@@ -1,228 +1,233 | |||||
1 | /* |
|
1 | /* | |
2 | * |
|
2 | * | |
3 | * Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. |
|
3 | * Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. | |
4 | * |
|
4 | * | |
5 | * This library is free software; you can redistribute it and/or |
|
5 | * This library is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU Lesser General Public |
|
6 | * modify it under the terms of the GNU Lesser General Public | |
7 | * License as published by the Free Software Foundation; either |
|
7 | * License as published by the Free Software Foundation; either | |
8 | * version 2.1 of the License, or (at your option) any later version. |
|
8 | * version 2.1 of the License, or (at your option) any later version. | |
9 | * |
|
9 | * | |
10 | * This library is distributed in the hope that it will be useful, |
|
10 | * This library is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * Lesser General Public License for more details. |
|
13 | * Lesser General Public License for more details. | |
14 | * |
|
14 | * | |
15 | * Further, this software is distributed without any warranty that it is |
|
15 | * Further, this software is distributed without any warranty that it is | |
16 | * free of the rightful claim of any third person regarding infringement |
|
16 | * free of the rightful claim of any third person regarding infringement | |
17 | * or the like. Any license provided herein, whether implied or |
|
17 | * or the like. Any license provided herein, whether implied or | |
18 | * otherwise, applies only to this software file. Patent licenses, if |
|
18 | * otherwise, applies only to this software file. Patent licenses, if | |
19 | * any, provided herein do not apply to combinations of this program with |
|
19 | * any, provided herein do not apply to combinations of this program with | |
20 | * other software, or any other product whatsoever. |
|
20 | * other software, or any other product whatsoever. | |
21 | * |
|
21 | * | |
22 | * You should have received a copy of the GNU Lesser General Public |
|
22 | * You should have received a copy of the GNU Lesser General Public | |
23 | * License along with this library; if not, write to the Free Software |
|
23 | * License along with this library; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * |
|
25 | * | |
26 | * Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, |
|
26 | * Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, | |
27 | * 28359 Bremen, Germany or: |
|
27 | * 28359 Bremen, Germany or: | |
28 | * |
|
28 | * | |
29 | * http://www.mevis.de |
|
29 | * http://www.mevis.de | |
30 | * |
|
30 | * | |
31 | */ |
|
31 | */ | |
32 |
|
32 | |||
33 | //---------------------------------------------------------------------------------- |
|
33 | //---------------------------------------------------------------------------------- | |
34 | /*! |
|
34 | /*! | |
35 | // \file PythonQtSignalReceiver.cpp |
|
35 | // \file PythonQtSignalReceiver.cpp | |
36 | // \author Florian Link |
|
36 | // \author Florian Link | |
37 | // \author Last changed by $Author: florian $ |
|
37 | // \author Last changed by $Author: florian $ | |
38 | // \date 2006-05 |
|
38 | // \date 2006-05 | |
39 | */ |
|
39 | */ | |
40 | //---------------------------------------------------------------------------------- |
|
40 | //---------------------------------------------------------------------------------- | |
41 |
|
41 | |||
42 | #include "PythonQtSignalReceiver.h" |
|
42 | #include "PythonQtSignalReceiver.h" | |
43 | #include "PythonQtClassInfo.h" |
|
43 | #include "PythonQtClassInfo.h" | |
44 | #include "PythonQtMethodInfo.h" |
|
44 | #include "PythonQtMethodInfo.h" | |
45 | #include "PythonQtConversion.h" |
|
45 | #include "PythonQtConversion.h" | |
46 | #include <QMetaObject> |
|
46 | #include <QMetaObject> | |
47 | #include <QMetaMethod> |
|
47 | #include <QMetaMethod> | |
48 | #include "funcobject.h" |
|
48 | #include "funcobject.h" | |
49 |
|
49 | |||
50 | void PythonQtSignalTarget::call(void **arguments) const { |
|
50 | void PythonQtSignalTarget::call(void **arguments) const { | |
51 | PyObject* result = call(_callable, methodInfo(), arguments); |
|
51 | PyObject* result = call(_callable, methodInfo(), arguments); | |
52 | if (result) { |
|
52 | if (result) { | |
53 | Py_DECREF(result); |
|
53 | Py_DECREF(result); | |
54 | } |
|
54 | } | |
55 | } |
|
55 | } | |
56 |
|
56 | |||
57 | PyObject* PythonQtSignalTarget::call(PyObject* callable, const PythonQtMethodInfo* methodInfos, void **arguments, bool skipFirstArgumentOfMethodInfo) |
|
57 | PyObject* PythonQtSignalTarget::call(PyObject* callable, const PythonQtMethodInfo* methodInfos, void **arguments, bool skipFirstArgumentOfMethodInfo) | |
58 | { |
|
58 | { | |
59 | Q_UNUSED(skipFirstArgumentOfMethodInfo) |
|
59 | Q_UNUSED(skipFirstArgumentOfMethodInfo) | |
60 |
|
60 | |||
61 | // Note: we check if the callable is a PyFunctionObject and has a fixed number of arguments |
|
61 | // Note: we check if the callable is a PyFunctionObject and has a fixed number of arguments | |
62 | // if that is the case, we only pass these arguments to python and skip the additional arguments from the signal |
|
62 | // if that is the case, we only pass these arguments to python and skip the additional arguments from the signal | |
63 |
|
63 | |||
64 | int numPythonArgs = -1; |
|
64 | int numPythonArgs = -1; | |
65 | if (PyFunction_Check(callable)) { |
|
65 | if (PyFunction_Check(callable)) { | |
66 | PyObject* o = callable; |
|
66 | PyObject* o = callable; | |
67 | PyFunctionObject* func = (PyFunctionObject*)o; |
|
67 | PyFunctionObject* func = (PyFunctionObject*)o; | |
68 | PyCodeObject* code = (PyCodeObject*)func->func_code; |
|
68 | PyCodeObject* code = (PyCodeObject*)func->func_code; | |
69 | if (!(code->co_flags & 0x04)) { |
|
69 | if (!(code->co_flags & 0x04)) { | |
70 | numPythonArgs = code->co_argcount; |
|
70 | numPythonArgs = code->co_argcount; | |
71 | } else { |
|
71 | } else { | |
72 | // variable numbers of arguments allowed |
|
72 | // variable numbers of arguments allowed | |
73 | } |
|
73 | } | |
74 | } else if (PyMethod_Check(callable)) { |
|
74 | } else if (PyMethod_Check(callable)) { | |
75 | PyObject* o = callable; |
|
75 | PyObject* o = callable; | |
76 | PyMethodObject* method = (PyMethodObject*)o; |
|
76 | PyMethodObject* method = (PyMethodObject*)o; | |
77 | if (PyFunction_Check(method->im_func)) { |
|
77 | if (PyFunction_Check(method->im_func)) { | |
78 | PyFunctionObject* func = (PyFunctionObject*)method->im_func; |
|
78 | PyFunctionObject* func = (PyFunctionObject*)method->im_func; | |
79 | PyCodeObject* code = (PyCodeObject*)func->func_code; |
|
79 | PyCodeObject* code = (PyCodeObject*)func->func_code; | |
80 | if (!(code->co_flags & 0x04)) { |
|
80 | if (!(code->co_flags & 0x04)) { | |
81 | numPythonArgs = code->co_argcount - 1; // we subtract one because the first is "self" |
|
81 | numPythonArgs = code->co_argcount - 1; // we subtract one because the first is "self" | |
82 | } else { |
|
82 | } else { | |
83 | // variable numbers of arguments allowed |
|
83 | // variable numbers of arguments allowed | |
84 | } |
|
84 | } | |
85 | } |
|
85 | } | |
86 | } |
|
86 | } | |
87 |
|
87 | |||
88 | const PythonQtMethodInfo* m = methodInfos; |
|
88 | const PythonQtMethodInfo* m = methodInfos; | |
89 | // parameterCount includes return value: |
|
89 | // parameterCount includes return value: | |
90 | int count = m->parameterCount(); |
|
90 | int count = m->parameterCount(); | |
91 | if (numPythonArgs!=-1) { |
|
91 | if (numPythonArgs!=-1) { | |
92 | if (count>numPythonArgs+1) { |
|
92 | if (count>numPythonArgs+1) { | |
93 | // take less arguments |
|
93 | // take less arguments | |
94 | count = numPythonArgs+1; |
|
94 | count = numPythonArgs+1; | |
95 | } |
|
95 | } | |
96 | } |
|
96 | } | |
97 |
|
97 | |||
98 | PyObject* pargs = NULL; |
|
98 | PyObject* pargs = NULL; | |
99 | if (count>1) { |
|
99 | if (count>1) { | |
100 | pargs = PyTuple_New(count-1); |
|
100 | pargs = PyTuple_New(count-1); | |
101 | } |
|
101 | } | |
102 | bool err = false; |
|
102 | bool err = false; | |
103 | // transform Qt values to Python |
|
103 | // transform Qt values to Python | |
104 | const QList<PythonQtMethodInfo::ParameterInfo>& params = m->parameters(); |
|
104 | const QList<PythonQtMethodInfo::ParameterInfo>& params = m->parameters(); | |
105 | for (int i = 1; i < count; i++) { |
|
105 | for (int i = 1; i < count; i++) { | |
106 | const PythonQtMethodInfo::ParameterInfo& param = params.at(i); |
|
106 | const PythonQtMethodInfo::ParameterInfo& param = params.at(i); | |
107 | PyObject* arg = PythonQtConv::ConvertQtValueToPython(param, arguments[i]); |
|
107 | PyObject* arg = PythonQtConv::ConvertQtValueToPython(param, arguments[i]); | |
108 | if (arg) { |
|
108 | if (arg) { | |
109 | // steals reference, no unref |
|
109 | // steals reference, no unref | |
110 | PyTuple_SetItem(pargs, i-1,arg); |
|
110 | PyTuple_SetItem(pargs, i-1,arg); | |
111 | } else { |
|
111 | } else { | |
112 | err = true; |
|
112 | err = true; | |
113 | break; |
|
113 | break; | |
114 | } |
|
114 | } | |
115 | } |
|
115 | } | |
116 |
|
116 | |||
117 | PyObject* result = NULL; |
|
117 | PyObject* result = NULL; | |
118 | if (!err) { |
|
118 | if (!err) { | |
119 | PyErr_Clear(); |
|
119 | PyErr_Clear(); | |
120 | result = PyObject_CallObject(callable, pargs); |
|
120 | result = PyObject_CallObject(callable, pargs); | |
121 | if (result) { |
|
121 | if (result) { | |
122 | // ok |
|
122 | // ok | |
123 | } else { |
|
123 | } else { | |
124 | PythonQt::self()->handleError(); |
|
124 | PythonQt::self()->handleError(); | |
125 | } |
|
125 | } | |
126 | } |
|
126 | } | |
127 | if (pargs) { |
|
127 | if (pargs) { | |
128 | // free the arguments again |
|
128 | // free the arguments again | |
129 | Py_DECREF(pargs); |
|
129 | Py_DECREF(pargs); | |
130 | } |
|
130 | } | |
131 |
|
131 | |||
132 | return result; |
|
132 | return result; | |
133 | } |
|
133 | } | |
134 |
|
134 | |||
|
135 | bool PythonQtSignalTarget::isSame( int signalId, PyObject* callable ) const | |||
|
136 | { | |||
|
137 | return PyObject_Compare(callable, _callable) == 0 && signalId==_signalId; | |||
|
138 | } | |||
|
139 | ||||
135 | //------------------------------------------------------------------------------ |
|
140 | //------------------------------------------------------------------------------ | |
136 |
|
141 | |||
137 | PythonQtSignalReceiver::PythonQtSignalReceiver(QObject* obj):PythonQtSignalReceiverBase(obj) |
|
142 | PythonQtSignalReceiver::PythonQtSignalReceiver(QObject* obj):PythonQtSignalReceiverBase(obj) | |
138 | { |
|
143 | { | |
139 | _obj = obj; |
|
144 | _obj = obj; | |
140 |
|
145 | |||
141 | // fetch the class info for object, since we will need to for correct enum resolution in |
|
146 | // fetch the class info for object, since we will need to for correct enum resolution in | |
142 | // signals |
|
147 | // signals | |
143 | _objClassInfo = PythonQt::priv()->getClassInfo(obj->metaObject()); |
|
148 | _objClassInfo = PythonQt::priv()->getClassInfo(obj->metaObject()); | |
144 | if (!_objClassInfo || !_objClassInfo->isQObject()) { |
|
149 | if (!_objClassInfo || !_objClassInfo->isQObject()) { | |
145 | PythonQt::self()->registerClass(obj->metaObject()); |
|
150 | PythonQt::self()->registerClass(obj->metaObject()); | |
146 | _objClassInfo = PythonQt::priv()->getClassInfo(obj->metaObject()); |
|
151 | _objClassInfo = PythonQt::priv()->getClassInfo(obj->metaObject()); | |
147 | } |
|
152 | } | |
148 | // force decorator/enum creation |
|
153 | // force decorator/enum creation | |
149 | _objClassInfo->decorator(); |
|
154 | _objClassInfo->decorator(); | |
150 |
|
155 | |||
151 | _slotCount = staticMetaObject.methodOffset(); |
|
156 | _slotCount = staticMetaObject.methodOffset(); | |
152 | } |
|
157 | } | |
153 |
|
158 | |||
154 | PythonQtSignalReceiver::~PythonQtSignalReceiver() |
|
159 | PythonQtSignalReceiver::~PythonQtSignalReceiver() | |
155 | { |
|
160 | { | |
156 | PythonQt::priv()->removeSignalEmitter(_obj); |
|
161 | PythonQt::priv()->removeSignalEmitter(_obj); | |
157 | } |
|
162 | } | |
158 |
|
163 | |||
159 |
|
164 | |||
160 | bool PythonQtSignalReceiver::addSignalHandler(const char* signal, PyObject* callable) |
|
165 | bool PythonQtSignalReceiver::addSignalHandler(const char* signal, PyObject* callable) | |
161 | { |
|
166 | { | |
162 | bool flag = false; |
|
167 | bool flag = false; | |
163 | int sigId = getSignalIndex(signal); |
|
168 | int sigId = getSignalIndex(signal); | |
164 | if (sigId>=0) { |
|
169 | if (sigId>=0) { | |
165 | // create PythonQtMethodInfo from signal |
|
170 | // create PythonQtMethodInfo from signal | |
166 | QMetaMethod meta = _obj->metaObject()->method(sigId); |
|
171 | QMetaMethod meta = _obj->metaObject()->method(sigId); | |
167 | const PythonQtMethodInfo* signalInfo = PythonQtMethodInfo::getCachedMethodInfo(meta, _objClassInfo); |
|
172 | const PythonQtMethodInfo* signalInfo = PythonQtMethodInfo::getCachedMethodInfo(meta, _objClassInfo); | |
168 | PythonQtSignalTarget t(sigId, signalInfo, _slotCount, callable); |
|
173 | PythonQtSignalTarget t(sigId, signalInfo, _slotCount, callable); | |
169 | _targets.append(t); |
|
174 | _targets.append(t); | |
170 | // now connect to ourselves with the new slot id |
|
175 | // now connect to ourselves with the new slot id | |
171 | QMetaObject::connect(_obj, sigId, this, _slotCount, Qt::AutoConnection, 0); |
|
176 | QMetaObject::connect(_obj, sigId, this, _slotCount, Qt::AutoConnection, 0); | |
172 |
|
177 | |||
173 | _slotCount++; |
|
178 | _slotCount++; | |
174 | flag = true; |
|
179 | flag = true; | |
175 | } |
|
180 | } | |
176 | return flag; |
|
181 | return flag; | |
177 | } |
|
182 | } | |
178 |
|
183 | |||
179 | bool PythonQtSignalReceiver::removeSignalHandler(const char* signal, PyObject* callable) |
|
184 | bool PythonQtSignalReceiver::removeSignalHandler(const char* signal, PyObject* callable) | |
180 | { |
|
185 | { | |
181 | bool found = false; |
|
186 | bool found = false; | |
182 | int sigId = getSignalIndex(signal); |
|
187 | int sigId = getSignalIndex(signal); | |
183 | if (sigId>=0) { |
|
188 | if (sigId>=0) { | |
184 | QMutableListIterator<PythonQtSignalTarget> i(_targets); |
|
189 | QMutableListIterator<PythonQtSignalTarget> i(_targets); | |
185 | while (i.hasNext()) { |
|
190 | while (i.hasNext()) { | |
186 | if (i.next().isSame(sigId, callable)) { |
|
191 | if (i.next().isSame(sigId, callable)) { | |
187 | i.remove(); |
|
192 | i.remove(); | |
188 | found = true; |
|
193 | found = true; | |
189 | break; |
|
194 | break; | |
190 | } |
|
195 | } | |
191 | } |
|
196 | } | |
192 | } |
|
197 | } | |
193 | return found; |
|
198 | return found; | |
194 | } |
|
199 | } | |
195 |
|
200 | |||
196 | void PythonQtSignalReceiver::removeSignalHandlers() |
|
201 | void PythonQtSignalReceiver::removeSignalHandlers() | |
197 | { |
|
202 | { | |
198 | _targets.clear(); |
|
203 | _targets.clear(); | |
199 | } |
|
204 | } | |
200 |
|
205 | |||
201 | int PythonQtSignalReceiver::getSignalIndex(const char* signal) |
|
206 | int PythonQtSignalReceiver::getSignalIndex(const char* signal) | |
202 | { |
|
207 | { | |
203 | int sigId = _obj->metaObject()->indexOfSignal(signal+1); |
|
208 | int sigId = _obj->metaObject()->indexOfSignal(signal+1); | |
204 | if (sigId<0) { |
|
209 | if (sigId<0) { | |
205 | QByteArray tmpSig = QMetaObject::normalizedSignature(signal+1); |
|
210 | QByteArray tmpSig = QMetaObject::normalizedSignature(signal+1); | |
206 | sigId = _obj->metaObject()->indexOfSignal(tmpSig); |
|
211 | sigId = _obj->metaObject()->indexOfSignal(tmpSig); | |
207 | } |
|
212 | } | |
208 | return sigId; |
|
213 | return sigId; | |
209 | } |
|
214 | } | |
210 |
|
215 | |||
211 | int PythonQtSignalReceiver::qt_metacall(QMetaObject::Call c, int id, void **arguments) |
|
216 | int PythonQtSignalReceiver::qt_metacall(QMetaObject::Call c, int id, void **arguments) | |
212 | { |
|
217 | { | |
213 | // mlabDebugConst("PythonQt", "PythonQtSignalReceiver invoke " << _obj->className() << " " << _obj->name() << " " << id); |
|
218 | // mlabDebugConst("PythonQt", "PythonQtSignalReceiver invoke " << _obj->className() << " " << _obj->name() << " " << id); | |
214 | if (c != QMetaObject::InvokeMetaMethod) { |
|
219 | if (c != QMetaObject::InvokeMetaMethod) { | |
215 | QObject::qt_metacall(c, id, arguments); |
|
220 | QObject::qt_metacall(c, id, arguments); | |
216 | } |
|
221 | } | |
217 |
|
222 | |||
218 | bool found = false; |
|
223 | bool found = false; | |
219 | foreach(const PythonQtSignalTarget& t, _targets) { |
|
224 | foreach(const PythonQtSignalTarget& t, _targets) { | |
220 | if (t.slotId() == id) { |
|
225 | if (t.slotId() == id) { | |
221 | found = true; |
|
226 | found = true; | |
222 | t.call(arguments); |
|
227 | t.call(arguments); | |
223 | break; |
|
228 | break; | |
224 | } |
|
229 | } | |
225 | } |
|
230 | } | |
226 | return 0; |
|
231 | return 0; | |
227 | } |
|
232 | } | |
228 |
|
233 |
@@ -1,141 +1,141 | |||||
1 | #ifndef _PYTHONQTSIGNALRECEIVER_H |
|
1 | #ifndef _PYTHONQTSIGNALRECEIVER_H | |
2 | #define _PYTHONQTSIGNALRECEIVER_H |
|
2 | #define _PYTHONQTSIGNALRECEIVER_H | |
3 |
|
3 | |||
4 | /* |
|
4 | /* | |
5 | * |
|
5 | * | |
6 | * Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. |
|
6 | * Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved. | |
7 | * |
|
7 | * | |
8 | * This library is free software; you can redistribute it and/or |
|
8 | * This library is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public |
|
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either |
|
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. |
|
11 | * version 2.1 of the License, or (at your option) any later version. | |
12 | * |
|
12 | * | |
13 | * This library is distributed in the hope that it will be useful, |
|
13 | * This library is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. |
|
16 | * Lesser General Public License for more details. | |
17 | * |
|
17 | * | |
18 | * Further, this software is distributed without any warranty that it is |
|
18 | * Further, this software is distributed without any warranty that it is | |
19 | * free of the rightful claim of any third person regarding infringement |
|
19 | * free of the rightful claim of any third person regarding infringement | |
20 | * or the like. Any license provided herein, whether implied or |
|
20 | * or the like. Any license provided herein, whether implied or | |
21 | * otherwise, applies only to this software file. Patent licenses, if |
|
21 | * otherwise, applies only to this software file. Patent licenses, if | |
22 | * any, provided herein do not apply to combinations of this program with |
|
22 | * any, provided herein do not apply to combinations of this program with | |
23 | * other software, or any other product whatsoever. |
|
23 | * other software, or any other product whatsoever. | |
24 | * |
|
24 | * | |
25 | * You should have received a copy of the GNU Lesser General Public |
|
25 | * You should have received a copy of the GNU Lesser General Public | |
26 | * License along with this library; if not, write to the Free Software |
|
26 | * License along with this library; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
28 | * |
|
28 | * | |
29 | * Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, |
|
29 | * Contact information: MeVis Medical Solutions AG, Universitaetsallee 29, | |
30 | * 28359 Bremen, Germany or: |
|
30 | * 28359 Bremen, Germany or: | |
31 | * |
|
31 | * | |
32 | * http://www.mevis.de |
|
32 | * http://www.mevis.de | |
33 | * |
|
33 | * | |
34 | */ |
|
34 | */ | |
35 |
|
35 | |||
36 | //---------------------------------------------------------------------------------- |
|
36 | //---------------------------------------------------------------------------------- | |
37 | /*! |
|
37 | /*! | |
38 | // \file PythonQtSignalReceiver.h |
|
38 | // \file PythonQtSignalReceiver.h | |
39 | // \author Florian Link |
|
39 | // \author Florian Link | |
40 | // \author Last changed by $Author: florian $ |
|
40 | // \author Last changed by $Author: florian $ | |
41 | // \date 2006-05 |
|
41 | // \date 2006-05 | |
42 | */ |
|
42 | */ | |
43 | //---------------------------------------------------------------------------------- |
|
43 | //---------------------------------------------------------------------------------- | |
44 |
|
44 | |||
45 | #include <Python.h> |
|
45 | #include <Python.h> | |
46 | #include "PythonQtSystem.h" |
|
46 | #include "PythonQtSystem.h" | |
47 | #include "PythonQtObjectPtr.h" |
|
47 | #include "PythonQtObjectPtr.h" | |
48 |
|
48 | |||
49 | class PythonQtMethodInfo; |
|
49 | class PythonQtMethodInfo; | |
50 | class PythonQtClassInfo; |
|
50 | class PythonQtClassInfo; | |
51 |
|
51 | |||
52 | //! stores information about a signal target |
|
52 | //! stores information about a signal target | |
53 | /*! copy construction and assignment works fine with the C++ standard behavior and are thus not implemented |
|
53 | /*! copy construction and assignment works fine with the C++ standard behavior and are thus not implemented | |
54 | */ |
|
54 | */ | |
55 | class PYTHONQT_EXPORT PythonQtSignalTarget { |
|
55 | class PYTHONQT_EXPORT PythonQtSignalTarget { | |
56 | public: |
|
56 | public: | |
57 | PythonQtSignalTarget() { |
|
57 | PythonQtSignalTarget() { | |
58 | _signalId = -1; |
|
58 | _signalId = -1; | |
59 | _methodInfo = NULL; |
|
59 | _methodInfo = NULL; | |
60 | _slotId = -1; |
|
60 | _slotId = -1; | |
61 | } |
|
61 | } | |
62 |
|
62 | |||
63 | PythonQtSignalTarget(int signalId,const PythonQtMethodInfo* methodInfo, int slotId, PyObject* callable) |
|
63 | PythonQtSignalTarget(int signalId,const PythonQtMethodInfo* methodInfo, int slotId, PyObject* callable) | |
64 | { |
|
64 | { | |
65 | _signalId = signalId; |
|
65 | _signalId = signalId; | |
66 | _slotId = slotId; |
|
66 | _slotId = slotId; | |
67 | _methodInfo = methodInfo; |
|
67 | _methodInfo = methodInfo; | |
68 | _callable = callable; |
|
68 | _callable = callable; | |
69 | }; |
|
69 | }; | |
70 |
|
70 | |||
71 | ~PythonQtSignalTarget() { |
|
71 | ~PythonQtSignalTarget() { | |
72 | }; |
|
72 | }; | |
73 |
|
73 | |||
74 | //! get the id of the original signal |
|
74 | //! get the id of the original signal | |
75 | int signalId() const { return _signalId; } |
|
75 | int signalId() const { return _signalId; } | |
76 |
|
76 | |||
77 | //! get the id that was assigned to this simulated slot |
|
77 | //! get the id that was assigned to this simulated slot | |
78 | int slotId() const { return _slotId; } |
|
78 | int slotId() const { return _slotId; } | |
79 |
|
79 | |||
80 | //! get the signals parameter info |
|
80 | //! get the signals parameter info | |
81 | const PythonQtMethodInfo* methodInfo() const { return _methodInfo; } |
|
81 | const PythonQtMethodInfo* methodInfo() const { return _methodInfo; } | |
82 |
|
82 | |||
83 | //! call the python callable with the given arguments (as defined in methodInfo) |
|
83 | //! call the python callable with the given arguments (as defined in methodInfo) | |
84 | void call(void **arguments) const; |
|
84 | void call(void **arguments) const; | |
85 |
|
85 | |||
86 | //! check if it is the same signal target |
|
86 | //! check if it is the same signal target | |
87 |
bool isSame(int signalId, PyObject* callable) const |
|
87 | bool isSame(int signalId, PyObject* callable) const; | |
88 |
|
88 | |||
89 | //! call the given callable with arguments described by PythonQtMethodInfo, returns a new reference as result value (or NULL) |
|
89 | //! call the given callable with arguments described by PythonQtMethodInfo, returns a new reference as result value (or NULL) | |
90 | static PyObject* call(PyObject* callable, const PythonQtMethodInfo* methodInfo, void **arguments, bool skipFirstArgumentOfMethodInfo = false); |
|
90 | static PyObject* call(PyObject* callable, const PythonQtMethodInfo* methodInfo, void **arguments, bool skipFirstArgumentOfMethodInfo = false); | |
91 |
|
91 | |||
92 | private: |
|
92 | private: | |
93 | int _signalId; |
|
93 | int _signalId; | |
94 | int _slotId; |
|
94 | int _slotId; | |
95 | const PythonQtMethodInfo* _methodInfo; |
|
95 | const PythonQtMethodInfo* _methodInfo; | |
96 | PythonQtObjectPtr _callable; |
|
96 | PythonQtObjectPtr _callable; | |
97 | }; |
|
97 | }; | |
98 |
|
98 | |||
99 | //! base class for signal receivers |
|
99 | //! base class for signal receivers | |
100 | /*! |
|
100 | /*! | |
101 | */ |
|
101 | */ | |
102 | class PythonQtSignalReceiverBase : public QObject { |
|
102 | class PythonQtSignalReceiverBase : public QObject { | |
103 | Q_OBJECT |
|
103 | Q_OBJECT | |
104 | public: |
|
104 | public: | |
105 | PythonQtSignalReceiverBase(QObject* obj):QObject(obj) {}; |
|
105 | PythonQtSignalReceiverBase(QObject* obj):QObject(obj) {}; | |
106 | }; |
|
106 | }; | |
107 |
|
107 | |||
108 | //! receives all signals for one QObject |
|
108 | //! receives all signals for one QObject | |
109 | /*! we derive from our base but do not declare the QObject macro because we want to reimplement qt_metacall only. |
|
109 | /*! we derive from our base but do not declare the QObject macro because we want to reimplement qt_metacall only. | |
110 | */ |
|
110 | */ | |
111 | class PythonQtSignalReceiver : public PythonQtSignalReceiverBase { |
|
111 | class PythonQtSignalReceiver : public PythonQtSignalReceiverBase { | |
112 |
|
112 | |||
113 | public: |
|
113 | public: | |
114 | PythonQtSignalReceiver(QObject* obj); |
|
114 | PythonQtSignalReceiver(QObject* obj); | |
115 | ~PythonQtSignalReceiver(); |
|
115 | ~PythonQtSignalReceiver(); | |
116 |
|
116 | |||
117 | //! add a signal handler |
|
117 | //! add a signal handler | |
118 | bool addSignalHandler(const char* signal, PyObject* callable); |
|
118 | bool addSignalHandler(const char* signal, PyObject* callable); | |
119 |
|
119 | |||
120 | //! remove a signal handler |
|
120 | //! remove a signal handler | |
121 | bool removeSignalHandler(const char* signal, PyObject* callable); |
|
121 | bool removeSignalHandler(const char* signal, PyObject* callable); | |
122 |
|
122 | |||
123 | //! remove all signal handlers |
|
123 | //! remove all signal handlers | |
124 | void removeSignalHandlers(); |
|
124 | void removeSignalHandlers(); | |
125 |
|
125 | |||
126 | //! we implement this method to simulate a number of slots that match the ids in _targets |
|
126 | //! we implement this method to simulate a number of slots that match the ids in _targets | |
127 | virtual int qt_metacall(QMetaObject::Call c, int id, void **arguments); |
|
127 | virtual int qt_metacall(QMetaObject::Call c, int id, void **arguments); | |
128 |
|
128 | |||
129 | private: |
|
129 | private: | |
130 | //! get the index of the signal |
|
130 | //! get the index of the signal | |
131 | int getSignalIndex(const char* signal); |
|
131 | int getSignalIndex(const char* signal); | |
132 |
|
132 | |||
133 | QObject* _obj; |
|
133 | QObject* _obj; | |
134 | PythonQtClassInfo* _objClassInfo; |
|
134 | PythonQtClassInfo* _objClassInfo; | |
135 | int _slotCount; |
|
135 | int _slotCount; | |
136 | // linear list may get slow on multiple targets, but I think typically we have many objects and just a few signals |
|
136 | // linear list may get slow on multiple targets, but I think typically we have many objects and just a few signals | |
137 | QList<PythonQtSignalTarget> _targets; |
|
137 | QList<PythonQtSignalTarget> _targets; | |
138 | }; |
|
138 | }; | |
139 |
|
139 | |||
140 |
|
140 | |||
141 | #endif |
|
141 | #endif |
General Comments 0
You need to be logged in to leave comments.
Login now