From fc02a4431b42881678c66702b2d81ac04be26964 Mon Sep 17 00:00:00 2001
From: dynobo <dynobo@mailbox.org>
Date: Sun, 14 Jan 2024 23:28:00 +0100
Subject: [PATCH] fix(gui): second instance triggers second capture window #580

---
 CHANGELOG           | 6 +++++-
 normcap/gui/tray.py | 5 +++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 17e0f7d6..9557059a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,9 +2,13 @@
 
 # Changelog
 
-## v0.5.4 (upcoming)
+## v0.5.4 (2024-01-15)
 
+- All: Fix duplicate capture window if started twice
+  ([#580](https://github.com/dynobo/normcap/issues/580))
 - Linux: Improve robustness of window positioning on Wayland.
+- Linux: Improve debug output regarding clipboard methods.
+  ([#581](https://github.com/dynobo/normcap/issues/581))
 
 ## v0.5.3 (2024-01-04)
 
diff --git a/normcap/gui/tray.py b/normcap/gui/tray.py
index dcf456ea..b17083d8 100644
--- a/normcap/gui/tray.py
+++ b/normcap/gui/tray.py
@@ -176,9 +176,14 @@ def _on_ready_read(self) -> None:
         """Process messages received from other NormCap instances."""
         if not self._socket_in:
             return
+
         message = self._socket_in.readAll()
+        # TODO: Test if `is message` check is necessary
         if message and message.data().decode("utf-8", errors="ignore") == "capture":
             logger.info("Received socket signal to capture.")
+            if self.windows:
+                logger.debug("Capture window(s) already open. Doing nothing.")
+                return
             self._show_windows(delay_screenshot=True)
 
     @QtCore.Slot(QtWidgets.QSystemTrayIcon.ActivationReason)