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[/] [or1k_old/] [trunk/] [mw/] [src/] [drivers/] [mou_null.c] - Blame information for rev 1782

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/*
 * Copyright (c) 1999 Greg Haerr <greg@censoft.com>
 *
 * NULL Mouse Driver
 */
#include <stdio.h>
#include "device.h"
 
#define SCALE           3       /* default scaling factor for acceleration */
#define THRESH          5       /* default threshhold for acceleration */
 
static int      NUL_Open(MOUSEDEVICE *pmd);
static void     NUL_Close(void);
static int      NUL_GetButtonInfo(void);
static void     NUL_GetDefaultAccel(int *pscale,int *pthresh);
static int      NUL_Read(MWCOORD *dx, MWCOORD *dy, MWCOORD *dz, int *bp);
static int      NUL_Poll(void);
 
MOUSEDEVICE mousedev = {
        NUL_Open,
        NUL_Close,
        NUL_GetButtonInfo,
        NUL_GetDefaultAccel,
        NUL_Read,
        NUL_Poll
};
 
/*
 * Poll for events
 */
 
static int
NUL_Poll(void)
{
  return 0;
}
 
/*
 * Open up the mouse device.
 */
static int
NUL_Open(MOUSEDEVICE *pmd)
{
        return -2;      /* no mouse*/
}
 
/*
 * Close the mouse device.
 */
static void
NUL_Close(void)
{
}
 
/*
 * Get mouse buttons supported
 */
static int
NUL_GetButtonInfo(void)
{
        return 0;
}
 
/*
 * Get default mouse acceleration settings
 */
static void
NUL_GetDefaultAccel(int *pscale,int *pthresh)
{
        *pscale = SCALE;
        *pthresh = THRESH;
}
 
/*
 * Attempt to read bytes from the mouse and interpret them.
 * Returns -1 on error, 0 if either no bytes were read or not enough
 * was read for a complete state, or 1 if the new state was read.
 * When a new state is read, the current buttons and x and y deltas
 * are returned.  This routine does not block.
 */
static int
NUL_Read(MWCOORD *dx, MWCOORD *dy, MWCOORD *dz, int *bp)
{
        return 0;
}

Line No.	Rev	Author	Line
1	673	markom	`/*`
2			`* Copyright (c) 1999 Greg Haerr <greg@censoft.com>`
3			`*`
4			`* NULL Mouse Driver`
5			`*/`
6			`#include <stdio.h>`
7			`#include "device.h"`
8
9			`#define SCALE 3 /* default scaling factor for acceleration */`
10			`#define THRESH 5 /* default threshhold for acceleration */`
11
12			`static int NUL_Open(MOUSEDEVICE *pmd);`
13			`static void NUL_Close(void);`
14			`static int NUL_GetButtonInfo(void);`
15			`static void NUL_GetDefaultAccel(int pscale,int pthresh);`
16			`static int NUL_Read(MWCOORD dx, MWCOORD dy, MWCOORD dz, int bp);`
17			`static int NUL_Poll(void);`
18
19			`MOUSEDEVICE mousedev = {`
20			`NUL_Open,`
21			`NUL_Close,`
22			`NUL_GetButtonInfo,`
23			`NUL_GetDefaultAccel,`
24			`NUL_Read,`
25			`NUL_Poll`
26			`};`
27
28			`/*`
29			`* Poll for events`
30			`*/`
31
32			`static int`
33			`NUL_Poll(void)`
34			`{`
35			`return 0;`
36			`}`
37
38			`/*`
39			`* Open up the mouse device.`
40			`*/`
41			`static int`
42			`NUL_Open(MOUSEDEVICE *pmd)`
43			`{`
44			`return -2; /* no mouse*/`
45			`}`
46
47			`/*`
48			`* Close the mouse device.`
49			`*/`
50			`static void`
51			`NUL_Close(void)`
52			`{`
53			`}`
54
55			`/*`
56			`* Get mouse buttons supported`
57			`*/`
58			`static int`
59			`NUL_GetButtonInfo(void)`
60			`{`
61			`return 0;`
62			`}`
63
64			`/*`
65			`* Get default mouse acceleration settings`
66			`*/`
67			`static void`
68			`NUL_GetDefaultAccel(int pscale,int pthresh)`
69			`{`
70			`*pscale = SCALE;`
71			`*pthresh = THRESH;`
72			`}`
73
74			`/*`
75			`* Attempt to read bytes from the mouse and interpret them.`
76			`* Returns -1 on error, 0 if either no bytes were read or not enough`
77			`* was read for a complete state, or 1 if the new state was read.`
78			`* When a new state is read, the current buttons and x and y deltas`
79			`* are returned. This routine does not block.`
80			`*/`
81			`static int`
82			`NUL_Read(MWCOORD dx, MWCOORD dy, MWCOORD dz, int bp)`
83			`{`
84			`return 0;`
85			`}`

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[/] [or1k_old/] [trunk/] [mw/] [src/] [drivers/] [mou_null.c] - Blame information for rev 1782