summaryrefslogtreecommitdiff
path: root/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp')
-rw-r--r--fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp160
1 files changed, 79 insertions, 81 deletions
diff --git a/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp b/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp
index fdbe8fcb02..888525855b 100644
--- a/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp
@@ -14,6 +14,16 @@
#include "fpdfsdk/pdfwindow/cpwl_utils.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 CPWL_Color(COLORTYPE_GRAY, 0.50)
+
PWL_FLOATRANGE::PWL_FLOATRANGE() {
Default();
}
@@ -143,14 +153,14 @@ void CPWL_SBButton::GetThisAppearanceStream(std::ostringstream* psAppStream) {
case SBT_HSCROLL:
switch (m_eSBButtonType) {
case PSBT_MIN: {
- CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
- CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
- ptCenter.y + PWL_TRIANGLE_HALFLEN);
- CFX_PointF 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_PointF pt1(ptCenter.x - kTriangleHalfLength * 0.5f, ptCenter.y);
+ CFX_PointF pt2(ptCenter.x + kTriangleHalfLength * 0.5f,
+ ptCenter.y + kTriangleHalfLength);
+ CFX_PointF pt3(ptCenter.x + kTriangleHalfLength * 0.5f,
+ ptCenter.y - kTriangleHalfLength);
+
+ if (rectWnd.right - rectWnd.left > kTriangleHalfLength * 2 &&
+ rectWnd.top - rectWnd.bottom > kTriangleHalfLength) {
*psAppStream << "0 g\n"
<< pt1.x << " " << pt1.y << " m\n"
<< pt2.x << " " << pt2.y << " l\n"
@@ -159,14 +169,14 @@ void CPWL_SBButton::GetThisAppearanceStream(std::ostringstream* psAppStream) {
}
} break;
case PSBT_MAX: {
- CFX_PointF pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
- CFX_PointF pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
- ptCenter.y + PWL_TRIANGLE_HALFLEN);
- CFX_PointF 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_PointF pt1(ptCenter.x + kTriangleHalfLength * 0.5f, ptCenter.y);
+ CFX_PointF pt2(ptCenter.x - kTriangleHalfLength * 0.5f,
+ ptCenter.y + kTriangleHalfLength);
+ CFX_PointF pt3(ptCenter.x - kTriangleHalfLength * 0.5f,
+ ptCenter.y - kTriangleHalfLength);
+
+ if (rectWnd.right - rectWnd.left > kTriangleHalfLength * 2 &&
+ rectWnd.top - rectWnd.bottom > kTriangleHalfLength) {
*psAppStream << "0 g\n"
<< pt1.x << " " << pt1.y << " m\n"
<< pt2.x << " " << pt2.y << " l\n"
@@ -181,14 +191,14 @@ void CPWL_SBButton::GetThisAppearanceStream(std::ostringstream* psAppStream) {
case SBT_VSCROLL:
switch (m_eSBButtonType) {
case PSBT_MIN: {
- CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
- ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
- CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
- ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
- CFX_PointF 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) {
+ CFX_PointF pt1(ptCenter.x - kTriangleHalfLength,
+ ptCenter.y - kTriangleHalfLength * 0.5f);
+ CFX_PointF pt2(ptCenter.x + kTriangleHalfLength,
+ ptCenter.y - kTriangleHalfLength * 0.5f);
+ CFX_PointF pt3(ptCenter.x, ptCenter.y + kTriangleHalfLength * 0.5f);
+
+ if (rectWnd.right - rectWnd.left > kTriangleHalfLength * 2 &&
+ rectWnd.top - rectWnd.bottom > kTriangleHalfLength) {
*psAppStream << "0 g\n"
<< pt1.x << " " << pt1.y << " m\n"
<< pt2.x << " " << pt2.y << " l\n"
@@ -197,14 +207,14 @@ void CPWL_SBButton::GetThisAppearanceStream(std::ostringstream* psAppStream) {
}
} break;
case PSBT_MAX: {
- CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
- ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
- CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
- ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
- CFX_PointF 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) {
+ CFX_PointF pt1(ptCenter.x - kTriangleHalfLength,
+ ptCenter.y + kTriangleHalfLength * 0.5f);
+ CFX_PointF pt2(ptCenter.x + kTriangleHalfLength,
+ ptCenter.y + kTriangleHalfLength * 0.5f);
+ CFX_PointF pt3(ptCenter.x, ptCenter.y - kTriangleHalfLength * 0.5f);
+
+ if (rectWnd.right - rectWnd.left > kTriangleHalfLength * 2 &&
+ rectWnd.top - rectWnd.bottom > kTriangleHalfLength) {
*psAppStream << "0 g\n"
<< pt1.x << " " << pt1.y << " m\n"
<< pt2.x << " " << pt2.y << " l\n"
@@ -240,14 +250,14 @@ void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
switch (m_eSBButtonType) {
case PSBT_MIN: {
- CFX_PointF pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
- CFX_PointF pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
- ptCenter.y + PWL_TRIANGLE_HALFLEN);
- CFX_PointF 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_PointF pt1(ptCenter.x - kTriangleHalfLength * 0.5f, ptCenter.y);
+ CFX_PointF pt2(ptCenter.x + kTriangleHalfLength * 0.5f,
+ ptCenter.y + kTriangleHalfLength);
+ CFX_PointF pt3(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);
@@ -260,14 +270,14 @@ void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
}
} break;
case PSBT_MAX: {
- CFX_PointF pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f, ptCenter.y);
- CFX_PointF pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
- ptCenter.y + PWL_TRIANGLE_HALFLEN);
- CFX_PointF 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_PointF pt1(ptCenter.x + kTriangleHalfLength * 0.5f, ptCenter.y);
+ CFX_PointF pt2(ptCenter.x - kTriangleHalfLength * 0.5f,
+ ptCenter.y + kTriangleHalfLength);
+ CFX_PointF pt3(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);
@@ -585,18 +595,14 @@ void CPWL_ScrollBar::RePosChildWnd() {
switch (m_sbType) {
case SBT_HSCROLL:
if (rcClient.right - rcClient.left >
- PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH +
- 2) {
+ kButtonWidth * 2 + kPosButtonMinWidth + 2) {
rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom,
- rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,
- rcClient.top);
+ rcClient.left + kButtonWidth, rcClient.top);
rcMaxButton =
- CFX_FloatRect(rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,
- rcClient.bottom, rcClient.right, rcClient.top);
+ CFX_FloatRect(rcClient.right - kButtonWidth, rcClient.bottom,
+ rcClient.right, rcClient.top);
} else {
- fBWidth = (rcClient.right - rcClient.left -
- PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) /
- 2;
+ fBWidth = (rcClient.right - rcClient.left - kPosButtonMinWidth - 2) / 2;
if (fBWidth > 0) {
rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom,
@@ -610,18 +616,14 @@ void CPWL_ScrollBar::RePosChildWnd() {
break;
case SBT_VSCROLL:
if (IsFloatBigger(rcClient.top - rcClient.bottom,
- PWL_SCROLLBAR_BUTTON_WIDTH * 2 +
- PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2)) {
- rcMinButton = CFX_FloatRect(rcClient.left,
- rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH,
+ 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 + PWL_SCROLLBAR_BUTTON_WIDTH);
+ rcClient.bottom + kButtonWidth);
} else {
- fBWidth = (rcClient.top - rcClient.bottom -
- PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) /
- 2;
+ fBWidth = (rcClient.top - rcClient.bottom - kPosButtonMinWidth - 2) / 2;
if (IsFloatBigger(fBWidth, 0)) {
rcMinButton = CFX_FloatRect(rcClient.left, rcClient.top - fBWidth,
@@ -697,20 +699,16 @@ bool CPWL_ScrollBar::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
switch (m_sbType) {
case SBT_HSCROLL:
- rcMinArea =
- CFX_FloatRect(rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,
- rcClient.bottom, rcPosButton.left, rcClient.top);
+ rcMinArea = CFX_FloatRect(rcClient.left + kButtonWidth, rcClient.bottom,
+ rcPosButton.left, rcClient.top);
rcMaxArea = CFX_FloatRect(rcPosButton.right, rcClient.bottom,
- rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,
- rcClient.top);
+ rcClient.right - kButtonWidth, rcClient.top);
break;
case SBT_VSCROLL:
- rcMinArea =
- CFX_FloatRect(rcClient.left, rcPosButton.top, rcClient.right,
- rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH);
- rcMaxArea = CFX_FloatRect(rcClient.left,
- rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH,
+ 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;
}
@@ -879,12 +877,12 @@ void CPWL_ScrollBar::MovePosButton(bool bRefresh) {
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 - fLeft < kPosButtonMinWidth)
+ fRight = fLeft + kPosButtonMinWidth;
if (fRight > rcPosArea.right) {
fRight = rcPosArea.right;
- fLeft = fRight - PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
+ fLeft = fRight - kPosButtonMinWidth;
}
rcPosButton =
@@ -895,12 +893,12 @@ void CPWL_ScrollBar::MovePosButton(bool bRefresh) {
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(fTop - fBottom, kPosButtonMinWidth))
+ fBottom = fTop - kPosButtonMinWidth;
if (IsFloatSmaller(fBottom, rcPosArea.bottom)) {
fBottom = rcPosArea.bottom;
- fTop = fBottom + PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
+ fTop = fBottom + kPosButtonMinWidth;
}
rcPosButton =
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-11 06:58:43 +0000