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Archived:Creating Context Menu from QPushButton

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mind_freak (Talk | contribs)
mind_freak (Talk | contribs)
Line 42: Line 42:
 
button::~button()
 
button::~button()
 
{
 
{
  if(menu)
+
// No need to delete any object that got a parent that is properly deleted.
  {
+
      delete menu;
+
  }
+
  if(but1)
+
  {
+
      delete but1;
+
  }
+
  if(lay)
+
  {
+
      delete lay;
+
  }
+
 
+
 
}
 
}
 
</code>
 
</code>

Revision as of 20:09, 1 August 2009

Article Metadata
Tested with
Devices(s): 5800 Xpress Muzic
Compatibility
Platform(s): S60 3rd Edition, S60 5th Edition
Symbian
Article
Keywords: QPushButton
Created: (27 Jun 2009)
Last edited: mind_freak (01 Aug 2009)

Contents

Introduction

Program shows the menu generated when button is pressed.

Preconditions

Source Code

Source File

#include "button.h"
#include "ui_button.h"
 
button::button(QWidget *parent)
: QWidget(parent)
{
lay=new QHBoxLayout(this);
menu=new QMenu(this);
menu->addMenu("Nokia");
menu->addMenu("N96");
menu->addMenu("N97");
but1=new QPushButton("Menu");
but1->setMenu(menu);
lay->addWidget(but1);
setLayout(lay);
}
 
button::~button()
{
// No need to delete any object that got a parent that is properly deleted.
}

Screenshot

Butmenu.JPG

Butmenu1.JPG


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