diff options
Diffstat (limited to 'nexgb/xfixes')
| -rw-r--r-- | nexgb/xfixes/xfixes.go | 164 |
1 files changed, 160 insertions, 4 deletions
diff --git a/nexgb/xfixes/xfixes.go b/nexgb/xfixes/xfixes.go index 94e96e1..0424585 100644 --- a/nexgb/xfixes/xfixes.go +++ b/nexgb/xfixes/xfixes.go @@ -85,6 +85,27 @@ func init() { xgb.NewExtErrorFuncs["XFIXES"][0] = BadRegionErrorNew } +type Barrier uint32 + +func NewBarrierId(c *xgb.Conn) (Barrier, error) { + id, err := c.NewId() + if err != nil { + return 0, err + } + return Barrier(id), nil +} + +const ( + BarrierDirectionsPositiveX = 1 + BarrierDirectionsPositiveY = 2 + BarrierDirectionsNegativeX = 4 + BarrierDirectionsNegativeY = 8 +) + +const ( + CursorNotifyDisplayCursor = 0 +) + // CursorNotify is the event number for a CursorNotifyEvent. const CursorNotify = 1 @@ -181,10 +202,6 @@ func init() { } const ( - CursorNotifyDisplayCursor = 0 -) - -const ( CursorNotifyMaskDisplayCursor = 1 ) @@ -601,6 +618,90 @@ func copyRegionRequest(c *xgb.Conn, Source Region, Destination Region) []byte { return buf } +// CreatePointerBarrierCookie is a cookie used only for CreatePointerBarrier requests. +type CreatePointerBarrierCookie struct { + *xgb.Cookie +} + +// CreatePointerBarrier sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func CreatePointerBarrier(c *xgb.Conn, Barrier Barrier, Window xproto.Window, X1 uint16, Y1 uint16, X2 uint16, Y2 uint16, Directions uint32, NumDevices uint16, Devices []uint16) CreatePointerBarrierCookie { + if _, ok := c.Extensions["XFIXES"]; !ok { + panic("Cannot issue request 'CreatePointerBarrier' using the uninitialized extension 'XFIXES'. xfixes.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, false) + c.NewRequest(createPointerBarrierRequest(c, Barrier, Window, X1, Y1, X2, Y2, Directions, NumDevices, Devices), cookie) + return CreatePointerBarrierCookie{cookie} +} + +// CreatePointerBarrierChecked sends a checked request. +// If an error occurs, it can be retrieved using CreatePointerBarrierCookie.Check() +func CreatePointerBarrierChecked(c *xgb.Conn, Barrier Barrier, Window xproto.Window, X1 uint16, Y1 uint16, X2 uint16, Y2 uint16, Directions uint32, NumDevices uint16, Devices []uint16) CreatePointerBarrierCookie { + if _, ok := c.Extensions["XFIXES"]; !ok { + panic("Cannot issue request 'CreatePointerBarrier' using the uninitialized extension 'XFIXES'. xfixes.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, false) + c.NewRequest(createPointerBarrierRequest(c, Barrier, Window, X1, Y1, X2, Y2, Directions, NumDevices, Devices), cookie) + return CreatePointerBarrierCookie{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 CreatePointerBarrierCookie) Check() error { + return cook.Cookie.Check() +} + +// Write request to wire for CreatePointerBarrier +// createPointerBarrierRequest writes a CreatePointerBarrier request to a byte slice. +func createPointerBarrierRequest(c *xgb.Conn, Barrier Barrier, Window xproto.Window, X1 uint16, Y1 uint16, X2 uint16, Y2 uint16, Directions uint32, NumDevices uint16, Devices []uint16) []byte { + size := xgb.Pad((28 + xgb.Pad((int(NumDevices) * 2)))) + b := 0 + buf := make([]byte, size) + + buf[b] = c.Extensions["XFIXES"] + b += 1 + + buf[b] = 31 // 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(Barrier)) + b += 4 + + xgb.Put32(buf[b:], uint32(Window)) + b += 4 + + xgb.Put16(buf[b:], X1) + b += 2 + + xgb.Put16(buf[b:], Y1) + b += 2 + + xgb.Put16(buf[b:], X2) + b += 2 + + xgb.Put16(buf[b:], Y2) + b += 2 + + xgb.Put32(buf[b:], Directions) + b += 4 + + b += 2 // padding + + xgb.Put16(buf[b:], NumDevices) + b += 2 + + for i := 0; i < int(NumDevices); i++ { + xgb.Put16(buf[b:], Devices[i]) + b += 2 + } + b = xgb.Pad(b) + + return buf +} + // CreateRegionCookie is a cookie used only for CreateRegion requests. type CreateRegionCookie struct { *xgb.Cookie @@ -895,6 +996,61 @@ func createRegionFromWindowRequest(c *xgb.Conn, Region Region, Window xproto.Win return buf } +// DeletePointerBarrierCookie is a cookie used only for DeletePointerBarrier requests. +type DeletePointerBarrierCookie struct { + *xgb.Cookie +} + +// DeletePointerBarrier sends an unchecked request. +// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent. +func DeletePointerBarrier(c *xgb.Conn, Barrier Barrier) DeletePointerBarrierCookie { + if _, ok := c.Extensions["XFIXES"]; !ok { + panic("Cannot issue request 'DeletePointerBarrier' using the uninitialized extension 'XFIXES'. xfixes.Init(connObj) must be called first.") + } + cookie := c.NewCookie(false, false) + c.NewRequest(deletePointerBarrierRequest(c, Barrier), cookie) + return DeletePointerBarrierCookie{cookie} +} + +// DeletePointerBarrierChecked sends a checked request. +// If an error occurs, it can be retrieved using DeletePointerBarrierCookie.Check() +func DeletePointerBarrierChecked(c *xgb.Conn, Barrier Barrier) DeletePointerBarrierCookie { + if _, ok := c.Extensions["XFIXES"]; !ok { + panic("Cannot issue request 'DeletePointerBarrier' using the uninitialized extension 'XFIXES'. xfixes.Init(connObj) must be called first.") + } + cookie := c.NewCookie(true, false) + c.NewRequest(deletePointerBarrierRequest(c, Barrier), cookie) + return DeletePointerBarrierCookie{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 DeletePointerBarrierCookie) Check() error { + return cook.Cookie.Check() +} + +// Write request to wire for DeletePointerBarrier +// deletePointerBarrierRequest writes a DeletePointerBarrier request to a byte slice. +func deletePointerBarrierRequest(c *xgb.Conn, Barrier Barrier) []byte { + size := 8 + b := 0 + buf := make([]byte, size) + + buf[b] = c.Extensions["XFIXES"] + b += 1 + + buf[b] = 32 // 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(Barrier)) + b += 4 + + return buf +} + // DestroyRegionCookie is a cookie used only for DestroyRegion requests. type DestroyRegionCookie struct { *xgb.Cookie |