Linux QT Configuration

Does want to does programming in Linux? Probably you need C + + programming environment in Linux. Then you need a GUI programming toolkit for C + +. You can choose C + + with the Qt Framework programming environment in Ubuntu. I'll show you what to get them all (complete with C + + library and an IDE) Ubuntu 15.04. Magically, you get them all just by installing Qt Creator.

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Qt Creator, C + +, and Qt Framework

About Build-essential

the  build-essential  is a metapackage (package, pull another packages) to install all C + + Programmi NG tools in Ubuntu. If you install it, you'll get  GNU g++   (a most used C + + compiler),   GNU Gcc  (A most used C compiler),   make   (a build utility),   Libc-dev   (a collection of the GNU C Library), and  Dpkg-dev   (a collection of dpkg tool for developing D Ebian package). In Ubuntu 15.04, you already got them all pre-installed. Need to install it again.

In Ubuntu 12.04, the still need to the install Build-essential by command

sudo apt-get install build-essential

Install Qt Creator

By the GUI, you can use the Ubuntu software Center to search qt creator and install it.

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Installing Qt Creator by GUI

By Terminal, you can use the This command:

sudo apt-get install Qtcreator

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Installing Qt Creator by Terminal

It'll download approximately to packages. It needs approximately 144 MB disk space when finished.

Install Qt Framework Complete Documentation

By default, you get the no documentation by just installing qtcreator package. If you need QT examples, demos, complete documentation, so can read it inside QT Creator offline, install them by this Command.

sudo apt-get install Qt5-doc qtbase5-examples qtbase5-doc-html

• Qt5-doc : This package contains Qt 5 API documentation.

• qtbase5-examples : This package contains Qt base 5 examples.

• qtbase5-doc-html : The contains the HTML documentation for the QT 5 base libraries

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Qt C + + program Examples

Using Qt Creator

for first usage, you can create a C + + GUI program by using the QT Widget Project option in Qt Creator. Actually. Many other project templates, and for the first time you should a try this first. Create it by menu New File or Project (CTRL + N) > select Project > select Qt Widget application > Press Choose but ton > Type your project name > Next, Next, and finish. To compile your C++/QT project, press Run button (green triangle icon in the left panel) or just ctrl+r. See picture below.

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Selecting Project 650) this.width=650; "src=" Http://www.th7.cn/d/file/p/2015/05/26/530e4634899d2c5870330f4b96430f20.png "style=" border:0px;margin:0px;padding:10px 0px; "alt=" 530e4634899d2c5870330f4b96430f20.png "/> Running Program

Using Qt Documentation

1. C++/QT Examples -After installing those three packages, open Examples sections in Qt Creator. You'll see the many C++/QT program examples. Click One and you have it. Just Run (ctrl+r) you build and execute it. See picture below.

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Running C++/QT Example

2. QT API Reference  -you get also Qt API documentation completely. Need Internet to read it. For examples, if-use-a Qt Class in your source code, say it Qpushbutton, just put your cursor on the that text, and press F1. Qt Creator would show you the Qpushbutton Class API Reference in Right panel. See picture below. See the right panel.

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left Panel Qt API Reference documentation

you get also complete QT API References for whole QT Framework. To see them, open Qt Creator > Click help icon on the left panel > select Qt 5.x.x Reference from left entry > SE E documentation on the right panel. You also has all the rest of another QT related documentation (such as Qt Dbus, Qt Designer, Qt Quick, and many more Manu ALS) on the same left panel. See picture below.

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complete Qt Framework Documentation

3. QT Creator IDE Documentation  -you get also Qt Creator IDE documentation. It is a comprehensive help in Qt Creator usage as an advanced editor. Get all your need here. To see it, just open Qt Creator and click Help icon on the left panel and click Home icon on top panel. Should configure it first to show the Main Page by menu Tools > Options > Help > Tab documentation > A DD > the file path is  /usr/share/qtcreator/doc/qtcreator.qch  . See picture below.

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Qt Creator IDE Documentation

Reference

Linux QT Configuration