include: add XInternalEvent.
This is the event we want to feed into the EQ and process on the way through. Only applies for input events for now. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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Peter Hutterer
parent
10dcf3ed9c
commit
e7867d1254
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@ -57,7 +57,7 @@ sdk_HEADERS = \
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xkbrules.h \
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xserver-properties.h
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nodist_sdk_HEADERS = xorg-server.h
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nodist_sdk_HEADERS = xorg-server.h events.h
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endif
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AM_CFLAGS = $(DIX_CFLAGS)
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@ -0,0 +1,179 @@
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/*
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* Copyright © 2009 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef EVENTS_H
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#define EVENTS_H
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/**
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* @file This file describes the event structures used internally by the X
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* server during event generation and event processing.
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*
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* When are internal events used?
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* Events from input devices are stored as internal events in the EQ and
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* processed as internal events until late in the processing cycle. Only then
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* do they switch to their respective wire events.
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*/
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/**
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* Event types. Used exclusively internal to the server, not visible on the
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* protocol.
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*
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* Note: Keep KeyPress to Motion aligned with the core events.
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*/
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enum {
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ET_KeyPress = 2,
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ET_KeyRelease,
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ET_ButtonPress,
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ET_ButtonRelease,
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ET_Motion,
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ET_Enter,
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ET_Leave,
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ET_FocusIn,
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ET_FocusOut,
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ET_ProximityIn,
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ET_ProximityOut,
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ET_DeviceChanged,
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ET_Hierarchy,
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ET_Internal = 0xFF /* First byte */
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} EventType;
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/**
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* Device event, used for ALL input device events internal in the server until
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* copied into the matching protocol event.
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*
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* Note: We only use the device id because the DeviceIntPtr may become invalid while
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* the event is in the EQ.
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*
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* @header: Always ET_Internal
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* @type: One of EventType.
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* @length: Length in bytes.
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* @time: Time in ms.
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* @deviceid: Device to post this event for.
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* @sourceid: The physical source device.
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* @key: Keycode of the event
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* @button: Button number of the event.
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* @root_x: Position relative to root window in 16.16 fixed point
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* screen coordinates
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* @root_y: Position relative to root window in 16.16 fixed point
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* screen coordinates
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* @buttons: Button mask.
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* @valuators.mask: Valuator mask.
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* @valuators.mode: Valuator mode. Bit set for Absolute mode, unset for relative.
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* @valuators.data: Valuator data. Only set for valuators listed in @mask.
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* @mods.base: XKB Base modifiers
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* @mods.latched: XKB latched modifiers.
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* @mods.locked: XKB locked modifiers.
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* @group.base: XKB Base modifiers
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* @group.latched: XKB latched modifiers.
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* @group.locked: XKB locked modifiers.
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* @root: Root window of the event.
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* @corestate: Core key/button state BEFORE this event applied.
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*/
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typedef struct
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{
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unsigned char header;
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int type;
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int length;
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Time time;
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int deviceid;
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int sourceid;
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union {
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uint32_t button;
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uint32_t key;
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} detail;
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uint32_t root_x;
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uint32_t root_y;
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uint8_t buttons[(MAX_BUTTONS + 7)/8];
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struct {
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uint8_t mask[(MAX_VALUATORS + 7)/8];
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uint8_t mode[(MAX_VALUATORS + 7)/8];
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uint32_t data[MAX_VALUATORS];
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} valuators;
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struct {
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uint32_t base;
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uint32_t latched;
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uint32_t locked;
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} mods;
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struct {
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uint8_t base;
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uint8_t latched;
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uint8_t locked;
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} group;
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Window root;
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int corestate;
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} DeviceEvent;
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/* Flags used in DeviceChangedEvent to signal if new/old slave is present */
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#define HAS_OLD_SLAVE 0x1
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#define HAS_NEW_SLAVE 0x2
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/**
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* DeviceChangedEvent, sent whenever a device's capabilities have changed.
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*
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* @header: Always ET_Internal
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* @type: ET_DeviceChanged
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* @length: Length in bytes
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* @time: Time in ms.
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* @flags: Mask of HAS_OLD_SLAVE (if @old_slaveid specifies the previous
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* SD) and HAS_NEW_SLAVE (if @new_slaveid specifies the new SD).
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* @old_slaveid: Specifies the device previously attached to the MD.
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* @new_slaveid: Specifies the device now attached to the SD.
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*/
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typedef struct
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{
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unsigned char header;
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int type;
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int length;
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Time time;
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int flags;
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int old_slaveid;
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int new_slaveid;
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/* FIXME: add the new capabilities here */
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} DeviceChangedEvent;
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/**
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* InternalEvent, event type used inside the X server for input event
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* processing.
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*
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* @header: Always ET_Internal
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* @type: One of ET_*
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* @length: Length in bytes
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* @time: Time in ms.
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*/
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typedef struct
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{
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union {
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struct {
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unsigned char header;
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int type;
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int length;
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Time time;
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} any;
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DeviceEvent device;
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DeviceChangedEvent changed;
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} u;
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} InternalEvent;
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#endif
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@ -75,6 +75,7 @@ SOFTWARE.
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/* Maximum number of valuators, divided by six, rounded up, to get number
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* of events. */
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#define MAX_VALUATOR_EVENTS 6
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#define MAX_BUTTONS 256 /* completely arbitrarily chosen */
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#define NO_AXIS_LIMITS -1
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