From 5886187c6ef56307f15be475dc62785faf32ef35 Mon Sep 17 00:00:00 2001 From: xdavidwu Date: Fri, 18 Oct 2019 18:57:17 +0800 Subject: [PATCH] Port input method and text input from rootston This ports swaywm/wlroots#1203, swaywm/wlroots#1303, swaywm/wlroots#1308, swaywm/wlroots#1759 rootston part to sway. Co-Authored-By: Leo Chen --- include/sway/input/seat.h | 3 + include/sway/input/text_input.h | 63 +++++++ include/sway/server.h | 4 + sway/input/seat.c | 4 + sway/input/text_input.c | 312 ++++++++++++++++++++++++++++++++ sway/meson.build | 1 + sway/server.c | 2 + 7 files changed, 389 insertions(+) create mode 100644 include/sway/input/text_input.h create mode 100644 sway/input/text_input.c diff --git a/include/sway/input/seat.h b/include/sway/input/seat.h index 49b9d09b..6d7495dd 100644 --- a/include/sway/input/seat.h +++ b/include/sway/input/seat.h @@ -7,6 +7,7 @@ #include #include "sway/config.h" #include "sway/input/input-manager.h" +#include "sway/input/text_input.h" struct sway_seat; @@ -86,6 +87,8 @@ struct sway_seat { list_t *deferred_bindings; // struct sway_binding + struct sway_input_method_relay im_relay; + struct wl_listener focus_destroy; struct wl_listener new_node; struct wl_listener request_start_drag; diff --git a/include/sway/input/text_input.h b/include/sway/input/text_input.h new file mode 100644 index 00000000..4c3b2e07 --- /dev/null +++ b/include/sway/input/text_input.h @@ -0,0 +1,63 @@ +#ifndef _SWAY_INPUT_TEXT_INPUT_H +#define _SWAY_INPUT_TEXT_INPUT_H + +#include +#include +#include +#include "sway/input/seat.h" + +/** + * The relay structure manages the relationship between text-input and + * input_method interfaces on a given seat. Multiple text-input interfaces may + * be bound to a relay, but at most one will be focused (reveiving events) at + * a time. At most one input-method interface may be bound to the seat. The + * relay manages life cycle of both sides. When both sides are present and + * focused, the relay passes messages between them. + * + * Text input focus is a subset of keyboard focus - if the text-input is + * in the focused state, wl_keyboard sent an enter as well. However, having + * wl_keyboard focused doesn't mean that text-input will be focused. + */ +struct sway_input_method_relay { + struct sway_seat *seat; + + struct wl_list text_inputs; // sway_text_input::link + struct wlr_input_method_v2 *input_method; // doesn't have to be present + + struct wl_listener text_input_new; + struct wl_listener text_input_enable; + struct wl_listener text_input_commit; + struct wl_listener text_input_disable; + struct wl_listener text_input_destroy; + + struct wl_listener input_method_new; + struct wl_listener input_method_commit; + struct wl_listener input_method_destroy; +}; + +struct sway_text_input { + struct sway_input_method_relay *relay; + + struct wlr_text_input_v3 *input; + // The surface getting seat's focus. Stored for when text-input cannot + // be sent an enter event immediately after getting focus, e.g. when + // there's no input method available. Cleared once text-input is entered. + struct wlr_surface *pending_focused_surface; + + struct wl_list link; + + struct wl_listener pending_focused_surface_destroy; +}; + +void sway_input_method_relay_init(struct sway_seat *seat, + struct sway_input_method_relay *relay); + +// Updates currently focused surface. Surface must belong to the same seat. +void sway_input_method_relay_set_focus(struct sway_input_method_relay *relay, + struct wlr_surface *surface); + +struct sway_text_input *sway_text_input_create( + struct sway_input_method_relay *relay, + struct wlr_text_input_v3 *text_input); + +#endif diff --git a/include/sway/server.h b/include/sway/server.h index 65bd6429..a9ffe187 100644 --- a/include/sway/server.h +++ b/include/sway/server.h @@ -7,12 +7,14 @@ #include #include #include +#include #include #include #include #include #include #include +#include #include #include "config.h" #include "list.h" @@ -76,6 +78,8 @@ struct sway_server { struct wlr_output_power_manager_v1 *output_power_manager_v1; struct wl_listener output_power_manager_set_mode; + struct wlr_input_method_manager_v2 *input_method; + struct wlr_text_input_manager_v3 *text_input; size_t txn_timeout_ms; list_t *transactions; diff --git a/sway/input/seat.c b/sway/input/seat.c index 502bc0bc..c3eae65c 100644 --- a/sway/input/seat.c +++ b/sway/input/seat.c @@ -179,6 +179,7 @@ static void seat_send_focus(struct sway_node *node, struct sway_seat *seat) { seat_keyboard_notify_enter(seat, view->surface); seat_tablet_pads_notify_enter(seat, view->surface); + sway_input_method_relay_set_focus(&seat->im_relay, view->surface); struct wlr_pointer_constraint_v1 *constraint = wlr_pointer_constraints_v1_constraint_for_surface( @@ -562,6 +563,8 @@ struct sway_seat *seat_create(const char *seat_name) { wl_list_init(&seat->keyboard_groups); wl_list_init(&seat->keyboard_shortcuts_inhibitors); + sway_input_method_relay_init(seat, &seat->im_relay); + wl_list_insert(&server.input->seats, &seat->link); seatop_begin_default(seat); @@ -1015,6 +1018,7 @@ void seat_set_focus(struct sway_seat *seat, struct sway_node *node) { view_close_popups(last_focus->sway_container->view); } seat_send_unfocus(last_focus, seat); + sway_input_method_relay_set_focus(&seat->im_relay, NULL); seat->has_focus = false; return; } diff --git a/sway/input/text_input.c b/sway/input/text_input.c new file mode 100644 index 00000000..3e446cb9 --- /dev/null +++ b/sway/input/text_input.c @@ -0,0 +1,312 @@ +#include +#include +#include "log.h" +#include "sway/input/seat.h" +#include "sway/input/text_input.h" + +static struct sway_text_input *relay_get_focusable_text_input( + struct sway_input_method_relay *relay) { + struct sway_text_input *text_input = NULL; + wl_list_for_each(text_input, &relay->text_inputs, link) { + if (text_input->pending_focused_surface) { + return text_input; + } + } + return NULL; +} + +static struct sway_text_input *relay_get_focused_text_input( + struct sway_input_method_relay *relay) { + struct sway_text_input *text_input = NULL; + wl_list_for_each(text_input, &relay->text_inputs, link) { + if (text_input->input->focused_surface) { + return text_input; + } + } + return NULL; +} + +static void handle_im_commit(struct wl_listener *listener, void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + input_method_commit); + + struct sway_text_input *text_input = relay_get_focused_text_input(relay); + if (!text_input) { + return; + } + struct wlr_input_method_v2 *context = data; + assert(context == relay->input_method); + if (context->current.preedit.text) { + wlr_text_input_v3_send_preedit_string(text_input->input, + context->current.preedit.text, + context->current.preedit.cursor_begin, + context->current.preedit.cursor_end); + } + if (context->current.commit_text) { + wlr_text_input_v3_send_commit_string(text_input->input, + context->current.commit_text); + } + if (context->current.delete.before_length + || context->current.delete.after_length) { + wlr_text_input_v3_send_delete_surrounding_text(text_input->input, + context->current.delete.before_length, + context->current.delete.after_length); + } + wlr_text_input_v3_send_done(text_input->input); +} + +static void text_input_set_pending_focused_surface( + struct sway_text_input *text_input, struct wlr_surface *surface) { + text_input->pending_focused_surface = surface; + wl_signal_add(&surface->events.destroy, + &text_input->pending_focused_surface_destroy); +} + +static void text_input_clear_pending_focused_surface( + struct sway_text_input *text_input) { + wl_list_remove(&text_input->pending_focused_surface_destroy.link); + wl_list_init(&text_input->pending_focused_surface_destroy.link); + text_input->pending_focused_surface = NULL; +} + +static void handle_im_destroy(struct wl_listener *listener, void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + input_method_destroy); + struct wlr_input_method_v2 *context = data; + assert(context == relay->input_method); + relay->input_method = NULL; + struct sway_text_input *text_input = relay_get_focused_text_input(relay); + if (text_input) { + // keyboard focus is still there, so keep the surface at hand in case + // the input method returns + text_input_set_pending_focused_surface(text_input, + text_input->input->focused_surface); + wlr_text_input_v3_send_leave(text_input->input); + } +} + +static void relay_send_im_state(struct sway_input_method_relay *relay, + struct wlr_text_input_v3 *input) { + struct wlr_input_method_v2 *input_method = relay->input_method; + if (!input_method) { + sway_log(SWAY_INFO, "Sending IM_DONE but im is gone"); + return; + } + // TODO: only send each of those if they were modified + wlr_input_method_v2_send_surrounding_text(input_method, + input->current.surrounding.text, input->current.surrounding.cursor, + input->current.surrounding.anchor); + wlr_input_method_v2_send_text_change_cause(input_method, + input->current.text_change_cause); + wlr_input_method_v2_send_content_type(input_method, + input->current.content_type.hint, input->current.content_type.purpose); + wlr_input_method_v2_send_done(input_method); + // TODO: pass intent, display popup size +} + +static struct sway_text_input *text_input_to_sway( + struct sway_input_method_relay *relay, + struct wlr_text_input_v3 *text_input) { + struct sway_text_input *sway_text_input = NULL; + wl_list_for_each(sway_text_input, &relay->text_inputs, link) { + if (sway_text_input->input == text_input) { + return sway_text_input; + } + } + return NULL; +} + +static void handle_text_input_enable(struct wl_listener *listener, void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + text_input_enable); + if (relay->input_method == NULL) { + sway_log(SWAY_INFO, "Enabling text input when input method is gone"); + return; + } + struct sway_text_input *text_input = text_input_to_sway(relay, + (struct wlr_text_input_v3*)data); + wlr_input_method_v2_send_activate(relay->input_method); + relay_send_im_state(relay, text_input->input); +} + +static void handle_text_input_commit(struct wl_listener *listener, + void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + text_input_commit); + struct sway_text_input *text_input = text_input_to_sway(relay, + (struct wlr_text_input_v3*)data); + if (!text_input->input->current_enabled) { + sway_log(SWAY_INFO, "Inactive text input tried to commit an update"); + return; + } + sway_log(SWAY_DEBUG, "Text input committed update"); + if (relay->input_method == NULL) { + sway_log(SWAY_INFO, "Text input committed, but input method is gone"); + return; + } + relay_send_im_state(relay, text_input->input); +} + +static void relay_disable_text_input(struct sway_input_method_relay *relay, + struct sway_text_input *text_input) { + if (relay->input_method == NULL) { + sway_log(SWAY_DEBUG, "Disabling text input, but input method is gone"); + return; + } + wlr_input_method_v2_send_deactivate(relay->input_method); + relay_send_im_state(relay, text_input->input); +} + +static void handle_text_input_disable(struct wl_listener *listener, + void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + text_input_disable); + struct sway_text_input *text_input = text_input_to_sway(relay, + (struct wlr_text_input_v3*)data); + relay_disable_text_input(relay, text_input); +} + +static void handle_text_input_destroy(struct wl_listener *listener, + void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + text_input_destroy); + struct sway_text_input *text_input = text_input_to_sway(relay, + (struct wlr_text_input_v3*)data); + + if (text_input->input->current_enabled) { + relay_disable_text_input(relay, text_input); + } + text_input_clear_pending_focused_surface(text_input); + wl_list_remove(&text_input->link); + text_input->input = NULL; + free(text_input); +} + +static void handle_pending_focused_surface_destroy(struct wl_listener *listener, + void *data) { + struct sway_text_input *text_input = wl_container_of(listener, text_input, + pending_focused_surface_destroy); + struct wlr_surface *surface = data; + assert(text_input->pending_focused_surface == surface); + text_input->pending_focused_surface = NULL; +} + +struct sway_text_input *sway_text_input_create( + struct sway_input_method_relay *relay, + struct wlr_text_input_v3 *text_input) { + struct sway_text_input *input = calloc(1, sizeof(struct sway_text_input)); + if (!input) { + return NULL; + } + input->input = text_input; + input->relay = relay; + + relay->text_input_enable.notify = handle_text_input_enable; + wl_signal_add(&text_input->events.enable, &relay->text_input_enable); + + relay->text_input_commit.notify = handle_text_input_commit; + wl_signal_add(&text_input->events.commit, &relay->text_input_commit); + + relay->text_input_disable.notify = handle_text_input_disable; + wl_signal_add(&text_input->events.disable, &relay->text_input_disable); + + relay->text_input_destroy.notify = handle_text_input_destroy; + wl_signal_add(&text_input->events.destroy, &relay->text_input_destroy); + + input->pending_focused_surface_destroy.notify = + handle_pending_focused_surface_destroy; + wl_list_init(&input->pending_focused_surface_destroy.link); + return input; +} + +static void relay_handle_text_input(struct wl_listener *listener, + void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + text_input_new); + struct wlr_text_input_v3 *wlr_text_input = data; + if (relay->seat->wlr_seat != wlr_text_input->seat) { + return; + } + + struct sway_text_input *text_input = sway_text_input_create(relay, + wlr_text_input); + if (!text_input) { + return; + } + wl_list_insert(&relay->text_inputs, &text_input->link); +} + +static void relay_handle_input_method(struct wl_listener *listener, + void *data) { + struct sway_input_method_relay *relay = wl_container_of(listener, relay, + input_method_new); + struct wlr_input_method_v2 *input_method = data; + if (relay->seat->wlr_seat != input_method->seat) { + return; + } + + if (relay->input_method != NULL) { + sway_log(SWAY_INFO, "Attempted to connect second input method to a seat"); + wlr_input_method_v2_send_unavailable(input_method); + return; + } + + relay->input_method = input_method; + wl_signal_add(&relay->input_method->events.commit, + &relay->input_method_commit); + relay->input_method_commit.notify = handle_im_commit; + wl_signal_add(&relay->input_method->events.destroy, + &relay->input_method_destroy); + relay->input_method_destroy.notify = handle_im_destroy; + + struct sway_text_input *text_input = relay_get_focusable_text_input(relay); + if (text_input) { + wlr_text_input_v3_send_enter(text_input->input, + text_input->pending_focused_surface); + text_input_clear_pending_focused_surface(text_input); + } +} + +void sway_input_method_relay_init(struct sway_seat *seat, + struct sway_input_method_relay *relay) { + relay->seat = seat; + wl_list_init(&relay->text_inputs); + + relay->text_input_new.notify = relay_handle_text_input; + wl_signal_add(&server.text_input->events.text_input, + &relay->text_input_new); + + relay->input_method_new.notify = relay_handle_input_method; + wl_signal_add( + &server.input_method->events.input_method, + &relay->input_method_new); +} + +void sway_input_method_relay_set_focus(struct sway_input_method_relay *relay, + struct wlr_surface *surface) { + struct sway_text_input *text_input; + wl_list_for_each(text_input, &relay->text_inputs, link) { + if (text_input->pending_focused_surface) { + assert(text_input->input->focused_surface == NULL); + if (surface != text_input->pending_focused_surface) { + text_input_clear_pending_focused_surface(text_input); + } + } else if (text_input->input->focused_surface) { + assert(text_input->pending_focused_surface == NULL); + if (surface != text_input->input->focused_surface) { + relay_disable_text_input(relay, text_input); + wlr_text_input_v3_send_leave(text_input->input); + } + } + + if (surface + && wl_resource_get_client(text_input->input->resource) + == wl_resource_get_client(surface->resource)) { + if (relay->input_method) { + wlr_text_input_v3_send_enter(text_input->input, surface); + } else { + text_input_set_pending_focused_surface(text_input, surface); + } + } + } +} diff --git a/sway/meson.build b/sway/meson.build index 8a549108..226e6458 100644 --- a/sway/meson.build +++ b/sway/meson.build @@ -33,6 +33,7 @@ sway_sources = files( 'input/seatop_resize_tiling.c', 'input/switch.c', 'input/tablet.c', + 'input/text_input.c', 'config/bar.c', 'config/output.c', diff --git a/sway/server.c b/sway/server.c index 9be073a0..3f658598 100644 --- a/sway/server.c +++ b/sway/server.c @@ -138,6 +138,8 @@ bool server_init(struct sway_server *server) { handle_output_power_manager_set_mode; wl_signal_add(&server->output_power_manager_v1->events.set_mode, &server->output_power_manager_set_mode); + server->input_method = wlr_input_method_manager_v2_create(server->wl_display); + server->text_input = wlr_text_input_manager_v3_create(server->wl_display); wlr_export_dmabuf_manager_v1_create(server->wl_display); wlr_screencopy_manager_v1_create(server->wl_display);