notedeck

One damus client to rule them all
git clone git://jb55.com/notedeck
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username.rs (2589B)

      1 use crate::fonts::NamedFontFamily;
      2 use egui::{Color32, RichText, Widget};
      3 use nostrdb::ProfileRecord;
      4 
      5 pub struct Username<'a> {
      6     profile: Option<&'a ProfileRecord<'a>>,
      7     pk: &'a [u8; 32],
      8     pk_colored: bool,
      9     abbrev: usize,
     10 }
     11 
     12 impl<'a> Username<'a> {
     13     pub fn pk_colored(mut self, pk_colored: bool) -> Self {
     14         self.pk_colored = pk_colored;
     15         self
     16     }
     17 
     18     pub fn abbreviated(mut self, amount: usize) -> Self {
     19         self.abbrev = amount;
     20         self
     21     }
     22 
     23     pub fn new(profile: Option<&'a ProfileRecord>, pk: &'a [u8; 32]) -> Self {
     24         let pk_colored = false;
     25         let abbrev: usize = 1000;
     26         Username {
     27             profile,
     28             pk,
     29             pk_colored,
     30             abbrev,
     31         }
     32     }
     33 }
     34 
     35 impl<'a> Widget for Username<'a> {
     36     fn ui(self, ui: &mut egui::Ui) -> egui::Response {
     37         ui.horizontal(|ui| {
     38             ui.spacing_mut().item_spacing.x = 0.0;
     39 
     40             let color = if self.pk_colored {
     41                 Some(pk_color(self.pk))
     42             } else {
     43                 None
     44             };
     45 
     46             if let Some(profile) = self.profile {
     47                 if let Some(prof) = profile.record().profile() {
     48                     if prof.display_name().is_some() && prof.display_name().unwrap() != "" {
     49                         ui_abbreviate_name(ui, prof.display_name().unwrap(), self.abbrev, color);
     50                     } else if let Some(name) = prof.name() {
     51                         ui_abbreviate_name(ui, name, self.abbrev, color);
     52                     }
     53                 }
     54             } else {
     55                 let mut txt = RichText::new("nostrich").family(NamedFontFamily::Medium.as_family());
     56                 if let Some(col) = color {
     57                     txt = txt.color(col)
     58                 }
     59                 ui.label(txt);
     60             }
     61         })
     62         .response
     63     }
     64 }
     65 
     66 fn colored_name(name: &str, color: Option<Color32>) -> RichText {
     67     let mut txt = RichText::new(name).family(NamedFontFamily::Medium.as_family());
     68 
     69     if let Some(color) = color {
     70         txt = txt.color(color);
     71     }
     72 
     73     txt
     74 }
     75 
     76 fn ui_abbreviate_name(ui: &mut egui::Ui, name: &str, len: usize, color: Option<Color32>) {
     77     let should_abbrev = name.len() > len;
     78     let name = if should_abbrev {
     79         let closest = crate::abbrev::floor_char_boundary(name, len);
     80         &name[..closest]
     81     } else {
     82         name
     83     };
     84 
     85     ui.label(colored_name(name, color));
     86 
     87     if should_abbrev {
     88         ui.label(colored_name("..", color));
     89     }
     90 }
     91 
     92 fn pk_color(pk: &[u8; 32]) -> Color32 {
     93     Color32::from_rgb(pk[8], pk[10], pk[12])
     94 }