oxedyne/fe2o3/fe2o3_tui/src/lib_tui/draw/status.rs
4.7 KiB, 9 runs
created by r1870400018:1183, which is this file's identity for as long as the history lasts, whatever it is later renamed to
download · who wrote it · its history
| 1 | use crate::lib_tui::{ |
| 2 | render::{ |
| 3 | Drawable, |
| 4 | Drawer, |
| 5 | Renderer, |
| 6 | Sink, |
| 7 | When, |
| 8 | }, |
| 9 | style::Style, |
| 10 | text::edit::EditorMode, |
| 11 | }; |
| 12 | |
| 13 | use oxedyne_fe2o3_core::prelude::*; |
| 14 | use oxedyne_fe2o3_geom::{ |
| 15 | dim::{ |
| 16 | Coord, |
| 17 | Dim, |
| 18 | }, |
| 19 | rect::AbsRect, |
| 20 | }; |
| 21 | use oxedyne_fe2o3_text::string::Stringer; |
| 22 | |
| 23 | use std::fmt; |
| 24 | |
| 25 | |
| 26 | #[derive(Clone, Debug, Default)] |
| 27 | pub enum StatusStripType { |
| 28 | #[default] |
| 29 | Header, |
| 30 | Footer, |
| 31 | } |
| 32 | |
| 33 | #[derive(Clone, Debug)] |
| 34 | pub enum StatusStripLeft { |
| 35 | Origin(String), |
| 36 | } |
| 37 | |
| 38 | impl StatusStripLeft { |
| 39 | |
| 40 | pub fn display_fit(&self, avail_len: usize) -> String { |
| 41 | match self { |
| 42 | Self::Origin(origin) => { |
| 43 | let mut origin = Stringer::new(origin); |
| 44 | origin.fit_into(avail_len, "..."); |
| 45 | origin.to_string() |
| 46 | } |
| 47 | } |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | #[derive(Clone, Debug)] |
| 52 | pub enum StatusStripRight { |
| 53 | Cursor(Coord), |
| 54 | Label(String), |
| 55 | Mode(Option<EditorMode>), |
| 56 | ModeLabel(Option<EditorMode>, String), |
| 57 | } |
| 58 | |
| 59 | impl fmt::Display for StatusStripRight { |
| 60 | fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { |
| 61 | match self { |
| 62 | Self::Cursor(coord) => write!(f, "{},{}", coord.x, coord.y), |
| 63 | Self::Label(label) => write!(f, "{}", label), |
| 64 | Self::Mode(mode_opt) => match mode_opt { |
| 65 | Some(mode) => write!(f, "{}", mode), |
| 66 | None => write!(f, ""), |
| 67 | } |
| 68 | Self::ModeLabel(mode_opt, label) => match mode_opt { |
| 69 | Some(mode) => write!(f, "{} {}", mode, label), |
| 70 | None => write!(f, "{}", label), |
| 71 | } |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | #[derive(Clone, Debug, Default)] |
| 77 | pub struct StatusStripContent { |
| 78 | pub left: Option<StatusStripLeft>, |
| 79 | pub right: Option<StatusStripRight>, |
| 80 | //pub cursor: Coord, |
| 81 | } |
| 82 | |
| 83 | #[derive(Clone, Debug)] |
| 84 | pub struct StatusStripConfig { |
| 85 | pub style: Style, |
| 86 | pub typ: StatusStripType, |
| 87 | pub right_len: Dim, |
| 88 | } |
| 89 | |
| 90 | impl Default for StatusStripConfig { |
| 91 | fn default() -> Self { |
| 92 | Self { |
| 93 | style: Style::default(), |
| 94 | typ: StatusStripType::default(), |
| 95 | right_len: Dim(10), |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | #[derive(Clone, Debug)] |
| 101 | pub struct StatusStrip { |
| 102 | pub cfg: StatusStripConfig, |
| 103 | pub content: StatusStripContent, |
| 104 | pub rect: AbsRect, // The window rectangle to which the strip is attached. |
| 105 | } |
| 106 | |
| 107 | impl Drawable for StatusStrip { |
| 108 | fn render<S: Sink, R: Renderer<S>>( |
| 109 | &mut self, |
| 110 | drawer: &mut Drawer<S, R>, |
| 111 | when: When, |
| 112 | ) |
| 113 | -> Outcome<()> |
| 114 | { |
| 115 | let (x, y, w, h) = self.rect.tup(); |
| 116 | |
| 117 | res!(self.cfg.style.render(drawer, When::Later)); |
| 118 | let ys = match self.cfg.typ { |
| 119 | StatusStripType::Header => y, |
| 120 | StatusStripType::Footer => y + h - 1, |
| 121 | }; |
| 122 | res!(drawer.rend.set_cursor(Coord::new((x, ys)), When::Later)); |
| 123 | |
| 124 | let right_str = if let Some(right) = &self.content.right { |
| 125 | fmt!("{} ", right) |
| 126 | } else { |
| 127 | fmt!(" ") |
| 128 | }; |
| 129 | let right_len = Dim::new(right_str.chars().count()); |
| 130 | let avail_len = w - right_len - Dim(2); |
| 131 | |
| 132 | let left_str = if let Some(left) = &self.content.left { |
| 133 | fmt!(" {}", left.display_fit(avail_len.as_usize())) |
| 134 | } else { |
| 135 | fmt!(" ") |
| 136 | }; |
| 137 | let left_len = Dim::new(left_str.chars().count()); |
| 138 | let pad = w - left_len - right_len; |
| 139 | let strip_str = fmt!("{}{}{}", left_str, " ".repeat(pad.as_usize()), right_str); |
| 140 | |
| 141 | |
| 142 | //let right_len = right_str.chars().count(); |
| 143 | //let coord = fmt!("{},{}", self.content.cursor.x, self.content.cursor.y); |
| 144 | //if coord.len() + strip_str.len() < w { |
| 145 | // strip_str = fmt!("{} {}", coord, strip_str); |
| 146 | //} |
| 147 | //let mut origin = Stringer::new(self.content.origin.clone()); |
| 148 | //let avail_len = w - right_str.len() - 2; |
| 149 | //origin.fit_into(*avail_len, "..."); |
| 150 | //let origin_len = origin.chars().count(); |
| 151 | //if origin_len > 0 { |
| 152 | // let pad = w - strip_str.len() - origin_len - 2; |
| 153 | // strip_str = fmt!(" {} {}{}", origin, &" ".repeat(*pad), strip_str); |
| 154 | //} else { |
| 155 | // let pad = w - strip_str.len(); |
| 156 | // strip_str = fmt!("{}{}", &" ".repeat(*pad), strip_str); |
| 157 | //} |
| 158 | res!(drawer.rend.print(&strip_str, When::Later)); |
| 159 | |
| 160 | res!(drawer.rend.reset_style(When::Later)); |
| 161 | |
| 162 | if when == When::Now { |
| 163 | res!(drawer.rend.flush()); |
| 164 | } |
| 165 | Ok(()) |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | impl StatusStrip { |
| 170 | pub fn new( |
| 171 | cfg: StatusStripConfig, |
| 172 | content: StatusStripContent, |
| 173 | rect: AbsRect, |
| 174 | ) |
| 175 | -> Self |
| 176 | { |
| 177 | Self { |
| 178 | cfg, |
| 179 | content, |
| 180 | rect, |
| 181 | } |
| 182 | } |
| 183 | } |