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 /* __APPLE__ */
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 #if !defined(HAVE_CURSES_IS_PAD) && defined(WINDOW_HAS_FLAGS)
43 /* The following definition is necessary for ncurses 5.7; without it,
44    some of [n]curses.h set NCURSES_OPAQUE to 1, and then Python
45    can't get at the WINDOW flags field. */
46 #define NCURSES_OPAQUE 0
47 #endif
48 
49 #ifdef HAVE_NCURSES_H
50 #include <ncurses.h>
51 #else
52 #include <curses.h>
53 #endif
54 
55 #ifdef HAVE_NCURSES_H
56 /* configure was checking <curses.h>, but we will
57    use <ncurses.h>, which has some or all these features. */
58 #if !defined(WINDOW_HAS_FLAGS) && !(NCURSES_OPAQUE+0)
59 #define WINDOW_HAS_FLAGS 1
60 #endif
61 #if !defined(HAVE_CURSES_IS_PAD) && NCURSES_VERSION_PATCH+0 >= 20090906
62 #define HAVE_CURSES_IS_PAD 1
63 #endif
64 #ifndef MVWDELCH_IS_EXPRESSION
65 #define MVWDELCH_IS_EXPRESSION 1
66 #endif
67 #endif
68 
69 #ifdef __cplusplus
70 extern "C" {
71 #endif
72 
73 #define PyCurses_API_pointers 4
74 
75 /* Type declarations */
76 
77 typedef struct {
78     PyObject_HEAD
79     WINDOW *win;
80 } PyCursesWindowObject;
81 
82 #define PyCursesWindow_Check(v)  (Py_TYPE(v) == &PyCursesWindow_Type)
83 
84 #define PyCurses_CAPSULE_NAME "_curses._C_API"
85 
86 
87 #ifdef CURSES_MODULE
88 /* This section is used when compiling _cursesmodule.c */
89 
90 #else
91 /* This section is used in modules that use the _cursesmodule API */
92 
93 static void **PyCurses_API;
94 
95 #define PyCursesWindow_Type (*(PyTypeObject *) PyCurses_API[0])
96 #define PyCursesSetupTermCalled  {if (! ((int (*)(void))PyCurses_API[1]) () ) return NULL;}
97 #define PyCursesInitialised      {if (! ((int (*)(void))PyCurses_API[2]) () ) return NULL;}
98 #define PyCursesInitialisedColor {if (! ((int (*)(void))PyCurses_API[3]) () ) return NULL;}
99 
100 #define import_curses() \
101     PyCurses_API = (void **)PyCapsule_Import(PyCurses_CAPSULE_NAME, 1);
102 
103 #endif
104 
105 /* general error messages */
106 static char *catchall_ERR  = "curses function returned ERR";
107 static char *catchall_NULL = "curses function returned NULL";
108 
109 /* Function Prototype Macros - They are ugly but very, very useful. ;-)
110 
111    X - function name
112    TYPE - parameter Type
113    ERGSTR - format string for construction of the return value
114    PARSESTR - format string for argument parsing
115    */
116 
117 #define NoArgNoReturnFunction(X) \
118 static PyObject *PyCurses_ ## X (PyObject *self) \
119 { \
120   PyCursesInitialised \
121   return PyCursesCheckERR(X(), # X); }
122 
123 #define NoArgOrFlagNoReturnFunction(X) \
124 static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
125 { \
126   int flag = 0; \
127   PyCursesInitialised \
128   switch(PyTuple_Size(args)) { \
129   case 0: \
130     return PyCursesCheckERR(X(), # X); \
131   case 1: \
132     if (!PyArg_ParseTuple(args, "i;True(1) or False(0)", &flag)) return NULL; \
133     if (flag) return PyCursesCheckERR(X(), # X); \
134     else return PyCursesCheckERR(no ## X (), # X); \
135   default: \
136     PyErr_SetString(PyExc_TypeError, # X " requires 0 or 1 arguments"); \
137     return NULL; } }
138 
139 #define NoArgReturnIntFunction(X) \
140 static PyObject *PyCurses_ ## X (PyObject *self) \
141 { \
142  PyCursesInitialised \
143  return PyInt_FromLong((long) X()); }
144 
145 
146 #define NoArgReturnStringFunction(X) \
147 static PyObject *PyCurses_ ## X (PyObject *self) \
148 { \
149   PyCursesInitialised \
150   return PyString_FromString(X()); }
151 
152 #define NoArgTrueFalseFunction(X) \
153 static PyObject *PyCurses_ ## X (PyObject *self) \
154 { \
155   PyCursesInitialised \
156   if (X () == FALSE) { \
157     Py_INCREF(Py_False); \
158     return Py_False; \
159   } \
160   Py_INCREF(Py_True); \
161   return Py_True; }
162 
163 #define NoArgNoReturnVoidFunction(X) \
164 static PyObject *PyCurses_ ## X (PyObject *self) \
165 { \
166   PyCursesInitialised \
167   X(); \
168   Py_INCREF(Py_None); \
169   return Py_None; }
170 
171 #ifdef __cplusplus
172 }
173 #endif
174 
175 #endif /* !defined(Py_CURSES_H) */
176 
177 
178