Merge tagging fixes from kernel

Fixes the following:
1. space added after mention
2. can scroll the mention picker
3. don't lose focus of textedit after mention selection

kernelkind (6):
      rename `SearchResultsView` => `MentionPickerView`
      fix scroll regression
      mention-picker: re-add spacing from inner_margin
      mentions: don't lose focus after select mention
      TMP: update egui for better TextInputState handling
      insert space after mention selection

Fixes: https://github.com/damus-io/notedeck/issues/985
Fixes: https://github.com/damus-io/notedeck/issues/728
Fixes: https://github.com/damus-io/notedeck/issues/986

Signed-off-by: William Casarin <jb55@jb55.com>

Cargo.lock

@@ -1392,17 +1392,17 @@ checksum = "d8b14ccef22fc6f5a8f4d7d768562a182c04ce9a3b3157b91390b52ddfdf1a76"
 [[package]]
 name = "ecolor"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "bytemuck",
- "emath 0.31.1 (git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc)",
+ "emath 0.31.1 (git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd)",
  "serde",
 ]
 
 [[package]]
 name = "eframe"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "ahash",
  "bytemuck",
@@ -1438,24 +1438,25 @@ dependencies = [
 [[package]]
 name = "egui"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "accesskit",
  "ahash",
  "backtrace",
  "bitflags 2.9.1",
- "emath 0.31.1 (git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc)",
+ "emath 0.31.1 (git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd)",
  "epaint",
  "log",
  "nohash-hasher",
  "profiling",
  "serde",
+ "similar",
 ]
 
 [[package]]
 name = "egui-wgpu"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "ahash",
  "bytemuck",
@@ -1474,7 +1475,7 @@ dependencies = [
 [[package]]
 name = "egui-winit"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "ahash",
  "arboard",
@@ -1492,7 +1493,7 @@ dependencies = [
 [[package]]
 name = "egui_extras"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "ahash",
  "egui",
@@ -1509,7 +1510,7 @@ dependencies = [
 [[package]]
 name = "egui_glow"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "ahash",
  "bytemuck",
@@ -1588,7 +1589,7 @@ checksum = "9e4cadcff7a5353ba72b7fea76bf2122b5ebdbc68e8155aa56dfdea90083fe1b"
 [[package]]
 name = "emath"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "bytemuck",
  "serde",
@@ -1686,13 +1687,13 @@ dependencies = [
 [[package]]
 name = "epaint"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 dependencies = [
  "ab_glyph",
  "ahash",
  "bytemuck",
  "ecolor",
- "emath 0.31.1 (git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc)",
+ "emath 0.31.1 (git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd)",
  "epaint_default_fonts",
  "log",
  "nohash-hasher",
@@ -1704,7 +1705,7 @@ dependencies = [
 [[package]]
 name = "epaint_default_fonts"
 version = "0.31.1"
-source = "git+https://github.com/damus-io/egui?rev=041d4d18b16cf8be97e0d7ef5892c87436352dfc#041d4d18b16cf8be97e0d7ef5892c87436352dfc"
+source = "git+https://github.com/damus-io/egui?rev=a67ab901e197ce13948ff7d00aa6e07e31a68ccd#a67ab901e197ce13948ff7d00aa6e07e31a68ccd"
 
 [[package]]
 name = "equator"
@@ -5348,6 +5349,12 @@ dependencies = [
  "quote",
 ]
 
+[[package]]
+name = "similar"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbbb5d9659141646ae647b42fe094daf6c6192d1620870b449d9557f748b2daa"
+
 [[package]]
 name = "simplecss"
 version = "0.2.2"

Cargo.toml

@@ -101,12 +101,12 @@ strip = true        # Strip symbols from binary*
 #egui_extras = { path = "/home/jb55/dev/github/emilk/egui/crates/egui_extras" }
 #epaint = { path = "/home/jb55/dev/github/emilk/egui/crates/epaint" }
 
-egui = { git = "https://github.com/damus-io/egui", rev = "041d4d18b16cf8be97e0d7ef5892c87436352dfc" }
+egui = { git = "https://github.com/damus-io/egui", rev = "a67ab901e197ce13948ff7d00aa6e07e31a68ccd" }
-eframe = { git = "https://github.com/damus-io/egui", rev = "041d4d18b16cf8be97e0d7ef5892c87436352dfc" }
+eframe = { git = "https://github.com/damus-io/egui", rev = "a67ab901e197ce13948ff7d00aa6e07e31a68ccd" }
-egui-winit = { git = "https://github.com/damus-io/egui", rev = "041d4d18b16cf8be97e0d7ef5892c87436352dfc" }
+egui-winit = { git = "https://github.com/damus-io/egui", rev = "a67ab901e197ce13948ff7d00aa6e07e31a68ccd" }
-egui-wgpu = { git = "https://github.com/damus-io/egui", rev = "041d4d18b16cf8be97e0d7ef5892c87436352dfc" }
+egui-wgpu = { git = "https://github.com/damus-io/egui", rev = "a67ab901e197ce13948ff7d00aa6e07e31a68ccd" }
-egui_extras = { git = "https://github.com/damus-io/egui", rev = "041d4d18b16cf8be97e0d7ef5892c87436352dfc" }
+egui_extras = { git = "https://github.com/damus-io/egui", rev = "a67ab901e197ce13948ff7d00aa6e07e31a68ccd" }
-epaint = { git = "https://github.com/damus-io/egui", rev = "041d4d18b16cf8be97e0d7ef5892c87436352dfc" }
+epaint = { git = "https://github.com/damus-io/egui", rev = "a67ab901e197ce13948ff7d00aa6e07e31a68ccd" }
 puffin = { git = "https://github.com/jb55/puffin", package = "puffin", rev = "c6a6242adaf90b6292c0f462d2acd34d96d224d2" }
 puffin_egui = { git = "https://github.com/jb55/puffin", package = "puffin_egui", rev = "c6a6242adaf90b6292c0f462d2acd34d96d224d2" }
 #winit = { git = "https://github.com/damus-io/winit", rev = "14d61a74bee0c9863abe7ef28efae2c4d8bd3743" }

crates/notedeck_columns/src/post.rs

@@ -1,4 +1,8 @@
-use egui::{text::LayoutJob, TextBuffer, TextFormat};
+use egui::{
+    text::{CCursor, CCursorRange, LayoutJob},
+    text_edit::TextEditOutput,
+    TextBuffer, TextEdit, TextFormat,
+};
 use enostr::{FullKeypair, Pubkey};
 use nostrdb::{Note, NoteBuilder, NoteReply};
 use std::{
@@ -270,6 +274,36 @@ impl Default for PostBuffer {
     }
 }
 
+/// New cursor index (indexed by characters) after operation is performed
+#[must_use = "must call MentionSelectedResponse::process"]
+pub struct MentionSelectedResponse {
+    pub next_cursor_index: usize,
+}
+
+impl MentionSelectedResponse {
+    pub fn process(&self, ctx: &egui::Context, text_edit_output: &TextEditOutput) {
+        let text_edit_id = text_edit_output.response.id;
+        let Some(mut before_state) = TextEdit::load_state(ctx, text_edit_id) else {
+            return;
+        };
+
+        let mut new_cursor = text_edit_output
+            .galley
+            .from_ccursor(CCursor::new(self.next_cursor_index));
+        new_cursor.ccursor.prefer_next_row = true;
+
+        before_state
+            .cursor
+            .set_char_range(Some(CCursorRange::one(CCursor::new(
+                self.next_cursor_index,
+            ))));
+
+        ctx.memory_mut(|mem| mem.request_focus(text_edit_id));
+
+        TextEdit::store_state(ctx, text_edit_id, before_state);
+    }
+}
+
 impl PostBuffer {
     pub fn get_new_mentions_key(&mut self) -> usize {
         let prev = self.mentions_key;
@@ -319,15 +353,21 @@ impl PostBuffer {
         mention_key: usize,
         full_name: &str,
         pk: Pubkey,
-    ) {
+    ) -> Option<MentionSelectedResponse> {
-        if let Some(info) = self.mentions.get(&mention_key) {
+        let Some(info) = self.mentions.get(&mention_key) else {
-            let text_start_index = info.start_index + 1;
-            self.delete_char_range(text_start_index..info.end_index);
-            self.insert_text(full_name, text_start_index);
-            self.select_full_mention(mention_key, pk);
-        } else {
             error!("Error selecting mention for index: {mention_key}. Have the following mentions: {:?}", self.mentions);
-        }
+            return None;
+        };
+        let text_start_index = info.start_index + 1; // increment by one to exclude the mention indicator, '@'
+        self.delete_char_range(text_start_index..info.end_index);
+        let text_chars_inserted = self.insert_text(full_name, text_start_index);
+        self.select_full_mention(mention_key, pk);
+
+        let space_chars_inserted = self.insert_text(" ", text_start_index + text_chars_inserted);
+
+        Some(MentionSelectedResponse {
+            next_cursor_index: text_start_index + text_chars_inserted + space_chars_inserted,
+        })
     }
 
     pub fn delete_mention(&mut self, mention_key: usize) {
@@ -917,9 +957,9 @@ mod tests {
         assert_eq!(buf.mentions.len(), 1);
         assert_eq!(buf.mentions.get(&0).unwrap().bounds(), 0..3);
         buf.select_mention_and_replace_name(0, "jb55", JB55());
-        assert_eq!(buf.as_str(), "@jb55");
+        assert_eq!(buf.as_str(), "@jb55 ");
 
-        buf.insert_text(" test", 5);
+        buf.insert_text("test", 6);
         assert_eq!(buf.as_str(), "@jb55 test");
 
         assert_eq!(buf.mentions.len(), 1);
@@ -1201,16 +1241,20 @@ mod tests {
 
         buf.insert_text("@jb", 0);
         buf.select_mention_and_replace_name(0, "jb55", JB55());
-        buf.insert_text(" test ", 5);
+        buf.insert_text("test ", 6);
+        assert_eq!(buf.as_str(), "@jb55 test ");
         buf.insert_text("@kernel", 11);
         buf.select_mention_and_replace_name(1, "KernelKind", KK());
-        buf.insert_text(" test", 22);
+        assert_eq!(buf.as_str(), "@jb55 test @KernelKind ");
 
+        buf.insert_text("test", 23);
         assert_eq!(buf.as_str(), "@jb55 test @KernelKind test");
+
         assert_eq!(buf.mentions.len(), 2);
 
-        buf.insert_text(" ", 5);
         buf.insert_text("@els", 6);
+        assert_eq!(buf.as_str(), "@jb55 @elstest @KernelKind test");
+
         assert_eq!(buf.mentions.len(), 3);
         assert_eq!(buf.mentions.get(&2).unwrap().bounds(), 6..10);
         buf.select_mention_and_replace_name(2, "elsat", JB55());

crates/notedeck_columns/src/ui/mentions_picker.rs

@@ -11,19 +11,21 @@ use notedeck_ui::{
 };
 use tracing::error;
 
-pub struct SearchResultsView<'a> {
+/// Displays user profiles for the user to pick from.
+/// Useful for manually typing a username and selecting the profile desired
+pub struct MentionPickerView<'a> {
     ndb: &'a Ndb,
     txn: &'a Transaction,
     img_cache: &'a mut Images,
     results: &'a Vec<&'a [u8; 32]>,
 }
 
-pub enum SearchResultsResponse {
+pub enum MentionPickerResponse {
     SelectResult(Option<usize>),
     DeleteMention,
 }
 
-impl<'a> SearchResultsView<'a> {
+impl<'a> MentionPickerView<'a> {
     pub fn new(
         img_cache: &'a mut Images,
         ndb: &'a Ndb,
@@ -38,8 +40,8 @@ impl<'a> SearchResultsView<'a> {
         }
     }
 
-    fn show(&mut self, ui: &mut egui::Ui, width: f32) -> SearchResultsResponse {
+    fn show(&mut self, ui: &mut egui::Ui, width: f32) -> MentionPickerResponse {
-        let mut search_results_selection = None;
+        let mut selection = None;
         ui.vertical(|ui| {
             for (i, res) in self.results.iter().enumerate() {
                 let profile = match self.ndb.get_profile_by_pubkey(self.txn, res) {
@@ -54,16 +56,16 @@ impl<'a> SearchResultsView<'a> {
                     .add(user_result(&profile, self.img_cache, i, width))
                     .clicked()
                 {
-                    search_results_selection = Some(i)
+                    selection = Some(i)
                 }
             }
         });
 
-        SearchResultsResponse::SelectResult(search_results_selection)
+        MentionPickerResponse::SelectResult(selection)
     }
 
-    pub fn show_in_rect(&mut self, rect: egui::Rect, ui: &mut egui::Ui) -> SearchResultsResponse {
+    pub fn show_in_rect(&mut self, rect: egui::Rect, ui: &mut egui::Ui) -> MentionPickerResponse {
-        let widget_id = ui.id().with("search_results");
+        let widget_id = ui.id().with("mention_results");
         let area_resp = egui::Area::new(widget_id)
             .order(egui::Order::Foreground)
             .fixed_pos(rect.left_top())
@@ -72,10 +74,10 @@ impl<'a> SearchResultsView<'a> {
                 let inner_margin_size = 8.0;
                 egui::Frame::NONE
                     .fill(ui.visuals().panel_fill)
-                    .inner_margin(inner_margin_size)
                     .show(ui, |ui| {
                         let width = rect.width() - (2.0 * inner_margin_size);
 
+                        ui.allocate_space(vec2(ui.available_width(), inner_margin_size));
                         let close_button_resp = {
                             let close_button_size = 16.0;
                             let (close_section_rect, _) = ui.allocate_exact_size(
@@ -95,16 +97,16 @@ impl<'a> SearchResultsView<'a> {
                             .inner
                         };
 
-                        ui.add_space(8.0);
+                        ui.allocate_space(vec2(ui.available_width(), inner_margin_size));
 
                         let scroll_resp = ScrollArea::vertical()
-                            .max_width(width)
+                            .max_width(rect.width())
                             .auto_shrink(Vec2b::FALSE)
                             .show(ui, |ui| self.show(ui, width));
                         ui.advance_cursor_after_rect(rect);
 
                         if close_button_resp {
-                            SearchResultsResponse::DeleteMention
+                            MentionPickerResponse::DeleteMention
                         } else {
                             scroll_resp.inner
                         }
@@ -128,7 +130,18 @@ fn user_result<'a>(
         let spacing = 8.0;
         let body_font_size = get_font_size(ui.ctx(), &NotedeckTextStyle::Body);
 
-        let helper = AnimationHelper::new(ui, ("user_result", index), vec2(width, max_image));
+        let animation_rect = {
+            let max_width = ui.available_width();
+            let extra_width = (max_width - width) / 2.0;
+            let left = ui.cursor().left();
+            let (rect, _) =
+                ui.allocate_exact_size(vec2(width + extra_width, max_image), egui::Sense::click());
+
+            let (_, right) = rect.split_left_right_at_x(left + extra_width);
+            right
+        };
+
+        let helper = AnimationHelper::new_from_rect(ui, ("user_result", index), animation_rect);
 
         let icon_rect = {
             let r = helper.get_animation_rect();

crates/notedeck_columns/src/ui/mod.rs

@@ -5,13 +5,13 @@ pub mod column;
 pub mod configure_deck;
 pub mod edit_deck;
 pub mod images;
+pub mod mentions_picker;
 pub mod note;
 pub mod post;
 pub mod preview;
 pub mod profile;
 pub mod relay;
 pub mod search;
-pub mod search_results;
 pub mod settings;
 pub mod side_panel;
 pub mod support;

crates/notedeck_columns/src/ui/note/post.rs

@@ -2,7 +2,7 @@ use crate::draft::{Draft, Drafts, MentionHint};
 #[cfg(not(target_os = "android"))]
 use crate::media_upload::{nostrbuild_nip96_upload, MediaPath};
 use crate::post::{downcast_post_buffer, MentionType, NewPost};
-use crate::ui::search_results::SearchResultsView;
+use crate::ui::mentions_picker::MentionPickerView;
 use crate::ui::{self, Preview, PreviewConfig};
 use crate::Result;
 
@@ -218,6 +218,7 @@ impl<'a, 'd> PostView<'a, 'd> {
         out.response
     }
 
+    // Displays the mention picker and handles when one is selected.
     fn show_mention_hints(
         &mut self,
         txn: &nostrdb::Transaction,
@@ -273,7 +274,7 @@ impl<'a, 'd> PostView<'a, 'd> {
             return;
         };
 
-        let resp = SearchResultsView::new(
+        let resp = MentionPickerView::new(
             self.note_context.img_cache,
             self.note_context.ndb,
             txn,
@@ -281,26 +282,35 @@ impl<'a, 'd> PostView<'a, 'd> {
         )
         .show_in_rect(hint_rect, ui);
 
+        let mut selection_made = None;
         match resp {
-            ui::search_results::SearchResultsResponse::SelectResult(selection) => {
+            ui::mentions_picker::MentionPickerResponse::SelectResult(selection) => {
                 if let Some(hint_index) = selection {
                     if let Some(pk) = res.get(hint_index) {
                         let record = self.note_context.ndb.get_profile_by_pubkey(txn, pk);
 
+                        if let Some(made_selection) =
                             self.draft.buffer.select_mention_and_replace_name(
                                 mention.index,
                                 get_display_name(record.ok().as_ref()).name(),
                                 Pubkey::new(**pk),
-                        );
+                            )
+                        {
+                            selection_made = Some(made_selection);
+                        }
                         self.draft.cur_mention_hint = None;
                     }
                 }
             }
 
-            ui::search_results::SearchResultsResponse::DeleteMention => {
+            ui::mentions_picker::MentionPickerResponse::DeleteMention => {
                 self.draft.buffer.delete_mention(mention.index)
             }
         }
+
+        if let Some(selection) = selection_made {
+            selection.process(ui.ctx(), textedit_output);
+        }
     }
 
     fn focused(&self, ui: &egui::Ui) -> bool {

crates/notedeck_columns/src/ui/search/mod.rs

@@ -19,7 +19,7 @@ mod state;
 
 pub use state::{FocusState, SearchQueryState, SearchState};
 
-use super::search_results::{SearchResultsResponse, SearchResultsView};
+use super::mentions_picker::{MentionPickerResponse, MentionPickerView};
 
 pub struct SearchView<'a, 'd> {
     query: &'a mut SearchQueryState,
@@ -76,7 +76,7 @@ impl<'a, 'd> SearchView<'a, 'd> {
                     break 's;
                 };
 
-                let search_res = SearchResultsView::new(
+                let search_res = MentionPickerView::new(
                     self.note_context.img_cache,
                     self.note_context.ndb,
                     self.txn,
@@ -85,7 +85,7 @@ impl<'a, 'd> SearchView<'a, 'd> {
                 .show_in_rect(ui.available_rect_before_wrap(), ui);
 
                 search_action = match search_res {
-                    SearchResultsResponse::SelectResult(Some(index)) => {
+                    MentionPickerResponse::SelectResult(Some(index)) => {
                         let Some(pk_bytes) = results.get(index) else {
                             break 's;
                         };
@@ -103,8 +103,8 @@ impl<'a, 'd> SearchView<'a, 'd> {
                             new_search_text: format!("@{username}"),
                         })
                     }
-                    SearchResultsResponse::DeleteMention => Some(SearchAction::CloseMention),
+                    MentionPickerResponse::DeleteMention => Some(SearchAction::CloseMention),
-                    SearchResultsResponse::SelectResult(None) => break 's,
+                    MentionPickerResponse::SelectResult(None) => break 's,
                 };
             }
             SearchState::PerformSearch(search_type) => {