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Layout and styling in GPUI. Use when styling components, layout systems, or CSS-like properties.
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Based on SOC occupation classification
Repository contribution workflow. Use for any code change that should become a commit — adding features, fixing bugs, refactoring, or any source modification. Drives the full Issue → Branch → PR → Merge process.
Performance optimization techniques for GPUI including rendering optimization, layout performance, memory management, and profiling strategies. Use when user needs to optimize GPUI application performance or debug performance issues.
GPUI Component project style guide based on gpui-component code patterns. Use when writing new components, reviewing code, or ensuring consistency with existing gpui-component implementations. Covers component structure, trait implementations, naming conventions, and API patterns observed in the actual codebase.
GPUI styling system including theme design, responsive layouts, visual design patterns, and style composition. Use when user needs help with styling, theming, or visual design in GPUI.
Common GPUI patterns including component composition, state management strategies, event handling, and action dispatching. Use when user needs guidance on GPUI patterns, component design, or state management approaches.
Writing tests for GPUI applications. Use when testing components, async operations, or UI behavior.
| name | gpui-layout-and-style |
| description | Layout and styling in GPUI. Use when styling components, layout systems, or CSS-like properties. |
GPUI provides CSS-like styling with Rust type safety.
Key Concepts:
px(), rems(), relative()use gpui::*;
div()
.w(px(200.))
.h(px(100.))
.bg(rgb(0x2196F3))
.text_color(rgb(0xFFFFFF))
.rounded(px(8.))
.p(px(16.))
.child("Styled content")
div()
.flex()
.flex_row() // or flex_col() for column
.gap(px(8.))
.items_center()
.justify_between()
.children([
div().child("Item 1"),
div().child("Item 2"),
div().child("Item 3"),
])
div()
.w(px(200.)) // Pixels
.h(rems(10.)) // Relative to font size
.w(relative(0.5)) // 50% of parent
.min_w(px(100.))
.max_w(px(400.))
div()
.flex()
.items_center()
.justify_center()
.size_full()
.child("Centered")
div()
.w(px(300.))
.bg(cx.theme().surface)
.rounded(px(8.))
.shadow_md()
.p(px(16.))
.gap(px(12.))
.flex()
.flex_col()
.child(heading())
.child(content())
div()
.p(px(16.)) // Padding all sides
.px(px(20.)) // Padding horizontal
.py(px(12.)) // Padding vertical
.pt(px(8.)) // Padding top
.gap(px(8.)) // Gap between children
.w(px(200.)) // Width
.h(px(100.)) // Height
.size(px(200.)) // Width and height
.min_w(px(100.)) // Min width
.max_w(px(400.)) // Max width
.bg(rgb(0x2196F3)) // Background
.text_color(rgb(0xFFFFFF)) // Text color
.border_color(rgb(0x000000)) // Border color
.border(px(1.)) // Border width
.rounded(px(8.)) // Border radius
.rounded_t(px(8.)) // Top corners
.border_color(rgb(0x000000))
.p(px(16.)) // Padding
.m(px(8.)) // Margin
.gap(px(8.)) // Gap between flex children
.flex() // Enable flexbox
.flex_row() // Row direction
.flex_col() // Column direction
.items_center() // Align items center
.justify_between() // Space between items
.flex_grow() // Grow to fill space
div()
.bg(cx.theme().surface)
.text_color(cx.theme().foreground)
.border_color(cx.theme().border)
.when(is_hovered, |el| {
el.bg(cx.theme().hover)
})
div()
.when(is_active, |el| {
el.bg(cx.theme().primary)
})
.when_some(optional_color, |el, color| {
el.bg(color)
})