Include/py_curses.h

   1
   2 #ifndef Py_CURSES_H
   3 #define Py_CURSES_H
   4
   5 #ifdef __APPLE__
   6 /*
   7 ** On Mac OS X 10.2 [n]curses.h and stdlib.h use different guards
   8 ** against multiple definition of wchar_t.
   9 */
  10 #ifdef  _BSD_WCHAR_T_DEFINED_
  11 #define _WCHAR_T
  12 #endif
  13
  14 /* the following define is necessary for OS X 10.6; without it, the
  15    Apple-supplied ncurses.h sets NCURSES_OPAQUE to 1, and then Python
  16    can't get at the WINDOW flags field. */
  17 #define NCURSES_OPAQUE 0
  18 #endif /* __APPLE__ */
  19
  20 #ifdef __FreeBSD__
  21 /*
  22 ** On FreeBSD, [n]curses.h and stdlib.h/wchar.h use different guards
  23 ** against multiple definition of wchar_t and wint_t.
  24 */
  25 #ifdef  _XOPEN_SOURCE_EXTENDED
  26 #ifndef __FreeBSD_version
  27 #include <osreldate.h>
  28 #endif
  29 #if __FreeBSD_version >= 500000
  30 #ifndef __wchar_t
  31 #define __wchar_t
  32 #endif
  33 #ifndef __wint_t
  34 #define __wint_t
  35 #endif
  36 #else
  37 #ifndef _WCHAR_T
  38 #define _WCHAR_T
  39 #endif
  40 #ifndef _WINT_T
  41 #define _WINT_T
  42 #endif
  43 #endif
  44 #endif
  45 #endif
  46
  47 #ifdef HAVE_NCURSES_H
  48 #include <ncurses.h>
  49 #else
  50 #include <curses.h>
  51 #ifdef HAVE_TERM_H
  52 /* for tigetstr, which is not declared in SysV curses */
  53 #include <term.h>
  54 #endif
  55 #endif
  56
  57 #ifdef HAVE_NCURSES_H
  58 /* configure was checking <curses.h>, but we will
  59    use <ncurses.h>, which has all these features. */
  60 #ifndef WINDOW_HAS_FLAGS
  61 #define WINDOW_HAS_FLAGS 1
  62 #endif
  63 #ifndef MVWDELCH_IS_EXPRESSION
  64 #define MVWDELCH_IS_EXPRESSION 1
  65 #endif
  66 #endif
  67
  68 #ifdef __cplusplus
  69 extern "C" {
  70 #endif
  71
  72 #define PyCurses_API_pointers 4
  73
  74 /* Type declarations */
  75
  76 typedef struct {
  77         PyObject_HEAD
  78         WINDOW *win;
  79 } PyCursesWindowObject;
  80
  81 #define PyCursesWindow_Check(v)  (Py_TYPE(v) == &PyCursesWindow_Type)
  82
  83 #define PyCurses_CAPSULE_NAME "_curses._C_API"
  84
  85
  86 #ifdef CURSES_MODULE
  87 /* This section is used when compiling _cursesmodule.c */
  88
  89 #else
  90 /* This section is used in modules that use the _cursesmodule API */
  91
  92 static void **PyCurses_API;
  93
  94 #define PyCursesWindow_Type (*(PyTypeObject *) PyCurses_API[0])
  95 #define PyCursesSetupTermCalled  {if (! ((int (*)(void))PyCurses_API[1]) () ) return NULL;}
  96 #define PyCursesInitialised      {if (! ((int (*)(void))PyCurses_API[2]) () ) return NULL;}
  97 #define PyCursesInitialisedColor {if (! ((int (*)(void))PyCurses_API[3]) () ) return NULL;}
  98
  99 #define import_curses() \
 100     PyCurses_API = (void **)PyCapsule_Import(PyCurses_CAPSULE_NAME, 1);
 101
 102 #endif
 103
 104 /* general error messages */
 105 static char *catchall_ERR  = "curses function returned ERR";
 106 static char *catchall_NULL = "curses function returned NULL";
 107
 108 /* Function Prototype Macros - They are ugly but very, very useful. ;-)
 109
 110    X - function name
 111    TYPE - parameter Type
 112    ERGSTR - format string for construction of the return value
 113    PARSESTR - format string for argument parsing
 114    */
 115
 116 #define NoArgNoReturnFunction(X) \
 117 static PyObject *PyCurses_ ## X (PyObject *self) \
 118 { \
 119   PyCursesInitialised \
 120   return PyCursesCheckERR(X(), # X); }
 121
 122 #define NoArgOrFlagNoReturnFunction(X) \
 123 static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
 124 { \
 125   int flag = 0; \
 126   PyCursesInitialised \
 127   switch(PyTuple_Size(args)) { \
 128   case 0: \
 129     return PyCursesCheckERR(X(), # X); \
 130   case 1: \
 131     if (!PyArg_ParseTuple(args, "i;True(1) or False(0)", &flag)) return NULL; \
 132     if (flag) return PyCursesCheckERR(X(), # X); \
 133     else return PyCursesCheckERR(no ## X (), # X); \
 134   default: \
 135     PyErr_SetString(PyExc_TypeError, # X " requires 0 or 1 arguments"); \
 136     return NULL; } }
 137
 138 #define NoArgReturnIntFunction(X) \
 139 static PyObject *PyCurses_ ## X (PyObject *self) \
 140 { \
 141  PyCursesInitialised \
 142  return PyInt_FromLong((long) X()); }
 143
 144
 145 #define NoArgReturnStringFunction(X) \
 146 static PyObject *PyCurses_ ## X (PyObject *self) \
 147 { \
 148   PyCursesInitialised \
 149   return PyString_FromString(X()); }
 150
 151 #define NoArgTrueFalseFunction(X) \
 152 static PyObject *PyCurses_ ## X (PyObject *self) \
 153 { \
 154   PyCursesInitialised \
 155   if (X () == FALSE) { \
 156     Py_INCREF(Py_False); \
 157     return Py_False; \
 158   } \
 159   Py_INCREF(Py_True); \
 160   return Py_True; }
 161
 162 #define NoArgNoReturnVoidFunction(X) \
 163 static PyObject *PyCurses_ ## X (PyObject *self) \
 164 { \
 165   PyCursesInitialised \
 166   X(); \
 167   Py_INCREF(Py_None); \
 168   return Py_None; }
 169
 170 #ifdef __cplusplus
 171 }
 172 #endif
 173
 174 #endif /* !defined(Py_CURSES_H) */
 175
 176