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/*
* Copyright 2001,2002 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* 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 on 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
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* 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.
*/
/*
* Authors:
* David H. Dawes <dawes@xfree86.org>
* Kevin E. Martin <kem@redhat.com>
* Rickard E. (Rik) Faith <faith@redhat.com>
*
*/
/** \file
* This file provides access to:
* - global variables available to all hw/dmx routines, and
* - enumerations and typedefs needed by input routines in hw/dmx (and
* hw/dmx/input).
*
* The goal is that no files in hw/dmx should include header files from
* hw/dmx/input -- the interface defined here should be the only
* interface exported to the hw/dmx layer. \see input/dmxinputinit.c.
*/
#ifndef DMXINPUT_H
#define DMXINPUT_H
/** Maximum number of file descriptors for SIGIO handling */
#define DMX_MAX_SIGIO_FDS 4
struct _DMXInputInfo;
/** Reason why window layout was updated. */
typedef enum {
DMX_UPDATE_REALIZE, /**< Window realized */
DMX_UPDATE_UNREALIZE, /**< Window unrealized */
DMX_UPDATE_RESTACK, /**< Stacking order changed */
DMX_UPDATE_COPY, /**< Window copied */
DMX_UPDATE_RESIZE, /**< Window resized */
DMX_UPDATE_REPARENT /**< Window reparented */
} DMXUpdateType;
typedef void (*ProcessInputEventsProc)(struct _DMXInputInfo *);
typedef void (*UpdateWindowInfoProc)(struct _DMXInputInfo *,
DMXUpdateType, WindowPtr);
/** An opaque structure that is only exposed in the dmx/input layer. */
typedef struct _DMXLocalInputInfo *DMXLocalInputInfoPtr;
/** State of the SIGIO engine */
typedef enum {
DMX_NOSIGIO = 0, /**< Device does not use SIGIO at all. */
DMX_USESIGIO, /**< Device can use SIGIO, but is not
* (e.g., because the VT is switch
* away). */
DMX_ACTIVESIGIO /**< Device is currently using SIGIO. */
} dmxSigioState;
/** DMXInputInfo is typedef'd in #dmx.h so that all routines can have
* access to the global pointers. However, the elements are only
* available to input-related routines. */
struct _DMXInputInfo {
const char *name; /**< Name of input display or device
* (from command line or config
* file) */
Bool freename; /**< If true, free name on destroy */
Bool detached; /**< If true, input screen is detached */
int inputIdx; /**< Index into #dmxInputs global */
int scrnIdx; /**< Index into #dmxScreens global */
Bool core; /**< If True, initialize these
* devices as devices that send core
* events */
Bool console; /**< True if console and backend
* input share the same backend
* display */
Bool windows; /**< True if window outlines are
* draw in console */
ProcessInputEventsProc processInputEvents;
UpdateWindowInfoProc updateWindowInfo;
/* Local input information */
dmxSigioState sigioState; /**< Current stat */
int sigioFdCount; /**< Number of fds in use */
int sigioFd[DMX_MAX_SIGIO_FDS]; /**< List of fds */
Bool sigioAdded[DMX_MAX_SIGIO_FDS]; /**< Active fds */
/** True if a VT switch is pending, but has not yet happened. */
int vt_switch_pending;
/** True if a VT switch has happened. */
int vt_switched;
/** Number of devices handled in this _DMXInputInfo structure. */
int numDevs;
/** List of actual input devices. Each _DMXInputInfo structure can
* refer to more than one device. For example, the keyboard and the
* pointer of a backend display; or all of the XInput extension
* devices on a backend display. */
DMXLocalInputInfoPtr *devs;
char *keycodes; /**< XKB keycodes from command line */
char *symbols; /**< XKB symbols from command line */
char *geometry; /**< XKB geometry from command line */
};
extern int dmxNumInputs; /**< Number of #dmxInputs */
extern DMXInputInfo *dmxInputs; /**< List of inputs */
extern void dmxInputInit(DMXInputInfo *dmxInput);
extern void dmxInputReInit(DMXInputInfo *dmxInput);
extern void dmxInputLateReInit(DMXInputInfo *dmxInput);
extern void dmxInputFree(DMXInputInfo *dmxInput);
extern void dmxInputLogDevices(void);
extern void dmxUpdateWindowInfo(DMXUpdateType type, WindowPtr pWindow);
/* These functions are defined in input/dmxeq.c */
extern Bool dmxeqInitialized(void);
extern void dmxeqEnqueue(DeviceIntPtr pDev, xEvent *e);
extern void dmxeqSwitchScreen(DeviceIntPtr pDev, ScreenPtr pScreen, Bool fromDIX);
/* This type is used in input/dmxevents.c. Also, these functions are
* defined in input/dmxevents.c */
typedef enum {
DMX_NO_BLOCK = 0,
DMX_BLOCK = 1
} DMXBlockType;
extern void dmxGetGlobalPosition(int *x, int *y);
extern DMXScreenInfo *dmxFindFirstScreen(int x, int y);
extern void dmxCoreMotion(DevicePtr pDev, int x, int y, int delta,
DMXBlockType block);
/* Support for dynamic addition of inputs. This functions is defined in
* config/dmxconfig.c */
extern DMXInputInfo *dmxConfigAddInput(const char *name, int core);
#endif /* DMXINPUT_H */
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