Class

GdkDevice

Description [src]

abstract class Gdk.Device : GObject.Object
{
  /* No available fields */
}

The GdkDevice object represents an input device, such as a keyboard, a mouse, or a touchpad.

See the GdkSeat documentation for more information about the various kinds of devices, and their relationships.

Hierarchy

Ancestors

GObject

Instance methods

gdk_device_get_active_layout_index

Retrieves the index of the active layout of the keyboard.

unstable since: 4.18

gdk_device_get_caps_lock_state

Retrieves whether the Caps Lock modifier of the keyboard is locked.

gdk_device_get_device_tool

Retrieves the current tool for device.

gdk_device_get_direction

Returns the direction of effective layout of the keyboard.

gdk_device_get_display

Returns the GdkDisplay to which device pertains.

gdk_device_get_has_cursor

Determines whether the pointer follows device motion.

gdk_device_get_layout_names

Retrieves the names of the layouts of the keyboard.

unstable since: 4.18

gdk_device_get_modifier_state

Retrieves the current modifier state of the keyboard.

gdk_device_get_name

The name of the device, suitable for showing in a user interface.

gdk_device_get_num_lock_state

Retrieves whether the Num Lock modifier of the keyboard is locked.

gdk_device_get_num_touches

Retrieves the number of touch points associated to device.

gdk_device_get_product_id

Returns the product ID of this device.

gdk_device_get_scroll_lock_state

Retrieves whether the Scroll Lock modifier of the keyboard is locked.

gdk_device_get_seat

Returns the GdkSeat the device belongs to.

gdk_device_get_source

Determines the type of the device.

gdk_device_get_surface_at_position

Obtains the surface underneath device, returning the location of the device in win_x and win_y.

gdk_device_get_timestamp

Returns the timestamp of the last activity for this device.

since: 4.2

gdk_device_get_vendor_id

Returns the vendor ID of this device.

gdk_device_has_bidi_layouts

Determines if layouts for both right-to-left and left-to-right languages are in use on the keyboard.

Methods inherited from GObject (43)

Please see GObject for a full list of methods.

Properties

Gdk.Device:active-layout-index

The index of the keyboard active layout of a GdkDevice.

unstable since: 4.18

Gdk.Device:caps-lock-state

Whether Caps Lock is on.

Gdk.Device:direction

The direction of the current layout.

Gdk.Device:display

The GdkDisplay the GdkDevice pertains to.

Gdk.Device:has-bidi-layouts

Whether the device has both right-to-left and left-to-right layouts.

Gdk.Device:has-cursor

Whether the device is represented by a cursor on the screen.

Gdk.Device:layout-names

The names of the keyboard layouts of a GdkDevice.

unstable since: 4.18

Gdk.Device:modifier-state

The current modifier state of the device.

Gdk.Device:n-axes

Number of axes in the device.

Gdk.Device:name

The device name.

Gdk.Device:num-lock-state

Whether Num Lock is on.

Gdk.Device:num-touches

The maximal number of concurrent touches on a touch device.

Gdk.Device:product-id

Product ID of this device.

Gdk.Device:scroll-lock-state

Whether Scroll Lock is on.

Gdk.Device:seat

GdkSeat of this device.

Gdk.Device:source

Source type for the device.

Gdk.Device:tool

The GdkDeviceTool that is currently used with this device.

Gdk.Device:vendor-id

Vendor ID of this device.

Signals

Gdk.Device::changed

Emitted either when the number of either axes or keys changes.

Gdk.Device::tool-changed

Emitted on pen/eraser devices whenever tools enter or leave proximity.

Signals inherited from GObject (1)

GObject::notify

The notify signal is emitted on an object when one of its properties has its value set through g_object_set_property(), g_object_set(), et al.