XLibre/xf86-input-evdev
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Add support for axis inversion.

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This commit is contained in:
Søren Hauberg
2008-10-01 11:07:57 +09:30
committed by Peter Hutterer
parent e138e4b79a
commit 3985d42320
2 changed files with 20 additions and 3 deletions
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21
src/evdev.c
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@@ -348,8 +348,13 @@ EvdevReadInput(InputInfoPtr pInfo)
}
}
if (dx != 0 || dy != 0)
if (dx != 0 || dy != 0) {
if (pEvdev->invert_x)
dx *= -1;
if (pEvdev->invert_y)
dy *= -1;
xf86PostMotionEvent(pInfo->dev, FALSE, 0, 2, dx, dy);
}
/*
* Some devices only generate valid abs coords when BTN_DIGI is
@@ -361,8 +366,15 @@ EvdevReadInput(InputInfoPtr pInfo)
* just works.
*/
if (abs && pEvdev->tool) {
xf86PostMotionEvent(pInfo->dev, TRUE, 0, 2,
pEvdev->abs_x, pEvdev->abs_y);
int abs_x, abs_y;
abs_x = pEvdev->abs_x;
abs_y = pEvdev->abs_y;
if (pEvdev->invert_x)
abs_x = pEvdev->max_x - abs_x;
if (pEvdev->invert_y)
abs_y = pEvdev->max_y - abs_y;
xf86PostMotionEvent(pInfo->dev, TRUE, 0, 2, abs_x, abs_y);
}
}
@@ -1337,6 +1349,9 @@ EvdevPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
pEvdev->noXkb = noXkbExtension;
/* parse the XKB options during kbd setup */
pEvdev->invert_x = xf86SetBoolOption(pInfo->options, "InvertX", FALSE);
pEvdev->invert_y = xf86SetBoolOption(pInfo->options, "InvertY", FALSE);
if (EvdevProbe(pInfo)) {
close(pInfo->fd);
xf86DeleteInput(pInfo, 0);

2
src/evdev.h
View File

@@ -65,6 +65,8 @@ typedef struct {
int flags;
int tool;
int buttons; /* number of buttons */
BOOL invert_x;
BOOL invert_y;
/* XKB stuff has to be per-device rather than per-driver */
int noXkb;