Qt no such slot qwidget

Signals and slots in QT - C++ Forum Hi I just started using QT but I have much problem with signals and slots. It seams quite easy but I can't grasp it for quite a time.. I've build such a testing program for this: Qt in Education The Qt object model and the signal slot concept The QObject QObject is the base class to most Qt classes. Examples of exceptions are: Classes that need to be lightweight such as graphical primitives Data containers (QString, QList, QChar, etc) Subclassing QWidget | C++ GUI Programming with Qt4: Creating ... Subclassing QWidget. Many custom widgets are simply a combination of existing widgets, whether they are built-in Qt widgets or other custom widgets such as HexSpinBox. Custom widgets that are built by composing existing widgets can usually be developed in Qt Designer: Create a new form using the "Widget" template. QWidget Class | Qt Widgets 5.12.3

The problem is most probably this: SLOT(this->ResponseOneClicked()) - remove this->. No need to use QObject:: in front of connect. No need to use this-> in this->disableAndHide(); No need to use this-> in this->getResponseOne() Why do you call this->getResponseOne() to get the pointer to the button? Don't you have the pointer in the same class ...

The QObject QObject is the base class to most Qt classes. Examples of exceptions are: Classes that need to be lightweight such as graphical primitives Data containers (QString, QList, QChar, etc)Classes that needs to be copyable, as QObject s cannot be copied Signals and slots in QT - C++ Forum Dec 04, 2012 · Hi I just started using QT but I have much problem with signals and slots. It seams quite easy but I can't grasp it for quite a time.. I've build such a testing program for this: QWidget emit a signal when resizing - Qt Bug Tracker The signal should be overloaded with another signal that includes a QSize parameter instead of the two int parameters (suggestions made by looking at the QWidget::resize() prototypes). The best use case is actually.. any. Having such signal would allow developers to resize a QLabel, a QLineEdit, ect. with a simple signal-slot connection.

[SOLVED] Simple QT Question: Connecting Widgets to Slots

QStackedWidget provides no intrinsic means for the user to switch page. ... ( QWidget * widget) [slot] ... or 0 if there is no such widget. A Qt way: Automatic Connections: using Qt signals and slots ... One key and distinctive feature of Qt framework is the use of signals and slots to connect widgets and related actions. But as powerful the feature is, it may look compelling to a lot of developers not used to such a model, and it may take some time at the beginning to get used to understand how to use signals and slots properly. QStatusBar Class | Qt Widgets 5.9 The QStatusBar class also provide the messageChanged() signal which is emitted whenever the temporary status message changes. Normal and Permanent messages are displayed by creating a small widget ( QLabel , QProgressBar or even QToolButton ) and then adding it to the status bar using the addWidget () or the addPermanentWidget () function. New Signal Slot Syntax - Qt Wiki Connecting in Qt 5. There are several ways to connect a signal in Qt 5. Old syntax. Qt 5 continues to support the old string-based syntax for connecting signals and slots defined in a QObject or any class that inherits from QObject (including QWidget)