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input headers: Fix fingerWith documentation + license update

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Add and fix description of the current values for fingerWith
field and related constants along with future expectations
for the same. The latest explainted as TODO item.

Change-Id: I876a9cf03a935309159401a6c88d9047bf225f90
Reviewed-on: https://review.haiku-os.org/c/haiku/+/9863
Reviewed-by: waddlesplash <[email protected]>
Tested-by: Commit checker robot <[email protected]>
This commit is contained in:
Samuel Rodríguez Pérez
2025-11-29 19:36:51 +00:00
committed by Adrien Destugues
parent 8df94f989a
commit 5cc2a47ef1
1 changed files with 24 additions and 4 deletions
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headers/private/input/keyboard_mouse_driver.h
+24 -4
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2010, Haiku. All rights reserved.
* Copyright 2002-2025, Haiku. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _KEYBOARD_MOUSE_DRIVER_H
@@ -118,6 +118,10 @@ typedef struct {
} tablet_movement;
// TODO: The following constants are not in use by drivers yet
// so they cannot be used by movement_maker.cpp and these
// values do not match with Synaptics driver finger width value.
// See more info on touchpad_movement.fingerWidth TODO comment.
#define B_ONE_FINGER 0x01
#define B_TWO_FINGER 0x02
#define B_MULTI_FINGER 0x04
@@ -148,13 +152,29 @@ typedef struct {
uint8 fingers;
bool gesture;
uint8 fingerWidth;
// TODO: Finger width is currently operating with these values
// on drivers and movement_maker.cpp probably following
// Synaptics driver finger width value interpretation of "w":
//
// 0 Two finger on the pad
// 1 Three or more fingers
// 2 Pen (instead of finger)
// 3 ?
// 4 - 7 normal width
// 8 - 14 very wide finger or palm
// 15 maximum reportable width; extreme wide contact
//
// While it looks like the idea is to decouple this to end up with
// values related to the width only and not mixed with other features:
// For instance:
//
// 1 - 4 normal width
// 5 - 11 very wide finger or palm
// 12 maximum reportable width; extreme wide contact
int32 wheel_ydelta;
int32 wheel_xdelta;
int32 wheel_zdelta;
int32 wheel_wdelta;
// 1 - 4 normal width
// 5 - 11 very wide finger or palm
// 12 maximum reportable width; extreme wide contact
} touchpad_movement;