dmxinput.h

Go to the documentation of this file.

/*
 * 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 */