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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* -*- 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-handle.h"
#include "pydia-cpoint.h"
#include "pydia-geometry.h"
#include "pydia-object.h" /* for PyObject_HEAD_INIT */
#include <structmember.h> /* PyMemberDef */
PyObject *
PyDiaHandle_New(Handle *handle, DiaObject *owner)
{
PyDiaHandle *self;
self = PyObject_NEW(PyDiaHandle, &PyDiaHandle_Type);
if (!self) return NULL;
self->handle = handle;
self->owner = owner;
return (PyObject *)self;
}
static void
PyDiaHandle_Dealloc(PyDiaHandle *self)
{
PyObject_DEL(self);
}
static int
PyDiaHandle_Compare(PyDiaHandle *self, PyDiaHandle *other)
{
if (self->handle == other->handle) return 0;
if (self->handle > other->handle) return -1;
return 1;
}
static long
PyDiaHandle_Hash(PyDiaHandle *self)
{
return (long)self->handle;
}
static PyObject *
PyDiaHandle_Connect(PyDiaHandle *self, PyObject *args)
{
PyObject *obj;
if (!PyArg_ParseTuple(args, "O:Handle.connect", &obj))
return NULL;
if (PyDiaConnectionPoint_Check (obj)) {
PyDiaConnectionPoint *o = (PyDiaConnectionPoint *)obj;
object_connect (self->owner, self->handle, o->cpoint);
}
else if (obj == Py_None) {
object_unconnect (self->handle->connected_to->object, self->handle);
}
else {
PyErr_SetString(PyExc_TypeError,
"Expecting a ConnectionPoint or None to disconnect.");
return NULL;
}
Py_INCREF(Py_None);
return Py_None;
}
static PyMethodDef PyDiaHandle_Methods[] = {
{ "connect", (PyCFunction)PyDiaHandle_Connect, METH_VARARGS,
"connect(ConnectionPoint: cp) -> None."
" Connect object A's handle with object B's connection point. To disconnect a handle pass in None." },
{ NULL, 0, 0, NULL }
};
#define T_INVALID -1 /* can't allow direct access due to pyobject->handle indirection */
static PyMemberDef PyDiaHandle_Members[] = {
{ "connect_type", T_INVALID, 0, RESTRICTED|READONLY,
"NONCONNECTABLE=0." },
{ "connected_to", T_INVALID, 0, RESTRICTED|READONLY,
"The connected ConnectionPoint object or None." },
{ "id", T_INVALID, 0, RESTRICTED|READONLY,
"Can be used to derive preferred directions from it." },
{ "pos", T_INVALID, 0, RESTRICTED|READONLY,
"The position of the connection point." },
{ "type", T_INVALID, 0, RESTRICTED|READONLY,
"NON_MOVABLE=0, MAJOR_CONTROL=1, MINOR_CONTROL=2" },
{ NULL }
};
static PyObject *
PyDiaHandle_GetAttr(PyDiaHandle *self, gchar *attr)
{
if (!strcmp(attr, "__members__"))
return Py_BuildValue("[sssss]", "connect_type", "connected_to", "id",
"pos", "type");
else if (!strcmp(attr, "id"))
return PyInt_FromLong(self->handle->id);
else if (!strcmp(attr, "type"))
return PyInt_FromLong(self->handle->type);
else if (!strcmp(attr, "pos"))
return PyDiaPoint_New(&(self->handle->pos));
else if (!strcmp(attr, "connect_type"))
return PyInt_FromLong(self->handle->connect_type);
else if (!strcmp(attr, "connected_to")) {
if (self->handle->connected_to)
return PyDiaConnectionPoint_New(self->handle->connected_to);
Py_INCREF(Py_None);
return Py_None;
}
return Py_FindMethod(PyDiaHandle_Methods, (PyObject *)self, attr);
}
PyTypeObject PyDiaHandle_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
"dia.Handle",
sizeof(PyDiaHandle),
0,
(destructor)PyDiaHandle_Dealloc,
(printfunc)0,
(getattrfunc)PyDiaHandle_GetAttr,
(setattrfunc)0,
(cmpfunc)PyDiaHandle_Compare,
(reprfunc)0,
0,
0,
0,
(hashfunc)PyDiaHandle_Hash,
(ternaryfunc)0,
(reprfunc)0,
(getattrofunc)0,
(setattrofunc)0,
(PyBufferProcs *)0,
0L, /* Flags */
"A handle is used to connect objects or for object resizing.",
(traverseproc)0,
(inquiry)0,
(richcmpfunc)0,
0, /* tp_weakliszoffset */
(getiterfunc)0,
(iternextfunc)0,
PyDiaHandle_Methods, /* tp_methods */
PyDiaHandle_Members, /* tp_members */
0
};
|
