Ok thanks, I'll try that
On Mon, Dec 8, 2014 at 8:49 AM, Jaroslaw Staniek <stan...@kde.org> wrote:
> Hi Patrik,
> Don't you mix Qt4 (calligra libs/headers/symbols) with a Qt5 code?
>
> On 8 December 2014 at 08:30, Patrik Gwét <patrikg...@gmail.com> wrote:
> > I am struggling with an issue while I am using external .h files in my
> > project.
> >
> > I am using Qt5 with MSVC2012. In my main file, I am including a header
> > file from a KDE application. I put some INCLUDEPATH in the .pro file
> > to link correctly.
> >
> > The piece of code I am in trouble with is the following:
> >
> >> main.cpp
> >> ...
> >> #include <Doc.h>
> >>
> >> int main(int argc, char *argv[])
> >> ...
> >
> >
> > The Doc.h belongs to the KDE application source code. Including that
> > file includes many other files in several directories in the KDE
> > application source code.
> >
> > Currently, the KUndo2Stack.h and the KUndo2Stack.cpp files are the
> > files I am struggling with since three days now.
> >
> > When I run QMake and compile, I get a link 2001 errors due to
> > unresolved externals with virtual functions in the KUndo2QStack class
> > defined and implemented in those files. Here is an extract:
> >
> >> #ifndef QT_NO_UNDOSTACK
> >>
> >> class KUNDO2_EXPORT KUndo2QStack : public QObject
> >> {
> >> Q_OBJECT
> >> // Q_DECLARE_PRIVATE(
> >
> > KUndo2QStack)
> > Q_PROPERTY(bool active READ isActive WRITE setActive)
> > Q_PROPERTY(int undoLimit READ undoLimit WRITE setUndoLimit)
> >
> > public:
> > explicit KUndo2QStack(QObject *parent = 0);
> > virtual ~KUndo2QStack();
> > void clear();
> >
> > void push(KUndo2Command *cmd);
> >
> > bool canUndo() const;
> > bool canRedo() const;
> > QString undoText() const;
> > QString redoText() const;
> >
> > int count() const;
> > int index() const;
> > QString actionText(int idx) const;
> > QString text(int idx) const;
> >
> > #ifndef QT_NO_ACTION
> > QAction *createUndoAction(QObject *parent) const;
> > QAction *createRedoAction(QObject *parent) const;
> > #endif // QT_NO_ACTION
> >
> > bool isActive() const;
> > bool isClean() const;
> > int cleanIndex() const;
> >
> > void beginMacro(const QString &text);
> > void endMacro();
> >
> > void setUndoLimit(int limit);
> > int undoLimit() const;
> >
> > const KUndo2Command *command(int index) const;
> >
> > public Q_SLOTS:
> > void setClean();
> > virtual void setIndex(int idx);
> > virtual void undo();
> > virtual void redo();
> > void setActive(bool active = true);
> >
> > Q_SIGNALS:
> > void indexChanged(int idx);
> > void cleanChanged(bool clean);
> > void canUndoChanged(bool canUndo);
> > void canRedoChanged(bool canRedo);
> > void undoTextChanged(const QString &undoActionText);
> > void redoTextChanged(const QString &redoActionText);
> >
> > private:
> > // from QUndoStackPrivate
> > QList<KUndo2Command*> m_command_list;
> > QList<KUndo2Command*> m_macro_stack;
> > int m_index;
> > int m_clean_index;
> > KUndo2Group *m_group;
> > int m_undo_limit;
> >
> > // also from QUndoStackPrivate
> > void setIndex(int idx, bool clean);
> > bool checkUndoLimit();
> >
> > Q_DISABLE_COPY(KUndo2QStack)
> > friend class KUndo2Group;
> > };
> >
> > class KUNDO2_EXPORT KUndo2Stack : public KUndo2QStack
> > {
> > public:
> > explicit KUndo2Stack(QObject *parent = 0);
> >
> > // functions from KUndoStack
> > QAction* createRedoAction(KActionCollection* actionCollection,
> > const QString& actionName = QString());
> > QAction* createUndoAction(KActionCollection* actionCollection,
> > const QString& actionName = QString());
> > };
> >
> > #endif // QT_NO_UNDOSTACK
> >
> > Note that the unresolved links occur only for virtual functions. Those
> > functions are implemented as it follows:
> >
> > KUndo2QStack::~KUndo2QStack()
> > {
> > #ifndef QT_NO_UNDOGROUP
> > if (m_group != 0)
> > m_group->removeStack(this);
> > #endif
> > clear();
> > }
> >
> > void KUndo2QStack::undo()
> > {
> > if (m_index == 0)
> > return;
> >
> > if (!m_macro_stack.isEmpty()) {
> > qWarning("KUndo2QStack::undo(): cannot undo in the middle of a
> > macro");
> > return;
> > }
> >
> > int idx = m_index - 1;
> > m_command_list.at(idx)->undo();
> > setIndex(idx, false);
> > }
> >
> > void KUndo2QStack::redo()
> > {
> > if (m_index == m_command_list.size())
> > return;
> >
> > if (!m_macro_stack.isEmpty()) {
> > qWarning("KUndo2QStack::redo(): cannot redo in the middle of a
> > macro");
> > return;
> > }
> >
> > m_command_list.at(m_index)->redo();
> > setIndex(m_index + 1, false);
> > }
> >
> > void KUndo2QStack::setIndex(int idx)
> > {
> > if (!m_macro_stack.isEmpty()) {
> > qWarning("KUndo2QStack::setIndex(): cannot set index in the
> > middle of a macro");
> > return;
> > }
> >
> > if (idx < 0)
> > idx = 0;
> > else if (idx > m_command_list.size())
> > idx = m_command_list.size();
> >
> > int i = m_index;
> > while (i < idx)
> > m_command_list.at(i++)->redo();
> > while (i > idx)
> > m_command_list.at(--i)->undo();
> >
> > setIndex(idx, false);
> > }
> >
> >
> > I have turned this question upside down looking for answers on the web
> > and the only time I got something was when I deleted the word virtual
> > off all the related functions. It cancelled the errors but I got an
> > unresolved link2019 error with the destructor of the class KUndo2Stack
> > (see the code above). The destructor I am talking about is the default
> > one, you won't see any definition or implementation of it.
> >
> > I need some help to understand what is really going on and how to fix it.
> >
> > The exact error messages are:
> >
> >> main.obj:-1: error: LNK2001: unresolved external symbol "public:
> >> virtual struct QMetaObject const * __cdecl
> >> KUndo2QStack::metaObject(void)const "
> >> (?metaObject@KUndo2QStack@@UEBAPEBUQMetaObject@@XZ)
> >>
> >> main.obj:-1: error: LNK2001: unresolved external symbol "public:
> >> virtual void * __cdecl KUndo2QStack::qt_metacast(char const *)"
> >> (?qt_metacast@KUndo2QStack@@UEAAPEAXPEBD@Z)
> >>
> >> main.obj:-1: error: LNK2001: unresolved external symbol "public:
> >> virtual int __cdecl KUndo2QStack::qt_metacall(enum
> >> QMetaObject::Call,int,void * *)"
> >> (?qt_metacall@KUndo2QStack@@UEAAHW4Call@QMetaObject@@HPEAPEAX@Z)
> >>
> >> main.obj:-1: error: LNK2001: unresolved external symbol "public:
> >> virtual void __cdecl KUndo2QStack::setIndex(int)"
> >> (?setIndex@KUndo2QStack@@UEAAXH@Z)
> >>
> >> main.obj:-1: error: LNK2001: unresolved external symbol "public:
> >> virtual void __cdecl KUndo2QStack::undo(void)"
> >> (?undo@KUndo2QStack@@UEAAXXZ)
> >>
> >> main.obj:-1: error: LNK2001: unresolved external symbol "public:
> >> virtual void __cdecl KUndo2QStack::redo(void)"
> >> (?redo@KUndo2QStack@@UEAAXXZ)
> >>
> >> main.obj:-1: error: LNK2019: unresolved external symbol
> >> "__declspec(dllimport) public: virtual __cdecl
> >> KUndo2Stack::~KUndo2Stack(void)" (__imp_??1KUndo2Stack@@UEAA@XZ)
> >> referenced in function "public: virtual void * __cdecl
> >> KUndo2Stack::`scalar deleting destructor'(unsigned int)"
> >> (??_GKUndo2Stack@@UEAAPEAXI@Z)
> >>
> >> debug\whitehall_0_2.exe:-1: error: LNK1120: 7 unresolved externals
> >
> >
> > Patrik GWET
> >
> > _______________________________________________
> > calligra-devel mailing list
> > calligra-devel@kde.org
> > https://mail.kde.org/mailman/listinfo/calligra-devel
> >
>
>
>
> --
> regards, Jaroslaw Staniek
>
> KDE:
> : A world-wide network of software engineers, artists, writers, translators
> : and facilitators committed to Free Software development - http://kde.org
> Calligra Suite:
> : A graphic art and office suite - http://calligra.org
> Kexi:
> : A visual database apps builder - http://calligra.org/kexi
> Qt Certified Specialist:
> : http://www.linkedin.com/in/jstaniek
> _______________________________________________
> calligra-devel mailing list
> calligra-devel@kde.org
> https://mail.kde.org/mailman/listinfo/calligra-devel
>
--
__________________________________
*Patrik Gwét*
SAS Analyst - Auditor
*Phone:* +237 699901747
patrikg...@gmail.com
____________________________________________
_______________________________________________
calligra-devel mailing list
calligra-devel@kde.org
https://mail.kde.org/mailman/listinfo/calligra-devel
