diff options
Diffstat (limited to 'fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp')
| -rw-r--r-- | fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp | 881 |
1 files changed, 0 insertions, 881 deletions
diff --git a/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp b/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp deleted file mode 100644 index c607ee795e..0000000000 --- a/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp +++ /dev/null @@ -1,881 +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/cpwl_scroll_bar.h" - -#include <algorithm> -#include <sstream> -#include <vector> - -#include "core/fxge/cfx_pathdata.h" -#include "core/fxge/cfx_renderdevice.h" -#include "fpdfsdk/pdfwindow/cpwl_wnd.h" - -namespace { - -constexpr float kButtonWidth = 9.0f; -constexpr float kPosButtonMinWidth = 2.0f; -constexpr float kTriangleHalfLength = 2.0f; - -} // namespace - -#define PWL_DEFAULT_HEAVYGRAYCOLOR CFX_Color(COLORTYPE_GRAY, 0.50) - -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::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(); - - if (m_eScrollBarType == SBT_HSCROLL) { - CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device); - - CFX_PointF pt1; - CFX_PointF pt2; - CFX_PointF pt3; - if (m_eSBButtonType == PSBT_MIN) { - pt1 = CFX_PointF(ptCenter.x - kTriangleHalfLength * 0.5f, ptCenter.y); - pt2 = CFX_PointF(ptCenter.x + kTriangleHalfLength * 0.5f, - ptCenter.y + kTriangleHalfLength); - pt3 = CFX_PointF(ptCenter.x + kTriangleHalfLength * 0.5f, - ptCenter.y - kTriangleHalfLength); - } else if (m_eSBButtonType == PSBT_MAX) { - pt1 = CFX_PointF(ptCenter.x + kTriangleHalfLength * 0.5f, ptCenter.y); - pt2 = CFX_PointF(ptCenter.x - kTriangleHalfLength * 0.5f, - ptCenter.y + kTriangleHalfLength); - pt3 = CFX_PointF(ptCenter.x - kTriangleHalfLength * 0.5f, - ptCenter.y - kTriangleHalfLength); - } - - if (rectWnd.right - rectWnd.left > kTriangleHalfLength * 2 && - rectWnd.top - rectWnd.bottom > kTriangleHalfLength) { - 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); - } - return; - } - - // draw border - pDevice->DrawStrokeRect(pUser2Device, rectWnd, - ArgbEncode(nTransparency, 100, 100, 100), 0.0f); - pDevice->DrawStrokeRect(pUser2Device, rectWnd.GetDeflated(0.5f, 0.5f), - ArgbEncode(nTransparency, 255, 255, 255), 1.0f); - - if (m_eSBButtonType != PSBT_POS) { - // draw background - if (IsEnabled()) { - pDevice->DrawShadow(pUser2Device, true, false, - rectWnd.GetDeflated(1.0f, 1.0f), nTransparency, 80, - 220); - } else { - pDevice->DrawFillRect(pUser2Device, rectWnd.GetDeflated(1.0f, 1.0f), - ArgbEncode(255, 255, 255, 255)); - } - - // draw arrow - if (rectWnd.top - rectWnd.bottom > 6.0f) { - float fX = rectWnd.left + 1.5f; - float fY = rectWnd.bottom; - std::vector<CFX_PointF> pts; - if (m_eSBButtonType == PSBT_MIN) { - pts.push_back(CFX_PointF(fX + 2.5f, fY + 4.0f)); - pts.push_back(CFX_PointF(fX + 2.5f, fY + 3.0f)); - pts.push_back(CFX_PointF(fX + 4.5f, fY + 5.0f)); - pts.push_back(CFX_PointF(fX + 6.5f, fY + 3.0f)); - pts.push_back(CFX_PointF(fX + 6.5f, fY + 4.0f)); - pts.push_back(CFX_PointF(fX + 4.5f, fY + 6.0f)); - pts.push_back(CFX_PointF(fX + 2.5f, fY + 4.0f)); - } else { - pts.push_back(CFX_PointF(fX + 2.5f, fY + 5.0f)); - pts.push_back(CFX_PointF(fX + 2.5f, fY + 6.0f)); - pts.push_back(CFX_PointF(fX + 4.5f, fY + 4.0f)); - pts.push_back(CFX_PointF(fX + 6.5f, fY + 6.0f)); - pts.push_back(CFX_PointF(fX + 6.5f, fY + 5.0f)); - pts.push_back(CFX_PointF(fX + 4.5f, fY + 3.0f)); - pts.push_back(CFX_PointF(fX + 2.5f, fY + 5.0f)); - } - pDevice->DrawFillArea(pUser2Device, pts.data(), 7, - IsEnabled() - ? ArgbEncode(nTransparency, 255, 255, 255) - : PWL_DEFAULT_HEAVYGRAYCOLOR.ToFXColor(255)); - } - return; - } - - 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; - - const FX_COLORREF refs[] = {ArgbEncode(nTransparency, 210, 210, 210), - ArgbEncode(nTransparency, 220, 220, 220), - ArgbEncode(nTransparency, 240, 240, 240), - ArgbEncode(nTransparency, 240, 240, 240), - ArgbEncode(nTransparency, 210, 210, 210), - ArgbEncode(nTransparency, 180, 180, 180), - ArgbEncode(nTransparency, 150, 150, 150), - ArgbEncode(nTransparency, 150, 150, 150), - ArgbEncode(nTransparency, 180, 180, 180), - ArgbEncode(nTransparency, 210, 210, 210)}; - for (FX_COLORREF ref : refs) { - pDevice->DrawStrokeLine(pUser2Device, ptTop, ptBottom, ref, 1.0f); - - ptTop.x += 1.0f; - ptBottom.x += 1.0f; - } - } else { - pDevice->DrawFillRect(pUser2Device, rectWnd.GetDeflated(0.5f, 0.5f), - ArgbEncode(255, 255, 255, 255)); - } - - // draw friction - if (rectWnd.Height() <= 8.0f) - return; - - 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); - - for (size_t i = 0; i < 3; ++i) { - pDevice->DrawStrokeLine(pUser2Device, ptLeft, ptRight, crStroke, 1.0f); - ptLeft.y += 2.0f; - ptRight.y += 2.0f; - } -} - -bool CPWL_SBButton::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) { - CPWL_Wnd::OnLButtonDown(point, nFlag); - - if (CPWL_Wnd* pParent = GetParentWindow()) - pParent->NotifyLButtonDown(this, 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->NotifyLButtonUp(this, 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->NotifyMouseMove(this, 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 > - kButtonWidth * 2 + kPosButtonMinWidth + 2) { - rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom, - rcClient.left + kButtonWidth, rcClient.top); - rcMaxButton = - CFX_FloatRect(rcClient.right - kButtonWidth, rcClient.bottom, - rcClient.right, rcClient.top); - } else { - fBWidth = (rcClient.right - rcClient.left - kPosButtonMinWidth - 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, - kButtonWidth * 2 + kPosButtonMinWidth + 2)) { - rcMinButton = CFX_FloatRect(rcClient.left, rcClient.top - kButtonWidth, - rcClient.right, rcClient.top); - rcMaxButton = - CFX_FloatRect(rcClient.left, rcClient.bottom, rcClient.right, - rcClient.bottom + kButtonWidth); - } else { - fBWidth = (rcClient.top - rcClient.bottom - kPosButtonMinWidth - 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::DrawThisAppearance(CFX_RenderDevice* pDevice, - CFX_Matrix* pUser2Device) { - CFX_FloatRect rectWnd = GetWindowRect(); - - if (IsVisible() && !rectWnd.IsEmpty()) { - pDevice->DrawFillRect(pUser2Device, rectWnd, GetBackgroundColor(), - GetTransparency()); - - pDevice->DrawStrokeLine( - 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); - - pDevice->DrawStrokeLine( - 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 + kButtonWidth, rcClient.bottom, - rcPosButton.left, rcClient.top); - rcMaxArea = CFX_FloatRect(rcPosButton.right, rcClient.bottom, - rcClient.right - kButtonWidth, rcClient.top); - - break; - case SBT_VSCROLL: - rcMinArea = CFX_FloatRect(rcClient.left, rcPosButton.top, - rcClient.right, rcClient.top - kButtonWidth); - rcMaxArea = CFX_FloatRect(rcClient.left, rcClient.bottom + kButtonWidth, - 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::SetScrollInfo(const PWL_SCROLL_INFO& info) { - if (info == m_OriginInfo) - return; - - m_OriginInfo = info; - float fMax = - std::max(0.0f, info.fContentMax - info.fContentMin - info.fPlateWidth); - SetScrollRange(0, fMax, info.fPlateWidth); - SetScrollStep(info.fBigStep, info.fSmallStep); -} - -void CPWL_ScrollBar::SetScrollPosition(float pos) { - switch (m_sbType) { - case SBT_HSCROLL: - pos = pos - m_OriginInfo.fContentMin; - break; - case SBT_VSCROLL: - pos = m_OriginInfo.fContentMax - pos; - break; - } - SetScrollPos(pos); -} - -void CPWL_ScrollBar::NotifyLButtonDown(CPWL_Wnd* child, const CFX_PointF& pos) { - if (child == m_pMinButton) - OnMinButtonLBDown(pos); - else if (child == m_pMaxButton) - OnMaxButtonLBDown(pos); - else if (child == m_pPosButton) - OnPosButtonLBDown(pos); -} - -void CPWL_ScrollBar::NotifyLButtonUp(CPWL_Wnd* child, const CFX_PointF& pos) { - if (child == m_pMinButton) - OnMinButtonLBUp(pos); - else if (child == m_pMaxButton) - OnMaxButtonLBUp(pos); - else if (child == m_pPosButton) - OnPosButtonLBUp(pos); -} - -void CPWL_ScrollBar::NotifyMouseMove(CPWL_Wnd* child, const CFX_PointF& pos) { - if (child == m_pMinButton) - OnMinButtonMouseMove(pos); - else if (child == m_pMaxButton) - OnMaxButtonMouseMove(pos); - else if (child == m_pPosButton) - OnPosButtonMouseMove(pos); -} - -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 < kPosButtonMinWidth) - fRight = fLeft + kPosButtonMinWidth; - - if (fRight > rcPosArea.right) { - fRight = rcPosArea.right; - fLeft = fRight - kPosButtonMinWidth; - } - - 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, kPosButtonMinWidth)) - fBottom = fTop - kPosButtonMinWidth; - - if (IsFloatSmaller(fBottom, rcPosArea.bottom)) { - fBottom = rcPosArea.bottom; - fTop = fBottom + kPosButtonMinWidth; - } - - 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() { - CPWL_Wnd* pParent = GetParentWindow(); - if (!pParent || m_sbType != SBT_VSCROLL) - return; - - pParent->ScrollWindowVertically(m_OriginInfo.fContentMax - - m_sData.fScrollPos); -} - -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(); - } -} |