Move data device implementation into wayland-server
This commit is contained in:
Kristian Høgsberg
parent
dbb3ba7269
commit
b6b3d07c83
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@ -21,6 +21,7 @@ libwayland_server_la_SOURCES = \
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wayland-protocol.c \
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wayland-server.c \
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wayland-shm.c \
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data-device.c \
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event-loop.c
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libwayland_client_la_LIBADD = $(FFI_LIBS) libwayland-util.la -lrt
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464
src/data-device.c
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464
src/data-device.c
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@ -0,0 +1,464 @@
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/*
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* Copyright © 2011 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdio.h>
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#include "wayland-server.h"
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static void
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data_offer_accept(struct wl_client *client, struct wl_resource *resource,
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uint32_t time, const char *mime_type)
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{
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struct wl_data_offer *offer = resource->data;
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/* FIXME: Check that client is currently focused by the input
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* device that is currently dragging this data source. Should
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* this be a wl_data_device request? */
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if (offer->source)
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wl_resource_post_event(&offer->source->resource,
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WL_DATA_SOURCE_TARGET, mime_type);
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}
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static void
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data_offer_receive(struct wl_client *client, struct wl_resource *resource,
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const char *mime_type, int32_t fd)
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{
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struct wl_data_offer *offer = resource->data;
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if (offer->source)
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wl_resource_post_event(&offer->source->resource,
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WL_DATA_SOURCE_SEND, mime_type, fd);
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close(fd);
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}
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static void
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data_offer_destroy(struct wl_client *client, struct wl_resource *resource)
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{
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wl_resource_destroy(resource, 0);
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}
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static void
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destroy_data_offer(struct wl_resource *resource)
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{
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struct wl_data_offer *offer = resource->data;
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wl_list_remove(&offer->source_destroy_listener.link);
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free(offer);
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}
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static const struct wl_data_offer_interface data_offer_interface = {
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data_offer_accept,
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data_offer_receive,
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data_offer_destroy,
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};
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static void
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destroy_offer_data_source(struct wl_listener *listener,
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struct wl_resource *resource, uint32_t time)
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{
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struct wl_data_offer *offer = resource->data;
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offer->source = NULL;
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}
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static void
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data_source_cancel(struct wl_data_source *source)
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{
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wl_resource_post_event(&source->resource, WL_DATA_SOURCE_CANCELLED);
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}
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static struct wl_resource *
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wl_data_source_send_offer(struct wl_data_source *source,
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struct wl_resource *target)
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{
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struct wl_data_offer *offer;
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char **p, **end;
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offer = malloc(sizeof *offer);
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if (offer == NULL)
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return NULL;
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offer->resource.destroy = destroy_data_offer;
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offer->resource.object.id = 0;
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offer->resource.object.interface = &wl_data_offer_interface;
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offer->resource.object.implementation =
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(void (**)(void)) source->offer_interface;
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offer->resource.data = offer;
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wl_list_init(&offer->resource.destroy_listener_list);
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offer->source = source;
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offer->source_destroy_listener.func = destroy_offer_data_source;
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wl_list_insert(&source->resource.destroy_listener_list,
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&offer->source_destroy_listener.link);
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wl_client_add_resource(target->client, &offer->resource);
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wl_resource_post_event(target,
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WL_DATA_DEVICE_DATA_OFFER, &offer->resource);
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end = source->mime_types.data + source->mime_types.size;
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for (p = source->mime_types.data; p < end; p++)
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wl_resource_post_event(&offer->resource,
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WL_DATA_OFFER_OFFER, *p);
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return &offer->resource;
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}
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static void
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data_source_offer(struct wl_client *client,
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struct wl_resource *resource,
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const char *type)
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{
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struct wl_data_source *source = resource->data;
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char **p;
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p = wl_array_add(&source->mime_types, sizeof *p);
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if (p)
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*p = strdup(type);
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if (!p || !*p)
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wl_resource_post_no_memory(resource);
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}
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static void
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data_source_destroy(struct wl_client *client, struct wl_resource *resource)
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{
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wl_resource_destroy(resource, 0);
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}
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static struct wl_data_source_interface data_source_interface = {
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data_source_offer,
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data_source_destroy
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};
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static struct wl_resource *
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find_resource(struct wl_list *list, struct wl_client *client)
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{
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struct wl_resource *r;
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wl_list_for_each(r, list, link) {
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if (r->client == client)
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return r;
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}
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return NULL;
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}
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static void
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destroy_drag_focus(struct wl_listener *listener,
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struct wl_resource *resource, uint32_t time)
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{
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struct wl_input_device *device =
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container_of(listener, struct wl_input_device,
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drag_focus_listener);
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device->drag_focus_resource = NULL;
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}
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static void
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drag_grab_focus(struct wl_grab *grab, uint32_t time,
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struct wl_surface *surface, int32_t x, int32_t y)
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{
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struct wl_input_device *device =
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container_of(grab, struct wl_input_device, drag_grab);
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struct wl_resource *resource, *offer;
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if (device->drag_focus_resource) {
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wl_resource_post_event(device->drag_focus_resource,
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WL_DATA_DEVICE_LEAVE);
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wl_list_remove(&device->drag_focus_listener.link);
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device->drag_focus_resource = NULL;
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device->drag_focus = NULL;
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}
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if (surface)
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resource = find_resource(&device->drag_resource_list,
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surface->resource.client);
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if (surface && resource) {
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offer = wl_data_source_send_offer(device->drag_data_source,
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resource);
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wl_resource_post_event(resource,
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WL_DATA_DEVICE_ENTER,
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time, surface, x, y, offer);
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device->drag_focus = surface;
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device->drag_focus_listener.func = destroy_drag_focus;
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wl_list_insert(resource->destroy_listener_list.prev,
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&device->drag_focus_listener.link);
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device->drag_focus_resource = resource;
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grab->focus = surface;
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}
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}
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static void
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drag_grab_motion(struct wl_grab *grab,
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uint32_t time, int32_t x, int32_t y)
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{
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struct wl_input_device *device =
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container_of(grab, struct wl_input_device, drag_grab);
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if (device->drag_focus_resource)
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wl_resource_post_event(device->drag_focus_resource,
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WL_DATA_DEVICE_MOTION, time, x, y);
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}
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static void
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drag_grab_button(struct wl_grab *grab,
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uint32_t time, int32_t button, int32_t state)
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{
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struct wl_input_device *device =
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container_of(grab, struct wl_input_device, drag_grab);
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if (device->drag_focus_resource &&
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device->grab_button == button && state == 0)
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wl_resource_post_event(device->drag_focus_resource,
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WL_DATA_DEVICE_DROP);
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if (device->button_count == 0 && state == 0) {
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wl_input_device_end_grab(device, time);
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device->drag_data_source = NULL;
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}
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}
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static const struct wl_grab_interface drag_grab_interface = {
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drag_grab_focus,
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drag_grab_motion,
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drag_grab_button,
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};
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static void
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data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
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struct wl_resource *source_resource,
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struct wl_resource *surface_resource, uint32_t time)
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{
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struct wl_input_device *device = resource->data;
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/* FIXME: Check that client has implicit grab on the surface
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* that matches the given time. */
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/* FIXME: Check that the data source type array isn't empty. */
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device->drag_grab.interface = &drag_grab_interface;
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device->drag_data_source = source_resource->data;
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wl_input_device_start_grab(device, &device->drag_grab, time);
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}
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static void
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data_device_attach(struct wl_client *client, struct wl_resource *resource,
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uint32_t time,
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struct wl_resource *buffer, int32_t x, int32_t y)
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{
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}
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static void
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destroy_selection_data_source(struct wl_listener *listener,
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struct wl_resource *resource, uint32_t time)
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{
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struct wl_input_device *device =
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container_of(listener, struct wl_input_device,
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selection_data_source_listener);
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struct wl_resource *data_device, *focus;
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device->selection_data_source = NULL;
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focus = device->keyboard_focus_resource;
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if (focus) {
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data_device = find_resource(&device->drag_resource_list,
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focus->client);
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wl_resource_post_event(data_device,
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WL_DATA_DEVICE_SELECTION, NULL);
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}
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}
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WL_EXPORT void
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wl_input_device_set_selection(struct wl_input_device *device,
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struct wl_data_source *source, uint32_t time)
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{
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struct wl_resource *data_device, *focus, *offer;
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struct wl_selection_listener *listener, *next;
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if (device->selection_data_source) {
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device->selection_data_source->cancel(device->selection_data_source);
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wl_list_remove(&device->selection_data_source_listener.link);
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device->selection_data_source = NULL;
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}
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device->selection_data_source = source;
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focus = device->keyboard_focus_resource;
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if (focus) {
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data_device = find_resource(&device->drag_resource_list,
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focus->client);
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if (data_device) {
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offer = wl_data_source_send_offer(device->selection_data_source,
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data_device);
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wl_resource_post_event(data_device,
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WL_DATA_DEVICE_SELECTION,
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offer);
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}
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}
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wl_list_for_each_safe(listener, next,
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&device->selection_listener_list, link)
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listener->func(listener, device);
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device->selection_data_source_listener.func =
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destroy_selection_data_source;
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wl_list_insert(source->resource.destroy_listener_list.prev,
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&device->selection_data_source_listener.link);
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}
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static void
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data_device_set_selection(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *source_resource, uint32_t time)
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{
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if (!source_resource)
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return;
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wl_input_device_set_selection(resource->data,
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source_resource->data, time);
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}
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static const struct wl_data_device_interface data_device_interface = {
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data_device_start_drag,
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data_device_attach,
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data_device_set_selection,
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};
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static void
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destroy_data_source(struct wl_resource *resource)
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{
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struct wl_data_source *source =
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container_of(resource, struct wl_data_source, resource);
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char **p, **end;
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end = source->mime_types.data + source->mime_types.size;
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for (p = source->mime_types.data; p < end; p++)
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free(*p);
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wl_array_release(&source->mime_types);
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source->resource.object.id = 0;
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}
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static void
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create_data_source(struct wl_client *client,
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struct wl_resource *resource, uint32_t id)
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{
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struct wl_data_source *source;
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source = malloc(sizeof *source);
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if (source == NULL) {
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wl_resource_post_no_memory(resource);
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return;
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}
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source->resource.destroy = destroy_data_source;
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source->resource.object.id = id;
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source->resource.object.interface = &wl_data_source_interface;
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source->resource.object.implementation =
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(void (**)(void)) &data_source_interface;
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source->resource.data = source;
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wl_list_init(&source->resource.destroy_listener_list);
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source->offer_interface = &data_offer_interface;
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source->cancel = data_source_cancel;
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wl_array_init(&source->mime_types);
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wl_client_add_resource(client, &source->resource);
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}
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static void unbind_data_device(struct wl_resource *resource)
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{
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wl_list_remove(&resource->link);
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free(resource);
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}
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static void
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get_data_device(struct wl_client *client,
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struct wl_resource *manager_resource,
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uint32_t id, struct wl_resource *input_device)
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{
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struct wl_input_device *device = input_device->data;
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struct wl_resource *resource;
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resource =
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wl_client_add_object(client, &wl_data_device_interface,
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&data_device_interface, id, device);
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wl_list_insert(&device->drag_resource_list, &resource->link);
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resource->destroy = unbind_data_device;
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}
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static const struct wl_data_device_manager_interface manager_interface = {
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create_data_source,
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get_data_device
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};
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static void
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bind_manager(struct wl_client *client,
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void *data, uint32_t version, uint32_t id)
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{
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wl_client_add_object(client, &wl_data_device_manager_interface,
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&manager_interface, id, NULL);
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}
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WL_EXPORT void
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wl_data_device_set_keyboard_focus(struct wl_input_device *device)
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{
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struct wl_resource *data_device, *focus, *offer;
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struct wl_data_source *source;
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focus = device->keyboard_focus_resource;
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if (!focus)
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return;
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data_device = find_resource(&device->drag_resource_list,
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focus->client);
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if (!data_device)
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return;
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source = device->selection_data_source;
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if (source) {
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offer = wl_data_source_send_offer(source, data_device);
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wl_resource_post_event(data_device,
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WL_DATA_DEVICE_SELECTION, offer);
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}
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}
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WL_EXPORT int
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wl_data_device_manager_init(struct wl_display *display)
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{
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if (wl_display_add_global(display,
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&wl_data_device_manager_interface,
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NULL, bind_manager) == NULL)
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return -1;
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return 0;
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}
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@ -477,6 +477,10 @@ wl_input_device_init(struct wl_input_device *device)
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device->default_grab.input_device = device;
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device->grab = &device->default_grab;
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wl_list_init(&device->drag_resource_list);
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device->selection_data_source = NULL;
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wl_list_init(&device->selection_listener_list);
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device->x = 100;
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device->y = 100;
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}
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@ -162,6 +162,26 @@ struct wl_grab {
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int32_t x, y;
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};
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struct wl_data_offer {
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struct wl_resource resource;
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struct wl_data_source *source;
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struct wl_listener source_destroy_listener;
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||||
};
|
||||
|
||||
struct wl_data_source {
|
||||
struct wl_resource resource;
|
||||
struct wl_array mime_types;
|
||||
|
||||
const struct wl_data_offer_interface *offer_interface;
|
||||
void (*cancel)(struct wl_data_source *source);
|
||||
};
|
||||
|
||||
struct wl_selection_listener {
|
||||
void (*func)(struct wl_selection_listener *listener,
|
||||
struct wl_input_device *device);
|
||||
struct wl_list link;
|
||||
};
|
||||
|
||||
struct wl_input_device {
|
||||
struct wl_list resource_list;
|
||||
struct wl_resource *pointer_focus_resource;
|
||||
|
|
@ -185,6 +205,18 @@ struct wl_input_device {
|
|||
int32_t grab_x, grab_y;
|
||||
uint32_t grab_button;
|
||||
struct wl_listener grab_listener;
|
||||
|
||||
struct wl_list drag_resource_list;
|
||||
struct wl_data_source *drag_data_source;
|
||||
struct wl_surface *drag_focus;
|
||||
struct wl_resource *drag_focus_resource;
|
||||
struct wl_listener drag_focus_listener;
|
||||
struct wl_grab drag_grab;
|
||||
|
||||
struct wl_data_source *selection_data_source;
|
||||
struct wl_listener selection_data_source_listener;
|
||||
struct wl_list selection_listener_list;
|
||||
|
||||
};
|
||||
|
||||
/*
|
||||
|
|
@ -243,6 +275,10 @@ void
|
|||
wl_input_device_set_keyboard_focus(struct wl_input_device *device,
|
||||
struct wl_surface *surface,
|
||||
uint32_t time);
|
||||
void
|
||||
wl_data_device_set_keyboard_focus(struct wl_input_device *device);
|
||||
int
|
||||
wl_data_device_manager_init(struct wl_display *display);
|
||||
|
||||
void
|
||||
wl_input_device_end_grab(struct wl_input_device *device, uint32_t time);
|
||||
|
|
@ -250,6 +286,12 @@ void
|
|||
wl_input_device_start_grab(struct wl_input_device *device,
|
||||
struct wl_grab *grab, uint32_t time);
|
||||
|
||||
void
|
||||
wl_input_device_set_selection(struct wl_input_device *device,
|
||||
struct wl_data_source *source,
|
||||
uint32_t time);
|
||||
|
||||
|
||||
struct wl_shm;
|
||||
|
||||
void *
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user