Fix window minimized window initializaiton

CHANGELOG.md

@@ -17,6 +17,7 @@
 
 ### Fixes
 
+- Fix an issue that document windows were not properly initialized when the windows minimized on launch.
 - Fix an issue in the file browser that duplicate folders were displayed after renaming a folder.
 - Fix an issue in the file browser that some actions for the root folder were incorrectly disabled.
 - Fix an issue that changes of insertion formats in the Snippets settings pane were not saved.

CotEditor/Sources/Document Window/DocumentWindowController.swift

@@ -58,6 +58,8 @@ final class DocumentWindowController: NSWindowController, NSWindowDelegate {
     private var directoryDocument: DirectoryDocument?
     private var hasDirectoryBrowser: Bool  { self.directoryDocument != nil }
 
+    private var needsManualOnAppear = false
+
     private lazy var editedIndicator: NSView = NSHostingView(rootView: Circle()
         .fill(.tertiary)
         .frame(width: 4, height: 4)
@@ -201,6 +203,23 @@ final class DocumentWindowController: NSWindowController, NSWindowDelegate {
     }
 
 
+    func windowWillMiniaturize(_ notification: Notification) {
+
+        if self.window?.isVisible == false {
+            self.needsManualOnAppear = true
+        }
+    }
+
+
+    func windowDidDeminiaturize(_ notification: Notification) {
+
+        if self.needsManualOnAppear {
+            self.contentViewController?.performOnAppearProcedure()
+            self.needsManualOnAppear = false
+        }
+    }
+
+
     func windowWillEnterFullScreen(_ notification: Notification) {
 
         self.window?.isOpaque = true
@@ -345,6 +364,25 @@ final class DocumentWindowController: NSWindowController, NSWindowDelegate {
 }
 
 
+private extension NSViewController {
+
+    /// Recursively invokes `viewWillAppear()` and `viewDidAppear()`.
+    ///
+    /// Workaround the issue `viewWillAppear()` and `viewDidAppear()` are not invoked
+    /// on de-miniaturization when the window was initially miniaturized (2024-10, macOS 15, FB15331763).
+    func performOnAppearProcedure() {
+
+        guard self.isViewShown else { return }
+
+        self.viewWillAppear()
+        self.viewDidAppear()
+
+        for child in self.children {
+            child.performOnAppearProcedure()
+        }
+    }
+}
+
 
 // MARK: - Toolbar