evdev 2.10.2

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

10-evdev.conf

@@ -0,0 +1,40 @@
+#
+# Catch-all evdev loader for udev-based systems
+# We don't simply match on any device since that also adds accelerometers
+# and other devices that we don't really want to use. The list below
+# matches everything but joysticks.
+
+Section "InputClass"
+        Identifier "evdev pointer catchall"
+        MatchIsPointer "on"
+        MatchDevicePath "/dev/input/event*"
+        Driver "evdev"
+EndSection
+
+Section "InputClass"
+        Identifier "evdev keyboard catchall"
+        MatchIsKeyboard "on"
+        MatchDevicePath "/dev/input/event*"
+        Driver "evdev"
+EndSection
+
+Section "InputClass"
+        Identifier "evdev touchpad catchall"
+        MatchIsTouchpad "on"
+        MatchDevicePath "/dev/input/event*"
+        Driver "evdev"
+EndSection
+
+Section "InputClass"
+        Identifier "evdev tablet catchall"
+        MatchIsTablet "on"
+        MatchDevicePath "/dev/input/event*"
+        Driver "evdev"
+EndSection
+
+Section "InputClass"
+        Identifier "evdev touchscreen catchall"
+        MatchIsTouchscreen "on"
+        MatchDevicePath "/dev/input/event*"
+        Driver "evdev"
+EndSection

Makefile.am

@@ -28,6 +28,7 @@ MAINTAINERCLEANFILES = ChangeLog INSTALL
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = xorg-evdev.pc
 
+dist_xorgconf_DATA = 10-evdev.conf
 
 .PHONY: ChangeLog INSTALL
 

configure.ac

@@ -23,7 +23,7 @@
 # Initialize Autoconf
 AC_PREREQ([2.60])
 AC_INIT([xf86-input-evdev],
-        [2.8.99.1],
+        [2.10.2],
         [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
         [xf86-input-evdev])
 AC_CONFIG_SRCDIR([Makefile.am])
@@ -44,19 +44,11 @@ XORG_MACROS_VERSION(1.8)
 XORG_DEFAULT_OPTIONS
 
 # Obtain compiler/linker options from server and required extensions
-PKG_CHECK_MODULES(XORG, [xorg-server >= 1.10] xproto inputproto)
+PKG_CHECK_MODULES(XORG, [xorg-server >= 1.12] xproto [inputproto >= 2.1.99.3])
 PKG_CHECK_MODULES(UDEV, libudev)
 
-PKG_CHECK_MODULES(XI22, [inputproto >= 2.1.99.3] [xorg-server >= 1.11.99.901], HAVE_XI22="yes", HAVE_XI22="no")
 PKG_CHECK_MODULES(LIBEVDEV, [libevdev >= 0.4])
-
-if test "x$HAVE_XI22" = xyes; then
-        # Obtain compiler/linker options for mtdev
-        PKG_CHECK_MODULES(MTDEV, mtdev, HAVE_MTDEV="yes", HAVE_MTDEV="no")
-fi
-if test "x$HAVE_XI22" = xyes && test "x$HAVE_MTDEV" = xyes; then
-        AC_DEFINE(MULTITOUCH, 1, [XI2.2 available])
-fi
+PKG_CHECK_MODULES(MTDEV, mtdev)
 
 # Define a configure option for an alternate input module directory
 AC_ARG_WITH(xorg-module-dir,
@@ -67,6 +59,13 @@ AC_ARG_WITH(xorg-module-dir,
 inputdir=${moduledir}/input
 AC_SUBST(inputdir)
 
+AC_ARG_WITH(xorg-conf-dir,
+            AC_HELP_STRING([--with-xorg-conf-dir=DIR],
+                           [Default xorg.conf.d directory [[default=$prefix/share/X11/xorg.conf.d/]]]),
+            [xorgconfdir="$withval"],
+            [xorgconfdir="$prefix/share/X11/xorg.conf.d"])
+AC_SUBST(xorgconfdir)
+
 # X Server SDK location is required to install evdev header files
 # This location is also relayed in the xorg-evdev.pc file
 sdkdir=`$PKG_CONFIG --variable=sdkdir xorg-server`

man/evdev.man

@@ -125,6 +125,19 @@ Property: "Evdev Wheel Emulation Button".
 Specifies how far (in pixels) the pointer must move to generate button
 press/release events in wheel emulation mode.  Default: 10. Property: "Evdev
 Wheel Emulation Inertia".
+.IP
+This value must be set for any device does not resemble a standard mouse.
+Specifically, on absolute devices such as tablets the value should be set to
+a reasonable fraction of the expected movement to avoid excess scroll events.
+.IP
+.B WARNING:
+the name \*qinertia\*q is a misnomer. This option defines the distance
+required to generate one scroll event similar to the
+.B VertScrollDelta
+and
+.B HorizScrollDelta
+options. It does not enable inertia in the
+physical sense, scrolling stops immediately once the movement has stopped.
 .TP 7
 .BI "Option \*qEmulateWheelTimeout\*q \*q" integer \*q
 Specifies the time in milliseconds the
@@ -238,6 +251,12 @@ Default: "1".  Property: "Evdev Scrolling Distance".
 .BI "Option \*qDialDelta\*q \*q" integer \*q
 The amount of motion considered one unit of turning the dial.  Default: "1".
 Property: "Evdev Scrolling Distance".
+.TP 7
+.BI "Option \*qResolution\*q \*q" integer \*q
+Sets the resolution of the device in dots per inch. The resolution is used
+to scale relative motion events from mouse devices to 1000 DPI resolution. This
+can be used to make high resolution mice less sensitive without turning off
+acceleration. If set to 0 no scaling will be performed. Default: "0".
 
 .SH SUPPORTED PROPERTIES
 The following properties are provided by the

src/emuThird.c

@@ -229,8 +229,8 @@ Evdev3BEmuProcessAbsMotion(InputInfoPtr pInfo, ValuatorMask *vals)
     {
         if (valuator_mask_isset(vals, axis))
         {
-            int delta = valuator_mask_get(vals, axis) - emu3B->startpos[axis];
-            if (abs(delta) > emu3B->threshold)
+            double delta = valuator_mask_get_double(vals, axis) - emu3B->startpos[axis];
+            if (fabs(delta) > emu3B->threshold)
                 cancel = TRUE;
         }
         axis++;
@@ -248,7 +248,7 @@ Evdev3BEmuProcessAbsMotion(InputInfoPtr pInfo, ValuatorMask *vals)
  * emulation.
  */
 void
-Evdev3BEmuProcessRelMotion(InputInfoPtr pInfo, int dx, int dy)
+Evdev3BEmuProcessRelMotion(InputInfoPtr pInfo, double dx, double dy)
 {
     EvdevPtr          pEvdev = pInfo->private;
     struct emulate3B *emu3B  = &pEvdev->emulate3B;
@@ -260,8 +260,8 @@ Evdev3BEmuProcessRelMotion(InputInfoPtr pInfo, int dx, int dy)
     emu3B->delta[1] += dy;
     emu3B->flags |= EVDEV_RELATIVE_EVENTS;
 
-    if (abs(emu3B->delta[0]) > emu3B->threshold ||
-        abs(emu3B->delta[1]) > emu3B->threshold)
+    if (fabs(emu3B->delta[0]) > emu3B->threshold ||
+        fabs(emu3B->delta[1]) > emu3B->threshold)
     {
         Evdev3BEmuPostButtonEvent(pInfo, 1, BUTTON_PRESS);
         Evdev3BCancel(pInfo);

src/emuWheel.c

@@ -95,7 +95,7 @@ BOOL
 EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
 {
     EvdevPtr pEvdev = (EvdevPtr)pInfo->private;
-    WheelAxisPtr pAxis = NULL, pOtherAxis = NULL;
+    WheelAxisPtr pAxis = NULL;
     int value = pEv->value;
 
     /* Has wheel emulation been configured to be enabled? */
@@ -119,7 +119,7 @@ EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
 	    int oldValue;
 
 	    if (axis > -1 && valuator_mask_fetch(pEvdev->old_vals, axis, &oldValue)) {
-		valuator_mask_set(pEvdev->vals, axis, value);
+		valuator_mask_set(pEvdev->abs_vals, axis, value);
 		value -= oldValue; /* make value into a differential measurement */
 	    } else
                 value = 0; /* avoid a jump on the first touch */
@@ -130,13 +130,11 @@ EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
 	/* ABS_X has the same value as REL_X, so this case catches both */
 	case REL_X:
 	    pAxis = &(pEvdev->emulateWheel.X);
-	    pOtherAxis = &(pEvdev->emulateWheel.Y);
 	    break;
 
 	/* ABS_Y has the same value as REL_Y, so this case catches both */
 	case REL_Y:
 	    pAxis = &(pEvdev->emulateWheel.Y);
-	    pOtherAxis = &(pEvdev->emulateWheel.X);
 	    break;
 
 	default:
@@ -144,15 +142,10 @@ EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
 	}
 
 	/* If we found REL_X, REL_Y, ABS_X or ABS_Y then emulate a mouse
-	   wheel.  Reset the inertia of the other axis when a scroll event
-	   was sent to avoid the buildup of erroneous scroll events if the
-	   user doesn't move in a perfectly straight line.
+	   wheel.
 	 */
 	if (pAxis)
-	{
-	    if (EvdevWheelEmuInertia(pInfo, pAxis, value))
-		pOtherAxis->traveled_distance = 0;
-	}
+	    EvdevWheelEmuInertia(pInfo, pAxis, value);
 
 	/* Eat motion events while emulateWheel button pressed. */
 	return TRUE;

src/evdev.h

@@ -43,9 +43,7 @@
 #include <xf86_OSproc.h>
 #include <xkbstr.h>
 
-#ifdef MULTITOUCH
 #include <mtdev.h>
-#endif
 
 #include <libevdev/libevdev.h>
 
@@ -65,10 +63,6 @@
 #define LED_CNT (LED_MAX+1)
 #endif
 
-#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 14
-#define HAVE_SMOOTH_SCROLLING 1
-#endif
-
 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 18
 #define LogMessageVerbSigSafe xf86MsgVerb
 #endif
@@ -103,6 +97,8 @@
 /* Number of longs needed to hold the given number of bits */
 #define NLONGS(x) (((x) + LONG_BITS - 1) / LONG_BITS)
 
+#define DEFAULT_MOUSE_DPI 1000.0
+
 /* Function key mode */
 enum fkeymode {
     FKEYMODE_UNKNOWN = 0,
@@ -135,20 +131,14 @@ typedef struct {
         EV_QUEUE_KEY,	/* xf86PostKeyboardEvent() */
         EV_QUEUE_BTN,	/* xf86PostButtonEvent() */
         EV_QUEUE_PROXIMITY, /* xf86PostProximityEvent() */
-#ifdef MULTITOUCH
         EV_QUEUE_TOUCH,	/*xf86PostTouchEvent() */
-#endif
     } type;
     union {
         int key;	/* May be either a key code or button number. */
-#ifdef MULTITOUCH
         unsigned int touch; /* Touch ID */
-#endif
     } detail;
     int val;	/* State of the key/button/touch; pressed or released. */
-#ifdef MULTITOUCH
     ValuatorMask *touchMask;
-#endif
 } EventQueueRec, *EventQueuePtr;
 
 typedef struct {
@@ -161,16 +151,19 @@ typedef struct {
     int num_mt_vals;        /* number of multitouch valuators */
     int abs_axis_map[ABS_CNT]; /* Map evdev ABS_* to index */
     int rel_axis_map[REL_CNT]; /* Map evdev REL_* to index */
-    ValuatorMask *vals;     /* new values coming in */
-    ValuatorMask *old_vals; /* old values for calculating relative motion */
-    ValuatorMask *prox;     /* last values set while not in proximity */
+    ValuatorMask *abs_vals;     /* values for absolute axis */
+    ValuatorMask *rel_vals;     /* values for relative axis */
+    ValuatorMask *old_vals; /* old absolute values for calculating relative motion */
+    ValuatorMask *prox;     /* last absolute values set while not in proximity */
     ValuatorMask *mt_mask;
     ValuatorMask **last_mt_vals;
     int cur_slot;
-    enum SlotState slot_state;
-#ifdef MULTITOUCH
+    struct slot {
+        int dirty;
+        enum SlotState state;
+    } *slots;
     struct mtdev *mtdev;
-#endif
+    BOOL fake_mt;
 
     int flags;
     int in_proximity;           /* device in proximity */
@@ -179,8 +172,8 @@ typedef struct {
     BOOL swap_axes;
     BOOL invert_x;
     BOOL invert_y;
+    int resolution;
 
-    int delta[REL_CNT];
     unsigned int abs_queued, rel_queued, prox_queued;
 
     /* Middle mouse button emulation */
@@ -201,7 +194,7 @@ typedef struct {
         int                 button;      /* phys button to emit */
         int                 threshold;   /* move threshold in dev coords */
         OsTimerPtr          timer;
-        int                 delta[2];    /* delta x/y, accumulating */
+        double              delta[2];    /* delta x/y, accumulating */
         int                 startpos[2]; /* starting pos for abs devices */
         int                 flags;       /* remember if we had rel or abs movement */
     } emulate3B;
@@ -256,16 +249,12 @@ typedef struct {
 void EvdevQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value);
 void EvdevQueueButtonEvent(InputInfoPtr pInfo, int button, int value);
 void EvdevQueueProximityEvent(InputInfoPtr pInfo, int value);
-#ifdef MULTITOUCH
 void EvdevQueueTouchEvent(InputInfoPtr pInfo, unsigned int touch,
                           ValuatorMask *mask, uint16_t type);
-#endif
 void EvdevPostButtonEvent(InputInfoPtr pInfo, int button, enum ButtonAction act);
 void EvdevQueueButtonClicks(InputInfoPtr pInfo, int button, int count);
-void EvdevPostRelativeMotionEvents(InputInfoPtr pInfo, int num_v, int first_v,
-				   int v[MAX_VALUATORS]);
-void EvdevPostAbsoluteMotionEvents(InputInfoPtr pInfo, int num_v, int first_v,
-				   int v[MAX_VALUATORS]);
+void EvdevPostRelativeMotionEvents(InputInfoPtr pInfo);
+void EvdevPostAbsoluteMotionEvents(InputInfoPtr pInfo);
 unsigned int EvdevUtilButtonEventToButtonNumber(EvdevPtr pEvdev, int code);
 
 /* Middle Button emulation */
@@ -283,7 +272,7 @@ BOOL Evdev3BEmuFilterEvent(InputInfoPtr, int, BOOL);
 void Evdev3BEmuPreInit(InputInfoPtr pInfo);
 void Evdev3BEmuOn(InputInfoPtr);
 void Evdev3BEmuFinalize(InputInfoPtr);
-void Evdev3BEmuProcessRelMotion(InputInfoPtr pInfo, int dx, int dy);
+void Evdev3BEmuProcessRelMotion(InputInfoPtr pInfo, double dx, double dy);
 void Evdev3BEmuProcessAbsMotion(InputInfoPtr pInfo, ValuatorMask *vals);
 
 /* Mouse Wheel emulation */