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

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This commit is contained in:
Ryan C. Gordon 2018-10-29 10:14:59 -04:00
parent 8340b0f0e2
commit a5ebd4d775
5 changed files with 128 additions and 0 deletions
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6
src/video/wayland/SDL_waylandvideo.c
View file

@ -47,6 +47,7 @@
#include "xdg-shell-client-protocol.h"
#include "xdg-shell-unstable-v6-client-protocol.h"
#include "org-kde-kwin-server-decoration-manager-client-protocol.h"
#define WAYLANDVID_DRIVER_NAME "wayland"
@ -182,6 +183,7 @@ Wayland_CreateDevice(int devindex)
device->SetWindowFullscreen = Wayland_SetWindowFullscreen;
device->MaximizeWindow = Wayland_MaximizeWindow;
device->RestoreWindow = Wayland_RestoreWindow;
device->SetWindowBordered = Wayland_SetWindowBordered;
device->SetWindowSize = Wayland_SetWindowSize;
device->SetWindowTitle = Wayland_SetWindowTitle;
device->DestroyWindow = Wayland_DestroyWindow;
@ -345,6 +347,8 @@ display_handle_global(void *data, struct wl_registry *registry, uint32_t id,
{
SDL_VideoData *d = data;
/*printf("WAYLAND INTERFACE: %s\n", interface);*/
if (strcmp(interface, "wl_compositor") == 0) {
d->compositor = wl_registry_bind(d->registry, id, &wl_compositor_interface, 1);
} else if (strcmp(interface, "wl_output") == 0) {
@ -368,6 +372,8 @@ 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, "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);
#ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
} else if (strcmp(interface, "qt_touch_extension") == 0) {

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

@ -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 org_kde_kwin_server_decoration_manager *kwin_server_decoration_manager;
EGLDisplay edpy;
EGLContext context;

25
src/video/wayland/SDL_waylandwindow.c
View file

@ -35,6 +35,7 @@
#include "xdg-shell-client-protocol.h"
#include "xdg-shell-unstable-v6-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
of wl_shell, but wl_shell might be useful on older Wayland installs that
@ -459,6 +460,17 @@ Wayland_RestoreWindow(_THIS, SDL_Window * window)
WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
}
void
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)) {
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);
}
}
void
Wayland_MaximizeWindow(_THIS, SDL_Window * window)
{
@ -570,6 +582,15 @@ int Wayland_CreateWindow(_THIS, SDL_Window *window)
}
#endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
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;
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(data->kwin_server_decoration, mode);
}
}
region = wl_compositor_create_region(c->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(data->surface, region);
@ -644,6 +665,10 @@ void Wayland_DestroyWindow(_THIS, SDL_Window *window)
SDL_EGL_DestroySurface(_this, wind->egl_surface);
WAYLAND_wl_egl_window_destroy(wind->egl_window);
if (wind->kwin_server_decoration) {
org_kde_kwin_server_decoration_release(wind->kwin_server_decoration);
}
if (data->shell.xdg) {
if (wind->shell_surface.xdg.roleobj.toplevel) {
xdg_toplevel_destroy(wind->shell_surface.xdg.roleobj.toplevel);

2
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 org_kde_kwin_server_decoration *kwin_server_decoration;
#ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
struct qt_extended_surface *extended_surface;
@ -74,6 +75,7 @@ extern void Wayland_SetWindowFullscreen(_THIS, SDL_Window * window,
SDL_bool fullscreen);
extern void Wayland_MaximizeWindow(_THIS, SDL_Window * window);
extern void Wayland_RestoreWindow(_THIS, SDL_Window * window);
extern void Wayland_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered);
extern int Wayland_CreateWindow(_THIS, SDL_Window *window);
extern void Wayland_SetWindowSize(_THIS, SDL_Window * window);
extern void Wayland_SetWindowTitle(_THIS, SDL_Window * window);

94
wayland-protocols/org-kde-kwin-server-decoration-manager.xml Normal file
View file

@ -0,0 +1,94 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="server_decoration">
<copyright><![CDATA[
Copyright (C) 2015 Martin Gräßlin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
]]></copyright>
<interface name="org_kde_kwin_server_decoration_manager" version="1">
<description summary="Server side window decoration manager">
This interface allows to coordinate whether the server should create
a server-side window decoration around a wl_surface representing a
shell surface (wl_shell_surface or similar). By announcing support
for this interface the server indicates that it supports server
side decorations.
</description>
<request name="create">
<description summary="Create a server-side decoration object for a given surface">
When a client creates a server-side decoration object it indicates
that it supports the protocol. The client is supposed to tell the
server whether it wants server-side decorations or will provide
client-side decorations.
If the client does not create a server-side decoration object for
a surface the server interprets this as lack of support for this
protocol and considers it as client-side decorated. Nevertheless a
client-side decorated surface should use this protocol to indicate
to the server that it does not want a server-side deco.
</description>
<arg name="id" type="new_id" interface="org_kde_kwin_server_decoration"/>
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<enum name="mode">
<description summary="Possible values to use in request_mode and the event mode."/>
<entry name="None" value="0" summary="Undecorated: The surface is not decorated at all, neither server nor client-side. An example is a popup surface which should not be decorated."/>
<entry name="Client" value="1" summary="Client-side decoration: The decoration is part of the surface and the client."/>
<entry name="Server" value="2" summary="Server-side decoration: The server embeds the surface into a decoration frame."/>
</enum>
<event name="default_mode">
<description summary="The default mode used on the server">
This event is emitted directly after binding the interface. It contains
the default mode for the decoration. When a new server decoration object
is created this new object will be in the default mode until the first
request_mode is requested.
The server may change the default mode at any time.
</description>
<arg name="mode" type="uint" summary="The default decoration mode applied to newly created server decorations."/>
</event>
</interface>
<interface name="org_kde_kwin_server_decoration" version="1">
<request name="release" type="destructor">
<description summary="release the server decoration object"/>
</request>
<enum name="mode">
<description summary="Possible values to use in request_mode and the event mode."/>
<entry name="None" value="0" summary="Undecorated: The surface is not decorated at all, neither server nor client-side. An example is a popup surface which should not be decorated."/>
<entry name="Client" value="1" summary="Client-side decoration: The decoration is part of the surface and the client."/>
<entry name="Server" value="2" summary="Server-side decoration: The server embeds the surface into a decoration frame."/>
</enum>
<request name="request_mode">
<description summary="The decoration mode the surface wants to use."/>
<arg name="mode" type="uint" summary="The mode this surface wants to use."/>
</request>
<event name="mode">
<description summary="The new decoration mode applied by the server">
This event is emitted directly after the decoration is created and
represents the base decoration policy by the server. E.g. a server
which wants all surfaces to be client-side decorated will send Client,
a server which wants server-side decoration will send Server.
The client can request a different mode through the decoration request.
The server will acknowledge this by another event with the same mode. So
even if a server prefers server-side decoration it's possible to force a
client-side decoration.
The server may emit this event at any time. In this case the client can
again request a different mode. It's the responsibility of the server to
prevent a feedback loop.
</description>
<arg name="mode" type="uint" summary="The decoration mode applied to the surface by the server."/>
</event>
</interface>
</protocol>