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 /* On FreeBSD, [n]curses.h and stdlib.h/wchar.h use different guards
16    against multiple definition of wchar_t and wint_t. */
17 #if defined(__FreeBSD__) && defined(_XOPEN_SOURCE_EXTENDED)
18 # ifndef __wchar_t
19 #   define __wchar_t
20 # endif
21 # ifndef __wint_t
22 #   define __wint_t
23 # endif
24 #endif
25 
26 #if !defined(HAVE_CURSES_IS_PAD) && defined(WINDOW_HAS_FLAGS)
27 /* The following definition is necessary for ncurses 5.7; without it,
28    some of [n]curses.h set NCURSES_OPAQUE to 1, and then Python
29    can't get at the WINDOW flags field. */
30 #define NCURSES_OPAQUE 0
31 #endif
32 
33 #ifdef HAVE_NCURSES_H
34 #include <ncurses.h>
35 #else
36 #include <curses.h>
37 #endif
38 
39 #ifdef HAVE_NCURSES_H
40 /* configure was checking <curses.h>, but we will
41    use <ncurses.h>, which has some or all these features. */
42 #if !defined(WINDOW_HAS_FLAGS) && !(NCURSES_OPAQUE+0)
43 #define WINDOW_HAS_FLAGS 1
44 #endif
45 #if !defined(HAVE_CURSES_IS_PAD) && NCURSES_VERSION_PATCH+0 >= 20090906
46 #define HAVE_CURSES_IS_PAD 1
47 #endif
48 #ifndef MVWDELCH_IS_EXPRESSION
49 #define MVWDELCH_IS_EXPRESSION 1
50 #endif
51 #endif
52 
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56 
57 #define PyCurses_API_pointers 4
58 
59 /* Type declarations */
60 
61 typedef struct {
62     PyObject_HEAD
63     WINDOW *win;
64     char *encoding;
65 } PyCursesWindowObject;
66 
67 #define PyCursesWindow_Check(v)  (Py_TYPE(v) == &PyCursesWindow_Type)
68 
69 #define PyCurses_CAPSULE_NAME "_curses._C_API"
70 
71 
72 #ifdef CURSES_MODULE
73 /* This section is used when compiling _cursesmodule.c */
74 
75 #else
76 /* This section is used in modules that use the _cursesmodule API */
77 
78 static void **PyCurses_API;
79 
80 #define PyCursesWindow_Type (*(PyTypeObject *) PyCurses_API[0])
81 #define PyCursesSetupTermCalled  {if (! ((int (*)(void))PyCurses_API[1]) () ) return NULL;}
82 #define PyCursesInitialised      {if (! ((int (*)(void))PyCurses_API[2]) () ) return NULL;}
83 #define PyCursesInitialisedColor {if (! ((int (*)(void))PyCurses_API[3]) () ) return NULL;}
84 
85 #define import_curses() \
86     PyCurses_API = (void **)PyCapsule_Import(PyCurses_CAPSULE_NAME, 1);
87 
88 #endif
89 
90 /* general error messages */
91 static const char catchall_ERR[]  = "curses function returned ERR";
92 static const char catchall_NULL[] = "curses function returned NULL";
93 
94 /* Function Prototype Macros - They are ugly but very, very useful. ;-)
95 
96    X - function name
97    TYPE - parameter Type
98    ERGSTR - format string for construction of the return value
99    PARSESTR - format string for argument parsing
100    */
101 
102 #define NoArgNoReturnFunction(X) \
103 static PyObject *PyCurses_ ## X (PyObject *self) \
104 { \
105   PyCursesInitialised \
106   return PyCursesCheckERR(X(), # X); }
107 
108 #define NoArgOrFlagNoReturnFunction(X) \
109 static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
110 { \
111   int flag = 0; \
112   PyCursesInitialised \
113   switch(PyTuple_Size(args)) { \
114   case 0: \
115     return PyCursesCheckERR(X(), # X); \
116   case 1: \
117     if (!PyArg_ParseTuple(args, "i;True(1) or False(0)", &flag)) return NULL; \
118     if (flag) return PyCursesCheckERR(X(), # X); \
119     else return PyCursesCheckERR(no ## X (), # X); \
120   default: \
121     PyErr_SetString(PyExc_TypeError, # X " requires 0 or 1 arguments"); \
122     return NULL; } }
123 
124 #define NoArgReturnIntFunction(X) \
125 static PyObject *PyCurses_ ## X (PyObject *self) \
126 { \
127  PyCursesInitialised \
128  return PyLong_FromLong((long) X()); }
129 
130 
131 #define NoArgReturnStringFunction(X) \
132 static PyObject *PyCurses_ ## X (PyObject *self) \
133 { \
134   PyCursesInitialised \
135   return PyBytes_FromString(X()); }
136 
137 #define NoArgTrueFalseFunction(X) \
138 static PyObject *PyCurses_ ## X (PyObject *self) \
139 { \
140   PyCursesInitialised \
141   if (X () == FALSE) { \
142     Py_RETURN_FALSE; \
143   } \
144   Py_RETURN_TRUE; }
145 
146 #define NoArgNoReturnVoidFunction(X) \
147 static PyObject *PyCurses_ ## X (PyObject *self) \
148 { \
149   PyCursesInitialised \
150   X(); \
151   Py_RETURN_NONE; }
152 
153 #ifdef __cplusplus
154 }
155 #endif
156 
157 #endif /* !defined(Py_CURSES_H) */
158 
159 
160