automated screen detection

qtile/.config/qtile/Screens.py

@@ -1,10 +1,38 @@
+import subprocess
+import re
+import numpy as np
+
 from libqtile.config import Screen
 
-from Bars import top_bar, left_bar, main_bar,laptop_bar
+from Bars import top_bar, left_bar, main_bar,laptop_bar, secondary_bar
+from defines import main_screen_res, top_screen_res
 
 screens = [
     # Screen(bottom=top_bar),
     # Screen(top=left_bar),
     # Screen(top=main_bar),
-    Screen(top=laptop_bar)
-]
+    # Screen(top=laptop_bar)
+]
+
+
+cmd = ['xrandr']
+p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+resolution_string, junk = p.communicate()
+p.stdout.close()
+screen_resolutions = [np.array(screen_res.split('x')).astype(np.int) for screen_res in re.findall('[0-9]+x[0-9]+(?=[^\\\\n]*\*)',str(resolution_string))]
+number_of_screens = len(screen_resolutions)
+max_width = max(screen_resolutions, key=lambda res: res[0])[0]
+defined_main_window = False
+for width, height in screen_resolutions:
+    if width == main_screen_res[0] and height == main_screen_res[1]:
+        screens.append(Screen(top=main_bar))
+        defined_main_window = True
+    elif width == top_screen_res[0] and height == top_screen_res[1]:
+        screens.append(Screen(bottom=top_bar))
+    elif width < height:
+        screens.append(Screen(top=left_bar))
+    elif width == max_width and not defined_main_window:
+        screens.append(Screen(top=laptop_bar))
+        defined_main_window = True
+    else:
+        screens.append(Screen(top=secondary_bar))