File: pydia-cpoint.c

package info (click to toggle)
dia 0.97.3%2Bgit20160930-9
  • links: PTS
  • area: main
  • in suites: bullseye
  • size: 54,372 kB
  • sloc: ansic: 155,065; xml: 16,326; python: 6,641; cpp: 4,935; makefile: 3,833; sh: 540; perl: 137; sed: 19
file content (137 lines) | stat: -rw-r--r-- 4,187 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/* -*- Mode: C; c-basic-offset: 4 -*- */
/* Python plug-in for dia
 * Copyright (C) 1999  James Henstridge
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <config.h>

#include "pydia-geometry.h"
#include "pydia-cpoint.h"
#include "pydia-object.h"

#include <structmember.h> /* PyMemberDef */

PyObject *
PyDiaConnectionPoint_New(ConnectionPoint *cpoint)
{
    PyDiaConnectionPoint *self;

    self = PyObject_NEW(PyDiaConnectionPoint, &PyDiaConnectionPoint_Type);

    if (!self) return NULL;
    self->cpoint = cpoint;
    return (PyObject *)self;
}

static void
PyDiaConnectionPoint_Dealloc(PyDiaConnectionPoint *self)
{
     PyObject_DEL(self);
}

static int
PyDiaConnectionPoint_Compare(PyDiaConnectionPoint *self,
			     PyDiaConnectionPoint *other)
{
    if (self->cpoint == other->cpoint) return 0;
    if (self->cpoint > other->cpoint) return -1;
    return 1;
}

static long
PyDiaConnectionPoint_Hash(PyDiaConnectionPoint *self)
{
    return (long)self->cpoint;
}

static PyObject *
PyDiaConnectionPoint_GetAttr(PyDiaConnectionPoint *self, gchar *attr)
{
    if (!strcmp(attr, "__members__"))
	return Py_BuildValue("[sssss]", "connected", "object", "pos", "flags", "directions");
    else if (!strcmp(attr, "pos"))
	return PyDiaPoint_New(&(self->cpoint->pos));
    else if (!strcmp(attr, "object"))
	return PyDiaObject_New(self->cpoint->object);
    else if (!strcmp(attr, "flags"))
	return PyInt_FromLong(self->cpoint->flags);
    else if (!strcmp(attr, "directions"))
	return PyInt_FromLong(self->cpoint->directions);
    else if (!strcmp(attr, "connected")) {
	PyObject *ret;
	GList *tmp;
	gint i;

	ret = PyTuple_New(g_list_length(self->cpoint->connected));
	for (i = 0, tmp = self->cpoint->connected; tmp; i++, tmp = tmp->next)
	    PyTuple_SetItem(ret, i, PyDiaObject_New((DiaObject *)tmp->data));
	return ret;
    }

    PyErr_SetString(PyExc_AttributeError, attr);
    return NULL;
}

#define T_INVALID -1 /* can't allow direct access due to pyobject->cpoint indirection */
static PyMemberDef PyDiaConnectionPoint_Members[] = {
    { "connected", T_INVALID, 0, RESTRICTED|READONLY,
      "List of Object: read-only list of connected objects" },
    { "object", T_INVALID, 0, RESTRICTED|READONLY,
      "Object: the object owning this connection point" },
    { "pos", T_INVALID, 0, RESTRICTED|READONLY,
      "Point: read-only position of the connection point" },
    { "flags", T_INVALID, 0, RESTRICTED|READONLY,
      "Flags, e.g. CP_FLAGS_MAIN (=0x3)" },
    { "directions", T_INVALID, 0, RESTRICTED|READONLY,
      "Preferred directions away from the object (e.g. DIR_NORTH=0x1)" },
    { NULL }
};

PyTypeObject PyDiaConnectionPoint_Type = {
    PyObject_HEAD_INIT(&PyType_Type)
    0,
    "dia.ConnectionPoint",
    sizeof(PyDiaConnectionPoint),
    0,
    (destructor)PyDiaConnectionPoint_Dealloc,
    (printfunc)0,
    (getattrfunc)PyDiaConnectionPoint_GetAttr,
    (setattrfunc)0,
    (cmpfunc)PyDiaConnectionPoint_Compare,
    (reprfunc)0,
    0,
    0,
    0,
    (hashfunc)PyDiaConnectionPoint_Hash,
    (ternaryfunc)0,
    (reprfunc)0,
    (getattrofunc)0,
    (setattrofunc)0,
    (PyBufferProcs *)0,
    0L, /* Flags */
    "One of the major features of Dia are connectable objects. They work by this type accesible "
    "through dia.Object.connections[].",
    (traverseproc)0,
    (inquiry)0,
    (richcmpfunc)0,
    0, /* tp_weakliszoffset */
    (getiterfunc)0,
    (iternextfunc)0,
    0, /* tp_methods */
    PyDiaConnectionPoint_Members, /* tp_members */
    0
};