diff options
Diffstat (limited to 'xfa/fwl/core/ifwl_scrollbar.cpp')
| -rw-r--r-- | xfa/fwl/core/ifwl_scrollbar.cpp | 223 |
1 files changed, 104 insertions, 119 deletions
diff --git a/xfa/fwl/core/ifwl_scrollbar.cpp b/xfa/fwl/core/ifwl_scrollbar.cpp index c651abecb1..db2164be23 100644 --- a/xfa/fwl/core/ifwl_scrollbar.cpp +++ b/xfa/fwl/core/ifwl_scrollbar.cpp @@ -59,30 +59,29 @@ FWL_Type IFWL_ScrollBar::GetClassID() const { } void IFWL_ScrollBar::GetWidgetRect(CFX_RectF& rect, bool bAutoSize) { - if (bAutoSize) { - rect.Set(0, 0, 0, 0); - FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>( - GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); - if (!pfMinWidth) - return; - if (IsVertical()) { - rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3); - } else { - rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth)); - } - IFWL_Widget::GetWidgetRect(rect, true); - } else { + if (!bAutoSize) { rect = m_pProperties->m_rtWidget; + return; } + + rect.Set(0, 0, 0, 0); + FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>( + GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth)); + if (!pfMinWidth) + return; + if (IsVertical()) + rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3); + else + rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth)); + IFWL_Widget::GetWidgetRect(rect, true); } void IFWL_ScrollBar::Update() { - if (IsLocked()) { + if (IsLocked()) return; - } - if (!m_pProperties->m_pThemeProvider) { + if (!m_pProperties->m_pThemeProvider) m_pProperties->m_pThemeProvider = GetAvailableTheme(); - } + Layout(); } @@ -92,13 +91,12 @@ void IFWL_ScrollBar::DrawWidget(CFX_Graphics* pGraphics, return; if (!m_pProperties->m_pThemeProvider) return; + IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider; - if (HasBorder()) { + if (HasBorder()) DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix); - } - if (HasEdge()) { + if (HasEdge()) DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix); - } DrawTrack(pGraphics, pTheme, true, pMatrix); DrawTrack(pGraphics, pTheme, false, pMatrix); DrawArrowBtn(pGraphics, pTheme, true, pMatrix); @@ -148,9 +146,8 @@ void IFWL_ScrollBar::DrawArrowBtn(CFX_Graphics* pGraphics, 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) { + if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) pTheme->DrawBackground(¶m); - } } void IFWL_ScrollBar::DrawThumb(CFX_Graphics* pGraphics, @@ -225,54 +222,45 @@ void IFWL_ScrollBar::CalcThumbButtonRect(CFX_RectF& rect) { m_rtThumb.Empty(); return; } + FX_FLOAT fRange = m_fRangeMax - m_fRangeMin; memset(&rect, 0, sizeof(CFX_Rect)); if (fRange < 0) { - if (IsVertical()) { + if (IsVertical()) rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0); - } else { + 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) { + 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) { + if (fLength < m_rtMinBtn.width || fLength < m_rtMaxBtn.width) fLength = 0.0f; - } } } else { fLength -= fSize * 2.0f; - if (fLength < fSize) { + 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; - } + fThumbSize = std::max(fThumbSize, m_fMinThumb); + + FX_FLOAT fDiff = std::max(fLength - fThumbSize, 0.0f); + FX_FLOAT fTrackPos = + std::max(std::min(m_fTrackPos, m_fRangeMax), m_fRangeMin); if (!fRange) return; + if (m_bCustomLayout) { FX_FLOAT iPos = fDiff * (fTrackPos - m_fRangeMin) / fRange; rect.left = rtClient.left; @@ -300,13 +288,13 @@ void IFWL_ScrollBar::CalcThumbButtonRect(CFX_RectF& rect) { } else { FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange; rect.left = rtClient.left; - if (!IsVertical()) { + if (!IsVertical()) rect.left += iPos; - } + rect.top = rtClient.top; - if (IsVertical()) { + if (IsVertical()) rect.top += iPos; - } + rect.width = IsVertical() ? rtClient.width : fThumbSize; rect.height = IsVertical() ? fThumbSize : rtClient.height; } @@ -317,6 +305,7 @@ void IFWL_ScrollBar::CalcMinTrackRect(CFX_RectF& rect) { rect.Empty(); return; } + FX_FLOAT fBottom = m_rtThumb.bottom(); FX_FLOAT fRight = m_rtThumb.right(); FX_FLOAT ix = (m_rtThumb.left + fRight) / 2; @@ -326,22 +315,21 @@ void IFWL_ScrollBar::CalcMinTrackRect(CFX_RectF& rect) { 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); - } + if (!m_bCustomLayout) + return; + + if (bVertical) { + if (m_rtMinBtn.height == 0 && m_rtMaxBtn.height == 0) { + 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 (m_rtMinBtn.width == 0 && m_rtMaxBtn.width == 0) { + 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); } } @@ -350,6 +338,7 @@ void IFWL_ScrollBar::CalcMaxTrackRect(CFX_RectF& rect) { rect.Empty(); return; } + FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2; FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2; bool bVertical = IsVertical(); @@ -357,22 +346,21 @@ void IFWL_ScrollBar::CalcMaxTrackRect(CFX_RectF& rect) { 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); - } + if (!m_bCustomLayout) + return; + + 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); } } @@ -383,7 +371,7 @@ FX_FLOAT IFWL_ScrollBar::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) { FX_FLOAT fPos; if (m_bCustomLayout) { if (IsVertical()) { - if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) { + if (m_rtMinBtn.height == 0 && m_rtMaxBtn.height == 0) { fPos = fRange * fDiffY / (m_rtClient.height - m_rtThumb.height); } else if (m_rtMinBtn.bottom() == m_rtMaxBtn.top) { fPos = fRange * fDiffY / @@ -393,7 +381,7 @@ FX_FLOAT IFWL_ScrollBar::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) { (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height); } } else { - if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) { + if (m_rtMinBtn.width == 0 && m_rtMaxBtn.width == 0) { fPos = fRange * fDiffX / (m_rtClient.width - m_rtThumb.width); } else if (m_rtMinBtn.right() == m_rtMaxBtn.left) { fPos = fRange * fDiffX / @@ -413,51 +401,47 @@ FX_FLOAT IFWL_ScrollBar::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) { } } fPos += m_fLastTrackPos; - if (fPos < m_fRangeMin) { - fPos = m_fRangeMin; - } - if (fPos > m_fRangeMax) { - fPos = m_fRangeMax; - } - return fPos; + return std::min(std::max(fPos, m_fRangeMin), m_fRangeMax); } void IFWL_ScrollBar::GetTrackRect(CFX_RectF& rect, bool bLower) { 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; - 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); - } + return; + } + + FX_FLOAT fW = m_rtThumb.width / 2; + FX_FLOAT fH = m_rtThumb.height / 2; + 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); + return; } + + 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); + return; + } + + 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); + return; } + + 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); } bool IFWL_ScrollBar::SendEvent() { @@ -601,6 +585,7 @@ void IFWL_ScrollBar::DoMouseDown(int32_t iItem, return; if (iState == CFWL_PartState_Pressed) return; + iState = CFWL_PartState_Pressed; Repaint(&rtItem); } |