38 lines
1.5 KiB
Python
38 lines
1.5 KiB
Python
|
#!/usr/bin/python3
|
||
|
|
|
||
|
|
# This script sets the display scale factor to 2, for use on 4K displays where everything is too small without scaling.
|
||
|
|
|
||
|
|
import dbus
|
||
|
|
|
||
|
|
new_scale = 2.0
|
||
|
|
|
||
|
|
# https://gitlab.gnome.org/GNOME/mutter/-/blob/main/data/dbus-interfaces/org.gnome.Mutter.DisplayConfig.xml
|
||
|
|
bus_name = "org.gnome.Mutter.DisplayConfig"
|
||
|
|
object_path = "/org/gnome/Mutter/DisplayConfig"
|
||
|
|
|
||
|
|
session_bus = dbus.SessionBus()
|
||
|
|
display_config_object = session_bus.get_object(bus_name, object_path)
|
||
|
|
display_config_intf = dbus.Interface(display_config_object, dbus_interface=bus_name)
|
||
|
|
|
||
|
|
serial, physical_monitors, logical_monitors, properties = display_config_intf.GetCurrentState()
|
||
|
|
|
||
|
|
current_mode_id = {}
|
||
|
|
for ((connector, _, _, _), modes, monitor_properties) in physical_monitors:
|
||
|
|
for (mode_id, width, height, rate, preferred_scale, supported_scales, mode_properties) in modes:
|
||
|
|
if mode_properties.get("is-current", False):
|
||
|
|
current_mode_id[connector] = mode_id
|
||
|
|
|
||
|
|
scaled_logical_monitors = [
|
||
|
|
(layout_x, layout_y, new_scale, transform, primary, [
|
||
|
|
(connector, current_mode_id[connector], {}) for (connector, _, _, _) in monitors
|
||
|
|
])
|
||
|
|
for (layout_x, layout_y, scale, transform, primary, monitors, monitor_properties) in logical_monitors
|
||
|
|
]
|
||
|
|
|
||
|
|
apply_properties = {}
|
||
|
|
if "layout-mode" in properties and properties.get("supports-changing-layout-mode", False):
|
||
|
|
apply_properties["layout-mode"] = properties["layout-mode"]
|
||
|
|
|
||
|
|
method = 1 # temporary
|
||
|
|
display_config_intf.ApplyMonitorsConfig(serial, method, scaled_logical_monitors, apply_properties)
|