feat(danklauncher): add launcher history (#2086)

* remember last search query

* add launcherLastQuery SessionSpec

* add rememberLastQuery option

* Add remember last query for appdrawer

* Add query history sessiondata

* Complete and cleanup

* Discard changes to quickshell/Modules/Settings/LauncherTab.qml

* Cleanup logic

* Add rememberLastQuery option

* Add rememberLastQuery option description

* Move setLauncherLastQuery above validation

* Fix logic bug with empty query

quickshell/Common/SessionData.qml

@@ -132,6 +132,8 @@ Singleton {
     property string timeLocale: ""
 
     property string launcherLastMode: "all"
+    property string launcherLastQuery: ""
+    property var launcherQueryHistory: []
     property string appDrawerLastMode: "apps"
     property string niriOverviewLastMode: "apps"
     property string settingsSidebarExpandedIds: ","
@@ -1096,6 +1098,43 @@ Singleton {
         saveSettings();
     }
 
+    function setLauncherLastQuery(query) {
+        launcherLastQuery = query;
+        saveSettings();
+    }
+
+    function addLauncherHistory(query) {
+        let q = query.trim();
+
+        setLauncherLastQuery(q);
+
+        if (!q)
+            return;
+
+        if (launcherQueryHistory.length > 0 && launcherQueryHistory[0] === q) {
+            return;
+        }
+
+        let history = [...launcherQueryHistory];
+
+        let idx = history.indexOf(q);
+        if (idx !== -1)
+            history.splice(idx, 1);
+
+        history.unshift(q);
+        if (history.length > 50)
+            history = history.slice(0, 50);
+
+        launcherQueryHistory = history;
+        saveSettings();
+    }
+
+    function clearLauncherHistory() {
+        launcherLastQuery = "";
+        launcherSearchHistory = [];
+        saveSettings();
+    }
+
     function setAppDrawerLastMode(mode) {
         appDrawerLastMode = mode;
         saveSettings();

quickshell/Common/SettingsData.qml

@@ -338,6 +338,7 @@ Singleton {
     property bool sortAppsAlphabetically: false
     property int appLauncherGridColumns: 4
     property bool spotlightCloseNiriOverview: true
+    property bool rememberLastQuery: false
     property var spotlightSectionViewModes: ({})
     onSpotlightSectionViewModesChanged: saveSettings()
     property var appDrawerSectionViewModes: ({})

quickshell/Common/settings/SessionSpec.js

@@ -83,6 +83,8 @@ var SPEC = {
     timeLocale: { def: "" },
 
     launcherLastMode: { def: "all" },
+    launcherLastQuery: { def: "" },
+    launcherQueryHistory: { def: [] },
     appDrawerLastMode: { def: "apps" },
     niriOverviewLastMode: { def: "apps" },
 

quickshell/Common/settings/SettingsSpec.js

@@ -189,6 +189,7 @@ var SPEC = {
     sortAppsAlphabetically: { def: false },
     appLauncherGridColumns: { def: 4 },
     spotlightCloseNiriOverview: { def: true },
+    rememberLastQuery: { def: false },
     spotlightSectionViewModes: { def: {} },
     appDrawerSectionViewModes: { def: {} },
     niriOverviewOverlayEnabled: { def: true },