egui/emgui_wasm/src/app.rs
2019-01-07 00:03:29 +01:00

119 lines
4 KiB
Rust

use emgui::{math::*, types::*, Region};
pub trait GuiSettings {
fn show_gui(&mut self, gui: &mut Region);
}
pub struct App {
checked: bool,
count: i32,
selected_alternative: i32,
size: Vec2,
corner_radius: f32,
stroke_width: f32,
}
impl Default for App {
fn default() -> App {
App {
checked: true,
selected_alternative: 0,
count: 0,
size: vec2(100.0, 50.0),
corner_radius: 5.0,
stroke_width: 2.0,
}
}
}
impl GuiSettings for App {
fn show_gui(&mut self, gui: &mut Region) {
gui.label(format!(
"Screen size: {} x {}",
gui.input().screen_size.x,
gui.input().screen_size.y,
));
gui.label("Hover me").tooltip_text(
"This is a multiline tooltip that demonstrates that you can easily add tooltips to any element.\nThis is the second line.\nThis is the third.",
);
gui.checkbox("checkbox", &mut self.checked);
gui.horizontal(|gui| {
if gui.radio("First", self.selected_alternative == 0).clicked {
self.selected_alternative = 0;
}
if gui.radio("Second", self.selected_alternative == 1).clicked {
self.selected_alternative = 1;
}
if gui.radio("Final", self.selected_alternative == 2).clicked {
self.selected_alternative = 2;
}
});
if gui
.button("Click me")
.tooltip_text("This will just increase a counter.")
.clicked
{
self.count += 1;
}
gui.label(format!("This is a multiline label.\nThe button have been clicked {} times.\nBelow are more options.", self.count));
gui.foldable("Test box rendering", |gui| {
gui.slider_f32("width", &mut self.size.x, 0.0, 500.0);
gui.slider_f32("height", &mut self.size.y, 0.0, 500.0);
gui.slider_f32("corner_radius", &mut self.corner_radius, 0.0, 50.0);
gui.slider_f32("stroke_width", &mut self.stroke_width, 0.0, 10.0);
let pos = gui.cursor();
gui.add_graphic(GuiCmd::PaintCommands(vec![PaintCmd::Rect {
corner_radius: self.corner_radius,
fill_color: Some(srgba(136, 136, 136, 255)),
pos,
size: self.size,
outline: Some(Outline {
width: self.stroke_width,
color: srgba(255, 255, 255, 255),
}),
}]));
gui.reserve_space(self.size, None);
});
gui.foldable("LayoutOptions", |gui| {
let mut options = gui.options().clone();
options.show_gui(gui);
gui.set_options(options);
});
}
}
impl GuiSettings for emgui::LayoutOptions {
fn show_gui(&mut self, gui: &mut Region) {
if gui.button("Reset LayoutOptions").clicked {
*self = Default::default();
}
gui.slider_f32("item_spacing.x", &mut self.item_spacing.x, 0.0, 10.0);
gui.slider_f32("item_spacing.y", &mut self.item_spacing.y, 0.0, 10.0);
gui.slider_f32("window_padding.x", &mut self.window_padding.x, 0.0, 10.0);
gui.slider_f32("window_padding.y", &mut self.window_padding.y, 0.0, 10.0);
gui.slider_f32("indent", &mut self.indent, 0.0, 100.0);
gui.slider_f32("button_padding.x", &mut self.button_padding.x, 0.0, 20.0);
gui.slider_f32("button_padding.y", &mut self.button_padding.y, 0.0, 20.0);
gui.slider_f32("start_icon_width", &mut self.start_icon_width, 0.0, 60.0);
}
}
impl GuiSettings for emgui::Style {
fn show_gui(&mut self, gui: &mut Region) {
if gui.button("Reset Style").clicked {
*self = Default::default();
}
gui.checkbox("debug_rects", &mut self.debug_rects);
gui.slider_f32("line_width", &mut self.line_width, 0.0, 10.0);
gui.slider_f32("font_size", &mut self.font_size, 5.0, 32.0);
}
}