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use kael::*;
use kael_ui::{
components::{
input::{Input, InputType, InputVariant},
input_state::{InputEvent, InputState},
scrollable::scrollable_vertical,
},
layout::{HStack, VStack},
theme::{install_theme, Theme},
};
struct FocusTestApp {
// Form inputs to test tab navigation
first_name: Entity<InputState>,
last_name: Entity<InputState>,
email: Entity<InputState>,
phone: Entity<InputState>,
password: Entity<InputState>,
// Track which input has focus
#[allow(dead_code)]
current_focus_index: usize,
}
impl FocusTestApp {
fn new(cx: &mut Context<Self>) -> Self {
let mut app = Self {
first_name: cx.new(|cx| InputState::new(cx)),
last_name: cx.new(|cx| InputState::new(cx)),
email: cx.new(|cx| InputState::new(cx).input_type(InputType::Email)),
phone: cx.new(|cx| InputState::new(cx).input_type(InputType::Tel)),
password: cx.new(|cx| InputState::new(cx).input_type(InputType::Password)),
current_focus_index: 0,
};
// Set up tab navigation handlers
app.setup_tab_navigation(cx);
app
}
fn setup_tab_navigation(&mut self, cx: &mut Context<Self>) {
// Create a list of all inputs in order
let inputs = vec![
self.first_name.clone(),
self.last_name.clone(),
self.email.clone(),
self.phone.clone(),
self.password.clone(),
];
// Set up tab navigation for each input
for (i, input) in inputs.iter().enumerate() {
let inputs_clone = inputs.clone();
let current_index = i;
cx.subscribe(
input,
move |_this, _emitter: Entity<InputState>, event: &InputEvent, cx| {
match event {
InputEvent::Tab => {
// Queue focus change for next input
let next_index = (current_index + 1) % inputs_clone.len();
let next_input = inputs_clone[next_index].clone();
cx.defer(move |cx| {
cx.update_window(cx.active_window().unwrap(), |_, window, cx| {
window.focus(&next_input.read(cx).focus_handle(cx));
})
.ok();
});
}
InputEvent::ShiftTab => {
// Queue focus change for previous input
let prev_index = if current_index == 0 {
inputs_clone.len() - 1
} else {
current_index - 1
};
let prev_input = inputs_clone[prev_index].clone();
cx.defer(move |cx| {
cx.update_window(cx.active_window().unwrap(), |_, window, cx| {
window.focus(&prev_input.read(cx).focus_handle(cx));
})
.ok();
});
}
_ => {}
}
},
)
.detach();
}
}
}
impl Render for FocusTestApp {
fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let theme = kael_ui::theme::use_theme();
div()
.size_full()
.bg(theme.tokens.background)
.child(
VStack::new()
.size_full()
// Header
.child(
VStack::new()
.w_full()
.p(px(24.0))
.bg(theme.tokens.card)
.border_b_1()
.border_color(theme.tokens.border)
.child(
div()
.text_size(px(24.0))
.font_weight(FontWeight::BOLD)
.text_color(theme.tokens.foreground)
.child("Focus Management Demo")
)
.child(
div()
.text_size(px(14.0))
.text_color(theme.tokens.muted_foreground)
.child("Test tab navigation and click-outside-to-blur behavior")
)
)
// Content
.child(
div()
.flex_1()
.w_full()
.overflow_hidden()
.child(
scrollable_vertical(
div()
.flex()
.flex_col()
.w_full()
.p(px(32.0))
.gap(px(24.0))
// Instructions
.child(
VStack::new()
.w_full()
.gap(px(12.0))
.p(px(20.0))
.bg(theme.tokens.primary.opacity(0.1))
.border_1()
.border_color(theme.tokens.primary)
.rounded(theme.tokens.radius_lg)
.child(
div()
.text_size(px(16.0))
.font_weight(FontWeight::SEMIBOLD)
.text_color(theme.tokens.foreground)
.child("📋 Instructions")
)
.child(
div()
.text_size(px(14.0))
.text_color(theme.tokens.foreground)
.line_height(relative(1.6))
.child("• Click on an input to focus it\n• Double-click to select all text\n• Press Tab to move to next input, Shift+Tab for previous\n• Press Escape to blur the focused input\n• Use all standard keyboard shortcuts (arrows, Home/End, Cmd/Ctrl+A/C/V/X)")
)
)
// Form container
.child(
VStack::new()
.w_full()
.max_w(px(500.0))
.gap(px(20.0))
.p(px(24.0))
.bg(theme.tokens.card)
.border_1()
.border_color(theme.tokens.border)
.rounded(theme.tokens.radius_lg)
.child(
div()
.text_size(px(18.0))
.font_weight(FontWeight::SEMIBOLD)
.text_color(theme.tokens.foreground)
.child("Sample Registration Form")
)
// First Name
.child(
VStack::new()
.w_full()
.gap(px(4.0))
.child(
div()
.text_size(px(14.0))
.font_weight(FontWeight::MEDIUM)
.text_color(theme.tokens.foreground)
.child("First Name")
)
.child(
Input::new(&self.first_name)
.placeholder("John")
.variant(InputVariant::Outline)
)
)
// Last Name
.child(
VStack::new()
.w_full()
.gap(px(4.0))
.child(
div()
.text_size(px(14.0))
.font_weight(FontWeight::MEDIUM)
.text_color(theme.tokens.foreground)
.child("Last Name")
)
.child(
Input::new(&self.last_name)
.placeholder("Doe")
.variant(InputVariant::Outline)
)
)
// Email
.child(
VStack::new()
.w_full()
.gap(px(4.0))
.child(
div()
.text_size(px(14.0))
.font_weight(FontWeight::MEDIUM)
.text_color(theme.tokens.foreground)
.child("Email Address")
)
.child(
Input::new(&self.email)
.input_type(InputType::Email)
.placeholder("john.doe@example.com")
.variant(InputVariant::Outline)
)
)
// Phone
.child(
VStack::new()
.w_full()
.gap(px(4.0))
.child(
div()
.text_size(px(14.0))
.font_weight(FontWeight::MEDIUM)
.text_color(theme.tokens.foreground)
.child("Phone Number")
)
.child(
Input::new(&self.phone)
.input_type(InputType::Tel)
.placeholder("(555) 123-4567")
.variant(InputVariant::Outline)
)
)
// Password
.child(
VStack::new()
.w_full()
.gap(px(4.0))
.child(
div()
.text_size(px(14.0))
.font_weight(FontWeight::MEDIUM)
.text_color(theme.tokens.foreground)
.child("Password")
)
.child(
Input::new(&self.password)
.input_type(InputType::Password)
.placeholder("Enter password")
.variant(InputVariant::Outline)
)
)
)
// Status indicators
.child(
VStack::new()
.w_full()
.max_w(px(500.0))
.gap(px(12.0))
.p(px(16.0))
.bg(theme.tokens.muted.opacity(0.3))
.border_1()
.border_color(theme.tokens.border)
.rounded(theme.tokens.radius_lg)
.child(
div()
.text_size(px(14.0))
.font_weight(FontWeight::SEMIBOLD)
.text_color(theme.tokens.foreground)
.child("Focus Status")
)
.child(
VStack::new()
.gap(px(6.0))
.child(
HStack::new()
.gap(px(8.0))
.child(
div()
.w(px(8.0))
.h(px(8.0))
.rounded(px(4.0))
.bg(if self.first_name.read(cx).focus_handle(cx).is_focused(window) {
theme.tokens.primary
} else {
theme.tokens.muted
})
)
.child(
div()
.text_size(px(13.0))
.text_color(theme.tokens.muted_foreground)
.child("First Name")
)
)
.child(
HStack::new()
.gap(px(8.0))
.child(
div()
.w(px(8.0))
.h(px(8.0))
.rounded(px(4.0))
.bg(if self.last_name.read(cx).focus_handle(cx).is_focused(window) {
theme.tokens.primary
} else {
theme.tokens.muted
})
)
.child(
div()
.text_size(px(13.0))
.text_color(theme.tokens.muted_foreground)
.child("Last Name")
)
)
.child(
HStack::new()
.gap(px(8.0))
.child(
div()
.w(px(8.0))
.h(px(8.0))
.rounded(px(4.0))
.bg(if self.email.read(cx).focus_handle(cx).is_focused(window) {
theme.tokens.primary
} else {
theme.tokens.muted
})
)
.child(
div()
.text_size(px(13.0))
.text_color(theme.tokens.muted_foreground)
.child("Email")
)
)
.child(
HStack::new()
.gap(px(8.0))
.child(
div()
.w(px(8.0))
.h(px(8.0))
.rounded(px(4.0))
.bg(if self.phone.read(cx).focus_handle(cx).is_focused(window) {
theme.tokens.primary
} else {
theme.tokens.muted
})
)
.child(
div()
.text_size(px(13.0))
.text_color(theme.tokens.muted_foreground)
.child("Phone")
)
)
.child(
HStack::new()
.gap(px(8.0))
.child(
div()
.w(px(8.0))
.h(px(8.0))
.rounded(px(4.0))
.bg(if self.password.read(cx).focus_handle(cx).is_focused(window) {
theme.tokens.primary
} else {
theme.tokens.muted
})
)
.child(
div()
.text_size(px(13.0))
.text_color(theme.tokens.muted_foreground)
.child("Password")
)
)
)
)
),
),
),
)
}
}
fn main() {
Application::new().run(move |cx| {
// Install dark theme
install_theme(cx, Theme::dark());
// Initialize input system
kael_ui::init(cx);
cx.open_window(
WindowOptions {
window_bounds: Some(WindowBounds::Windowed(Bounds::centered(
None,
size(px(800.0), px(700.0)),
cx,
))),
titlebar: Some(TitlebarOptions {
title: Some("Input Focus Management Demo".into()),
..Default::default()
}),
..Default::default()
},
|_window, cx| cx.new(|cx| FocusTestApp::new(cx)),
)
.unwrap();
});
}