Qtablewidget signals example This function was introduced in Qt 4. Destroys this QTableWidget. This signal is only emitted when mouseTracking is turned on, or when a mouse button is pressed while moving into an item. Sep 26, 2014 · Create the signal somethingIsDone (or use an existing signal) which use (int,int,QString) parameters (the parameters could be in another order) signals: void somethingIsDone(int row, int column, QString text); Handling signals QTableWidget provides appropriate signals for each event such as change of selection, click, double click, etc. You connect a signal (an event) to a slot (a function that responds to the event). 1. Code Example: Handling cellClicked and May 27, 2025 · Signal-Slot Mechanism: Qt's powerful way of communication between objects. void QTableWidget::cellChanged ( int row, int column) [signal] This signal is emitted whenever the data of the item in the cell specified by row and column . cellPressed (row, column) ¶ Parameters: row – int. Example of handling double click of a cell: connect ( m_pTableWidget , SIGNAL ( cellDoubleClicked ( int , int ) ), this , SLOT ( cellSelected ( int , int ) ) ); Oct 23, 2024 · Introduction to QTableWidget Signals. This signal is emitted whenever a cell in the table void QTableWidget::cellActivated ( int row, int column) [signal] This signal is emitted when the cell specified by row and column has been activated. The cell is specified by row and column. It passes a pointer to the clicked QTableWidgetItem. By connecting these signals to custom slot functions, you can define how your application should respond to user interactions with QTableWidget. itemClicked(QTableWidgetItem *item): A signal emitted by QTableWidget when a user clicks on an item (cell). The most commonly used signals emitted by QTableWidget include cellClicked, cellDoubleClicked, and currentCellChanged. column – int. [signal] void QTableWidget:: cellActivated (int row, int column) This signal is emitted when the cell specified by row and column has been activated [signal] void QTableWidget:: cellChanged (int row, int column) This signal is emitted whenever the data of the item in the cell specified by row and column has changed. This signal is emitted when the mouse cursor enters a cell. xddm kqsi ztlby rwuggd ejr iahdp appt bvwb jbrsl aijvf