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canon-cursors

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Actualizado18 de abril de 2026 a las 06:53

Use when designing or auditing cursor behavior — matching cursor shape to affordance, custom cursors, drag cursors, resize cursors, and the hover+cursor pairing rule. Trigger when the user mentions cursor, pointer, mouse cursor, drag cursor, or resize handle.

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Dragoon0x

Dragoon0x/canon

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SKILL.md

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name	canon-cursors
description	Use when designing or auditing cursor behavior — matching cursor shape to affordance, custom cursors, drag cursors, resize cursors, and the hover+cursor pairing rule. Trigger when the user mentions cursor, pointer, mouse cursor, drag cursor, or resize handle.

CANON · Cursors

The cursor tells users what will happen before they click. Wrong cursor = broken promise.

Cursor-affordance pairing

Affordance	Cursor	CSS
Clickable button/link	Pointer	`cursor: pointer`
Text content (selectable)	Text	`cursor: text`
Draggable element	Grab / grabbing	`cursor: grab` / `cursor: grabbing`
Resizable edge/corner	Resize	`cursor: ew-resize`, `ns-resize`, `nwse-resize`
Disabled element	Not-allowed	`cursor: not-allowed`
Loading (system-level)	Wait	`cursor: wait`
Loading (element-level)	Progress	`cursor: progress`
Default (non-interactive)	Default	`cursor: default`
Crosshair (precision)	Crosshair	`cursor: crosshair`
Help (tooltip-ish)	Help	`cursor: help`
Zoom in/out	Zoom-in / zoom-out	`cursor: zoom-in`

The hover+cursor rule

From canon-interaction: if the element changes on hover, the cursor must match the action. Hover effect without cursor change is ambiguous. Cursor change without hover effect is invisible.

Custom cursors

Custom cursor images are acceptable for specialized tools (drawing apps, games). Rules:

Provide a fallback: cursor: url(custom.png), pointer
Keep the hotspot correct (the click point).
Size: 32×32px maximum (OS recommendation).
Don't use custom cursors for standard web interactions.

Anti-patterns

Anti-pattern	Why it fails
`cursor: pointer` on non-interactive elements	False promise
No cursor change on interactive elements	Hidden affordance
`cursor: pointer` on text inputs	Confusing — text cursor expected
Custom cursor on every element	Disorienting
`cursor: not-allowed` on elements that are actually clickable	Lying to the user
Grab cursor on non-draggable element	Broken promise

Audit checklist

Every interactive element uses cursor: pointer
Draggable elements use cursor: grab (and grabbing on drag)
Disabled elements use cursor: not-allowed
Resizable edges use the correct resize cursor
No cursor: pointer on non-interactive content
Custom cursors have a standard fallback
Text-selectable areas use default or text cursor

Sources

MDN · cursor CSS property
WCAG 2.2 · 1.4.1 Use of Color (cursor is a signal)
Apple HIG · Pointer (cursor guidance)

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CANON · Cursors

The cursor tells users what will happen before they click. Wrong cursor = broken promise.

Cursor-affordance pairing

Affordance

Cursor

CSS

Clickable button/link

Pointer

cursor: pointer

Text content (selectable)

Text

cursor: text

Draggable element

Grab / grabbing

cursor: grab / cursor: grabbing

Resizable edge/corner

Resize

cursor: ew-resize, ns-resize, nwse-resize

Disabled element

Not-allowed

cursor: not-allowed

Loading (system-level)

Wait

cursor: wait

Loading (element-level)

Progress

cursor: progress

Default (non-interactive)

Default

cursor: default

Crosshair (precision)

Crosshair

cursor: crosshair

Help (tooltip-ish)

Help

cursor: help

Zoom in/out

Zoom-in / zoom-out

cursor: zoom-in

The hover+cursor rule

From canon-interaction: if the element changes on hover, the cursor must match the action. Hover effect without cursor change is ambiguous. Cursor change without hover effect is invisible.

Custom cursors

Custom cursor images are acceptable for specialized tools (drawing apps, games). Rules:

Provide a fallback: cursor: url(custom.png), pointer

Keep the hotspot correct (the click point).

Size: 32×32px maximum (OS recommendation).

Don't use custom cursors for standard web interactions.

Anti-patterns

Anti-pattern

Why it fails

cursor: pointer on non-interactive elements

False promise

No cursor change on interactive elements

Hidden affordance

cursor: pointer on text inputs

Confusing — text cursor expected

Custom cursor on every element

Disorienting

cursor: not-allowed on elements that are actually clickable

Lying to the user

Grab cursor on non-draggable element

Broken promise

Audit checklist

Every interactive element uses cursor: pointer

Draggable elements use cursor: grab (and grabbing on drag)

Disabled elements use cursor: not-allowed

Resizable edges use the correct resize cursor

No cursor: pointer on non-interactive content

Custom cursors have a standard fallback

Text-selectable areas use default or text cursor

Sources

MDN · cursor CSS property

WCAG 2.2 · 1.4.1 Use of Color (cursor is a signal)

Apple HIG · Pointer (cursor guidance)