Modify battery widget to indicate when charging
Getty Ritter
4 years ago
| 95 | 95 | |
| 96 | 96 | pub struct Battery { |
| 97 | 97 | file_list: Vec<std::path::PathBuf>, |
| 98 | charging: Option<std::path::PathBuf> | |
| 98 | 99 | } |
| 99 | 100 | |
| 100 | 101 | impl Battery { |
| 110 | 111 | batteries.push(path); |
| 111 | 112 | } |
| 112 | 113 | } |
| 114 | let ac_path = std::path::Path::new("/sys/class/power_supply/AC/online"); | |
| 113 | 115 | |
| 114 | 116 | Ok(Battery { |
| 115 | 117 | file_list: batteries, |
| 118 | charging: if ac_path.exists() { | |
| 119 | Some(ac_path.to_path_buf()) | |
| 120 | } else { | |
| 121 | None | |
| 122 | }, | |
| 116 | 123 | }) |
| 124 | } | |
| 125 | ||
| 126 | fn is_charging(&self) -> Result<bool, failure::Error> { | |
| 127 | if let Some(path) = &self.charging { | |
| 128 | let is_connected: i32 = | |
| 129 | std::fs::read_to_string(path)?.trim().parse()?; | |
| 130 | Ok(is_connected != 0) | |
| 131 | } else { | |
| 132 | Ok(false) | |
| 133 | } | |
| 117 | 134 | } |
| 118 | 135 | |
| 119 | 136 | fn read_status(&self) -> Result<f64, failure::Error> { |
| 135 | 152 | let sz = d.size.ht - 8; |
| 136 | 153 | let x = loc.target_x(d, sz); |
| 137 | 154 | match amt { |
| 155 | _ if self.is_charging().unwrap_or(false) => | |
| 156 | d.ctx.set_source_rgb(0.5, 0.5, 1.0), | |
| 138 | 157 | Ok(x) if x < 0.1 => |
| 139 | 158 | d.ctx.set_source_rgb(1.0, 0.0, 0.0), |
| 140 | 159 | Ok(x) if x < 0.5 => |