How to use signal and slots for handling events i.e when a pushButton is clicked somenumber should be displayed in 开发者_StackOverflow社区QLineEdit.Just like in caluculator application when a number
I’m wondering if anyone has a solution for a problem I’m having when using a draggable legend in conjunction with multiple axes.
I have a QTableWidget and I want to disable the behavior that a row or column is selected when you click on a row or column header.
I have a list of lists I have to show to the user. When the user clicks on an element of the first list the second view must update to show the \"childs\" of the clicked element.
I want to download some files using QT but I don\'t know what\'s the best way to do it. I was thinking of a DownloadQueueItem that will manage the QNetworkRequest/QNetworkReply for each file and a QLi
I have the following situation here: I do some drawing on a graphics scene, in one type of central widget, and some times this also involves scrolling the scene. Then the user clicks somewhere else in
Is it possible to set widget in center of dialog or windows in QDesigner, sa开发者_运维知识库y I have a widget contain 3 line edits and labels and I want to set this widget in center of window.In late
I wish to add items in a ListWidget, which is a private member of a class, through a friend function. Actually, i am trying this sample snippet to use friend function for more classes to update their
What is a QVariant and when sho开发者_运维知识库uld it be used?QVariant is used to store references to values where you don\'t necessarily know what is inside.It\'s a way to create APIs that can accep
I have the following code for setting an SQLite database in a QT for Symbian project QSqlDatabase db = QSqlDatabase::addDatabase( \"QSQLITE\" );