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-rw-r--r--src/fe-text/term-terminfo.c296
1 files changed, 296 insertions, 0 deletions
diff --git a/src/fe-text/term-terminfo.c b/src/fe-text/term-terminfo.c
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+++ b/src/fe-text/term-terminfo.c
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+/*
+ term-terminfo.c : irssi
+
+ Copyright (C) 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 "term.h"
+#include "terminfo-core.h"
+
+#include <signal.h>
+
+struct _TERM_WINDOW {
+ /* Terminal to use for window */
+ TERM_REC *term;
+
+ /* Area for window in terminal */
+ int x, y;
+ int width, height;
+};
+
+TERM_WINDOW *root_window;
+int term_width, term_height;
+
+static int curs_x, curs_y;
+static int last_fg, last_bg, last_attrs;
+static int redraw_needed, redraw_tag;
+
+/* SIGCONT handler */
+static void sig_cont(int p)
+{
+ redraw_needed = TRUE;
+ terminfo_cont(current_term);
+}
+
+static int redraw_timeout(void)
+{
+ if (redraw_needed) {
+ irssi_redraw();
+ redraw_needed = FALSE;
+ }
+
+ return 1;
+}
+
+int term_init(void)
+{
+ struct sigaction act;
+
+ last_fg = last_bg = -1;
+ last_attrs = 0;
+
+ current_term = terminfo_core_init(stdin, stdout);
+ if (current_term == NULL)
+ return FALSE;
+
+ /* grab CONT signal */
+ sigemptyset(&act.sa_mask);
+ act.sa_flags = 0;
+ act.sa_handler = sig_cont;
+ sigaction(SIGCONT, &act, NULL);
+ redraw_tag = g_timeout_add(500, (GSourceFunc) redraw_timeout, NULL);
+
+ curs_x = curs_y = 0;
+ term_width = current_term->width;
+ term_height = current_term->height;
+ root_window = term_window_create(0, 0, term_width, term_height);
+
+ term_common_init();
+ return TRUE;
+}
+
+void term_deinit(void)
+{
+ g_source_remove(redraw_tag);
+
+ term_common_deinit();
+ terminfo_core_deinit(current_term);
+}
+
+/* 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)
+{
+ if (width < 0 || height < 0) {
+ terminfo_resize(current_term);
+ width = current_term->width;
+ height = current_term->height;
+ }
+
+ if (term_width != width || term_height != height) {
+ term_width = current_term->width = width;
+ term_height = current_term->height = height;
+ term_window_move(root_window, 0, 0, term_width, term_height);
+ }
+}
+
+/* Returns TRUE if terminal has colors */
+int term_has_colors(void)
+{
+ return terminfo_has_colors(current_term);
+}
+
+/* Force the colors on any way you can */
+void term_force_colors(int set)
+{
+ terminfo_setup_colors(current_term, set);
+}
+
+/* Clear screen */
+void term_clear(void)
+{
+ terminfo_clear();
+}
+
+/* Beep */
+void term_beep(void)
+{
+ /* FIXME */
+}
+
+/* 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->term = current_term;
+ window->x = x; window->y = y;
+ window->width = width; window->height = height;
+ return window;
+}
+
+/* Destroy a terminal window */
+void term_window_destroy(TERM_WINDOW *window)
+{
+ g_free(window);
+}
+
+/* Move/resize a window */
+void term_window_move(TERM_WINDOW *window, int x, int y,
+ int width, int height)
+{
+ window->x = x;
+ window->y = y;
+ window->width = width;
+ window->height = height;
+}
+
+/* Clear window */
+void term_window_clear(TERM_WINDOW *window)
+{
+ int y;
+
+ terminfo_set_normal();
+ for (y = 0; y < window->height; y++) {
+ terminfo_move(0, window->y+y);
+ terminfo_clrtoeol();
+ }
+}
+
+/* Scroll window up/down */
+void term_window_scroll(TERM_WINDOW *window, int count)
+{
+ terminfo_scroll(window->y, window->y+window->height-1, count);
+}
+
+/* Change active color */
+void term_set_color(TERM_WINDOW *window, int col)
+{
+ int set_normal;
+
+ set_normal = ((col & ATTR_RESETFG) && last_fg != -1) ||
+ ((col & ATTR_RESETBG) && last_bg != -1);
+ if (((last_attrs & ATTR_BOLD) && (col & ATTR_BOLD) == 0) ||
+ ((last_attrs & ATTR_BLINK) && (col & ATTR_BLINK) == 0)) {
+ /* we'll need to get rid of bold/blink - this can only be
+ done with setting the default color */
+ set_normal = TRUE;
+ }
+
+ if (set_normal) {
+ last_fg = last_bg = -1;
+ last_attrs = 0;
+ terminfo_set_normal();
+ }
+
+ /* reversed text (use standout) */
+ if (col & ATTR_REVERSE) {
+ if ((last_attrs & ATTR_REVERSE) == 0)
+ terminfo_set_standout(TRUE);
+ } else if (last_attrs & ATTR_REVERSE)
+ terminfo_set_standout(FALSE);
+
+ /* set foreground color */
+ if ((col & 0x0f) != last_fg &&
+ ((col & 0x0f) != 0 || (col & ATTR_RESETFG) == 0)) {
+ last_fg = col & 0x0f;
+ terminfo_set_fg(last_fg);
+ }
+
+ /* set background color */
+ if (col & ATTR_BLINK)
+ col |= 0x80;
+ else if (col & 0x80)
+ col |= ATTR_BLINK;
+
+ if ((col & 0xf0) >> 4 != last_bg &&
+ ((col & 0xf0) != 0 || (col & ATTR_RESETBG) == 0)) {
+ last_bg = (col & 0xf0) >> 4;
+ terminfo_set_bg(last_bg);
+ }
+
+ /* bold */
+ if (col & 0x08)
+ col |= ATTR_BOLD;
+ else if (col & ATTR_BOLD)
+ terminfo_set_bold();
+
+ /* underline */
+ if (col & ATTR_UNDERLINE) {
+ if ((last_attrs & ATTR_UNDERLINE) == 0)
+ terminfo_set_uline(TRUE);
+ } else if (last_attrs & ATTR_UNDERLINE)
+ terminfo_set_uline(FALSE);
+
+ last_attrs = col & ~0xff;
+}
+
+void term_move(TERM_WINDOW *window, int x, int y)
+{
+ terminfo_move(x+window->x, y+window->y);
+}
+
+void term_addch(TERM_WINDOW *window, int chr)
+{
+ putc(chr, window->term->out);
+}
+
+void term_addstr(TERM_WINDOW *window, char *str)
+{
+ fputs(str, window->term->out);
+}
+
+void term_clrtoeol(TERM_WINDOW *window)
+{
+ terminfo_clrtoeol();
+}
+
+void term_move_cursor(int x, int y)
+{
+ curs_x = x;
+ curs_y = y;
+}
+
+void term_refresh(TERM_WINDOW *window)
+{
+ terminfo_move(curs_x, curs_y);
+ fflush(window != NULL ? window->term->out : current_term->out);
+}
+
+void term_refresh_freeze(void)
+{
+}
+
+void term_refresh_thaw(void)
+{
+}
+
+void term_stop(void)
+{
+ terminfo_stop(current_term);
+ kill(getpid(), SIGSTOP);
+ terminfo_cont(current_term);
+ irssi_redraw();
+}
+
+int term_getch(void)
+{
+ return fgetc(current_term->in);
+}
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