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wayland: ask xdg-decoration protocol extension to use server-side decorations if possible.

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This commit is contained in:
Sebastian Krzyszkowiak 2018-11-04 21:08:40 +01:00
parent 14e389eadc
commit 5f98051457
5 changed files with 178 additions and 2 deletions
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3
src/video/wayland/SDL_waylandvideo.c
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@ -47,6 +47,7 @@
#include "xdg-shell-client-protocol.h"
#include "xdg-shell-unstable-v6-client-protocol.h"
#include "xdg-decoration-unstable-v1-client-protocol.h"
#include "org-kde-kwin-server-decoration-manager-client-protocol.h"
#define WAYLANDVID_DRIVER_NAME "wayland"
@ -372,6 +373,8 @@ display_handle_global(void *data, struct wl_registry *registry, uint32_t id,
Wayland_display_add_pointer_constraints(d, id);
} else if (strcmp(interface, "wl_data_device_manager") == 0) {
d->data_device_manager = wl_registry_bind(d->registry, id, &wl_data_device_manager_interface, 3);
} else if (strcmp(interface, "zxdg_decoration_manager_v1") == 0) {
d->decoration_manager = wl_registry_bind(d->registry, id, &zxdg_decoration_manager_v1_interface, 1);
} else if (strcmp(interface, "org_kde_kwin_server_decoration_manager") == 0) {
d->kwin_server_decoration_manager = wl_registry_bind(d->registry, id, &org_kde_kwin_server_decoration_manager_interface, 1);

1
src/video/wayland/SDL_waylandvideo.h
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@ -61,6 +61,7 @@ typedef struct {
struct zwp_relative_pointer_manager_v1 *relative_pointer_manager;
struct zwp_pointer_constraints_v1 *pointer_constraints;
struct wl_data_device_manager *data_device_manager;
struct zxdg_decoration_manager_v1 *decoration_manager;
struct org_kde_kwin_server_decoration_manager *kwin_server_decoration_manager;
EGLDisplay edpy;

19
src/video/wayland/SDL_waylandwindow.c
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@ -35,6 +35,7 @@
#include "xdg-shell-client-protocol.h"
#include "xdg-shell-unstable-v6-client-protocol.h"
#include "xdg-decoration-unstable-v1-client-protocol.h"
#include "org-kde-kwin-server-decoration-manager-client-protocol.h"
/* On modern desktops, we probably will use the xdg-shell protocol instead
@ -498,7 +499,10 @@ Wayland_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered)
{
SDL_WindowData *wind = window->driverdata;
const SDL_VideoData *viddata = (const SDL_VideoData *) _this->driverdata;
if ((viddata->kwin_server_decoration_manager) && (wind->kwin_server_decoration)) {
if ((viddata->decoration_manager) && (wind->server_decoration)) {
const enum zxdg_toplevel_decoration_v1_mode mode = bordered ? ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE : ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE;
zxdg_toplevel_decoration_v1_set_mode(wind->server_decoration, mode);
} else if ((viddata->kwin_server_decoration_manager) && (wind->kwin_server_decoration)) {
const enum org_kde_kwin_server_decoration_mode mode = bordered ? ORG_KDE_KWIN_SERVER_DECORATION_MANAGER_MODE_SERVER : ORG_KDE_KWIN_SERVER_DECORATION_MANAGER_MODE_NONE;
org_kde_kwin_server_decoration_request_mode(wind->kwin_server_decoration, mode);
}
@ -617,7 +621,14 @@ int Wayland_CreateWindow(_THIS, SDL_Window *window)
}
#endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
if (c->kwin_server_decoration_manager) {
if (c->decoration_manager && c->shell.xdg && data->shell_surface.xdg.surface) {
data->server_decoration = zxdg_decoration_manager_v1_get_toplevel_decoration(c->decoration_manager, data->shell_surface.xdg.roleobj.toplevel);
if (data->server_decoration) {
const SDL_bool bordered = (window->flags & SDL_WINDOW_BORDERLESS) == 0;
const enum zxdg_toplevel_decoration_v1_mode mode = bordered ? ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE : ZXDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE;
zxdg_toplevel_decoration_v1_set_mode(data->server_decoration, mode);
}
} else if (c->kwin_server_decoration_manager) {
data->kwin_server_decoration = org_kde_kwin_server_decoration_manager_create(c->kwin_server_decoration_manager, data->surface);
if (data->kwin_server_decoration) {
const SDL_bool bordered = (window->flags & SDL_WINDOW_BORDERLESS) == 0;
@ -700,6 +711,10 @@ void Wayland_DestroyWindow(_THIS, SDL_Window *window)
SDL_EGL_DestroySurface(_this, wind->egl_surface);
WAYLAND_wl_egl_window_destroy(wind->egl_window);
if (wind->server_decoration) {
zxdg_toplevel_decoration_v1_destroy(wind->server_decoration);
}
if (wind->kwin_server_decoration) {
org_kde_kwin_server_decoration_release(wind->kwin_server_decoration);
}

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

@ -62,6 +62,7 @@ typedef struct {
struct SDL_WaylandInput *keyboard_device;
EGLSurface egl_surface;
struct zwp_locked_pointer_v1 *locked_pointer;
struct zxdg_toplevel_decoration_v1 *server_decoration;
struct org_kde_kwin_server_decoration *kwin_server_decoration;
#ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH

156
wayland-protocols/xdg-decoration-unstable-v1.xml Normal file
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@ -0,0 +1,156 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="xdg_decoration_unstable_v1">
<copyright>
Copyright © 2018 Simon Ser
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>
<interface name="zxdg_decoration_manager_v1" version="1">
<description summary="window decoration manager">
This interface allows a compositor to announce support for server-side
decorations.
A window decoration is a set of window controls as deemed appropriate by
the party managing them, such as user interface components used to move,
resize and change a window's state.
A client can use this protocol to request being decorated by a supporting
compositor.
If compositor and client do not negotiate the use of a server-side
decoration using this protocol, clients continue to self-decorate as they
see fit.
Warning! The protocol described in this file is experimental and
backward incompatible changes may be made. Backward compatible changes
may be added together with the corresponding interface version bump.
Backward incompatible changes are done by bumping the version number in
the protocol and interface names and resetting the interface version.
Once the protocol is to be declared stable, the 'z' prefix and the
version number in the protocol and interface names are removed and the
interface version number is reset.
</description>
<request name="destroy" type="destructor">
<description summary="destroy the decoration manager object">
Destroy the decoration manager. This doesn't destroy objects created
with the manager.
</description>
</request>
<request name="get_toplevel_decoration">
<description summary="create a new toplevel decoration object">
Create a new decoration object associated with the given toplevel.
Creating an xdg_toplevel_decoration from an xdg_toplevel which has a
buffer attached or committed is a client error, and any attempts by a
client to attach or manipulate a buffer prior to the first
xdg_toplevel_decoration.configure event must also be treated as
errors.
</description>
<arg name="id" type="new_id" interface="zxdg_toplevel_decoration_v1"/>
<arg name="toplevel" type="object" interface="xdg_toplevel"/>
</request>
</interface>
<interface name="zxdg_toplevel_decoration_v1" version="1">
<description summary="decoration object for a toplevel surface">
The decoration object allows the compositor to toggle server-side window
decorations for a toplevel surface. The client can request to switch to
another mode.
The xdg_toplevel_decoration object must be destroyed before its
xdg_toplevel.
</description>
<enum name="error">
<entry name="unconfigured_buffer" value="0"
summary="xdg_toplevel has a buffer attached before configure"/>
<entry name="already_constructed" value="1"
summary="xdg_toplevel already has a decoration object"/>
<entry name="orphaned" value="2"
summary="xdg_toplevel destroyed before the decoration object"/>
</enum>
<request name="destroy" type="destructor">
<description summary="destroy the decoration object">
Switch back to a mode without any server-side decorations at the next
commit.
</description>
</request>
<enum name="mode">
<description summary="window decoration modes">
These values describe window decoration modes.
</description>
<entry name="client_side" value="1"
summary="no server-side window decoration"/>
<entry name="server_side" value="2"
summary="server-side window decoration"/>
</enum>
<request name="set_mode">
<description summary="set the decoration mode">
Set the toplevel surface decoration mode. This informs the compositor
that the client prefers the provided decoration mode.
After requesting a decoration mode, the compositor will respond by
emitting a xdg_surface.configure event. The client should then update
its content, drawing it without decorations if the received mode is
server-side decorations. The client must also acknowledge the configure
when committing the new content (see xdg_surface.ack_configure).
The compositor can decide not to use the client's mode and enforce a
different mode instead.
Clients whose decoration mode depend on the xdg_toplevel state may send
a set_mode request in response to a xdg_surface.configure event and wait
for the next xdg_surface.configure event to prevent unwanted state.
Such clients are responsible for preventing configure loops and must
make sure not to send multiple successive set_mode requests with the
same decoration mode.
</description>
<arg name="mode" type="uint" enum="mode" summary="the decoration mode"/>
</request>
<request name="unset_mode">
<description summary="unset the decoration mode">
Unset the toplevel surface decoration mode. This informs the compositor
that the client doesn't prefer a particular decoration mode.
This request has the same semantics as set_mode.
</description>
</request>
<event name="configure">
<description summary="suggest a surface change">
The configure event asks the client to change its decoration mode. The
configured state should not be applied immediately. Clients must send an
ack_configure in response to this event. See xdg_surface.configure and
xdg_surface.ack_configure for details.
A configure event can be sent at any time. The specified mode must be
obeyed by the client.
</description>
<arg name="mode" type="uint" enum="mode" summary="the decoration mode"/>
</event>
</interface>
</protocol>