WIP: parsing `pijul channels` text blob into individual components

CrepeGoat

Oct 9, 2024, 6:20 AM

OX2J5WFE6GRVIE7P7EY75ZRXQHEX64JKK63QUJF26BWD5PU3F3OQC

Dependencies

• [2] G2CHQAOP parsed `pijul log` text blob into individual entries & fields
• [3] NSE6BLWA init slint project from https://github.com/slint-ui/slint-rust-template
• [4] 4RPYR65C connect GUI to pijul to display simple channel list
• [5] IQY5LHEN add GUI element to display simple `pijul log` results
• [*] NCRTU7M4 cargo init

Change contents

• edit in ui/app-window.slint at line 45
  [2.872]

  [2.872]
  + }

  + }

  + }

  +

  + component ChannelsList {

  + in-out property <[string]> channels;

  + in-out property <int> active;

  +

  + VerticalBox {

  + alignment: start;

  + spacing: 0;

  + preferred-width: 150px;

  +

  + Text {

  + text: "channels";
• edit in ui/app-window.slint at line 61
  [2.882]

  [2.882]
  +

  + for ch in channels: Text {

  + text: "\{ch}";

  + }
• replacement in ui/app-window.slint at line 69
  [3.161]→[3.0:47](∅→∅)
  − in-out property <string> channel_list: "";
  [3.161]

  [2.892]
  + in-out property <[string]> channels <=> chs.channels;

  + in-out property <int> active-channel <=> chs.active;
• edit in ui/app-window.slint at line 74
  [3.168]→[3.168:206](∅→∅)
  −

  − width: 600px;

  − height: 400px;
• replacement in ui/app-window.slint at line 87
  [3.363]→[3.363:634](∅→∅)
  − VerticalBox {

  − alignment: start;

  − preferred-width: 150px;

  − Text {

  − text: "channels";

  − }

  −

  − Text {

  − text: "\{root.channel_list}";

  − }
  [3.363]

  [3.634]
  + chs := ChannelsList {

  + channels: [];

  + active: 0;
• edit in ui/app-window.slint at line 93
  [3.674]

  [3.674]
  + preferred-width: 500px;
• edit in ui/app-window.slint at line 96
  [3.742]→[3.742:786](∅→∅)
  − preferred-width: 500px;
• replacement in src/main.rs at line 33
  [3.816]→[3.816:884](∅→∅)
  − ui.set_channel_list(SharedString::from(&channel_list));
  [3.816]

  [3.1045]
  + let channel_strs = channel_list

  + .entries

  + .into_iter()

  + .map(SharedString::from)

  + .collect::<Vec<_>>();

  + ui.set_channels((&channel_strs[..]).into());

  + ui.set_active_channel(i32::try_from(channel_list.active).unwrap_or(-1));
• replacement in src/cmds.rs at line 4
  [3.979]→[3.979:1068](∅→∅)
  − pub fn channel(exe: &std::path::Path, repo: &std::path::Path) -> Result<String, Error> {
  [3.979]

  [3.1068]
  + pub fn channel(exe: &std::path::Path, repo: &std::path::Path) -> Result<ChannelsList, Error> {
• replacement in src/cmds.rs at line 13
  [3.1800]→[3.1800:1842](∅→∅)
  − Ok(String::from_utf8(output.stdout)?)
  [3.1800]

  [3.1842]
  + parse_channel_output(output.stdout)

  + }

  +

  + fn parse_channel_output(output: Vec<u8>) -> Result<ChannelsList, Error> {

  + let channels_str = String::from_utf8(output)?;

  + let channels_list = channels_str.split('\n').map(|substr| substr.trim()).fold(

  + ChannelsList::new(),

  + |mut channels_list, ch_str| {

  + if ch_str.starts_with("* ") {

  + channels_list.active = channels_list.entries.len();

  + channels_list.entries.push(ch_str[2..].to_string());

  + } else {

  + channels_list.entries.push(ch_str.to_string());

  + }

  + channels_list

  + },

  + );

  + Ok(channels_list)
• edit in src/cmds.rs at line 64
  [3.1928]

  [2.2059]
  + }

  +

  + #[derive(Debug)]

  + pub struct ChannelsList {

  + pub(crate) entries: Vec<String>,

  + pub(crate) active: usize,
• edit in src/cmds.rs at line 72
  [2.2062]

  [2.2062]
  + impl ChannelsList {

  + pub(crate) fn new() -> Self {

  + Self {

  + entries: Vec::new(),

  + active: usize::MAX,

  + }

  + }

  + }

  +