---
include/libinput-properties.h | 6 +++
man/libinput.man | 8 ++++
src/xf86libinput.c | 94 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 108 insertions(+)
diff --git a/include/libinput-properties.h b/include/libinput-properties.h
index 098ce48..d117729 100644
--- a/include/libinput-properties.h
+++ b/include/libinput-properties.h
@@ -30,6 +30,12 @@
/* Tapping default enabled/disabled: BOOL, 1 value, read-only */
#define LIBINPUT_PROP_TAP_DEFAULT "libinput Tapping Enabled Default"
+/* Tap drag enabled/disabled: BOOL, 1 value */
+#define LIBINPUT_PROP_TAP_DRAG "libinput Tapping Drag Enabled"
+
+/* Tap drag default enabled/disabled: BOOL, 1 value */
+#define LIBINPUT_PROP_TAP_DRAG_DEFAULT "libinput Tapping Drag Enabled Default"
+
/* Tap drag lock enabled/disabled: BOOL, 1 value */
#define LIBINPUT_PROP_TAP_DRAG_LOCK "libinput Tapping Drag Lock Enabled"
diff --git a/man/libinput.man b/man/libinput.man
index b6f476e..43beda7 100644
--- a/man/libinput.man
+++ b/man/libinput.man
@@ -129,6 +129,14 @@ mouse is connected".
.BI "Option \*qTapping\*q \*q" bool \*q
Enables or disables tap-to-click behavior.
.TP 7
+.BI "Option \*qTappingDrag\*q \*q" bool \*q
+Enables or disables drag during tapping behavior ("tap-and-drag"). When
+enabled, a tap followed by a finger held down causes a single button down
+only, all motions of that finger thus translate into dragging motion.
+Tap-and-drag requires option
+.B Tapping
+to be enabled.
+.TP 7
.BI "Option \*qTappingDragLock\*q \*q" bool \*q
Enables or disables drag lock during tapping behavior. When enabled, a
finger up during tap-and-drag will not immediately release the button. If
diff --git a/src/xf86libinput.c b/src/xf86libinput.c
index fd07cf3..b520b26 100644
--- a/src/xf86libinput.c
+++ b/src/xf86libinput.c
@@ -112,6 +112,7 @@ struct xf86libinput {
struct options {
BOOL tapping;
+ BOOL tap_drag;
BOOL tap_drag_lock;
BOOL natural_scrolling;
BOOL left_handed;
@@ -386,6 +387,13 @@ LibinputApplyConfig(DeviceIntPtr dev)
"Failed to set Tapping DragLock to %d\n",
driver_data->options.tap_drag_lock);
+ if (libinput_device_config_tap_get_finger_count(device) > 0 &&
+ libinput_device_config_tap_set_drag_enabled(device,
+
driver_data->options.tap_drag) != LIBINPUT_CONFIG_STATUS_SUCCESS)
+ xf86IDrvMsg(pInfo, X_ERROR,
+ "Failed to set Tapping Drag to %d\n",
+ driver_data->options.tap_drag);
+
if (libinput_device_config_calibration_has_matrix(device) &&
libinput_device_config_calibration_set_matrix(device,
driver_data->options.matrix) != LIBINPUT_CONFIG_STATUS_SUCCESS)
@@ -1277,6 +1285,30 @@ xf86libinput_parse_tap_option(InputInfoPtr pInfo,
}
static inline BOOL
+xf86libinput_parse_tap_drag_option(InputInfoPtr pInfo,
+ struct libinput_device *device)
+{
+ BOOL drag;
+
+ if (libinput_device_config_tap_get_finger_count(device) == 0)
+ return FALSE;
+
+ drag = xf86SetBoolOption(pInfo->options,
+ "TappingDrag",
+
libinput_device_config_tap_get_drag_enabled(device));
+
+ if (libinput_device_config_tap_set_drag_enabled(device, drag) !=
+ LIBINPUT_CONFIG_STATUS_SUCCESS) {
+ xf86IDrvMsg(pInfo, X_ERROR,
+ "Failed to set Tapping Drag Lock to %d\n",
+ drag);
+ drag = libinput_device_config_tap_get_drag_enabled(device);
+ }
+
+ return drag;
+}
+
+static inline BOOL
xf86libinput_parse_tap_drag_lock_option(InputInfoPtr pInfo,
struct libinput_device *device)
{
@@ -1683,6 +1715,7 @@ xf86libinput_parse_options(InputInfoPtr pInfo,
/* libinput options */
options->tapping = xf86libinput_parse_tap_option(pInfo, device);
+ options->tap_drag = xf86libinput_parse_tap_drag_option(pInfo, device);
options->tap_drag_lock = xf86libinput_parse_tap_drag_lock_option(pInfo,
device);
options->speed = xf86libinput_parse_accel_option(pInfo, device);
options->accel_profile = xf86libinput_parse_accel_profile_option(pInfo,
device);
@@ -2046,6 +2079,8 @@ _X_EXPORT XF86ModuleData libinputModuleData = {
/* libinput-specific properties */
static Atom prop_tap;
static Atom prop_tap_default;
+static Atom prop_tap_drag;
+static Atom prop_tap_drag_default;
static Atom prop_tap_drag_lock;
static Atom prop_tap_drag_lock_default;
static Atom prop_calibration;
@@ -2136,6 +2171,37 @@ LibinputSetPropertyTap(DeviceIntPtr dev,
}
static inline int
+LibinputSetPropertyTapDrag(DeviceIntPtr dev,
+ Atom atom,
+ XIPropertyValuePtr val,
+ BOOL checkonly)
+{
+ InputInfoPtr pInfo = dev->public.devicePrivate;
+ struct xf86libinput *driver_data = pInfo->private;
+ struct libinput_device *device = driver_data->shared_device->device;
+ BOOL* data;
+
+ if (val->format != 8 || val->size != 1 || val->type != XA_INTEGER)
+ return BadMatch;
+
+ data = (BOOL*)val->data;
+ if (checkonly) {
+ if (*data != 0 && *data != 1)
+ return BadValue;
+
+ if (!xf86libinput_check_device(dev, atom))
+ return BadMatch;
+
+ if (libinput_device_config_tap_get_finger_count(device) == 0)
+ return BadMatch;
+ } else {
+ driver_data->options.tap_drag = *data;
+ }
+
+ return Success;
+}
+
+static inline int
LibinputSetPropertyTapDragLock(DeviceIntPtr dev,
Atom atom,
XIPropertyValuePtr val,
@@ -2673,6 +2739,8 @@ LibinputSetProperty(DeviceIntPtr dev, Atom atom,
XIPropertyValuePtr val,
if (atom == prop_tap)
rc = LibinputSetPropertyTap(dev, atom, val, checkonly);
+ else if (atom == prop_tap_drag)
+ rc = LibinputSetPropertyTapDrag(dev, atom, val, checkonly);
else if (atom == prop_tap_drag_lock)
rc = LibinputSetPropertyTapDragLock(dev, atom, val, checkonly);
else if (atom == prop_calibration)
@@ -2704,6 +2772,7 @@ LibinputSetProperty(DeviceIntPtr dev, Atom atom,
XIPropertyValuePtr val,
rc = LibinputSetPropertyHorizScroll(dev, atom, val, checkonly);
else if (atom == prop_device || atom == prop_product_id ||
atom == prop_tap_default ||
+ atom == prop_tap_drag_default ||
atom == prop_tap_drag_lock_default ||
atom == prop_calibration_default ||
atom == prop_accel_default ||
@@ -2778,6 +2847,30 @@ LibinputInitTapProperty(DeviceIntPtr dev,
}
static void
+LibinputInitTapDragProperty(DeviceIntPtr dev,
+ struct xf86libinput *driver_data,
+ struct libinput_device *device)
+{
+ BOOL drag = driver_data->options.tap_drag;
+
+ if (libinput_device_config_tap_get_finger_count(device) == 0)
+ return;
+
+ prop_tap_drag = LibinputMakeProperty(dev,
+ LIBINPUT_PROP_TAP_DRAG,
+ XA_INTEGER, 8,
+ 1, &drag);
+ if (!prop_tap_drag)
+ return;
+
+ drag = libinput_device_config_tap_get_default_drag_enabled(device);
+ prop_tap_drag_default = LibinputMakeProperty(dev,
+
LIBINPUT_PROP_TAP_DRAG_DEFAULT,
+ XA_INTEGER, 8,
+ 1, &drag);
+}
+
+static void
LibinputInitTapDragLockProperty(DeviceIntPtr dev,
struct xf86libinput *driver_data,
struct libinput_device *device)
@@ -3293,6 +3386,7 @@ LibinputInitProperty(DeviceIntPtr dev)
prop_float = XIGetKnownProperty("FLOAT");
LibinputInitTapProperty(dev, driver_data, device);
+ LibinputInitTapDragProperty(dev, driver_data, device);
LibinputInitTapDragLockProperty(dev, driver_data, device);
LibinputInitCalibrationProperty(dev, driver_data, device);
LibinputInitAccelProperty(dev, driver_data, device);
