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weechat/src/gui/gui-key.c
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/*
* 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-key.c: 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-hashtable.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-key.h"
#include "gui-bar.h"
#include "gui-bar-window.h"
#include "gui-buffer.h"
#include "gui-chat.h"
#include "gui-color.h"
#include "gui-completion.h"
#include "gui-cursor.h"
#include "gui-focus.h"
#include "gui-input.h"
#include "gui-mouse.h"
#include "gui-window.h"
struct t_gui_key *gui_keys[GUI_KEY_NUM_CONTEXTS]; /* keys by context */
struct t_gui_key *last_gui_key[GUI_KEY_NUM_CONTEXTS]; /* last key */
struct t_gui_key *gui_default_keys[GUI_KEY_NUM_CONTEXTS]; /* default keys */
struct t_gui_key *last_gui_default_key[GUI_KEY_NUM_CONTEXTS];
int gui_keys_count[GUI_KEY_NUM_CONTEXTS]; /* keys number */
int gui_default_keys_count[GUI_KEY_NUM_CONTEXTS]; /* default keys number */
char *gui_key_context_string[GUI_KEY_NUM_CONTEXTS] =
{ "default", "search", "cursor", "mouse" };
char *gui_key_focus_string[GUI_KEY_NUM_FOCUS] =
{ "*", "chat", "bar", "item" };
int gui_key_verbose = 0; /* 1 to see some messages */
char gui_key_combo_buffer[1024]; /* 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_key_grab_delay = 0; /* delay for grab (default is 500) */
int *gui_key_buffer = NULL; /* input buffer (for paste detection) */
int gui_key_buffer_alloc = 0; /* input buffer allocated size */
int gui_key_buffer_size = 0; /* input buffer size in bytes */
int gui_key_paste_pending = 0; /* 1 is big paste was detected and */
/* WeeChat is asking user what to do */
int gui_key_paste_lines = 0; /* number of lines for pending paste */
time_t gui_key_last_activity_time = 0; /* last activity time (key) */
/*
* gui_key_init: init keyboard
*/
void
gui_key_init ()
{
int i;
gui_key_combo_buffer[0] = '\0';
gui_key_grab = 0;
gui_key_grab_count = 0;
gui_key_last_activity_time = time (NULL);
/* create default keys and save them in a separate list */
for (i = 0; i < GUI_KEY_NUM_CONTEXTS; i++)
{
gui_keys[i] = NULL;
last_gui_key[i] = NULL;
gui_default_keys[i] = NULL;
last_gui_default_key[i] = NULL;
gui_keys_count[i] = 0;
gui_default_keys_count[i] = 0;
gui_key_default_bindings (i);
gui_default_keys[i] = gui_keys[i];
last_gui_default_key[i] = last_gui_key[i];
gui_default_keys_count[i] = gui_keys_count[i];
gui_keys[i] = NULL;
last_gui_key[i] = NULL;
gui_keys_count[i] = 0;
}
}
/*
* gui_key_search_context: search context by name
*/
int
gui_key_search_context (const char *context)
{
int i;
for (i = 0; i < GUI_KEY_NUM_CONTEXTS; i++)
{
if (string_strcasecmp (gui_key_context_string[i], context) == 0)
return i;
}
/* context not found */
return -1;
}
/*
* gui_key_get_current_context: get current context
*/
int
gui_key_get_current_context ()
{
if (gui_cursor_mode)
return GUI_KEY_CONTEXT_CURSOR;
if (gui_current_window
&& (gui_current_window->buffer->text_search != GUI_TEXT_SEARCH_DISABLED))
return GUI_KEY_CONTEXT_SEARCH;
return GUI_KEY_CONTEXT_DEFAULT;
}
/*
* gui_key_grab_init: init "grab" mode
*/
void
gui_key_grab_init (int grab_command, const char *delay)
{
long milliseconds;
char *error;
gui_key_grab = 1;
gui_key_grab_count = 0;
gui_key_grab_command = grab_command;
gui_key_grab_delay = GUI_KEY_GRAB_DELAY_DEFAULT;
if (delay != NULL)
{
error = NULL;
milliseconds = strtol (delay, &error, 10);
if (error && !error[0] && (milliseconds >= 0))
{
gui_key_grab_delay = milliseconds;
if (gui_key_grab_delay == 0)
gui_key_grab_delay = 1;
}
}
}
/*
* gui_key_grab_end_timer_cb: insert grabbed key in input buffer
*/
int
gui_key_grab_end_timer_cb (void *data, int remaining_calls)
{
char *expanded_key, *expanded_key2;
struct t_gui_key *ptr_key;
/* make C compiler happy */
(void) data;
(void) remaining_calls;
/* get expanded name (for example: \x01+U => ctrl-u) */
expanded_key = gui_key_get_expanded_name (gui_key_combo_buffer);
if (expanded_key)
{
/*
* the expanded_key should be valid UTF-8 at this point,
* but some mouse codes can return ISO chars (for coordinates),
* then we will convert them to UTF-8 string
*/
if (!utf8_is_valid (expanded_key, NULL))
{
expanded_key2 = string_iconv_to_internal ("iso-8859-1",
expanded_key);
if (expanded_key2)
{
free (expanded_key);
expanded_key = expanded_key2;
}
else
{
/* conversion failed, then just replace invalid chars by '?' */
utf8_normalize (expanded_key, '?');
}
}
/* add expanded key to input buffer */
if (gui_current_window->buffer->input)
{
gui_input_insert_string (gui_current_window->buffer, expanded_key, -1);
if (gui_key_grab_command)
{
/* add command bound to key (if found) */
ptr_key = gui_key_search (gui_keys[GUI_KEY_CONTEXT_DEFAULT],
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';
return WEECHAT_RC_OK;
}
/*
* gui_key_get_internal_code: get internal code from user key name
* for example: return "\x01+R" for "ctrl-R"
*/
char *
gui_key_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, "\x01[[");
key += 6;
}
if (strncmp (key, "meta-", 5) == 0)
{
strcat (result, "\x01[");
key += 5;
}
else if (strncmp (key, "ctrl-", 5) == 0)
{
strcat (result, "\x01");
key += 5;
}
else
{
strncat (result, key, 1);
key++;
}
}
}
else
return NULL;
return result;
}
/*
* gui_key_get_expanded_name: get expanded name from internal key code
* for example: return "ctrl-R" for "\x01+R"
*/
char *
gui_key_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, "\x01[[", 3) == 0)
{
strcat (result, "meta2-");
key += 3;
}
if (strncmp (key, "\x01[", 2) == 0)
{
strcat (result, "meta-");
key += 2;
}
else if ((key[0] == '\x01') && (key[1]))
{
strcat (result, "ctrl-");
key++;
}
else
{
strncat (result, key, 1);
key++;
}
}
}
return result;
}
/*
* gui_key_find_pos: find position for a key (for sorting keys list)
*/
struct t_gui_key *
gui_key_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_key_insert_sorted: insert key into sorted list
*/
void
gui_key_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_key_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_key_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_key_new (struct t_gui_buffer *buffer, int context, 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_key_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_key_insert_sorted (&buffer->keys, &buffer->last_key,
&buffer->keys_count, new_key);
}
else
{
gui_key_insert_sorted (&gui_keys[context],
&last_gui_key[context],
&gui_keys_count[context], new_key);
}
expanded_name = gui_key_get_expanded_name (new_key->key);
hook_signal_send ("key_bind",
WEECHAT_HOOK_SIGNAL_STRING, expanded_name);
if (gui_key_verbose)
{
gui_chat_printf (NULL,
_("New key binding (context \"%s\"): "
"%s%s => %s%s"),
gui_key_context_string[context],
(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_key_search: search a key
*/
struct t_gui_key *
gui_key_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_key_cmp: compares 2 keys
*/
int
gui_key_cmp (const char *key, const char *search, int context)
{
int diff;
if (context == GUI_KEY_CONTEXT_MOUSE)
return (string_match (key, search, 1)) ? 0 : 1;
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_key_search_part: search a key (maybe part of string)
*/
struct t_gui_key *
gui_key_search_part (struct t_gui_buffer *buffer, int context,
const char *key)
{
struct t_gui_key *ptr_key;
for (ptr_key = (buffer) ? buffer->keys : gui_keys[context]; ptr_key;
ptr_key = ptr_key->next_key)
{
if (ptr_key->key
&& (((context != GUI_KEY_CONTEXT_CURSOR)
&& (context != GUI_KEY_CONTEXT_MOUSE))
|| (ptr_key->key[0] != '@')))
{
if (gui_key_cmp (ptr_key->key, key, context) == 0)
return ptr_key;
}
}
/* key not found */
return NULL;
}
/*
* gui_key_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_key_bind (struct t_gui_buffer *buffer, int context, 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_key_unbind (buffer, context, key, 0);
new_key = gui_key_new (buffer, context, key, command);
if (!new_key)
{
log_printf (_("Error: not enough memory for key binding"));
return NULL;
}
return new_key;
}
/*
* gui_key_unbind: remove a key binding
*/
int
gui_key_unbind (struct t_gui_buffer *buffer, int context, const char *key,
int send_signal)
{
struct t_gui_key *ptr_key;
char *internal_code;
internal_code = gui_key_get_internal_code (key);
ptr_key = gui_key_search ((buffer) ? buffer->keys : gui_keys[context],
(internal_code) ? internal_code : key);
if (ptr_key)
{
if (buffer)
{
gui_key_free (&buffer->keys, &buffer->last_key,
&buffer->keys_count, ptr_key);
}
else
{
gui_key_free (&gui_keys[context], &last_gui_key[context],
&gui_keys_count[context], 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_key_focus_matching: return 1 if area in key is matching focus area on
* screen (cursor/mouse)
*/
int
gui_key_focus_matching (int area_type, const char *area_name,
int focus_specific, int focus_any,
struct t_gui_focus_info *focus_info)
{
int match, match_any;
char buffer_full_name[512];
match_any = (strcmp (area_name, "*") == 0) ? 1 : 0;
if (!focus_specific && !match_any)
return 0;
if (!focus_any && match_any)
return 0;
if (area_type == GUI_KEY_FOCUS_ANY)
return 1;
match = 0;
switch (area_type)
{
case GUI_KEY_FOCUS_ANY:
match = 1;
break;
case GUI_KEY_FOCUS_CHAT:
if (focus_info->chat && focus_info->window)
{
snprintf (buffer_full_name, sizeof (buffer_full_name), "%s.%s",
gui_buffer_get_plugin_name ((focus_info->window)->buffer),
((focus_info->window)->buffer)->name);
if (string_match (buffer_full_name, area_name, 0))
{
match = 1;
}
}
break;
case GUI_KEY_FOCUS_BAR:
if (focus_info->bar_window
&& (string_match ((focus_info->bar_window)->bar->name, area_name, 0)))
{
match = 1;
}
break;
case GUI_KEY_FOCUS_ITEM:
if (focus_info->bar_item
&& (string_match (focus_info->bar_item, area_name, 0)))
{
match = 1;
}
break;
case GUI_KEY_NUM_FOCUS:
break;
}
return match;
}
/*
* gui_key_focus_get_area: get area focus (any, chat, bar or item) and name
*/
void
gui_key_focus_get_area (const char *key, int *area_type, char **area_name)
{
int i, length;
char *pos_end;
*area_type = GUI_KEY_FOCUS_ANY;
*area_name = NULL;
for (i = 0; i < GUI_KEY_NUM_FOCUS; i++)
{
length = strlen (gui_key_focus_string[i]);
if (strncmp (key + 1, gui_key_focus_string[i], length) == 0)
{
if (i == GUI_KEY_FOCUS_ANY)
{
*area_type = i;
*area_name = strdup ("*");
return;
}
if (key[1 + length] == ':')
{
*area_type = i;
*area_name = strdup ("*");
return;
}
if ((key[1 + length] == '(') && key[1 + length + 1])
{
pos_end = strchr (key + 1 + length, ')');
if (pos_end)
{
*area_type = i;
*area_name = string_strndup (key + 1 + length + 1,
pos_end - key - length - 2);
return;
}
}
}
}
}
/*
* gui_key_focus_command: run command according to focus
* return 1 if a command was executed, otherwise 0
*/
int
gui_key_focus_command (const char *key, int context,
int focus_specific, int focus_any,
struct t_gui_focus_info *focus_info1,
struct t_gui_focus_info *focus_info2)
{
struct t_gui_key *ptr_key;
int i, errors, matching, area_type, debug;
char *pos, *command, **commands, *area_name;
struct t_hashtable *hashtable;
debug = ((gui_cursor_debug && (context == GUI_KEY_CONTEXT_CURSOR))
|| (gui_mouse_debug && (context == GUI_KEY_CONTEXT_MOUSE)));
for (ptr_key = gui_keys[context]; ptr_key;
ptr_key = ptr_key->next_key)
{
if (ptr_key->key && (ptr_key->key[0] != '@'))
continue;
pos = strchr (ptr_key->key, ':');
if (!pos)
continue;
if (gui_key_cmp (key, pos + 1, context) != 0)
continue;
gui_key_focus_get_area (ptr_key->key, &area_type, &area_name);
if (!area_name)
continue;
matching = gui_key_focus_matching (area_type, area_name,
focus_specific, focus_any,
focus_info1);
free (area_name);
if (!matching)
continue;
hashtable = hook_focus_get_data (focus_info1,
focus_info2,
key);
if (debug)
{
gui_chat_printf (NULL, "Hashtable focus: %s",
hashtable_get_string (hashtable,
"keys_values_sorted"));
}
if (string_strncasecmp (ptr_key->command, "hsignal:", 8) == 0)
{
if (ptr_key->command[8])
{
if (debug)
{
gui_chat_printf (NULL, "Sending hsignal \"%s\"",
ptr_key->command + 8);
}
hook_hsignal_send (ptr_key->command + 8, hashtable);
}
}
else
{
command = string_replace_with_hashtable (ptr_key->command,
hashtable,
&errors);
if (command)
{
if (errors == 0)
{
if (debug)
{
gui_chat_printf (NULL,
"Executing command: %s (%s)",
command, ptr_key->command);
}
if ((context == GUI_KEY_CONTEXT_CURSOR) && gui_cursor_debug)
{
gui_input_delete_line (gui_current_window->buffer);
}
commands = string_split_command (command, ';');
if (commands)
{
for (i = 0; commands[i]; i++)
{
input_data (gui_current_window->buffer, commands[i]);
}
string_free_split_command (commands);
}
}
else
{
if (debug)
{
gui_chat_printf (NULL,
"Command NOT executed (%s)",
ptr_key->command);
}
}
free (command);
}
}
if (hashtable)
hashtable_free (hashtable);
return 1;
}
return 0;
}
/*
* gui_key_focus: process key pressed in cursor or mouse mode,
* looking for keys: "{area}key" in context "cursor" or "mouse"
* return 1 if a command was executed, otherwise 0
*/
int
gui_key_focus (const char *key, int context)
{
struct t_gui_focus_info focus_info1, focus_info2, *ptr_focus_info2;
ptr_focus_info2 = NULL;
if (context == GUI_KEY_CONTEXT_MOUSE)
{
if (gui_mouse_debug)
{
gui_chat_printf (NULL, "Mouse: %s, (%d,%d) -> (%d,%d)",
key,
gui_mouse_event_x[0], gui_mouse_event_y[0],
gui_mouse_event_x[1], gui_mouse_event_y[1]);
}
gui_focus_get_info (gui_mouse_event_x[0], gui_mouse_event_y[0],
&focus_info1);
if ((gui_mouse_event_x[0] != gui_mouse_event_x[1])
|| (gui_mouse_event_y[0] != gui_mouse_event_y[1]))
{
gui_focus_get_info (gui_mouse_event_x[1], gui_mouse_event_y[1],
&focus_info2);
ptr_focus_info2 = &focus_info2;
}
}
else
{
gui_focus_get_info (gui_cursor_x, gui_cursor_y, &focus_info1);
}
if (gui_key_focus_command (key, context, 1, 0,
&focus_info1, ptr_focus_info2))
{
return 1;
}
return gui_key_focus_command (key, context, 0, 1, &focus_info1,
ptr_focus_info2);
}
/*
* gui_key_pressed: process new key pressed
* return: 1 if key should be added to input buffer
* 0 otherwise
*/
int
gui_key_pressed (const char *key_str)
{
int i, first_key, context, length, length_key;
struct t_gui_key *ptr_key;
char **commands, *pos;
/* add key to buffer */
first_key = (gui_key_combo_buffer[0] == '\0');
length = strlen (gui_key_combo_buffer);
length_key = strlen (key_str);
if (length + length_key + 1 <= (int)sizeof (gui_key_combo_buffer))
strcat (gui_key_combo_buffer, key_str);
/* if we are in "show mode", increase counter and return */
if (gui_key_grab)
{
if (gui_key_grab_count == 0)
{
hook_timer (NULL, gui_key_grab_delay, 0, 1,
&gui_key_grab_end_timer_cb, NULL);
}
gui_key_grab_count++;
return 0;
}
/* mouse event pending */
if (gui_mouse_event_pending)
{
pos = strstr (gui_key_combo_buffer, "\x1B[M");
if (pos)
{
pos[0] = '\0';
gui_mouse_event_end ();
gui_mouse_event_init ();
}
return 0;
}
if (strcmp (gui_key_combo_buffer, "\x01[[M") == 0)
{
gui_key_combo_buffer[0] = '\0';
gui_mouse_event_init ();
return 0;
}
ptr_key = NULL;
context = gui_key_get_current_context ();
switch (context)
{
case GUI_KEY_CONTEXT_DEFAULT:
/* look for key combo in key table for current buffer */
ptr_key = gui_key_search_part (gui_current_window->buffer,
GUI_KEY_CONTEXT_DEFAULT,
gui_key_combo_buffer);
/* if key is not found for buffer, then look in general table */
if (!ptr_key)
ptr_key = gui_key_search_part (NULL,
GUI_KEY_CONTEXT_DEFAULT,
gui_key_combo_buffer);
break;
case GUI_KEY_CONTEXT_SEARCH:
ptr_key = gui_key_search_part (NULL,
GUI_KEY_CONTEXT_SEARCH,
gui_key_combo_buffer);
if (!ptr_key)
{
ptr_key = gui_key_search_part (NULL,
GUI_KEY_CONTEXT_DEFAULT,
gui_key_combo_buffer);
}
break;
case GUI_KEY_CONTEXT_CURSOR:
ptr_key = gui_key_search_part (NULL,
GUI_KEY_CONTEXT_CURSOR,
gui_key_combo_buffer);
break;
}
/* 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 */
gui_key_combo_buffer[0] = '\0';
if (ptr_key->command)
{
commands = string_split_command (ptr_key->command, ';');
if (commands)
{
for (i = 0; commands[i]; i++)
{
input_data (gui_current_window->buffer, commands[i]);
}
string_free_split_command (commands);
}
}
}
return 0;
}
else if (context == GUI_KEY_CONTEXT_CURSOR)
{
if (gui_key_focus (gui_key_combo_buffer, GUI_KEY_CONTEXT_CURSOR))
{
gui_key_combo_buffer[0] = '\0';
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_key_free: delete a key binding
*/
void
gui_key_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_key_free_all: delete all key bindings
*/
void
gui_key_free_all (struct t_gui_key **keys, struct t_gui_key **last_key,
int *keys_count)
{
while (*keys)
{
gui_key_free (keys, last_key, keys_count, *keys);
}
}
/*
* gui_key_buffer_optimize: optimize keyboard buffer size
*/
void
gui_key_buffer_optimize ()
{
int optimal_size;
optimal_size = (((gui_key_buffer_size * sizeof (int)) /
GUI_KEY_BUFFER_BLOCK_SIZE) *
GUI_KEY_BUFFER_BLOCK_SIZE) +
GUI_KEY_BUFFER_BLOCK_SIZE;
if (gui_key_buffer_alloc != optimal_size)
{
gui_key_buffer_alloc = optimal_size;
gui_key_buffer = realloc (gui_key_buffer, optimal_size);
}
}
/*
* gui_key_buffer_reset: reset keyboard buffer
* (create empty if never created before)
*/
void
gui_key_buffer_reset ()
{
if (!gui_key_buffer)
{
gui_key_buffer_alloc = GUI_KEY_BUFFER_BLOCK_SIZE;
gui_key_buffer_size = 0;
gui_key_buffer = malloc (gui_key_buffer_alloc);
}
else
{
gui_key_buffer_size = 0;
gui_key_buffer_optimize ();
}
gui_key_paste_lines = 0;
}
/*
* gui_key_buffer_add: add a key to keyboard buffer
*/
void
gui_key_buffer_add (unsigned char key)
{
if (!gui_key_buffer)
gui_key_buffer_reset ();
gui_key_buffer_size++;
gui_key_buffer_optimize ();
if (gui_key_buffer)
{
gui_key_buffer[gui_key_buffer_size - 1] = key;
if ((key == 13)
&& (gui_key_buffer_size > 1)
&& (gui_key_buffer[gui_key_buffer_size - 2] != 13))
gui_key_paste_lines++;
}
else
{
gui_key_buffer_alloc = 0;
gui_key_buffer_size = 0;
gui_key_paste_lines = 0;
}
}
/*
* gui_key_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_key_get_paste_lines ()
{
if ((gui_key_buffer_size > 0)
&& (gui_key_buffer[gui_key_buffer_size - 1] != 13))
return gui_key_paste_lines + 1;
return gui_key_paste_lines;
}
/*
* gui_key_paste_accept: accept paste from user
*/
void
gui_key_paste_accept ()
{
gui_key_paste_pending = 0;
gui_input_paste_pending_signal ();
}
/*
* gui_key_paste_cancel: cancel paste from user (reset buffer)
*/
void
gui_key_paste_cancel ()
{
gui_key_buffer_reset ();
gui_key_paste_pending = 0;
gui_input_paste_pending_signal ();
}
/*
* gui_key_end: end keyboard (free some data)
*/
void
gui_key_end ()
{
int i;
/* free key buffer */
if (gui_key_buffer)
free (gui_key_buffer);
for (i = 0; i < GUI_KEY_NUM_CONTEXTS; i++)
{
/* free keys */
gui_key_free_all (&gui_keys[i], &last_gui_key[i],
&gui_keys_count[i]);
/* free default keys */
gui_key_free_all (&gui_default_keys[i], &last_gui_default_key[i],
&gui_default_keys_count[i]);
}
}
/*
* gui_key_hdata_key_cb: return hdata for key
*/
struct t_hdata *
gui_key_hdata_key_cb (void *data, const char *hdata_name)
{
struct t_hdata *hdata;
int i;
char str_list[128];
/* 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);
for (i = 0; i < GUI_KEY_NUM_CONTEXTS; i++)
{
snprintf (str_list, sizeof (str_list),
"gui_keys%s%s",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : "_",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : gui_key_context_string[i]);
hdata_new_list(hdata, str_list, &gui_keys[i]);
snprintf (str_list, sizeof (str_list),
"last_gui_key%s%s",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : "_",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : gui_key_context_string[i]);
hdata_new_list(hdata, str_list, &last_gui_key[i]);
snprintf (str_list, sizeof (str_list),
"gui_default_keys%s%s",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : "_",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : gui_key_context_string[i]);
hdata_new_list(hdata, str_list, &gui_default_keys[i]);
snprintf (str_list, sizeof (str_list),
"last_gui_default_key%s%s",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : "_",
(i == GUI_KEY_CONTEXT_DEFAULT) ? "" : gui_key_context_string[i]);
hdata_new_list(hdata, str_list, &last_gui_default_key[i]);
}
}
return hdata;
}
/*
* gui_key_add_to_infolist: add a key in an infolist
* return 1 if ok, 0 if error
*/
int
gui_key_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_key_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_key_print_log: print key infos in log (usually for crash dump)
*/
void
gui_key_print_log (struct t_gui_buffer *buffer)
{
struct t_gui_key *ptr_key;
int i;
if (buffer)
{
log_printf (" keys . . . . . . . . : 0x%lx", buffer->keys);
log_printf (" last_key . . . . . . : 0x%lx", buffer->last_key);
log_printf (" keys_count . . . . . : %d", buffer->keys_count);
for (ptr_key = buffer->keys; ptr_key; ptr_key = ptr_key->next_key)
{
log_printf ("");
log_printf (" [key (addr:0x%lx)]", ptr_key);
log_printf (" key. . . . . . . . : '%s'", ptr_key->key);
log_printf (" command. . . . . . : '%s'", ptr_key->command);
log_printf (" prev_key . . . . . : 0x%lx", ptr_key->prev_key);
log_printf (" next_key . . . . . : 0x%lx", ptr_key->next_key);
}
}
else
{
for (i = 0; i < GUI_KEY_NUM_CONTEXTS; i++)
{
log_printf ("[keys for context: %s]", gui_key_context_string[i]);
log_printf ("");
log_printf (" keys . . . . . . . . : 0x%lx", gui_keys[i]);
log_printf (" last_key . . . . . . : 0x%lx", last_gui_key[i]);
log_printf (" keys_count . . . . . : %d", gui_keys_count[i]);
for (ptr_key = gui_keys[i]; ptr_key; ptr_key = ptr_key->next_key)
{
log_printf ("");
log_printf ("[key (addr:0x%lx)]", ptr_key);
log_printf (" key. . . . . . . . : '%s'", ptr_key->key);
log_printf (" command. . . . . . : '%s'", ptr_key->command);
log_printf (" prev_key . . . . . : 0x%lx", ptr_key->prev_key);
log_printf (" next_key . . . . . : 0x%lx", ptr_key->next_key);
}
}
}
}
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