class Gdk::Device

• Gdk::Device
• GObject::Object
• Reference
• Object

Overview

The Gdk::Device object represents an input device, such as a keyboard, a mouse, or a touchpad.

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

Defined in:

Constructors

• .new

  Initialize a new Device.

• .new(*, caps_lock_state : Bool | Nil = nil, direction : Pango::Direction | Nil = nil, display : Gdk::Display | Nil = nil, has_bidi_layouts : Bool | Nil = nil, has_cursor : Bool | Nil = nil, modifier_state : Gdk::ModifierType | Nil = nil, n_axes : UInt32 | Nil = nil, name : String | Nil = nil, num_lock_state : Bool | Nil = nil, num_touches : UInt32 | Nil = nil, product_id : String | Nil = nil, scroll_lock_state : Bool | Nil = nil, seat : Gdk::Seat | Nil = nil, source : Gdk::InputSource | Nil = nil, tool : Gdk::DeviceTool | Nil = nil, vendor_id : String | Nil = nil)

Class Method Summary

• .g_type : UInt64

  Returns the type id (GType) registered in GLib type system.

Instance Method Summary

• #==(other : self)

  Returns true if this reference is the same as other.

• #caps_lock_state : Bool

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

• #caps_lock_state? : Bool
• #changed_signal
• #device_tool : Gdk::DeviceTool | Nil

  Retrieves the current tool for device.

• #direction : Pango::Direction

  Returns the direction of effective layout of the keyboard.

• #display : Gdk::Display

  Returns the Gdk::Display to which device pertains.

• #display=(value : Gdk::Display | Nil) : Gdk::Display | Nil
• #has_bidi_layouts : Bool

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

• #has_bidi_layouts? : Bool
• #has_cursor : Bool

  Determines whether the pointer follows device motion.

• #has_cursor=(value : Bool) : Bool
• #has_cursor? : Bool
• #hash(hasher)

  See Object#hash(hasher)

• #modifier_state : Gdk::ModifierType

  Retrieves the current modifier state of the keyboard.

• #n_axes : UInt32
• #name : String

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

• #name=(value : String) : String
• #name=(value : Nil) : Nil

  Set #name property to nil.

• #name? : String | Nil

  Same as #name, but can return nil.

• #num_lock_state : Bool

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

• #num_lock_state? : Bool
• #num_touches : UInt32

  Retrieves the number of touch points associated to device.

• #num_touches=(value : UInt32) : UInt32
• #product_id : String | Nil

  Returns the product ID of this device.

• #product_id=(value : String) : String
• #product_id=(value : Nil) : Nil

  Set #product_id property to nil.

• #product_id? : String | Nil

  Same as #product_id, but can return nil.

• #scroll_lock_state : Bool

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

• #scroll_lock_state? : Bool
• #seat : Gdk::Seat

  Returns the Gdk::Seat the device belongs to.

• #seat=(value : Gdk::Seat | Nil) : Gdk::Seat | Nil
• #source : Gdk::InputSource

  Determines the type of the device.

• #source=(value : Gdk::InputSource) : Gdk::InputSource
• #surface_at_position : Gdk::Surface | Nil

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

• #timestamp : UInt32

  Returns the timestamp of the last activity for this device.

• #tool : Gdk::DeviceTool | Nil
• #tool_changed_signal
• #vendor_id : String | Nil

  Returns the vendor ID of this device.

• #vendor_id=(value : String) : String
• #vendor_id=(value : Nil) : Nil

  Set #vendor_id property to nil.

• #vendor_id? : String | Nil

  Same as #vendor_id, but can return nil.

Constructor Detail

Class Method Detail

Instance Method Detail

 static GSettings *
 get_device_settings (Gdk::Device *device)
 {
   const char *vendor, *product;
   GSettings *settings;
   Gdk::Device *device;
   char *path;

   vendor = gdk_device_get_vendor_id (device);
   product = gdk_device_get_product_id (device);

   path = g_strdup_printf ("/org/example/app/devices/%s:%s/", vendor, product);
   settings = g_settings_new_with_path (DEVICE_SCHEMA, path);
   g_free (path);

   return settings;
 }