basic keyboard

include/sway/input/keyboard.h

@@ -0,0 +1,13 @@
+#include "sway/input/seat.h"
+
+struct sway_keyboard {
+	struct sway_seat *seat;
+	struct wlr_input_device *device;
+	struct wl_list link; // sway_seat::keyboards
+
+	struct wl_listener keyboard_key;
+	struct wl_listener keyboard_modifiers;
+};
+
+struct sway_keyboard *sway_keyboard_create(struct sway_seat *seat,
+		struct wlr_input_device *device);

include/sway/input/seat.h

@@ -10,6 +10,8 @@ struct sway_seat {
 	struct sway_input_manager *input;
 	swayc_t *focus;
 
+	struct wl_list keyboards;
+
 	struct wl_listener focus_destroy;
 };
 

sway/input/keyboard.c

@@ -0,0 +1,57 @@
+#include "sway/input/seat.h"
+#include "sway/input/keyboard.h"
+#include "log.h"
+
+static void handle_keyboard_key(struct wl_listener *listener, void *data) {
+	struct sway_keyboard *keyboard =
+		wl_container_of(listener, keyboard, keyboard_key);
+	struct wlr_event_keyboard_key *event = data;
+	wlr_seat_set_keyboard(keyboard->seat->seat, keyboard->device);
+	wlr_seat_keyboard_notify_key(keyboard->seat->seat, event->time_msec,
+		event->keycode, event->state);
+}
+
+static void handle_keyboard_modifiers(struct wl_listener *listener,
+		void *data) {
+	struct sway_keyboard *keyboard =
+		wl_container_of(listener, keyboard, keyboard_modifiers);
+	wlr_seat_set_keyboard(keyboard->seat->seat, keyboard->device);
+	wlr_seat_keyboard_notify_modifiers(keyboard->seat->seat);
+}
+
+struct sway_keyboard *sway_keyboard_create(struct sway_seat *seat,
+		struct wlr_input_device *device) {
+	struct sway_keyboard *keyboard =
+		calloc(1, sizeof(struct sway_keyboard));
+	if (!sway_assert(keyboard, "could not allocate sway keyboard")) {
+		return NULL;
+	}
+
+	keyboard->device = device;
+	keyboard->seat = seat;
+
+	// TODO keyboard config
+	struct xkb_rule_names rules;
+	memset(&rules, 0, sizeof(rules));
+	rules.rules = getenv("XKB_DEFAULT_RULES");
+	rules.model = getenv("XKB_DEFAULT_MODEL");
+	rules.layout = getenv("XKB_DEFAULT_LAYOUT");
+	rules.variant = getenv("XKB_DEFAULT_VARIANT");
+	rules.options = getenv("XKB_DEFAULT_OPTIONS");
+	struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+	if (!sway_assert(context, "cannot create XKB context")) {
+		return NULL;
+	}
+
+	wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context,
+		&rules, XKB_KEYMAP_COMPILE_NO_FLAGS));
+	xkb_context_unref(context);
+
+	wl_signal_add(&device->keyboard->events.key, &keyboard->keyboard_key);
+	keyboard->keyboard_key.notify = handle_keyboard_key;
+
+	wl_signal_add(&device->keyboard->events.modifiers, &keyboard->keyboard_modifiers);
+	keyboard->keyboard_modifiers.notify = handle_keyboard_modifiers;
+
+	return keyboard;
+}

sway/input/seat.c

@@ -4,6 +4,7 @@
 #include "sway/input/seat.h"
 #include "sway/input/cursor.h"
 #include "sway/input/input-manager.h"
+#include "sway/input/keyboard.h"
 #include "sway/output.h"
 #include "sway/view.h"
 #include "log.h"
@@ -36,6 +37,8 @@ struct sway_seat *sway_seat_create(struct sway_input_manager *input,
 
 	sway_seat_configure_xcursor(seat);
 
+	wl_list_init(&seat->keyboards);
+
 	return seat;
 }
 
@@ -45,6 +48,13 @@ static void seat_add_pointer(struct sway_seat *seat,
 	wlr_cursor_attach_input_device(seat->cursor->cursor, device);
 }
 
+static void seat_add_keyboard(struct sway_seat *seat,
+		struct wlr_input_device *device) {
+	struct sway_keyboard *keyboard = sway_keyboard_create(seat, device);
+	wl_list_insert(&seat->keyboards, &keyboard->link);
+	wlr_seat_set_keyboard(seat->seat, device);
+}
+
 void sway_seat_add_device(struct sway_seat *seat,
 		struct wlr_input_device *device) {
 	sway_log(L_DEBUG, "input add: %s", device->name);
@@ -53,6 +63,8 @@ void sway_seat_add_device(struct sway_seat *seat,
 			seat_add_pointer(seat, device);
 			break;
 		case WLR_INPUT_DEVICE_KEYBOARD:
+			seat_add_keyboard(seat, device);
+			break;
 		case WLR_INPUT_DEVICE_TOUCH:
 		case WLR_INPUT_DEVICE_TABLET_PAD:
 		case WLR_INPUT_DEVICE_TABLET_TOOL:
@@ -138,7 +150,7 @@ void sway_seat_set_focus(struct sway_seat *seat, swayc_t *container) {
 		view->iface.set_activated(view, true);
 		wl_signal_add(&container->events.destroy, &seat->focus_destroy);
 		seat->focus_destroy.notify = handle_focus_destroy;
-		// TODO give keyboard focus
+		wlr_seat_keyboard_notify_enter(seat->seat, view->surface);
 	}
 
 	seat->focus = container;

sway/meson.build

@@ -5,6 +5,7 @@ sway_sources = files(
 	'input/input-manager.c',
 	'input/seat.c',
 	'input/cursor.c',
+	'input/keyboard.c',
 	'commands/exit.c',
 	'commands/exec.c',
 	'commands/exec_always.c',
@@ -30,6 +31,7 @@ sway_deps = [
 	libcap,
 	math,
 	libinput,
+	xkbcommon,
 ]
 
 executable(