1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of Red Hat
* not be used in advertising or publicity pertaining to distribution
* of the software without specific, written prior permission. Red
* Hat makes no representations about the suitability of this software
* for any purpose. It is provided "as is" without express or implied
* warranty.
*
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SYNAPTICSSTR_H_
#define _SYNAPTICSSTR_H_
#include "synproto.h"
/******************************************************************************
* Definitions
* structs, typedefs, #defines, enums
*****************************************************************************/
#define SYNAPTICS_MOVE_HISTORY 5
typedef struct _SynapticsMoveHist
{
int x, y;
int millis;
} SynapticsMoveHistRec;
enum FingerState { /* Note! The order matters. Compared with < operator. */
FS_UNTOUCHED,
FS_TOUCHED,
FS_PRESSED
};
enum MovingState {
MS_FALSE,
MS_TOUCHPAD_RELATIVE,
MS_TRACKSTICK /* trackstick is always relative */
};
enum MidButtonEmulation {
MBE_OFF, /* No button pressed */
MBE_LEFT, /* Left button pressed, waiting for right button or timeout */
MBE_RIGHT, /* Right button pressed, waiting for left button or timeout */
MBE_MID, /* Left and right buttons pressed, waiting for both buttons
to be released */
MBE_TIMEOUT, /* Waiting for both buttons to be released. */
MBE_LEFT_CLICK, /* Emulate left button click. */
MBE_RIGHT_CLICK, /* Emulate right button click. */
};
/* See docs/tapndrag.dia for a state machine diagram */
enum TapState {
TS_START, /* No tap/drag in progress */
TS_1, /* After first touch */
TS_MOVE, /* Pointer movement enabled */
TS_2A, /* After first release */
TS_2B, /* After second/third/... release */
TS_SINGLETAP, /* After timeout after first release */
TS_3, /* After second touch */
TS_DRAG, /* Pointer drag enabled */
TS_4, /* After release when "locked drags" enabled */
TS_5 /* After touch when "locked drags" enabled */
};
enum TapButtonState {
TBS_BUTTON_UP, /* "Virtual tap button" is up */
TBS_BUTTON_DOWN, /* "Virtual tap button" is down */
TBS_BUTTON_DOWN_UP /* Send button down event + set up state */
};
enum TouchpadModel {
MODEL_UNKNOWN = 0,
MODEL_SYNAPTICS,
MODEL_ALPS,
MODEL_APPLETOUCH
};
typedef enum {
BOTTOM_EDGE = 1,
TOP_EDGE = 2,
LEFT_EDGE = 4,
RIGHT_EDGE = 8,
LEFT_BOTTOM_EDGE = BOTTOM_EDGE | LEFT_EDGE,
RIGHT_BOTTOM_EDGE = BOTTOM_EDGE | RIGHT_EDGE,
RIGHT_TOP_EDGE = TOP_EDGE | RIGHT_EDGE,
LEFT_TOP_EDGE = TOP_EDGE | LEFT_EDGE,
/* EDGE_CHANGED and EDGE_CHANGED_WAITING are flags to signal that there
* at least one edge has changed and that there is a property notify
* event waiting to be sent, respectively. */
EDGE_CHANGED = 16,
EDGE_CHANGE_WAITING = 32
} edge_type;
typedef struct _SynapticsParameters
{
/* Parameter data */
int left_edge, right_edge, top_edge, bottom_edge; /* edge coordinates absolute */
int finger_low, finger_high, finger_press; /* finger detection values in Z-values */
int tap_time;
int tap_move; /* max. tapping time and movement in packets and coord. */
int single_tap_timeout; /* timeout to recognize a single tap */
int tap_time_2; /* max. tapping time for double taps */
int click_time; /* The duration of a single click */
Bool fast_taps; /* Faster reaction to single taps */
int emulate_mid_button_time; /* Max time between left and right button presses to
emulate a middle button press. */
int emulate_twofinger_z; /* pressure threshold to emulate two finger touch (for Alps) */
int emulate_twofinger_w; /* Finger width threshold to emulate two finger touch */
int scroll_dist_vert; /* Scrolling distance in absolute coordinates */
int scroll_dist_horiz; /* Scrolling distance in absolute coordinates */
Bool scroll_edge_vert; /* Enable/disable vertical scrolling on right edge */
Bool scroll_edge_horiz; /* Enable/disable horizontal scrolling on left edge */
Bool scroll_edge_corner; /* Enable/disable continuous edge scrolling when in the corner */
Bool scroll_twofinger_vert; /* Enable/disable vertical two-finger scrolling */
Bool scroll_twofinger_horiz; /* Enable/disable horizontal two-finger scrolling */
Bool special_scroll_area_right; /* Enable/disable autodetection right special scroll area */
double min_speed, max_speed, accl; /* movement parameters */
double trackstick_speed; /* trackstick mode speed */
int edge_motion_min_z; /* finger pressure at which minimum edge motion speed is set */
int edge_motion_max_z; /* finger pressure at which maximum edge motion speed is set */
int edge_motion_min_speed; /* slowest setting for edge motion speed */
int edge_motion_max_speed; /* fastest setting for edge motion speed */
Bool edge_motion_use_always; /* If false, egde motion is used only when dragging */
Bool updown_button_scrolling; /* Up/Down-Button scrolling or middle/double-click */
Bool leftright_button_scrolling; /* Left/right-button scrolling, or two lots of middle button */
Bool updown_button_repeat; /* If up/down button being used to scroll, auto-repeat?*/
Bool leftright_button_repeat; /* If left/right button being used to scroll, auto-repeat? */
int scroll_button_repeat; /* time, in milliseconds, between scroll events being
* sent when holding down scroll buttons */
int touchpad_off; /* Switches the touchpad off
* 0 : Not off
* 1 : Off
* 2 : Only tapping and scrolling off
*/
Bool guestmouse_off; /* Switches the guest mouse off */
Bool locked_drags; /* Enable locked drags */
int locked_drag_time; /* timeout for locked drags */
int tap_action[MAX_TAP]; /* Button to report on tap events */
int click_action[MAX_CLICK]; /* Button to report on click with fingers */
Bool circular_scrolling; /* Enable circular scrolling */
double scroll_dist_circ; /* Scrolling angle radians */
int circular_trigger; /* Trigger area for circular scrolling */
Bool circular_pad; /* Edge has an oval or circular shape */
Bool palm_detect; /* Enable Palm Detection */
int palm_min_width; /* Palm detection width */
int palm_min_z; /* Palm detection depth */
double coasting_speed; /* Coasting threshold scrolling speed */
int press_motion_min_z; /* finger pressure at which minimum pressure motion factor is applied */
int press_motion_max_z; /* finger pressure at which maximum pressure motion factor is applied */
double press_motion_min_factor; /* factor applied on speed when finger pressure is at minimum */
double press_motion_max_factor; /* factor applied on speed when finger pressure is at minimum */
Bool grab_event_device; /* grab event device for exclusive use? */
Bool tap_and_drag_gesture; /* Switches the tap-and-drag gesture on/off */
unsigned int resolution_horiz; /* horizontal resolution of touchpad in units/mm */
unsigned int resolution_vert; /* vertical resolution of touchpad in units/mm */
int area_left_edge, area_right_edge, area_top_edge, area_bottom_edge; /* area coordinates absolute */
} SynapticsParameters;
typedef struct _SynapticsPrivateRec
{
SynapticsParameters synpara; /* Default parameter settings, read from
the X config file */
SynapticsSHM *synshm; /* Current parameter settings. Will point to
shared memory if shm_config is true */
struct SynapticsProtocolOperations* proto_ops;
void *proto_data; /* protocol-specific data */
struct SynapticsHwState hwState;
Bool shm_config; /* True when shared memory area allocated */
OsTimerPtr timer; /* for up/down-button repeat, tap processing, etc */
struct CommData comm;
SynapticsMoveHistRec move_hist[SYNAPTICS_MOVE_HISTORY]; /* movement history */
int hist_index; /* Last added entry in move_hist[] */
int scroll_y; /* last y-scroll position */
int scroll_x; /* last x-scroll position */
double scroll_a; /* last angle-scroll position */
int count_packet_finger; /* packet counter with finger on the touchpad */
int button_delay_millis; /* button delay for 3rd button emulation */
Bool prev_up; /* Previous up button value, for double click emulation */
enum FingerState finger_state; /* previous finger state */
enum TapState tap_state; /* State of tap processing */
int tap_max_fingers; /* Max number of fingers seen since entering start state */
int tap_button; /* Which button started the tap processing */
enum TapButtonState tap_button_state; /* Current tap action */
SynapticsMoveHistRec touch_on; /* data when the touchpad is touched/released */
enum MovingState moving_state; /* previous moving state */
Bool vert_scroll_edge_on; /* Keeps track of currently active scroll modes */
Bool horiz_scroll_edge_on; /* Keeps track of currently active scroll modes */
Bool vert_scroll_twofinger_on; /* Keeps track of currently active scroll modes */
Bool horiz_scroll_twofinger_on; /* Keeps track of currently active scroll modes */
Bool circ_scroll_on; /* Keeps track of currently active scroll modes */
Bool circ_scroll_vert; /* True: Generate vertical scroll events
False: Generate horizontal events */
int trackstick_neutral_x; /* neutral x position for trackstick mode */
int trackstick_neutral_y; /* neutral y position for trackstick mode */
double autoscroll_xspd; /* Horizontal coasting speed */
double autoscroll_yspd; /* Vertical coasting speed */
double autoscroll_x; /* Accumulated horizontal coasting scroll */
double autoscroll_y; /* Accumulated vertical coasting scroll */
int scroll_packet_count; /* Scroll duration */
double frac_x, frac_y; /* absolute -> relative fraction */
enum MidButtonEmulation mid_emu_state; /* emulated 3rd button */
int repeatButtons; /* buttons for repeat */
int nextRepeat; /* Time when to trigger next auto repeat event */
int lastButtons; /* last state of the buttons */
int palm; /* Set to true when palm detected, reset to false when
palm/finger contact disappears */
int prev_z; /* previous z value, for palm detection */
int avg_width; /* weighted average of previous fingerWidth values */
double horiz_coeff; /* normalization factor for x coordintes */
double vert_coeff; /* normalization factor for y coordintes */
int minx, maxx, miny, maxy; /* min/max dimensions as detected */
int minp, maxp, minw, maxw; /* min/max pressure and finger width as detected */
int resx, resy; /* resolution of coordinates as detected in units/mm */
Bool has_left; /* left button detected for this device */
Bool has_right; /* right button detected for this device */
Bool has_middle; /* middle button detected for this device */
Bool has_double; /* double click detected for this device */
Bool has_triple; /* triple click detected for this device */
Bool has_pressure; /* device reports pressure */
enum TouchpadModel model; /* The detected model */
/* edges_forces is set to RIGHT_EDGE | LEFT_EDGE | ... when the matching
* edge is specified in the xorg.conf. When the edges are auto-adjusted,
* edges_forces may be flagged EDGE_CHANGED and EDGE_CHANGED_WAITING */
int edges_forced; /* edges set manually? RIGHT_EDGE | LEFT_EDGE | ... */
OsTimerPtr property_notify_timer; /* For sending off property notify events */
} SynapticsPrivate;
#endif /* _SYNAPTICSSTR_H_ */
|
