Fix/3958 dock tooltip & app icon perf (#3962)

port 2.0

quickshell/Modules/Dock/DockAppButton.qml

@@ -1,6 +1,5 @@
 import QtQuick
 import QtQuick.Effects
-import Quickshell.Widgets
 import qs.Common
 import qs.Services
 import qs.DCommon.Widgets
@@ -28,6 +27,12 @@ Item {
     property bool showTooltip: mouseArea.containsMouse && !dragging
     property var cachedDesktopEntry: dockApps?.desktopEntries[appData?.appId] ?? null
     property real actualIconSize: 40
+    readonly property real iconLoadScale: {
+        const config = dockApps?.surfaceContext?.config;
+        const magnified = config?.magnification ? config.magnificationScale / 100 : 1;
+        const enlarged = options?.enlargeOnHover ? (options?.enlargePercentage ?? 125) / 100 : 1;
+        return Math.max(1, magnified * enlarged);
+    }
     readonly property bool indicatorAtFarEdge: root.options.position === SettingsData.Position.Bottom || root.options.position === SettingsData.Position.Right
     readonly property bool indicatorInPadding: !(root.dockApps?.barHosted ?? false)
     readonly property real indicatorThickness: indicatorInPadding ? root.options.spacing : Math.max(0, ((isVertical ? width : height) - actualIconSize) / 2)
@@ -462,11 +467,16 @@ Item {
                 visible: iconValue !== ""
             }
 
-            IconImage {
+            Image {
                 id: iconImg
 
+                readonly property real displaySize: appData && Paths.isDmsAppId(appData.appId) ? actualIconSize * 0.85 : actualIconSize
+
                 anchors.centerIn: parent
-                implicitSize: appData && Paths.isDmsAppId(appData.appId) ? actualIconSize * 0.85 : actualIconSize
+                width: displaySize
+                height: displaySize
+                fillMode: Image.PreserveAspectFit
+                sourceSize: Qt.size(displaySize * root.iconLoadScale, displaySize * root.iconLoadScale)
                 source: {
                     if (!appData || appData.appId === "__SEPARATOR__") {
                         return "";

quickshell/Modules/Dock/DockBody.qml

@@ -581,6 +581,7 @@ FocusScope {
     DTooltip {
         id: dockTooltip
         targetScreen: dock.screen
+        persistent: dock.config.enabled && (dock.hostWindow?.visible ?? false) && !dock.fullscreenOnScreen
     }
 
     Timer {

quickshell/Widgets/DTooltip.qml

@@ -16,6 +16,8 @@ PanelWindow {
     property var targetScreen: null
     property bool alignLeft: false
     property bool alignRight: false
+    property bool persistent: false
+    property bool shown: false
 
     function show(text, x, y, screen, leftAlign, rightAlign) {
         root.text = text;
@@ -24,11 +26,11 @@ PanelWindow {
         targetY = y;
         alignLeft = leftAlign ?? false;
         alignRight = rightAlign ?? false;
-        visible = true;
+        shown = true;
     }
 
     function hide() {
-        visible = false;
+        shown = false;
     }
 
     screen: targetScreen
@@ -36,7 +38,7 @@ PanelWindow {
     implicitHeight: textContent.implicitHeight + Theme.spacingS * 2
     color: "transparent"
     mask: Region {}
-    visible: false
+    visible: persistent || shown
     WlrLayershell.layer: WlrLayershell.Overlay
     WlrLayershell.exclusiveZone: -1
 
@@ -68,6 +70,7 @@ PanelWindow {
 
     Rectangle {
         anchors.fill: parent
+        visible: root.shown
         color: Theme.inverseSurface
         radius: Theme.cornerRadiusXS