+++ /dev/null
-/*
- term-curses.c : irssi
-
- 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 "settings.h"
-
-#include "term.h"
-#include "mainwindows.h"
-#ifdef HAVE_CUIX
-#include "cuix.h"
-#endif
-
-#include "term-curses.h"
-
-#include <termios.h>
-#include <signal.h>
-
-#ifndef COLOR_PAIRS
-# define COLOR_PAIRS 64
-#endif
-
-#if defined (TIOCGWINSZ) && defined (HAVE_CURSES_RESIZETERM)
-# define USE_RESIZE_TERM
-#endif
-
-#ifndef _POSIX_VDISABLE
-# define _POSIX_VDISABLE 0
-#endif
-
-TERM_WINDOW *root_window;
-
-static int curs_x, curs_y;
-static int freeze_refresh;
-static struct termios old_tio;
-
-static int init_curses(void)
-{
- char ansi_tab[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
- int num;
- struct termios tio;
-
- if (!initscr())
- return FALSE;
-
- cbreak(); noecho(); idlok(stdscr, 1);
-#ifdef HAVE_CURSES_IDCOK
- /*idcok(stdscr, 1); - disabled currently, causes redrawing problems with NetBSD */
-#endif
- intrflush(stdscr, FALSE); nodelay(stdscr, TRUE);
-
- /* Disable INTR, QUIT, VDSUSP and SUSP keys */
- if (tcgetattr(0, &old_tio) == 0) {
- memcpy(&tio, &old_tio, sizeof(tio));
- tio.c_cc[VINTR] = _POSIX_VDISABLE;
- tio.c_cc[VQUIT] = _POSIX_VDISABLE;
-#ifdef VDSUSP
- tio.c_cc[VDSUSP] = _POSIX_VDISABLE;
-#endif
-#ifdef VSUSP
- tio.c_cc[VSUSP] = _POSIX_VDISABLE;
-#endif
- tcsetattr(0, TCSADRAIN, &tio);
- }
-
- if (has_colors())
- start_color();
- else if (term_use_colors)
- term_use_colors = FALSE;
-
-#ifdef HAVE_NCURSES_USE_DEFAULT_COLORS
- /* this lets us to use the "default" background color for colors <= 7 so
- background pixmaps etc. show up right */
- use_default_colors();
-
- for (num = 1; num < COLOR_PAIRS; num++)
- init_pair(num, ansi_tab[num & 7], num <= 7 ? -1 : ansi_tab[num >> 3]);
-
- init_pair(63, 0, -1); /* hm.. not THAT good idea, but probably more
- people want dark grey than white on white.. */
-#else
- for (num = 1; num < COLOR_PAIRS; num++)
- init_pair(num, ansi_tab[num & 7], ansi_tab[num >> 3]);
- init_pair(63, 0, 0);
-#endif
-
- clear();
- return TRUE;
-}
-
-static int term_init_int(void)
-{
- int ret;
-
- ret = init_curses();
- if (!ret) return 0;
-
- curs_x = curs_y = 0;
- freeze_refresh = 0;
-
- root_window = g_new0(TERM_WINDOW, 1);
- root_window->win = stdscr;
-
- term_width = COLS;
- term_height = LINES;
- return ret;
-}
-
-static void term_deinit_int(void)
-{
- tcsetattr(0, TCSADRAIN, &old_tio);
-
- endwin();
- g_free_and_null(root_window);
-}
-
-int term_init(void)
-{
- if (!term_init_int())
- return FALSE;
-
- settings_add_int("lookandfeel", "default_color", 7);
- term_common_init();
- return TRUE;
-}
-
-void term_deinit(void)
-{
- term_common_deinit();
- term_deinit_int();
-}
-
-/* Resize terminal - if width or height is negative,
- the new size is unknown and should be figured out somehow */
-void term_resize(int width, int height)
-{
-#ifdef HAVE_CURSES_RESIZETERM
- if (width < 0 || height < 0) {
-#endif
- term_deinit_int();
- term_init_int();
-#ifdef HAVE_CURSES_RESIZETERM
- } else if (term_width != width || term_height != height) {
- term_width = width;
- term_height = height;
- resizeterm(term_height, term_width);
- }
-#endif
-}
-
-void term_resize_final(int width, int height)
-{
-#ifdef HAVE_CURSES_RESIZETERM
- if (width < 0 || height < 0)
- mainwindows_recreate();
-#else
- mainwindows_recreate();
-#endif
-}
-
-/* Returns TRUE if terminal has colors */
-int term_has_colors(void)
-{
- return has_colors();
-}
-
-/* Force the colors on any way you can */
-void term_force_colors(int set)
-{
- /* don't do anything with curses */
-}
-
-/* Clear screen */
-void term_clear(void)
-{
- term_set_color(root_window, 0);
- clear();
-}
-
-/* Beep */
-void term_beep(void)
-{
- beep();
-}
-
-/* Create a new window in terminal */
-TERM_WINDOW *term_window_create(int x, int y, int width, int height)
-{
- TERM_WINDOW *window;
-
- window = g_new0(TERM_WINDOW, 1);
- window->x = x; window->y = y;
- window->width = width; window->height = height;
- window->win = newwin(height, width, y, x);
- if (window->win == NULL)
- g_error("newwin() failed: %d,%d %d,%d", x, y, width, height);
- idlok(window->win, 1);
-
- return window;
-}
-
-/* Destroy a terminal window */
-void term_window_destroy(TERM_WINDOW *window)
-{
- delwin(window->win);
- g_free(window);
-}
-
-/* Move/resize a window */
-void term_window_move(TERM_WINDOW *window, int x, int y,
- int width, int height)
-{
- /* some checks to make sure the window is visible in screen,
- otherwise curses could get nasty and not show our window anymore. */
- if (width < 1) width = 1;
- if (height < 1) height = 1;
- if (x+width > term_width) x = term_width-width;
- if (y+height > term_height) y = term_height-height;
-
-#ifdef HAVE_CURSES_WRESIZE
- if (window->width != width || window->height != height)
- wresize(window->win, height, width);
- if (window->x != x || window->y != y)
- mvwin(window->win, y, x);
-#else
- if (window->width != width || window->height != height ||
- window->x != x || window->y != y) {
- delwin(window->win);
- window->win = newwin(height, width, y, x);
- idlok(window->win, 1);
- }
-#endif
- window->x = x; window->y = y;
- window->width = width; window->height = height;
-}
-
-/* Clear window */
-void term_window_clear(TERM_WINDOW *window)
-{
- werase(window->win);
-}
-
-/* Scroll window up/down */
-void term_window_scroll(TERM_WINDOW *window, int count)
-{
- scrollok(window->win, TRUE);
- wscrl(window->win, count);
- scrollok(window->win, FALSE);
-}
-
-static int get_attr(int color)
-{
- int attr;
-
- if (!term_use_colors)
- attr = (color & 0x70) ? A_REVERSE : 0;
- else if ((color & 0xff) == 8 || (color & (0xff | ATTR_RESETFG)) == 0)
- attr = COLOR_PAIR(63);
- else if ((color & 0x77) == 0)
- attr = A_NORMAL;
- else {
- if (color & ATTR_RESETFG) {
- color &= ~0x0f;
- color |= settings_get_int("default_color");
- }
- attr = COLOR_PAIR((color&7) | ((color&0x70)>>1));
- }
-
- if ((color & 0x08) || (color & ATTR_BOLD)) attr |= A_BOLD;
- if (color & ATTR_BLINK) attr |= A_BLINK;
-
- if (color & ATTR_UNDERLINE) attr |= A_UNDERLINE;
- if (color & ATTR_REVERSE) attr |= A_REVERSE;
- return attr;
-}
-
-/* Change active color */
-void term_set_color(TERM_WINDOW *window, int col)
-{
- wattrset(window->win, get_attr(col));
- wbkgdset(window->win, ' ' | get_attr(col));
-}
-
-void term_move(TERM_WINDOW *window, int x, int y)
-{
- wmove(window->win, y, x);
-}
-
-void term_addch(TERM_WINDOW *window, int chr)
-{
- waddch(window->win, chr);
-}
-
-void term_add_unichar(TERM_WINDOW *window, unichar chr)
-{
-#ifdef WIDEC_CURSES
- cchar_t wch;
- wchar_t temp[2];
- temp[0] = chr;
- temp[1] = 0;
- if (setcchar(&wch, temp, A_NORMAL, 0, NULL) == OK)
- wadd_wch(window->win, &wch);
- else
-#endif
- waddch(window->win, chr);
-}
-
-void term_addstr(TERM_WINDOW *window, const char *str)
-{
- waddstr(window->win, (const char *) str);
-}
-
-void term_clrtoeol(TERM_WINDOW *window)
-{
- wclrtoeol(window->win);
-}
-
-void term_move_cursor(int x, int y)
-{
- curs_x = x;
- curs_y = y;
-}
-
-void term_refresh_freeze(void)
-{
- freeze_refresh++;
-}
-
-void term_refresh_thaw(void)
-{
- if (freeze_refresh > 0) {
- freeze_refresh--;
- if (freeze_refresh == 0) term_refresh(NULL);
- }
-}
-
-void term_refresh(TERM_WINDOW *window)
-{
-#ifdef HAVE_CUIX
- if (!cuix_active) {
-#endif
- if (window != NULL)
- wnoutrefresh(window->win);
-
- if (freeze_refresh == 0) {
- move(curs_y, curs_x);
- wnoutrefresh(stdscr);
-#ifdef HAVE_CUIX
- cuix_refresh ();
-#endif
- doupdate();
- }
-#ifdef HAVE_CUIX
- } else {
- update_panels ();
- doupdate ();
- }
-#endif
-}
-
-void term_stop(void)
-{
- term_deinit_int();
- kill(getpid(), SIGTSTP);
- term_init_int();
- irssi_redraw();
-}
-
-void term_auto_detach(int set)
-{
-}
-
-void term_set_input_type(int type)
-{
-}
-
-int term_gets(unichar *buffer, int size)
-{
- int count;
-#ifdef WIDEC_CURSES
- wint_t key;
-#else
- int key;
-#endif
-
- for (count = 0; count < size; ) {
-#ifdef WIDEC_CURSES
- if (get_wch(&key) == ERR)
-#else
- if ((key = getch()) == ERR)
-#endif
- break;
-#ifdef KEY_RESIZE
- if (key == KEY_RESIZE)
- continue;
-#endif
-
- buffer[count++] = key;
- }
-
- return count;
-}
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