GIT_REPOSITORIES/LPP/PythonQt Commit - r79:c79b0e3d137b

added findChild and findChildren contributed by David Geldreich...

florianlink -

r79:c79b0e3d137b

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r79:c79b0e3d137b

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src/PythonQtStdDecorators.cpp +148 0

             /*
             *
             *  Copyright (C) 2006 MeVis Research GmbH All Rights Reserved.
             *
             *  This library is free software; you can redistribute it and/or
             *  modify it under the terms of the GNU Lesser General Public
             *  License as published by the Free Software Foundation; either
             *  version 2.1 of the License, or (at your option) any later version.
             *
             *  This library 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
             *  Lesser General Public License for more details.
             *
             *  Further, this software is distributed without any warranty that it is
             *  free of the rightful claim of any third person regarding infringement
             *  or the like.  Any license provided herein, whether implied or
             *  otherwise, applies only to this software file.  Patent licenses, if
             *  any, provided herein do not apply to combinations of this program with
             *  other software, or any other product whatsoever.
             *
             *  You should have received a copy of the GNU Lesser General Public
             *  License along with this library; if not, write to the Free Software
             *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
             *
             *  Contact information: MeVis Research GmbH, Universitaetsallee 29,
             *  28359 Bremen, Germany or:
             *
             *  http://www.mevis.de
             *
             */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtStdDecorators.cpp
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2007-04
             */
             //----------------------------------------------------------------------------------
             #include "PythonQtStdDecorators.h"
             #include "PythonQt.h"
             #include "PythonQtClassInfo.h"
             #include <QCoreApplication>
             bool PythonQtStdDecorators::connect(QObject* sender, const QByteArray& signal, PyObject* callable)
             {
               QByteArray signalTmp;
               char first = signal.at(0);
               if (first>='0' && first<='9') {
                 signalTmp = signal;
               } else {
                 signalTmp = "2" + signal;
               }
               if (sender) {
                 return PythonQt::self()->addSignalHandler(sender, signalTmp, callable);
               } else {
                 return false;
               }
             }
             bool PythonQtStdDecorators::connect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot)
             {
               bool r = false;
               if (sender && receiver) {
                 QByteArray signalTmp;
                 char first = signal.at(0);
                 if (first>='0' && first<='9') {
                   signalTmp = signal;
                 } else {
                   signalTmp = "2" + signal;
                 }
                 QByteArray slotTmp;
                 first = slot.at(0);
                 if (first>='0' && first<='9') {
                   slotTmp = slot;
                 } else {
                   slotTmp = "1" + slot;
                 }
                 r = QObject::connect(sender, signalTmp, receiver, slotTmp);
               }
               return r;
             }
             bool PythonQtStdDecorators::disconnect(QObject* sender, const QByteArray& signal, PyObject* callable)
             {
               QByteArray signalTmp;
               char first = signal.at(0);
               if (first>='0' && first<='9') {
                 signalTmp = signal;
               } else {
                 signalTmp = "2" + signal;
               }
               if (sender) {
                 return PythonQt::self()->removeSignalHandler(sender, signalTmp, callable);
               } else {
                 return false;
               }
             }
             bool PythonQtStdDecorators::disconnect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot)
             {
               bool r = false;
               if (sender && receiver) {
                 QByteArray signalTmp;
                 char first = signal.at(0);
                 if (first>='0' && first<='9') {
                   signalTmp = signal;
                 } else {
                   signalTmp = "2" + signal;
                 }
                 QByteArray slotTmp;
                 first = slot.at(0);
                 if (first>='0' && first<='9') {
                   slotTmp = slot;
                 } else {
                   slotTmp = "1" + slot;
                 }
                 r = QObject::disconnect(sender, signalTmp, receiver, slotTmp);
               }
               return r;
             }
             #undef emit
             void PythonQtStdDecorators::emit(QObject* sender, const QByteArray& signal, PyObject* arg1 ,PyObject* arg2 ,
                       PyObject* arg3 ,PyObject* arg4 ,PyObject* arg5 ,PyObject* arg6 ,PyObject* arg7 )
             {
               // TODO xxx
               // use normal PythonQtSlot calling code, add "allowSignal" to member lookup?!
             }
             #define emit
             QObject* PythonQtStdDecorators::parent(QObject* o) {
               return o->parent();
             }
             void PythonQtStdDecorators::setParent(QObject* o, QObject* parent)
             {
               o->setParent(parent);
             }
             const QObjectList* PythonQtStdDecorators::children(QObject* o)
             {
               return &o->children();
             }
             QString PythonQtStdDecorators::tr(QObject* obj, const QByteArray& text, const QByteArray& ambig, int n)
             {
               return QCoreApplication::translate(obj->metaObject()->className(), text.constData(), ambig.constData(), QCoreApplication::CodecForTr, n);
             }
+            QObject* PythonQtStdDecorators::findChild(QObject* parent, PyObject* type, const QString& name)
+            {
+              const QMetaObject* meta = NULL;
+              const char* typeName = NULL;
+              if (PyObject_TypeCheck(type, &PythonQtClassWrapper_Type)) {
+                meta = ((PythonQtClassWrapper*)type)->classInfo()->metaObject();
+              } else if (PyObject_TypeCheck(type, &PythonQtInstanceWrapper_Type)) {
+                meta = ((PythonQtInstanceWrapper*)type)->classInfo()->metaObject();
+              } else if (PyString_Check(type)) {
+                typeName = PyString_AsString(type);
+              }
+              if (!typeName && !meta)
+                return NULL;
+              return findChild(parent, typeName, meta, name);
+            }
+            QList<QObject*> PythonQtStdDecorators::findChildren(QObject* parent, PyObject* type, const QString& name)
+            {
+              const QMetaObject* meta = NULL;
+              const char* typeName = NULL;
+              if (PyObject_TypeCheck(type, &PythonQtClassWrapper_Type)) {
+                meta = ((PythonQtClassWrapper*)type)->classInfo()->metaObject();
+              } else if (PyObject_TypeCheck(type, &PythonQtInstanceWrapper_Type)) {
+                meta = ((PythonQtInstanceWrapper*)type)->classInfo()->metaObject();
+              } else if (PyString_Check(type)) {
+                typeName = PyString_AsString(type);
+              }
+              QList<QObject*> list;
+              if (!typeName && !meta)
+                return list;
+              findChildren(parent, typeName, meta, name, list);
+              return list;
+            }
+            QList<QObject*> PythonQtStdDecorators::findChildren(QObject* parent, PyObject* type, const QRegExp& regExp)
+            {
+              const QMetaObject* meta = NULL;
+              const char* typeName = NULL;
+              if (PyObject_TypeCheck(type, &PythonQtClassWrapper_Type)) {
+                meta = ((PythonQtClassWrapper*)type)->classInfo()->metaObject();
+              } else if (PyObject_TypeCheck(type, &PythonQtInstanceWrapper_Type)) {
+                meta = ((PythonQtInstanceWrapper*)type)->classInfo()->metaObject();
+              } else if (PyString_Check(type)) {
+                typeName = PyString_AsString(type);
+              }
+              QList<QObject*> list;
+              if (!typeName && !meta)
+                return list;
+              findChildren(parent, typeName, meta, regExp, list);
+              return list;
+            }
+            QObject* PythonQtStdDecorators::findChild(QObject* parent, const char* typeName, const QMetaObject* meta, const QString& name)
+            {
+              const QObjectList &children = parent->children();
+              int i;
+              for (i = 0; i < children.size(); ++i) {
+                QObject* obj = children.at(i);
+                if (!obj)
+                  return NULL;
+                // Skip if the name doesn't match.
+                if (!name.isNull() && obj->objectName() != name)
+                  continue;
+                if ((typeName && obj->inherits(typeName)) ||
+                  (meta && meta->cast(obj)))
+                  return obj;
+              }
+              for (i = 0; i < children.size(); ++i) {
+                QObject* obj = findChild(children.at(i), typeName, meta, name);
+                if (obj != NULL)
+                  return obj;
+              }
+              return NULL;
+            }
+            int PythonQtStdDecorators::findChildren(QObject* parent, const char* typeName, const QMetaObject* meta, const QString& name, QList<QObject*>& list)
+            {
+              const QObjectList& children = parent->children();
+              int i;
+              for (i = 0; i < children.size(); ++i) {
+                QObject* obj = children.at(i);
+                if (!obj)
+                  return -1;
+                // Skip if the name doesn't match.
+                if (!name.isNull() && obj->objectName() != name)
+                  continue;
+                if ((typeName && obj->inherits(typeName)) ||
+                  (meta && meta->cast(obj))) {
+                    list += obj;
+                }
+                if (findChildren(obj, typeName, meta, name, list) < 0)
+                  return -1;
+              }
+              return 0;
+            }
+            int PythonQtStdDecorators::findChildren(QObject* parent, const char* typeName, const QMetaObject* meta, const QRegExp& regExp, QList<QObject*>& list)
+            {
+              const QObjectList& children = parent->children();
+              int i;
+              for (i = 0; i < children.size(); ++i) {
+                QObject* obj = children.at(i);
+                if (!obj)
+                  return -1;
+                // Skip if the name doesn't match.
+                if (regExp.indexIn(obj->objectName()) == -1)
+                  continue;
+                if ((typeName && obj->inherits(typeName)) ||
+                  (meta && meta->cast(obj))) {
+                    list += obj;
+                }
+                if (findChildren(obj, typeName, meta, regExp, list) < 0)
+                  return -1;
+              }
+              return 0;
+            }

src/PythonQtStdDecorators.h +7 -1

             #ifndef _PYTHONQTSTDDECORATORS_H
             #define _PYTHONQTSTDDECORATORS_H
             /*
              *
              *  Copyright (C) 2006 MeVis Research GmbH All Rights Reserved.
              *
              *  This library is free software; you can redistribute it and/or
              *  modify it under the terms of the GNU Lesser General Public
              *  License as published by the Free Software Foundation; either
              *  version 2.1 of the License, or (at your option) any later version.
              *
              *  This library 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
              *  Lesser General Public License for more details.
              *
              *  Further, this software is distributed without any warranty that it is
              *  free of the rightful claim of any third person regarding infringement
              *  or the like.  Any license provided herein, whether implied or
              *  otherwise, applies only to this software file.  Patent licenses, if
              *  any, provided herein do not apply to combinations of this program with
              *  other software, or any other product whatsoever.
              *
              *  You should have received a copy of the GNU Lesser General Public
              *  License along with this library; if not, write to the Free Software
              *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
              *
              *  Contact information: MeVis Research GmbH, Universitaetsallee 29,
              *  28359 Bremen, Germany or:
              *
              *  http://www.mevis.de
              *
              */
             //----------------------------------------------------------------------------------
             /*!
             // \file    PythonQtStdDecorators.h
             // \author  Florian Link
             // \author  Last changed by $Author: florian $
             // \date    2007-04
             */
             //----------------------------------------------------------------------------------
             #include "PythonQtSystem.h"
             #include <Python.h>
             #include <QObject>
             #include <QVariantList>
             #include <QTextDocument>
             #include <QColor>
             #include <QDateTime>
             #include <QDate>
             #include <QTime>
             class PYTHONQT_EXPORT PythonQtStdDecorators : public QObject
             {
               Q_OBJECT
             public slots:
               bool connect(QObject* sender, const QByteArray& signal, PyObject* callable);
               bool connect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot);
               bool disconnect(QObject* sender, const QByteArray& signal, PyObject* callable);
               bool disconnect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot);
             #undef emit
               void emit(QObject* sender, const QByteArray& signal, PyObject* arg1 = NULL,PyObject* arg2 = NULL,
                         PyObject* arg3 = NULL,PyObject* arg4 = NULL,PyObject* arg5 = NULL,PyObject* arg6 = NULL,PyObject* arg7 = NULL);
             #define emit
               QObject* parent(QObject* o);
               void setParent(QObject* o, QObject* parent);
               const QObjectList* children(QObject* o);
+              QObject* findChild(QObject* parent, PyObject* type, const QString& name = QString());
+              QList<QObject*> findChildren(QObject* parent, PyObject* type, const QString& name= QString());
+              QList<QObject*> findChildren(QObject* parent, PyObject* type, const QRegExp& regExp);
               double static_Qt_qAbs(double a) { return qAbs(a); }
               double static_Qt_qBound(double a,double b,double c) { return qBound(a,b,c); }
               void static_Qt_qDebug(const QByteArray& msg) { qDebug(msg.constData()); }
               // TODO: multi arg qDebug...
               void static_Qt_qWarning(const QByteArray& msg) { qWarning(msg.constData()); }
               // TODO: multi arg qWarning...
               void static_Qt_qCritical(const QByteArray& msg) { qCritical(msg.constData()); }
               // TODO: multi arg qCritical...
               void static_Qt_qFatal(const QByteArray& msg) { qFatal(msg.constData()); }
               // TODO: multi arg qFatal...
               bool static_Qt_qFuzzyCompare(double a, double b) { return qFuzzyCompare(a, b); }
               double static_Qt_qMax(double a, double b) { return qMax(a, b); }
               double static_Qt_qMin(double a, double b) { return qMin(a, b); }
               int static_Qt_qRound(double a) { return qRound(a); }
               qint64 static_Qt_qRound64(double a) { return qRound64(a); }
               const char* static_Qt_qVersion() { return qVersion(); }
               int static_Qt_qrand() { return qrand(); }
               void static_Qt_qsrand(uint a) { qsrand(a); }
               QString tr(QObject* obj, const QByteArray& text, const QByteArray& ambig = QByteArray(), int n = -1);
               QByteArray static_Qt_SIGNAL(const QByteArray& s) { return QByteArray("2") + s; }
               QByteArray static_Qt_SLOT(const QByteArray& s) { return QByteArray("1") + s; }
-              //TODO: add findChild/findChildren/children/...
+            private:
+              QObject* findChild(QObject* parent, const char* typeName, const QMetaObject* meta, const QString& name);
+              int findChildren(QObject* parent, const char* typeName, const QMetaObject* meta, const QString& name, QList<QObject*>& list);
+              int findChildren(QObject* parent, const char* typeName, const QMetaObject* meta, const QRegExp& regExp, QList<QObject*>& list);
             };
             #endif

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