foundations of qt development

1. Environment Construction: 31.1, installing Qt 31.2, installing the Microsoft Windows SDK Debug Package 62. Using Mxdraw controls in Qt 71.3, introducing controls 73. Open DWG file 111.4, add Open File button 111.5, using QT 13 in VS Environment Construction: 1.1. Install QtWebsite address: http://qt-pr

1. Required Software tools:(1) OpenCV Development Library,2.4.9 version, including source files (sources folder) and compiled files (build folder), but it's best to compile it yourself using CMake . otherwise easy error. (2)Qt Creator, download the latest version on the official website, select the MinGW version number. (3)CMake, download the latest version of the website. 2, install OpenCV. To extract the

permanent:[Python]View Plaincopy [[email protected]local] #vi/etc/profile// modify environment variable NBSP;NBSP; Append the following two lines of code to the end of the file:[Python]View Plaincopy Path=/usr/local/cmake/bin: $PATH Export PATH Then perform the following actions:[Python]View Plaincopy [[email protected]local] #source/etc/profile//make the modification effective NBSP;NBSP; [[email protected] local] # echo $PATH//view PATH value Inspection

, generally OK, you can open the Q T create a new Qwidget project run, if OK is all done. environment variable Configuration if you want to use qmake under a terminal, you must configure the environment variable. Otherwise, you will be prompted-bash:qmake:command not found //Open terminal Bash_profile file VI ~/.bash_profile//Add the following (xxx means your user name) export Qtdir=/users/xxx/qt5.5.0export ld_library_path= $LD _ Library_path: $QTDIR/libexport

Enable Qt Creator to support Windows Phone 8 Development and qtcreator Enable Qt Creator to support Windows Phone 8 Development Recently, QtCreator3.2 has fixed some bugs, which are better than the previous version 3.1.2. The previous version (which comes with Qt for WinRT)

Due to the project development reasons, the need to configure the QT CREATOR+OPENCV2.4.2+MINGW development environment, the configuration method is summarized as follows:1. Download the software Prerequisites QT SDK for Open Source C + + development on Windows (sear

Qt for Android Development Big Pit Author: Qyvlik Qt 5.5.1 Here's a talk about the more common Qt development in the big pits of Android. Hope that the students do not make unnecessary struggles, skip these pits.Input boxThe first is the input box, and Qt's

Qt is a cross-platform C ++ Development Library. The design idea is that the same C ++ code can be used on Windows, Linux, MacOS, and other platforms without modification. Qt was originally owned by Trolltech and later acquired by Nokia. Now Qt has been able to develop the Nokia smart mobile terminal app. Today, we wil

Let QT Creator support Windows Phone 8 developmentRecently QtCreator3.2 out, fixed some bugs, better than the previous version of 3.1.2. Since the previous version (Qt for WINRT) had some problems with packaging, I downloaded the IDE to try it out today. At first I wanted to set up the Windows Phone 8 development environment, but there was always no success. Fina

Atitit. Software Development GUI Layout Management Pros and cons summary java swing WPF Web HTML C + + qt php ASP. WinForm1. Absoluti layout (regular use) 12. Flow layout (infrequently used) 13. BorderLayout (infrequently used) 14. BoxLayout ( HTML default layout) 25. CardLayout (tab layout) 26. GridLayout 37. GridBagLayout 38. Fixed positioning (infrequently used) 31. Absolutilayout (often used)to set the

QT Development (47)--database driver layerthe drive layer is for specific databases andSQLThe interface layer provides the underlying bridge, the main classincludeQtSQLModulein theQsqldriver,Qsqldrivercreator,Qsqldrivercreatorbase,Qsqldriverpluginand theQsqlresult. First,QsqldriverQsqldriver is to visit the specific SQL the abstract base class of the database, which cannot be used directly. If you want to c

/attachment/mon_0807/26_42555_1a35a23af2e7ffc.png'); "src =" http://www.qtcn.org/bbs/attachment/Mon_0807/26_44055_1a35a23af2e7ffc.png "border = 0> You can use a command to complete these operations without compiling the source code. It is a practical tips to use the tab key to list all optional software packages without knowing the name. In my project, I also need to draw some data curves and statistical charts, which are provided by a third-party QWT library. Similarly, you only need one comman

operations without compiling the source code. It is a practical tips to use the tab key to list all optional software packages without knowing the name. In my project, I also need to draw some data curves and statistical charts, which are provided by a third-party QWT library. Similarly, you only need one command to complete the installation: Sudo apt-get install libqwt5-qt4 libqwt5-qt4-dev Open Qt Designer and you will find that the "Qwt widgets" gr

Build a Windows development environment based on QT 5.7.0 for AndroidThis article belongs to reprint original address https://my.oschina.net/armsky/blog/740645First, download the software1.jdk:jdk-8u102-windows-i586.exeHttp://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.htmlHttp://download.oracle.com/otn-pub/java/jdk/8u102-b14/jdk-8u102-windows-i586.exe2.sdk:android-studio-bundle-

Application Development in Linux: Internal Process Communication of QT Http://www.lupaworld.com/tutorial-view-aid-7177.html As a cross-platform C ++-based GUI system, QT provides powerful functions for users to construct graphical user interfaces. Since the release of QT in 1996 by trolltech, the system has become the

Let's learn a little bit of knowledge, is the timer time, system time, as well as random number, here to explain that the event and signal is not the same, do not confuse, the surface appears to be to trigger a function, in fact, you can understand the time he is more inclined to the bottom of some one. Timer Event We actually learned about the timer QT Development (v)--project combat: Stopwatch, the use of

Qt mobile app development (III): Use sprite images for Frame Animation In the previous blog, we talked about the general support of Qt Quick for animation. Different types of animation can be combined with different interpolation functions to achieve almost all the animation effects you want, for some special effects of the game, such as frame animation,

The development environment is Linux + QT. The function is to send messages over TCP and UDP, detect USB flash drive plugging, and port syszuxpinyin on the arm end. The following is my work summary. Below is: About TCP and UDP: WorkStatusAndSummary Working Condition:1. the TCP communication module in QT is called and tested on the board. The A8

Before installing the QT Integrated Development Kit, you need to install the build-essential and libncurses5-dev development tools and libraries, the libncurses5-dev library is a graph function library widely used in Linux/Unix, build-essential includes some necessary tools for development in Linux. In Ubuntu, we use

QT is an open source graphics development library that is published using open-sourced and commercial dual protocols, and now many of the graphical open-source software uses QT.: Http://qt-project.org/downloads1. Download the installation packageYou can download the compiled binary installation package from the downloa