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wayland: Implement RaiseWindow with xdg-activation

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This commit is contained in:
Ethan Lee 2021-06-02 11:41:44 -04:00 committed by Sam Lantinga
parent f498c281e1
commit 151f953815
5 changed files with 252 additions and 0 deletions
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7
src/video/wayland/SDL_waylandvideo.c
View File

@ -51,6 +51,7 @@
#include "xdg-decoration-unstable-v1-client-protocol.h"
#include "keyboard-shortcuts-inhibit-unstable-v1-client-protocol.h"
#include "idle-inhibit-unstable-v1-client-protocol.h"
#include "xdg-activation-v1-client-protocol.h"
#define WAYLANDVID_DRIVER_NAME "wayland"
@ -199,6 +200,7 @@ Wayland_CreateDevice(int devindex)
device->CreateSDLWindow = Wayland_CreateWindow;
device->ShowWindow = Wayland_ShowWindow;
device->HideWindow = Wayland_HideWindow;
device->RaiseWindow = Wayland_RaiseWindow;
device->SetWindowFullscreen = Wayland_SetWindowFullscreen;
device->MaximizeWindow = Wayland_MaximizeWindow;
device->MinimizeWindow = Wayland_MinimizeWindow;
@ -463,6 +465,8 @@ display_handle_global(void *data, struct wl_registry *registry, uint32_t id,
d->key_inhibitor_manager = wl_registry_bind(d->registry, id, &zwp_keyboard_shortcuts_inhibit_manager_v1_interface, 1);
} else if (strcmp(interface, "zwp_idle_inhibit_manager_v1") == 0) {
d->idle_inhibit_manager = wl_registry_bind(d->registry, id, &zwp_idle_inhibit_manager_v1_interface, 1);
} else if (strcmp(interface, "xdg_activation_v1") == 0) {
d->activation_manager = wl_registry_bind(d->registry, id, &xdg_activation_v1_interface, 1);
} else if (strcmp(interface, "wl_data_device_manager") == 0) {
Wayland_add_data_device_manager(d, id, version);
} else if (strcmp(interface, "zxdg_decoration_manager_v1") == 0) {
@ -583,6 +587,9 @@ Wayland_VideoQuit(_THIS)
Wayland_display_destroy_pointer_constraints(data);
Wayland_display_destroy_relative_pointer_manager(data);
if (data->activation_manager)
xdg_activation_v1_destroy(data->activation_manager);
if (data->idle_inhibit_manager)
zwp_idle_inhibit_manager_v1_destroy(data->idle_inhibit_manager);

1
src/video/wayland/SDL_waylandvideo.h
View File

@ -69,6 +69,7 @@ typedef struct {
struct zxdg_decoration_manager_v1 *decoration_manager;
struct zwp_keyboard_shortcuts_inhibit_manager_v1 *key_inhibitor_manager;
struct zwp_idle_inhibit_manager_v1 *idle_inhibit_manager;
struct xdg_activation_v1 *activation_manager;
EGLDisplay edpy;
EGLContext context;

56
src/video/wayland/SDL_waylandwindow.c
View File

@ -37,6 +37,7 @@
#include "xdg-shell-unstable-v6-client-protocol.h"
#include "xdg-decoration-unstable-v1-client-protocol.h"
#include "idle-inhibit-unstable-v1-client-protocol.h"
#include "xdg-activation-v1-client-protocol.h"
static float get_window_scale_factor(SDL_Window *window) {
return ((SDL_WindowData*)window->driverdata)->scale_factor;
@ -812,6 +813,57 @@ void Wayland_HideWindow(_THIS, SDL_Window *window)
}
}
static void
handle_xdg_activation_done(void *data,
struct xdg_activation_token_v1 *xdg_activation_token_v1,
const char *token)
{
SDL_WindowData *window = data;
if (xdg_activation_token_v1 == window->activation_token) {
xdg_activation_v1_activate(window->waylandData->activation_manager,
token,
window->surface);
xdg_activation_token_v1_destroy(window->activation_token);
window->activation_token = NULL;
}
}
static const struct xdg_activation_token_v1_listener activation_listener_xdg = {
handle_xdg_activation_done
};
void Wayland_RaiseWindow(_THIS, SDL_Window *window)
{
SDL_VideoData *data = _this->driverdata;
SDL_WindowData *wind = window->driverdata;
if (data->activation_manager) {
if (wind->activation_token != NULL) {
/* We're about to overwrite this with a new request */
xdg_activation_token_v1_destroy(wind->activation_token);
}
wind->activation_token = xdg_activation_v1_get_activation_token(data->activation_manager);
xdg_activation_token_v1_add_listener(wind->activation_token,
&activation_listener_xdg,
wind);
/* Note that we are not setting the app_id or serial here.
*
* Hypothetically we could set the app_id from data->classname, but
* that part of the API is for _external_ programs, not ourselves.
*
* As for a serial, this Raise event is arbitrary and doesn't come from
* an event, so it's actually very likely that this token will be
* ignored! TODO: Maybe add support for Raise via serial?
*
* -flibit
*/
xdg_activation_token_v1_set_surface(wind->activation_token, wind->surface);
xdg_activation_token_v1_commit(wind->activation_token);
}
}
#ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
static void SDLCALL
QtExtendedSurface_OnHintChanged(void *userdata, const char *name,
@ -1277,6 +1329,10 @@ void Wayland_DestroyWindow(_THIS, SDL_Window *window)
zwp_idle_inhibitor_v1_destroy(wind->idle_inhibitor);
}
if (wind->activation_token) {
xdg_activation_token_v1_destroy(wind->activation_token);
}
SDL_free(wind->outputs);
if (wind->frame_callback) {

2
src/video/wayland/SDL_waylandwindow.h
View File

@ -67,6 +67,7 @@ typedef struct {
struct zxdg_toplevel_decoration_v1 *server_decoration;
struct zwp_keyboard_shortcuts_inhibitor_v1 *key_inhibitor;
struct zwp_idle_inhibitor_v1 *idle_inhibitor;
struct xdg_activation_token_v1 *activation_token;
SDL_atomic_t swap_interval_ready;
@ -89,6 +90,7 @@ typedef struct {
extern void Wayland_ShowWindow(_THIS, SDL_Window *window);
extern void Wayland_HideWindow(_THIS, SDL_Window *window);
extern void Wayland_RaiseWindow(_THIS, SDL_Window *window);
extern void Wayland_SetWindowFullscreen(_THIS, SDL_Window * window,
SDL_VideoDisplay * _display,
SDL_bool fullscreen);

186
wayland-protocols/xdg-activation-v1.xml Normal file
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@ -0,0 +1,186 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="xdg_activation_v1">
<copyright>
Copyright © 2020 Aleix Pol Gonzalez &lt;aleixpol@kde.org&gt;
Copyright © 2020 Carlos Garnacho &lt;carlosg@gnome.org&gt;
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice (including the next
paragraph) shall be included in all copies or substantial portions of the
Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
</copyright>
<description summary="Protocol for requesting activation of surfaces">
The way for a client to pass focus to another toplevel is as follows.
The client that intends to activate another toplevel uses the
xdg_activation_v1.get_activation_token request to get an activation token.
This token is then passed to the client to be activated through a separate
band of communication. The client to be activated will then pass the token
it received to the xdg_activation_v1.activate request. The compositor can
then use this token to decide how to react to the activation request.
The token the activating client gets may be ineffective either already at
the time it receives it, for example if it was not focused, for focus
stealing prevention. The activating client will have no way to discover
the validity of the token, and may still forward it to the to be activated
client.
The created activation token may optionally get information attached to it
that can be used by the compositor to identify the application that we
intend to activate. This can for example be used to display a visual hint
about what application is being started.
Warning! The protocol described in this file is currently in the testing
phase. Backward compatible changes may be added together with the
corresponding interface version bump. Backward incompatible changes can
only be done by creating a new major version of the extension.
</description>
<interface name="xdg_activation_v1" version="1">
<description summary="interface for activating surfaces">
A global interface used for informing the compositor about applications
being activated or started, or for applications to request to be
activated.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the xdg_activation object">
Notify the compositor that the xdg_activation object will no longer be
used.
The child objects created via this interface are unaffected and should
be destroyed separately.
</description>
</request>
<request name="get_activation_token">
<description summary="requests a token">
Creates an xdg_activation_token_v1 object that will provide
the initiating client with a unique token for this activation. This
token should be offered to the clients to be activated.
</description>
<arg name="id" type="new_id" interface="xdg_activation_token_v1"/>
</request>
<request name="activate">
<description summary="notify new interaction being available">
Requests surface activation. It's up to the compositor to display
this information as desired, for example by placing the surface above
the rest.
The compositor may know who requested this by checking the activation
token and might decide not to follow through with the activation if it's
considered unwanted.
Compositors can ignore unknown presentation tokens when an invalid
token is passed.
</description>
<arg name="token" type="string" summary="the activation token of the initiating client"/>
<arg name="surface" type="object" interface="wl_surface"
summary="the wl_surface to activate"/>
</request>
</interface>
<interface name="xdg_activation_token_v1" version="1">
<description summary="an exported activation handle">
An object for setting up a token and receiving a token handle that can
be passed as an activation token to another client.
The object is created using the xdg_activation_v1.get_activation_token
request. This object should then be populated with the app_id, surface
and serial information and committed. The compositor shall then issue a
done event with the token. In case the request's parameters are invalid,
the compositor will provide an invalid token.
</description>
<enum name="error">
<entry name="already_used" value="0"
summary="The token has already been used previously"/>
</enum>
<request name="set_serial">
<description summary="specifies the seat and serial of the activating event">
Provides information about the seat and serial event that requested the
token.
Must be sent before commit. This information is optional.
</description>
<arg name="serial" type="uint"
summary="the serial of the event that triggered the activation"/>
<arg name="seat" type="object" interface="wl_seat"
summary="the wl_seat of the event"/>
</request>
<request name="set_app_id">
<description summary="specifies the application being activated">
The requesting client can specify an app_id to associate the token
being created with it.
Must be sent before commit. This information is optional.
</description>
<arg name="app_id" type="string"
summary="the application id of the client being activated."/>
</request>
<request name="set_surface">
<description summary="specifies the application being activated">
The requesting client can specify a surface to associate the token
being created with it.
Must be triggered before commit. This information is optional.
</description>
<arg name="surface" type="object" interface="wl_surface"
summary="the requesting surface"/>
</request>
<request name="commit">
<description summary="issues the token request">
Requests an activation token based on the different parameters that
have been offered through set_serial, set_surface and set_app_id.
</description>
</request>
<event name="done">
<description summary="the exported activation token">
The 'done' event contains the unique token of this activation request
and notifies that the provider is done.
Applications will typically receive the token through the
XDG_ACTIVATION_TOKEN environment variable as set by its launcher, and
should unset the environment variable right after this request, in
order to avoid propagating it to child processes.
Applications implementing the D-Bus interface org.freedesktop.Application
should get their token under XDG_ACTIVATION_TOKEN on their platform_data.
Presentation tokens may be transferred across clients through means not
described in this protocol.
</description>
<arg name="token" type="string" summary="the exported activation token"/>
</event>
<request name="destroy" type="destructor">
<description summary="destroy the xdg_activation_token_v1 object">
Notify the compositor that the xdg_activation_token_v1 object will no
longer be used.
</description>
</request>
</interface>
</protocol>