Some question as i am begginer in Qt and want to do a lot !
1. how launch Examples and Demos Launcher !
i read this page http://doc.trolltech.com/4.7/qtdemo.html and it was not there as it said !
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2.i am beginner in Qt but really OK in C++ language (for 3 years), i want to make a CBIR app, which load images from local disk and sort them by visual similarity, i heard Qt has variety in user interface design and that’s why i chose it. but i don’t know to start from where in Qt?! do i need to make Qt C++ app or Qt quick app !?
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3. i already start and make user interface which has QTreeView in left and QGraphicsView in right side i want to by clicking on local disk directory load images into the right side, but i don’t know what library or widget i have to use !
Thanks in Advance.
7 replies
1. how launch Examples and Demos Launcher ! i read this page http://doc.trolltech.com/4.7/qtdemo.html and it was not there as it said !
Reinstall Qt. Go to http://qt.nokia.com/downloads and download the SDK or the library version, do a full install. It’s got to be there! If you compile Qt from scratch, make sure you compile the examples.
For your Tree You want to create a QFileSystemModel http://doc.qt.nokia.com/latest/qfilesystemmodel.html and then set the QTreeView’s Model to this that should make most of the file directory stuff pretty simple.
A C++ app will probably be simpler if you are making a desktop app where as the Qt Quick app would allow you to possibly do some fancier things with animation and so forth if you wanted to head down that track.
1. how launch Examples and Demos Launcher ! i read this page http://doc.trolltech.com/4.7/qtdemo.html and it was not there as it said !Reinstall Qt. Go to http://qt.nokia.com/downloads and download the SDK or the library version, do a full install. It’s got to be there! If you compile Qt from scratch, make sure you compile the examples.
there has been a similar thread about this : [developer.qt.nokia.com]
A bug report has been made in the bugtracker.
Please follow this link and vote for it [bugreports.qt.nokia.com] if you really want to have it in the future. (you need to register once to login, but that’s not hard to do )
I did what you said nothing change about Examples and Demos Launcher, also before i install the full SDK!
Thanks for your opinion.
1. how launch Examples and Demos Launcher ! i read this page http://doc.trolltech.com/4.7/qtdemo.html and it was not there as it said !Reinstall Qt. Go to http://qt.nokia.com/downloads and download the SDK or the library version, do a full install. It’s got to be there! If you compile Qt from scratch, make sure you compile the examples.
Thanks everyone, for your help,
let me explain what exactly i need to do:
i want to load images from a folder from QTreeView to the QGraphicsView (from left side to right side) and show images in thumbnail and with their info.
This my User interface:
This is What i want to implement:
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i need to know what is best way to do it and which library to call?
What kind of object i have to make to load each image inside of it and show its information ?!
thank you in advance.
Thanks everyone, for your help, let me explain what exactly i need to do:
This aspect is already being discussed in this thread [developer.qt.nokia.com] you created. Please don’t duplicate the content here.
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