1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*
* Just the functions to maintain a central event
* queue.
*/
#include <stdlib.h>
#include <string.h>
#include "BIF_mainqueue.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
typedef struct {
unsigned short event;
short val;
char ascii;
} QEvent;
static QEvent mainqueue[MAXQUEUE];
static unsigned int nevents= 0;
unsigned short mainqread(short *val, char *ascii)
{
if (nevents) {
nevents--;
*val= mainqueue[nevents].val;
*ascii= mainqueue[nevents].ascii;
if((*ascii<32)||(*ascii==127)) *ascii=0;
return mainqueue[nevents].event;
} else
return 0;
}
void mainqenter(unsigned short event, short val)
{
mainqenter_ext(event, val, 0);
}
void mainqenter_ext(unsigned short event, short val, char ascii)
{
if (!event)
return;
if (nevents<MAXQUEUE) {
memmove(mainqueue+1, mainqueue, sizeof(*mainqueue)*nevents);
mainqueue[0].event= event;
mainqueue[0].val= val;
mainqueue[0].ascii= ascii;
nevents++;
}
}
void mainqpushback(unsigned short event, short val, char ascii)
{
if (nevents<MAXQUEUE) {
mainqueue[nevents].event= event;
mainqueue[nevents].val= val;
mainqueue[nevents].ascii= ascii;
nevents++;
}
}
unsigned short mainqtest()
{
if (nevents)
return mainqueue[nevents-1].event;
else
return 0;
}
|