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Add crude input device support.

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Just pointer motion and button clicks for now, broadcast to all clients.
This commit is contained in:
Kristian Høgsberg 2008-11-02 10:12:29 -05:00
parent 362a34ed89
commit f9bc795a7d
6 changed files with 274 additions and 12 deletions
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97
wayland.c
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@ -12,8 +12,6 @@
#include "wayland.h"
#include "connection.h"
#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
@ -51,6 +49,7 @@ struct wl_client {
struct wl_event_source *source;
struct wl_display *display;
struct wl_list object_list;
struct wl_list link;
};
struct wl_display {
@ -58,11 +57,17 @@ struct wl_display {
struct wl_event_loop *loop;
struct wl_hash objects;
struct wl_object *pointer;
struct wl_compositor *compositor;
struct wl_compositor_interface *compositor_interface;
struct wl_list surface_list;
struct wl_list client_list;
uint32_t client_id_range;
int32_t pointer_x;
int32_t pointer_y;
};
struct wl_surface {
@ -403,6 +408,8 @@ wl_client_create(struct wl_display *display, int fd)
advertise_object(client, &display->base);
wl_list_insert(display->client_list.prev, &client->link);
return client;
}
@ -413,6 +420,8 @@ wl_client_destroy(struct wl_client *client)
printf("disconnect from client %p\n", client);
wl_list_remove(&client->link);
while (client->object_list.next != &client->object_list) {
ref = container_of(client->object_list.next,
struct wl_object_ref, link);
@ -469,6 +478,21 @@ static const struct wl_interface display_interface = {
ARRAY_LENGTH(display_events), display_events,
};
static const char input_device_file[] =
"/dev/input/by-id/usb-Apple__Inc._Apple_Internal_Keyboard_._Trackpad-event-mouse";
static void
wl_display_create_input_devices(struct wl_display *display)
{
display->pointer = wl_input_device_create(display, input_device_file, 1);
if (display->pointer != NULL)
wl_hash_insert(&display->objects, display->pointer);
display->pointer_x = 100;
display->pointer_y = 100;
}
struct wl_display *
wl_display_create(void)
{
@ -488,12 +512,81 @@ wl_display_create(void)
display->base.interface = &display_interface;
wl_hash_insert(&display->objects, &display->base);
wl_list_init(&display->surface_list);
wl_list_init(&display->client_list);
wl_display_create_input_devices(display);
display->client_id_range = 256; /* Gah, arbitrary... */
return display;
}
void
wl_display_send_event(struct wl_display *display, uint32_t *data, size_t size)
{
struct wl_client *client;
client = container_of(display->client_list.next,
struct wl_client, link);
while (&client->link != &display->client_list) {
wl_connection_write(client->connection, data, size);
client = container_of(client->link.next,
struct wl_client, link);
}
}
#define WL_POINTER_MOTION 0
#define WL_POINTER_BUTTON 1
void
wl_display_post_relative_event(struct wl_display *display,
struct wl_object *source, int dx, int dy)
{
uint32_t p[4];
display->pointer_x += dx;
display->pointer_y += dy;
p[0] = source->id;
p[1] = (sizeof p << 16) | WL_POINTER_MOTION;
p[2] = display->pointer_x;
p[3] = display->pointer_y;
wl_display_send_event(display, p, sizeof p);
}
void
wl_display_post_absolute_event(struct wl_display *display,
struct wl_object *source, int x, int y)
{
uint32_t p[4];
display->pointer_x = x;
display->pointer_y = y;
p[0] = source->id;
p[1] = (sizeof p << 16) | WL_POINTER_MOTION;
p[2] = display->pointer_x;
p[3] = display->pointer_y;
wl_display_send_event(display, p, sizeof p);
}
void
wl_display_post_button_event(struct wl_display *display,
struct wl_object *source, int button, int state)
{
uint32_t p[4];
p[0] = source->id;
p[1] = (sizeof p << 16) | WL_POINTER_BUTTON;
p[2] = button;
p[3] = state;
wl_display_send_event(display, p, sizeof p);
}
void
wl_display_set_compositor(struct wl_display *display,
struct wl_compositor *compositor)