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
|
/*
* Copyright © 2012 Canonical, Ltd.
*
* 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.
*
* Authors:
* Chase Douglas <chase.douglas@canonical.com>
*
* Trademarks are the property of their respective owners.
*/
#include "synproto.h"
#include "synaptics.h"
#include "synapticsstr.h"
#ifdef HAVE_MULTITOUCH
static int
HwStateAllocTouch(struct SynapticsHwState *hw, SynapticsPrivate *priv)
{
int num_vals;
int i = 0;
hw->num_mt_mask = priv->num_slots;
hw->mt_mask = malloc(hw->num_mt_mask * sizeof(ValuatorMask *));
if (!hw->mt_mask)
goto fail;
num_vals = 2; /* x and y */
num_vals += 2; /* scroll axes */
num_vals += priv->num_mt_axes;
for (; i < hw->num_mt_mask; i++)
{
hw->mt_mask[i] = valuator_mask_new(num_vals);
if (!hw->mt_mask[i])
goto fail;
}
hw->slot_state = calloc(hw->num_mt_mask, sizeof(enum SynapticsSlotState));
if (!hw->slot_state)
goto fail;
return Success;
fail:
for (i--; i >= 0; i--)
valuator_mask_free(&hw->mt_mask[i]);
free(hw->mt_mask);
hw->mt_mask = NULL;
return BadAlloc;
}
#endif
struct SynapticsHwState *
SynapticsHwStateAlloc(SynapticsPrivate *priv)
{
struct SynapticsHwState *hw;
hw = calloc(1, sizeof(struct SynapticsHwState));
if (!hw)
return NULL;
#ifdef HAVE_MULTITOUCH
if (HwStateAllocTouch(hw, priv) != Success)
{
free(hw);
return NULL;
}
#endif
return hw;
}
void
SynapticsHwStateFree(struct SynapticsHwState **hw)
{
#ifdef HAVE_MULTITOUCH
int i;
if (!*hw)
return;
free((*hw)->slot_state);
for (i = 0; i < (*hw)->num_mt_mask; i++)
valuator_mask_free(&(*hw)->mt_mask[i]);
free((*hw)->mt_mask);
#endif
free(*hw);
*hw = NULL;
}
void
SynapticsCopyHwState(struct SynapticsHwState *dst,
const struct SynapticsHwState *src)
{
#ifdef HAVE_MULTITOUCH
int i;
#endif
dst->millis = src->millis;
dst->x = src->x;
dst->y = src->y;
dst->z = src->z;
dst->cumulative_dx = src->cumulative_dx;
dst->cumulative_dy = src->cumulative_dy;
dst->numFingers = src->numFingers;
dst->fingerWidth = src->fingerWidth;
dst->left = src->left & BTN_EMULATED_FLAG ? 0 : src->left;
dst->right = src->right & BTN_EMULATED_FLAG ? 0 : src->right;
dst->up = src->up;
dst->down = src->down;
memcpy(dst->multi, src->multi, sizeof(dst->multi));
dst->middle = src->middle & BTN_EMULATED_FLAG ? 0 : src->middle;
#ifdef HAVE_MULTITOUCH
for (i = 0; i < dst->num_mt_mask && i < src->num_mt_mask; i++)
valuator_mask_copy(dst->mt_mask[i], src->mt_mask[i]);
memcpy(dst->slot_state, src->slot_state,
dst->num_mt_mask * sizeof(enum SynapticsSlotState));
#endif
}
void
SynapticsResetTouchHwState(struct SynapticsHwState *hw)
{
#ifdef HAVE_MULTITOUCH
int i;
for (i = 0; i < hw->num_mt_mask; i++)
{
int j;
/* Leave x and y valuators in case we need to restart touch */
for (j = 2; j < valuator_mask_num_valuators(hw->mt_mask[i]); j++)
valuator_mask_unset(hw->mt_mask[i], j);
hw->slot_state[i] = SLOTSTATE_EMPTY;
}
#endif
}
|
