Patch by Clemens Zeilder:

* Implemented Synaptics touchpad support in the PS2 bus_manager by
  refactoring/splitting the structure some and adding touchpad device
  handling.
* Implemented Touchpad input_server device add-on
* Created Touchpad preflet for configuring advances Synaptics touchpad
  options like scroll region (both horizontal and vertical) as well
  as other neat stuff

Thanks a lot, Clemens!


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28416 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/input/kb_mouse_driver.h

@@ -62,6 +62,8 @@ enum {
 	MS_GET_CLICKSPEED,
 	MS_SET_CLICKSPEED,
 	MS_NUM_SERIAL_MICE,
+	MS_IS_TOUCHPAD,
+	MS_SET_TOUCHPAD_SETTINGS,
 	
 	IIC_WRITE = B_DEVICE_OP_CODES_END + 200, 
 	RESTART_SYSTEM,
@@ -117,6 +119,25 @@ typedef struct {
   float		tilt_y;
 } tablet_movement;
 
+#define B_ONE_FINGER	0x01
+#define B_TWO_FINGER	0x02
+#define B_MULTI_FINGER	0x04
+#define B_PEN			0x08
+
+typedef struct
+{
+	uint8		buttons;
+	uint32		xPosition;
+	uint32		yPosition;
+	uint8		zPressure;
+	uint8		fingers;
+	bool		gesture;
+	uint8		fingerWidth;
+	// 1 - 4	normal width
+	// 5 - 11	very wide finger or palm
+	// 12		maximum reportable width; extrem wide contact
+} touchpad_movement;
+
 #ifdef __cplusplus
 }
 #endif

headers/private/input/touchpad_driver.h

@@ -0,0 +1,38 @@
+//
+// kb_mouse_driver.h
+//
+#ifndef _TOUCHPAD_DRIVER_H
+#define _TOUCHPAD_DRIVER_H
+
+#include <SupportDefs.h>
+#include <Drivers.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define B_ONE_FINGER	0x01
+#define B_TWO_FINGER	0x02
+#define B_MULTI_FINGER	0x04
+#define B_PEN			0x08
+
+typedef struct {
+	uint8		buttons;
+	uint32		xPosition;
+	uint32		yPosition;
+	uint8		zPressure;
+	uint8		fingers;
+	bool		gesture;
+	uint8		fingerWidth;
+	// 1 - 4	normal width
+	// 5 - 11	very wide finger or palm
+	// 12		maximum reportable width; extrem wide contact
+} touchpad_movement;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+

headers/private/input/touchpad_settings.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2001-2008, Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef TOUCHPAD_SETTINGS_H
+#define TOUCHPAD_SETTINGS_H
+
+#include <SupportDefs.h>
+
+
+typedef struct {
+	bool	scroll_twofinger;
+	bool	scroll_multifinger;
+	float	scroll_rightrange;		// from 0 to 1
+	float	scroll_bottomrange;		// from 0 to 1
+	uint16	scroll_xstepsize;
+	uint16	scroll_ystepsize;
+	uint8	scroll_acceleration;	// from 0 to 20
+
+	uint8	tapgesture_sensibility;	// 0 : no tapgesture
+									// 20: very light tip is enough (default)
+} touchpad_settings;
+
+
+const static touchpad_settings kDefaultTouchpadSettings = {
+	true,
+	true,
+	0.15,
+	0.15,
+	7,
+	10,
+	10,
+	20
+};
+
+#define TOUCHPAD_SETTINGS_FILE "Touchpad_settings"
+
+
+#endif	/* TOUCHPAD_SETTINGS_H */