New scripting interface part1.

1 files changed, 222 insertions, 0 deletions

diff --git a/client/luawidget.cc b/client/luawidget.cc
new file mode 100644
index 0000000..c8e6017
--- /dev/null
+++ b/client/luawidget.cc
@@ -0,0 +1,222 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            luawidget.cc
+ *
+ *  Tue Aug  3 10:17:02 CEST 2010
+ *  Copyright 2010 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Pracro.
+ *
+ *  Pracro is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Pracro is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Pracro; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "luawidget.h"
+
+#define luaL_checkbool(L, i) \
+  (lua_isboolean(L,i) ? lua_toboolean(L,i) : luaL_checkint(L,i))
+
+typedef struct wdg_userdata {
+  Widget *widget;
+} wdg_userdata;
+
+static int wdg_name(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  lua_pushstring(L, wdgu->widget->name().toStdString().c_str());
+
+  return 1;
+}
+
+static int wdg_type(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  // return error code
+  lua_pushstring(L, wdgu->widget->type().toStdString().c_str());
+
+  return 1;
+}
+
+static int wdg_value(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  lua_pushstring(L, wdgu->widget->getValue().toStdString().c_str());
+
+  return 1;
+}
+
+static int wdg_set_value(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  const char *val = luaL_checkstring(L, 2);
+
+  wdgu->widget->setValue(val);
+
+  return 0;
+}
+
+static int wdg_enabled(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  lua_pushboolean(L, wdgu->widget->isDisabled() == false);
+
+  return 1;
+}
+
+static int wdg_set_enabled(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  bool val = luaL_checkbool(L, 2);
+
+  if(val) wdgu->widget->enable();
+  else wdgu->widget->disable();
+  
+  return 0;
+}
+
+static int wdg_visible(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  lua_pushboolean(L, wdgu->widget->getVisibility());
+
+  return 1;
+}
+
+static int wdg_set_visible(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  bool val = luaL_checkbool(L, 2);
+
+  wdgu->widget->setVisibility(val);
+  
+  return 0;
+}
+
+static int wdg_valid(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  lua_pushboolean(L, wdgu->widget->isValid());
+
+  return 1;
+}
+
+static int wdg_set_valid(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  bool val = luaL_checkbool(L, 2);
+
+  wdgu->widget->setValid(val);
+  
+  return 0;
+}
+
+static int wdg_close(lua_State *L)
+{
+  wdg_userdata *wdgu;
+
+  wdgu = (wdg_userdata *)luaL_checkudata(L, 1, "Widget");
+  luaL_argcheck(L, wdgu, 1, "widget expected");
+
+  return 0;
+}
+
+static const struct luaL_reg wdg_meths[] =
+{
+  {"name", wdg_name},
+  {"type", wdg_type},
+
+  {"value", wdg_value},
+  {"setValue", wdg_set_value},
+
+  {"enabled", wdg_enabled},
+  {"setEnabled", wdg_set_enabled},
+
+  {"visible", wdg_visible},
+  {"setVisible", wdg_set_visible},
+
+  {"valid", wdg_valid},
+  {"setValid", wdg_set_valid},
+
+  {"close", wdg_close},
+  {"__gc", wdg_close},
+  {NULL, NULL}
+};
+
+int wdg_make_widget(lua_State *L, Widget *widget)
+{
+  wdg_userdata *wdgu;
+  wdgu = (wdg_userdata *)lua_newuserdata(L, sizeof(wdg_userdata));
+
+  luaL_getmetatable(L, "Widget");
+  lua_setmetatable(L, -2);
+
+  wdgu->widget = widget;
+
+  return 1;
+}
+
+void register_widget(lua_State *L)
+{
+  luaL_newmetatable(L, "Widget");
+
+  // metatable.__index = metatable
+  lua_pushliteral(L, "__index");
+  lua_pushvalue(L, -2);
+  lua_rawset(L, -3);
+
+  luaL_openlib(L, NULL, wdg_meths, 0);
+}