479 lines
16 KiB
C
479 lines
16 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 <sys/mman.h>
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#include <unistd.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/shm.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 const struct zwp_input_method_keyboard_grab_v2_interface keyboard_grab_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 struct wlr_input_method_keyboard_grab_v2 *keyboard_grab_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_keyboard_grab_v2_interface,
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&keyboard_grab_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(wl_resource_get_link(input_method->resource));
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wl_list_remove(&input_method->seat_client_destroy.link);
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wlr_input_method_keyboard_grab_v2_destroy(input_method->keyboard_grab);
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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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void wlr_input_method_keyboard_grab_v2_destroy(
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab) {
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if (!keyboard_grab) {
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return;
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}
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wlr_signal_emit_safe(&keyboard_grab->events.destroy, keyboard_grab);
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keyboard_grab->input_method->keyboard_grab = NULL;
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if (keyboard_grab->keyboard) {
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wl_list_remove(&keyboard_grab->keyboard_keymap.link);
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wl_list_remove(&keyboard_grab->keyboard_repeat_info.link);
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wl_list_remove(&keyboard_grab->keyboard_destroy.link);
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}
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wl_resource_set_user_data(keyboard_grab->resource, NULL);
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free(keyboard_grab);
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}
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static void keyboard_grab_resource_destroy(struct wl_resource *resource) {
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab =
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keyboard_grab_from_resource(resource);
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wlr_input_method_keyboard_grab_v2_destroy(keyboard_grab);
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}
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static void keyboard_grab_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 zwp_input_method_keyboard_grab_v2_interface keyboard_grab_impl = {
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.release = keyboard_grab_release,
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};
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void wlr_input_method_keyboard_grab_v2_send_key(
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab,
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uint32_t time, uint32_t key, uint32_t state) {
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zwp_input_method_keyboard_grab_v2_send_key(
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keyboard_grab->resource,
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wlr_seat_client_next_serial(keyboard_grab->input_method->seat_client),
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time, key, state);
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}
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void wlr_input_method_keyboard_grab_v2_send_modifiers(
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab,
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struct wlr_keyboard_modifiers *modifiers) {
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zwp_input_method_keyboard_grab_v2_send_modifiers(
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keyboard_grab->resource,
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wlr_seat_client_next_serial(keyboard_grab->input_method->seat_client),
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modifiers->depressed, modifiers->latched,
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modifiers->locked, modifiers->group);
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}
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static bool keyboard_grab_send_keymap(
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab,
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struct wlr_keyboard *keyboard) {
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int keymap_fd = allocate_shm_file(keyboard->keymap_size);
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if (keymap_fd < 0) {
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wlr_log(WLR_ERROR, "creating a keymap file for %zu bytes failed",
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keyboard->keymap_size);
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return false;
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}
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void *ptr = mmap(NULL, keyboard->keymap_size, PROT_READ | PROT_WRITE,
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MAP_SHARED, keymap_fd, 0);
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if (ptr == MAP_FAILED) {
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wlr_log(WLR_ERROR, "failed to mmap() %zu bytes",
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keyboard->keymap_size);
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close(keymap_fd);
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return false;
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}
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memcpy(ptr, keyboard->keymap_string, keyboard->keymap_size);
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munmap(ptr, keyboard->keymap_size);
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zwp_input_method_keyboard_grab_v2_send_keymap(keyboard_grab->resource,
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WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1, keymap_fd,
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keyboard->keymap_size);
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close(keymap_fd);
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return true;
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}
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static void keyboard_grab_send_repeat_info(
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab,
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struct wlr_keyboard *keyboard) {
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zwp_input_method_keyboard_grab_v2_send_repeat_info(
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keyboard_grab->resource, keyboard->repeat_info.rate,
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keyboard->repeat_info.delay);
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}
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static void handle_keyboard_keymap(struct wl_listener *listener, void *data) {
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab =
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wl_container_of(listener, keyboard_grab, keyboard_keymap);
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keyboard_grab_send_keymap(keyboard_grab, data);
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}
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static void handle_keyboard_repeat_info(struct wl_listener *listener,
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void *data) {
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab =
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wl_container_of(listener, keyboard_grab, keyboard_repeat_info);
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keyboard_grab_send_repeat_info(keyboard_grab, data);
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}
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static void handle_keyboard_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab =
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wl_container_of(listener, keyboard_grab, keyboard_destroy);
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wlr_input_method_keyboard_grab_v2_set_keyboard(keyboard_grab, NULL);
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}
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void wlr_input_method_keyboard_grab_v2_set_keyboard(
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab,
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struct wlr_keyboard *keyboard) {
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if (keyboard == keyboard_grab->keyboard) {
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return;
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}
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if (keyboard_grab->keyboard) {
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wl_list_remove(&keyboard_grab->keyboard_keymap.link);
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wl_list_remove(&keyboard_grab->keyboard_repeat_info.link);
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wl_list_remove(&keyboard_grab->keyboard_destroy.link);
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}
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if (keyboard) {
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if (keyboard_grab->keyboard == NULL ||
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strcmp(keyboard_grab->keyboard->keymap_string,
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keyboard->keymap_string) != 0) {
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// send keymap only if it is changed, or if input method is not
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// aware that it did not change and blindly send it back with
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// virtual keyboard, it may cause an infinite recursion.
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if (!keyboard_grab_send_keymap(keyboard_grab, keyboard)) {
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wlr_log(WLR_ERROR, "Failed to send keymap for input-method keyboard grab");
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return;
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}
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}
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keyboard_grab_send_repeat_info(keyboard_grab, keyboard);
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keyboard_grab->keyboard_keymap.notify = handle_keyboard_keymap;
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wl_signal_add(&keyboard->events.keymap,
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&keyboard_grab->keyboard_keymap);
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keyboard_grab->keyboard_repeat_info.notify =
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handle_keyboard_repeat_info;
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wl_signal_add(&keyboard->events.repeat_info,
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&keyboard_grab->keyboard_repeat_info);
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keyboard_grab->keyboard_destroy.notify =
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handle_keyboard_destroy;
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wl_signal_add(&keyboard->events.destroy,
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&keyboard_grab->keyboard_destroy);
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wlr_input_method_keyboard_grab_v2_send_modifiers(keyboard_grab,
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&keyboard->modifiers);
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}
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keyboard_grab->keyboard = keyboard;
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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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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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if (input_method->keyboard_grab) {
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// Already grabbed
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return;
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}
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struct wlr_input_method_keyboard_grab_v2 *keyboard_grab =
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calloc(1, sizeof(struct wlr_input_method_keyboard_grab_v2));
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if (!keyboard_grab) {
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wl_client_post_no_memory(client);
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return;
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}
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struct wl_resource *keyboard_grab_resource = wl_resource_create(
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client, &zwp_input_method_keyboard_grab_v2_interface,
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wl_resource_get_version(resource), keyboard);
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if (keyboard_grab_resource == NULL) {
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free(keyboard_grab);
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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(keyboard_grab_resource,
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&keyboard_grab_impl, keyboard_grab,
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keyboard_grab_resource_destroy);
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keyboard_grab->resource = keyboard_grab_resource;
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keyboard_grab->input_method = input_method;
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input_method->keyboard_grab = keyboard_grab;
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wl_signal_init(&keyboard_grab->events.destroy);
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wlr_signal_emit_safe(&input_method->events.grab_keyboard, keyboard_grab);
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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_client_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_client_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.grab_keyboard);
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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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input_method->seat_client = wlr_seat_client_from_resource(seat);
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input_method->seat = input_method->seat_client->seat;
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wl_signal_add(&input_method->seat_client->events.destroy,
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&input_method->seat_client_destroy);
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input_method->seat_client_destroy.notify =
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input_method_handle_seat_client_destroy;
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input_method->resource = im_resource;
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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_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;
|
|
|
|
struct wl_resource *bound_resource = wl_resource_create(wl_client,
|
|
&zwp_input_method_manager_v2_interface, version, id);
|
|
if (bound_resource == NULL) {
|
|
wl_client_post_no_memory(wl_client);
|
|
return;
|
|
}
|
|
wl_resource_set_implementation(bound_resource, &input_method_manager_impl,
|
|
im_manager, NULL);
|
|
}
|
|
|
|
static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
|
struct wlr_input_method_manager_v2 *manager =
|
|
wl_container_of(listener, manager, display_destroy);
|
|
wlr_signal_emit_safe(&manager->events.destroy, manager);
|
|
wl_list_remove(&manager->display_destroy.link);
|
|
wl_global_destroy(manager->global);
|
|
free(manager);
|
|
}
|
|
|
|
struct wlr_input_method_manager_v2 *wlr_input_method_manager_v2_create(
|
|
struct wl_display *display) {
|
|
struct wlr_input_method_manager_v2 *im_manager = calloc(1,
|
|
sizeof(struct wlr_input_method_manager_v2));
|
|
if (!im_manager) {
|
|
return NULL;
|
|
}
|
|
wl_signal_init(&im_manager->events.input_method);
|
|
wl_signal_init(&im_manager->events.destroy);
|
|
wl_list_init(&im_manager->input_methods);
|
|
|
|
im_manager->global = wl_global_create(display,
|
|
&zwp_input_method_manager_v2_interface, 1, im_manager,
|
|
input_method_manager_bind);
|
|
if (!im_manager->global) {
|
|
free(im_manager);
|
|
return NULL;
|
|
}
|
|
|
|
im_manager->display_destroy.notify = handle_display_destroy;
|
|
wl_display_add_destroy_listener(display, &im_manager->display_destroy);
|
|
|
|
return im_manager;
|
|
}
|