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wayland: use symbolic constants for interface version

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Replace magic numbers scattered around the code with proper
macros collected in one header file.

https://bugzilla.gnome.org/show_bug.cgi?id=707851
This commit is contained in:
Giovanni Campagna 2013-09-10 13:45:27 +02:00
parent 73ee491281
commit 168ea64a45
8 changed files with 110 additions and 30 deletions
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1
src/Makefile.am
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@ -202,6 +202,7 @@ libmutter_wayland_la_SOURCES += \
wayland/meta-wayland-surface.c \
wayland/meta-wayland-surface.h \
wayland/meta-wayland-types.h \
wayland/meta-wayland-versions.h \
wayland/meta-weston-launch.c \
wayland/meta-weston-launch.h

15
src/wayland/meta-wayland-data-device.c
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@ -111,7 +111,8 @@ meta_wayland_data_source_send_offer (MetaWaylandDataSource *source,
offer->resource = wl_resource_create (wl_resource_get_client (target),
&wl_data_offer_interface,
MIN (1, wl_resource_get_version (target)), 0);
MIN (META_WL_DATA_OFFER_VERSION,
wl_resource_get_version (target)), 0);
wl_resource_set_implementation (offer->resource, &data_offer_interface,
offer, destroy_data_offer);
wl_resource_add_destroy_listener (source->resource,
@ -466,7 +467,8 @@ create_data_source (struct wl_client *client,
}
source->resource = wl_resource_create (client, &wl_data_source_interface,
MIN (1, wl_resource_get_version (resource)), id);
MIN (META_WL_DATA_SOURCE_VERSION,
wl_resource_get_version (resource)), id);
wl_resource_set_implementation (source->resource, &data_source_interface,
source, destroy_data_source);
@ -492,7 +494,8 @@ get_data_device (struct wl_client *client,
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_data_device_interface,
MIN (1, wl_resource_get_version (manager_resource)), id);
MIN (META_WL_DATA_DEVICE_VERSION,
wl_resource_get_version (manager_resource)), id);
wl_resource_set_implementation (resource, &data_device_interface, seat, unbind_data_device);
wl_list_insert (&seat->drag_resource_list, wl_resource_get_link (resource));
}
@ -508,7 +511,8 @@ bind_manager (struct wl_client *client,
{
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_data_device_manager_interface, MIN (version, 1), id);
resource = wl_resource_create (client, &wl_data_device_manager_interface,
MIN (version, META_WL_DATA_DEVICE_MANAGER_VERSION), id);
wl_resource_set_implementation (resource, &manager_interface, NULL, NULL);
}
@ -539,7 +543,8 @@ int
meta_wayland_data_device_manager_init (struct wl_display *display)
{
if (wl_global_create (display,
&wl_data_device_manager_interface, 1,
&wl_data_device_manager_interface,
META_WL_DATA_DEVICE_MANAGER_VERSION,
NULL, bind_manager) == NULL)
return -1;

1
src/wayland/meta-wayland-private.h
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@ -32,6 +32,7 @@
#include <meta/meta-cursor-tracker.h>
#include "meta-wayland-types.h"
#include "meta-wayland-versions.h"
#include "meta-wayland-surface.h"
#include "meta-wayland-seat.h"

11
src/wayland/meta-wayland-seat.c
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@ -176,7 +176,7 @@ seat_get_pointer (struct wl_client *client,
struct wl_resource *cr;
cr = wl_resource_create (client, &wl_pointer_interface,
MIN (wl_resource_get_version (resource), 2), id);
MIN (META_WL_POINTER_VERSION, wl_resource_get_version (resource)), id);
wl_resource_set_implementation (cr, &pointer_interface, seat, unbind_resource);
wl_list_insert (&seat->pointer.resource_list, wl_resource_get_link (cr));
@ -206,7 +206,7 @@ seat_get_keyboard (struct wl_client *client,
struct wl_resource *cr;
cr = wl_resource_create (client, &wl_keyboard_interface,
MIN (wl_resource_get_version (resource), 2), id);
MIN (META_WL_KEYBOARD_VERSION, wl_resource_get_version (resource)), id);
wl_resource_set_implementation (cr, NULL, seat, unbind_resource);
wl_list_insert (&seat->keyboard.resource_list, wl_resource_get_link (cr));
@ -249,7 +249,8 @@ bind_seat (struct wl_client *client,
MetaWaylandSeat *seat = data;
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_seat_interface, MIN (version, 2), id);
resource = wl_resource_create (client, &wl_seat_interface,
MIN (META_WL_SEAT_VERSION, version), id);
wl_resource_set_implementation (resource, &seat_interface, seat, unbind_resource);
wl_list_insert (&seat->base_resource_list, wl_resource_get_link (resource));
@ -257,7 +258,7 @@ bind_seat (struct wl_client *client,
WL_SEAT_CAPABILITY_POINTER |
WL_SEAT_CAPABILITY_KEYBOARD);
if (version >= 2)
if (version >= META_WL_SEAT_HAS_NAME)
wl_seat_send_name (resource, "seat0");
}
@ -297,7 +298,7 @@ meta_wayland_seat_new (struct wl_display *display,
seat->hotspot_x = 16;
seat->hotspot_y = 16;
wl_global_create (display, &wl_seat_interface, 2, seat, bind_seat);
wl_global_create (display, &wl_seat_interface, META_WL_SEAT_VERSION, seat, bind_seat);
return seat;
}

19
src/wayland/meta-wayland-surface.c
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@ -817,6 +817,7 @@ static void
create_surface_extension (struct wl_client *client,
struct wl_resource *master_resource,
guint32 id,
int max_version,
MetaWaylandSurface *surface,
const struct wl_interface *interface,
const void *implementation)
@ -826,7 +827,7 @@ create_surface_extension (struct wl_client *client,
extension = g_new0 (MetaWaylandSurfaceExtension, 1);
extension->resource = wl_resource_create (client, interface,
wl_resource_get_version (master_resource), id);
MIN (max_version, wl_resource_get_version (master_resource)), id);
wl_resource_set_implementation (extension->resource, implementation,
extension, destroy_surface_extension);
@ -852,7 +853,7 @@ get_shell_surface (struct wl_client *client,
return;
}
create_surface_extension (client, resource, id, surface,
create_surface_extension (client, resource, id, META_WL_SHELL_SURFACE_VERSION, surface,
&wl_shell_surface_interface,
&meta_wayland_shell_surface_interface);
surface->has_shell_surface = TRUE;
@ -871,7 +872,8 @@ bind_shell (struct wl_client *client,
{
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_shell_interface, MIN (1, version), id);
resource = wl_resource_create (client, &wl_shell_interface,
MIN (META_WL_SHELL_VERSION, version), id);
wl_resource_set_implementation (resource, &meta_wayland_shell_interface, data, NULL);
}
@ -954,7 +956,7 @@ get_gtk_surface (struct wl_client *client,
return;
}
create_surface_extension (client, resource, id, surface,
create_surface_extension (client, resource, id, META_GTK_SURFACE_VERSION, surface,
&gtk_surface_interface,
&meta_wayland_gtk_surface_interface);
surface->has_gtk_surface = TRUE;
@ -973,7 +975,8 @@ bind_gtk_shell (struct wl_client *client,
{
struct wl_resource *resource;
resource = wl_resource_create (client, &gtk_shell_interface, MIN (1, version), id);
resource = wl_resource_create (client, &gtk_shell_interface,
MIN (META_GTK_SHELL_VERSION, version), id);
wl_resource_set_implementation (resource, &meta_wayland_gtk_shell_interface, data, NULL);
/* FIXME: ask the plugin */
@ -984,12 +987,14 @@ void
meta_wayland_init_shell (MetaWaylandCompositor *compositor)
{
if (wl_global_create (compositor->wayland_display,
&wl_shell_interface, 1,
&wl_shell_interface,
META_WL_SHELL_VERSION,
compositor, bind_shell) == NULL)
g_error ("Failed to register a global shell object");
if (wl_global_create (compositor->wayland_display,
&gtk_shell_interface, 1,
&gtk_shell_interface,
META_GTK_SHELL_VERSION,
compositor, bind_gtk_shell) == NULL)
g_error ("Failed to register a global gtk-shell object");
}

62
src/wayland/meta-wayland-versions.h Normal file
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@ -0,0 +1,62 @@
/*
* Wayland Support
*
* Copyright (C) 2012,2013 Intel Corporation
* 2013 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef META_WAYLAND_VERSIONS_H
#define META_WAYLAND_VERSIONS_H
/* Protocol objects, will never change version */
/* #define META_WL_DISPLAY_VERSION 1 */
/* #define META_WL_REGISTRY_VERSION 1 */
#define META_WL_CALLBACK_VERSION 1
/* Not handled by mutter-wayland directly */
/* #define META_WL_SHM_VERSION 1 */
/* #define META_WL_SHM_POOL_VERSION 1 */
/* #define META_WL_DRM_VERSION 1 */
/* #define META_WL_BUFFER_VERSION 1 */
/* Global/master objects (version exported by wl_registry and negotiated through bind) */
#define META_WL_COMPOSITOR_VERSION 3
#define META_WL_DATA_DEVICE_MANAGER_VERSION 1
#define META_WL_SHELL_VERSION 1
#define META_WL_SEAT_VERSION 2 /* 3 not implemented yet */
#define META_WL_OUTPUT_VERSION 2
#define META_XSERVER_VERSION 1
#define META_GTK_SHELL_VERSION 1
/* Slave objects (version inherited from a master object) */
#define META_WL_DATA_OFFER_VERSION 1 /* from wl_data_device */
#define META_WL_DATA_SOURCE_VERSION 1 /* from wl_data_device */
#define META_WL_DATA_DEVICE_VERSION 1 /* from wl_data_device_manager */
#define META_WL_SHELL_SURFACE_VERSION 1 /* from wl_shell */
#define META_WL_SURFACE_VERSION 3 /* from wl_compositor */
#define META_WL_POINTER_VERSION 2 /* from wl_seat; 3 not implemented yet */
#define META_WL_KEYBOARD_VERSION 2 /* from wl_seat; 3 not implemented yet */
#define META_WL_TOUCH_VERSION 0 /* from wl_seat; wl_touch not supported */
#define META_WL_REGION_VERSION 1 /* from wl_compositor */
#define META_GTK_SURFACE_VERSION 1 /* from gtk_shell */
/* The first version to implement a specific event */
#define META_WL_SEAT_HAS_NAME 2
#define META_WL_OUTPUT_HAS_DONE 2
#endif

24
src/wayland/meta-wayland.c
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@ -230,11 +230,10 @@ meta_wayland_compositor_create_surface (struct wl_client *wayland_client,
wl_resource_get_user_data (wayland_compositor_resource);
MetaWaylandSurface *surface;
/* a surface inherits the version from the compositor */
surface = meta_wayland_surface_create (compositor,
wayland_client,
id,
MIN (3, wl_resource_get_version (wayland_compositor_resource)));
wayland_client, id,
MIN (META_WL_SURFACE_VERSION,
wl_resource_get_version (wayland_compositor_resource)));
compositor->surfaces = g_list_prepend (compositor->surfaces, surface);
}
@ -298,7 +297,8 @@ meta_wayland_compositor_create_region (struct wl_client *wayland_client,
region->resource = wl_resource_create (wayland_client,
&wl_region_interface,
MIN (1, wl_resource_get_version (compositor_resource)),
MIN (META_WL_REGION_VERSION,
wl_resource_get_version (compositor_resource)),
id);
wl_resource_set_implementation (region->resource,
&meta_wayland_region_interface, region,
@ -336,7 +336,8 @@ bind_output (struct wl_client *client,
struct wl_resource *resource;
guint mode_flags;
resource = wl_resource_create (client, &wl_output_interface, MIN (2, version), id);
resource = wl_resource_create (client, &wl_output_interface,
MIN (META_WL_OUTPUT_VERSION, version), id);
wayland_output->resources = g_list_prepend (wayland_output->resources, resource);
wl_resource_set_user_data (resource, wayland_output);
@ -374,7 +375,7 @@ bind_output (struct wl_client *client,
(int)output->crtc->current_mode->height,
(int)output->crtc->current_mode->refresh_rate);
if (version >= 2)
if (version >= META_WL_OUTPUT_HAS_DONE)
wl_resource_post_event (resource,
WL_OUTPUT_DONE);
}
@ -477,7 +478,8 @@ meta_wayland_compositor_update_outputs (MetaWaylandCompositor *compositor,
{
wayland_output = g_slice_new0 (MetaWaylandOutput);
wayland_output->global = wl_global_create (compositor->wayland_display,
&wl_output_interface, 2,
&wl_output_interface,
META_WL_OUTPUT_VERSION,
wayland_output, bind_output);
}
@ -519,7 +521,8 @@ compositor_bind (struct wl_client *client,
MetaWaylandCompositor *compositor = data;
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_compositor_interface, MIN (3, version), id);
resource = wl_resource_create (client, &wl_compositor_interface,
MIN (META_WL_COMPOSITOR_VERSION, version), id);
wl_resource_set_implementation (resource, &meta_wayland_compositor_interface, compositor, NULL);
}
@ -823,7 +826,8 @@ meta_wayland_init (void)
wl_list_init (&compositor->frame_callbacks);
if (!wl_global_create (compositor->wayland_display,
&wl_compositor_interface, 3,
&wl_compositor_interface,
META_WL_COMPOSITOR_VERSION,
compositor, compositor_bind))
g_error ("Failed to register wayland compositor object");

7
src/wayland/meta-xwayland.c
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@ -87,8 +87,8 @@ bind_xserver (struct wl_client *client,
if (client != compositor->xwayland_client)
return;
compositor->xserver_resource =
wl_resource_create (client, &xserver_interface, MIN (1, version), id);
compositor->xserver_resource = wl_resource_create (client, &xserver_interface,
MIN (META_XSERVER_VERSION, version), id);
wl_resource_set_implementation (compositor->xserver_resource,
&xserver_implementation, compositor, NULL);
@ -323,7 +323,8 @@ meta_xwayland_start (MetaWaylandCompositor *compositor)
GError *error;
wl_global_create (compositor->wayland_display,
&xserver_interface, 1,
&xserver_interface,
META_XSERVER_VERSION,
compositor, bind_xserver);
do