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/*
* Copyright (c) 2003-2007 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* gui-keyboard: keyboard functions (GUI independant) */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "../common/weechat.h"
#include "gui.h"
#include "../common/command.h"
#include "../common/log.h"
#include "../common/util.h"
#ifdef PLUGINS
#include "../plugins/plugins.h"
#endif
t_gui_key *gui_keys = NULL;
t_gui_key *last_gui_key = NULL;
char gui_key_buffer[128];
int gui_key_grab = 0;
int gui_key_grab_count = 0;
t_gui_key_function gui_key_functions[] =
{ { "return", gui_action_return,
N_("terminate line") },
{ "tab", gui_action_tab,
N_("complete word") },
{ "tab_previous", gui_action_tab_previous,
N_("find previous completion for word") },
{ "backspace", gui_action_backspace,
N_("delete previous char") },
{ "delete", gui_action_delete,
N_("delete next char") },
{ "delete_end_line", gui_action_delete_end_of_line,
N_("delete until end of line") },
{ "delete_beginning_line", gui_action_delete_begin_of_line,
N_("delete until beginning of line") },
{ "delete_line", gui_action_delete_line,
N_("delete entire line") },
{ "delete_previous_word", gui_action_delete_previous_word,
N_("delete previous word") },
{ "delete_next_word", gui_action_delete_next_word,
N_("delete next word") },
{ "clipboard_paste", gui_action_clipboard_paste,
N_("paste current clipboard content") },
{ "transpose_chars", gui_action_transpose_chars,
N_("transpose chars") },
{ "home", gui_action_home,
N_("go to beginning of line") },
{ "end", gui_action_end,
N_("go to end of line") },
{ "left", gui_action_left,
N_("move one char left") },
{ "previous_word", gui_action_previous_word,
N_("move to previous word") },
{ "right", gui_action_right,
N_("move one char right") },
{ "next_word", gui_action_next_word,
N_("move to next word") },
{ "up", gui_action_up,
N_("call previous command in history") },
{ "up_global", gui_action_up_global,
N_("call previous command in global history") },
{ "down", gui_action_down,
N_("call next command in history") },
{ "down_global", gui_action_down_global,
N_("call next command in global history") },
{ "page_up", gui_action_page_up,
N_("scroll one page up") },
{ "page_down", gui_action_page_down,
N_("scroll one page down") },
{ "scroll_up", gui_action_scroll_up,
N_("scroll a few lines up") },
{ "scroll_down", gui_action_scroll_down,
N_("scroll a few lines down") },
{ "scroll_top", gui_action_scroll_top,
N_("scroll to top of buffer") },
{ "scroll_bottom", gui_action_scroll_bottom,
N_("scroll to bottom of buffer") },
{ "scroll_topic_left", gui_action_scroll_topic_left,
N_("scroll left topic") },
{ "scroll_topic_right", gui_action_scroll_topic_right,
N_("scroll right topic") },
{ "nick_beginning", gui_action_nick_beginning,
N_("display beginning of nicklist") },
{ "nick_end", gui_action_nick_end,
N_("display end of nicklist") },
{ "nick_page_up", gui_action_nick_page_up,
N_("scroll nicklist one page up") },
{ "nick_page_down", gui_action_nick_page_down,
N_("scroll nicklist one page down") },
{ "jump_smart", gui_action_jump_smart,
N_("jump to buffer with activity") },
{ "jump_dcc", gui_action_jump_dcc,
N_("jump to DCC buffer") },
{ "jump_raw_data", gui_action_jump_raw_data,
N_("jump to raw IRC data buffer") },
{ "jump_last_buffer", gui_action_jump_last_buffer,
N_("jump to last buffer") },
{ "jump_server", gui_action_jump_server,
N_("jump to server buffer") },
{ "jump_next_server", gui_action_jump_next_server,
N_("jump to next server") },
{ "switch_server", gui_action_switch_server,
N_("switch active server on servers buffer") },
{ "scroll_previous_highlight", gui_action_scroll_previous_highlight,
N_("scroll to previous highlight in buffer") },
{ "scroll_next_highlight", gui_action_scroll_next_highlight,
N_("scroll to next highlight in buffer") },
{ "scroll_unread", gui_action_scroll_unread,
N_("scroll to first unread line in buffer") },
{ "hotlist_clear", gui_action_hotlist_clear,
N_("clear hotlist") },
{ "infobar_clear", gui_action_infobar_clear,
N_("clear infobar") },
{ "refresh", gui_action_refresh_screen,
N_("refresh screen") },
{ "grab_key", gui_action_grab_key,
N_("grab a key") },
{ "insert", gui_action_insert_string,
N_("insert a string in command line") },
{ NULL, NULL, NULL }
};
/*
* gui_keyboard_init: init keyboard (create default key bindings)
*/
void
gui_keyboard_init ()
{
gui_key_buffer[0] = '\0';
gui_key_grab = 0;
gui_key_grab_count = 0;
gui_keyboard_default_bindings ();
}
/*
* gui_keyboard_init_show: init "show mode"
*/
void
gui_keyboard_init_grab ()
{
gui_key_grab = 1;
gui_key_grab_count = 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 (char *key)
{
char *result;
if ((result = (char *) malloc (strlen (key) + 1)))
{
result[0] = '\0';
while (key[0])
{
if (ascii_strncasecmp (key, "meta2-", 6) == 0)
{
strcat (result, "^[[");
key += 6;
}
if (ascii_strncasecmp (key, "meta-", 5) == 0)
{
strcat (result, "^[");
key += 5;
}
else if (ascii_strncasecmp (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 (char *key)
{
char *result;
if ((result = (char *) malloc ((strlen (key) * 5) + 1)))
{
result[0] = '\0';
while (key[0])
{
if (ascii_strncasecmp (key, "^[[", 3) == 0)
{
strcat (result, "meta2-");
key += 3;
}
if (ascii_strncasecmp (key, "^[", 2) == 0)
{
strcat (result, "meta-");
key += 2;
}
else if ((key[0] == '^') && (key[1]))
{
strcat (result, "ctrl-");
key++;
}
else
{
strncat (result, key, 1);
key++;
}
}
}
else
return NULL;
return result;
}
/*
* gui_keyboard_find_pos: find position for a key (for sorting keys list)
*/
t_gui_key *
gui_keyboard_find_pos (t_gui_key *key)
{
t_gui_key *ptr_key;
for (ptr_key = gui_keys; ptr_key; ptr_key = ptr_key->next_key)
{
if (ascii_strcasecmp (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 (t_gui_key *key)
{
t_gui_key *pos_key;
if (gui_keys)
{
pos_key = gui_keyboard_find_pos (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
gui_keys = key;
pos_key->prev_key = key;
}
else
{
/* add key to the end */
key->prev_key = last_gui_key;
key->next_key = NULL;
last_gui_key->next_key = key;
last_gui_key = key;
}
}
else
{
key->prev_key = NULL;
key->next_key = NULL;
gui_keys = key;
last_gui_key = key;
}
}
/*
* gui_keyboard_new: add a new key in keys list
*/
t_gui_key *
gui_keyboard_new (char *key, char *command, t_gui_key_func *function, char *args)
{
t_gui_key *new_key;
char *internal_code;
int length;
if ((new_key = (t_gui_key *) malloc (sizeof (t_gui_key))))
{
internal_code = gui_keyboard_get_internal_code (key);
new_key->key = (internal_code) ? strdup (internal_code) : strdup (key);
if (internal_code)
free (internal_code);
new_key->command = (command) ? strdup (command) : NULL;
new_key->function = function;
if (args)
{
if (args[0] == '"')
{
length = strlen (args);
if ((length > 1) && (args[length - 1] == '"'))
new_key->args = strndup (args + 1, length - 2);
else
new_key->args = strdup (args);
}
else
new_key->args = strdup (args);
}
else
new_key->args = NULL;
gui_keyboard_insert_sorted (new_key);
}
else
return NULL;
return new_key;
}
/*
* gui_keyboard_search: search a key
*/
t_gui_key *
gui_keyboard_search (char *key)
{
t_gui_key *ptr_key;
for (ptr_key = gui_keys; ptr_key; ptr_key = ptr_key->next_key)
{
if (ascii_strcasecmp (ptr_key->key, key) == 0)
return ptr_key;
}
/* key not found */
return NULL;
}
/*
* gui_keyboard_cmp: compares 2 keys
*/
int
gui_keyboard_cmp (char *key, char *search)
{
while (search[0])
{
if (toupper(key[0]) != toupper(search[0]))
return search[0] - key[0];
key++;
search++;
}
return 0;
}
/*
* gui_keyboard_search_part: search a key (maybe part of string)
*/
t_gui_key *
gui_keyboard_search_part (char *key)
{
t_gui_key *ptr_key;
for (ptr_key = gui_keys; ptr_key; ptr_key = ptr_key->next_key)
{
if (gui_keyboard_cmp (ptr_key->key, key) == 0)
return ptr_key;
}
/* key not found */
return NULL;
}
/*
* gui_keyboard_function_search_by_name: search a function by name
*/
t_gui_key_func *
gui_keyboard_function_search_by_name (char *name)
{
int i;
i = 0;
while (gui_key_functions[i].function_name)
{
if (ascii_strcasecmp (gui_key_functions[i].function_name, name) == 0)
return gui_key_functions[i].function;
i++;
}
/* function not found */
return NULL;
}
/*
* gui_keyboard_function_search_by_ptr: search a function by pointer
*/
char *
gui_keyboard_function_search_by_ptr (t_gui_key_func *function)
{
int i;
i = 0;
while (gui_key_functions[i].function_name)
{
if (gui_key_functions[i].function == function)
return gui_key_functions[i].function_name;
i++;
}
/* function not found */
return NULL;
}
/*
* gui_keyboard_bind: bind a key to a function (command or special function)
*/
t_gui_key *
gui_keyboard_bind (char *key, char *command)
{
t_gui_key_func *ptr_function;
t_gui_key *new_key;
char *ptr_args;
if (!key || !command)
{
weechat_log_printf (_("%s unable to bind key \"%s\"\n"),
WEECHAT_ERROR, key);
return NULL;
}
ptr_function = NULL;
ptr_args = NULL;
if (command[0] != '/')
{
ptr_args = strchr (command, ' ');
if (ptr_args)
ptr_args[0] = '\0';
ptr_function = gui_keyboard_function_search_by_name (command);
if (ptr_args)
{
ptr_args[0] = ' ';
ptr_args++;
while (ptr_args[0] == ' ')
ptr_args++;
}
if (!ptr_function)
{
weechat_log_printf (_("%s unable to bind key \"%s\" (invalid function name: \"%s\")\n"),
WEECHAT_ERROR, key, command);
return NULL;
}
}
gui_keyboard_unbind (key);
new_key = gui_keyboard_new (key,
(ptr_function) ? NULL : command,
ptr_function,
ptr_args);
if (!new_key)
{
weechat_log_printf (_("%s not enough memory for key binding\n"),
WEECHAT_ERROR);
return NULL;
}
return new_key;
}
/*
* gui_keyboard_unbind: remove a key binding
*/
int
gui_keyboard_unbind (char *key)
{
t_gui_key *ptr_key;
char *internal_code;
internal_code = gui_keyboard_get_internal_code (key);
ptr_key = gui_keyboard_search ((internal_code) ? internal_code : key);
if (ptr_key)
gui_keyboard_free (ptr_key);
if (internal_code)
free (internal_code);
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 (char *key_str)
{
int first_key;
t_gui_key *ptr_key;
char *buffer_before_key;
/* add key to buffer */
first_key = (gui_key_buffer[0] == '\0');
strcat (gui_key_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 */
ptr_key = gui_keyboard_search_part (gui_key_buffer);
if (ptr_key)
{
if (ascii_strcasecmp (ptr_key->key, gui_key_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_buffer[0] = '\0';
if (ptr_key->command)
user_command (SERVER(gui_current_window->buffer),
CHANNEL(gui_current_window->buffer),
ptr_key->command, 0);
else
(void)(ptr_key->function)(gui_current_window, ptr_key->args);
#ifdef PLUGINS
(void) plugin_keyboard_handler_exec (
(ptr_key->command) ?
ptr_key->command : gui_keyboard_function_search_by_ptr (ptr_key->function),
buffer_before_key,
gui_current_window->buffer->input_buffer);
#endif
if (buffer_before_key)
free (buffer_before_key);
}
return 0;
}
gui_key_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 (t_gui_key *key)
{
/* free memory */
if (key->key)
free (key->key);
if (key->command)
free (key->command);
if (key->args)
free (key->args);
/* 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 (gui_keys == key)
gui_keys = key->next_key;
if (last_gui_key == key)
last_gui_key = key->prev_key;
free (key);
}
/*
* gui_keyboard_free_all: delete all key bindings
*/
void
gui_keyboard_free_all ()
{
while (gui_keys)
gui_keyboard_free (gui_keys);
}
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