From fb37da7e406e6da86080ad4bb281b3d4ec2d1dbc Mon Sep 17 00:00:00 2001
From: lm <m@hler.eu>
Date: Sun, 19 Oct 2025 18:18:45 +0200
Subject: [PATCH] Ensure taskbar entry for borderless window

---
 app/app.py | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 52 insertions(+), 1 deletion(-)

diff --git a/app/app.py b/app/app.py
index 78a37b4..bc7eb6f 100644
--- a/app/app.py
+++ b/app/app.py
@@ -84,7 +84,58 @@ class ICRAApp(
         self._is_maximized = True
         self.root.geometry(f"{screen_width}x{screen_height}+0+0")
         self.root.configure(bg="#f2f2f7")
-        self.root.bind("<Map>", lambda _e: self.root.overrideredirect(True))
+        self.root.bind("<Map>", self._restore_borderless)
+        self.root.after(0, self._ensure_taskbar_entry)
+
+    def _restore_borderless(self, _event=None) -> None:
+        try:
+            self.root.overrideredirect(True)
+            self._ensure_taskbar_entry()
+        except Exception:
+            pass
+
+    def _ensure_taskbar_entry(self) -> None:
+        """Force the borderless window to show up in the Windows taskbar."""
+        try:
+            import platform
+
+            if platform.system() != "Windows":
+                return
+
+            import ctypes
+            hwnd = self.root.winfo_id()
+            if not hwnd:
+                return
+
+            GWL_EXSTYLE = -20
+            WS_EX_TOOLWINDOW = 0x00000080
+            WS_EX_APPWINDOW = 0x00040000
+            SWP_NOSIZE = 0x0001
+            SWP_NOMOVE = 0x0002
+            SWP_NOZORDER = 0x0004
+            SWP_FRAMECHANGED = 0x0020
+
+            user32 = ctypes.windll.user32  # type: ignore[attr-defined]
+            shell32 = ctypes.windll.shell32  # type: ignore[attr-defined]
+
+            style = user32.GetWindowLongW(hwnd, GWL_EXSTYLE)
+            new_style = (style & ~WS_EX_TOOLWINDOW) | WS_EX_APPWINDOW
+            if new_style != style:
+                user32.SetWindowLongW(hwnd, GWL_EXSTYLE, new_style)
+                user32.SetWindowPos(
+                    hwnd,
+                    0,
+                    0,
+                    0,
+                    0,
+                    0,
+                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED,
+                )
+
+            app_id = ctypes.c_wchar_p("ICRA.App")
+            shell32.SetCurrentProcessExplicitAppUserModelID(app_id)
+        except Exception:
+            pass
 
 
 def start_app() -> None: