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No such slot error





If I do it without using any parameters it works nicely, like this: connect(this, dr bonuso signal(temp m_parent, slot(settemp But when adding parameters of type int it fails with the "No such slot" error, like this: connect(this, signal(valueChanged(int m_parent, slot(setslider(int Please study the code below and help.
The time now is 10:25.
Qt, object : connect : No such slot, qDialog:findClicked main.
Qt:CaseSensitivern : Qt:CaseInsensitive;rn if rn emit findPrevious(text, cs rn else rn emit findNext(text, cs rn rnrnrnvoid QString text)rnrn FindDialog:findNext(const QString str, Qt:CaseSensitivity cs)rn rn QMessageBox:Cancel,QMessageBox:Ok rn rnrnvoid FindDialog:findPrevious(const QString str, Qt:CaseSensitivity cs)rn rn QMessageBox:Cancel,QMessageBox:Ok rn rnrncgui Qt4 No such slot QDialog:findClicked.You still should be using the Q_object macro though and you can read more about the new syntax here).M_value) m_value value; emit valueChanged(value signals: void valueChanged(int newValue void temp private: int m_value; QObject *m_parent; ; #endif / mytest_H #ifndef mytest_H #define mytest_H #include QObject class myTest: public QObject Q_object public: myTest(QObject *parent) : QObject(parent) m_value 0; m_parent parent; connect(m_parent, signal(sliderX(int this, slot(setValue(int connect(this.Q_objectqobject:connect: No such slot.Slot, object : connect : No such slot, codec#include "mainwindow.Cpp rn#include rnrn#include *parent)rn : QDialog(parent)rnrn label new QLabel(tr Find what rn lineEdit new QLineEdit;rn caseCheckBox new QCheckBox(tr Match case rn backwardCheckBox new QCheckBox(tr Search backward rnrn findButton new closeButton new QPushButton(tr Close rnrn connect(lineEdit, signal(textChanged(const QString rn this, slot(enableFindButton(const QString rn connect(findButton, signal(clicked.No matching signal for on_xxxxx_xxxxx on_ connect connect connect, qMetaObject:Connection 1 /Connect a signal to a pointer to qobject member function 2 / qobject 3 4 template typename Func1, typename Func2 5 static inline QMetaObject:Connection connect( 6 const typename *sender, 7 Func1 signal, 8 const.QObject, q_object public: myTest qObject *parent) : QObject (parent) m_value 0; m_parent parent; connect(m_parent, signal(sliderX(int this, slot(setValue(int connect(this, signal(temp m_parent, slot(settemp connect(this, signal(valueChanged(int m_parent, slot(setslider(int emit temp emit valueChanged(100 int value const return m_value; public slots: void setValue(int value) if (value!24 / 25 SignalType:Arguments, typename 26 "Signal and slot arguments are not compatible.27 / 28 SlotType:ReturnType, typename 29 "Return type of the slot is not compatible with the return type of the signal.H" int main(int argc, char *argv) QApplication a(argc, argv QDeclarativeView view; tSource( QUrl QObject *object otObject QDeclarativeContext *context otContext myTest test(object test ow return.exec #include QApplication #include QWidget #include QtGui #include #include #include "myTest.I mean about the QDeclarativeContext and the pointer variables?In this situation you can do this: - connect(network_manager, this, Class1:finishedSlot What's great about this syntax is that you just specify the address of the function and don't bother about the parameters, so if you change them in a function, you don't need to update.Thanx in advance Reply With" 22nd January 2014, 02:25 #5 Re: Signal from Qt to Qml function not working when using parameters.I would try to use QVaraint as slot parameter type (and correct signal too).One thing to note; since you're using Qt 5, there's a new signal slot connection syntax, which will allow you to specify any function and not just those defined as slots.Cpp rn#include rnrn#include "finddialog.I don't think.How exactly the functioning is happennig?0, to copy to clipboard, switch view to plain text mode #ifndef mytest_H #define mytest_H #include QObject class myTest: public.I want to send a signal from my c class to a qml function/slot.
0, rectangle color: 545454" width: 300; height: 300 / Signals signal sliderX(int X) / Slots function settemp lue 50; function setslider(value) lue value; Dial id: dial anchors.
So what kind of parameter type should be in C code?




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