/*
* 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-input.c: input functions (used by all GUI)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include "../core/weechat.h"
#include "../core/wee-config.h"
#include "../core/wee-hook.h"
#include "../core/wee-input.h"
#include "../core/wee-string.h"
#include "../core/wee-utf8.h"
#include "../plugins/plugin.h"
#include "gui-input.h"
#include "gui-buffer.h"
#include "gui-completion.h"
#include "gui-history.h"
#include "gui-hotlist.h"
#include "gui-keyboard.h"
#include "gui-line.h"
#include "gui-window.h"
char *gui_input_clipboard = NULL; /* clipboard content */
/*
* gui_input_optimize_size: optimize input buffer size by adding
* or deleting data block (predefined size)
*/
void
gui_input_optimize_size (struct t_gui_buffer *buffer)
{
int optimal_size;
if (buffer->input)
{
optimal_size = ((buffer->input_buffer_size / GUI_BUFFER_INPUT_BLOCK_SIZE) *
GUI_BUFFER_INPUT_BLOCK_SIZE) + GUI_BUFFER_INPUT_BLOCK_SIZE;
if (buffer->input_buffer_alloc != optimal_size)
{
buffer->input_buffer_alloc = optimal_size;
buffer->input_buffer = realloc (buffer->input_buffer, optimal_size);
}
}
}
/*
* gui_input_replace_input: replace full input by another string, trying to
* keep cursor position is new string is long enough
*/
void
gui_input_replace_input (struct t_gui_buffer *buffer, const char *new_input)
{
int size, length;
size = strlen (new_input);
length = utf8_strlen (new_input);
/* compute new buffer size */
buffer->input_buffer_size = size;
buffer->input_buffer_length = length;
gui_input_optimize_size (buffer);
/* copy new string to input */
strcpy (buffer->input_buffer, new_input);
/* move cursor to the end of new input if it is now after the end */
if (buffer->input_buffer_pos > buffer->input_buffer_length)
buffer->input_buffer_pos = buffer->input_buffer_length;
}
/*
* gui_input_paste_pending_signal: send signal "input_paste_pending"
*/
void
gui_input_paste_pending_signal ()
{
hook_signal_send ("input_paste_pending", WEECHAT_HOOK_SIGNAL_STRING, NULL);
}
/*
* gui_input_text_changed_modifier_and_signal: send modifier and signal
* "input_text_changed"
*/
void
gui_input_text_changed_modifier_and_signal (struct t_gui_buffer *buffer,
int save_undo)
{
char str_buffer[128], *new_input;
if (save_undo)
gui_buffer_undo_add (buffer);
/* send modifier, and change input if needed */
snprintf (str_buffer, sizeof (str_buffer),
"0x%lx", (long unsigned int)buffer);
new_input = hook_modifier_exec (NULL,
"input_text_content",
str_buffer,
(buffer->input_buffer) ?
buffer->input_buffer : "");
if (new_input)
{
if (!buffer->input_buffer
|| strcmp (new_input, buffer->input_buffer) != 0)
{
/* input has been changed by modifier, use it */
gui_input_replace_input (buffer, new_input);
}
free (new_input);
}
/* send signal */
hook_signal_send ("input_text_changed", WEECHAT_HOOK_SIGNAL_STRING, NULL);
}
/*
* gui_input_text_cursor_moved_signal: send signal "input_text_cursor_moved"
*/
void
gui_input_text_cursor_moved_signal ()
{
hook_signal_send ("input_text_cursor_moved", WEECHAT_HOOK_SIGNAL_STRING, NULL);
}
/*
* gui_input_search_signal: send signal "input_search"
*/
void
gui_input_search_signal ()
{
hook_signal_send ("input_search", WEECHAT_HOOK_SIGNAL_STRING, NULL);
}
/*
* gui_input_set_pos: set position in input line
*/
void
gui_input_set_pos (struct t_gui_buffer *buffer, int pos)
{
if ((pos >= 0) && (buffer->input_buffer_pos != pos))
{
buffer->input_buffer_pos = pos;
if (buffer->input_buffer_pos > buffer->input_buffer_length)
buffer->input_buffer_pos = buffer->input_buffer_length;
gui_input_text_cursor_moved_signal ();
}
}
/*
* gui_input_insert_string: insert a string into the input buffer
* if pos == -1, string is inserted at cursor position
* return: number of chars inserted
* (may be different of strlen if UTF-8 string)
*/
int
gui_input_insert_string (struct t_gui_buffer *buffer, const char *string,
int pos)
{
int size, length;
char *ptr_start;
if (buffer->input)
{
if (pos == -1)
pos = buffer->input_buffer_pos;
size = strlen (string);
length = utf8_strlen (string);
/* increase buffer size */
buffer->input_buffer_size += size;
buffer->input_buffer_length += length;
gui_input_optimize_size (buffer);
buffer->input_buffer[buffer->input_buffer_size] = '\0';
/* move end of string to the right */
ptr_start = utf8_add_offset (buffer->input_buffer, pos);
memmove (ptr_start + size, ptr_start, strlen (ptr_start));
/* insert new string */
ptr_start = utf8_add_offset (buffer->input_buffer, pos);
strncpy (ptr_start, string, size);
buffer->input_buffer_pos += length;
return length;
}
return 0;
}
/*
* gui_input_move_to_buffer: move input content and undo data from
* a buffer to another buffer
*/
void
gui_input_move_to_buffer (struct t_gui_buffer *from_buffer,
struct t_gui_buffer *to_buffer)
{
int is_command;
/*
* move of input is allowed if:
* - 2 buffers are different
* - input_share is not set to "none"
* - input buffer in first buffer is not empty
*/
if (!from_buffer || !to_buffer || (from_buffer == to_buffer)
|| (CONFIG_INTEGER(config_look_input_share) == CONFIG_LOOK_INPUT_SHARE_NONE)
|| !from_buffer->input_buffer || !from_buffer->input_buffer[0])
return;
/*
* if input is command and that only text is allowed,
* or if input is text and that only command is allowed,
* then do nothing
*/
is_command = (string_input_for_buffer (from_buffer->input_buffer) == NULL) ? 1 : 0;
if ((is_command && (CONFIG_INTEGER(config_look_input_share) == CONFIG_LOOK_INPUT_SHARE_TEXT))
|| (!is_command && (CONFIG_INTEGER(config_look_input_share) == CONFIG_LOOK_INPUT_SHARE_COMMANDS)))
return;
/*
* if overwrite is off and that input of target buffer is not empty,
* then do nothing
*/
if ((!CONFIG_BOOLEAN(config_look_input_share_overwrite))
&& to_buffer->input_buffer && to_buffer->input_buffer[0])
return;
/* move input_buffer */
if (to_buffer->input_buffer)
free (to_buffer->input_buffer);
to_buffer->input_buffer = from_buffer->input_buffer;
to_buffer->input_buffer_alloc = from_buffer->input_buffer_alloc;
to_buffer->input_buffer_size = from_buffer->input_buffer_size;
to_buffer->input_buffer_length = from_buffer->input_buffer_length;
to_buffer->input_buffer_pos = from_buffer->input_buffer_pos;
to_buffer->input_buffer_1st_display = from_buffer->input_buffer_1st_display;
gui_buffer_input_buffer_init (from_buffer);
/* move undo data */
gui_buffer_undo_free_all (to_buffer);
(to_buffer->input_undo_snap).data = (from_buffer->input_undo_snap).data;
(to_buffer->input_undo_snap).pos = (from_buffer->input_undo_snap).pos;
to_buffer->input_undo = from_buffer->input_undo;
to_buffer->last_input_undo = from_buffer->last_input_undo;
to_buffer->ptr_input_undo = from_buffer->ptr_input_undo;
to_buffer->input_undo_count = from_buffer->input_undo_count;
(from_buffer->input_undo_snap).data = NULL;
(from_buffer->input_undo_snap).pos = 0;
from_buffer->input_undo = NULL;
from_buffer->last_input_undo = NULL;
from_buffer->ptr_input_undo = NULL;
from_buffer->input_undo_count = 0;
}
/*
* gui_input_clipboard_copy: copy string into clipboard
*/
void
gui_input_clipboard_copy (const char *buffer, int size)
{
if (size <= 0)
return;
if (gui_input_clipboard != NULL)
free (gui_input_clipboard);
gui_input_clipboard = malloc((size + 1) * sizeof(*gui_input_clipboard));
if (gui_input_clipboard)
{
memcpy (gui_input_clipboard, buffer, size);
gui_input_clipboard[size] = '\0';
}
}
/*
* gui_action_clipboard_paste: paste clipboard at cursor pos in input line
* (default key: ctrl-y)
*/
void
gui_input_clipboard_paste (struct t_gui_buffer *buffer)
{
if (buffer->input && gui_input_clipboard)
{
gui_buffer_undo_snap (buffer);
gui_input_insert_string (buffer,
gui_input_clipboard, -1);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_return: terminate line
*/
void
gui_input_return (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
char *command;
window = gui_window_search_with_buffer (buffer);
if (window && window->buffer->input)
{
if (window->buffer->text_search != GUI_TEXT_SEARCH_DISABLED)
{
gui_window_search_stop (window);
gui_input_search_signal ();
}
else if (window->buffer->input_buffer_size > 0)
{
window->buffer->input_buffer[window->buffer->input_buffer_size] = '\0';
command = strdup (window->buffer->input_buffer);
if (command)
{
gui_history_add (window->buffer,
window->buffer->input_buffer);
window->buffer->input_buffer[0] = '\0';
window->buffer->input_buffer_size = 0;
window->buffer->input_buffer_length = 0;
window->buffer->input_buffer_pos = 0;
window->buffer->input_buffer_1st_display = 0;
gui_completion_stop (window->buffer->completion, 1);
gui_buffer_undo_free_all (window->buffer);
window->buffer->ptr_history = NULL;
history_global_ptr = NULL;
gui_input_optimize_size (window->buffer);
gui_input_text_changed_modifier_and_signal (window->buffer, 0);
input_data (window->buffer, command);
free (command);
}
}
}
}
/*
* gui_input_complete: complete a word in input buffer
*/
void
gui_input_complete (struct t_gui_buffer *buffer)
{
int i;
if (!buffer->completion)
return;
if (buffer->completion->word_found)
{
/* replace word with new completed word into input buffer */
if (buffer->completion->diff_size > 0)
{
buffer->input_buffer_size +=
buffer->completion->diff_size;
buffer->input_buffer_length +=
buffer->completion->diff_length;
gui_input_optimize_size (buffer);
buffer->input_buffer[buffer->input_buffer_size] = '\0';
for (i = buffer->input_buffer_size - 1;
i >= buffer->completion->position_replace +
(int)strlen (buffer->completion->word_found); i--)
{
buffer->input_buffer[i] =
buffer->input_buffer[i - buffer->completion->diff_size];
}
}
else
{
for (i = buffer->completion->position_replace +
strlen (buffer->completion->word_found);
i < buffer->input_buffer_size; i++)
{
buffer->input_buffer[i] =
buffer->input_buffer[i - buffer->completion->diff_size];
}
buffer->input_buffer_size += buffer->completion->diff_size;
buffer->input_buffer_length += buffer->completion->diff_length;
gui_input_optimize_size (buffer);
buffer->input_buffer[buffer->input_buffer_size] = '\0';
}
strncpy (buffer->input_buffer + buffer->completion->position_replace,
buffer->completion->word_found,
strlen (buffer->completion->word_found));
buffer->input_buffer_pos =
utf8_pos (buffer->input_buffer,
buffer->completion->position_replace) +
utf8_strlen (buffer->completion->word_found);
/*
* position is < 0 this means only one word was found to complete,
* so reinit to stop completion
*/
if (buffer->completion->position >= 0)
buffer->completion->position = utf8_real_pos (buffer->input_buffer,
buffer->input_buffer_pos);
/* add space if needed after completion */
if (buffer->completion->add_space)
{
if (buffer->input_buffer[utf8_real_pos (buffer->input_buffer,
buffer->input_buffer_pos)] != ' ')
{
gui_input_insert_string (buffer, " ",
buffer->input_buffer_pos);
}
else
buffer->input_buffer_pos++;
if (buffer->completion->position >= 0)
buffer->completion->position++;
}
}
}
/*
* gui_input_complete_next: complete with next word (default key: tab)
*/
void
gui_input_complete_next (struct t_gui_buffer *buffer)
{
if (buffer->input
&& (buffer->text_search == GUI_TEXT_SEARCH_DISABLED))
{
gui_buffer_undo_snap (buffer);
gui_completion_search (buffer->completion,
1,
buffer->input_buffer,
buffer->input_buffer_size,
utf8_real_pos (buffer->input_buffer,
buffer->input_buffer_pos));
gui_input_complete (buffer);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_complete_previous: complete with previous word (default key: shift-tab)
*/
void
gui_input_complete_previous (struct t_gui_buffer *buffer)
{
if (buffer->input
&& (buffer->text_search == GUI_TEXT_SEARCH_DISABLED))
{
gui_buffer_undo_snap (buffer);
gui_completion_search (buffer->completion,
-1,
buffer->input_buffer,
buffer->input_buffer_size,
utf8_real_pos (buffer->input_buffer,
buffer->input_buffer_pos));
gui_input_complete (buffer);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_search_text: search text in buffer history (default key: ctrl-r)
*/
void
gui_input_search_text (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window && (window->buffer->type == GUI_BUFFER_TYPE_FORMATTED))
{
/* toggle search */
if (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED)
gui_window_search_start (window);
else
{
window->buffer->text_search_exact ^= 1;
gui_window_search_restart (window);
}
gui_input_search_signal ();
}
}
/*
* gui_input_delete_previous_char: delete previous char (default key: backspace)
*/
void
gui_input_delete_previous_char (struct t_gui_buffer *buffer)
{
char *pos, *pos_last;
int char_size, size_to_move;
if (buffer->input && (buffer->input_buffer_pos > 0))
{
gui_buffer_undo_snap (buffer);
pos = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos);
pos_last = utf8_prev_char (buffer->input_buffer, pos);
char_size = pos - pos_last;
size_to_move = strlen (pos);
memmove (pos_last, pos, size_to_move);
buffer->input_buffer_size -= char_size;
buffer->input_buffer_length--;
buffer->input_buffer_pos--;
buffer->input_buffer[buffer->input_buffer_size] = '\0';
gui_input_optimize_size (buffer);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_delete_next_char: delete next char (default key: del)
*/
void
gui_input_delete_next_char (struct t_gui_buffer *buffer)
{
char *pos, *pos_next;
int char_size, size_to_move;
if (buffer->input
&& (buffer->input_buffer_pos < buffer->input_buffer_length))
{
gui_buffer_undo_snap (buffer);
pos = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos);
pos_next = utf8_next_char (pos);
char_size = pos_next - pos;
size_to_move = strlen (pos_next);
memmove (pos, pos_next, size_to_move);
buffer->input_buffer_size -= char_size;
buffer->input_buffer_length--;
buffer->input_buffer[buffer->input_buffer_size] = '\0';
gui_input_optimize_size (buffer);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_delete_previous_word: delete previous word (default key: ctrl-w)
*/
void
gui_input_delete_previous_word (struct t_gui_buffer *buffer)
{
int length_deleted, size_deleted;
char *start, *string;
if (buffer->input && (buffer->input_buffer_pos > 0))
{
gui_buffer_undo_snap (buffer);
start = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos - 1);
string = start;
while (string && (string[0] == ' '))
{
string = utf8_prev_char (buffer->input_buffer, string);
}
if (string)
{
while (string && (string[0] != ' '))
{
string = utf8_prev_char (buffer->input_buffer, string);
}
if (string)
{
while (string && (string[0] == ' '))
{
string = utf8_prev_char (buffer->input_buffer, string);
}
}
}
if (string)
string = utf8_next_char (utf8_next_char (string));
else
string = buffer->input_buffer;
size_deleted = utf8_next_char (start) - string;
length_deleted = utf8_strnlen (string, size_deleted);
gui_input_clipboard_copy (string, size_deleted);
memmove (string, string + size_deleted, strlen (string + size_deleted));
buffer->input_buffer_size -= size_deleted;
buffer->input_buffer_length -= length_deleted;
buffer->input_buffer[buffer->input_buffer_size] = '\0';
buffer->input_buffer_pos -= length_deleted;
gui_input_optimize_size (buffer);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_delete_next_word: delete next word (default key: meta-d)
*/
void
gui_input_delete_next_word (struct t_gui_buffer *buffer)
{
int size_deleted, length_deleted;
char *start, *string;
if (buffer->input)
{
gui_buffer_undo_snap (buffer);
start = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos);
string = start;
length_deleted = 0;
while (string[0])
{
if ((string[0] == ' ') && (string > start))
break;
string = utf8_next_char (string);
length_deleted++;
}
size_deleted = string - start;
gui_input_clipboard_copy (start, size_deleted);
memmove (start, string, strlen (string));
buffer->input_buffer_size -= size_deleted;
buffer->input_buffer_length -= length_deleted;
buffer->input_buffer[buffer->input_buffer_size] = '\0';
gui_input_optimize_size (buffer);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_delete_beginning_of_line: delete all from cursor pos to beginning of line
* (default key: ctrl-u)
*/
void
gui_input_delete_beginning_of_line (struct t_gui_buffer *buffer)
{
int length_deleted, size_deleted;
char *start;
if (buffer->input && (buffer->input_buffer_pos > 0))
{
gui_buffer_undo_snap (buffer);
start = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos);
size_deleted = start - buffer->input_buffer;
length_deleted = utf8_strnlen (buffer->input_buffer, size_deleted);
gui_input_clipboard_copy (buffer->input_buffer,
start - buffer->input_buffer);
memmove (buffer->input_buffer, start, strlen (start));
buffer->input_buffer_size -= size_deleted;
buffer->input_buffer_length -= length_deleted;
buffer->input_buffer[buffer->input_buffer_size] = '\0';
buffer->input_buffer_pos = 0;
gui_input_optimize_size (buffer);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_delete_end_of_line: delete all from cursor pos to end of line
* (default key: ctrl-k)
*/
void
gui_input_delete_end_of_line (struct t_gui_buffer *buffer)
{
char *start;
int size_deleted;
if (buffer->input)
{
gui_buffer_undo_snap (buffer);
start = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos);
size_deleted = strlen (start);
gui_input_clipboard_copy (start, size_deleted);
start[0] = '\0';
buffer->input_buffer_size = strlen (buffer->input_buffer);
buffer->input_buffer_length = utf8_strlen (buffer->input_buffer);
gui_input_optimize_size (buffer);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_delete_line: delete entire line (default key: meta-r)
*/
void
gui_input_delete_line (struct t_gui_buffer *buffer)
{
if (buffer->input)
{
gui_buffer_undo_snap (buffer);
buffer->input_buffer[0] = '\0';
buffer->input_buffer_size = 0;
buffer->input_buffer_length = 0;
buffer->input_buffer_pos = 0;
gui_input_optimize_size (buffer);
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_transpose_chars: transpose chars (on lth left) at cursor pos
* (default key: ctrl-t)
*/
void
gui_input_transpose_chars (struct t_gui_buffer *buffer)
{
char *start, *prev_char, saved_char[5];
int size_prev_char, size_start_char;
if (buffer->input && (buffer->input_buffer_pos > 0)
&& (buffer->input_buffer_length > 1))
{
gui_buffer_undo_snap (buffer);
if (buffer->input_buffer_pos == buffer->input_buffer_length)
buffer->input_buffer_pos--;
start = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos);
prev_char = utf8_prev_char (buffer->input_buffer, start);
size_prev_char = start - prev_char;
size_start_char = utf8_char_size (start);
memcpy (saved_char, prev_char, size_prev_char);
memcpy (prev_char, start, size_start_char);
memcpy (prev_char + size_start_char, saved_char, size_prev_char);
buffer->input_buffer_pos++;
gui_completion_stop (buffer->completion, 1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
}
}
/*
* gui_input_move_beginning_of_line: move cursor to beginning of line (default key: home)
*/
void
gui_input_move_beginning_of_line (struct t_gui_buffer *buffer)
{
if (buffer->input && (buffer->input_buffer_pos > 0))
{
buffer->input_buffer_pos = 0;
gui_input_text_cursor_moved_signal ();
}
}
/*
* gui_input_move_end_of_line: move cursor to end of line (default key: end)
*/
void
gui_input_move_end_of_line (struct t_gui_buffer *buffer)
{
if (buffer->input
&& (buffer->input_buffer_pos < buffer->input_buffer_length))
{
buffer->input_buffer_pos = buffer->input_buffer_length;
gui_input_text_cursor_moved_signal ();
}
}
/*
* gui_input_move_previous_char: move cursor to previous char (default key: left)
*/
void
gui_input_move_previous_char (struct t_gui_buffer *buffer)
{
if (buffer->input && (buffer->input_buffer_pos > 0))
{
buffer->input_buffer_pos--;
gui_input_text_cursor_moved_signal ();
}
}
/*
* gui_input_move_next_char: move cursor to next char (default key: right)
*/
void
gui_input_move_next_char (struct t_gui_buffer *buffer)
{
if (buffer->input
&& (buffer->input_buffer_pos < buffer->input_buffer_length))
{
buffer->input_buffer_pos++;
gui_input_text_cursor_moved_signal ();
}
}
/*
* gui_input_move_previous_word: move cursor to beginning of previous word
* (default key: meta-b or ctrl-left)
*/
void
gui_input_move_previous_word (struct t_gui_buffer *buffer)
{
char *pos;
if (buffer->input
&& (buffer->input_buffer_pos > 0))
{
pos = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos - 1);
while (pos && (pos[0] == ' '))
{
pos = utf8_prev_char (buffer->input_buffer, pos);
}
if (pos)
{
while (pos && (pos[0] != ' '))
{
pos = utf8_prev_char (buffer->input_buffer, pos);
}
if (pos)
pos = utf8_next_char (pos);
else
pos = buffer->input_buffer;
buffer->input_buffer_pos = utf8_pos (buffer->input_buffer,
pos - buffer->input_buffer);
}
else
buffer->input_buffer_pos = 0;
gui_input_text_cursor_moved_signal ();
}
}
/*
* gui_input_move_next_word: move cursor to the beginning of next word
* (default key: meta-f or ctrl-right)
*/
void
gui_input_move_next_word (struct t_gui_buffer *buffer)
{
char *pos;
if (buffer->input
&& (buffer->input_buffer_pos < buffer->input_buffer_length))
{
pos = utf8_add_offset (buffer->input_buffer,
buffer->input_buffer_pos);
while (pos[0] && (pos[0] == ' '))
{
pos = utf8_next_char (pos);
}
if (pos[0])
{
while (pos[0] && (pos[0] != ' '))
{
pos = utf8_next_char (pos);
}
if (pos[0])
{
buffer->input_buffer_pos =
utf8_pos (buffer->input_buffer,
pos - buffer->input_buffer);
}
else
buffer->input_buffer_pos = buffer->input_buffer_length;
}
else
{
buffer->input_buffer_pos =
utf8_pos (buffer->input_buffer,
utf8_prev_char (buffer->input_buffer, pos) - buffer->input_buffer);
}
gui_input_text_cursor_moved_signal ();
}
}
/*
* gui_input_history_previous: recall previous command from local or global
* history
*/
void
gui_input_history_previous (struct t_gui_window *window,
struct t_gui_history *history,
struct t_gui_history **ptr_history)
{
if (!window->buffer->input)
return;
if (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED)
{
if (*ptr_history)
{
if (!(*ptr_history)->next_history)
return;
*ptr_history = (*ptr_history)->next_history;
}
if (!(*ptr_history))
*ptr_history = history;
if (!(*ptr_history))
return;
/* bash/readline like use of history */
if (window->buffer->input_buffer_size > 0)
{
if ((*ptr_history)->prev_history)
{
/* replace text in history with current input */
window->buffer->input_buffer[window->buffer->input_buffer_size] = '\0';
if ((*ptr_history)->prev_history->text)
free ((*ptr_history)->prev_history->text);
(*ptr_history)->prev_history->text =
strdup (window->buffer->input_buffer);
}
else
{
/* add current input in history */
window->buffer->input_buffer[window->buffer->input_buffer_size] = '\0';
gui_history_add (window->buffer,
window->buffer->input_buffer);
}
}
window->buffer->input_buffer_size =
strlen ((*ptr_history)->text);
window->buffer->input_buffer_length =
utf8_strlen ((*ptr_history)->text);
gui_input_optimize_size (window->buffer);
window->buffer->input_buffer_pos = window->buffer->input_buffer_length;
window->buffer->input_buffer_1st_display = 0;
strcpy (window->buffer->input_buffer, (*ptr_history)->text);
gui_input_text_changed_modifier_and_signal (window->buffer, 0);
gui_buffer_undo_free_all (window->buffer);
}
else
{
/* search backward in buffer history */
window->buffer->text_search = GUI_TEXT_SEARCH_BACKWARD;
(void) gui_window_search_text (window);
}
}
/*
* gui_input_history_next: recall next command from local or global history
*/
void
gui_input_history_next (struct t_gui_window *window,
struct t_gui_history *history,
struct t_gui_history **ptr_history)
{
int input_changed;
/* make C compiler happy */
(void) history;
input_changed = 0;
if (!window->buffer->input)
return;
if (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED)
{
if (*ptr_history)
{
*ptr_history = (*ptr_history)->prev_history;
if (*ptr_history)
{
window->buffer->input_buffer_size =
strlen ((*ptr_history)->text);
window->buffer->input_buffer_length =
utf8_strlen ((*ptr_history)->text);
}
else
{
window->buffer->input_buffer[0] = '\0';
window->buffer->input_buffer_size = 0;
window->buffer->input_buffer_length = 0;
}
gui_input_optimize_size (window->buffer);
window->buffer->input_buffer_pos =
window->buffer->input_buffer_length;
window->buffer->input_buffer_1st_display = 0;
if (*ptr_history)
{
strcpy (window->buffer->input_buffer, (*ptr_history)->text);
}
input_changed = 1;
}
else
{
/* add line to history then clear input */
if (window->buffer->input_buffer_size > 0)
{
window->buffer->input_buffer[window->buffer->input_buffer_size] = '\0';
gui_history_add (window->buffer,
window->buffer->input_buffer);
window->buffer->input_buffer[0] = '\0';
window->buffer->input_buffer_size = 0;
window->buffer->input_buffer_length = 0;
window->buffer->input_buffer_pos = 0;
window->buffer->input_buffer_1st_display = 0;
gui_input_optimize_size (window->buffer);
input_changed = 1;
}
}
if (input_changed)
{
gui_input_text_changed_modifier_and_signal (window->buffer, 0);
gui_buffer_undo_free_all (window->buffer);
}
}
else
{
/* search forward in buffer history */
window->buffer->text_search = GUI_TEXT_SEARCH_FORWARD;
(void) gui_window_search_text (window);
}
}
/*
* gui_input_history_local_previous: recall previous command from local history
* (default key: up)
*/
void
gui_input_history_local_previous (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window)
{
gui_input_history_previous (window,
window->buffer->history,
&(window->buffer->ptr_history));
}
}
/*
* gui_input_history_local_next: recall next command from local history
* (default key: down)
*/
void
gui_input_history_local_next (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window)
{
gui_input_history_next (window,
window->buffer->history,
&(window->buffer->ptr_history));
}
}
/*
* gui_input_history_global_previous: recall previous command from global history
* (default key: ctrl-up)
*/
void
gui_input_history_global_previous (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window)
{
gui_input_history_previous (window,
history_global,
&history_global_ptr);
}
}
/*
* gui_history_global_next: recall next command from global history
* (default key: ctrl-down)
*/
void
gui_input_history_global_next (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window)
{
gui_input_history_next (window,
history_global,
&history_global_ptr);
}
}
/*
* gui_input_jump_smart: jump to buffer with activity (default key: alt-a)
*/
void
gui_input_jump_smart (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window
&& (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED))
{
if (gui_hotlist)
{
if (!gui_hotlist_initial_buffer)
gui_hotlist_initial_buffer = window->buffer;
gui_window_switch_to_buffer (window, gui_hotlist->buffer, 1);
gui_window_scroll_bottom (window);
}
else
{
if (gui_hotlist_initial_buffer)
{
gui_window_switch_to_buffer (window,
gui_hotlist_initial_buffer, 1);
gui_window_scroll_bottom (window);
gui_hotlist_initial_buffer = NULL;
}
}
}
}
/*
* gui_input_jump_last_buffer: jump to last buffer
* (default key: meta-j, meta-l)
*/
void
gui_input_jump_last_buffer (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window
&& (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED)
&& last_gui_buffer)
{
gui_buffer_switch_by_number (window, last_gui_buffer->number);
}
}
/*
* gui_input_jump_previously_visited_buffer: jump to previously visited buffer
* (buffer displayed before current one)
* (default key: meta-<)
*/
void
gui_input_jump_previously_visited_buffer (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
int index;
struct t_gui_buffer_visited *ptr_buffer_visited;
window = gui_window_search_with_buffer (buffer);
if (window
&& (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED))
{
index = gui_buffer_visited_get_index_previous ();
if (index >= 0)
{
gui_buffers_visited_index = index;
ptr_buffer_visited =
gui_buffer_visited_search_by_number (gui_buffers_visited_index);
if (ptr_buffer_visited)
{
gui_buffers_visited_frozen = 1;
gui_buffer_switch_by_number (window,
ptr_buffer_visited->buffer->number);
gui_buffers_visited_frozen = 0;
}
}
}
}
/*
* gui_input_jump_next_visited_buffer: jump to next visited buffer
* (buffer displayed after current one)
* (default key: meta->)
*/
void
gui_input_jump_next_visited_buffer (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
int index;
struct t_gui_buffer_visited *ptr_buffer_visited;
window = gui_window_search_with_buffer (buffer);
if (window
&& (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED))
{
index = gui_buffer_visited_get_index_next ();
if (index >= 0)
{
gui_buffers_visited_index = index;
ptr_buffer_visited = gui_buffer_visited_search_by_number (gui_buffers_visited_index);
if (ptr_buffer_visited)
{
gui_buffers_visited_frozen = 1;
gui_buffer_switch_by_number (window,
ptr_buffer_visited->buffer->number);
gui_buffers_visited_frozen = 0;
}
}
}
}
/*
* gui_input_hotlist_clear: clear hotlist (default key: meta-h)
*/
void
gui_input_hotlist_clear (struct t_gui_buffer *buffer)
{
gui_hotlist_clear ();
gui_hotlist_initial_buffer = buffer;
}
/*
* gui_input_grab_key: init "grab key mode" (next key will be inserted into
* input buffer) (default key: meta-k)
*/
void
gui_input_grab_key (struct t_gui_buffer *buffer)
{
if (buffer->input)
gui_keyboard_grab_init (0);
}
/*
* gui_input_grab_key_command: init "grab key mode" (next key and command
* bound will be inserted into input buffer)
*/
void
gui_input_grab_key_command (struct t_gui_buffer *buffer)
{
if (buffer->input)
gui_keyboard_grab_init (1);
}
/*
* gui_input_scroll_unread: scroll to first unread line of buffer
* (default key: meta-u)
*/
void
gui_input_scroll_unread (struct t_gui_buffer *buffer)
{
struct t_gui_window *window;
window = gui_window_search_with_buffer (buffer);
if (window
&& (window->buffer->text_search == GUI_TEXT_SEARCH_DISABLED))
{
if (CONFIG_STRING(config_look_read_marker) &&
CONFIG_STRING(config_look_read_marker)[0] &&
(window->buffer->type == GUI_BUFFER_TYPE_FORMATTED) &&
(window->buffer->lines->first_line_not_read ||
(window->buffer->lines->last_read_line &&
window->buffer->lines->last_read_line != window->buffer->lines->last_line)))
{
if (window->buffer->lines->first_line_not_read)
window->scroll->start_line = window->buffer->lines->first_line;
else
window->scroll->start_line = window->buffer->lines->last_read_line->next_line;
if (window->scroll->start_line)
{
if (!gui_line_is_displayed (window->scroll->start_line))
window->scroll->start_line = gui_line_get_next_displayed (window->scroll->start_line);
}
window->scroll->start_line_pos = 0;
window->scroll->first_line_displayed =
(window->scroll->start_line == gui_line_get_first_displayed (window->buffer));
gui_buffer_ask_chat_refresh (window->buffer, 2);
}
}
}
/*
* gui_input_set_unread: set unread marker for all buffers
* (default key: ctrl-s, ctrl-u)
*/
void
gui_input_set_unread ()
{
struct t_gui_buffer *ptr_buffer;
/* set read marker for all standard buffers */
for (ptr_buffer = gui_buffers; ptr_buffer;
ptr_buffer = ptr_buffer->next_buffer)
{
gui_buffer_set_unread (ptr_buffer);
}
}
/*
* gui_input_set_unread_buffer: set unread marker for a buffer
*/
void
gui_input_set_unread_current (struct t_gui_buffer *buffer)
{
gui_buffer_set_unread (buffer);
}
/*
* gui_input_switch_active_buffer: switch active buffer to next buffer
* (when many buffers are merged)
* (default key: ctrl-x)
*/
void
gui_input_switch_active_buffer (struct t_gui_buffer *buffer)
{
struct t_gui_buffer *ptr_buffer;
struct t_gui_window *window;
ptr_buffer = gui_buffer_get_next_active_buffer (buffer);
if (ptr_buffer)
{
gui_buffer_set_active_buffer (ptr_buffer);
window = gui_window_search_with_buffer (buffer);
if (window)
gui_window_switch_to_buffer (window, ptr_buffer, 1);
}
}
/*
* gui_input_switch_active_buffer_previous: switch active buffer to previous
* buffer (when many buffers are
* merged)
*/
void
gui_input_switch_active_buffer_previous (struct t_gui_buffer *buffer)
{
struct t_gui_buffer *ptr_buffer;
struct t_gui_window *window;
ptr_buffer = gui_buffer_get_previous_active_buffer (buffer);
if (ptr_buffer)
{
gui_buffer_set_active_buffer (ptr_buffer);
window = gui_window_search_with_buffer (buffer);
if (window)
gui_window_switch_to_buffer (window, ptr_buffer, 1);
}
}
/*
* gui_input_insert: insert a string in command line
* (many default keys are bound to this function)
*/
void
gui_input_insert (struct t_gui_buffer *buffer, const char *args)
{
char *args2;
if (args)
{
gui_buffer_undo_snap (buffer);
args2 = string_convert_hex_chars (args);
gui_input_insert_string (buffer, (args2) ? args2 : args, -1);
gui_input_text_changed_modifier_and_signal (buffer, 1);
if (args2)
free (args2);
}
}
/*
* gui_input_undo_use: use a undo: replace input with undo content
*/
void
gui_input_undo_use (struct t_gui_buffer *buffer, struct t_gui_input_undo *undo)
{
if ((undo->data) && (strcmp (undo->data, buffer->input_buffer) != 0))
{
gui_input_replace_input (buffer, undo->data);
gui_input_set_pos (buffer, undo->pos);
gui_input_text_changed_modifier_and_signal (buffer, 0);
}
}
/*
* gui_input_undo: undo last action on input buffer
*/
void
gui_input_undo (struct t_gui_buffer *buffer)
{
if (buffer->ptr_input_undo)
{
/*
* if we are doing undo and that undo pointer is to the end of list
* (for example first time undo is used), then save current input
* content in undo list
*/
if ((buffer->ptr_input_undo == buffer->last_input_undo)
&& (buffer->ptr_input_undo)->data
&& (strcmp (buffer->input_buffer, (buffer->ptr_input_undo)->data) != 0))
{
gui_buffer_undo_snap_free (buffer);
gui_buffer_undo_add (buffer);
}
if (buffer->ptr_input_undo
&& (buffer->ptr_input_undo)->prev_undo)
{
buffer->ptr_input_undo = (buffer->ptr_input_undo)->prev_undo;
gui_input_undo_use (buffer, buffer->ptr_input_undo);
}
}
}
/*
* gui_input_redo: redo last action on input buffer
*/
void
gui_input_redo (struct t_gui_buffer *buffer)
{
if (buffer->ptr_input_undo
&& (buffer->ptr_input_undo)->next_undo)
{
buffer->ptr_input_undo = (buffer->ptr_input_undo)->next_undo;
gui_input_undo_use (buffer, buffer->ptr_input_undo);
}
}