qt tutorial c

problem.If you want to use an EXE neat release program, you need to use the static compiled version of the QT Library, there are tutorials online, I will not say, can teach you to use off-the-shelf, on the git-hub just have a static QT library:Https://github.com/fostersoftware/QtStaticWindowsHttps://github.com/fostersoftware/QtStaticLinuxThe second one is Linux, the Windows system download the first qtstat

1. Drawing graphics [CPP]View Plain copy protected:void paintevent (qpaintevent *); void Widget::p aintevent ((qpaintevent *event) {qpainter painter (this);//this as a drawing device, that is, drawing on the part Painter.draw Line (qpaint (0, 0), Qpaint (100, 100)); } qpainter painter (this); Will immediately begin drawing on the device, call the Begin () function automatically, and then call the end () function in the destructor to finish drawing. Qpainter painter;//without parameters, you ca

Qt class inheritance graph, QT class inheritance For learning Qt, there is a QT all classes of inheritance chart, is very necessary. The following provides an inheritance diagram for all classes of Qt5.1. When you look at it, you can zoom in and out. If you want to download the document, you can join the last QQ lea

This integral is conditional on the need for you to stay in the host's house for a certain amount of time to get points, specific tips for you to share one. 1, we open QT, and then casually login into a room, and then if we want to listen to listen to here, if not listen to click to set mute as shown in the following figure 3, as long as in the room for an hour we can get an integral, a day can get up to 5 points Note: the rule for getting poin

' clock_gettime 'Modified: Vim src/corelib/makefile plus-LRTLIBS = $ (sublibs)-L/OPT/QT-EVERYWHERE-OPENSOURCE-SRC-4.8.4/LIB-LPTHREAD-LM-LDL-LRT7. Execute the Make install command;8. Modify User Environment variablesExport armqtdir=/usr/local/qt-4.8.4Export path= $ARMQTDIR/bin: $PATHExport manpath= $ARMQTDIR/man: $MANPATHExport ld_library_path= $ARMQTDIR/lib: $LD _library_path9. Test whether the ARM version

-fno-use-cxa-atexit-fno-exceptions tions-dqt_no_debug- i/usr/lib/qt-3.1/mkspecs/default-I. -I/usr/lib/qt-3.1/include-I. UI/-I. MOC/-o. OBJ/main. O main. CPP /Usr/lib/qt-3.1/bin/UIC form_main.ui-I form_main.h-o. UI/form_main.cpp G ++-C-pipe-wall-w-O2-March = i386-mcpu = i686-g-dglx_glxext_legacy-fno-use-cxa-atexit-fno-exceptions tions-dqt_no_debug- i/usr/lib/

at the time of the connection, it's simple to do, just add the library to the. Pro file, as shown in:And then compile again, under normal circumstances will be compiled successfully, into the project directory, we will find a very long name of the folder, which is the QT in the compilation of the time produced by some intermediate files, of course, we compile the generated executable is also in the inside, the name and work name, open the console, En

QT is similar to MFC, also an SDK development package, his advantage is cross-platform. QT is very close to the original ecological C + +, the syntax is simple and clear. In the embedded development or comparative advantage. It gives application developers the functionality they need to build an art-level graphical user interface. QT is completely object-oriented

detailed configuration information. 3. View running results View the running result. If the above steps are successfully compiled, you can view the running result by running the demo that comes with Qt/Embedded. Run on the framebuffer of the host machine: cd$QTEDIR/examples/launcher ./launcher-qws Run on Virtualframebuffer: exportQTDIR=$QTEDIR exportPATH=$QTEDIR/bin:$PATH exportLD_LIBRARY_PATH=$QTEDIR/lib:$QT2DIR/lib:$LD_LIBRARY_

The code is not analyzed here because it is enough in the tutorial. If you are interested, you can check the code yourself. This tutorial comes from the original neheopengl Chinese tutorial (http://www.yakergong.net/nehe/), but it has a bad place, that is, when I go to see, it can not download the code ~~~~ Maybe my character is poor. It can be used as a referenc

[QT Tutorial] 30th XML (iv) using stream to read and write XMLLandlord posted on 2013-5-22 13:03:33 |Views: 611 | Replies: 0 Using streams to read and write XMLCopyright notice this article original in the author Yafeilinux, reproduced please indicate the source.Introductory lead introduced two new classes from QT 4.3 to read and write XML documents: Q

Http://blog.csdn.net/pan869823184/article/details/7360041 Linux window program design-qt4 wonderful instance analysis books and code Http://www.verycd.com/topics/2765323/ Instructor Ding linsong's QT video-install and configure the QT EnvironmentOnline playback: http://www.boobooke.com/w/bbq2021: Http://www.boobooke.com/w/bbq2021.zip Instructor Ding linsong's QT

corresponding type through the conversion function, as shown in figure QDomElemente=n.toElement(); If you only want to read and display the entire XML file, it is a good choice, because it provides a simpler interface than DOM, and it does not need to read the entire XML file into the memory at a time, this can be used to read large files. The QtXml module of Qt provides a QXmlSimpleReader class, which is a SAX-based XML parser. This parser is

Qt tutorial 1-14 steps in total This tutorial describes how to use the QT toolkit for graphic user interface programming. It does not cover everything: It emphasizes teaching a programming idea of graphical user interface programming, and introducing QT features is also nec

Chapter 1 Hello world! Okay. Now let's learn how to use QT designer to design our QT application. Now let's make some preparations. We 'd better create a separate folder for every QT program, In this way, we can more easily use the tools provided by QT for us, such as qmake. [Root @ localhost test] # mkdir/root/designe

Recently contacted graphical GUI programming, try to use QT Cross-platform language to write, but the IDE deployment of QT, encountered a lot of problems, online search to the general comparison of the old, so write a summary for your reference. The main installation of the system is linux,windows and Mac is not involved. Mode 1: Official online installation program Download the online installer on Qt's off

1. OverviewQcustomplot is a super ultra-compact Qt drawing class, very beautiful, very easy to use, Only need to add a qcustomplot.h and qcustomplot.cpp files can be used, far more convenient and beautiful than QWT, you can use the two source files themselves can also be compiled into library files, very convenient.Official website: http://www.qcustomplot.com/1.0:http://download.csdn.net/detail/czyt1988/5986701Here's a look at its super-powerful featu

During the training this semester, I used MFC for an airplane war. It was boring. I always wanted to use Qt for a war, but I was very bored at school. I came back and looked at it. The first problem that needs to be solved is the movement of pictures. How can we say that planes and bullets are moving? Of course, images must run. Let's take a break. First, use QtCreator to create a QtGui program named PaintWidget. These three files will be generated.