Reorganise luacurses

1 files changed, 137 insertions, 0 deletions

diff --git a/contrib/luacurses/src/luacurses.c b/contrib/luacurses/src/luacurses.c
new file mode 100644
index 0000000000..0cbd2fe6a4
--- /dev/null
+++ b/contrib/luacurses/src/luacurses.c
@@ -0,0 +1,137 @@
+
+#include <stdlib.h>
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include <curses.h>
+#include "luacurses.h"
+
+SCREEN* luacurses_toscreen(lua_State* L, int index)
+{
+    SCREEN** pscreen = (SCREEN**) luaL_checkudata(L, index, MKLUALIB_META_CURSES_SCREEN);
+    if (!pscreen) luaL_argerror(L, index, "bad screen");
+    if (!*pscreen) luaL_error(L, "attempt to use invalid screen");
+    return *pscreen;
+}
+
+SCREEN** luacurses_newscreen(lua_State* L)
+{
+    SCREEN** pscreen = (SCREEN**) lua_newuserdata(L, sizeof(SCREEN*));
+    *pscreen = 0;
+    luaL_getmetatable(L, MKLUALIB_META_CURSES_SCREEN);
+    lua_setmetatable(L, -2);
+    return pscreen;
+}
+
+void luacurses_regscreen(lua_State* L, const char* name, SCREEN* userdata)
+{
+    lua_pushstring(L, name);
+    SCREEN** pscreen = luacurses_newscreen(L);
+    *pscreen = userdata;
+    lua_settable(L, -3);
+}
+
+WINDOW* luacurses_towindow(lua_State* L, int index)
+{
+    WINDOW** pwindow = (WINDOW**) luaL_checkudata(L, index, MKLUALIB_META_CURSES_WINDOW);
+    if (!pwindow) luaL_argerror(L, index, "bad window");
+    if (!*pwindow) luaL_error(L, "attempt to use invalid window");
+    return *pwindow;
+}
+
+WINDOW** luacurses_newwindow(lua_State* L)
+{
+    WINDOW** pwindow = (WINDOW**) lua_newuserdata(L, sizeof(WINDOW*));
+    *pwindow = 0;
+    luaL_getmetatable(L, MKLUALIB_META_CURSES_WINDOW);
+    lua_setmetatable(L, -2);
+    return pwindow;
+}
+
+void luacurses_regwindow(lua_State* L, const char* name, WINDOW* userdata)
+{
+    lua_pushstring(L, name);
+    WINDOW** pwindow = luacurses_newwindow(L);
+    *pwindow = userdata;
+    lua_settable(L, -3);
+}
+
+FILE* tofile(lua_State* L, int index)
+{
+    FILE** pf = (FILE**) luaL_checkudata(L, index, MKLUALIB_META_CURSES_FILE);
+    if (!pf) luaL_argerror(L, index, "bad file");
+    if (!*pf) luaL_error(L, "attempt to use invalid file");
+    return *pf;
+}
+
+FILE** newfile(lua_State* L)
+{
+    FILE** pf = (FILE**) lua_newuserdata(L, sizeof(FILE*));
+    *pf = 0;
+    luaL_getmetatable(L, MKLUALIB_META_CURSES_FILE);
+    lua_setmetatable(L, -2);
+    return pf;
+}
+
+void luacurses_regfile(lua_State* L, const char* name, FILE* f)
+{
+    lua_pushstring(L, name);
+    FILE** pf = newfile(L);
+    *pf = f;
+    lua_settable(L, -3);
+}
+
+char* luacurses_wgetnstr(WINDOW* w, int n)
+{
+    char* s = (char*) malloc(n + 1);
+    wgetnstr(w, s, n);
+    return s;
+}
+
+char* luacurses_window_tostring(WINDOW* w)
+{
+    char* buf = (char*) malloc(64);
+    sprintf(buf, "window %p", w);
+    return buf;
+}
+
+char* luacurses_screen_tostring(SCREEN* s)
+{
+    char* buf = (char*) malloc(64);
+    sprintf(buf, "screen %p", s);
+    return buf;  
+}
+
+bool luacurses_getmouse(short* id, int* x, int* y, int* z, mmask_t* bstate)
+{
+    MEVENT e;
+    int res = getmouse(&e);
+
+    *id = e.id;
+    *x = e.x;
+    *y = e.y;
+    *z = e.z;
+    *bstate = e.bstate;
+    return (res == OK);
+}
+
+bool luacurses_ungetmouse (short id, int x, int y, int z, mmask_t bstate)
+{
+    MEVENT e;
+    e.id = id;
+    e.x = x;
+    e.y = y;
+    e.z = z;
+    e.bstate = bstate;
+    return (ungetmouse(&e) == OK);
+}
+
+mmask_t luacurses_addmousemask(mmask_t m)
+{
+    mmask_t old;
+    mousemask(m, &old);
+    return mousemask(old | m, 0);
+}
+