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Skill v1.0.0

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imrj05/orbit/gpui-styling
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PublishedOctober 22, 2026 at 04:35 PM
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version: "1.0.0" name: gpui-styling description: Styling GPUI elements with Tailwind-like utility methods. Use when applying styles, layouts, colors, spacing, or creating responsive designs.

GPUI Styling

This skill covers styling GPUI elements using Tailwind-like utility methods.

Overview

GPUI provides chainable methods similar to Tailwind CSS:

  • Sizing: .w(), .h(), .size_full()
  • Flexbox: .flex(), .flex_col(), .items_center(), .justify_center()
  • Spacing: .p(), .m(), .gap()
  • Colors: .bg(), .text_color(), .border_color()
  • Borders: .border(), .rounded()

Sizing

Width and Height

rust
use gpui::*;
 
div()
    .w(px(200.0))              // Fixed width
    .h(px(100.0))              // Fixed height
    .w_full()                   // Width: 100%
    .h_full()                   // Height: 100%
    .size_full()                // Width & Height: 100%

Relative Units

rust
div()
    .w(relative(0.5))           // 50% of parent
    .h(relative(1.0))           // 100% of parent

Min/Max Sizes

rust
div()
    .min_w(px(100.0))
    .max_w(px(500.0))
    .min_h(px(50.0))
    .max_h(px(300.0))

Flexbox Layout

Flex Direction

rust
div()
    .flex()                     // Enable flexbox
    .flex_row()                 // Horizontal (default)
    .flex_col()                 // Vertical
    
// Short forms (from gpui-component)
div()
    .v_flex()                   // flex + flex_col
    .h_flex()                   // flex + flex_row

Alignment

rust
div()
    .flex()
    .items_start()              // Align items to start
    .items_center()             // Center items
    .items_end()                // Align items to end
    .items_stretch()            // Stretch items
    
    .justify_start()            // Justify to start
    .justify_center()           // Center justify
    .justify_end()              // Justify to end
    .justify_between()          // Space between
    .justify_around()           // Space around

Flex Properties

rust
div()
    .flex_1()                   // flex: 1 (grow to fill)
    .flex_grow()                // Allow growing
    .flex_shrink()              // Allow shrinking
    .flex_none()                // Don't grow or shrink
    .flex_wrap()                // Wrap items

Spacing

Padding

rust
div()
    .p(px(16.0))                // All sides
    .p_1()                      // 4px (0.25rem)
    .p_2()                      // 8px (0.5rem)
    .p_4()                      // 16px (1rem)
    .p_6()                      // 24px (1.5rem)
    .p_8()                      // 32px (2rem)
    
    .px(px(16.0))               // Horizontal padding
    .py(px(16.0))               // Vertical padding
    .px_4()                     // Horizontal 16px
    .py_2()                     // Vertical 8px
    
    .pt(px(8.0))                // Top padding
    .pr(px(8.0))                // Right padding
    .pb(px(8.0))                // Bottom padding
    .pl(px(8.0))                // Left padding

Margin

rust
div()
    .m(px(16.0))                // All sides
    .m_4()                      // 16px
    
    .mx(px(16.0))               // Horizontal margin
    .my(px(16.0))               // Vertical margin
    .mx_4()                     // Horizontal 16px
    
    .mt(px(8.0))                // Top margin
    .mr(px(8.0))                // Right margin
    .mb(px(8.0))                // Bottom margin
    .ml(px(8.0))                // Left margin

Gap

rust
div()
    .flex()
    .flex_col()
    .gap(px(16.0))              // Gap between children
    .gap_1()                    // 4px
    .gap_2()                    // 8px
    .gap_4()                    // 16px
    .gap_6()                    // 24px

Colors

Background Colors

rust
use gpui::*;
 
div()
    .bg(rgb(0x3b82f6))          // Hex color
    .bg(rgb(59, 130, 246))      // RGB
    .bg(rgba(59, 130, 246, 0.5)) // RGBA with alpha
    .bg(hsla(0.6, 0.8, 0.6, 1.0)) // HSLA

Text Colors

rust
div()
    .text_color(rgb(0xffffff))
    .text_color(rgba(255, 255, 255, 0.9))

Border Colors

rust
div()
    .border_color(rgb(0x4a4a4a))

Borders

Border Width

rust
div()
    .border()                   // 1px all sides
    .border_1()                 // 1px
    .border_2()                 // 2px
    .border_t()                 // Top border
    .border_r()                 // Right border
    .border_b()                 // Bottom border
    .border_l()                 // Left border

Border Radius

rust
div()
    .rounded(px(4.0))           // Custom radius
    .rounded_sm()               // Small radius
    .rounded_md()               // Medium radius
    .rounded_lg()               // Large radius
    .rounded_full()             // Fully rounded (circle/pill)

Typography

Font Sizes

rust
div()
    .text_xs()                  // Extra small
    .text_sm()                  // Small
    .text_base()                // Base size (default)
    .text_lg()                  // Large
    .text_xl()                  // Extra large
    .text_2xl()                 // 2x extra large
    .text_3xl()                 // 3x extra large

Font Weight

rust
div()
    .font_normal()              // Normal weight
    .font_medium()              // Medium weight
    .font_semibold()            // Semibold
    .font_bold()                // Bold

Text Alignment

rust
div()
    .text_left()
    .text_center()
    .text_right()

Cursor

rust
div()
    .cursor_pointer()           // Pointer cursor on hover
    .cursor_default()           // Default cursor
    .cursor_text()              // Text cursor

Hover States

rust
div()
    .bg(rgb(0x3b82f6))
    .hover(|style| {
        style.bg(rgb(0x2563eb))
    })

Visibility

rust
div()
    .visible()
    .invisible()

Common Patterns

Card Component

rust
div()
    .p_6()
    .bg(rgb(0x1a1a1a))
    .rounded_lg()
    .border_1()
    .border_color(rgb(0x2a2a2a))
    .flex()
    .flex_col()
    .gap_4()

Button

rust
div()
    .px_6()
    .py_3()
    .bg(rgb(0x3b82f6))
    .text_color(rgb(0xffffff))
    .rounded_md()
    .cursor_pointer()
    .font_semibold()
    .hover(|style| {
        style.bg(rgb(0x2563eb))
    })

Input Field

rust
div()
    .w_full()
    .px_3()
    .py_2()
    .bg(rgb(0x1a1a1a))
    .border_1()
    .border_color(rgb(0x4a4a4a))
    .rounded_md()
    .text_base()

Navbar

rust
div()
    .w_full()
    .h(px(64.0))
    .px_6()
    .bg(rgb(0x1a1a1a))
    .flex()
    .flex_row()
    .items_center()
    .justify_between()
    .border_b_1()
    .border_color(rgb(0x2a2a2a))

Centered Container

rust
div()
    .flex()
    .items_center()
    .justify_center()
    .size_full()

Grid Layout

rust
div()
    .flex()
    .flex_wrap()
    .gap_4()
    .children((0..12).map(|i| {
        div()
            .w(px(200.0))
            .h(px(150.0))
            .bg(rgb(0x3b82f6))
            .rounded_md()
    }))

Color Utilities

Common Colors

rust
// Grays
rgb(0x1a1a1a)  // Dark gray
rgb(0x2a2a2a)  // Medium dark gray
rgb(0x4a4a4a)  // Medium gray
rgb(0x9ca3af)  // Light gray
rgb(0xf3f4f6)  // Very light gray
 
// Blues
rgb(0x3b82f6)  // Primary blue
rgb(0x2563eb)  // Darker blue
rgb(0x60a5fa)  // Lighter blue
 
// Greens
rgb(0x22c55e)  // Success green
rgb(0x16a34a)  // Darker green
 
// Reds
rgb(0xef4444)  // Error red
rgb(0xdc2626)  // Darker red
 
// Yellows
rgb(0xf59e0b)  // Warning yellow

HSLA Colors

rust
// More flexible color manipulation
hsla(0.0, 0.0, 0.1, 1.0)    // Dark gray
hsla(0.6, 0.8, 0.5, 1.0)    // Blue
hsla(0.33, 0.7, 0.5, 1.0)   // Green
hsla(0.0, 0.8, 0.6, 1.0)    // Red
hsla(0.15, 0.9, 0.5, 1.0)   // Yellow/Orange

Theme System

Constant Colors

rust
// In theme.rs
pub const BG_PRIMARY: Hsla = hsla(0.0, 0.0, 0.05, 1.0);
pub const BG_SECONDARY: Hsla = hsla(0.0, 0.0, 0.1, 1.0);
pub const TEXT_PRIMARY: Hsla = hsla(0.0, 0.0, 0.9, 1.0);
pub const TEXT_SECONDARY: Hsla = hsla(0.0, 0.0, 0.6, 1.0);
pub const ACCENT: Hsla = hsla(0.6, 0.8, 0.5, 1.0);
 
// Usage
div()
    .bg(theme::BG_PRIMARY)
    .text_color(theme::TEXT_PRIMARY)

Best Practices

  1. Use spacing scale: Stick to .p_1(), .p_2(), .p_4(), etc. for consistency
  2. Define color constants: Create a theme module with color constants
  3. Use HSLA for theming: Easier to adjust lightness/saturation
  4. Combine utilities: Chain methods for concise styling
  5. Extract common styles: Create reusable components for repeated patterns

Summary

  • Use .size_full() for full width/height
  • Use .v_flex() for vertical layouts, .h_flex() for horizontal
  • Use spacing utilities .p_4(), .gap_2() for consistent spacing
  • Use .bg(), .text_color() for colors
  • Chain methods for concise styling
  • Use .hover() for interactive states

References

All versions