98eece53ad
This fixes a crash that happens when input_method_new or text_method_new events are emitted after the seat has been freed.
302 lines
10 KiB
C
302 lines
10 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include "log.h"
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#include "sway/input/seat.h"
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#include "sway/input/text_input.h"
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static struct sway_text_input *relay_get_focusable_text_input(
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struct sway_input_method_relay *relay) {
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struct sway_text_input *text_input = NULL;
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wl_list_for_each(text_input, &relay->text_inputs, link) {
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if (text_input->pending_focused_surface) {
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return text_input;
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}
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}
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return NULL;
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}
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static struct sway_text_input *relay_get_focused_text_input(
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struct sway_input_method_relay *relay) {
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struct sway_text_input *text_input = NULL;
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wl_list_for_each(text_input, &relay->text_inputs, link) {
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if (text_input->input->focused_surface) {
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return text_input;
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}
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}
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return NULL;
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}
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static void handle_im_commit(struct wl_listener *listener, void *data) {
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struct sway_input_method_relay *relay = wl_container_of(listener, relay,
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input_method_commit);
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struct sway_text_input *text_input = relay_get_focused_text_input(relay);
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if (!text_input) {
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return;
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}
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struct wlr_input_method_v2 *context = data;
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assert(context == relay->input_method);
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if (context->current.preedit.text) {
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wlr_text_input_v3_send_preedit_string(text_input->input,
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context->current.preedit.text,
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context->current.preedit.cursor_begin,
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context->current.preedit.cursor_end);
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}
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if (context->current.commit_text) {
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wlr_text_input_v3_send_commit_string(text_input->input,
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context->current.commit_text);
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}
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if (context->current.delete.before_length
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|| context->current.delete.after_length) {
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wlr_text_input_v3_send_delete_surrounding_text(text_input->input,
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context->current.delete.before_length,
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context->current.delete.after_length);
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}
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wlr_text_input_v3_send_done(text_input->input);
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}
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static void text_input_set_pending_focused_surface(
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struct sway_text_input *text_input, struct wlr_surface *surface) {
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wl_list_remove(&text_input->pending_focused_surface_destroy.link);
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text_input->pending_focused_surface = surface;
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if (surface) {
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wl_signal_add(&surface->events.destroy,
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&text_input->pending_focused_surface_destroy);
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} else {
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wl_list_init(&text_input->pending_focused_surface_destroy.link);
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}
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}
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static void handle_im_destroy(struct wl_listener *listener, void *data) {
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struct sway_input_method_relay *relay = wl_container_of(listener, relay,
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input_method_destroy);
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struct wlr_input_method_v2 *context = data;
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assert(context == relay->input_method);
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relay->input_method = NULL;
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struct sway_text_input *text_input = relay_get_focused_text_input(relay);
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if (text_input) {
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// keyboard focus is still there, so keep the surface at hand in case
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// the input method returns
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text_input_set_pending_focused_surface(text_input,
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text_input->input->focused_surface);
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wlr_text_input_v3_send_leave(text_input->input);
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}
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}
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static void relay_send_im_state(struct sway_input_method_relay *relay,
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struct wlr_text_input_v3 *input) {
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struct wlr_input_method_v2 *input_method = relay->input_method;
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if (!input_method) {
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sway_log(SWAY_INFO, "Sending IM_DONE but im is gone");
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return;
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}
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// TODO: only send each of those if they were modified
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wlr_input_method_v2_send_surrounding_text(input_method,
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input->current.surrounding.text, input->current.surrounding.cursor,
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input->current.surrounding.anchor);
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wlr_input_method_v2_send_text_change_cause(input_method,
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input->current.text_change_cause);
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wlr_input_method_v2_send_content_type(input_method,
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input->current.content_type.hint, input->current.content_type.purpose);
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wlr_input_method_v2_send_done(input_method);
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// TODO: pass intent, display popup size
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}
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static void handle_text_input_enable(struct wl_listener *listener, void *data) {
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struct sway_text_input *text_input = wl_container_of(listener, text_input,
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text_input_enable);
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if (text_input->relay->input_method == NULL) {
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sway_log(SWAY_INFO, "Enabling text input when input method is gone");
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return;
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}
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wlr_input_method_v2_send_activate(text_input->relay->input_method);
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relay_send_im_state(text_input->relay, text_input->input);
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}
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static void handle_text_input_commit(struct wl_listener *listener,
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void *data) {
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struct sway_text_input *text_input = wl_container_of(listener, text_input,
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text_input_commit);
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if (!text_input->input->current_enabled) {
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sway_log(SWAY_INFO, "Inactive text input tried to commit an update");
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return;
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}
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sway_log(SWAY_DEBUG, "Text input committed update");
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if (text_input->relay->input_method == NULL) {
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sway_log(SWAY_INFO, "Text input committed, but input method is gone");
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return;
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}
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relay_send_im_state(text_input->relay, text_input->input);
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}
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static void relay_disable_text_input(struct sway_input_method_relay *relay,
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struct sway_text_input *text_input) {
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if (relay->input_method == NULL) {
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sway_log(SWAY_DEBUG, "Disabling text input, but input method is gone");
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return;
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}
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wlr_input_method_v2_send_deactivate(relay->input_method);
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relay_send_im_state(relay, text_input->input);
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}
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static void handle_text_input_disable(struct wl_listener *listener,
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void *data) {
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struct sway_text_input *text_input = wl_container_of(listener, text_input,
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text_input_disable);
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relay_disable_text_input(text_input->relay, text_input);
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}
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static void handle_text_input_destroy(struct wl_listener *listener,
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void *data) {
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struct sway_text_input *text_input = wl_container_of(listener, text_input,
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text_input_destroy);
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if (text_input->input->current_enabled) {
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relay_disable_text_input(text_input->relay, text_input);
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}
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text_input_set_pending_focused_surface(text_input, NULL);
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wl_list_remove(&text_input->text_input_commit.link);
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wl_list_remove(&text_input->text_input_destroy.link);
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wl_list_remove(&text_input->text_input_disable.link);
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wl_list_remove(&text_input->text_input_enable.link);
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wl_list_remove(&text_input->link);
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free(text_input);
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}
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static void handle_pending_focused_surface_destroy(struct wl_listener *listener,
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void *data) {
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struct sway_text_input *text_input = wl_container_of(listener, text_input,
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pending_focused_surface_destroy);
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struct wlr_surface *surface = data;
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assert(text_input->pending_focused_surface == surface);
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text_input->pending_focused_surface = NULL;
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wl_list_remove(&text_input->pending_focused_surface_destroy.link);
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wl_list_init(&text_input->pending_focused_surface_destroy.link);
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}
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struct sway_text_input *sway_text_input_create(
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struct sway_input_method_relay *relay,
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struct wlr_text_input_v3 *text_input) {
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struct sway_text_input *input = calloc(1, sizeof(struct sway_text_input));
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if (!input) {
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return NULL;
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}
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input->input = text_input;
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input->relay = relay;
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wl_list_insert(&relay->text_inputs, &input->link);
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input->text_input_enable.notify = handle_text_input_enable;
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wl_signal_add(&text_input->events.enable, &input->text_input_enable);
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input->text_input_commit.notify = handle_text_input_commit;
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wl_signal_add(&text_input->events.commit, &input->text_input_commit);
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input->text_input_disable.notify = handle_text_input_disable;
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wl_signal_add(&text_input->events.disable, &input->text_input_disable);
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input->text_input_destroy.notify = handle_text_input_destroy;
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wl_signal_add(&text_input->events.destroy, &input->text_input_destroy);
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input->pending_focused_surface_destroy.notify =
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handle_pending_focused_surface_destroy;
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wl_list_init(&input->pending_focused_surface_destroy.link);
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return input;
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}
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static void relay_handle_text_input(struct wl_listener *listener,
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void *data) {
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struct sway_input_method_relay *relay = wl_container_of(listener, relay,
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text_input_new);
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struct wlr_text_input_v3 *wlr_text_input = data;
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if (relay->seat->wlr_seat != wlr_text_input->seat) {
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return;
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}
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sway_text_input_create(relay, wlr_text_input);
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}
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static void relay_handle_input_method(struct wl_listener *listener,
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void *data) {
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struct sway_input_method_relay *relay = wl_container_of(listener, relay,
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input_method_new);
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struct wlr_input_method_v2 *input_method = data;
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if (relay->seat->wlr_seat != input_method->seat) {
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return;
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}
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if (relay->input_method != NULL) {
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sway_log(SWAY_INFO, "Attempted to connect second input method to a seat");
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wlr_input_method_v2_send_unavailable(input_method);
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return;
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}
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relay->input_method = input_method;
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wl_signal_add(&relay->input_method->events.commit,
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&relay->input_method_commit);
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relay->input_method_commit.notify = handle_im_commit;
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wl_signal_add(&relay->input_method->events.destroy,
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&relay->input_method_destroy);
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relay->input_method_destroy.notify = handle_im_destroy;
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struct sway_text_input *text_input = relay_get_focusable_text_input(relay);
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if (text_input) {
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wlr_text_input_v3_send_enter(text_input->input,
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text_input->pending_focused_surface);
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text_input_set_pending_focused_surface(text_input, NULL);
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}
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}
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void sway_input_method_relay_init(struct sway_seat *seat,
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struct sway_input_method_relay *relay) {
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relay->seat = seat;
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wl_list_init(&relay->text_inputs);
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relay->text_input_new.notify = relay_handle_text_input;
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wl_signal_add(&server.text_input->events.text_input,
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&relay->text_input_new);
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relay->input_method_new.notify = relay_handle_input_method;
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wl_signal_add(
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&server.input_method->events.input_method,
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&relay->input_method_new);
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}
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void sway_input_method_relay_finish(struct sway_input_method_relay *relay) {
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wl_list_remove(&relay->input_method_new.link);
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wl_list_remove(&relay->text_input_new.link);
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}
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void sway_input_method_relay_set_focus(struct sway_input_method_relay *relay,
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struct wlr_surface *surface) {
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struct sway_text_input *text_input;
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wl_list_for_each(text_input, &relay->text_inputs, link) {
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if (text_input->pending_focused_surface) {
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assert(text_input->input->focused_surface == NULL);
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if (surface != text_input->pending_focused_surface) {
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text_input_set_pending_focused_surface(text_input, NULL);
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}
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} else if (text_input->input->focused_surface) {
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assert(text_input->pending_focused_surface == NULL);
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if (surface != text_input->input->focused_surface) {
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relay_disable_text_input(relay, text_input);
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wlr_text_input_v3_send_leave(text_input->input);
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} else {
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sway_log(SWAY_DEBUG, "IM relay set_focus already focused");
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continue;
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}
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}
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if (surface
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&& wl_resource_get_client(text_input->input->resource)
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== wl_resource_get_client(surface->resource)) {
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if (relay->input_method) {
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wlr_text_input_v3_send_enter(text_input->input, surface);
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} else {
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text_input_set_pending_focused_surface(text_input, surface);
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}
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}
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}
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}
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