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