wayland/shortcuts-inhibit: add shortcuts inhibitor

src/wayland/shortcuts_inhibit/test/manual/test.qml

@@ -0,0 +1,65 @@
+import QtQuick
+import QtQuick.Layouts
+import QtQuick.Controls
+import Quickshell
+import Quickshell.Wayland
+
+Scope {
+	Timer {
+		id: toggleTimer
+		interval: 100
+		onTriggered: windowLoader.active = true
+	}
+
+	LazyLoader {
+		id: windowLoader
+		active: true
+
+		property bool enabled: false
+
+		FloatingWindow {
+			id: w
+			color: contentItem.palette.window
+
+			ColumnLayout {
+				anchors.centerIn: parent
+
+				CheckBox {
+					id: loadedCb
+					text: "Loaded"
+					checked: true
+				}
+
+				CheckBox {
+					id: enabledCb
+					text: "Enabled"
+					checked: windowLoader.enabled
+					onCheckedChanged: windowLoader.enabled = checked
+				}
+
+				Label {
+					text: `Active: ${inhibitorLoader.item?.active ?? false}`
+				}
+
+				Button {
+					text: "Toggle Window"
+					onClicked: {
+						windowLoader.active = false;
+						toggleTimer.start();
+					}
+				}
+			}
+
+			LazyLoader {
+				id: inhibitorLoader
+				active: loadedCb.checked
+
+				ShortcutInhibitor {
+					window: w
+					enabled: enabledCb.checked
+					onCancelled: enabledCb.checked = false
+				}
+			}
+		}
+	}
+}