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Import input structs and helper functions from wayland

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This commit is contained in:
Kristian Høgsberg 2013-04-18 15:07:39 -04:00
parent 685168661a
commit 2158a889a1
5 changed files with 1326 additions and 1 deletions
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2
configure.ac
View file

@ -43,7 +43,7 @@ AC_CHECK_HEADERS([execinfo.h])
AC_CHECK_FUNCS([mkostemp strchrnul])
COMPOSITOR_MODULES="wayland-server xkbcommon pixman-1"
COMPOSITOR_MODULES="wayland-server >= 1.1.90 xkbcommon pixman-1"
AC_ARG_ENABLE(egl, [ --disable-egl],,
enable_egl=yes)

2
src/Makefile.am
View file

@ -18,6 +18,8 @@ weston_SOURCES = \
log.c \
compositor.c \
compositor.h \
input.c \
data-device.c \
filter.c \
filter.h \
screenshooter.c \

232
src/compositor.h
View file

@ -208,6 +208,238 @@ struct weston_output {
uint16_t *b);
};
struct wl_pointer_grab;
struct wl_pointer_grab_interface {
void (*focus)(struct wl_pointer_grab *grab,
struct wl_surface *surface,
wl_fixed_t x,
wl_fixed_t y);
void (*motion)(struct wl_pointer_grab *grab,
uint32_t time,
wl_fixed_t x,
wl_fixed_t y);
void (*button)(struct wl_pointer_grab *grab,
uint32_t time, uint32_t button, uint32_t state);
};
struct wl_pointer_grab {
const struct wl_pointer_grab_interface *interface;
struct wl_pointer *pointer;
struct wl_surface *focus;
wl_fixed_t x, y;
};
struct wl_keyboard_grab;
struct wl_keyboard_grab_interface {
void (*key)(struct wl_keyboard_grab *grab, uint32_t time,
uint32_t key, uint32_t state);
void (*modifiers)(struct wl_keyboard_grab *grab, uint32_t serial,
uint32_t mods_depressed, uint32_t mods_latched,
uint32_t mods_locked, uint32_t group);
};
struct wl_keyboard_grab {
const struct wl_keyboard_grab_interface *interface;
struct wl_keyboard *keyboard;
struct wl_surface *focus;
uint32_t key;
};
struct wl_touch_grab;
struct wl_touch_grab_interface {
void (*down)(struct wl_touch_grab *grab,
uint32_t time,
int touch_id,
wl_fixed_t sx,
wl_fixed_t sy);
void (*up)(struct wl_touch_grab *grab,
uint32_t time,
int touch_id);
void (*motion)(struct wl_touch_grab *grab,
uint32_t time,
int touch_id,
wl_fixed_t sx,
wl_fixed_t sy);
};
struct wl_touch_grab {
const struct wl_touch_grab_interface *interface;
struct wl_touch *touch;
struct wl_surface *focus;
};
struct wl_data_offer {
struct wl_resource resource;
struct wl_data_source *source;
struct wl_listener source_destroy_listener;
};
struct wl_data_source {
struct wl_resource resource;
struct wl_array mime_types;
void (*accept)(struct wl_data_source *source,
uint32_t serial, const char *mime_type);
void (*send)(struct wl_data_source *source,
const char *mime_type, int32_t fd);
void (*cancel)(struct wl_data_source *source);
};
struct wl_pointer {
struct wl_seat *seat;
struct wl_list resource_list;
struct wl_surface *focus;
struct wl_resource *focus_resource;
struct wl_listener focus_listener;
uint32_t focus_serial;
struct wl_signal focus_signal;
struct wl_pointer_grab *grab;
struct wl_pointer_grab default_grab;
wl_fixed_t grab_x, grab_y;
uint32_t grab_button;
uint32_t grab_serial;
uint32_t grab_time;
wl_fixed_t x, y;
struct wl_surface *current;
struct wl_listener current_listener;
wl_fixed_t current_x, current_y;
uint32_t button_count;
};
struct wl_keyboard {
struct wl_seat *seat;
struct wl_list resource_list;
struct wl_surface *focus;
struct wl_resource *focus_resource;
struct wl_listener focus_listener;
uint32_t focus_serial;
struct wl_signal focus_signal;
struct wl_keyboard_grab *grab;
struct wl_keyboard_grab default_grab;
uint32_t grab_key;
uint32_t grab_serial;
uint32_t grab_time;
struct wl_array keys;
struct {
uint32_t mods_depressed;
uint32_t mods_latched;
uint32_t mods_locked;
uint32_t group;
} modifiers;
};
struct wl_touch {
struct wl_seat *seat;
struct wl_list resource_list;
struct wl_surface *focus;
struct wl_resource *focus_resource;
struct wl_listener focus_listener;
uint32_t focus_serial;
struct wl_signal focus_signal;
struct wl_touch_grab *grab;
struct wl_touch_grab default_grab;
wl_fixed_t grab_x, grab_y;
uint32_t grab_serial;
uint32_t grab_time;
};
struct wl_seat {
struct wl_list base_resource_list;
struct wl_signal destroy_signal;
struct wl_pointer *pointer;
struct wl_keyboard *keyboard;
struct wl_touch *touch;
uint32_t selection_serial;
struct wl_data_source *selection_data_source;
struct wl_listener selection_data_source_listener;
struct wl_signal selection_signal;
struct wl_list drag_resource_list;
struct wl_client *drag_client;
struct wl_data_source *drag_data_source;
struct wl_listener drag_data_source_listener;
struct wl_surface *drag_focus;
struct wl_resource *drag_focus_resource;
struct wl_listener drag_focus_listener;
struct wl_pointer_grab drag_grab;
struct wl_surface *drag_surface;
struct wl_listener drag_icon_listener;
struct wl_signal drag_icon_signal;
};
void
wl_seat_init(struct wl_seat *seat);
void
wl_seat_release(struct wl_seat *seat);
void
wl_seat_set_pointer(struct wl_seat *seat, struct wl_pointer *pointer);
void
wl_seat_set_keyboard(struct wl_seat *seat, struct wl_keyboard *keyboard);
void
wl_seat_set_touch(struct wl_seat *seat, struct wl_touch *touch);
void
wl_pointer_init(struct wl_pointer *pointer);
void
wl_pointer_release(struct wl_pointer *pointer);
void
wl_pointer_set_focus(struct wl_pointer *pointer, struct wl_surface *surface,
wl_fixed_t sx, wl_fixed_t sy);
void
wl_pointer_start_grab(struct wl_pointer *pointer,
struct wl_pointer_grab *grab);
void
wl_pointer_end_grab(struct wl_pointer *pointer);
void
wl_pointer_set_current(struct wl_pointer *pointer, struct wl_surface *surface);
void
wl_keyboard_init(struct wl_keyboard *keyboard);
void
wl_keyboard_release(struct wl_keyboard *keyboard);
void
wl_keyboard_set_focus(struct wl_keyboard *keyboard, struct wl_surface *surface);
void
wl_keyboard_start_grab(struct wl_keyboard *device,
struct wl_keyboard_grab *grab);
void
wl_keyboard_end_grab(struct wl_keyboard *keyboard);
void
wl_touch_init(struct wl_touch *touch);
void
wl_touch_release(struct wl_touch *touch);
void
wl_touch_start_grab(struct wl_touch *device,
struct wl_touch_grab *grab);
void
wl_touch_end_grab(struct wl_touch *touch);
void
wl_data_device_set_keyboard_focus(struct wl_seat *seat);
int
wl_data_device_manager_init(struct wl_display *display);
void
wl_seat_set_selection(struct wl_seat *seat,
struct wl_data_source *source, uint32_t serial);
struct weston_xkb_info {
struct xkb_keymap *keymap;
int keymap_fd;

538
src/data-device.c Normal file
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@ -0,0 +1,538 @@
/*
* Copyright © 2011 Kristian Høgsberg
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include "compositor.h"
static void
data_offer_accept(struct wl_client *client, struct wl_resource *resource,
uint32_t serial, const char *mime_type)
{
struct wl_data_offer *offer = resource->data;
/* FIXME: Check that client is currently focused by the input
* device that is currently dragging this data source. Should
* this be a wl_data_device request? */
if (offer->source)
offer->source->accept(offer->source, serial, mime_type);
}
static void
data_offer_receive(struct wl_client *client, struct wl_resource *resource,
const char *mime_type, int32_t fd)
{
struct wl_data_offer *offer = resource->data;
if (offer->source)
offer->source->send(offer->source, mime_type, fd);
else
close(fd);
}
static void
data_offer_destroy(struct wl_client *client, struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static const struct wl_data_offer_interface data_offer_interface = {
data_offer_accept,
data_offer_receive,
data_offer_destroy,
};
static void
destroy_data_offer(struct wl_resource *resource)
{
struct wl_data_offer *offer = resource->data;
if (offer->source)
wl_list_remove(&offer->source_destroy_listener.link);
free(offer);
}
static void
destroy_offer_data_source(struct wl_listener *listener, void *data)
{
struct wl_data_offer *offer;
offer = container_of(listener, struct wl_data_offer,
source_destroy_listener);
offer->source = NULL;
}
static struct wl_resource *
wl_data_source_send_offer(struct wl_data_source *source,
struct wl_resource *target)
{
struct wl_data_offer *offer;
char **p;
offer = malloc(sizeof *offer);
if (offer == NULL)
return NULL;
wl_resource_init(&offer->resource, &wl_data_offer_interface,
&data_offer_interface, 0, offer);
offer->resource.destroy = destroy_data_offer;
offer->source = source;
offer->source_destroy_listener.notify = destroy_offer_data_source;
wl_signal_add(&source->resource.destroy_signal,
&offer->source_destroy_listener);
wl_client_add_resource(target->client, &offer->resource);
wl_data_device_send_data_offer(target, &offer->resource);
wl_array_for_each(p, &source->mime_types)
wl_data_offer_send_offer(&offer->resource, *p);
return &offer->resource;
}
static void
data_source_offer(struct wl_client *client,
struct wl_resource *resource,
const char *type)
{
struct wl_data_source *source = resource->data;
char **p;
p = wl_array_add(&source->mime_types, sizeof *p);
if (p)
*p = strdup(type);
if (!p || !*p)
wl_resource_post_no_memory(resource);
}
static void
data_source_destroy(struct wl_client *client, struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static struct wl_data_source_interface data_source_interface = {
data_source_offer,
data_source_destroy
};
static struct wl_resource *
find_resource(struct wl_list *list, struct wl_client *client)
{
struct wl_resource *r;
wl_list_for_each(r, list, link) {
if (r->client == client)
return r;
}
return NULL;
}
static void
destroy_drag_focus(struct wl_listener *listener, void *data)
{
struct wl_seat *seat =
container_of(listener, struct wl_seat, drag_focus_listener);
seat->drag_focus_resource = NULL;
}
static void
drag_grab_focus(struct wl_pointer_grab *grab,
struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y)
{
struct wl_seat *seat = container_of(grab, struct wl_seat, drag_grab);
struct wl_resource *resource, *offer = NULL;
struct wl_display *display;
uint32_t serial;
if (seat->drag_focus_resource) {
wl_data_device_send_leave(seat->drag_focus_resource);
wl_list_remove(&seat->drag_focus_listener.link);
seat->drag_focus_resource = NULL;
seat->drag_focus = NULL;
}
if (!surface)
return;
if (!seat->drag_data_source &&
surface->resource.client != seat->drag_client)
return;
resource = find_resource(&seat->drag_resource_list,
surface->resource.client);
if (!resource)
return;
display = wl_client_get_display(resource->client);
serial = wl_display_next_serial(display);
if (seat->drag_data_source)
offer = wl_data_source_send_offer(seat->drag_data_source,
resource);
wl_data_device_send_enter(resource, serial, &surface->resource,
x, y, offer);
seat->drag_focus = surface;
seat->drag_focus_listener.notify = destroy_drag_focus;
wl_signal_add(&resource->destroy_signal,
&seat->drag_focus_listener);
seat->drag_focus_resource = resource;
grab->focus = surface;
}
static void
drag_grab_motion(struct wl_pointer_grab *grab,
uint32_t time, wl_fixed_t x, wl_fixed_t y)
{
struct wl_seat *seat = container_of(grab, struct wl_seat, drag_grab);
if (seat->drag_focus_resource)
wl_data_device_send_motion(seat->drag_focus_resource,
time, x, y);
}
static void
data_device_end_drag_grab(struct wl_seat *seat)
{
if (seat->drag_surface) {
seat->drag_surface = NULL;
wl_signal_emit(&seat->drag_icon_signal, NULL);
wl_list_remove(&seat->drag_icon_listener.link);
}
drag_grab_focus(&seat->drag_grab, NULL,
wl_fixed_from_int(0), wl_fixed_from_int(0));
wl_pointer_end_grab(seat->pointer);
seat->drag_data_source = NULL;
seat->drag_client = NULL;
}
static void
drag_grab_button(struct wl_pointer_grab *grab,
uint32_t time, uint32_t button, uint32_t state_w)
{
struct wl_seat *seat = container_of(grab, struct wl_seat, drag_grab);
enum wl_pointer_button_state state = state_w;
if (seat->drag_focus_resource &&
seat->pointer->grab_button == button &&
state == WL_POINTER_BUTTON_STATE_RELEASED)
wl_data_device_send_drop(seat->drag_focus_resource);
if (seat->pointer->button_count == 0 &&
state == WL_POINTER_BUTTON_STATE_RELEASED) {
if (seat->drag_data_source)
wl_list_remove(&seat->drag_data_source_listener.link);
data_device_end_drag_grab(seat);
}
}
static const struct wl_pointer_grab_interface drag_grab_interface = {
drag_grab_focus,
drag_grab_motion,
drag_grab_button,
};
static void
destroy_data_device_source(struct wl_listener *listener, void *data)
{
struct wl_seat *seat = container_of(listener, struct wl_seat,
drag_data_source_listener);
data_device_end_drag_grab(seat);
}
static void
destroy_data_device_icon(struct wl_listener *listener, void *data)
{
struct wl_seat *seat = container_of(listener, struct wl_seat,
drag_icon_listener);
seat->drag_surface = NULL;
}
static void
data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *source_resource,
struct wl_resource *origin_resource,
struct wl_resource *icon_resource, uint32_t serial)
{
struct wl_seat *seat = resource->data;
/* FIXME: Check that client has implicit grab on the origin
* surface that matches the given time. */
/* FIXME: Check that the data source type array isn't empty. */
seat->drag_grab.interface = &drag_grab_interface;
seat->drag_client = client;
seat->drag_data_source = NULL;
if (source_resource) {
seat->drag_data_source = source_resource->data;
seat->drag_data_source_listener.notify =
destroy_data_device_source;
wl_signal_add(&source_resource->destroy_signal,
&seat->drag_data_source_listener);
}
if (icon_resource) {
seat->drag_surface = icon_resource->data;
seat->drag_icon_listener.notify = destroy_data_device_icon;
wl_signal_add(&icon_resource->destroy_signal,
&seat->drag_icon_listener);
wl_signal_emit(&seat->drag_icon_signal, icon_resource);
}
wl_pointer_set_focus(seat->pointer, NULL,
wl_fixed_from_int(0), wl_fixed_from_int(0));
wl_pointer_start_grab(seat->pointer, &seat->drag_grab);
}
static void
destroy_selection_data_source(struct wl_listener *listener, void *data)
{
struct wl_seat *seat = container_of(listener, struct wl_seat,
selection_data_source_listener);
struct wl_resource *data_device;
struct wl_resource *focus = NULL;
seat->selection_data_source = NULL;
if (seat->keyboard)
focus = seat->keyboard->focus_resource;
if (focus) {
data_device = find_resource(&seat->drag_resource_list,
focus->client);
if (data_device)
wl_data_device_send_selection(data_device, NULL);
}
wl_signal_emit(&seat->selection_signal, seat);
}
WL_EXPORT void
wl_seat_set_selection(struct wl_seat *seat, struct wl_data_source *source,
uint32_t serial)
{
struct wl_resource *data_device, *offer;
struct wl_resource *focus = NULL;
if (seat->selection_data_source &&
seat->selection_serial - serial < UINT32_MAX / 2)
return;
if (seat->selection_data_source) {
seat->selection_data_source->cancel(seat->selection_data_source);
wl_list_remove(&seat->selection_data_source_listener.link);
seat->selection_data_source = NULL;
}
seat->selection_data_source = source;
seat->selection_serial = serial;
if (seat->keyboard)
focus = seat->keyboard->focus_resource;
if (focus) {
data_device = find_resource(&seat->drag_resource_list,
focus->client);
if (data_device && source) {
offer = wl_data_source_send_offer(seat->selection_data_source,
data_device);
wl_data_device_send_selection(data_device, offer);
} else if (data_device) {
wl_data_device_send_selection(data_device, NULL);
}
}
wl_signal_emit(&seat->selection_signal, seat);
if (source) {
seat->selection_data_source_listener.notify =
destroy_selection_data_source;
wl_signal_add(&source->resource.destroy_signal,
&seat->selection_data_source_listener);
}
}
static void
data_device_set_selection(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *source_resource, uint32_t serial)
{
if (!source_resource)
return;
/* FIXME: Store serial and check against incoming serial here. */
wl_seat_set_selection(resource->data, source_resource->data,
serial);
}
static const struct wl_data_device_interface data_device_interface = {
data_device_start_drag,
data_device_set_selection,
};
static void
destroy_data_source(struct wl_resource *resource)
{
struct wl_data_source *source =
container_of(resource, struct wl_data_source, resource);
char **p;
wl_array_for_each(p, &source->mime_types)
free(*p);
wl_array_release(&source->mime_types);
source->resource.object.id = 0;
}
static void
client_source_accept(struct wl_data_source *source,
uint32_t time, const char *mime_type)
{
wl_data_source_send_target(&source->resource, mime_type);
}
static void
client_source_send(struct wl_data_source *source,
const char *mime_type, int32_t fd)
{
wl_data_source_send_send(&source->resource, mime_type, fd);
close(fd);
}
static void
client_source_cancel(struct wl_data_source *source)
{
wl_data_source_send_cancelled(&source->resource);
}
static void
create_data_source(struct wl_client *client,
struct wl_resource *resource, uint32_t id)
{
struct wl_data_source *source;
source = malloc(sizeof *source);
if (source == NULL) {
wl_resource_post_no_memory(resource);
return;
}
wl_resource_init(&source->resource, &wl_data_source_interface,
&data_source_interface, id, source);
source->resource.destroy = destroy_data_source;
source->accept = client_source_accept;
source->send = client_source_send;
source->cancel = client_source_cancel;
wl_array_init(&source->mime_types);
wl_client_add_resource(client, &source->resource);
}
static void unbind_data_device(struct wl_resource *resource)
{
wl_list_remove(&resource->link);
free(resource);
}
static void
get_data_device(struct wl_client *client,
struct wl_resource *manager_resource,
uint32_t id, struct wl_resource *seat_resource)
{
struct wl_seat *seat = seat_resource->data;
struct wl_resource *resource;
resource = wl_client_add_object(client, &wl_data_device_interface,
&data_device_interface, id,
seat);
wl_list_insert(&seat->drag_resource_list, &resource->link);
resource->destroy = unbind_data_device;
}
static const struct wl_data_device_manager_interface manager_interface = {
create_data_source,
get_data_device
};
static void
bind_manager(struct wl_client *client,
void *data, uint32_t version, uint32_t id)
{
wl_client_add_object(client, &wl_data_device_manager_interface,
&manager_interface, id, NULL);
}
WL_EXPORT void
wl_data_device_set_keyboard_focus(struct wl_seat *seat)
{
struct wl_resource *data_device, *focus, *offer;
struct wl_data_source *source;
if (!seat->keyboard)
return;
focus = seat->keyboard->focus_resource;
if (!focus)
return;
data_device = find_resource(&seat->drag_resource_list,
focus->client);
if (!data_device)
return;
source = seat->selection_data_source;
if (source) {
offer = wl_data_source_send_offer(source, data_device);
wl_data_device_send_selection(data_device, offer);
}
}
WL_EXPORT int
wl_data_device_manager_init(struct wl_display *display)
{
if (wl_display_add_global(display,
&wl_data_device_manager_interface,
NULL, bind_manager) == NULL)
return -1;
return 0;
}

553
src/input.c Normal file
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@ -0,0 +1,553 @@
/*
* Copyright © 2013 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "compositor.h"
static void
lose_pointer_focus(struct wl_listener *listener, void *data)
{
struct wl_pointer *pointer =
container_of(listener, struct wl_pointer, focus_listener);
pointer->focus_resource = NULL;
}
static void
lose_keyboard_focus(struct wl_listener *listener, void *data)
{
struct wl_keyboard *keyboard =
container_of(listener, struct wl_keyboard, focus_listener);
keyboard->focus_resource = NULL;
}
static void
lose_touch_focus(struct wl_listener *listener, void *data)
{
struct wl_touch *touch =
container_of(listener, struct wl_touch, focus_listener);
touch->focus_resource = NULL;
}
static void
default_grab_focus(struct wl_pointer_grab *grab,
struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y)
{
struct wl_pointer *pointer = grab->pointer;
if (pointer->button_count > 0)
return;
wl_pointer_set_focus(pointer, surface, x, y);
}
static void
default_grab_motion(struct wl_pointer_grab *grab,
uint32_t time, wl_fixed_t x, wl_fixed_t y)
{
struct wl_resource *resource;
resource = grab->pointer->focus_resource;
if (resource)
wl_pointer_send_motion(resource, time, x, y);
}
static void
default_grab_button(struct wl_pointer_grab *grab,
uint32_t time, uint32_t button, uint32_t state_w)
{
struct wl_pointer *pointer = grab->pointer;
struct wl_resource *resource;
uint32_t serial;
enum wl_pointer_button_state state = state_w;
struct wl_display *display;
resource = pointer->focus_resource;
if (resource) {
display = wl_client_get_display(resource->client);
serial = wl_display_next_serial(display);
wl_pointer_send_button(resource, serial, time, button, state_w);
}
if (pointer->button_count == 0 &&
state == WL_POINTER_BUTTON_STATE_RELEASED)
wl_pointer_set_focus(pointer, pointer->current,
pointer->current_x, pointer->current_y);
}
static const struct wl_pointer_grab_interface
default_pointer_grab_interface = {
default_grab_focus,
default_grab_motion,
default_grab_button
};
static void default_grab_touch_down(struct wl_touch_grab *grab,
uint32_t time,
int touch_id,
wl_fixed_t sx,
wl_fixed_t sy)
{
struct wl_touch *touch = grab->touch;
struct wl_display *display;
uint32_t serial;
if (touch->focus_resource && touch->focus) {
display = wl_client_get_display(touch->focus_resource->client);
serial = wl_display_next_serial(display);
wl_touch_send_down(touch->focus_resource, serial, time,
&touch->focus->resource, touch_id, sx, sy);
}
}
static void default_grab_touch_up(struct wl_touch_grab *grab,
uint32_t time,
int touch_id)
{
struct wl_touch *touch = grab->touch;
struct wl_display *display;
uint32_t serial;
if (touch->focus_resource) {
display = wl_client_get_display(touch->focus_resource->client);
serial = wl_display_next_serial(display);
wl_touch_send_up(touch->focus_resource, serial, time, touch_id);
}
}
static void default_grab_touch_motion(struct wl_touch_grab *grab,
uint32_t time,
int touch_id,
wl_fixed_t sx,
wl_fixed_t sy)
{
struct wl_touch *touch = grab->touch;
if (touch->focus_resource) {
wl_touch_send_motion(touch->focus_resource, time,
touch_id, sx, sy);
}
}
static const struct wl_touch_grab_interface default_touch_grab_interface = {
default_grab_touch_down,
default_grab_touch_up,
default_grab_touch_motion
};
static void
default_grab_key(struct wl_keyboard_grab *grab,
uint32_t time, uint32_t key, uint32_t state)
{
struct wl_keyboard *keyboard = grab->keyboard;
struct wl_resource *resource;
struct wl_display *display;
uint32_t serial;
resource = keyboard->focus_resource;
if (resource) {
display = wl_client_get_display(resource->client);
serial = wl_display_next_serial(display);
wl_keyboard_send_key(resource, serial, time, key, state);
}
}
static struct wl_resource *
find_resource_for_surface(struct wl_list *list, struct wl_surface *surface)
{
struct wl_resource *r;
if (!surface)
return NULL;
wl_list_for_each(r, list, link) {
if (r->client == surface->resource.client)
return r;
}
return NULL;
}
static void
default_grab_modifiers(struct wl_keyboard_grab *grab, uint32_t serial,
uint32_t mods_depressed, uint32_t mods_latched,
uint32_t mods_locked, uint32_t group)
{
struct wl_keyboard *keyboard = grab->keyboard;
struct wl_pointer *pointer = keyboard->seat->pointer;
struct wl_resource *resource, *pr;
resource = keyboard->focus_resource;
if (!resource)
return;
wl_keyboard_send_modifiers(resource, serial, mods_depressed,
mods_latched, mods_locked, group);
if (pointer && pointer->focus && pointer->focus != keyboard->focus) {
pr = find_resource_for_surface(&keyboard->resource_list,
pointer->focus);
if (pr) {
wl_keyboard_send_modifiers(pr,
serial,
keyboard->modifiers.mods_depressed,
keyboard->modifiers.mods_latched,
keyboard->modifiers.mods_locked,
keyboard->modifiers.group);
}
}
}
static const struct wl_keyboard_grab_interface
default_keyboard_grab_interface = {
default_grab_key,
default_grab_modifiers,
};
WL_EXPORT void
wl_pointer_init(struct wl_pointer *pointer)
{
memset(pointer, 0, sizeof *pointer);
wl_list_init(&pointer->resource_list);
pointer->focus_listener.notify = lose_pointer_focus;
pointer->default_grab.interface = &default_pointer_grab_interface;
pointer->default_grab.pointer = pointer;
pointer->grab = &pointer->default_grab;
wl_signal_init(&pointer->focus_signal);
/* FIXME: Pick better co-ords. */
pointer->x = wl_fixed_from_int(100);
pointer->y = wl_fixed_from_int(100);
}
WL_EXPORT void
wl_pointer_release(struct wl_pointer *pointer)
{
/* XXX: What about pointer->resource_list? */
if (pointer->focus_resource)
wl_list_remove(&pointer->focus_listener.link);
}
WL_EXPORT void
wl_keyboard_init(struct wl_keyboard *keyboard)
{
memset(keyboard, 0, sizeof *keyboard);
wl_list_init(&keyboard->resource_list);
wl_array_init(&keyboard->keys);
keyboard->focus_listener.notify = lose_keyboard_focus;
keyboard->default_grab.interface = &default_keyboard_grab_interface;
keyboard->default_grab.keyboard = keyboard;
keyboard->grab = &keyboard->default_grab;
wl_signal_init(&keyboard->focus_signal);
}
WL_EXPORT void
wl_keyboard_release(struct wl_keyboard *keyboard)
{
/* XXX: What about keyboard->resource_list? */
if (keyboard->focus_resource)
wl_list_remove(&keyboard->focus_listener.link);
wl_array_release(&keyboard->keys);
}
WL_EXPORT void
wl_touch_init(struct wl_touch *touch)
{
memset(touch, 0, sizeof *touch);
wl_list_init(&touch->resource_list);
touch->focus_listener.notify = lose_touch_focus;
touch->default_grab.interface = &default_touch_grab_interface;
touch->default_grab.touch = touch;
touch->grab = &touch->default_grab;
wl_signal_init(&touch->focus_signal);
}
WL_EXPORT void
wl_touch_release(struct wl_touch *touch)
{
/* XXX: What about touch->resource_list? */
if (touch->focus_resource)
wl_list_remove(&touch->focus_listener.link);
}
WL_EXPORT void
wl_seat_init(struct wl_seat *seat)
{
memset(seat, 0, sizeof *seat);
wl_signal_init(&seat->destroy_signal);
seat->selection_data_source = NULL;
wl_list_init(&seat->base_resource_list);
wl_signal_init(&seat->selection_signal);
wl_list_init(&seat->drag_resource_list);
wl_signal_init(&seat->drag_icon_signal);
}
WL_EXPORT void
wl_seat_release(struct wl_seat *seat)
{
wl_signal_emit(&seat->destroy_signal, seat);
if (seat->pointer)
wl_pointer_release(seat->pointer);
if (seat->keyboard)
wl_keyboard_release(seat->keyboard);
if (seat->touch)
wl_touch_release(seat->touch);
}
static void
seat_send_updated_caps(struct wl_seat *seat)
{
struct wl_resource *r;
enum wl_seat_capability caps = 0;
if (seat->pointer)
caps |= WL_SEAT_CAPABILITY_POINTER;
if (seat->keyboard)
caps |= WL_SEAT_CAPABILITY_KEYBOARD;
if (seat->touch)
caps |= WL_SEAT_CAPABILITY_TOUCH;
wl_list_for_each(r, &seat->base_resource_list, link)
wl_seat_send_capabilities(r, caps);
}
WL_EXPORT void
wl_seat_set_pointer(struct wl_seat *seat, struct wl_pointer *pointer)
{
if (pointer && (seat->pointer || pointer->seat))
return; /* XXX: error? */
if (!pointer && !seat->pointer)
return;
seat->pointer = pointer;
if (pointer)
pointer->seat = seat;
seat_send_updated_caps(seat);
}
WL_EXPORT void
wl_seat_set_keyboard(struct wl_seat *seat, struct wl_keyboard *keyboard)
{
if (keyboard && (seat->keyboard || keyboard->seat))
return; /* XXX: error? */
if (!keyboard && !seat->keyboard)
return;
seat->keyboard = keyboard;
if (keyboard)
keyboard->seat = seat;
seat_send_updated_caps(seat);
}
WL_EXPORT void
wl_seat_set_touch(struct wl_seat *seat, struct wl_touch *touch)
{
if (touch && (seat->touch || touch->seat))
return; /* XXX: error? */
if (!touch && !seat->touch)
return;
seat->touch = touch;
if (touch)
touch->seat = seat;
seat_send_updated_caps(seat);
}
WL_EXPORT void
wl_pointer_set_focus(struct wl_pointer *pointer, struct wl_surface *surface,
wl_fixed_t sx, wl_fixed_t sy)
{
struct wl_keyboard *kbd = pointer->seat->keyboard;
struct wl_resource *resource, *kr;
struct wl_display *display;
uint32_t serial;
resource = pointer->focus_resource;
if (resource && pointer->focus != surface) {
display = wl_client_get_display(resource->client);
serial = wl_display_next_serial(display);
wl_pointer_send_leave(resource, serial,
&pointer->focus->resource);
wl_list_remove(&pointer->focus_listener.link);
}
resource = find_resource_for_surface(&pointer->resource_list,
surface);
if (resource &&
(pointer->focus != surface ||
pointer->focus_resource != resource)) {
display = wl_client_get_display(resource->client);
serial = wl_display_next_serial(display);
if (kbd) {
kr = find_resource_for_surface(&kbd->resource_list,
surface);
if (kr) {
wl_keyboard_send_modifiers(kr,
serial,
kbd->modifiers.mods_depressed,
kbd->modifiers.mods_latched,
kbd->modifiers.mods_locked,
kbd->modifiers.group);
}
}
wl_pointer_send_enter(resource, serial, &surface->resource,
sx, sy);
wl_signal_add(&resource->destroy_signal,
&pointer->focus_listener);
pointer->focus_serial = serial;
}
pointer->focus_resource = resource;
pointer->focus = surface;
pointer->default_grab.focus = surface;
wl_signal_emit(&pointer->focus_signal, pointer);
}
WL_EXPORT void
wl_keyboard_set_focus(struct wl_keyboard *keyboard, struct wl_surface *surface)
{
struct wl_resource *resource;
struct wl_display *display;
uint32_t serial;
if (keyboard->focus_resource && keyboard->focus != surface) {
resource = keyboard->focus_resource;
display = wl_client_get_display(resource->client);
serial = wl_display_next_serial(display);
wl_keyboard_send_leave(resource, serial,
&keyboard->focus->resource);
wl_list_remove(&keyboard->focus_listener.link);
}
resource = find_resource_for_surface(&keyboard->resource_list,
surface);
if (resource &&
(keyboard->focus != surface ||
keyboard->focus_resource != resource)) {
display = wl_client_get_display(resource->client);
serial = wl_display_next_serial(display);
wl_keyboard_send_modifiers(resource, serial,
keyboard->modifiers.mods_depressed,
keyboard->modifiers.mods_latched,
keyboard->modifiers.mods_locked,
keyboard->modifiers.group);
wl_keyboard_send_enter(resource, serial, &surface->resource,
&keyboard->keys);
wl_signal_add(&resource->destroy_signal,
&keyboard->focus_listener);
keyboard->focus_serial = serial;
}
keyboard->focus_resource = resource;
keyboard->focus = surface;
wl_signal_emit(&keyboard->focus_signal, keyboard);
}
WL_EXPORT void
wl_keyboard_start_grab(struct wl_keyboard *keyboard,
struct wl_keyboard_grab *grab)
{
keyboard->grab = grab;
grab->keyboard = keyboard;
/* XXX focus? */
}
WL_EXPORT void
wl_keyboard_end_grab(struct wl_keyboard *keyboard)
{
keyboard->grab = &keyboard->default_grab;
}
WL_EXPORT void
wl_pointer_start_grab(struct wl_pointer *pointer, struct wl_pointer_grab *grab)
{
const struct wl_pointer_grab_interface *interface;
pointer->grab = grab;
interface = pointer->grab->interface;
grab->pointer = pointer;
if (pointer->current)
interface->focus(pointer->grab, pointer->current,
pointer->current_x, pointer->current_y);
}
WL_EXPORT void
wl_pointer_end_grab(struct wl_pointer *pointer)
{
const struct wl_pointer_grab_interface *interface;
pointer->grab = &pointer->default_grab;
interface = pointer->grab->interface;
interface->focus(pointer->grab, pointer->current,
pointer->current_x, pointer->current_y);
}
static void
current_surface_destroy(struct wl_listener *listener, void *data)
{
struct wl_pointer *pointer =
container_of(listener, struct wl_pointer, current_listener);
pointer->current = NULL;
}
WL_EXPORT void
wl_pointer_set_current(struct wl_pointer *pointer, struct wl_surface *surface)
{
if (pointer->current)
wl_list_remove(&pointer->current_listener.link);
pointer->current = surface;
if (!surface)
return;
wl_signal_add(&surface->resource.destroy_signal,
&pointer->current_listener);
pointer->current_listener.notify = current_surface_destroy;
}
WL_EXPORT void
wl_touch_start_grab(struct wl_touch *touch, struct wl_touch_grab *grab)
{
touch->grab = grab;
grab->touch = touch;
}
WL_EXPORT void
wl_touch_end_grab(struct wl_touch *touch)
{
touch->grab = &touch->default_grab;
}