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| author | Peter Hutterer <peter.hutterer@who-t.net> | 2011-08-19 11:15:09 +1000 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2011-11-09 15:56:55 +1000 |
| commit | b450efdf95999cad08de23ce069f04a66bdae24b (patch) | |
| tree | 3aea7a9eb656b85b5b2ef391049cea1af6cb8114 | |
| parent | Exit axis labelling if axes are neither rel nor abs (diff) | |
| download | xf86-input-evdev-b450efdf95999cad08de23ce069f04a66bdae24b.tar.gz xf86-input-evdev-b450efdf95999cad08de23ce069f04a66bdae24b.tar.bz2 xf86-input-evdev-b450efdf95999cad08de23ce069f04a66bdae24b.zip | |
Support smooth scrolling on REL_WHEEL, REL_HWHEEL and REL_DIAL
Automatic smooth scrolling setup for these axes, with REL_WHEEL and REL_DIAL
both mapping into vscrolling. REL_WHEEL is the preferred axis.
Mouse wheel emulation is not yet updated for smooth scrolling.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
| -rw-r--r-- | src/evdev.c | 17 | ||||
| -rw-r--r-- | src/evdev.h | 4 |
2 files changed, 20 insertions, 1 deletions
diff --git a/src/evdev.c b/src/evdev.c index bf5ebe0..3b5322f 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -267,10 +267,12 @@ SetXkbOption(InputInfoPtr pInfo, char *name, char **option) } } +#ifndef HAVE_SMOOTH_SCROLLING static int wheel_up_button = 4; static int wheel_down_button = 5; static int wheel_left_button = 6; static int wheel_right_button = 7; +#endif static EventQueuePtr EvdevNextInQueue(InputInfoPtr pInfo) @@ -590,6 +592,7 @@ EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev) value = ev->value; switch (ev->code) { +#ifndef HAVE_SMOOTH_SCROLLING case REL_WHEEL: if (value > 0) EvdevQueueButtonClicks(pInfo, wheel_up_button, value); @@ -604,8 +607,8 @@ EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev) else if (value < 0) EvdevQueueButtonClicks(pInfo, wheel_left_button, -value); break; - /* We don't post wheel events as axis motion. */ +#endif default: /* Ignore EV_REL events if we never set up for them. */ if (!(pEvdev->flags & EVDEV_RELATIVE_EVENTS)) @@ -1100,6 +1103,7 @@ EvdevAddRelValuatorClass(DeviceIntPtr device) if (num_axes < 1) goto out; +#ifndef HAVE_SMOOTH_SCROLLING /* Wheels are special, we post them as button events. So let's ignore them * in the axes list too */ if (TestBit(REL_WHEEL, pEvdev->rel_bitmask)) @@ -1111,6 +1115,7 @@ EvdevAddRelValuatorClass(DeviceIntPtr device) if (num_axes <= 0) goto out; +#endif if (num_axes > MAX_VALUATORS) { xf86IDrvMsg(pInfo, X_WARNING, "found %d axes, limiting to %d.\n", num_axes, MAX_VALUATORS); @@ -1128,9 +1133,11 @@ EvdevAddRelValuatorClass(DeviceIntPtr device) for (axis = REL_X; i < MAX_VALUATORS && axis <= REL_MAX; axis++) { pEvdev->axis_map[axis] = -1; +#ifndef HAVE_SMOOTH_SCROLLING /* We don't post wheel events, so ignore them here too */ if (axis == REL_WHEEL || axis == REL_HWHEEL || axis == REL_DIAL) continue; +#endif if (!TestBit(axis, pEvdev->rel_bitmask)) continue; pEvdev->axis_map[axis] = i; @@ -1160,6 +1167,14 @@ EvdevAddRelValuatorClass(DeviceIntPtr device) xf86InitValuatorAxisStruct(device, axnum, atoms[axnum], -1, -1, 1, 0, 1, Relative); xf86InitValuatorDefaults(device, axnum); +#ifdef HAVE_SMOOTH_SCROLLING + if (axis == REL_WHEEL) + SetScrollValuator(device, axnum, SCROLL_TYPE_VERTICAL, -1.0, SCROLL_FLAG_PREFERRED); + else if (axis == REL_DIAL) + SetScrollValuator(device, axnum, SCROLL_TYPE_VERTICAL, -1.0, SCROLL_FLAG_NONE); + else if (axis == REL_HWHEEL) + SetScrollValuator(device, axnum, SCROLL_TYPE_HORIZONTAL, -1.0, SCROLL_FLAG_NONE); +#endif } free(atoms); diff --git a/src/evdev.h b/src/evdev.h index a18a025..b2e2f42 100644 --- a/src/evdev.h +++ b/src/evdev.h @@ -55,6 +55,10 @@ #define LED_CNT (LED_MAX+1) #endif +#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 14 +#define HAVE_SMOOTH_SCROLLING 1 +#endif + #define EVDEV_MAXBUTTONS 32 #define EVDEV_MAXQUEUE 32 |