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#include <wayland-client.h>
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#include <xkbcommon/xkbcommon.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/timerfd.h>
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#include "wayland-desktop-shell-client-protocol.h"
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#include "wayland-swaylock-client-protocol.h"
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#include "client/registry.h"
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#include "stringop.h"
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#include "log.h"
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static void display_handle_mode(void *data, struct wl_output *wl_output,
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uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
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struct output_state *state = data;
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if (flags & WL_OUTPUT_MODE_CURRENT) {
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state->flags = flags;
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state->width = width;
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state->height = height;
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}
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}
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static void display_handle_geometry(void *data, struct wl_output *wl_output,
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int32_t x, int32_t y, int32_t physical_width, int32_t physical_height,
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int32_t subpixel, const char *make, const char *model, int32_t transform) {
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// this space intentionally left blank
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}
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static void display_handle_done(void *data, struct wl_output *wl_output) {
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// this space intentionally left blank
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}
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static void display_handle_scale(void *data, struct wl_output *wl_output, int32_t factor) {
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// this space intentionally left blank
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}
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static const struct wl_output_listener output_listener = {
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.mode = display_handle_mode,
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.geometry = display_handle_geometry,
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.done = display_handle_done,
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.scale = display_handle_scale
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};
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const char *XKB_MASK_NAMES[MASK_LAST] = {
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XKB_MOD_NAME_SHIFT,
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XKB_MOD_NAME_CAPS,
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XKB_MOD_NAME_CTRL,
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XKB_MOD_NAME_ALT,
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"Mod2",
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"Mod3",
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XKB_MOD_NAME_LOGO,
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"Mod5",
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};
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const enum mod_bit XKB_MODS[MASK_LAST] = {
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MOD_SHIFT,
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MOD_CAPS,
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MOD_CTRL,
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MOD_ALT,
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MOD_MOD2,
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MOD_MOD3,
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MOD_LOGO,
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MOD_MOD5
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};
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static void keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
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uint32_t format, int fd, uint32_t size) {
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// Keyboard errors are abort-worthy because you wouldn't be able to unlock your screen otherwise.
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struct registry *registry = data;
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if (!data) {
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close(fd);
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return;
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}
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if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
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close(fd);
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sway_abort("Unknown keymap format %d, aborting", format);
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}
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char *map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
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if (map_str == MAP_FAILED) {
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close(fd);
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sway_abort("Unable to initialized shared keyboard memory, aborting");
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}
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struct xkb_keymap *keymap = xkb_keymap_new_from_string(registry->input->xkb.context,
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map_str, XKB_KEYMAP_FORMAT_TEXT_V1, 0);
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munmap(map_str, size);
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close(fd);
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if (!keymap) {
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sway_abort("Failed to compile keymap, aborting");
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}
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struct xkb_state *state = xkb_state_new(keymap);
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if (!state) {
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xkb_keymap_unref(keymap);
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sway_abort("Failed to create xkb state, aborting");
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}
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xkb_keymap_unref(registry->input->xkb.keymap);
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xkb_state_unref(registry->input->xkb.state);
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registry->input->xkb.keymap = keymap;
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registry->input->xkb.state = state;
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int i;
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for (i = 0; i < MASK_LAST; ++i) {
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registry->input->xkb.masks[i] = 1 << xkb_keymap_mod_get_index(registry->input->xkb.keymap, XKB_MASK_NAMES[i]);
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}
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}
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static void keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, struct wl_surface *surface, struct wl_array *keys) {
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// this space intentionally left blank
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}
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static void keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, struct wl_surface *surface) {
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// this space intentionally left blank
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}
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static void keyboard_handle_key(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, uint32_t time, uint32_t key, uint32_t state_w) {
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struct registry *registry = data;
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enum wl_keyboard_key_state state = state_w;
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if (!registry->input->xkb.state) {
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return;
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}
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xkb_keysym_t sym = xkb_state_key_get_one_sym(registry->input->xkb.state, key + 8);
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registry->input->sym = (state == WL_KEYBOARD_KEY_STATE_PRESSED ? sym : XKB_KEY_NoSymbol);
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registry->input->code = (state == WL_KEYBOARD_KEY_STATE_PRESSED ? key + 8 : 0);
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if (registry->input->notify) {
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registry->input->notify(state, sym, key);
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}
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}
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static void keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
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uint32_t mods_locked, uint32_t group) {
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}
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static void keyboard_handle_repeat_info(void *data, struct wl_keyboard *keyboard,
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int32_t rate, int32_t delay) {
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}
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static const struct wl_keyboard_listener keyboard_listener = {
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.keymap = keyboard_handle_keymap,
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.enter = keyboard_handle_enter,
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.leave = keyboard_handle_leave,
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.key = keyboard_handle_key,
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.modifiers = keyboard_handle_modifiers,
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.repeat_info = keyboard_handle_repeat_info
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};
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static void registry_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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struct registry *reg = data;
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if (strcmp(interface, wl_compositor_interface.name) == 0) {
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reg->compositor = wl_registry_bind(registry, name, &wl_compositor_interface, version);
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
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reg->shm = wl_registry_bind(registry, name, &wl_shm_interface, version);
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} else if (strcmp(interface, wl_shell_interface.name) == 0) {
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reg->shell = wl_registry_bind(registry, name, &wl_shell_interface, version);
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} else if (strcmp(interface, wl_seat_interface.name) == 0) {
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reg->seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
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reg->pointer = wl_seat_get_pointer(reg->seat);
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reg->keyboard = wl_seat_get_keyboard(reg->seat);
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if (reg->keyboard) {
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wl_keyboard_add_listener(reg->keyboard, &keyboard_listener, reg);
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}
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} else if (strcmp(interface, wl_output_interface.name) == 0) {
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struct wl_output *output = wl_registry_bind(registry, name, &wl_output_interface, version);
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struct output_state *ostate = malloc(sizeof(struct output_state));
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ostate->output = output;
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wl_output_add_listener(output, &output_listener, ostate);
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list_add(reg->outputs, ostate);
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} else if (strcmp(interface, desktop_shell_interface.name) == 0) {
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reg->desktop_shell = wl_registry_bind(registry, name, &desktop_shell_interface, version);
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} else if (strcmp(interface, lock_interface.name) == 0) {
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reg->swaylock = wl_registry_bind(registry, name, &lock_interface, version);
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}
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}
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static void registry_global_remove(void *data, struct wl_registry *registry, uint32_t name) {
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// this space intentionally left blank
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}
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static const struct wl_registry_listener registry_listener = {
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.global = registry_global,
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.global_remove = registry_global_remove
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};
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struct registry *registry_poll(void) {
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struct registry *registry = malloc(sizeof(struct registry));
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memset(registry, 0, sizeof(struct registry));
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registry->outputs = create_list();
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registry->input = calloc(sizeof(struct input), 1);
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registry->input->xkb.context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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registry->display = wl_display_connect(NULL);
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if (!registry->display) {
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sway_log(L_ERROR, "Error opening display");
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registry_teardown(registry);
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return NULL;
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}
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struct wl_registry *reg = wl_display_get_registry(registry->display);
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wl_registry_add_listener(reg, ®istry_listener, registry);
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wl_display_dispatch(registry->display);
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wl_display_roundtrip(registry->display);
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wl_registry_destroy(reg);
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return registry;
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}
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void registry_teardown(struct registry *registry) {
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if (registry->pointer) {
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wl_pointer_destroy(registry->pointer);
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}
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if (registry->seat) {
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wl_seat_destroy(registry->seat);
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}
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if (registry->shell) {
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wl_shell_destroy(registry->shell);
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}
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if (registry->shm) {
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wl_shm_destroy(registry->shm);
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}
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if (registry->compositor) {
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wl_compositor_destroy(registry->compositor);
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}
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if (registry->display) {
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wl_display_disconnect(registry->display);
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}
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if (registry->outputs) {
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free_flat_list(registry->outputs);
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}
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}
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