Qt 4.8: contactsdlg.cpp Example File (demos/mobile/qcamera/contactsdlg.cpp)

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# contactsdlg.cpp Example File

demos/mobile/qcamera/contactsdlg.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** This file is part of the demonstration applications of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
     **     notice, this list of conditions and the following disclaimer.
     **   * Redistributions in binary form must reproduce the above copyright
     **     notice, this list of conditions and the following disclaimer in
     **     the documentation and/or other materials provided with the
     **     distribution.
     **   * Neither the name of The Qt Company Ltd nor the names of its
     **     contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
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     **
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     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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     #include "contactsdlg.h"
     #include <QHBoxLayout>
     #include <QApplication>
     #include <QAction>
     #include <QTimer>
     #include <QPushButton>

     ContactsDialog::ContactsDialog(QWidget *parent) :
         QDialog(parent)
     {
         QHBoxLayout* l = new QHBoxLayout;
         m_listWidget = new QListWidget(this);
         l->addWidget(m_listWidget);

         QVBoxLayout* lv = new QVBoxLayout;

         QPushButton* backBtn = new QPushButton("Back",this);
         QObject::connect(backBtn, SIGNAL(pressed()), this, SLOT(close()));
         backBtn->setFixedWidth(100);
         lv->addWidget(backBtn);
         lv->setAlignment(backBtn,Qt::AlignTop);

         QPushButton* okBtn = new QPushButton("Ok",this);
         QObject::connect(okBtn, SIGNAL(pressed()), this, SLOT(selectContact()));
         okBtn->setFixedWidth(100);
         lv->addWidget(okBtn);
         lv->setAlignment(okBtn,Qt::AlignBottom);

         l->addLayout(lv);

         setLayout(l);

         // Remove context menu from the all widgets
     #ifdef Q_OS_SYMBIAN
         QWidgetList widgets = QApplication::allWidgets();
         QWidget* w = 0;
         foreach (w,widgets)
             {
                 w->setContextMenuPolicy(Qt::NoContextMenu);
             }
     #endif

         // Create QContactManager and search contacts
         createContactManager();
         searchContact();

         showFullScreen();
     }

     ContactsDialog::~ContactsDialog()
     {
         delete m_contactManager;
     }

     void ContactsDialog::createContactManager()
     {
     #if defined Q_WS_MAEMO_5
         m_contactManager = new QContactManager("maemo5");
     #elif defined Q_OS_SYMBIAN
         m_contactManager = new QContactManager("symbian");
     #endif

         // Use default
         if (!m_contactManager) {
             m_contactManager = new QContactManager();
         }

     }

     void ContactsDialog::searchContact()
     {
         m_listWidget->clear();

         // Sort contacts by lastname
         QContactSortOrder sort;
         sort.setDirection(Qt::AscendingOrder);
         sort.setDetailDefinitionName(QContactName::DefinitionName, QContactName::FieldLastName);

         // Build QListWidget from the contact list
         QList<QContactLocalId> contactIds = m_contactManager->contactIds(sort);
         QContact currContact;
         foreach (const QContactLocalId& id, contactIds)
             {
                 QListWidgetItem *currItem = new QListWidgetItem;
                 currContact = m_contactManager->contact(id);
                 QContactDisplayLabel dl = currContact.detail(QContactDisplayLabel::DefinitionName);
                 currItem->setData(Qt::DisplayRole, dl.label());
                 currItem->setData(Qt::UserRole, currContact.localId()); // also store the id of the contact
                 m_listWidget->addItem(currItem);
             }

         if (m_listWidget->count()>0) {
             m_listWidget->setCurrentRow(0);
         }
     }

     void ContactsDialog::selectContact()
     {
         QList<QListWidgetItem*> items = m_listWidget->selectedItems();
         if (!items.isEmpty()) {
             itemClicked(items.first());
         }
     }

     void ContactsDialog::itemClicked(QListWidgetItem *item)
     {
         QVariant data = item->data(Qt::UserRole);
         QContactLocalId id = data.toInt();
         QContact contact = m_contactManager->contact(id);
         QContactPhoneNumber cpn = contact.detail<QContactPhoneNumber> ();

         // Emit contact phonenumber
         if (!cpn.isEmpty()) {
             emit contactSelected(cpn.number());
             // Close dialog
             close();
         }
     }