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use crate::{
code_convert::*,
nuhxboard::*,
types::{config::*, settings::*, style::*},
};
use iced::{
mouse,
widget::canvas,
widget::canvas::{Geometry, Path},
Color, Rectangle, Renderer, Theme,
};
macro_rules! draw_key {
($self: ident, $def: ident, $frame: ident, $content: expr, $pressed_button_list: expr) => {
let mut boundaries_iter = $def.boundaries.iter();
let key = Path::new(|builder| {
builder.move_to((*boundaries_iter.next().unwrap()).clone().into());
for boundary in boundaries_iter {
builder.line_to((*boundary).clone().into());
}
builder.close();
});
let element_style = &$self
.style
.element_styles
.iter()
.find(|style| style.key == $def.id);
let style: &KeyStyle;
if let Some(s) = element_style {
style = match &s.value {
ElementStyleUnion::KeyStyle(i_s) => i_s,
ElementStyleUnion::MouseSpeedIndicatorStyle(_) => unreachable!(),
};
} else {
style = &$self.style.default_key_style;
}
let mut pressed = false;
for keycode in &$def.keycodes {
if $pressed_button_list.contains_key(keycode) {
pressed = true;
break;
}
}
let current_style = match pressed {
true => &style.pressed,
false => &style.loose,
};
$frame.fill(
&key,
Color::from_rgb(
current_style.background.red / 255.0,
current_style.background.blue / 255.0,
current_style.background.green / 255.0,
),
);
$frame.fill_text(canvas::Text {
content: $content,
position: $def.text_position.clone().into(),
color: Color::from_rgb(
current_style.text.red / 255.0,
current_style.text.green / 255.0,
current_style.text.blue / 255.0,
),
size: iced::Pixels(style.loose.font.size),
font: iced::Font {
family: iced::font::Family::Name(
// Leak is required because Name requires static lifetime
// as opposed to application lifetime.
// I suppose they were just expecting you to pass in a
// literal here... damn you!!
current_style.font.font_family.clone().leak(),
),
weight: if current_style.font.style & 1 != 0 {
iced::font::Weight::Bold
} else {
iced::font::Weight::Normal
},
stretch: iced::font::Stretch::Normal,
style: if current_style.font.style & 0b10 != 0 {
iced::font::Style::Italic
} else {
iced::font::Style::Normal
},
},
horizontal_alignment: iced::alignment::Horizontal::Center,
vertical_alignment: iced::alignment::Vertical::Center,
shaping: iced::widget::text::Shaping::Advanced,
..Default::default()
})
};
}
impl<Message> canvas::Program<Message> for NuhxBoard {
type State = ();
fn draw(
&self,
_state: &Self::State,
renderer: &Renderer,
_theme: &Theme,
bounds: Rectangle,
_cursor: mouse::Cursor,
) -> Vec<Geometry> {
let canvas = self.canvas.draw(renderer, bounds.size(), |frame| {
for element in &self.config.elements {
match element {
BoardElement::KeyboardKey(def) => {
draw_key!(
self,
def,
frame,
{
let shift_pressed = self
.pressed_keys
.contains_key(&keycode_convert(rdev::Key::ShiftLeft).unwrap())
|| self.pressed_keys.contains_key(
&keycode_convert(rdev::Key::ShiftRight).unwrap(),
);
match def.change_on_caps {
true => match self.caps
^ (shift_pressed
&& (self.settings.capitalization
== Capitalization::Follow
|| self.settings.follow_for_caps_sensitive))
{
true => def.shift_text.clone(),
false => def.text.clone(),
},
false => match shift_pressed
&& (self.settings.capitalization == Capitalization::Follow
|| self.settings.follow_for_caps_insensitive)
{
true => def.shift_text.clone(),
false => def.text.clone(),
},
}
},
self.pressed_keys
);
}
BoardElement::MouseKey(def) => {
draw_key!(
self,
def,
frame,
def.text.clone(),
self.pressed_mouse_buttons
);
}
BoardElement::MouseScroll(def) => {
draw_key!(
self,
def,
frame,
def.text.clone(),
self.pressed_scroll_buttons
);
}
BoardElement::MouseSpeedIndicator(def) => {
let inner = Path::circle(def.location.clone().into(), def.radius / 5.0);
let outer = Path::circle(def.location.clone().into(), def.radius);
let polar_velocity = (
(self.mouse_velocity.0.powi(2) + self.mouse_velocity.1.powi(2)).sqrt(),
self.mouse_velocity.1.atan2(self.mouse_velocity.0),
);
let squashed_magnitude =
(self.settings.mouse_sensitivity * 0.000001 * polar_velocity.0).tanh();
let ball = Path::circle(
iced::Point {
x: def.location.x + (def.radius * polar_velocity.1.cos()),
y: def.location.y + (def.radius * polar_velocity.1.sin()),
},
def.radius / 5.0,
);
// This is a whole lot of trig... just trust the process...
// Check out [This Desmos thing](https://www.desmos.com/calculator/wf52bomadb) if you want to see it all workin
let triangle = Path::new(|builder| {
builder.move_to(iced::Point {
x: def.location.x
+ (squashed_magnitude
* ((def.radius * polar_velocity.1.cos())
- ((def.radius / 5.0)
* (-polar_velocity.1.tan().powi(-1))
.atan()
.cos()))),
y: def.location.y
+ (squashed_magnitude
* ((def.radius * polar_velocity.1.sin())
- ((def.radius / 5.0)
* (-polar_velocity.1.tan().powi(-1))
.atan()
.sin()))),
});
builder.line_to(iced::Point {
x: def.location.x
+ (squashed_magnitude
* ((def.radius * polar_velocity.1.cos())
+ ((def.radius / 5.0)
* (-polar_velocity.1.tan().powi(-1))
.atan()
.cos()))),
y: def.location.y
+ (squashed_magnitude
* ((def.radius * polar_velocity.1.sin())
+ ((def.radius / 5.0)
* (-polar_velocity.1.tan().powi(-1))
.atan()
.sin()))),
});
builder.line_to(def.location.clone().into());
builder.close();
});
let element_style = &self
.style
.element_styles
.iter()
.find(|style| style.key == def.id);
let style: &MouseSpeedIndicatorStyle;
let default_style = &self.style.default_mouse_speed_indicator_style;
if let Some(s) = element_style {
style = match &s.value {
ElementStyleUnion::KeyStyle(_) => unreachable!(),
ElementStyleUnion::MouseSpeedIndicatorStyle(i_s) => i_s,
};
} else {
style = default_style;
}
frame.fill(
&inner,
Color::from_rgb(
style.inner_color.red / 255.0,
style.inner_color.green / 255.0,
style.inner_color.blue / 255.0,
),
);
frame.stroke(
&outer,
canvas::Stroke {
width: style.outline_width,
line_cap: canvas::LineCap::Round,
style: canvas::Style::Solid(Color::from_rgb(
style.inner_color.red / 255.0,
style.inner_color.green / 255.0,
style.inner_color.blue / 255.0,
)),
line_dash: canvas::LineDash {
segments: &[],
offset: 0,
},
line_join: canvas::LineJoin::Round,
},
);
let ball_gradient = colorgrad::CustomGradient::new()
.colors(&[
colorgrad::Color::new(
style.inner_color.red as f64 / 255.0,
style.inner_color.green as f64 / 255.0,
style.inner_color.blue as f64 / 255.0,
1.0,
),
colorgrad::Color::new(
style.outer_color.red as f64 / 255.0,
style.outer_color.green as f64 / 255.0,
style.outer_color.blue as f64 / 255.0,
1.0,
),
])
.build()
.unwrap();
let ball_color = ball_gradient.at(squashed_magnitude as f64);
frame.fill(
&ball,
Color::from_rgb(
ball_color.r as f32,
ball_color.g as f32,
ball_color.b as f32,
),
);
let triangle_gradient = iced::widget::canvas::gradient::Linear::new(
def.location.clone().into(),
iced::Point {
x: def.location.x + (def.radius * polar_velocity.1.cos()),
y: def.location.y + (def.radius * polar_velocity.1.sin()),
},
)
.add_stop(
0.0,
iced::Color::from_rgb(
style.inner_color.red / 255.0,
style.inner_color.green / 255.0,
style.inner_color.blue / 255.0,
),
)
.add_stop(
1.0,
iced::Color::from_rgb(
style.outer_color.red / 255.0,
style.outer_color.green / 255.0,
style.outer_color.blue / 255.0,
),
);
frame.fill(&triangle, triangle_gradient);
}
}
}
});
vec![canvas]
}
}