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#!/usr/bin/python3
import gi
gi.require_version('Gdk', '3.0')
from gi.repository import Gdk
import sys
import os
import syslog
HIDPI_LIMIT = 192
def get_window_scale():
window_scale = 1
try:
display = Gdk.Display.get_default()
monitor = display.get_primary_monitor()
rect = monitor.get_geometry()
width_mm = monitor.get_width_mm()
height_mm = monitor.get_height_mm()
monitor_scale = monitor.get_scale_factor()
# Return 1 if the screen size isn't available (some TVs report their aspect ratio instead ... 16/9 or 16/10)
if ((width_mm == 160 and height_mm == 90) \
or (width_mm == 160 and height_mm == 100) \
or (width_mm == 16 and height_mm == 9) \
or (width_mm == 16 and height_mm == 10)):
return 1
if rect.height * monitor_scale < 1500:
return 1
if width_mm > 0 and height_mm > 0:
witdh_inch = width_mm / 25.4
height_inch = height_mm / 25.4
dpi_x = rect.width * monitor_scale / witdh_inch
dpi_y = rect.height * monitor_scale / height_inch
if dpi_x > HIDPI_LIMIT and dpi_y > HIDPI_LIMIT:
window_scale = 2
except Exception as detail:
syslog.syslog("Error while detecting hidpi mode: %s" % detail)
return window_scale
if __name__ == '__main__':
window_scale = get_window_scale();
syslog.syslog("Window scale: %d" % window_scale)
print (window_scale)
sys.exit(0)
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