use fltk::{app, button::*, draw::*, frame::*, window::*};
use std::cell::RefCell;
use std::rc::Rc;
fn main() {
let app = app::App::default().with_scheme(app::Scheme::Gtk);
let mut wind = DoubleWindow::new(100, 100, 800, 600, "RustyPainter");
let mut frame = Frame::new(5, 5, 790, 590, "");
frame.set_color(Color::White);
frame.set_frame(FrameType::DownBox);
wind.end();
wind.show();
let offs = Offscreen::new(790, 590).unwrap();
offs.begin();
set_draw_color(Color::White);
draw_rectf(0, 0, 790, 590);
offs.end();
let mut frame_c = frame.clone();
let offs = Rc::from(RefCell::from(offs));
let offs_rc = offs.clone();
frame.draw(Box::new(move || {
if offs_rc.borrow().is_valid() {
offs_rc.borrow().copy(5, 5, 790, 590, 0, 0);
}
}));
let mut x = 0;
let mut y = 0;
frame_c.handle(Box::new(move |ev| {
set_draw_color(Color::Red);
set_line_style(LineStyle::Solid, 3);
match ev {
Event::Push => {
offs.borrow().begin();
let coords = app::event_coords();
x = coords.0;
y = coords.1;
draw_point(x, y);
offs.borrow().end();
frame.redraw();
true
}
Event::Drag => {
offs.borrow().begin();
let coords = app::event_coords();
draw_line(x, y, coords.0, coords.1);
x = coords.0;
y = coords.1;
offs.borrow().end();
frame.redraw();
true
}
_ => false,
}
}));
app.run().unwrap();
}