foundations of qt development

QT Development (22)--qmainwindow main window I. Introduction of the main windowThe main window in the application is a top-level window that interacts with the user for a long time, providing most of the functionality of the application, usually the first window after the application is launched, which typically consists of a main window and multiple dialog boxes.QT directly supports the main window, Qmainw

Build the Qt development environment in Linux I have been using Qt4 In the Ubuntu software center to develop Qt applications. Now I want to go to Linux for Qt5 development. However, I have to download the corresponding installation package from the official Qt website, which

For more information about the development environment using QT-general Linux technology-Linux programming and kernel, see the following. Younger brother, recently bought a red-flag Linux installation CD, because it is the first time to use Linux, so many things do not understand. I have been learning MFC under Win. Recently I am interested in learning QT, so

We will introduce some tutorials on the MeeGo development environment after the introduction of tutorials such as the UI design basics for the development of MeeGo mobile terminal devices. Some may ask, "Why do you need to do this more? Careful friends may find that I don't need to compile QT4.7 but use the QT4.7 SDK to build the environment here. It usually takes about one afternoon to compile QT4.7, but i

I started to study QT from the end of last month because the unified platform for the new project needs to be developed using QT. However, I have never felt that I am getting started. I don't know why, but I have implemented many functions, however, I don't know why, just like the current project. I used plug-ins for development. I generally know what plug-in-typ

Let QT Creator support Windows Phone 8 developmentRecently the QtCreator3.2 out. Fixed some bugs. Better than the previous version number 3.1.2.Since the previous version number (Qt for WINRT) has some problems with packaging, I downloaded the IDE to try it out today. When I started to set up a development environment for Windows Phone 8, there was always no succ

Linux Program Development: multi-thread programming in QT-general Linux technology-Linux programming and kernel information. For details, see the following. As a cross-platform GUI system based on C ++, Qt provides powerful functions for users to construct graphical user interfaces. To meet the user's need to construct a complex graphic interface system,

The development of COM components in QT is really scary, because it is not a simple call, but requires someone to package COM and then use methods and classes in COM on the basis of packaging. We get used to the convenience brought by the VC compiler. Through the VC compiler, we only need to directly import the component compiler to automatically export the tlh description file of COM, next, the user can ea

Enter the download directory in terminal input: tar xvf qt-embeded-linux-opensource-src-4.5.0_20100601.tar.bz-C/ Decompress eabi-4.3.3_embedsky_20100610.tar.bz2 Input in terminal: tar xvf EABI-4.3.3_EmbedSky_20100610.tar.bz2-C/ 7. modify environment variables The modified content is as follows: Use environment variables to take effect Compile arm_qt-4.5_build After the compilation is successful, the system prompts: Finishedinstall Qt4.5! If g

BOok descriptionWhile buzz often circulates around iPhone and Android, Nokia still leads the pack in terms of world market share. symbian, for instance, remains the most widely used mobile operating system. with the emergence of Nokia's open development platforms, the opportunities available for mobile developers to target these vastly popular operating systems are clear. Beginning Nokia apps DevelopmentIs step-by-step guide that introduces mobile

contains many executable files and source code that can run. A qt4-designer is a designer used to design a GUI. To connect to the MySQL database, install the MySQL DRIVER:Sudo apt-Get install libqt4-sql-mysql It is much easier to install and configure the QT MySQL driver in windows. If you need other QT libraries that are not installed by default, you can enter sudo apt-Get install libqt4 in the command li

Yfy002, written by 'ququtech, announced on the 19th that it had released the latest version of its cross-platform development software QT 4.1, which is the first functional version of the QT 4 series. Qt 4.1 enhances the stability and performance of the software and adds many new features and features. Main features a

Qt is a cross-platform C + + graphical user Interface application Development framework developed by QT Company in 1991. It can either develop GUI programs or be used to develop non-GUI programs, such as console tools and servers. Let's start by simply using QT to develop a gadget pageImportOs,sys,time fromPyQt5ImportQ

, use at least GCC 4.8.4 and have g++ functionality. But GCC4.8.4 has moved to C + +, so the question is, how do I install the higher version of GCC? GCC 4.8 Release Series changes, New Features, and FIXES:GCC now uses C + + as its implementation language. This means the to build GCC from sources, and you'll need a C + + compiler that understands C + + 2003 Https://gcc.gnu.org/gcc-4.8/changes.html You can install a lower version of GCC:) And then you'll be happy to compile