chore: simplify process checking logic

dzgui/init/proc.py

@@ -3,29 +3,40 @@ import subprocess
 import shutil
 import sys
 
-from dzgui.const.constants import DAYZ_BINARY, STEAM_CMD
+from dzgui.const.constants import (
+    DAYZ_BINARY,
+    STEAM_CMD,
+    FLATPAK_APPID,
+    FLATPAK_RUN_CMD,
+    FLATPAK_SANDBOX,
+)
 from dzgui.views.dialogs.early_alert import EarlyAlertDialog
 from dzgui.util.strings import init
 
 # TODO: move to util.proc
+def is_dayz_running() -> bool:
+    return is_running(DAYZ_BINARY)
 
 
-# TODO: simplify
+def is_steam_running(cmd: str) -> bool:
-def is_dayz_running(dialog: bool = False) -> bool | None:
+    if cmd == STEAM_CMD:
-    if dialog is False:
+        if has_cmd(STEAM_CMD) is False:
-        return is_running(DAYZ_BINARY)
+            return False
-    if is_running(DAYZ_BINARY) is True:
-        EarlyAlertDialog(init.is_dayz_running)
-        sys.exit(1)
-
-
-def is_steam_running(dialog: bool = False) -> bool | None:
-    # TODO: check proc name of flatpak steam
-    if dialog is False:
         return is_running(STEAM_CMD)
-    if is_running(STEAM_CMD) is False:
+    elif cmd == FLATPAK_RUN_CMD or FLATPAK_SANDBOX:
-        EarlyAlertDialog(init.is_steam_running)
+        return is_flatpak_steam_running()
-        sys.exit(1)
+    else:
+        raise TypeError("Not a valid Steam client selection")
+
+
+def is_flatpak_steam_running() -> bool:
+    if has_cmd(FLATPAK_CMD) is False:
+        return False
+    proc = subprocess.check_output([FLATPAK_CMD, "ps"], capture_output=True, text=True)
+    lines = proc.stdout.splitlines()
+    if FLATPAK_APPID in lines:
+        return True
+    return False
 
 
 def is_running(proc: str) -> bool:
@@ -43,8 +54,10 @@ def has_cmd(cmd: str) -> bool:
 
 def foreground(cmd: str, pid: int) -> None:
     if cmd == "wmctrl":
-        proc = subprocess.run(["wmctrl", "-ilp"], capture_output=True, text=True)
+        proc = subprocess.check_output(
-        lines = proc.stdout.splitlines()
+            ["wmctrl", "-ilp"], capture_output=True, text=True
+        )
+        lines = proc.splitlines()
         for line in lines:
             els = line.split(" ")
             if str(pid) in els:
@@ -52,5 +65,11 @@ def foreground(cmd: str, pid: int) -> None:
                 break
         subprocess.run(["wmctrl", "-ia", wid])
     elif cmd == "xdotool":
-        args = [cmd, "search", "--onlyvisible", "--name", "DZGUI", "windowactivate"]
+        args = [cmd, "search", "--pid", str(pid)]
-        subprocess.Popen([*args])
+        proc = subprocess.check_output([*args], stderr=subprocess.DEVNULL)
+        lines = proc.splitlines()
+        ## NOTE: some forked subprocesses may fail, so skip over them
+        for line in lines:
+            subprocess.run(
+                ["xdotool", "windowactivate", line], stderr=subprocess.DEVNULL
+            )

dzgui/main.py

@@ -122,6 +122,8 @@ def main() -> None:
     if allow is True:
         check_updates(version)
 
+    # TODO: config wizard: check has_steam_client() prior to VDF exploration
+
     if _is_steam_deck is False:
         # TODO: sudo escalation dialog
         count = get_map_count()
@@ -129,10 +131,6 @@ def main() -> None:
         if has_steam_client() is False:
             EarlyAlertDialog(init.requires_steam)
 
-    is_dayz_installed(XDG.config)
-    is_dayz_running(dialog=True)
-    is_steam_running(dialog=True)
-
     # NOTE: clear versions file of unlinked mods
     rebuild_symlinks(XDG.config)
     remove_stale_signatures(XDG.config, XDG.version)