Cours:QtEvdevConsole

consolereader.h #ifndef CONSOLEREADER_H #define CONSOLEREADER_H #include <QObject> #include <QSocketNotifier> struct ExampleInput { unsigned int dummy1; unsigned int dummy2; unsigned short type; unsigned short code; unsigned int value; }; class ConsoleReader : public QObject { Q_OBJECT public: explicit ConsoleReader(QObject *parent = 0); signals: void getEvent(unsigned short code); public slots: void text(); private: QSocketNotifier * notifier; int kbdFd; }; #endif // CONSOLEREADER_H

consolereader.cpp #include "consolereader.h" #include <QTextStream> #include <QDebug> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> //Provides STDIN_FILENO ConsoleReader::ConsoleReader(QObject *parent) : QObject(parent) { kbdFd = ::open("/dev/input/event1", O_RDONLY, 0); if (kbdFd >= 0) { notifier = new QSocketNotifier(kbdFd, QSocketNotifier::Read, this); connect(notifier, SIGNAL(activated(int)), this, SLOT(text())); } else { qDebug()<<"marche pas, pas le bon périphérique ?? "; } } void ConsoleReader::text() { ExampleInput event; int n = read(kbdFd, &event, sizeof(ExampleInput)); if (n != 16) { qDebug() << "erreur ???" << n; return; } else { if ((event.type==1)&&(event.value==0)) { qDebug() << "code evdev =" << event.code; emit getEvent(event.code); } } }