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Color Wheel: the wheel shows the colors of a harmony rule - #7629
Builds on #7602; until it merges, this diff also shows its commit.
What and why
Part of #978. The Color Wheel panel can show the colors of a harmony rule on its wheel. This is VectorCraft's own addition to the panel. It uses the Color Guide panel's harmony rules, applied to the color as the wheel shows it.
The panel menu has Show Harmony and Harmony Rule, both available while the wheel shows. Harmony Rule lists the 15 Color Guide rules whose colors each have a hue of their own. The six rules that repeat a hue (Monochromatic, Shades, Complementary 2, Triad 2, Triad 3, High Contrast 2) are not listed.
With Show Harmony on, the ring has a marker for each other color of the rule, filled with that color. The markers move with the current color.
A click on a marker, or Enter or Space on a focused one, applies its color as a pick on the wheel does, in one undo step. A press held on a marker and released on it applies the marker's color too, and the color does not change while the press is held. Alt applies the color to the inactive Fill/Stroke proxy. A drag that leaves a marker moves the hue as a drag on the ring does. Screen readers read each marker as "Harmony color" with its hex value.
A gray keeps the hue it was picked at, so its markers stay apart on the ring (Harmony::apply_hsb).
ui.colorWheel takes harmony (true or false) and harmonyRule (a rule id or label), and returns them. A value that is not on the list is an error and changes nothing. Both settings are kept with the preferences and read key by key.
New strings have rows in every catalog, next to the other Color Wheel rows. docs/mcp.md, docs/control-protocol.md, the ui.colorWheel params text and the Color Wheel panel entry in docs/target-app-parity.md describe the change.
How it was tested
crates/ui-egui/src/panels/tests_color_wheel_harmony.rs adds 14 tests: a marker's place and hex value, a click applying the rule's color (not the hue under the pointer), markers following the current color, a drag from a marker, a press held on a marker, Alt-click on the stroke, Enter, Space and a screen reader's click, no markers with Show Harmony off, in the box view or with no color, a gray's markers, ui.colorWheel's keys and errors, the translated errors, the panel menu, and the saved settings. crates/color/src/harmony.rs adds 2 tests for apply_hsb and the rule filter. Each of the 16 tests fails with the code it covers broken.
On Linux, at 9d6d9da7 on #7602's head 22b8c6ce (on main at a47d7eec):
cargo test -p vectorcraft-color -p vectorcraft-ui-egui -p vectorcraft-mcp --no-fail-fast: 5082 passed, 1 failed, 2 ignored, in 10 test binaries. The failure is canvas::panes::tests::tiled_documents_fit_their_panes_at_every_ui_scaling (canvas texture over 8192 px), which passed when run again; Tests: two desktop tests pass on a fast Mac #7417 fixes that test.
The branch merges with main at 460d2119 without conflicts. With the first commit merged on main at 676f0524, cargo check --workspace --tests passed, and the Color Wheel and i18n tests passed (173). This branch and #7617 both add Color Wheel panel settings, menu items and catalog rows, so the one that merges second needs those files merged by hand.
No panics in shipped code: no unwrap(), expect(), panic!, unreachable!, todo! or unimplemented! outside tests, and no unchecked indexing on data from files, parameters or
messages. Errors are returned as Result and shown to the user
(why and how).
Clean-room: nothing copied from Adobe products or GPL/AGPL code (AGENTS.md).
Every new asset has a row in ASSETS.md.
Summary by CodeRabbit
New Features
The Color Wheel now offers a Box view with selectable color channels alongside the wheel.
Show harmony colors as selectable markers on the wheel, with support for different harmony rules.
Adjust color channels using sliders, keyboard controls, or accessibility value adjustments.
Configure and inspect Color Wheel settings through the UI command. Settings persist across sessions.
Documentation
Updated guidance for Color Wheel controls and settings, and clarified point-snapping behavior.
… color field and a channel strip
The Color Wheel panel's menu gains Wheel View and Box View, and Box
Channel with Hue, Saturation, Brightness, Red, Green and Blue while the
box shows. The box takes the wheel's place: a color field with a 22 pt
channel strip at its right. The field shows the other two components on
the Color Picker's axes (Hue: saturation across and brightness up; Red:
blue across and green up). A click or drag in the field sets those two,
and the strip sets the channel; a drag is one undo step, and picks go
through the same paint commands and color model rules as the wheel's.
With no color to edit, the field and the strip show no markers and read
0 to screen readers, as the wheel does.
ui.colorWheel {view?, channel?} sets the view and the channel and
returns them. Params that are not an object, another key or a value off
the list are an error and change nothing. Both settings are kept with
the preferences, and a saved value the build does not know reads as
that key's default without losing the other preferences.
The strip takes the arrow keys after a click and offers screen readers
its increment, decrement and set-value actions. The Color Picker's
channel slider uses the same widget, so it now takes the arrow keys and
offers those actions too. New strings have rows in the complete
catalogs, and docs/mcp.md and docs/control-protocol.md describe the
command.
The Color Wheel panel menu has Show Harmony and Harmony Rule. With Show
Harmony on, the wheel's ring carries a marker for each other color of
the picked rule, filled with that color, and the markers follow the
current color. A click on a marker, or Enter or Space on a focused one,
applies its color as a pick on the wheel does; Alt applies it to the
inactive Fill/Stroke proxy. Screen readers read each marker as
"Harmony color" with its hex value.
The wheel takes the 15 Color Guide rules whose colors each have a hue
of their own. Harmony::apply_hsb gives a rule's colors as HSB, and a
gray base keeps its hue so the markers stay apart on the ring.
ui.colorWheel takes harmony and harmonyRule, and both are kept with the
preferences. Docs: docs/mcp.md, docs/target-app-parity.md.
No actionable comments were generated in the recent review.
Walkthrough
The Color Wheel adds persisted Box View and harmony settings, channel-based color picking, and selectable harmony markers. The ui.colorWheel command updates and returns settings. Harmony calculations now expose normalized HSB tones and hue-distinctness checks. Documentation also clarifies Snap to Point behavior when Smart Guides are off.
Changes: Color Wheel
Layer / File(s)
Summary
Harmony color calculations crates/color/src/harmony.rs
Harmony application derives non-base colors through normalized HSB values. A new check identifies rules with distinct tone hues.
Persisted settings and command crates/ui-egui/src/panels/color_wheel.rs, crates/ui-egui/src/state.rs, crates/ui-egui/src/menus/*, crates/mcp/src/ui_catalog.rs, docs/control-protocol.md
The panel adds persisted view and harmony settings, menu controls, and the ui.colorWheel command. The command validates partial updates and returns the resulting settings.
Box View and channel interaction crates/ui-egui/src/panels/color_wheel.rs, crates/ui-egui/src/dialogs/*, crates/ui-egui/src/widgets/color.rs, crates/ui-egui/src/panels/tests_color_wheel_box.rs, docs/target-app-parity.md
Box View maps selectable HSB or RGB channels to field and strip interactions. Tests cover picking, undo, keyboard and accessibility input, settings, and channel-slider behavior.
Harmony markers and selection crates/ui-egui/src/panels/color_wheel.rs, crates/ui-egui/src/widgets/color.rs, crates/ui-egui/src/panels/tests_color_wheel_harmony.rs
The wheel displays accessible harmony markers and applies selected marker colors. Tests cover pointer, keyboard, accessibility, menu, and settings behavior.
Snap to Point documentation
Layer / File(s)
Summary
Document snapping behavior docs/mcp.md
The documentation states that, in the desktop app with Snap to Point enabled and Smart Guides disabled, snapping does not display Smart Guides labels or lines.
sequenceDiagram
participant User
participant ring_markers
participant ColorWheelPanel
participant ColorPaintFlow
User->>ring_markers: Activates a harmony marker
ring_markers-->>ColorWheelPanel: Returns the picked marker
ColorWheelPanel->>ColorPaintFlow: Applies the corresponding harmony color
Loading
Suggested reviewers:aiongg
Merge Risk: Minimal · up to ca9b7
The Color Wheel gains harmony markers and persisted settings, and the earlier strip issue is fixed and covered by a test. No remaining merge-blocking risk was identified. Merge conflicts with #7617 will need manual resolution.
Pre-merge checks: 4
Check name
Status
Explanation
Title check
The title names the main change: the Color Wheel panel now shows harmony-rule colors as markers on the wheel. The changeset adds Show Harmony and Harmony Rule settings, markers on the ring, the ui.col…
Description check
The description follows the template. It has the 'What and why' section, which links the related issue #978 and the dependency on #7602, and explains the feature and its behaviour. It has the 'How it …
Linked Issues check
Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check
Check skipped because no linked issues were found for this pull request.
Full details: Title check
Explanation
The title names the main change: the Color Wheel panel now shows harmony-rule colors as markers on the wheel. The changeset adds Show Harmony and Harmony Rule settings, markers on the ring, the ui.colorWheel parameters, and the related tests and docs. The title is specific and concise, and it matches the objectives.
Full details: Description check
Explanation
The description follows the template. It has the 'What and why' section, which links the related issue #978 and the dependency on #7602, and explains the feature and its behaviour. It has the 'How it was tested' section, which lists the new tests, the commands run, and the one unrelated test failure with its explanation. The checklist is present. Three items are checked, and the 'cargo xtask ci' item is left unchecked, which the objectives also note. The template's checklist does not require every item to be ticked, so the description is mostly complete.
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A press on a harmony marker that is held past the length of a click
without leaving the marker no longer drags the hue ring under it: the
color stays as it was while the press is held, and releasing it on the
marker applies the marker's color, as a click does. A press that leaves
the marker still moves the ring's hue.
Harmony Rule in the panel menu is gray while the box shows, as Show
Harmony is. The catalog rows for Show Harmony, Harmony Rule and Harmony
color move next to the other Color Wheel rows.
Docs: docs/control-protocol.md lists the harmony and harmonyRule keys of
ui.colorWheel, and the Show Harmony sentence in
docs/target-app-parity.md moves to the Color Wheel panel entry.
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Actionable comments posted: 1
Fix comments: Fix CodeRabbit comments on this PR
Prompt to fix all issues
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Inline comments:
Review comments at @crates/ui-egui/src/widgets/color.rs:
- Line 527: Update the slider_keys handling for the color strip so an explicit
set-value request is preserved when the strip is unmarked, even if the requested
value equals shown.value. Ensure the request can update the fill from None to a
solid color; retain the existing behavior for marked strips.
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With a None fill, a set-value action, a key or an increment on the box
view's channel strip that leaves the number at the last solid color's
value now sets the fill, as the field and the hue ring do.
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Builds on #7602; until it merges, this diff also shows its commit.
What and why
Part of #978. The Color Wheel panel can show the colors of a harmony rule on its wheel. This is VectorCraft's own addition to the panel. It uses the Color Guide panel's harmony rules, applied to the color as the wheel shows it.
Harmony::apply_hsb).ui.colorWheeltakesharmony(true or false) andharmonyRule(a rule id or label), and returns them. A value that is not on the list is an error and changes nothing. Both settings are kept with the preferences and read key by key.docs/mcp.md,docs/control-protocol.md, theui.colorWheelparams text and the Color Wheel panel entry indocs/target-app-parity.mddescribe the change.How it was tested
crates/ui-egui/src/panels/tests_color_wheel_harmony.rsadds 14 tests: a marker's place and hex value, a click applying the rule's color (not the hue under the pointer), markers following the current color, a drag from a marker, a press held on a marker, Alt-click on the stroke, Enter, Space and a screen reader's click, no markers with Show Harmony off, in the box view or with no color, a gray's markers,ui.colorWheel's keys and errors, the translated errors, the panel menu, and the saved settings.crates/color/src/harmony.rsadds 2 tests forapply_hsband the rule filter. Each of the 16 tests fails with the code it covers broken.On Linux, at
9d6d9da7on #7602's head22b8c6ce(onmainata47d7eec):cargo fmt --all -- --checkcargo clippy -p vectorcraft-color -p vectorcraft-ui-egui -p vectorcraft-mcp --all-targets -- -D warningscargo test -p vectorcraft-color -p vectorcraft-ui-egui -p vectorcraft-mcp --no-fail-fast: 5082 passed, 1 failed, 2 ignored, in 10 test binaries. The failure iscanvas::panes::tests::tiled_documents_fit_their_panes_at_every_ui_scaling(canvas texture over 8192 px), which passed when run again; Tests: two desktop tests pass on a fast Mac #7417 fixes that test.cargo xtask ui-commands --check,cargo xtask brands,cargo xtask assetsandcargo xtask layersThe branch merges with
mainat460d2119without conflicts. With the first commit merged onmainat676f0524,cargo check --workspace --testspassed, and the Color Wheel and i18n tests passed (173). This branch and #7617 both add Color Wheel panel settings, menu items and catalog rows, so the one that merges second needs those files merged by hand.Checklist
cargo xtask cipasses (fmt, clippy, tests, assets, brands, layers, wasm).unwrap(),expect(),panic!,unreachable!,todo!orunimplemented!outside tests, and no unchecked indexing on data from files, parameters ormessages. Errors are returned as
Resultand shown to the user(why and how).
ASSETS.md.Summary by CodeRabbit