315 lines
11 KiB
Rust
315 lines
11 KiB
Rust
use orbclient::{Color, EventOption, Renderer, Window, WindowFlag};
|
|
use std::{cmp, env, fs, time::Instant};
|
|
use text::{FontLineIndex, FontSystem, TextAction, TextBuffer, TextCursor};
|
|
|
|
fn main() {
|
|
let display_scale = match orbclient::get_display_size() {
|
|
Ok((w, h)) => {
|
|
eprintln!("Display size: {}, {}", w, h);
|
|
(h as i32 / 1600) + 1
|
|
}
|
|
Err(err) => {
|
|
eprintln!("Failed to get display size: {}", err);
|
|
1
|
|
}
|
|
};
|
|
|
|
let mut window = Window::new_flags(
|
|
-1,
|
|
-1,
|
|
1024 * display_scale as u32,
|
|
768 * display_scale as u32,
|
|
"COSMIC TEXT",
|
|
&[WindowFlag::Resizable],
|
|
)
|
|
.unwrap();
|
|
|
|
let font_system = FontSystem::new();
|
|
|
|
let font_matches = font_system.matches(|info| -> bool {
|
|
#[cfg(feature = "mono")]
|
|
let monospaced = true;
|
|
|
|
#[cfg(not(feature = "mono"))]
|
|
let monospaced = false;
|
|
|
|
let matched = {
|
|
info.style == fontdb::Style::Normal &&
|
|
info.weight == fontdb::Weight::NORMAL &&
|
|
info.stretch == fontdb::Stretch::Normal &&
|
|
(info.monospaced == monospaced || info.post_script_name.contains("Emoji"))
|
|
};
|
|
|
|
if matched {
|
|
log::debug!(
|
|
"{:?}: family '{}' postscript name '{}' style {:?} weight {:?} stretch {:?} monospaced {:?}",
|
|
info.id,
|
|
info.family,
|
|
info.post_script_name,
|
|
info.style,
|
|
info.weight,
|
|
info.stretch,
|
|
info.monospaced
|
|
);
|
|
}
|
|
|
|
matched
|
|
}).unwrap();
|
|
|
|
let bg_color = Color::rgb(0x34, 0x34, 0x34);
|
|
let font_color = Color::rgb(0xFF, 0xFF, 0xFF);
|
|
let font_sizes = [
|
|
(10, 14), // Caption
|
|
(14, 20), // Body
|
|
(20, 28), // Title 4
|
|
(24, 32), // Title 3
|
|
(28, 36), // Title 2
|
|
(32, 44), // Title 1
|
|
];
|
|
let font_size_default = 2; // Title 4
|
|
let mut font_size_i = font_size_default;
|
|
|
|
let text = if let Some(arg) = env::args().nth(1) {
|
|
fs::read_to_string(&arg).expect("failed to open file")
|
|
} else {
|
|
#[cfg(feature = "mono")]
|
|
let default_text = include_str!("../res/mono.txt");
|
|
#[cfg(not(feature = "mono"))]
|
|
let default_text = include_str!("../res/proportional.txt");
|
|
default_text.to_string()
|
|
};
|
|
|
|
let line_x = 8 * display_scale;
|
|
let mut buffer = TextBuffer::new(
|
|
&font_matches,
|
|
&text,
|
|
font_sizes[font_size_i].0 * display_scale,
|
|
window.width() as i32 - line_x * 2,
|
|
);
|
|
|
|
let mut ctrl_pressed = false;
|
|
let mut mouse_x = -1;
|
|
let mut mouse_y = -1;
|
|
let mut mouse_left = false;
|
|
let mut rehit = false;
|
|
let mut scroll = 0;
|
|
loop {
|
|
let font_size = buffer.font_size();
|
|
let line_height = font_sizes[font_size_i].1 * display_scale;
|
|
|
|
let window_lines = (window.height() as i32 + line_height - 1) / line_height;
|
|
|
|
buffer.shape_until(scroll + window_lines);
|
|
|
|
scroll = cmp::max(
|
|
0,
|
|
cmp::min(
|
|
buffer.layout_lines().len() as i32 - (window_lines - 1),
|
|
scroll,
|
|
),
|
|
);
|
|
|
|
if rehit {
|
|
let instant = Instant::now();
|
|
|
|
let mut new_cursor_opt = None;
|
|
|
|
let mut line_y = line_height;
|
|
for (line_i, line) in buffer
|
|
.layout_lines()
|
|
.iter()
|
|
.skip(scroll as usize)
|
|
.enumerate()
|
|
{
|
|
if line_y >= window.height() as i32 {
|
|
break;
|
|
}
|
|
|
|
if mouse_left
|
|
&& mouse_y >= line_y - font_size
|
|
&& mouse_y < line_y - font_size + line_height
|
|
{
|
|
let new_cursor_line = line_i + scroll as usize;
|
|
let mut new_cursor_glyph = line.glyphs.len();
|
|
for (glyph_i, glyph) in line.glyphs.iter().enumerate() {
|
|
if mouse_x >= line_x + glyph.x as i32
|
|
&& mouse_x <= line_x + (glyph.x + glyph.w) as i32
|
|
{
|
|
new_cursor_glyph = glyph_i;
|
|
}
|
|
}
|
|
new_cursor_opt = Some(TextCursor::new(new_cursor_line, new_cursor_glyph));
|
|
}
|
|
|
|
line_y += line_height;
|
|
}
|
|
|
|
if let Some(new_cursor) = new_cursor_opt {
|
|
if new_cursor != buffer.cursor {
|
|
buffer.cursor = new_cursor;
|
|
buffer.redraw = true;
|
|
}
|
|
}
|
|
|
|
rehit = false;
|
|
|
|
let duration = instant.elapsed();
|
|
eprintln!("rehit: {:?}", duration);
|
|
}
|
|
|
|
if buffer.redraw {
|
|
let instant = Instant::now();
|
|
|
|
window.set(bg_color);
|
|
|
|
let mut line_y = line_height;
|
|
let mut start_line_opt = None;
|
|
let mut end_line = FontLineIndex::new(0);
|
|
for (line_i, line) in buffer
|
|
.layout_lines()
|
|
.iter()
|
|
.skip(scroll as usize)
|
|
.enumerate()
|
|
{
|
|
if line_y >= window.height() as i32 {
|
|
break;
|
|
}
|
|
|
|
end_line = line.line_i;
|
|
if start_line_opt == None {
|
|
start_line_opt = Some(end_line);
|
|
}
|
|
|
|
if buffer.cursor.line == line_i + scroll as usize {
|
|
if buffer.cursor.glyph >= line.glyphs.len() {
|
|
let x = match line.glyphs.last() {
|
|
Some(glyph) => glyph.x + glyph.w,
|
|
None => 0.0,
|
|
};
|
|
window.rect(
|
|
line_x + x as i32,
|
|
line_y - font_size,
|
|
(font_size / 2) as u32,
|
|
line_height as u32,
|
|
Color::rgba(0xFF, 0xFF, 0xFF, 0x20),
|
|
);
|
|
} else {
|
|
let glyph = &line.glyphs[buffer.cursor.glyph];
|
|
window.rect(
|
|
line_x + glyph.x as i32,
|
|
line_y - font_size,
|
|
glyph.w as u32,
|
|
line_height as u32,
|
|
Color::rgba(0xFF, 0xFF, 0xFF, 0x20),
|
|
);
|
|
|
|
let text_line = &buffer.text_lines()[line.line_i.get()];
|
|
eprintln!(
|
|
"{}, {}: '{}': '{}'",
|
|
glyph.start,
|
|
glyph.end,
|
|
glyph.font.name,
|
|
&text_line[glyph.start..glyph.end],
|
|
);
|
|
}
|
|
}
|
|
|
|
line.draw(font_color.data, |x, y, color| {
|
|
window.pixel(line_x + x, line_y + y, Color { data: color });
|
|
});
|
|
|
|
line_y += line_height;
|
|
}
|
|
|
|
// Draw scrollbar
|
|
{
|
|
let start_line = start_line_opt.unwrap_or(end_line);
|
|
let lines = buffer.text_lines().len();
|
|
let start_y = (start_line.get() * window.height() as usize) / lines;
|
|
let end_y = (end_line.get() * window.height() as usize) / lines;
|
|
if end_y > start_y {
|
|
window.rect(
|
|
window.width() as i32 - line_x as i32,
|
|
start_y as i32,
|
|
line_x as u32,
|
|
(end_y - start_y) as u32,
|
|
Color::rgba(0xFF, 0xFF, 0xFF, 0x40),
|
|
);
|
|
}
|
|
}
|
|
|
|
window.sync();
|
|
|
|
buffer.redraw = false;
|
|
|
|
let duration = instant.elapsed();
|
|
eprintln!("redraw: {:?}", duration);
|
|
}
|
|
|
|
for event in window.events() {
|
|
match event.to_option() {
|
|
EventOption::Key(event) => match event.scancode {
|
|
orbclient::K_CTRL => ctrl_pressed = event.pressed,
|
|
orbclient::K_LEFT if event.pressed => buffer.action(TextAction::Left),
|
|
orbclient::K_RIGHT if event.pressed => buffer.action(TextAction::Right),
|
|
orbclient::K_UP if event.pressed => buffer.action(TextAction::Up),
|
|
orbclient::K_DOWN if event.pressed => buffer.action(TextAction::Down),
|
|
orbclient::K_BKSP if event.pressed => buffer.action(TextAction::Backspace),
|
|
orbclient::K_DEL if event.pressed => buffer.action(TextAction::Delete),
|
|
orbclient::K_PGUP if event.pressed => {
|
|
scroll -= window_lines;
|
|
buffer.redraw = true;
|
|
}
|
|
orbclient::K_PGDN if event.pressed => {
|
|
scroll += window_lines;
|
|
buffer.redraw = true;
|
|
}
|
|
orbclient::K_0 if event.pressed && ctrl_pressed => {
|
|
font_size_i = font_size_default;
|
|
buffer.set_font_size(font_sizes[font_size_i].0 * display_scale);
|
|
}
|
|
orbclient::K_MINUS if event.pressed && ctrl_pressed => {
|
|
if font_size_i > 0 {
|
|
font_size_i -= 1;
|
|
buffer.set_font_size(font_sizes[font_size_i].0 * display_scale);
|
|
}
|
|
}
|
|
orbclient::K_EQUALS if event.pressed && ctrl_pressed => {
|
|
if font_size_i + 1 < font_sizes.len() {
|
|
font_size_i += 1;
|
|
buffer.set_font_size(font_sizes[font_size_i].0 * display_scale);
|
|
}
|
|
}
|
|
_ => (),
|
|
},
|
|
EventOption::TextInput(event) if !ctrl_pressed => {
|
|
buffer.action(TextAction::Insert(event.character));
|
|
}
|
|
EventOption::Mouse(event) => {
|
|
mouse_x = event.x;
|
|
mouse_y = event.y;
|
|
if mouse_left {
|
|
rehit = true;
|
|
}
|
|
}
|
|
EventOption::Button(event) => {
|
|
if event.left != mouse_left {
|
|
mouse_left = event.left;
|
|
if mouse_left {
|
|
rehit = true;
|
|
}
|
|
}
|
|
}
|
|
EventOption::Resize(event) => {
|
|
buffer.set_line_width(event.width as i32 - line_x * 2);
|
|
}
|
|
EventOption::Scroll(event) => {
|
|
scroll -= event.y * 3;
|
|
buffer.redraw = true;
|
|
}
|
|
EventOption::Quit(_) => return,
|
|
_ => (),
|
|
}
|
|
}
|
|
}
|
|
}
|