making tab width size smaller

[Alex22]

hi,
i have wrote under code. while clicking on button4 (ok) 2 editlines will be invisiable. when those. are invisiable, i need tab be smaller and fit to the pushbuttons instead of pushbuttons be larger. thanks for any help

#include "mainwindow.h"
 
#include <QApplication>
#include <QWidget>
#include <QLineEdit>
#include <QCheckBox>
#include <QTabWidget>
#include <QPushButton>
#include <QGridLayout>
 
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    //MainWindow w;
    //w.show();
    QWidget qwd;
    QWidget t1;
    QTabWidget tab(&qwd);
    tab.addTab(&t1,"tab");
 
    QGridLayout gl_tab(&t1);
    QGridLayout gl_qwd(&qwd);
 
    QPushButton p1(&t1);
    QPushButton p2(&t1);
    QLineEdit l1(&t1);
    QLineEdit l2(&t1);
    gl_tab.addWidget(&l1,0,0);
    gl_tab.addWidget(&l2,1,0);
    gl_tab.addWidget(&p1,0,1);
    gl_tab.addWidget(&p2,1,1);
    l1.setVisible(1);
    l2.setVisible(1);
 
 
    QPushButton p3(&qwd);
 
    QPushButton p4(&qwd);
    p4.setText("ok");
 
    QPushButton p5(&qwd);
 
    gl_qwd.addWidget(&tab,0,0,1,1);
    gl_qwd.addWidget(&p3,0,1,1,1);
    gl_qwd.addWidget(&p4,1,0,1,1);
    gl_qwd.addWidget(&p5,1,1,1,1);
 
    QObject::connect(&p4, SIGNAL(clicked(bool)), &l1, SLOT(setVisible(bool)));
    QObject::connect(&p4, SIGNAL(clicked(bool)), &l2, SLOT(setVisible(bool)));
 
    qwd.show();
    return a.exec();
}

#include "mainwindow.h"

#include <QApplication>
#include <QWidget>
#include <QLineEdit>
#include <QCheckBox>
#include <QTabWidget>
#include <QPushButton>
#include <QGridLayout>


int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    //MainWindow w;
    //w.show();
    QWidget qwd;
    QWidget t1;
    QTabWidget tab(&qwd);
    tab.addTab(&t1,"tab");

    QGridLayout gl_tab(&t1);
    QGridLayout gl_qwd(&qwd);

    QPushButton p1(&t1);
    QPushButton p2(&t1);
    QLineEdit l1(&t1);
    QLineEdit l2(&t1);
    gl_tab.addWidget(&l1,0,0);
    gl_tab.addWidget(&l2,1,0);
    gl_tab.addWidget(&p1,0,1);
    gl_tab.addWidget(&p2,1,1);
    l1.setVisible(1);
    l2.setVisible(1);


    QPushButton p3(&qwd);

    QPushButton p4(&qwd);
    p4.setText("ok");

    QPushButton p5(&qwd);

    gl_qwd.addWidget(&tab,0,0,1,1);
    gl_qwd.addWidget(&p3,0,1,1,1);
    gl_qwd.addWidget(&p4,1,0,1,1);
    gl_qwd.addWidget(&p5,1,1,1,1);

    QObject::connect(&p4, SIGNAL(clicked(bool)), &l1, SLOT(setVisible(bool)));
    QObject::connect(&p4, SIGNAL(clicked(bool)), &l2, SLOT(setVisible(bool)));

    qwd.show();
    return a.exec();
}

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[anda_skoa]

You can try resizing the widget to its sizeHint() or even resizing to 0,0 and let the layout expand it again as necessary.

Cheers,
_