notedeck

One damus client to rule them all
git clone git://jb55.com/notedeck
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mention.rs (2132B)

      1 use crate::{colors, imgcache::ImageCache, ui};
      2 use nostrdb::{Ndb, Transaction};
      3 
      4 pub struct Mention<'a> {
      5     ndb: &'a Ndb,
      6     img_cache: &'a mut ImageCache,
      7     txn: &'a Transaction,
      8     pk: &'a [u8; 32],
      9     selectable: bool,
     10     size: f32,
     11 }
     12 
     13 impl<'a> Mention<'a> {
     14     pub fn new(
     15         ndb: &'a Ndb,
     16         img_cache: &'a mut ImageCache,
     17         txn: &'a Transaction,
     18         pk: &'a [u8; 32],
     19     ) -> Self {
     20         let size = 16.0;
     21         let selectable = true;
     22         Mention {
     23             ndb,
     24             img_cache,
     25             txn,
     26             pk,
     27             selectable,
     28             size,
     29         }
     30     }
     31 
     32     pub fn selectable(mut self, selectable: bool) -> Self {
     33         self.selectable = selectable;
     34         self
     35     }
     36 
     37     pub fn size(mut self, size: f32) -> Self {
     38         self.size = size;
     39         self
     40     }
     41 }
     42 
     43 impl<'a> egui::Widget for Mention<'a> {
     44     fn ui(self, ui: &mut egui::Ui) -> egui::Response {
     45         mention_ui(
     46             self.ndb,
     47             self.img_cache,
     48             self.txn,
     49             self.pk,
     50             ui,
     51             self.size,
     52             self.selectable,
     53         )
     54     }
     55 }
     56 
     57 fn mention_ui(
     58     ndb: &Ndb,
     59     img_cache: &mut ImageCache,
     60     txn: &Transaction,
     61     pk: &[u8; 32],
     62     ui: &mut egui::Ui,
     63     size: f32,
     64     selectable: bool,
     65 ) -> egui::Response {
     66     #[cfg(feature = "profiling")]
     67     puffin::profile_function!();
     68 
     69     ui.horizontal(|ui| {
     70         let profile = ndb.get_profile_by_pubkey(txn, pk).ok();
     71 
     72         let name: String =
     73             if let Some(name) = profile.as_ref().and_then(crate::profile::get_profile_name) {
     74                 format!("@{}", name.username())
     75             } else {
     76                 "??".to_string()
     77             };
     78 
     79         let resp = ui.add(
     80             egui::Label::new(egui::RichText::new(name).color(colors::PURPLE).size(size))
     81                 .selectable(selectable),
     82         );
     83 
     84         if let Some(rec) = profile.as_ref() {
     85             resp.on_hover_ui_at_pointer(|ui| {
     86                 ui.set_max_width(300.0);
     87                 ui.add(ui::ProfilePreview::new(rec, img_cache));
     88             });
     89         }
     90     })
     91     .response
     92 }