source: trunk/include/python2.4/py_curses.h @ 490

Last change on this file since 490 was 88, checked in by cxsong, 19 years ago

copied from /opt/rappture/include

File size: 4.1 KB
Line 
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#endif
14
15#ifdef __FreeBSD__
16/*
17** On FreeBSD, [n]curses.h and stdlib.h/wchar.h use different guards
18** against multiple definition of wchar_t and wint_t.
19*/
20#ifdef  _XOPEN_SOURCE_EXTENDED
21#ifndef __FreeBSD_version
22#include <osreldate.h>
23#endif
24#if __FreeBSD_version >= 500000
25#ifndef __wchar_t
26#define __wchar_t
27#endif
28#ifndef __wint_t
29#define __wint_t
30#endif
31#else
32#ifndef _WCHAR_T
33#define _WCHAR_T
34#endif
35#ifndef _WINT_T
36#define _WINT_T
37#endif
38#endif
39#endif
40#endif
41
42#ifdef HAVE_NCURSES_H
43#include <ncurses.h>
44#else
45#include <curses.h>
46#ifdef HAVE_TERM_H
47/* for tigetstr, which is not declared in SysV curses */
48#include <term.h>
49#endif
50#endif
51
52#ifdef HAVE_NCURSES_H
53/* configure was checking <curses.h>, but we will
54   use <ncurses.h>, which has all these features. */
55#ifndef WINDOW_HAS_FLAGS
56#define WINDOW_HAS_FLAGS 1
57#endif
58#ifndef MVWDELCH_IS_EXPRESSION
59#define MVWDELCH_IS_EXPRESSION 1
60#endif
61#endif
62
63#ifdef __cplusplus
64extern "C" {
65#endif
66
67#define PyCurses_API_pointers 4
68
69/* Type declarations */
70
71typedef struct {
72        PyObject_HEAD
73        WINDOW *win;
74} PyCursesWindowObject;
75
76#define PyCursesWindow_Check(v)  ((v)->ob_type == &PyCursesWindow_Type)
77
78#ifdef CURSES_MODULE
79/* This section is used when compiling _cursesmodule.c */
80
81#else
82/* This section is used in modules that use the _cursesmodule API */
83
84static void **PyCurses_API;
85
86#define PyCursesWindow_Type (*(PyTypeObject *) PyCurses_API[0])
87#define PyCursesSetupTermCalled  {if (! ((int (*)(void))PyCurses_API[1]) () ) return NULL;}
88#define PyCursesInitialised      {if (! ((int (*)(void))PyCurses_API[2]) () ) return NULL;}
89#define PyCursesInitialisedColor {if (! ((int (*)(void))PyCurses_API[3]) () ) return NULL;}
90
91#define import_curses() \
92{ \
93  PyObject *module = PyImport_ImportModule("_curses"); \
94  if (module != NULL) { \
95    PyObject *module_dict = PyModule_GetDict(module); \
96    PyObject *c_api_object = PyDict_GetItemString(module_dict, "_C_API"); \
97    if (PyCObject_Check(c_api_object)) { \
98      PyCurses_API = (void **)PyCObject_AsVoidPtr(c_api_object); \
99    } \
100  } \
101}
102#endif
103
104/* general error messages */
105static char *catchall_ERR  = "curses function returned ERR";
106static 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) \
117static PyObject *PyCurses_ ## X (PyObject *self) \
118{ \
119  PyCursesInitialised \
120  return PyCursesCheckERR(X(), # X); }
121
122#define NoArgOrFlagNoReturnFunction(X) \
123static 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) \
139static PyObject *PyCurses_ ## X (PyObject *self) \
140{ \
141 PyCursesInitialised \
142 return PyInt_FromLong((long) X()); }
143
144
145#define NoArgReturnStringFunction(X) \
146static PyObject *PyCurses_ ## X (PyObject *self) \
147{ \
148  PyCursesInitialised \
149  return PyString_FromString(X()); }
150
151#define NoArgTrueFalseFunction(X) \
152static 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) \
163static 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
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