steal tile all windows

config.py

@@ -4,6 +4,7 @@ from libqtile.lazy import lazy
 import autostart
 import my_layouts
 import my_widgets
+import my_functions
 
 
 mod = "mod4"
@@ -63,6 +64,7 @@ keys = [
     Key([mod], "Tab", lazy.next_layout(), desc="Toggle between layouts"),
     Key([mod], "f", lazy.window.toggle_fullscreen()),
     Key([mod], "t", lazy.window.toggle_floating()),
+    Key([mod, "shift"], "t", my_functions.set_all_float_windows_to_non_floating_mode()),
     Key([mod], "w", lazy.window.kill(), desc="Kill focused window"),
     Key([mod, "control"], "r", lazy.reload_config(), desc="Reload the config"),
     Key([mod, "control"], "q", lazy.shutdown(), desc="Shutdown Qtile"),

my_functions.py

@@ -0,0 +1,8 @@
+from libqtile.lazy import lazy
+
+
+@lazy.function
+def set_all_float_windows_to_non_floating_mode(qtile):
+    for window in qtile.current_group.windows:
+        if window.floating:
+            window.cmd_disable_floating()