Display

---

Object Hierarchy:

Description:

Content:

Properties:

• public bool composited { get; }
  true if the display properly composites the alpha channel.
• public DmabufFormats dmabuf_formats { get; }
  The dma-buf formats that are supported on this display
• public bool input_shapes { get; }
  true if the display supports input shapes.
• public bool rgba { get; }
  true if the display supports an alpha channel.
• public bool shadow_width { get; }
  true if the display supports extensible frames.

Static methods:

• public static unowned Display? get_default ()
  Gets the default `GdkDisplay`.
• public static unowned Display? open (string? display_name)
  Opens a display.

Creation methods:

• protected Display ()

Methods:

• public void beep ()
  Emits a short beep on this
• public void close ()
  Closes the connection to the windowing system for the given display.
• public GLContext create_gl_context () throws Error
  Creates a new `GdkGLContext` for the `GdkDisplay`.
• public bool device_is_grabbed (Device device)
  Returns true if there is an ongoing grab on device for this.
• public void flush ()
  Flushes any requests queued for the windowing system.
• public AppLaunchContext get_app_launch_context ()
  Returns a `GdkAppLaunchContext` suitable for launching applications on the given display.
• public unowned Clipboard get_clipboard ()
  Gets the clipboard used for copy/paste operations.
• public unowned Seat? get_default_seat ()
  Returns the default `GdkSeat` for this display.
• public unowned DmabufFormats get_dmabuf_formats ()
  Returns the dma-buf formats that are supported on this display.
• public unowned Monitor? get_monitor_at_surface (Surface surface)
  Gets the monitor in which the largest area of surface resides.
• public unowned ListModel get_monitors ()
  Gets the list of monitors associated with this display.
• public unowned string get_name ()
  Gets the name of the display.
• public unowned Clipboard get_primary_clipboard ()
  Gets the clipboard used for the primary selection.
• public bool get_setting (string name, Value value)
  Retrieves a desktop-wide setting such as double-click time for the this.
• public unowned string? get_startup_notification_id ()
  Gets the startup notification ID for a Wayland display, or null if no ID has been defined.
• public bool is_closed ()
  Finds out if the display has been closed.
• public bool is_composited ()
  Returns whether surfaces can reasonably be expected to have their alpha channel drawn correctly on the screen.
• public bool is_rgba ()
  Returns whether surfaces on this this are created with an alpha channel.
• public List<unowned Seat> list_seats ()
  Returns the list of seats known to this.
• public bool map_keycode (uint keycode, out KeymapKey[] keys, out uint[] keyvals)
  Returns the keyvals bound to keycode.
• public bool map_keyval (uint keyval, out KeymapKey[] keys)
  Obtains a list of keycode/group/level combinations that will generate keyval.
• public void notify_startup_complete (string startup_id)
  Indicates to the GUI environment that the application has finished loading, using a given identifier.
• public bool prepare_gl () throws Error
  Checks that OpenGL is available for this and ensures that it is properly initialized.
• public void put_event (Event event)
  Adds the given event to the event queue for this .
• public bool supports_input_shapes ()
  Returns true if the display supports input shapes.
• public bool supports_shadow_width ()
  Returns whether it's possible for a surface to draw outside of the window area.
• public void sync ()
  Flushes any requests queued for the windowing system and waits until all requests have been handled.
• public bool translate_key (uint keycode, ModifierType state, int group, out uint keyval, out int effective_group, out int level, out ModifierType consumed)
  Translates the contents of a `GdkEventKey` into a keyval, effective group, and level.

Signals:

• public signal void closed (bool is_error)
  Emitted when the connection to the windowing system for display is closed.
• public signal void opened ()
  Emitted when the connection to the windowing system for display is opened.
• public signal void seat_added (Seat seat)
  Emitted whenever a new seat is made known to the windowing system.
• public signal void seat_removed (Seat seat)
  Emitted whenever a seat is removed by the windowing system.
• public signal void setting_changed (string setting)
  Emitted whenever a setting changes its value.

Inherited Members: