[vtkusers] cmake error: no qvtkwidget.h is found

Clinton Stimpson clinton at elemtech.com
Mon Mar 30 22:14:08 EDT 2009 

You should not change that file manually.
You should do your own build of VTK with Qt 4.
For the future, maybe you can ask your linux distro to build it with Qt 4.

Clint

Yifei Li wrote:
> Clinton,
>
> Thank you so much.
>
> You are right,  I installed VTK using rpm and DESIRED_QT_VERSION is 
> set to 3.   Here is  what my  VTKConfigQt.cmake looks like:
>
> SET(VTK_QT_QT_LIBRARY "/usr/lib/qt-3.3/lib/libqt-mt.so")
> SET(VTK_QT_INCLUDE_DIR "/usr/lib/qt-3.3/include")
> SET(VTK_QT_QASSISTANTCLIENT_LIBRARY 
> "/usr/lib/qt-3.3/lib/libqassistantclient.a")
>
> # exports for Qt4
> SET(VTK_QT_RCC_EXECUTABLE "")
> SET(VTK_DESIRED_QT_VERSION "3")
>
> # exports for Qt3/Qt4
> SET(VTK_QT_MOC_EXECUTABLE "/usr/lib/qt-3.3/bin/moc")
> SET(VTK_QT_UIC_EXECUTABLE "/usr/lib/qt-3.3/bin/uic")
> SET(VTK_QT_QMAKE_EXECUTABLE "")
>
> Should I change this file manually?
>
> Yifei
>
> Clinton Stimpson wrote:
>> Yifei Li wrote:
>>> Hi all,
>>>
>>> I just made some progress.  But I got a new problem - a linking error:
>>>
>>> CMakeFiles/editor.dir/editorwindow.o: In function 
>>> `Ui_MainWindow::setupUi(QMainWindow*)':
>>> editorwindow.cpp:(.text._ZN13Ui_MainWindow7setupUiEP11QMainWindow[Ui_MainWindow::setupUi(QMainWindow*)]+0x492): 
>>> undefined reference to `QVTKWidget::QVTKWidget(QWidget*, 
>>> QFlags<Qt::WindowType>)'
>> So I'm assuming you're using a VTK installation created by your Linux 
>> distribution?  Some of the distros build QVTK with Qt3, so you can't 
>> use it with Qt4.
>> Maybe that's your problem.  Look for the VTKConfigQt.cmake file and 
>> see if it sets DESIRED_QT_VERSION=3.
>>>
>>> I fixed the previous problem by changing the name of the include 
>>> header 'qvtkwidget.h' (included in ui_editor.h)  to 'QVTKWidget.h"
>> You should fix it in your .ui file (with text editor or qt 
>> designer).  The ui_editor.h is created from the .ui file.
>> When you promote widgets in the designer, and type in the class name, 
>> it auto completes a header file for that class name - but its all 
>> lowercase.  Its easiest to fix then.
>>
>> Clint
>>>
>>> However, the 'ui_editor.h' is automatically genereated after typing 
>>> 'make'.  So is this a bug of cmake??   On the same machine where I 
>>> successfully built SimpleView,  I did not have this problem.
>>>
>>> My computer is running Fedora 9 and cmake version is 2.4.
>>>
>>> Any ideas?
>>>
>>> Yifei
>>>
>>> Yifei Li wrote:
>>>> Brian,
>>>>
>>>> I can build that example without problem. And I did learn a lot 
>>>> from its CMakeLists.txt
>>>>
>>>> Now I  want to  write my own CMakeLists.txt from scratch ( trying 
>>>> to get rid of those stuff that provides Qt3 compatbility in 
>>>> SimpleView)  and have troubles. Here is my CMakeLists.txt.  Using 
>>>> 'make verbose=1' did show '-I/usr/include/vtk'.
>>>>
>>>> Any help is highly apprecaited.
>>>>
>>>> Yifei
>>>>
>>>> PROJECT( editor )
>>>>
>>>> SET( SAMPLE_SRCS
>>>>    main.cpp
>>>>    editorwindow.cpp
>>>> )
>>>>
>>>> SET( SAMPLE_MOC_HDRS
>>>>    editorwindow.h
>>>> )
>>>>
>>>> SET( SAMPLE_UIS
>>>>    editor.ui
>>>> )
>>>>
>>>>
>>>> FIND_PACKAGE( Qt4 REQUIRED )
>>>> FIND_PACKAGE( VTK )
>>>>
>>>> INCLUDE( ${QT_USE_FILE} )
>>>> INCLUDE( ${VTK_USE_FILE} )
>>>>
>>>> QT4_WRAP_UI( SAMPLE_UI_HDRS ${SAMPLE_UIS} )
>>>>
>>>> QT4_WRAP_CPP( SAMPLE_MOC_SRCS ${SAMPLE_MOC_HDRS} )
>>>>
>>>> INCLUDE_DIRECTORIES( ${QT_INCLUDE_DIR} ${CMAKE_BINARY_DIR} )
>>>>
>>>> ADD_EXECUTABLE( editor ${SAMPLE_SRCS} ${SAMPLE_MOC_SRCS} 
>>>> ${SAMPLE_UI_HDRS} )
>>>>
>>>> TARGET_LINK_LIBRARIES( editor QVTK ${QT_LIBRARIES} )
>>>> Wylie, Brian wrote:
>>>>> Yifei,
>>>>>
>>>>> There's a 'SimpleView' example in VTK\Examples\GUI\Qt\SimpleView 
>>>>> that builds a small Qt/VTK application. You might look at it's 
>>>>> CMakeLists.txt file for guidance.
>>>>> Also, looking through the generated Makefile (or windows project 
>>>>> file), may give you some clues.
>>>>>   Brian Wylie - Org 1424
>>>>>   Sandia National Laboratories
>>>>>   MS 1323 - Building CSRI/242
>>>>>   (505)844-2238 FAX(505)284-2518          _______ __
>>>>>       /_  __(_) /_____ _____
>>>>>        / / / / __/ __ `/ __ \
>>>>>       / / / / /_/ /_/ / / / /
>>>>>      /_/ /_/\__/\__,_/_/ /_/
>>>>>             Informatics Toolkit
>>>>>
>>>>> -----Original Message-----
>>>>> From: vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] 
>>>>> On Behalf Of Yifei Li
>>>>> Sent: Monday, March 30, 2009 8:30 AM
>>>>> To: vtkusers at vtk.org
>>>>> Subject: [vtkusers] cmake error: no qvtkwidget.h is found
>>>>>
>>>>> Hi,
>>>>>
>>>>> I'm still in the processing of learning cmake. Now I'm tring to 
>>>>> compile a very simple Qt/VTK program where a QVTKWidget is the 
>>>>> only widget in a QMainWindow. However, after typing make, I got 
>>>>> the following errors. (I did install 'vtk-qt-5.0.4-21.fc9.i386' 
>>>>> and QVTKWidget.h is in /usr/include/vtk)
>>>>>
>>>>> In file included from mainwindow/editorwindow.h:2, from 
>>>>> mainwindow/main.cpp:1:
>>>>> mainwindow/ui_editor.h:23:24: error: qvtkwidget.h: No such file or 
>>>>> directory In file included from mainwindow/editorwindow.h:2, from 
>>>>> mainwindow/main.cpp:1:
>>>>> mainwindow/ui_editor.h:31: error: ISO C++ forbids declaration of 
>>>>> 'QVTKWidget' with no type
>>>>> mainwindow/ui_editor.h:31: error: expected ';' before '*' token
>>>>> mainwindow/ui_editor.h: In member function 'void
>>>>> Ui_MainWindow::setupUi(QMainWindow*)':
>>>>> mainwindow/ui_editor.h:50: error: 'vtkwidget' was not declared in 
>>>>> this scope
>>>>> mainwindow/ui_editor.h:50: error: expected type-specifier before 
>>>>> 'QVTKWidget'
>>>>> mainwindow/ui_editor.h:50: error: expected `;' before 'QVTKWidget'
>>>>>
>>>>> I attached the CMakeLists.txt and my source code. Could anyone 
>>>>> give me some help? Thanks
>>>>>
>>>>> Yifei
>>>>>
>>>>>   
>>>>
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>>
>
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> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at 
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the VTK FAQ at: 
> http://www.vtk.org/Wiki/VTK_FAQ
>
> Follow this link to subscribe/unsubscribe:
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