launcher: improve clipboard preview performance

related #2769

quickshell/Modals/DankLauncherV2/ClipboardLauncherPreview.qml

@@ -41,13 +41,18 @@ Rectangle {
     }
 
     function reloadPreview() {
-        cachedImageData = "";
-        cachedMimeType = "";
         if (!canLoadImage || !entry?.id) {
             _requestedEntryId = null;
+            cachedImageData = "";
+            cachedMimeType = "";
             return;
         }
+        // Entry objects are rebuilt per search; same id means same content
+        if (entry.id === _requestedEntryId)
+            return;
 
+        cachedImageData = "";
+        cachedMimeType = "";
         const entryId = entry.id;
         _requestedEntryId = entryId;
         DMSService.sendRequest("clipboard.getEntry", {
@@ -78,6 +83,8 @@ Rectangle {
         asynchronous: true
         cache: false
         smooth: true
+        sourceSize.width: 128
+        sourceSize.height: 128
         fillMode: Image.PreserveAspectCrop
         visible: status === Image.Ready
     }

quickshell/Modals/DankLauncherV2/Controller.qml

@@ -110,7 +110,7 @@ Item {
             if (query !== effectiveQuery)
                 return;
 
-            searchDebounce.restart();
+            root.requestSearch();
         }
     }
 
@@ -380,10 +380,29 @@ Item {
     property bool _pluginPhaseForceFirst: false
     property var _phase1Items: []
 
+    property bool _searchPending: false
+
+    // Leading-edge debounce: search immediately when idle, coalesce bursts
+    function requestSearch() {
+        if (searchDebounce.running) {
+            _searchPending = true;
+            searchDebounce.restart();
+            return;
+        }
+        _searchPending = false;
+        performSearch();
+        searchDebounce.restart();
+    }
+
     Timer {
         id: searchDebounce
         interval: 60
-        onTriggered: root.performSearch()
+        onTriggered: {
+            if (!root._searchPending)
+                return;
+            root._searchPending = false;
+            root.performSearch();
+        }
     }
 
     Timer {
@@ -409,7 +428,7 @@ Item {
         _phase1Items = [];
         pluginPhaseTimer.stop();
         searchQuery = query;
-        searchDebounce.restart();
+        requestSearch();
 
         if (searchMode !== "plugins" && query.startsWith("/")) {
             var prefix = Utils.parseFileSearchPrefix(query);
@@ -1871,7 +1890,8 @@ Item {
     }
 
     function executeSelected() {
-        if (searchDebounce.running) {
+        if (_searchPending) {
+            _searchPending = false;
             searchDebounce.stop();
             performSearch();
         }

quickshell/Modals/DankLauncherV2/SpotlightResultRow.qml

@@ -50,7 +50,6 @@ Rectangle {
     }
     readonly property bool hasClipboardPreview: item?.type === "clipboard" && item?.data?.isImage === true && (item?.data?.mimeType ?? "").startsWith("image/")
     readonly property bool hasMediaPreview: previewSource.length > 0 || hasClipboardPreview
-    readonly property bool previewAnimated: previewSource.toLowerCase().indexOf(".gif") >= 0
 
     readonly property string typeLabel: {
         if (!item)
@@ -284,16 +283,10 @@ Rectangle {
             anchors.fill: parent
             source: root.previewSource
             asynchronous: true
+            sourceSize.width: 128
+            sourceSize.height: 128
             fillMode: Image.PreserveAspectCrop
-            visible: !root.hasClipboardPreview && !root.previewAnimated
-        }
-
-        AnimatedImage {
-            anchors.fill: parent
-            source: root.previewSource
-            fillMode: Image.PreserveAspectCrop
-            playing: visible
-            visible: !root.hasClipboardPreview && root.previewAnimated
+            visible: !root.hasClipboardPreview
         }
 
         ClipboardLauncherPreview {

quickshell/Modals/DankLauncherV2/TileItem.qml

@@ -165,6 +165,9 @@ Rectangle {
                     anchors.margins: root.hasScreencopy ? 4 : 0
                     fillMode: Image.PreserveAspectFit
                     source: root.item?.data?.attribution || ""
+                    asynchronous: true
+                    sourceSize.width: 80
+                    sourceSize.height: 80
                     mipmap: true
                 }
             }

quickshell/Widgets/AppIconRenderer.qml

@@ -85,6 +85,7 @@ Item {
         anchors.fill: parent
         imagePath: root.imagePath
         maxCacheSize: root.iconSize * 2
+        animate: false
         visible: root.isImage && status === Image.Ready
     }