dmxinput.h

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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>
 *
 */

#ifndef DMXINPUT_H
#define DMXINPUT_H

#define DMX_MAX_SIGIO_FDS 4

struct _DMXInputInfo;

typedef enum {
    DMX_UPDATE_REALIZE,         
    DMX_UPDATE_UNREALIZE,       
    DMX_UPDATE_RESTACK,         
    DMX_UPDATE_COPY,            
    DMX_UPDATE_RESIZE,          
    DMX_UPDATE_REPARENT         
} DMXUpdateType;

typedef void (*ProcessInputEventsProc)(struct _DMXInputInfo *);
typedef void (*UpdateWindowInfoProc)(struct _DMXInputInfo *,
                                     DMXUpdateType, WindowPtr);

typedef struct _DMXLocalInputInfo *DMXLocalInputInfoPtr;

typedef enum {
    DMX_NOSIGIO = 0,            
    DMX_USESIGIO,               
    DMX_ACTIVESIGIO             
} dmxSigioState;

struct _DMXInputInfo {
    const char              *name; 
    Bool                    freename; 
    Bool                    detached; 
    int                     inputIdx; 
    int                     scrnIdx;  
    Bool                    core;  
    Bool                    console; 
    Bool                    windows; 
    ProcessInputEventsProc  processInputEvents;
    UpdateWindowInfoProc    updateWindowInfo;

                                /* Local input information */
    dmxSigioState           sigioState;    
    int                     sigioFdCount;  
    int                     sigioFd[DMX_MAX_SIGIO_FDS];    
    Bool                    sigioAdded[DMX_MAX_SIGIO_FDS]; 
    int                     vt_switch_pending;

    int                     vt_switched;

    int                     numDevs;

    DMXLocalInputInfoPtr    *devs;

    char                    *keycodes; 
    char                    *symbols;  
    char                    *geometry; 
};

extern int                  dmxNumInputs; 
extern DMXInputInfo         *dmxInputs;   
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 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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