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
253
254
255
256
257
258
259
260
261
262
|
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <xorg/xorg-server.h>
#include <xorg/fb.h>
#include <xorg/micmap.h>
#include <xorg/mipointer.h>
#include <xorg/shadow.h>
#include <xorg/xf86.h>
#include <xorg/xf86Module.h>
#include <xorg/xf86str.h>
#include "config.h"
#include "client.h"
#include "xNestedMouse.h"
#define SYSCALL(call) while (((call) == -1) && (errno == EINTR))
static pointer NestedMousePlug(pointer module, pointer options, int *errmaj, int *errmin);
static void NestedMouseUnplug(pointer p);
static void NestedMouseReadInput(InputInfoPtr pInfo);
static int NestedMouseControl(DeviceIntPtr device,int what);
static int _nested_mouse_init_buttons(DeviceIntPtr device);
static int _nested_mouse_init_axes(DeviceIntPtr device);
typedef struct _NestedMouseDeviceRec {
char *device;
int version; /* Driver version */
Atom* labels;
int num_vals;
int axes;
} NestedMouseDeviceRec, *NestedMouseDevicePtr;
static XF86ModuleVersionInfo NestedMouseVersionRec = {
"nestedmouse",
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XORG_VERSION_CURRENT,
PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR,
PACKAGE_VERSION_PATCHLEVEL,
ABI_CLASS_XINPUT,
ABI_XINPUT_VERSION,
MOD_CLASS_XINPUT,
{0, 0, 0, 0}
};
_X_EXPORT XF86ModuleData nestedMouseModuleData = {
&NestedMouseVersionRec,
&NestedMousePlug,
&NestedMouseUnplug
};
InputInfoPtr
NestedMousePreInit(InputDriverPtr drv, IDevPtr dev, int flags) {
InputInfoPtr pInfo;
NestedMouseDevicePtr pNestedMouse;
if (!(pInfo = xf86AllocateInput(drv, 0)))
return NULL;
pNestedMouse = xcalloc(1, sizeof(NestedMouseDeviceRec));
if (!pNestedMouse) {
pInfo->private = NULL;
xf86DeleteInput(pInfo, 0);
return NULL;
}
pInfo->private = pNestedMouse;
pInfo->name = xstrdup(dev->identifier);
pInfo->flags = 0;
pInfo->type_name = XI_MOUSE; /* see XI.h */
pInfo->conf_idev = dev;
pInfo->read_input = NestedMouseReadInput; /* new data avl */
pInfo->switch_mode = NULL; /* toggle absolute/relative mode */
pInfo->device_control = NestedMouseControl; /* enable/disable dev */
/* process driver specific options */
pNestedMouse->device = xf86SetStrOption(dev->commonOptions,
"Device",
"/dev/random");
xf86Msg(X_INFO, "%s: Using device %s.\n", pInfo->name, pNestedMouse->device);
/* process generic options */
xf86CollectInputOptions(pInfo, NULL, NULL);
xf86ProcessCommonOptions(pInfo, pInfo->options);
/* Open sockets, init device files, etc. */
SYSCALL(pInfo->fd = open(pNestedMouse->device, O_RDWR | O_NONBLOCK));
if (pInfo->fd == -1) {
xf86Msg(X_ERROR, "%s: failed to open %s.",
pInfo->name, pNestedMouse->device);
pInfo->private = NULL;
xfree(pNestedMouse);
xf86DeleteInput(pInfo, 0);
return NULL;
}
pInfo->flags |= XI86_OPEN_ON_INIT;
pInfo->flags |= XI86_CONFIGURED;
return pInfo;
}
void
NestedMouseUnInit(InputDriverPtr drv, InputInfoPtr pInfo, int flags) {
}
static pointer
NestedMousePlug(pointer module, pointer options, int *errmaj, int *errmin) {
//xf86AddInputDriver(&NESTEDMOUSE, module, 0);
return module;
}
static void
NestedMouseUnplug(pointer p) {
}
static int
_nested_mouse_init_buttons(DeviceIntPtr device) {
InputInfoPtr pInfo = device->public.devicePrivate;
CARD8 *map;
int i;
int ret = Success;
const int num_buttons = 2;
Atom btn_labels[2] = {0};
btn_labels[0] = "left";
btn_labels[1] = "right";
map = xcalloc(num_buttons, sizeof(CARD8));
for (i = 0; i < num_buttons; i++)
map[i] = i;
if (!InitButtonClassDeviceStruct(device, num_buttons, btn_labels, map)) {
xf86Msg(X_ERROR, "%s: Failed to register buttons.\n", pInfo->name);
ret = BadAlloc;
}
xfree(map);
return ret;
return -1;
}
static int
_nested_mouse_init_axes(DeviceIntPtr device) {
InputInfoPtr pInfo = device->public.devicePrivate;
int i;
const int num_axes = 2;
if (!InitValuatorClassDeviceStruct(device,
num_axes,
GetMotionHistory,
GetMotionHistorySize(),
0))
return BadAlloc;
pInfo->dev->valuator->mode = Relative;
if (!InitAbsoluteClassDeviceStruct(device))
return BadAlloc;
for (i = 0; i < 2; i++) {
xf86InitValuatorAxisStruct(device, i, "", -1, -1, 1, 1, 1);
xf86InitValuatorDefaults(device, i);
}
return Success;
return -1;
}
static int
NestedMouseControl(DeviceIntPtr device, int what) {
InputInfoPtr pInfo = device->public.devicePrivate;
NestedMouseDevicePtr pNestedMouse = pInfo->private;
switch (what) {
case DEVICE_INIT:
_nested_mouse_init_buttons(device);
_nested_mouse_init_axes(device);
break;
case DEVICE_ON:
xf86Msg(X_INFO, "%s: On.\n", pInfo->name);
if (device->public.on)
break;
xf86FlushInput(pInfo->fd);
xf86AddEnabledDevice(pInfo);
device->public.on = TRUE;
break;
case DEVICE_OFF:
xf86Msg(X_INFO, "%s: Off.\n", pInfo->name);
if (!device->public.on)
break;
xf86RemoveEnabledDevice(pInfo);
pInfo->fd = -1;
device->public.on = FALSE;
break;
case DEVICE_CLOSE:
/* free what we have to free */
break;
}
return Success;
}
static void
NestedMouseReadInput(InputInfoPtr pInfo) {
}
//Helper func to load mouse driver at the init of nested video driver
void Load_Nested_Mouse(NestedClientPrivatePtr clientData) {
xf86Msg(X_INFO, "NESTED MOUSE LOADING\n");
//xf86AddInputDriver(&NESTEDMOUSE, module, 0);
// Create input options for our invocation to NewInputDeviceRequest().
InputOption* options = (InputOption*)xalloc(sizeof(InputOption));
options->key = "driver";
options->value = "nestedmouse";
options->next = (InputOption*)xalloc(sizeof(InputOption));
options->next->key = "identifier";
options->next->value = "nestedmouse";
options->next->next = NULL;
DeviceIntPtr dev;
int ret = NewInputDeviceRequest(options, NULL, &dev);
if (ret != Success) {
xf86Msg(X_ERROR, "Failed to load input driver.\n");
}
NestedMouseControl(dev, DEVICE_ON);
InputInfoPtr pInfo = dev->public.devicePrivate;
NestedClientSetDevicePtr(clientData, pInfo->dev);
xf86Msg(X_INFO, "NESTED MOUSE LOADING DONE\n");
}
void NestedPostMouseMotion(void* dev, int x, int y) {
xf86PostMotionEvent(dev, TRUE, 0, 2, x, y);
}
void NestedPostMouseButton(void* dev, int button, int isDown) {
xf86PostButtonEvent(dev, 0, button, isDown, 0, 0);
}
|
