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https://github.com/brl/mutter.git
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85e5b160ee
This protocol supersedes the internal gtk_text_input protocol that was in place. Functionally it is very similar, with just some more verbosity in both ways (text_change_cause, .done event), and some improvements wrt the pre-edit text styling.
529 lines
16 KiB
C
529 lines
16 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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#include "meta-wayland-tablet-seat.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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if (meta_wayland_seat_has_pointer (seat))
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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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if (meta_wayland_seat_has_keyboard (seat))
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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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if (meta_wayland_seat_has_touch (seat))
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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, 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_TOUCHPAD_DEVICE:
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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_enable (seat->pointer);
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else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_POINTER))
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meta_wayland_pointer_disable (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_enable (seat->keyboard);
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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_disable (seat->keyboard);
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if (CAPABILITY_ENABLED (prev_flags, flags, WL_SEAT_CAPABILITY_TOUCH))
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meta_wayland_touch_enable (seat->touch);
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else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_TOUCH))
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meta_wayland_touch_disable (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 (MetaWaylandCompositor *compositor,
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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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seat->pointer = g_object_new (META_TYPE_WAYLAND_POINTER,
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"seat", seat,
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NULL);
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seat->keyboard = g_object_new (META_TYPE_WAYLAND_KEYBOARD,
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"seat", seat,
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NULL);
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seat->touch = g_object_new (META_TYPE_WAYLAND_TOUCH,
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"seat", seat,
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NULL);
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seat->text_input = meta_wayland_text_input_new (seat);
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seat->gtk_text_input = meta_wayland_gtk_text_input_new (seat);
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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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meta_wayland_tablet_manager_ensure_seat (compositor->tablet_manager, 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,
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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_object_unref (seat->pointer);
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g_object_unref (seat->keyboard);
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g_object_unref (seat->touch);
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meta_wayland_gtk_text_input_destroy (seat->gtk_text_input);
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meta_wayland_text_input_destroy (seat->text_input);
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g_slice_free (MetaWaylandSeat, seat);
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}
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static gboolean
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event_is_synthesized_crossing (const ClutterEvent *event)
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{
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ClutterInputDevice *device;
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if (event->type != CLUTTER_ENTER && event->type != CLUTTER_LEAVE)
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return FALSE;
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device = clutter_event_get_source_device (event);
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return clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER;
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}
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static gboolean
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event_from_supported_hardware_device (MetaWaylandSeat *seat,
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const ClutterEvent *event)
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{
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ClutterInputDevice *input_device;
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ClutterInputMode input_mode;
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ClutterInputDeviceType device_type;
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gboolean hardware_device = FALSE;
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gboolean supported_device = FALSE;
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input_device = clutter_event_get_source_device (event);
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if (input_device == NULL)
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goto out;
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input_mode = clutter_input_device_get_device_mode (input_device);
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if (input_mode != CLUTTER_INPUT_MODE_SLAVE)
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goto out;
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hardware_device = TRUE;
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device_type = clutter_input_device_get_device_type (input_device);
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switch (device_type)
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{
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case CLUTTER_TOUCHPAD_DEVICE:
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case CLUTTER_POINTER_DEVICE:
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case CLUTTER_KEYBOARD_DEVICE:
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case CLUTTER_TOUCHSCREEN_DEVICE:
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supported_device = TRUE;
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break;
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default:
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supported_device = FALSE;
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break;
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}
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out:
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return hardware_device && supported_device;
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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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if (!(clutter_event_get_flags (event) & CLUTTER_EVENT_FLAG_INPUT_METHOD) &&
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!event_from_supported_hardware_device (seat, event) &&
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!event_is_synthesized_crossing (event))
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return;
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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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case CLUTTER_ENTER:
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case CLUTTER_LEAVE:
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if (meta_wayland_seat_has_pointer (seat))
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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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if (meta_wayland_seat_has_keyboard (seat))
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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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if (meta_wayland_seat_has_touch (seat))
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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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if (!(clutter_event_get_flags (event) & CLUTTER_EVENT_FLAG_INPUT_METHOD) &&
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!event_from_supported_hardware_device (seat, event))
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return FALSE;
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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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case CLUTTER_TOUCHPAD_SWIPE:
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case CLUTTER_TOUCHPAD_PINCH:
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if (meta_wayland_seat_has_pointer (seat))
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return meta_wayland_pointer_handle_event (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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if (meta_wayland_text_input_handle_event (seat->text_input, event))
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return TRUE;
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if (meta_wayland_gtk_text_input_handle_event (seat->gtk_text_input,
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event))
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return TRUE;
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if (meta_wayland_seat_has_keyboard (seat))
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return meta_wayland_keyboard_handle_event (seat->keyboard,
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(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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if (meta_wayland_seat_has_touch (seat))
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return meta_wayland_touch_handle_event (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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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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if (!meta_wayland_seat_has_pointer (seat))
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return;
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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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MetaWaylandTabletSeat *tablet_seat;
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MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
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if (meta_wayland_seat_has_keyboard (seat))
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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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tablet_seat = meta_wayland_tablet_manager_ensure_seat (compositor->tablet_manager, seat);
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meta_wayland_tablet_seat_set_pad_focus (tablet_seat, surface);
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meta_wayland_text_input_set_focus (seat->text_input, surface);
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meta_wayland_gtk_text_input_set_focus (seat->gtk_text_input, surface);
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}
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gboolean
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meta_wayland_seat_get_grab_info (MetaWaylandSeat *seat,
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MetaWaylandSurface *surface,
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uint32_t serial,
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gboolean require_pressed,
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gfloat *x,
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gfloat *y)
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{
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MetaWaylandCompositor *compositor;
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MetaWaylandTabletSeat *tablet_seat;
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GList *tools, *l;
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compositor = meta_wayland_compositor_get_default ();
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tablet_seat = meta_wayland_tablet_manager_ensure_seat (compositor->tablet_manager, seat);
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tools = g_hash_table_get_values (tablet_seat->tools);
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if (meta_wayland_seat_has_touch (seat))
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{
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ClutterEventSequence *sequence;
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sequence = meta_wayland_touch_find_grab_sequence (seat->touch,
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surface,
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serial);
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if (sequence)
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{
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meta_wayland_touch_get_press_coords (seat->touch, sequence, x, y);
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return TRUE;
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}
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}
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if (meta_wayland_seat_has_pointer (seat))
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{
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if ((!require_pressed || seat->pointer->button_count > 0) &&
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meta_wayland_pointer_can_grab_surface (seat->pointer, surface, serial))
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{
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if (x)
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*x = seat->pointer->grab_x;
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if (y)
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*y = seat->pointer->grab_y;
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return TRUE;
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}
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}
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for (l = tools; l; l = l->next)
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{
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MetaWaylandTabletTool *tool = l->data;
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if ((!require_pressed || tool->button_count > 0) &&
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meta_wayland_tablet_tool_can_grab_surface (tool, surface, serial))
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{
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if (x)
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*x = tool->grab_x;
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if (y)
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*y = tool->grab_y;
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return TRUE;
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}
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}
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return FALSE;
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}
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gboolean
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meta_wayland_seat_can_popup (MetaWaylandSeat *seat,
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uint32_t serial)
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{
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return (meta_wayland_pointer_can_popup (seat->pointer, serial) ||
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meta_wayland_keyboard_can_popup (seat->keyboard, serial) ||
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meta_wayland_touch_can_popup (seat->touch, serial));
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}
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gboolean
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meta_wayland_seat_has_keyboard (MetaWaylandSeat *seat)
|
|
{
|
|
return (seat->capabilities & WL_SEAT_CAPABILITY_KEYBOARD) != 0;
|
|
}
|
|
|
|
gboolean
|
|
meta_wayland_seat_has_pointer (MetaWaylandSeat *seat)
|
|
{
|
|
return (seat->capabilities & WL_SEAT_CAPABILITY_POINTER) != 0;
|
|
}
|
|
|
|
gboolean
|
|
meta_wayland_seat_has_touch (MetaWaylandSeat *seat)
|
|
{
|
|
return (seat->capabilities & WL_SEAT_CAPABILITY_TOUCH) != 0;
|
|
}
|