From 3d56e593a68cc7b1f60a9a95277f3885b744bc2c Mon Sep 17 00:00:00 2001
From: acetone <acetone@mail.i2p>
Date: Fri, 11 Feb 2022 03:50:27 -0500
Subject: [PATCH] fix for start to non-gui system (QApplication)

---
 main.cpp                | 7 ++++++-
 systemd/ircabot.service | 4 +++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index 0d00073..1dc5f73 100644
--- a/main.cpp
+++ b/main.cpp
@@ -16,7 +16,12 @@ int main(int argc, char *argv[])
         return 1;
     }
 
-    QApplication a(argc, argv);
+    // To start QApplication without X-server (non-GUI system) should use:
+    // "export QT_QPA_PLATFORM=offscreen" in plain shell
+    // or
+    // "Environment=QT_QPA_PLATFORM=offscreen" in systemd service ([Service] section)
+
+    QApplication a(argc, argv, false);
 
     QString configFile;
     for (int i = 1; i < argc; i++) {
diff --git a/systemd/ircabot.service b/systemd/ircabot.service
index eca46c9..a366ccd 100644
--- a/systemd/ircabot.service
+++ b/systemd/ircabot.service
@@ -8,7 +8,9 @@ Type=idle
 User=USERNAME
 # Change paths to actual (like a /srv/ircabot or something):
 ExecStart=/path/to/ircabot -c /path/to/ircabot.conf
+# To run on non-GUI system:
+Environment=QT_QPA_PLATFORM=offscreen
 Restart=on-failure
 
 [Install]
-WantedBy=multi-user.target
\ No newline at end of file
+WantedBy=multi-user.target