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
|
/*
* This file is part of vimix - video live mixer
*
* **Copyright** (C) 2019-2025 Bruno Herbelin <bruno.herbelin@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
**/
#ifdef APPLE
#include "../src/TabletInput.h"
#include "../src/Log.h"
#import <Cocoa/Cocoa.h>
TabletInput::TabletInput()
: data_({0.0f, false, 0.0f, 0.0f, false, false})
, active_(false)
, monitor_(nullptr)
{
}
TabletInput::~TabletInput()
{
terminate();
}
bool TabletInput::init()
{
// Create event monitor for tablet events
// Note: Tablet data is delivered as subtypes of mouse events, not as separate tablet events
NSEventMask mask = NSEventMaskTabletPoint |
NSEventMaskTabletProximity |
NSEventMaskLeftMouseDown |
NSEventMaskLeftMouseUp |
NSEventMaskLeftMouseDragged |
NSEventMaskMouseMoved;
// Capture reference to data_ for the block
TabletData *dataPtr = &data_;
id monitor = [NSEvent addLocalMonitorForEventsMatchingMask:mask
handler:^NSEvent *(NSEvent *event) {
// Tablet proximity event
if (event.type == NSEventTypeTabletProximity) {
dataPtr->in_proximity = event.isEnteringProximity;
if (!dataPtr->in_proximity) {
dataPtr->pressure = 0.0f;
dataPtr->tilt_x = 0.0f;
dataPtr->tilt_y = 0.0f;
dataPtr->tip_down = false;
}
}
// Mouse events with tablet data (this is how tablet data is actually delivered)
else if (event.type == NSEventTypeLeftMouseDown) {
// Check if this mouse event contains tablet data
if (event.subtype == NSEventSubtypeTabletPoint) {
dataPtr->has_pressure = true;
dataPtr->pressure = event.pressure;
dataPtr->tilt_x = event.tilt.x;
dataPtr->tilt_y = event.tilt.y;
dataPtr->tip_down = true;
dataPtr->in_proximity = true;
}
else if (dataPtr->in_proximity && dataPtr->pressure == 0.0f) {
// Fallback: Set minimal pressure if tablet is near but not reporting pressure
dataPtr->pressure = 0.1f;
dataPtr->tip_down = true;
}
}
else if (event.type == NSEventTypeLeftMouseDragged) {
// Check if this mouse drag event contains tablet data (continuous pressure updates)
if (event.subtype == NSEventSubtypeTabletPoint) {
dataPtr->has_pressure = true;
dataPtr->pressure = event.pressure;
dataPtr->tilt_x = event.tilt.x;
dataPtr->tilt_y = event.tilt.y;
dataPtr->tip_down = true;
dataPtr->in_proximity = true;
}
else if (dataPtr->in_proximity && dataPtr->has_pressure) {
// Tablet point events should handle pressure updates
// This is just to ensure tip_down stays true during drag
dataPtr->tip_down = true;
}
}
else if (event.type == NSEventTypeLeftMouseUp) {
if (dataPtr->in_proximity) {
dataPtr->tip_down = false;
if (!dataPtr->in_proximity) {
dataPtr->pressure = 0.0f;
}
}
}
else if (event.type == NSEventTypeMouseMoved) {
// Check if this mouse move event contains tablet data (continuous pressure updates)
if (event.subtype == NSEventSubtypeTabletPoint) {
dataPtr->has_pressure = true;
dataPtr->pressure = event.pressure;
dataPtr->tilt_x = event.tilt.x;
dataPtr->tilt_y = event.tilt.y;
dataPtr->tip_down = (event.pressure > 0.0f);
dataPtr->in_proximity = true;
}
}
return event;
}];
// Store the monitor with manual retain
monitor_ = (__bridge void*)monitor;
[monitor retain];
active_ = true;
Log::Info("TabletInput: macOS tablet input initialized (NSEvent)");
return true;
}
void TabletInput::pollEvents()
{
// Events are handled automatically by the monitor callback
// Nothing to do here for macOS
}
void TabletInput::terminate()
{
if (monitor_) {
// release
id monitor = (__bridge id)monitor_;
[NSEvent removeMonitor:monitor];
[monitor release];
monitor_ = nullptr;
}
data_.pressure = 0.0f;
data_.tilt_x = 0.0f;
data_.tilt_y = 0.0f;
data_.in_proximity = false;
data_.tip_down = false;
active_ = false;
}
#endif // APPLE
|
