feat: initial commit

This commit is contained in:
Nathan
2025-06-03 15:48:59 -06:00
commit eb59c1b50a
8 changed files with 1998 additions and 0 deletions

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dot-matrix/Cargo.toml Normal file
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[package]
name = "dot-matrix"
version = "0.1.0"
edition = "2021"
[dependencies]
gtk = { version = "0.7", package = "gtk4" }
glib = "0.17"
cairo-rs = "0.17"
rand = "0.9.1"

76
dot-matrix/src/main.rs Normal file
View File

@@ -0,0 +1,76 @@
use rand::prelude::*;
use gtk::prelude::*;
use gtk::{Application, ApplicationWindow, DrawingArea};
use gtk::cairo::Context;
fn main() {
let app = Application::builder()
.application_id("com.example.DotMatrix")
.build();
app.connect_activate(build_ui);
app.run();
}
fn build_ui(app: &gtk::Application) {
let window = ApplicationWindow::builder()
.application(app)
.title("Dot Matrix")
.default_width(1000)
.default_height(800)
.build();
let drawing_area = DrawingArea::new();
let mut rng = rand::rng();
let rows = 100 as u32;
let cols = 100 as u32;
// Generate the matrix using iterators
let dot_matrix: Vec<Vec<u32>> = (0..rows)
.map(|_| {
(0..cols)
.map(|_| rng.random_range(0..=10))
.collect()
})
.collect();
drawing_area.set_draw_func(move |_area, cr, width, height| {
draw_dot_matrix(cr, width, height, &dot_matrix);
});
window.set_child(Some(&drawing_area));
window.show();
}
fn draw_dot_matrix(cr: &Context, width: i32, height: i32, matrix: &Vec<Vec<u32>>) {
let rows = matrix.len();
let cols = if rows > 0 { matrix[0].len() } else { 0 };
// Background: dark gray
cr.set_source_rgb(0.1, 0.1, 0.1);
cr.rectangle(0.0, 0.0, width as f64, height as f64);
cr.fill();
// Set dot color (yellow)
cr.set_source_rgb(1.0, 1.0, 0.0);
// Calculate spacing
let spacing_x = 8.0;
let spacing_y = 8.0;
let radius = 2.0;
for (row_index, row) in matrix.iter().enumerate() {
for (col_index, &val) in row.iter().enumerate() {
if val == 1 {
let x = (col_index as f64 + 0.5) * spacing_x;
let y = (row_index as f64 + 0.5) * spacing_y;
cr.arc(x, y, radius, 0.0, std::f64::consts::PI * 2.0);
cr.fill();
}
}
}
}

1
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/target

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10
gtk_grid/Cargo.toml Normal file
View File

@@ -0,0 +1,10 @@
[package]
name = "gtk_grid"
version = "0.1.0"
edition = "2021"
[dependencies]
gdk4 = "0.9.6"
gtk4 = "0.9.6"
rand = "0.9.1"

109
gtk_grid/src/main.rs Normal file
View File

@@ -0,0 +1,109 @@
use gdk4::{Cursor, Display};
use gtk4::prelude::*;
use gtk4::{Application, ApplicationWindow, DrawingArea, EventControllerMotion};
use rand::Rng;
use std::cell::RefCell;
use std::rc::Rc;
const GRID_SIZE: usize = 10;
const SQUARE_SIZE: f64 = 30.0;
const BORDER_WIDTH: f64 = 1.0;
fn main() {
let app = gtk4::Application::builder()
.application_id("com.example.GridHover")
.build();
app.connect_activate(build_ui);
app.run();
}
fn build_ui(app: &gtk4::Application) {
let colors = Rc::new(generate_colors());
let hover_cell = Rc::new(RefCell::new(None::<(usize, usize)>));
let drawing_area = DrawingArea::new();
let canvas_size = (GRID_SIZE as f64 * (SQUARE_SIZE + BORDER_WIDTH)) as i32;
drawing_area.set_content_width(canvas_size);
drawing_area.set_content_height(canvas_size);
drawing_area.set_focusable(true);
drawing_area.set_draw_func({
let colors = colors.clone();
let hover_cell = hover_cell.clone();
move |_, cr, _, _| {
for row in 0..GRID_SIZE {
for col in 0..GRID_SIZE {
let x = col as f64 * (SQUARE_SIZE + BORDER_WIDTH);
let y = row as f64 * (SQUARE_SIZE + BORDER_WIDTH);
// Draw white border
cr.set_source_rgb(1.0, 1.0, 1.0);
cr.rectangle(x, y, SQUARE_SIZE + BORDER_WIDTH, SQUARE_SIZE + BORDER_WIDTH);
cr.fill().unwrap();
// Highlighted?
if Some((col, row)) == *hover_cell.borrow() {
cr.set_source_rgb(0.5, 0.5, 0.5); // gray
} else {
let (r, g, b) = colors[row][col];
cr.set_source_rgb(r, g, b);
}
cr.rectangle(
x + BORDER_WIDTH / 2.0,
y + BORDER_WIDTH / 2.0,
SQUARE_SIZE,
SQUARE_SIZE,
);
cr.fill().unwrap();
}
}
}
});
let display = Display::default().unwrap();
let cursor = Cursor::from_name("pointer", None);
if let Some(cursor) = cursor {
drawing_area.set_cursor(Some(&cursor));
}
drawing_area.add_controller({
let hover_cell = hover_cell.clone();
let drawing_area = drawing_area.clone();
let motion_controller = gtk4::EventControllerMotion::new();
motion_controller.connect_motion(move |_, x, y| {
let col = (x / (SQUARE_SIZE + BORDER_WIDTH)).floor() as usize;
let row = (y / (SQUARE_SIZE + BORDER_WIDTH)).floor() as usize;
if col < GRID_SIZE && row < GRID_SIZE {
*hover_cell.borrow_mut() = Some((col, row));
} else {
*hover_cell.borrow_mut() = None;
}
drawing_area.queue_draw();
});
motion_controller
});
let window = ApplicationWindow::builder()
.application(app)
.title("Hover Highlight Grid")
.child(&drawing_area)
.build();
window.present();
}
fn generate_colors() -> Vec<Vec<(f64, f64, f64)>> {
let mut rng = rand::rng();
(0..GRID_SIZE)
.map(|_| {
(0..GRID_SIZE)
.map(|_| (rng.random(), rng.random(), rng.random()))
.collect()
})
.collect()
}