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
|
/*
* Copyright © 2009, 2010, 2011 Intel Corp.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include "backends/native/meta-input-device-tool-native.h"
G_DEFINE_TYPE (MetaInputDeviceToolNative, meta_input_device_tool_native,
CLUTTER_TYPE_INPUT_DEVICE_TOOL)
static void
meta_input_device_tool_native_finalize (GObject *object)
{
MetaInputDeviceToolNative *tool = META_INPUT_DEVICE_TOOL_NATIVE (object);
g_hash_table_unref (tool->button_map);
libinput_tablet_tool_unref (tool->tool);
G_OBJECT_CLASS (meta_input_device_tool_native_parent_class)->finalize (object);
}
static void
meta_input_device_tool_native_class_init (MetaInputDeviceToolNativeClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_input_device_tool_native_finalize;
}
static void
meta_input_device_tool_native_init (MetaInputDeviceToolNative *tool)
{
tool->button_map = g_hash_table_new (NULL, NULL);
}
ClutterInputDeviceTool *
meta_input_device_tool_native_new (struct libinput_tablet_tool *tool,
uint64_t serial,
ClutterInputDeviceToolType type)
{
MetaInputDeviceToolNative *evdev_tool;
evdev_tool = g_object_new (META_TYPE_INPUT_DEVICE_TOOL_NATIVE,
"type", type,
"serial", serial,
"id", libinput_tablet_tool_get_tool_id (tool),
NULL);
evdev_tool->tool = libinput_tablet_tool_ref (tool);
return CLUTTER_INPUT_DEVICE_TOOL (evdev_tool);
}
void
meta_input_device_tool_native_set_pressure_curve (ClutterInputDeviceTool *tool,
double curve[4])
{
MetaInputDeviceToolNative *evdev_tool;
g_return_if_fail (META_IS_INPUT_DEVICE_TOOL_NATIVE (tool));
g_return_if_fail (curve[0] >= 0 && curve[0] <= 1 &&
curve[1] >= 0 && curve[1] <= 1 &&
curve[2] >= 0 && curve[2] <= 1 &&
curve[3] >= 0 && curve[3] <= 1);
evdev_tool = META_INPUT_DEVICE_TOOL_NATIVE (tool);
evdev_tool->pressure_curve[0] = curve[0];
evdev_tool->pressure_curve[1] = curve[1];
evdev_tool->pressure_curve[2] = curve[2];
evdev_tool->pressure_curve[3] = curve[3];
}
void
meta_input_device_tool_native_set_button_code (ClutterInputDeviceTool *tool,
uint32_t button,
uint32_t evcode)
{
MetaInputDeviceToolNative *evdev_tool;
g_return_if_fail (META_IS_INPUT_DEVICE_TOOL_NATIVE (tool));
evdev_tool = META_INPUT_DEVICE_TOOL_NATIVE (tool);
if (evcode == 0)
{
g_hash_table_remove (evdev_tool->button_map, GUINT_TO_POINTER (button));
}
else
{
g_hash_table_insert (evdev_tool->button_map, GUINT_TO_POINTER (button),
GUINT_TO_POINTER (evcode));
}
}
static double
calculate_bezier_position (double pos,
double x1,
double y1,
double x2,
double y2)
{
double int1_y, int2_y;
pos = CLAMP (pos, 0, 1);
/* Intersection between 0,0 and x1,y1 */
int1_y = pos * y1;
/* Intersection between x2,y2 and 1,1 */
int2_y = (pos * (1 - y2)) + y2;
/* Find the new position in the line traced by the previous points */
return (pos * (int2_y - int1_y)) + int1_y;
}
double
meta_input_device_tool_native_translate_pressure (ClutterInputDeviceTool *tool,
double pressure)
{
MetaInputDeviceToolNative *evdev_tool;
g_return_val_if_fail (META_IS_INPUT_DEVICE_TOOL_NATIVE (tool), pressure);
evdev_tool = META_INPUT_DEVICE_TOOL_NATIVE (tool);
return calculate_bezier_position (CLAMP (pressure, 0, 1),
evdev_tool->pressure_curve[0],
evdev_tool->pressure_curve[1],
evdev_tool->pressure_curve[2],
evdev_tool->pressure_curve[3]);
}
uint32_t
meta_input_device_tool_native_get_button_code (ClutterInputDeviceTool *tool,
uint32_t button)
{
MetaInputDeviceToolNative *evdev_tool;
g_return_val_if_fail (META_IS_INPUT_DEVICE_TOOL_NATIVE (tool), 0);
evdev_tool = META_INPUT_DEVICE_TOOL_NATIVE (tool);
return GPOINTER_TO_UINT (g_hash_table_lookup (evdev_tool->button_map,
GUINT_TO_POINTER (button)));
}
|
