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Qt Jambi Which version of Qt do I need to use Qt Jambi? Which Java Virtual Machines (JVMs) does Qt Jambi work with? How can I invoke functions on QObjects from another thread? Can I create a Java applet using Jambi so that my application/library can be accessible via a web browser ? How much will Qt Jambi cost? Why are the slots in the connections passed as strings ? Can I use Designer, Assistant or Linguist with Qt Jambi? Will Qt Jambi applications really have native look and feel? What does the release of Qt Jambi mean for the C++ version of Qt? Will you drop C++ support? Will you make Qt versions for other languages, such as C#, or Perl ? Can I mix Qt Jambi, SWT and AWT/SWING? Does Qt Jambi enable mixed mode C++ and Java programming? Can I use Qt Jambi on embedded devices? Why have you made Qt Jambi? What is Qt Jambi? Will support for Jambi be similar to that currently offered for Qt? Can I use Qt Jambi with Eclipse? Is there an open source version of Qt Jambi? More...	General Assistant doesn't make use of WebKit. How can I change that? Which compiler and debugger can I use with the Eclipse C++ Integration on Windows ? Why does a statically built Qt use the dynamic Visual Studio runtime libraries ? Do I need to deploy those with my application ? How do I create a sln from a SUBDIRS template? QPushButtons with a height set to 20 or smaller are not clipped correctly on the Mac, how can this be solved? How can I easily create a Visual Studio project from my existing pro file? How can I customize Assistant for use in my application? The stand alone designer opens when clicking on a .ui file in the Qt Visual Studio 2003 Integration, shouldn't the form appear in Visual Studio instead When setting a global color group on my Mac everything goes black. What is the problem? How can I debug the Qt source files when running my application inside Visual Studio ? How can we create a binary on Leopard that runs on both 10.4 and 10.5? How can I run multiple instances of an application on Mac OS X ? How can I export changes made to a project inside Visual Studio to my .pro file ? Entry number: 91 - Can you suggest a tool which we can use to track down memory leaks in Qt? When setting a global color group on my Mac everything goes black. What is the problem? How can I add tooltips to a QComboBox? Entry number: 12 - How can I display rich text in a QTable? Entry number: 27 - Embedding images into an executable. Entry number: 23 - I am having problems displaying overlays on Linux with my NVIDIA card. The same code works on windows. How can I customize Assistant for use in my application? Entry number: 93 - I have a fixed sized dialog, but when the mouse cursor is moved over the edge of the dialog, Â the "arrow" cursor changes to a "resize" cursor. Is there a way to change this? We would like to use Linguist with an MFC application, without converting MFC to Qt. Is this possible? How can I get debug output from my Qt applications? How can I create checkable items in a QTreeWidget? Entry number: 97 - How can I use multicast sockets with Qt? Entry number: 33 - I am unable to set a fixed size on my dialog, how can I do this? Entry number: 90 - How to add <?xml version = '1.0'?> to the beginning of a QDomDocument Entry number: 95 - How can I easily create a Visual Studio project from my existing pro file? How can I drag from e.g a QListWidget and drop in an editable QTableView? Entry number: 34 - Why is QHeader::setLabel() so slow in large tables? Entry number: 83 - How do I export my form without changing the generated code? When untaring the Qt package the following warning is seen "Tar.gz file content file "@Longlink" with zero permission and size." How can this be resolved? Entry number: 38 - The compilation of the Qt library fails because the compiler does not find the system header files (e.g. stdio.h or windows.h). Do you know what the problem is? How do I create a default size for the rows in a table view? How to have custom widgets in a QListView Entry number: 13 - Setting the DSN for a database directly with setDatabaseName() Who implements the antialiasing? You or the platform? Entry number: 29 - How do I get remove one of the headers in a table? How can I get a handle to a pixmap in the form of a CoreGraphics surface/pointer on Mac? Entry number: 68 - Why is the debug version of my application so slow? How can I draw a transparent image? I would like to add some widgets to a QMessageBox. How can I do it? When doing Qt \| Open Solution from .pro file in Visual Studio 2005 I get an error saying the sln file is from a previous version of Visual Studio and must be converted, what can I do? Entry number: 20 - How can I have a debug and release build of Qt at the same time? Entry number: 28 - How do I create a QTableItem that uses QDateTimeEdit as an editor? When using Qt with STL it crashes with a memory access exception, how do I fix this? Entry number: 31 - I want to change the style for one of my widgets, but I want the rest of it to follow the applications style without worrying about what the original style is. How does Qt pick a font for the application? I am unable to step into the Qt code in Visual Studio, what can the problem be? What are the steps I need to follow to create universal binaries in Qt 3.3.6 and above in the Qt 3 series? How can I use Qt widgets in another Carbon window? How can I reduce the size of my static Mac application? How can I build 64 bit Qt on a 32 bit system ? I get errors when building my Qt/Windows project where one of my paths appears to be cut off, what can be wrong? How can I prevent a window from becoming active when clicking on it on Windows? I am getting linking errors when trying to link against msvcrtd.lib. And when linking against libcmt.lib the application crashes. What can I do ? My executables are very large on the Mac. How can I prevent this ? Is is possible to run Qt 4.3 applications on Windows XP Embedded ? Can Qt Assistant be modified and redistributed with my application? How to hide the menubar and the dock on Mac OS X and use whole screen for an application? Is it possible to change the language of Qt Assistant's GUI? Compiling a Qt program fails with error messages looking something like this: undefined reference to `_vt.11QPushButton' Do you have any reference companies that have converted from MFC to Qt? How would I move my application from MFC to Qt? Are there any tools for the job of converting Windows MFC dialogs? How much time will it take me to move my application from MFC to Qt? Who provides consultancy for Qt? How can I completely remove the Visual Studio Integration? The compilation of the Qt library fails because the compiler does not find the system header files (e.g. stdio.h or windows.h). Do you know what the problem is? I am having problems displaying overlays on Linux with my NVIDIA card. The same code works on windows. Is there a way to specify build dependencies for Visual Studio 2003 and 2005? Intellisense does not work for my Qt application. What's wrong ? How do I add a custom Info.plist to my Mac application with qmake ? I am experiencing random crashes when running my application on Windows, what can be wrong ? Is there a way of sizing the window so that it is never overlapped by the taskbar (or it doesn't overlap the taskbar)? How can I sort a QListView by date? How can we remove properties from custom widgets in Designer? Entry number: 94 - I am trying to set a minimum size on my dockwindow, but it does not work. The undocked window can be resized to nothing. How can I get this to work? How can a QModelIndex be retrived from the model for an internal data item? How can I make the tab key go from an editable combotableitem to the next cell in a QTable? My plugin shows up in Designer but not inside Visual Studio, what's wrong? I have problems building an application that uses a Qt 4 Designer plugin on Windows. Can you give some advice? Is Qt compatible with .NET? When running a Qt application on the French translation of Mac OS X, "About" shows up instead of "A propos" in the application menu. What is wrong ? Where do I find the resource editor in the integrated Qt Designer when using the Qt Eclipse Integration? Is the 64-bit version of Mac supported by Qt? The Makefile generated by the Qt Eclipse Integration has no 'dist' target. Is it really missing? How can I compile and link against a library when using the Eclipse Integration? The code formatter of Eclipse Europa doesn't work with classes that have signals/slots. How can this be solved ? Are there seperate versions for CDT 3.1 and CDT 4.0? When creating a library with Qt/Windows and using it in an application, then there is a link error regarding symbols which are in the library When dragging and dropping between 2 views, how can I perform a move without pressing Shift? My application does not run on either Windows NT or Windows 95, it shows a messagebox saying cannot find GetLongPathName in kernel32.dll. How do I fix this? Is building Qt on a 64bit AMD platform with Windows supported? My custom widget appears as a grey rectangle in Designer. How can I fix this ? When building Qt on Panther with a QuickTime version later than 7.0.1 installed, I get a linker error. What's wrong? When running my application I get the following error:"This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem". What is wrong ? When running on Linux then Eclipse crashes frequently. The 'problematic frame' seems to be 'gtk_tooltips_set_tip+0x1dc'. What is the problem ? Why does the 'New C++ Class' wizard miss most of the Qt classes in the 'Base Classes' list? How can I translate the application menu on the Mac ? Some graphics cards don't seem to work well with OpenGL in Qt, is there a list of known issues? Why doesn't Eclipse know about some of Qt's symbols / class names? I get an 'Error while parsing /XXX/qrc_XXX.cpp, Java Heap Space'. What's the problem ? I think I have found a bug in Qt. Where can I report it? Do you have integration with Xcode ? Do you offer a cross-platform IDE? Entry number: 8 - What does it mean if the build fails with fatal error U1054 Why do I get hundreds of warnings when the compiler warning level is set to level 4 for .NET 2003? After installing a new Qt version, Designer crashes when it loads the plugins, what's wrong? I have problems building an application that uses the Qt 3 filechooser plugin on Windows. Can you give some advice? The standalone designer opens when clicking on a .ui file in the Qt Visual Studio Integration, shouldn't the form appear in Visual Studio instead? When doing Qt \| Open Solution from .pro file in Visual Studio 2005 I get an error saying the sln file is from a previous version of Visual Studio and must be converted, what can I do? In what ways does Qt integrate with Microsoft Visual Studio? Can Qt Assistant be modified and redistributed with my application? How can I make both the item picture and the item text transparent in the drag icon so that user can see what is under the drag icon? Entry number: 86 - Troubleshooting QtService Problems on Windows How can I handle events in the titlebar and change its color etc ? When checking permissions on a file using QFileInfo it sometimes returns incorrect permissions when the file is on a NTFS file system. How can this be fixed? How can I avoid drawing the focus rect on my buttons? Entry number: 36 - Why doesn't QString::stripWhiteSpace() remove the whitespaces in my string? How can I position the column and row labels in an QTable centrally ? Entry number: 66 - How can I turn off the debug and release Makefile generation for my application? I get a link error saying "uuid.lib(shguids.obj) : fatal error LNK1103: debugging information corrupt; recompile module" when building Qt Entry number: 84 - My combobox does not have a new suitable size after I have inserted items, how can I make QComboBox adjust it's size automatically? How do I set the width or height of the header sections in a view? Entry number: 40 - How to hide the menu bar and the doc of Mac OS X and use whole screen for an application? When setting a background pixmap for a widget, it is tiled if the pixmap is smaller than the widget. Is there a way to avoid this? When an entry is read with QSettings then it will be created if it does not exist, is this correct behaviour? How can I stack the dockwidgets vertically in the top dock area? How can I implement drag and drop in my QListView? How can I change the color of the items in a QListBox? Is it possible to have no icons in the menu when using actions but use the same actions on a toolbar and have an icon there? How can I change the header text of my model based view? Entry number: 41 - I have a dialog that I would like to be able to close programmatically, but I don't want the user to be able to Esc or Alt-F4 or otherwise close the dialog. Could you recommend a best way to configure the dialog to achieve this? QPushButtons with a height set to 20 or smaller are not clipped correctly on the Mac, how can this be solved? Is there a way to tell QTreeView to always resize itself based on the contents of all columns? How can I implement drag and drop in a QTreeWidget? How can I make one of my toolbars appear on the right hand side of the topdock area? How do I create a sln from a SUBDIRS template? How can I do drag and drop in a widget in Qt 4? How can I create a default pushbutton without the default frame ? Entry number: 74 - I am updating the background pixmap of a QCanvas frequently and it flickers. How do I prevent this flicker? Entry number: 96 - How can I save everything that is on QCanvas to a graphical file like .bmp or .png? The stand alone designer opens when clicking on a .ui file in the Qt Visual Studio 2003 Integration, shouldn't the form appear in Visual Studio instead? Entry number: 75 - How to embed version information and icons into windows executable / dll I am having trouble using debug frameworks on Mac OS X, it iseems to assert inside an Apple framework before calling any of my code. What can I do? Is it possible to change the language of Qt Assistant's GUI? When trying to use Oracle in my application I get an error message saying "QSqlDatabase: QOCI driver not loaded". What's wrong? Entry number: 17 - I receive the following error in the Output pane: What's wrong? Entry number: 39 - How can I customize my What's This text depending on which widget is clicked? If I have #define in my code then it is ignored by the moc, is this a bug? When building with Visual C++, it uses a different copy of a specified file that has the same name. How do I fix this? Entry number: 30 - How do I make the scrollbar thinner: When installing Qt Visual Studio Integration v1.4.0 on Vista it gives a message about missing .NET Framework v2.0 SP1 Is is possible to run Qt applications on Windows XP Embedded ? When I build Qt I see the following: and it fails to build. How is configuration management handled? Can I get a copy of the OSX binary or source for the moc utility? I would like to uninstall Qt/X11. How do I do that? How can I run a Qt application on a Unix machine that doesn't have X11 installed? How do I find out the properties of my Linux Frame Buffer? I get an error when configuring Qt and QT_MACOSX _VERSION is not defined, what is wrong? My Designer plugin isn't loaded in Designer on Windows, even though I get the complied dll and lib. What's going on? Do you support using Qt in the Cygwin shell on Windows? What version of Microsoft Visual Studio 2005 do I have to have at least to use the integration? Building Qt with MinGW fails I am trying to build Qt on the Mac with the -universal flag specified, but it fails. What's wrong? Does Qt Assistant support the MNG format? On Redhat systems I get some Japanese characters displayed correctly but not all of them. How do I fix this? Why does the pushbutton suddenly become square on the Mac when it gets down to a certain size? My Qt Designer plugin, my QtTestLib test or QUiTools program doesn't build with the 4.1.1 binary package on the Mac, it complains about templates with C linkage, why? Is there a way to tell qmake to copy files into my application bundle (e.g. private frameworks, sound files, etc.)? How can I make Designer look for plugins outside QTDIR\plugins\designer How can I build a universal binary which consists of a gcc3.3- built PPC and gcc4-built Intel version? I get a link error saying "uuid.lib(shguids.obj) : fatal error LNK1103: debugging information corrupt; recompile module" when building Qt I am having trouble using debug frameworks on Mac OS X, it iseems to assert inside an Apple framework before calling any of my code. What can I do? Why is the debug version of my application so slow? The eclipse integration will not install when using Wascana Desktop Developer, what can be wrong ? When building Qt using MinGW I get the following error: Makefile.Debug:24691: *** multiple target patterns. What can be wrong ? What is the program qtusagereporter? Why are the changes made in the Language tab in the International settings not respected on the Mac? My Windows build of Qt stops and complains that one of the plugins can't be opened. What's wrong ? When I set a font/palette explicitly for a QLabel on the Mac, then it is respected. If my QLabel only inherits the font, then it is ignored. What is the reason for this ? Why doesn't Mac OS X respect carriage return ( )? Can I use Windows APIs together with Qt? The compiler complains about redefinition of HDC etc. Purify found a memory leak in qapplication_x11.cpp. Why don't you clean up the XIM (X Input Method) structure? Why can't I use the qt-zlib option when configuring on the Mac? Why does my menubar disappear in Qt 4 applications on Mac OS X 10.3? Assistant does not launch or the documentation does not show up when launching Assistant, what is wrong? How can I hide the dock and the menu on the Mac in Qt 3? How can I find out where the contents of my Mac binary package is installed? How can I disable the native menubar on the Mac? Sometimes building Qt/Mac complains about missing a header file. The header does exist but is size 0 and permissions 000. How can I finish building Qt? More...	Tasktracker What is Task Tracker? Can I use Task Tracker to get technical support for your products? What can I do with a Task Tracker account? How do you rank tasks? What does the task resolution mean? I reported a bug to Trolltech, but I cannot find it in the task tracker. Why is that? I corresponded with Trolltech Support using ID [xyz]. Why is there no task with that ID? How do I vote for a bugfix or a suggestion? More...
Licensing Why is Qt Open Source Edition not distributed under the GNU Lesser General Public License (LGPL)? Why are you making Qt for Windows available under the GPL with Qt 4? How will the dual licensing of Qt/Windows affect me? Why have you not released Qt/Windows under the dual licensing license before now? Can I now use Qt for free everywhere? Does releasing Qt/Windows under a dual license mean that Trolltech is giving up the development of Qt for Windows? What is the difference between the Open Source and Commercial editions? What does the Qt Commercial Editions have that the Qt Open Source Edition does not? Can I also get an Open Source version of Qt/Windows 3? I want to dual license my software too! That means I can use the Open Source edition for development, right? Do you plan to offer Qt for Windows under the QPL? Where and when can I get the Windows Open Source Edition? Why isn't Qt released under LGPL? We have purchased a license, but the developer is leaving the company / project. Can we transfer the license to another developer? Can I purchase floating licenses? Can I develop commercial applications with PerlQt or PyQt or other Qt wrappers? Why did you change the name of the Qt Open Source Edition? I don't want to give away my source code. What do I do? I'm developing Qt software with the version of Qt that came with my Linux Distribution. Do I need to buy a license, then? Can we use the Open Source Edition while developing our non-opensource application and then purchase commercial licenses when we start to sell it? What is the idea behind providing Open Source (GNU GPL) versions of Trolltech products? I just want to run KDE and other Qt-based software on my machine. Can I do that with the Qt Open Source Edition? I want to put Qt, and applications that use it, on a CD-ROM or on a web site. Can I do that with the Qt Open Source Edition? Is software based on the Qt Open Source Edition really free? Does it carry any Trolltech-specific license restrictions? What if Trolltech stops releasing Open Source Editions of Qt? Using the Qt Open Source Edition, can I make non-opensource software for internal use in my company/organization? Is Qt Open Source Edition really free software in the GNU meaning of the word? If the Open Source Edition is GNU GPL, aren't there license conflicts with incompatible open source licenses? How come people can even run commercial software like the Opera web browser with it? Must Qt Script code interpreted by the GPL'ed Qt Script interpreter in the Open Source Edition of QSA, be released under GPL-compatible licenses? What are the QSA licensing restrictions? Why do I need to buy a commercial edition when I can get it for free? What are the Qt Open Source, Console, Desktop Light and Desktop Editions? Do I need a Qt license to be able to develop a script-enabled application with QSA? Where can I download Qt/Mac GPL? Who may use the QSA Open Source Edition? Do I need a license for all platforms I want to program on? What do you mean by Dual Licensing? What are the restrictions with releasing scriptable applications? Do I need a Qt license to be able to develop a script-enabled application with QSA? Can I use the Open Source Edition of QSA with my commercial Qt application? Can I redistribute the dll from my N