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/SB REDRAW functionality - not fully working yet.

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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1627 dbcabf3a-b0e7-0310-adc4-f8d773084564
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Timo Sirainen 2001-07-15 13:13:46 +00:00 committed by cras
parent 79d1d7089a
commit 7f9959274c
2 changed files with 288 additions and 0 deletions
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279
src/fe-text/textbuffer-reformat.c Normal file
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/*
textbuffer-reformat.c : Reformatting lines in text buffer
Copyright (C) 1999-2001 Timo Sirainen
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "signals.h"
#include "settings.h"
#include "formats.h"
#include "gui-windows.h"
#include "textbuffer.h"
static GString *format;
static int scrollback_save_formats;
/* Read one block between \0<format>s */
static char *line_read_format(unsigned const char **text)
{
GString *str;
char *ret;
str = g_string_new(NULL);
for (;;) {
if (**text == '\0') {
if ((*text)[1] == LINE_CMD_EOL) {
/* leave text at \0<eof> */
break;
}
if ((*text)[1] == LINE_CMD_FORMAT_CONT) {
/* leave text at \0<format_cont> */
break;
}
(*text)++;
if (**text == LINE_CMD_FORMAT) {
/* move text to start after \0<format> */
(*text)++;
break;
}
if (**text == LINE_CMD_CONTINUE) {
unsigned char *tmp;
memcpy(&tmp, (*text)+1, sizeof(char *));
*text = tmp;
continue;
} else if (**text & 0x80)
(*text)++;
continue;
}
g_string_append_c(str, (char) **text);
(*text)++;
}
ret = str->str;
g_string_free(str, FALSE);
return ret;
}
static char *textbuffer_line_get_format(WINDOW_REC *window, LINE_REC *line,
GString *raw)
{
const unsigned char *text;
char *module, *format_name, *args[MAX_FORMAT_PARAMS], *ret;
TEXT_DEST_REC dest;
int formatnum, argcount;
text = (const unsigned char *) line->text;
/* skip the beginning of the line until we find the format */
g_free(line_read_format(&text));
if (text[1] == LINE_CMD_FORMAT_CONT) {
if (raw != NULL) {
g_string_append_c(raw, '\0');
g_string_append_c(raw, (char)LINE_CMD_FORMAT_CONT);
}
return NULL;
}
/* read format information */
module = line_read_format(&text);
format_name = line_read_format(&text);
if (raw != NULL) {
g_string_append_c(raw, '\0');
g_string_append_c(raw, (char)LINE_CMD_FORMAT);
g_string_append(raw, module);
g_string_append_c(raw, '\0');
g_string_append_c(raw, (char)LINE_CMD_FORMAT);
g_string_append(raw, format_name);
}
formatnum = format_find_tag(module, format_name);
if (formatnum == -1)
ret = NULL;
else {
argcount = 0;
memset(args, 0, sizeof(args));
while (*text != '\0' || text[1] != LINE_CMD_EOL) {
args[argcount] = line_read_format(&text);
if (raw != NULL) {
g_string_append_c(raw, '\0');
g_string_append_c(raw,
(char)LINE_CMD_FORMAT);
g_string_append(raw, args[argcount]);
}
argcount++;
}
/* get the format text */
format_create_dest(&dest, NULL, NULL, line->info.level, window);
ret = format_get_text_theme_charargs(current_theme,
module, &dest,
formatnum, args);
while (argcount > 0)
g_free(args[--argcount]);
}
g_free(module);
g_free(format_name);
return ret;
}
void textbuffer_reformat_line(WINDOW_REC *window, LINE_REC *line)
{
GUI_WINDOW_REC *gui;
TEXT_DEST_REC dest;
LINE_REC *line_prev;
LINE_INFO_REC line_info;
GString *raw;
char *str, *tmp, *prestr, *linestart, *leveltag;
gui = WINDOW_GUI(window);
raw = g_string_new(NULL);
str = textbuffer_line_get_format(window, line, raw);
if (str == NULL && raw->len == 2 &&
raw->str[1] == (char)LINE_CMD_FORMAT_CONT) {
/* multiline format, format explained in one the
following lines. remove this line. */
textbuffer_view_remove_line(gui->view, line);
} else if (str != NULL) {
/* FIXME: ugly ugly .. and this can't handle
unformatted lines.. */
g_string_append_c(raw, '\0');
g_string_append_c(raw, (char)LINE_CMD_EOL);
line_prev = line->prev;
memcpy(&line_info, &line->info, sizeof(line_info));
textbuffer_view_remove_line(gui->view, line); line = NULL;
format_create_dest(&dest, NULL, NULL, line_info.level, window);
linestart = format_get_line_start(current_theme, &dest, line_info.time);
leveltag = format_get_level_tag(current_theme, &dest);
prestr = g_strconcat(linestart == NULL ? "" : linestart,
leveltag, NULL);
g_free_not_null(linestart);
g_free_not_null(leveltag);
tmp = format_add_linestart(str, prestr);
g_free(str);
g_free(prestr);
gui->use_insert_after = TRUE;
gui->insert_after = line_prev;
format_send_to_gui(&dest, tmp);
gui->use_insert_after = FALSE;
g_free(tmp);
line = textbuffer_insert(gui->view->buffer, gui->insert_after,
raw->str, raw->len, &line_info);
textbuffer_view_insert_line(gui->view, line);
}
g_string_free(raw, TRUE);
}
static void sig_print_format(THEME_REC *theme, const char *module,
TEXT_DEST_REC *dest, void *formatnump,
char **args)
{
FORMAT_REC *formats;
int formatnum, n;
if (!scrollback_save_formats)
return;
formatnum = GPOINTER_TO_INT(formatnump);
formats = g_hash_table_lookup(default_formats, module);
/* <module><format_name><arg...> */
g_string_truncate(format, 0);
g_string_append_c(format, '\0');
g_string_append_c(format, (char)LINE_CMD_FORMAT);
g_string_append(format, module);
g_string_append_c(format, '\0');
g_string_append_c(format, (char)LINE_CMD_FORMAT);
g_string_append(format, formats[formatnum].tag);
for (n = 0; n < formats[formatnum].params; n++) {
g_string_append_c(format, '\0');
g_string_append_c(format, (char)LINE_CMD_FORMAT);
g_string_append(format, args[n]);
}
}
static void sig_gui_printtext_finished(WINDOW_REC *window)
{
GUI_WINDOW_REC *gui;
LINE_REC *insert_after;
if (format->len == 0)
return;
/* save format of the line */
gui = WINDOW_GUI(window);
insert_after = gui->use_insert_after ?
gui->insert_after : gui->view->buffer->cur_line;
textbuffer_insert(gui->view->buffer, insert_after,
format->str, format->len, NULL);
g_string_truncate(format, 0);
}
static void read_settings(void)
{
scrollback_save_formats = settings_get_bool("scrollback_save_formats");
}
void textbuffer_reformat_init(void)
{
format = g_string_new(NULL);
settings_add_bool("history", "scrollback_save_formats", FALSE);
read_settings();
signal_add("print format", (SIGNAL_FUNC) sig_print_format);
signal_add_first("gui print text finished", (SIGNAL_FUNC) sig_gui_printtext_finished);
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
}
void textbuffer_reformat_deinit(void)
{
g_string_free(format, TRUE);
signal_remove("print format", (SIGNAL_FUNC) sig_print_format);
signal_remove("print text finished", (SIGNAL_FUNC) sig_gui_printtext_finished);
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
}

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src/fe-text/textbuffer-reformat.h Normal file
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#ifndef __TEXTBUFFER_REFORMAT_H
#define __TEXTBUFFER_REFORMAT_H
void textbuffer_reformat_line(WINDOW_REC *window, LINE_REC *line);
void textbuffer_reformat_init(void);
void textbuffer_reformat_deinit(void);
#endif