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#include "myinputpanel.h"

//! [0]

MyInputPanel::MyInputPanel()

    : QWidget(0, Qt::Tool | Qt::WindowStaysOnTopHint),

      lastFocusedWidget(0)

{

    form.setupUi(this);

    connect(qApp, SIGNAL(focusChanged(QWidget*,QWidget*)),

            this, SLOT(saveFocusWidget(QWidget*,QWidget*)));

    signalMapper.setMapping(form.panelButton_1, form.panelButton_1);

    signalMapper.setMapping(form.panelButton_2, form.panelButton_2);

    signalMapper.setMapping(form.panelButton_3, form.panelButton_3);

    signalMapper.setMapping(form.panelButton_4, form.panelButton_4);

    signalMapper.setMapping(form.panelButton_5, form.panelButton_5);

    signalMapper.setMapping(form.panelButton_6, form.panelButton_6);

    signalMapper.setMapping(form.panelButton_7, form.panelButton_7);

    signalMapper.setMapping(form.panelButton_8, form.panelButton_8);

    signalMapper.setMapping(form.panelButton_9, form.panelButton_9);

    signalMapper.setMapping(form.panelButton_star, form.panelButton_star);

    signalMapper.setMapping(form.panelButton_0, form.panelButton_0);

    signalMapper.setMapping(form.panelButton_hash, form.panelButton_hash);

    connect(form.panelButton_1, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_2, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_3, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_4, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_5, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_6, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_7, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_8, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_9, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_star, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_0, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(form.panelButton_hash, SIGNAL(clicked()),

            &signalMapper, SLOT(map()));

    connect(&signalMapper, SIGNAL(mapped(QWidget*)),

            this, SLOT(buttonClicked(QWidget*)));

}

//! [0]

bool MyInputPanel::event(QEvent *e)

{

    switch (e->type()) {

//! [1]

    case QEvent::WindowActivate:

        if (lastFocusedWidget)

            lastFocusedWidget->activateWindow();

        break;

//! [1]

    default:

        break;

    }

    return QWidget::event(e);

}

//! [2]

void MyInputPanel::saveFocusWidget(QWidget * /*oldFocus*/, QWidget *newFocus)

{

    if (newFocus != 0 && !this->isAncestorOf(newFocus)) {

        lastFocusedWidget = newFocus;

    }

}

//! [2]

//! [3]

void MyInputPanel::buttonClicked(QWidget *w)

{

    QChar chr = qvariant_cast<QChar>(w->property("buttonValue"));

    emit characterGenerated(chr);

}

//! [3]