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d990e3f027
This signal is emitted upon an internal error, signalling clients to resync their values. Related to #316.
316 lines
8.3 KiB
Markdown
316 lines
8.3 KiB
Markdown
The ratbagd DBus-Interface
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--------------------------
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Note: **the DBus interface is subject to change**
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Interfaces:
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- org.freedesktop.ratbag1.Manager
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- org.freedesktop.ratbag1.Device
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- org.freedesktop.ratbag1.Profile
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- org.freedesktop.ratbag1.Resolution
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- org.freedesktop.ratbag1.Button
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- org.freedesktop.ratbag1.Led
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For a list of dbus types as used below, see https://dbus.freedesktop.org/doc/dbus-specification.html
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Properties marked as 'constant' do not change for the lifetime of the
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object. Properties marked as 'mutable' may change, and a
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`org.freedesktop.DBus.Properties.PropertyChanged` signal is sent for those
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unless otherwise specified.
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All setters (whether implicit for read-write properties or explicit) return
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success instead of the internal return value because DBus does not like
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non-standard error values. Upon a ratbag error, the `Resync` signal is emitted
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on the device, indicating that clients should resync their values.
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org.freedesktop.ratbag1.Manager
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===============================
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The **org.freedesktop.ratbag1.Manager** interface is the entry point to
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interact with ratbagd.
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### Properties:
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#### `Devices`
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- type `ao`, read-only, mutable
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Provides the object paths of all current devices, see **org.freedesktop.ratbag1.Device**
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#### `Themes`
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- type `as`, read-only, constant
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Provides the list of available theme names. This list is guaranteed to have
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one theme available ('default'). Other themes are implementation defined.
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A theme listed here is only a guarantee that the theme is known to libratbag
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and that SVGs *may* exist, it is not a guarantee that the SVG for any
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specific device exists. In other words, a device may not have an SVG for a
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specific theme.
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This list is static for the lifetime of ratbagd.
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org.freedesktop.ratbag1.Device
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==============================
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The **org.freedesktop.ratbag1.Device** interface describes a single device
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known to ratbagd.
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### Properties:
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#### `Id`
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- type: `s`, read-only, constant
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An ID describing this device. This ID should not be used for presentation to
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the user.
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#### `Description`
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- type: `s`, read-only, constant
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The device's name, suitable for presentation to the user.
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#### `Capabilities`
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- type: `au`, read-only, constant
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The capabilities supported by this device. see `enum
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ratbag_device_capability` in libratbag.h for the list of permissible
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capabilities.
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#### `Svg`
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- type: `s`, read-only, constant
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The device's SVG file name, without path.
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#### `Profiles`
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- type: `ao`, read-only, mutable
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This property is mutable if the device supports adding and removing
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profiles.
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Provides the list of profile paths for all profiles on this device, see
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**org.freedesktop.ratbag1.Profile**.
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### Methods:
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#### `Commit() → ()`
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Commits the changes to the device. Changes to the device are batched; they
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are not written to the hardware until `Commit()` is invoked.
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#### `GetSvg(s) → (s)`
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Returns the full path to the SVG for the given theme or an empty string if
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none is available. The theme must be one of
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**org.freedesktop.ratbag1.Manager.Themes**. The theme 'default' is
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guaranteed to be available. ratbagd may return the path to a file that
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doesn't exist. This is the case if the device has SVGs available but not for
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the given theme.
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### Signals:
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#### `Resync()`
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Emitted when an internal error occurs. Upon receiving this signal, clients are
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expected to resync their values with ratbagd.
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org.freedesktop.ratbag1.Profile
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===============================
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### Properties:
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#### `Index`
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- type: `u`, read-only, constant
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The index of this profile
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#### `Name`
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- type: `s`, read-write, mutable
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The name of this profile.
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#### `Enabled`
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- type: `b`, read-write, mutable
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True if this is the profile is enabled, false otherwise.
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Note that a disabled profile might not have correct bindings, so it's
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a good thing to rebind everything before calling `Commit()` on the
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**org.freedesktop.ratbag1.Device**.
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#### `Resolutions`
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- type: `ao`, read-only, mutable
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This property is mutable if the device supports adding and removing
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resolutions.
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Provides the object paths of all resolutions in this profile, see
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**org.freedesktop.ratbag1.Resolution**
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#### `Buttons`
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- type: `ao`, read-only, constant
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Provides the object paths of all buttons in this profile, see
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**org.freedesktop.ratbag1.Button**
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#### `Leds`
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- type: `ao`, read-only, constant
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Provides the object paths of all LEDs in this profile, see
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**org.freedesktop.ratbag1.Led**
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### `IsActive`
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- type: `b`, read-only, mutable
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True if this is the currently active profile, false otherwise.
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Profiles can only be set to active, but never to not active - at least one
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profile must be active at all times. This property is read-only, use the
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`SetActive()` method to activate a profile.
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### Methods:
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#### `SetActive() → ()`
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Set this profile to be the active profile
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org.freedesktop.ratbag1.Resolution
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==================================
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### Properties:
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#### `Index`
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- type: `u`, read-only, constant
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Index of the resolution
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#### `Capabilities`
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- type: `au`, read-only, constant
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Array of uints with the capabilities enum from libratbag
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#### `IsActive`
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- type: `b`, read-only, mutable
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True if this is the currently active resolution, false otherwise.
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Resolutions can only be set to active, but never to not active - at least
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one resoultion must be active at all times. This property is read-only, use the
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`SetActive()` method to set a resolution as the active resolution.
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#### `IsDefault`
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- type: `b`, read-only, mutable
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True if this is the currently default resolution, false otherwise. If the
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device does not have the default resolution capability, this property is
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always false.
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Resolutions can only be set to default, but never to not default - at least
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one resolution must be default at all times. This property is read-only, use the
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`SetDefault()` method to set a resolution as the default resolution.
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#### `Resolution`
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- type: `uu`, read-write, mutable
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uint for the x and y resolution assigned to this entry, respectively
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#### `ReportRate`
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- type: `u`, read-write, mutable
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uint for the report rate in Hz assigned to this entry
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#### `Maximum`
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- type: `u`, read-only, constant
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uint for the maximum possible resolution
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#### `Minimum`
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- type: `u`, read-only, constant
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uint for the minimum possible resolution
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### Methods:
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#### `SetDefault() → () `
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Set this resolution to be the default
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#### `SetActive() → () `
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Set this resolution to be the active one
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org.freedesktop.ratbag1.Button
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==============================
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### Properties:
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#### `Index`
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- type: `u`, read-only, constant
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Index of the button
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#### `Type`
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- type: `u`, read-only, constant
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Enum describing the button physical type. This type is unrelated to the
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logical button mapping and serves to easily identify the button on the
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device.
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#### `ButtonMapping`
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- type: `u`, read-write, mutable
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uint of the current button mapping (if mapping to button)
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#### `SpecialMapping`
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- type: `u`, read-write, mutable
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Enum describing the current special mapping (if mapped to special)
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#### `Macro`
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-type: `a(uu)`, read-write, mutable
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Array of (type, keycode), where type may be one of
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`RATBAG_MACRO_EVENT_KEY_PRESSED` or `RATBAG_MACRO_EVENT_KEY_RELEASED`.
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#### `ActionType`
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- type: `u`, read-only, mutable
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An enum describing the action type of the button, see
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ratbag\_button\_get\_action\_type for the list of enums.
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This decides which *Mapping* property has a value.
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#### `ActionTypes`
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- type: `au`, read-only, constant
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Array of enum ratbag\_button\_action\_type, possible values for ActionType
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on the current device
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### Methods:
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#### `Disable() → ()`
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Disable this button
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org.freedesktop.ratbag1.Led
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===========================
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### Properties:
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#### `Index`
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- type: `u`, read-only, constant
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Index of the LED
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#### `Mode`
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- type: `u`, read-write, mutable
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uint mapping to the mode enum from libratbag
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#### `Type`
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- type: `u`, read-only, mutable
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enum describing the LED type
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#### `Color`
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- type: `(uuu)`, read-write, mutable
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uint triplet (RGB) of the LED's color
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#### `EffectRate`
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- type: `u`, read-write, mutable
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The effect rate in Hz, possible values are in the range 100 - 20000
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#### `Brightness`
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- type: `u`, read-write, mutable
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The brightness of the LED, possible values are in the range 0 - 255
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For easier debugging, objects paths are constructed from the device. e.g.
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`/org/freedesktop/ratbag/button/event5/p0/b10` is the button interface for
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button 10 on profile 0 on event5. The naming is subject to change. Do not
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rely on a constructed object path in your application.
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