Add basic screen layout stuff

[lackey] / src / main.c

diff --git a/src/main.c b/src/main.c
index 1329eca482b5553b5c0c0f078b6439e52e67cf6d..41e1c81c180cf62c047d7bf87a93df0a6856f3b4 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1,12 +1,99 @@
+#define _POSIX_C_SOURCE 1
+#include <stdarg.h>
+#include <stdlib.h>
+#include <signal.h>
 #include <ncurses.h>
 
-int main(int argc, char **argv)
+#include "main.h"
+#include "screen.h"
+
+/* Global data */
+int win_rows = 0;
+int win_cols = 0;
+
+/* Static data */
+static WINDOW *win = NULL;
+static FILE *debug_fd = NULL;
+
+/* Control-C handler, so we don't hose the therminal */
+static void on_sigint(int signum)
 {
-       initscr();
-       printw("hello, world");
-       refresh();
-       getch();
        endwin();
+       debug("got sigint\n");
+       exit(0);
+}
 
+/* Window change */
+static void update(void)
+{
+       getmaxyx(win, win_rows, win_cols);
+       win_rows++;
+       win_cols++;
+       screen_draw();
+}
+
+/* Window change */
+static void on_sigwinch(int signum)
+{
+       endwin();
+       refresh();
+       update();
+}
+
+/* Debugging functions */
+int debug(char *fmt, ...)
+{
+       int rval;
+       va_list ap;
+       va_start(ap, fmt);
+       vfprintf(debug_fd, "debug: ", ap);
+       rval = vfprintf(debug_fd, fmt, ap);
+       va_end(ap);
+       return rval;
+}
+
+/* Main */
+int main(int argc, char **argv)
+{
+       /* Misc setup */
+       debug_fd = fopen("acal.log", "w+");
+       struct sigaction act;
+       sigemptyset(&act.sa_mask);
+       act.sa_flags   = 0;
+       act.sa_handler = on_sigint;
+       if (sigaction(SIGINT, &act, NULL) < 0)
+               debug("sigint error\n");
+       act.sa_handler = on_sigwinch;
+       if (sigaction(SIGWINCH, &act, NULL) < 0)
+               debug("sigwinch error\n");
+
+       /* Curses setup */
+       win = initscr();
+       cbreak();
+       noecho();
+       start_color();
+       curs_set(false);
+       screen_init();
+
+       /* Run */
+       while (1) {
+               int chr = getch();
+               if (chr == 'q')
+                       break;
+               switch (chr) {
+                       case 'L':
+                               clear();
+                       case 'l':
+                               update();
+                               break;
+                       default:
+                               screen_run(chr);
+                               break;
+               }
+       }
+
+       /* Cleanup, see also on_sigint */
+       endwin();
+       debug("cleanup");
        return 0;
 }