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-rw-r--r--xfa/fwl/cfwl_scrollbar.cpp129
-rw-r--r--xfa/fwl/cfwl_scrollbar.h10
2 files changed, 78 insertions, 61 deletions
diff --git a/xfa/fwl/cfwl_scrollbar.cpp b/xfa/fwl/cfwl_scrollbar.cpp
index 60876e3135..016afd6d36 100644
--- a/xfa/fwl/cfwl_scrollbar.cpp
+++ b/xfa/fwl/cfwl_scrollbar.cpp
@@ -90,9 +90,9 @@ void CFWL_ScrollBar::DrawWidget(CFX_Graphics* pGraphics,
void CFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) {
m_fTrackPos = fTrackPos;
- CalcThumbButtonRect(m_rtThumb);
- CalcMinTrackRect(m_rtMinTrack);
- CalcMaxTrackRect(m_rtMaxTrack);
+ m_rtThumb = CalcThumbButtonRect(m_rtThumb);
+ m_rtMinTrack = CalcMinTrackRect(m_rtMinTrack);
+ m_rtMaxTrack = CalcMaxTrackRect(m_rtMaxTrack);
}
bool CFWL_ScrollBar::DoScroll(CFWL_EventScroll::Code dwCode, FX_FLOAT fPos) {
@@ -157,11 +157,11 @@ void CFWL_ScrollBar::Layout() {
pTheme->GetCapacity(&part, CFWL_WidgetCapacity::Size));
m_rtClient = GetClientRect();
CalcButtonLen();
- CalcMinButtonRect(m_rtMinBtn);
- CalcMaxButtonRect(m_rtMaxBtn);
- CalcThumbButtonRect(m_rtThumb);
- CalcMinTrackRect(m_rtMinTrack);
- CalcMaxTrackRect(m_rtMaxTrack);
+ m_rtMinBtn = CalcMinButtonRect();
+ m_rtMaxBtn = CalcMaxButtonRect();
+ m_rtThumb = CalcThumbButtonRect(m_rtThumb);
+ m_rtMinTrack = CalcMinTrackRect(m_rtMinTrack);
+ m_rtMaxTrack = CalcMaxTrackRect(m_rtMaxTrack);
}
void CFWL_ScrollBar::CalcButtonLen() {
@@ -175,39 +175,47 @@ void CFWL_ScrollBar::CalcButtonLen() {
}
}
-void CFWL_ScrollBar::CalcMinButtonRect(CFX_RectF& rect) {
- 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;
+CFX_RectF CFWL_ScrollBar::CalcMinButtonRect() {
+ CFX_RectF rect;
+ if (IsVertical())
+ rect.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width, m_fButtonLen);
+ else
+ rect.Set(m_rtClient.left, m_rtClient.top, m_fButtonLen, m_rtClient.height);
+ return rect;
}
-void CFWL_ScrollBar::CalcMaxButtonRect(CFX_RectF& rect) {
- 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;
+CFX_RectF CFWL_ScrollBar::CalcMaxButtonRect() {
+ CFX_RectF rect;
+ if (IsVertical()) {
+ rect.Set(m_rtClient.left, m_rtClient.bottom() - m_fButtonLen,
+ m_rtClient.width, m_fButtonLen);
+ } else {
+ rect.Set(m_rtClient.right() - m_fButtonLen, m_rtClient.top, m_fButtonLen,
+ m_rtClient.height);
+ }
+ return rect;
}
-void CFWL_ScrollBar::CalcThumbButtonRect(CFX_RectF& rect) {
- if (!IsEnabled()) {
- m_rtThumb.Reset();
- return;
- }
+CFX_RectF CFWL_ScrollBar::CalcThumbButtonRect(const CFX_RectF& rtThumb) {
+ CFX_RectF rect;
+ rect.Reset();
+
+ if (!IsEnabled())
+ return rect;
+
if (m_bMinSize) {
- m_rtThumb.Empty();
- return;
+ rect.left = rtThumb.left;
+ rect.top = rtThumb.top;
+ return rect;
}
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;
+ return rect;
}
CFX_RectF rtClient = m_rtClient;
@@ -224,51 +232,60 @@ void CFWL_ScrollBar::CalcThumbButtonRect(CFX_RectF& rect) {
FX_FLOAT fTrackPos =
std::max(std::min(m_fTrackPos, m_fRangeMax), m_fRangeMin);
if (!fRange)
- return;
+ return rect;
FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange;
rect.left = rtClient.left;
- 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;
+ rect.width = rtClient.width;
+ rect.height = fThumbSize;
+ } else {
+ rect.left += iPos;
+ rect.width = fThumbSize;
+ rect.height = rtClient.height;
+ }
+ return rect;
}
-void CFWL_ScrollBar::CalcMinTrackRect(CFX_RectF& rect) {
+CFX_RectF CFWL_ScrollBar::CalcMinTrackRect(const CFX_RectF& rtMinRect) {
+ CFX_RectF rect;
+ rect.Reset();
+
if (m_bMinSize) {
- rect.Empty();
- return;
+ rect.left = rtMinRect.left;
+ rect.top = rtMinRect.top;
+ return rect;
}
- 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;
- bool bVertical = IsVertical();
- rect.width = bVertical ? m_rtClient.width : ix;
- rect.height = bVertical ? iy : m_rtClient.height;
+ if (IsVertical()) {
+ rect.width = m_rtClient.width;
+ rect.height = (m_rtThumb.top + m_rtThumb.bottom()) / 2;
+ } else {
+ rect.width = (m_rtThumb.left + m_rtThumb.right()) / 2;
+ rect.height = m_rtClient.height;
+ }
+ return rect;
}
-void CFWL_ScrollBar::CalcMaxTrackRect(CFX_RectF& rect) {
+CFX_RectF CFWL_ScrollBar::CalcMaxTrackRect(const CFX_RectF& rtMaxRect) {
+ CFX_RectF rect;
if (m_bMinSize) {
- rect.Empty();
- return;
+ rect.Set(rtMaxRect.left, rtMaxRect.top, 0, 0);
+ return rect;
}
- FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2;
- FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2;
- 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 (IsVertical()) {
+ FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2;
+ rect.Set(m_rtClient.left, iy, m_rtClient.width, m_rtClient.bottom() - iy);
+ } else {
+ FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2;
+ rect.Set(ix, m_rtClient.top, m_rtClient.height - ix, m_rtClient.height);
+ }
+ return rect;
}
FX_FLOAT CFWL_ScrollBar::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) {
diff --git a/xfa/fwl/cfwl_scrollbar.h b/xfa/fwl/cfwl_scrollbar.h
index 808975ed81..40beb7a3b9 100644
--- a/xfa/fwl/cfwl_scrollbar.h
+++ b/xfa/fwl/cfwl_scrollbar.h
@@ -79,11 +79,11 @@ class CFWL_ScrollBar : public CFWL_Widget {
const CFX_Matrix* pMatrix);
void Layout();
void CalcButtonLen();
- void CalcMinButtonRect(CFX_RectF& rect);
- void CalcMaxButtonRect(CFX_RectF& rect);
- void CalcThumbButtonRect(CFX_RectF& rect);
- void CalcMinTrackRect(CFX_RectF& rect);
- void CalcMaxTrackRect(CFX_RectF& rect);
+ CFX_RectF CalcMinButtonRect();
+ CFX_RectF CalcMaxButtonRect();
+ CFX_RectF CalcThumbButtonRect(const CFX_RectF& rtThumbRect);
+ CFX_RectF CalcMinTrackRect(const CFX_RectF& rtMinRect);
+ CFX_RectF CalcMaxTrackRect(const CFX_RectF& rtMaxRect);
FX_FLOAT GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy);
bool SendEvent();