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The capability flags are determined from the device types of the slave devices that are currently attached. This also happens whenever a device is added or removed, so the capabilities are kept up to date, and clients know about these. On VT switch, all slave devices are temporarily removed, so the cascade of signals will make the seat end up with capabililities=0 while input is suspended. https://bugzilla.gnome.org/show_bug.cgi?id=733563
329 lines
9.6 KiB
C
329 lines
9.6 KiB
C
/*
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* Wayland Support
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*
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* Copyright (C) 2013 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include "config.h"
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#include "meta-wayland-seat.h"
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#include "meta-wayland-private.h"
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#include "meta-wayland-versions.h"
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#include "meta-wayland-data-device.h"
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#define CAPABILITY_ENABLED(prev, cur, capability) ((cur & (capability)) && !(prev & (capability)))
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#define CAPABILITY_DISABLED(prev, cur, capability) ((prev & (capability)) && !(cur & (capability)))
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static void
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unbind_resource (struct wl_resource *resource)
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{
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wl_list_remove (wl_resource_get_link (resource));
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}
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static void
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seat_get_pointer (struct wl_client *client,
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struct wl_resource *resource,
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uint32_t id)
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{
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MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
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MetaWaylandPointer *pointer = &seat->pointer;
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meta_wayland_pointer_create_new_resource (pointer, client, resource, id);
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}
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static void
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seat_get_keyboard (struct wl_client *client,
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struct wl_resource *resource,
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uint32_t id)
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{
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MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
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MetaWaylandKeyboard *keyboard = &seat->keyboard;
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meta_wayland_keyboard_create_new_resource (keyboard, client, resource, id);
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}
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static void
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seat_get_touch (struct wl_client *client,
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struct wl_resource *resource,
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uint32_t id)
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{
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MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
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MetaWaylandTouch *touch = &seat->touch;
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meta_wayland_touch_create_new_resource (touch, client, resource, id);
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}
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static const struct wl_seat_interface seat_interface = {
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seat_get_pointer,
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seat_get_keyboard,
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seat_get_touch
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};
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static void
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bind_seat (struct wl_client *client,
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void *data,
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guint32 version,
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guint32 id)
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{
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MetaWaylandSeat *seat = data;
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struct wl_resource *resource;
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resource = wl_resource_create (client, &wl_seat_interface,
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MIN (META_WL_SEAT_VERSION, version), id);
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wl_resource_set_implementation (resource, &seat_interface, seat, unbind_resource);
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wl_list_insert (&seat->base_resource_list, wl_resource_get_link (resource));
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wl_seat_send_capabilities (resource, seat->capabilities);
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if (version >= WL_SEAT_NAME_SINCE_VERSION)
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wl_seat_send_name (resource, "seat0");
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}
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static uint32_t
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lookup_device_capabilities (ClutterDeviceManager *device_manager)
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{
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const GSList *devices, *l;
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uint32_t capabilities = 0;
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devices = clutter_device_manager_peek_devices (device_manager);
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for (l = devices; l; l = l->next)
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{
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ClutterInputDeviceType device_type;
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/* Only look for physical devices, master devices have rather generic
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* keyboard/pointer device types, which is not truly representative of
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* the slave devices connected to them.
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*/
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if (clutter_input_device_get_device_mode (l->data) == CLUTTER_INPUT_MODE_MASTER)
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continue;
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device_type = clutter_input_device_get_device_type (l->data);
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switch (device_type)
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{
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case CLUTTER_POINTER_DEVICE:
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capabilities |= WL_SEAT_CAPABILITY_POINTER;
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break;
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case CLUTTER_KEYBOARD_DEVICE:
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capabilities |= WL_SEAT_CAPABILITY_KEYBOARD;
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break;
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case CLUTTER_TOUCHSCREEN_DEVICE:
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capabilities |= WL_SEAT_CAPABILITY_TOUCH;
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break;
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default:
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g_debug ("Ignoring device '%s' with unhandled type %d",
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clutter_input_device_get_device_name (l->data),
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device_type);
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break;
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}
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}
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return capabilities;
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}
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static void
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meta_wayland_seat_set_capabilities (MetaWaylandSeat *seat,
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uint32_t flags)
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{
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struct wl_resource *resource;
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uint32_t prev_flags;
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prev_flags = seat->capabilities;
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if (prev_flags == flags)
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return;
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seat->capabilities = flags;
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if (CAPABILITY_ENABLED (prev_flags, flags, WL_SEAT_CAPABILITY_POINTER))
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meta_wayland_pointer_init (&seat->pointer, seat->wl_display);
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else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_POINTER))
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meta_wayland_pointer_release (&seat->pointer);
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if (CAPABILITY_ENABLED (prev_flags, flags, WL_SEAT_CAPABILITY_KEYBOARD))
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{
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MetaDisplay *display;
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meta_wayland_keyboard_init (&seat->keyboard, seat->wl_display);
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display = meta_get_display ();
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/* Post-initialization, ensure the input focus is in sync */
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if (display)
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meta_display_sync_wayland_input_focus (display);
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}
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else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_KEYBOARD))
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meta_wayland_keyboard_release (&seat->keyboard);
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if (CAPABILITY_ENABLED (prev_flags, flags, WL_SEAT_CAPABILITY_TOUCH))
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meta_wayland_touch_init (&seat->touch, seat->wl_display);
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else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_TOUCH))
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meta_wayland_touch_release (&seat->touch);
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/* Broadcast capability changes */
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wl_resource_for_each (resource, &seat->base_resource_list)
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{
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wl_seat_send_capabilities (resource, flags);
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}
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}
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static void
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meta_wayland_seat_update_capabilities (MetaWaylandSeat *seat,
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ClutterDeviceManager *device_manager)
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{
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uint32_t capabilities;
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capabilities = lookup_device_capabilities (device_manager);
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meta_wayland_seat_set_capabilities (seat, capabilities);
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}
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static void
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meta_wayland_seat_devices_updated (ClutterDeviceManager *device_manager,
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ClutterInputDevice *input_device,
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MetaWaylandSeat *seat)
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{
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meta_wayland_seat_update_capabilities (seat, device_manager);
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}
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static MetaWaylandSeat *
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meta_wayland_seat_new (struct wl_display *display)
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{
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MetaWaylandSeat *seat = g_new0 (MetaWaylandSeat, 1);
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ClutterDeviceManager *device_manager;
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wl_list_init (&seat->base_resource_list);
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seat->wl_display = display;
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meta_wayland_data_device_init (&seat->data_device);
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device_manager = clutter_device_manager_get_default ();
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meta_wayland_seat_update_capabilities (seat, device_manager);
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g_signal_connect (device_manager, "device-added",
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G_CALLBACK (meta_wayland_seat_devices_updated), seat);
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g_signal_connect (device_manager, "device-removed",
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G_CALLBACK (meta_wayland_seat_devices_updated), seat);
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wl_global_create (display, &wl_seat_interface, META_WL_SEAT_VERSION, seat, bind_seat);
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return seat;
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}
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void
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meta_wayland_seat_init (MetaWaylandCompositor *compositor)
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{
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compositor->seat = meta_wayland_seat_new (compositor->wayland_display);
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}
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void
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meta_wayland_seat_free (MetaWaylandSeat *seat)
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{
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ClutterDeviceManager *device_manager;
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device_manager = clutter_device_manager_get_default ();
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g_signal_handlers_disconnect_by_data (device_manager, seat);
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meta_wayland_seat_set_capabilities (seat, 0);
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g_slice_free (MetaWaylandSeat, seat);
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}
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void
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meta_wayland_seat_update (MetaWaylandSeat *seat,
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const ClutterEvent *event)
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{
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switch (event->type)
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{
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case CLUTTER_MOTION:
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case CLUTTER_BUTTON_PRESS:
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case CLUTTER_BUTTON_RELEASE:
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case CLUTTER_SCROLL:
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meta_wayland_pointer_update (&seat->pointer, event);
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break;
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case CLUTTER_KEY_PRESS:
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case CLUTTER_KEY_RELEASE:
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meta_wayland_keyboard_update (&seat->keyboard, (const ClutterKeyEvent *) event);
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break;
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case CLUTTER_TOUCH_BEGIN:
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case CLUTTER_TOUCH_UPDATE:
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case CLUTTER_TOUCH_END:
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meta_wayland_touch_update (&seat->touch, event);
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break;
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default:
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break;
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}
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}
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gboolean
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meta_wayland_seat_handle_event (MetaWaylandSeat *seat,
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const ClutterEvent *event)
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{
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switch (event->type)
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{
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case CLUTTER_MOTION:
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case CLUTTER_BUTTON_PRESS:
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case CLUTTER_BUTTON_RELEASE:
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case CLUTTER_SCROLL:
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return meta_wayland_pointer_handle_event (&seat->pointer, event);
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case CLUTTER_KEY_PRESS:
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case CLUTTER_KEY_RELEASE:
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return meta_wayland_keyboard_handle_event (&seat->keyboard,
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(const ClutterKeyEvent *) event);
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case CLUTTER_TOUCH_BEGIN:
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case CLUTTER_TOUCH_UPDATE:
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case CLUTTER_TOUCH_END:
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return meta_wayland_touch_handle_event (&seat->touch, event);
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default:
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break;
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}
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return FALSE;
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}
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void
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meta_wayland_seat_repick (MetaWaylandSeat *seat)
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{
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meta_wayland_pointer_repick (&seat->pointer);
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}
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void
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meta_wayland_seat_set_input_focus (MetaWaylandSeat *seat,
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MetaWaylandSurface *surface)
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{
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meta_wayland_keyboard_set_focus (&seat->keyboard, surface);
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meta_wayland_data_device_set_keyboard_focus (&seat->data_device);
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}
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void
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meta_wayland_seat_update_cursor_surface (MetaWaylandSeat *seat)
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{
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meta_wayland_pointer_update_cursor_surface (&seat->pointer);
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}
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gboolean
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meta_wayland_seat_can_grab_surface (MetaWaylandSeat *seat,
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MetaWaylandSurface *surface,
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uint32_t serial)
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{
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return meta_wayland_pointer_can_grab_surface (&seat->pointer, surface, serial);
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}
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