How to show a QDialog ( Designed ) ?

[hakermania]

I don't know if you understand the problem. I understood the Bong's problem. His has 2 ui files. One ui is its main file. The other ui is specially designed for the QDialog. How to connect the other.ui file with the push Button???

[Zlatomir]

I understood his problem, and the solution is in front of you:

#include "example.h"
#include "ui_example.h"
#include "what_ever_dialog_class_with_ui.h"   //include the header file
 
example::example(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::example)
{
    ui->setupUi(this);
    connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked()));  //connect... the signal with slot ... 
 
}
 
example::~example()
{
    delete ui;
}
 
void example::on_pushButton_clicked()
{
    //use the other class to instantiate the QDialog or the QDialog derived class (with or without ui) 
    what_ever_dialog_class_with_ui *gamatos = new what_ever_dialog_class_with_ui(this); //you need to pass 'this' as parent so that you don't get a memory leak
    gamatos->show(); //you show the dialog
}
 
void example::changeEvent(QEvent *e)
{
    QMainWindow::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}

#include "example.h"
#include "ui_example.h"
#include "what_ever_dialog_class_with_ui.h"   //include the header file

example::example(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::example)
{
    ui->setupUi(this);
    connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked()));  //connect... the signal with slot ... 

}

example::~example()
{
    delete ui;
}

void example::on_pushButton_clicked()
{
    //use the other class to instantiate the QDialog or the QDialog derived class (with or without ui) 
    what_ever_dialog_class_with_ui *gamatos = new what_ever_dialog_class_with_ui(this); //you need to pass 'this' as parent so that you don't get a memory leak
    gamatos->show(); //you show the dialog
}

void example::changeEvent(QEvent *e)
{
    QMainWindow::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}

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[Bong.Da.City]

I cannot understand what should i change on what_ever_dialog_class_with_ui ? look what i have done..

#include "example.h"
#include "ui_example.h"
#include "hi.h" //include the header file
 
example::example(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::example)
 
{
ui->setupUi(this);
QDialog *gamatos = new QDialog(this);
connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked())); //connect... the signal with slot ...
}
 
example::~example()
{
delete ui;
}
 
void example::on_pushButton_clicked()
 
{
//use the other class to instantiate the QDialog or the QDialog derived class (with or without ui)
hi.h *gamatos = new QDialog(this); //you need to pass 'this' as parent so that you don't get a memory leak
gamatos->show(); //you show the dialog
}
 
void example::changeEvent(QEvent *e)
{
QMainWindow::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}

#include "example.h"
#include "ui_example.h"
#include "hi.h" //include the header file

example::example(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::example)

{
ui->setupUi(this);
QDialog *gamatos = new QDialog(this);
connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked())); //connect... the signal with slot ...
}

example::~example()
{
delete ui;
}

void example::on_pushButton_clicked()

{
//use the other class to instantiate the QDialog or the QDialog derived class (with or without ui)
hi.h *gamatos = new QDialog(this); //you need to pass 'this' as parent so that you don't get a memory leak
gamatos->show(); //you show the dialog
}

void example::changeEvent(QEvent *e)
{
QMainWindow::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}

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[Zlatomir]

#include "example.h"
#include "ui_example.h"
#include "hi.h"   //include the header file
 
example::example(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::example)
{
    ui->setupUi(this);
 
// note that the declaration of pointer can be done only once
 
    connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked()));  //connect... the signal with slot ... 
 
}
 
example::~example()
{
    delete ui;
}
 
void example::on_pushButton_clicked()
{
   //use the other class to instantiate the QDialog or the QDialog derived class (with or without ui) 
 
   hi *gamatos = new hi(this);  //this is valid if the class name is "hi"... replace that with your class name  //you need to pass 'this' as parent so that you don't get a memory leak
 
   gamatos->show(); //you show the dialog
}
 
void example::changeEvent(QEvent *e)
{
    QMainWindow::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}

#include "example.h"
#include "ui_example.h"
#include "hi.h"   //include the header file

example::example(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::example)
{
    ui->setupUi(this);

// note that the declaration of pointer can be done only once

    connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked()));  //connect... the signal with slot ... 

}

example::~example()
{
    delete ui;
}

void example::on_pushButton_clicked()
{
   //use the other class to instantiate the QDialog or the QDialog derived class (with or without ui) 
   
   hi *gamatos = new hi(this);  //this is valid if the class name is "hi"... replace that with your class name  //you need to pass 'this' as parent so that you don't get a memory leak
    
   gamatos->show(); //you show the dialog
}

void example::changeEvent(QEvent *e)
{
    QMainWindow::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}

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NOTE: the code changed a bit... i corrected in the previous post, but you already copied... you can't declare the pointer twice (you don't declare it in the constructor, only in the slot)

[Bong.Da.City]

Ok i founded it.. .But know two Qdialogs are been shown :P

#include "example.h"
#include "ui_example.h"
#include "hi.h" //include the header file
 
example::example(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::example)
 
{
ui->setupUi(this);
connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked())); //connect... the signal with slot ...
}
 
example::~example()
{
delete ui;
}
 
void example::on_pushButton_clicked()
 
{
//use the other class to instantiate the QDialog or the QDialog derived class (with or without ui)
hi *gamatos = new hi(this); //you need to pass 'this' as parent so that you don't get a memory leak
gamatos->show(); //you show the dialog
}
 
void example::changeEvent(QEvent *e)
{
QMainWindow::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}

#include "example.h"
#include "ui_example.h"
#include "hi.h" //include the header file

example::example(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::example)

{
ui->setupUi(this);
connect(ui->pushButton, SIGNAL(clicked()), this, SLOT(on_pushButton_clicked())); //connect... the signal with slot ...
}

example::~example()
{
delete ui;
}

void example::on_pushButton_clicked()

{
//use the other class to instantiate the QDialog or the QDialog derived class (with or without ui)
hi *gamatos = new hi(this); //you need to pass 'this' as parent so that you don't get a memory leak
gamatos->show(); //you show the dialog
}

void example::changeEvent(QEvent *e)
{
QMainWindow::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}

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[Zlatomir]

See the constructor... and the edits of my previous posts... you initialize the second dialog twice (create two dialogs... with two pointers that have the same name...)

[Zlatomir]

Or, maybe the name of the slot match the autoconnect rules (i gave you a link in a previous post)

You can rename the slot: something like

void example::openDialog()  //and connect with this slot name
{
//use the other class to instantiate the QDialog or the QDialog derived class (with or without ui)
hi *gamatos = new hi(this); //you need to pass 'this' as parent so that you don't get a memory leak
gamatos->show(); //you show the dialog
}

void example::openDialog()  //and connect with this slot name
{
//use the other class to instantiate the QDialog or the QDialog derived class (with or without ui)
hi *gamatos = new hi(this); //you need to pass 'this' as parent so that you don't get a memory leak
gamatos->show(); //you show the dialog
}

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Or don't connect manually and let autoconnect do the connection

[Bong.Da.City]

Ok it works... Many thanks.. I need it..