Fix konsole dbus call and modify xsettingsd on kde as a fallback method

yin_yang/plugins/_plugin.py

@@ -118,7 +118,7 @@ def __str__(self):
 
 
 class PluginCommandline(Plugin):
-    def __init__(self, command: [str]):
+    def __init__(self, command: list[str]):
         """
         :param command: list of arguments as passed to @subprocess.run, with the theme being inserted as {theme}
         """
@@ -174,7 +174,7 @@ def __init__(self, strategy_instance: Optional[Plugin]):
             logger.warning(f'Plugin {self.name} has no support for your desktop environment yet!')
 
     @property
-    def strategy(self) -> Plugin:
+    def strategy(self) -> Plugin | None:
         return self._strategy_instance
 
     @property

yin_yang/plugins/gtk.py

@@ -1,6 +1,7 @@
 import logging
 from os import scandir, path
 from pathlib import Path
+import subprocess
 
 from PySide6.QtDBus import QDBusConnection, QDBusMessage
 
@@ -79,7 +80,23 @@ def set_theme(self, theme: str):
             'setGtkTheme'
         )
         message.setArguments([theme])
-        connection.call(message)
+        response = connection.call(message)
+        if response.type() == QDBusMessage.MessageType.ErrorMessage:
+            logger.warning('kde-gtk-config not available, try xsettingsd')
+            xsettingsd_conf_path = Path.home() / '.config' / 'xsettingsd' / 'xsettingsd.conf'
+            if not xsettingsd_conf_path.exists():
+                logger.warning('xsettingsd not available')
+            with open(xsettingsd_conf_path, 'r') as f:
+                lines = f.readlines()
+                for i, line in enumerate(lines):
+                    if line.startswith('Net/ThemeName'):
+                        lines[i] = f'Net/ThemeName "{theme}"\n'
+                        break
+            with open(xsettingsd_conf_path, 'w') as f:
+                f.writelines(lines)
+            subprocess.run(['killall', '-HUP', 'xsettingsd'])
+        else:
+            logger.debug('Success by kde-gtk-config')
 
 
 class _Xfce(PluginCommandline):

yin_yang/plugins/konsole.py

@@ -74,6 +74,7 @@ def set_mode(self, dark: bool) -> bool:
             logger.debug(f'Changing profile in konsole session {proc_id}')
             set_profile(f'org.kde.konsole-{proc_id}', profile)
 
+        set_profile('org.kde.konsole', profile) # konsole may don't have session dbus like above
         set_profile('org.kde.yakuake', profile)
 
         process_ids = [
@@ -174,8 +175,11 @@ def default_profile(self, value: str):
 
                 # If a match is found, return the content of the wildcard '*'
                 if match:
+                    logger.debug(f'Changing default profile to {value}')
                     lines[i] = f'DefaultProfile={value}\n'
                     break
+                else:
+                    logger.debug('No default profile found')
         with self.config_path.open('w') as file:
             file.writelines(lines)
 
@@ -238,9 +242,16 @@ def set_profile(service: str, profile: str):
     try:
         sessions = subprocess.check_output(f'qdbus {service} | grep "Sessions/"', shell=True)
     except subprocess.CalledProcessError:
-        # happens when dolphins konsole is not opened
-        logger.debug(f'No Konsole sessions available in service {service}, skipping')
-        return
+        try:
+            sessions = subprocess.check_output(
+                f'qdbus org.kde.konsole | grep "Sessions/"', shell=True
+            )
+            logger.debug(f'Found org.kde.konsole, use that instead')
+            service = "org.kde.konsole"
+        except subprocess.CalledProcessError:
+            # happens when dolphins konsole is not opened
+            logger.debug(f'No Konsole sessions available in service {service}, skipping')
+            return
     sessions = sessions.decode('utf-8').removesuffix('\n').split('\n')
 
     # loop: process sessions