beginnings of a lua interface

1 files changed, 90 insertions, 0 deletions

diff --git a/src/curses.c b/src/curses.c
new file mode 100644
index 0000000..ff90ef5
--- /dev/null
+++ b/src/curses.c
@@ -0,0 +1,90 @@
+#include <curses.h>
+#include <lua.h>
+
+/* necessary because atexit() expects a function that returns void, and gcc
+ * whines otherwise */
+static void _endwin(void)
+{
+    endwin();
+}
+
+static int l_initialize(lua_State* L)
+{
+    int ret;
+
+    /* XXX: do we want to do this? how important is cleaning up? */
+    signal(SIGTERM, exit);
+    atexit(_endwin);
+    ret = initscr();
+    if (has_colors()) {
+        start_color();
+    }
+
+    lua_pushboolean(L, ret == OK);
+    return 1;
+}
+
+static int l_initscr(lua_State* L)
+{
+    lua_pushboolean(L, initscr() == OK);
+    return 1;
+}
+
+static int l_setup_term(lua_State* L)
+{
+    int ret = 0;
+
+    luaL_checktype(L, 1, LUA_TTABLE);
+    lua_pushnil(L);
+    while (lua_next(L, t) != 0) {
+        if (lua_isstring(L, -2)) {
+            char* str;
+
+            str = lua_tostring(L, -2);
+            /* XXX: this certainly needs expansion */
+            if (!strcmp(str, "nl")) {
+                ret += ((lua_toboolean(L, -1) ? nl() : nonl()) == OK);
+            }
+            else if (!strcmp(str, "cbreak")) {
+                ret += ((lua_toboolean(L, -1) ? cbreak() : nocbreak()) == OK);
+            }
+            else if (!strcmp(str, "echo")) {
+                ret += ((lua_toboolean(L, -1) ? echo() : noecho()) == OK);
+            }
+            else if (!strcmp(str, "keypad")) {
+                ret += ((keypad(stdscr, lua_toboolean(L, -1))) == OK);
+            }
+            else {
+                luaL_error(L, "Unknown or unimplemented terminal mode %s", str);
+            }
+        }
+        lua_pop(L, 1);
+    }
+
+    lua_pushnumber(L, ret);
+    return 1;
+}
+
+static int l_init_pair(lua_State* L)
+{
+}
+
+static int l_getch(lua_State* L)
+{
+}
+
+static int l_move(lua_State* L)
+{
+}
+
+static int l_addch(lua_State* L)
+{
+}
+
+static int l_refresh(lua_State* L)
+{
+}
+
+int luaopen_ncurses(lua_State* L)
+{
+}