diff options
Diffstat (limited to 'xfa/fwl/basewidget/fwl_scrollbarimp.cpp')
| -rw-r--r-- | xfa/fwl/basewidget/fwl_scrollbarimp.cpp | 796 |
1 files changed, 0 insertions, 796 deletions
diff --git a/xfa/fwl/basewidget/fwl_scrollbarimp.cpp b/xfa/fwl/basewidget/fwl_scrollbarimp.cpp deleted file mode 100644 index 7e68ea2272..0000000000 --- a/xfa/fwl/basewidget/fwl_scrollbarimp.cpp +++ /dev/null @@ -1,796 +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 "xfa/fwl/basewidget/fwl_scrollbarimp.h" - -#include "xfa/fwl/basewidget/ifwl_scrollbar.h" -#include "xfa/fwl/core/cfwl_message.h" -#include "xfa/fwl/core/cfwl_themebackground.h" -#include "xfa/fwl/core/cfwl_themepart.h" -#include "xfa/fwl/core/fwl_noteimp.h" -#include "xfa/fwl/core/fwl_widgetimp.h" -#include "xfa/fwl/core/ifwl_themeprovider.h" - -#define FWL_SCROLLBAR_Elapse 500 -#define FWL_SCROLLBAR_MinThumb 5 - -// static -IFWL_ScrollBar* IFWL_ScrollBar::Create( - const CFWL_WidgetImpProperties& properties, - IFWL_Widget* pOuter) { - IFWL_ScrollBar* pScrollBar = new IFWL_ScrollBar; - CFWL_ScrollBarImp* pScrollBarImpl = new CFWL_ScrollBarImp(properties, pOuter); - pScrollBar->SetImpl(pScrollBarImpl); - pScrollBarImpl->SetInterface(pScrollBar); - return pScrollBar; -} -IFWL_ScrollBar::IFWL_ScrollBar() {} -FX_BOOL IFWL_ScrollBar::IsVertical() { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->IsVertical(); -} -FWL_Error IFWL_ScrollBar::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetRange(fMin, fMax); -} -FWL_Error IFWL_ScrollBar::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetRange(fMin, fMax); -} -FX_FLOAT IFWL_ScrollBar::GetPageSize() { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPageSize(); -} -FWL_Error IFWL_ScrollBar::SetPageSize(FX_FLOAT fPageSize) { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPageSize(fPageSize); -} -FX_FLOAT IFWL_ScrollBar::GetStepSize() { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetStepSize(); -} -FWL_Error IFWL_ScrollBar::SetStepSize(FX_FLOAT fStepSize) { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetStepSize(fStepSize); -} -FX_FLOAT IFWL_ScrollBar::GetPos() { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPos(); -} -FWL_Error IFWL_ScrollBar::SetPos(FX_FLOAT fPos) { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPos(fPos); -} -FX_FLOAT IFWL_ScrollBar::GetTrackPos() { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetTrackPos(); -} -FWL_Error IFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetTrackPos(fTrackPos); -} -FX_BOOL IFWL_ScrollBar::DoScroll(uint32_t dwCode, FX_FLOAT fPos) { - return static_cast<CFWL_ScrollBarImp*>(GetImpl())->DoScroll(dwCode, fPos); -} -CFWL_ScrollBarImp::CFWL_ScrollBarImp(const CFWL_WidgetImpProperties& properties, - IFWL_Widget* pOuter) - : CFWL_WidgetImp(properties, pOuter), - m_pTimerInfo(nullptr), - m_fRangeMin(0), - m_fRangeMax(-1), - m_fPageSize(0), - m_fStepSize(0), - m_fPos(0), - m_fTrackPos(0), - m_iMinButtonState(CFWL_PartState_Normal), - m_iMaxButtonState(CFWL_PartState_Normal), - m_iThumbButtonState(CFWL_PartState_Normal), - m_iMinTrackState(CFWL_PartState_Normal), - m_iMaxTrackState(CFWL_PartState_Normal), - m_fLastTrackPos(0), - m_cpTrackPointX(0), - m_cpTrackPointY(0), - m_iMouseWheel(0), - m_bTrackMouseLeave(FALSE), - m_bMouseHover(FALSE), - m_bMouseDown(FALSE), - m_bRepaintThumb(FALSE), - m_fButtonLen(0), - m_bMinSize(FALSE), - m_bCustomLayout(FALSE), - m_fMinThumb(FWL_SCROLLBAR_MinThumb) { - m_rtClient.Reset(); - m_rtThumb.Reset(); - m_rtMinBtn.Reset(); - m_rtMaxBtn.Reset(); - m_rtMinTrack.Reset(); - m_rtMaxTrack.Reset(); -} - -CFWL_ScrollBarImp::~CFWL_ScrollBarImp() {} - -FWL_Error CFWL_ScrollBarImp::GetClassName(CFX_WideString& wsClass) const { - wsClass = FWL_CLASS_ScrollBar; - return FWL_Error::Succeeded; -} - -FWL_Type CFWL_ScrollBarImp::GetClassID() const { - return FWL_Type::ScrollBar; -} - -FWL_Error CFWL_ScrollBarImp::Initialize() { - if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded) - return FWL_Error::Indefinite; - - m_pDelegate = new CFWL_ScrollBarImpDelegate(this); - return FWL_Error::Succeeded; -} - -FWL_Error CFWL_ScrollBarImp::Finalize() { - delete m_pDelegate; - m_pDelegate = nullptr; - return CFWL_WidgetImp::Finalize(); -} -FWL_Error CFWL_ScrollBarImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) { - if (bAutoSize) { - rect.Set(0, 0, 0, 0); - FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>( - GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); - if (!pfMinWidth) - return FWL_Error::Indefinite; - if (IsVertical()) { - rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3); - } else { - rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth)); - } - CFWL_WidgetImp::GetWidgetRect(rect, TRUE); - } else { - rect = m_pProperties->m_rtWidget; - } - return FWL_Error::Succeeded; -} -FWL_Error CFWL_ScrollBarImp::Update() { - if (IsLocked()) { - return FWL_Error::Indefinite; - } - if (!m_pProperties->m_pThemeProvider) { - m_pProperties->m_pThemeProvider = GetAvailableTheme(); - } - Layout(); - return FWL_Error::Succeeded; -} -FWL_Error CFWL_ScrollBarImp::DrawWidget(CFX_Graphics* pGraphics, - const CFX_Matrix* pMatrix) { - if (!pGraphics) - return FWL_Error::Indefinite; - if (!m_pProperties->m_pThemeProvider) - return FWL_Error::Indefinite; - IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; - if (HasBorder()) { - DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); - } - if (HasEdge()) { - DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); - } - DrawTrack(pGraphics, pTheme, TRUE, pMatrix); - DrawTrack(pGraphics, pTheme, FALSE, pMatrix); - DrawArrowBtn(pGraphics, pTheme, TRUE, pMatrix); - DrawArrowBtn(pGraphics, pTheme, FALSE, pMatrix); - DrawThumb(pGraphics, pTheme, pMatrix); - return FWL_Error::Succeeded; -} -inline FX_BOOL CFWL_ScrollBarImp::IsVertical() { - return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert; -} -FWL_Error CFWL_ScrollBarImp::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) { - fMin = m_fRangeMin; - fMax = m_fRangeMax; - return FWL_Error::Succeeded; -} -FWL_Error CFWL_ScrollBarImp::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) { - m_fRangeMin = fMin; - m_fRangeMax = fMax; - return FWL_Error::Succeeded; -} -FX_FLOAT CFWL_ScrollBarImp::GetPageSize() { - return m_fPageSize; -} -FWL_Error CFWL_ScrollBarImp::SetPageSize(FX_FLOAT fPageSize) { - m_fPageSize = fPageSize; - return FWL_Error::Succeeded; -} -FX_FLOAT CFWL_ScrollBarImp::GetStepSize() { - return m_fStepSize; -} -FWL_Error CFWL_ScrollBarImp::SetStepSize(FX_FLOAT fStepSize) { - m_fStepSize = fStepSize; - return FWL_Error::Succeeded; -} -FX_FLOAT CFWL_ScrollBarImp::GetPos() { - return m_fPos; -} -FWL_Error CFWL_ScrollBarImp::SetPos(FX_FLOAT fPos) { - m_fPos = fPos; - return FWL_Error::Succeeded; -} -FX_FLOAT CFWL_ScrollBarImp::GetTrackPos() { - return m_fTrackPos; -} -FWL_Error CFWL_ScrollBarImp::SetTrackPos(FX_FLOAT fTrackPos) { - m_fTrackPos = fTrackPos; - CalcThumbButtonRect(m_rtThumb); - CalcMinTrackRect(m_rtMinTrack); - CalcMaxTrackRect(m_rtMaxTrack); - return FWL_Error::Succeeded; -} -FX_BOOL CFWL_ScrollBarImp::DoScroll(uint32_t dwCode, FX_FLOAT fPos) { - switch (dwCode) { - case FWL_SCBCODE_Min: - case FWL_SCBCODE_Max: - case FWL_SCBCODE_PageBackward: - case FWL_SCBCODE_PageForward: - case FWL_SCBCODE_StepBackward: - break; - case FWL_SCBCODE_StepForward: - break; - case FWL_SCBCODE_Pos: - case FWL_SCBCODE_TrackPos: - case FWL_SCBCODE_EndScroll: - break; - default: { return FALSE; } - } - return OnScroll(dwCode, fPos); -} - -void CFWL_ScrollBarImp::Run(IFWL_TimerInfo* pTimerInfo) { - if (m_pTimerInfo) - m_pTimerInfo->StopTimer(); - - if (!SendEvent()) - m_pTimerInfo = StartTimer(0, true); -} - -FWL_Error CFWL_ScrollBarImp::SetOuter(IFWL_Widget* pOuter) { - m_pOuter = pOuter; - return FWL_Error::Succeeded; -} -void CFWL_ScrollBarImp::DrawTrack(CFX_Graphics* pGraphics, - IFWL_ThemeProvider* pTheme, - FX_BOOL bLower, - const CFX_Matrix* pMatrix) { - CFWL_ThemeBackground param; - param.m_pWidget = m_pInterface; - param.m_iPart = bLower ? CFWL_Part::LowerTrack : CFWL_Part::UpperTrack; - param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) - ? CFWL_PartState_Disabled - : (bLower ? m_iMinTrackState : m_iMaxTrackState); - param.m_pGraphics = pGraphics; - param.m_matrix.Concat(*pMatrix); - param.m_rtPart = bLower ? m_rtMinTrack : m_rtMaxTrack; - pTheme->DrawBackground(¶m); -} -void CFWL_ScrollBarImp::DrawArrowBtn(CFX_Graphics* pGraphics, - IFWL_ThemeProvider* pTheme, - FX_BOOL bMinBtn, - const CFX_Matrix* pMatrix) { - CFWL_ThemeBackground param; - param.m_pWidget = m_pInterface; - param.m_iPart = bMinBtn ? CFWL_Part::ForeArrow : CFWL_Part::BackArrow; - param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) - ? CFWL_PartState_Disabled - : (bMinBtn ? m_iMinButtonState : m_iMaxButtonState); - param.m_pGraphics = pGraphics; - param.m_matrix.Concat(*pMatrix); - param.m_rtPart = bMinBtn ? m_rtMinBtn : m_rtMaxBtn; - if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) { - pTheme->DrawBackground(¶m); - } -} -void CFWL_ScrollBarImp::DrawThumb(CFX_Graphics* pGraphics, - IFWL_ThemeProvider* pTheme, - const CFX_Matrix* pMatrix) { - CFWL_ThemeBackground param; - param.m_pWidget = m_pInterface; - param.m_iPart = CFWL_Part::Thumb; - param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) - ? CFWL_PartState_Disabled - : m_iThumbButtonState; - param.m_pGraphics = pGraphics; - param.m_matrix.Concat(*pMatrix); - param.m_rtPart = m_rtThumb; - pTheme->DrawBackground(¶m); -} -void CFWL_ScrollBarImp::Layout() { - IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; - CFWL_ThemePart part; - part.m_pWidget = m_pInterface; - m_fMinThumb = *static_cast<FX_FLOAT*>( - pTheme->GetCapacity(&part, CFWL_WidgetCapacity::Size)); - m_bCustomLayout = pTheme->IsCustomizedLayout(m_pInterface); - GetClientRect(m_rtClient); - CalcButtonLen(); - CalcMinButtonRect(m_rtMinBtn); - CalcMaxButtonRect(m_rtMaxBtn); - CalcThumbButtonRect(m_rtThumb); - CalcMinTrackRect(m_rtMinTrack); - CalcMaxTrackRect(m_rtMaxTrack); -} -void CFWL_ScrollBarImp::CalcButtonLen() { - m_fButtonLen = IsVertical() ? m_rtClient.width : m_rtClient.height; - FX_FLOAT fLength = IsVertical() ? m_rtClient.height : m_rtClient.width; - if (fLength < m_fButtonLen * 2) { - m_fButtonLen = fLength / 2; - m_bMinSize = TRUE; - } else { - m_bMinSize = FALSE; - } -} -void CFWL_ScrollBarImp::CalcMinButtonRect(CFX_RectF& rect) { - if (m_bCustomLayout) - return; - - rect.left = m_rtClient.left; - rect.top = m_rtClient.top; - rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen; - rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height; -} - -void CFWL_ScrollBarImp::CalcMaxButtonRect(CFX_RectF& rect) { - if (m_bCustomLayout) - return; - - rect.left = - IsVertical() ? m_rtClient.left : m_rtClient.right() - m_fButtonLen; - rect.top = IsVertical() ? m_rtClient.bottom() - m_fButtonLen : m_rtClient.top; - rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen; - rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height; -} - -void CFWL_ScrollBarImp::CalcThumbButtonRect(CFX_RectF& rect) { - if (!IsEnabled()) { - m_rtThumb.Reset(); - return; - } - if (m_bMinSize) { - m_rtThumb.Empty(); - return; - } - FX_FLOAT fRange = m_fRangeMax - m_fRangeMin; - memset(&rect, 0, sizeof(CFX_Rect)); - if (fRange < 0) { - if (IsVertical()) { - rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0); - } else { - rect.Set(m_rtMaxBtn.right(), m_rtClient.top, 0, m_rtClient.height); - } - return; - } - CFX_RectF rtClient = m_rtClient; - FX_FLOAT fLength = IsVertical() ? rtClient.height : rtClient.width; - FX_FLOAT fSize = m_fButtonLen; - if (m_bCustomLayout) { - if (IsVertical()) { - fLength = fLength - m_rtMinBtn.height - m_rtMaxBtn.height; - if (fLength < m_rtMinBtn.height || fLength < m_rtMaxBtn.height) { - fLength = 0.0f; - } - } else { - fLength = fLength - m_rtMinBtn.width - m_rtMaxBtn.width; - if (fLength < m_rtMinBtn.width || fLength < m_rtMaxBtn.width) { - fLength = 0.0f; - } - } - } else { - fLength -= fSize * 2.0f; - if (fLength < fSize) { - fLength = 0.0f; - } - } - FX_FLOAT fThumbSize = fLength * fLength / (fRange + fLength); - if (fThumbSize < m_fMinThumb) { - fThumbSize = m_fMinThumb; - } - FX_FLOAT fDiff = fLength - fThumbSize; - if (fDiff < 0.0f) { - fDiff = 0.0f; - } - FX_FLOAT fTrackPos = m_fTrackPos; - if (fTrackPos > m_fRangeMax) { - fTrackPos = m_fRangeMax; - } - if (fTrackPos < m_fRangeMin) { - fTrackPos = m_fRangeMin; - } - if (!fRange) - return; - if (m_bCustomLayout) { - FX_FLOAT iPos = fDiff * (fTrackPos - m_fRangeMin) / fRange; - rect.left = rtClient.left; - if (!IsVertical()) { - if ((m_rtMinBtn.right() == m_rtMaxBtn.left && m_rtMinBtn.width > 0 && - m_rtMaxBtn.width > 0) || - (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width)) { - rect.left += iPos; - } else { - rect.left += m_rtMinBtn.right() + iPos; - } - } - rect.top = rtClient.top; - if (IsVertical()) { - if ((m_rtMinBtn.bottom() == m_rtMaxBtn.top && m_rtMinBtn.height > 0 && - m_rtMaxBtn.height > 0) || - (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height)) { - rect.top += iPos; - } else { - rect.top += m_rtMinBtn.bottom() + iPos; - } - } - rect.width = IsVertical() ? rtClient.width : fThumbSize; - rect.height = IsVertical() ? fThumbSize : rtClient.height; - } else { - FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange; - rect.left = rtClient.left; - if (!IsVertical()) { - rect.left += iPos; - } - rect.top = rtClient.top; - if (IsVertical()) { - rect.top += iPos; - } - rect.width = IsVertical() ? rtClient.width : fThumbSize; - rect.height = IsVertical() ? fThumbSize : rtClient.height; - } -} -void CFWL_ScrollBarImp::CalcMinTrackRect(CFX_RectF& rect) { - if (m_bMinSize) { - rect.Empty(); - return; - } - FX_FLOAT fBottom = m_rtThumb.bottom(); - FX_FLOAT fRight = m_rtThumb.right(); - FX_FLOAT ix = (m_rtThumb.left + fRight) / 2; - FX_FLOAT iy = (m_rtThumb.top + fBottom) / 2; - rect.left = m_rtClient.left; - rect.top = m_rtClient.top; - FX_BOOL bVertical = IsVertical(); - rect.width = bVertical ? m_rtClient.width : ix; - rect.height = bVertical ? iy : m_rtClient.height; - if (m_bCustomLayout) { - if (bVertical) { - if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) { - rect.top = m_rtClient.top; - } else if (m_rtMinBtn.top < m_rtThumb.top) { - rect.top = m_rtMinBtn.bottom(); - rect.height -= (m_rtMinBtn.bottom() - m_rtClient.top); - } - } else { - if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) { - rect.left = m_rtClient.left; - } else if (m_rtMinBtn.left < m_rtThumb.left) { - rect.left = m_rtMinBtn.right(); - rect.width -= (m_rtMinBtn.right() - m_rtClient.left); - } - } - } -} -void CFWL_ScrollBarImp::CalcMaxTrackRect(CFX_RectF& rect) { - if (m_bMinSize) { - rect.Empty(); - return; - } - FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2; - FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2; - FX_BOOL bVertical = IsVertical(); - rect.left = bVertical ? m_rtClient.left : ix; - rect.top = bVertical ? iy : m_rtClient.top; - rect.width = bVertical ? m_rtClient.width : m_rtClient.right() - ix; - rect.height = bVertical ? m_rtClient.bottom() - iy : m_rtClient.height; - if (m_bCustomLayout) { - if (bVertical) { - if (m_rtMinBtn.top > m_rtThumb.top && m_rtMinBtn.height > 0 && - m_rtMaxBtn.height > 0) { - rect.height -= (m_rtClient.bottom() - m_rtMinBtn.top); - } else if (m_rtMinBtn.height > 0 && m_rtMaxBtn.height > 0) { - rect.height -= (m_rtClient.bottom() - m_rtMaxBtn.top); - } - } else { - if (m_rtMinBtn.left > m_rtThumb.left && m_rtMinBtn.width > 0 && - m_rtMaxBtn.width > 0) { - rect.width -= (m_rtClient.right() - m_rtMinBtn.left); - } else if (m_rtMinBtn.width > 0 && m_rtMaxBtn.width > 0) { - rect.width -= (m_rtClient.right() - m_rtMaxBtn.left); - } - } - } -} -FX_FLOAT CFWL_ScrollBarImp::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) { - FX_FLOAT fDiffX = fx - m_cpTrackPointX; - FX_FLOAT fDiffY = fy - m_cpTrackPointY; - FX_FLOAT fRange = m_fRangeMax - m_fRangeMin; - FX_FLOAT fPos; - if (m_bCustomLayout) { - if (IsVertical()) { - if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) { - fPos = fRange * fDiffY / (m_rtClient.height - m_rtThumb.height); - } else if (m_rtMinBtn.bottom() == m_rtMaxBtn.top) { - fPos = fRange * fDiffY / - (m_rtMinBtn.top - m_rtClient.top - m_rtThumb.height); - } else { - fPos = fRange * fDiffY / - (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height); - } - } else { - if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) { - fPos = fRange * fDiffX / (m_rtClient.width - m_rtThumb.width); - } else if (m_rtMinBtn.right() == m_rtMaxBtn.left) { - fPos = fRange * fDiffX / - (m_rtMinBtn.left - m_rtClient.left - m_rtThumb.width); - } else { - fPos = fRange * fDiffX / - (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width); - } - } - } else { - if (IsVertical()) { - fPos = fRange * fDiffY / - (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height); - } else { - fPos = fRange * fDiffX / - (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width); - } - } - fPos += m_fLastTrackPos; - if (fPos < m_fRangeMin) { - fPos = m_fRangeMin; - } - if (fPos > m_fRangeMax) { - fPos = m_fRangeMax; - } - return fPos; -} -void CFWL_ScrollBarImp::GetTrackRect(CFX_RectF& rect, FX_BOOL bLower) { - FX_BOOL bDisabled = m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled; - if (bDisabled || m_bCustomLayout) { - rect = bLower ? m_rtMinTrack : m_rtMaxTrack; - } else { - FX_FLOAT fW = m_rtThumb.width / 2; - FX_FLOAT fH = m_rtThumb.height / 2; - FX_BOOL bVert = IsVertical(); - if (bLower) { - if (bVert) { - FX_FLOAT fMinTrackHeight = m_rtMinTrack.height - fH - m_rtMinBtn.height; - fMinTrackHeight = (fMinTrackHeight >= 0.0f) ? fMinTrackHeight : 0.0f; - rect.Set(m_rtMinTrack.left, m_rtMinTrack.top + m_rtMinBtn.height, - m_rtMinTrack.width, fMinTrackHeight); - } else { - FX_FLOAT fMinTrackWidth = - m_rtMinTrack.width - fW - m_rtMinBtn.width + 2; - fMinTrackWidth = (fMinTrackWidth >= 0.0f) ? fMinTrackWidth : 0.0f; - rect.Set(m_rtMinTrack.left + m_rtMinBtn.width - 1, m_rtMinTrack.top, - fMinTrackWidth, m_rtMinTrack.height); - } - } else { - if (bVert) { - FX_FLOAT fMaxTrackHeight = m_rtMaxTrack.height - fH - m_rtMaxBtn.height; - fMaxTrackHeight = (fMaxTrackHeight >= 0.0f) ? fMaxTrackHeight : 0.0f; - rect.Set(m_rtMaxTrack.left, m_rtMaxTrack.top + fH, m_rtMaxTrack.width, - fMaxTrackHeight); - } else { - FX_FLOAT fMaxTrackWidth = - m_rtMaxTrack.width - fW - m_rtMaxBtn.width + 2; - fMaxTrackWidth = (fMaxTrackWidth >= 0.0f) ? fMaxTrackWidth : 0.0f; - rect.Set(m_rtMaxTrack.left + fW, m_rtMaxTrack.top, fMaxTrackWidth, - m_rtMaxTrack.height); - } - } - } -} -FX_BOOL CFWL_ScrollBarImp::SendEvent() { - if (m_iMinButtonState == CFWL_PartState_Pressed) { - DoScroll(FWL_SCBCODE_StepBackward, m_fTrackPos); - return FALSE; - } - if (m_iMaxButtonState == CFWL_PartState_Pressed) { - DoScroll(FWL_SCBCODE_StepForward, m_fTrackPos); - return FALSE; - } - if (m_iMinTrackState == CFWL_PartState_Pressed) { - DoScroll(FWL_SCBCODE_PageBackward, m_fTrackPos); - return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY); - } - if (m_iMaxTrackState == CFWL_PartState_Pressed) { - DoScroll(FWL_SCBCODE_PageForward, m_fTrackPos); - return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY); - } - if (m_iMouseWheel) { - uint16_t dwCode = - m_iMouseWheel < 0 ? FWL_SCBCODE_StepForward : FWL_SCBCODE_StepBackward; - DoScroll(dwCode, m_fTrackPos); - } - return TRUE; -} -FX_BOOL CFWL_ScrollBarImp::OnScroll(uint32_t dwCode, FX_FLOAT fPos) { - FX_BOOL bRet = TRUE; - CFWL_EvtScroll ev; - ev.m_iScrollCode = dwCode; - ev.m_pSrcTarget = m_pInterface; - ev.m_fPos = fPos; - ev.m_pRet = &bRet; - DispatchEvent(&ev); - return bRet; -} - -CFWL_ScrollBarImpDelegate::CFWL_ScrollBarImpDelegate(CFWL_ScrollBarImp* pOwner) - : m_pOwner(pOwner) {} - -void CFWL_ScrollBarImpDelegate::OnProcessMessage(CFWL_Message* pMessage) { - if (!pMessage) - return; - - CFWL_MessageType dwMsgCode = pMessage->GetClassID(); - if (dwMsgCode == CFWL_MessageType::Mouse) { - CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage); - switch (pMsg->m_dwCmd) { - case FWL_MouseCommand::LeftButtonDown: { - OnLButtonDown(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); - break; - } - case FWL_MouseCommand::LeftButtonUp: { - OnLButtonUp(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); - break; - } - case FWL_MouseCommand::Move: { - OnMouseMove(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy); - break; - } - case FWL_MouseCommand::Leave: { - OnMouseLeave(); - break; - } - default: { - break; - } - } - } else if (dwMsgCode == CFWL_MessageType::MouseWheel) { - CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage); - OnMouseWheel(pMsg->m_fx, pMsg->m_fy, pMsg->m_dwFlags, pMsg->m_fDeltaX, - pMsg->m_fDeltaY); - } -} - -void CFWL_ScrollBarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics, - const CFX_Matrix* pMatrix) { - m_pOwner->DrawWidget(pGraphics, pMatrix); -} - -void CFWL_ScrollBarImpDelegate::OnLButtonDown(uint32_t dwFlags, - FX_FLOAT fx, - FX_FLOAT fy) { - if (!m_pOwner->IsEnabled()) { - return; - } - m_pOwner->m_bMouseDown = TRUE; - m_pOwner->SetGrab(TRUE); - m_pOwner->m_cpTrackPointX = fx; - m_pOwner->m_cpTrackPointY = fy; - m_pOwner->m_fLastTrackPos = m_pOwner->m_fTrackPos; - if (m_pOwner->m_rtMinBtn.Contains(fx, fy)) { - DoMouseDown(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy); - } else { - if (m_pOwner->m_rtThumb.Contains(fx, fy)) { - DoMouseDown(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, - fy); - } else { - if (m_pOwner->m_rtMaxBtn.Contains(fx, fy)) { - DoMouseDown(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, - fy); - } else { - if (m_pOwner->m_rtMinTrack.Contains(fx, fy)) { - DoMouseDown(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, - fy); - } else { - DoMouseDown(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, - fy); - } - } - } - } - if (!m_pOwner->SendEvent()) - m_pOwner->m_pTimerInfo = m_pOwner->StartTimer(FWL_SCROLLBAR_Elapse, true); -} - -void CFWL_ScrollBarImpDelegate::OnLButtonUp(uint32_t dwFlags, - FX_FLOAT fx, - FX_FLOAT fy) { - m_pOwner->m_pTimerInfo->StopTimer(); - m_pOwner->m_bMouseDown = FALSE; - DoMouseUp(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy); - DoMouseUp(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy); - DoMouseUp(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy); - DoMouseUp(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy); - DoMouseUp(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy); - m_pOwner->SetGrab(FALSE); -} -void CFWL_ScrollBarImpDelegate::OnMouseMove(uint32_t dwFlags, - FX_FLOAT fx, - FX_FLOAT fy) { - DoMouseMove(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy); - DoMouseMove(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy); - DoMouseMove(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy); - DoMouseMove(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy); - DoMouseMove(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy); -} -void CFWL_ScrollBarImpDelegate::OnMouseLeave() { - DoMouseLeave(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState); - DoMouseLeave(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState); - DoMouseLeave(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState); - DoMouseLeave(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState); - DoMouseLeave(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState); -} -void CFWL_ScrollBarImpDelegate::OnMouseWheel(FX_FLOAT fx, - FX_FLOAT fy, - uint32_t dwFlags, - FX_FLOAT fDeltaX, - FX_FLOAT fDeltaY) { - m_pOwner->m_iMouseWheel = (int32_t)fDeltaX; - m_pOwner->SendEvent(); - m_pOwner->m_iMouseWheel = 0; -} -void CFWL_ScrollBarImpDelegate::DoMouseDown(int32_t iItem, - const CFX_RectF& rtItem, - int32_t& iState, - FX_FLOAT fx, - FX_FLOAT fy) { - if (!rtItem.Contains(fx, fy)) { - return; - } - if (iState == CFWL_PartState_Pressed) { - return; - } - iState = CFWL_PartState_Pressed; - m_pOwner->Repaint(&rtItem); -} -void CFWL_ScrollBarImpDelegate::DoMouseUp(int32_t iItem, - const CFX_RectF& rtItem, - int32_t& iState, - FX_FLOAT fx, - FX_FLOAT fy) { - int32_t iNewState = - rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered : CFWL_PartState_Normal; - if (iState == iNewState) { - return; - } - iState = iNewState; - m_pOwner->Repaint(&rtItem); - m_pOwner->OnScroll(FWL_SCBCODE_EndScroll, m_pOwner->m_fTrackPos); -} -void CFWL_ScrollBarImpDelegate::DoMouseMove(int32_t iItem, - const CFX_RectF& rtItem, - int32_t& iState, - FX_FLOAT fx, - FX_FLOAT fy) { - if (!m_pOwner->m_bMouseDown) { - int32_t iNewState = rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered - : CFWL_PartState_Normal; - if (iState == iNewState) { - return; - } - iState = iNewState; - m_pOwner->Repaint(&rtItem); - } else if ((2 == iItem) && - (m_pOwner->m_iThumbButtonState == CFWL_PartState_Pressed)) { - FX_FLOAT fPos = m_pOwner->GetTrackPointPos(fx, fy); - m_pOwner->m_fTrackPos = fPos; - m_pOwner->OnScroll(FWL_SCBCODE_TrackPos, fPos); - } -} -void CFWL_ScrollBarImpDelegate::DoMouseLeave(int32_t iItem, - const CFX_RectF& rtItem, - int32_t& iState) { - if (iState == CFWL_PartState_Normal) { - return; - } - iState = CFWL_PartState_Normal; - m_pOwner->Repaint(&rtItem); -} -void CFWL_ScrollBarImpDelegate::DoMouseHover(int32_t iItem, - const CFX_RectF& rtItem, - int32_t& iState) { - if (iState == CFWL_PartState_Hovered) { - return; - } - iState = CFWL_PartState_Hovered; - m_pOwner->Repaint(&rtItem); -} |