Allow Many QWidgets to be Shown into One QWidget ?

[Fatla]

I've created Many (.UI) , made a (Header File + .cpp) to each .UI in order to implement their own slots , & Linked them by making a widget to be shown using :

// CustomSlot2 implements the slots inside the 2nd .UI
CustomSlot2* widget = new CustomSlot2();   
 widget->setAttribute(Qt::WA_DeleteOnClose);
  widget->show();

// CustomSlot2 implements the slots inside the 2nd .UI
CustomSlot2* widget = new CustomSlot2();   
 widget->setAttribute(Qt::WA_DeleteOnClose);
  widget->show();

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CustomSlot2 Constructor's Code is :

CustomSlot2::CustomSlot2(QWidget *parent): QWidget(parent)
 {
    formTwo.setupUi(this);
 
 }

CustomSlot2::CustomSlot2(QWidget *parent): QWidget(parent)
 {
    formTwo.setupUi(this);

 }

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So far so Good . However , by making this approach there's a flicker when you Open & Hide/Close Windows .
I've thought in an alternative way ;that I'll Drag & Drop a QWidget into my Main Window using QT Design.
The Problem : How Could I open my .UIs into the QWidget that I've added @ MainWindow .

The MainWindow's header file generated by "make" :

class Ui_MainForm
{
public:
    QPushButton *btnProcess;
    QLineEdit *txtInput;
    QLineEdit *txtResult;
    QPushButton *btnNext;
    QWidget *widget;
//........................ etc

class Ui_MainForm
{
public:
    QPushButton *btnProcess;
    QLineEdit *txtInput;
    QLineEdit *txtResult;
    QPushButton *btnNext;
    QWidget *widget;
//........................ etc

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Thanks .

[aamer4yu]

The ui must be creating classes for you, isnt it ?
well add those classes/windows into ur main window as u would add a widget...
hope i understand what you meant

[Fatla]

well add those classes/windows into ur main window as u would add a widget...

How could I make all the .UIs show in the same Widget @ Main Window ?

hope i understand what you meant

Actually , It's My mistake that I didn't clarify my Problem well .
So , Let me clarify it again ;
Now , I'm @ QT Design then I create a normal widget ,add ctrls into it.
I make the previous step 4 times . So now I've 4 .UIs that have there own ctrls into it .
To Each UI, I create its (.h + .cpp ) to implement my own slots .
Well now I open ,using QT Design ,the 1st .ui I 've made & Drag & Drop Widget into it , which is located into Container Section .
The Problem : is how to make other .UIs open into the widget I created @ the 1st .ui I 've made .

Thanks .

[jpn]

You can add a plain QWidget on the form and promote it as a custom widget (which loads another ui).

[Fatla]

Thanks aamer4yu.
Perfect jpn .

It works now after using Promoting .
@ the MainWindow I've added a plain QWidget into it .
I've noticed that its header file generated by "make" creates instance of CustomSlot (which implements the slots of the form appears into the plain widget @ MainWindow form .

The Problem :now I want to replace the .UI that opened into the plain widget @ MainWindow with another .UI @ SAme plain Widget


Header File's code generated of MainWindow that Contains the plain widget :

class Ui_MainForm
{
public:
    CustomSlot *MiniWidget;  // MiniWidget = The Plain widget
 
    void setupUi(QWidget *MainForm)
    {
    if (MainForm->objectName().isEmpty())
        MainForm->setObjectName(QString::fromUtf8("MainForm"));
    MainForm->resize(530, 402);
    MiniWidget = new CustomSlot(MainForm);
    MiniWidget->setObjectName(QString::fromUtf8("MiniWidget"));
    MiniWidget->setGeometry(QRect(39, 29, 451, 301));
 
    retranslateUi(MainForm);
 
    QMetaObject::connectSlotsByName(MainForm);
    } // setupUi
 
    void retranslateUi(QWidget *MainForm)
    {
    MainForm->setWindowTitle(QApplication::translate("MainForm", "Main Form", 0, QApplication::UnicodeUTF8));
    Q_UNUSED(MainForm);
    } // retranslateUi
 
};
 
namespace Ui {
    class MainForm: public Ui_MainForm {};
} // namespace Ui
 
QT_END_NAMESPACE
 
#endif // UI_MAINWINDOW_H

class Ui_MainForm
{
public:
    CustomSlot *MiniWidget;  // MiniWidget = The Plain widget

    void setupUi(QWidget *MainForm)
    {
    if (MainForm->objectName().isEmpty())
        MainForm->setObjectName(QString::fromUtf8("MainForm"));
    MainForm->resize(530, 402);
    MiniWidget = new CustomSlot(MainForm);
    MiniWidget->setObjectName(QString::fromUtf8("MiniWidget"));
    MiniWidget->setGeometry(QRect(39, 29, 451, 301));

    retranslateUi(MainForm);

    QMetaObject::connectSlotsByName(MainForm);
    } // setupUi

    void retranslateUi(QWidget *MainForm)
    {
    MainForm->setWindowTitle(QApplication::translate("MainForm", "Main Form", 0, QApplication::UnicodeUTF8));
    Q_UNUSED(MainForm);
    } // retranslateUi

};

namespace Ui {
    class MainForm: public Ui_MainForm {};
} // namespace Ui

QT_END_NAMESPACE

#endif // UI_MAINWINDOW_H

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Main.cpp 's code :

#include <QApplication>
#include "ui_MainWindow.h"
#include "MainApp.cpp"
 
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);    
 
      MainApp widget;
     widget.show(); 
 
     return app.exec();
 
 
}

#include <QApplication>
#include "ui_MainWindow.h"
#include "MainApp.cpp"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);    
      
      MainApp widget;
     widget.show(); 

     return app.exec();
	 

}

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The MainApp's code that implements slots of the MainWindow :

MainApp::MainApp(QWidget *parent): QWidget(parent)
 {
    ui.setupUi(this);
 }

MainApp::MainApp(QWidget *parent): QWidget(parent)
 {
    ui.setupUi(this);
 }

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Thanks

[aamer4yu]

What do u mean replace ? If you mean to show another widget in same area, you can have a look at QStackedWidget. It allows you to show one widget at a time in the same area

[Fatla]

So , do you mean that there 's NO Way to use the plain widget to solve my problem ?!!
Mmmm what about using many plain widgets @ the MainWindow & specify each one of them to a .ui ?!!
If I follow that way , how could I ctrl in showing & closing/hiding the plain widgets ?

Thanks

[jpn]

Just place a stacked widget on your form as proposed. Then make each page of the stack contain a different custom widget (which all load their own ui files). Switching from one custom widget to another is only a matter of switching the current widget in the stack.

[Fatla]

Just place a stacked widget on your form as proposed. Then make each page of the stack contain a different custom widget (which all load their own ui files). Switching from one custom widget to another is only a matter of switching the current widget in the stack.

Actually I put set of plain widgets over each other @ my MainWindow .
Then I promote each one to the proper .ui .
Then @ my main : I've created instance of QStackedWidget & put into it the plain widgets that I've just created .

Problems :
- Program doesn't run even an .exe is generated + Exception is appeared
- I was thinking that after creating my instance of StackedObject, I'll use it to ctrl which UI is going to be appeared , How could I achieve smth like that ?!!

My Main 's code :

#include <QApplication>
#include "ui_MainWindow.h"
#include "MainApp.cpp"
#include <QStackedWidget>
 
 
int main(int argc, char *argv[])
{
       QApplication app(argc, argv);    
 
	QStackedWidget *StackedWidget = new QStackedWidget;	
	Ui_MainForm ui;
 
	StackedWidget->addWidget(ui.MiniWidget);
	StackedWidget->addWidget(ui.MiniWidget2);
 
	MainApp Widget;
	Widget.show(); 
	return app.exec();
 
}

#include <QApplication>
#include "ui_MainWindow.h"
#include "MainApp.cpp"
#include <QStackedWidget>


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

	QStackedWidget *StackedWidget = new QStackedWidget;	
	Ui_MainForm ui;

	StackedWidget->addWidget(ui.MiniWidget);
	StackedWidget->addWidget(ui.MiniWidget2);
	
	MainApp Widget;
	Widget.show(); 
	return app.exec();
	 
}

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-------------------------------------------------------------------------
MainWindow's generated code that contains the plain widgetS :

#ifndef UI_MAINWINDOW_H
#define UI_MAINWINDOW_H
 
#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QButtonGroup>
#include <QtGui/QWidget>
#include <customslot2.h>
#include "customslot.h"
 
QT_BEGIN_NAMESPACE
 
class Ui_MainForm
{
public:
   // These are the Plain Widgets I created  
    CustomSlot *MiniWidget;
    CustomSlot2 *MiniWidget2;
 
    void setupUi(QWidget *MainForm)
    {
    if (MainForm->objectName().isEmpty())
        MainForm->setObjectName(QString::fromUtf8("MainForm"));
    MainForm->resize(530, 402);
    MiniWidget = new CustomSlot(MainForm);
    MiniWidget->setObjectName(QString::fromUtf8("MiniWidget"));
    MiniWidget->setGeometry(QRect(39, 29, 451, 301));
    MiniWidget2 = new CustomSlot2(MiniWidget);
    MiniWidget2->setObjectName(QString::fromUtf8("MiniWidget2"));
    MiniWidget2->setGeometry(QRect(0, 110, 461, 301));
 
    retranslateUi(MainForm);
 
    QMetaObject::connectSlotsByName(MainForm);
    } // setupUi
 
    void retranslateUi(QWidget *MainForm)
    {
    MainForm->setWindowTitle(QApplication::translate("MainForm", "Main Form", 0, QApplication::UnicodeUTF8));
    Q_UNUSED(MainForm);
    } // retranslateUi
 
};
 
namespace Ui {
    class MainForm: public Ui_MainForm {};
} // namespace Ui
 
QT_END_NAMESPACE
 
#endif // UI_MAINWINDOW_H

#ifndef UI_MAINWINDOW_H
#define UI_MAINWINDOW_H

#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QButtonGroup>
#include <QtGui/QWidget>
#include <customslot2.h>
#include "customslot.h"

QT_BEGIN_NAMESPACE

class Ui_MainForm
{
public:
   // These are the Plain Widgets I created  
    CustomSlot *MiniWidget;
    CustomSlot2 *MiniWidget2;

    void setupUi(QWidget *MainForm)
    {
    if (MainForm->objectName().isEmpty())
        MainForm->setObjectName(QString::fromUtf8("MainForm"));
    MainForm->resize(530, 402);
    MiniWidget = new CustomSlot(MainForm);
    MiniWidget->setObjectName(QString::fromUtf8("MiniWidget"));
    MiniWidget->setGeometry(QRect(39, 29, 451, 301));
    MiniWidget2 = new CustomSlot2(MiniWidget);
    MiniWidget2->setObjectName(QString::fromUtf8("MiniWidget2"));
    MiniWidget2->setGeometry(QRect(0, 110, 461, 301));

    retranslateUi(MainForm);

    QMetaObject::connectSlotsByName(MainForm);
    } // setupUi

    void retranslateUi(QWidget *MainForm)
    {
    MainForm->setWindowTitle(QApplication::translate("MainForm", "Main Form", 0, QApplication::UnicodeUTF8));
    Q_UNUSED(MainForm);
    } // retranslateUi

};

namespace Ui {
    class MainForm: public Ui_MainForm {};
} // namespace Ui

QT_END_NAMESPACE

#endif // UI_MAINWINDOW_H

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Thanks

[Fatla]

I've tried many times to use QStackedWidget . However , I'm facing a few difficulties with it .
Problem : How Could I use it into my app ,mentioned b4 ?!!

[Fatla]

I've made a little progress .
I've just noticed that there's @ QT Design smth called "stacked Widget" .

I 've promoted to the Stacked Widget one of my .UI .

Problem :
- I got an error : 'class CustomSlot' has no member named 'addWidget' ?!!
- I 've noticed that I can add any number of pages @ Stacked Widget , so How Can I promote different .UI , to each page I 've ?

Header File 's code that has the custom Widget

#ifndef UI_FORM2_H
#define UI_FORM2_H
 
#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QButtonGroup>
#include <QtGui/QGroupBox>
#include <QtGui/QLabel>
#include <QtGui/QLineEdit>
#include <QtGui/QPushButton>
#include <QtGui/QRadioButton>
#include <QtGui/QTableView>
#include <QtGui/QWidget>
#include <customslot.h>
 
QT_BEGIN_NAMESPACE
 
class Ui_FormTWo
{
public:
    QPushButton *btnGender;
    QGroupBox *gpBoxGender;
    QRadioButton *rdBtnMale;
    QRadioButton *rdBtnFemale;
    QLabel *lblSelectedFilePath;
    QPushButton *btnBrowse;
    QPushButton *pushButton;
    QLineEdit *txtFileData;
    QPushButton *pushButton_2;
    QPushButton *btnReadImage;
    QTableView *TableViewData;
    QPushButton *btnSaveAs;
    CustomSlot *stackedWidget;
    QWidget *Form1;
    QWidget *Form2;
 
    void setupUi(QWidget *FormTwo)
    {
    stackedWidget = new CustomSlot(FormTwo);
    stackedWidget->setObjectName(QString::fromUtf8("stackedWidget"));
    stackedWidget->setGeometry(QRect(540, 230, 171, 131));
    Form1 = new QWidget();
    Form1->setObjectName(QString::fromUtf8("Form1"));
    Form1->setGeometry(QRect(0, 0, 171, 131));
    stackedWidget->addWidget(Form1);
    Form2 = new QWidget();
    Form2->setObjectName(QString::fromUtf8("Form2"));
    Form2->setGeometry(QRect(0, 0, 171, 131));
    stackedWidget->addWidget(Form2);
 
    retranslateUi(FormTwo);
 
    stackedWidget->setCurrentIndex(0);
 
 
 
    } // setupUi
 
    void retranslateUi(QWidget *FormTanya)
    {
    // ...........................etc
    } // retranslateUi
 
};
 
namespace Ui {
    class FormTwo: public Ui_FormTwo {};
} // namespace Ui
 
QT_END_NAMESPACE
 
#endif // UI_FORM2_H

#ifndef UI_FORM2_H
#define UI_FORM2_H

#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QButtonGroup>
#include <QtGui/QGroupBox>
#include <QtGui/QLabel>
#include <QtGui/QLineEdit>
#include <QtGui/QPushButton>
#include <QtGui/QRadioButton>
#include <QtGui/QTableView>
#include <QtGui/QWidget>
#include <customslot.h>

QT_BEGIN_NAMESPACE

class Ui_FormTWo
{
public:
    QPushButton *btnGender;
    QGroupBox *gpBoxGender;
    QRadioButton *rdBtnMale;
    QRadioButton *rdBtnFemale;
    QLabel *lblSelectedFilePath;
    QPushButton *btnBrowse;
    QPushButton *pushButton;
    QLineEdit *txtFileData;
    QPushButton *pushButton_2;
    QPushButton *btnReadImage;
    QTableView *TableViewData;
    QPushButton *btnSaveAs;
    CustomSlot *stackedWidget;
    QWidget *Form1;
    QWidget *Form2;

    void setupUi(QWidget *FormTwo)
    {
    stackedWidget = new CustomSlot(FormTwo);
    stackedWidget->setObjectName(QString::fromUtf8("stackedWidget"));
    stackedWidget->setGeometry(QRect(540, 230, 171, 131));
    Form1 = new QWidget();
    Form1->setObjectName(QString::fromUtf8("Form1"));
    Form1->setGeometry(QRect(0, 0, 171, 131));
    stackedWidget->addWidget(Form1);
    Form2 = new QWidget();
    Form2->setObjectName(QString::fromUtf8("Form2"));
    Form2->setGeometry(QRect(0, 0, 171, 131));
    stackedWidget->addWidget(Form2);

    retranslateUi(FormTwo);
    
    stackedWidget->setCurrentIndex(0);


    
    } // setupUi

    void retranslateUi(QWidget *FormTanya)
    {
    // ...........................etc
    } // retranslateUi

};

namespace Ui {
    class FormTwo: public Ui_FormTwo {};
} // namespace Ui

QT_END_NAMESPACE

#endif // UI_FORM2_H

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---------------------------------------------------------------------------------
My CustomSlot 's code :

#include"CustomSlot.h"
#include "ui_Test.h"
 
#include "ui_Form2.h"
#include"CustomSlot2.cpp"
 
 
 
CustomSlot::CustomSlot(QWidget *parent): QWidget(parent)
 {
    ui.setupUi(this);
 }
// ......................etc

#include"CustomSlot.h"
#include "ui_Test.h"

#include "ui_Form2.h"
#include"CustomSlot2.cpp"



CustomSlot::CustomSlot(QWidget *parent): QWidget(parent)
 {
    ui.setupUi(this);
 }
// ......................etc

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Thanks .

[Fatla]

Now I've 2 issues :
1- How could I also disable "Maximize" & "Minimize" ?
2- How could I enable them after I've just disabled them ?


Thanks .