102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <wlr/types/wlr_primary_selection.h>
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#include <wlr/util/log.h>
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#include "util/signal.h"
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void wlr_primary_selection_source_init(
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struct wlr_primary_selection_source *source,
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const struct wlr_primary_selection_source_impl *impl) {
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assert(impl->send);
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wl_array_init(&source->mime_types);
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wl_signal_init(&source->events.destroy);
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source->impl = impl;
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}
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void wlr_primary_selection_source_destroy(
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struct wlr_primary_selection_source *source) {
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if (source == NULL) {
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return;
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}
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wlr_signal_emit_safe(&source->events.destroy, source);
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char **p;
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wl_array_for_each(p, &source->mime_types) {
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free(*p);
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}
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wl_array_release(&source->mime_types);
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if (source->impl->destroy) {
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source->impl->destroy(source);
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} else {
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free(source);
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}
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}
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void wlr_primary_selection_source_send(
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struct wlr_primary_selection_source *source, const char *mime_type,
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int32_t fd) {
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source->impl->send(source, mime_type, fd);
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}
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void wlr_seat_request_set_primary_selection(struct wlr_seat *seat,
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struct wlr_seat_client *client,
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struct wlr_primary_selection_source *source, uint32_t serial) {
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if (client && !wlr_seat_client_validate_event_serial(client, serial)) {
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wlr_log(WLR_DEBUG, "Rejecting set_primary_selection request, "
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"serial %"PRIu32" was never given to client", serial);
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return;
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}
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if (seat->primary_selection_source &&
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serial - seat->primary_selection_serial > UINT32_MAX / 2) {
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wlr_log(WLR_DEBUG, "Rejecting set_primary_selection request, "
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"serial indicates superseded (%"PRIu32" < %"PRIu32")",
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serial, seat->primary_selection_serial);
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return;
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}
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struct wlr_seat_request_set_primary_selection_event event = {
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.source = source,
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.serial = serial,
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};
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wlr_signal_emit_safe(&seat->events.request_set_primary_selection, &event);
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}
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static void seat_handle_primary_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, primary_selection_source_destroy);
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wl_list_remove(&seat->primary_selection_source_destroy.link);
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seat->primary_selection_source = NULL;
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wlr_signal_emit_safe(&seat->events.set_primary_selection, seat);
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}
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void wlr_seat_set_primary_selection(struct wlr_seat *seat,
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struct wlr_primary_selection_source *source, uint32_t serial) {
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if (seat->primary_selection_source == source) {
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seat->primary_selection_serial = serial;
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return;
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}
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if (seat->primary_selection_source != NULL) {
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wl_list_remove(&seat->primary_selection_source_destroy.link);
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wlr_primary_selection_source_destroy(seat->primary_selection_source);
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seat->primary_selection_source = NULL;
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}
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seat->primary_selection_source = source;
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seat->primary_selection_serial = serial;
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if (source != NULL) {
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seat->primary_selection_source_destroy.notify =
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seat_handle_primary_selection_source_destroy;
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wl_signal_add(&source->events.destroy,
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&seat->primary_selection_source_destroy);
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}
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wlr_signal_emit_safe(&seat->events.set_primary_selection, seat);
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}
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