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Added grabbing option for qevdevkeyboard and mouse.

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Added option grab=1/0 which allows user to choose using environment variable
if the application will exclusively grab the input device or let
the OS read it in paralel(default).

Task-number: QTBUG-30004

Change-Id: If3caa8419584be46f320931ddb152a41893d8693
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
Reviewed-by: Andy Nichols <andy.nichols@digia.com>
This commit is contained in:
Libor Tomsik 2013-03-30 18:15:56 +01:00 committed by The Qt Project
parent 3b992f8319
commit 2fbfad8b0d
2 changed files with 8 additions and 0 deletions
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4
src/platformsupport/input/evdevkeyboard/qevdevkeyboardhandler.cpp
View File

@ -104,6 +104,7 @@ QEvdevKeyboardHandler *QEvdevKeyboardHandler::create(const QString &device, cons
int repeatRate = 80;
bool disableZap = false;
bool enableCompose = false;
int grab = 0;
QStringList args = specification.split(QLatin1Char(':'));
foreach (const QString &arg, args) {
@ -117,6 +118,8 @@ QEvdevKeyboardHandler *QEvdevKeyboardHandler::create(const QString &device, cons
repeatDelay = arg.mid(13).toInt();
else if (arg.startsWith(QLatin1String("repeat-rate=")))
repeatRate = arg.mid(12).toInt();
else if (arg.startsWith(QLatin1String("grab=")))
grab = arg.mid(5).toInt();
}
#ifdef QT_QPA_KEYMAP_DEBUG
@ -126,6 +129,7 @@ QEvdevKeyboardHandler *QEvdevKeyboardHandler::create(const QString &device, cons
int fd;
fd = qt_safe_open(device.toLocal8Bit().constData(), O_RDONLY | O_NDELAY, 0);
if (fd >= 0) {
::ioctl(fd, EVIOCGRAB, grab);
if (repeatDelay > 0 && repeatRate > 0) {
int kbdrep[2] = { repeatDelay, repeatRate };
::ioctl(fd, EVIOCSREP, kbdrep);

4
src/platformsupport/input/evdevmouse/qevdevmousehandler.cpp
View File

@ -70,6 +70,7 @@ QEvdevMouseHandler *QEvdevMouseHandler::create(const QString &device, const QStr
bool compression = true;
int jitterLimit = 0;
int grab = 0;
QStringList args = specification.split(QLatin1Char(':'));
foreach (const QString &arg, args) {
@ -77,11 +78,14 @@ QEvdevMouseHandler *QEvdevMouseHandler::create(const QString &device, const QStr
compression = false;
else if (arg.startsWith(QLatin1String("dejitter=")))
jitterLimit = arg.mid(9).toInt();
else if (arg.startsWith(QLatin1String("grab=")))
grab = arg.mid(5).toInt();
}
int fd;
fd = qt_safe_open(device.toLocal8Bit().constData(), O_RDONLY | O_NDELAY, 0);
if (fd >= 0) {
::ioctl(fd, EVIOCGRAB, grab);
return new QEvdevMouseHandler(device, fd, compression, jitterLimit);
} else {
qWarning("Cannot open mouse input device '%s': %s", qPrintable(device), strerror(errno));