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weechat/src/gui/gui-chat.c
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/*
* Copyright (c) 2003-2009 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-line.h"
#include "gui-main.h"
#include "gui-window.h"
char *gui_chat_buffer = NULL; /* buffer for printf */
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 (const char *string)
{
int length, size_on_screen;
length = 0;
while (string && string[0])
{
string = gui_chat_string_next_char (NULL, (unsigned char *)string, 0);
if (string)
{
size_on_screen = (((unsigned char)string[0]) < 32) ? 1 : utf8_char_size_screen (string);
if (size_on_screen > 0)
length += size_on_screen;
string = utf8_next_char (string);
}
}
return length;
}
/*
* gui_chat_string_add_offset: move forward N chars in a string, skipping all
* formatting chars (like colors,..)
*/
char *
gui_chat_string_add_offset (const char *string, int offset)
{
while (string && string[0] && (offset > 0))
{
string = gui_chat_string_next_char (NULL,
(unsigned char *)string,
0);
if (string)
{
string = utf8_next_char (string);
offset--;
}
}
return (char *)string;
}
/*
* gui_chat_string_real_pos: get real position in string
* (ignoring color/bold/.. chars)
*/
int
gui_chat_string_real_pos (const char *string, int pos)
{
const char *real_pos, *ptr_string;
int size_on_screen;
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)
{
size_on_screen = (((unsigned char)ptr_string[0]) < 32) ? 1 : utf8_char_size_screen (ptr_string);
if (size_on_screen > 0)
pos -= size_on_screen;
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,
const char *data,
int *word_start_offset, int *word_end_offset,
int *word_length_with_spaces, int *word_length)
{
const char *start_data;
char *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->first_line; ptr_line;
ptr_line = ptr_line->next_line)
{
if (ptr_line->data->date != 0)
{
if (ptr_line->data->str_time)
free (ptr_line->data->str_time);
ptr_line->data->str_time = gui_chat_get_time_string (ptr_line->data->date);
}
}
}
}
/*
* gui_chat_build_string_prefix_message: build a string with prefix and message
*/
char *
gui_chat_build_string_prefix_message (struct t_gui_line *line)
{
char *string, *string_without_colors;
int length;
length = 0;
if (line->data->prefix)
length += strlen (line->data->prefix);
length++;
if (line->data->message)
length += strlen (line->data->message);
length++;
string = malloc (length);
if (string)
{
string[0] = '\0';
if (line->data->prefix)
strcat (string, line->data->prefix);
strcat (string, "\t");
if (line->data->message)
strcat (string, line->data->message);
}
if (string)
{
string_without_colors = gui_color_decode (string, NULL);
if (string_without_colors)
{
free (string);
string = string_without_colors;
}
}
return string;
}
/*
* gui_chat_printf_date_tags: display a message in a buffer with optional
* date and tags
* Info: this function works only with formatted
* buffers (not buffers with free content)
*/
void
gui_chat_printf_date_tags (struct t_gui_buffer *buffer, time_t date,
const char *tags, const char *message, ...)
{
va_list argptr;
time_t date_printed;
int display_time, length, at_least_one_message_printed;
char *pos, *pos_prefix, *pos_tab, *pos_end;
char *modifier_data, *new_msg, *ptr_msg;
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)
return;
if (buffer->type != GUI_BUFFER_TYPE_FORMATTED)
buffer = gui_buffers;
if (buffer->type != GUI_BUFFER_TYPE_FORMATTED)
return;
}
if (!gui_chat_buffer)
gui_chat_buffer = malloc (GUI_CHAT_BUFFER_PRINTF_SIZE);
if (!gui_chat_buffer)
return;
va_start (argptr, message);
vsnprintf (gui_chat_buffer, GUI_CHAT_BUFFER_PRINTF_SIZE, message, argptr);
va_end (argptr);
utf8_normalize (gui_chat_buffer, '?');
date_printed = time (NULL);
if (date <= 0)
date = date_printed;
at_least_one_message_printed = 0;
pos = gui_chat_buffer;
while (pos)
{
/* display until next end of line */
pos_end = strchr (pos, '\n');
if (pos_end)
pos_end[0] = '\0';
/* call modifier for message printed ("weechat_print") */
new_msg = NULL;
if (buffer)
{
length = strlen (plugin_get_name (buffer->plugin)) + 1 +
strlen (buffer->name) + 1 + ((tags) ? strlen (tags) : 0) + 1;
modifier_data = malloc (length);
if (modifier_data)
{
snprintf (modifier_data, length, "%s;%s;%s",
plugin_get_name (buffer->plugin),
buffer->name,
(tags) ? tags : "");
new_msg = hook_modifier_exec (NULL,
"weechat_print",
modifier_data,
pos);
/* no changes in new message */
if (new_msg && (strcmp (message, new_msg) == 0))
{
free (new_msg);
new_msg = NULL;
}
free (modifier_data);
}
}
pos_prefix = NULL;
display_time = 1;
ptr_msg = (new_msg) ? new_msg : pos;
/* space followed by tab => prefix ignored */
if ((ptr_msg[0] == ' ') && (ptr_msg[1] == '\t'))
{
ptr_msg += 2;
}
else
{
/* if two first chars are tab, then do not display time */
if ((ptr_msg[0] == '\t') && (ptr_msg[1] == '\t'))
{
display_time = 0;
ptr_msg += 2;
}
else
{
/* if tab found, use prefix (before tab) */
pos_tab = strchr (ptr_msg, '\t');
if (pos_tab)
{
pos_tab[0] = '\0';
pos_prefix = ptr_msg;
ptr_msg = pos_tab + 1;
}
}
}
if (gui_init_ok)
{
ptr_line = gui_line_add (buffer, (display_time) ? date : 0,
(display_time) ? date_printed : 0,
tags, pos_prefix, ptr_msg);
if (ptr_line)
{
if (buffer->print_hooks_enabled)
hook_print_exec (buffer, ptr_line);
if (ptr_line->data->displayed)
at_least_one_message_printed = 1;
}
}
else
{
if (pos_prefix)
string_iconv_fprintf (stdout, "%s ", pos_prefix);
string_iconv_fprintf (stdout, "%s\n", ptr_msg);
}
if (new_msg)
free (new_msg);
pos = (pos_end && pos_end[1]) ? pos_end + 1 : NULL;
}
if (gui_init_ok && at_least_one_message_printed)
gui_buffer_ask_chat_refresh (buffer, 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 formatted buffers)
*/
void
gui_chat_printf_y (struct t_gui_buffer *buffer, int y, const char *message, ...)
{
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;
}
if (!gui_chat_buffer)
gui_chat_buffer = malloc (GUI_CHAT_BUFFER_PRINTF_SIZE);
if (!gui_chat_buffer)
return;
va_start (argptr, message);
vsnprintf (gui_chat_buffer, GUI_CHAT_BUFFER_PRINTF_SIZE, message, argptr);
va_end (argptr);
utf8_normalize (gui_chat_buffer, '?');
/* no message: delete line */
if (!gui_chat_buffer[0])
{
if (gui_init_ok)
{
for (ptr_line = buffer->own_lines->first_line; ptr_line;
ptr_line = ptr_line->next_line)
{
if (ptr_line->data->y >= y)
break;
}
if (ptr_line && (ptr_line->data->y == y))
{
gui_line_free (buffer, ptr_line);
gui_buffer_ask_chat_refresh (buffer, 2);
}
}
}
else
{
if (gui_init_ok)
{
gui_line_add_y (buffer, y, gui_chat_buffer);
gui_buffer_ask_chat_refresh (buffer, 1);
}
else
string_iconv_fprintf (stdout, "%s\n", gui_chat_buffer);
}
}
/*
* gui_chat_free_buffer: free buffer used by chat functions
*/
void
gui_chat_free_buffer ()
{
if (gui_chat_buffer)
{
free (gui_chat_buffer);
gui_chat_buffer = NULL;
}
}
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