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added foreground color #36

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added foreground color #36

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1 change: 1 addition & 0 deletions example/lib/main.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,7 @@ class CustomDemo extends StatelessWidget {
backgroundColor: Colors.blue,
scrollThumbBuilder: (
Color backgroundColor,
Color foregroundColor,
Animation<double> thumbAnimation,
Animation<double> labelAnimation,
double height, {
Expand Down
14 changes: 13 additions & 1 deletion lib/draggable_scrollbar.dart
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Expand Up @@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
/// Build the Scroll Thumb and label using the current configuration
typedef Widget ScrollThumbBuilder(
Color backgroundColor,
Color foregroundColor,
Animation<double> thumbAnimation,
Animation<double> labelAnimation,
double height, {
Expand All @@ -31,6 +32,9 @@ class DraggableScrollbar extends StatefulWidget {
/// The background color of the label and thumb
final Color backgroundColor;

/// The color of the foreground
final Color foregroundColor;

/// The amount of padding that should surround the thumb
final EdgeInsetsGeometry padding;

Expand Down Expand Up @@ -60,6 +64,7 @@ class DraggableScrollbar extends StatefulWidget {
@required this.scrollThumbBuilder,
@required this.child,
@required this.controller,
this.foregroundColor,
this.padding,
this.scrollbarAnimationDuration = const Duration(milliseconds: 300),
this.scrollbarTimeToFade = const Duration(milliseconds: 600),
Expand All @@ -78,6 +83,7 @@ class DraggableScrollbar extends StatefulWidget {
@required this.controller,
this.heightScrollThumb = 48.0,
this.backgroundColor = Colors.white,
this.foregroundColor = Colors.grey,
this.padding,
this.scrollbarAnimationDuration = const Duration(milliseconds: 300),
this.scrollbarTimeToFade = const Duration(milliseconds: 600),
Expand All @@ -96,6 +102,7 @@ class DraggableScrollbar extends StatefulWidget {
@required this.controller,
this.heightScrollThumb = 48.0,
this.backgroundColor = Colors.white,
this.foregroundColor = Colors.grey,
this.padding,
this.scrollbarAnimationDuration = const Duration(milliseconds: 300),
this.scrollbarTimeToFade = const Duration(milliseconds: 600),
Expand All @@ -114,6 +121,7 @@ class DraggableScrollbar extends StatefulWidget {
@required this.controller,
this.heightScrollThumb = 48.0,
this.backgroundColor = Colors.white,
this.foregroundColor = Colors.grey,
this.padding,
this.scrollbarAnimationDuration = const Duration(milliseconds: 300),
this.scrollbarTimeToFade = const Duration(milliseconds: 600),
Expand Down Expand Up @@ -164,6 +172,7 @@ class DraggableScrollbar extends StatefulWidget {
double width, Key scrollThumbKey, bool alwaysVisibleScrollThumb) {
return (
Color backgroundColor,
Color foregroundColor,
Animation<double> thumbAnimation,
Animation<double> labelAnimation,
double height, {
Expand All @@ -172,7 +181,7 @@ class DraggableScrollbar extends StatefulWidget {
}) {
final scrollThumb = CustomPaint(
key: scrollThumbKey,
foregroundPainter: ArrowCustomPainter(Colors.grey),
foregroundPainter: ArrowCustomPainter(foregroundColor),
child: Material(
elevation: 4.0,
child: Container(
Expand Down Expand Up @@ -204,6 +213,7 @@ class DraggableScrollbar extends StatefulWidget {
Key scrollThumbKey, bool alwaysVisibleScrollThumb) {
return (
Color backgroundColor,
Color foregroundColor,
Animation<double> thumbAnimation,
Animation<double> labelAnimation,
double height, {
Expand Down Expand Up @@ -240,6 +250,7 @@ class DraggableScrollbar extends StatefulWidget {
Key scrollThumbKey, bool alwaysVisibleScrollThumb) {
return (
Color backgroundColor,
Color foregroundColor,
Animation<double> thumbAnimation,
Animation<double> labelAnimation,
double height, {
Expand Down Expand Up @@ -397,6 +408,7 @@ class _DraggableScrollbarState extends State<DraggableScrollbar>
padding: widget.padding,
child: widget.scrollThumbBuilder(
widget.backgroundColor,
widget.foregroundColor,
_thumbAnimation,
_labelAnimation,
widget.heightScrollThumb,
Expand Down