Skip to content

Provide a simple calculator UI (no calculation logic) #938

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
bikathi wants to merge 1 commit into
base: main
Choose a base branch
from
+235 −0
Open

Provide a simple calculator UI (no calculation logic) #938

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions examples/calculator-ui/Cargo.toml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
[package]
name = "floem-calculator"
version = "0.1.0"
edition = "2024"

[dependencies]
floem = { git = "https://github.com/lapce/floem" }
76 changes: 76 additions & 0 deletions examples/calculator-ui/src/base_styles.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
use std::time::Duration;

use floem::{
peniko::Color,
style::{Style, TextColor, Transition},
style_class,
views::{Button, Decorators, button},
};

style_class!(pub InputBtn);
style_class!(pub AppWindow);
style_class!(pub InputButtonIsland);
style_class!(pub OutputTxt);

pub fn default_theme_buttons_style() -> Style {
Style::new()
.height_full()
.flex()
.items_center()
.justify_center()
.width(50f64)
}

pub fn render_input_button(text: &'static str) -> Button {
button(text).class(InputBtn).style(|s| {
s.flex()
.items_center()
.justify_center()
.border_top_left_radius(50)
.border_bottom_left_radius(50)
.border_bottom_right_radius(50)
.border_top_right_radius(50)
.font_bold()
.font_size(24f64)
})
}

fn dark_input_button() -> Style {
Style::new()
.background(Color::from_rgb8(223, 208, 184))
.color(Color::from_rgb8(148, 137, 121))
.transition(
TextColor,
Transition::ease_in_out(Duration::from_millis(5000)),
)
}

fn light_input_button() -> Style {
Style::new()
.background(Color::from_rgb8(255, 239, 239))
.color(Color::from_rgb8(243, 208, 215))
.transition(
TextColor,
Transition::ease_in_out(Duration::from_millis(1000)),
)
}

pub fn dark_theme() -> Style {
Style::new()
.background(Color::from_rgb8(34, 40, 49))
.class(InputBtn, move |_| dark_input_button())
.class(InputButtonIsland, move |s| {
s.background(Color::from_rgb8(57, 62, 70))
})
.class(OutputTxt, move |s| s.color(Color::from_rgb8(148, 137, 121)))
}

pub fn light_theme() -> Style {
Style::new()
.background(Color::from_rgb8(246, 245, 242))
.class(InputBtn, move |_| light_input_button())
.class(InputButtonIsland, move |s| {
s.background(Color::from_rgb8(240, 235, 227))
})
.class(OutputTxt, move |s| s.color(Color::from_rgb8(243, 208, 215)))
}
152 changes: 152 additions & 0 deletions examples/calculator-ui/src/main.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,152 @@
use floem::{
kurbo::Size,
prelude::{palette::css, *},
reactive::WriteSignal,
taffy::{self, prelude::FromFr},
unit::{Px, PxPct},
views::{Decorators, container, svg},
window::WindowConfig,
};
mod base_styles;

fn theme_switch_stack(set_theme: WriteSignal<bool>) -> Stack {
// sun icon
let svg_content: &str = r##"
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 24 24"
fill="none"
stroke="#ffffff"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<path d="M12 12m-4 0a4 4 0 1 0 8 0a4 4 0 1 0 -8 0" />
<path d="M3 12h1m8 -9v1m8 8h1m-9 8v1m-6.4 -15.4l.7 .7m12.1 -.7l-.7 .7m0 11.4l.7 .7m-12.1 -.7l-.7 .7" />
</svg>"##;

let moon_content: &str = r##"
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 24 24"
fill="none"
stroke="#ffffff"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<path d="M12 3c.132 0 .263 0 .393 0a7.5 7.5 0 0 0 7.92 12.446a9 9 0 1 1 -8.313 -12.454z" />
</svg>"##;

h_stack((
button(svg(svg_content).style(|s| s.size(22, 22).color(css::WHITE)))
.style(|s| {
s.border_top_left_radius(PxPct::Px(10f64))
.border_bottom_left_radius(PxPct::Px(10f64))
.apply(base_styles::default_theme_buttons_style())
})
.action(move || set_theme.update(|is_theme_dark| *is_theme_dark = false)),
button(svg(moon_content).style(|s| s.size(22, 22).color(css::WHITE)))
.style(|s| {
s.border_top_right_radius(PxPct::Px(10f64))
.border_bottom_right_radius(PxPct::Px(10f64))
.apply(base_styles::default_theme_buttons_style())
})
.action(move || set_theme.update(|is_theme_dark| *is_theme_dark = true)),
))
.style(|s| {
s.flex()
.items_center()
.justify_center()
.width_full()
.height(36f64)
})
}

fn calculator_buttons_stack() -> Stack {
v_stack((
base_styles::render_input_button("7"),
base_styles::render_input_button("8"),
base_styles::render_input_button("9"),
base_styles::render_input_button("/"),
base_styles::render_input_button("4"),
base_styles::render_input_button("5"),
base_styles::render_input_button("6"),
base_styles::render_input_button("*"),
base_styles::render_input_button("1"),
base_styles::render_input_button("2"),
base_styles::render_input_button("3"),
base_styles::render_input_button("-"),
base_styles::render_input_button("0"),
base_styles::render_input_button("CLS"),
base_styles::render_input_button("="),
base_styles::render_input_button("+"),
))
.style(|s| {
s.display(taffy::style::Display::Grid)
.grid_template_columns(vec![
taffy::style::TrackSizingFunction::from_fr(25.0),
taffy::style::TrackSizingFunction::from_fr(25.0),
taffy::style::TrackSizingFunction::from_fr(25.0),
taffy::style::TrackSizingFunction::from_fr(25.0),
])
.gap(5)
.flex_grow(100f32)
.border_top_left_radius(30f32)
.border_top_right_radius(30f32)
.border_bottom_left_radius(30f32)
.border_bottom_right_radius(30f32)
.padding(16f32)
})
.class(base_styles::InputButtonIsland)
}

fn calculator_view() -> impl IntoView {
let (is_dark_theme, set_theme) = create_signal(true);

v_stack((
theme_switch_stack(set_theme),
container((label(move || String::from("0"))
.style(|s| s.font_size(Px(32f64)).font_bold())
.class(base_styles::OutputTxt),))
.style(|s| {
s.width_full()
.flex()
.justify_end()
.items_end()
.height(200f64)
}),
calculator_buttons_stack(),
))
.style(move |_| {
{
if is_dark_theme.get() {
base_styles::dark_theme()
} else {
base_styles::light_theme()
}
}
.size_full()
.flex()
.flex_col()
.gap(10)
.padding(5)
})
}

fn main() {
floem::Application::new()
.window(
|_| calculator_view(),
Some(
WindowConfig::default()
.apply_default_theme(false)
.resizable(false)
.size(Size {
width: 400f64,
height: 800f64,
}),
),
)
.run()
}