340 lines
11 KiB
C
340 lines
11 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 <stdlib.h>
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#include <stddef.h>
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#include <wlr/types/wlr_text_input_v3.h>
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#include <wlr/util/log.h>
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#include "text-input-unstable-v3-protocol.h"
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#include "util/signal.h"
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static void text_input_clear_focused_surface(struct wlr_text_input_v3 *text_input) {
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wl_list_remove(&text_input->surface_destroy.link);
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wl_list_init(&text_input->surface_destroy.link);
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text_input->focused_surface = NULL;
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}
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static const struct zwp_text_input_v3_interface text_input_impl;
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static struct wlr_text_input_v3 *text_input_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &zwp_text_input_v3_interface,
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&text_input_impl));
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return wl_resource_get_user_data(resource);
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}
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void wlr_text_input_v3_send_enter(struct wlr_text_input_v3 *text_input,
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struct wlr_surface *surface) {
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assert(wl_resource_get_client(text_input->resource)
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== wl_resource_get_client(surface->resource));
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text_input->focused_surface = surface;
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wl_signal_add(&text_input->focused_surface->events.destroy,
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&text_input->surface_destroy);
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zwp_text_input_v3_send_enter(text_input->resource,
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text_input->focused_surface->resource);
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}
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void wlr_text_input_v3_send_leave(struct wlr_text_input_v3 *text_input) {
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zwp_text_input_v3_send_leave(text_input->resource,
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text_input->focused_surface->resource);
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text_input_clear_focused_surface(text_input);
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}
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void wlr_text_input_v3_send_preedit_string(struct wlr_text_input_v3 *text_input,
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const char *text, int32_t cursor_begin, int32_t cursor_end) {
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zwp_text_input_v3_send_preedit_string(text_input->resource, text,
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cursor_begin, cursor_end);
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}
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void wlr_text_input_v3_send_commit_string(struct wlr_text_input_v3 *text_input,
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const char *text) {
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zwp_text_input_v3_send_commit_string(text_input->resource, text);
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}
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void wlr_text_input_v3_send_delete_surrounding_text(
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struct wlr_text_input_v3 *text_input, uint32_t before_length,
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uint32_t after_length) {
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zwp_text_input_v3_send_delete_surrounding_text(text_input->resource,
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before_length, after_length);
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}
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void wlr_text_input_v3_send_done(struct wlr_text_input_v3 *text_input) {
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zwp_text_input_v3_send_done(text_input->resource,
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text_input->current_serial);
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}
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static void wlr_text_input_destroy(struct wlr_text_input_v3 *text_input) {
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wlr_signal_emit_safe(&text_input->events.destroy, text_input);
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text_input_clear_focused_surface(text_input);
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wl_list_remove(&text_input->seat_destroy.link);
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// remove from manager::text_inputs
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wl_list_remove(&text_input->link);
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free(text_input->current.surrounding.text);
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free(text_input->pending.surrounding.text);
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free(text_input);
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}
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static void text_input_resource_destroy(struct wl_resource *resource) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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wlr_text_input_destroy(text_input);
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}
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static void text_input_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 void text_input_enable(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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struct wlr_text_input_v3_state defaults = {0};
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free(text_input->pending.surrounding.text);
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text_input->pending = defaults;
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text_input->pending_enabled = true;
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}
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static void text_input_disable(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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text_input->pending_enabled = false;
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}
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static void text_input_set_surrounding_text(struct wl_client *client,
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struct wl_resource *resource, const char *text, int32_t cursor,
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int32_t anchor) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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free(text_input->pending.surrounding.text);
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text_input->pending.surrounding.text = strdup(text);
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if (!text_input->pending.surrounding.text) {
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wl_client_post_no_memory(client);
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}
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text_input->pending.features |= WLR_TEXT_INPUT_V3_FEATURE_SURROUNDING_TEXT;
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text_input->pending.surrounding.cursor = cursor;
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text_input->pending.surrounding.anchor = anchor;
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}
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static void text_input_set_text_change_cause(struct wl_client *client,
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struct wl_resource *resource, uint32_t cause) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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text_input->pending.text_change_cause = cause;
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}
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static void text_input_set_content_type(struct wl_client *client,
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struct wl_resource *resource, uint32_t hint, uint32_t purpose) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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text_input->pending.features |= WLR_TEXT_INPUT_V3_FEATURE_CONTENT_TYPE;
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text_input->pending.content_type.hint = hint;
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text_input->pending.content_type.purpose = purpose;
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}
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static void text_input_set_cursor_rectangle(struct wl_client *client,
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struct wl_resource *resource, int32_t x, int32_t y, int32_t width,
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int32_t height) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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text_input->pending.features |= WLR_TEXT_INPUT_V3_FEATURE_CURSOR_RECTANGLE;
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text_input->pending.cursor_rectangle.x = x;
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text_input->pending.cursor_rectangle.y = y;
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text_input->pending.cursor_rectangle.width = width;
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text_input->pending.cursor_rectangle.height = height;
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}
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static void text_input_commit(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_text_input_v3 *text_input = text_input_from_resource(resource);
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if (!text_input) {
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return;
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}
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free(text_input->current.surrounding.text);
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text_input->current = text_input->pending;
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if (text_input->pending.surrounding.text) {
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text_input->current.surrounding.text =
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strdup(text_input->pending.surrounding.text);
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if (text_input->current.surrounding.text == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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}
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bool old_enabled = text_input->current_enabled;
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text_input->current_enabled = text_input->pending_enabled;
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text_input->current_serial++;
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if (text_input->focused_surface == NULL) {
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wlr_log(WLR_DEBUG, "Text input commit received without focus");
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}
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if (!old_enabled && text_input->current_enabled) {
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text_input->active_features = text_input->current.features;
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wlr_signal_emit_safe(&text_input->events.enable, text_input);
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} else if (old_enabled && !text_input->current_enabled) {
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text_input->active_features = 0;
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wlr_signal_emit_safe(&text_input->events.disable, text_input);
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} else { // including never enabled
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wlr_signal_emit_safe(&text_input->events.commit, text_input);
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}
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}
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static const struct zwp_text_input_v3_interface text_input_impl = {
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.destroy = text_input_destroy,
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.enable = text_input_enable,
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.disable = text_input_disable,
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.set_surrounding_text = text_input_set_surrounding_text,
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.set_text_change_cause = text_input_set_text_change_cause,
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.set_content_type = text_input_set_content_type,
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.set_cursor_rectangle = text_input_set_cursor_rectangle,
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.commit = text_input_commit,
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};
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static const struct zwp_text_input_manager_v3_interface text_input_manager_impl;
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static struct wlr_text_input_manager_v3 *text_input_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_text_input_manager_v3_interface, &text_input_manager_impl));
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return wl_resource_get_user_data(resource);
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}
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static void text_input_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 void text_input_handle_seat_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_text_input_v3 *text_input = wl_container_of(listener, text_input,
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seat_destroy);
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struct wl_resource *resource = text_input->resource;
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wlr_text_input_destroy(text_input);
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wl_resource_set_user_data(resource, NULL);
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}
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static void text_input_handle_focused_surface_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_text_input_v3 *text_input = wl_container_of(listener, text_input,
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surface_destroy);
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text_input_clear_focused_surface(text_input);
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}
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static void text_input_manager_get_text_input(struct wl_client *client,
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struct wl_resource *resource, uint32_t id, struct wl_resource *seat) {
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struct wlr_text_input_v3 *text_input =
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calloc(1, sizeof(struct wlr_text_input_v3));
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if (text_input == 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_signal_init(&text_input->events.enable);
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wl_signal_init(&text_input->events.commit);
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wl_signal_init(&text_input->events.disable);
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wl_signal_init(&text_input->events.destroy);
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int version = wl_resource_get_version(resource);
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struct wl_resource *text_input_resource = wl_resource_create(client,
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&zwp_text_input_v3_interface, version, id);
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if (text_input_resource == NULL) {
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free(text_input);
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wl_client_post_no_memory(client);
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return;
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}
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text_input->resource = text_input_resource;
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wl_resource_set_implementation(text_input->resource, &text_input_impl,
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text_input, text_input_resource_destroy);
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struct wlr_seat_client *seat_client = wlr_seat_client_from_resource(seat);
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struct wlr_seat *wlr_seat = seat_client->seat;
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text_input->seat = wlr_seat;
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wl_signal_add(&seat_client->events.destroy,
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&text_input->seat_destroy);
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text_input->seat_destroy.notify =
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text_input_handle_seat_destroy;
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text_input->surface_destroy.notify =
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text_input_handle_focused_surface_destroy;
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wl_list_init(&text_input->surface_destroy.link);
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struct wlr_text_input_manager_v3 *manager =
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text_input_manager_from_resource(resource);
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wl_list_insert(&manager->text_inputs, &text_input->link);
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wlr_signal_emit_safe(&manager->events.text_input, text_input);
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}
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static const struct zwp_text_input_manager_v3_interface
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text_input_manager_impl = {
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.destroy = text_input_manager_destroy,
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.get_text_input = text_input_manager_get_text_input,
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};
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static void text_input_manager_bind(struct wl_client *wl_client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_text_input_manager_v3 *manager = data;
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assert(wl_client && manager);
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struct wl_resource *resource = wl_resource_create(wl_client,
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&zwp_text_input_manager_v3_interface, version, id);
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if (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(resource, &text_input_manager_impl,
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manager, NULL);
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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_text_input_manager_v3 *manager =
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wl_container_of(listener, manager, display_destroy);
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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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wl_global_destroy(manager->global);
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free(manager);
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}
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struct wlr_text_input_manager_v3 *wlr_text_input_manager_v3_create(
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struct wl_display *display) {
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struct wlr_text_input_manager_v3 *manager =
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calloc(1, sizeof(struct wlr_text_input_manager_v3));
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if (!manager) {
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return NULL;
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}
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wl_list_init(&manager->text_inputs);
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wl_signal_init(&manager->events.text_input);
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wl_signal_init(&manager->events.destroy);
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manager->global = wl_global_create(display,
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&zwp_text_input_manager_v3_interface, 1, manager,
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text_input_manager_bind);
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if (!manager->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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