mutter/src/wayland/meta-wayland-seat.c
Jonas Ådahl 2f4a68c8c3 Clean up include macros mess
The order and way include macros were structured was chaotic, with no
real common thread between files. Try to tidy up the mess with some
common scheme, to make things look less messy.
2018-11-06 17:17:36 +01:00

529 lines
16 KiB
C

/*
* Wayland Support
*
* Copyright (C) 2013 Intel Corporation
*
* 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.
*/
#include "config.h"
#include "wayland/meta-wayland-seat.h"
#include "wayland/meta-wayland-data-device.h"
#include "wayland/meta-wayland-private.h"
#include "wayland/meta-wayland-tablet-seat.h"
#include "wayland/meta-wayland-versions.h"
#define CAPABILITY_ENABLED(prev, cur, capability) ((cur & (capability)) && !(prev & (capability)))
#define CAPABILITY_DISABLED(prev, cur, capability) ((prev & (capability)) && !(cur & (capability)))
static void
unbind_resource (struct wl_resource *resource)
{
wl_list_remove (wl_resource_get_link (resource));
}
static void
seat_get_pointer (struct wl_client *client,
struct wl_resource *resource,
uint32_t id)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
MetaWaylandPointer *pointer = seat->pointer;
if (meta_wayland_seat_has_pointer (seat))
meta_wayland_pointer_create_new_resource (pointer, client, resource, id);
}
static void
seat_get_keyboard (struct wl_client *client,
struct wl_resource *resource,
uint32_t id)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
MetaWaylandKeyboard *keyboard = seat->keyboard;
if (meta_wayland_seat_has_keyboard (seat))
meta_wayland_keyboard_create_new_resource (keyboard, client, resource, id);
}
static void
seat_get_touch (struct wl_client *client,
struct wl_resource *resource,
uint32_t id)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (resource);
MetaWaylandTouch *touch = seat->touch;
if (meta_wayland_seat_has_touch (seat))
meta_wayland_touch_create_new_resource (touch, client, resource, id);
}
static const struct wl_seat_interface seat_interface = {
seat_get_pointer,
seat_get_keyboard,
seat_get_touch
};
static void
bind_seat (struct wl_client *client,
void *data,
guint32 version,
guint32 id)
{
MetaWaylandSeat *seat = data;
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_seat_interface, version, id);
wl_resource_set_implementation (resource, &seat_interface, seat, unbind_resource);
wl_list_insert (&seat->base_resource_list, wl_resource_get_link (resource));
wl_seat_send_capabilities (resource, seat->capabilities);
if (version >= WL_SEAT_NAME_SINCE_VERSION)
wl_seat_send_name (resource, "seat0");
}
static uint32_t
lookup_device_capabilities (ClutterDeviceManager *device_manager)
{
const GSList *devices, *l;
uint32_t capabilities = 0;
devices = clutter_device_manager_peek_devices (device_manager);
for (l = devices; l; l = l->next)
{
ClutterInputDeviceType device_type;
/* Only look for physical devices, master devices have rather generic
* keyboard/pointer device types, which is not truly representative of
* the slave devices connected to them.
*/
if (clutter_input_device_get_device_mode (l->data) == CLUTTER_INPUT_MODE_MASTER)
continue;
device_type = clutter_input_device_get_device_type (l->data);
switch (device_type)
{
case CLUTTER_TOUCHPAD_DEVICE:
case CLUTTER_POINTER_DEVICE:
capabilities |= WL_SEAT_CAPABILITY_POINTER;
break;
case CLUTTER_KEYBOARD_DEVICE:
capabilities |= WL_SEAT_CAPABILITY_KEYBOARD;
break;
case CLUTTER_TOUCHSCREEN_DEVICE:
capabilities |= WL_SEAT_CAPABILITY_TOUCH;
break;
default:
g_debug ("Ignoring device '%s' with unhandled type %d",
clutter_input_device_get_device_name (l->data),
device_type);
break;
}
}
return capabilities;
}
static void
meta_wayland_seat_set_capabilities (MetaWaylandSeat *seat,
uint32_t flags)
{
struct wl_resource *resource;
uint32_t prev_flags;
prev_flags = seat->capabilities;
if (prev_flags == flags)
return;
seat->capabilities = flags;
if (CAPABILITY_ENABLED (prev_flags, flags, WL_SEAT_CAPABILITY_POINTER))
meta_wayland_pointer_enable (seat->pointer);
else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_POINTER))
meta_wayland_pointer_disable (seat->pointer);
if (CAPABILITY_ENABLED (prev_flags, flags, WL_SEAT_CAPABILITY_KEYBOARD))
{
MetaDisplay *display;
meta_wayland_keyboard_enable (seat->keyboard);
display = meta_get_display ();
/* Post-initialization, ensure the input focus is in sync */
if (display)
meta_display_sync_wayland_input_focus (display);
}
else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_KEYBOARD))
meta_wayland_keyboard_disable (seat->keyboard);
if (CAPABILITY_ENABLED (prev_flags, flags, WL_SEAT_CAPABILITY_TOUCH))
meta_wayland_touch_enable (seat->touch);
else if (CAPABILITY_DISABLED (prev_flags, flags, WL_SEAT_CAPABILITY_TOUCH))
meta_wayland_touch_disable (seat->touch);
/* Broadcast capability changes */
wl_resource_for_each (resource, &seat->base_resource_list)
{
wl_seat_send_capabilities (resource, flags);
}
}
static void
meta_wayland_seat_update_capabilities (MetaWaylandSeat *seat,
ClutterDeviceManager *device_manager)
{
uint32_t capabilities;
capabilities = lookup_device_capabilities (device_manager);
meta_wayland_seat_set_capabilities (seat, capabilities);
}
static void
meta_wayland_seat_devices_updated (ClutterDeviceManager *device_manager,
ClutterInputDevice *input_device,
MetaWaylandSeat *seat)
{
meta_wayland_seat_update_capabilities (seat, device_manager);
}
static MetaWaylandSeat *
meta_wayland_seat_new (MetaWaylandCompositor *compositor,
struct wl_display *display)
{
MetaWaylandSeat *seat = g_new0 (MetaWaylandSeat, 1);
ClutterDeviceManager *device_manager;
wl_list_init (&seat->base_resource_list);
seat->wl_display = display;
seat->pointer = g_object_new (META_TYPE_WAYLAND_POINTER,
"seat", seat,
NULL);
seat->keyboard = g_object_new (META_TYPE_WAYLAND_KEYBOARD,
"seat", seat,
NULL);
seat->touch = g_object_new (META_TYPE_WAYLAND_TOUCH,
"seat", seat,
NULL);
seat->text_input = meta_wayland_text_input_new (seat);
seat->gtk_text_input = meta_wayland_gtk_text_input_new (seat);
meta_wayland_data_device_init (&seat->data_device);
device_manager = clutter_device_manager_get_default ();
meta_wayland_seat_update_capabilities (seat, device_manager);
g_signal_connect (device_manager, "device-added",
G_CALLBACK (meta_wayland_seat_devices_updated), seat);
g_signal_connect (device_manager, "device-removed",
G_CALLBACK (meta_wayland_seat_devices_updated), seat);
wl_global_create (display, &wl_seat_interface, META_WL_SEAT_VERSION, seat, bind_seat);
meta_wayland_tablet_manager_ensure_seat (compositor->tablet_manager, seat);
return seat;
}
void
meta_wayland_seat_init (MetaWaylandCompositor *compositor)
{
compositor->seat = meta_wayland_seat_new (compositor,
compositor->wayland_display);
}
void
meta_wayland_seat_free (MetaWaylandSeat *seat)
{
ClutterDeviceManager *device_manager;
device_manager = clutter_device_manager_get_default ();
g_signal_handlers_disconnect_by_data (device_manager, seat);
meta_wayland_seat_set_capabilities (seat, 0);
g_object_unref (seat->pointer);
g_object_unref (seat->keyboard);
g_object_unref (seat->touch);
meta_wayland_gtk_text_input_destroy (seat->gtk_text_input);
meta_wayland_text_input_destroy (seat->text_input);
g_slice_free (MetaWaylandSeat, seat);
}
static gboolean
event_is_synthesized_crossing (const ClutterEvent *event)
{
ClutterInputDevice *device;
if (event->type != CLUTTER_ENTER && event->type != CLUTTER_LEAVE)
return FALSE;
device = clutter_event_get_source_device (event);
return clutter_input_device_get_device_mode (device) == CLUTTER_INPUT_MODE_MASTER;
}
static gboolean
event_from_supported_hardware_device (MetaWaylandSeat *seat,
const ClutterEvent *event)
{
ClutterInputDevice *input_device;
ClutterInputMode input_mode;
ClutterInputDeviceType device_type;
gboolean hardware_device = FALSE;
gboolean supported_device = FALSE;
input_device = clutter_event_get_source_device (event);
if (input_device == NULL)
goto out;
input_mode = clutter_input_device_get_device_mode (input_device);
if (input_mode != CLUTTER_INPUT_MODE_SLAVE)
goto out;
hardware_device = TRUE;
device_type = clutter_input_device_get_device_type (input_device);
switch (device_type)
{
case CLUTTER_TOUCHPAD_DEVICE:
case CLUTTER_POINTER_DEVICE:
case CLUTTER_KEYBOARD_DEVICE:
case CLUTTER_TOUCHSCREEN_DEVICE:
supported_device = TRUE;
break;
default:
supported_device = FALSE;
break;
}
out:
return hardware_device && supported_device;
}
void
meta_wayland_seat_update (MetaWaylandSeat *seat,
const ClutterEvent *event)
{
if (!(clutter_event_get_flags (event) & CLUTTER_EVENT_FLAG_INPUT_METHOD) &&
!event_from_supported_hardware_device (seat, event) &&
!event_is_synthesized_crossing (event))
return;
switch (event->type)
{
case CLUTTER_MOTION:
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
case CLUTTER_SCROLL:
case CLUTTER_ENTER:
case CLUTTER_LEAVE:
if (meta_wayland_seat_has_pointer (seat))
meta_wayland_pointer_update (seat->pointer, event);
break;
case CLUTTER_KEY_PRESS:
case CLUTTER_KEY_RELEASE:
if (meta_wayland_seat_has_keyboard (seat))
meta_wayland_keyboard_update (seat->keyboard, (const ClutterKeyEvent *) event);
break;
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
if (meta_wayland_seat_has_touch (seat))
meta_wayland_touch_update (seat->touch, event);
break;
default:
break;
}
}
gboolean
meta_wayland_seat_handle_event (MetaWaylandSeat *seat,
const ClutterEvent *event)
{
if (!(clutter_event_get_flags (event) & CLUTTER_EVENT_FLAG_INPUT_METHOD) &&
!event_from_supported_hardware_device (seat, event))
return FALSE;
switch (event->type)
{
case CLUTTER_MOTION:
case CLUTTER_BUTTON_PRESS:
case CLUTTER_BUTTON_RELEASE:
case CLUTTER_SCROLL:
case CLUTTER_TOUCHPAD_SWIPE:
case CLUTTER_TOUCHPAD_PINCH:
if (meta_wayland_seat_has_pointer (seat))
return meta_wayland_pointer_handle_event (seat->pointer, event);
break;
case CLUTTER_KEY_PRESS:
case CLUTTER_KEY_RELEASE:
if (meta_wayland_text_input_handle_event (seat->text_input, event))
return TRUE;
if (meta_wayland_gtk_text_input_handle_event (seat->gtk_text_input,
event))
return TRUE;
if (meta_wayland_seat_has_keyboard (seat))
return meta_wayland_keyboard_handle_event (seat->keyboard,
(const ClutterKeyEvent *) event);
break;
case CLUTTER_TOUCH_BEGIN:
case CLUTTER_TOUCH_UPDATE:
case CLUTTER_TOUCH_END:
if (meta_wayland_seat_has_touch (seat))
return meta_wayland_touch_handle_event (seat->touch, event);
break;
default:
break;
}
return FALSE;
}
void
meta_wayland_seat_repick (MetaWaylandSeat *seat)
{
if (!meta_wayland_seat_has_pointer (seat))
return;
meta_wayland_pointer_repick (seat->pointer);
}
void
meta_wayland_seat_set_input_focus (MetaWaylandSeat *seat,
MetaWaylandSurface *surface)
{
MetaWaylandTabletSeat *tablet_seat;
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
if (meta_wayland_seat_has_keyboard (seat))
{
meta_wayland_keyboard_set_focus (seat->keyboard, surface);
meta_wayland_data_device_set_keyboard_focus (&seat->data_device);
}
tablet_seat = meta_wayland_tablet_manager_ensure_seat (compositor->tablet_manager, seat);
meta_wayland_tablet_seat_set_pad_focus (tablet_seat, surface);
meta_wayland_text_input_set_focus (seat->text_input, surface);
meta_wayland_gtk_text_input_set_focus (seat->gtk_text_input, surface);
}
gboolean
meta_wayland_seat_get_grab_info (MetaWaylandSeat *seat,
MetaWaylandSurface *surface,
uint32_t serial,
gboolean require_pressed,
gfloat *x,
gfloat *y)
{
MetaWaylandCompositor *compositor;
MetaWaylandTabletSeat *tablet_seat;
GList *tools, *l;
compositor = meta_wayland_compositor_get_default ();
tablet_seat = meta_wayland_tablet_manager_ensure_seat (compositor->tablet_manager, seat);
tools = g_hash_table_get_values (tablet_seat->tools);
if (meta_wayland_seat_has_touch (seat))
{
ClutterEventSequence *sequence;
sequence = meta_wayland_touch_find_grab_sequence (seat->touch,
surface,
serial);
if (sequence)
{
meta_wayland_touch_get_press_coords (seat->touch, sequence, x, y);
return TRUE;
}
}
if (meta_wayland_seat_has_pointer (seat))
{
if ((!require_pressed || seat->pointer->button_count > 0) &&
meta_wayland_pointer_can_grab_surface (seat->pointer, surface, serial))
{
if (x)
*x = seat->pointer->grab_x;
if (y)
*y = seat->pointer->grab_y;
return TRUE;
}
}
for (l = tools; l; l = l->next)
{
MetaWaylandTabletTool *tool = l->data;
if ((!require_pressed || tool->button_count > 0) &&
meta_wayland_tablet_tool_can_grab_surface (tool, surface, serial))
{
if (x)
*x = tool->grab_x;
if (y)
*y = tool->grab_y;
return TRUE;
}
}
return FALSE;
}
gboolean
meta_wayland_seat_can_popup (MetaWaylandSeat *seat,
uint32_t serial)
{
return (meta_wayland_pointer_can_popup (seat->pointer, serial) ||
meta_wayland_keyboard_can_popup (seat->keyboard, serial) ||
meta_wayland_touch_can_popup (seat->touch, serial));
}
gboolean
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;
}