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weechat/src/gui/curses/gui-curses-chat.c
T

1212 lines
46 KiB
C

/*
* 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-curses-chat.c: chat display functions for Curses 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-string.h"
#include "../../core/wee-utf8.h"
#include "../../plugins/plugin.h"
#include "../gui-buffer.h"
#include "../gui-chat.h"
#include "../gui-color.h"
#include "../gui-hotlist.h"
#include "../gui-line.h"
#include "../gui-main.h"
#include "../gui-window.h"
#include "gui-curses.h"
/*
* gui_chat_get_real_width: return real width: width - 1 if nicklist is at right,
* for good copy/paste (without nicklist separator)
*/
int
gui_chat_get_real_width (struct t_gui_window *window)
{
if (window->win_chat_x + window->win_chat_width < gui_window_get_width ())
return window->win_chat_width - 1;
else
return window->win_chat_width;
}
/*
* gui_chat_marker_for_line: return 1 if marker must be displayed after this
* line, or 0 if it must not
*/
int
gui_chat_marker_for_line (struct t_gui_buffer *buffer, struct t_gui_line *line)
{
struct t_gui_line *last_read_line;
/* marker is disabled in config? */
if (CONFIG_INTEGER(config_look_read_marker) != CONFIG_LOOK_READ_MARKER_LINE)
return 0;
/* marker is not set for buffer? */
if (!buffer->lines->last_read_line)
return 0;
last_read_line = buffer->lines->last_read_line;
if (!last_read_line->data->displayed)
last_read_line = gui_line_get_prev_displayed (last_read_line);
if (!last_read_line)
return 0;
while (line)
{
if (last_read_line == line)
{
if (CONFIG_BOOLEAN(config_look_read_marker_always_show))
return 1;
return (gui_line_get_next_displayed (line) != NULL) ? 1 : 0;
}
if (line->data->displayed)
break;
line = line->next_line;
}
return 0;
}
/*
* gui_chat_display_new_line: display a new line
*/
void
gui_chat_display_new_line (struct t_gui_window *window, int num_lines, int count,
int *lines_displayed, int simulate)
{
if ((count == 0) || (*lines_displayed >= num_lines - count))
{
if ((!simulate)
&& (window->win_chat_cursor_x <= gui_chat_get_real_width (window) - 1))
{
wmove (GUI_WINDOW_OBJECTS(window)->win_chat,
window->win_chat_cursor_y,
window->win_chat_cursor_x);
wclrtoeol (GUI_WINDOW_OBJECTS(window)->win_chat);
}
window->win_chat_cursor_y++;
}
window->win_chat_cursor_x = 0;
(*lines_displayed)++;
}
/*
* gui_chat_display_horizontal_line: display an horizontal line (marker for
* data not read)
*/
void
gui_chat_display_horizontal_line (struct t_gui_window *window, int simulate)
{
int x, size_on_screen;
char *read_marker_string, *default_string = "- ";
if (!simulate)
{
if (CONFIG_INTEGER(config_look_read_marker) == CONFIG_LOOK_READ_MARKER_LINE)
{
read_marker_string = CONFIG_STRING(config_look_read_marker_string);
if (!read_marker_string || !read_marker_string[0])
read_marker_string = default_string;
size_on_screen = utf8_strlen_screen (read_marker_string);
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_READ_MARKER);
wmove (GUI_WINDOW_OBJECTS(window)->win_chat,
window->win_chat_cursor_y, window->win_chat_cursor_x);
wclrtoeol (GUI_WINDOW_OBJECTS(window)->win_chat);
x = 0;
while (x < window->win_chat_width - 1)
{
mvwprintw (GUI_WINDOW_OBJECTS(window)->win_chat,
window->win_chat_cursor_y, x,
"%s", read_marker_string);
x += size_on_screen;
}
}
window->win_chat_cursor_x = window->win_chat_width;
}
}
/*
* gui_chat_string_next_char: returns next char of a word (for display)
* special chars like colors, bold, .. are skipped
* and optionaly applied
*/
char *
gui_chat_string_next_char (struct t_gui_window *window,
const unsigned char *string, int apply_style)
{
while (string[0])
{
switch (string[0])
{
case GUI_COLOR_COLOR_CHAR:
string++;
switch (string[0])
{
case GUI_COLOR_FG_CHAR: /* fg color */
string++;
gui_window_string_apply_color_fg ((unsigned char **)&string,
(apply_style) ? GUI_WINDOW_OBJECTS(window)->win_chat : NULL);
break;
case GUI_COLOR_BG_CHAR: /* bg color */
string++;
gui_window_string_apply_color_bg ((unsigned char **)&string,
(apply_style) ? GUI_WINDOW_OBJECTS(window)->win_chat : NULL);
break;
case GUI_COLOR_FG_BG_CHAR: /* fg + bg color */
string++;
gui_window_string_apply_color_fg_bg ((unsigned char **)&string,
(apply_style) ? GUI_WINDOW_OBJECTS(window)->win_chat : NULL);
break;
case GUI_COLOR_EXTENDED_CHAR: /* pair number */
string++;
gui_window_string_apply_color_pair ((unsigned char **)&string,
(apply_style) ? GUI_WINDOW_OBJECTS(window)->win_chat : NULL);
break;
case GUI_COLOR_BAR_CHAR: /* bar color */
string++;
switch (string[0])
{
case GUI_COLOR_BAR_FG_CHAR:
case GUI_COLOR_BAR_DELIM_CHAR:
case GUI_COLOR_BAR_BG_CHAR:
case GUI_COLOR_BAR_START_INPUT_CHAR:
case GUI_COLOR_BAR_START_INPUT_HIDDEN_CHAR:
case GUI_COLOR_BAR_MOVE_CURSOR_CHAR:
string++;
break;
}
break;
default:
gui_window_string_apply_color_weechat ((unsigned char **)&string,
(apply_style) ? GUI_WINDOW_OBJECTS(window)->win_chat : NULL);
break;
}
break;
case GUI_COLOR_SET_ATTR_CHAR:
string++;
gui_window_string_apply_color_set_attr ((unsigned char **)&string,
(apply_style) ? GUI_WINDOW_OBJECTS(window)->win_chat : NULL);
break;
case GUI_COLOR_REMOVE_ATTR_CHAR:
string++;
gui_window_string_apply_color_remove_attr ((unsigned char **)&string,
(apply_style) ? GUI_WINDOW_OBJECTS(window)->win_chat : NULL);
break;
case GUI_COLOR_RESET_CHAR:
string++;
if (apply_style)
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat, GUI_COLOR_CHAT);
break;
default:
return (char *)string;
break;
}
}
/* nothing found except color/attrib codes, so return NULL */
return NULL;
}
/*
* gui_chat_display_word_raw: display word on chat buffer, letter by letter
* special chars like color, bold, .. are interpreted
* return number of chars displayed on screen
*/
int
gui_chat_display_word_raw (struct t_gui_window *window, const char *string,
int max_chars_on_screen, int display)
{
char *next_char, *output, utf_char[16];
int chars_displayed, display_char, size_on_screen;
if (display)
wmove (GUI_WINDOW_OBJECTS(window)->win_chat,
window->win_chat_cursor_y,
window->win_chat_cursor_x);
chars_displayed = 0;
while (string && string[0])
{
string = gui_chat_string_next_char (window,
(unsigned char *)string, 1);
if (!string)
return chars_displayed;
next_char = utf8_next_char (string);
if (display && next_char)
{
memcpy (utf_char, string, next_char - string);
utf_char[next_char - string] = '\0';
if (!gui_chat_utf_char_valid (utf_char))
snprintf (utf_char, sizeof (utf_char), " ");
display_char = (window->buffer->type != GUI_BUFFER_TYPE_FREE)
|| (chars_displayed >= window->scroll->start_col);
size_on_screen = utf8_strlen_screen (utf_char);
if (max_chars_on_screen > 0)
{
if (chars_displayed + size_on_screen > max_chars_on_screen)
return chars_displayed;
chars_displayed += size_on_screen;
}
if (display_char && (size_on_screen > 0))
{
output = string_iconv_from_internal (NULL, utf_char);
wprintw (GUI_WINDOW_OBJECTS(window)->win_chat,
"%s", (output) ? output : utf_char);
if (output)
free (output);
}
}
string = next_char;
}
return chars_displayed;
}
/*
* gui_chat_display_word: display a word on chat buffer
*/
void
gui_chat_display_word (struct t_gui_window *window,
struct t_gui_line *line,
char *data, char *end_offset,
int prefix, int num_lines, int count,
int *lines_displayed, int simulate)
{
char *end_line, saved_char_end, saved_char, str_space[] = " ";
int pos_saved_char, chars_to_display, num_displayed;
int length_align;
attr_t attrs;
attr_t *ptr_attrs;
short pair;
short *ptr_pair;
if (!data ||
((!simulate) && (window->win_chat_cursor_y >= window->win_chat_height)))
return;
end_line = data + strlen (data);
if (end_offset && end_offset[0])
{
saved_char_end = end_offset[0];
end_offset[0] = '\0';
}
else
{
end_offset = NULL;
saved_char_end = '\0';
}
while (data && data[0])
{
/* insert spaces for aligning text under time/nick */
length_align = gui_line_get_align (window->buffer, line, 0, 0);
if ((window->win_chat_cursor_x == 0)
&& (*lines_displayed > 0)
/* FIXME: modify arbitraty value for non aligning messages on time/nick? */
&& (length_align < (window->win_chat_width - 5)))
{
if (!simulate)
{
wmove (GUI_WINDOW_OBJECTS(window)->win_chat,
window->win_chat_cursor_y,
window->win_chat_cursor_x);
wclrtoeol (GUI_WINDOW_OBJECTS(window)->win_chat);
}
window->win_chat_cursor_x += length_align;
if ((CONFIG_INTEGER(config_look_align_end_of_lines) == CONFIG_LOOK_ALIGN_END_OF_LINES_MESSAGE)
&& (CONFIG_INTEGER(config_look_prefix_align) != CONFIG_LOOK_PREFIX_ALIGN_NONE)
&& CONFIG_STRING(config_look_prefix_suffix)
&& CONFIG_STRING(config_look_prefix_suffix)[0])
{
if (!simulate)
{
ptr_attrs = &attrs;
ptr_pair = &pair;
wattr_get (GUI_WINDOW_OBJECTS(window)->win_chat,
ptr_attrs, ptr_pair, NULL);
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_PREFIX_SUFFIX);
gui_chat_display_word_raw (window,
CONFIG_STRING(config_look_prefix_suffix),
0, 1);
}
window->win_chat_cursor_x += gui_chat_strlen_screen (CONFIG_STRING(config_look_prefix_suffix));
if (!simulate)
gui_chat_display_word_raw (window, str_space, 0, 1);
window->win_chat_cursor_x += gui_chat_strlen_screen (str_space);
if (!simulate)
wattr_set (GUI_WINDOW_OBJECTS(window)->win_chat, attrs, pair, NULL);
}
}
chars_to_display = gui_chat_strlen_screen (data);
/* too long for current line */
if (window->win_chat_cursor_x + chars_to_display > gui_chat_get_real_width (window))
{
num_displayed = gui_chat_get_real_width (window) - window->win_chat_cursor_x;
pos_saved_char = gui_chat_string_real_pos (data, num_displayed);
if (!simulate)
{
saved_char = data[pos_saved_char];
data[pos_saved_char] = '\0';
if ((count == 0) || (*lines_displayed >= num_lines - count))
gui_chat_display_word_raw (window, data, 0, 1);
else
gui_chat_display_word_raw (window, data, 0, 0);
data[pos_saved_char] = saved_char;
}
data += pos_saved_char;
}
else
{
num_displayed = chars_to_display;
if (!simulate)
{
if ((count == 0) || (*lines_displayed >= num_lines - count))
gui_chat_display_word_raw (window, data, 0, 1);
else
gui_chat_display_word_raw (window, data, 0, 0);
}
data += strlen (data);
}
window->win_chat_cursor_x += num_displayed;
/* display new line? */
if ((!prefix && (data >= end_line)) ||
(((simulate) ||
(window->win_chat_cursor_y <= window->win_chat_height - 1)) &&
(window->win_chat_cursor_x > (gui_chat_get_real_width (window) - 1))))
gui_chat_display_new_line (window, num_lines, count,
lines_displayed, simulate);
if ((!prefix && (data >= end_line)) ||
((!simulate) && (window->win_chat_cursor_y >= window->win_chat_height)))
data = NULL;
}
if (end_offset)
end_offset[0] = saved_char_end;
}
/*
* gui_chat_display_time_and_prefix: display time and prefix for a line
*/
void
gui_chat_display_time_and_prefix (struct t_gui_window *window,
struct t_gui_line *line,
int num_lines, int count,
int *lines_displayed,
int simulate)
{
char str_space[] = " ", str_plus[] = "+", *prefix_highlighted;
int i, length, length_allowed, num_spaces;
struct t_gui_lines *mixed_lines;
if (!simulate)
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat, GUI_COLOR_CHAT);
/* display time */
if (window->buffer->time_for_each_line
&& (line->data->str_time && line->data->str_time[0]))
{
gui_chat_display_word (window, line, line->data->str_time,
NULL, 1, num_lines, count, lines_displayed,
simulate);
if (!simulate)
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat, GUI_COLOR_CHAT);
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
/* display buffer name (if many buffers are merged) */
mixed_lines = line->data->buffer->mixed_lines;
if (mixed_lines)
{
if ((CONFIG_INTEGER(config_look_prefix_buffer_align_max) > 0)
&& (CONFIG_INTEGER(config_look_prefix_buffer_align) != CONFIG_LOOK_PREFIX_BUFFER_ALIGN_NONE))
{
length_allowed =
(mixed_lines->buffer_max_length <= CONFIG_INTEGER(config_look_prefix_buffer_align_max)) ?
mixed_lines->buffer_max_length : CONFIG_INTEGER(config_look_prefix_buffer_align_max);
}
else
length_allowed = mixed_lines->buffer_max_length;
length = gui_chat_strlen_screen (line->data->buffer->short_name);
num_spaces = length_allowed - length;
if (CONFIG_INTEGER(config_look_prefix_buffer_align) == CONFIG_LOOK_PREFIX_BUFFER_ALIGN_RIGHT)
{
if (!simulate)
{
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT);
}
for (i = 0; i < num_spaces; i++)
{
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count,
lines_displayed, simulate);
}
}
if (!simulate)
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_PREFIX_BUFFER);
}
/* not enough space to display full buffer name? => truncate it! */
if ((CONFIG_INTEGER(config_look_prefix_buffer_align) != CONFIG_LOOK_PREFIX_BUFFER_ALIGN_NONE)
&& (num_spaces < 0))
{
gui_chat_display_word (window, line,
line->data->buffer->short_name,
line->data->buffer->short_name +
gui_chat_string_real_pos (line->data->buffer->short_name,
length_allowed),
1, num_lines, count, lines_displayed,
simulate);
}
else
{
gui_chat_display_word (window, line,
line->data->buffer->short_name,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
if ((CONFIG_INTEGER(config_look_prefix_buffer_align) != CONFIG_LOOK_PREFIX_BUFFER_ALIGN_NONE)
&& (num_spaces < 0))
{
if (!simulate)
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_PREFIX_MORE);
}
gui_chat_display_word (window, line,
(CONFIG_BOOLEAN(config_look_prefix_buffer_align_more)) ?
str_plus : str_space,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
else
{
if (!simulate)
{
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT);
}
if ((CONFIG_INTEGER(config_look_prefix_buffer_align) == CONFIG_LOOK_PREFIX_BUFFER_ALIGN_LEFT)
|| ((CONFIG_INTEGER(config_look_prefix_buffer_align) == CONFIG_LOOK_PREFIX_BUFFER_ALIGN_NONE)
&& (CONFIG_INTEGER(config_look_prefix_align) != CONFIG_LOOK_PREFIX_ALIGN_NONE)))
{
for (i = 0; i < num_spaces; i++)
{
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
}
if (mixed_lines->buffer_max_length > 0)
{
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
}
}
/* display prefix */
if (line->data->prefix
&& (line->data->prefix[0]
|| (CONFIG_INTEGER(config_look_prefix_align) != CONFIG_LOOK_PREFIX_ALIGN_NONE)))
{
if (!simulate)
{
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT);
}
if (CONFIG_INTEGER(config_look_prefix_align_max) > 0)
{
length_allowed =
(window->buffer->lines->prefix_max_length <= CONFIG_INTEGER(config_look_prefix_align_max)) ?
window->buffer->lines->prefix_max_length : CONFIG_INTEGER(config_look_prefix_align_max);
}
else
length_allowed = window->buffer->lines->prefix_max_length;
num_spaces = length_allowed - line->data->prefix_length;
if (CONFIG_INTEGER(config_look_prefix_align) == CONFIG_LOOK_PREFIX_ALIGN_RIGHT)
{
for (i = 0; i < num_spaces; i++)
{
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count,
lines_displayed, simulate);
}
}
prefix_highlighted = NULL;
if (line->data->highlight)
{
prefix_highlighted = gui_color_decode (line->data->prefix, NULL);
if (!simulate)
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_HIGHLIGHT);
}
}
/* not enough space to display full prefix? => truncate it! */
if ((CONFIG_INTEGER(config_look_prefix_align) != CONFIG_LOOK_PREFIX_ALIGN_NONE)
&& (num_spaces < 0))
{
gui_chat_display_word (window, line,
(prefix_highlighted) ? prefix_highlighted : line->data->prefix,
(prefix_highlighted) ?
prefix_highlighted + gui_chat_string_real_pos (prefix_highlighted,
length_allowed) :
line->data->prefix + gui_chat_string_real_pos (line->data->prefix,
length_allowed),
1, num_lines, count, lines_displayed,
simulate);
}
else
{
gui_chat_display_word (window, line,
(prefix_highlighted) ? prefix_highlighted : line->data->prefix,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
if (prefix_highlighted)
free (prefix_highlighted);
if (!simulate)
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat, GUI_COLOR_CHAT);
if (CONFIG_INTEGER(config_look_prefix_align) == CONFIG_LOOK_PREFIX_ALIGN_LEFT)
{
for (i = 0; i < num_spaces; i++)
{
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
}
if ((CONFIG_INTEGER(config_look_prefix_align) != CONFIG_LOOK_PREFIX_ALIGN_NONE)
&& (num_spaces < 0))
{
if (!simulate)
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_PREFIX_MORE);
}
gui_chat_display_word (window, line,
(CONFIG_BOOLEAN(config_look_prefix_align_more)) ?
str_plus : str_space,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
else
{
if (window->buffer->lines->prefix_max_length > 0)
{
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count, lines_displayed,
simulate);
}
}
if ((CONFIG_INTEGER(config_look_prefix_align) != CONFIG_LOOK_PREFIX_ALIGN_NONE)
&& (CONFIG_STRING(config_look_prefix_suffix)
&& CONFIG_STRING(config_look_prefix_suffix)[0]))
{
if (!simulate)
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_PREFIX_SUFFIX);
}
gui_chat_display_word (window, line,
CONFIG_STRING(config_look_prefix_suffix),
NULL, 1, num_lines, count,
lines_displayed, simulate);
gui_chat_display_word (window, line, str_space,
NULL, 1, num_lines, count,
lines_displayed, simulate);
}
}
}
/*
* gui_chat_display_line: display a line in the chat window
* if count == 0, display whole line
* if count > 0, display 'count' lines
* (beginning from the end)
* if simulate == 1, nothing is displayed
* (for counting how many lines would have been
* displayed)
* return number of lines displayed (or simulated)
*/
int
gui_chat_display_line (struct t_gui_window *window, struct t_gui_line *line,
int count, int simulate)
{
int num_lines, x, y, lines_displayed, line_align;
int read_marker_x, read_marker_y, marker_line;
int word_start_offset, word_end_offset;
int word_length_with_spaces, word_length;
char *ptr_data, *ptr_end_offset, *next_char;
char *ptr_style;
if (!line)
return 0;
if (simulate)
{
x = window->win_chat_cursor_x;
y = window->win_chat_cursor_y;
window->win_chat_cursor_x = 0;
window->win_chat_cursor_y = 0;
num_lines = 0;
}
else
{
if (window->win_chat_cursor_y > window->win_chat_height - 1)
return 0;
x = window->win_chat_cursor_x;
y = window->win_chat_cursor_y;
num_lines = gui_chat_display_line (window, line, 0, 1);
window->win_chat_cursor_x = x;
window->win_chat_cursor_y = y;
}
/* calculate marker position (maybe not used for this line!) */
if (window->buffer->time_for_each_line && line->data->str_time)
read_marker_x = x + gui_chat_strlen_screen (line->data->str_time);
else
read_marker_x = x;
read_marker_y = y;
lines_displayed = 0;
marker_line = gui_chat_marker_for_line (window->buffer, line);
/* display time and prefix */
gui_chat_display_time_and_prefix (window, line, num_lines, count,
&lines_displayed, simulate);
/* reset color & style for a new line */
if (!simulate)
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat, GUI_COLOR_CHAT);
if (!line->data->message || !line->data->message[0])
{
gui_chat_display_new_line (window, num_lines, count,
&lines_displayed, simulate);
}
else
{
ptr_data = line->data->message;
while (ptr_data && ptr_data[0])
{
gui_chat_get_word_info (window,
ptr_data,
&word_start_offset,
&word_end_offset,
&word_length_with_spaces, &word_length);
ptr_end_offset = ptr_data + word_end_offset;
if (word_length > 0)
{
/* spaces + word too long for current line but ok for next line */
line_align = gui_line_get_align (window->buffer, line, 1,
(lines_displayed == 0) ? 1 : 0);
if ((window->win_chat_cursor_x + word_length_with_spaces > gui_chat_get_real_width (window))
&& (word_length <= gui_chat_get_real_width (window) - line_align))
{
gui_chat_display_new_line (window, num_lines, count,
&lines_displayed, simulate);
/* apply styles before jumping to start of word */
if (!simulate && (word_start_offset > 0))
{
ptr_style = ptr_data;
while (ptr_style < ptr_data + word_start_offset)
{
/* loop until no style/char available */
ptr_style = gui_chat_string_next_char (window,
(unsigned char *)ptr_style,
1);
if (!ptr_style)
break;
ptr_style = utf8_next_char (ptr_style);
}
}
/* jump to start of word */
ptr_data += word_start_offset;
}
/* display word */
gui_chat_display_word (window, line, ptr_data,
ptr_end_offset + 1,
0, num_lines, count, &lines_displayed,
simulate);
if ((!simulate) && (window->win_chat_cursor_y >= window->win_chat_height))
ptr_data = NULL;
else
{
/* move pointer after end of word */
ptr_data = ptr_end_offset + 1;
if (*(ptr_data - 1) == '\0')
ptr_data = NULL;
if (window->win_chat_cursor_x == 0)
{
while (ptr_data && (ptr_data[0] == ' '))
{
next_char = utf8_next_char (ptr_data);
if (!next_char)
break;
ptr_data = gui_chat_string_next_char (window,
(unsigned char *)next_char,
1);
}
}
}
}
else
{
gui_chat_display_new_line (window, num_lines, count,
&lines_displayed, simulate);
ptr_data = NULL;
}
}
}
if (marker_line)
{
gui_chat_display_horizontal_line (window, simulate);
gui_chat_display_new_line (window, num_lines, count,
&lines_displayed, simulate);
}
if (simulate)
{
window->win_chat_cursor_x = x;
window->win_chat_cursor_y = y;
}
else
{
/* display marker if line is matching user search */
if (window->buffer->text_search != GUI_TEXT_SEARCH_DISABLED)
{
if (gui_line_search_text (line, window->buffer->input_buffer,
window->buffer->text_search_exact))
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_TEXT_FOUND);
mvwprintw (GUI_WINDOW_OBJECTS(window)->win_chat,
read_marker_y, read_marker_x,
"*");
}
}
else
{
/* display read marker if needed */
if ((CONFIG_INTEGER(config_look_read_marker) == CONFIG_LOOK_READ_MARKER_CHAR)
&& window->buffer->lines->last_read_line
&& (window->buffer->lines->last_read_line == gui_line_get_prev_displayed (line)))
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(window)->win_chat,
GUI_COLOR_CHAT_READ_MARKER);
mvwprintw (GUI_WINDOW_OBJECTS(window)->win_chat,
read_marker_y, read_marker_x,
"*");
}
}
}
return lines_displayed;
}
/*
* gui_chat_display_line_y: display a line in the chat window (for a buffer
* with free content)
*/
void
gui_chat_display_line_y (struct t_gui_window *window, struct t_gui_line *line,
int y)
{
/* reset color & style for a new line */
gui_window_reset_style (GUI_WINDOW_OBJECTS(window)->win_chat, GUI_COLOR_CHAT);
window->win_chat_cursor_x = 0;
window->win_chat_cursor_y = y;
wmove (GUI_WINDOW_OBJECTS(window)->win_chat,
window->win_chat_cursor_y,
window->win_chat_cursor_x);
wclrtoeol (GUI_WINDOW_OBJECTS(window)->win_chat);
if (gui_chat_display_word_raw (window, line->data->message,
window->win_chat_width, 1) < window->win_chat_width)
{
gui_window_clrtoeol (GUI_WINDOW_OBJECTS(window)->win_chat);
}
}
/*
* gui_chat_calculate_line_diff: returns pointer to line & offset for a
* difference with given line
*/
void
gui_chat_calculate_line_diff (struct t_gui_window *window,
struct t_gui_line **line, int *line_pos,
int difference)
{
int backward, current_size;
if (!line || !line_pos)
return;
backward = (difference < 0);
if (!(*line))
{
/* if looking backward, start at last line of buffer */
if (backward)
{
*line = gui_line_get_last_displayed (window->buffer);
if (!(*line))
return;
current_size = gui_chat_display_line (window, *line, 0, 1);
if (current_size == 0)
current_size = 1;
*line_pos = current_size - 1;
}
/* if looking forward, start at first line of buffer */
else
{
*line = gui_line_get_first_displayed (window->buffer);
if (!(*line))
return;
*line_pos = 0;
current_size = gui_chat_display_line (window, *line, 0, 1);
}
}
else
current_size = gui_chat_display_line (window, *line, 0, 1);
while ((*line) && (difference != 0))
{
/* looking backward */
if (backward)
{
if (*line_pos > 0)
(*line_pos)--;
else
{
*line = gui_line_get_prev_displayed (*line);
if (*line)
{
current_size = gui_chat_display_line (window, *line, 0, 1);
if (current_size == 0)
current_size = 1;
*line_pos = current_size - 1;
}
}
difference++;
}
/* looking forward */
else
{
if (*line_pos < current_size - 1)
(*line_pos)++;
else
{
*line = gui_line_get_next_displayed (*line);
if (*line)
{
current_size = gui_chat_display_line (window, *line, 0, 1);
if (current_size == 0)
current_size = 1;
*line_pos = 0;
}
}
difference--;
}
}
/* first or last line reached */
if (!(*line))
{
if (backward)
{
/* first line reached */
*line = gui_line_get_first_displayed (window->buffer);
*line_pos = 0;
}
else
{
/* last line reached => consider we'll display all until the end */
*line_pos = 0;
}
}
}
/*
* gui_chat_draw: draw chat window for a buffer
*/
void
gui_chat_draw (struct t_gui_buffer *buffer, int erase)
{
struct t_gui_window *ptr_win;
struct t_gui_line *ptr_line;
char format_empty[32];
int i, line_pos, count, old_scrolling, old_lines_after;
int y_start, y_end;
if (!gui_ok)
return;
for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
{
if (ptr_win->buffer->number == buffer->number)
{
if (erase)
{
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(ptr_win)->win_chat,
GUI_COLOR_CHAT);
snprintf (format_empty, 32, "%%-%ds", ptr_win->win_chat_width);
for (i = 0; i < ptr_win->win_chat_height; i++)
{
mvwprintw (GUI_WINDOW_OBJECTS(ptr_win)->win_chat, i, 0,
format_empty, " ");
}
}
gui_window_set_weechat_color (GUI_WINDOW_OBJECTS(ptr_win)->win_chat,
GUI_COLOR_CHAT);
ptr_win->win_chat_cursor_x = 0;
ptr_win->win_chat_cursor_y = 0;
switch (ptr_win->buffer->type)
{
case GUI_BUFFER_TYPE_FORMATTED:
/* display at position of scrolling */
if (ptr_win->scroll->start_line)
{
ptr_line = ptr_win->scroll->start_line;
line_pos = ptr_win->scroll->start_line_pos;
}
else
{
/* look for first line to display, starting from last line */
ptr_line = NULL;
line_pos = 0;
gui_chat_calculate_line_diff (ptr_win, &ptr_line, &line_pos,
(-1) * (ptr_win->win_chat_height - 1));
}
count = 0;
if (line_pos > 0)
{
/* display end of first line at top of screen */
count = gui_chat_display_line (ptr_win, ptr_line,
gui_chat_display_line (ptr_win,
ptr_line,
0, 1) -
line_pos, 0);
ptr_line = gui_line_get_next_displayed (ptr_line);
ptr_win->scroll->first_line_displayed = 0;
}
else
ptr_win->scroll->first_line_displayed =
(ptr_line == gui_line_get_first_displayed (ptr_win->buffer));
/* display lines */
while (ptr_line && (ptr_win->win_chat_cursor_y <= ptr_win->win_chat_height - 1))
{
count = gui_chat_display_line (ptr_win, ptr_line, 0, 0);
ptr_line = gui_line_get_next_displayed (ptr_line);
}
old_scrolling = ptr_win->scroll->scrolling;
old_lines_after = ptr_win->scroll->lines_after;
ptr_win->scroll->scrolling = (ptr_win->win_chat_cursor_y > ptr_win->win_chat_height - 1);
/* check if last line of buffer is entirely displayed and scrolling */
/* if so, disable scroll indicator */
if (!ptr_line && ptr_win->scroll->scrolling)
{
if ((count == gui_chat_display_line (ptr_win, gui_line_get_last_displayed (ptr_win->buffer), 0, 1))
|| (count == ptr_win->win_chat_height))
ptr_win->scroll->scrolling = 0;
}
if (!ptr_win->scroll->scrolling
&& (ptr_win->scroll->start_line == gui_line_get_first_displayed (ptr_win->buffer)))
{
ptr_win->scroll->start_line = NULL;
ptr_win->scroll->start_line_pos = 0;
}
ptr_win->scroll->lines_after = 0;
if (ptr_win->scroll->scrolling && ptr_line)
{
/* count number of lines after last line displayed */
while (ptr_line)
{
ptr_line = gui_line_get_next_displayed (ptr_line);
if (ptr_line)
ptr_win->scroll->lines_after++;
}
ptr_win->scroll->lines_after++;
}
if ((ptr_win->scroll->scrolling != old_scrolling)
|| (ptr_win->scroll->lines_after != old_lines_after))
{
hook_signal_send ("window_scrolled",
WEECHAT_HOOK_SIGNAL_POINTER, ptr_win);
}
if (!ptr_win->scroll->scrolling
&& ptr_win->scroll->reset_allowed)
{
ptr_win->scroll->start_line = NULL;
ptr_win->scroll->start_line_pos = 0;
}
/* cursor is below end line of chat window? */
if (ptr_win->win_chat_cursor_y > ptr_win->win_chat_height - 1)
{
ptr_win->win_chat_cursor_x = 0;
ptr_win->win_chat_cursor_y = ptr_win->win_chat_height - 1;
}
ptr_win->scroll->reset_allowed = 0;
break;
case GUI_BUFFER_TYPE_FREE:
/* display at position of scrolling */
ptr_line = (ptr_win->scroll->start_line) ?
ptr_win->scroll->start_line : buffer->lines->first_line;
if (ptr_line)
{
if (!ptr_line->data->displayed)
ptr_line = gui_line_get_next_displayed (ptr_line);
if (ptr_line)
{
y_start = (ptr_win->scroll->start_line) ? ptr_line->data->y : 0;
y_end = y_start + ptr_win->win_chat_height - 1;
while (ptr_line && (ptr_line->data->y <= y_end))
{
if (ptr_line->data->refresh_needed || erase)
{
gui_chat_display_line_y (ptr_win, ptr_line,
ptr_line->data->y - y_start);
}
ptr_line = gui_line_get_next_displayed (ptr_line);
}
}
}
break;
case GUI_BUFFER_NUM_TYPES:
break;
}
wnoutrefresh (GUI_WINDOW_OBJECTS(ptr_win)->win_chat);
}
}
refresh ();
if (buffer->type == GUI_BUFFER_TYPE_FREE)
{
for (ptr_line = buffer->lines->first_line; ptr_line;
ptr_line = ptr_line->next_line)
{
ptr_line->data->refresh_needed = 0;
}
}
buffer->chat_refresh_needed = 0;
}
/*
* gui_chat_draw_line: add a line to chat window for a buffer
*/
void
gui_chat_draw_line (struct t_gui_buffer *buffer, struct t_gui_line *line)
{
/*
* This function does nothing in Curses GUI,
* line will be displayed by gui_buffer_draw_chat()
*/
(void) buffer;
(void) line;
}