mainwindow.cpp Example File

sensorgestures/mainwindow.cpp

  
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#include <QtCore/QDebug> #include <QtWidgets/QTreeWidget> #include "mainwindow.h" #include "ui_mainwindow.h" #include <qsensorgesture.h> #include <qsensorgesturemanager.h> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); QSensorGestureManager manager; Q_FOREACH (const QString &gesture, manager.gestureIds()) { QTreeWidgetItem *gestureId = new QTreeWidgetItem(ui->treeWidget); QStringList recognizerSignals = manager.recognizerSignals(gesture); gestureId->setText(0,gesture); for (int i = 0; i < recognizerSignals.count(); i++) { QTreeWidgetItem *oneSignal = new QTreeWidgetItem(gestureId); oneSignal->setText(0,recognizerSignals.at(i)); } ui->treeWidget->insertTopLevelItem(0,gestureId); } ui->textEdit->setReadOnly(true); } MainWindow::~MainWindow() { delete ui; } void MainWindow::detectedShake(const QString &name) { QString str = "<font size=+2><B>"+name+"</b></font><br>"; ui->textEdit->insertHtml(str); ui->textEdit->ensureCursorVisible(); } void MainWindow::on_pushButton_clicked() { ui->textEdit->clear(); } void MainWindow::onShake() { QString str = "<font size=+2><B>onShake()</b></font><br>"; ui->textEdit->insertHtml(str); ui->textEdit->ensureCursorVisible(); } void MainWindow::on_startPushButton_clicked() { if (ui->treeWidget->currentItem() == 0) return; QString currentRecognizer; if (ui->treeWidget->currentItem()->childCount() == 0) { currentRecognizer = ui->treeWidget->currentItem()->parent()->text(0); } else { currentRecognizer = ui->treeWidget->currentItem()->text(0); } if (recognizerMap.contains(currentRecognizer)) return; QSensorGestureManager manager; QSensorGesture *thisGesture = new QSensorGesture(QStringList() << currentRecognizer, this); if (currentRecognizer.contains("QtSensors.shake")) { connect(thisGesture,SIGNAL(shake()), this,SLOT(onShake())); } connect(thisGesture,SIGNAL(detected(QString)), this,SLOT(detectedShake(QString))); thisGesture->startDetection(); recognizerMap.insert(currentRecognizer,thisGesture); QString str = QString("<font size=+2><B>Started %1</b></font><br>").arg(currentRecognizer); ui->textEdit->insertHtml(str); ui->textEdit->ensureCursorVisible(); } void MainWindow::on_stopPushButton_clicked() { if (ui->treeWidget->currentItem() == 0) return; QString currentRecognizer; if (ui->treeWidget->currentItem()->childCount() == 0) { currentRecognizer = ui->treeWidget->currentItem()->parent()->text(0); } else { currentRecognizer = ui->treeWidget->currentItem()->text(0); } if (!recognizerMap.contains(currentRecognizer)) return; recognizerMap[currentRecognizer]->stopDetection(); if (currentRecognizer == "QtSensors.shake") { disconnect(recognizerMap[currentRecognizer],SIGNAL(shake()), this,SLOT(onShake())); } disconnect(recognizerMap[currentRecognizer],SIGNAL(detected(QString)), this,SLOT(detectedShake(QString))); recognizerMap.take(currentRecognizer); QString str = QString("<font size=+2><B>Stopped %1</b></font><br>").arg(currentRecognizer); ui->textEdit->insertHtml(str); ui->textEdit->ensureCursorVisible(); }