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gui-printtext.c : irssi
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Copyright (C) 1999 Timo Sirainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "printtext.h"
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#include "gui-printtext.h"
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#include "gui-windows.h"
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int mirc_colors[] = { 15, 0, 1, 2, 12, 4, 5, 6, 14, 10, 3, 11, 9, 13, 8, 7 };
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static int scrollback_lines, scrollback_time, scrollback_burst_remove;
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static int last_fg, last_bg, last_flags;
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static int next_xpos, next_ypos;
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static GHashTable *indent_functions;
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static INDENT_FUNC default_indent_func;
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void gui_register_indent_func(const char *name, INDENT_FUNC func)
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if (g_hash_table_lookup_extended(indent_functions, name, &key, &value)) {
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g_hash_table_remove(indent_functions, key);
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list = g_slist_append(list, (void *) func);
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g_hash_table_insert(indent_functions, key, list);
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void gui_unregister_indent_func(const char *name, INDENT_FUNC func)
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if (g_hash_table_lookup_extended(indent_functions, name, &key, &value)) {
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list = g_slist_remove(list, (void *) func);
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g_hash_table_remove(indent_functions, key);
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g_hash_table_insert(indent_functions, key, list);
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if (default_indent_func == func)
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gui_set_default_indent(NULL);
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textbuffer_views_unregister_indent_func(func);
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void gui_set_default_indent(const char *name)
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list = name == NULL ? NULL :
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g_hash_table_lookup(indent_functions, name);
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default_indent_func = list == NULL ? NULL :
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(INDENT_FUNC) list->data;
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gui_windows_reset_settings();
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INDENT_FUNC get_default_indent_func(void)
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return default_indent_func;
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void gui_printtext(int xpos, int ypos, const char *str)
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next_xpos = next_ypos = -1;
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void gui_printtext_after(TEXT_DEST_REC *dest, LINE_REC *prev, const char *str)
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gui = WINDOW_GUI(dest->window);
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gui->use_insert_after = TRUE;
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gui->insert_after = prev;
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format_send_to_gui(dest, str);
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gui->use_insert_after = FALSE;
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static void remove_old_lines(TEXT_BUFFER_VIEW_REC *view)
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old_time = time(NULL)-scrollback_time+1;
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if (view->buffer->lines_count >=
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scrollback_lines+scrollback_burst_remove) {
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/* remove lines by line count */
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while (view->buffer->lines_count > scrollback_lines) {
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line = view->buffer->first_line;
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if (line->info.time >= old_time ||
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scrollback_lines == 0) {
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/* too new line, don't remove yet - also
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if scrollback_lines is 0, we want to check
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only scrollback_time setting. */
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textbuffer_view_remove_line(view, line);
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static void get_colors(int flags, int *fg, int *bg, int *attr)
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if (flags & GUI_PRINT_FLAG_MIRC_COLOR) {
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/* mirc colors - real range is 0..15, but after 16
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colors wrap to 0, 1, ... */
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if (*bg >= 0) *bg = mirc_colors[*bg % 16];
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if (*fg >= 0) *fg = mirc_colors[*fg % 16];
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if (settings_get_bool("mirc_blink_fix"))
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if (*fg < 0 || *fg > 15)
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if (*bg < 0 || *bg > 15)
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if (flags & GUI_PRINT_FLAG_REVERSE) *attr |= ATTR_REVERSE;
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if (flags & GUI_PRINT_FLAG_BOLD) *attr |= ATTR_BOLD;
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if (flags & GUI_PRINT_FLAG_UNDERLINE) *attr |= ATTR_UNDERLINE;
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if (flags & GUI_PRINT_FLAG_BLINK) *attr |= ATTR_BLINK;
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static void line_add_colors(TEXT_BUFFER_REC *buffer, LINE_REC **line,
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int fg, int bg, int flags)
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unsigned char data[20];
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/* get the fg & bg command chars */
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fg = fg < 0 ? LINE_COLOR_DEFAULT : fg & 0x0f;
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bg = LINE_COLOR_BG | (bg < 0 ? LINE_COLOR_DEFAULT : bg & 0x0f);
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if (flags & GUI_PRINT_FLAG_BOLD)
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fg |= LINE_COLOR_BOLD;
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if (flags & GUI_PRINT_FLAG_BLINK)
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bg |= LINE_COLOR_BLINK;
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data[pos++] = fg == 0 ? LINE_CMD_COLOR0 : fg;
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if ((flags & GUI_PRINT_FLAG_UNDERLINE) != (last_flags & GUI_PRINT_FLAG_UNDERLINE)) {
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data[pos++] = LINE_CMD_UNDERLINE;
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if ((flags & GUI_PRINT_FLAG_REVERSE) != (last_flags & GUI_PRINT_FLAG_REVERSE)) {
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data[pos++] = LINE_CMD_REVERSE;
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if (flags & GUI_PRINT_FLAG_INDENT) {
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data[pos++] = LINE_CMD_INDENT;
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*line = textbuffer_insert(buffer, *line, data, pos, NULL);
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static void line_add_indent_func(TEXT_BUFFER_REC *buffer, LINE_REC **line,
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const char *function)
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unsigned char data[1+sizeof(INDENT_FUNC)];
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list = g_hash_table_lookup(indent_functions, function);
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data[0] = LINE_CMD_INDENT_FUNC;
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memcpy(data+1, list->data, sizeof(INDENT_FUNC));
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*line = textbuffer_insert(buffer, *line,
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data, sizeof(data), NULL);
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static void view_add_eol(TEXT_BUFFER_VIEW_REC *view, LINE_REC **line)
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static const unsigned char eol[] = { 0, LINE_CMD_EOL };
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*line = textbuffer_insert(view->buffer, *line, eol, 2, NULL);
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textbuffer_view_insert_line(view, *line);
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static void sig_gui_print_text(WINDOW_REC *window, void *fgcolor,
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void *bgcolor, void *pflags,
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char *str, TEXT_DEST_REC *dest)
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TEXT_BUFFER_VIEW_REC *view;
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LINE_REC *insert_after;
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LINE_INFO_REC lineinfo;
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int fg, bg, flags, attr;
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flags = GPOINTER_TO_INT(pflags);
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fg = GPOINTER_TO_INT(fgcolor);
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bg = GPOINTER_TO_INT(bgcolor);
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get_colors(flags, &fg, &bg, &attr);
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if (window == NULL) {
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g_return_if_fail(next_xpos != -1);
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attr |= fg >= 0 ? fg : ATTR_RESETFG;
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attr |= bg >= 0 ? (bg << 4) : ATTR_RESETBG;
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term_set_color(root_window, attr);
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term_move(root_window, next_xpos, next_ypos);
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if (flags & GUI_PRINT_FLAG_CLRTOEOL)
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term_clrtoeol(root_window);
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term_addstr(root_window, str);
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next_xpos += strlen(str); /* FIXME utf8 or big5 */
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lineinfo.level = dest == NULL ? 0 : dest->level;
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lineinfo.time = time(NULL);
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gui = WINDOW_GUI(window);
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insert_after = gui->use_insert_after ?
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gui->insert_after : view->buffer->cur_line;
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if (flags & GUI_PRINT_FLAG_NEWLINE)
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view_add_eol(view, &insert_after);
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line_add_colors(view->buffer, &insert_after, fg, bg, flags);
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if (flags & GUI_PRINT_FLAG_INDENT_FUNC) {
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/* specify the indentation function */
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line_add_indent_func(view->buffer, &insert_after, str);
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insert_after = textbuffer_insert(view->buffer, insert_after,
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(unsigned char *) str,
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strlen(str), &lineinfo);
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if (gui->use_insert_after)
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gui->insert_after = insert_after;
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static void sig_gui_printtext_finished(WINDOW_REC *window)
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TEXT_BUFFER_VIEW_REC *view;
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LINE_REC *insert_after;
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last_fg = last_bg = -1;
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view = WINDOW_GUI(window)->view;
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insert_after = WINDOW_GUI(window)->use_insert_after ?
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WINDOW_GUI(window)->insert_after : view->buffer->cur_line;
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view_add_eol(view, &insert_after);
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remove_old_lines(view);
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static void read_settings(void)
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scrollback_lines = settings_get_int("scrollback_lines");
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scrollback_time = settings_get_time("scrollback_time")/1000;
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scrollback_burst_remove = settings_get_int("scrollback_burst_remove");
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void gui_printtext_init(void)
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next_xpos = next_ypos = -1;
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default_indent_func = NULL;
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indent_functions = g_hash_table_new((GHashFunc) g_str_hash,
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(GCompareFunc) g_str_equal);
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settings_add_int("history", "scrollback_lines", 500);
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settings_add_time("history", "scrollback_time", "1day");
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settings_add_int("history", "scrollback_burst_remove", 10);
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signal_add("gui print text", (SIGNAL_FUNC) sig_gui_print_text);
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signal_add("gui print text finished", (SIGNAL_FUNC) sig_gui_printtext_finished);
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signal_add("setup changed", (SIGNAL_FUNC) read_settings);
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void gui_printtext_deinit(void)
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g_hash_table_destroy(indent_functions);
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signal_remove("gui print text", (SIGNAL_FUNC) sig_gui_print_text);
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signal_remove("gui print text finished", (SIGNAL_FUNC) sig_gui_printtext_finished);
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signal_remove("setup changed", (SIGNAL_FUNC) read_settings);