Nested box layouts giving unexpected results

[dheerendra]

Let us do one-by-one. Otherwise it is very difficult to fix your issue.

0. Let us take only windowlayout class.
1. Constructor- Remove all the code.
2. Just create only buttons.
3. Add all these buttons to horizontal layout(pBottomLayout).
4. this.setLayout(pBottomLayout).
5. Create the object of WindowLayout in main.cpp
6. Display it.
7. If you see all the buttons in the horizontal manner, then your first step is complete.

If are able to do this, then we can get into next step.

Also consider @SGaist suggestion on using the Wizard as well.

[AaronKelsey]

@dheerendra
I have reduced my code and I have been able to add 4 QPushButtons to a QHBoxLayout and display them horizontally. I have then added the layout to a QFrame widget and it display on the screen at 0,0 of the window. I have then added the frame widget to a QVBoxLayout but it just will not be added to it. when I use pMainLayout->addWidget(pBottomFrame) I expected it to be put inside the vetical layout but nothing happens.

#include "windowlayout.h"

WindowLayout::WindowLayout(QWidget *pParent) :
              QWidget(pParent)
{
  pBottomLayout = new QHBoxLayout();
  pMainLayout = new QVBoxLayout();

  QFrame* pBottomFrame = new QFrame(this);
  pBottomFrame->setFrameStyle(QFrame::Panel | QFrame::Raised);
  pBottomFrame->setLineWidth(2);

  pBackButton = new QPushButton(tr("Back"), this);
  pNextButton = new QPushButton(tr("Next"), this);
  pCancelButton = new QPushButton(tr("Cancel"), this);
  pCertificateButton = new QPushButton(tr("View Certificates"), this);

  // Add widgets to bottom layout
  pBottomLayout->addWidget(pCertificateButton);
  pBottomLayout->addWidget(pBackButton);
  pBottomLayout->addWidget(pNextButton);
  pBottomLayout->addWidget(pCancelButton);

  pBottomFrame->setLayout(pBottomLayout);
  //pBottomFrame->move(50,50);

  pMainLayout->addWidget(pBottomFrame);

  //QLabel* pLabel = new QLabel("Label");
  //pMainLayout->addWidget(pLabel);
}

[dheerendra]

Hang on. Don't do too many things. Just add buttons, horizontal layout and set layout. Then show it. Does it show the 4 buttons. Confirm this first .

[dheerendra]

Just do this in constructor. Show only WindowLayout object. See how does it go.

  pBottomLayout = new QHBoxLayout();
  pBackButton = new QPushButton(tr("Back"), this);
  pNextButton = new QPushButton(tr("Next"), this);
  pCancelButton = new QPushButton(tr("Cancel"), this);
  pCertificateButton = new QPushButton(tr("View Certificates"), this);

  // Add widgets to bottom layout
  pBottomLayout->addWidget(pCertificateButton);
  pBottomLayout->addWidget(pBackButton);
  pBottomLayout->addWidget(pNextButton);
  pBottomLayout->addWidget(pCancelButton);
  this->setLayout(pBottomLayout);

[AaronKelsey]

@dheerendra said in Nested box layouts giving unexpected results:

pBottomLayout = new QHBoxLayout();
pBackButton = new QPushButton(tr("Back"), this);
pNextButton = new QPushButton(tr("Next"), this);
pCancelButton = new QPushButton(tr("Cancel"), this);
pCertificateButton = new QPushButton(tr("View Certificates"), this);

// Add widgets to bottom layout
pBottomLayout->addWidget(pCertificateButton);
pBottomLayout->addWidget(pBackButton);
pBottomLayout->addWidget(pNextButton);
pBottomLayout->addWidget(pCancelButton);
this->setLayout(pBottomLayout);

I can confirm that this code works and shows on the screen.

[dheerendra]

Now let us add the title in the constructor.

QLabel *title  = new QLabel("AaronKelsey");
QVBoxLayout *topLyt = new QVBoxLayout;
topLyt->addWidget(title);
topLyt->addLayout(pBottomLayout);
this->setLayout(topLyt).
/* this->setLayout(pBottomLayout)*/

Now your final layout is topLyt. So remove So
this->setLayout(pBottomLayout) & do like the above.

[AaronKelsey]

@dheerendra I have implemented this code and the title displays correctly, will it be difficult to set page 1/2/3 etc as the middle layout in the vertical box layout?

[dheerendra]

Nothing is difficult. We have to apply the concept one by one. Now do the following

QLabel *title  = new QLabel("AaronKelsey");
QLabel  *centerContent = new QLabel("MidContent");
QVBoxLayout *topLyt = new QVBoxLayout;
topLyt->addWidget(title);
topLyt->addWidget(centerContent);
topLyt->addLayout(pBottomLayout);
this->setLayout(topLyt).

Now tell me what happens. With this you should be able to understand how things work.

[AaronKelsey]

@dheerendra
This is the result so far:

I am understanding how this pieces together by adding widgets. I would like each page to use a vertical layer and for that to be added as the center content, how would you go about this?

[dheerendra]

This is where your QStackWidget comes. Now create the instance of WindowLayout objects in your CertTool. Do the rest of the stuff as shown below.

pPageOne = new WindowLayout
pPageTwo = new WindowLayout
pPageThree = new WindowLayout

pStackedWidget = new QStackedWidget(this);

// Add pages to stacked widget
pStackedWidget->addWidget(pPageOne);
pStackedWidget->addWidget(pPageTwo);
pStackedWidget->addWidget(pPageThree);

// Set Page One as start page
pStackedWidget->setCurrentWidget(pPageOne);

setCentralWidget(pStackedWidget);

// Window settings
window()->setWindowTitle("App");
window()->setMinimumSize(600,450);

// Connect pages to CertTool to allow changing of stacked widget index
connect(pPageOne, SIGNAL(setPage(int)), this, SLOT(setPage(int)));
connect(pPageTwo, SIGNAL(setPage(int)), this, SLOT(setPage(int)));
connect(pPageThree, SIGNAL(setPage(int)), this, SLOT(setPage(int)));