fluix 0.1.22

Rust UI components for GPUI
Documentation
# Select Component Improvements

## ✅ Implemented Improvements

### 1. Variant System

Added `SelectVariant` enum supporting different visual styles:

```rust
pub enum SelectVariant {
    Default,    // Default style (with border and background)
    Ghost,      // No border, transparent background
    Outline,    // Border only, transparent background
}
```

#### Usage

```rust
// Default variant
Select::new(cx)
    .variant(SelectVariant::Default)
    .options(vec![...])

// Ghost variant (no border, transparent background)
Select::new(cx)
    .variant(SelectVariant::Ghost)
    .options(vec![...])

// Outline variant (border only, transparent background)
Select::new(cx)
    .variant(SelectVariant::Outline)
    .options(vec![...])
```

### 2. Dropdown Direction Control

Added `DropdownDirection` enum supporting expansion up or down:

```rust
pub enum DropdownDirection {
    Down,   // Expand downward (default)
    Up,     // Expand upward
    Auto,   // Auto-detect (future implementation)
}
```

#### Usage

```rust
// Expand downward (default)
Select::new(cx)
    .dropdown_direction(DropdownDirection::Down)
    .options(vec![...])

// Expand upward
Select::new(cx)
    .dropdown_direction(DropdownDirection::Up)
    .options(vec![...])
```

### 2.5. Dropdown Width Control ⭐ NEW

Added `DropdownWidth` enum supporting custom dropdown menu width:

```rust
pub enum DropdownWidth {
    MatchTrigger,      // Match trigger width (default)
    Fixed(Pixels),     // Fixed width
    MinWidth(Pixels),  // Minimum width
    MaxWidth(Pixels),  // Maximum width
}
```

#### Usage

```rust
// Match trigger width (default)
Select::new(cx)
    .options(vec![...])

// Fixed width
Select::new(cx)
    .fixed_width(px(120.))
    .options(vec![...])

// Minimum width
Select::new(cx)
    .min_width(px(300.))
    .options(vec![...])

// Maximum width
Select::new(cx)
    .max_width(px(200.))
    .options(vec![...])

// Combined: narrow width + compact + right align
Select::new(cx)
    .fixed_width(px(100.))
    .compact()
    .align_right()
    .options(vec![...])
```

### 2.6. Dropdown Alignment Control

Added `DropdownAlignment` enum supporting left, right, and center alignment:

```rust
pub enum DropdownAlignment {
    Left,    // Left align (default)
    Right,   // Right align
    Center,  // Center align
}
```

#### Usage

```rust
// Left align (default)
Select::new(cx)
    .align_left()
    .options(vec![...])

// Right align
Select::new(cx)
    .align_right()
    .options(vec![...])

// Center align
Select::new(cx)
    .align_center()
    .options(vec![...])

// Combined: right align + expand upward
Select::new(cx)
    .align_right()
    .dropdown_direction(DropdownDirection::Up)
    .options(vec![...])
```

### 3. Convenience Methods

Added shortcut methods for common use cases:

```rust
// Remove border
Select::new(cx)
    .no_border()
    .options(vec![...])

// Remove shadow
Select::new(cx)
    .no_shadow()
    .options(vec![...])

// Transparent background
Select::new(cx)
    .transparent()
    .options(vec![...])

// Clean style (no border, no shadow, transparent background)
Select::new(cx)
    .clean()
    .options(vec![...])

// Compact spacing (NEW!)
Select::new(cx)
    .compact()
    .options(vec![...])

// Custom border color
Select::new(cx)
    .border_color(rgb(0x999999))
    .options(vec![...])
```

## 🎯 Complete Examples

### Example 1: Ghost Variant (For Embedded Scenarios)

```rust
Select::new(cx)
    .placeholder("Select option")
    .variant(SelectVariant::Ghost)
    .text_color(rgb(0x999999))
    .size(ComponentSize::Small)
    .options(vec![
        SelectOption::new("1", "Option 1"),
        SelectOption::new("2", "Option 2"),
    ])
```

### Example 2: Dropdown Expanding Upward

```rust
Select::new(cx)
    .placeholder("Select option")
    .dropdown_direction(DropdownDirection::Up)
    .options(vec![
        SelectOption::new("1", "Option 1"),
        SelectOption::new("2", "Option 2"),
    ])
```

### Example 3: Fully Customized

```rust
Select::new(cx)
    .placeholder("Custom Select")
    .variant(SelectVariant::Outline)
    .size(ComponentSize::Small)
    .font_size(px(12.))
    .bg_color(rgb(0xF9FAFB))
    .text_color(rgb(0x666666))
    .border_color(rgb(0xD1D5DB))
    .dropdown_direction(DropdownDirection::Up)
    .options(vec![...])
```

## 📊 API Reference

### New Methods

| Method | Parameter | Description |
|--------|-----------|-------------|
| `.variant()` | `SelectVariant` | Set visual variant |
| `.dropdown_direction()` | `DropdownDirection` | Set dropdown direction |
| `.dropdown_alignment()` | `DropdownAlignment` | Set dropdown alignment ⭐ NEW |
| `.dropdown_width()` | `DropdownWidth` | Set dropdown width ⭐ NEW |
| `.fixed_width()` | `Pixels` | Fixed width (convenience) ⭐ NEW |
| `.min_width()` | `Pixels` | Minimum width (convenience) ⭐ NEW |
| `.max_width()` | `Pixels` | Maximum width (convenience) ⭐ NEW |
| `.align_left()` | - | Left align (convenience) |
| `.align_right()` | - | Right align (convenience) |
| `.align_center()` | - | Center align (convenience) |
| `.border_color()` | `Rgba` | Set border color |
| `.no_border()` | - | Remove border (convenience) |
| `.no_shadow()` | - | Remove shadow (convenience) |
| `.transparent()` | - | Transparent background (convenience) |
| `.clean()` | - | Clean style: no border, no shadow, transparent (convenience) |
| `.compact()` | - | Compact spacing (convenience) ⭐ NEW |

### New Types

```rust
// Visual variants
pub enum SelectVariant {
    Default,    // Default style
    Ghost,      // No border, transparent
    Outline,    // Border only
}

// Dropdown direction
pub enum DropdownDirection {
    Down,   // Downward
    Up,     // Upward
    Auto,   // Auto (future)
}
```

## 🎨 Use Cases

### Use Case 1: Embedded Select (Settings View)

```rust
// Provider Select in Settings
Select::new(cx)
    .variant(SelectVariant::Ghost)
    .size(ComponentSize::Small)
    .text_color(rgb(0x999999))
    .options(providers)
```

**Advantages**:
- No border, blends with background
- Small size, saves space
- Custom text color, matches design

### Use Case 2: Select in Bottom Toolbar

```rust
// Select in bottom toolbar
Select::new(cx)
    .dropdown_direction(DropdownDirection::Up)
    .variant(SelectVariant::Outline)
    .options(options)
```

**Advantages**:
- Expands upward, avoids being blocked
- Outline style, clearly visible

### Use Case 3: Select in Form

```rust
// Select in form
Select::new(cx)
    .variant(SelectVariant::Default)
    .size(ComponentSize::Medium)
    .options(options)
```

**Advantages**:
- Default style, clear and explicit
- Medium size, easy to click

## 🔧 Implementation Details

### Variant Implementation

Variants are implemented through conditional rendering:

```rust
.map(|this| match self.variant {
    SelectVariant::Default => {
        this.bg(self.custom_bg_color.unwrap_or(theme.colors.background))
    }
    SelectVariant::Ghost => {
        this.bg(self.custom_bg_color.unwrap_or(rgba(0x00000000)))
    }
    SelectVariant::Outline => {
        this.bg(self.custom_bg_color.unwrap_or(rgba(0x00000000)))
            .border_1()
            .border_color(self.custom_border_color.unwrap_or(theme.colors.border))
    }
})
```

### Dropdown Direction Implementation

Implemented by changing absolute positioning:

```rust
.map(|this| match self.dropdown_direction {
    DropdownDirection::Down | DropdownDirection::Auto => {
        this.top_full().mt_1()  // Below
    }
    DropdownDirection::Up => {
        this.bottom_full().mb_1()  // Above
    }
})
```

## 🚀 Run Demo

```bash
cargo run --example select_variants_demo
```

Demo shows:
- ✅ All 3 variants
- ✅ Upward and downward expansion
- ✅ Convenience methods
- ✅ Custom combinations

## 📝 Backward Compatibility

All new features are **fully backward compatible**:

- ✅ Default variant is `SelectVariant::Default`
- ✅ Default direction is `DropdownDirection::Down`
- ✅ Existing code requires no changes

## 🎊 Summary

### New Features

1. **Variant System** - Default, Ghost, Outline
2.**Dropdown Direction** - Down, Up, Auto
3.**Convenience Methods** - no_border(), no_shadow(), transparent(), clean()
4.**Border Color** - border_color()

### Use Cases

- ✅ Embedded Select (Ghost variant)
- ✅ Bottom toolbar (upward expansion)
- ✅ Forms (default style)
- ✅ Fully customized

### Complete Customization Capability

The Select component now supports:

| Property | Method | Version |
|----------|--------|---------|
| Component Size | `.size()` | v0.1.0+ |
| Font Size | `.font_size()` | v0.1.8+ |
| Background Color | `.bg_color()` | v0.1.9+ |
| Text Color | `.text_color()` | v0.1.10+ |
| **Visual Variant** | `.variant()` | **v0.1.11+**|
| **Dropdown Direction** | `.dropdown_direction()` | **v0.1.11+**|
| **Border Color** | `.border_color()` | **v0.1.11+**|
| **No Border** | `.no_border()` | **v0.1.11+**|
| **No Shadow** | `.no_shadow()` | **v0.1.11+**|
| **Transparent Background** | `.transparent()` | **v0.1.11+**|
| **Clean Style** | `.clean()` | **v0.1.11+**|

**Fluix Select is now a fully customizable component!** 🎨✨