Initial public release of Warp.
Repo-Sync-Origin: warpdotdev/warp-internal@12af1d983b
This commit is contained in:
David Stern
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use anyhow::{anyhow, Result};
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use std::borrow::Cow;
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pub mod root_view;
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extern crate warpui;
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use rust_embed::RustEmbed;
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use warpui::{platform, AssetProvider};
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#[derive(Clone, Copy, RustEmbed)]
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#[folder = "examples/assets"]
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pub struct Assets;
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pub static ASSETS: Assets = Assets;
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impl AssetProvider for Assets {
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fn get(&self, path: &str) -> Result<Cow<'_, [u8]>> {
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<Assets as RustEmbed>::get(path)
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.map(|f| f.data)
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.ok_or_else(|| anyhow!("no asset exists at path {}", path))
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}
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}
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fn main() -> Result<()> {
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env_logger::init();
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let app_builder =
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platform::AppBuilder::new(platform::AppCallbacks::default(), Box::new(ASSETS), None);
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let _ = app_builder.run(move |ctx| {
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ctx.add_window(
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warpui::AddWindowOptions::default(),
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root_view::RootView::new,
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);
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});
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Ok(())
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}
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@@ -0,0 +1,289 @@
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use image::ImageEncoder;
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use pathfinder_color::ColorU;
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use std::sync::{Arc, Mutex};
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use std::time::{SystemTime, UNIX_EPOCH};
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use warpui::SingletonEntity as _;
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use warpui::{
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elements::{
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Align, ConstrainedBox, Container, DispatchEventResult, EventHandler, Padding,
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ParentElement, Rect, Stack, Text,
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},
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fonts::{Cache as FontCache, FamilyId},
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platform::CapturedFrame,
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AppContext, Element, Entity, TypedActionView, View, ViewContext,
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};
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#[derive(Clone, Debug)]
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pub enum RootViewAction {
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CaptureFrame,
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}
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pub struct RootView {
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window_id: warpui::WindowId,
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font_family: FamilyId,
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last_capture_msg: Arc<Mutex<Option<String>>>,
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}
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impl RootView {
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pub fn new(ctx: &mut ViewContext<Self>) -> Self {
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let window_id = ctx.window_id();
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let font_family = FontCache::handle(ctx)
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.update(ctx, |cache: &mut FontCache, _| {
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cache.load_system_font("Arial").ok()
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})
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.unwrap_or(FamilyId(0));
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log::info!("Frame capture demo initialized. Click the button to capture!");
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println!("\n📸 Click the blue button to capture the frame!\n");
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Self {
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window_id,
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font_family,
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last_capture_msg: Arc::new(Mutex::new(None)),
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}
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}
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fn request_capture(&mut self, ctx: &mut ViewContext<Self>) {
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let timestamp = SystemTime::now()
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.duration_since(UNIX_EPOCH)
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.unwrap_or_default()
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.as_secs();
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let filename = format!("frame_capture_{}.png", timestamp);
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log::info!("Requesting frame capture to: {}", filename);
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println!("\n📸 Requesting frame capture to: {}\n", filename);
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*self.last_capture_msg.lock().unwrap() = Some("Capture requested...".to_string());
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ctx.notify();
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if let Some(window) = ctx.windows().platform_window(self.window_id) {
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let msg_handle = Arc::clone(&self.last_capture_msg);
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window
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.as_ctx()
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.request_frame_capture(Box::new(move |frame| {
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log::info!("Frame captured, saving to file");
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match save_frame_as_png(&frame, &filename) {
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Ok(()) => {
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log::info!("Frame saved to: {}", filename);
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println!("\n✅ Frame saved to: {}\n", filename);
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*msg_handle.lock().unwrap() =
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Some(format!("Frame written to {}", filename));
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}
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Err(e) => {
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log::error!("Failed to save frame: {}", e);
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*msg_handle.lock().unwrap() = Some(format!("Error: {}", e));
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}
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}
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}));
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}
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}
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}
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fn save_frame_as_png(frame: &CapturedFrame, path: &str) -> Result<(), Box<dyn std::error::Error>> {
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let file = std::fs::File::create(path)?;
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let mut writer = std::io::BufWriter::new(file);
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let encoder = image::codecs::png::PngEncoder::new_with_quality(
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&mut writer,
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image::codecs::png::CompressionType::Fast,
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image::codecs::png::FilterType::NoFilter,
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);
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encoder.write_image(
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&frame.data,
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frame.width,
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frame.height,
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image::ColorType::Rgba8.into(),
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)?;
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Ok(())
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}
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impl Entity for RootView {
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type Event = ();
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}
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impl View for RootView {
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fn ui_name() -> &'static str {
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"RootView"
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}
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fn render(&self, _: &AppContext) -> Box<dyn Element> {
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let button_color = ColorU::new(70, 120, 200, 255);
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let status_msg = self
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.last_capture_msg
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.lock()
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.ok()
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.and_then(|guard| guard.clone())
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.unwrap_or_else(|| "Click the button below to write a frame".to_string());
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Stack::new()
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// Dark background
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.with_child(
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Rect::new()
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.with_background_color(ColorU::new(40, 40, 45, 255))
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.finish(),
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)
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// Content: Colorful squares arranged vertically
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.with_child(
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Align::new(
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Container::new(
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Stack::new()
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// Title text
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.with_child(
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Container::new(
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Text::new_inline(
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"Frame Capture Test".to_string(),
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self.font_family,
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28.0,
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)
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.with_color(ColorU::white())
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.finish(),
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)
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.with_padding(Padding::uniform(16.0))
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.finish(),
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)
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// Subtitle
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.with_child(
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Container::new(
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Text::new_inline(
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"WarpUI rendering sample with clickable capture button"
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.to_string(),
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self.font_family,
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16.0,
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)
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.with_color(ColorU::new(200, 200, 200, 255))
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.finish(),
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)
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.with_padding(Padding::uniform(12.0))
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.finish(),
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)
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// Toast / status line
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.with_child(
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Container::new(
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Text::new_inline(status_msg, self.font_family, 14.0)
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.with_color(ColorU::new(180, 220, 180, 255))
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.finish(),
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)
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.with_padding(Padding::uniform(12.0))
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.finish(),
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)
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// Red square
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.with_child(
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Container::new(
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ConstrainedBox::new(
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Rect::new()
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.with_background_color(ColorU::new(255, 100, 100, 255))
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.finish(),
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)
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.with_width(150.0)
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.with_height(150.0)
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.finish(),
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)
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.with_padding(Padding::uniform(15.0))
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.finish(),
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)
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// Green square
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.with_child(
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Container::new(
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ConstrainedBox::new(
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Rect::new()
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.with_background_color(ColorU::new(100, 255, 100, 255))
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.finish(),
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)
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.with_width(150.0)
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.with_height(150.0)
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.finish(),
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)
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.with_padding(Padding::uniform(15.0))
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.finish(),
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)
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// Blue square
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.with_child(
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Container::new(
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ConstrainedBox::new(
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Rect::new()
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.with_background_color(ColorU::new(100, 100, 255, 255))
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.finish(),
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)
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.with_width(150.0)
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.with_height(150.0)
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.finish(),
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)
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.with_padding(Padding::uniform(15.0))
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.finish(),
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)
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// Orange square
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.with_child(
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Container::new(
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ConstrainedBox::new(
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Rect::new()
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.with_background_color(ColorU::new(255, 165, 0, 255))
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.finish(),
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)
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.with_width(150.0)
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.with_height(150.0)
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.finish(),
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)
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.with_padding(Padding::uniform(15.0))
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.finish(),
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)
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// Capture button (purple square)
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.with_child(
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Container::new(
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EventHandler::new(
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ConstrainedBox::new(
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Stack::new()
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// Button background
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.with_child(
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Rect::new()
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.with_background_color(button_color)
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.finish(),
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)
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// Button label
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.with_child(
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Align::new(
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Text::new_inline(
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"Write Frame to File System"
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.to_string(),
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self.font_family,
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16.0,
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)
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.with_color(ColorU::white())
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.finish(),
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)
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.finish(),
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)
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.finish(),
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)
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.with_width(200.0)
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.with_height(80.0)
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.finish(),
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)
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.on_left_mouse_down(|ctx, _, _| {
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ctx.dispatch_typed_action(RootViewAction::CaptureFrame);
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DispatchEventResult::StopPropagation
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})
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.finish(),
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)
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.with_padding(Padding::uniform(15.0))
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.finish(),
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)
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.finish(),
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)
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.with_padding(Padding::uniform(40.0))
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.finish(),
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)
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.finish(),
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)
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.finish()
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}
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}
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impl TypedActionView for RootView {
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type Action = RootViewAction;
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fn handle_action(&mut self, action: &Self::Action, ctx: &mut ViewContext<Self>) {
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match action {
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RootViewAction::CaptureFrame => self.request_capture(ctx),
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}
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}
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}
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