299 lines
9.7 KiB
C
299 lines
9.7 KiB
C
#ifndef _POSIX_C_SOURCE
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#define _POSIX_C_SOURCE 200809L
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#endif
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#include <assert.h>
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#include <string.h>
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#include <wayland-util.h>
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#include <wlr/types/wlr_input_method_v2.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/util/log.h>
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#include <xkbcommon/xkbcommon.h>
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#include "input-method-unstable-v2-protocol.h"
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#include "util/signal.h"
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static const struct zwp_input_method_v2_interface input_method_impl;
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static struct wlr_input_method_v2 *input_method_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&zwp_input_method_v2_interface, &input_method_impl));
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return wl_resource_get_user_data(resource);
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}
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static void input_method_destroy(struct wlr_input_method_v2 *input_method) {
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wlr_signal_emit_safe(&input_method->events.destroy, input_method);
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wl_list_remove(&input_method->seat_destroy.link);
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free(input_method->pending.commit_text);
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free(input_method->pending.preedit.text);
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free(input_method->current.commit_text);
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free(input_method->current.preedit.text);
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free(input_method);
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}
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static void input_method_resource_destroy(struct wl_resource *resource) {
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struct wlr_input_method_v2 *input_method =
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input_method_from_resource(resource);
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if (!input_method) {
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return;
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}
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input_method_destroy(input_method);
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}
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static void im_destroy(struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void im_commit(struct wl_client *client, struct wl_resource *resource,
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uint32_t serial) {
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struct wlr_input_method_v2 *input_method =
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input_method_from_resource(resource);
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if (!input_method) {
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return;
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}
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input_method->current = input_method->pending;
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input_method->current_serial = serial;
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struct wlr_input_method_v2_state default_state = {0};
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input_method->pending = default_state;
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wlr_signal_emit_safe(&input_method->events.commit, (void*)input_method);
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}
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static void im_commit_string(struct wl_client *client,
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struct wl_resource *resource, const char *text) {
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struct wlr_input_method_v2 *input_method =
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input_method_from_resource(resource);
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if (!input_method) {
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return;
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}
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free(input_method->pending.commit_text);
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input_method->pending.commit_text = strdup(text);
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}
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static void im_set_preedit_string(struct wl_client *client,
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struct wl_resource *resource, const char *text, int32_t cursor_begin,
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int32_t cursor_end) {
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struct wlr_input_method_v2 *input_method =
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input_method_from_resource(resource);
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if (!input_method) {
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return;
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}
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input_method->pending.preedit.cursor_begin = cursor_begin;
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input_method->pending.preedit.cursor_end = cursor_end;
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free(input_method->pending.preedit.text);
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input_method->pending.preedit.text = strdup(text);
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}
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static void im_delete_surrounding_text(struct wl_client *client,
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struct wl_resource *resource,
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uint32_t before_length, uint32_t after_length) {
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struct wlr_input_method_v2 *input_method =
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input_method_from_resource(resource);
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if (!input_method) {
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return;
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}
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input_method->pending.delete.before_length = before_length;
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input_method->pending.delete.after_length = after_length;
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}
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static void im_get_input_popup_surface(struct wl_client *client,
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struct wl_resource *resource, uint32_t id,
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struct wl_resource *surface) {
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wlr_log(WLR_INFO, "Stub: zwp_input_method_v2::get_input_popup_surface");
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}
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static void im_grab_keyboard(struct wl_client *client,
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struct wl_resource *resource, uint32_t keyboard) {
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wlr_log(WLR_INFO, "Stub: zwp_input_method_v2::grab_keyboard");
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}
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static const struct zwp_input_method_v2_interface input_method_impl = {
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.destroy = im_destroy,
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.commit = im_commit,
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.commit_string = im_commit_string,
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.set_preedit_string = im_set_preedit_string,
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.delete_surrounding_text = im_delete_surrounding_text,
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.get_input_popup_surface = im_get_input_popup_surface,
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.grab_keyboard = im_grab_keyboard,
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};
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void wlr_input_method_v2_send_activate(
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struct wlr_input_method_v2 *input_method) {
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zwp_input_method_v2_send_activate(input_method->resource);
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input_method->active = true;
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}
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void wlr_input_method_v2_send_deactivate(
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struct wlr_input_method_v2 *input_method) {
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zwp_input_method_v2_send_deactivate(input_method->resource);
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input_method->active = false;
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}
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void wlr_input_method_v2_send_surrounding_text(
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struct wlr_input_method_v2 *input_method, const char *text,
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uint32_t cursor, uint32_t anchor) {
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const char *send_text = text;
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if (!send_text) {
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send_text = "";
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}
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zwp_input_method_v2_send_surrounding_text(input_method->resource, send_text,
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cursor, anchor);
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}
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void wlr_input_method_v2_send_text_change_cause(
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struct wlr_input_method_v2 *input_method, uint32_t cause) {
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zwp_input_method_v2_send_text_change_cause(input_method->resource, cause);
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}
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void wlr_input_method_v2_send_content_type(
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struct wlr_input_method_v2 *input_method,
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uint32_t hint, uint32_t purpose) {
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zwp_input_method_v2_send_content_type(input_method->resource, hint,
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purpose);
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}
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void wlr_input_method_v2_send_done(struct wlr_input_method_v2 *input_method) {
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zwp_input_method_v2_send_done(input_method->resource);
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input_method->client_active = input_method->active;
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input_method->current_serial++;
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}
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void wlr_input_method_v2_send_unavailable(
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struct wlr_input_method_v2 *input_method) {
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zwp_input_method_v2_send_unavailable(input_method->resource);
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struct wl_resource *resource = input_method->resource;
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input_method_destroy(input_method);
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wl_resource_set_user_data(resource, NULL);
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}
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static const struct zwp_input_method_manager_v2_interface
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input_method_manager_impl;
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static struct wlr_input_method_manager_v2 *input_method_manager_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&zwp_input_method_manager_v2_interface, &input_method_manager_impl));
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return wl_resource_get_user_data(resource);
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}
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static void input_method_handle_seat_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_input_method_v2 *input_method = wl_container_of(listener,
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input_method, seat_destroy);
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wlr_input_method_v2_send_unavailable(input_method);
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}
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static void manager_get_input_method(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *seat,
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uint32_t input_method_id) {
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struct wlr_input_method_manager_v2 *im_manager =
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input_method_manager_from_resource(resource);
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struct wlr_input_method_v2 *input_method = calloc(1,
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sizeof(struct wlr_input_method_v2));
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if (!input_method) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_signal_init(&input_method->events.commit);
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wl_signal_init(&input_method->events.destroy);
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int version = wl_resource_get_version(resource);
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struct wl_resource *im_resource = wl_resource_create(client,
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&zwp_input_method_v2_interface, version, input_method_id);
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if (im_resource == NULL) {
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free(input_method);
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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(im_resource, &input_method_impl,
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input_method, input_method_resource_destroy);
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struct wlr_seat_client *seat_client = wlr_seat_client_from_resource(seat);
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wl_signal_add(&seat_client->events.destroy,
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&input_method->seat_destroy);
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input_method->seat_destroy.notify =
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input_method_handle_seat_destroy;
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input_method->resource = im_resource;
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input_method->seat = seat_client->seat;
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wl_list_insert(&im_manager->input_methods,
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wl_resource_get_link(input_method->resource));
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wlr_signal_emit_safe(&im_manager->events.input_method, input_method);
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}
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static void manager_destroy(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 zwp_input_method_manager_v2_interface
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input_method_manager_impl = {
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.get_input_method = manager_get_input_method,
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.destroy = manager_destroy,
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};
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static void input_method_manager_unbind(struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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static void input_method_manager_bind(struct wl_client *wl_client, void *data,
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uint32_t version, uint32_t id) {
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assert(wl_client);
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struct wlr_input_method_manager_v2 *im_manager = data;
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struct wl_resource *bound_resource = wl_resource_create(wl_client,
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&zwp_input_method_manager_v2_interface, version, id);
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if (bound_resource == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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wl_resource_set_implementation(bound_resource, &input_method_manager_impl,
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im_manager, input_method_manager_unbind);
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wl_list_insert(&im_manager->bound_resources,
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wl_resource_get_link(bound_resource));
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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_input_method_manager_v2 *manager =
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wl_container_of(listener, manager, display_destroy);
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wlr_input_method_manager_v2_destroy(manager);
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}
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struct wlr_input_method_manager_v2 *wlr_input_method_manager_v2_create(
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struct wl_display *display) {
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struct wlr_input_method_manager_v2 *im_manager = calloc(1,
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sizeof(struct wlr_input_method_manager_v2));
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if (!im_manager) {
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return NULL;
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}
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wl_signal_init(&im_manager->events.input_method);
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wl_signal_init(&im_manager->events.destroy);
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wl_list_init(&im_manager->bound_resources);
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wl_list_init(&im_manager->input_methods);
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im_manager->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &im_manager->display_destroy);
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im_manager->global = wl_global_create(display,
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&zwp_input_method_manager_v2_interface, 1, im_manager,
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input_method_manager_bind);
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return im_manager;
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}
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void wlr_input_method_manager_v2_destroy(
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struct wlr_input_method_manager_v2 *manager) {
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wlr_signal_emit_safe(&manager->events.destroy, manager);
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wl_list_remove(&manager->display_destroy.link);
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struct wl_resource *resource, *resource_tmp;
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wl_resource_for_each_safe(resource, resource_tmp,
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&manager->bound_resources) {
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wl_resource_destroy(resource);
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}
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struct wlr_input_method_v2 *im, *im_tmp;
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wl_list_for_each_safe(im, im_tmp, &manager->input_methods, link) {
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wl_resource_destroy(im->resource);
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}
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wl_global_destroy(manager->global);
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free(manager);
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}
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