This is a common interface that can be used for all primary selection protocols, as discussed in [1]. A new function wlr_seat_set_primary_selection is added to set the primary selection for all protocols. The seat now owns again the source, and resets the selection to NULL when destroyed. [1]: https://github.com/swaywm/wlroots/issues/1367#issuecomment-442403454master
emersion
6 years ago
parent
658b590567
commit
9f0720c03a
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_PRIMARY_SELECTION_H
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#define WLR_TYPES_WLR_PRIMARY_SELECTION_H
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#include <wayland-server.h>
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#include <wlr/types/wlr_seat.h>
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struct wlr_primary_selection_source;
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/**
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* A data source implementation. Only the `send` function is mandatory.
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*/
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struct wlr_primary_selection_source_impl {
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void (*send)(struct wlr_primary_selection_source *source,
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const char *mime_type, int fd);
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void (*destroy)(struct wlr_primary_selection_source *source);
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};
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/**
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* A source is the sending side of a selection.
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*/
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struct wlr_primary_selection_source {
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const struct wlr_primary_selection_source_impl *impl;
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// source metadata
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struct wl_array mime_types;
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struct {
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struct wl_signal destroy;
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} events;
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void *data;
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};
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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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void wlr_primary_selection_source_destroy(
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struct wlr_primary_selection_source *source);
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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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int fd);
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void wlr_seat_set_primary_selection(struct wlr_seat *seat,
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struct wlr_primary_selection_source *source);
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#endif
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#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 "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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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.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) {
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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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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.primary_selection, seat);
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}
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Reference in new issue