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
|
/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "bpy_rna.h"
#include "bpy_util.h"
#include "DNA_screen_types.h"
#include "BKE_context.h"
#include "ED_space_api.h"
/* use this to stop other capsules from being mis-used */
#define RNA_CAPSULE_ID "RNA_HANDLE"
#define RNA_CAPSULE_ID_INVALID "RNA_HANDLE_REMOVED"
void cb_region_draw(const bContext *C, ARegion *ar, void *customdata)
{
PyObject *cb_func, *cb_args, *result;
PyGILState_STATE gilstate;
bpy_context_set((bContext *)C, &gilstate);
cb_func= PyTuple_GET_ITEM((PyObject *)customdata, 0);
cb_args= PyTuple_GET_ITEM((PyObject *)customdata, 1);
result = PyObject_CallObject(cb_func, cb_args);
if(result) {
Py_DECREF(result);
}
else {
PyErr_Print();
PyErr_Clear();
}
bpy_context_clear((bContext *)C, &gilstate);
}
PyObject *pyrna_callback_add(BPy_StructRNA *self, PyObject *args)
{
void *handle;
PyObject *cb_func, *cb_args;
char *cb_event_str= NULL;
int cb_event;
if (!PyArg_ParseTuple(args, "OO|s:bpy_struct.callback_add", &cb_func, &cb_args, &cb_event_str))
return NULL;
if(RNA_struct_is_a(self->ptr.type, &RNA_Region)) {
static EnumPropertyItem region_draw_mode_items[] = {
{REGION_DRAW_POST_VIEW, "POST_VIEW", 0, "Pose View", ""},
{REGION_DRAW_POST_PIXEL, "POST_PIXEL", 0, "Post Pixel", ""},
{REGION_DRAW_PRE_VIEW, "PRE_VIEW", 0, "Pre View", ""},
{0, NULL, 0, NULL, NULL}};
if(pyrna_enum_value_from_id(region_draw_mode_items, cb_event_str, &cb_event, "bpy_struct.callback_add()") < 0)
return NULL;
handle= ED_region_draw_cb_activate(((ARegion *)self->ptr.data)->type, cb_region_draw, (void *)args, cb_event);
Py_INCREF(args);
}
else {
PyErr_SetString(PyExc_TypeError, "callback_add(): type does not suppport callbacks");
return NULL;
}
return PyCapsule_New((void *)handle, RNA_CAPSULE_ID, NULL);
}
PyObject *pyrna_callback_remove(BPy_StructRNA *self, PyObject *args)
{
PyObject *py_handle;
void *handle;
void *customdata;
if (!PyArg_ParseTuple(args, "O!:callback_remove", &PyCapsule_Type, &py_handle))
return NULL;
handle= PyCapsule_GetPointer(py_handle, RNA_CAPSULE_ID);
if(handle==NULL) {
PyErr_SetString(PyExc_ValueError, "callback_remove(handle): NULL handle given, invalid or already removed.");
return NULL;
}
if(RNA_struct_is_a(self->ptr.type, &RNA_Region)) {
customdata= ED_region_draw_cb_customdata(handle);
Py_DECREF((PyObject *)customdata);
ED_region_draw_cb_exit(((ARegion *)self->ptr.data)->type, handle);
}
/* dont allow reuse */
PyCapsule_SetName(py_handle, RNA_CAPSULE_ID_INVALID);
Py_RETURN_NONE;
}
|
