* and lets the user interact with it.
*
* To compile:
- * gcc -o boxshell boxshell.c $(rote-config --cflags --libs)
+ * gcc -o boxshell boxshell.c $(pkg-config madtty --cflags --libs)
*/
#include <ncurses.h>
#include <stdio.h>
#include <signal.h>
+#include <string.h>
#include <madtty/madtty.h>
static unsigned char getout = 0;
-void sigchld(int signo) { getout = 1; }
-int my_custom_handler(RoteTerm *rt, const char *es);
-
-int screen_w, screen_h;
-WINDOW *term_win;
-
-int main() {
- RoteTerm *rt;
- int i, j, ch;
-
- signal(SIGCHLD, sigchld);
-
- initscr();
- noecho();
- start_color();
- raw();
- nodelay(stdscr, TRUE); /* prevents getch() from blocking; rather
- * it will return ERR when there is no
- * keypress available */
-
- keypad(stdscr, TRUE); /* necessary to use rote_vt_keypress */
- getmaxyx(stdscr, screen_h, screen_w);
-
- /* initialize the color pairs the way rote_vt_draw expects it. You might
- * initialize them differently, but in that case you would need
- * to supply a custom conversion function for rote_vt_draw to
- * call when setting attributes. The idea of this "default" mapping
- * is to map (fg,bg) to the color pair bg * 8 + 7 - fg. This way,
- * the pair (white,black) ends up mapped to 0, which means that
- * it does not need a color pair (since it is the default). Since
- * there are only 63 available color pairs (and 64 possible fg/bg
- * combinations), we really have to save 1 pair by assigning no pair
- * to the combination white/black. */
- for (i = 0; i < 8; i++) for (j = 0; j < 8; j++)
- if (i != 7 || j != 0)
- init_pair(j*8+7-i, i, j);
-
- /* paint the screen blue */
- attrset(COLOR_PAIR(32));
- for (i = 0; i < screen_h; i++) for (j = 0; j < screen_w; j++) addch(' ');
- refresh();
-
- /* create a window with a frame */
- term_win = newwin(22,72,1,4);
- wattrset(term_win, COLOR_PAIR(7*8+7-0)); /* black over white */
- wborder(term_win, 0, 0, 0, 0, 0, 0, 0, 0);
- mvwprintw(term_win, 0, 27, " Term In a Box ");
- wrefresh(term_win);
-
- /* create the terminal and have it run bash */
- rt = rote_vt_create(20, 70);
- rote_vt_forkpty(rt, "/bin/bash --login");
-
- /* add a sample custom escape sequence handler... say we want to handle
- * the sequence, say, \e{N}, which will change the application's background
- * color to N (where N is a number between 0 and 7). */
- rote_vt_install_handler(rt, my_custom_handler);
-
- /* keep reading keypresses from the user and passing them to the terminal;
- * also, redraw the terminal to the window at each iteration */
- ch = '\0';
- while (!getout) {
- rote_vt_draw(rt, term_win, 1, 1, NULL);
- wrefresh(term_win);
-
- ch = getch();
- if (ch != ERR)
- rote_vt_keypress(rt, ch); /* pass the keypress for handling */
- }
-
- endwin();
- return 0;
+static int screen_w, screen_h;
+static WINDOW *term_win;
+
+void sigchld(int signo __attribute__((unused)))
+{
+ getout = 1;
}
+int my_custom_handler(RoteTerm *rt __attribute__((unused)), const char *es)
+{
+ int color;
+ int i, j;
-int my_custom_handler(RoteTerm *rt, const char *es) {
- int color;
- int i, j;
+ /* if the escape sequence does not begin with '{', we give up */
+ if (*es != '{') return ROTE_HANDLERESULT_NOWAY;
- /* if the escape sequence does not begin with '{', we give up */
- if (*es != '{') return ROTE_HANDLERESULT_NOWAY;
+ /* ok, now we know it begins with '{'. Now, if it does not end with '}',
+ * it is not yet complete */
+ if (es[strlen(es)-1] != '}') return ROTE_HANDLERESULT_NOTYET;
- /* ok, now we know it begins with '{'. Now, if it does not end with '}',
- * it is not yet complete */
- if (es[strlen(es)-1] != '}') return ROTE_HANDLERESULT_NOTYET;
+ /* ok, the sequence is complete */
+ color = atoi(es + 1);
+ if (color < 0 || color > 7) return false; /* don't recognize it */
- /* ok, the sequence is complete */
- color = atoi(es + 1);
- if (color < 0 || color > 7) return false; /* don't recognize it */
+ /* paint the background with that color */
+ attrset(COLOR_PAIR(color * 8));
+ move(0, 0);
+ for (i = 0; i < screen_h; i++) for (j = 0; j < screen_w; j++) addch(' ');
+ touchwin(stdscr);
+ refresh();
- /* paint the background with that color */
- attrset(COLOR_PAIR(color * 8));
- move(0, 0);
- for (i = 0; i < screen_h; i++) for (j = 0; j < screen_w; j++) addch(' ');
- touchwin(stdscr);
- refresh();
+ /* touch term_win to force it to do a full redraw next time */
+ touchwin(term_win);
- /* touch term_win to force it to do a full redraw next time */
- touchwin(term_win);
+ /* and redraw the terminal window */
+ wrefresh(term_win);
- /* and redraw the terminal window */
- wrefresh(term_win);
-
- /* escape sequence was handled ok */
- return ROTE_HANDLERESULT_OK;
+ /* escape sequence was handled ok */
+ return ROTE_HANDLERESULT_OK;
}
+int main()
+{
+ RoteTerm *rt;
+ int i, j, ch;
+
+ signal(SIGCHLD, sigchld);
+
+ initscr();
+ noecho();
+ start_color();
+ raw();
+ nodelay(stdscr, TRUE); /* prevents getch() from blocking; rather
+ * it will return ERR when there is no
+ * keypress available */
+
+ keypad(stdscr, TRUE); /* necessary to use rote_vt_keypress */
+ getmaxyx(stdscr, screen_h, screen_w);
+
+ /* initialize the color pairs the way rote_vt_draw expects it. You might
+ * initialize them differently, but in that case you would need
+ * to supply a custom conversion function for rote_vt_draw to
+ * call when setting attributes. The idea of this "default" mapping
+ * is to map (fg, bg) to the color pair bg * 8 + 7 - fg. This way,
+ * the pair (white, black) ends up mapped to 0, which means that
+ * it does not need a color pair (since it is the default). Since
+ * there are only 63 available color pairs (and 64 possible fg/bg
+ * combinations), we really have to save 1 pair by assigning no pair
+ * to the combination white/black. */
+ for (i = 0; i < 8; i++) for (j = 0; j < 8; j++)
+ if (i != 7 || j != 0)
+ init_pair(j*8+7-i, i, j);
+
+ /* paint the screen blue */
+ attrset(COLOR_PAIR(32));
+ for (i = 0; i < screen_h; i++) for (j = 0; j < screen_w; j++) addch(' ');
+ refresh();
+
+ /* create a window with a frame */
+ term_win = newwin(50, 82, 2, 4);
+ wattrset(term_win, COLOR_PAIR(7*8+7-0)); /* black over white */
+ wborder(term_win, 0, 0, 0, 0, 0, 0, 0, 0);
+ mvwprintw(term_win, 0, 27, " Term In a Box ");
+ wrefresh(term_win);
+
+ /* create the terminal and have it run bash */
+ rt = rote_vt_create(48, 80);
+ rote_vt_forkpty(rt, "/bin/bash --login");
+
+ /* add a sample custom escape sequence handler... say we want to handle
+ * the sequence, say, \e{N}, which will change the application's background
+ * color to N (where N is a number between 0 and 7). */
+ rote_vt_install_handler(rt, my_custom_handler);
+
+ /* keep reading keypresses from the user and passing them to the terminal;
+ * also, redraw the terminal to the window at each iteration */
+ ch = '\0';
+ while (!getout) {
+ usleep(10000);
+ rote_vt_draw(rt, term_win, 1, 1, NULL);
+ wrefresh(term_win);
+
+ ch = getch();
+ if (ch != ERR)
+ rote_vt_keypress(rt, ch); /* pass the keypress for handling */
+ }
+
+ endwin();
+ return 0;
+}
projects / apps / madtty.git / commitdiff