diff options
Diffstat (limited to 'src/gui/embedded/qkbdtty_qws.cpp')
| -rw-r--r-- | src/gui/embedded/qkbdtty_qws.cpp | 301 |
1 files changed, 193 insertions, 108 deletions
diff --git a/src/gui/embedded/qkbdtty_qws.cpp b/src/gui/embedded/qkbdtty_qws.cpp index b588e55..37ed510 100644 --- a/src/gui/embedded/qkbdtty_qws.cpp +++ b/src/gui/embedded/qkbdtty_qws.cpp @@ -43,64 +43,57 @@ #if !defined(QT_NO_QWS_KEYBOARD) && !defined(QT_NO_QWS_KBD_TTY) -#include "qscreen_qws.h" - -#include "qwindowsystem_qws.h" -#include "qapplication.h" -#include "qsocketnotifier.h" -#include "qnamespace.h" -#include "qtimer.h" -#include <private/qwssignalhandler_p.h> -#include <private/qwindowsurface_qws_p.h> - -#include <unistd.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <errno.h> -#include <signal.h> -#include <termios.h> +#include <QSocketNotifier> +#include <QStringList> -#include <qeventloop.h> +#include <qplatformdefs.h> -#ifdef Q_OS_LINUX -#include <sys/kd.h> -#include <sys/vt.h> -#endif +#include <errno.h> +#include <termios.h> -QT_BEGIN_NAMESPACE +#if defined Q_OS_LINUX +# include <linux/kd.h> +# include <linux/vt.h> //TODO: move vt handling somewhere else (QLinuxFbScreen?) -#define VTACQSIG SIGUSR1 -#define VTRELSIG SIGUSR2 +# include "qscreen_qws.h" +# include "qwindowsystem_qws.h" +# include "qapplication.h" +# include "private/qwindowsurface_qws_p.h" +# include "private/qwssignalhandler_p.h" -static int vtQws = 0; -static int kbdFD = -1; +# define VTACQSIG SIGUSR1 +# define VTRELSIG SIGUSR2 +#endif -//=========================================================================== -// -// Tty keyboard -// +QT_BEGIN_NAMESPACE class QWSTtyKbPrivate : public QObject { Q_OBJECT public: - QWSTtyKbPrivate(QWSPC101KeyboardHandler *, const QString &device); + QWSTtyKbPrivate(QWSTtyKeyboardHandler *handler, const QString &device); ~QWSTtyKbPrivate(); -private slots: - void readKeyboardData(); - void handleTtySwitch(int); +private: + void switchLed(char, bool); + void switchConsole(int vt); + +private Q_SLOTS: + void readKeycode(); + void handleConsoleSwitch(int sig); private: - QWSPC101KeyboardHandler *handler; - struct termios origTermData; + QWSTtyKeyboardHandler *m_handler; + int m_tty_fd; + struct termios m_tty_attr; + char m_last_keycode; + int m_vt_qws; }; + QWSTtyKeyboardHandler::QWSTtyKeyboardHandler(const QString &device) - : QWSPC101KeyboardHandler(device) + : QWSKeyboardHandler(device) { d = new QWSTtyKbPrivate(this, device); } @@ -110,59 +103,63 @@ QWSTtyKeyboardHandler::~QWSTtyKeyboardHandler() delete d; } -void QWSTtyKeyboardHandler::processKeyEvent(int unicode, int keycode, - Qt::KeyboardModifiers modifiers, bool isPress, - bool autoRepeat) +bool QWSTtyKeyboardHandler::filterKeycode(char &) { -#if defined(Q_OS_LINUX) - // Virtual console switching - int term = 0; - bool ctrl = modifiers & Qt::ControlModifier; - bool alt = modifiers & Qt::AltModifier; - if (ctrl && alt && keycode >= Qt::Key_F1 && keycode <= Qt::Key_F10) - term = keycode - Qt::Key_F1 + 1; - else if (ctrl && alt && keycode == Qt::Key_Left) - term = qMax(vtQws - 1, 1); - else if (ctrl && alt && keycode == Qt::Key_Right) - term = qMin(vtQws + 1, 10); - if (term && isPress) { - ioctl(kbdFD, VT_ACTIVATE, term); - return; - } -#endif - - QWSPC101KeyboardHandler::processKeyEvent(unicode, keycode, modifiers, - isPress, autoRepeat); + return false; } - -QWSTtyKbPrivate::QWSTtyKbPrivate(QWSPC101KeyboardHandler *h, const QString &device) : handler(h) +QWSTtyKbPrivate::QWSTtyKbPrivate(QWSTtyKeyboardHandler *h, const QString &device) + : m_handler(h), m_tty_fd(-1), m_last_keycode(0), m_vt_qws(0) { - kbdFD = ::open(device.isEmpty()?"/dev/tty0":device.toLatin1().constData(), O_RDWR|O_NDELAY, 0); + setObjectName(QLatin1String("TTY Keyboard Handler")); #ifndef QT_NO_QWS_SIGNALHANDLER QWSSignalHandler::instance()->addObject(this); #endif - if (kbdFD >= 0) { + QString dev = QLatin1String("/dev/tty0"); + int repeat_delay = -1; + int repeat_rate = -1; + + QStringList args = device.split(QLatin1Char(':')); + foreach (const QString &arg, args) { + if (arg.startsWith(QLatin1String("repeat_delay="))) + repeat_delay = arg.mid(13).toInt(); + else if (arg.startsWith(QLatin1String("repeat_rate="))) + repeat_rate = arg.mid(12).toInt(); + else if (arg.startsWith(QLatin1String("/dev/"))) + dev = arg; + } + + m_tty_fd = QT_OPEN(dev.toLocal8Bit().constData(), O_RDWR, 0); + if (m_tty_fd >= 0) { + if (repeat_delay > 0 && repeat_rate > 0) { +#if defined(Q_OS_LINUX) + struct ::kbd_repeat kbdrep = { repeat_delay, repeat_rate }; + ::ioctl(m_tty_fd, KDKBDREP, &kbdrep); +#endif + } + QSocketNotifier *notifier; - notifier = new QSocketNotifier(kbdFD, QSocketNotifier::Read, this); - connect(notifier, SIGNAL(activated(int)),this, - SLOT(readKeyboardData())); + notifier = new QSocketNotifier(m_tty_fd, QSocketNotifier::Read, this); + connect(notifier, SIGNAL(activated(int)), this, SLOT(readKeycode())); - // save for restore. - tcgetattr(kbdFD, &origTermData); + // save tty config for restore. + tcgetattr(m_tty_fd, &m_tty_attr); - struct termios termdata; - tcgetattr(kbdFD, &termdata); + struct ::termios termdata; + tcgetattr(m_tty_fd, &termdata); #if defined(Q_OS_LINUX) -# ifdef QT_QWS_USE_KEYCODES - ioctl(kbdFD, KDSKBMODE, K_MEDIUMRAW); -# else - ioctl(kbdFD, KDSKBMODE, K_RAW); -# endif + // PLEASE NOTE: + // The tty keycode interface can only report keycodes 0x01 .. 0x7f + // KEY_MAX is however defined to 0x1ff. In practice this is sufficient + // for a PC style keyboard though. + // we don't support K_RAW anymore - if you need, you habe to add a + // scan- to keycode converter. + ::ioctl(m_tty_fd, KDSKBMODE, K_MEDIUMRAW); #endif + // set the tty layer to pass-through termdata.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP); termdata.c_oflag = 0; termdata.c_cflag = CREAD | CS8; @@ -171,50 +168,146 @@ QWSTtyKbPrivate::QWSTtyKbPrivate(QWSPC101KeyboardHandler *h, const QString &devi termdata.c_cc[VMIN]=1; cfsetispeed(&termdata, 9600); cfsetospeed(&termdata, 9600); - tcsetattr(kbdFD, TCSANOW, &termdata); + tcsetattr(m_tty_fd, TCSANOW, &termdata); #if defined(Q_OS_LINUX) - - connect(QApplication::instance(), SIGNAL(unixSignal(int)), this, SLOT(handleTtySwitch(int))); + // VT switching is handled via unix signals + connect(QApplication::instance(), SIGNAL(unixSignal(int)), this, SLOT(handleConsoleSwitch(int))); QApplication::instance()->watchUnixSignal(VTACQSIG, true); QApplication::instance()->watchUnixSignal(VTRELSIG, true); - struct vt_mode vtMode; - ioctl(kbdFD, VT_GETMODE, &vtMode); + struct ::vt_mode vtMode; + if (::ioctl(m_tty_fd, VT_GETMODE, &vtMode) == 0) { + vtMode.mode = VT_PROCESS; + vtMode.relsig = VTRELSIG; + vtMode.acqsig = VTACQSIG; - // let us control VT switching - vtMode.mode = VT_PROCESS; - vtMode.relsig = VTRELSIG; - vtMode.acqsig = VTACQSIG; - ioctl(kbdFD, VT_SETMODE, &vtMode); + if (::ioctl(m_tty_fd, VT_SETMODE, &vtMode) == 0) { + struct ::vt_stat vtStat; + ::memset(&vtStat, 0, sizeof(vtStat)); - struct vt_stat vtStat; - ioctl(kbdFD, VT_GETSTATE, &vtStat); - vtQws = vtStat.v_active; + if (::ioctl(m_tty_fd, VT_GETSTATE, &vtStat) == 0 ) { + m_vt_qws = vtStat.v_active; + } + } + } + + if (!m_vt_qws) + qWarning("Could not initialize virtual console switching"); #endif } else { - qCritical("Cannot open keyboard: %s", strerror(errno)); + qWarning("Cannot open input device '%s': %s", qPrintable(dev), strerror(errno)); + return; } } QWSTtyKbPrivate::~QWSTtyKbPrivate() { - if (kbdFD >= 0) { + if (m_tty_fd >= 0) { #if defined(Q_OS_LINUX) - ioctl(kbdFD, KDSKBMODE, K_XLATE); + ::ioctl(m_tty_fd, KDSKBMODE, K_XLATE); #endif - tcsetattr(kbdFD, TCSANOW, &origTermData); - ::close(kbdFD); - kbdFD = -1; + tcsetattr(m_tty_fd, TCSANOW, &m_tty_attr); } } -void QWSTtyKbPrivate::handleTtySwitch(int sig) + + +void QWSTtyKbPrivate::switchLed(char led, bool state) { #if defined(Q_OS_LINUX) + char ledstate; + + ::ioctl(m_tty_fd, KDGETLED, &ledstate); + if (state) + ledstate |= led; + else + ledstate &= ~led; + ::ioctl(m_tty_fd, KDSETLED, ledstate); +#endif +} + +void QWSTtyKbPrivate::readKeycode() +{ + char buffer[32]; + int n = 0; + + forever { + n = QT_READ(m_tty_fd, buffer + n, 32 - n); + + if (n == 0) { + qWarning("Got EOF from the input device."); + return; + } else if (n < 0 && (errno != EINTR && errno != EAGAIN)) { + qWarning("Could not read from input device: %s", strerror(errno)); + return; + } else { + break; + } + } + + for (int i = 0; i < n; ++i) { + if (m_handler->filterKeycode(buffer[i])) + continue; + + QWSKeyboardHandler::KeycodeAction ka; + ka = m_handler->processKeycode(buffer[i] & 0x7f, (buffer[i] & 0x80) == 0x00, buffer[i] == m_last_keycode); + m_last_keycode = buffer[i]; + +qWarning("Special: %08x", ka); + switch (ka) { + case QWSKeyboardHandler::CapsLockOn: + case QWSKeyboardHandler::CapsLockOff: + switchLed(LED_CAP, ka == QWSKeyboardHandler::CapsLockOn); + break; + + case QWSKeyboardHandler::NumLockOn: + case QWSKeyboardHandler::NumLockOff: + switchLed(LED_NUM, ka == QWSKeyboardHandler::NumLockOn); + break; + + case QWSKeyboardHandler::ScrollLockOn: + case QWSKeyboardHandler::ScrollLockOff: + switchLed(LED_SCR, ka == QWSKeyboardHandler::ScrollLockOn); + break; + + case QWSKeyboardHandler::PreviousConsole: + switchConsole(qBound(1, m_vt_qws - 1, 10)); + break; + + case QWSKeyboardHandler::NextConsole: + switchConsole(qBound(1, m_vt_qws + 1, 10)); + break; + + default: + if (ka >= QWSKeyboardHandler::SwitchConsoleFirst && + ka <= QWSKeyboardHandler::SwitchConsoleLast) { + switchConsole(1 + (ka & QWSKeyboardHandler::SwitchConsoleMask)); + } + //ignore reboot + break; + } + } +} + + +void QWSTtyKbPrivate::switchConsole(int vt) +{ +#if defined(Q_OS_LINUX) + if (m_vt_qws && vt && (m_tty_fd >= 0 )) + ::ioctl(m_tty_fd, VT_ACTIVATE, vt); +#endif +} + +void QWSTtyKbPrivate::handleConsoleSwitch(int sig) +{ +#if defined(Q_OS_LINUX) + // received a notification from the kernel that the current VT is + // changing: either enable or disable QWS painting accordingly. + if (sig == VTACQSIG) { - if (ioctl(kbdFD, VT_RELDISP, VT_ACKACQ) == 0) { + if (::ioctl(m_tty_fd, VT_RELDISP, VT_ACKACQ) == 0) { qwsServer->enablePainting(true); qt_screen->restore(); qwsServer->resumeMouse(); @@ -236,9 +329,9 @@ void QWSTtyKbPrivate::handleTtySwitch(int sig) } if (!allWindowsHidden) { - ioctl(kbdFD, VT_RELDISP, 0); // abort console switch + ::ioctl(m_tty_fd, VT_RELDISP, 0); // abort console switch qwsServer->enablePainting(true); - } else if (ioctl(kbdFD, VT_RELDISP, 1) == 0) { + } else if (::ioctl(m_tty_fd, VT_RELDISP, 1) == 0) { qt_screen->save(); qwsServer->suspendMouse(); } else { @@ -248,14 +341,6 @@ void QWSTtyKbPrivate::handleTtySwitch(int sig) #endif } -void QWSTtyKbPrivate::readKeyboardData() -{ - unsigned char buf[81]; - int n = read(kbdFD, buf, 80); - for (int loop = 0; loop < n; loop++) - handler->doKey(buf[loop]); -} - QT_END_NAMESPACE #include "qkbdtty_qws.moc" |