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#include <ncurses.h>
#include <string.h>
#include "lua.h"
#include "lauxlib.h"
#include "teliva.h"
int menu_column = 0;
void draw_string_on_menu (const char* s) {
mvaddstr(LINES-1, menu_column, " ");
++menu_column;
mvaddstr(LINES-1, menu_column, s);
menu_column += strlen(s);
mvaddstr(LINES-1, menu_column, " ");
++menu_column;
}
void draw_menu_item (const char* key, const char* name) {
attroff(A_REVERSE);
draw_string_on_menu(key);
attron(A_REVERSE);
draw_string_on_menu(name);
}
void draw_menu (lua_State *L) {
attron(A_BOLD|A_REVERSE|COLOR_PAIR(COLOR_PAIR_MENU));
for (int x = 0; x < COLS; ++x)
mvaddch(LINES-1, x, ' ');
menu_column = 2;
draw_menu_item("^x", "exit");
draw_menu_item("^e", "edit");
/* render any app-specific items */
lua_getglobal(L, "menu");
int table = lua_gettop(L);
if (lua_istable(L, -1)) {
for (int i = 1; i <= luaL_getn(L, table); ++i) {
lua_rawgeti(L, table, i);
int menu_item = lua_gettop(L);
lua_rawgeti(L, menu_item, 1); /* key */
lua_rawgeti(L, menu_item, 2); /* value */
draw_menu_item(lua_tostring(L, -2), lua_tostring(L, -1));
lua_pop(L, 3);
}
}
lua_pop(L, 1);
attrset(A_NORMAL);
}
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