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keyselectionview.cc
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keyselectionview.cc
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#include <QGridLayout>
#include <QLineEdit>
#include <QLabel>
#include <QListWidget>
#include <QPushButton>
#include <QStandardItemModel>
#include <QSortFilterProxyModel>
#include <QKeyEvent>
#include <QDebug>
#include "keyselectionview.h"
#include "hidtables.h"
#include "hidusageproxymodel.h"
KeySelectionView::KeySelectionView(QWidget *parent)
: QWidget(parent)
{
mHidUsageModel = HIDTables::newUsageModel(this);
mHidUsageModelProxy = new HIDUsageProxyModel(this);
mHidUsageModelProxy->setSourceModel(mHidUsageModel);
mHidUsageModelProxy->setFilterCaseSensitivity(Qt::CaseInsensitive);
QGridLayout *layout = new QGridLayout;
mFilter = new QLineEdit;
mFilter->installEventFilter(this);
mUsageList = new QListView;
mUsageList->setModel(mHidUsageModelProxy);
mUsageList->setEditTriggers(QAbstractItemView::NoEditTriggers);
connect(mFilter, SIGNAL(textChanged(QString)),
this, SLOT(filterChanged(QString)));
connect(mUsageList, SIGNAL(clicked(const QModelIndex&)),
this, SLOT(sendUsageSelected(const QModelIndex&)));
layout->addWidget(mFilter, 0, 0);
layout->addWidget(mUsageList, 1, 0);
setLayout(layout);
setWindowFlags(Qt::Popup);
}
void KeySelectionView::show() {
mFilter->setText("");
mFilter->setFocus();
QWidget::show();
}
void KeySelectionView::filterChanged(QString filter) {
mHidUsageModelProxy->setFilterString(filter);
mUsageList->setCurrentIndex(mHidUsageModelProxy->index(0, 0));
}
bool KeySelectionView::eventFilter(QObject *obj, QEvent *event) {
if (obj == mFilter && event->type() == QEvent::KeyPress) {
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
int key = keyEvent->key();
if (key == Qt::Key_Down) {
QModelIndex idx = mUsageList->currentIndex();
QModelIndex newIdx = idx.sibling(idx.row() + 1, 0);
if (newIdx.isValid())
mUsageList->setCurrentIndex(newIdx);
}
else if (key == Qt::Key_Up) {
QModelIndex idx = mUsageList->currentIndex();
QModelIndex newIdx = idx.sibling(idx.row() - 1, 0);
if (newIdx.isValid())
mUsageList->setCurrentIndex(newIdx);
}
else if (key == Qt::Key_Enter || key == Qt::Key_Return)
{
QModelIndex idx = mUsageList->currentIndex();
if (idx.isValid())
sendUsageSelected(idx);
}
else {
return false;
}
return true;
}
return QObject::eventFilter(obj, event);
}
void KeySelectionView::sendUsageSelected(const QModelIndex& idx) {
QString name = mHidUsageModelProxy->data(idx).toString();
HIDKeycode hidUsage =
mHidUsageModelProxy->data(idx, HIDTables::UsageCode).toInt();
emit hidUsageSelected(name, hidUsage);
hide();
emit dismissed();
}
void KeySelectionView::hideEvent(QHideEvent *e) {
Q_UNUSED(e);
emit dismissed();
}