Fix that fullscreen is exited if window on a different monitor is foc…

…used

closes #35

src/command/FocusCommand.swift

@@ -30,7 +30,7 @@ private func makeFloatingWindowsSeenAsTiling(workspace: Workspace) -> [FloatingW
     let floatingWindows: [FloatingWindowData] = workspace.floatingWindows
         .map { (window: Window) -> FloatingWindowData? in
             guard let center = window.getCenter() else { return nil }
-            // todo bug: what if there are now tiling windows on the workspace?
+            // todo bug: what if there are no tiling windows on the workspace?
             guard let target = center.coerceIn(rect: window.workspace.monitor.visibleRectPaddedByOuterGaps).findIn(tree: workspace.rootTilingContainer, virtual: true) else { return nil }
             guard let targetCenter = target.getCenter() else { return nil }
             guard let tilingParent = target.parent as? TilingContainer else { return nil }

src/tree/WorkspaceEx.swift

@@ -54,11 +54,6 @@ extension Workspace {
     func layoutWorkspace() {
         if isEffectivelyEmpty { return }
         let rect = monitor.visibleRectPaddedByOuterGaps
-        layoutRecursive(
-            rect.topLeftCorner,
-            width: rect.width,
-            height: rect.height,
-            virtual: rect
-        )
+        layoutRecursive(rect.topLeftCorner, width: rect.width, height: rect.height, virtual: rect)
     }
 }

src/tree/layoutRecursive.swift

@@ -15,7 +15,7 @@ extension TreeNode {
         case .window(let window):
             if window.windowId != currentlyManipulatedWithMouseWindowId {
                 lastAppliedLayoutVirtualRect = virtual
-                if window.isFullscreen && window == focusedWindow {
+                if window.isFullscreen && window == workspace.mostRecentWindow {
                     lastAppliedLayoutPhysicalRect = nil
                     let monitorRect = window.workspace.monitor.visibleRectPaddedByOuterGaps
                     window.setTopLeftCorner(monitorRect.topLeftCorner)