[Qt-interest] Qt newbie needs some help with Xcode

Norman Rosner jeckyll at mac.com
Fri May 29 15:55:54 CEST 2009 

Karol!

You're my hero for today! I'm a stupid dumbass wasting your time, but  
thanks anyway ;)

Implementing ALL methods defined in the header did it :)

Thanks so mutch for fast answering.

Have a nice day!

Cheers,

norman
On 29.05.2009, at 15:53, Karol Krizka wrote:

> On Fri, 2009-05-29 at 15:46 +0200, Norman Rosner wrote:
>> On 29.05.2009, at 15:30, Karol Krizka wrote:
>>
>>> Hi,
>>>
>>> I didn't read your full build log yet, but one thing came to mind
>>> right
>>> now. In your MainWindow class, do you call the Q_OBJECT macro?
>>
>> Yes because it inherits from QObject. Here's my MainWindow.h
>>
> Good, I just though you might have been missing it.
>
> Um, did you implement the destructor (~MainWindow) somewhere? I don't
> see it in the implantation you pasted and the error message just
> complains about missing the vtable for it...
>
> --
> Cheers,
> Karol Krizka
> http://www.krizka.net
>
>>
>> #ifndef MAINWINDOW_H
>> #define MAINWINDOW_H
>>
>> #include "ui_MainWindow.h"
>>
>> #include <QtGui/QMainWindow>
>>
>> class MainWindow : public QMainWindow, public Ui::MainWindow {
>> 	
>> 	Q_OBJECT
>> 	
>> public:
>> 	MainWindow(QWidget *parent = 0);
>> 	~MainWindow();
>> 	
>> private slots:
>> 	
>> 	void on_processButton_clicked();
>> };
>>
>>
>> #endif
>>
>> and here is my simple MainWindow.cpp
>>
>> #include "MainWindow.h"
>>
>> #include <QtGui>
>>
>> #include <iostream>
>>
>> using namespace std;
>>
>> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
>> 	setupUi(this);
>> 	connect(processButton, SIGNAL(clicked()),
>> SLOT(on_processButton_clicked()));
>> }
>>
>> void MainWindow::on_processButton_clicked() {
>> 	cout << "Button clicked!" << endl;	
>> }
>>
>>
>>
>>
>>>
>>>
>>> --
>>> Cheers,
>>> Karol Krizka
>>> http://www.krizka.net
>>>
>>> On Fri, 2009-05-29 at 15:18 +0200, Norman Rosner wrote:
>>>> mbp:TextEditor jeckyll$ make clean
>>>> rm -f moc_MainWindow.cpp
>>>> rm -f ui_MainWindow.h
>>>> rm -f main.o MainWindow.o moc_MainWindow.o
>>>> rm -f *~ core *.core
>>>>
>>>> mbp:TextEditor jeckyll$ qmake -spec macx-g++
>>>>
>>>> mbp:TextEditor jeckyll$ make
>>>> /Developer/Tools/Qt/uic MainWindow.ui -o ui_MainWindow.h
>>>> g++ -c -pipe -g -gdwarf-2 -Wall -W -DQT_GUI_LIB -DQT_CORE_LIB -
>>>> DQT_SHARED -I/usr/local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/
>>>> Frameworks/QtCore.framework/Versions/4/Headers -I/usr/include/
>>>> QtCore -
>>>> I/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/usr/
>>>> include/
>>>> QtGui -I/usr/include -I. -I. -I. -F/Library/Frameworks -o main.o
>>>> main.cpp
>>>> g++ -c -pipe -g -gdwarf-2 -Wall -W -DQT_GUI_LIB -DQT_CORE_LIB -
>>>> DQT_SHARED -I/usr/local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/
>>>> Frameworks/QtCore.framework/Versions/4/Headers -I/usr/include/
>>>> QtCore -
>>>> I/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/usr/
>>>> include/
>>>> QtGui -I/usr/include -I. -I. -I. -F/Library/Frameworks -o
>>>> MainWindow.o
>>>> MainWindow.cpp
>>>> /Developer/Tools/Qt/moc -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/
>>>> usr/
>>>> local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/Frameworks/
>>>> QtCore.framework/Versions/4/Headers -I/usr/include/QtCore -I/ 
>>>> Library/
>>>> Frameworks/QtGui.framework/Versions/4/Headers -I/usr/include/ 
>>>> QtGui -
>>>> I/
>>>> usr/include -I. -I. -I. -F/Library/Frameworks -D__APPLE__ - 
>>>> D__GNUC__
>>>> MainWindow.h -o moc_MainWindow.cpp
>>>> g++ -c -pipe -g -gdwarf-2 -Wall -W -DQT_GUI_LIB -DQT_CORE_LIB -
>>>> DQT_SHARED -I/usr/local/Qt4.5/mkspecs/macx-g++ -I. -I/Library/
>>>> Frameworks/QtCore.framework/Versions/4/Headers -I/usr/include/
>>>> QtCore -
>>>> I/Library/Frameworks/QtGui.framework/Versions/4/Headers -I/usr/
>>>> include/
>>>> QtGui -I/usr/include -I. -I. -I. -F/Library/Frameworks -o
>>>> moc_MainWindow.o moc_MainWindow.cpp
>>>> g++ -headerpad_max_install_names -o TextEditor.app/Contents/MacOS/
>>>> TextEditor main.o MainWindow.o moc_MainWindow.o   -F/Library/
>>>> Frameworks -L/Library/Frameworks -framework QtGui -framework  
>>>> Carbon -
>>>> framework AppKit -framework QtCore -lz -lm -framework
>>>> ApplicationServices
>>>> Undefined symbols:
>>>>  "MainWindow::~MainWindow()", referenced from:
>>>>      vtable for MainWindowin moc_MainWindow.o
>>>>  "MainWindow::~MainWindow()", referenced from:
>>>>      vtable for MainWindowin moc_MainWindow.o
>>>>  "non-virtual thunk to MainWindow::~MainWindow()", referenced from:
>>>>      vtable for MainWindowin moc_MainWindow.o
>>>>  "non-virtual thunk to MainWindow::~MainWindow()", referenced from:
>>>>      vtable for MainWindowin moc_MainWindow.o
>>>> ld: symbol(s) not found
>>>> collect2: ld returned 1 exit status
>>>> make: *** [TextEditor.app/Contents/MacOS/TextEditor] Error 1
>>>>
>>>> mbp:TextEditor jeckyll$ make clean
>>>> rm -f moc_MainWindow.cpp
>>>> rm -f ui_MainWindow.h
>>>> rm -f main.o MainWindow.o moc_MainWindow.o
>>>> rm -f *~ core *.core
>>>>
>>>> On 29.05.2009, at 15:15, Karol Krizka wrote:
>>>>
>>>>> On Fri, 2009-05-29 at 15:03 +0200, Norman Rosner wrote:
>>>>>> After running
>>>>>>
>>>>>> qmake -spec macx-g++ && make the same errors occurred. Also  
>>>>>> with -
>>>>>> spec
>>>>>> macx-g++42. So what now? I'm clueless ;(
>>>>>>
>>>>> That's pretty weird, vtable errors almost 100% of the time mean  
>>>>> that
>>>>> you
>>>>> just forgot to regenerate the Makefile by running qmake again. Can
>>>>> you
>>>>> post the entire output of:
>>>>> make clean && make
>>>>>
>>>>> --
>>>>> Cheers,
>>>>> Karol Krizka
>>>>> http://www.krizka.net
>>>>>
>>>>>> cheers,
>>>>>>
>>>>>> norman
>>>>>> On 29.05.2009, at 14:42, Karol Krizka wrote:
>>>>>>
>>>>>>> On Fri, 2009-05-29 at 14:36 +0200, Norman Rosner wrote:
>>>>>>>> Thanks for the quick answer. This is my project file:
>>>>>>>>
>>>>>>>> ######################################################################
>>>>>>>> # Automatically generated by qmake (2.01a) Di Mai 26 17:42:20
>>>>>>>> 2009
>>>>>>>> ######################################################################
>>>>>>>>
>>>>>>>> TEMPLATE = app
>>>>>>>> TARGET =
>>>>>>>> DEPENDPATH += .
>>>>>>>> INCLUDEPATH += /Users/jeckyll/studium/cpp/cpp2/TextEditor/. .
>>>>>>>>
>>>>>>>> # Input
>>>>>>>> HEADERS += MainWindow.h
>>>>>>>> FORMS += MainWindow.ui
>>>>>>>> SOURCES += main.cpp MainWindow.cpp
>>>>>>>>
>>>>>>> Try compiling from Terminal. See if you get the same errors or
>>>>>>> if it
>>>>>>> is
>>>>>>> something XCode specific.
>>>>>>>
>>>>>>> qmake -spec-gcc && make
>>>>>>>
>>>>>>>> It seems to me that all headers and sources are where they  
>>>>>>>> should
>>>>>>>> be
>>>>>>>> right?
>>>>>>>> But it's not compiling. I get the same errors.
>>>>>>>>
>>>>>>>> On 29.05.2009, at 14:11, Karol Krizka wrote:
>>>>>>>>
>>>>>>>>> On Fri, 2009-05-29 at 14:00 +0200, Norman Rosner wrote:
>>>>>>>>>> Hi folks,
>>>>>>>>>>
>>>>>>>>>> I'm stuck in a problem and I can't find a solution to it. I'm
>>>>>>>>>> using
>>>>>>>>>> the current version of Qt with Xcode. Here is what I did:
>>>>>>>>>> In my Project Folder there's a main.cpp and i have set up a
>>>>>>>>>> MainWindow.ui file.
>>>>>>>>>>
>>>>>>>>>> I set up a project using qmake -project in a folder.
>>>>>>>>>> Then I ran qmake -spec mac-xcode
>>>>>>>>>>
>>>>>>>>>> Now when I start up the created Xcode project I created a new
>>>>>>>>>> Class
>>>>>>>>>> that inherits from Ui::MainWindow and QMainWindow in
>>>>>>>>>> MainWindow.h
>>>>>>>>>> and
>>>>>>>>>> MainWindow.cpp.
>>>>>>>>>>
>>>>>>>>>> So now, when I run Build and Go I get errors like this one:
>>>>>>>>>>
>>>>>>>>>> "MainWindow::~MainWindow()", referenced from:
>>>>>>>>>> vtable for MainWindowin moc_MainWindow.o
>>>>>>>>>>
>>>>>>>>>> I think it has something to do with moc and compiling
>>>>>>>>>> MainWindow.ui
>>>>>>>>>>
>>>>>>>>>> So what am I doing wrong?
>>>>>>>>>>
>>>>>>>>>> Do i always have to run qmake -spec macx-xcode when I added  
>>>>>>>>>> new
>>>>>>>>>> files?
>>>>>>>>>>
>>>>>>>>> I'm pretty sure you have to run that everytime you add new
>>>>>>>>> files.
>>>>>>>>> The
>>>>>>>>> command only generates the initial XCode Project, but it does
>>>>>>>>> not
>>>>>>>>> updated it after you add new classes. Also make sure that
>>>>>>>>> your .pro
>>>>>>>>> file
>>>>>>>>> has the headers for the new class.
>>>>>>>>>
>>>>>>>>> HEADERS +=  MainWindow.h
>>>>>>>>> SOURCES += main.cpp MainWindow.cpp
>>>>>>>>>
>>>>>>>>>> I looked into two books about Qt but i didn't find the  
>>>>>>>>>> answer.
>>>>>>>>>>
>>>>>>>>>> Would be nice to get some help from somebody who works with
>>>>>>>>>> Xcode
>>>>>>>>>> and
>>>>>>>>>> Qt too.
>>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Cheers,
>>>>>>> Karol Krizka
>>>>>>> http://www.krizka.net
>>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Qt-interest mailing list
>>>>>> Qt-interest at trolltech.com
>>>>>> http://lists.trolltech.com/mailman/listinfo/qt-interest
>>>>>
>>>>
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>>
>

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