Problem in combobox

[Niamita]

Hi all
when i am including #include<QComboBox> in my header file , following are the error message

c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:139: error: expected identifier before numeric constant
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:139: error: expected '}' before numeric constant
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:139: error: expected unqualified-id before numeric constant
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:142: error: 'FrameFeature' was not declared in this scope
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:142: error: template argument 1 is invalid
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:142: error: invalid type in declaration before ';' token
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:145: error: expected unqualified-id before ')' token
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:146: error: expected unqualified-id before 'const'
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:146: error: expected ')' before 'const'
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:147: error: expected unqualified-id before 'const'
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:147: error: expected ')' before 'const'
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:148: error: 'QStyleOptionFrameV2& operator=(const QStyleOptionFrame&)' must be a nonstatic member function
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:150: error: expected unqualified-id before 'protected'
c:\QtSDK1\Desktop\Qt\4.7.3\mingw\include/QtGui/qstyleoption.h:152: error: expected declaration before '}' token


Please suggest what is wrong with this.

Thanks
Waiting for reply.

[Spitfire]

Does it happen only for the combo box?
What about other widgets, list, button, etc? Do they work?
Is it a Qt app or non-qt app where you want to add qt widget?

[Niamita]

yes it is happening with combobox only , other widgets working well.
earlier combobox also worked.

[Lykurg]

Hi, have you altered the Qt sources? Can you please post the lines above and below your include.

[Niamita]

I did not altered any qt source file.
This is my header file in which as i include QComboBox file it gives me above line of errors

#ifndef SETTINGS_FRAME_H
#define SETTINGS_FRAME_H
 
#include<QFrame>
#include<QLabel>
#include<QPushButton>
#include<QLineEdit>
#include<QComboBox>
 
 
class Settings_frame : public QFrame
{
    Q_OBJECT
public:
    QPushButton  *button_cancel;
    Settings_frame(QWidget *parent = 0);
    void loadsetting();
    void savesettings();
 
private:
    QLabel *label_screen_name, *label_zone_name, *label_control_1, *label_control_2, *label_control_3;
    QPushButton *button_save;
    QLineEdit *line_control_1, *line_control_2, *line_zone_name, *line_screen_name, *line_control_3;
    QComboBox *combobox_screens, *combobox_zone;
 
 
};
#endif // SETTINGS_FRAME_H

#ifndef SETTINGS_FRAME_H
#define SETTINGS_FRAME_H

#include<QFrame>
#include<QLabel>
#include<QPushButton>
#include<QLineEdit>
#include<QComboBox>


class Settings_frame : public QFrame
{
    Q_OBJECT
public:
    QPushButton  *button_cancel;
    Settings_frame(QWidget *parent = 0);
    void loadsetting();
    void savesettings();

private:
    QLabel *label_screen_name, *label_zone_name, *label_control_1, *label_control_2, *label_control_3;
    QPushButton *button_save;
    QLineEdit *line_control_1, *line_control_2, *line_zone_name, *line_screen_name, *line_control_3;
    QComboBox *combobox_screens, *combobox_zone;


};
#endif // SETTINGS_FRAME_H

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[myta212]

Hi,
I dont see any of problem at your header file. Maybe in other file. Can you show error message after you type "make" command?

Best regards,

Myta

[Spitfire]

IMHO you should not #include <> in the header file anything that you don't need in the header.
I would forward-declare all the elements in the header and include the correct headers in implementation file.

#include<QFrame>
 
class QLabel
class QPushButton
class QLineEdit
class QComboBox

#include<QFrame>

class QLabel
class QPushButton
class QLineEdit
class QComboBox

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