XI2proto.h
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/* * Copyright © 2009 Red Hat, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */ /* Conventions for this file: * Names: * structs: always typedef'd, prefixed with xXI, CamelCase * struct members: lower_case_with_underscores * Exceptions: reqType, ReqType, repType, RepType, sequenceNumber are * named as such for historical reasons. * request opcodes: X_XIRequestName as CamelCase * defines: defines used in client applications must go in XI2.h * defines used only in protocol handling: XISOMENAME * * Data types: unless there is a historical name for a datatype (e.g. * Window), use stdint types specifying the size of the datatype. * historical data type names must be defined and undefined at the top and * end of the file. * * General: * spaces, not tabs. * structs specific to a request or reply added before the request * definition. structs used in more than one request, reply or event * appended to the common structs section before the definition of the * first request. * members of structs vertically aligned on column 16 if datatypes permit. * otherwise aligned on next available 8n column. */ /** * Protocol definitions for the XI2 protocol. * This file should not be included by clients that merely use XI2, but do not * need the wire protocol. Such clients should include XI2.h, or the matching * header from the library. * */ #ifndef _XI2PROTO_H_ #define _XI2PROTO_H_ #include <X11/Xproto.h> #include <X11/X.h> #include <X11/extensions/XI2.h> #include <stdint.h> /* make sure types have right sizes for protocol structures. */ #define Window uint32_t #define Time uint32_t #define Atom uint32_t #define Cursor uint32_t #define Barrier uint32_t /** * XI2 Request opcodes */ #define X_XIQueryPointer 40 #define X_XIWarpPointer 41 #define X_XIChangeCursor 42 #define X_XIChangeHierarchy 43 #define X_XISetClientPointer 44 #define X_XIGetClientPointer 45 #define X_XISelectEvents 46 #define X_XIQueryVersion 47 #define X_XIQueryDevice 48 #define X_XISetFocus 49 #define X_XIGetFocus 50 #define X_XIGrabDevice 51 #define X_XIUngrabDevice 52 #define X_XIAllowEvents 53 #define X_XIPassiveGrabDevice 54 #define X_XIPassiveUngrabDevice 55 #define X_XIListProperties 56 #define X_XIChangeProperty 57 #define X_XIDeleteProperty 58 #define X_XIGetProperty 59 #define X_XIGetSelectedEvents 60 #define X_XIBarrierReleasePointer 61 /** Number of XI requests */ #define XI2REQUESTS (X_XIBarrierReleasePointer - X_XIQueryPointer + 1) /** Number of XI2 events */ #define XI2EVENTS (XI_LASTEVENT + 1) /************************************************************************************* * * * COMMON STRUCTS * * * *************************************************************************************/ /** Fixed point 16.16 */ typedef int32_t FP1616; /** Fixed point 32.32 */ typedef struct { int32_t integral; uint32_t frac; } FP3232; /** * Struct to describe a device. * * For a MasterPointer or a MasterKeyboard, 'attachment' specifies the * paired master device. * For a SlaveKeyboard or SlavePointer, 'attachment' specifies the master * device this device is attached to. * For a FloatingSlave, 'attachment' is undefined. */ typedef struct { uint16_t deviceid; uint16_t use; /**< ::XIMasterPointer, ::XIMasterKeyboard, ::XISlavePointer, ::XISlaveKeyboard, ::XIFloatingSlave */ uint16_t attachment; /**< Current attachment or pairing.*/ uint16_t num_classes; /**< Number of classes following this struct. */ uint16_t name_len; /**< Length of name in bytes. */ uint8_t enabled; /**< TRUE if device is enabled. */ uint8_t pad; } xXIDeviceInfo; /** * Default template for a device class. * A device class is equivalent to a device's capabilities. Multiple classes * are supported per device. */ typedef struct { uint16_t type; /**< One of *class */ uint16_t length; /**< Length in 4 byte units */ uint16_t sourceid; /**< source device for this class */ uint16_t pad; } xXIAnyInfo; /** * Denotes button capability on a device. * Struct is followed by a button bit-mask (padded to four byte chunks) and * then num_buttons * Atom that names the buttons in the device-native setup * (i.e. ignoring button mappings). */ typedef struct { uint16_t type; /**< Always ButtonClass */ uint16_t length; /**< Length in 4 byte units */ uint16_t sourceid; /**< source device for this class */ uint16_t num_buttons; /**< Number of buttons provided */ } xXIButtonInfo; /** * Denotes key capability on a device. * Struct is followed by num_keys * CARD32 that lists the keycodes available * on the device. */ typedef struct { uint16_t type; /**< Always KeyClass */ uint16_t length; /**< Length in 4 byte units */ uint16_t sourceid; /**< source device for this class */ uint16_t num_keycodes; /**< Number of keys provided */ } xXIKeyInfo; /** * Denotes an valuator capability on a device. * One XIValuatorInfo describes exactly one valuator (axis) on the device. */ typedef struct { uint16_t type; /**< Always ValuatorClass */ uint16_t length; /**< Length in 4 byte units */ uint16_t sourceid; /**< source device for this class */ uint16_t number; /**< Valuator number */ Atom label; /**< Axis label */ FP3232 min; /**< Min value */ FP3232 max; /**< Max value */ FP3232 value; /**< Last published value */ uint32_t resolution; /**< Resolutions in units/m */ uint8_t mode; /**< ModeRelative or ModeAbsolute */ uint8_t pad1; uint16_t pad2; } xXIValuatorInfo; /*** * Denotes a scroll valuator on a device. * One XIScrollInfo describes exactly one scroll valuator that must have a * XIValuatorInfo struct. */ typedef struct { uint16_t type; /**< Always ValuatorClass */ uint16_t length; /**< Length in 4 byte units */ uint16_t sourceid; /**< source device for this class */ uint16_t number; /**< Valuator number */ uint16_t scroll_type; /**< ::XIScrollTypeVertical, ::XIScrollTypeHorizontal */ uint16_t pad0; uint32_t flags; /**< ::XIScrollFlagEmulate, ::XIScrollFlagPreferred */ FP3232 increment; /**< Increment for one unit of scrolling */ } xXIScrollInfo; /** * Denotes multitouch capability on a device. */ typedef struct { uint16_t type; /**< Always TouchClass */ uint16_t length; /**< Length in 4 byte units */ uint16_t sourceid; /**< source device for this class */ uint8_t mode; /**< DirectTouch or DependentTouch */ uint8_t num_touches; /**< Maximum number of touches (0==unlimited) */ } xXITouchInfo; /** * Used to select for events on a given window. * Struct is followed by (mask_len * CARD8), with each bit set representing * the event mask for the given type. A mask bit represents an event type if * (mask == (1 << type)). */ typedef struct { uint16_t deviceid; /**< Device id to select for */ uint16_t mask_len; /**< Length of mask in 4 byte units */ } xXIEventMask; /** * XKB modifier information. * The effective modifier is a binary mask of base, latched, and locked * modifiers. */ typedef struct { uint32_t base_mods; /**< Logically pressed modifiers */ uint32_t latched_mods; /**< Logically latched modifiers */ uint32_t locked_mods; /**< Logically locked modifiers */ uint32_t effective_mods; /**< Effective modifiers */ } xXIModifierInfo; /** * XKB group information. * The effective group is the mathematical sum of base, latched, and locked * group after group wrapping is taken into account. */ typedef struct { uint8_t base_group; /**< Logically "pressed" group */ uint8_t latched_group; /**< Logically latched group */ uint8_t locked_group; /**< Logically locked group */ uint8_t effective_group; /**< Effective group */ } xXIGroupInfo; /************************************************************************************* * * * REQUESTS * * * *************************************************************************************/ /** * Query the server for the supported X Input extension version. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XIQueryVersion */ uint16_t length; /**< Length in 4 byte units */ uint16_t major_version; uint16_t minor_version; } xXIQueryVersionReq; #define sz_xXIQueryVersionReq 8 typedef struct { uint8_t repType; /**< ::X_Reply */ uint8_t RepType; /**< Always ::X_XIQueryVersion */ uint16_t sequenceNumber; uint32_t length; uint16_t major_version; uint16_t minor_version; uint32_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; } xXIQueryVersionReply; #define sz_xXIQueryVersionReply 32 /** * Query the server for information about a specific device or all input * devices. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XIQueryDevice */ uint16_t length; /**< Length in 4 byte units */ uint16_t deviceid; uint16_t pad; } xXIQueryDeviceReq; #define sz_xXIQueryDeviceReq 8 typedef struct { uint8_t repType; /**< ::X_Reply */ uint8_t RepType; /**< Always ::X_XIQueryDevice */ uint16_t sequenceNumber; uint32_t length; uint16_t num_devices; uint16_t pad0; uint32_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; } xXIQueryDeviceReply; #define sz_xXIQueryDeviceReply 32 /** * Select for events on a given window. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XISelectEvents */ uint16_t length; /**< Length in 4 byte units */ Window win; uint16_t num_masks; uint16_t pad; } xXISelectEventsReq; #define sz_xXISelectEventsReq 12 /** * Query for selected events on a given window. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XIGetSelectedEvents */ uint16_t length; /**< Length in 4 byte units */ Window win; } xXIGetSelectedEventsReq; #define sz_xXIGetSelectedEventsReq 8 typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always ::X_XIGetSelectedEvents */ uint16_t sequenceNumber; uint32_t length; uint16_t num_masks; /**< Number of xXIEventMask structs trailing the reply */ uint16_t pad0; uint32_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; } xXIGetSelectedEventsReply; #define sz_xXIGetSelectedEventsReply 32 /** * Query the given device's screen/window coordinates. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XIQueryPointer */ uint16_t length; /**< Length in 4 byte units */ Window win; uint16_t deviceid; uint16_t pad1; } xXIQueryPointerReq; #define sz_xXIQueryPointerReq 12 typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always ::X_XIQueryPointer */ uint16_t sequenceNumber; uint32_t length; Window root; Window child; FP1616 root_x; FP1616 root_y; FP1616 win_x; FP1616 win_y; uint8_t same_screen; uint8_t pad0; uint16_t buttons_len; xXIModifierInfo mods; xXIGroupInfo group; } xXIQueryPointerReply; #define sz_xXIQueryPointerReply 56 /** * Warp the given device's pointer to the specified position. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XIWarpPointer */ uint16_t length; /**< Length in 4 byte units */ Window src_win; Window dst_win; FP1616 src_x; FP1616 src_y; uint16_t src_width; uint16_t src_height; FP1616 dst_x; FP1616 dst_y; uint16_t deviceid; uint16_t pad1; } xXIWarpPointerReq; #define sz_xXIWarpPointerReq 36 /** * Change the given device's sprite to the given cursor. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XIChangeCursor */ uint16_t length; /**< Length in 4 byte units */ Window win; Cursor cursor; uint16_t deviceid; uint16_t pad1; } xXIChangeCursorReq; #define sz_xXIChangeCursorReq 16 /** * Modify the device hierarchy. */ typedef struct { uint8_t reqType; /**< Input extension major code */ uint8_t ReqType; /**< Always ::X_XIChangeHierarchy */ uint16_t length; /**< Length in 4 byte units */ uint8_t num_changes; uint8_t pad0; uint16_t pad1; } xXIChangeHierarchyReq; #define sz_xXIChangeHierarchyReq 8 /** * Generic header for any hierarchy change. */ typedef struct { uint16_t type; uint16_t length; /**< Length in 4 byte units */ } xXIAnyHierarchyChangeInfo; /** * Create a new master device. * Name of new master follows struct (4-byte padded) */ typedef struct { uint16_t type; /**< Always ::XIAddMaster */ uint16_t length; /**< 2 + (namelen + padding)/4 */ uint16_t name_len; uint8_t send_core; uint8_t enable; } xXIAddMasterInfo; /** * Delete a master device. Will automatically delete the master device paired * with the given master device. */ typedef struct { uint16_t type; /**< Always ::XIRemoveMaster */ uint16_t length; /**< 3 */ uint16_t deviceid; uint8_t return_mode; /**< ::XIAttachToMaster, ::XIFloating */ uint8_t pad; uint16_t return_pointer; /**< Pointer to attach slave ptr devices to */ uint16_t return_keyboard; /**< keyboard to attach slave keybd devices to*/ } xXIRemoveMasterInfo; /** * Attach an SD to a new device. * NewMaster has to be of same type (pointer->pointer, keyboard->keyboard); */ typedef struct { uint16_t type; /**< Always ::XIAttachSlave */ uint16_t length; /**< 2 */ uint16_t deviceid; uint16_t new_master; /**< id of new master device */ } xXIAttachSlaveInfo; /** * Detach an SD from its current master device. */ typedef struct { uint16_t type; /**< Always ::XIDetachSlave */ uint16_t length; /**< 2 */ uint16_t deviceid; uint16_t pad; } xXIDetachSlaveInfo; /** * Set the window/client's ClientPointer. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XISetClientPointer */ uint16_t length; /**< Length in 4 byte units */ Window win; uint16_t deviceid; uint16_t pad1; } xXISetClientPointerReq; #define sz_xXISetClientPointerReq 12 /** * Query the given window/client's ClientPointer setting. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_GetClientPointer */ uint16_t length; /**< Length in 4 byte units */ Window win; } xXIGetClientPointerReq; #define sz_xXIGetClientPointerReq 8 typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always ::X_GetClientPointer */ uint16_t sequenceNumber; uint32_t length; BOOL set; /**< client pointer is set? */ uint8_t pad0; uint16_t deviceid; uint32_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; } xXIGetClientPointerReply; #define sz_xXIGetClientPointerReply 32 /** * Set the input focus to the specified window. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XISetFocus */ uint16_t length; /**< Length in 4 byte units */ Window focus; Time time; uint16_t deviceid; uint16_t pad0; } xXISetFocusReq; #define sz_xXISetFocusReq 16 /** * Query the current input focus. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIGetDeviceFocus */ uint16_t length; /**< Length in 4 byte units */ uint16_t deviceid; uint16_t pad0; } xXIGetFocusReq; #define sz_xXIGetFocusReq 8 typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always ::X_XIGetFocus */ uint16_t sequenceNumber; uint32_t length; Window focus; uint32_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; } xXIGetFocusReply; #define sz_xXIGetFocusReply 32 /** * Grab the given device. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIGrabDevice */ uint16_t length; /**< Length in 4 byte units */ Window grab_window; Time time; Cursor cursor; uint16_t deviceid; uint8_t grab_mode; uint8_t paired_device_mode; uint8_t owner_events; uint8_t pad; uint16_t mask_len; } xXIGrabDeviceReq; #define sz_xXIGrabDeviceReq 24 /** * Return codes from a XIPassiveGrabDevice request. */ typedef struct { uint32_t modifiers; /**< Modifier state */ uint8_t status; /**< Grab status code */ uint8_t pad0; uint16_t pad1; } xXIGrabModifierInfo; typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always ::X_XIGrabDevice */ uint16_t sequenceNumber; uint32_t length; uint8_t status; uint8_t pad0; uint16_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; uint32_t pad6; } xXIGrabDeviceReply; #define sz_xXIGrabDeviceReply 32 /** * Ungrab the specified device. * */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIUngrabDevice */ uint16_t length; /**< Length in 4 byte units */ Time time; uint16_t deviceid; uint16_t pad; } xXIUngrabDeviceReq; #define sz_xXIUngrabDeviceReq 12 /** * Allow or replay events on the specified grabbed device. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIAllowEvents */ uint16_t length; /**< Length in 4 byte units */ Time time; uint16_t deviceid; uint8_t mode; uint8_t pad; } xXIAllowEventsReq; #define sz_xXIAllowEventsReq 12 /** * Allow or replay events on the specified grabbed device. * Since XI 2.2 */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIAllowEvents */ uint16_t length; /**< Length in 4 byte units */ Time time; uint16_t deviceid; uint8_t mode; uint8_t pad; uint32_t touchid; /**< Since XI 2.2 */ Window grab_window; /**< Since XI 2.2 */ } xXI2_2AllowEventsReq; #define sz_xXI2_2AllowEventsReq 20 /** * Passively grab the device. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIPassiveGrabDevice */ uint16_t length; /**< Length in 4 byte units */ Time time; Window grab_window; Cursor cursor; uint32_t detail; uint16_t deviceid; uint16_t num_modifiers; uint16_t mask_len; uint8_t grab_type; uint8_t grab_mode; uint8_t paired_device_mode; uint8_t owner_events; uint16_t pad1; } xXIPassiveGrabDeviceReq; #define sz_xXIPassiveGrabDeviceReq 32 typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always ::X_XIPassiveGrabDevice */ uint16_t sequenceNumber; uint32_t length; uint16_t num_modifiers; uint16_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; uint32_t pad6; } xXIPassiveGrabDeviceReply; #define sz_xXIPassiveGrabDeviceReply 32 /** * Delete a passive grab for the given device. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIPassiveUngrabDevice */ uint16_t length; /**< Length in 4 byte units */ Window grab_window; uint32_t detail; uint16_t deviceid; uint16_t num_modifiers; uint8_t grab_type; uint8_t pad0; uint16_t pad1; } xXIPassiveUngrabDeviceReq; #define sz_xXIPassiveUngrabDeviceReq 20 /** * List all device properties on the specified device. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIListProperties */ uint16_t length; /**< Length in 4 byte units */ uint16_t deviceid; uint16_t pad; } xXIListPropertiesReq; #define sz_xXIListPropertiesReq 8 typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always ::X_XIListProperties */ uint16_t sequenceNumber; uint32_t length; uint16_t num_properties; uint16_t pad0; uint32_t pad1; uint32_t pad2; uint32_t pad3; uint32_t pad4; uint32_t pad5; } xXIListPropertiesReply; #define sz_xXIListPropertiesReply 32 /** * Change a property on the specified device. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always ::X_XIChangeProperty */ uint16_t length; /**< Length in 4 byte units */ uint16_t deviceid; uint8_t mode; uint8_t format; Atom property; Atom type; uint32_t num_items; } xXIChangePropertyReq; #define sz_xXIChangePropertyReq 20 /** * Delete the specified property. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always X_XIDeleteProperty */ uint16_t length; /**< Length in 4 byte units */ uint16_t deviceid; uint16_t pad0; Atom property; } xXIDeletePropertyReq; #define sz_xXIDeletePropertyReq 12 /** * Query the specified property's values. */ typedef struct { uint8_t reqType; uint8_t ReqType; /**< Always X_XIGetProperty */ uint16_t length; /**< Length in 4 byte units */ uint16_t deviceid; #if defined(__cplusplus) || defined(c_plusplus) uint8_t c_delete; #else uint8_t delete; #endif uint8_t pad0; Atom property; Atom type; uint32_t offset; uint32_t len; } xXIGetPropertyReq; #define sz_xXIGetPropertyReq 24 typedef struct { uint8_t repType; /**< Input extension major opcode */ uint8_t RepType; /**< Always X_XIGetProperty */ uint16_t sequenceNumber; uint32_t length; Atom type; uint32_t bytes_after; uint32_t num_items; uint8_t format; uint8_t pad0; uint16_t pad1; uint32_t pad2; uint32_t pad3; } xXIGetPropertyReply; #define sz_xXIGetPropertyReply 32 typedef struct { uint16_t deviceid; uint16_t pad; Barrier barrier; uint32_t eventid; } xXIBarrierReleasePointerInfo; typedef struct { uint8_t reqType; /**< Input extension major opcode */ uint8_t ReqType; /**< Always X_XIBarrierReleasePointer */ uint16_t length; uint32_t num_barriers; /* array of xXIBarrierReleasePointerInfo */ } xXIBarrierReleasePointerReq; #define sz_xXIBarrierReleasePointerReq 8 /************************************************************************************* * * * EVENTS * * * *************************************************************************************/ /** * Generic XI2 event header. All XI2 events use the same header. */ typedef struct { uint8_t type; uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; uint16_t evtype; uint16_t deviceid; Time time; } xXIGenericDeviceEvent; /** * Device hierarchy information. */ typedef struct { uint16_t deviceid; uint16_t attachment; /**< ID of master or paired device */ uint8_t use; /**< ::XIMasterKeyboard, ::XIMasterPointer, ::XISlaveKeyboard, ::XISlavePointer, ::XIFloatingSlave */ BOOL enabled; /**< TRUE if the device is enabled */ uint16_t pad; uint32_t flags; /**< ::XIMasterAdded, ::XIMasterRemoved, ::XISlaveAttached, ::XISlaveDetached, ::XISlaveAdded, ::XISlaveRemoved, ::XIDeviceEnabled, ::XIDeviceDisabled */ } xXIHierarchyInfo; /** * The device hierarchy has been modified. This event includes the device * hierarchy after the modification has been applied. */ typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte units */ uint16_t evtype; /**< ::XI_Hierarchy */ uint16_t deviceid; Time time; uint32_t flags; /**< ::XIMasterAdded, ::XIMasterDeleted, ::XISlaveAttached, ::XISlaveDetached, ::XISlaveAdded, ::XISlaveRemoved, ::XIDeviceEnabled, ::XIDeviceDisabled */ uint16_t num_info; uint16_t pad0; uint32_t pad1; uint32_t pad2; } xXIHierarchyEvent; /** * A device has changed capabilities. */ typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte units */ uint16_t evtype; /**< XI_DeviceChanged */ uint16_t deviceid; /**< Device that has changed */ Time time; uint16_t num_classes; /**< Number of classes that have changed */ uint16_t sourceid; /**< Source of the new classes */ uint8_t reason; /**< ::XISlaveSwitch, ::XIDeviceChange */ uint8_t pad0; uint16_t pad1; uint32_t pad2; uint32_t pad3; } xXIDeviceChangedEvent; /** * The owner of a touch stream has passed on ownership to another client. */ typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte units */ uint16_t evtype; /**< XI_TouchOwnership */ uint16_t deviceid; /**< Device that has changed */ Time time; uint32_t touchid; Window root; Window event; Window child; /* └──────── 32 byte boundary ────────┘ */ uint16_t sourceid; uint16_t pad0; uint32_t flags; uint32_t pad1; uint32_t pad2; } xXITouchOwnershipEvent; /** * Default input event for pointer, keyboard or touch input. */ typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte uints */ uint16_t evtype; uint16_t deviceid; Time time; uint32_t detail; /**< Keycode or button */ Window root; Window event; Window child; /* └──────── 32 byte boundary ────────┘ */ FP1616 root_x; /**< Always screen coords, 16.16 fixed point */ FP1616 root_y; FP1616 event_x; /**< Always screen coords, 16.16 fixed point */ FP1616 event_y; uint16_t buttons_len; /**< Len of button flags in 4 b units */ uint16_t valuators_len; /**< Len of val. flags in 4 b units */ uint16_t sourceid; /**< The source device */ uint16_t pad0; uint32_t flags; /**< ::XIKeyRepeat */ xXIModifierInfo mods; xXIGroupInfo group; } xXIDeviceEvent; /** * Sent when an input event is generated. RawEvents include valuator * information in both device-specific data (i.e. unaccelerated) and * processed data (i.e. accelerated, if applicable). */ typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte uints */ uint16_t evtype; /**< ::XI_RawEvent */ uint16_t deviceid; Time time; uint32_t detail; uint16_t sourceid; /**< The source device (XI 2.1) */ uint16_t valuators_len; /**< Length of trailing valuator mask in 4 byte units */ uint32_t flags; /**< ::XIKeyRepeat */ uint32_t pad2; } xXIRawEvent; /** * Note that the layout of root, event, child, root_x, root_y, event_x, * event_y must be identical to the xXIDeviceEvent. */ typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte uints */ uint16_t evtype; /**< ::XI_Enter */ uint16_t deviceid; Time time; uint16_t sourceid; uint8_t mode; uint8_t detail; Window root; Window event; Window child; /* └──────── 32 byte boundary ────────┘ */ FP1616 root_x; FP1616 root_y; FP1616 event_x; FP1616 event_y; BOOL same_screen; BOOL focus; uint16_t buttons_len; /**< Length of trailing button mask in 4 byte units */ xXIModifierInfo mods; xXIGroupInfo group; } xXIEnterEvent; typedef xXIEnterEvent xXILeaveEvent; typedef xXIEnterEvent xXIFocusInEvent; typedef xXIEnterEvent xXIFocusOutEvent; /** * Sent when a device property is created, modified or deleted. Does not * include property data, the client is required to query the data. */ typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte units */ uint16_t evtype; /**< ::XI_PropertyEvent */ uint16_t deviceid; Time time; Atom property; uint8_t what; /**< ::XIPropertyDeleted, ::XIPropertyCreated, ::XIPropertyMotified */ uint8_t pad0; uint16_t pad1; uint32_t pad2; uint32_t pad3; } xXIPropertyEvent; typedef struct { uint8_t type; /**< Always GenericEvent */ uint8_t extension; /**< XI extension offset */ uint16_t sequenceNumber; uint32_t length; /**< Length in 4 byte units */ uint16_t evtype; /**< ::XI_BarrierHit or ::XI_BarrierLeave */ uint16_t deviceid; Time time; uint32_t eventid; Window root; Window event; Barrier barrier; /* └──────── 32 byte boundary ────────┘ */ uint32_t dtime; uint32_t flags; /**< ::XIBarrierPointerReleased ::XIBarrierDeviceIsGrabbed */ uint16_t sourceid; int16_t pad; FP1616 root_x; FP1616 root_y; FP3232 dx; FP3232 dy; } xXIBarrierEvent; typedef xXIBarrierEvent xXIBarrierHitEvent; typedef xXIBarrierEvent xXIBarrierPointerReleasedEvent; typedef xXIBarrierEvent xXIBarrierLeaveEvent; #undef Window #undef Time #undef Atom #undef Cursor #undef Barrier #endif /* _XI2PROTO_H_ */
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