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Qt4-preview-feedback Archive, July 2007
using qt with eclipse under MacOSX


Message 1 in thread

Hello,

I'm a beginner in the world of Qt, and not very good in C++(little 
experience).

I have problems using Qt: I have successively installed Qt 4 for mac 
open-source, then eclipse CDT, then Qt plugin for eclipse.
but when I try to create a empty C++ project , containing one C++ file 
with this code:


#include <QApplication>
#include <QPushButton>

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

     QPushButton hello("Hello world!");
     hello.resize(100, 30);

     hello.show();
     return app.exec();
 },

I have errors at almost all the lines, and already the first:"no such 
file  or directory".

Moreover, it is impossible to open some views (Qt C++ widget box,  QtC++ 
property editor; for this last  view, I copied the error msg and it is 
joined to this mail, and a copy is available at the end of this mail).

The reason is clear: eclipse is not correctly installed; does anybody 
could help me, step by step to solve this problem?


thank you, Lolveley.




error msg:
ava.lang.UnsatisfiedLinkError: no qtcppdesigner in java.library.path
    at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
    at java.lang.Runtime.loadLibrary0(Runtime.java:822)
    at java.lang.System.loadLibrary(System.java:992)
    at 
com.trolltech.qtcppdesigner.views.PropertyEditorW.<clinit>(PropertyEditorW.java:21)
    at 
com.trolltech.qtcppdesigner.views.PropertyEditorView.createPartControl(PropertyEditorView.java:16)
    at 
org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:370)
    at 
org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:227)
    at 
org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592)
    at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299)
    at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:531)
    at 
org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:179)
    at 
org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
    at 
org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
    at 
org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:400)
    at 
org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
    at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
    at 
org.eclipse.ui.internal.PartStack.presentationSelectionChanged(PartStack.java:843)
    at org.eclipse.ui.internal.PartStack.access$1(PartStack.java:829)
    at org.eclipse.ui.internal.PartStack$1.selectPart(PartStack.java:139)
    at 
org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:131)
    at 
org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:267)
    at 
org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:276)
    at 
org.eclipse.ui.internal.presentations.r33.DefaultTabFolder.access$1(DefaultTabFolder.java:1)
    at 
org.eclipse.ui.internal.presentations.r33.DefaultTabFolder$2.handleEvent(DefaultTabFolder.java:84)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
    at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3227)
    at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2005)
    at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:316)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)
    at org.eclipse.swt.widgets.Control.sendTrackEvents(Control.java:2734)
    at org.eclipse.swt.widgets.Control.actionProc(Control.java:115)
    at org.eclipse.swt.widgets.Display.actionProc(Display.java:355)
    at org.eclipse.swt.internal.carbon.OS.CallNextEventHandler(Native 
Method)
    at org.eclipse.swt.widgets.Widget.kEventControlTrack(Widget.java:1062)
    at org.eclipse.swt.widgets.Control.kEventControlTrack(Control.java:1950)
    at org.eclipse.swt.widgets.Widget.controlProc(Widget.java:367)
    at org.eclipse.swt.widgets.Display.controlProc(Display.java:835)
    at org.eclipse.swt.internal.carbon.OS.SendEventToEventTarget(Native 
Method)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2936)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
    at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
    at 
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
    at 
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at 
org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
    at 
org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153)
    at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
    at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
    at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
    at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1169)







java.lang.UnsatisfiedLinkError: no qtcppdesigner in java.library.path
java.lang.UnsatisfiedLinkError: no qtcppdesigner in java.library.path
	at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
	at java.lang.Runtime.loadLibrary0(Runtime.java:822)
	at java.lang.System.loadLibrary(System.java:992)
	at com.trolltech.qtcppdesigner.views.PropertyEditorW.<clinit>(PropertyEditorW.java:21)
	at com.trolltech.qtcppdesigner.views.PropertyEditorView.createPartControl(PropertyEditorView.java:16)
	at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:370)
	at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:227)
	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592)
	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299)
	at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:531)
	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:179)
	at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268)
	at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:400)
	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
	at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
	at org.eclipse.ui.internal.PartStack.presentationSelectionChanged(PartStack.java:843)
	at org.eclipse.ui.internal.PartStack.access$1(PartStack.java:829)
	at org.eclipse.ui.internal.PartStack$1.selectPart(PartStack.java:139)
	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation$1.handleEvent(TabbedStackPresentation.java:131)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:267)
	at org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent(AbstractTabFolder.java:276)
	at org.eclipse.ui.internal.presentations.r33.DefaultTabFolder.access$1(DefaultTabFolder.java:1)
	at org.eclipse.ui.internal.presentations.r33.DefaultTabFolder$2.handleEvent(DefaultTabFolder.java:84)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
	at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:3227)
	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2005)
	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:316)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)
	at org.eclipse.swt.widgets.Control.sendTrackEvents(Control.java:2734)
	at org.eclipse.swt.widgets.Control.actionProc(Control.java:115)
	at org.eclipse.swt.widgets.Display.actionProc(Display.java:355)
	at org.eclipse.swt.internal.carbon.OS.CallNextEventHandler(Native Method)
	at org.eclipse.swt.widgets.Widget.kEventControlTrack(Widget.java:1062)
	at org.eclipse.swt.widgets.Control.kEventControlTrack(Control.java:1950)
	at org.eclipse.swt.widgets.Widget.controlProc(Widget.java:367)
	at org.eclipse.swt.widgets.Display.controlProc(Display.java:835)
	at org.eclipse.swt.internal.carbon.OS.SendEventToEventTarget(Native Method)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2936)
	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1169)

Message 2 in thread

You did nothing wrong, except trying at all. There is currently no  
Mac version of the Qt Eclipse Integration, sorry.
It is planned for the future, though.

Eike

On Jul 27, 2007, at 2:34 PM, lolveley wrote:

> Hello,
>
> I'm a beginner in the world of Qt, and not very good in C++(little  
> experience).
>
> I have problems using Qt: I have successively installed Qt 4 for  
> mac open-source, then eclipse CDT, then Qt plugin for eclipse.
> but when I try to create a empty C++ project , containing one C++  
> file with this code:
>
>
> #include <QApplication>
> #include <QPushButton>
>
> int main(int argc, char *argv[])
> {
>     QApplication app(argc, argv);
>
>     QPushButton hello("Hello world!");
>     hello.resize(100, 30);
>
>     hello.show();
>     return app.exec();
> },
>
> I have errors at almost all the lines, and already the first:"no  
> such file  or directory".
>
> Moreover, it is impossible to open some views (Qt C++ widget box,   
> QtC++ property editor; for this last  view, I copied the error msg  
> and it is joined to this mail, and a copy is available at the end  
> of this mail).
>
> The reason is clear: eclipse is not correctly installed; does  
> anybody could help me, step by step to solve this problem?
>
>
> thank you, Lolveley.
>
>
>
>
> error msg:
> ava.lang.UnsatisfiedLinkError: no qtcppdesigner in java.library.path
>    at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
>    at java.lang.Runtime.loadLibrary0(Runtime.java:822)
>    at java.lang.System.loadLibrary(System.java:992)
>    at com.trolltech.qtcppdesigner.views.PropertyEditorW.<clinit> 
> (PropertyEditorW.java:21)
>    at  
> com.trolltech.qtcppdesigner.views.PropertyEditorView.createPartControl 
> (PropertyEditorView.java:16)
>    at org.eclipse.ui.internal.ViewReference.createPartHelper 
> (ViewReference.java:370)
>    at org.eclipse.ui.internal.ViewReference.createPart 
> (ViewReference.java:227)
>    at org.eclipse.ui.internal.WorkbenchPartReference.getPart 
> (WorkbenchPartReference.java:592)
>    at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299)
>    at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:531)
>    at  
> org.eclipse.ui.internal.presentations.PresentablePart.setVisible 
> (PresentablePart.java:179)
>    at  
> org.eclipse.ui.internal.presentations.util.PresentablePartFolder.selec 
> t(PresentablePartFolder.java:268)
>    at  
> org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select( 
> LeftToRightTabOrder.java:65)
>    at  
> org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.sel 
> ectPart(TabbedStackPresentation.java:400)
>    at org.eclipse.ui.internal.PartStack.refreshPresentationSelection 
> (PartStack.java:1256)
>    at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java: 
> 1209)
>    at org.eclipse.ui.internal.PartStack.presentationSelectionChanged 
> (PartStack.java:843)
>    at org.eclipse.ui.internal.PartStack.access$1(PartStack.java:829)
>    at org.eclipse.ui.internal.PartStack$1.selectPart(PartStack.java: 
> 139)
>    at  
> org.eclipse.ui.internal.presentations.util.TabbedStackPresentation 
> $1.handleEvent(TabbedStackPresentation.java:131)
>    at  
> org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent 
> (AbstractTabFolder.java:267)
>    at  
> org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent 
> (AbstractTabFolder.java:276)
>    at  
> org.eclipse.ui.internal.presentations.r33.DefaultTabFolder.access$1 
> (DefaultTabFolder.java:1)
>    at org.eclipse.ui.internal.presentations.r33.DefaultTabFolder 
> $2.handleEvent(DefaultTabFolder.java:84)
>    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
>    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
>    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
>    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
>    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
>    at org.eclipse.swt.custom.CTabFolder.setSelection 
> (CTabFolder.java:3227)
>    at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2005)
>    at org.eclipse.swt.custom.CTabFolder$1.handleEvent 
> (CTabFolder.java:316)
>    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
>    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
>    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
>    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
>    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
>    at org.eclipse.swt.widgets.Display.runDeferredEvents 
> (Display.java:3348)
>    at org.eclipse.swt.widgets.Control.sendTrackEvents(Control.java: 
> 2734)
>    at org.eclipse.swt.widgets.Control.actionProc(Control.java:115)
>    at org.eclipse.swt.widgets.Display.actionProc(Display.java:355)
>    at org.eclipse.swt.internal.carbon.OS.CallNextEventHandler 
> (Native Method)
>    at org.eclipse.swt.widgets.Widget.kEventControlTrack(Widget.java: 
> 1062)
>    at org.eclipse.swt.widgets.Control.kEventControlTrack 
> (Control.java:1950)
>    at org.eclipse.swt.widgets.Widget.controlProc(Widget.java:367)
>    at org.eclipse.swt.widgets.Display.controlProc(Display.java:835)
>    at org.eclipse.swt.internal.carbon.OS.SendEventToEventTarget 
> (Native Method)
>    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java: 
> 2936)
>    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java: 
> 2389)
>    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
>    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
>    at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
>    at org.eclipse.core.databinding.observable.Realm.runWithDefault 
> (Realm.java:289)
>    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench 
> (Workbench.java:461)
>    at org.eclipse.ui.PlatformUI.createAndRunWorkbench 
> (PlatformUI.java:149)
>    at org.eclipse.ui.internal.ide.application.IDEApplication.start 
> (IDEApplication.java:106)
>    at org.eclipse.equinox.internal.app.EclipseAppHandle.run 
> (EclipseAppHandle.java:153)
>    at  
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplic 
> ation(EclipseAppLauncher.java:106)
>    at  
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start 
> (EclipseAppLauncher.java:76)
>    at org.eclipse.core.runtime.adaptor.EclipseStarter.run 
> (EclipseStarter.java:363)
>    at org.eclipse.core.runtime.adaptor.EclipseStarter.run 
> (EclipseStarter.java:176)
>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>    at sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
>    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
>    at java.lang.reflect.Method.invoke(Method.java:585)
>    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504)
>    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443)
>    at org.eclipse.equinox.launcher.Main.run(Main.java:1169)
>
>
>
>
>
>
>
> java.lang.UnsatisfiedLinkError: no qtcppdesigner in java.library.path
> 	at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682)
> 	at java.lang.Runtime.loadLibrary0(Runtime.java:822)
> 	at java.lang.System.loadLibrary(System.java:992)
> 	at com.trolltech.qtcppdesigner.views.PropertyEditorW.<clinit> 
> (PropertyEditorW.java:21)
> 	at  
> com.trolltech.qtcppdesigner.views.PropertyEditorView.createPartControl 
> (PropertyEditorView.java:16)
> 	at org.eclipse.ui.internal.ViewReference.createPartHelper 
> (ViewReference.java:370)
> 	at org.eclipse.ui.internal.ViewReference.createPart 
> (ViewReference.java:227)
> 	at org.eclipse.ui.internal.WorkbenchPartReference.getPart 
> (WorkbenchPartReference.java:592)
> 	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:299)
> 	at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:531)
> 	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible 
> (PresentablePart.java:179)
> 	at  
> org.eclipse.ui.internal.presentations.util.PresentablePartFolder.selec 
> t(PresentablePartFolder.java:268)
> 	at  
> org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select( 
> LeftToRightTabOrder.java:65)
> 	at  
> org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.sel 
> ectPart(TabbedStackPresentation.java:400)
> 	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection 
> (PartStack.java:1256)
> 	at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java: 
> 1209)
> 	at org.eclipse.ui.internal.PartStack.presentationSelectionChanged 
> (PartStack.java:843)
> 	at org.eclipse.ui.internal.PartStack.access$1(PartStack.java:829)
> 	at org.eclipse.ui.internal.PartStack$1.selectPart(PartStack.java:139)
> 	at  
> org.eclipse.ui.internal.presentations.util.TabbedStackPresentation 
> $1.handleEvent(TabbedStackPresentation.java:131)
> 	at  
> org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent 
> (AbstractTabFolder.java:267)
> 	at  
> org.eclipse.ui.internal.presentations.util.AbstractTabFolder.fireEvent 
> (AbstractTabFolder.java:276)
> 	at  
> org.eclipse.ui.internal.presentations.r33.DefaultTabFolder.access$1 
> (DefaultTabFolder.java:1)
> 	at org.eclipse.ui.internal.presentations.r33.DefaultTabFolder 
> $2.handleEvent(DefaultTabFolder.java:84)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
> 	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
> 	at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java: 
> 3227)
> 	at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2005)
> 	at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java: 
> 316)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1519)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1504)
> 	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1295)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java: 
> 3348)
> 	at org.eclipse.swt.widgets.Control.sendTrackEvents(Control.java:2734)
> 	at org.eclipse.swt.widgets.Control.actionProc(Control.java:115)
> 	at org.eclipse.swt.widgets.Display.actionProc(Display.java:355)
> 	at org.eclipse.swt.internal.carbon.OS.CallNextEventHandler(Native  
> Method)
> 	at org.eclipse.swt.widgets.Widget.kEventControlTrack(Widget.java: 
> 1062)
> 	at org.eclipse.swt.widgets.Control.kEventControlTrack(Control.java: 
> 1950)
> 	at org.eclipse.swt.widgets.Widget.controlProc(Widget.java:367)
> 	at org.eclipse.swt.widgets.Display.controlProc(Display.java:835)
> 	at org.eclipse.swt.internal.carbon.OS.SendEventToEventTarget 
> (Native Method)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2936)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java: 
> 2389)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
> 	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
> 	at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault 
> (Realm.java:289)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench 
> (Workbench.java:461)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java: 
> 149)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start 
> (IDEApplication.java:106)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run 
> (EclipseAppHandle.java:153)
> 	at  
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplic 
> ation(EclipseAppLauncher.java:106)
> 	at  
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start 
> (EclipseAppLauncher.java:76)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run 
> (EclipseStarter.java:363)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run 
> (EclipseStarter.java:176)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1169)

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Message 3 in thread

thank you for your answer.
I have uninstalled the eclipse plugin, now I have Qt installed, and 
eclipse CDT.
I remember I have read a tutorial concerning eclipse  and its 
configuration  when using  Qt  : do you  know such a tutorial (it spoke 
about modify the options of the linker)?

lolveley.

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