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irssi/src/fe-text/gui-printtext.c

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/*
gui-printtext.c : irssi
Copyright (C) 1999 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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "module.h"
#include <irssi/src/core/signals.h>
#include <irssi/src/core/settings.h>
#include <irssi/src/fe-common/core/formats.h>
#include <irssi/src/fe-common/core/printtext.h>
#include <irssi/src/fe-common/core/themes.h>
#include <irssi/src/fe-text/term.h>
#include <irssi/src/fe-text/gui-printtext.h>
#include <irssi/src/fe-text/gui-windows.h>
/* Terminal indexed colour map */
int mirc_colors[] = { 15, 0, 1, 2, 12, 4, 5, 6, 14, 10, 3, 11, 9, 13, 8, 7,
/* 16-27 */ 52, 94, 100, 58, 22, 29, 23, 24, 17, 54, 53, 89,
/* 28-39 */ 88, 130, 142, 64, 28, 35, 30, 25, 18, 91, 90, 125,
/* 40-51 */ 124, 166, 184, 106, 34, 49, 37, 33, 19, 129, 127, 161,
/* 52-63 */ 196, 208, 226, 154, 46, 86, 51, 75, 21, 171, 201, 198,
/* 64-75 */ 203, 215, 227, 191, 83, 122, 87, 111, 63, 177, 207, 205,
/* 76-87 */ 217, 223, 229, 193, 157, 158, 159, 153, 147, 183, 219, 212,
/* 88-98 */ 16, 233, 235, 237, 239, 241, 244, 247, 250, 254, 231, -1 };
/* RGB colour map */
int mirc_colors24[] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
/* 16-27 */ 0x470000, 0x472100, 0x474700, 0x324700, 0x004700, 0x00472c, 0x004747, 0x002747, 0x000047, 0x2e0047, 0x470047, 0x47002a,
/* 28-39 */ 0x740000, 0x743a00, 0x747400, 0x517400, 0x007400, 0x007449, 0x007474, 0x004074, 0x000074, 0x4b0074, 0x740074, 0x740045,
/* 40-51 */ 0xb50000, 0xb56300, 0xb5b500, 0x7db500, 0x00b500, 0x00b571, 0x00b5b5, 0x0063b5, 0x0000b5, 0x7500b5, 0xb500b5, 0xb5006b,
/* 52-63 */ 0xff0000, 0xff8c00, 0xffff00, 0xb2ff00, 0x00ff00, 0x00ffa0, 0x00ffff, 0x008cff, 0x0000ff, 0xa500ff, 0xff00ff, 0xff0098,
/* 64-75 */ 0xff5959, 0xffb459, 0xffff71, 0xcfff60, 0x6fff6f, 0x65ffc9, 0x6dffff, 0x59b4ff, 0x5959ff, 0xc459ff, 0xff66ff, 0xff59bc,
/* 76-87 */ 0xff9c9c, 0xffd39c, 0xffff9c, 0xe2ff9c, 0x9cff9c, 0x9cffdb, 0x9cffff, 0x9cd3ff, 0x9c9cff, 0xdc9cff, 0xff9cff, 0xff94d3,
/* 88-98 */ 0x000000, 0x131313, 0x282828, 0x363636, 0x4d4d4d, 0x656565, 0x818181, 0x9f9f9f, 0xbcbcbc, 0xe2e2e2, 0xffffff, -1 };
static int scrollback_lines, scrollback_time, scrollback_burst_remove;
/*
* If positive, remove lines older than scrollback_max_age seconds.
* Deletion is triggered by the "gui print text finished" signal (i.e. a message
* for the window). Note: "Day changed to" message also cause messages to be
* deleted within 1 day latency.
*/
static int scrollback_max_age;
static int next_xpos, next_ypos;
static GHashTable *indent_functions;
static INDENT_FUNC default_indent_func;
void gui_register_indent_func(const char *name, INDENT_FUNC func)
{
gpointer key, value;
GSList *list;
if (g_hash_table_lookup_extended(indent_functions, name, &key, &value)) {
list = value;
g_hash_table_remove(indent_functions, key);
} else {
key = g_strdup(name);
list = NULL;
}
list = g_slist_append(list, (void *) func);
g_hash_table_insert(indent_functions, key, list);
}
void gui_unregister_indent_func(const char *name, INDENT_FUNC func)
{
gpointer key, value;
GSList *list;
if (g_hash_table_lookup_extended(indent_functions, name, &key, &value)) {
list = value;
list = g_slist_remove(list, (void *) func);
g_hash_table_remove(indent_functions, key);
if (list == NULL)
g_free(key);
else
g_hash_table_insert(indent_functions, key, list);
}
if (default_indent_func == func)
gui_set_default_indent(NULL);
textbuffer_views_unregister_indent_func(func);
}
void gui_set_default_indent(const char *name)
{
GSList *list;
list = name == NULL ? NULL :
g_hash_table_lookup(indent_functions, name);
default_indent_func = list == NULL ? NULL :
(INDENT_FUNC) list->data;
gui_windows_reset_settings();
}
INDENT_FUNC get_default_indent_func(void)
{
return default_indent_func;
}
void gui_printtext(int xpos, int ypos, const char *str)
{
next_xpos = xpos;
next_ypos = ypos;
printtext_gui(str);
next_xpos = next_ypos = -1;
}
void gui_printtext_internal(int xpos, int ypos, const char *str)
{
next_xpos = xpos;
next_ypos = ypos;
printtext_gui_internal(str);
next_xpos = next_ypos = -1;
}
static void view_add_eol(TEXT_BUFFER_VIEW_REC *view, LINE_REC **line);
void gui_printtext_after_time(TEXT_DEST_REC *dest, LINE_REC *prev, const char *str, time_t time)
{
GUI_WINDOW_REC *gui;
gui = WINDOW_GUI(dest->window);
if (prev == NULL && !gui->view->buffer->last_eol) {
/* we have an unfinished line in the buffer still */
view_add_eol(gui->view, &gui->insert_after);
}
gui->use_insert_after = TRUE;
gui->insert_after = prev;
gui->insert_after_time = time;
format_send_to_gui(dest, str);
gui->use_insert_after = FALSE;
signal_emit("gui print text after finished", 3, dest->window, gui->insert_after, prev);
}
void gui_printtext_after(TEXT_DEST_REC *dest, LINE_REC *prev, const char *str)
{
gui_printtext_after_time(dest, prev, str, 0);
}
void gui_printtext_window_border(int x, int y)
{
char *v0, *v1;
int len;
if (current_theme != NULL) {
v1 = theme_format_expand(current_theme, "{window_border} ");
len = format_real_length(v1, 1);
v1[len] = '\0';
}
else {
v1 = g_strdup(" ");
}
if (*v1 == '\0') {
g_free(v1);
v1 = g_strdup(" ");
}
if (clrtoeol_info->color != NULL) {
char *color = g_strdup(clrtoeol_info->color);
len = format_real_length(color, 0);
color[len] = '\0';
v0 = g_strconcat(color, v1, NULL);
g_free(color);
g_free(v1);
} else {
v0 = v1;
}
gui_printtext(x, y, v0);
g_free(v0);
}
static void remove_old_lines(TEXT_BUFFER_VIEW_REC *view)
{
LINE_REC *line;
time_t cur_time = time(NULL);
time_t old_time;
old_time = cur_time - scrollback_time + 1;
if (view->buffer->lines_count >=
scrollback_lines+scrollback_burst_remove) {
/* remove lines by line count */
while (view->buffer->lines_count > scrollback_lines) {
line = view->buffer->first_line;
if (line->info.time >= old_time ||
scrollback_lines == 0) {
/* too new line, don't remove yet - also
if scrollback_lines is 0, we want to check
only scrollback_time setting. */
break;
}
textbuffer_view_remove_line(view, line);
}
}
if (scrollback_max_age > 0) {
old_time = cur_time - scrollback_max_age;
while (view->buffer->lines_count > 0) {
line = view->buffer->first_line;
if (line->info.time >= old_time) {
/*
* The first line is newer than the threshold
* time -> no need to remove more lines.
*/
break;
}
textbuffer_view_remove_line(view, line);
}
}
}
static void get_colors(int *flags, int *fg, int *bg, int *attr)
{
*attr = 0;
if (*flags & GUI_PRINT_FLAG_MIRC_COLOR) {
/* mirc colors - extended colours proposal */
gboolean use_24_map = FALSE;
#ifdef TERM_TRUECOLOR
use_24_map = settings_get_bool("colors_ansi_24bit");
#endif
if (*bg >= 0) {
if (use_24_map && mirc_colors24[*bg % 100] != -1) {
*bg = mirc_colors24[*bg % 100];
*flags |= GUI_PRINT_FLAG_COLOR_24_BG;
} else {
*bg = mirc_colors[*bg % 100];
*flags &= ~GUI_PRINT_FLAG_COLOR_24_BG;
/* ignore mirc color 99 = -1 (reset) */
if (*bg != -1 && settings_get_bool("mirc_blink_fix")) {
if (*bg < 16) /* ansi bit flip :-( */
*bg = (*bg&8) | (*bg&4)>>2 | (*bg&2) | (*bg&1)<<2;
*bg = term_color256map[*bg&0xff] & 7;
}
}
}
if (*fg >= 0) {
if (use_24_map && mirc_colors24[*fg % 100] != -1) {
*fg = mirc_colors24[*fg % 100];
*flags |= GUI_PRINT_FLAG_COLOR_24_FG;
} else {
*fg = mirc_colors[*fg % 100];
*flags &= ~GUI_PRINT_FLAG_COLOR_24_FG;
}
}
}
if (*flags & GUI_PRINT_FLAG_COLOR_24_FG)
*attr |= ATTR_FGCOLOR24;
else if (*fg < 0 || *fg > 255) {
*fg = -1;
*attr |= ATTR_RESETFG;
}
else
*attr |= *fg;
if (*flags & GUI_PRINT_FLAG_COLOR_24_BG)
*attr |= ATTR_BGCOLOR24;
else if (*bg < 0 || *bg > 255) {
*bg = -1;
*attr |= ATTR_RESETBG;
}
else
*attr |= (*bg << BG_SHIFT);
if (*flags & GUI_PRINT_FLAG_REVERSE) *attr |= ATTR_REVERSE;
if (*flags & GUI_PRINT_FLAG_ITALIC) *attr |= ATTR_ITALIC;
if (*flags & GUI_PRINT_FLAG_BOLD) *attr |= ATTR_BOLD;
if (*flags & GUI_PRINT_FLAG_UNDERLINE) *attr |= ATTR_UNDERLINE;
if (*flags & GUI_PRINT_FLAG_BLINK) *attr |= ATTR_BLINK;
}
static void view_add_eol(TEXT_BUFFER_VIEW_REC *view, LINE_REC **line)
{
static const unsigned char eol[] = { 0, LINE_CMD_EOL };
*line = textbuffer_insert(view->buffer, *line, eol, 2, NULL);
textbuffer_view_insert_line(view, *line);
}
static void print_text_no_window(int flags, int fg, int bg, int attr, const char *str)
{
g_return_if_fail(next_xpos != -1);
term_set_color2(root_window, attr, fg, bg);
term_move(root_window, next_xpos, next_ypos);
if (flags & GUI_PRINT_FLAG_CLRTOEOL) {
if (clrtoeol_info->window != NULL) {
term_window_clrtoeol_abs(clrtoeol_info->window, next_ypos);
} else {
term_clrtoeol(root_window);
}
}
next_xpos += term_addstr(root_window, str);
}
static void sig_gui_print_text(WINDOW_REC *window, void *fgcolor,
void *bgcolor, void *pflags,
const char *str, TEXT_DEST_REC *dest)
{
GUI_WINDOW_REC *gui;
TEXT_BUFFER_VIEW_REC *view;
LINE_REC *insert_after;
LINE_INFO_REC lineinfo;
int fg, bg, flags, attr;
flags = GPOINTER_TO_INT(pflags);
fg = GPOINTER_TO_INT(fgcolor);
bg = GPOINTER_TO_INT(bgcolor);
get_colors(&flags, &fg, &bg, &attr);
if (window == NULL) {
print_text_no_window(flags, fg, bg, attr, str);
return;
}
lineinfo.level = dest == NULL ? 0 : dest->level;
gui = WINDOW_GUI(window);
lineinfo.time = (gui->use_insert_after && gui->insert_after_time) ?
gui->insert_after_time : time(NULL);
view = gui->view;
insert_after = gui->use_insert_after ?
gui->insert_after : view->buffer->cur_line;
if (flags & GUI_PRINT_FLAG_NEWLINE) {
view_add_eol(view, &insert_after);
}
textbuffer_line_add_colors(view->buffer, &insert_after, fg, bg, flags);
/* for historical reasons, the \n will set
GUI_PRINT_FLAG_NEWLINE and print an empty string. in this
special case, ignore the empty string which would otherwise
start another new line */
if (~flags & GUI_PRINT_FLAG_NEWLINE || *str != '\0') {
insert_after = textbuffer_insert(view->buffer, insert_after, (unsigned char *) str,
strlen(str), &lineinfo);
}
if (gui->use_insert_after)
gui->insert_after = insert_after;
}
static void sig_gui_printtext_finished(WINDOW_REC *window)
{
TEXT_BUFFER_VIEW_REC *view;
LINE_REC *insert_after;
view = WINDOW_GUI(window)->view;
insert_after = WINDOW_GUI(window)->use_insert_after ?
WINDOW_GUI(window)->insert_after : view->buffer->cur_line;
view_add_eol(view, &insert_after);
remove_old_lines(view);
}
static void read_settings(void)
{
scrollback_lines = settings_get_int("scrollback_lines");
scrollback_time = settings_get_time("scrollback_time")/1000;
scrollback_max_age = settings_get_time("scrollback_max_age")/1000;
scrollback_burst_remove = settings_get_int("scrollback_burst_remove");
}
void gui_printtext_init(void)
{
next_xpos = next_ypos = -1;
default_indent_func = NULL;
indent_functions = g_hash_table_new((GHashFunc) g_str_hash,
(GCompareFunc) g_str_equal);
settings_add_int("history", "scrollback_lines", 500);
settings_add_time("history", "scrollback_time", "1day");
settings_add_time("history", "scrollback_max_age", "0");
settings_add_int("history", "scrollback_burst_remove", 10);
signal_add("gui print text", (SIGNAL_FUNC) sig_gui_print_text);
signal_add("gui print text finished", (SIGNAL_FUNC) sig_gui_printtext_finished);
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
read_settings();
}
void gui_printtext_deinit(void)
{
g_hash_table_destroy(indent_functions);
signal_remove("gui print text", (SIGNAL_FUNC) sig_gui_print_text);
signal_remove("gui print text finished", (SIGNAL_FUNC) sig_gui_printtext_finished);
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
}
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