xenocara/xserver/hw/xgl/egl/xeglinput.c
2006-11-26 18:13:41 +00:00

169 lines
3.6 KiB
C

#include "xgl.h"
#include "xegl.h"
KdOsFuncs *kdOsFuncs;
Bool kdEmulateMiddleButton;
Bool kdRawPointerCoordinates;
Bool kdDontZap;
Bool kdDisableZaphod;
int kdScreenPrivateIndex;
static char *
KdParseFindNext (char *cur, char *delim, char *save, char *last)
{
while (*cur && !strchr (delim, *cur))
{
*save++ = *cur++;
}
*save = 0;
*last = *cur;
if (*cur)
cur++;
return cur;
}
/*
* Mouse argument syntax:
*
* device,protocol,options...
*
* Options are any of:
* 1-5 n button mouse
* 2button emulate middle button
* {NMO} Reorder buttons
*/
char *
KdSaveString (char *str)
{
char *n = (char *) xalloc (strlen (str) + 1);
if (!n)
return 0;
strcpy (n, str);
return n;
}
/*
* Parse mouse information. Syntax:
*
* <device>,<nbutton>,<protocol>{,<option>}...
*
* options: {nmo} pointer mapping (e.g. {321})
* 2button emulate middle button
* 3button dont emulate middle button
*/
void
KdParseMouse (char *arg)
{
char save[1024];
char delim;
KdMouseInfo *mi;
int i;
mi = KdMouseInfoAdd ();
if (!mi)
return;
mi->name = 0;
mi->prot = 0;
mi->emulateMiddleButton = kdEmulateMiddleButton;
mi->transformCoordinates = !kdRawPointerCoordinates;
mi->nbutton = 3;
for (i = 0; i < KD_MAX_BUTTON; i++)
mi->map[i] = i + 1;
if (!arg)
return;
if (strlen (arg) >= sizeof (save))
return;
arg = KdParseFindNext (arg, ",", save, &delim);
if (!save[0])
return;
mi->name = KdSaveString (save);
if (delim != ',')
return;
arg = KdParseFindNext (arg, ",", save, &delim);
if (!save[0])
return;
if ('1' <= save[0] && save[0] <= '0' + KD_MAX_BUTTON && save[1] == '\0')
{
mi->nbutton = save[0] - '0';
if (mi->nbutton > KD_MAX_BUTTON)
{
UseMsg ();
return;
}
}
if (!delim != ',')
return;
arg = KdParseFindNext (arg, ",", save, &delim);
if (save[0])
mi->prot = KdSaveString (save);
while (delim == ',')
{
arg = KdParseFindNext (arg, ",", save, &delim);
if (save[0] == '{')
{
char *s = save + 1;
i = 0;
while (*s && *s != '}')
{
if ('1' <= *s && *s <= '0' + mi->nbutton)
mi->map[i] = *s - '0';
else
UseMsg ();
s++;
}
}
else if (!strcmp (save, "2button"))
mi->emulateMiddleButton = TRUE;
else if (!strcmp (save, "3button"))
mi->emulateMiddleButton = FALSE;
else if (!strcmp (save, "rawcoord"))
mi->transformCoordinates = FALSE;
else if (!strcmp (save, "transform"))
mi->transformCoordinates = TRUE;
else
UseMsg ();
}
}
KdMouseInfo *kdMouseInfo;
KdMouseInfo *
KdMouseInfoAdd (void)
{
KdMouseInfo *mi, **prev;
mi = (KdMouseInfo *) xalloc (sizeof (KdMouseInfo));
if (!mi)
return 0;
bzero (mi, sizeof (KdMouseInfo));
for (prev = &kdMouseInfo; *prev; prev = &(*prev)->next);
*prev = mi;
return mi;
}
void
KdMouseInfoDispose (KdMouseInfo *mi)
{
KdMouseInfo **prev;
for (prev = &kdMouseInfo; *prev; prev = &(*prev)->next)
if (*prev == mi)
{
*prev = mi->next;
if (mi->name)
xfree (mi->name);
if (mi->prot)
xfree (mi->prot);
xfree (mi);
break;
}
}