Use a piece of code to detail the relevant signals emitted when QTableWidget’s cells are clicked (including single-click and double-click) and the content is edited. (1) Mainly include cellChanged, cellActivated, cellClicked, cellDoubleClicked, cellEntered, cellPressed and corresponding item class signals (2) Timing of sending each signal (3) The order in which signals are sent Through the […]
Tag: qtablewidget
QTableWidget table adds and deletes data
QTableWidgetQTableWidgetQTableWidget uses some methods, such as inserting or deleting a row of data in the table and clearing the table data. When adding data, conditional judgments such as regular expressions are set. If the data entered by the user is illegal, the addition will fail and the user will be prompted for the error, making […]
QTableView and QTableWidget use and override QTableView
1 Basic use of QTableView The main difference between the two is that QTableView can use a custom data model to display content (which means that you must first bind the data source through setModel before using it), while QTableWidget can only use a standard data model. Theoretically speaking, the functions implemented with QTableView can […]
QTableWidget uses custom Item
QItemEditorCreator Class QItemEditorCreatorBase Class ——> QStandardItemEditorCreator Class 1. By inheriting QItemEditorCreatorBase, you can register custom Items for QItemEditorFactory and use items to achieve custom effects on QTableWidget. QItemEditorCreatorBase Class Header: #include qmake: QT + = widgets Since: Qt 4.2 Inherited By: QItemEditorCreator and QStandardItemEditorCreator Public Functions virtual ~QItemEditorCreatorBase() virtual QWidget * createWidget(QWidget *parent) const = […]
QTableWidget detailed usage guide
Directory Preface 1 Initialization form 1.1 Set header 1.2 Set column size mode 2 tabular data 2.1 Insert data 2.2 Detailed explanation of QTableWidgetItem 3 Set table style 3.1 Set table background 3.2 Set header style 3.3 Set cell style 3.4 Set the selected row style 3.5 Set border style 3.5 Set alternate background color […]
Qt QtableWidget, QtableView table deletes selected rows, deletes single rows, deletes multiple rows
Article directory Qt QtableWidget table delete selected rows Only one row can be selected. After clicking the button, a row will be deleted. You can select multiple rows and delete multiple rows after clicking the button Select different rows in a column and delete multiple rows after clicking the button Introduction to QTableWidgetSelectionRange QTableWidget selection […]
Qt control-QTableWidget related
1. Purpose List display content 2. Commonly used display and data operation functions 2.1 Common settings Last column settings 1 //Hide the last empty column and automatically stretch the last row with title 2 ui.QTableWidget->horizontalHeader()->setStretchLastSection(true); Column width automatically stretched 1 2 //Initialize table spacing 3 ui.QTableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents); Click to select and edit //Select the entire row […]
04-8_Qt 5.9 C++ Development Guide_Use of QTableWidget
Article directory 1. Overview of QTableWidget 2. Source code 2.1 Visual UI design 2.2 Program Framework 2.3 qwintspindelegate.h 2.4 qwintspindelegate.cpp 2.5 mainwindow.h 2.6 mainwindow.cpp 1. Overview of QTableWidget QTableWidget is a table component class in Qt. After placing a QTableWidget component on the form, you can set its properties in the PropertyEditor. Double-click this component […]
Qt uses QTableWidget to import\export Excel files Qt4
Interface construction Two pushbutton components including Tablewidget are used to open the Excel form and save the tablewidget data to the Excel form. Main program Right click on the interface to open the table button -> go to slot Add the excel plugin to the pro file QT + =qaxcontainer QT + =axcontainer CONFIG + […]
QTableWidget calls removeRow to report segmentation fault
QTableWidget calls removeRow to report segmentation fault QTableWidget calls removeRow to report segmentation fault identify the problem solution problem code snippet QTableWidget calls removeRow to report segmentation fault Problem location Reporting a segmentation fault can be determined to be a pointer problem, and there is a high probability that the array access is out of […]