| 1 |
use super::blocks::Block;
|
| 2 |
use super::font::{DrawingSurface, Font};
|
| 3 |
use crate::Config;
|
| 4 |
use crate::errors::X11Error;
|
| 5 |
use std::time::Instant;
|
| 6 |
use x11rb::COPY_DEPTH_FROM_PARENT;
|
| 7 |
use x11rb::connection::Connection;
|
| 8 |
use x11rb::protocol::xproto::*;
|
| 9 |
use x11rb::rust_connection::RustConnection;
|
| 10 |
|
| 11 |
pub struct Bar {
|
| 12 |
window: Window,
|
| 13 |
width: u16,
|
| 14 |
height: u16,
|
| 15 |
graphics_context: Gcontext,
|
| 16 |
surface: DrawingSurface,
|
| 17 |
|
| 18 |
tag_widths: Vec<u16>,
|
| 19 |
needs_redraw: bool,
|
| 20 |
|
| 21 |
blocks: Vec<Box<dyn Block>>,
|
| 22 |
block_last_updates: Vec<Instant>,
|
| 23 |
block_underlines: Vec<bool>,
|
| 24 |
status_text: String,
|
| 25 |
|
| 26 |
tags: Vec<String>,
|
| 27 |
scheme_normal: crate::ColorScheme,
|
| 28 |
scheme_occupied: crate::ColorScheme,
|
| 29 |
scheme_selected: crate::ColorScheme,
|
| 30 |
scheme_urgent: crate::ColorScheme,
|
| 31 |
hide_vacant_tags: bool,
|
| 32 |
last_occupied_tags: u32,
|
| 33 |
last_current_tags: u32,
|
| 34 |
}
|
| 35 |
|
| 36 |
impl Bar {
|
| 37 |
pub fn new(
|
| 38 |
connection: &RustConnection,
|
| 39 |
screen: &Screen,
|
| 40 |
screen_num: usize,
|
| 41 |
config: &Config,
|
| 42 |
display: *mut x11::xlib::Display,
|
| 43 |
font: &Font,
|
| 44 |
x: i16,
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| 45 |
y: i16,
|
| 46 |
width: u16,
|
| 47 |
) -> Result<Self, X11Error> {
|
| 48 |
let window = connection.generate_id()?;
|
| 49 |
let graphics_context = connection.generate_id()?;
|
| 50 |
|
| 51 |
let height = (font.height() as f32 * 1.4) as u16;
|
| 52 |
|
| 53 |
connection.create_window(
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| 54 |
COPY_DEPTH_FROM_PARENT,
|
| 55 |
window,
|
| 56 |
screen.root,
|
| 57 |
x,
|
| 58 |
y,
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| 59 |
width,
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| 60 |
height,
|
| 61 |
0,
|
| 62 |
WindowClass::INPUT_OUTPUT,
|
| 63 |
screen.root_visual,
|
| 64 |
&CreateWindowAux::new()
|
| 65 |
.background_pixel(config.scheme_normal.background)
|
| 66 |
.event_mask(EventMask::EXPOSURE | EventMask::BUTTON_PRESS)
|
| 67 |
.override_redirect(1),
|
| 68 |
)?;
|
| 69 |
|
| 70 |
connection.create_gc(
|
| 71 |
graphics_context,
|
| 72 |
window,
|
| 73 |
&CreateGCAux::new()
|
| 74 |
.foreground(config.scheme_normal.foreground)
|
| 75 |
.background(config.scheme_normal.background),
|
| 76 |
)?;
|
| 77 |
|
| 78 |
connection.map_window(window)?;
|
| 79 |
connection.flush()?;
|
| 80 |
|
| 81 |
let visual = unsafe { x11::xlib::XDefaultVisual(display, screen_num as i32) };
|
| 82 |
let colormap = unsafe { x11::xlib::XDefaultColormap(display, screen_num as i32) };
|
| 83 |
|
| 84 |
let surface = DrawingSurface::new(
|
| 85 |
display,
|
| 86 |
window as x11::xlib::Drawable,
|
| 87 |
width as u32,
|
| 88 |
height as u32,
|
| 89 |
visual,
|
| 90 |
colormap,
|
| 91 |
)?;
|
| 92 |
|
| 93 |
let horizontal_padding = (font.height() as f32 * 0.4) as u16;
|
| 94 |
|
| 95 |
let tag_widths = config
|
| 96 |
.tags
|
| 97 |
.iter()
|
| 98 |
.map(|tag| {
|
| 99 |
let text_width = font.text_width(tag);
|
| 100 |
text_width + (horizontal_padding * 2)
|
| 101 |
})
|
| 102 |
.collect();
|
| 103 |
|
| 104 |
let blocks: Vec<Box<dyn Block>> = config
|
| 105 |
.status_blocks
|
| 106 |
.iter()
|
| 107 |
.map(|block_config| block_config.to_block())
|
| 108 |
.collect();
|
| 109 |
|
| 110 |
let block_underlines: Vec<bool> = config
|
| 111 |
.status_blocks
|
| 112 |
.iter()
|
| 113 |
.map(|block_config| block_config.underline)
|
| 114 |
.collect();
|
| 115 |
|
| 116 |
let block_last_updates = vec![Instant::now(); blocks.len()];
|
| 117 |
|
| 118 |
Ok(Bar {
|
| 119 |
window,
|
| 120 |
width,
|
| 121 |
height,
|
| 122 |
graphics_context,
|
| 123 |
surface,
|
| 124 |
tag_widths,
|
| 125 |
needs_redraw: true,
|
| 126 |
blocks,
|
| 127 |
block_last_updates,
|
| 128 |
block_underlines,
|
| 129 |
status_text: String::new(),
|
| 130 |
tags: config.tags.clone(),
|
| 131 |
scheme_normal: config.scheme_normal,
|
| 132 |
scheme_occupied: config.scheme_occupied,
|
| 133 |
scheme_selected: config.scheme_selected,
|
| 134 |
scheme_urgent: config.scheme_urgent,
|
| 135 |
hide_vacant_tags: config.hide_vacant_tags,
|
| 136 |
last_occupied_tags: 0,
|
| 137 |
last_current_tags: 0,
|
| 138 |
})
|
| 139 |
}
|
| 140 |
|
| 141 |
pub fn window(&self) -> Window {
|
| 142 |
self.window
|
| 143 |
}
|
| 144 |
|
| 145 |
pub fn height(&self) -> u16 {
|
| 146 |
self.height
|
| 147 |
}
|
| 148 |
|
| 149 |
pub fn invalidate(&mut self) {
|
| 150 |
self.needs_redraw = true;
|
| 151 |
}
|
| 152 |
|
| 153 |
pub fn update_blocks(&mut self) {
|
| 154 |
let now = Instant::now();
|
| 155 |
let mut changed = false;
|
| 156 |
|
| 157 |
for (i, block) in self.blocks.iter_mut().enumerate() {
|
| 158 |
let elapsed = now.duration_since(self.block_last_updates[i]);
|
| 159 |
|
| 160 |
if elapsed >= block.interval() && block.content().is_ok() {
|
| 161 |
self.block_last_updates[i] = now;
|
| 162 |
changed = true;
|
| 163 |
}
|
| 164 |
}
|
| 165 |
|
| 166 |
if changed {
|
| 167 |
let mut parts = Vec::new();
|
| 168 |
for block in &mut self.blocks {
|
| 169 |
if let Ok(text) = block.content() {
|
| 170 |
parts.push(text);
|
| 171 |
}
|
| 172 |
}
|
| 173 |
self.status_text = parts.join("");
|
| 174 |
self.needs_redraw = true;
|
| 175 |
}
|
| 176 |
}
|
| 177 |
|
| 178 |
pub fn draw(
|
| 179 |
&mut self,
|
| 180 |
connection: &RustConnection,
|
| 181 |
font: &Font,
|
| 182 |
display: *mut x11::xlib::Display,
|
| 183 |
current_tags: u32,
|
| 184 |
occupied_tags: u32,
|
| 185 |
urgent_tags: u32,
|
| 186 |
draw_blocks: bool,
|
| 187 |
layout_symbol: &str,
|
| 188 |
keychord_indicator: Option<&str>,
|
| 189 |
) -> Result<(), X11Error> {
|
| 190 |
if !self.needs_redraw {
|
| 191 |
return Ok(());
|
| 192 |
}
|
| 193 |
|
| 194 |
connection.change_gc(
|
| 195 |
self.graphics_context,
|
| 196 |
&ChangeGCAux::new().foreground(self.scheme_normal.background),
|
| 197 |
)?;
|
| 198 |
connection.flush()?;
|
| 199 |
|
| 200 |
unsafe {
|
| 201 |
let gc = x11::xlib::XCreateGC(display, self.surface.pixmap(), 0, std::ptr::null_mut());
|
| 202 |
x11::xlib::XSetForeground(display, gc, self.scheme_normal.background as u64);
|
| 203 |
x11::xlib::XFillRectangle(
|
| 204 |
display,
|
| 205 |
self.surface.pixmap(),
|
| 206 |
gc,
|
| 207 |
0,
|
| 208 |
0,
|
| 209 |
self.width as u32,
|
| 210 |
self.height as u32,
|
| 211 |
);
|
| 212 |
x11::xlib::XFreeGC(display, gc);
|
| 213 |
}
|
| 214 |
|
| 215 |
self.last_occupied_tags = occupied_tags;
|
| 216 |
self.last_current_tags = current_tags;
|
| 217 |
|
| 218 |
let mut x_position: i16 = 0;
|
| 219 |
|
| 220 |
for (tag_index, tag) in self.tags.iter().enumerate() {
|
| 221 |
let tag_mask = 1 << tag_index;
|
| 222 |
let is_selected = (current_tags & tag_mask) != 0;
|
| 223 |
let is_occupied = (occupied_tags & tag_mask) != 0;
|
| 224 |
let is_urgent = (urgent_tags & tag_mask) != 0;
|
| 225 |
|
| 226 |
if self.hide_vacant_tags && !is_occupied && !is_selected {
|
| 227 |
continue;
|
| 228 |
}
|
| 229 |
|
| 230 |
let tag_width = self.tag_widths[tag_index];
|
| 231 |
|
| 232 |
let scheme = if is_selected {
|
| 233 |
&self.scheme_selected
|
| 234 |
} else if is_urgent {
|
| 235 |
&self.scheme_urgent
|
| 236 |
} else if is_occupied {
|
| 237 |
&self.scheme_occupied
|
| 238 |
} else {
|
| 239 |
&self.scheme_normal
|
| 240 |
};
|
| 241 |
|
| 242 |
let text_width = font.text_width(tag);
|
| 243 |
let text_x = x_position + ((tag_width - text_width) / 2) as i16;
|
| 244 |
|
| 245 |
let top_padding = 4;
|
| 246 |
let text_y = top_padding + font.ascent();
|
| 247 |
|
| 248 |
self.surface
|
| 249 |
.font_draw()
|
| 250 |
.draw_text(font, scheme.foreground, text_x, text_y, tag);
|
| 251 |
|
| 252 |
if is_selected || is_urgent {
|
| 253 |
let font_height = font.height();
|
| 254 |
let underline_height = font_height / 8;
|
| 255 |
let bottom_gap = 3;
|
| 256 |
let underline_y = self.height as i16 - underline_height as i16 - bottom_gap;
|
| 257 |
|
| 258 |
let underline_padding = 4;
|
| 259 |
let underline_width = tag_width - underline_padding;
|
| 260 |
let underline_x = x_position + (underline_padding / 2) as i16;
|
| 261 |
|
| 262 |
unsafe {
|
| 263 |
let gc = x11::xlib::XCreateGC(display, self.surface.pixmap(), 0, std::ptr::null_mut());
|
| 264 |
x11::xlib::XSetForeground(display, gc, scheme.underline as u64);
|
| 265 |
x11::xlib::XFillRectangle(
|
| 266 |
display,
|
| 267 |
self.surface.pixmap(),
|
| 268 |
gc,
|
| 269 |
underline_x as i32,
|
| 270 |
underline_y as i32,
|
| 271 |
underline_width as u32,
|
| 272 |
underline_height as u32,
|
| 273 |
);
|
| 274 |
x11::xlib::XFreeGC(display, gc);
|
| 275 |
}
|
| 276 |
}
|
| 277 |
|
| 278 |
x_position += tag_width as i16;
|
| 279 |
}
|
| 280 |
|
| 281 |
x_position += 10;
|
| 282 |
|
| 283 |
let text_x = x_position;
|
| 284 |
let top_padding = 4;
|
| 285 |
let text_y = top_padding + font.ascent();
|
| 286 |
|
| 287 |
self.surface.font_draw().draw_text(
|
| 288 |
font,
|
| 289 |
self.scheme_normal.foreground,
|
| 290 |
text_x,
|
| 291 |
text_y,
|
| 292 |
layout_symbol,
|
| 293 |
);
|
| 294 |
|
| 295 |
x_position += font.text_width(layout_symbol) as i16;
|
| 296 |
|
| 297 |
if let Some(indicator) = keychord_indicator {
|
| 298 |
x_position += 10;
|
| 299 |
|
| 300 |
let text_x = x_position;
|
| 301 |
let text_y = top_padding + font.ascent();
|
| 302 |
|
| 303 |
self.surface.font_draw().draw_text(
|
| 304 |
font,
|
| 305 |
self.scheme_selected.foreground,
|
| 306 |
text_x,
|
| 307 |
text_y,
|
| 308 |
indicator,
|
| 309 |
);
|
| 310 |
}
|
| 311 |
|
| 312 |
if draw_blocks && !self.status_text.is_empty() {
|
| 313 |
let padding = 10;
|
| 314 |
let mut x_position = self.width as i16 - padding;
|
| 315 |
|
| 316 |
for (i, block) in self.blocks.iter_mut().enumerate().rev() {
|
| 317 |
if let Ok(text) = block.content() {
|
| 318 |
let text_width = font.text_width(&text);
|
| 319 |
x_position -= text_width as i16;
|
| 320 |
|
| 321 |
let top_padding = 4;
|
| 322 |
let text_y = top_padding + font.ascent();
|
| 323 |
|
| 324 |
self.surface
|
| 325 |
.font_draw()
|
| 326 |
.draw_text(font, block.color(), x_position, text_y, &text);
|
| 327 |
|
| 328 |
if self.block_underlines[i] {
|
| 329 |
let font_height = font.height();
|
| 330 |
let underline_height = font_height / 8;
|
| 331 |
let bottom_gap = 3;
|
| 332 |
let underline_y = self.height as i16 - underline_height as i16 - bottom_gap;
|
| 333 |
|
| 334 |
let underline_padding = 8;
|
| 335 |
let underline_width = text_width + underline_padding;
|
| 336 |
let underline_x = x_position - (underline_padding / 2) as i16;
|
| 337 |
|
| 338 |
unsafe {
|
| 339 |
let gc =
|
| 340 |
x11::xlib::XCreateGC(display, self.surface.pixmap(), 0, std::ptr::null_mut());
|
| 341 |
x11::xlib::XSetForeground(display, gc, block.color() as u64);
|
| 342 |
x11::xlib::XFillRectangle(
|
| 343 |
display,
|
| 344 |
self.surface.pixmap(),
|
| 345 |
gc,
|
| 346 |
underline_x as i32,
|
| 347 |
underline_y as i32,
|
| 348 |
underline_width as u32,
|
| 349 |
underline_height as u32,
|
| 350 |
);
|
| 351 |
x11::xlib::XFreeGC(display, gc);
|
| 352 |
}
|
| 353 |
}
|
| 354 |
}
|
| 355 |
}
|
| 356 |
}
|
| 357 |
|
| 358 |
unsafe {
|
| 359 |
let gc = x11::xlib::XCreateGC(
|
| 360 |
display,
|
| 361 |
self.window as x11::xlib::Drawable,
|
| 362 |
0,
|
| 363 |
std::ptr::null_mut(),
|
| 364 |
);
|
| 365 |
x11::xlib::XCopyArea(
|
| 366 |
display,
|
| 367 |
self.surface.pixmap(),
|
| 368 |
self.window as x11::xlib::Drawable,
|
| 369 |
gc,
|
| 370 |
0,
|
| 371 |
0,
|
| 372 |
self.width as u32,
|
| 373 |
self.height as u32,
|
| 374 |
0,
|
| 375 |
0,
|
| 376 |
);
|
| 377 |
x11::xlib::XFreeGC(display, gc);
|
| 378 |
x11::xlib::XSync(display, 1);
|
| 379 |
}
|
| 380 |
|
| 381 |
self.needs_redraw = false;
|
| 382 |
|
| 383 |
Ok(())
|
| 384 |
}
|
| 385 |
|
| 386 |
pub fn handle_click(&self, click_x: i16) -> Option<usize> {
|
| 387 |
let mut current_x_position = 0;
|
| 388 |
|
| 389 |
for (tag_index, &tag_width) in self.tag_widths.iter().enumerate() {
|
| 390 |
let tag_mask = 1 << tag_index;
|
| 391 |
let is_selected = (self.last_current_tags & tag_mask) != 0;
|
| 392 |
let is_occupied = (self.last_occupied_tags & tag_mask) != 0;
|
| 393 |
|
| 394 |
if self.hide_vacant_tags && !is_occupied && !is_selected {
|
| 395 |
continue;
|
| 396 |
}
|
| 397 |
|
| 398 |
if click_x >= current_x_position && click_x < current_x_position + tag_width as i16 {
|
| 399 |
return Some(tag_index);
|
| 400 |
}
|
| 401 |
current_x_position += tag_width as i16;
|
| 402 |
}
|
| 403 |
None
|
| 404 |
}
|
| 405 |
|
| 406 |
pub fn needs_redraw(&self) -> bool {
|
| 407 |
self.needs_redraw
|
| 408 |
}
|
| 409 |
|
| 410 |
pub fn update_from_config(&mut self, config: &Config) {
|
| 411 |
self.blocks = config
|
| 412 |
.status_blocks
|
| 413 |
.iter()
|
| 414 |
.map(|block_config| block_config.to_block())
|
| 415 |
.collect();
|
| 416 |
|
| 417 |
self.block_underlines = config
|
| 418 |
.status_blocks
|
| 419 |
.iter()
|
| 420 |
.map(|block_config| block_config.underline)
|
| 421 |
.collect();
|
| 422 |
|
| 423 |
self.block_last_updates = vec![Instant::now(); self.blocks.len()];
|
| 424 |
|
| 425 |
self.tags = config.tags.clone();
|
| 426 |
self.scheme_normal = config.scheme_normal;
|
| 427 |
self.scheme_occupied = config.scheme_occupied;
|
| 428 |
self.scheme_selected = config.scheme_selected;
|
| 429 |
self.scheme_urgent = config.scheme_urgent;
|
| 430 |
self.hide_vacant_tags = config.hide_vacant_tags;
|
| 431 |
|
| 432 |
self.status_text.clear();
|
| 433 |
self.needs_redraw = true;
|
| 434 |
}
|
| 435 |
}
|