From db4af960407d95594f714e02814967aa323e8416 Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Fri, 26 Dec 2025 20:42:19 +0200
Subject: [PATCH] feat(note_icon): filter by icon pack

---
 .../src/translations/en/translation.json      |  3 +-
 apps/client/src/widgets/note_icon.css         | 11 ++----
 apps/client/src/widgets/note_icon.tsx         | 37 ++++++++++++++++++-
 3 files changed, 41 insertions(+), 10 deletions(-)

diff --git a/apps/client/src/translations/en/translation.json b/apps/client/src/translations/en/translation.json
index 07b1b8e12..921c7bdb6 100644
--- a/apps/client/src/translations/en/translation.json
+++ b/apps/client/src/translations/en/translation.json
@@ -766,7 +766,8 @@
   "note_icon": {
     "change_note_icon": "Change note icon",
     "search": "Search:",
-    "reset-default": "Reset to default icon"
+    "reset-default": "Reset to default icon",
+    "filter-none": "All icons"
   },
   "basic_properties": {
     "note_type": "Note type",
diff --git a/apps/client/src/widgets/note_icon.css b/apps/client/src/widgets/note_icon.css
index e715d5699..8a739626d 100644
--- a/apps/client/src/widgets/note_icon.css
+++ b/apps/client/src/widgets/note_icon.css
@@ -32,17 +32,14 @@ div.note-icon-widget {
 }
 
 .note-icon-widget .filter-row {
-    padding-top: 10px;
-    padding-bottom: 10px;
-    padding-inline-end: 20px;
+    padding: 10px;
     display: flex;
-    align-items: baseline;
+    align-items: center;
+    gap: 1em;
 }
 
 .note-icon-widget .filter-row span {
     display: block;
-    padding-inline-start: 15px;
-    padding-inline-end: 15px;
     font-weight: bold;
 }
 
@@ -111,4 +108,4 @@ body.experimental-feature-new-layout {
             transition: background 200ms ease-out;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/apps/client/src/widgets/note_icon.tsx b/apps/client/src/widgets/note_icon.tsx
index f26ce5369..65c6f1ebc 100644
--- a/apps/client/src/widgets/note_icon.tsx
+++ b/apps/client/src/widgets/note_icon.tsx
@@ -7,10 +7,13 @@ import FNote from "../entities/fnote";
 import attributes from "../services/attributes";
 import server from "../services/server";
 import type { Icon } from "./icon_list";
+import ActionButton from "./react/ActionButton";
 import Button from "./react/Button";
 import Dropdown from "./react/Dropdown";
+import { FormDropdownDivider, FormListItem } from "./react/FormList";
 import FormTextBox from "./react/FormTextBox";
 import { useNoteContext, useNoteLabel } from "./react/hooks";
+import Icon from "./react/Icon";
 
 interface IconToCountCache {
     iconClassToCountMap: Record<string, number>;
@@ -44,6 +47,7 @@ export default function NoteIcon() {
             buttonClassName={`note-icon tn-focusable-button ${icon ?? "bx bx-empty"}`}
             hideToggleArrow
             disabled={viewScope?.viewMode !== "default"}
+            dropdownOptions={{ autoClose: "outside" }}
         >
             { note && <NoteIconList note={note} /> }
         </Dropdown>
@@ -54,6 +58,7 @@ function NoteIconList({ note }: { note: FNote }) {
     const searchBoxRef = useRef<HTMLInputElement>(null);
     const [ search, setSearch ] = useState<string>();
     const [ iconData, setIconData ] = useState<IconData>();
+    const [ filterByPrefix, setFilterByIconPack ] = useState<string | null>(null);
 
     useEffect(() => {
         async function loadIcons() {
@@ -71,8 +76,14 @@ function NoteIconList({ note }: { note: FNote }) {
                 }))).flat()
             ];
             const processedSearch = search?.trim()?.toLowerCase();
-            if (processedSearch) {
+            if (processedSearch || filterByPrefix !== null) {
                 icons = icons.filter((icon) => {
+                    if (filterByPrefix) {
+                        if (!icon.className?.startsWith(`${filterByPrefix} `)) {
+                            return false;
+                        }
+                    }
+
                     if (processedSearch) {
                         if (!icon.name.includes(processedSearch) &&
                             !icon.term?.find((t) => t.includes(processedSearch))) {
@@ -102,7 +113,7 @@ function NoteIconList({ note }: { note: FNote }) {
         }
 
         loadIcons();
-    }, [ search ]);
+    }, [ search, filterByPrefix ]);
 
     return (
         <>
@@ -115,6 +126,28 @@ function NoteIconList({ note }: { note: FNote }) {
                     currentValue={search} onChange={setSearch}
                     autoFocus
                 />
+
+                <Dropdown
+                    buttonClassName="bx bx-filter-alt"
+                    hideToggleArrow
+                    noSelectButtonStyle
+                    noDropdownListStyle
+                    iconAction
+                >
+                    <FormListItem
+                        checked={filterByPrefix === null}
+                        onClick={() => setFilterByIconPack(null)}
+                    >{t("note_icon.filter-none")}</FormListItem>
+                    <FormDropdownDivider />
+
+                    {glob.iconRegistry.sources.map(({ prefix, name }) => (
+                        <FormListItem
+                            key={prefix}
+                            onClick={() => setFilterByIconPack(prefix)}
+                            checked={filterByPrefix === prefix}
+                        >{name}</FormListItem>
+                    ))}
+                </Dropdown>
             </div>
 
             <div