Add Qt Plugins Debug output to logs

README.rst

@@ -48,12 +48,6 @@ To get the current development version, you need to have a working Python 3 envi
 
 Then run ``beeref`` or ``beeref filename.bee``.
 
-If there are issues starting the application, run it with the environment variable ``QT_DEBUG_PLUGINS`` set to 1, for example from a Linux shell::
-
-  QT_DEBUG_PLUGINS=1 beeref
-
-This should tell you whether you need to install any additional libraries.
-
 
 Features
 --------
@@ -79,6 +73,20 @@ The bee file format is a sqlite database inside which the images are stored in a
 Options for exporting from inside BeeRef are planned, but the above always works independently of BeeRef.
 
 
+Troubleshooting
+---------------
+
+You can access the log output via *Help -> Show Debug Log*. In case BeeRef doesn't start at all, you can find the log file here:
+
+Windows:
+
+  C:\Documents and Settings\USERNAME\Application Data\BeeRef\BeeRef.log
+
+Linux and MacOS:
+
+  /home/USERNAME/.config/BeeRef/BeeRef.log
+
+
 Notes for developers
 --------------------
 

beeref/__main__.py

@@ -16,6 +16,7 @@
 # along with BeeRef.  If not, see <https://www.gnu.org/licenses/>.
 
 import logging
+import os
 import platform
 import signal
 import sys
@@ -106,10 +107,11 @@ def main():
     logger.info(f'Using settings: {settings.fileName()}')
     logger.info(f'Logging to: {logfile_name()}')
     CommandlineArgs(with_check=True)  # Force checking
+
+    os.environ["QT_DEBUG_PLUGINS"] = "1"
     app = BeeRefApplication(sys.argv)
     palette = create_palette_from_dict(constants.COLORS)
     app.setPalette(palette)
-
     bee = BeeRefMainWindow(app)  # NOQA:F841
 
     signal.signal(signal.SIGINT, handle_sigint)

beeref/config.py

@@ -208,6 +208,11 @@ logging_conf = {
             'level': 'TRACE',
             'propagate': False,
         },
+        'Qt': {
+            'handlers': ['console', 'file'],
+            'level': 'DEBUG',
+            'propagate': False,
+        },
     },
     'root': {
         'handlers': ['console', 'file'],