VuoKeyComboBox.cc

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#include "VuoKeyComboBox.hh"
 
#include "VuoHeap.h"
 
extern "C"
{
    #include "VuoKey.h"
}
 
bool VuoKeyComboBox::isPairOfItemsSorted(pair<QString, QVariant> item1, pair<QString, QVariant> item2)
{
    if (item1.first == item2.first)
        return false;
 
    QString texts[] = { item1.first, item2.first };
    Group groups[2];
    for (int i = 0; i < 2; ++i)
    {
        if (texts[i] == VuoKey_getSummary(VuoKey_Any))
        {
            groups[i] = Any;
        }
        else if (texts[i].length() == 1)
        {
            QRegExp numberCheck("\\d");
            if (numberCheck.exactMatch(texts[i]))
                groups[i] = Numbers;
            else
            {
                QRegExp punctuationCheck("[=\\-\\]\\[';\\\\,/.`]");
                if (punctuationCheck.exactMatch(texts[i]))
                    groups[i] = Punctuation;
                else
                    groups[i] = Letters;
            }
        }
        else
        {
            if (texts[i].endsWith("Arrow"))
                groups[i] = Arrows;
            else if (texts[i].startsWith("Keypad"))
                groups[i] = Keypad;
            else
            {
                QRegExp fKeyCheck("F\\d\\d?");
                if (fKeyCheck.exactMatch(texts[i]))
                    groups[i] = FKeys;
                else
                    groups[i] = OtherKeys;
            }
        }
    }
 
    if (groups[0] != groups[1])
        return groups[0] < groups[1];
 
    if (groups[0] == Numbers)
    {
        int n1 = texts[0].toInt();
        int n2 = texts[1].toInt();
        if (n1 == 0)
            return false;
        if (n2 == 0)
            return true;
        return n1 < n2;
    }
 
    if (groups[0] == FKeys)
    {
        int n1 = texts[0].mid(1).toInt();
        int n2 = texts[1].mid(1).toInt();
        return n1 < n2;
    }
 
    return texts[0] < texts[1];
}
 
VuoKeyComboBox::VuoKeyComboBox(QWidget *parent):
    VuoComboBox(parent)
{
    view()->installEventFilter(this);
 
    vector<pair<QString, QVariant>> itemTextAndData;
    for (int i = VuoKey_Any; i <= VuoKey_Kana; ++i)
    {
        VuoKey key               = (VuoKey)i;
        char *summary            = VuoKey_getSummary(key);
        QString summaryAsUnicode = QString::fromUtf8(summary);
        itemTextAndData.push_back(make_pair(summaryAsUnicode, key));
        free(summary);
    }
 
    sort(itemTextAndData.begin(), itemTextAndData.end(), isPairOfItemsSorted);
 
    for (vector<pair<QString, QVariant>>::iterator i = itemTextAndData.begin(); i != itemTextAndData.end(); ++i)
    {
        addItem(i->first, i->second);
    }
}
 
void VuoKeyComboBox::setCurrentKey(VuoKey key)
{
    int index = findData(key);
    if (index >= 0)
        setCurrentIndex(index);
}
 
VuoKey VuoKeyComboBox::getCurrentKey(void)
{
    QVariant currentKeyAsData = itemData(currentIndex());
    return (VuoKey)currentKeyAsData.toInt();
}
 
void VuoKeyComboBox::keyPressEvent(QKeyEvent *e)
{
    if ((e->nativeVirtualKey() == 0 && e->text().isEmpty()) || e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter || e->key() == Qt::Key_Escape)
    {
        QComboBox::keyPressEvent(e);
        return;
    }
 
    VuoKey key = VuoKey_makeFromMacVirtualKeyCode(e->nativeVirtualKey());
    setCurrentKey(key);
}
 
bool VuoKeyComboBox::eventFilter(QObject *object, QEvent *e)
{
    if (e->type() == QEvent::KeyPress)
    {
        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(e);
        keyPressEvent(keyEvent);
        QModelIndex index = model()->index(currentIndex(), 0);
        ((QAbstractItemView *)object)->setCurrentIndex(index);
        return true;
    }
    return false;
}