161 lines
6.6 KiB
C
161 lines
6.6 KiB
C
/*
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* Copyright 2001,2002 Red Hat Inc., Durham, North Carolina.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Authors:
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* David H. Dawes <dawes@xfree86.org>
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* Kevin E. Martin <kem@redhat.com>
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* Rickard E. (Rik) Faith <faith@redhat.com>
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*
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*/
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/** \file
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* This file provides access to:
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* - global variables available to all hw/dmx routines, and
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* - enumerations and typedefs needed by input routines in hw/dmx (and
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* hw/dmx/input).
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*
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* The goal is that no files in hw/dmx should include header files from
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* hw/dmx/input -- the interface defined here should be the only
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* interface exported to the hw/dmx layer. \see input/dmxinputinit.c.
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*/
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#ifndef DMXINPUT_H
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#define DMXINPUT_H
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/** Maximum number of file descriptors for SIGIO handling */
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#define DMX_MAX_SIGIO_FDS 4
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struct _DMXInputInfo;
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/** Reason why window layout was updated. */
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typedef enum {
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DMX_UPDATE_REALIZE, /**< Window realized */
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DMX_UPDATE_UNREALIZE, /**< Window unrealized */
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DMX_UPDATE_RESTACK, /**< Stacking order changed */
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DMX_UPDATE_COPY, /**< Window copied */
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DMX_UPDATE_RESIZE, /**< Window resized */
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DMX_UPDATE_REPARENT /**< Window reparented */
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} DMXUpdateType;
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typedef void (*ProcessInputEventsProc)(struct _DMXInputInfo *);
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typedef void (*UpdateWindowInfoProc)(struct _DMXInputInfo *,
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DMXUpdateType, WindowPtr);
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/** An opaque structure that is only exposed in the dmx/input layer. */
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typedef struct _DMXLocalInputInfo *DMXLocalInputInfoPtr;
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/** State of the SIGIO engine */
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typedef enum {
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DMX_NOSIGIO = 0, /**< Device does not use SIGIO at all. */
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DMX_USESIGIO, /**< Device can use SIGIO, but is not
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* (e.g., because the VT is switch
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* away). */
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DMX_ACTIVESIGIO /**< Device is currently using SIGIO. */
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} dmxSigioState;
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/** DMXInputInfo is typedef'd in \a dmx.h so that all routines can have
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* access to the global pointers. However, the elements are only
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* available to input-related routines. */
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struct _DMXInputInfo {
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const char *name; /**< Name of input display or device
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* (from command line or config
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* file) */
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Bool freename; /**< If true, free name on destroy */
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Bool detached; /**< If true, input screen is detached */
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int inputIdx; /**< Index into #dmxInputs global */
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int scrnIdx; /**< Index into #dmxScreens global */
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Bool core; /**< If True, initialize these
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* devices as devices that send core
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* events */
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Bool console; /**< True if console and backend
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* input share the same backend
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* display */
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Bool windows; /**< True if window outlines are
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* draw in console */
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ProcessInputEventsProc processInputEvents;
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UpdateWindowInfoProc updateWindowInfo;
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/* Local input information */
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dmxSigioState sigioState; /**< Current stat */
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int sigioFdCount; /**< Number of fds in use */
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int sigioFd[DMX_MAX_SIGIO_FDS]; /**< List of fds */
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Bool sigioAdded[DMX_MAX_SIGIO_FDS]; /**< Active fds */
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/** True if a VT switch is pending, but has not yet happened. */
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int vt_switch_pending;
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/** True if a VT switch has happened. */
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int vt_switched;
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/** Number of devices handled in this _DMXInputInfo structure. */
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int numDevs;
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/** List of actual input devices. Each _DMXInputInfo structure can
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* refer to more than one device. For example, the keyboard and the
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* pointer of a backend display; or all of the XInput extension
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* devices on a backend display. */
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DMXLocalInputInfoPtr *devs;
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char *keycodes; /**< XKB keycodes from command line */
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char *symbols; /**< XKB symbols from command line */
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char *geometry; /**< XKB geometry from command line */
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};
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extern int dmxNumInputs; /**< Number of #dmxInputs */
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extern DMXInputInfo *dmxInputs; /**< List of inputs */
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extern void dmxInputInit(DMXInputInfo *dmxInput);
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extern void dmxInputReInit(DMXInputInfo *dmxInput);
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extern void dmxInputLateReInit(DMXInputInfo *dmxInput);
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extern void dmxInputFree(DMXInputInfo *dmxInput);
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extern void dmxInputLogDevices(void);
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extern void dmxUpdateWindowInfo(DMXUpdateType type, WindowPtr pWindow);
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/* These functions are defined in input/dmxeq.c */
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extern void dmxeqSwitchScreen(DeviceIntPtr pDev, ScreenPtr pScreen, Bool fromDIX);
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/* This type is used in input/dmxevents.c. Also, these functions are
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* defined in input/dmxevents.c */
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typedef enum {
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DMX_NO_BLOCK = 0,
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DMX_BLOCK = 1
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} DMXBlockType;
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extern void dmxGetGlobalPosition(int *x, int *y);
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extern DMXScreenInfo *dmxFindFirstScreen(int x, int y);
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extern void dmxCoreMotion(DevicePtr pDev, int x, int y, int delta,
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DMXBlockType block);
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/* Support for dynamic addition of inputs. This functions is defined in
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* config/dmxconfig.c */
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extern DMXInputInfo *dmxConfigAddInput(const char *name, int core);
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#endif /* DMXINPUT_H */
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