diff options
| author | Peter Osterlund <petero2@telia.com> | 2002-07-05 00:24:55 +0200 |
|---|---|---|
| committer | Peter Osterlund <petero2@telia.com> | 2006-04-09 04:00:50 +0200 |
| commit | 8b77d9f3f6e3399f7dd9b5148b6bef62071c4ba8 (patch) | |
| tree | df3feda429ab3244cef248c410fef5aa26f05910 | |
| parent | c964df31913e65cbcd6c39fc4bb60883bc62fed1 (diff) | |
Implemented fast scrolling, ie generate extra button 4 & 5
up/down events when scrolling if necessary.
| -rw-r--r-- | synaptics.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/synaptics.c b/synaptics.c index 38f8034..12b88c3 100644 --- a/synaptics.c +++ b/synaptics.c @@ -452,6 +452,7 @@ ReadInput(LocalDevicePtr local) Bool left, mid, right, up, down; double speed, integral; int change; + int scroll_up, scroll_down; /* * set blocking to -1 on the first call because we know there is data to @@ -643,14 +644,16 @@ ReadInput(LocalDevicePtr local) } /* scroll processing */ + scroll_up = 0; + scroll_down = 0; if(priv->vert_scroll_on) { - dist = y - priv->scroll_y; /* + = up, - = down */ - if(dist > para->scroll_dist_vert) { - up = TRUE; + /* + = up, - = down */ + while(y - priv->scroll_y > para->scroll_dist_vert) { + scroll_up++; priv->scroll_y += para->scroll_dist_vert; } - else if(dist < (-1 * para->scroll_dist_vert)) { - down = TRUE; + while(y - priv->scroll_y < -para->scroll_dist_vert) { + scroll_down++; priv->scroll_y -= para->scroll_dist_vert; } } @@ -725,6 +728,15 @@ ReadInput(LocalDevicePtr local) xf86PostButtonEvent(local->dev, FALSE, id, (buttons & (1 << (id - 1))), 0, 0); } priv->lastButtons = buttons; + + while(scroll_up-- > 0) { + xf86PostButtonEvent(local->dev, FALSE, 4, !up, 0, 0); + xf86PostButtonEvent(local->dev, FALSE, 4, up, 0, 0); + } + while(scroll_down-- > 0) { + xf86PostButtonEvent(local->dev, FALSE, 5, !down, 0, 0); + xf86PostButtonEvent(local->dev, FALSE, 5, down, 0, 0); + } } } |