Function fltk::app::event_coords

source ·
pub fn event_coords() -> (i32, i32)
Expand description

Returns the x and y coordinates of the captured event

Examples found in repository?
examples/shapedwindow.rs (line 52)
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    pub fn default() -> Self {
        let shape = prep_shape();

        let mut wind = window::Window::default().with_size(400, 400);
        wind.set_color(enums::Color::White);
        let mut but = button::Button::default()
            .with_label("Button")
            .with_size(80, 80)
            .center_of_parent();
        but.set_frame(enums::FrameType::OFlatFrame);
        but.set_color(enums::Color::Cyan);
        but.clear_visible_focus();
        wind.end();
        wind.set_shape(Some(shape));
        wind.handle({
            let mut x = 0;
            let mut y = 0;
            move |w, ev| match ev {
                enums::Event::Push => {
                    let coords = app::event_coords();
                    x = coords.0;
                    y = coords.1;
                    true
                }
                enums::Event::Drag => {
                    w.set_pos(app::event_x_root() - x, app::event_y_root() - y);
                    true
                }
                _ => false,
            }
        });
        Self { wind }
    }
More examples
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examples/popup_browser.rs (line 31)
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fn main() {
    let app = app::App::default().with_scheme(app::Scheme::Gtk);
    app::background(211, 211, 211);

    let mut win = window::Window::default().with_size(900, 300);
    let mut b = browser::HoldBrowser::default()
        .with_size(900 - 10, 300 - 10)
        .center_of(&win);
    let widths = &[50, 50, 50, 70, 70, 40, 40, 70, 70, 50];

    b.set_column_widths(widths);
    b.set_column_char('\t');
    b.add("USER\tPID\t%CPU\t%MEM\tVSZ\tRSS\tTTY\tSTAT\tSTART\tTIME\tCOMMAND");
    b.add("root\t2888\t0.0\t0.0\t1352\t0\ttty3\tSW\tAug15\t0:00\t@b@f/sbin/mingetty tty3");
    b.add("erco\t2889\t0.0\t13.0\t221352\t0\ttty3\tR\tAug15\t1:34\t@b@f/usr/local/bin/render a35 0004");
    b.add("uucp\t2892\t0.0\t0.0\t1352\t0\tttyS0\tSW\tAug15\t0:00\t@b@f/sbin/agetty -h 19200 ttyS0 vt100");
    b.add("root\t13115\t0.0\t0.0\t1352\t0\ttty2\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty2");
    b.add(
        "root\t13464\t0.0\t0.0\t1352\t0\ttty1\tSW\tAug30\t0:00\t@b@f/sbin/mingetty tty1 --noclear",
    );

    let menu = menu::MenuItem::new(&["1st menu item\t", "2nd menu item\t", "3rd menu item\t"]);

    b.set_callback(move |_| {
        if app::event_mouse_button() == app::MouseButton::Right {
            // or app::event_button() == 3
            let coords = app::event_coords();
            match menu.popup(coords.0, coords.1) {
                None => println!("No value was chosen!"),
                Some(val) => println!("{}", val.label().unwrap()),
            }
        }
    });

    win.make_resizable(true);
    win.end();
    win.show();
    app.run().unwrap();
}
examples/paint.rs (line 55)
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    pub fn new(w: i32, h: i32) -> Self {
        let mut frame = Frame::default().with_size(w, h).center_of_parent();
        frame.set_color(Color::White);
        frame.set_frame(FrameType::DownBox);

        let surf = ImageSurface::new(frame.width(), frame.height(), false);
        ImageSurface::push_current(&surf);
        draw_rect_fill(0, 0, w, h, Color::White);
        ImageSurface::pop_current();

        let surf = Rc::from(RefCell::from(surf));

        frame.draw({
            let surf = surf.clone();
            move |f| {
                let surf = surf.borrow();
                let mut img = surf.image().unwrap();
                img.draw(f.x(), f.y(), f.w(), f.h());
            }
        });

        frame.handle({
            let mut x = 0;
            let mut y = 0;
            let surf = surf.clone();
            move |f, ev| {
                // println!("{}", ev);
                // println!("coords {:?}", app::event_coords());
                // println!("get mouse {:?}", app::get_mouse());
                let surf = surf.borrow_mut();
                match ev {
                    Event::Push => {
                        ImageSurface::push_current(&surf);
                        set_draw_color(Color::Red);
                        set_line_style(LineStyle::Solid, 3);
                        let coords = app::event_coords();
                        x = coords.0;
                        y = coords.1;
                        draw_point(x, y);
                        ImageSurface::pop_current();
                        f.redraw();
                        true
                    }
                    Event::Drag => {
                        ImageSurface::push_current(&surf);
                        set_draw_color(Color::Red);
                        set_line_style(LineStyle::Solid, 3);
                        let coords = app::event_coords();
                        draw_line(x, y, coords.0, coords.1);
                        x = coords.0;
                        y = coords.1;
                        ImageSurface::pop_current();
                        f.redraw();
                        true
                    }
                    _ => false,
                }
            }
        });
        Self { frame, surf }
    }
examples/pong.rs (line 48)
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fn main() {
    let app = app::App::default();
    let mut wind = window::Window::default()
        .with_size(800, 600)
        .center_screen()
        .with_label("Pong!");
    let mut ball = Ball {
        wid: valuator::FillDial::new(0, 0, 40, 40, ""),
        pos: (0, 0),
        dir: (Direction::Positive, Direction::Positive),
    };
    ball.wid.set_color(enums::Color::White);
    wind.set_color(enums::Color::Black);
    wind.end();
    wind.show();

    let paddle_pos = Rc::from(RefCell::from(320)); // paddle's starting x position
    let paddle_c = paddle_pos.clone();

    // This is called whenever the window is drawn and redrawn (in the event loop)
    wind.draw(move |_| {
        draw::set_draw_color(enums::Color::White);
        draw::draw_rectf(*paddle_c.borrow(), 540, 160, 20);
    });

    let paddle_c = paddle_pos.clone();
    wind.handle(move |_, ev| {
        match ev {
            enums::Event::Move => {
                // Mouse's x position relative to the paddle's center
                *paddle_pos.borrow_mut() = app::event_coords().0 - 80;
                true
            }
            _ => false,
        }
    });

    app::add_idle3(move |_| {
        ball.pos.0 += 10 * ball.dir.0 as i32; // The increment in x position
        ball.pos.1 += 10 * ball.dir.1 as i32; // The increment in y position
        if ball.pos.1 == 540 - 40
            && (ball.pos.0 > *paddle_c.borrow() - 40 && ball.pos.0 < *paddle_c.borrow() + 160)
        {
            ball.dir.1 = Direction::Negative; // Reversal of motion when hitting the paddle
        }
        if ball.pos.1 == 0 {
            ball.dir.1 = Direction::Positive; // Reversal of motion when hitting the top border
        }
        if ball.pos.0 == 800 - 40 {
            ball.dir.0 = Direction::Negative; // Reversal of motion when hitting the right border
        }
        if ball.pos.0 == 0 {
            ball.dir.0 = Direction::Positive; // Reversal of motion when hitting the left border
        }
        if ball.pos.1 > 600 {
            // Resetting the ball position after it bypasses the paddle
            ball.pos = (0, 0);
            ball.dir = (Direction::Positive, Direction::Positive);
        }
        ball.wid.resize(ball.pos.0, ball.pos.1, 40, 40); // Moves the ball
        wind.redraw();
        // sleeps are necessary when calling redraw in the event loop
        app::sleep(0.016);
    });
    app.run().unwrap();
}
examples/tree.rs (line 51)
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    fn new(x: i32, y: i32, width: i32, height: i32, title: &'static str) -> Self {
        let mut t_widget = Tree::new(x, y, width, height, title);
        let previous_focus = Rc::new(RefCell::new(None::<TreeItem>));
        let pfr = Rc::clone(&previous_focus);
        t_widget.handle(move |t, e| match e {
            Event::Move => {
                let (_, mouse_y) = app::event_coords();
                let mut state = State::Undefined;
                let mut pf = pfr.borrow_mut();
                loop {
                    match &*pf {
                        Some(item) => {
                            let item_y = item.y();
                            match state {
                                State::MovingUp => {
                                    if verify_open_till_root(&pf) == true {
                                        if mouse_y < item_y {
                                            *pf = pf.as_ref().unwrap().prev();
                                            continue;
                                        };
                                        break;
                                    } else {
                                        *pf = pf.as_ref().unwrap().prev();
                                        continue;
                                    }
                                }
                                State::MovingDown => {
                                    if verify_open_till_root(&pf) == true {
                                        if mouse_y > item_y + item.h() {
                                            *pf = pf.as_ref().unwrap().next();
                                            continue;
                                        };
                                        break;
                                    } else {
                                        *pf = pf.as_ref().unwrap().next();
                                        continue;
                                    }
                                }
                                State::Undefined => {
                                    if mouse_y < item_y {
                                        *pf = pf.as_ref().unwrap().prev();
                                        state = State::MovingUp;
                                        continue;
                                    };
                                    if mouse_y > item_y + item.h() {
                                        *pf = pf.as_ref().unwrap().next();
                                        state = State::MovingDown;
                                        continue;
                                    };
                                    return true; // If in same range, don't update 'previous_focus'
                                }
                            }
                        }
                        // End up here if y is outside tree boundaries, or no tree item is present
                        None => match &state {
                            State::MovingUp | State::MovingDown => return true,
                            State::Undefined => {
                                *pf = t.first();
                                state = State::MovingDown;
                                if pf.is_none() {
                                    return true;
                                }
                                continue;
                            }
                        },
                    };
                }
                if verify_open_till_root(&pf) == true {
                    t.take_focus().ok();
                    t.set_item_focus(&pf.as_ref().unwrap());
                    println!("Set focus to item: {:?}", pf.as_ref().unwrap().label());
                }
                true
            }
            _ => false,
        });
        Self {
            t_widget,
            previous_focus,
        }
    }