ruler_scrubber 1.2.0

A performant, accessible ruler-style numeric scrubber for Flutter.

Changelog

1.2.0

• RulerScrubberStyle.borderless draws the card without its border, keeping the corner, background and padding.
• Dartdoc on the remaining undocumented public members.
• The borderless screenshots are listed on pub.dev.
• CI moved to the shared reusable workflow in CtrlAltDevelop/ci-workflows: formatting, analyze --fatal-infos, the tests, the example, a changelog entry per version, and a pana score with no points lost — the same gate across every package here.
• Dependency bounds are explicit ranges rather than carets — a floor that resolves on the supported SDK, the next major as the ceiling — so a consumer already on an older version in the same major is not forced to move.
• The README carries the pub, pub points, CI and licence badges the other packages here carry.

1.1.0

Everything here is additive: a 1.0.0 scrubber compiles and behaves as it did.

Keyboard and focus

• The scrubber is now reachable without a finger. Give it focus and the arrow keys nudge it by step (or a twentieth of the range when there is no step), Page Up and Page Down move it in strides of ten of those, and Home and End run it to either end of the range.
• focusNode and autofocus let the scrubber take part in an existing focus traversal, and a scrub takes focus so the keyboard picks up where the finger left off.
• RulerScrubberStyle.focusedBorderColor lights the card while it holds focus but is not being scrubbed. It falls back to activeBorderColor, so a style written against 1.0.0 shows focus without being changed.

Numbered rulers

• labelFormat prints a number under labelled ticks; labelEvery sets how far apart they are. Labels are laid out once per number per step of the end fade and then reused, so numbering a ruler keeps text layout off the path of a scrub.
• Labels hang below the ruler rather than moving it, so the needle stays where it was and turning them on grows the scrubber by a known amount.
• RulerScrubberStyle.labelStyle sets the type. Only colour, size, weight, family and features are used — the strip is a fixed height, so a row of scrubbers cannot end up at different heights because one counts in a taller font.

More control over the scrub

• onChangeStart reports the value a scrub began at, alongside the existing onChangeEnd.
• enabled draws the scrubber dimmed and inert, still readable and still a slider to assistive technology.
• enableFeedback turns off the per-tick haptics for a screen that has several scrubbers on it.
• physics overrides the scroll physics. The default is unchanged and still ClampingScrollPhysics: a ruler that bounced off its ends would report values it does not have.

Wider SDK support

• The floor drops to Dart 3.12 and Flutter 3.44, matching what material_ui itself requires rather than sitting above it.

Theming

• RulerScrubberTheme supplies a style to every scrubber beneath it, so an app sets its treatment once instead of threading it through every call site. A scrubber given a style of its own still wins.
• RulerScrubberStyle.lerp interpolates between two styles, for animating a scrubber between design states.

1.0.0

Initial release.

• RulerScrubber: a ruler-style numeric input that scrolls under a stationary needle, with platform scroll physics, flick-to-coast and per-tick haptics.
• RulerScrubberStyle: design-system colours, card shape and shadows, derived from the ambient ThemeData when omitted. shape takes any OutlinedBorder, so the card's corner is the caller's choice; its border is drawn with the shape's own side in the scrubber's border colour.
• Accessibility: the control exposes itself as a slider, with spoken label and value and working increase/decrease actions.
• Ticks are painted from the scroll offset rather than laid out, so the cost of a frame is set by the viewport instead of by the size of the range.
• Built on material_ui, the official Material Design library extracted from package:flutter/material.dart, rather than on the copy still inside the Flutter SDK.