launcher: add special search

Closes #464

README.md

@@ -282,6 +282,7 @@ All configuration options are in `~/.config/caelestia/shell.json`.
         "enableDangerousActions": false,
         "maxShown": 8,
         "maxWallpapers": 9,
+        "specialPrefix": "@",
         "useFuzzy": {
             "apps": false,
             "actions": false,

config/LauncherConfig.qml

@@ -4,6 +4,7 @@ JsonObject {
     property bool enabled: true
     property int maxShown: 8
     property int maxWallpapers: 9 // Warning: even numbers look bad
+    property string specialPrefix: "@"
     property string actionPrefix: ">"
     property bool enableDangerousActions: false // Allow actions that can cause losing data, like shutdown, reboot and logout
     property int dragThreshold: 50

modules/launcher/AppList.qml

@@ -60,7 +60,7 @@ StyledListView {
             name: "apps"
 
             PropertyChanges {
-                model.values: Apps.query(search.text)
+                model.values: Apps.search(search.text)
                 root.delegate: appItem
             }
         },

modules/launcher/services/Apps.qml

@@ -3,13 +3,11 @@ pragma Singleton
 import qs.config
 import qs.utils
 import Quickshell
+import QtQuick
 
 Searcher {
     id: root
 
-    list: DesktopEntries.applications.values.filter(a => !a.noDisplay).sort((a, b) => a.name.localeCompare(b.name))
-    useFuzzy: Config.launcher.useFuzzy.apps
-
     function launch(entry: DesktopEntry): void {
         if (entry.runInTerminal)
             Quickshell.execDetached({
@@ -22,4 +20,67 @@ Searcher {
                 workingDirectory: entry.workingDirectory
             });
     }
+
+    function search(search: string): list<var> {
+        const prefix = Config.launcher.specialPrefix;
+
+        if (search.startsWith(`${prefix}i `)) {
+            keys = ["id", "name"];
+            weights = [0.9, 0.1];
+        } else if (search.startsWith(`${prefix}c `)) {
+            keys = ["categories", "name"];
+            weights = [0.9, 0.1];
+        } else if (search.startsWith(`${prefix}d `)) {
+            keys = ["desc", "name"];
+            weights = [0.9, 0.1];
+        } else if (search.startsWith(`${prefix}e `)) {
+            keys = ["execString", "name"];
+            weights = [0.9, 0.1];
+        } else if (search.startsWith(`${prefix}w `)) {
+            keys = ["wmClass", "name"];
+            weights = [0.9, 0.1];
+        } else if (search.startsWith(`${prefix}g `)) {
+            keys = ["genericName", "name"];
+            weights = [0.9, 0.1];
+        } else if (search.startsWith(`${prefix}k `)) {
+            keys = ["keywords", "name"];
+            weights = [0.9, 0.1];
+        } else {
+            keys = ["name"];
+            weights = [1];
+
+            if (!search.startsWith(`${prefix}t `))
+                return query(search).map(e => e.modelData);
+        }
+
+        const results = query(search.slice(prefix.length + 2)).map(e => e.modelData);
+        if (search.startsWith(`${prefix}t `))
+            return results.filter(a => a.runInTerminal);
+        return results;
+    }
+
+    function selector(item: var): string {
+        return keys.map(k => item[k]).join(" ");
+    }
+
+    list: variants.instances
+    useFuzzy: Config.launcher.useFuzzy.apps
+
+    Variants {
+        id: variants
+
+        model: [...DesktopEntries.applications.values].sort((a, b) => a.name.localeCompare(b.name))
+
+        QtObject {
+            required property DesktopEntry modelData
+            readonly property string id: modelData.id
+            readonly property string name: modelData.name
+            readonly property string desc: modelData.comment
+            readonly property string execString: modelData.execString
+            readonly property string wmClass: modelData.startupClass
+            readonly property string genericName: modelData.genericName
+            readonly property string categories: modelData.categories.join(" ")
+            readonly property string keywords: modelData.keywords.join(" ")
+        }
+    }
 }