Move to cairo ui
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4 changed files with 1346 additions and 155 deletions
1187
Cargo.lock
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1187
Cargo.lock
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@ -6,10 +6,12 @@ edition = "2018"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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fltk = "1.1"
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log = "0.4"
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env_logger = "0.9.0"
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rayon = "1.5.1"
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winit = "0.25"
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cairo-rs = {version = "0.14.0", features = ["xcb"]}
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cairo-sys-rs = {version = "0.14.0", features = ["xcb"]}
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xcb = "0.9.0"
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xcb-util = {version = "0.3.0", features = ["ewmh", "icccm"]}
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92
src/main.rs
92
src/main.rs
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@ -1,6 +1,8 @@
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use log::{debug, info, trace, warn};
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use log::{debug, trace};
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use std::error::Error;
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use winit::{event::{Event, WindowEvent::{CloseRequested, ReceivedCharacter}}, event_loop::{ControlFlow, EventLoop}, window::{Window, WindowBuilder}};
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mod roftl;
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mod ui;
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mod sources;
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@ -8,37 +10,79 @@ mod sources;
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fn main() -> Result<(), Box<dyn Error>> {
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env_logger::init();
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debug!{"Set up roftl"};
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let roftl = roftl::Roftl::default()
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.add_source(sources::TestSource::new("ts1"))
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.add_source(sources::Window::new())
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.source();
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.add_source(sources::Window::new());
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let mut app = ui::draw()?;
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debug!{"Source roftl sources"}
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roftl.source();
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roftl
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.narrow("")
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.iter()
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.for_each(|e| app.add_candidate((*e).clone()));
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let mut input_buffer = String::new();
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while app.wait() {
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match app.events.recv() {
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Some(ui::Event::CandidateSelect(i)) => {
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println! {"Selected an entry {}", i}
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roftl.action(i, roftl::Action::Primary)
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}
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debug!{"Build window"}
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let event_loop = EventLoop::new();
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let window = WindowBuilder::new()
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.with_transparent(true)
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.build(&event_loop)
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.expect("Could not create window");
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Some(ui::Event::InputUpdate) => {
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trace! {"Input: {}", &app.get_input()}
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app.clear_candidates();
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roftl
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.narrow(&app.get_input())
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.iter()
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.for_each(|e| app.add_candidate((*e).clone()));
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}
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debug!{"Draw empty state to window"}
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ui::draw_on_window(&window, "");
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_ => {}
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debug!{"Start event loop"}
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event_loop.run(move |evt, _win, flow| {
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*flow = ControlFlow::Wait;
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if let Event::WindowEvent{window_id, ..} = evt {
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if window_id != window.id() {
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debug!{"Received event for foreign window"}
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return;
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}
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}
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Ok(())
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match evt {
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Event::WindowEvent{event: CloseRequested, ..} => *flow = ControlFlow::Exit,
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Event::WindowEvent{event: ReceivedCharacter(character), ..} => {
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*flow = process_input(character, &mut input_buffer, &window)
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}
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Event::RedrawRequested(window_id) if window_id == window.id() => {
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trace!{"Redrawing with input {}", input_buffer}
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ui::draw_on_window(&window, &input_buffer);
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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 process_input(character: char, input_buffer: &mut String, window: &Window) -> ControlFlow {
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match character {
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'q' | 'Q' => ControlFlow::Exit,
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// Escape
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c if c == char::from(0x1b) => ControlFlow::Exit,
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// Backspace
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c if c == char::from(0x08) => {
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trace!{"Retrieved backspace. Pop char from input"}
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input_buffer.pop();
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window.request_redraw();
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ControlFlow::Wait
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}
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c if c.is_control() => {
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debug!{"Got unknown control character"}
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ControlFlow::Wait
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}
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_ => {
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trace!{"Push {} to input buffer", character}
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input_buffer.push(character);
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window.request_redraw();
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ControlFlow::Wait
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}
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}
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}
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220
src/ui.rs
220
src/ui.rs
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@ -1,124 +1,130 @@
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use std::ops::Deref;
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use std::{borrow::BorrowMut, ffi::c_void};
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use fltk::app::event_key;
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use fltk::enums::{CallbackTrigger, Font, FrameType, Key};
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use fltk::group::{PackType, ScrollType};
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use fltk::prelude::*;
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use fltk::{app, group, input, window};
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use fltk::{browser, output};
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use winit::{platform::unix::WindowExtUnix, window::Window};
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use super::roftl::Entry;
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#[derive(Clone)]
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pub enum Event {
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InputUpdate,
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CandidateSelect(i32),
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fn get_visual_type<T>(mut connection: T) -> xcb::Visualtype
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where T: BorrowMut<*mut c_void>
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{
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let xcb_conn = unsafe { xcb::Connection::from_raw_conn(*connection.borrow_mut() as *mut xcb::ffi::xcb_connection_t) };
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let setup = xcb_conn.get_setup();
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let mut roots = setup.roots();
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let screen = roots.next().unwrap();
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let depth = screen.allowed_depths().next().unwrap();
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let visualtype = depth.visuals().next().unwrap();
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// xcb::Connection calls disconnect on the underlying xcb_connection_t
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// when dropped. We cannot let this happen since the xcb_connection_t
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// is actually owned by the winit::Window
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std::mem::forget(xcb_conn);
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visualtype
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}
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pub struct RoftlApp {
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pub app: app::App,
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pub events: app::Receiver<Event>,
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fn make_context(window: &Window) -> cairo::Context {
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let winit_xcb_conn = window
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.xcb_connection()
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.expect("Could not get connection from window");
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send: app::Sender<Event>,
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input: input::Input,
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browser: browser::HoldBrowser,
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let visual_type = unsafe {
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let mut visual_type = get_visual_type(winit_xcb_conn).base;
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cairo::XCBVisualType::from_raw_none(
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&mut visual_type as *mut xcb::ffi::xcb_visualtype_t as *mut cairo::ffi::xcb_visualtype_t
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)
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};
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let connection = unsafe {
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cairo::XCBConnection::from_raw_none(winit_xcb_conn as *mut cairo_sys::xcb_connection_t)
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};
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let drawable = cairo::XCBDrawable(window.xlib_window().unwrap() as u32);
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let surface = cairo::XCBSurface::create(
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&connection,
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&drawable,
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&visual_type,
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window.inner_size().width as i32,
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window.inner_size().height as i32,
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).expect("Could not create drawing surface");
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cairo::Context::new(&surface).expect("Could not create drawing context")
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}
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impl RoftlApp {
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pub fn add_candidate(&mut self, entry: Entry) {
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let entry_line = format! {"{}\tf{}\t{}", entry.name, entry.description, entry.source};
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self.browser.add(&entry_line);
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}
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fn draw_rectangle(cr: &cairo::Context, x: f64, y: f64, width: f64, height: f64, aspect: f64) {
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let corner_radius = height / 10.0; /* and corner curvature radius */
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let radius = corner_radius / aspect;
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let degrees = std::f64::consts::PI / 180.0;
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pub fn clear_candidates(&mut self) {
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self.browser.clear();
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}
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cr.new_sub_path ();
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cr.arc (x + width - radius, y + radius, radius, -90.0 * degrees, 0.0 * degrees);
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cr.arc (x + width - radius, y + height - radius, radius, 0.0 * degrees, 90.0 * degrees);
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cr.arc (x + radius, y + height - radius, radius, 90.0 * degrees, 180.0 * degrees);
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cr.arc (x + radius, y + radius, radius, 180.0 * degrees, 270.0 * degrees);
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cr.close_path ();
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pub fn get_input(&self) -> String {
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self.input.value().clone()
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cr.set_source_rgb (0.5, 0.5, 1.0);
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cr.fill_preserve ().unwrap();
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cr.set_source_rgb(1.0, 1.0, 1.0);
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cr.set_line_width (cr.device_to_user_distance(1.0, 1.0).unwrap().0);
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cr.stroke ().unwrap();
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}
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fn draw_text(cr: &cairo::Context, input: &str) {
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cr.select_font_face ("serif", cairo::FontSlant::Normal, cairo::FontWeight::Normal);
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cr.set_font_size (0.25);
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cr.set_source_rgb (0.0, 0.0, 1.0);
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cr.move_to (0.05, 0.23);
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if input.len() > 3 {
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cr.show_text(&input[..3]).unwrap();
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cr.select_font_face ("serif", cairo::FontSlant::Normal, cairo::FontWeight::Bold);
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cr.show_text(&input[3..]).unwrap();
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} else {
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cr.show_text(input).unwrap();
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cr.select_font_face ("serif", cairo::FontSlant::Normal, cairo::FontWeight::Normal);
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}
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}
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impl Deref for RoftlApp {
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type Target = app::App;
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pub fn draw_on_window(window: &Window, input: &str) {
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let cr = make_context(&window);
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fn deref(&self) -> &Self::Target {
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&self.app
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cr.translate(300.0, 300.0);
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cr.scale(100.0, 100.0);
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draw_rectangle(&cr, 0.0, 0.0, 4.0, 0.3, 2.0);
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draw_text(&cr, input);
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for i in 1..10 {
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draw_rectangle(&cr, 0.0, 0.3*(i as f64), 4.0, 0.3, 2.0);
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}
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// cr.set_line_width(0.5);
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// cr.set_source_rgb(255.0, 255.0, 255.0);
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// cr.rectangle(20.0, 20.0, 20.0, 40.0);
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// cr.stroke().unwrap();
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// cr.set_source_rgb(0.0, 0.0, 0.0);
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// cr.move_to(0.0, 0.0);
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// cr.line_to(1.0, 1.0);
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// cr.move_to(1.0, 0.0);
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// cr.line_to(0.0, 1.0);
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// cr.set_line_width(0.2);
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// cr.stroke().unwrap();
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// cr.rectangle(0.0, 0.0, 0.5, 0.5);
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// cr.set_source_rgba(1.0, 0.0, 0.0, 0.80);
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// cr.fill().unwrap();
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// cr.rectangle(0.0, 0.5, 0.5, 0.5);
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// cr.set_source_rgba(0.0, 1.0, 0.0, 0.60);
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// cr.fill().unwrap();
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// cr.rectangle(0.5, 0.0, 0.5, 0.5);
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// cr.set_source_rgba(0.0, 0.0, 1.0, 0.40);
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// cr.fill().unwrap();
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}
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pub fn draw() -> Result<RoftlApp, FltkError> {
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app::set_font(Font::Screen);
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let app = app::App::default();
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let mut window = window::Window::default()
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.with_size(400, 300)
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.center_screen();
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window.set_border(false);
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let pack = group::Pack::default()
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.with_type(PackType::Vertical)
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.with_size(400, 40);
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let mut input = input::Input::default().with_size(0, 40);
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input.set_trigger(CallbackTrigger::Changed);
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let mut browser: browser::HoldBrowser =
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browser::HoldBrowser::default().with_size(400, 300 - 40);
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browser.set_has_scrollbar(browser::BrowserScrollbar::None);
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pack.end();
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window.end();
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window.show();
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let (s, r) = app::channel::<Event>();
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input.emit(s.clone(), Event::InputUpdate);
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let mut b1 = browser.clone();
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let s1 = s.clone();
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input.handle(move |_input, evt| match evt {
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fltk::enums::Event::KeyUp => {
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if event_key().eq(&Key::Tab) {
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b1.take_focus().unwrap();
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b1.select(1);
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s1.send(Event::CandidateSelect(b1.value()));
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return true;
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}
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return false;
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}
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_ => false,
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});
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let mut b2 = browser.clone();
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let s2 = s.clone();
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browser.handle(move |_input, evt| match evt {
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fltk::enums::Event::KeyUp => {
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if event_key().eq(&Key::Tab) {
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b2.take_focus().unwrap();
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b2.select(b2.value() + 1);
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s2.send(Event::CandidateSelect(b2.value()));
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return true;
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}
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return false;
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}
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_ => false,
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});
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let s3 = s.clone();
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browser.set_callback(move |b| {
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s3.send(Event::CandidateSelect(b.value()));
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});
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Ok(RoftlApp {
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app,
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events: r,
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send: s,
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input,
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browser,
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})
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}
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