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// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later
package input
import (
"github.com/linuxdeepin/go-x11-client"
)
// #WREQ
func encodeOpenDevice(deviceId uint8) (b x.RequestBody) {
b.AddBlock(1).
Write1b(deviceId).
WritePad(3).
End()
return
}
type OpenDeviceReply struct {
XIReplyType uint8
ClassInfos []ClassInfo
}
func readOpenDeviceReply(r *x.Reader, v *OpenDeviceReply) error {
if !r.RemainAtLeast4b(8) {
return x.ErrDataLenShort
}
v.XIReplyType, _ = r.ReadReplyHeader()
classInfosLen := int(r.Read1b())
r.ReadPad(23) // 8
if classInfosLen > 0 {
if !r.RemainAtLeast(2 * classInfosLen) {
return x.ErrDataLenShort
}
v.ClassInfos = make([]ClassInfo, classInfosLen)
for i := 0; i < classInfosLen; i++ {
v.ClassInfos[i] = readClassInfo(r)
}
}
return nil
}
func FindTypeAndClass(deviceId uint8, classInfos []ClassInfo,
classId uint8, eventCode uint8) (Type uint8, class EventClass) {
for _, classInfo := range classInfos {
if classInfo.ClassId == classId {
Type = classInfo.EventTypeBase + eventCode
class = EventClass(uint32(deviceId)<<8 | uint32(Type))
}
}
return
}
// size: 2b
type ClassInfo struct {
ClassId uint8
EventTypeBase uint8
}
func readClassInfo(r *x.Reader) ClassInfo {
var v ClassInfo
v.ClassId = r.Read1b()
v.EventTypeBase = r.Read1b()
return v
}
// #WREQ
func encodeCloseDevice(deviceId uint8) (b x.RequestBody) {
b.AddBlock(1).
Write1b(deviceId).
WritePad(3).
End()
return
}
// #WREQ
func encodeSelectExtensionEvent(window x.Window, classes []EventClass) (b x.RequestBody) {
b0 := b.AddBlock(2 + len(classes)).
Write4b(uint32(window)).
Write2b(uint16(len(classes))).
WritePad(2)
for _, class := range classes {
b0.Write4b(uint32(class))
}
b0.End()
return
}
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