Listener widget for fltk-rs

fltk-rs

Last update: Dec 30, 2022

Related tags

Miscellaneous fltk-evented

Overview

fltk-evented

This crate provides a Listener widget which can basically wrap any fltk-rs widget (implementing WidgetBase and WidgetExt) and provides an on_ interface.

Usage

fltk = "1.2"
fltk-evented = "0.1"

Example

use fltk::{
    app, button,
    enums::{Color, FrameType},
    prelude::*,
    window,
};
use fltk_evented::Listener;

fn main() {
    let app = app::App::default();
    let mut wind = window::Window::default().with_size(400, 300);
    wind.set_color(Color::White);
    let mut but: Listener<_> = button::Button::new(160, 210, 80, 35, "Click me!").into();
    but.set_frame(FrameType::FlatBox);
    but.set_color(Color::Cyan);
    but.set_selection_color(Color::Cyan.darker());
    but.clear_visible_focus();
    wind.end();
    wind.show();

    but.on_hover(|b| {
        b.set_color(Color::Cyan.lighter().lighter());
    });

    but.on_leave(|b| {
        b.set_color(Color::Cyan);
    });

    but.on_click(|b| {
        println!("Clicked");
        b.set_label_color(Color::White);
    });

    but.on_release(move |b| {
        wind.set_label("Button Released!");
        b.set_label_color(Color::Black);
    });

    app.run().unwrap();
}

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Comments

app crashes(freezes) with Dialogs

Hello, I have a modal dialog launched from event Button(btn):

while app.wait() {
       if btn.triggered() {
           info!("btn triggered");
           ConnectDialog::default();
           ..................
       }
      if hold_browser.triggered() {
           info!("hold_browser triggered");
           if hold_browser.value() != 0 {.......}
      }

If I use only the event Button(btn), all is ok. But, if I interact with hold_browser event and attempt to launch the dialog again, the app crashes and stay freezes!.

This is my dialog, taked it from examples.

        win.end();
        win.make_modal(true);
        win.show();
        ok.set_callback({
            let mut win = win.clone();
            move |_| {
                win.hide();
            }
        });
        while win.shown() {
            app::wait();
        }

If I remove the dialog, everything is ok.

opened by realtica 6

High usage of CPU
Hello,

Kernel: 5.10.0-11-amd64 Distro: Debian GNU/Linux 11 (bullseye) CPU: AMD Ryzen 7 5800U with Radeon Graphics (16)

With a regular button the CPU usage is 0.5% with firefox open. But with: let mut btn: Listener<_> = button::Button::default().with_label("Connect").into(); The CPU usage increase and stay to 10%, what is happening?
opened by realtica 1