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Diffstat (limited to 'src/gui/gui-keyboard.c')
| -rw-r--r-- | src/gui/gui-keyboard.c | 842 |
1 files changed, 0 insertions, 842 deletions
diff --git a/src/gui/gui-keyboard.c b/src/gui/gui-keyboard.c deleted file mode 100644 index 5ba07ab05..000000000 --- a/src/gui/gui-keyboard.c +++ /dev/null @@ -1,842 +0,0 @@ -/* - * Copyright (C) 2003-2011 Sebastien Helleu <flashcode@flashtux.org> - * - * This file is part of WeeChat, the extensible chat client. - * - * WeeChat is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * WeeChat is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with WeeChat. If not, see <http://www.gnu.org/licenses/>. - */ - -/* - * gui-keyboard: keyboard functions (used by all GUI) - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdlib.h> -#include <stddef.h> -#include <string.h> -#include <ctype.h> -#include <time.h> - -#include "../core/weechat.h" -#include "../core/wee-hdata.h" -#include "../core/wee-hook.h" -#include "../core/wee-infolist.h" -#include "../core/wee-input.h" -#include "../core/wee-log.h" -#include "../core/wee-string.h" -#include "../core/wee-utf8.h" -#include "../plugins/plugin.h" -#include "gui-keyboard.h" -#include "gui-buffer.h" -#include "gui-chat.h" -#include "gui-color.h" -#include "gui-completion.h" -#include "gui-input.h" -#include "gui-window.h" - - -struct t_gui_key *gui_keys = NULL; /* key bindings */ -struct t_gui_key *last_gui_key = NULL; /* last key binding */ -struct t_gui_key *gui_default_keys = NULL; /* default key bindings */ -struct t_gui_key *last_gui_default_key = NULL; /* last default key binding */ - -int gui_keys_count = 0; /* number of defined keys */ -int gui_default_keys_count = 0; /* number of default keys */ - -int gui_keyboard_verbose = 0; /* 1 to see some messages */ - -char gui_key_combo_buffer[128]; /* buffer used for combos */ -int gui_key_grab = 0; /* 1 if grab mode enabled (alt-k) */ -int gui_key_grab_count = 0; /* number of keys pressed in grab mode */ -int gui_key_grab_command = 0; /* grab command bound to key? */ - -int *gui_keyboard_buffer = NULL; /* input buffer (for paste detection) */ -int gui_keyboard_buffer_alloc = 0; /* input buffer allocated size */ -int gui_keyboard_buffer_size = 0; /* input buffer size in bytes */ - -int gui_keyboard_paste_pending = 0; /* 1 is big paste was detected and */ - /* WeeChat is asking user what to do */ -int gui_keyboard_paste_lines = 0; /* number of lines for pending paste */ - -time_t gui_keyboard_last_activity_time = 0; /* last activity time (key) */ - - -/* - * gui_keyboard_init: init keyboard - */ - -void -gui_keyboard_init () -{ - gui_key_combo_buffer[0] = '\0'; - gui_key_grab = 0; - gui_key_grab_count = 0; - gui_keyboard_last_activity_time = time (NULL); - - /* create default keys and save them in a separate list */ - gui_keyboard_default_bindings (); - gui_default_keys = gui_keys; - last_gui_default_key = last_gui_key; - gui_default_keys_count = gui_keys_count; - gui_keys = NULL; - last_gui_key = NULL; - gui_keys_count = 0; -} - -/* - * gui_keyboard_grab_init: init "grab" mode - */ - -void -gui_keyboard_grab_init (int grab_command) -{ - gui_key_grab = 1; - gui_key_grab_count = 0; - gui_key_grab_command = grab_command; -} - -/* - * gui_keyboard_grab_end: insert grabbed key in input buffer - */ - -void -gui_keyboard_grab_end () -{ - char *expanded_key; - struct t_gui_key *ptr_key; - - /* get expanded name (for example: ^U => ctrl-u) */ - expanded_key = gui_keyboard_get_expanded_name (gui_key_combo_buffer); - - if (expanded_key) - { - if (gui_current_window->buffer->input) - { - gui_input_insert_string (gui_current_window->buffer, expanded_key, -1); - if (gui_key_grab_command) - { - ptr_key = gui_keyboard_search (gui_keys, gui_key_combo_buffer); - if (ptr_key) - { - gui_input_insert_string (gui_current_window->buffer, " ", -1); - gui_input_insert_string (gui_current_window->buffer, ptr_key->command, -1); - } - } - if (gui_current_window->buffer->completion) - gui_completion_stop (gui_current_window->buffer->completion, 1); - gui_input_text_changed_modifier_and_signal (gui_current_window->buffer, 1); - } - free (expanded_key); - } - - /* end grab mode */ - gui_key_grab = 0; - gui_key_grab_count = 0; - gui_key_grab_command = 0; - gui_key_combo_buffer[0] = '\0'; -} - -/* - * gui_keyboard_get_internal_code: get internal code from user key name - * for example: return "^R" for "ctrl-R" - */ - -char * -gui_keyboard_get_internal_code (const char *key) -{ - char *result; - - if ((result = malloc (strlen (key) + 1))) - { - result[0] = '\0'; - while (key[0]) - { - if (strncmp (key, "meta2-", 6) == 0) - { - strcat (result, "^[["); - key += 6; - } - if (strncmp (key, "meta-", 5) == 0) - { - strcat (result, "^["); - key += 5; - } - else if (strncmp (key, "ctrl-", 5) == 0) - { - strcat (result, "^"); - key += 5; - } - else - { - strncat (result, key, 1); - key++; - } - } - } - else - return NULL; - - return result; -} - -/* - * gui_keyboard_get_expanded_name: get expanded name from internal key code - * for example: return "ctrl-R" for "^R" - */ - -char * -gui_keyboard_get_expanded_name (const char *key) -{ - char *result; - - if (!key) - return NULL; - - result = malloc ((strlen (key) * 5) + 1); - if (result) - { - result[0] = '\0'; - while (key[0]) - { - if (strncmp (key, "^[[", 3) == 0) - { - strcat (result, "meta2-"); - key += 3; - } - if (strncmp (key, "^[", 2) == 0) - { - strcat (result, "meta-"); - key += 2; - } - else if ((key[0] == '^') && (key[1])) - { - strcat (result, "ctrl-"); - key++; - } - else - { - strncat (result, key, 1); - key++; - } - } - } - - return result; -} - -/* - * gui_keyboard_find_pos: find position for a key (for sorting keys list) - */ - -struct t_gui_key * -gui_keyboard_find_pos (struct t_gui_key *keys, struct t_gui_key *key) -{ - struct t_gui_key *ptr_key; - - for (ptr_key = keys; ptr_key; ptr_key = ptr_key->next_key) - { - if (strcmp (key->key, ptr_key->key) < 0) - return ptr_key; - } - return NULL; -} - -/* - * gui_keyboard_insert_sorted: insert key into sorted list - */ - -void -gui_keyboard_insert_sorted (struct t_gui_key **keys, - struct t_gui_key **last_key, - int *keys_count, - struct t_gui_key *key) -{ - struct t_gui_key *pos_key; - - if (*keys) - { - pos_key = gui_keyboard_find_pos (*keys, key); - - if (pos_key) - { - /* insert key into the list (before key found) */ - key->prev_key = pos_key->prev_key; - key->next_key = pos_key; - if (pos_key->prev_key) - pos_key->prev_key->next_key = key; - else - *keys = key; - pos_key->prev_key = key; - } - else - { - /* add key to the end */ - key->prev_key = *last_key; - key->next_key = NULL; - (*last_key)->next_key = key; - *last_key = key; - } - } - else - { - /* first key in list */ - key->prev_key = NULL; - key->next_key = NULL; - *keys = key; - *last_key = key; - } - - (*keys_count)++; -} - -/* - * gui_keyboard_new: add a new key in keys list - * if buffer is not null, then key is specific to buffer - * otherwise it's general key (for most keys) - */ - -struct t_gui_key * -gui_keyboard_new (struct t_gui_buffer *buffer, const char *key, - const char *command) -{ - struct t_gui_key *new_key; - char *expanded_name; - - if (!key || !command) - return NULL; - - if ((new_key = malloc (sizeof (*new_key)))) - { - new_key->key = gui_keyboard_get_internal_code (key); - if (!new_key->key) - new_key->key = strdup (key); - if (!new_key->key) - { - free (new_key); - return NULL; - } - new_key->command = strdup (command); - if (!new_key->command) - { - free (new_key->key); - free (new_key); - return NULL; - } - - if (buffer) - { - gui_keyboard_insert_sorted (&buffer->keys, &buffer->last_key, - &buffer->keys_count, new_key); - } - else - { - gui_keyboard_insert_sorted (&gui_keys, &last_gui_key, - &gui_keys_count, new_key); - } - - expanded_name = gui_keyboard_get_expanded_name (new_key->key); - - hook_signal_send ("key_bind", - WEECHAT_HOOK_SIGNAL_STRING, expanded_name); - - if (gui_keyboard_verbose) - { - gui_chat_printf (NULL, - _("New key binding: %s%s => %s%s"), - (expanded_name) ? expanded_name : new_key->key, - GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS), - GUI_COLOR(GUI_COLOR_CHAT), - new_key->command); - } - if (expanded_name) - free (expanded_name); - } - else - return NULL; - - return new_key; -} - -/* - * gui_keyboard_search: search a key - */ - -struct t_gui_key * -gui_keyboard_search (struct t_gui_key *keys, const char *key) -{ - struct t_gui_key *ptr_key; - - for (ptr_key = keys; ptr_key; ptr_key = ptr_key->next_key) - { - if (strcmp (ptr_key->key, key) == 0) - return ptr_key; - } - - /* key not found */ - return NULL; -} - -/* - * gui_keyboard_cmp: compares 2 keys - */ - -int -gui_keyboard_cmp (const char *key, const char *search) -{ - int diff; - - while (search[0]) - { - diff = utf8_charcmp (key, search); - if (diff != 0) - return diff; - key = utf8_next_char (key); - search = utf8_next_char (search); - } - - return 0; -} - -/* - * gui_keyboard_search_part: search a key (maybe part of string) - */ - -struct t_gui_key * -gui_keyboard_search_part (struct t_gui_buffer *buffer, const char *key) -{ - struct t_gui_key *ptr_key; - - for (ptr_key = (buffer) ? buffer->keys : gui_keys; ptr_key; - ptr_key = ptr_key->next_key) - { - if (ptr_key->key && (gui_keyboard_cmp (ptr_key->key, key) == 0)) - return ptr_key; - } - - /* key not found */ - return NULL; -} - -/* - * gui_keyboard_bind: bind a key to a function (command or special function) - * if buffer is not null, then key is specific to buffer - * otherwise it's general key (for most keys) - */ - -struct t_gui_key * -gui_keyboard_bind (struct t_gui_buffer *buffer, const char *key, const char *command) -{ - struct t_gui_key *new_key; - - if (!key || !command) - { - log_printf (_("Error: unable to bind key \"%s\""), key); - return NULL; - } - - gui_keyboard_unbind (buffer, key, 0); - - new_key = gui_keyboard_new (buffer, key, command); - if (!new_key) - { - log_printf (_("Error: not enough memory for key binding")); - return NULL; - } - - return new_key; -} - -/* - * gui_keyboard_unbind: remove a key binding - */ - -int -gui_keyboard_unbind (struct t_gui_buffer *buffer, const char *key, - int send_signal) -{ - struct t_gui_key *ptr_key; - char *internal_code; - - internal_code = gui_keyboard_get_internal_code (key); - - ptr_key = gui_keyboard_search ((buffer) ? buffer->keys : gui_keys, - (internal_code) ? internal_code : key); - if (ptr_key) - { - if (buffer) - { - gui_keyboard_free (&buffer->keys, &buffer->last_key, - &buffer->keys_count, ptr_key); - } - else - { - gui_keyboard_free (&gui_keys, &last_gui_key, - &gui_keys_count, ptr_key); - } - } - - if (internal_code) - free (internal_code); - - if (send_signal) - { - hook_signal_send ("key_unbind", - WEECHAT_HOOK_SIGNAL_STRING, (char *)key); - } - - return (ptr_key != NULL); -} - -/* - * gui_keyboard_pressed: treat new key pressed - * return: 1 if key should be added to input buffer - * 0 otherwise - */ - -int -gui_keyboard_pressed (const char *key_str) -{ - int first_key; - struct t_gui_key *ptr_key; - char *buffer_before_key; - char **commands, **ptr_cmd; - - /* add key to buffer */ - first_key = (gui_key_combo_buffer[0] == '\0'); - strcat (gui_key_combo_buffer, key_str); - - /* if we are in "show mode", increase counter and return */ - if (gui_key_grab) - { - gui_key_grab_count++; - return 0; - } - - /* look for key combo in key table for current buffer */ - ptr_key = gui_keyboard_search_part (gui_current_window->buffer, - gui_key_combo_buffer); - /* if key is not found for buffer, then look in general table */ - if (!ptr_key) - ptr_key = gui_keyboard_search_part (NULL, gui_key_combo_buffer); - - /* if key is found, then execute action */ - if (ptr_key) - { - if (strcmp (ptr_key->key, gui_key_combo_buffer) == 0) - { - /* exact combo found => execute function or command */ - buffer_before_key = - (gui_current_window->buffer->input_buffer) ? - strdup (gui_current_window->buffer->input_buffer) : strdup (""); - gui_key_combo_buffer[0] = '\0'; - if (ptr_key->command) - { - commands = string_split_command (ptr_key->command, ';'); - if (commands) - { - for (ptr_cmd = commands; *ptr_cmd; ptr_cmd++) - { - input_data (gui_current_window->buffer, - *ptr_cmd); - } - string_free_split_command (commands); - } - } - - if (buffer_before_key) - free (buffer_before_key); - } - return 0; - } - - gui_key_combo_buffer[0] = '\0'; - - /* - * if this is first key and not found (even partial) => return 1 - * else return 0 (= silently discard sequence of bad keys) - */ - return first_key; -} - -/* - * gui_keyboard_free: delete a key binding - */ - -void -gui_keyboard_free (struct t_gui_key **keys, struct t_gui_key **last_key, - int *keys_count, struct t_gui_key *key) -{ - /* free memory */ - if (key->key) - free (key->key); - if (key->command) - free (key->command); - - /* remove key from keys list */ - if (key->prev_key) - (key->prev_key)->next_key = key->next_key; - if (key->next_key) - (key->next_key)->prev_key = key->prev_key; - if (*keys == key) - *keys = key->next_key; - if (*last_key == key) - *last_key = key->prev_key; - - free (key); - - (*keys_count)--; -} - -/* - * gui_keyboard_free_all: delete all key bindings - */ - -void -gui_keyboard_free_all (struct t_gui_key **keys, struct t_gui_key **last_key, - int *keys_count) -{ - while (*keys) - { - gui_keyboard_free (keys, last_key, keys_count, *keys); - } -} - -/* - * gui_keyboard_buffer_optimize: optimize keyboard buffer size - */ - -void -gui_keyboard_buffer_optimize () -{ - int optimal_size; - - optimal_size = (((gui_keyboard_buffer_size * sizeof (int)) / - GUI_KEYBOARD_BUFFER_BLOCK_SIZE) * - GUI_KEYBOARD_BUFFER_BLOCK_SIZE) + - GUI_KEYBOARD_BUFFER_BLOCK_SIZE; - - if (gui_keyboard_buffer_alloc != optimal_size) - { - gui_keyboard_buffer_alloc = optimal_size; - gui_keyboard_buffer = realloc (gui_keyboard_buffer, optimal_size); - } -} - -/* - * gui_keyboard_buffer_reset: reset keyboard buffer - * (create empty if never created before) - */ - -void -gui_keyboard_buffer_reset () -{ - if (!gui_keyboard_buffer) - { - gui_keyboard_buffer_alloc = GUI_KEYBOARD_BUFFER_BLOCK_SIZE; - gui_keyboard_buffer_size = 0; - gui_keyboard_buffer = malloc (gui_keyboard_buffer_alloc); - } - else - { - gui_keyboard_buffer_size = 0; - gui_keyboard_buffer_optimize (); - } - gui_keyboard_paste_lines = 0; -} - -/* - * gui_keyboard_buffer_add: add a key to keyboard buffer - */ - -void -gui_keyboard_buffer_add (unsigned char key) -{ - if (!gui_keyboard_buffer) - gui_keyboard_buffer_reset (); - - gui_keyboard_buffer_size++; - - gui_keyboard_buffer_optimize (); - - if (gui_keyboard_buffer) - { - gui_keyboard_buffer[gui_keyboard_buffer_size - 1] = key; - if ((key == 13) - && (gui_keyboard_buffer_size > 1) - && (gui_keyboard_buffer[gui_keyboard_buffer_size - 2] != 13)) - gui_keyboard_paste_lines++; - } - else - { - gui_keyboard_buffer_alloc = 0; - gui_keyboard_buffer_size = 0; - gui_keyboard_paste_lines = 0; - } -} - -/* - * gui_keyboard_get_paste_lines: return real number of lines in buffer - * if last key is not Return, then this is lines + 1 - * else it's lines - */ - -int -gui_keyboard_get_paste_lines () -{ - if ((gui_keyboard_buffer_size > 0) - && (gui_keyboard_buffer[gui_keyboard_buffer_size - 1] != 13)) - return gui_keyboard_paste_lines + 1; - - return gui_keyboard_paste_lines; -} - -/* - * gui_keyboard_paste_accept: accept paste from user - */ - -void -gui_keyboard_paste_accept () -{ - gui_keyboard_paste_pending = 0; - gui_input_paste_pending_signal (); -} - - -/* - * gui_keyboard_paste_cancel: cancel paste from user (reset buffer) - */ - -void -gui_keyboard_paste_cancel () -{ - gui_keyboard_buffer_reset (); - gui_keyboard_paste_pending = 0; - gui_input_paste_pending_signal (); -} - -/* - * gui_keyboard_end: end keyboard (free some data) - */ - -void -gui_keyboard_end () -{ - /* free keyboard buffer */ - if (gui_keyboard_buffer) - free (gui_keyboard_buffer); - - /* free all keys */ - gui_keyboard_free_all (&gui_keys, &last_gui_key, &gui_keys_count); - - /* free all default keys */ - gui_keyboard_free_all (&gui_default_keys, &last_gui_default_key, - &gui_default_keys_count); -} - -/* - * gui_keyboard_hdata_key_cb: return hdata for key - */ - -struct t_hdata * -gui_keyboard_hdata_key_cb (void *data, const char *hdata_name) -{ - struct t_hdata *hdata; - - /* make C compiler happy */ - (void) data; - - hdata = hdata_new (NULL, hdata_name, "prev_key", "next_key"); - if (hdata) - { - HDATA_VAR(struct t_gui_key, key, STRING, NULL); - HDATA_VAR(struct t_gui_key, command, STRING, NULL); - HDATA_VAR(struct t_gui_key, prev_key, POINTER, hdata_name); - HDATA_VAR(struct t_gui_key, next_key, POINTER, hdata_name); - HDATA_LIST(gui_keys); - HDATA_LIST(last_gui_key); - HDATA_LIST(gui_default_keys); - HDATA_LIST(last_gui_default_key); - } - return hdata; -} - -/* - * gui_keyboard_add_to_infolist: add a key in an infolist - * return 1 if ok, 0 if error - */ - -int -gui_keyboard_add_to_infolist (struct t_infolist *infolist, - struct t_gui_key *key) -{ - struct t_infolist_item *ptr_item; - char *expanded_key; - - if (!infolist || !key) - return 0; - - ptr_item = infolist_new_item (infolist); - if (!ptr_item) - return 0; - - if (!infolist_new_var_string (ptr_item, "key_internal", key->key)) - return 0; - expanded_key = gui_keyboard_get_expanded_name (key->key); - if (expanded_key) - { - if (!infolist_new_var_string (ptr_item, "key", expanded_key)) - return 0; - free (expanded_key); - } - if (!infolist_new_var_string (ptr_item, "command", key->command)) - return 0; - - return 1; -} - -/* - * gui_keyboard_print_log: print key infos in log (usually for crash dump) - */ - -void -gui_keyboard_print_log (struct t_gui_buffer *buffer) -{ - struct t_gui_key *ptr_keys, *ptr_last_key, *ptr_key; - int keys_count; - char prefix[32]; - - ptr_keys = (buffer) ? buffer->keys : gui_keys; - ptr_last_key = (buffer) ? buffer->last_key : last_gui_key; - keys_count = (buffer) ? buffer->keys_count : gui_keys_count; - - snprintf (prefix, sizeof (prefix), "%s", (buffer) ? " " : ""); - - log_printf ("%skeys . . . . . . . . : 0x%lx", prefix, ptr_keys); - log_printf ("%slast_key . . . . . . : 0x%lx", prefix, ptr_last_key); - log_printf ("%skeys_count . . . . . : %d", prefix, keys_count); - - for (ptr_key = (buffer) ? buffer->keys : gui_keys; ptr_key; - ptr_key = ptr_key->next_key) - { - log_printf (""); - log_printf ("%s[key (addr:0x%lx)]", prefix, ptr_key); - log_printf ("%s key. . . . . . . . : '%s'", prefix, ptr_key->key); - log_printf ("%s command. . . . . . : '%s'", prefix, ptr_key->command); - log_printf ("%s prev_key . . . . . : 0x%lx", prefix, ptr_key->prev_key); - log_printf ("%s next_key . . . . . : 0x%lx", prefix, ptr_key->next_key); - } -} |