feat: initial commit for pixel-snapping components and helpers

Greeter/Center.qml

@@ -3,11 +3,12 @@ pragma ComponentBehavior: Bound
 import QtQuick
 import QtQuick.Layouts
 import ZShell.Config
+import ZShell.Components
 import qs.Components
 import qs.Helpers
 import qs.Services
 
-ColumnLayout {
+SnapLayout {
 	id: root
 
 	readonly property real centerScale: Math.min(1, screenHeight / 1440)
@@ -18,9 +19,11 @@ ColumnLayout {
 	Layout.fillHeight: true
 	Layout.fillWidth: false
 	Layout.preferredWidth: centerWidth
+
+	orientation: Qt.Vertical
 	spacing: Tokens.spacing.largeIncreased * 2
 
-	RowLayout {
+	SnapLayout {
 		Layout.alignment: Qt.AlignHCenter
 		spacing: Tokens.spacing.small
 
@@ -116,7 +119,7 @@ ColumnLayout {
 			}
 		}
 
-		RowLayout {
+		SnapLayout {
 			id: input
 
 			anchors.fill: parent