Merge pull request #2044 from eric-handley/fix/launcher-performance

Fix launcher opening delay

Modules/MainScreen/SmartPanel.qml

@@ -72,6 +72,8 @@ Item {
   property bool cachedAnimateFromBottom: false
   property bool cachedAnimateFromLeft: false
   property bool cachedAnimateFromRight: false
+
+  readonly property bool animationsDisabled: Settings.data.general.animationDisabled
   property bool cachedShouldAnimateWidth: false
   property bool cachedShouldAnimateHeight: false
 
@@ -1312,7 +1314,13 @@ Item {
 
           // Make panel visible, now only the intended dimension will animate
           root.isPanelVisible = true;
-          opacityTrigger.start();
+
+          if (root.animationsDisabled) {
+            // Skip delay when animations are disabled
+            root.sizeAnimationComplete = true;
+          } else {
+            opacityTrigger.start();
+          }
 
           // Start open watchdog timer
           root.openWatchdogActive = true;

Modules/Panels/Launcher/LauncherCore.qml

@@ -47,7 +47,7 @@ Rectangle {
 
   Timer {
     id: mouseTrackingDelayTimer
-    interval: Style.animationNormal + 50 // Wait for panel animation to complete + safety margin
+    interval: root.animationsDisabled ? 0 : (Style.animationNormal + 50) // Wait for panel animation to complete + safety margin
     repeat: false
     onTriggered: {
       root.mouseTrackingReady = true;
@@ -57,6 +57,7 @@ Rectangle {
 
   readonly property var defaultProvider: appsProvider
   readonly property var currentProvider: activeProvider || defaultProvider
+  readonly property bool animationsDisabled: Settings.data.general.animationDisabled
 
   readonly property string launcherDensity: (currentProvider && currentProvider.ignoreDensity === false) ? (Settings.data.appLauncher.density || "default") : "comfortable"
   readonly property int effectiveIconSize: launcherDensity === "comfortable" ? 48 : (launcherDensity === "default" ? 36 : 24)
@@ -159,20 +160,31 @@ Rectangle {
   }
 
   function onOpened() {
-    resultsReady = false;
     ignoreMouseHover = true;
     globalMouseInitialized = false;
     mouseTrackingReady = false;
     mouseTrackingDelayTimer.restart();
-    syncPluginProviders();
+
+    // Show launcher immediately, results will populate asynchronously
+    resultsReady = true;
+    focusSearchInput();
+
     Qt.callLater(() => {
-                   for (let provider of providers) {
-                     if (provider.onOpened)
-                     provider.onOpened();
-                   }
+                   syncPluginProviders();
+
+                   // Call ApplicationsProvider.onOpened() first (sets category)
+                   if (appsProvider.onOpened)
+                     appsProvider.onOpened();
+
                    updateResults();
-                   resultsReady = true;
-                   focusSearchInput();
+
+                   // Defer other provider initialization until after results are shown
+                   Qt.callLater(() => {
+                     for (let provider of providers) {
+                       if (provider !== appsProvider && provider.onOpened)
+                         provider.onOpened();
+                     }
+                   });
                  });
   }
 
@@ -215,6 +227,7 @@ Rectangle {
 
   function syncPluginProviders() {
     var registeredIds = LauncherProviderRegistry.getPluginProviders();
+    var changed = false;
 
     // Remove providers that are no longer registered
     for (var existingId in pluginProviderInstances) {
@@ -225,6 +238,7 @@ Rectangle {
         pluginProviderInstances[existingId].destroy();
         delete pluginProviderInstances[existingId];
         Logger.d("Launcher", "Removed plugin provider:", existingId);
+        changed = true;
       }
     }
 
@@ -243,13 +257,14 @@ Rectangle {
             pluginProviderInstances[providerId] = instance;
             registerProvider(instance);
             Logger.d("Launcher", "Registered plugin provider:", providerId);
+            changed = true;
           }
         }
       }
     }
 
-    // Update results if launcher is open
-    if (root.isOpen) {
+    // Update results only if providers changed
+    if (changed && root.isOpen) {
       updateResults();
     }
   }

Modules/Panels/Launcher/Providers/ApplicationsProvider.qml

@@ -63,8 +63,8 @@ Item {
   }
 
   function onOpened() {
-    // Refresh apps when launcher opens
-    loadApplications();
+    // Just update available categories in case pinned apps changed
+    updateAvailableCategories();
     // Default to Pinned if there are pinned apps, otherwise all
     if (availableCategories.includes("Pinned")) {
       selectedCategory = "Pinned";
@@ -75,6 +75,15 @@ Item {
     showsCategories = true;
   }
 
+  // Reload applications when desktop entries change on disk
+  Connections {
+    target: typeof DesktopEntries !== 'undefined' ? DesktopEntries.applications : null
+    function onValuesChanged() {
+      Logger.d("ApplicationsProvider", "Desktop entries changed, reloading applications");
+      loadApplications();
+    }
+  }
+
   function selectCategory(category) {
     selectedCategory = category;
     if (launcher) {