From a4af5d51e8fbb8a0e53f98aa9f9e238536aaba24 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Fri, 12 Jun 2026 21:08:39 +0800
Subject: [PATCH] Render split view spaces with ordered app halves

---
 C1.source/Sources/AlignerCore/Windows/WindowEnumerationPolicy.swift |   36 +++++++++++++++++++++++++++++++++---
 1 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/C1.source/Sources/AlignerCore/Windows/WindowEnumerationPolicy.swift b/C1.source/Sources/AlignerCore/Windows/WindowEnumerationPolicy.swift
index a219abb..16c3e0c 100644
--- a/C1.source/Sources/AlignerCore/Windows/WindowEnumerationPolicy.swift
+++ b/C1.source/Sources/AlignerCore/Windows/WindowEnumerationPolicy.swift
@@ -22,6 +22,7 @@
     public let activationPolicy: AlignerActivationPolicy
     public let title: String
     public let size: CGSize
+    public let frame: CGRect?
     public let subrole: AlignerWindowSubrole
     public let isMinimized: Bool
     public let isFullscreen: Bool
@@ -40,6 +41,7 @@
         title: String,
         identifierSource: AlignerWindow.IdentifierSource = .cgWindow,
         size: CGSize,
+        frame: CGRect? = nil,
         subrole: AlignerWindowSubrole,
         isMinimized: Bool = false,
         isFullscreen: Bool = false,
@@ -57,6 +59,7 @@
         self.activationPolicy = activationPolicy
         self.title = title
         self.size = size
+        self.frame = frame
         self.subrole = subrole
         self.isMinimized = isMinimized
         self.isFullscreen = isFullscreen
@@ -83,6 +86,7 @@
         guard !record.isDesktopElement else { return false }
         guard !record.isSystemCritical else { return false }
         guard record.isInteractable else { return false }
+        guard !isKnownClosedShottrCGPlaceholder(record) else { return false }
         guard !isCGOnlyOffscreenGhost(record) else { return false }
         guard !isKnownClosedDocumentPlaceholder(record) else { return false }
 
@@ -91,7 +95,7 @@
 
     private static func hasSupportedActivationPolicy(_ record: WindowEnumerationRecord) -> Bool {
         record.activationPolicy == .regular
-            || (record.activationPolicy == .accessory && isKnownCGOnlyOffscreenMainWindow(record))
+            || (record.activationPolicy == .accessory && isKnownAccessoryMainWindow(record))
     }
 
     public static func window(from record: WindowEnumerationRecord) -> AlignerWindow? {
@@ -105,6 +109,7 @@
             isMinimized: record.isMinimized,
             isFullscreen: record.isFullscreen,
             isGhost: record.isGhost,
+            frame: record.frame,
             spaceIDs: record.spaceIDs
         )
     }
@@ -132,6 +137,10 @@
             return false
         }
 
+        if !record.spaceIDs.isEmpty {
+            return false
+        }
+
         return !isKnownCGOnlyOffscreenMainWindow(record)
     }
 
@@ -139,8 +148,8 @@
         let trimmedTitle = record.title.trimmingCharacters(in: .whitespacesAndNewlines)
 
         switch record.app.bundleIdentifier {
-        case "cc.ffitch.shottr":
-            return trimmedTitle == "Shottr" && isLargeEnough(record.size)
+        case "com.apple.finder":
+            return !trimmedTitle.isEmpty && isLargeEnough(record.size)
         case "io.dcloud.HBuilderX":
             return !trimmedTitle.isEmpty && isLargeEnough(record.size)
         default:
@@ -148,6 +157,27 @@
         }
     }
 
+    private static func isKnownAccessoryMainWindow(_ record: WindowEnumerationRecord) -> Bool {
+        let trimmedTitle = record.title.trimmingCharacters(in: .whitespacesAndNewlines)
+
+        return record.app.bundleIdentifier == "cc.ffitch.shottr"
+            && trimmedTitle == "Shottr"
+            && record.isOnscreen
+            && isLargeEnough(record.size)
+    }
+
+    private static func isKnownClosedShottrCGPlaceholder(_ record: WindowEnumerationRecord) -> Bool {
+        let trimmedTitle = record.title.trimmingCharacters(in: .whitespacesAndNewlines)
+
+        return record.app.bundleIdentifier == "cc.ffitch.shottr"
+            && trimmedTitle == "Shottr"
+            && record.identifierSource == .cgWindow
+            && !record.hasAXBacking
+            && !record.isOnscreen
+            && !record.isMinimized
+            && !record.isFullscreen
+    }
+
     private static func isKnownClosedDocumentPlaceholder(_ record: WindowEnumerationRecord) -> Bool {
         let trimmedTitle = record.title.trimmingCharacters(in: .whitespacesAndNewlines)
         return record.identifierSource == .cgWindow

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