panic when an extension request is issued before an extension has been initialized. but give a nice error message for the happy people.

1 files changed, 207 insertions, 9 deletions

diff --git a/nexgb/xinput/xinput.go b/nexgb/xinput/xinput.go
index 0cb711b..2ed45b8 100644
--- a/nexgb/xinput/xinput.go
+++ b/nexgb/xinput/xinput.go
@@ -2,7 +2,7 @@
 package xinput
 
 /*
-	This file was generated by xinput.xml on May 11 2012 1:58:36am EDT.
+	This file was generated by xinput.xml on May 11 2012 11:57:20pm EDT.
 	This file is automatically generated. Edit at your peril!
 */
 
@@ -40,14 +40,6 @@ func init() {
 	xgb.NewExtErrorFuncs["XInputExtension"] = make(map[int]xgb.NewErrorFun)
 }
 
-// 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'
@@ -64,6 +56,14 @@ func init() {
 
 // 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'
+
 const (
 	ValuatorModeRelative = 0
 	ValuatorModeAbsolute = 1
@@ -4582,6 +4582,9 @@ type GetExtensionVersionCookie struct {
 // GetExtensionVersion sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetExtensionVersionCookie.Reply()
 func GetExtensionVersion(c *xgb.Conn, NameLen uint16, Name string) GetExtensionVersionCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetExtensionVersion' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getExtensionVersionRequest(c, NameLen, Name), cookie)
 	return GetExtensionVersionCookie{cookie}
@@ -4590,6 +4593,9 @@ func GetExtensionVersion(c *xgb.Conn, NameLen uint16, Name string) GetExtensionV
 // GetExtensionVersionUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetExtensionVersionUnchecked(c *xgb.Conn, NameLen uint16, Name string) GetExtensionVersionCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetExtensionVersion' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getExtensionVersionRequest(c, NameLen, Name), cookie)
 	return GetExtensionVersionCookie{cookie}
@@ -4684,6 +4690,9 @@ type ListInputDevicesCookie struct {
 // ListInputDevices sends a checked request.
 // If an error occurs, it will be returned with the reply by calling ListInputDevicesCookie.Reply()
 func ListInputDevices(c *xgb.Conn) ListInputDevicesCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ListInputDevices' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(listInputDevicesRequest(c), cookie)
 	return ListInputDevicesCookie{cookie}
@@ -4692,6 +4701,9 @@ func ListInputDevices(c *xgb.Conn) ListInputDevicesCookie {
 // ListInputDevicesUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ListInputDevicesUnchecked(c *xgb.Conn) ListInputDevicesCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ListInputDevices' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(listInputDevicesRequest(c), cookie)
 	return ListInputDevicesCookie{cookie}
@@ -4770,6 +4782,9 @@ type OpenDeviceCookie struct {
 // OpenDevice sends a checked request.
 // If an error occurs, it will be returned with the reply by calling OpenDeviceCookie.Reply()
 func OpenDevice(c *xgb.Conn, DeviceId byte) OpenDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'OpenDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(openDeviceRequest(c, DeviceId), cookie)
 	return OpenDeviceCookie{cookie}
@@ -4778,6 +4793,9 @@ func OpenDevice(c *xgb.Conn, DeviceId byte) OpenDeviceCookie {
 // OpenDeviceUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func OpenDeviceUnchecked(c *xgb.Conn, DeviceId byte) OpenDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'OpenDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(openDeviceRequest(c, DeviceId), cookie)
 	return OpenDeviceCookie{cookie}
@@ -4861,6 +4879,9 @@ type CloseDeviceCookie struct {
 // CloseDevice sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func CloseDevice(c *xgb.Conn, DeviceId byte) CloseDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'CloseDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(closeDeviceRequest(c, DeviceId), cookie)
 	return CloseDeviceCookie{cookie}
@@ -4869,6 +4890,9 @@ func CloseDevice(c *xgb.Conn, DeviceId byte) CloseDeviceCookie {
 // CloseDeviceChecked sends a checked request.
 // If an error occurs, it can be retrieved using CloseDeviceCookie.Check()
 func CloseDeviceChecked(c *xgb.Conn, DeviceId byte) CloseDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'CloseDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(closeDeviceRequest(c, DeviceId), cookie)
 	return CloseDeviceCookie{cookie}
@@ -4912,6 +4936,9 @@ type SetDeviceModeCookie struct {
 // SetDeviceMode sends a checked request.
 // If an error occurs, it will be returned with the reply by calling SetDeviceModeCookie.Reply()
 func SetDeviceMode(c *xgb.Conn, DeviceId byte, Mode byte) SetDeviceModeCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceMode' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(setDeviceModeRequest(c, DeviceId, Mode), cookie)
 	return SetDeviceModeCookie{cookie}
@@ -4920,6 +4947,9 @@ func SetDeviceMode(c *xgb.Conn, DeviceId byte, Mode byte) SetDeviceModeCookie {
 // SetDeviceModeUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetDeviceModeUnchecked(c *xgb.Conn, DeviceId byte, Mode byte) SetDeviceModeCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceMode' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(setDeviceModeRequest(c, DeviceId, Mode), cookie)
 	return SetDeviceModeCookie{cookie}
@@ -5002,6 +5032,9 @@ type SelectExtensionEventCookie struct {
 // SelectExtensionEvent sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SelectExtensionEvent(c *xgb.Conn, Window xproto.Window, NumClasses uint16, Classes []EventClass) SelectExtensionEventCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SelectExtensionEvent' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(selectExtensionEventRequest(c, Window, NumClasses, Classes), cookie)
 	return SelectExtensionEventCookie{cookie}
@@ -5010,6 +5043,9 @@ func SelectExtensionEvent(c *xgb.Conn, Window xproto.Window, NumClasses uint16,
 // SelectExtensionEventChecked sends a checked request.
 // If an error occurs, it can be retrieved using SelectExtensionEventCookie.Check()
 func SelectExtensionEventChecked(c *xgb.Conn, Window xproto.Window, NumClasses uint16, Classes []EventClass) SelectExtensionEventCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SelectExtensionEvent' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(selectExtensionEventRequest(c, Window, NumClasses, Classes), cookie)
 	return SelectExtensionEventCookie{cookie}
@@ -5062,6 +5098,9 @@ type GetSelectedExtensionEventsCookie struct {
 // GetSelectedExtensionEvents sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetSelectedExtensionEventsCookie.Reply()
 func GetSelectedExtensionEvents(c *xgb.Conn, Window xproto.Window) GetSelectedExtensionEventsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetSelectedExtensionEvents' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getSelectedExtensionEventsRequest(c, Window), cookie)
 	return GetSelectedExtensionEventsCookie{cookie}
@@ -5070,6 +5109,9 @@ func GetSelectedExtensionEvents(c *xgb.Conn, Window xproto.Window) GetSelectedEx
 // GetSelectedExtensionEventsUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetSelectedExtensionEventsUnchecked(c *xgb.Conn, Window xproto.Window) GetSelectedExtensionEventsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetSelectedExtensionEvents' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getSelectedExtensionEventsRequest(c, Window), cookie)
 	return GetSelectedExtensionEventsCookie{cookie}
@@ -5167,6 +5209,9 @@ type ChangeDeviceDontPropagateListCookie struct {
 // ChangeDeviceDontPropagateList sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeDeviceDontPropagateList(c *xgb.Conn, Window xproto.Window, NumClasses uint16, Mode byte, Classes []EventClass) ChangeDeviceDontPropagateListCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangeDeviceDontPropagateList' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeDeviceDontPropagateListRequest(c, Window, NumClasses, Mode, Classes), cookie)
 	return ChangeDeviceDontPropagateListCookie{cookie}
@@ -5175,6 +5220,9 @@ func ChangeDeviceDontPropagateList(c *xgb.Conn, Window xproto.Window, NumClasses
 // ChangeDeviceDontPropagateListChecked sends a checked request.
 // If an error occurs, it can be retrieved using ChangeDeviceDontPropagateListCookie.Check()
 func ChangeDeviceDontPropagateListChecked(c *xgb.Conn, Window xproto.Window, NumClasses uint16, Mode byte, Classes []EventClass) ChangeDeviceDontPropagateListCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangeDeviceDontPropagateList' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeDeviceDontPropagateListRequest(c, Window, NumClasses, Mode, Classes), cookie)
 	return ChangeDeviceDontPropagateListCookie{cookie}
@@ -5230,6 +5278,9 @@ type GetDeviceDontPropagateListCookie struct {
 // GetDeviceDontPropagateList sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceDontPropagateListCookie.Reply()
 func GetDeviceDontPropagateList(c *xgb.Conn, Window xproto.Window) GetDeviceDontPropagateListCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceDontPropagateList' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceDontPropagateListRequest(c, Window), cookie)
 	return GetDeviceDontPropagateListCookie{cookie}
@@ -5238,6 +5289,9 @@ func GetDeviceDontPropagateList(c *xgb.Conn, Window xproto.Window) GetDeviceDont
 // GetDeviceDontPropagateListUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceDontPropagateListUnchecked(c *xgb.Conn, Window xproto.Window) GetDeviceDontPropagateListCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceDontPropagateList' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceDontPropagateListRequest(c, Window), cookie)
 	return GetDeviceDontPropagateListCookie{cookie}
@@ -5323,6 +5377,9 @@ type GetDeviceMotionEventsCookie struct {
 // GetDeviceMotionEvents sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceMotionEventsCookie.Reply()
 func GetDeviceMotionEvents(c *xgb.Conn, Start xproto.Timestamp, Stop xproto.Timestamp, DeviceId byte) GetDeviceMotionEventsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceMotionEvents' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceMotionEventsRequest(c, Start, Stop, DeviceId), cookie)
 	return GetDeviceMotionEventsCookie{cookie}
@@ -5331,6 +5388,9 @@ func GetDeviceMotionEvents(c *xgb.Conn, Start xproto.Timestamp, Stop xproto.Time
 // GetDeviceMotionEventsUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceMotionEventsUnchecked(c *xgb.Conn, Start xproto.Timestamp, Stop xproto.Timestamp, DeviceId byte) GetDeviceMotionEventsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceMotionEvents' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceMotionEventsRequest(c, Start, Stop, DeviceId), cookie)
 	return GetDeviceMotionEventsCookie{cookie}
@@ -5422,6 +5482,9 @@ type ChangeKeyboardDeviceCookie struct {
 // ChangeKeyboardDevice sends a checked request.
 // If an error occurs, it will be returned with the reply by calling ChangeKeyboardDeviceCookie.Reply()
 func ChangeKeyboardDevice(c *xgb.Conn, DeviceId byte) ChangeKeyboardDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangeKeyboardDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(changeKeyboardDeviceRequest(c, DeviceId), cookie)
 	return ChangeKeyboardDeviceCookie{cookie}
@@ -5430,6 +5493,9 @@ func ChangeKeyboardDevice(c *xgb.Conn, DeviceId byte) ChangeKeyboardDeviceCookie
 // ChangeKeyboardDeviceUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeKeyboardDeviceUnchecked(c *xgb.Conn, DeviceId byte) ChangeKeyboardDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangeKeyboardDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(changeKeyboardDeviceRequest(c, DeviceId), cookie)
 	return ChangeKeyboardDeviceCookie{cookie}
@@ -5509,6 +5575,9 @@ type ChangePointerDeviceCookie struct {
 // ChangePointerDevice sends a checked request.
 // If an error occurs, it will be returned with the reply by calling ChangePointerDeviceCookie.Reply()
 func ChangePointerDevice(c *xgb.Conn, XAxis byte, YAxis byte, DeviceId byte) ChangePointerDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangePointerDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(changePointerDeviceRequest(c, XAxis, YAxis, DeviceId), cookie)
 	return ChangePointerDeviceCookie{cookie}
@@ -5517,6 +5586,9 @@ func ChangePointerDevice(c *xgb.Conn, XAxis byte, YAxis byte, DeviceId byte) Cha
 // ChangePointerDeviceUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangePointerDeviceUnchecked(c *xgb.Conn, XAxis byte, YAxis byte, DeviceId byte) ChangePointerDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangePointerDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(changePointerDeviceRequest(c, XAxis, YAxis, DeviceId), cookie)
 	return ChangePointerDeviceCookie{cookie}
@@ -5602,6 +5674,9 @@ type GrabDeviceCookie struct {
 // GrabDevice sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GrabDeviceCookie.Reply()
 func GrabDevice(c *xgb.Conn, GrabWindow xproto.Window, Time xproto.Timestamp, NumClasses uint16, ThisDeviceMode byte, OtherDeviceMode byte, OwnerEvents bool, DeviceId byte, Classes []EventClass) GrabDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GrabDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(grabDeviceRequest(c, GrabWindow, Time, NumClasses, ThisDeviceMode, OtherDeviceMode, OwnerEvents, DeviceId, Classes), cookie)
 	return GrabDeviceCookie{cookie}
@@ -5610,6 +5685,9 @@ func GrabDevice(c *xgb.Conn, GrabWindow xproto.Window, Time xproto.Timestamp, Nu
 // GrabDeviceUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabDeviceUnchecked(c *xgb.Conn, GrabWindow xproto.Window, Time xproto.Timestamp, NumClasses uint16, ThisDeviceMode byte, OtherDeviceMode byte, OwnerEvents bool, DeviceId byte, Classes []EventClass) GrabDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GrabDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(grabDeviceRequest(c, GrabWindow, Time, NumClasses, ThisDeviceMode, OtherDeviceMode, OwnerEvents, DeviceId, Classes), cookie)
 	return GrabDeviceCookie{cookie}
@@ -5717,6 +5795,9 @@ type UngrabDeviceCookie struct {
 // UngrabDevice sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabDevice(c *xgb.Conn, Time xproto.Timestamp, DeviceId byte) UngrabDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'UngrabDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabDeviceRequest(c, Time, DeviceId), cookie)
 	return UngrabDeviceCookie{cookie}
@@ -5725,6 +5806,9 @@ func UngrabDevice(c *xgb.Conn, Time xproto.Timestamp, DeviceId byte) UngrabDevic
 // UngrabDeviceChecked sends a checked request.
 // If an error occurs, it can be retrieved using UngrabDeviceCookie.Check()
 func UngrabDeviceChecked(c *xgb.Conn, Time xproto.Timestamp, DeviceId byte) UngrabDeviceCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'UngrabDevice' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabDeviceRequest(c, Time, DeviceId), cookie)
 	return UngrabDeviceCookie{cookie}
@@ -5769,6 +5853,9 @@ type GrabDeviceKeyCookie struct {
 // GrabDeviceKey sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabDeviceKey(c *xgb.Conn, GrabWindow xproto.Window, NumClasses uint16, Modifiers uint16, ModifierDevice byte, GrabbedDevice byte, Key byte, ThisDeviceMode byte, OtherDeviceMode byte, OwnerEvents bool, Classes []EventClass) GrabDeviceKeyCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GrabDeviceKey' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(grabDeviceKeyRequest(c, GrabWindow, NumClasses, Modifiers, ModifierDevice, GrabbedDevice, Key, ThisDeviceMode, OtherDeviceMode, OwnerEvents, Classes), cookie)
 	return GrabDeviceKeyCookie{cookie}
@@ -5777,6 +5864,9 @@ func GrabDeviceKey(c *xgb.Conn, GrabWindow xproto.Window, NumClasses uint16, Mod
 // GrabDeviceKeyChecked sends a checked request.
 // If an error occurs, it can be retrieved using GrabDeviceKeyCookie.Check()
 func GrabDeviceKeyChecked(c *xgb.Conn, GrabWindow xproto.Window, NumClasses uint16, Modifiers uint16, ModifierDevice byte, GrabbedDevice byte, Key byte, ThisDeviceMode byte, OtherDeviceMode byte, OwnerEvents bool, Classes []EventClass) GrabDeviceKeyCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GrabDeviceKey' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(grabDeviceKeyRequest(c, GrabWindow, NumClasses, Modifiers, ModifierDevice, GrabbedDevice, Key, ThisDeviceMode, OtherDeviceMode, OwnerEvents, Classes), cookie)
 	return GrabDeviceKeyCookie{cookie}
@@ -5854,6 +5944,9 @@ type UngrabDeviceKeyCookie struct {
 // UngrabDeviceKey sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabDeviceKey(c *xgb.Conn, GrabWindow xproto.Window, Modifiers uint16, ModifierDevice byte, Key byte, GrabbedDevice byte) UngrabDeviceKeyCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'UngrabDeviceKey' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabDeviceKeyRequest(c, GrabWindow, Modifiers, ModifierDevice, Key, GrabbedDevice), cookie)
 	return UngrabDeviceKeyCookie{cookie}
@@ -5862,6 +5955,9 @@ func UngrabDeviceKey(c *xgb.Conn, GrabWindow xproto.Window, Modifiers uint16, Mo
 // UngrabDeviceKeyChecked sends a checked request.
 // If an error occurs, it can be retrieved using UngrabDeviceKeyCookie.Check()
 func UngrabDeviceKeyChecked(c *xgb.Conn, GrabWindow xproto.Window, Modifiers uint16, ModifierDevice byte, Key byte, GrabbedDevice byte) UngrabDeviceKeyCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'UngrabDeviceKey' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabDeviceKeyRequest(c, GrabWindow, Modifiers, ModifierDevice, Key, GrabbedDevice), cookie)
 	return UngrabDeviceKeyCookie{cookie}
@@ -5915,6 +6011,9 @@ type GrabDeviceButtonCookie struct {
 // GrabDeviceButton sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GrabDeviceButton(c *xgb.Conn, GrabWindow xproto.Window, GrabbedDevice byte, ModifierDevice byte, NumClasses uint16, Modifiers uint16, ThisDeviceMode byte, OtherDeviceMode byte, Button byte, OwnerEvents byte, Classes []EventClass) GrabDeviceButtonCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GrabDeviceButton' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(grabDeviceButtonRequest(c, GrabWindow, GrabbedDevice, ModifierDevice, NumClasses, Modifiers, ThisDeviceMode, OtherDeviceMode, Button, OwnerEvents, Classes), cookie)
 	return GrabDeviceButtonCookie{cookie}
@@ -5923,6 +6022,9 @@ func GrabDeviceButton(c *xgb.Conn, GrabWindow xproto.Window, GrabbedDevice byte,
 // GrabDeviceButtonChecked sends a checked request.
 // If an error occurs, it can be retrieved using GrabDeviceButtonCookie.Check()
 func GrabDeviceButtonChecked(c *xgb.Conn, GrabWindow xproto.Window, GrabbedDevice byte, ModifierDevice byte, NumClasses uint16, Modifiers uint16, ThisDeviceMode byte, OtherDeviceMode byte, Button byte, OwnerEvents byte, Classes []EventClass) GrabDeviceButtonCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GrabDeviceButton' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(grabDeviceButtonRequest(c, GrabWindow, GrabbedDevice, ModifierDevice, NumClasses, Modifiers, ThisDeviceMode, OtherDeviceMode, Button, OwnerEvents, Classes), cookie)
 	return GrabDeviceButtonCookie{cookie}
@@ -5996,6 +6098,9 @@ type UngrabDeviceButtonCookie struct {
 // UngrabDeviceButton sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func UngrabDeviceButton(c *xgb.Conn, GrabWindow xproto.Window, Modifiers uint16, ModifierDevice byte, Button byte, GrabbedDevice byte) UngrabDeviceButtonCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'UngrabDeviceButton' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(ungrabDeviceButtonRequest(c, GrabWindow, Modifiers, ModifierDevice, Button, GrabbedDevice), cookie)
 	return UngrabDeviceButtonCookie{cookie}
@@ -6004,6 +6109,9 @@ func UngrabDeviceButton(c *xgb.Conn, GrabWindow xproto.Window, Modifiers uint16,
 // UngrabDeviceButtonChecked sends a checked request.
 // If an error occurs, it can be retrieved using UngrabDeviceButtonCookie.Check()
 func UngrabDeviceButtonChecked(c *xgb.Conn, GrabWindow xproto.Window, Modifiers uint16, ModifierDevice byte, Button byte, GrabbedDevice byte) UngrabDeviceButtonCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'UngrabDeviceButton' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(ungrabDeviceButtonRequest(c, GrabWindow, Modifiers, ModifierDevice, Button, GrabbedDevice), cookie)
 	return UngrabDeviceButtonCookie{cookie}
@@ -6057,6 +6165,9 @@ type AllowDeviceEventsCookie struct {
 // AllowDeviceEvents sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func AllowDeviceEvents(c *xgb.Conn, Time xproto.Timestamp, Mode byte, DeviceId byte) AllowDeviceEventsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'AllowDeviceEvents' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(allowDeviceEventsRequest(c, Time, Mode, DeviceId), cookie)
 	return AllowDeviceEventsCookie{cookie}
@@ -6065,6 +6176,9 @@ func AllowDeviceEvents(c *xgb.Conn, Time xproto.Timestamp, Mode byte, DeviceId b
 // AllowDeviceEventsChecked sends a checked request.
 // If an error occurs, it can be retrieved using AllowDeviceEventsCookie.Check()
 func AllowDeviceEventsChecked(c *xgb.Conn, Time xproto.Timestamp, Mode byte, DeviceId byte) AllowDeviceEventsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'AllowDeviceEvents' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(allowDeviceEventsRequest(c, Time, Mode, DeviceId), cookie)
 	return AllowDeviceEventsCookie{cookie}
@@ -6112,6 +6226,9 @@ type GetDeviceFocusCookie struct {
 // GetDeviceFocus sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceFocusCookie.Reply()
 func GetDeviceFocus(c *xgb.Conn, DeviceId byte) GetDeviceFocusCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceFocus' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceFocusRequest(c, DeviceId), cookie)
 	return GetDeviceFocusCookie{cookie}
@@ -6120,6 +6237,9 @@ func GetDeviceFocus(c *xgb.Conn, DeviceId byte) GetDeviceFocusCookie {
 // GetDeviceFocusUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceFocusUnchecked(c *xgb.Conn, DeviceId byte) GetDeviceFocusCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceFocus' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceFocusRequest(c, DeviceId), cookie)
 	return GetDeviceFocusCookie{cookie}
@@ -6207,6 +6327,9 @@ type SetDeviceFocusCookie struct {
 // SetDeviceFocus sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetDeviceFocus(c *xgb.Conn, Focus xproto.Window, Time xproto.Timestamp, RevertTo byte, DeviceId byte) SetDeviceFocusCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceFocus' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(setDeviceFocusRequest(c, Focus, Time, RevertTo, DeviceId), cookie)
 	return SetDeviceFocusCookie{cookie}
@@ -6215,6 +6338,9 @@ func SetDeviceFocus(c *xgb.Conn, Focus xproto.Window, Time xproto.Timestamp, Rev
 // SetDeviceFocusChecked sends a checked request.
 // If an error occurs, it can be retrieved using SetDeviceFocusCookie.Check()
 func SetDeviceFocusChecked(c *xgb.Conn, Focus xproto.Window, Time xproto.Timestamp, RevertTo byte, DeviceId byte) SetDeviceFocusCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceFocus' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(setDeviceFocusRequest(c, Focus, Time, RevertTo, DeviceId), cookie)
 	return SetDeviceFocusCookie{cookie}
@@ -6265,6 +6391,9 @@ type GetFeedbackControlCookie struct {
 // GetFeedbackControl sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetFeedbackControlCookie.Reply()
 func GetFeedbackControl(c *xgb.Conn, DeviceId byte) GetFeedbackControlCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetFeedbackControl' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getFeedbackControlRequest(c, DeviceId), cookie)
 	return GetFeedbackControlCookie{cookie}
@@ -6273,6 +6402,9 @@ func GetFeedbackControl(c *xgb.Conn, DeviceId byte) GetFeedbackControlCookie {
 // GetFeedbackControlUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetFeedbackControlUnchecked(c *xgb.Conn, DeviceId byte) GetFeedbackControlCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetFeedbackControl' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getFeedbackControlRequest(c, DeviceId), cookie)
 	return GetFeedbackControlCookie{cookie}
@@ -6352,6 +6484,9 @@ type GetDeviceKeyMappingCookie struct {
 // GetDeviceKeyMapping sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceKeyMappingCookie.Reply()
 func GetDeviceKeyMapping(c *xgb.Conn, DeviceId byte, FirstKeycode KeyCode, Count byte) GetDeviceKeyMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceKeyMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceKeyMappingRequest(c, DeviceId, FirstKeycode, Count), cookie)
 	return GetDeviceKeyMappingCookie{cookie}
@@ -6360,6 +6495,9 @@ func GetDeviceKeyMapping(c *xgb.Conn, DeviceId byte, FirstKeycode KeyCode, Count
 // GetDeviceKeyMappingUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceKeyMappingUnchecked(c *xgb.Conn, DeviceId byte, FirstKeycode KeyCode, Count byte) GetDeviceKeyMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceKeyMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceKeyMappingRequest(c, DeviceId, FirstKeycode, Count), cookie)
 	return GetDeviceKeyMappingCookie{cookie}
@@ -6451,6 +6589,9 @@ type ChangeDeviceKeyMappingCookie struct {
 // ChangeDeviceKeyMapping sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func ChangeDeviceKeyMapping(c *xgb.Conn, DeviceId byte, FirstKeycode KeyCode, KeysymsPerKeycode byte, KeycodeCount byte, Keysyms []xproto.Keysym) ChangeDeviceKeyMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangeDeviceKeyMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(changeDeviceKeyMappingRequest(c, DeviceId, FirstKeycode, KeysymsPerKeycode, KeycodeCount, Keysyms), cookie)
 	return ChangeDeviceKeyMappingCookie{cookie}
@@ -6459,6 +6600,9 @@ func ChangeDeviceKeyMapping(c *xgb.Conn, DeviceId byte, FirstKeycode KeyCode, Ke
 // ChangeDeviceKeyMappingChecked sends a checked request.
 // If an error occurs, it can be retrieved using ChangeDeviceKeyMappingCookie.Check()
 func ChangeDeviceKeyMappingChecked(c *xgb.Conn, DeviceId byte, FirstKeycode KeyCode, KeysymsPerKeycode byte, KeycodeCount byte, Keysyms []xproto.Keysym) ChangeDeviceKeyMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'ChangeDeviceKeyMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(changeDeviceKeyMappingRequest(c, DeviceId, FirstKeycode, KeysymsPerKeycode, KeycodeCount, Keysyms), cookie)
 	return ChangeDeviceKeyMappingCookie{cookie}
@@ -6515,6 +6659,9 @@ type GetDeviceModifierMappingCookie struct {
 // GetDeviceModifierMapping sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceModifierMappingCookie.Reply()
 func GetDeviceModifierMapping(c *xgb.Conn, DeviceId byte) GetDeviceModifierMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceModifierMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceModifierMappingRequest(c, DeviceId), cookie)
 	return GetDeviceModifierMappingCookie{cookie}
@@ -6523,6 +6670,9 @@ func GetDeviceModifierMapping(c *xgb.Conn, DeviceId byte) GetDeviceModifierMappi
 // GetDeviceModifierMappingUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceModifierMappingUnchecked(c *xgb.Conn, DeviceId byte) GetDeviceModifierMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceModifierMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceModifierMappingRequest(c, DeviceId), cookie)
 	return GetDeviceModifierMappingCookie{cookie}
@@ -6607,6 +6757,9 @@ type SetDeviceModifierMappingCookie struct {
 // SetDeviceModifierMapping sends a checked request.
 // If an error occurs, it will be returned with the reply by calling SetDeviceModifierMappingCookie.Reply()
 func SetDeviceModifierMapping(c *xgb.Conn, DeviceId byte, KeycodesPerModifier byte, Keymaps []byte) SetDeviceModifierMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceModifierMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(setDeviceModifierMappingRequest(c, DeviceId, KeycodesPerModifier, Keymaps), cookie)
 	return SetDeviceModifierMappingCookie{cookie}
@@ -6615,6 +6768,9 @@ func SetDeviceModifierMapping(c *xgb.Conn, DeviceId byte, KeycodesPerModifier by
 // SetDeviceModifierMappingUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetDeviceModifierMappingUnchecked(c *xgb.Conn, DeviceId byte, KeycodesPerModifier byte, Keymaps []byte) SetDeviceModifierMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceModifierMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(setDeviceModifierMappingRequest(c, DeviceId, KeycodesPerModifier, Keymaps), cookie)
 	return SetDeviceModifierMappingCookie{cookie}
@@ -6700,6 +6856,9 @@ type GetDeviceButtonMappingCookie struct {
 // GetDeviceButtonMapping sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceButtonMappingCookie.Reply()
 func GetDeviceButtonMapping(c *xgb.Conn, DeviceId byte) GetDeviceButtonMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceButtonMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceButtonMappingRequest(c, DeviceId), cookie)
 	return GetDeviceButtonMappingCookie{cookie}
@@ -6708,6 +6867,9 @@ func GetDeviceButtonMapping(c *xgb.Conn, DeviceId byte) GetDeviceButtonMappingCo
 // GetDeviceButtonMappingUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceButtonMappingUnchecked(c *xgb.Conn, DeviceId byte) GetDeviceButtonMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceButtonMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceButtonMappingRequest(c, DeviceId), cookie)
 	return GetDeviceButtonMappingCookie{cookie}
@@ -6792,6 +6954,9 @@ type SetDeviceButtonMappingCookie struct {
 // SetDeviceButtonMapping sends a checked request.
 // If an error occurs, it will be returned with the reply by calling SetDeviceButtonMappingCookie.Reply()
 func SetDeviceButtonMapping(c *xgb.Conn, DeviceId byte, MapSize byte, Map []byte) SetDeviceButtonMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceButtonMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(setDeviceButtonMappingRequest(c, DeviceId, MapSize, Map), cookie)
 	return SetDeviceButtonMappingCookie{cookie}
@@ -6800,6 +6965,9 @@ func SetDeviceButtonMapping(c *xgb.Conn, DeviceId byte, MapSize byte, Map []byte
 // SetDeviceButtonMappingUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetDeviceButtonMappingUnchecked(c *xgb.Conn, DeviceId byte, MapSize byte, Map []byte) SetDeviceButtonMappingCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceButtonMapping' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(setDeviceButtonMappingRequest(c, DeviceId, MapSize, Map), cookie)
 	return SetDeviceButtonMappingCookie{cookie}
@@ -6885,6 +7053,9 @@ type QueryDeviceStateCookie struct {
 // QueryDeviceState sends a checked request.
 // If an error occurs, it will be returned with the reply by calling QueryDeviceStateCookie.Reply()
 func QueryDeviceState(c *xgb.Conn, DeviceId byte) QueryDeviceStateCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'QueryDeviceState' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(queryDeviceStateRequest(c, DeviceId), cookie)
 	return QueryDeviceStateCookie{cookie}
@@ -6893,6 +7064,9 @@ func QueryDeviceState(c *xgb.Conn, DeviceId byte) QueryDeviceStateCookie {
 // QueryDeviceStateUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func QueryDeviceStateUnchecked(c *xgb.Conn, DeviceId byte) QueryDeviceStateCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'QueryDeviceState' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(queryDeviceStateRequest(c, DeviceId), cookie)
 	return QueryDeviceStateCookie{cookie}
@@ -6972,6 +7146,9 @@ type SendExtensionEventCookie struct {
 // SendExtensionEvent sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SendExtensionEvent(c *xgb.Conn, Destination xproto.Window, DeviceId byte, Propagate bool, NumClasses uint16, NumEvents byte, Events string, Classes []EventClass) SendExtensionEventCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SendExtensionEvent' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(sendExtensionEventRequest(c, Destination, DeviceId, Propagate, NumClasses, NumEvents, Events, Classes), cookie)
 	return SendExtensionEventCookie{cookie}
@@ -6980,6 +7157,9 @@ func SendExtensionEvent(c *xgb.Conn, Destination xproto.Window, DeviceId byte, P
 // SendExtensionEventChecked sends a checked request.
 // If an error occurs, it can be retrieved using SendExtensionEventCookie.Check()
 func SendExtensionEventChecked(c *xgb.Conn, Destination xproto.Window, DeviceId byte, Propagate bool, NumClasses uint16, NumEvents byte, Events string, Classes []EventClass) SendExtensionEventCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SendExtensionEvent' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(sendExtensionEventRequest(c, Destination, DeviceId, Propagate, NumClasses, NumEvents, Events, Classes), cookie)
 	return SendExtensionEventCookie{cookie}
@@ -7048,6 +7228,9 @@ type DeviceBellCookie struct {
 // DeviceBell sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func DeviceBell(c *xgb.Conn, DeviceId byte, FeedbackId byte, FeedbackClass byte, Percent int8) DeviceBellCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'DeviceBell' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, false)
 	c.NewRequest(deviceBellRequest(c, DeviceId, FeedbackId, FeedbackClass, Percent), cookie)
 	return DeviceBellCookie{cookie}
@@ -7056,6 +7239,9 @@ func DeviceBell(c *xgb.Conn, DeviceId byte, FeedbackId byte, FeedbackClass byte,
 // DeviceBellChecked sends a checked request.
 // If an error occurs, it can be retrieved using DeviceBellCookie.Check()
 func DeviceBellChecked(c *xgb.Conn, DeviceId byte, FeedbackId byte, FeedbackClass byte, Percent int8) DeviceBellCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'DeviceBell' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, false)
 	c.NewRequest(deviceBellRequest(c, DeviceId, FeedbackId, FeedbackClass, Percent), cookie)
 	return DeviceBellCookie{cookie}
@@ -7106,6 +7292,9 @@ type SetDeviceValuatorsCookie struct {
 // SetDeviceValuators sends a checked request.
 // If an error occurs, it will be returned with the reply by calling SetDeviceValuatorsCookie.Reply()
 func SetDeviceValuators(c *xgb.Conn, DeviceId byte, FirstValuator byte, NumValuators byte, Valuators []int32) SetDeviceValuatorsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceValuators' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(setDeviceValuatorsRequest(c, DeviceId, FirstValuator, NumValuators, Valuators), cookie)
 	return SetDeviceValuatorsCookie{cookie}
@@ -7114,6 +7303,9 @@ func SetDeviceValuators(c *xgb.Conn, DeviceId byte, FirstValuator byte, NumValua
 // SetDeviceValuatorsUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func SetDeviceValuatorsUnchecked(c *xgb.Conn, DeviceId byte, FirstValuator byte, NumValuators byte, Valuators []int32) SetDeviceValuatorsCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'SetDeviceValuators' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(setDeviceValuatorsRequest(c, DeviceId, FirstValuator, NumValuators, Valuators), cookie)
 	return SetDeviceValuatorsCookie{cookie}
@@ -7205,6 +7397,9 @@ type GetDeviceControlCookie struct {
 // GetDeviceControl sends a checked request.
 // If an error occurs, it will be returned with the reply by calling GetDeviceControlCookie.Reply()
 func GetDeviceControl(c *xgb.Conn, ControlId uint16, DeviceId byte) GetDeviceControlCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceControl' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(true, true)
 	c.NewRequest(getDeviceControlRequest(c, ControlId, DeviceId), cookie)
 	return GetDeviceControlCookie{cookie}
@@ -7213,6 +7408,9 @@ func GetDeviceControl(c *xgb.Conn, ControlId uint16, DeviceId byte) GetDeviceCon
 // GetDeviceControlUnchecked sends an unchecked request.
 // If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
 func GetDeviceControlUnchecked(c *xgb.Conn, ControlId uint16, DeviceId byte) GetDeviceControlCookie {
+	if _, ok := c.Extensions["XINPUTEXTENSION"]; !ok {
+		panic("Cannot issue request 'GetDeviceControl' using the uninitialized extension 'XInputExtension'. xinput.Init(connObj) must be called first.")
+	}
 	cookie := c.NewCookie(false, true)
 	c.NewRequest(getDeviceControlRequest(c, ControlId, DeviceId), cookie)
 	return GetDeviceControlCookie{cookie}