Revert "Purge scrollbuttons (repeat)"

This reverts commit 0903d99ada1755f11a2a5cbf89a345de896e18ec.

Scroll buttons are still present in some modern devices, e.g. the Fujitsu
Lifebook E782 and others in the series.

Conflicts:
	include/synaptics.h
	man/synaptics.man
	src/synaptics.c

1 files changed, 56 insertions, 0 deletions

diff --git a/src/properties.c b/src/properties.c
index 797f1da..0041544 100644
--- a/src/properties.c
+++ b/src/properties.c
@@ -68,6 +68,9 @@ Atom prop_speed = 0;
 Atom prop_edgemotion_pressure = 0;
 Atom prop_edgemotion_speed = 0;
 Atom prop_edgemotion_always = 0;
+Atom prop_buttonscroll = 0;
+Atom prop_buttonscroll_repeat = 0;
+Atom prop_buttonscroll_time = 0;
 Atom prop_off = 0;
 Atom prop_lockdrags = 0;
 Atom prop_lockdrags_time = 0;
@@ -247,6 +250,22 @@ InitDeviceProperties(InputInfoPtr pInfo)
     fvalues[3] = 0;
     prop_speed = InitFloatAtom(pInfo->dev, SYNAPTICS_PROP_SPEED, 4, fvalues);
 
+    if (priv->has_scrollbuttons) {
+        values[0] = para->updown_button_scrolling;
+        values[1] = para->leftright_button_scrolling;
+        prop_buttonscroll =
+            InitAtom(pInfo->dev, SYNAPTICS_PROP_BUTTONSCROLLING, 8, 2, values);
+
+        values[0] = para->updown_button_repeat;
+        values[1] = para->leftright_button_repeat;
+        prop_buttonscroll_repeat =
+            InitAtom(pInfo->dev, SYNAPTICS_PROP_BUTTONSCROLLING_REPEAT, 8, 2,
+                     values);
+        prop_buttonscroll_time =
+            InitAtom(pInfo->dev, SYNAPTICS_PROP_BUTTONSCROLLING_TIME, 32, 1,
+                     &para->scroll_button_repeat);
+    }
+
     prop_off =
         InitAtom(pInfo->dev, SYNAPTICS_PROP_OFF, 8, 1, &para->touchpad_off);
     prop_lockdrags =
@@ -518,6 +537,43 @@ SetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,
         para->max_speed = speed[1];
         para->accl = speed[2];
     }
+    else if (property == prop_buttonscroll) {
+        BOOL *scroll;
+
+        if (!priv->has_scrollbuttons)
+            return BadMatch;
+
+        if (prop->size != 2 || prop->format != 8 || prop->type != XA_INTEGER)
+            return BadMatch;
+
+        scroll = (BOOL *) prop->data;
+        para->updown_button_scrolling = scroll[0];
+        para->leftright_button_scrolling = scroll[1];
+
+    }
+    else if (property == prop_buttonscroll_repeat) {
+        BOOL *repeat;
+
+        if (!priv->has_scrollbuttons)
+            return BadMatch;
+
+        if (prop->size != 2 || prop->format != 8 || prop->type != XA_INTEGER)
+            return BadMatch;
+
+        repeat = (BOOL *) prop->data;
+        para->updown_button_repeat = repeat[0];
+        para->leftright_button_repeat = repeat[1];
+    }
+    else if (property == prop_buttonscroll_time) {
+        if (!priv->has_scrollbuttons)
+            return BadMatch;
+
+        if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER)
+            return BadMatch;
+
+        para->scroll_button_repeat = *(INT32 *) prop->data;
+
+    }
     else if (property == prop_off) {
         CARD8 off;