1 <?xml version="1.0" encoding="UTF-8"?>
2 <protocol name="wayland">
5 Copyright © 2008-2011 Kristian Høgsberg
6 Copyright © 2010-2011 Intel Corporation
8 Permission to use, copy, modify, distribute, and sell this
9 software and its documentation for any purpose is hereby granted
10 without fee, provided that the above copyright notice appear in
11 all copies and that both that copyright notice and this permission
12 notice appear in supporting documentation, and that the name of
13 the copyright holders not be used in advertising or publicity
14 pertaining to distribution of the software without specific,
15 written prior permission. The copyright holders make no
16 representations about the suitability of this software for any
17 purpose. It is provided "as is" without express or implied
20 THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
21 SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
22 FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
23 SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
24 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
25 AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
26 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
30 <interface name="wl_display" version="1">
31 <description summary="core global object">
32 The core global object. This is a special singleton object. It
33 is used for internal wayland protocol features.
36 <description summary="bind an object to the display">
37 Binds a new, client-created object to the server using @name as
40 <arg name="name" type="uint" summary="unique number id for object"/>
41 <arg name="interface" type="string"/>
42 <arg name="version" type="uint"/>
43 <arg name="id" type="new_id" interface="wl_object"/>
47 <description summary="asynchronous roundtrip">
48 The sync request asks the server to invoke the 'done' request
49 on the provided wl_callback object. Since requests are
50 handled in-order, this can be used as a barrier to ensure all
51 previous requests have been handled.
53 <arg name="callback" type="new_id" interface="wl_callback"/>
57 <description summary="fatal error event">
58 The error event is sent out when a fatal (non-recoverable)
61 <arg name="object_id" type="object" interface="wl_object"/>
62 <arg name="code" type="uint"/>
63 <arg name="message" type="string"/>
67 <description summary="global error values">
68 These errors are global and can be emitted in response to any
71 <entry name="invalid_object" value="0"
72 summary="server couldn't find object"/>
73 <entry name="invalid_method" value="1"
74 summary="method doesn't exist on the specified interface"/>
75 <entry name="no_memory" value="2"
76 summary="server is out of memory"/>
80 <description summary="announce global object">
81 Notify the client of global objects. These are objects that
82 are created by the server. Globals are published on the
83 initial client connection sequence, upon device hotplugs,
84 device disconnects, reconfiguration or other events. A client
85 can 'bind' to a global object by using the bind request. This
86 creates a client side handle that lets the object emit events
87 to the client and lets the client invoke requests on the
90 <arg name="name" type="uint"/>
91 <arg name="interface" type="string"/>
92 <arg name="version" type="uint"/>
95 <event name="global_remove">
96 <description summary="announce removal of global object">
97 Notify the client of removed global objects.
99 <arg name="name" type="uint"/>
102 <event name="delete_id">
103 <description summary="acknowledge object id deletion">
104 Server has deleted the id and client can now reuse it.
106 <arg name="id" type="uint" />
110 <interface name="wl_callback" version="1">
112 <arg name="serial" type="uint"/>
116 <interface name="wl_compositor" version="1">
117 <description summary="the compositor singleton">
118 A compositor. This object is a singleton global. The
119 compositor is in charge of combining the contents of multiple
120 surfaces into one displayable output.
123 <request name="create_surface">
124 <description summary="create new surface">
125 Ask the compositor to create a new surface.
127 <arg name="id" type="new_id" interface="wl_surface"/>
130 <request name="create_region">
131 <description summary="create new region">
132 Ask the compositor to create a new region.
134 <arg name="id" type="new_id" interface="wl_region"/>
138 <interface name="wl_shm_pool" version="1">
139 <description summary="a shared memory pool">
140 The wl_shm_pool object encapsulates a piece of memory shared
141 between the compsitor and client. Through the wl_shm_pool
142 object, the client can allocate shared memory wl_buffer objects.
143 The objects will share the same underlying mapped memory.
144 Reusing the mapped memory avoids the setup/teardown overhead and
145 is useful when interactively resizing a surface or for many
149 <request name="create_buffer">
150 <description summary="create wl_buffer from pool">
151 Create a wl_buffer from the pool. The buffer is created a
152 offset bytes into the pool and has width and height as
153 specified. The stride arguments specifies the number of bytes
154 from beginning of one row to the beginning of the next. The
155 format is the pixel format of the buffer and must be one of
156 those advertised through the wl_shm.format event.
158 A buffer will keep a reference to the pool it was created from
159 so it is valid to destroy the pool immediatedly after creating
163 <arg name="id" type="new_id" interface="wl_buffer"/>
164 <arg name="offset" type="int"/>
165 <arg name="width" type="int"/>
166 <arg name="height" type="int"/>
167 <arg name="stride" type="int"/>
168 <arg name="format" type="uint"/>
171 <request name="destroy" type="destructor">
172 <description summary="destroy the pool">
178 <interface name="wl_shm" version="1">
179 <description summary="shared memory support">
180 Support for shared memory buffers.
184 <entry name="invalid_format" value="0"/>
185 <entry name="invalid_stride" value="1"/>
186 <entry name="invalid_fd" value="2"/>
190 <entry name="argb8888" value="0"/>
191 <entry name="xrgb8888" value="1"/>
194 <request name="create_pool">
195 <description summary="create a shm pool">
196 This creates wl_shm_pool object, which can be used to create
197 shared memory based wl_buffer objects. The server will mmap
198 size bytes of the passed fd, to use as backing memory for then
202 <arg name="id" type="new_id" interface="wl_shm_pool"/>
203 <arg name="fd" type="fd"/>
204 <arg name="size" type="int"/>
207 <event name="format">
208 <arg name="format" type="uint"/>
212 <interface name="wl_buffer" version="1">
213 <description summary="content for a wl_surface">
214 A buffer provides the content for a wl_surface. Buffers are
215 created through factory interfaces such as wl_drm, wl_shm or
216 similar. It has a width and a height and can be attached to a
217 wl_surface, but the mechanism by which a client provides and
218 updates the contents is defined by the buffer factory interface
221 <request name="destroy" type="destructor">
222 <description summary="destroy a buffer">
223 Destroy a buffer. This will invalidate the object id.
227 <event name="release">
228 <description summary="compositor releases buffer">
229 Sent when an attached buffer is no longer used by the compositor.
235 <interface name="wl_data_offer" version="1">
236 <request name="accept">
237 <description summary="accept one of the offered mime-types">
238 Indicate that the client can accept the given mime-type, or
239 NULL for not accepted. Use for feedback during drag and drop.
242 <arg name="serial" type="uint"/>
243 <arg name="type" type="string"/>
246 <request name="receive">
247 <arg name="mime_type" type="string"/>
248 <arg name="fd" type="fd"/>
251 <request name="destroy" type="destructor"/>
254 <description summary="advertise offered mime-type">
255 Sent immediately after creating the wl_data_offer object. One
256 event per offered mime type.
259 <arg name="type" type="string"/>
263 <interface name="wl_data_source" version="1">
264 <request name="offer">
265 <description summary="add an offered mime type">
266 This request adds a mime-type to the set of mime-types
267 advertised to targets. Can be called several times to offer
270 <arg name="type" type="string"/>
273 <request name="destroy" type="destructor">
274 <description summary="destroy the data source">
275 Destroy the data source.
279 <event name="target">
280 <description summary="a target accepts an offered mime-type">
281 Sent when a target accepts pointer_focus or motion events. If
282 a target does not accept any of the offered types, type is NULL.
285 <arg name="mime_type" type="string"/>
289 <description summary="send the data">
290 Request for data from another client. Send the data as the
291 specified mime-type over the passed fd, then close the fd.
294 <arg name="mime_type" type="string"/>
295 <arg name="fd" type="fd"/>
298 <event name="cancelled">
299 <description summary="selection was cancelled">
300 Another selection became active.
306 <interface name="wl_data_device" version="1">
307 <request name="start_drag">
308 <description summary="start drag and drop operation">
309 This request asks the compositor to start a drag and drop
310 operation on behalf of the client. The source argument is the
311 data source that provides the data for the eventual data
312 transfer. The origin surface is the surface where the drag
313 originates and the client must have an active implicit grab
314 that matches the serial. The icon surface is an optional
315 (can be nil) surface that provides an icon to be moved around
316 with the cursor. Initially, the top-left corner of the icon
317 surface is placed at the cursor hotspot, but subsequent
318 surface.attach request can move the relative position.
320 <arg name="source" type="object" interface="wl_data_source"/>
321 <arg name="origin" type="object" interface="wl_surface"/>
322 <arg name="icon" type="object" interface="wl_surface"/>
323 <arg name="serial" type="uint"/>
326 <request name="set_selection">
327 <arg name="source" type="object" interface="wl_data_source"/>
328 <arg name="serial" type="uint"/>
331 <event name="data_offer">
332 <description summary="introduce a new wl_data_offer">
333 The data_offer event introduces a new wl_data_offer object,
334 which will subsequently be used in either the
335 data_device.enter event (for drag and drop) or the
336 data_device.selection event (for selections). Immediately
337 following the data_device_data_offer event, the new data_offer
338 object will send out data_offer.offer events to describe the
339 mime-types it offers.
342 <arg name="id" type="new_id" interface="wl_data_offer"/>
346 <arg name="serial" type="uint"/>
347 <arg name="surface" type="object" interface="wl_surface"/>
348 <arg name="x" type="fixed"/>
349 <arg name="y" type="fixed"/>
350 <arg name="id" type="object" interface="wl_data_offer"/>
353 <event name="leave"/>
355 <event name="motion">
356 <arg name="time" type="uint"/>
357 <arg name="x" type="fixed"/>
358 <arg name="y" type="fixed"/>
363 <event name="selection">
364 <description summary="advertise new selection">
365 The selection event is sent out to notify the client of a new
366 wl_data_offer for the selection for this device. The
367 data_device.data_offer and the data_offer.offer events are
368 sent out immediately before this event to introduce the data
369 offer object. The selection event is sent to a client
370 immediately before receiving keyboard focus and when a new
371 selection is set while the client has keyboard focus. The
372 data_offer is valid until a new data_offer or NULL is received
373 or until the client loses keyboard focus.
375 <arg name="id" type="object" interface="wl_data_offer"/>
379 <interface name="wl_data_device_manager" version="1">
380 <request name="create_data_source">
381 <arg name="id" type="new_id" interface="wl_data_source"/>
384 <request name="get_data_device">
385 <arg name="id" type="new_id" interface="wl_data_device"/>
386 <arg name="seat" type="object" interface="wl_seat"/>
390 <interface name="wl_shell" version="1">
391 <request name="get_shell_surface">
392 <arg name="id" type="new_id" interface="wl_shell_surface"/>
393 <arg name="surface" type="object" interface="wl_surface"/>
397 <interface name="wl_shell_surface" version="1">
399 <description summary="desktop style meta data interface">
400 An interface implemented by a wl_surface. On server side the
401 object is automatically destroyed when the related wl_surface is
402 destroyed. On client side, wl_shell_surface_destroy() must be
403 called before destroying the wl_surface object.
406 <request name="pong">
407 <description summary="respond to a ping event">
408 A client must respond to a ping event with a pong request or
409 the client may be deemed unresponsive.
411 <arg name="serial" type="uint"/>
414 <request name="move">
415 <arg name="seat" type="object" interface="wl_seat"/>
416 <arg name="serial" type="uint"/>
420 <entry name="none" value="0"/>
421 <entry name="top" value="1"/>
422 <entry name="bottom" value="2"/>
423 <entry name="left" value="4"/>
424 <entry name="top_left" value="5"/>
425 <entry name="bottom_left" value="6"/>
426 <entry name="right" value="8"/>
427 <entry name="top_right" value="9"/>
428 <entry name="bottom_right" value="10"/>
431 <request name="resize">
432 <arg name="seat" type="object" interface="wl_seat"/>
433 <arg name="serial" type="uint"/>
434 <arg name="edges" type="uint"/>
437 <request name="set_toplevel">
438 <description summary="make the surface a top level surface">
439 Make the surface a toplevel window.
443 <enum name="transient">
444 <entry name="inactive" value="0x1" summary="do not set keyboard focus"/>
447 <request name="set_transient">
448 <description summary="make the surface a transient surface">
449 Map the surface relative to an existing surface. The x and y
450 arguments specify the locations of the upper left corner of
451 the surface relative to the upper left corner of the parent
452 surface. The flags argument controls overflow/clipping
453 behaviour when the surface would intersect a screen edge,
454 panel or such. And possibly whether the offset only
455 determines the initial position or if the surface is locked to
456 that relative position during moves.
459 <arg name="parent" type="object" interface="wl_shell_surface"/>
460 <arg name="x" type="int"/>
461 <arg name="y" type="int"/>
462 <arg name="flags" type="uint"/>
465 <request name="set_fullscreen">
466 <description summary="make the surface a fullscreen surface">
467 Map the surface as a fullscreen surface. If an output parameter is
468 given then the surface will be made fullscreen on that output. If the
469 client does not specify the output then the compositor will apply its
470 policy - usually choosing the output on which the surface has the
471 biggest surface area.
473 The client may specify a method to resolve a size conflict between the
474 output size and the surface size - this is provided through the
475 fullscreen_method parameter.
477 The framerate parameter is used only when the fullscreen_method is set
478 to "driver", to indicate the preferred framerate. framerate=0 indicates
479 that the app does not care about framerate. The framerate is
480 specified in mHz, that is framerate of 60000 is 60Hz.
482 The compositor must reply to this request with a configure event with
483 the dimensions for the output on which the surface will be made fullscreen.
485 <arg name="method" type="uint"/>
486 <arg name="framerate" type="uint"/>
487 <arg name="output" type="object" interface="wl_output"/>
490 <enum name="fullscreen_method">
491 <description summary="different method to set the surface fullscreen">
492 Hints to indicate compositor how to deal with a conflict between the
493 dimensions for the surface and the dimensions of the output. As a hint
494 the compositor is free to ignore this parameter.
496 "default" The client has no preference on fullscreen behavior,
497 policies are determined by compositor.
499 "scale" The client prefers scaling by the compositor. Scaling would
500 always preserve surface's aspect ratio with surface centered on the
503 "driver" The client wants to switch video mode to the smallest mode
504 that can fit the client buffer. If the sizes do not match the
505 compositor must add black borders.
507 "fill" The surface is centered on the output on the screen with no
508 scaling. If the surface is of insufficient size the compositor must
511 <entry name="default" value="0"/>
512 <entry name="scale" value="1"/>
513 <entry name="driver" value="2"/>
514 <entry name="fill" value="3"/>
517 <request name="set_popup">
518 <description summary="make the surface a popup surface">
519 Popup surfaces. Will switch an implicit grab into
520 owner-events mode, and grab will continue after the implicit
521 grab ends (button released). Once the implicit grab is over,
522 the popup grab continues until the window is destroyed or a
523 mouse button is pressed in any other clients window. A click
524 in any of the clients surfaces is reported as normal, however,
525 clicks in other clients surfaces will be discarded and trigger
528 TODO: Grab keyboard too, maybe just terminate on any click
529 inside or outside the surface?
532 <arg name="seat" type="object" interface="wl_seat"/>
533 <arg name="serial" type="uint"/>
534 <arg name="parent" type="object" interface="wl_shell_surface"/>
535 <arg name="x" type="int"/>
536 <arg name="y" type="int"/>
537 <arg name="flags" type="uint"/>
540 <request name="set_maximized">
541 <description summary="make the surface a maximized surface">
542 A request from the client to notify the compositor the maximized
543 operation. The compositor will reply with a configure event telling
544 the expected new surface size. The operation is completed on the
545 next buffer attach to this surface.
546 A maximized client will fill the fullscreen of the output it is bound
547 to, except the panel area. This is the main difference between
548 a maximized shell surface and a fullscreen shell surface.
550 <arg name="output" type="object" interface="wl_output"/>
553 <request name="set_title">
554 <description summary="set surface title">
556 <arg name="title" type="string"/>
559 <request name="set_class">
560 <description summary="set surface class">
561 The surface class identifies the general class of applications
562 to which the surface belongs. The class is the file name of
563 the applications .desktop file (absolute path if non-standard
566 <arg name="class_" type="string"/>
570 <description summary="ping client">
571 Ping a client to check if it is receiving events and sending
572 requests. A client is expected to reply with a pong request.
574 <arg name="serial" type="uint"/>
577 <event name="configure">
578 <description summary="suggest resize">
579 The configure event asks the client to resize its surface.
580 The size is a hint, in the sense that the client is free to
581 ignore it if it doesn't resize, pick a smaller size (to
582 satisfy aspect ration or resize in steps of NxM pixels). The
583 client is free to dismiss all but the last configure event it
587 <arg name="edges" type="uint"/>
588 <arg name="width" type="int"/>
589 <arg name="height" type="int"/>
592 <event name="popup_done">
593 <description summary="popup interaction is done">
594 The popup_done event is sent out when a popup grab is broken,
595 that is, when the users clicks a surface that doesn't belong
596 to the client owning the popup surface.
601 <interface name="wl_surface" version="1">
602 <description summary="an onscreen surface">
603 A surface. This is an image that is displayed on the screen.
604 It has a location, size and pixel contents.
607 <request name="destroy" type="destructor">
608 <description summary="delete surface">
609 Deletes the surface and invalidates its object id.
613 <request name="attach">
614 <description summary="set the surface contents">
615 Copy the contents of a buffer into this surface. The x and y
616 arguments specify the location of the new buffers upper left
617 corner, relative to the old buffers upper left corner.
620 <arg name="buffer" type="object" interface="wl_buffer"/>
621 <arg name="x" type="int"/>
622 <arg name="y" type="int"/>
625 <request name="damage">
626 <description summary="mark part of the surface damaged">
627 After attaching a new buffer, this request is used to describe
628 the regions where the new buffer is different from the
629 previous buffer and needs to be repainted. Coordinates are
630 relative to the new buffer.
633 <arg name="x" type="int"/>
634 <arg name="y" type="int"/>
635 <arg name="width" type="int"/>
636 <arg name="height" type="int"/>
639 <request name="frame">
640 <description summary="request repaint feedback">
641 Request notification when the next frame is displayed. Useful
642 for throttling redrawing operations, and driving animations.
643 The notification will only be posted for one frame unless
647 <arg name="callback" type="new_id" interface="wl_callback"/>
650 <request name="set_opaque_region">
651 <description summary="set opaque region">
652 This requests sets the region of the surface that contain
653 opaque content. The opaque region is an optimization hint for
654 the compositor that lets it optimize out redrawing of content
655 behind opaque regions. Setting an opaque region is not
656 required for correct behaviour, but marking transparent
657 content as opaque will result in repaint artifacts.
659 The region will be clipped to the extents of the current
660 surface size. Setting the region has copy semantics, and the
661 region object can be destroyed immediately after setting the
662 opaque region. If a buffer of a different size is attached or
663 if a nil region is set, the opaque region will revert back to
664 default. The default opaque region is empty.
667 <arg name="region" type="object" interface="wl_region"/>
670 <request name="set_input_region">
671 <description summary="set input region">
672 This requests sets the region of the surface that can receive
673 pointer and touch events. The region will be clipped to the
674 extents of the current surface size. Setting the region has
675 copy semantics, and the region object can be destroyed
676 immediately after setting the input region. If a buffer of a
677 different size is attached or if a nil region is passed, the
678 input region will revert back to default. The default input
679 region is the entire surface.
682 <arg name="region" type="object" interface="wl_region"/>
686 <description summary="surface enters an output">
687 This is emitted whenever a surface's creation, movement, or resizing
688 results in some part of it being within the scanout region of an
691 <arg name="output" type="object" interface="wl_output"/>
695 <description summary="surface leaves an output">
696 This is emitted whenever a surface's creation, movement, or resizing
697 results in it no longer having any part of it within the scanout region
700 <arg name="output" type="object" interface="wl_output"/>
704 <interface name="wl_seat" version="1">
705 <description summary="seat">
706 A group of keyboards, pointer (mice, for example) and touch
707 devices . This object is published as a global during start up,
708 or when such a device is hot plugged. A seat typically has a
709 pointer and maintains a keyboard_focus and a pointer_focus.
712 <enum name="capability">
713 <description summary="seat capability bitmask">
714 This is a bitmask of capabilities this seat has; if a member is
715 set, then it is present on the seat.
717 <entry name="pointer" value="1" summary="wl_pointer"/>
718 <entry name="keyboard" value="2" summary="wl_keyboard"/>
719 <entry name="touch" value="4" summary="wl_touch"/>
723 <event name="capabilities">
724 <description summary="seat capabilities changed">
725 This is emitted whenever a seat gains or loses the pointer,
726 keyboard or touch capabilities. The argument is a wl_seat_caps_mask
727 enum containing the complete set of capabilities this seat has.
729 <arg name="capabilities" type="uint"/>
732 <request name="get_pointer">
733 <description summary="return pointer object">
734 The ID provided will be initialized to the wl_pointer interface
737 <arg name="id" type="new_id" interface="wl_pointer"/>
740 <request name="get_keyboard">
741 <description summary="return pointer object">
742 The ID provided will be initialized to the wl_keyboard interface
745 <arg name="id" type="new_id" interface="wl_keyboard"/>
748 <request name="get_touch">
749 <description summary="return pointer object">
750 The ID provided will be initialized to the wl_touch interface
753 <arg name="id" type="new_id" interface="wl_touch"/>
757 <interface name="wl_pointer" version="1">
758 <request name="attach">
759 <description summary="set the pointer image">
760 Set the pointer's image. This request only takes effect if
761 the pointer focus for this device is one of the requesting
765 <arg name="serial" type="uint"/>
766 <arg name="buffer" type="object" interface="wl_buffer"/>
767 <arg name="hotspot_x" type="int"/>
768 <arg name="hotspot_y" type="int"/>
772 <description summary="enter event">
773 Notification that this seat's pointer is focused on a certain
774 surface. When an seat's focus enters a surface, the pointer image
775 is undefined and a client should respond to this event by setting
776 an appropriate pointer image.
779 <arg name="serial" type="uint"/>
780 <arg name="surface" type="object" interface="wl_surface"/>
781 <arg name="surface_x" type="fixed"/>
782 <arg name="surface_y" type="fixed"/>
786 <description summary="leave event">
788 <arg name="serial" type="uint"/>
789 <arg name="surface" type="object" interface="wl_surface"/>
792 <event name="motion">
793 <description summary="pointer motion event">
794 Notification of pointer location change. The arguments surface_[xy]
795 are the location relative to the focused surface.
798 <arg name="time" type="uint"/>
799 <arg name="surface_x" type="fixed"/>
800 <arg name="surface_y" type="fixed"/>
803 <event name="button">
804 <description summary="pointer button event">
805 Mouse button click and release notifications. The location
806 of the click is given by the last motion or pointer_focus event.
809 <arg name="serial" type="uint"/>
810 <arg name="time" type="uint"/>
811 <arg name="button" type="uint"/>
812 <arg name="state" type="uint"/>
816 <description summary="axis types"/>
817 <entry name="vertical_scroll" value="0"/>
818 <entry name="horizontal_scroll" value="1"/>
822 <description summary="axis event">
823 Scroll and other axis notifications.
826 <arg name="time" type="uint"/>
827 <arg name="axis" type="uint"/>
828 <arg name="value" type="int"/>
832 <interface name="wl_keyboard" version="1">
833 <description summary="keyboard input device">
837 <arg name="serial" type="uint"/>
838 <arg name="surface" type="object" interface="wl_surface"/>
839 <arg name="keys" type="array"/>
843 <arg name="serial" type="uint"/>
844 <arg name="surface" type="object" interface="wl_surface"/>
848 <description summary="key event">
849 A key was pressed or released.
852 <arg name="serial" type="uint"/>
853 <arg name="time" type="uint"/>
854 <arg name="key" type="uint"/>
855 <arg name="state" type="uint"/>
859 <interface name="wl_touch" version="1">
860 <description summary="touch screen input device">
864 <arg name="serial" type="uint"/>
865 <arg name="time" type="uint"/>
866 <arg name="surface" type="object" interface="wl_surface"/>
867 <arg name="id" type="int" />
868 <arg name="x" type="fixed" />
869 <arg name="y" type="fixed" />
873 <arg name="serial" type="uint"/>
874 <arg name="time" type="uint"/>
875 <arg name="id" type="int" />
878 <event name="motion">
879 <arg name="time" type="uint"/>
880 <arg name="id" type="int" />
881 <arg name="x" type="fixed" />
882 <arg name="y" type="fixed" />
886 <description summary="end of touch frame event">
887 Indicates the end of a contact point list.
891 <event name="cancel">
892 <description summary="touch session cancelled">
893 Sent if the compositor decides the touch stream is a global
894 gesture. No further events are sent to the clients from that
901 <interface name="wl_output" version="1">
902 <description summary="compositor output region">
903 An output describes part of the compositor geometry. The
904 compositor work in the 'compositor coordinate system' and an
905 output corresponds to rectangular area in that space that is
906 actually visible. This typically corresponds to a monitor that
907 displays part of the compositor space. This object is published
908 as global during start up, or when a screen is hot plugged.
911 <enum name="subpixel">
912 <entry name="unknown" value="0"/>
913 <entry name="none" value="1"/>
914 <entry name="horizontal_rgb" value="2"/>
915 <entry name="horizontal_bgr" value="3"/>
916 <entry name="vertical_rgb" value="4"/>
917 <entry name="vertical_bgr" value="5"/>
920 <event name="geometry">
921 <description summary="properties of the output"/>
922 <arg name="x" type="int"
923 summary="x position within the global compositor space"/>
924 <arg name="y" type="int"
925 summary="y position within the global compositor space"/>
926 <arg name="physical_width" type="int"
927 summary="width in milimeters of the output"/>
928 <arg name="physical_height" type="int"
929 summary="height in milimeters of the output"/>
930 <arg name="subpixel" type="int"
931 summary="subpixel orientation of the output"/>
932 <arg name="make" type="string"
933 summary="textual description of the manufacturer"/>
934 <arg name="model" type="string"
935 summary="textual description of the model"/>
939 <description summary="values for the flags bitfield in the mode event"/>
940 <entry name="current" value="0x1"
941 summary="indicates this is the current mode"/>
942 <entry name="preferred" value="0x2"
943 summary="indicates this is the preferred mode"/>
947 <description summary="advertise available modes for the output">
948 The mode event describes an available mode for the output.
949 The event is sent when binding to the output object and there
950 will always be one mode, the current mode. The event is sent
951 again if an output changes mode, for the mode that is now
952 current. In other words, the current mode is always the last
953 mode that was received with the current flag set.
955 <arg name="flags" type="uint" summary="mask of wl_output_mode flags"/>
956 <arg name="width" type="int" summary="width of the mode in pixels"/>
957 <arg name="height" type="int" summary="height of the mode in pixels"/>
958 <arg name="refresh" type="int" summary="vertical refresh rate in mHz"/>
962 <interface name="wl_region" version="1">
963 <description summary="region interface">
967 <request name="destroy" type="destructor">
968 <description summary="destroy region">
969 Destroy the region. This will invalidate the object id.
974 <description summary="add rectangle to region">
975 Add the specified rectangle to the region
978 <arg name="x" type="int"/>
979 <arg name="y" type="int"/>
980 <arg name="width" type="int"/>
981 <arg name="height" type="int"/>
984 <request name="subtract">
985 <description summary="subtract rectangle from region">
986 Subtract the specified rectangle from the region
989 <arg name="x" type="int"/>
990 <arg name="y" type="int"/>
991 <arg name="width" type="int"/>
992 <arg name="height" type="int"/>