From 3906399e7c2a40fbaf355de572cf50a314083f64 Mon Sep 17 00:00:00 2001 From: aarzilli Date: Wed, 18 Jan 2017 10:52:16 +0100 Subject: Regenerated from xcb-proto 1.12 --- nexgb/randr/randr.go | 487 +++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 418 insertions(+), 69 deletions(-) (limited to 'nexgb/randr') diff --git a/nexgb/randr/randr.go b/nexgb/randr/randr.go index 021c011..d280e95 100644 --- a/nexgb/randr/randr.go +++ b/nexgb/randr/randr.go @@ -503,6 +503,153 @@ func ModeInfoListBytes(buf []byte, list []ModeInfo) int { return xgb.Pad(b) } +type MonitorInfo struct { + Name xproto.Atom + Primary bool + Automatic bool + NOutput uint16 + X int16 + Y int16 + Width uint16 + Height uint16 + WidthInMillimeters uint32 + HeightInMillimeters uint32 + Outputs []Output // size: xgb.Pad((int(NOutput) * 4)) +} + +// MonitorInfoRead reads a byte slice into a MonitorInfo value. +func MonitorInfoRead(buf []byte, v *MonitorInfo) int { + b := 0 + + v.Name = xproto.Atom(xgb.Get32(buf[b:])) + b += 4 + + if buf[b] == 1 { + v.Primary = true + } else { + v.Primary = false + } + b += 1 + + if buf[b] == 1 { + v.Automatic = true + } else { + v.Automatic = false + } + b += 1 + + v.NOutput = xgb.Get16(buf[b:]) + b += 2 + + v.X = int16(xgb.Get16(buf[b:])) + b += 2 + + v.Y = int16(xgb.Get16(buf[b:])) + b += 2 + + v.Width = xgb.Get16(buf[b:]) + b += 2 + + v.Height = xgb.Get16(buf[b:]) + b += 2 + + v.WidthInMillimeters = xgb.Get32(buf[b:]) + b += 4 + + v.HeightInMillimeters = xgb.Get32(buf[b:]) + b += 4 + + v.Outputs = make([]Output, v.NOutput) + for i := 0; i < int(v.NOutput); i++ { + v.Outputs[i] = Output(xgb.Get32(buf[b:])) + b += 4 + } + + return b +} + +// MonitorInfoReadList reads a byte slice into a list of MonitorInfo values. +func MonitorInfoReadList(buf []byte, dest []MonitorInfo) int { + b := 0 + for i := 0; i < len(dest); i++ { + dest[i] = MonitorInfo{} + b += MonitorInfoRead(buf[b:], &dest[i]) + } + return xgb.Pad(b) +} + +// Bytes writes a MonitorInfo value to a byte slice. +func (v MonitorInfo) Bytes() []byte { + buf := make([]byte, (24 + xgb.Pad((int(v.NOutput) * 4)))) + b := 0 + + xgb.Put32(buf[b:], uint32(v.Name)) + b += 4 + + if v.Primary { + buf[b] = 1 + } else { + buf[b] = 0 + } + b += 1 + + if v.Automatic { + buf[b] = 1 + } else { + buf[b] = 0 + } + b += 1 + + xgb.Put16(buf[b:], v.NOutput) + b += 2 + + xgb.Put16(buf[b:], uint16(v.X)) + b += 2 + + xgb.Put16(buf[b:], uint16(v.Y)) + b += 2 + + xgb.Put16(buf[b:], v.Width) + b += 2 + + xgb.Put16(buf[b:], v.Height) + b += 2 + + xgb.Put32(buf[b:], v.WidthInMillimeters) + b += 4 + + xgb.Put32(buf[b:], v.HeightInMillimeters) + b += 4 + + for i := 0; i < int(v.NOutput); i++ { + xgb.Put32(buf[b:], uint32(v.Outputs[i])) + b += 4 + } + + return buf[:b] +} + +// MonitorInfoListBytes writes a list of MonitorInfo values to a byte slice. +func MonitorInfoListBytes(buf []byte, list []MonitorInfo) int { + b := 0 + var structBytes []byte + for _, item := range list { + structBytes = item.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + return xgb.Pad(b) +} + +// MonitorInfoListSize computes the size (bytes) of a list of MonitorInfo values. +func MonitorInfoListSize(list []MonitorInfo) int { + size := 0 + for _, item := range list { + size += (24 + xgb.Pad((int(item.NOutput) * 4))) + } + return size +} + const ( NotifyCrtcChange = 0 NotifyOutputChange = 1 @@ -2173,6 +2320,70 @@ func createModeRequest(c *xgb.Conn, Window xproto.Window, ModeInfo ModeInfo, Nam return buf } +// DeleteMonitorCookie is a cookie used only for DeleteMonitor requests. +type DeleteMonitorCookie struct { + *xgb.Cookie +} + +// DeleteMonitor sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func DeleteMonitor(c *xgb.Conn, Window xproto.Window, Name xproto.Atom) DeleteMonitorCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["RANDR"]; !ok { + panic("Cannot issue request 'DeleteMonitor' using the uninitialized extension 'RANDR'. randr.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, false) + c.NewRequest(deleteMonitorRequest(c, Window, Name), cookie) + return DeleteMonitorCookie{cookie} +} + +// DeleteMonitorChecked sends a checked request. +// If an error occurs, it can be retrieved using DeleteMonitorCookie.Check() +func DeleteMonitorChecked(c *xgb.Conn, Window xproto.Window, Name xproto.Atom) DeleteMonitorCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["RANDR"]; !ok { + panic("Cannot issue request 'DeleteMonitor' using the uninitialized extension 'RANDR'. randr.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, false) + c.NewRequest(deleteMonitorRequest(c, Window, Name), cookie) + return DeleteMonitorCookie{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 DeleteMonitorCookie) Check() error { + return cook.Cookie.Check() +} + +// Write request to wire for DeleteMonitor +// deleteMonitorRequest writes a DeleteMonitor request to a byte slice. +func deleteMonitorRequest(c *xgb.Conn, Window xproto.Window, Name xproto.Atom) []byte { + size := 12 + b := 0 + buf := make([]byte, size) + + c.ExtLock.RLock() + buf[b] = c.Extensions["RANDR"] + c.ExtLock.RUnlock() + b += 1 + + buf[b] = 44 // 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(Name)) + b += 4 + + return buf +} + // DeleteOutputModeCookie is a cookie used only for DeleteOutputMode requests. type DeleteOutputModeCookie struct { *xgb.Cookie @@ -2464,11 +2675,9 @@ type GetCrtcGammaReply struct { // padding: 1 bytes Size uint16 // padding: 22 bytes - Red []uint16 // size: xgb.Pad((int(Size) * 2)) - // alignment gap to multiple of 2 + Red []uint16 // size: xgb.Pad((int(Size) * 2)) Green []uint16 // size: xgb.Pad((int(Size) * 2)) - // alignment gap to multiple of 2 - Blue []uint16 // size: xgb.Pad((int(Size) * 2)) + Blue []uint16 // size: xgb.Pad((int(Size) * 2)) } // Reply blocks and returns the reply data for a GetCrtcGamma request. @@ -2507,16 +2716,12 @@ func getCrtcGammaReply(buf []byte) *GetCrtcGammaReply { b += 2 } - b = (b + 1) & ^1 // alignment gap - v.Green = make([]uint16, v.Size) for i := 0; i < int(v.Size); i++ { v.Green[i] = xgb.Get16(buf[b:]) b += 2 } - b = (b + 1) & ^1 // alignment gap - v.Blue = make([]uint16, v.Size) for i := 0; i < int(v.Size); i++ { v.Blue[i] = xgb.Get16(buf[b:]) @@ -2694,8 +2899,7 @@ type GetCrtcInfoReply struct { NumOutputs uint16 NumPossibleOutputs uint16 Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - // alignment gap to multiple of 4 - Possible []Output // size: xgb.Pad((int(NumPossibleOutputs) * 4)) + Possible []Output // size: xgb.Pad((int(NumPossibleOutputs) * 4)) } // Reply blocks and returns the reply data for a GetCrtcInfo request. @@ -2760,8 +2964,6 @@ func getCrtcInfoReply(buf []byte) *GetCrtcInfoReply { b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Possible = make([]Output, v.NumPossibleOutputs) for i := 0; i < int(v.NumPossibleOutputs); i++ { v.Possible[i] = Output(xgb.Get32(buf[b:])) @@ -2962,6 +3164,122 @@ func getCrtcTransformRequest(c *xgb.Conn, Crtc Crtc) []byte { return buf } +// GetMonitorsCookie is a cookie used only for GetMonitors requests. +type GetMonitorsCookie struct { + *xgb.Cookie +} + +// GetMonitors sends a checked request. +// If an error occurs, it will be returned with the reply by calling GetMonitorsCookie.Reply() +func GetMonitors(c *xgb.Conn, Window xproto.Window, GetActive bool) GetMonitorsCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["RANDR"]; !ok { + panic("Cannot issue request 'GetMonitors' using the uninitialized extension 'RANDR'. randr.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, true) + c.NewRequest(getMonitorsRequest(c, Window, GetActive), cookie) + return GetMonitorsCookie{cookie} +} + +// GetMonitorsUnchecked sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func GetMonitorsUnchecked(c *xgb.Conn, Window xproto.Window, GetActive bool) GetMonitorsCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["RANDR"]; !ok { + panic("Cannot issue request 'GetMonitors' using the uninitialized extension 'RANDR'. randr.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, true) + c.NewRequest(getMonitorsRequest(c, Window, GetActive), cookie) + return GetMonitorsCookie{cookie} +} + +// GetMonitorsReply represents the data returned from a GetMonitors request. +type GetMonitorsReply struct { + Sequence uint16 // sequence number of the request for this reply + Length uint32 // number of bytes in this reply + // padding: 1 bytes + Timestamp xproto.Timestamp + NMonitors uint32 + NOutputs uint32 + // padding: 12 bytes + Monitors []MonitorInfo // size: MonitorInfoListSize(Monitors) +} + +// Reply blocks and returns the reply data for a GetMonitors request. +func (cook GetMonitorsCookie) Reply() (*GetMonitorsReply, error) { + buf, err := cook.Cookie.Reply() + if err != nil { + return nil, err + } + if buf == nil { + return nil, nil + } + return getMonitorsReply(buf), nil +} + +// getMonitorsReply reads a byte slice into a GetMonitorsReply value. +func getMonitorsReply(buf []byte) *GetMonitorsReply { + v := new(GetMonitorsReply) + 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.Timestamp = xproto.Timestamp(xgb.Get32(buf[b:])) + b += 4 + + v.NMonitors = xgb.Get32(buf[b:]) + b += 4 + + v.NOutputs = xgb.Get32(buf[b:]) + b += 4 + + b += 12 // padding + + v.Monitors = make([]MonitorInfo, v.NMonitors) + b += MonitorInfoReadList(buf[b:], v.Monitors) + + return v +} + +// Write request to wire for GetMonitors +// getMonitorsRequest writes a GetMonitors request to a byte slice. +func getMonitorsRequest(c *xgb.Conn, Window xproto.Window, GetActive bool) []byte { + size := 12 + b := 0 + buf := make([]byte, size) + + c.ExtLock.RLock() + buf[b] = c.Extensions["RANDR"] + c.ExtLock.RUnlock() + b += 1 + + buf[b] = 42 // 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 + + if GetActive { + buf[b] = 1 + } else { + buf[b] = 0 + } + b += 1 + + return buf +} + // GetOutputInfoCookie is a cookie used only for GetOutputInfo requests. type GetOutputInfoCookie struct { *xgb.Cookie @@ -3009,12 +3327,10 @@ type GetOutputInfoReply struct { NumPreferred uint16 NumClones uint16 NameLen uint16 - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - // alignment gap to multiple of 4 - Modes []Mode // size: xgb.Pad((int(NumModes) * 4)) - // alignment gap to multiple of 4 - Clones []Output // size: xgb.Pad((int(NumClones) * 4)) - Name []byte // size: xgb.Pad((int(NameLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + Modes []Mode // size: xgb.Pad((int(NumModes) * 4)) + Clones []Output // size: xgb.Pad((int(NumClones) * 4)) + Name []byte // size: xgb.Pad((int(NameLen) * 1)) } // Reply blocks and returns the reply data for a GetOutputInfo request. @@ -3082,16 +3398,12 @@ func getOutputInfoReply(buf []byte) *GetOutputInfoReply { b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Modes = make([]Mode, v.NumModes) for i := 0; i < int(v.NumModes); i++ { v.Modes[i] = Mode(xgb.Get32(buf[b:])) b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Clones = make([]Output, v.NumClones) for i := 0; i < int(v.NumClones); i++ { v.Clones[i] = Output(xgb.Get32(buf[b:])) @@ -3551,14 +3863,11 @@ type GetProviderInfoReply struct { NumAssociatedProviders uint16 NameLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - // alignment gap to multiple of 4 - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - // alignment gap to multiple of 4 - AssociatedProviders []Provider // size: xgb.Pad((int(NumAssociatedProviders) * 4)) - // alignment gap to multiple of 4 - AssociatedCapability []uint32 // size: xgb.Pad((int(NumAssociatedProviders) * 4)) - Name string // size: xgb.Pad((int(NameLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + AssociatedProviders []Provider // size: xgb.Pad((int(NumAssociatedProviders) * 4)) + AssociatedCapability []uint32 // size: xgb.Pad((int(NumAssociatedProviders) * 4)) + Name string // size: xgb.Pad((int(NameLen) * 1)) } // Reply blocks and returns the reply data for a GetProviderInfo request. @@ -3613,24 +3922,18 @@ func getProviderInfoReply(buf []byte) *GetProviderInfoReply { b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = (b + 3) & ^3 // alignment gap - v.AssociatedProviders = make([]Provider, v.NumAssociatedProviders) for i := 0; i < int(v.NumAssociatedProviders); i++ { v.AssociatedProviders[i] = Provider(xgb.Get32(buf[b:])) b += 4 } - b = (b + 3) & ^3 // alignment gap - v.AssociatedCapability = make([]uint32, v.NumAssociatedProviders) for i := 0; i < int(v.NumAssociatedProviders); i++ { v.AssociatedCapability[i] = xgb.Get32(buf[b:]) @@ -3966,8 +4269,7 @@ type GetScreenInfoReply struct { Rate uint16 NInfo uint16 // padding: 2 bytes - Sizes []ScreenSize // size: xgb.Pad((int(NSizes) * 8)) - // alignment gap to multiple of 2 + Sizes []ScreenSize // size: xgb.Pad((int(NSizes) * 8)) Rates []RefreshRates // size: RefreshRatesListSize(Rates) } @@ -4026,8 +4328,6 @@ func getScreenInfoReply(buf []byte) *GetScreenInfoReply { v.Sizes = make([]ScreenSize, v.NSizes) b += ScreenSizeReadList(buf[b:], v.Sizes) - b = (b + 1) & ^1 // alignment gap - v.Rates = make([]RefreshRates, (int(v.NInfo) - int(v.NSizes))) b += RefreshRatesReadList(buf[b:], v.Rates) @@ -4101,12 +4401,10 @@ type GetScreenResourcesReply struct { NumModes uint16 NamesLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - // alignment gap to multiple of 4 - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - // alignment gap to multiple of 4 - Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) - Names []byte // size: xgb.Pad((int(NamesLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) + Names []byte // size: xgb.Pad((int(NamesLen) * 1)) } // Reply blocks and returns the reply data for a GetScreenResources request. @@ -4160,16 +4458,12 @@ func getScreenResourcesReply(buf []byte) *GetScreenResourcesReply { b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Modes = make([]ModeInfo, v.NumModes) b += ModeInfoReadList(buf[b:], v.Modes) @@ -4247,12 +4541,10 @@ type GetScreenResourcesCurrentReply struct { NumModes uint16 NamesLen uint16 // padding: 8 bytes - Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) - // alignment gap to multiple of 4 - Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) - // alignment gap to multiple of 4 - Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) - Names []byte // size: xgb.Pad((int(NamesLen) * 1)) + Crtcs []Crtc // size: xgb.Pad((int(NumCrtcs) * 4)) + Outputs []Output // size: xgb.Pad((int(NumOutputs) * 4)) + Modes []ModeInfo // size: xgb.Pad((int(NumModes) * 32)) + Names []byte // size: xgb.Pad((int(NamesLen) * 1)) } // Reply blocks and returns the reply data for a GetScreenResourcesCurrent request. @@ -4306,16 +4598,12 @@ func getScreenResourcesCurrentReply(buf []byte) *GetScreenResourcesCurrentReply b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Outputs = make([]Output, v.NumOutputs) for i := 0; i < int(v.NumOutputs); i++ { v.Outputs[i] = Output(xgb.Get32(buf[b:])) b += 4 } - b = (b + 3) & ^3 // alignment gap - v.Modes = make([]ModeInfo, v.NumModes) b += ModeInfoReadList(buf[b:], v.Modes) @@ -5254,7 +5542,7 @@ func (cook SetCrtcGammaCookie) Check() error { // Write request to wire for SetCrtcGamma // setCrtcGammaRequest writes a SetCrtcGamma request to a byte slice. func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Green []uint16, Blue []uint16) []byte { - size := xgb.Pad((((((12 + xgb.Pad((int(Size) * 2))) + 2) + xgb.Pad((int(Size) * 2))) + 2) + xgb.Pad((int(Size) * 2)))) + size := xgb.Pad((((12 + xgb.Pad((int(Size) * 2))) + xgb.Pad((int(Size) * 2))) + xgb.Pad((int(Size) * 2)))) b := 0 buf := make([]byte, size) @@ -5266,7 +5554,7 @@ func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Gree buf[b] = 24 // request opcode b += 1 - blen := b + xgb.Put16(buf[b:], uint16(size/4)) // write request size in 4-byte units b += 2 xgb.Put32(buf[b:], uint32(Crtc)) @@ -5282,23 +5570,17 @@ func setCrtcGammaRequest(c *xgb.Conn, Crtc Crtc, Size uint16, Red []uint16, Gree b += 2 } - b = (b + 1) & ^1 // alignment gap - for i := 0; i < int(Size); i++ { xgb.Put16(buf[b:], Green[i]) b += 2 } - b = (b + 1) & ^1 // alignment gap - for i := 0; i < int(Size); i++ { xgb.Put16(buf[b:], Blue[i]) b += 2 } - b = xgb.Pad(b) - xgb.Put16(buf[blen:], uint16(b/4)) // write request size in 4-byte units - return buf[:b] + return buf } // SetCrtcTransformCookie is a cookie used only for SetCrtcTransform requests. @@ -5385,6 +5667,73 @@ func setCrtcTransformRequest(c *xgb.Conn, Crtc Crtc, Transform render.Transform, return buf[:b] } +// SetMonitorCookie is a cookie used only for SetMonitor requests. +type SetMonitorCookie struct { + *xgb.Cookie +} + +// SetMonitor sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func SetMonitor(c *xgb.Conn, Window xproto.Window, Monitorinfo MonitorInfo) SetMonitorCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["RANDR"]; !ok { + panic("Cannot issue request 'SetMonitor' using the uninitialized extension 'RANDR'. randr.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, false) + c.NewRequest(setMonitorRequest(c, Window, Monitorinfo), cookie) + return SetMonitorCookie{cookie} +} + +// SetMonitorChecked sends a checked request. +// If an error occurs, it can be retrieved using SetMonitorCookie.Check() +func SetMonitorChecked(c *xgb.Conn, Window xproto.Window, Monitorinfo MonitorInfo) SetMonitorCookie { + c.ExtLock.RLock() + defer c.ExtLock.RUnlock() + if _, ok := c.Extensions["RANDR"]; !ok { + panic("Cannot issue request 'SetMonitor' using the uninitialized extension 'RANDR'. randr.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, false) + c.NewRequest(setMonitorRequest(c, Window, Monitorinfo), cookie) + return SetMonitorCookie{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 SetMonitorCookie) Check() error { + return cook.Cookie.Check() +} + +// Write request to wire for SetMonitor +// setMonitorRequest writes a SetMonitor request to a byte slice. +func setMonitorRequest(c *xgb.Conn, Window xproto.Window, Monitorinfo MonitorInfo) []byte { + size := xgb.Pad((8 + (24 + xgb.Pad((int(Monitorinfo.NOutput) * 4))))) + b := 0 + buf := make([]byte, size) + + c.ExtLock.RLock() + buf[b] = c.Extensions["RANDR"] + c.ExtLock.RUnlock() + b += 1 + + buf[b] = 43 // 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 + + { + structBytes := Monitorinfo.Bytes() + copy(buf[b:], structBytes) + b += len(structBytes) + } + + return buf +} + // SetOutputPrimaryCookie is a cookie used only for SetOutputPrimary requests. type SetOutputPrimaryCookie struct { *xgb.Cookie -- cgit v1.2.3