Qt radio button signal slot

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c++ - Qt Radio Button вызывает только SLOT(), когда …

3.3. Signals and Slots. The most important features of Qt are signals and slots. Signals tell you that something has just happened. Signals are emitted (sent) when the user works with the computer. For example, when the user clicks the mouse or presses keys on a keyboard a signal is emitted. Signals and Slots in Depth | C++ GUI Programming with Qt4 ... Exceptionally, if a signal has more parameters than the slot it is connected to, the additional parameters are simply ignored: connect(ftp, SIGNAL(rawCommandReply(int, const QString &)), this, SLOT(checkErrorCode(int))); If the parameter types are incompatible, or if the signal or the slot doesn't exist, Qt will issue a warning at run-time if ... New Signal Slot Syntax - Qt Wiki

As you might have seen in the previous example, the slot was just declared as public and not as slot. Qt will indeed call directly the function pointer of the slot, and will not need moc introspection anymore. (It still needs it for the signal) But what we can also do is connecting to any function or functor:

Jan 15, 2013 ... #include #include "form.h" Form::Form(QWidget *parent) : QWidget( parent) { ui.setupUi(this); connect( this->ui.pushButton, SIGNAL( ... No such signal QRadioButton::toggled() - Qt Centre Aug 14, 2006 ... "Object::connect: No such signal QRadioButton::toggled()" I was looking through ... I am trying to enable / dissable a tab based on a radio button choice. .... If you have similar slots for other tabs, consider using QSignalMapper.

QRadioButton Class | Qt Widgets 5.12.3

What do u try to make it do with one button ? for combobox connect(ui->radioButton_co,SIGNAL(clicked(bool)),ui->comboBox_co,SLOT(setEnabled(bool))); should work. But not sure it works as you want as radio buttons normally comes in a group. If you just have 1 radiobutton, its not possible to unselect it again. Exposing a qml signal to a C++ slot for qserialport. | Qt Forum Hi Guys, Thanks for looking firstly, im trying to expose a simple signal from qml to my C++ code and i thought i could do it the way ive added below, i dont get any errors but i also dont get any action. Radio button and if statements C++ | Qt Forum I read this post on Stackoverflow [1] about remembering the last checked Radio button but I could not implement it in my program. I have 5 radio buttons, 1) A , 2) B , 3) C , 4) D , 5) F - I want to have an if statement so when radio button # 1 is selecte... QT connect signal to slot - YouTube

... Major Classes, Using Qt Designer, Signals and Slots, Layout Management, ... Hence, only one of the radio buttons in the parent window can be selected at a ...

SOLVED: Qt Radio Button only call SLOT() when button is ... When changing the radio button from one to the next, this SLOT() is called twice, once for de-selecting the previously selected radio button, and once for selecting the clicked radio button. I was wondering, is there a way to modify my SLOT() to only occur in one of these cases, when the clicked item becomes checked? Thanks. Posted in S.E.F How to know which radiobutton is clicked if they are ...