emersion
7 years ago
parent
509d38425c
commit
1e563e7ecf
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#ifndef TYPES_WLR_DATA_DEVICE_H
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#define TYPES_WLR_DATA_DEVICE_H
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#include <wayland-server.h>
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#define DATA_DEVICE_ALL_ACTIONS (WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY | \
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WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | \
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WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK)
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struct wlr_client_data_source {
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struct wlr_data_source source;
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struct wlr_data_source_impl impl;
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struct wl_resource *resource;
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};
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struct wlr_data_offer *data_offer_create(struct wl_client *client,
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struct wlr_data_source *source, uint32_t version);
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void data_offer_update_action(struct wlr_data_offer *offer);
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struct wlr_client_data_source *client_data_source_create(
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struct wl_client *client, uint32_t version, uint32_t id);
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struct wlr_client_data_source *client_data_source_from_resource(
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struct wl_resource *resource);
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struct wlr_data_offer *data_source_send_offer(struct wlr_data_source *source,
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struct wlr_seat_client *target);
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void data_source_notify_finish(struct wlr_data_source *source);
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bool seat_client_start_drag(struct wlr_seat_client *client,
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struct wlr_data_source *source, struct wlr_surface *icon_surface,
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struct wlr_surface *origin, uint32_t serial);
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#endif
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@ -0,0 +1,248 @@
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#define _XOPEN_SOURCE 700
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_data_device.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/util/log.h>
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#include "types/wlr_data_device.h"
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#include "util/signal.h"
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static const struct wl_data_device_interface data_device_impl;
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static struct wlr_seat_client *seat_client_from_data_device_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &wl_data_device_interface,
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&data_device_impl));
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return wl_resource_get_user_data(resource);
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}
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static void data_device_set_selection(struct wl_client *client,
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struct wl_resource *device_resource,
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struct wl_resource *source_resource, uint32_t serial) {
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struct wlr_client_data_source *source = NULL;
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if (source_resource != NULL) {
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source = client_data_source_from_resource(source_resource);
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}
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struct wlr_seat_client *seat_client =
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seat_client_from_data_device_resource(device_resource);
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struct wlr_data_source *wlr_source = (struct wlr_data_source *)source;
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wlr_seat_set_selection(seat_client->seat, wlr_source, serial);
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}
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static void data_device_start_drag(struct wl_client *client,
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struct wl_resource *device_resource,
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struct wl_resource *source_resource,
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struct wl_resource *origin_resource, struct wl_resource *icon_resource,
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uint32_t serial) {
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struct wlr_seat_client *seat_client =
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seat_client_from_data_device_resource(device_resource);
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struct wlr_surface *origin = wlr_surface_from_resource(origin_resource);
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struct wlr_data_source *source = NULL;
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struct wlr_surface *icon = NULL;
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if (source_resource) {
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struct wlr_client_data_source *client_source =
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client_data_source_from_resource(source_resource);
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source = (struct wlr_data_source *)client_source;
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}
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if (icon_resource) {
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icon = wlr_surface_from_resource(icon_resource);
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}
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if (icon) {
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if (wlr_surface_set_role(icon, "wl_data_device-icon",
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icon_resource, WL_DATA_DEVICE_ERROR_ROLE) < 0) {
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return;
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}
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}
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if (!seat_client_start_drag(seat_client, source, icon, origin, serial)) {
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wl_resource_post_no_memory(device_resource);
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return;
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}
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if (source) {
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source->seat_client = seat_client;
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}
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}
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static void data_device_release(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static const struct wl_data_device_interface data_device_impl = {
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.start_drag = data_device_start_drag,
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.set_selection = data_device_set_selection,
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.release = data_device_release,
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};
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static void data_device_destroy(struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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void wlr_seat_client_send_selection(struct wlr_seat_client *seat_client) {
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if (wl_list_empty(&seat_client->data_devices)) {
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return;
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}
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if (seat_client->seat->selection_source) {
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struct wlr_data_offer *offer = data_source_send_offer(
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seat_client->seat->selection_source, seat_client);
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if (offer == NULL) {
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return;
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}
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struct wl_resource *resource;
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wl_resource_for_each(resource, &seat_client->data_devices) {
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wl_data_device_send_selection(resource, offer->resource);
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}
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} else {
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struct wl_resource *resource;
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wl_resource_for_each(resource, &seat_client->data_devices) {
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wl_data_device_send_selection(resource, NULL);
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}
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}
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}
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static void seat_client_selection_source_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_seat *seat =
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wl_container_of(listener, seat, selection_source_destroy);
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struct wlr_seat_client *seat_client = seat->keyboard_state.focused_client;
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if (seat_client && seat->keyboard_state.focused_surface) {
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struct wl_resource *resource;
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wl_resource_for_each(resource, &seat_client->data_devices) {
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wl_data_device_send_selection(resource, NULL);
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}
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}
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seat->selection_source = NULL;
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wlr_signal_emit_safe(&seat->events.selection, seat);
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}
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void wlr_seat_set_selection(struct wlr_seat *seat,
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struct wlr_data_source *source, uint32_t serial) {
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if (seat->selection_source &&
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seat->selection_serial - serial < UINT32_MAX / 2) {
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return;
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}
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if (seat->selection_source) {
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wl_list_remove(&seat->selection_source_destroy.link);
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wlr_data_source_cancel(seat->selection_source);
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seat->selection_source = NULL;
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}
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seat->selection_source = source;
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seat->selection_serial = serial;
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struct wlr_seat_client *focused_client =
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seat->keyboard_state.focused_client;
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if (focused_client) {
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wlr_seat_client_send_selection(focused_client);
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}
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wlr_signal_emit_safe(&seat->events.selection, seat);
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if (source) {
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seat->selection_source_destroy.notify =
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seat_client_selection_source_destroy;
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wl_signal_add(&source->events.destroy,
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&seat->selection_source_destroy);
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}
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}
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static void data_device_manager_get_data_device(struct wl_client *client,
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struct wl_resource *manager_resource, uint32_t id,
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struct wl_resource *seat_resource) {
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struct wlr_seat_client *seat_client =
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wlr_seat_client_from_resource(seat_resource);
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struct wl_resource *resource = wl_resource_create(client,
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&wl_data_device_interface, wl_resource_get_version(manager_resource),
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id);
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if (resource == NULL) {
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wl_resource_post_no_memory(manager_resource);
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return;
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}
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wl_resource_set_implementation(resource, &data_device_impl, seat_client,
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&data_device_destroy);
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wl_list_insert(&seat_client->data_devices, wl_resource_get_link(resource));
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}
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static void data_device_manager_create_data_source(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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client_data_source_create(client, wl_resource_get_version(resource), id);
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}
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static const struct wl_data_device_manager_interface
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data_device_manager_impl = {
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.create_data_source = data_device_manager_create_data_source,
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.get_data_device = data_device_manager_get_data_device,
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};
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static void data_device_manager_bind(struct wl_client *client,
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void *data, uint32_t version, uint32_t id) {
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struct wl_resource *resource = wl_resource_create(client,
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&wl_data_device_manager_interface,
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version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &data_device_manager_impl,
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NULL, NULL);
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}
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void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager) {
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if (!manager) {
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return;
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}
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wl_list_remove(&manager->display_destroy.link);
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// TODO: free wl_resources
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wl_global_destroy(manager->global);
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free(manager);
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_data_device_manager *manager =
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wl_container_of(listener, manager, display_destroy);
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wlr_data_device_manager_destroy(manager);
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}
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struct wlr_data_device_manager *wlr_data_device_manager_create(
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struct wl_display *display) {
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struct wlr_data_device_manager *manager =
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calloc(1, sizeof(struct wlr_data_device_manager));
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if (manager == NULL) {
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wlr_log(L_ERROR, "could not create data device manager");
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return NULL;
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}
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manager->global =
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wl_global_create(display, &wl_data_device_manager_interface,
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3, NULL, data_device_manager_bind);
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if (!manager->global) {
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wlr_log(L_ERROR, "could not create data device manager wl global");
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free(manager);
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return NULL;
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}
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manager->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &manager->display_destroy);
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return manager;
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}
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@ -0,0 +1,217 @@
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#define _XOPEN_SOURCE 700
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#include <assert.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_data_device.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/util/log.h>
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#include "types/wlr_data_device.h"
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#include "util/signal.h"
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static const struct wl_data_offer_interface data_offer_impl;
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static struct wlr_data_offer *data_offer_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &wl_data_offer_interface,
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&data_offer_impl));
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return wl_resource_get_user_data(resource);
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}
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static uint32_t data_offer_choose_action(struct wlr_data_offer *offer) {
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uint32_t offer_actions, preferred_action = 0;
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if (wl_resource_get_version(offer->resource) >=
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WL_DATA_OFFER_ACTION_SINCE_VERSION) {
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offer_actions = offer->actions;
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preferred_action = offer->preferred_action;
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} else {
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offer_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
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}
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uint32_t source_actions;
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if (offer->source->actions >= 0) {
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source_actions = offer->source->actions;
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} else {
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source_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
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}
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uint32_t available_actions = offer_actions & source_actions;
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if (!available_actions) {
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return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
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}
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if (offer->source->seat_client &&
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offer->source->compositor_action & available_actions) {
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return offer->source->compositor_action;
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}
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// If the dest side has a preferred DnD action, use it
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if ((preferred_action & available_actions) != 0) {
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return preferred_action;
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}
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// Use the first found action, in bit order
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return 1 << (ffs(available_actions) - 1);
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}
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void data_offer_update_action(struct wlr_data_offer *offer) {
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if (!offer->source) {
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return;
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}
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uint32_t action = data_offer_choose_action(offer);
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if (offer->source->current_dnd_action == action) {
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return;
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}
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offer->source->current_dnd_action = action;
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if (offer->in_ask) {
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return;
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}
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wlr_data_source_dnd_action(offer->source, action);
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if (wl_resource_get_version(offer->resource) >=
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WL_DATA_OFFER_ACTION_SINCE_VERSION) {
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wl_data_offer_send_action(offer->resource, action);
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}
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}
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static void data_offer_accept(struct wl_client *client,
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struct wl_resource *resource, uint32_t serial, const char *mime_type) {
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struct wlr_data_offer *offer = data_offer_from_resource(resource);
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if (!offer->source || offer != offer->source->offer) {
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return;
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}
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// TODO check that client is currently focused by the input device
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wlr_data_source_accept(offer->source, serial, mime_type);
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}
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static void data_offer_receive(struct wl_client *client,
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struct wl_resource *resource, const char *mime_type, int32_t fd) {
|
||||||
|
struct wlr_data_offer *offer = data_offer_from_resource(resource);
|
||||||
|
|
||||||
|
if (offer->source && offer == offer->source->offer) {
|
||||||
|
wlr_data_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 void data_offer_finish(struct wl_client *client,
|
||||||
|
struct wl_resource *resource) {
|
||||||
|
struct wlr_data_offer *offer = data_offer_from_resource(resource);
|
||||||
|
|
||||||
|
if (!offer->source || offer->source->offer != offer) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
data_source_notify_finish(offer->source);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void data_offer_set_actions(struct wl_client *client,
|
||||||
|
struct wl_resource *resource, uint32_t actions,
|
||||||
|
uint32_t preferred_action) {
|
||||||
|
struct wlr_data_offer *offer = data_offer_from_resource(resource);
|
||||||
|
|
||||||
|
if (actions & ~DATA_DEVICE_ALL_ACTIONS) {
|
||||||
|
wl_resource_post_error(offer->resource,
|
||||||
|
WL_DATA_OFFER_ERROR_INVALID_ACTION_MASK,
|
||||||
|
"invalid action mask %x", actions);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (preferred_action && (!(preferred_action & actions) ||
|
||||||
|
__builtin_popcount(preferred_action) > 1)) {
|
||||||
|
wl_resource_post_error(offer->resource,
|
||||||
|
WL_DATA_OFFER_ERROR_INVALID_ACTION,
|
||||||
|
"invalid action %x", preferred_action);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
offer->actions = actions;
|
||||||
|
offer->preferred_action = preferred_action;
|
||||||
|
|
||||||
|
data_offer_update_action(offer);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void data_offer_resource_destroy(struct wl_resource *resource) {
|
||||||
|
struct wlr_data_offer *offer = data_offer_from_resource(resource);
|
||||||
|
|
||||||
|
if (!offer->source) {
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
wl_list_remove(&offer->source_destroy.link);
|
||||||
|
|
||||||
|
if (offer->source->offer != offer) {
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
// If the drag destination has version < 3, wl_data_offer.finish
|
||||||
|
// won't be called, so do this here as a safety net, because
|
||||||
|
// we still want the version >= 3 drag source to be happy.
|
||||||
|
if (wl_resource_get_version(offer->resource) <
|
||||||
|
WL_DATA_OFFER_ACTION_SINCE_VERSION) {
|
||||||
|
data_source_notify_finish(offer->source);
|
||||||
|
offer->source->offer = NULL;
|
||||||
|
} else if (offer->source->impl->dnd_finish) {
|
||||||
|
// source->cancel can free the source
|
||||||
|
offer->source->offer = NULL;
|
||||||
|
wlr_data_source_cancel(offer->source);
|
||||||
|
} else {
|
||||||
|
offer->source->offer = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
out:
|
||||||
|
free(offer);
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct wl_data_offer_interface data_offer_impl = {
|
||||||
|
.accept = data_offer_accept,
|
||||||
|
.receive = data_offer_receive,
|
||||||
|
.destroy = data_offer_destroy,
|
||||||
|
.finish = data_offer_finish,
|
||||||
|
.set_actions = data_offer_set_actions,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void handle_offer_source_destroyed(struct wl_listener *listener,
|
||||||
|
void *data) {
|
||||||
|
struct wlr_data_offer *offer =
|
||||||
|
wl_container_of(listener, offer, source_destroy);
|
||||||
|
|
||||||
|
offer->source = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wlr_data_offer *data_offer_create(struct wl_client *client,
|
||||||
|
struct wlr_data_source *source, uint32_t version) {
|
||||||
|
struct wlr_data_offer *offer = calloc(1, sizeof(struct wlr_data_offer));
|
||||||
|
if (offer == NULL) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
offer->source = source;
|
||||||
|
|
||||||
|
offer->resource = wl_resource_create(client,
|
||||||
|
&wl_data_offer_interface, version, 0);
|
||||||
|
if (offer->resource == NULL) {
|
||||||
|
free(offer);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
wl_resource_set_implementation(offer->resource, &data_offer_impl, offer,
|
||||||
|
data_offer_resource_destroy);
|
||||||
|
|
||||||
|
offer->source_destroy.notify = handle_offer_source_destroyed;
|
||||||
|
wl_signal_add(&source->events.destroy, &offer->source_destroy);
|
||||||
|
|
||||||
|
return offer;
|
||||||
|
}
|
||||||
@ -0,0 +1,288 @@
|
|||||||
|
#define _XOPEN_SOURCE 700
|
||||||
|
#include <assert.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <strings.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <wayland-server.h>
|
||||||
|
#include <wlr/types/wlr_data_device.h>
|
||||||
|
#include <wlr/types/wlr_seat.h>
|
||||||
|
#include <wlr/util/log.h>
|
||||||
|
#include "types/wlr_data_device.h"
|
||||||
|
#include "util/signal.h"
|
||||||
|
|
||||||
|
void data_source_notify_finish(struct wlr_data_source *source) {
|
||||||
|
assert(source->offer);
|
||||||
|
if (source->actions < 0) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (source->offer->in_ask) {
|
||||||
|
wlr_data_source_dnd_action(source, source->current_dnd_action);
|
||||||
|
}
|
||||||
|
|
||||||
|
source->offer = NULL;
|
||||||
|
wlr_data_source_dnd_finish(source);
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wlr_data_offer *data_source_send_offer(struct wlr_data_source *source,
|
||||||
|
struct wlr_seat_client *target) {
|
||||||
|
if (wl_list_empty(&target->data_devices)) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
uint32_t version = wl_resource_get_version(
|
||||||
|
wl_resource_from_link(target->data_devices.next));
|
||||||
|
|
||||||
|
struct wlr_data_offer *offer =
|
||||||
|
data_offer_create(target->client, source, version);
|
||||||
|
if (offer == NULL) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wl_resource *target_resource;
|
||||||
|
wl_resource_for_each(target_resource, &target->data_devices) {
|
||||||
|
wl_data_device_send_data_offer(target_resource, offer->resource);
|
||||||
|
}
|
||||||
|
|
||||||
|
char **p;
|
||||||
|
wl_array_for_each(p, &source->mime_types) {
|
||||||
|
wl_data_offer_send_offer(offer->resource, *p);
|
||||||
|
}
|
||||||
|
|
||||||
|
source->offer = offer;
|
||||||
|
source->accepted = false;
|
||||||
|
return offer;
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_init(struct wlr_data_source *source,
|
||||||
|
const struct wlr_data_source_impl *impl) {
|
||||||
|
assert(impl->send);
|
||||||
|
|
||||||
|
source->impl = impl;
|
||||||
|
wl_array_init(&source->mime_types);
|
||||||
|
wl_signal_init(&source->events.destroy);
|
||||||
|
source->actions = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_finish(struct wlr_data_source *source) {
|
||||||
|
if (source == NULL) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
wlr_signal_emit_safe(&source->events.destroy, source);
|
||||||
|
|
||||||
|
char **p;
|
||||||
|
wl_array_for_each(p, &source->mime_types) {
|
||||||
|
free(*p);
|
||||||
|
}
|
||||||
|
wl_array_release(&source->mime_types);
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_send(struct wlr_data_source *source, const char *mime_type,
|
||||||
|
int32_t fd) {
|
||||||
|
source->impl->send(source, mime_type, fd);
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_accept(struct wlr_data_source *source, uint32_t serial,
|
||||||
|
const char *mime_type) {
|
||||||
|
source->accepted = (mime_type != NULL);
|
||||||
|
if (source->impl->accept) {
|
||||||
|
source->impl->accept(source, serial, mime_type);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_cancel(struct wlr_data_source *source) {
|
||||||
|
if (source->impl->cancel) {
|
||||||
|
source->impl->cancel(source);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_dnd_drop(struct wlr_data_source *source) {
|
||||||
|
if (source->impl->dnd_drop) {
|
||||||
|
source->impl->dnd_drop(source);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_dnd_finish(struct wlr_data_source *source) {
|
||||||
|
if (source->impl->dnd_finish) {
|
||||||
|
source->impl->dnd_finish(source);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void wlr_data_source_dnd_action(struct wlr_data_source *source,
|
||||||
|
enum wl_data_device_manager_dnd_action action) {
|
||||||
|
source->current_dnd_action = action;
|
||||||
|
if (source->impl->dnd_action) {
|
||||||
|
source->impl->dnd_action(source, action);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static const struct wl_data_source_interface data_source_impl;
|
||||||
|
|
||||||
|
struct wlr_client_data_source *client_data_source_from_resource(
|
||||||
|
struct wl_resource *resource) {
|
||||||
|
assert(wl_resource_instance_of(resource, &wl_data_source_interface,
|
||||||
|
&data_source_impl));
|
||||||
|
return wl_resource_get_user_data(resource);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_data_source_accept(struct wlr_data_source *wlr_source,
|
||||||
|
uint32_t serial, const char *mime_type);
|
||||||
|
|
||||||
|
static struct wlr_client_data_source *client_data_source_from_wlr_data_source(
|
||||||
|
struct wlr_data_source *wlr_source) {
|
||||||
|
assert(wlr_source->impl->accept == client_data_source_accept);
|
||||||
|
return (struct wlr_client_data_source *)wlr_source;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_data_source_accept(struct wlr_data_source *wlr_source,
|
||||||
|
uint32_t serial, const char *mime_type) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_wlr_data_source(wlr_source);
|
||||||
|
wl_data_source_send_target(source->resource, mime_type);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_data_source_send(struct wlr_data_source *wlr_source,
|
||||||
|
const char *mime_type, int32_t fd) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_wlr_data_source(wlr_source);
|
||||||
|
wl_data_source_send_send(source->resource, mime_type, fd);
|
||||||
|
close(fd);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_data_source_cancel(struct wlr_data_source *wlr_source) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_wlr_data_source(wlr_source);
|
||||||
|
wl_data_source_send_cancelled(source->resource);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_data_source_dnd_drop(struct wlr_data_source *wlr_source) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_wlr_data_source(wlr_source);
|
||||||
|
assert(wl_resource_get_version(source->resource) >=
|
||||||
|
WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION);
|
||||||
|
wl_data_source_send_dnd_drop_performed(source->resource);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_data_source_dnd_finish(struct wlr_data_source *wlr_source) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_wlr_data_source(wlr_source);
|
||||||
|
assert(wl_resource_get_version(source->resource) >=
|
||||||
|
WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION);
|
||||||
|
wl_data_source_send_dnd_finished(source->resource);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void client_data_source_dnd_action(struct wlr_data_source *wlr_source,
|
||||||
|
enum wl_data_device_manager_dnd_action action) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_wlr_data_source(wlr_source);
|
||||||
|
assert(wl_resource_get_version(source->resource) >=
|
||||||
|
WL_DATA_SOURCE_ACTION_SINCE_VERSION);
|
||||||
|
wl_data_source_send_action(source->resource, action);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void data_source_destroy(struct wl_client *client,
|
||||||
|
struct wl_resource *resource) {
|
||||||
|
wl_resource_destroy(resource);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void data_source_set_actions(struct wl_client *client,
|
||||||
|
struct wl_resource *resource, uint32_t dnd_actions) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_resource(resource);
|
||||||
|
|
||||||
|
if (source->source.actions >= 0) {
|
||||||
|
wl_resource_post_error(source->resource,
|
||||||
|
WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
|
||||||
|
"cannot set actions more than once");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (dnd_actions & ~DATA_DEVICE_ALL_ACTIONS) {
|
||||||
|
wl_resource_post_error(source->resource,
|
||||||
|
WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
|
||||||
|
"invalid action mask %x", dnd_actions);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (source->source.seat_client) {
|
||||||
|
wl_resource_post_error(source->resource,
|
||||||
|
WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
|
||||||
|
"invalid action change after "
|
||||||
|
"wl_data_device.start_drag");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
source->source.actions = dnd_actions;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void data_source_offer(struct wl_client *client,
|
||||||
|
struct wl_resource *resource, const char *mime_type) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_resource(resource);
|
||||||
|
|
||||||
|
char **p = wl_array_add(&source->source.mime_types, sizeof(*p));
|
||||||
|
if (p) {
|
||||||
|
*p = strdup(mime_type);
|
||||||
|
}
|
||||||
|
if (!p || !*p) {
|
||||||
|
if (p) {
|
||||||
|
source->source.mime_types.size -= sizeof(*p);
|
||||||
|
}
|
||||||
|
wl_resource_post_no_memory(resource);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct wl_data_source_interface data_source_impl = {
|
||||||
|
.offer = data_source_offer,
|
||||||
|
.destroy = data_source_destroy,
|
||||||
|
.set_actions = data_source_set_actions,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void data_source_handle_resource_destroy(struct wl_resource *resource) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
client_data_source_from_resource(resource);
|
||||||
|
wlr_data_source_finish(&source->source);
|
||||||
|
free(source);
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wlr_client_data_source *client_data_source_create(
|
||||||
|
struct wl_client *client, uint32_t version, uint32_t id) {
|
||||||
|
struct wlr_client_data_source *source =
|
||||||
|
calloc(1, sizeof(struct wlr_client_data_source));
|
||||||
|
if (source == NULL) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
source->resource = wl_resource_create(client, &wl_data_source_interface,
|
||||||
|
version, id);
|
||||||
|
if (source->resource == NULL) {
|
||||||
|
wl_resource_post_no_memory(source->resource);
|
||||||
|
free(source);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
wl_resource_set_implementation(source->resource, &data_source_impl,
|
||||||
|
source, data_source_handle_resource_destroy);
|
||||||
|
|
||||||
|
source->impl.accept = client_data_source_accept;
|
||||||
|
source->impl.send = client_data_source_send;
|
||||||
|
source->impl.cancel = client_data_source_cancel;
|
||||||
|
|
||||||
|
if (wl_resource_get_version(source->resource) >=
|
||||||
|
WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION) {
|
||||||
|
source->impl.dnd_drop = client_data_source_dnd_drop;
|
||||||
|
}
|
||||||
|
if (wl_resource_get_version(source->resource) >=
|
||||||
|
WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
|
||||||
|
source->impl.dnd_finish = client_data_source_dnd_finish;
|
||||||
|
}
|
||||||
|
if (wl_resource_get_version(source->resource) >=
|
||||||
|
WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
|
||||||
|
source->impl.dnd_action = client_data_source_dnd_action;
|
||||||
|
}
|
||||||
|
|
||||||
|
wlr_data_source_init(&source->source, &source->impl);
|
||||||
|
return source;
|
||||||
|
}
|
||||||
@ -0,0 +1,481 @@
|
|||||||
|
#define _XOPEN_SOURCE 700
|
||||||
|
#include <assert.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <strings.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <wayland-server.h>
|
||||||
|
#include <wlr/types/wlr_data_device.h>
|
||||||
|
#include <wlr/types/wlr_seat.h>
|
||||||
|
#include <wlr/util/log.h>
|
||||||
|
#include "types/wlr_data_device.h"
|
||||||
|
#include "util/signal.h"
|
||||||
|
|
||||||
|
static void drag_handle_seat_client_destroy(struct wl_listener *listener,
|
||||||
|
void *data) {
|
||||||
|
struct wlr_drag *drag =
|
||||||
|
wl_container_of(listener, drag, seat_client_destroy);
|
||||||
|
|
||||||
|
drag->focus_client = NULL;
|
||||||
|
wl_list_remove(&drag->seat_client_destroy.link);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_set_focus(struct wlr_drag *drag,
|
||||||
|
struct wlr_surface *surface, double sx, double sy) {
|
||||||
|
if (drag->focus == surface) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (drag->focus_client) {
|
||||||
|
wl_list_remove(&drag->seat_client_destroy.link);
|
||||||
|
|
||||||
|
struct wl_resource *resource;
|
||||||
|
wl_resource_for_each(resource, &drag->focus_client->data_devices) {
|
||||||
|
wl_data_device_send_leave(resource);
|
||||||
|
}
|
||||||
|
|
||||||
|
drag->focus_client = NULL;
|
||||||
|
drag->focus = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!surface || !surface->resource) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!drag->source &&
|
||||||
|
wl_resource_get_client(surface->resource) !=
|
||||||
|
wl_resource_get_client(drag->seat_client->wl_resource)) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (drag->source && drag->source->offer) {
|
||||||
|
// unlink the offer from the source
|
||||||
|
wl_list_remove(&drag->source->offer->source_destroy.link);
|
||||||
|
drag->source->offer->source = NULL;
|
||||||
|
drag->source->offer = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wlr_seat_client *focus_client = wlr_seat_client_for_wl_client(
|
||||||
|
drag->seat_client->seat, wl_resource_get_client(surface->resource));
|
||||||
|
if (!focus_client) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wl_resource *offer_resource = NULL;
|
||||||
|
if (drag->source) {
|
||||||
|
drag->source->accepted = false;
|
||||||
|
struct wlr_data_offer *offer = data_source_send_offer(drag->source,
|
||||||
|
focus_client);
|
||||||
|
if (offer != NULL) {
|
||||||
|
data_offer_update_action(offer);
|
||||||
|
|
||||||
|
if (wl_resource_get_version(offer->resource) >=
|
||||||
|
WL_DATA_OFFER_SOURCE_ACTIONS_SINCE_VERSION) {
|
||||||
|
wl_data_offer_send_source_actions(offer->resource,
|
||||||
|
drag->source->actions);
|
||||||
|
}
|
||||||
|
|
||||||
|
offer_resource = offer->resource;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!wl_list_empty(&focus_client->data_devices)) {
|
||||||
|
uint32_t serial =
|
||||||
|
wl_display_next_serial(drag->seat_client->seat->display);
|
||||||
|
struct wl_resource *resource;
|
||||||
|
wl_resource_for_each(resource, &focus_client->data_devices) {
|
||||||
|
wl_data_device_send_enter(resource, serial, surface->resource,
|
||||||
|
wl_fixed_from_double(sx), wl_fixed_from_double(sy),
|
||||||
|
offer_resource);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
drag->focus = surface;
|
||||||
|
drag->focus_client = focus_client;
|
||||||
|
drag->seat_client_destroy.notify = drag_handle_seat_client_destroy;
|
||||||
|
wl_signal_add(&focus_client->events.destroy, &drag->seat_client_destroy);
|
||||||
|
|
||||||
|
wlr_signal_emit_safe(&drag->events.focus, drag);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_end(struct wlr_drag *drag) {
|
||||||
|
if (!drag->cancelling) {
|
||||||
|
drag->cancelling = true;
|
||||||
|
if (drag->is_pointer_grab) {
|
||||||
|
wlr_seat_pointer_end_grab(drag->seat);
|
||||||
|
} else {
|
||||||
|
wlr_seat_touch_end_grab(drag->seat);
|
||||||
|
}
|
||||||
|
wlr_seat_keyboard_end_grab(drag->seat);
|
||||||
|
|
||||||
|
if (drag->source) {
|
||||||
|
wl_list_remove(&drag->source_destroy.link);
|
||||||
|
}
|
||||||
|
|
||||||
|
drag_set_focus(drag, NULL, 0, 0);
|
||||||
|
|
||||||
|
if (drag->icon) {
|
||||||
|
drag->icon->mapped = false;
|
||||||
|
wl_list_remove(&drag->icon_destroy.link);
|
||||||
|
wlr_signal_emit_safe(&drag->icon->events.map, drag->icon);
|
||||||
|
}
|
||||||
|
|
||||||
|
wlr_signal_emit_safe(&drag->events.destroy, drag);
|
||||||
|
free(drag);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_pointer_enter(struct wlr_seat_pointer_grab *grab,
|
||||||
|
struct wlr_surface *surface, double sx, double sy) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
drag_set_focus(drag, surface, sx, sy);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_pointer_motion(struct wlr_seat_pointer_grab *grab,
|
||||||
|
uint32_t time, double sx, double sy) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
if (drag->focus != NULL && drag->focus_client != NULL) {
|
||||||
|
struct wl_resource *resource;
|
||||||
|
wl_resource_for_each(resource, &drag->focus_client->data_devices) {
|
||||||
|
wl_data_device_send_motion(resource, time, wl_fixed_from_double(sx),
|
||||||
|
wl_fixed_from_double(sy));
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wlr_drag_motion_event event = {
|
||||||
|
.drag = drag,
|
||||||
|
.time = time,
|
||||||
|
.sx = sx,
|
||||||
|
.sy = sy,
|
||||||
|
};
|
||||||
|
wlr_signal_emit_safe(&drag->events.motion, &event);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static uint32_t drag_handle_pointer_button(struct wlr_seat_pointer_grab *grab,
|
||||||
|
uint32_t time, uint32_t button, uint32_t state) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
|
||||||
|
if (drag->source &&
|
||||||
|
grab->seat->pointer_state.grab_button == button &&
|
||||||
|
state == WL_POINTER_BUTTON_STATE_RELEASED) {
|
||||||
|
if (drag->focus_client && drag->source->current_dnd_action &&
|
||||||
|
drag->source->accepted) {
|
||||||
|
struct wl_resource *resource;
|
||||||
|
wl_resource_for_each(resource, &drag->focus_client->data_devices) {
|
||||||
|
wl_data_device_send_drop(resource);
|
||||||
|
}
|
||||||
|
wlr_data_source_dnd_drop(drag->source);
|
||||||
|
|
||||||
|
if (drag->source->offer != NULL) {
|
||||||
|
drag->source->offer->in_ask =
|
||||||
|
drag->source->current_dnd_action ==
|
||||||
|
WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct wlr_drag_drop_event event = {
|
||||||
|
.drag = drag,
|
||||||
|
.time = time,
|
||||||
|
};
|
||||||
|
wlr_signal_emit_safe(&drag->events.drop, &event);
|
||||||
|
} else if (drag->source->impl->dnd_finish) {
|
||||||
|
wlr_data_source_cancel(drag->source);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (grab->seat->pointer_state.button_count == 0 &&
|
||||||
|
state == WL_POINTER_BUTTON_STATE_RELEASED) {
|
||||||
|
drag_end(drag);
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_pointer_axis(struct wlr_seat_pointer_grab *grab,
|
||||||
|
uint32_t time, enum wlr_axis_orientation orientation, double value) {
|
||||||
|
// This space is intentionally left blank
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_pointer_cancel(struct wlr_seat_pointer_grab *grab) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
drag_end(drag);
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct wlr_pointer_grab_interface
|
||||||
|
data_device_pointer_drag_interface = {
|
||||||
|
.enter = drag_handle_pointer_enter,
|
||||||
|
.motion = drag_handle_pointer_motion,
|
||||||
|
.button = drag_handle_pointer_button,
|
||||||
|
.axis = drag_handle_pointer_axis,
|
||||||
|
.cancel = drag_handle_pointer_cancel,
|
||||||
|
};
|
||||||
|
|
||||||
|
uint32_t drag_handle_touch_down(struct wlr_seat_touch_grab *grab,
|
||||||
|
uint32_t time, struct wlr_touch_point *point) {
|
||||||
|
// eat the event
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_touch_up(struct wlr_seat_touch_grab *grab,
|
||||||
|
uint32_t time, struct wlr_touch_point *point) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
if (drag->grab_touch_id != point->touch_id) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (drag->focus_client) {
|
||||||
|
struct wl_resource *resource;
|
||||||
|
wl_resource_for_each(resource, &drag->focus_client->data_devices) {
|
||||||
|
wl_data_device_send_drop(resource);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
drag_end(drag);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_touch_motion(struct wlr_seat_touch_grab *grab,
|
||||||
|
uint32_t time, struct wlr_touch_point *point) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
if (drag->focus && drag->focus_client) {
|
||||||
|
struct wl_resource *resource;
|
||||||
|
wl_resource_for_each(resource, &drag->focus_client->data_devices) {
|
||||||
|
wl_data_device_send_motion(resource, time,
|
||||||
|
wl_fixed_from_double(point->sx),
|
||||||
|
wl_fixed_from_double(point->sy));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_touch_enter(struct wlr_seat_touch_grab *grab,
|
||||||
|
uint32_t time, struct wlr_touch_point *point) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
drag_set_focus(drag, point->focus_surface, point->sx, point->sy);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_touch_cancel(struct wlr_seat_touch_grab *grab) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
drag_end(drag);
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct wlr_touch_grab_interface
|
||||||
|
data_device_touch_drag_interface = {
|
||||||
|
.down = drag_handle_touch_down,
|
||||||
|
.up = drag_handle_touch_up,
|
||||||
|
.motion = drag_handle_touch_motion,
|
||||||
|
.enter = drag_handle_touch_enter,
|
||||||
|
.cancel = drag_handle_touch_cancel,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void drag_handle_keyboard_enter(struct wlr_seat_keyboard_grab *grab,
|
||||||
|
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
|
||||||
|
struct wlr_keyboard_modifiers *modifiers) {
|
||||||
|
// nothing has keyboard focus during drags
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_keyboard_key(struct wlr_seat_keyboard_grab *grab,
|
||||||
|
uint32_t time, uint32_t key, uint32_t state) {
|
||||||
|
// no keyboard input during drags
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_keyboard_modifiers(struct wlr_seat_keyboard_grab *grab,
|
||||||
|
struct wlr_keyboard_modifiers *modifiers) {
|
||||||
|
//struct wlr_keyboard *keyboard = grab->seat->keyboard_state.keyboard;
|
||||||
|
// TODO change the dnd action based on what modifier is pressed on the
|
||||||
|
// keyboard
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_keyboard_cancel(struct wlr_seat_keyboard_grab *grab) {
|
||||||
|
struct wlr_drag *drag = grab->data;
|
||||||
|
drag_end(drag);
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct wlr_keyboard_grab_interface
|
||||||
|
data_device_keyboard_drag_interface = {
|
||||||
|
.enter = drag_handle_keyboard_enter,
|
||||||
|
.key = drag_handle_keyboard_key,
|
||||||
|
.modifiers = drag_handle_keyboard_modifiers,
|
||||||
|
.cancel = drag_handle_keyboard_cancel,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void drag_handle_icon_destroy(struct wl_listener *listener, void *data) {
|
||||||
|
struct wlr_drag *drag = wl_container_of(listener, drag, icon_destroy);
|
||||||
|
drag->icon = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_handle_drag_source_destroy(struct wl_listener *listener,
|
||||||
|
void *data) {
|
||||||
|
struct wlr_drag *drag = wl_container_of(listener, drag, source_destroy);
|
||||||
|
drag_end(drag);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void drag_icon_destroy(struct wlr_drag_icon *icon) {
|
||||||
|
if (!icon) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
wlr_signal_emit_safe(&icon->events.destroy, icon);
|
||||||
|
wlr_surface_set_role_committed(icon->surface, NULL, NULL);
|
||||||
|
wl_list_remove(&icon->surface_destroy.link);
|
||||||
|
wl_list_remove(&icon->seat_client_destroy.link);
|
||||||
|
wl_list_remove(&icon->link);
|
||||||
|
free(icon);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_icon_handle_surface_destroy(struct wl_listener *listener,
|
||||||
|
void *data) {
|
||||||
|
struct wlr_drag_icon *icon =
|
||||||
|
wl_container_of(listener, icon, surface_destroy);
|
||||||
|
drag_icon_destroy(icon);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_icon_handle_surface_commit(struct wlr_surface *surface,
|
||||||
|
void *role_data) {
|
||||||
|
struct wlr_drag_icon *icon = role_data;
|
||||||
|
icon->sx += icon->surface->current->sx;
|
||||||
|
icon->sy += icon->surface->current->sy;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void drag_icon_handle_seat_client_destroy(struct wl_listener *listener,
|
||||||
|
void *data) {
|
||||||
|
struct wlr_drag_icon *icon =
|
||||||
|
wl_container_of(listener, icon, seat_client_destroy);
|
||||||
|
|
||||||
|
drag_icon_destroy(icon);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct wlr_drag_icon *drag_icon_create(
|
||||||
|
struct wlr_surface *icon_surface, struct wlr_seat_client *client,
|
||||||
|
bool is_pointer, int32_t touch_id) {
|
||||||
|
struct wlr_drag_icon *icon = calloc(1, sizeof(struct wlr_drag_icon));
|
||||||
|
if (!icon) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
icon->surface = icon_surface;
|
||||||
|
icon->client = client;
|
||||||
|
icon->is_pointer = is_pointer;
|
||||||
|
icon->touch_id = touch_id;
|
||||||
|
icon->mapped = true;
|
||||||
|
|
||||||
|
wl_signal_init(&icon->events.map);
|
||||||
|
wl_signal_init(&icon->events.destroy);
|
||||||
|
|
||||||
|
wl_signal_add(&icon->surface->events.destroy, &icon->surface_destroy);
|
||||||
|
icon->surface_destroy.notify = drag_icon_handle_surface_destroy;
|
||||||
|
|
||||||
|
wlr_surface_set_role_committed(icon->surface,
|
||||||
|
drag_icon_handle_surface_commit, icon);
|
||||||
|
|
||||||
|
wl_signal_add(&client->events.destroy, &icon->seat_client_destroy);
|
||||||
|
icon->seat_client_destroy.notify = drag_icon_handle_seat_client_destroy;
|
||||||
|
|
||||||
|
wl_list_insert(&client->seat->drag_icons, &icon->link);
|
||||||
|
wlr_signal_emit_safe(&client->seat->events.new_drag_icon, icon);
|
||||||
|
|
||||||
|
return icon;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void seat_handle_drag_source_destroy(struct wl_listener *listener,
|
||||||
|
void *data) {
|
||||||
|
struct wlr_seat *seat =
|
||||||
|
wl_container_of(listener, seat, drag_source_destroy);
|
||||||
|
wl_list_remove(&seat->drag_source_destroy.link);
|
||||||
|
seat->drag_source = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool seat_client_start_drag(struct wlr_seat_client *client,
|
||||||
|
struct wlr_data_source *source, struct wlr_surface *icon_surface,
|
||||||
|
struct wlr_surface *origin, uint32_t serial) {
|
||||||
|
struct wlr_drag *drag = calloc(1, sizeof(struct wlr_drag));
|
||||||
|
if (drag == NULL) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
wl_signal_init(&drag->events.focus);
|
||||||
|
wl_signal_init(&drag->events.motion);
|
||||||
|
wl_signal_init(&drag->events.drop);
|
||||||
|
wl_signal_init(&drag->events.destroy);
|
||||||
|
|
||||||
|
struct wlr_seat *seat = client->seat;
|
||||||
|
drag->seat = seat;
|
||||||
|
|
||||||
|
drag->is_pointer_grab = !wl_list_empty(&client->pointers) &&
|
||||||
|
seat->pointer_state.button_count == 1 &&
|
||||||
|
seat->pointer_state.grab_serial == serial &&
|
||||||
|
seat->pointer_state.focused_surface &&
|
||||||
|
seat->pointer_state.focused_surface == origin;
|
||||||
|
|
||||||
|
bool is_touch_grab = !wl_list_empty(&client->touches) &&
|
||||||
|
wlr_seat_touch_num_points(seat) == 1 &&
|
||||||
|
seat->touch_state.grab_serial == serial;
|
||||||
|
|
||||||
|
// set in the iteration
|
||||||
|
struct wlr_touch_point *point = NULL;
|
||||||
|
if (is_touch_grab) {
|
||||||
|
wl_list_for_each(point, &seat->touch_state.touch_points, link) {
|
||||||
|
is_touch_grab = point->surface && point->surface == origin;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!drag->is_pointer_grab && !is_touch_grab) {
|
||||||
|
free(drag);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (icon_surface) {
|
||||||
|
int32_t touch_id = (point ? point->touch_id : 0);
|
||||||
|
struct wlr_drag_icon *icon =
|
||||||
|
drag_icon_create(icon_surface, client, drag->is_pointer_grab,
|
||||||
|
touch_id);
|
||||||
|
if (!icon) {
|
||||||
|
free(drag);
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
drag->icon = icon;
|
||||||
|
drag->icon_destroy.notify = drag_handle_icon_destroy;
|
||||||
|
wl_signal_add(&icon->events.destroy, &drag->icon_destroy);
|
||||||
|
}
|
||||||
|
|
||||||
|
drag->source = source;
|
||||||
|
if (source != NULL) {
|
||||||
|
drag->source_destroy.notify = drag_handle_drag_source_destroy;
|
||||||
|
wl_signal_add(&source->events.destroy, &drag->source_destroy);
|
||||||
|
}
|
||||||
|
|
||||||
|
drag->seat_client = client;
|
||||||
|
drag->pointer_grab.data = drag;
|
||||||
|
drag->pointer_grab.interface = &data_device_pointer_drag_interface;
|
||||||
|
|
||||||
|
drag->touch_grab.data = drag;
|
||||||
|
drag->touch_grab.interface = &data_device_touch_drag_interface;
|
||||||
|
drag->grab_touch_id = seat->touch_state.grab_id;
|
||||||
|
|
||||||
|
drag->keyboard_grab.data = drag;
|
||||||
|
drag->keyboard_grab.interface = &data_device_keyboard_drag_interface;
|
||||||
|
|
||||||
|
wlr_seat_keyboard_start_grab(seat, &drag->keyboard_grab);
|
||||||
|
|
||||||
|
if (drag->is_pointer_grab) {
|
||||||
|
wlr_seat_pointer_clear_focus(seat);
|
||||||
|
wlr_seat_pointer_start_grab(seat, &drag->pointer_grab);
|
||||||
|
} else {
|
||||||
|
assert(point);
|
||||||
|
wlr_seat_touch_start_grab(seat, &drag->touch_grab);
|
||||||
|
drag_set_focus(drag, point->surface, point->sx, point->sy);
|
||||||
|
}
|
||||||
|
|
||||||
|
seat->drag = drag; // TODO: unset this thing somewhere
|
||||||
|
seat->drag_serial = serial;
|
||||||
|
|
||||||
|
seat->drag_source = source;
|
||||||
|
if (source != NULL) {
|
||||||
|
seat->drag_source_destroy.notify = seat_handle_drag_source_destroy;
|
||||||
|
wl_signal_add(&source->events.destroy, &seat->drag_source_destroy);
|
||||||
|
}
|
||||||
|
|
||||||
|
wlr_signal_emit_safe(&seat->events.start_drag, drag);
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in new issue