| m_sData.AddSmall(); |
| MovePosButton(TRUE); |
| NotifyScrollWindow(); |
| |
| m_bMinOrMax = FALSE; |
| |
| EndTimer(); |
| BeginTimer(100); |
| } |
| |
| void CPWL_ScrollBar::OnMaxButtonLBUp(const CPDF_Point& point) {} |
| |
| void CPWL_ScrollBar::OnMaxButtonMouseMove(const CPDF_Point& point) {} |
| |
| void CPWL_ScrollBar::OnPosButtonLBDown(const CPDF_Point& point) { |
| m_bMouseDown = TRUE; |
| |
| if (m_pPosButton) { |
| CPDF_Rect 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 CPDF_Point& point) { |
| if (m_bMouseDown) { |
| if (!m_bNotifyForever) |
| NotifyScrollWindow(); |
| } |
| m_bMouseDown = FALSE; |
| } |
| |
| void CPWL_ScrollBar::OnPosButtonMouseMove(const CPDF_Point& 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); |
| } |
| } |
| |
| CPDF_Rect CPWL_ScrollBar::GetScrollArea() const { |
| CPDF_Rect rcClient = GetClientRect(); |
| CPDF_Rect rcArea; |
| |
| if (!m_pMinButton || !m_pMaxButton) |
| return rcClient; |
| |
| CPDF_Rect rcMin = m_pMinButton->GetWindowRect(); |
| CPDF_Rect 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 = CPDF_Rect(rcClient.left + fMinWidth + 1, rcClient.bottom, |
| rcClient.right - fMaxWidth - 1, rcClient.top); |
| } else { |
| rcArea = CPDF_Rect(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 = CPDF_Rect(rcClient.left, rcClient.bottom + fMinHeight + 1, |
| rcClient.right, rcClient.top - fMaxHeight - 1); |
| } else { |
| rcArea = CPDF_Rect(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) { |
| CPDF_Rect 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) { |
| CPDF_Rect 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(); |
| } |
| } |