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weechat/src/gui/gui-chat.c
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/*
* Copyright (c) 2003-2008 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* gui-chat.c: chat functions, used by all GUI */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <ctype.h>
#include <time.h>
#include <regex.h>
#include "../core/weechat.h"
#include "../core/wee-config.h"
#include "../core/wee-hook.h"
#include "../core/wee-log.h"
#include "../core/wee-string.h"
#include "../core/wee-utf8.h"
#include "../plugins/plugin.h"
#include "gui-chat.h"
#include "gui-buffer.h"
#include "gui-color.h"
#include "gui-filter.h"
#include "gui-hotlist.h"
#include "gui-main.h"
#include "gui-status.h"
#include "gui-window.h"
char *gui_chat_prefix[GUI_CHAT_NUM_PREFIXES]; /* prefixes */
char gui_chat_prefix_empty[] = ""; /* empty prefix */
int gui_chat_time_length = 0; /* length of time for each line (in chars) */
/*
* gui_chat_prefix_build_empty: build empty prefixes
* (called before reading WeeChat config file)
*/
void
gui_chat_prefix_build_empty ()
{
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR] = strdup (gui_chat_prefix_empty);
gui_chat_prefix[GUI_CHAT_PREFIX_NETWORK] = strdup (gui_chat_prefix_empty);
gui_chat_prefix[GUI_CHAT_PREFIX_ACTION] = strdup (gui_chat_prefix_empty);
gui_chat_prefix[GUI_CHAT_PREFIX_JOIN] = strdup (gui_chat_prefix_empty);
gui_chat_prefix[GUI_CHAT_PREFIX_QUIT] = strdup (gui_chat_prefix_empty);
}
/*
* gui_chat_prefix_build: build prefix with colors
* (called after reading WeeChat config file)
*/
void
gui_chat_prefix_build ()
{
char prefix[128];
int i;
for (i = 0; i < GUI_CHAT_NUM_PREFIXES; i++)
{
if (gui_chat_prefix[i])
{
free (gui_chat_prefix[i]);
gui_chat_prefix[i] = NULL;
}
}
snprintf (prefix, sizeof (prefix), "%s%s\t",
GUI_COLOR(GUI_COLOR_CHAT_PREFIX_ERROR),
CONFIG_STRING(config_look_prefix[GUI_CHAT_PREFIX_ERROR]));
gui_chat_prefix[GUI_CHAT_PREFIX_ERROR] = strdup (prefix);
snprintf (prefix, sizeof (prefix), "%s%s\t",
GUI_COLOR(GUI_COLOR_CHAT_PREFIX_NETWORK),
CONFIG_STRING(config_look_prefix[GUI_CHAT_PREFIX_NETWORK]));
gui_chat_prefix[GUI_CHAT_PREFIX_NETWORK] = strdup (prefix);
snprintf (prefix, sizeof (prefix), "%s%s\t",
GUI_COLOR(GUI_COLOR_CHAT_PREFIX_ACTION),
CONFIG_STRING(config_look_prefix[GUI_CHAT_PREFIX_ACTION]));
gui_chat_prefix[GUI_CHAT_PREFIX_ACTION] = strdup (prefix);
snprintf (prefix, sizeof (prefix), "%s%s\t",
GUI_COLOR(GUI_COLOR_CHAT_PREFIX_JOIN),
CONFIG_STRING(config_look_prefix[GUI_CHAT_PREFIX_JOIN]));
gui_chat_prefix[GUI_CHAT_PREFIX_JOIN] = strdup (prefix);
snprintf (prefix, sizeof (prefix), "%s%s\t",
GUI_COLOR(GUI_COLOR_CHAT_PREFIX_QUIT),
CONFIG_STRING(config_look_prefix[GUI_CHAT_PREFIX_QUIT]));
gui_chat_prefix[GUI_CHAT_PREFIX_QUIT] = strdup (prefix);
}
/*
* gui_chat_strlen_screen: returns number of char needed on sreen to display a
* word special chars like color, bold, .. are ignored
*/
int
gui_chat_strlen_screen (char *string)
{
int length;
length = 0;
while (string && string[0])
{
string = gui_chat_string_next_char (NULL, (unsigned char *)string, 0);
if (string)
{
length += utf8_char_size_screen (string);
string = utf8_next_char (string);
}
}
return length;
}
/*
* gui_chat_string_real_pos: get real position in string
* (ignoring color/bold/.. chars)
*/
int
gui_chat_string_real_pos (char *string, int pos)
{
char *ptr_string, *real_pos;
if (pos <= 0)
return 0;
real_pos = string;
ptr_string = string;
while (ptr_string && ptr_string[0] && (pos > 0))
{
ptr_string = gui_chat_string_next_char (NULL,
(unsigned char *)ptr_string,
0);
if (ptr_string)
{
pos -= utf8_char_size_screen (ptr_string);
ptr_string = utf8_next_char (ptr_string);
real_pos = ptr_string;
}
}
return 0 + (real_pos - string);
}
/*
* gui_chat_get_word_info: returns info about next word: beginning, end, length
*/
void
gui_chat_get_word_info (struct t_gui_window *window,
char *data,
int *word_start_offset, int *word_end_offset,
int *word_length_with_spaces, int *word_length)
{
char *start_data, *next_char, *next_char2;
int leading_spaces, char_size;
*word_start_offset = 0;
*word_end_offset = 0;
*word_length_with_spaces = 0;
*word_length = 0;
start_data = data;
leading_spaces = 1;
while (data && data[0])
{
next_char = gui_chat_string_next_char (window, (unsigned char *)data,
0);
if (next_char)
{
next_char2 = utf8_next_char (next_char);
if (next_char2)
{
if (next_char[0] != ' ')
{
if (leading_spaces)
*word_start_offset = next_char - start_data;
leading_spaces = 0;
char_size = next_char2 - next_char;
*word_end_offset = next_char2 - start_data - 1;
(*word_length_with_spaces) += char_size;
(*word_length) += char_size;
}
else
{
if (leading_spaces)
(*word_length_with_spaces)++;
else
{
*word_end_offset = next_char - start_data - 1;
return;
}
}
data = next_char2;
}
}
else
{
*word_end_offset = data + strlen (data) - start_data - 1;
return;
}
}
}
/*
* gu_chat_get_time_string: get time string, for display (with colors)
*/
char *
gui_chat_get_time_string (time_t date)
{
char text_time[128], text_time2[(128*3)+16], text_time_char[2];
int i, time_first_digit, time_last_digit, last_color;
struct tm *local_time;
if (!CONFIG_STRING(config_look_buffer_time_format)
|| !CONFIG_STRING(config_look_buffer_time_format)[0])
return NULL;
local_time = localtime (&date);
if (strftime (text_time, sizeof (text_time),
CONFIG_STRING(config_look_buffer_time_format),
local_time) == 0)
return NULL;
time_first_digit = -1;
time_last_digit = -1;
i = 0;
while (text_time[i])
{
if (isdigit (text_time[i]))
{
if (time_first_digit == -1)
time_first_digit = i;
time_last_digit = i;
}
i++;
}
text_time2[0] = '\0';
text_time_char[1] = '\0';
last_color = -1;
i = 0;
while (text_time[i])
{
text_time_char[0] = text_time[i];
if (time_first_digit < 0)
{
if (last_color != GUI_COLOR_CHAT_TIME)
{
strcat (text_time2, GUI_COLOR(GUI_COLOR_CHAT_TIME));
last_color = GUI_COLOR_CHAT_TIME;
}
strcat (text_time2, text_time_char);
}
else
{
if ((i < time_first_digit) || (i > time_last_digit))
{
if (last_color != GUI_COLOR_CHAT_DELIMITERS)
{
strcat (text_time2, GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS));
last_color = GUI_COLOR_CHAT_DELIMITERS;
}
strcat (text_time2, text_time_char);
}
else
{
if (isdigit (text_time[i]))
{
if (last_color != GUI_COLOR_CHAT_TIME)
{
strcat (text_time2, GUI_COLOR(GUI_COLOR_CHAT_TIME));
last_color = GUI_COLOR_CHAT_TIME;
}
strcat (text_time2, text_time_char);
}
else
{
if (last_color != GUI_COLOR_CHAT_TIME_DELIMITERS)
{
strcat (text_time2,
GUI_COLOR(GUI_COLOR_CHAT_TIME_DELIMITERS));
last_color = GUI_COLOR_CHAT_TIME_DELIMITERS;
}
strcat (text_time2, text_time_char);
}
}
}
i++;
}
return strdup (text_time2);
}
/*
* gui_chat_change_time_format: change time format for all lines of all buffers
*/
void
gui_chat_change_time_format ()
{
struct t_gui_buffer *ptr_buffer;
struct t_gui_line *ptr_line;
for (ptr_buffer = gui_buffers; ptr_buffer;
ptr_buffer = ptr_buffer->next_buffer)
{
for (ptr_line = ptr_buffer->lines; ptr_line;
ptr_line = ptr_line->next_line)
{
if (ptr_line->date != 0)
{
if (ptr_line->str_time)
free (ptr_line->str_time);
ptr_line->str_time = gui_chat_get_time_string (ptr_line->date);
}
}
}
}
/*
* gui_chat_get_line_align: get alignment for a line
*/
int
gui_chat_get_line_align (struct t_gui_buffer *buffer, struct t_gui_line *line,
int with_suffix)
{
int length_suffix;
if (CONFIG_INTEGER(config_look_prefix_align) == CONFIG_LOOK_PREFIX_ALIGN_NONE)
return gui_chat_time_length + 1 + line->prefix_length + 2;
length_suffix = 0;
if (with_suffix)
{
if (CONFIG_STRING(config_look_prefix_suffix)
&& CONFIG_STRING(config_look_prefix_suffix)[0])
length_suffix = gui_chat_strlen_screen (CONFIG_STRING(config_look_prefix_suffix)) + 1;
}
if (CONFIG_INTEGER(config_look_prefix_align_max) > 0)
return gui_chat_time_length + 1 + CONFIG_INTEGER(config_look_prefix_align_max) +
length_suffix + 1;
else
return gui_chat_time_length + 1 + buffer->prefix_max_length +
length_suffix + 1;
}
/*
* gui_chat_line_displayed: return 1 if line is displayed (no filter on line,
* or filters disabled), 0 if line is hidden
*/
int
gui_chat_line_displayed (struct t_gui_line *line)
{
/* line is hidden if filters are enabled and flag "displayed" is not set */
if (gui_filters_enabled && !line->displayed)
return 0;
/* in all other cases, line is displayed */
return 1;
}
/*
* gui_chat_get_first_line_displayed: get first line displayed of a buffer
*/
struct t_gui_line *
gui_chat_get_first_line_displayed (struct t_gui_buffer *buffer)
{
struct t_gui_line *ptr_line;
ptr_line = buffer->lines;
while (ptr_line && !gui_chat_line_displayed (ptr_line))
{
ptr_line = ptr_line->next_line;
}
return ptr_line;
}
/*
* gui_chat_get_last_line_displayed: get last line displayed of a buffer
*/
struct t_gui_line *
gui_chat_get_last_line_displayed (struct t_gui_buffer *buffer)
{
struct t_gui_line *ptr_line;
ptr_line = buffer->last_line;
while (ptr_line && !gui_chat_line_displayed (ptr_line))
{
ptr_line = ptr_line->prev_line;
}
return ptr_line;
}
/*
* gui_chat_get_prev_line_displayed: get previous line displayed
*/
struct t_gui_line *
gui_chat_get_prev_line_displayed (struct t_gui_line *line)
{
if (line)
{
line = line->prev_line;
while (line && !gui_chat_line_displayed (line))
{
line = line->prev_line;
}
}
return line;
}
/*
* gui_chat_get_next_line_displayed: get next line displayed
*/
struct t_gui_line *
gui_chat_get_next_line_displayed (struct t_gui_line *line)
{
if (line)
{
line = line->next_line;
while (line && !gui_chat_line_displayed (line))
{
line = line->next_line;
}
}
return line;
}
/*
* gui_chat_line_search: search for text in a line
*/
int
gui_chat_line_search (struct t_gui_line *line, char *text, int case_sensitive)
{
char *message;
int rc;
if (!line || !line->message || !text || !text[0])
return 0;
rc = 0;
message = (char *)gui_color_decode ((unsigned char *)line->message);
if (message)
{
if ((case_sensitive && (strstr (message, text)))
|| (!case_sensitive && (string_strcasestr (message, text))))
rc = 1;
free (message);
}
return rc;
}
/*
* gui_chat_line_match_regex: return 1 if message matches regex
* 0 if it doesn't match
*/
int
gui_chat_line_match_regex (struct t_gui_line *line, regex_t *regex_prefix,
regex_t *regex_message)
{
char *prefix, *message;
int match_prefix, match_message;
if (!line || (!regex_prefix && !regex_message))
return 0;
match_prefix = 1;
match_message = 1;
prefix = (char *)gui_color_decode ((unsigned char *)line->prefix);
if (prefix && regex_prefix)
{
if (regexec (regex_prefix, prefix, 0, NULL, 0) != 0)
match_prefix = 0;
}
message = (char *)gui_color_decode ((unsigned char *)line->message);
if (message && regex_message)
{
if (regexec (regex_message, message, 0, NULL, 0) != 0)
match_message = 0;
}
if (prefix)
free (prefix);
if (message)
free (message);
return (match_prefix && match_message);
}
/*
* gui_chat_line_match_tags: return 1 if line matches tags
* 0 if it doesn't match any tag in array
*/
int
gui_chat_line_match_tags (struct t_gui_line *line, int tags_count,
char **tags_array)
{
int i, j;
if (!line)
return 0;
if (line->tags_count == 0)
return 0;
for (i = 0; i < tags_count; i++)
{
for (j = 0; j < line->tags_count; j++)
{
/* check tag */
if (string_match (line->tags_array[j],
tags_array[i],
0))
return 1;
}
}
return 0;
}
/*
* gui_chat_line_free: delete a formated line from a buffer
*/
void
gui_chat_line_free (struct t_gui_buffer *buffer, struct t_gui_line *line)
{
struct t_gui_window *ptr_win;
/* reset scroll for any window starting with this line */
for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
{
if (ptr_win->start_line == line)
{
ptr_win->start_line = ptr_win->start_line->next_line;
ptr_win->start_line_pos = 0;
gui_buffer_ask_chat_refresh (buffer, 2);
gui_status_refresh_needed = 1;
}
}
/* free data */
if (line->str_time)
free (line->str_time);
if (line->tags_array)
string_free_exploded (line->tags_array);
if (line->prefix)
free (line->prefix);
if (line->message)
free (line->message);
/* remove line from lines list */
if (line->prev_line)
line->prev_line->next_line = line->next_line;
if (line->next_line)
line->next_line->prev_line = line->prev_line;
if (buffer->lines == line)
buffer->lines = line->next_line;
if (buffer->last_line == line)
buffer->last_line = line->prev_line;
free (line);
buffer->lines_count--;
}
/*
* gui_chat_line_free_all: delete all formated lines from a buffer
*/
void
gui_chat_line_free_all (struct t_gui_buffer *buffer)
{
struct t_gui_line *next_line;
while (buffer->lines)
{
next_line = buffer->lines->next_line;
gui_chat_line_free (buffer, buffer->lines);
buffer->lines = next_line;
}
}
/*
* gui_chat_line_add: add a new line for a buffer
*/
void
gui_chat_line_add (struct t_gui_buffer *buffer, time_t date,
time_t date_printed, char *tags,
char *prefix, char *message)
{
struct t_gui_line *new_line;
new_line = malloc (sizeof (*new_line));
if (!new_line)
{
log_printf (_("Not enough memory for new line"));
return;
}
/* fill data in new line */
new_line->y = 0;
new_line->date = date;
new_line->date_printed = date_printed;
new_line->str_time = (date == 0) ?
NULL : gui_chat_get_time_string (date);
if (tags)
{
new_line->tags_array = string_explode (tags, ",", 0, 0,
&new_line->tags_count);
}
else
{
new_line->tags_count = 0;
new_line->tags_array = NULL;
}
new_line->refresh_needed = 0;
new_line->prefix = (prefix) ?
strdup (prefix) : ((date != 0) ? strdup ("") : NULL);
new_line->prefix_length = (prefix) ?
gui_chat_strlen_screen (prefix) : 0;
if (new_line->prefix_length > buffer->prefix_max_length)
buffer->prefix_max_length = new_line->prefix_length;
new_line->message = (message) ? strdup (message) : strdup ("");
/* add line to lines list */
if (!buffer->lines)
buffer->lines = new_line;
else
buffer->last_line->next_line = new_line;
new_line->prev_line = buffer->last_line;
new_line->next_line = NULL;
buffer->last_line = new_line;
buffer->lines_count++;
/* check if line is filtered or not */
new_line->displayed = gui_filter_check_line (buffer, new_line);
if (!new_line->displayed)
{
if (!buffer->lines_hidden)
{
buffer->lines_hidden = 1;
hook_signal_send ("buffer_lines_hidden",
WEECHAT_HOOK_SIGNAL_POINTER, buffer);
}
}
/* remove one line if necessary */
if ((CONFIG_INTEGER(config_history_max_lines) > 0)
&& (buffer->lines_count > CONFIG_INTEGER(config_history_max_lines)))
{
gui_chat_line_free (buffer, buffer->lines);
}
}
/*
* gui_chat_line_add_y: add or update a line for a buffer with free content
*/
void
gui_chat_line_add_y (struct t_gui_buffer *buffer, int y, char *message)
{
struct t_gui_line *ptr_line, *new_line;
if (!message || !message[0])
return;
/* search if line exists for "y" */
for (ptr_line = buffer->lines; ptr_line;
ptr_line = ptr_line->next_line)
{
if (ptr_line->y >= y)
break;
}
if (!ptr_line || (ptr_line->y > y))
{
new_line = malloc (sizeof (*new_line));
if (!new_line)
{
log_printf (_("Not enough memory for new line"));
return;
}
buffer->lines_count++;
/* fill data in new line */
new_line->y = y;
new_line->date = 0;
new_line->date_printed = 0;
new_line->str_time = NULL;
new_line->tags_count = 0;
new_line->tags_array = NULL;
new_line->refresh_needed = 1;
new_line->prefix = NULL;
new_line->prefix_length = 0;
new_line->message = NULL;
/* add line to lines list */
if (ptr_line)
{
/* add before line found */
new_line->prev_line = ptr_line->prev_line;
new_line->next_line = ptr_line;
if (ptr_line->prev_line)
(ptr_line->prev_line)->next_line = new_line;
else
buffer->lines = new_line;
ptr_line->prev_line = new_line;
}
else
{
/* add at end of list */
new_line->prev_line = buffer->last_line;
if (buffer->lines)
buffer->last_line->next_line = new_line;
else
buffer->lines = new_line;
buffer->last_line = new_line;
new_line->next_line = NULL;
}
ptr_line = new_line;
}
/* check if line is filtered or not */
ptr_line->displayed = gui_filter_check_line (buffer, ptr_line);
if (!ptr_line->displayed)
{
if (!buffer->lines_hidden)
{
buffer->lines_hidden = 1;
hook_signal_send ("buffer_lines_hidden",
WEECHAT_HOOK_SIGNAL_POINTER, buffer);
}
}
/* set message for line */
if (ptr_line->message)
free (ptr_line->message);
ptr_line->message = strdup (message);
ptr_line->refresh_needed = 1;
}
/*
* gui_chat_printf_date_tags: display a message in a buffer with optional
* date and tags
* Info: this function works only with formated
* buffers (not buffers with free content)
*/
void
gui_chat_printf_date_tags (struct t_gui_buffer *buffer, time_t date,
char *tags, char *message, ...)
{
char buf[8192];
va_list argptr;
time_t date_printed;
int display_time;
char *pos, *pos_prefix, *pos_tab, *pos_end;
struct t_gui_line *ptr_line;
if (!gui_buffer_valid (buffer))
return;
if (!message)
return;
if (gui_init_ok)
{
if (!buffer)
buffer = gui_buffer_search_main ();
if (buffer->type != GUI_BUFFER_TYPE_FORMATED)
buffer = gui_buffers;
if (buffer->type != GUI_BUFFER_TYPE_FORMATED)
return;
}
va_start (argptr, message);
vsnprintf (buf, sizeof (buf) - 1, message, argptr);
va_end (argptr);
utf8_normalize (buf, '?');
date_printed = time (NULL);
if (date <= 0)
date = date_printed;
if (gui_init_ok)
ptr_line = buffer->last_line;
pos = buf;
while (pos)
{
pos_prefix = NULL;
display_time = 1;
/* if two first chars are tab, then do not display time */
if ((buf[0] == '\t') && (buf[1] == '\t'))
{
display_time = 0;
pos += 2;
}
else
{
/* if tab found, use prefix (before tab) */
pos_tab = strchr (buf, '\t');
if (pos_tab)
{
pos_tab[0] = '\0';
pos_prefix = buf;
pos = pos_tab + 1;
}
}
/* display until next end of line */
pos_end = strchr (pos, '\n');
if (pos_end)
pos_end[0] = '\0';
if (gui_init_ok)
{
gui_chat_line_add (buffer, (display_time) ? date : 0,
(display_time) ? date_printed : 0,
tags, pos_prefix, pos);
if (buffer->last_line)
{
hook_print_exec (buffer, buffer->last_line->date,
buffer->last_line->tags_count,
buffer->last_line->tags_array,
buffer->last_line->prefix,
buffer->last_line->message);
}
}
else
{
if (pos_prefix)
string_iconv_fprintf (stdout, "%s ", pos_prefix);
string_iconv_fprintf (stdout, "%s\n", pos);
}
pos = (pos_end && pos_end[1]) ? pos_end + 1 : NULL;
}
if (gui_init_ok)
{
gui_buffer_ask_chat_refresh (buffer, 1);
if (gui_add_hotlist
&& ((buffer->num_displayed == 0)
|| (gui_buffer_is_scrolled (buffer))))
{
gui_hotlist_add (buffer, 0, NULL, 1);
gui_status_refresh_needed = 1;
}
}
}
/*
* gui_chat_printf_y: display a message on a line in a buffer with free content
* Info: this function works only with free content
* buffers (not formated buffers)
*/
void
gui_chat_printf_y (struct t_gui_buffer *buffer, int y, char *message, ...)
{
char buf[8192];
va_list argptr;
struct t_gui_line *ptr_line;
if (gui_init_ok)
{
if (!buffer)
buffer = gui_buffer_search_main ();
if (buffer->type != GUI_BUFFER_TYPE_FREE)
buffer = gui_buffers;
if (buffer->type != GUI_BUFFER_TYPE_FREE)
return;
}
/* no message: delete line */
if (!message)
{
if (gui_init_ok)
{
for (ptr_line = buffer->lines; ptr_line;
ptr_line = ptr_line->next_line)
{
if (ptr_line->y >= y)
break;
}
if (ptr_line && (ptr_line->y == y))
{
gui_chat_line_free (buffer, ptr_line);
gui_buffer_ask_chat_refresh (buffer, 2);
}
}
}
else
{
/* with message: create line or merge content with existing line */
va_start (argptr, message);
vsnprintf (buf, sizeof (buf) - 1, message, argptr);
va_end (argptr);
utf8_normalize (buf, '?');
if (gui_init_ok)
{
gui_chat_line_add_y (buffer, y, buf);
gui_buffer_ask_chat_refresh (buffer, 1);
}
else
string_iconv_fprintf (stdout, "%s\n", buf);
}
}
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