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simple_app.rs
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simple_app.rs
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use embedded_graphics::prelude::*;
use embedded_graphics::primitives::Rectangle;
use nw_gui::{
app::App,
calculator::{Calculator, Color, Event},
gui::{
text::{TextInputContext, TextInputState},
theme::Theme,
widgets::{Button, SplitDirection, SplitLayout, TextBox},
Widget,
},
};
use heapless::String;
#[test]
fn os_main() {
let mut calc = Calculator::new().unwrap();
calc.render();
let mut app = SimpleApp::new();
app.run(&mut calc);
}
struct SimpleApp {
gui: SplitLayout<
SplitLayout<TextBox<SharedAppState, 16>, Button<SharedAppState>>,
SplitLayout<Button<SharedAppState>, TextBox<SharedAppState, 32>>,
>,
state: SharedAppState,
theme: Theme,
}
impl App for SimpleApp {
fn new() -> Self {
let mut app = Self {
gui: SplitLayout::new(
Rectangle::new(Point::new(0, 0), Size::new(320, 240)),
SplitDirection::Horizontal,
0.5,
),
state: SharedAppState {
new_color: None,
input_state: TextInputState::new(),
},
theme: Theme::default(),
};
app.gui.attach_first(
SplitLayout::new(Rectangle::default(), SplitDirection::Vertical, 0.1),
(0, 0),
);
app.gui
.get_first_mut()
.unwrap()
.attach_first(TextBox::new(Rectangle::default(), false), (2, 2));
app.gui.get_first_mut().unwrap().get_first_mut().unwrap().value = "Mods: ".into();
app.gui.get_first_mut().unwrap().attach_second(
Button::new(String::from("Button!"), Rectangle::default(), |context| {
println!("Pressed!");
context.new_color = Some(Color::CSS_DARK_MAGENTA);
}),
(5, 20),
);
app.gui.attach_second(
SplitLayout::new(Rectangle::default(), SplitDirection::Vertical, 0.2),
(0, 0),
);
app.gui.get_second_mut().unwrap().attach_first(
Button::new(String::from("Button!"), Rectangle::default(), |context| {
println!("Pressed 2!");
context.new_color = Some(Color::CSS_DARK_ORCHID);
}),
(10, 5),
);
app.gui
.get_second_mut()
.unwrap()
.attach_second(TextBox::new(Rectangle::default(), true), (3, 3));
app
}
fn run(&mut self, calc: &mut Calculator) {
'running: loop {
self.gui.render(calc.get_draw_target(), &self.theme);
calc.render();
for e in calc.events() {
if let Some(e) = self.gui.on_event(e, &mut self.state) {
match e {
Event::HardQuit => break 'running,
_ => (),
}
}
// apply state changes
if let Some(color) = self.state.new_color {
self.theme.background = color;
}
let mut input_state_string: String<16> = String::from("Mods: ");
if self.state.input_state.get_shift() {
input_state_string.push_str(" S ").unwrap();
} else {
input_state_string.push_str(" ").unwrap();
}
input_state_string
.push_str(match self.state.input_state.get_alpha() {
nw_gui::gui::text::AlphaState::Big(lock) => {
if lock {
"@A"
} else {
" A"
}
}
nw_gui::gui::text::AlphaState::No => " ",
nw_gui::gui::text::AlphaState::Small(lock) => {
if lock {
"@a"
} else {
" a"
}
}
})
.unwrap();
self.gui.get_first_mut().unwrap().get_first_mut().unwrap().value = input_state_string;
}
}
}
}
#[derive(Debug)]
struct SharedAppState {
new_color: Option<Color>,
input_state: TextInputState,
}
impl TextInputContext for SharedAppState {
fn get_context(&mut self) -> &mut TextInputState {
&mut self.input_state
}
}