aboutsummaryrefslogtreecommitdiff
path: root/nexgb/res/res.go
blob: 56f469190feb5cb51de6f22d53eab023e3b3c74f (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
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
// Package res is the X client API for the X-Resource extension.
package res

/*
	This file was generated by res.xml on May 11 2012 1:58:36am EDT.
	This file is automatically generated. Edit at your peril!
*/

import (
	"github.com/BurntSushi/xgb"

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

// Init must be called before using the X-Resource extension.
func Init(c *xgb.Conn) error {
	reply, err := xproto.QueryExtension(c, 10, "X-Resource").Reply()
	switch {
	case err != nil:
		return err
	case !reply.Present:
		return xgb.Errorf("No extension named X-Resource could be found on on the server.")
	}

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

	return nil
}

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

// Skipping definition for base type 'Card32'

// Skipping definition for base type 'Double'

// Skipping definition for base type 'Bool'

// Skipping definition for base type 'Float'

// Skipping definition for base type 'Card8'

// Skipping definition for base type 'Int16'

// Skipping definition for base type 'Int32'

// Skipping definition for base type 'Void'

// Skipping definition for base type 'Byte'

// Skipping definition for base type 'Int8'

// Skipping definition for base type 'Card16'

// Skipping definition for base type 'Char'

type Client struct {
	ResourceBase uint32
	ResourceMask uint32
}

// ClientRead reads a byte slice into a Client value.
func ClientRead(buf []byte, v *Client) int {
	b := 0

	v.ResourceBase = xgb.Get32(buf[b:])
	b += 4

	v.ResourceMask = xgb.Get32(buf[b:])
	b += 4

	return b
}

// ClientReadList reads a byte slice into a list of Client values.
func ClientReadList(buf []byte, dest []Client) int {
	b := 0
	for i := 0; i < len(dest); i++ {
		dest[i] = Client{}
		b += ClientRead(buf[b:], &dest[i])
	}
	return xgb.Pad(b)
}

// Bytes writes a Client value to a byte slice.
func (v Client) Bytes() []byte {
	buf := make([]byte, 8)
	b := 0

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

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

	return buf
}

// ClientListBytes writes a list of %s(MISSING) values to a byte slice.
func ClientListBytes(buf []byte, list []Client) int {
	b := 0
	var structBytes []byte
	for _, item := range list {
		structBytes = item.Bytes()
		copy(buf[b:], structBytes)
		b += xgb.Pad(len(structBytes))
	}
	return b
}

type Type struct {
	ResourceType xproto.Atom
	Count        uint32
}

// TypeRead reads a byte slice into a Type value.
func TypeRead(buf []byte, v *Type) int {
	b := 0

	v.ResourceType = xproto.Atom(xgb.Get32(buf[b:]))
	b += 4

	v.Count = xgb.Get32(buf[b:])
	b += 4

	return b
}

// TypeReadList reads a byte slice into a list of Type values.
func TypeReadList(buf []byte, dest []Type) int {
	b := 0
	for i := 0; i < len(dest); i++ {
		dest[i] = Type{}
		b += TypeRead(buf[b:], &dest[i])
	}
	return xgb.Pad(b)
}

// Bytes writes a Type value to a byte slice.
func (v Type) Bytes() []byte {
	buf := make([]byte, 8)
	b := 0

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

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

	return buf
}

// TypeListBytes writes a list of %s(MISSING) values to a byte slice.
func TypeListBytes(buf []byte, list []Type) int {
	b := 0
	var structBytes []byte
	for _, item := range list {
		structBytes = item.Bytes()
		copy(buf[b:], structBytes)
		b += xgb.Pad(len(structBytes))
	}
	return b
}

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

// QueryVersion sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply()
func QueryVersion(c *xgb.Conn, ClientMajor byte, ClientMinor byte) QueryVersionCookie {
	cookie := c.NewCookie(true, true)
	c.NewRequest(queryVersionRequest(c, ClientMajor, ClientMinor), cookie)
	return QueryVersionCookie{cookie}
}

// QueryVersionUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryVersionUnchecked(c *xgb.Conn, ClientMajor byte, ClientMinor byte) QueryVersionCookie {
	cookie := c.NewCookie(false, true)
	c.NewRequest(queryVersionRequest(c, ClientMajor, ClientMinor), cookie)
	return QueryVersionCookie{cookie}
}

// QueryVersionReply represents the data returned from a QueryVersion request.
type QueryVersionReply struct {
	Sequence uint16 // sequence number of the request for this reply
	Length   uint32 // number of bytes in this reply
	// padding: 1 bytes
	ServerMajor uint16
	ServerMinor uint16
}

// Reply blocks and returns the reply data for a QueryVersion request.
func (cook QueryVersionCookie) Reply() (*QueryVersionReply, error) {
	buf, err := cook.Cookie.Reply()
	if err != nil {
		return nil, err
	}
	if buf == nil {
		return nil, nil
	}
	return queryVersionReply(buf), nil
}

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

	b += 1 // padding

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

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

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

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

	return v
}

// Write request to wire for QueryVersion
// queryVersionRequest writes a QueryVersion request to a byte slice.
func queryVersionRequest(c *xgb.Conn, ClientMajor byte, ClientMinor byte) []byte {
	size := 8
	b := 0
	buf := make([]byte, size)

	buf[b] = c.Extensions["X-RESOURCE"]
	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] = ClientMajor
	b += 1

	buf[b] = ClientMinor
	b += 1

	return buf
}

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

// QueryClients sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryClientsCookie.Reply()
func QueryClients(c *xgb.Conn) QueryClientsCookie {
	cookie := c.NewCookie(true, true)
	c.NewRequest(queryClientsRequest(c), cookie)
	return QueryClientsCookie{cookie}
}

// QueryClientsUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryClientsUnchecked(c *xgb.Conn) QueryClientsCookie {
	cookie := c.NewCookie(false, true)
	c.NewRequest(queryClientsRequest(c), cookie)
	return QueryClientsCookie{cookie}
}

// QueryClientsReply represents the data returned from a QueryClients request.
type QueryClientsReply struct {
	Sequence uint16 // sequence number of the request for this reply
	Length   uint32 // number of bytes in this reply
	// padding: 1 bytes
	NumClients uint32
	// padding: 20 bytes
	Clients []Client // size: xgb.Pad((int(NumClients) * 8))
}

// Reply blocks and returns the reply data for a QueryClients request.
func (cook QueryClientsCookie) Reply() (*QueryClientsReply, error) {
	buf, err := cook.Cookie.Reply()
	if err != nil {
		return nil, err
	}
	if buf == nil {
		return nil, nil
	}
	return queryClientsReply(buf), nil
}

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

	b += 1 // padding

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

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

	v.NumClients = xgb.Get32(buf[b:])
	b += 4

	b += 20 // padding

	v.Clients = make([]Client, v.NumClients)
	b += ClientReadList(buf[b:], v.Clients)

	return v
}

// Write request to wire for QueryClients
// queryClientsRequest writes a QueryClients request to a byte slice.
func queryClientsRequest(c *xgb.Conn) []byte {
	size := 4
	b := 0
	buf := make([]byte, size)

	buf[b] = c.Extensions["X-RESOURCE"]
	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

	return buf
}

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

// QueryClientResources sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryClientResourcesCookie.Reply()
func QueryClientResources(c *xgb.Conn, Xid uint32) QueryClientResourcesCookie {
	cookie := c.NewCookie(true, true)
	c.NewRequest(queryClientResourcesRequest(c, Xid), cookie)
	return QueryClientResourcesCookie{cookie}
}

// QueryClientResourcesUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryClientResourcesUnchecked(c *xgb.Conn, Xid uint32) QueryClientResourcesCookie {
	cookie := c.NewCookie(false, true)
	c.NewRequest(queryClientResourcesRequest(c, Xid), cookie)
	return QueryClientResourcesCookie{cookie}
}

// QueryClientResourcesReply represents the data returned from a QueryClientResources request.
type QueryClientResourcesReply struct {
	Sequence uint16 // sequence number of the request for this reply
	Length   uint32 // number of bytes in this reply
	// padding: 1 bytes
	NumTypes uint32
	// padding: 20 bytes
	Types []Type // size: xgb.Pad((int(NumTypes) * 8))
}

// Reply blocks and returns the reply data for a QueryClientResources request.
func (cook QueryClientResourcesCookie) Reply() (*QueryClientResourcesReply, error) {
	buf, err := cook.Cookie.Reply()
	if err != nil {
		return nil, err
	}
	if buf == nil {
		return nil, nil
	}
	return queryClientResourcesReply(buf), nil
}

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

	b += 1 // padding

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

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

	v.NumTypes = xgb.Get32(buf[b:])
	b += 4

	b += 20 // padding

	v.Types = make([]Type, v.NumTypes)
	b += TypeReadList(buf[b:], v.Types)

	return v
}

// Write request to wire for QueryClientResources
// queryClientResourcesRequest writes a QueryClientResources request to a byte slice.
func queryClientResourcesRequest(c *xgb.Conn, Xid uint32) []byte {
	size := 8
	b := 0
	buf := make([]byte, size)

	buf[b] = c.Extensions["X-RESOURCE"]
	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

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

	return buf
}

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

// QueryClientPixmapBytes sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryClientPixmapBytesCookie.Reply()
func QueryClientPixmapBytes(c *xgb.Conn, Xid uint32) QueryClientPixmapBytesCookie {
	cookie := c.NewCookie(true, true)
	c.NewRequest(queryClientPixmapBytesRequest(c, Xid), cookie)
	return QueryClientPixmapBytesCookie{cookie}
}

// QueryClientPixmapBytesUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryClientPixmapBytesUnchecked(c *xgb.Conn, Xid uint32) QueryClientPixmapBytesCookie {
	cookie := c.NewCookie(false, true)
	c.NewRequest(queryClientPixmapBytesRequest(c, Xid), cookie)
	return QueryClientPixmapBytesCookie{cookie}
}

// QueryClientPixmapBytesReply represents the data returned from a QueryClientPixmapBytes request.
type QueryClientPixmapBytesReply struct {
	Sequence uint16 // sequence number of the request for this reply
	Length   uint32 // number of bytes in this reply
	// padding: 1 bytes
	Bytes         uint32
	BytesOverflow uint32
}

// Reply blocks and returns the reply data for a QueryClientPixmapBytes request.
func (cook QueryClientPixmapBytesCookie) Reply() (*QueryClientPixmapBytesReply, error) {
	buf, err := cook.Cookie.Reply()
	if err != nil {
		return nil, err
	}
	if buf == nil {
		return nil, nil
	}
	return queryClientPixmapBytesReply(buf), nil
}

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

	b += 1 // padding

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

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

	v.Bytes = xgb.Get32(buf[b:])
	b += 4

	v.BytesOverflow = xgb.Get32(buf[b:])
	b += 4

	return v
}

// Write request to wire for QueryClientPixmapBytes
// queryClientPixmapBytesRequest writes a QueryClientPixmapBytes request to a byte slice.
func queryClientPixmapBytesRequest(c *xgb.Conn, Xid uint32) []byte {
	size := 8
	b := 0
	buf := make([]byte, size)

	buf[b] = c.Extensions["X-RESOURCE"]
	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

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

	return buf
}