--- clients/.gitignore | 1 + clients/Makefile.am | 7 + clients/hiragana-ime.c | 546 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 Dateien geändert, 554 Zeilen hinzugefügt(+) create mode 100644 clients/hiragana-ime.c
diff --git a/clients/.gitignore b/clients/.gitignore index b43992b..2235a18 100644 --- a/clients/.gitignore +++ b/clients/.gitignore @@ -26,6 +26,7 @@ weston-terminal weston-screensaver wscreensaver editor +hiragana-ime text-protocol.c text-client-protocol.h keyboard diff --git a/clients/Makefile.am b/clients/Makefile.am index 133eaca..ed2de14 100644 --- a/clients/Makefile.am +++ b/clients/Makefile.am @@ -53,6 +53,7 @@ clients_programs = \ eventdemo \ clickdot \ editor \ + hiragana-ime \ keyboard \ $(full_gl_client_programs) @@ -106,6 +107,12 @@ editor_SOURCES = \ text-client-protocol.h editor_LDADD = $(toolkit_libs) +hiragana_ime_SOURCES = \ + hiragana-ime.c \ + text-protocol.c \ + text-client-protocol.h +hiragana_ime_LDADD = $(toolkit_libs) + keyboard_SOURCES = \ keyboard.c \ desktop-shell-client-protocol.h \ diff --git a/clients/hiragana-ime.c b/clients/hiragana-ime.c new file mode 100644 index 0000000..122b52b --- /dev/null +++ b/clients/hiragana-ime.c @@ -0,0 +1,546 @@ +/* + * Copyright © 2012 Philipp Brüschweiler + * + * Permission to use, copy, modify, distribute, and sell this software and + * its documentation for any purpose is hereby granted without fee, provided + * that the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of the copyright holders not be used in + * advertising or publicity pertaining to distribution of the software + * without specific, written prior permission. The copyright holders make + * no representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF + * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <assert.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> +#include <unistd.h> + +#include "desktop-shell-client-protocol.h" +#include "text-client-protocol.h" +#include "window.h" + +typedef enum { + STATE_EMPTY = 0, + STATE_B, + STATE_BY, + STATE_C, + STATE_CH, + STATE_D, + STATE_DY, + STATE_F, + STATE_FY, + STATE_G, + STATE_GY, + STATE_H, + STATE_HY, + STATE_J, + STATE_JY, + STATE_K, + STATE_KY, + STATE_L, + STATE_LY, + STATE_M, + STATE_MY, + STATE_N, + STATE_NY, + STATE_P, + STATE_PY, + STATE_Q, + STATE_R, + STATE_RY, + STATE_S, + STATE_SH, + STATE_SY, + STATE_T, + STATE_TY, + STATE_V, + STATE_VY, + STATE_W, + STATE_X, + STATE_XY, + STATE_Y, + STATE_Z, + STATE_ZY +} hiragana_state; + +struct hiragana_ime { + struct display *display; + struct input_method *input_method; + struct wl_keyboard *input_method_keyboard; + + uint32_t modifiers; + struct { + struct xkb_context *context; + struct xkb_keymap *keymap; + struct xkb_state *state; + xkb_mod_mask_t control_mask; + xkb_mod_mask_t alt_mask; + xkb_mod_mask_t shift_mask; + } xkb; + + bool on; + hiragana_state state; +}; + +static const char * +state_to_preedit(hiragana_state state) +{ + switch (state) { + case STATE_EMPTY: return ""; + case STATE_B: return "b"; + case STATE_BY: return "by"; + case STATE_C: return "c"; + case STATE_CH: return "ch"; + case STATE_D: return "d"; + case STATE_DY: return "dy"; + case STATE_F: return "f"; + case STATE_FY: return "fy"; + case STATE_G: return "g"; + case STATE_GY: return "gy"; + case STATE_H: return "h"; + case STATE_HY: return "hy"; + case STATE_J: return "j"; + case STATE_JY: return "jy"; + case STATE_K: return "k"; + case STATE_KY: return "ky"; + case STATE_L: return "l"; + case STATE_LY: return "ly"; + case STATE_M: return "m"; + case STATE_MY: return "my"; + case STATE_N: return "n"; + case STATE_NY: return "ny"; + case STATE_P: return "p"; + case STATE_PY: return "py"; + case STATE_Q: return "q"; + case STATE_R: return "r"; + case STATE_RY: return "ry"; + case STATE_S: return "s"; + case STATE_SH: return "sh"; + case STATE_SY: return "sy"; + case STATE_T: return "t"; + case STATE_TY: return "ty"; + case STATE_V: return "v"; + case STATE_VY: return "vy"; + case STATE_W: return "w"; + case STATE_X: return "x"; + case STATE_XY: return "xy"; + case STATE_Y: return "y"; + case STATE_Z: return "z"; + case STATE_ZY: return "zy"; + } +} + +static const char *vowel_table[][5] = { + {"あ", "い", "う", "え", "お"}, // STATE_EMPTY + {"ば", "び", "ぶ", "べ", "ぼ"}, // STATE_B + {"びゃ", "びぃ", "びゅ", "びぇ", "びょ"}, // STATE_BY + {"か", "し", "く", "せ", "こ"}, // STATE_C + {"ちゃ", "ち", "ちゅ", "ちぇ", "ちょ"}, // STATE_CH + {"だ", "ぢ", "づ", "で", "ど"}, // STATE_D + {"ぢゃ", "ぢぃ", "ぢゅ", "ぢぇ", "ぢょ"}, // STATE_DY + {"ふぁ", "ふぃ", "ふ", "ふぇ", "ふぉ"}, // STATE_F + {"ふゃ", "fyい", "ふゅ", "fyえ", "ふょ"}, // STATE_FY + {"が", "ぎ", "ぐ", "げ", "ご"}, // STATE_G + {"ぎゃ", "ぎぃ", "ぎゅ", "ぎぇ", "ぎょ"}, // STATE_GY + {"は", "ひ", "ふ", "へ", "ほ"}, // STATE_H + {"ひゃ", "ひぃ", "ひゅ", "ひぇ", "ひょ"}, // STATE_HY + {"じゃ", "じ", "じゅ", "じぇ", "じょ"}, // STATE_J + {"じゃ", "じぃ", "じゅ", "じぇ", "じょ"}, // STATE_JY + {"か", "き", "く", "け", "こ"}, // STATE_K + {"きゃ", "きぃ", "きゅ", "きぇ", "きょ"}, // STATE_KY + {"ぁ", "ぃ", "ぅ", "ぇ", "ぉ"}, // STATE_L + {"ゃ", "ぃ", "ゅ", "ぇ", "ょ"}, // STATE_LY + {"ま", "み", "む", "め", "も"}, // STATE_M + {"みゃ", "みぃ", "みゅ", "みぇ", "みょ"}, // STATE_MY + {"な", "に", "ぬ", "ね", "の"}, // STATE_N + {"にゃ", "にぃ", "にゅ", "にぇ", "にょ"}, // STATE_NY + {"ぱ", "ぴ", "ぷ", "ぺ", "ぽ"}, // STATE_P + {"ぴゃ", "ぴぃ", "ぴゅ", "ぴぇ", "ぴょ"}, // STATE_PY + {"くぁ", "くぃ", "く", "くぇ", "くぉ"}, // STATE_Q + {"ら", "り", "る", "れ", "ろ"}, // STATE_R + {"りゃ", "りぃ", "りゅ", "りぇ", "りょ"}, // STATE_RY + {"さ", "し", "す", "せ", "そ"}, // STATE_S + {"しゃ", "し", "しゅ", "しぇ", "しょ"}, // STATE_SH + {"しゃ", "しぃ", "しゅ", "しぇ", "しょ"}, // STATE_SY + {"た", "ち", "つ", "て", "と"}, // STATE_T + {"ちゃ", "ちぃ", "ちゅ", "ちぇ", "ちょ"}, // STATE_TY + {"ヴぁ", "ヴぃ", "ヴ", "ヴぇ", "ヴぉ"}, // STATE_V + {"ヴゃ", "ヴぃ", "ヴゅ", "ヴぇ", "ヴょ"}, // STATE_VY + {"わ", "うぃ", "う", "うぇ", "を"}, // STATE_W + {"ぁ", "ぃ", "ぅ", "ぇ", "ぉ"}, // STATE_X + {"ゃ", "ぃ", "ゅ", "ぇ", "ょ"}, // STATE_XY + {"や", "yい", "ゆ", "いぇ", "よ"}, // STATE_Y + {"ざ", "じ", "ず", "ぜ", "ぞ"}, // STATE_Z + {"じゃ", "じぃ", "じゅ", "じぇ", "じょ"} // STATE_ZY +}; + +static inline int +vowel_index(uint32_t sym) +{ + switch (sym) { + case 'a': return 0; + case 'i': return 1; + case 'u': return 2; + case 'e': return 3; + case 'o': return 4; + default: return -1; + } +} + +static inline hiragana_state +consonant_to_state(uint32_t sym) +{ + switch (sym) { + case 'b': return STATE_B; + case 'c': return STATE_C; + case 'd': return STATE_D; + case 'f': return STATE_F; + case 'g': return STATE_G; + case 'h': return STATE_H; + case 'j': return STATE_J; + case 'k': return STATE_K; + case 'l': return STATE_L; + case 'm': return STATE_M; + case 'n': return STATE_N; + case 'p': return STATE_P; + case 'q': return STATE_Q; + case 'r': return STATE_R; + case 's': return STATE_S; + case 't': return STATE_T; + case 'v': return STATE_V; + case 'w': return STATE_W; + case 'x': return STATE_X; + case 'y': return STATE_Y; + case 'z': return STATE_Z; + default: assert(false); + } +} + +static void +update_state(hiragana_state state, + uint32_t sym, + hiragana_state *new_state, + const char **output) +{ + *output = NULL; + if (sym == 'y') { + switch (state) { + case STATE_B: *new_state = STATE_BY; return; + case STATE_D: *new_state = STATE_DY; return; + case STATE_F: *new_state = STATE_FY; return; + case STATE_G: *new_state = STATE_GY; return; + case STATE_H: *new_state = STATE_HY; return; + case STATE_J: *new_state = STATE_JY; return; + case STATE_K: *new_state = STATE_KY; return; + case STATE_L: *new_state = STATE_LY; return; + case STATE_M: *new_state = STATE_MY; return; + case STATE_N: *new_state = STATE_NY; return; + case STATE_P: *new_state = STATE_PY; return; + case STATE_R: *new_state = STATE_RY; return; + case STATE_S: *new_state = STATE_SY; return; + case STATE_T: *new_state = STATE_TY; return; + case STATE_V: *new_state = STATE_VY; return; + case STATE_X: *new_state = STATE_XY; return; + case STATE_Z: *new_state = STATE_ZY; return; + default: break; // continue normal handling + } + } else if (sym == 'h') { + switch (state) { + case STATE_C: *new_state = STATE_CH; return; + case STATE_S: *new_state = STATE_SH; return; + default: break; // continue normal handling + } + } else if (sym == XKB_KEY_BackSpace) { + switch (state) { + case STATE_CH: *new_state = STATE_C; break; + case STATE_SH: *new_state = STATE_S; break; + case STATE_BY: *new_state = STATE_B; break; + case STATE_DY: *new_state = STATE_D; break; + case STATE_FY: *new_state = STATE_F; break; + case STATE_GY: *new_state = STATE_G; break; + case STATE_HY: *new_state = STATE_H; break; + case STATE_JY: *new_state = STATE_J; break; + case STATE_KY: *new_state = STATE_K; break; + case STATE_LY: *new_state = STATE_L; break; + case STATE_MY: *new_state = STATE_M; break; + case STATE_NY: *new_state = STATE_N; break; + case STATE_PY: *new_state = STATE_P; break; + case STATE_RY: *new_state = STATE_R; break; + case STATE_SY: *new_state = STATE_S; break; + case STATE_TY: *new_state = STATE_T; break; + case STATE_VY: *new_state = STATE_V; break; + case STATE_XY: *new_state = STATE_X; break; + case STATE_ZY: *new_state = STATE_Z; break; + default: *new_state = STATE_EMPTY; break; + } + return; + } + + int vi = vowel_index(sym); + + // N needs special handling + if (state == STATE_N) { + if (vi >= 0) { + *new_state = STATE_EMPTY; + *output = vowel_table[STATE_N][vi]; + } else if (sym == 'n') { + *new_state = STATE_EMPTY; + *output = "ん"; + } else if (sym == 'y') { + *new_state = STATE_NY; + } else { + *new_state = consonant_to_state(sym); + *output = "ん"; + } + return; + } + + if (vi >= 0) { + *output = vowel_table[state][vi]; + *new_state = STATE_EMPTY; + } else { + *output = state_to_preedit(state); + *new_state = consonant_to_state(sym); + } +} + +static void +ime_handle_key(struct hiragana_ime *ime, uint32_t key, uint32_t sym, + enum wl_keyboard_key_state state) +{ + if (state != WL_KEYBOARD_KEY_STATE_PRESSED) + return; + + if (sym == ' ' && (ime->modifiers & ime->xkb.control_mask)) { + ime->on = !ime->on; + fprintf(stderr, "turning ime %s\n", ime->on ? "on" : "off"); + if (!ime->on) { + input_method_preedit_string(ime->input_method, "", -1); + ime->state = STATE_EMPTY; + } + return; + } + + if (!ime->on) + return; + + const char *output = NULL; + if (sym == XKB_KEY_BackSpace || (sym >= 'a' && sym <= 'z')) { + update_state(ime->state, sym, &ime->state, &output); + } + + if (output && *output) { + fprintf(stderr, "committing '%s'\n", output); + input_method_commit_string(ime->input_method, output, -1); + } + + if (ime->state != STATE_EMPTY || !(output && *output)) { + const char *preedit_string = state_to_preedit(ime->state); + fprintf(stderr, "preedit '%s'\n", preedit_string); + input_method_preedit_string(ime->input_method, preedit_string, -1); + } +} + +static void reset_hiragana_ime(struct hiragana_ime *ime) +{ + ime->on = false; + ime->state = STATE_EMPTY; +} + +static void +input_method_reset(void *data, + struct input_method *input_method) +{ + struct hiragana_ime *ime = data; + reset_hiragana_ime(ime); +} + +static void +input_method_keymap(void *data, + struct wl_keyboard *wl_keyboard, + uint32_t format, + int32_t fd, + uint32_t size) +{ + struct hiragana_ime *ime = data; + + // XXX: this is copy-pasted from window.c + char *map_str; + + if (!data) { + close(fd); + return; + } + + if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) { + close(fd); + return; + } + + map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); + if (map_str == MAP_FAILED) { + close(fd); + return; + } + + ime->xkb.keymap = xkb_map_new_from_string(ime->xkb.context, + map_str, + XKB_KEYMAP_FORMAT_TEXT_V1, + 0); + munmap(map_str, size); + close(fd); + + if (!ime->xkb.keymap) { + fprintf(stderr, "failed to compile keymap\n"); + return; + } + + ime->xkb.state = xkb_state_new(ime->xkb.keymap); + if (!ime->xkb.state) { + fprintf(stderr, "failed to create XKB state\n"); + xkb_map_unref(ime->xkb.keymap); + ime->xkb.keymap = NULL; + return; + } + + ime->xkb.control_mask = + 1 << xkb_map_mod_get_index(ime->xkb.keymap, "Control"); + ime->xkb.alt_mask = + 1 << xkb_map_mod_get_index(ime->xkb.keymap, "Mod1"); + ime->xkb.shift_mask = + 1 << xkb_map_mod_get_index(ime->xkb.keymap, "Shift"); +} + +static void +input_method_key(void *data, + struct wl_keyboard *wl_keyboard, + uint32_t serial, + uint32_t time, + uint32_t key, + uint32_t state_w) +{ + struct hiragana_ime *ime = data; + + // XXX: copied from window.c + uint32_t code, num_syms; + enum wl_keyboard_key_state state = state_w; + const xkb_keysym_t *syms; + xkb_keysym_t sym; + xkb_mod_mask_t mask; + + code = key + 8; + if (!ime->xkb.state) + return; + + num_syms = xkb_key_get_syms(ime->xkb.state, code, &syms); + + mask = xkb_state_serialize_mods(ime->xkb.state, + XKB_STATE_DEPRESSED | + XKB_STATE_LATCHED); + ime->modifiers = 0; + if (mask & ime->xkb.control_mask) + ime->modifiers |= MOD_CONTROL_MASK; + if (mask & ime->xkb.alt_mask) + ime->modifiers |= MOD_ALT_MASK; + if (mask & ime->xkb.shift_mask) + ime->modifiers |= MOD_SHIFT_MASK; + + sym = XKB_KEY_NoSymbol; + if (num_syms == 1) + sym = syms[0]; + + ime_handle_key(ime, key, sym, state); +} + +static void +input_method_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) +{ + struct hiragana_ime *ime = data; + + // XXX: copied from window.c + xkb_state_update_mask(ime->xkb.state, mods_depressed, mods_latched, + mods_locked, 0, 0, group); +} + +static const struct wl_keyboard_listener input_method_keyboard_listener = { + input_method_keymap, + NULL, /* enter */ + NULL, /* leave */ + input_method_key, + input_method_modifiers +}; + +static const struct input_method_listener input_method_listener = { + input_method_reset +}; + +static void +global_handler(struct wl_display *display, uint32_t id, + const char *interface, uint32_t version, void *data) +{ + struct hiragana_ime *ime = data; + + if (!strcmp(interface, "input_method")) { + ime->input_method = wl_display_bind(display, id, &input_method_interface); + input_method_add_listener(ime->input_method, + &input_method_listener, + ime); + ime->input_method_keyboard = + input_method_request_keyboard(ime->input_method); + wl_keyboard_add_listener(ime->input_method_keyboard, + &input_method_keyboard_listener, + ime); + } +} + +int +main(int argc, char *argv[]) +{ + struct hiragana_ime ime; + memset(&ime, 0, sizeof ime); + + reset_hiragana_ime(&ime); + + ime.xkb.context = xkb_context_new(0); + if (ime.xkb.context == NULL) { + fprintf(stderr, "Failed to create XKB context\n"); + return 1; + } + + ime.display = display_create(argc, argv); + if (ime.display == NULL) { + fprintf(stderr, "failed to create display: %m\n"); + return 1; + } + + wl_display_add_global_listener(display_get_display(ime.display), + global_handler, &ime); + + display_set_user_data(ime.display, &ime); + + display_run(ime.display); + + xkb_state_unref(ime.xkb.state); + xkb_map_unref(ime.xkb.keymap); + + return 0; +} -- 1.7.11.2 _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel