launcher: implement memory for selected tab

fixes #1806

quickshell/Common/SessionData.qml

@@ -126,6 +126,10 @@ Singleton {
     property var hiddenOutputDeviceNames: []
     property var hiddenInputDeviceNames: []
 
+    property string launcherLastMode: "all"
+    property string appDrawerLastMode: "apps"
+    property string niriOverviewLastMode: "apps"
+
     Component.onCompleted: {
         if (!isGreeterMode) {
             loadSettings();
@@ -1100,6 +1104,21 @@ Singleton {
         saveSettings();
     }
 
+    function setLauncherLastMode(mode) {
+        launcherLastMode = mode;
+        saveSettings();
+    }
+
+    function setAppDrawerLastMode(mode) {
+        appDrawerLastMode = mode;
+        saveSettings();
+    }
+
+    function setNiriOverviewLastMode(mode) {
+        niriOverviewLastMode = mode;
+        saveSettings();
+    }
+
     function syncWallpaperForCurrentMode() {
         if (!perModeWallpaper)
             return;

quickshell/Common/settings/SessionSpec.js

@@ -77,7 +77,11 @@ var SPEC = {
 
     deviceMaxVolumes: { def: {} },
     hiddenOutputDeviceNames: { def: [] },
-    hiddenInputDeviceNames: { def: [] }
+    hiddenInputDeviceNames: { def: [] },
+
+    launcherLastMode: { def: "all" },
+    appDrawerLastMode: { def: "apps" },
+    niriOverviewLastMode: { def: "apps" }
 };
 
 function getValidKeys() {

quickshell/Modals/DankLauncherV2/DankLauncherV2Modal.qml

@@ -102,7 +102,7 @@ Item {
             spotlightContent.searchField.text = query;
         }
         if (spotlightContent.controller) {
-            var targetMode = mode || "all";
+            var targetMode = mode || SessionData.launcherLastMode || "all";
             spotlightContent.controller.searchMode = targetMode;
             spotlightContent.controller.activePluginId = "";
             spotlightContent.controller.activePluginName = "";
@@ -230,6 +230,15 @@ Item {
         }
     }
 
+    Connections {
+        target: spotlightContent?.controller ?? null
+        function onModeChanged(mode) {
+            if (spotlightContent.controller.autoSwitchedToFiles)
+                return;
+            SessionData.setLauncherLastMode(mode);
+        }
+    }
+
     HyprlandFocusGrab {
         id: focusGrab
         windows: [launcherWindow]

quickshell/Modules/AppDrawer/AppDrawerPopout.qml

@@ -61,7 +61,7 @@ DankPopout {
             return;
 
         const query = _pendingQuery;
-        const mode = _pendingMode || "apps";
+        const mode = _pendingMode || SessionData.appDrawerLastMode || "apps";
         _pendingMode = "";
         _pendingQuery = "";
 
@@ -83,6 +83,15 @@ DankPopout {
         lc.actionPanel?.hide();
     }
 
+    Connections {
+        target: contentLoader.item?.launcherContent?.controller ?? null
+        function onModeChanged(mode) {
+            if (contentLoader.item.launcherContent.controller.autoSwitchedToFiles)
+                return;
+            SessionData.setAppDrawerLastMode(mode);
+        }
+    }
+
     content: Component {
         Rectangle {
             id: contentContainer

quickshell/Modules/WorkspaceOverlays/NiriOverviewOverlay.qml

@@ -127,7 +127,7 @@ Scope {
                 onShouldShowSpotlightChanged: {
                     if (shouldShowSpotlight) {
                         if (launcherContent?.controller) {
-                        launcherContent.controller.searchMode = "apps";
+                            launcherContent.controller.searchMode = SessionData.niriOverviewLastMode || "apps";
                             launcherContent.controller.performSearch();
                         }
                         return;
@@ -308,6 +308,11 @@ Scope {
                             function onItemExecuted() {
                                 niriOverviewScope.releaseKeyboard = true;
                             }
+                            function onModeChanged(mode) {
+                                if (launcherContent.controller.autoSwitchedToFiles)
+                                    return;
+                                SessionData.setNiriOverviewLastMode(mode);
+                            }
                         }
                     }
                 }