This implements window attention requests via the xdg-activation-v1 protocol. This was updated by @ elmindreda to work with recent Wayland related changes to the main branch: - Switched to current way of handling Wayland protocol files - Added the xdg-activation-v1.xml protocol file to deps/wayland - Added missing macros to rename protocol interface globals The protocol file was copied from wayland-protocols 1.33. Closes #2287master
Jan Schürkamp
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committed by
Camilla Löwy
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<?xml version="1.0" encoding="UTF-8"?> |
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<protocol name="xdg_activation_v1"> |
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<copyright> |
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Copyright © 2020 Aleix Pol Gonzalez <aleixpol@kde.org> |
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Copyright © 2020 Carlos Garnacho <carlosg@gnome.org> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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|
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The above copyright notice and this permission notice (including the next |
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paragraph) shall be included in all copies or substantial portions of the |
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Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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</copyright> |
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<description summary="Protocol for requesting activation of surfaces"> |
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The way for a client to pass focus to another toplevel is as follows. |
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The client that intends to activate another toplevel uses the |
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xdg_activation_v1.get_activation_token request to get an activation token. |
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This token is then forwarded to the client, which is supposed to activate |
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one of its surfaces, through a separate band of communication. |
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|
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One established way of doing this is through the XDG_ACTIVATION_TOKEN |
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environment variable of a newly launched child process. The child process |
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should unset the environment variable again right after reading it out in |
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order to avoid propagating it to other child processes. |
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Another established way exists for Applications implementing the D-Bus |
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interface org.freedesktop.Application, which should get their token under |
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activation-token on their platform_data. |
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In general activation tokens may be transferred across clients through |
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means not described in this protocol. |
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The client to be activated will then pass the token |
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it received to the xdg_activation_v1.activate request. The compositor can |
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then use this token to decide how to react to the activation request. |
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The token the activating client gets may be ineffective either already at |
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the time it receives it, for example if it was not focused, for focus |
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stealing prevention. The activating client will have no way to discover |
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the validity of the token, and may still forward it to the to be activated |
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client. |
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The created activation token may optionally get information attached to it |
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that can be used by the compositor to identify the application that we |
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intend to activate. This can for example be used to display a visual hint |
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about what application is being started. |
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|
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Warning! The protocol described in this file is currently in the testing |
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phase. Backward compatible changes may be added together with the |
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corresponding interface version bump. Backward incompatible changes can |
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only be done by creating a new major version of the extension. |
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</description> |
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<interface name="xdg_activation_v1" version="1"> |
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<description summary="interface for activating surfaces"> |
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A global interface used for informing the compositor about applications |
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being activated or started, or for applications to request to be |
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activated. |
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</description> |
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<request name="destroy" type="destructor"> |
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<description summary="destroy the xdg_activation object"> |
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Notify the compositor that the xdg_activation object will no longer be |
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used. |
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The child objects created via this interface are unaffected and should |
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be destroyed separately. |
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</description> |
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</request> |
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<request name="get_activation_token"> |
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<description summary="requests a token"> |
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Creates an xdg_activation_token_v1 object that will provide |
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the initiating client with a unique token for this activation. This |
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token should be offered to the clients to be activated. |
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</description> |
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<arg name="id" type="new_id" interface="xdg_activation_token_v1"/> |
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</request> |
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<request name="activate"> |
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<description summary="notify new interaction being available"> |
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Requests surface activation. It's up to the compositor to display |
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this information as desired, for example by placing the surface above |
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the rest. |
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The compositor may know who requested this by checking the activation |
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token and might decide not to follow through with the activation if it's |
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considered unwanted. |
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Compositors can ignore unknown activation tokens when an invalid |
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token is passed. |
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</description> |
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<arg name="token" type="string" summary="the activation token of the initiating client"/> |
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<arg name="surface" type="object" interface="wl_surface" |
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summary="the wl_surface to activate"/> |
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</request> |
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</interface> |
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<interface name="xdg_activation_token_v1" version="1"> |
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<description summary="an exported activation handle"> |
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An object for setting up a token and receiving a token handle that can |
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be passed as an activation token to another client. |
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The object is created using the xdg_activation_v1.get_activation_token |
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request. This object should then be populated with the app_id, surface |
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and serial information and committed. The compositor shall then issue a |
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done event with the token. In case the request's parameters are invalid, |
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the compositor will provide an invalid token. |
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</description> |
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<enum name="error"> |
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<entry name="already_used" value="0" |
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summary="The token has already been used previously"/> |
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</enum> |
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<request name="set_serial"> |
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<description summary="specifies the seat and serial of the activating event"> |
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Provides information about the seat and serial event that requested the |
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token. |
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The serial can come from an input or focus event. For instance, if a |
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click triggers the launch of a third-party client, the launcher client |
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should send a set_serial request with the serial and seat from the |
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wl_pointer.button event. |
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Some compositors might refuse to activate toplevels when the token |
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doesn't have a valid and recent enough event serial. |
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Must be sent before commit. This information is optional. |
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</description> |
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<arg name="serial" type="uint" |
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summary="the serial of the event that triggered the activation"/> |
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<arg name="seat" type="object" interface="wl_seat" |
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summary="the wl_seat of the event"/> |
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</request> |
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<request name="set_app_id"> |
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<description summary="specifies the application being activated"> |
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The requesting client can specify an app_id to associate the token |
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being created with it. |
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Must be sent before commit. This information is optional. |
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</description> |
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<arg name="app_id" type="string" |
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summary="the application id of the client being activated."/> |
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</request> |
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<request name="set_surface"> |
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<description summary="specifies the surface requesting activation"> |
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This request sets the surface requesting the activation. Note, this is |
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different from the surface that will be activated. |
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Some compositors might refuse to activate toplevels when the token |
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doesn't have a requesting surface. |
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Must be sent before commit. This information is optional. |
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</description> |
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<arg name="surface" type="object" interface="wl_surface" |
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summary="the requesting surface"/> |
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</request> |
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<request name="commit"> |
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<description summary="issues the token request"> |
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Requests an activation token based on the different parameters that |
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have been offered through set_serial, set_surface and set_app_id. |
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</description> |
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</request> |
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<event name="done"> |
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<description summary="the exported activation token"> |
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The 'done' event contains the unique token of this activation request |
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and notifies that the provider is done. |
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</description> |
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<arg name="token" type="string" summary="the exported activation token"/> |
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</event> |
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<request name="destroy" type="destructor"> |
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<description summary="destroy the xdg_activation_token_v1 object"> |
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Notify the compositor that the xdg_activation_token_v1 object will no |
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longer be used. The received token stays valid. |
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</description> |
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</request> |
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</interface> |
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</protocol> |
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