From d577d991b97ae2b5ee1af23641bcffc3f83af5b2 Mon Sep 17 00:00:00 2001
From: Pixel <pixel@nobis-crew.org>
Date: Wed, 4 Nov 2009 11:56:41 -0800
Subject: Initial import. Contains the im, cd and iup librairies, and a
 "working" Makefile for them under linux.

---
 iup/srclua5/il_getparam.c | 177 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100755 iup/srclua5/il_getparam.c

(limited to 'iup/srclua5/il_getparam.c')

diff --git a/iup/srclua5/il_getparam.c b/iup/srclua5/il_getparam.c
new file mode 100755
index 0000000..c7f4936
--- /dev/null
+++ b/iup/srclua5/il_getparam.c
@@ -0,0 +1,177 @@
+/** \file
+ * \brief IupGetParam bindig to Lua 5.
+ *
+ * See Copyright Notice in "iup.h"
+ */
+ 
+#include <stdlib.h>
+#include <string.h>
+
+#include <lua.h>
+#include <lauxlib.h>
+
+#include "iup.h"
+
+#include "iuplua.h"
+#include "il.h"
+#include "il_controls.h"
+
+
+/* Used only by the Lua binding */
+int iupGetParamCount(const char *format, int *param_extra);
+char iupGetParamType(const char* format, int *line_size);
+
+
+typedef struct _getparam_data
+{
+  lua_State *L;
+  int has_func;
+  int func_ref;
+}getparam_data;
+
+static int param_action(Ihandle* dialog, int param_index, void* user_data)
+{
+  int ret = 1;
+  getparam_data* gp = (getparam_data*)user_data;
+  if (gp->has_func)
+  {
+    lua_State *L = gp->L;
+    lua_getref(L, gp->func_ref);
+    iuplua_pushihandle(L, dialog);
+    lua_pushnumber(L, param_index);
+    if (iuplua_call_raw(L, 2, 1) != 0)    /* 2 args, 1 return */
+    {
+      ret = (int)lua_tonumber(L,-1);
+      lua_pop(L, 1);
+    }
+  }
+  return ret;
+}
+
+static int GetParam(lua_State *L)
+{
+  getparam_data gp;
+  const char* title = luaL_checkstring(L, 1);
+  void* user_data = (void*)&gp;
+  const char* format = luaL_checkstring(L, 3);
+  int param_count, param_extra, i, size, ret,
+      line_size = 0, lua_param_start = 4;
+  const char* f = format;
+  const char* s;
+  void* param_data[50];
+  char param_type[50];
+
+  gp.L = L;
+  gp.has_func = 0;
+  gp.func_ref = 0;
+
+  memset(param_data, 0, sizeof(void*)*50);
+  memset(param_type, 0, sizeof(char)*50);
+
+  param_count = iupGetParamCount(format, &param_extra);
+
+  for (i = 0; i < param_count; i++)
+  {
+    char t = iupGetParamType(f, &line_size);
+
+    if (t == 't') /* if separator */
+    {
+      f += line_size;
+      i--; /* compensate next increment */
+      continue;
+    }
+
+    switch(t)
+    {
+    case 'b':
+    case 'i':
+    case 'l':
+      param_data[i] = malloc(sizeof(int));
+      *(int*)(param_data[i]) = (int)luaL_checknumber(L, lua_param_start); lua_param_start++;
+      break;
+    case 'a':
+    case 'r':
+      param_data[i] = malloc(sizeof(float));
+      *(float*)(param_data[i]) = (float)luaL_checknumber(L, lua_param_start); lua_param_start++;
+      break;
+    case 's':
+    case 'm':
+      s = luaL_checkstring(L, lua_param_start); lua_param_start++;
+      size = strlen(s);
+      if (size < 512)
+        param_data[i] = malloc(512);
+      else
+        param_data[i] = malloc(2*size);
+      memcpy(param_data[i], s, size+1);
+      break;
+    }
+
+    param_type[i] = t;
+    f += line_size;
+  }
+
+  if (lua_isfunction(L, 2))
+  {
+    lua_pushvalue(L, 2);
+    gp.func_ref = lua_ref(L, 1);
+    gp.has_func = 1;
+  }
+
+  ret = IupGetParamv(title, param_action, user_data, format, param_count, param_extra, param_data);
+
+  lua_pushboolean(L, ret);
+
+  if (ret)
+  {
+    for (i = 0; i < param_count; i++)
+    {
+      switch(param_type[i])
+      {
+      case 'b':
+      case 'i':
+      case 'l':
+        lua_pushnumber(L, *(int*)(param_data[i]));
+        break;
+      case 'a':
+      case 'r':
+        lua_pushnumber(L, *(float*)(param_data[i]));
+        break;
+      case 's':
+      case 'm':
+        lua_pushstring(L, (char*)(param_data[i]));
+        break;
+      }
+    }
+  }
+
+  for (i = 0; i < param_count; i++)
+  {
+    free(param_data[i]);
+  }
+
+  if (gp.has_func)
+    lua_unref(L, gp.func_ref);
+
+  if (ret)
+    return param_count+1;
+  else
+    return 1;
+}
+
+static int GetParamParam(lua_State *L)
+{
+  Ihandle *dialog = iuplua_checkihandle(L, 1);
+  int param_index = (int)luaL_checknumber(L, 2);
+  Ihandle* param;
+  char param_str[50];
+  sprintf(param_str, "PARAM%d", param_index);
+  param = (Ihandle*)IupGetAttribute(dialog, param_str);
+  iuplua_pushihandle(L, param);
+  return 1;
+}
+
+void iupgetparamlua_open(lua_State * L)
+{
+  iuplua_register(L, GetParam, "GetParam");
+  iuplua_register(L, GetParamParam, "GetParamParam");
+}
-- 
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