From 0bd40ce86bf53b4349aae1e98aae50bcd86b2505 Mon Sep 17 00:00:00 2001 From: Drew DeVault Date: Mon, 2 Apr 2018 23:07:43 -0400 Subject: [PATCH] Set up an XKB context for the keyboard --- swaylock/main.c | 104 +++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 99 insertions(+), 5 deletions(-) diff --git a/swaylock/main.c b/swaylock/main.c index 948d661b..555b1d64 100644 --- a/swaylock/main.c +++ b/swaylock/main.c @@ -8,11 +8,13 @@ #include #include #include +#include #include #include #include #include #include +#include #include "background-image.h" #include "pool-buffer.h" #include "cairo.h" @@ -25,6 +27,59 @@ struct swaylock_args { bool show_indicator; }; +enum mod_bit { + MOD_SHIFT = 1<<0, + MOD_CAPS = 1<<1, + MOD_CTRL = 1<<2, + MOD_ALT = 1<<3, + MOD_MOD2 = 1<<4, + MOD_MOD3 = 1<<5, + MOD_LOGO = 1<<6, + MOD_MOD5 = 1<<7, +}; + +enum mask { + MASK_SHIFT, + MASK_CAPS, + MASK_CTRL, + MASK_ALT, + MASK_MOD2, + MASK_MOD3, + MASK_LOGO, + MASK_MOD5, + MASK_LAST +}; + +const char *XKB_MASK_NAMES[MASK_LAST] = { + XKB_MOD_NAME_SHIFT, + XKB_MOD_NAME_CAPS, + XKB_MOD_NAME_CTRL, + XKB_MOD_NAME_ALT, + "Mod2", + "Mod3", + XKB_MOD_NAME_LOGO, + "Mod5", +}; + +const enum mod_bit XKB_MODS[MASK_LAST] = { + MOD_SHIFT, + MOD_CAPS, + MOD_CTRL, + MOD_ALT, + MOD_MOD2, + MOD_MOD3, + MOD_LOGO, + MOD_MOD5 +}; + +struct swaylock_xkb { + uint32_t modifiers; + struct xkb_state *state; + struct xkb_context *context; + struct xkb_keymap *keymap; + xkb_mod_mask_t masks[MASK_LAST]; +}; + struct swaylock_state { struct wl_display *display; struct wl_compositor *compositor; @@ -32,6 +87,7 @@ struct swaylock_state { struct wl_shm *shm; struct wl_list contexts; struct swaylock_args args; + struct swaylock_xkb xkb; bool run_display; }; @@ -100,7 +156,29 @@ static struct zwlr_layer_surface_v1_listener layer_surface_listener = { static void keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard, uint32_t format, int32_t fd, uint32_t size) { - // TODO + struct swaylock_state *state = data; + if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) { + close(fd); + wlr_log(L_ERROR, "Unknown keymap format %d, aborting", format); + exit(1); + } + char *map_shm = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); + if (map_shm == MAP_FAILED) { + close(fd); + wlr_log(L_ERROR, "Unable to initialize keymap shm, aborting"); + exit(1); + } + struct xkb_keymap *keymap = xkb_keymap_new_from_string( + state->xkb.context, map_shm, XKB_KEYMAP_FORMAT_TEXT_V1, 0); + munmap(map_shm, size); + close(fd); + assert(keymap); + struct xkb_state *xkb_state = xkb_state_new(keymap); + assert(xkb_state); + xkb_keymap_unref(state->xkb.keymap); + xkb_state_unref(state->xkb.state); + state->xkb.keymap = keymap; + state->xkb.state = xkb_state; } static void keyboard_enter(void *data, struct wl_keyboard *wl_keyboard, @@ -114,14 +192,30 @@ static void keyboard_leave(void *data, struct wl_keyboard *wl_keyboard, } static void keyboard_key(void *data, struct wl_keyboard *wl_keyboard, - uint32_t serial, uint32_t time, uint32_t key, uint32_t state) { - // TODO + uint32_t serial, uint32_t time, uint32_t key, uint32_t _key_state) { + struct swaylock_state *state = data; + enum wl_keyboard_key_state key_state = _key_state; + xkb_keysym_t sym = xkb_state_key_get_one_sym(state->xkb.state, key + 8); + uint32_t keycode = key_state == WL_KEYBOARD_KEY_STATE_PRESSED ? + key + 8 : 0; + uint32_t codepoint = xkb_state_key_get_utf32(state->xkb.state, keycode); + wlr_log(L_DEBUG, "%c %d", codepoint, sym); } static void keyboard_modifiers(void *data, struct wl_keyboard *wl_keyboard, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group) { - // TODO + struct swaylock_state *state = data; + xkb_state_update_mask(state->xkb.state, + mods_depressed, mods_latched, mods_locked, 0, 0, group); + xkb_mod_mask_t mask = xkb_state_serialize_mods(state->xkb.state, + XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED); + state->xkb.modifiers = 0; + for (uint32_t i = 0; i < MASK_LAST; ++i) { + if (mask & state->xkb.masks[i]) { + state->xkb.modifiers |= XKB_MODS[i]; + } + } } static void keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard, @@ -345,7 +439,7 @@ int main(int argc, char **argv) { } wl_list_init(&state.contexts); - + state.xkb.context = xkb_context_new(XKB_CONTEXT_NO_FLAGS); assert(state.display = wl_display_connect(NULL)); struct wl_registry *registry = wl_display_get_registry(state.display);