aboutsummaryrefslogtreecommitdiff
path: root/nexgb/xtest/xtest.go
blob: 182760e52bf877ca0fa3c30490f99df3e3b80b42 (plain)
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
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
// Package xtest is the X client API for the XTEST extension.
package xtest

// This file is automatically generated from xtest.xml. Edit at your peril!

import (
	"github.com/BurntSushi/xgb"

	"github.com/BurntSushi/xgb/xproto"
)

// Init must be called before using the XTEST extension.
func Init(c *xgb.Conn) error {
	reply, err := xproto.QueryExtension(c, 5, "XTEST").Reply()
	switch {
	case err != nil:
		return err
	case !reply.Present:
		return xgb.Errorf("No extension named XTEST could be found on on the server.")
	}

	c.ExtLock.Lock()
	c.Extensions["XTEST"] = reply.MajorOpcode
	c.ExtLock.Unlock()
	for evNum, fun := range xgb.NewExtEventFuncs["XTEST"] {
		xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
	}
	for errNum, fun := range xgb.NewExtErrorFuncs["XTEST"] {
		xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
	}
	return nil
}

func init() {
	xgb.NewExtEventFuncs["XTEST"] = make(map[int]xgb.NewEventFun)
	xgb.NewExtErrorFuncs["XTEST"] = make(map[int]xgb.NewErrorFun)
}

const (
	CursorNone    = 0
	CursorCurrent = 1
)

// Skipping definition for base type 'Bool'

// Skipping definition for base type 'Byte'

// Skipping definition for base type 'Card8'

// Skipping definition for base type 'Char'

// Skipping definition for base type 'Void'

// Skipping definition for base type 'Double'

// Skipping definition for base type 'Float'

// Skipping definition for base type 'Int16'

// Skipping definition for base type 'Int32'

// Skipping definition for base type 'Int8'

// Skipping definition for base type 'Card16'

// Skipping definition for base type 'Card32'

// CompareCursorCookie is a cookie used only for CompareCursor requests.
type CompareCursorCookie struct {
	*xgb.Cookie
}

// CompareCursor sends a checked request.
// If an error occurs, it will be returned with the reply by calling CompareCursorCookie.Reply()
func CompareCursor(c *xgb.Conn, Window xproto.Window, Cursor xproto.Cursor) CompareCursorCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'CompareCursor' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(true, true)
	c.NewRequest(compareCursorRequest(c, Window, Cursor), cookie)
	return CompareCursorCookie{cookie}
}

// CompareCursorUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func CompareCursorUnchecked(c *xgb.Conn, Window xproto.Window, Cursor xproto.Cursor) CompareCursorCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'CompareCursor' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(false, true)
	c.NewRequest(compareCursorRequest(c, Window, Cursor), cookie)
	return CompareCursorCookie{cookie}
}

// CompareCursorReply represents the data returned from a CompareCursor request.
type CompareCursorReply struct {
	Sequence uint16 // sequence number of the request for this reply
	Length   uint32 // number of bytes in this reply
	Same     bool
}

// Reply blocks and returns the reply data for a CompareCursor request.
func (cook CompareCursorCookie) Reply() (*CompareCursorReply, error) {
	buf, err := cook.Cookie.Reply()
	if err != nil {
		return nil, err
	}
	if buf == nil {
		return nil, nil
	}
	return compareCursorReply(buf), nil
}

// compareCursorReply reads a byte slice into a CompareCursorReply value.
func compareCursorReply(buf []byte) *CompareCursorReply {
	v := new(CompareCursorReply)
	b := 1 // skip reply determinant

	if buf[b] == 1 {
		v.Same = true
	} else {
		v.Same = false
	}
	b += 1

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.Length = xgb.Get32(buf[b:]) // 4-byte units
	b += 4

	return v
}

// Write request to wire for CompareCursor
// compareCursorRequest writes a CompareCursor request to a byte slice.
func compareCursorRequest(c *xgb.Conn, Window xproto.Window, Cursor xproto.Cursor) []byte {
	size := 12
	b := 0
	buf := make([]byte, size)

	c.ExtLock.RLock()
	buf[b] = c.Extensions["XTEST"]
	c.ExtLock.RUnlock()
	b += 1

	buf[b] = 1 // request opcode
	b += 1

	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
	b += 2

	xgb.Put32(buf[b:], uint32(Window))
	b += 4

	xgb.Put32(buf[b:], uint32(Cursor))
	b += 4

	return buf
}

// FakeInputCookie is a cookie used only for FakeInput requests.
type FakeInputCookie struct {
	*xgb.Cookie
}

// FakeInput sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func FakeInput(c *xgb.Conn, Type byte, Detail byte, Time uint32, Root xproto.Window, RootX int16, RootY int16, Deviceid byte) FakeInputCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'FakeInput' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(false, false)
	c.NewRequest(fakeInputRequest(c, Type, Detail, Time, Root, RootX, RootY, Deviceid), cookie)
	return FakeInputCookie{cookie}
}

// FakeInputChecked sends a checked request.
// If an error occurs, it can be retrieved using FakeInputCookie.Check()
func FakeInputChecked(c *xgb.Conn, Type byte, Detail byte, Time uint32, Root xproto.Window, RootX int16, RootY int16, Deviceid byte) FakeInputCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'FakeInput' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(true, false)
	c.NewRequest(fakeInputRequest(c, Type, Detail, Time, Root, RootX, RootY, Deviceid), cookie)
	return FakeInputCookie{cookie}
}

// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook FakeInputCookie) Check() error {
	return cook.Cookie.Check()
}

// Write request to wire for FakeInput
// fakeInputRequest writes a FakeInput request to a byte slice.
func fakeInputRequest(c *xgb.Conn, Type byte, Detail byte, Time uint32, Root xproto.Window, RootX int16, RootY int16, Deviceid byte) []byte {
	size := 36
	b := 0
	buf := make([]byte, size)

	c.ExtLock.RLock()
	buf[b] = c.Extensions["XTEST"]
	c.ExtLock.RUnlock()
	b += 1

	buf[b] = 2 // request opcode
	b += 1

	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
	b += 2

	buf[b] = Type
	b += 1

	buf[b] = Detail
	b += 1

	b += 2 // padding

	xgb.Put32(buf[b:], Time)
	b += 4

	xgb.Put32(buf[b:], uint32(Root))
	b += 4

	b += 8 // padding

	xgb.Put16(buf[b:], uint16(RootX))
	b += 2

	xgb.Put16(buf[b:], uint16(RootY))
	b += 2

	b += 7 // padding

	buf[b] = Deviceid
	b += 1

	return buf
}

// GetVersionCookie is a cookie used only for GetVersion requests.
type GetVersionCookie struct {
	*xgb.Cookie
}

// GetVersion sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetVersionCookie.Reply()
func GetVersion(c *xgb.Conn, MajorVersion byte, MinorVersion uint16) GetVersionCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'GetVersion' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(true, true)
	c.NewRequest(getVersionRequest(c, MajorVersion, MinorVersion), cookie)
	return GetVersionCookie{cookie}
}

// GetVersionUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetVersionUnchecked(c *xgb.Conn, MajorVersion byte, MinorVersion uint16) GetVersionCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'GetVersion' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(false, true)
	c.NewRequest(getVersionRequest(c, MajorVersion, MinorVersion), cookie)
	return GetVersionCookie{cookie}
}

// GetVersionReply represents the data returned from a GetVersion request.
type GetVersionReply struct {
	Sequence     uint16 // sequence number of the request for this reply
	Length       uint32 // number of bytes in this reply
	MajorVersion byte
	MinorVersion uint16
}

// Reply blocks and returns the reply data for a GetVersion request.
func (cook GetVersionCookie) Reply() (*GetVersionReply, error) {
	buf, err := cook.Cookie.Reply()
	if err != nil {
		return nil, err
	}
	if buf == nil {
		return nil, nil
	}
	return getVersionReply(buf), nil
}

// getVersionReply reads a byte slice into a GetVersionReply value.
func getVersionReply(buf []byte) *GetVersionReply {
	v := new(GetVersionReply)
	b := 1 // skip reply determinant

	v.MajorVersion = buf[b]
	b += 1

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.Length = xgb.Get32(buf[b:]) // 4-byte units
	b += 4

	v.MinorVersion = xgb.Get16(buf[b:])
	b += 2

	return v
}

// Write request to wire for GetVersion
// getVersionRequest writes a GetVersion request to a byte slice.
func getVersionRequest(c *xgb.Conn, MajorVersion byte, MinorVersion uint16) []byte {
	size := 8
	b := 0
	buf := make([]byte, size)

	c.ExtLock.RLock()
	buf[b] = c.Extensions["XTEST"]
	c.ExtLock.RUnlock()
	b += 1

	buf[b] = 0 // request opcode
	b += 1

	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
	b += 2

	buf[b] = MajorVersion
	b += 1

	b += 1 // padding

	xgb.Put16(buf[b:], MinorVersion)
	b += 2

	return buf
}

// GrabControlCookie is a cookie used only for GrabControl requests.
type GrabControlCookie struct {
	*xgb.Cookie
}

// GrabControl sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GrabControl(c *xgb.Conn, Impervious bool) GrabControlCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'GrabControl' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(false, false)
	c.NewRequest(grabControlRequest(c, Impervious), cookie)
	return GrabControlCookie{cookie}
}

// GrabControlChecked sends a checked request.
// If an error occurs, it can be retrieved using GrabControlCookie.Check()
func GrabControlChecked(c *xgb.Conn, Impervious bool) GrabControlCookie {
	c.ExtLock.RLock()
	defer c.ExtLock.RUnlock()
	if _, ok := c.Extensions["XTEST"]; !ok {
		panic("Cannot issue request 'GrabControl' using the uninitialized extension 'XTEST'. xtest.Init(connObj) must be called first.")
	}
	cookie := c.NewCookie(true, false)
	c.NewRequest(grabControlRequest(c, Impervious), cookie)
	return GrabControlCookie{cookie}
}

// Check returns an error if one occurred for checked requests that are not expecting a reply.
// This cannot be called for requests expecting a reply, nor for unchecked requests.
func (cook GrabControlCookie) Check() error {
	return cook.Cookie.Check()
}

// Write request to wire for GrabControl
// grabControlRequest writes a GrabControl request to a byte slice.
func grabControlRequest(c *xgb.Conn, Impervious bool) []byte {
	size := 8
	b := 0
	buf := make([]byte, size)

	c.ExtLock.RLock()
	buf[b] = c.Extensions["XTEST"]
	c.ExtLock.RUnlock()
	b += 1

	buf[b] = 3 // request opcode
	b += 1

	xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units
	b += 2

	if Impervious {
		buf[b] = 1
	} else {
		buf[b] = 0
	}
	b += 1

	b += 3 // padding

	return buf
}