icons: add regex substitutions (#487)

.config/ags/modules/.configuration/user_options.js

@@ -125,7 +125,13 @@ let configOptions = {
             'wps': "wps-office2019-kprometheus",
             'wpsoffice': "wps-office2019-kprometheus",
             '': "image-missing",
-        }
+        },
+        regexSubstitutions: [
+            {
+                regex: /^steam_app_(\d+)$/,
+                replace: "steam_icon_$1",
+            }
+        ]
     },
     'keybinds': {
         // Format: Mod1+Mod2+key. CaSe SeNsItIvE!

.config/ags/modules/.miscutils/icons.js

@@ -6,8 +6,23 @@ export function iconExists(iconName) {
 }
 
 export function substitute(str) {
-    if(userOptions.icons.substitutions[str]) return userOptions.icons.substitutions[str];
+    // Normal substitutions
+    if (userOptions.icons.substitutions[str])
+        return userOptions.icons.substitutions[str];
 
-    if (!iconExists(str)) str = str.toLowerCase().replace(/\s+/g, '-'); // Turn into kebab-case
+    // Regex substitutions
+    for (let i = 0; i < userOptions.icons.regexSubstitutions.length; i++) {
+        const substitution = userOptions.icons.regexSubstitutions[i];
+        const replacedName = str.replace(
+            substitution.regex,
+            substitution.replace,
+        );
+        if (replacedName != str) return replacedName;
+    }
+
+    // Guess: convert to kebab case
+    if (!iconExists(str)) str = str.toLowerCase().replace(/\s+/g, "-");
+
+    // Original string
     return str;
 }

.config/ags/modules/dock/dock.js

@@ -11,6 +11,7 @@ const { Box, Revealer } = Widget;
 import { setupCursorHover } from '../.widgetutils/cursorhover.js';
 import { getAllFiles, searchIcons } from './icons.js'
 import { MaterialIcon } from '../.commonwidgets/materialicon.js';
+import { substitute } from '../.miscutils/icons.js';
 
 const icon_files = userOptions.icons.searchPaths.map(e => getAllFiles(e)).flat(1)
 
@@ -24,25 +25,6 @@ function clearTimes() {
     timers = []
 }
 
-function substitute(str) {
-    const subs = [
-        { from: 'code-url-handler', to: 'visual-studio-code' },
-        { from: 'Code', to: 'visual-studio-code' },
-        { from: 'GitHub Desktop', to: 'github-desktop' },
-        { from: 'wps', to: 'wps-office2019-kprometheus' },
-        { from: 'gnome-tweaks', to: 'org.gnome.tweaks' },
-        { from: 'Minecraft* 1.20.1', to: 'minecraft' },
-        { from: '', to: 'image-missing' },
-    ];
-
-    for (const { from, to } of subs) {
-        if (from === str)
-            return to;
-    }
-
-    return str;
-}
-
 function ExclusiveWindow(client) {
     const fn = [
         (client) => !(client !== null && client !== undefined),

.config/ags/modules/overview/overview_hyprland.js

@@ -67,7 +67,7 @@ export default (overviewMonitor = 0) => {
 
         const iconName = substitute(c);
         const appIcon = iconExists(iconName) ? Widget.Icon({
-            icon: substitute(c),
+            icon: iconName,
             size: Math.min(w, h) * userOptions.overview.scale / 2.5,
         }) : MaterialIcon('terminal', 'gigantic', {
             css: `font-size: ${Math.min(w, h) * userOptions.overview.scale / 2.5}px`,