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Forum: Newbie

Newbie to Qt? Ask your questions here.

  1. How can I create a vcproj file with specific subfolders with QMake

    Hi all! I'm trying to figure out how to write a .pro file that I can use to generate a vcproj file (VS2003) that would reflect the file structure...

    Posted By murrekatt
    • Replies: 1
    • Views: 26
    Today 11:12 Go to last post
  2. QImage and Qt 4.5.3

    Hi; I developped an application drawing images using QPainter. First on OpenSUSE 11.0 with Qt 4.4.0, and it WORKS and print pictures, but have...

    Posted By halmassi
    • Replies: 7
    • Views: 73
    Today 10:48 Go to last post
  3. Problem with reffering to images (and another data files)

    My Qt app folder looks like this: - bin - data In 'bin' there is the .exe file, and in 'data' there is a folder called 'icons' and there are a...

    Posted By kremuwa
    • Replies: 9
    • Views: 87
    Today 10:45 Go to last post
  4. Question Signal/slot or direct method call within a class

    I am starting out with Qt and think I have grasped the basic concepts such as signals and slots for conveying events such as button clicks from the...

    Posted By mike_the_tv
    • Replies: 2
    • Views: 32
    Today 10:41 Go to last post
  5. Exclamation A little calculator problem

    OK so I started to make a calculator program and was compiling while I was coding (that's why the code isn't complete), and it gave me these errors....

    Posted By bijan311
    • Replies: 17
    • Views: 207
    Today 09:51 Go to last post
  6. QListWidget size

    I have tried finding the answer to this and as a last resort i am posting here to see if any one can help. I have a QLlstWidget to which I add 4...

    Posted By dubstar_04
    • Replies: 5
    • Views: 82
    Today 05:46 Go to last post
  7. delete QWidget

    As we know a widget is will be delete when the parent is delete, but if i just want to delete itself without release the parent, how to do this? Is...

    Posted By yxtx1984
    • Replies: 1
    • Views: 27
    Today 05:17 Go to last post
  8. 2D OpenGL text rendering with existing app

    I have an existing C++ MFC app which renders to a 3D OpenGL view. I'd like to use Qt to render 2D text over the 3D scene. I found the below...

    Posted By bytebucket
    • Replies: 5
    • Views: 31
    Today 02:05 Go to last post
  9. Question [HELP] window won't show after build

    Hello! I'm completely new to Qt and have been checking it out for couple days for now. I've tried to run this simple...

    Posted By jsmi
    • Replies: 3
    • Views: 47
    Yesterday 23:17 Go to last post
  10. versioning window exe in QT4.6?

    Hi, I just found out that one way to add some info/summary to a window exe app would be to use some .rc file to be added. This is for VS but how...

    Posted By marct
    • Replies: 1
    • Views: 23
    Yesterday 22:23 Go to last post
  11. problem connect signal - slot

    Hi! I'm trying to connect two QGroupBox. If the groupbox1 checked or clicked the other groupBox2 be disabled or enabled (setEnabled (false) or...

    Posted By jaca
    • Replies: 13
    • Views: 156
    Yesterday 20:38 Go to last post
  12. Dirty QDialog

    Hey, how do I determine whether a Dialog is dirty (i.e. the values of the widgets were changed)? I could install an event filter but that fires...

    Posted By SElsner
    • Replies: 4
    • Views: 109
    Yesterday 20:27 Go to last post
  13. Send a mouse right click into QGRaphicsScene

    Hi, how can I perform a mouse press button by code into a QGraphicsView/QGraphicsScene? I tried to create a QMouseEvent and execute a...

    Posted By jano_alex_es
    • Replies: 1
    • Views: 22
    Yesterday 18:09 Go to last post
  14. Keyboard combination of ctrl+shift+alt not supported?

    I'm running PC-BSD 8.0 operating system at work which use KDE 4.3.5 and thus Qt. I have an application (developed in java, but not Qt related)...

    Posted By christer
    • Replies: 4
    • Views: 68
    Yesterday 15:08 Go to last post
  15. Question Capturing VIDEO from USB Camera

    HI to all....... I need to interface USB Camera in Qt Code to Display captured video from USB Camera on Q MainWindow.How to get video...

    Posted By Rajeshsan
    • Replies: 5
    • Views: 60
    Yesterday 14:28 Go to last post
  16. 'private slots: ' what kind of syntax is that?

    ok i'm a newbie, i just can't quite figure out what kind of syntax qt uses on this one? i dont recall it's part of standard c++ grammar and it...

    Posted By wgan
    • Replies: 2
    • Views: 77
    Yesterday 13:48 Go to last post
  17. Question customising the qfledialog box in qt4.5.2

    hi everyone , i am trying to customize the qfiledialog box due to the following reason : 1. i am expexcting the following functionality from...

    Posted By netfanatic
    • Replies: 4
    • Views: 51
    Yesterday 11:06 Go to last post
  18. Question Printing a ListWidget

    Hi I'm new to QT, so be patient with me! I want to print what is currently shown in a ListWidget but I have no idea how to do it. Hope someone...

    Posted By viciv919
    • Replies: 3
    • Views: 59
    Yesterday 10:47 Go to last post
  19. How to call the added QWidget of QGridLayout.

    Hi, ALL. I 'm tired call the added QWidget of QGridLayout. How I can call the added QWidget of QGridLayout? follow the source. qDebug()...

    Posted By minsoub
    • Replies: 0
    • Views: 22
    Yesterday 09:44 Go to last post
  20. can not open include file qcanvas.h no such file or directory

    Hi all, I am writing a simple qt program where I am adding a Canvas and that's why I need the "qcanvas.h". Whenever I am trying to include this it...

    Posted By chandan
    • Replies: 2
    • Views: 44
    Yesterday 06:21 Go to last post
  21. Symbian/Windows

    I am writing an application that needs to run on Windows and Symbian devices and am having difficulty in understanding how to get the application to...

    Posted By jonl
    • Replies: 0
    • Views: 34
    Yesterday 00:14 Go to last post
  22. Text Editor

    Hello, I'm new to Qt. I need a text editor, with the following features - page header / footer - margins - replace text - export to...

    Posted By viglu
    • Replies: 6
    • Views: 98
    8th March 2010 22:54 Go to last post
  23. Problem using QWinWidget..

    Hi I'm trying to use QtWinMigrate and i have run in to linking problems. As far as i can se my project settings are correct i have search alot on...

    Posted By Muffin
    • Replies: 3
    • Views: 139
    8th March 2010 17:02 Go to last post
  24. My first QT program

    Hi All, I am trying to run my first QT program but failed. I have a professional version of Visual Studio 2008 and an open source version of QT. I...

    Posted By chandan
    • Replies: 2
    • Views: 60
    8th March 2010 16:02 Go to last post
  25. QItemDelegate and Scrolling

    Hello, in a QTableView I have a column with text, which should be scrollable. I know I need a Delegate to do this and I have tried several...

    Posted By SElsner
    • Replies: 4
    • Views: 90
    8th March 2010 13:08 Go to last post
  26. change color/focus in qtablewidget

    I try to explain my doubt. I have six tables (6 qtablewidget) and a button. When I push the button, it executes some code and I would like that...

    Posted By mmm286
    background, focus, qtablewidget
    • Replies: 5
    • Views: 85
    7th March 2010 19:21 Go to last post
  27. Question Custom scrolbar for QListWidget

    Hi, I am using QListWidget, I want to use my own Scrolbar instead of default scrollbar(look very small in my application). It would be really...

    Posted By nrabara
    custom scrolbar, qlistwidget
    • Replies: 2
    • Views: 45
    7th March 2010 19:04 Go to last post
  28. QWebKit shows raw text

    I am having a strange problem with QWebKit. When I send and receive HTML data through my network, WebKit is displaying it as raw text. I admit my...

    Posted By prof.ebral
    • Replies: 2
    • Views: 27
    7th March 2010 18:31 Go to last post
  29. understanding threads / serial communication with thread

    Hello all, this is my first post in this forum, so please forgive me if there is something strange or against your rules. (You might also...

    Posted By brott
    qthread, serial, thread
    • Replies: 4
    • Views: 64
    7th March 2010 17:58 Go to last post
  30. Qt and OpenCV

    Hi ! I know there are other threads about "Qt and OpenCV" but I didn't find any understable solution for my problem. Sorry if my search was not well...

    Posted By malorie
    • Replies: 2
    • Views: 317
    7th March 2010 15:57 Go to last post

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