Top "Qt5" questions

How to update/redraw QChart after data is added to QLineSeries?

I am generating some data that I want to chart using QChart & friends. This is my first time using …

c++ qt qt5 updates qchart

unable to include a ui_form header of QT5 in cmake

My CMakeLists.txt looks something like : cmake_minimum_required(VERSION 2.8) if(CMAKE_BUILD_TYPE STREQUAL Release) SET(CMAKE_BUILD_TYPE …

cmake qt5

How to insert QChartView in form with Qt Designer?

I want to add QChart to the form. But I can't find it in the Widget Box. So I created …

qt qt5 qt-designer qchart qchartview

How do you port QUrl addQueryItem to Qt5's QUrlQuery?

In Qt 4, the following code using QUrl works: QUrl u; foreach (const settings::PostItem & pi, settings.post) u.addQueryItem(…

qt qt5 qurl

QT5 QWebView linker errors

Right now I'm just trying to get 'www.google.com' to load in a webview when a button is pressed. …

qt-creator linker-errors qtwebkit qwebview qt5

Deploying Qt5 on Windows without Hardware Acceleration

Qt5 can use the OpenGL driver or the DirectX Driver by using ANGLE. As we cannot depend on an installed …

windows qt opengl deployment qt5

How to include child mouse hover events in the parent MouseArea using QML?

I want to implement the following scenario in QML. Here is a sample/simplified delegate for ListView element: Component { Item { …

qt qml qt5 qtquick2

Qt add menuBar, menus, and sub menus to QMainWindow

I have a hard time adding menu Bar, menus and sub menus to Qt QMainWindow programmatically. The following code produces …

c++ qt qt5 qmainwindow qmenubar

No keyboard input in Qt Creator after update to Qt5

I have this strange situation that after updating Qt from 4.8 to 5.3, Qt Creator (v.3.2.1) will not take any keyboard input. …

qt-creator qt5

Disconnecting lambda functions in Qt5

Is it possible to disconnect a lambda function? And if "yes", how? According to https://qt-project.org/wiki/New_Signal_…

c++ lambda qt5