Enum wayland_client::protocol::wl_output::Event

pub enum Event {
    Geometry {
        x: i32,
        y: i32,
        physical_width: i32,
        physical_height: i32,
        subpixel: Subpixel,
        make: String,
        model: String,
        transform: Transform,
    },
    Mode {
        flags: Mode,
        width: i32,
        height: i32,
        refresh: i32,
    },
    Done,
    Scale {
        factor: i32,
    },
}

Variants

Geometry

properties of the output

The geometry event describes geometric properties of the output. The event is sent when binding to the output object and whenever any of the properties change.

Fields of Geometry

x: i32
y: i32
physical_width: i32
physical_height: i32
subpixel: Subpixel
make: String
model: String
transform: Transform

Mode

advertise available modes for the output

The mode event describes an available mode for the output.

The event is sent when binding to the output object and there will always be one mode, the current mode. The event is sent again if an output changes mode, for the mode that is now current. In other words, the current mode is always the last mode that was received with the current flag set.

The size of a mode is given in physical hardware units of the output device. This is not necessarily the same as the output size in the global compositor space. For instance, the output may be scaled, as described in wl_output.scale, or transformed, as described in wl_output.transform.

Fields of Mode

flags: Mode
width: i32
height: i32
refresh: i32

Done

sent all information about output

This event is sent after all other properties have been sent after binding to the output object and after any other property changes done after that. This allows changes to the output properties to be seen as atomic, even if they happen via multiple events.

Only available since version 2 of the interface

Scale

output scaling properties

This event contains scaling geometry information that is not in the geometry event. It may be sent after binding the output object or if the output scale changes later. If it is not sent, the client should assume a scale of 1.

A scale larger than 1 means that the compositor will automatically scale surface buffers by this amount when rendering. This is used for very high resolution displays where applications rendering at the native resolution would be too small to be legible.

It is intended that scaling aware clients track the current output of a surface, and if it is on a scaled output it should use wl_surface.set_buffer_scale with the scale of the output. That way the compositor can avoid scaling the surface, and the client can supply a higher detail image.

Only available since version 2 of the interface

Fields of Scale

factor: i32

Trait Implementations

impl MessageGroup for Event

fn is_destructor(&self) -> bool

Whether this message is a destructor

unsafe fn from_raw_c(
    obj: *mut c_void,
    opcode: u32,
    args: *const wl_argument
) -> Result<Event, ()>

Construct a message of this group from its C representation

fn as_raw_c_in<F, T>(self, f: F) -> T where
    F: FnOnce(u32, &mut [wl_argument]) -> T, 

Build a C representation of this message