diff options
| -rw-r--r-- | src/evdev.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/src/evdev.c b/src/evdev.c index 989a255..effac40 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -1958,6 +1958,38 @@ EvdevGrabDevice(InputInfoPtr pInfo, int grab, int ungrab) return TRUE; } +/** + * Some devices only have other axes (e.g. wheels), but we + * still need x/y for these. The server relies on devices having + * x/y as axes 0/1 and core/XI 1.x clients expect it too (#44655) + */ +static void +EvdevForceXY(InputInfoPtr pInfo, int mode) +{ + EvdevPtr pEvdev = pInfo->private; + + xf86IDrvMsg(pInfo, X_INFO, "Forcing %s x/y axes to exist.\n", + (mode == Relative) ? "relative" : "absolute"); + + if (mode == Relative) + { + EvdevSetBit(pEvdev->rel_bitmask, REL_X); + EvdevSetBit(pEvdev->rel_bitmask, REL_Y); + } else if (mode == Absolute) + { + EvdevSetBit(pEvdev->abs_bitmask, ABS_X); + EvdevSetBit(pEvdev->abs_bitmask, ABS_Y); + pEvdev->absinfo[ABS_X].minimum = 0; + pEvdev->absinfo[ABS_X].maximum = 1000; + pEvdev->absinfo[ABS_X].value = 0; + pEvdev->absinfo[ABS_X].resolution = 0; + pEvdev->absinfo[ABS_Y].minimum = 0; + pEvdev->absinfo[ABS_Y].maximum = 1000; + pEvdev->absinfo[ABS_Y].value = 0; + pEvdev->absinfo[ABS_Y].resolution = 0; + } +} + static int EvdevProbe(InputInfoPtr pInfo) { @@ -2051,7 +2083,8 @@ EvdevProbe(InputInfoPtr pInfo) if (EvdevBitIsSet(pEvdev->rel_bitmask, REL_X) && EvdevBitIsSet(pEvdev->rel_bitmask, REL_Y)) { xf86IDrvMsg(pInfo, X_PROBED, "Found x and y relative axes\n"); - } + } else + EvdevForceXY(pInfo, Relative); } else { xf86IDrvMsg(pInfo, X_INFO, "Relative axes present but ignored.\n"); has_rel_axes = FALSE; @@ -2116,7 +2149,16 @@ EvdevProbe(InputInfoPtr pInfo) pEvdev->flags |= EVDEV_TOUCHSCREEN; pEvdev->flags |= EVDEV_BUTTON_EVENTS; } + } else { +#ifdef MULTITOUCH + if (!EvdevBitIsSet(pEvdev->abs_bitmask, ABS_MT_POSITION_X) || + !EvdevBitIsSet(pEvdev->abs_bitmask, ABS_MT_POSITION_Y)) +#endif + EvdevForceXY(pInfo, Absolute); } + + + } for (i = 0; i < BTN_MISC; i++) { |