| 1 | /*
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| 2 | * Copyright 2002 Red Hat Inc., Durham, North Carolina.
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| 3 | *
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| 4 | * All Rights Reserved.
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| 5 | *
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining
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| 7 | * a copy of this software and associated documentation files (the
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| 8 | * "Software"), to deal in the Software without restriction, including
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| 9 | * without limitation on the rights to use, copy, modify, merge,
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| 10 | * publish, distribute, sublicense, and/or sell copies of the Software,
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| 11 | * and to permit persons to whom the Software is furnished to do so,
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| 12 | * subject to the following conditions:
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| 13 | *
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| 14 | * The above copyright notice and this permission notice (including the
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| 15 | * next paragraph) shall be included in all copies or substantial
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| 16 | * portions of the Software.
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| 17 | *
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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| 22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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| 23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| 25 | * SOFTWARE.
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| 26 | */
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| 27 |
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| 28 | /*
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| 29 | * Authors:
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| 30 | * Rickard E. (Rik) Faith <[email protected]>
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| 31 | *
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| 32 | */
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| 33 |
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| 34 | /** \file
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| 35 | * Interface for low-level input support. \see dmxinputinit.c */
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| 36 |
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| 37 | #ifndef _DMXINPUTINIT_H_
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| 38 | #define _DMXINPUTINIT_H_
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| 39 |
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| 40 | #include "dmx.h"
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| 41 | #include "dmxinput.h"
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| 42 | #include "dmxlog.h"
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| 43 |
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| 44 | #define DMX_LOCAL_DEFAULT_KEYBOARD "kbd"
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| 45 | #define DMX_LOCAL_DEFAULT_POINTER "ps2"
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| 46 | #define DMX_MAX_BUTTONS 256
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| 47 | #define DMX_MOTION_SIZE 256
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| 48 | #define DMX_MAX_VALUATORS 32
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| 49 | #define DMX_MAX_AXES 32
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| 50 | #define DMX_MAX_XINPUT_EVENT_TYPES 100
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| 51 | #define DMX_MAP_ENTRIES 16 /* Must be a power of 2 */
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| 52 | #define DMX_MAP_MASK (DMX_MAP_ENTRIES - 1)
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| 53 |
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| 54 | typedef enum {
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| 55 | DMX_FUNCTION_GRAB,
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| 56 | DMX_FUNCTION_TERMINATE,
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| 57 | DMX_FUNCTION_FINE
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| 58 | } DMXFunctionType;
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| 59 |
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| 60 | typedef enum {
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| 61 | DMX_LOCAL_HIGHLEVEL,
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| 62 | DMX_LOCAL_KEYBOARD,
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| 63 | DMX_LOCAL_MOUSE,
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| 64 | DMX_LOCAL_OTHER
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| 65 | } DMXLocalInputType;
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| 66 |
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| 67 | typedef enum {
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| 68 | DMX_LOCAL_TYPE_LOCAL,
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| 69 | DMX_LOCAL_TYPE_CONSOLE,
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| 70 | DMX_LOCAL_TYPE_BACKEND,
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| 71 | DMX_LOCAL_TYPE_COMMON
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| 72 | } DMXLocalInputExtType;
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| 73 |
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| 74 | typedef enum {
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| 75 | DMX_RELATIVE,
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| 76 | DMX_ABSOLUTE,
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| 77 | DMX_ABSOLUTE_CONFINED
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| 78 | } DMXMotionType;
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| 79 |
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| 80 | /** Stores information from low-level device that is used to initialize
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| 81 | * the device at the dix level. */
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| 82 | typedef struct _DMXLocalInitInfo {
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| 83 | int keyboard; /**< Non-zero if the device is a keyboard */
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| 84 |
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| 85 | int keyClass; /**< Non-zero if keys are present */
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| 86 | KeySymsRec keySyms; /**< Key symbols */
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| 87 | int freemap; /**< If non-zero, free keySyms.map */
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| 88 | CARD8 modMap[MAP_LENGTH]; /**< Modifier map */
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| 89 | XkbDescPtr xkb; /**< XKB description */
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| 90 | XkbComponentNamesRec names; /**< XKB component names */
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| 91 | int freenames; /**< Non-zero if names should be free'd */
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| 92 | int force; /**< Do not allow command line override */
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| 93 |
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| 94 | int buttonClass; /**< Non-zero if buttons are present */
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| 95 | int numButtons; /**< Number of buttons */
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| 96 | unsigned char map[DMX_MAX_BUTTONS]; /**< Button map */
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| 97 |
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| 98 | int valuatorClass; /**< Non-zero if valuators are
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| 99 | * present */
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| 100 | int numRelAxes; /**< Number of relative axes */
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| 101 | int numAbsAxes; /**< Number of absolute axes */
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| 102 | int minval[DMX_MAX_AXES]; /**< Minimum values */
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| 103 | int maxval[DMX_MAX_AXES]; /**< Maximum values */
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| 104 | int res[DMX_MAX_AXES]; /**< Resolution */
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| 105 | int minres[DMX_MAX_AXES]; /**< Minimum resolutions */
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| 106 | int maxres[DMX_MAX_AXES]; /**< Maximum resolutions */
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| 107 |
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| 108 | int focusClass; /**< Non-zero if device can
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| 109 | * cause focus */
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| 110 | int proximityClass; /**< Non-zero if device
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| 111 | * causes proximity events */
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| 112 | int kbdFeedbackClass; /**< Non-zero if device has
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| 113 | * keyboard feedback */
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| 114 | int ptrFeedbackClass; /**< Non-zero if device has
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| 115 | * pointer feedback */
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| 116 | int ledFeedbackClass; /**< Non-zero if device has
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| 117 | * LED indicators */
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| 118 | int belFeedbackClass; /**< Non-zero if device has a
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| 119 | * bell */
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| 120 | int intFeedbackClass; /**< Non-zero if device has
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| 121 | * integer feedback */
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| 122 | int strFeedbackClass; /**< Non-zero if device has
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| 123 | * string feedback */
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| 124 |
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| 125 | int maxSymbols; /**< Maximum symbols */
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| 126 | int maxSymbolsSupported; /**< Maximum symbols supported */
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| 127 | KeySym *symbols; /**< Key symbols */
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| 128 | } DMXLocalInitInfo, *DMXLocalInitInfoPtr;
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| 129 |
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| 130 | typedef void *(*dmxCreatePrivateProcPtr) (DeviceIntPtr);
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| 131 | typedef void (*dmxDestroyPrivateProcPtr) (void *);
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| 132 |
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| 133 | typedef void (*dmxInitProcPtr) (DevicePtr);
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| 134 | typedef void (*dmxReInitProcPtr) (DevicePtr);
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| 135 | typedef void (*dmxLateReInitProcPtr) (DevicePtr);
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| 136 | typedef void (*dmxGetInfoProcPtr) (DevicePtr, DMXLocalInitInfoPtr);
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| 137 | typedef int (*dmxOnProcPtr) (DevicePtr);
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| 138 | typedef void (*dmxOffProcPtr) (DevicePtr);
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| 139 | typedef void (*dmxUpdatePositionProcPtr) (void *, int x, int y);
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| 140 |
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| 141 | typedef void (*dmxVTPreSwitchProcPtr) (void *); /* Turn I/O Off */
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| 142 | typedef void (*dmxVTPostSwitchProcPtr) (void *); /* Turn I/O On */
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| 143 | typedef void (*dmxVTSwitchReturnProcPtr) (void *);
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| 144 | typedef int (*dmxVTSwitchProcPtr) (void *, int vt,
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| 145 | dmxVTSwitchReturnProcPtr, void *);
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| 146 |
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| 147 | typedef void (*dmxMotionProcPtr) (DevicePtr,
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| 148 | int *valuators,
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| 149 | int firstAxis,
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| 150 | int axesCount,
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| 151 | DMXMotionType type, DMXBlockType block);
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| 152 | typedef void (*dmxEnqueueProcPtr) (DevicePtr, int type, int detail,
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| 153 | KeySym keySym, XEvent * e,
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| 154 | DMXBlockType block);
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| 155 | typedef int (*dmxCheckSpecialProcPtr) (DevicePtr, KeySym keySym);
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| 156 | typedef void (*dmxCollectEventsProcPtr) (DevicePtr,
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| 157 | dmxMotionProcPtr,
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| 158 | dmxEnqueueProcPtr,
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| 159 | dmxCheckSpecialProcPtr, DMXBlockType);
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| 160 | typedef void (*dmxProcessInputProcPtr) (void *);
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| 161 | typedef void (*dmxUpdateInfoProcPtr) (void *, DMXUpdateType, WindowPtr);
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| 162 | typedef int (*dmxFunctionsProcPtr) (void *, DMXFunctionType);
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| 163 |
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| 164 | typedef void (*dmxKBCtrlProcPtr) (DevicePtr, KeybdCtrl * ctrl);
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| 165 | typedef void (*dmxMCtrlProcPtr) (DevicePtr, PtrCtrl * ctrl);
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| 166 | typedef void (*dmxKBBellProcPtr) (DevicePtr, int percent,
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| 167 | int volume, int pitch, int duration);
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| 168 |
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| 169 | /** Stores a mapping between the device id on the remote X server and
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| 170 | * the id on the DMX server */
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| 171 | typedef struct _DMXEventMap {
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| 172 | int remote; /**< Event number on remote X server */
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| 173 | int server; /**< Event number (unbiased) on DMX server */
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| 174 | } DMXEventMap;
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| 175 |
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| 176 | /** This is the device-independent structure used by the low-level input
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| 177 | * routines. The contents are not exposed to top-level .c files (except
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| 178 | * dmxextensions.c). \see dmxinput.h \see dmxextensions.c */
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| 179 | typedef struct _DMXLocalInputInfo {
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| 180 | const char *name; /**< Device name */
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| 181 | DMXLocalInputType type; /**< Device type */
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| 182 | DMXLocalInputExtType extType; /**< Extended device type */
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| 183 | int binding; /**< Count of how many consecutive
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| 184 | * structs are bound to the same
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| 185 | * device */
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| 186 |
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| 187 | /* Low-level (e.g., keyboard/mouse drivers) */
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| 188 |
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| 189 | dmxCreatePrivateProcPtr create_private; /**< Create
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| 190 | * device-dependent
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| 191 | * private */
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| 192 | dmxDestroyPrivateProcPtr destroy_private; /**< Destroy
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| 193 | * device-dependent
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| 194 | * private */
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| 195 | dmxInitProcPtr init; /**< Initialize device */
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| 196 | dmxReInitProcPtr reinit; /**< Reinitialize device
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| 197 | * (during a
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| 198 | * reconfiguration) */
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| 199 | dmxLateReInitProcPtr latereinit; /**< Reinitialize a device
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| 200 | * (called very late
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| 201 | * during a
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| 202 | * reconfiguration) */
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| 203 | dmxGetInfoProcPtr get_info; /**< Get device information */
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| 204 | dmxOnProcPtr on; /**< Turn device on */
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| 205 | dmxOffProcPtr off; /**< Turn device off */
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| 206 | dmxUpdatePositionProcPtr update_position; /**< Called when another
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| 207 | * device updates the
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| 208 | * cursor position */
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| 209 | dmxVTPreSwitchProcPtr vt_pre_switch; /**< Called before a VT switch */
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| 210 | dmxVTPostSwitchProcPtr vt_post_switch; /**< Called after a VT switch */
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| 211 | dmxVTSwitchProcPtr vt_switch; /**< Causes a VT switch */
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| 212 |
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| 213 | dmxCollectEventsProcPtr collect_events; /**< Collect and enqueue
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| 214 | * events from the
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| 215 | * device*/
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| 216 | dmxProcessInputProcPtr process_input; /**< Process event (from
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| 217 | * queue) */
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| 218 | dmxFunctionsProcPtr functions;
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| 219 | dmxUpdateInfoProcPtr update_info; /**< Update window layout
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| 220 | * information */
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| 221 |
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| 222 | dmxMCtrlProcPtr mCtrl; /**< Pointer control */
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| 223 | dmxKBCtrlProcPtr kCtrl; /**< Keyboard control */
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| 224 | dmxKBBellProcPtr kBell; /**< Bell control */
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| 225 |
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| 226 | void *private; /**< Device-dependent private */
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| 227 | int isCore; /**< Is a DMX core device */
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| 228 | int sendsCore; /**< Sends DMX core events */
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| 229 | KeybdCtrl kctrl; /**< Keyboard control */
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| 230 | PtrCtrl mctrl; /**< Pointer control */
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| 231 |
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| 232 | DeviceIntPtr pDevice; /**< X-level device */
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| 233 | int inputIdx; /**< High-level index */
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| 234 | int lastX, lastY; /**< Last known position;
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| 235 | * for XInput in
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| 236 | * dmxevents.c */
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| 237 |
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| 238 | int head; /**< XInput motion history
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| 239 | * head */
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| 240 | int tail; /**< XInput motion history
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| 241 | * tail */
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| 242 | unsigned long *history; /**< XInput motion history */
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| 243 | int *valuators; /**< Cache of previous values */
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| 244 |
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| 245 | /* for XInput ChangePointerDevice */
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| 246 | int (*savedMotionProc) (DeviceIntPtr,
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| 247 | xTimecoord *,
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| 248 | unsigned long, unsigned long, ScreenPtr);
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| 249 | int savedMotionEvents; /**< Saved motion events */
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| 250 | int savedSendsCore; /**< Saved sends-core flag */
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| 251 |
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| 252 | DMXEventMap map[DMX_MAP_ENTRIES]; /**< XInput device id map */
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| 253 | int mapOptimize; /**< XInput device id
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| 254 | * map
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| 255 | * optimization */
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| 256 |
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| 257 | long deviceId; /**< device id on remote side,
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| 258 | * if any */
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| 259 | const char *deviceName; /**< devive name on remote
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| 260 | * side, if any */
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| 261 | } DMXLocalInputInfoRec;
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| 262 |
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| 263 | extern DMXLocalInputInfoPtr dmxLocalCorePointer, dmxLocalCoreKeyboard;
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| 264 |
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| 265 | extern void dmxLocalInitInput(DMXInputInfo * dmxInput);
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| 266 | extern DMXLocalInputInfoPtr dmxInputCopyLocal(DMXInputInfo * dmxInput,
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| 267 | DMXLocalInputInfoPtr s);
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| 268 |
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| 269 | extern void dmxChangePointerControl(DeviceIntPtr pDevice, PtrCtrl * ctrl);
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| 270 | extern void dmxKeyboardKbdCtrlProc(DeviceIntPtr pDevice, KeybdCtrl * ctrl);
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| 271 | extern void dmxKeyboardBellProc(int percent, DeviceIntPtr pDevice,
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| 272 | void *ctrl, int unknown);
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| 273 |
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| 274 | extern int dmxInputExtensionErrorHandler(Display * dsp, _Xconst char *name,
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| 275 | _Xconst char *reason);
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| 276 |
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| 277 | extern int dmxInputDetach(DMXInputInfo * dmxInput);
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| 278 | extern void dmxInputDetachAll(DMXScreenInfo * dmxScreen);
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| 279 | extern int dmxInputDetachId(int id);
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| 280 | extern DMXInputInfo *dmxInputLocateId(int id);
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| 281 | extern int dmxInputAttachConsole(const char *name, int isCore, int *id);
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| 282 | extern int dmxInputAttachBackend(int physicalScreen, int isCore, int *id);
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| 283 |
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| 284 | #endif
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