1berry/qtbase
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

EvdevTouch: Added "invertx" and "inverty" parameters

Browse Source 
In some cases the event axises reported by evdev are inverted.
This commit adds plugin parameters invertx and inverty to
invert X- and Y-axis.

Change-Id: Idaa63affd8321aa47974788c32d978fc21eb3dec
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>
This commit is contained in:
Takumi Asaki 2014-05-07 14:07:13 +09:00 committed by The Qt Project
parent 50e8e95385
commit 4532669285
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/platformsupport/input/evdevtouch/qevdevtouch.cpp
View File

@ -184,6 +184,8 @@ QEvdevTouchScreenHandler::QEvdevTouchScreenHandler(const QString &specification,
QString dev;
int rotationAngle = 0;
bool invertx = false;
bool inverty = false;
for (int i = 0; i < args.count(); ++i) {
if (args.at(i).startsWith(QLatin1String("/dev/")) && dev.isEmpty()) {
dev = args.at(i);
@ -201,6 +203,10 @@ QEvdevTouchScreenHandler::QEvdevTouchScreenHandler(const QString &specification,
break;
}
}
} else if (args.at(i) == QLatin1String("invertx")) {
invertx = true;
} else if (args.at(i) == QLatin1String("inverty")) {
inverty = true;
}
}
@ -326,6 +332,12 @@ QEvdevTouchScreenHandler::QEvdevTouchScreenHandler(const QString &specification,
if (rotationAngle)
d->m_rotate = QTransform::fromTranslate(0.5, 0.5).rotate(rotationAngle).translate(-0.5, -0.5);
if (invertx)
d->m_rotate *= QTransform::fromTranslate(0.5, 0.5).scale(-1.0, 1.0).translate(-0.5, -0.5);
if (inverty)
d->m_rotate *= QTransform::fromTranslate(0.5, 0.5).scale(1.0, -1.0).translate(-0.5, -0.5);
d->registerDevice();
}