proper color scheme preview to avoid watcher creation spam

Helpers/WallpaperPath.qml

@@ -17,7 +17,10 @@ Singleton {
 		watchChanges: true
 
 		onAdapterUpdated: writeAdapter()
-		onFileChanged: reload()
+		onFileChanged: {
+			reload();
+			Wallpapers.previewColorLock = false;
+		}
 
 		JsonAdapter {
 			id: adapter

Helpers/Wallpapers.qml

@@ -6,7 +6,7 @@ import Quickshell.Io
 import QtQuick
 import ZShell.Models
 import ZShell.Config
-import qs.Modules
+import qs.Services
 import qs.Helpers
 import qs.Paths
 
@@ -17,6 +17,8 @@ Searcher {
 	property alias crops: adapter.monitorCrops
 	readonly property string current: showPreview ? previewPath : actualCurrent
 	property alias monitorCrops: monitorCrops
+	property bool pendingPreviewClear
+	property bool previewColorLock
 	property string previewPath
 	property bool recentlyChanged
 	property bool showPreview: false
@@ -34,9 +36,10 @@ Searcher {
 
 	function preview(path: string): void {
 		previewPath = path;
-		if (Config.general.color.schemeGeneration)
-			Quickshell.execDetached(["zshell-cli", "scheme", "generate", "--image-path", `${previewPath}`, "--scheme", `${Config.colors.schemeType}`, "--mode", `${Config.general.color.mode}`]);
 		showPreview = true;
+
+		if (Config.general.color.schemeGeneration)
+			previewColorsProc.running = true;
 	}
 
 	function setCrop(screen: string, rect: rect, zoom: real): void {
@@ -52,7 +55,6 @@ Searcher {
 			height: rect.height,
 			zoom: zoom
 		};
-		// root.crops = updated;
 	}
 
 	function setWallpaper(path: string): void {
@@ -66,8 +68,10 @@ Searcher {
 
 	function stopPreview(): void {
 		showPreview = false;
-		if (Config.general.color.schemeGeneration)
-			Quickshell.execDetached(["zshell-cli", "scheme", "generate", "--image-path", `${root.actualCurrent}`, "--scheme", `${Config.colors.schemeType}`, "--mode", `${Config.general.color.mode}`]);
+		if (previewColorLock)
+			pendingPreviewClear = true;
+		else
+			Colors.showPreview = false;
 	}
 
 	extraOpts: useFuzzy ? ({}) : ({
@@ -77,6 +81,11 @@ Searcher {
 	list: wallpapers.entries
 	useFuzzy: true
 
+	onPreviewColorLockChanged: {
+		if (!previewColorLock && pendingPreviewClear)
+			Colors.showPreview = false;
+	}
+
 	IpcHandler {
 		function set(path: string): void {
 			root.setWallpaper(path);
@@ -118,4 +127,17 @@ Searcher {
 		path: Config.general.wallpaperPath
 		recursive: true
 	}
+
+	Process {
+		id: previewColorsProc
+
+		command: ["zshell-cli", "scheme", "generate", "-p", "-i", root.previewPath]
+
+		stdout: StdioCollector {
+			onStreamFinished: {
+				Colors.load(text, true);
+				Colors.showPreview = true;
+			}
+		}
+	}
 }