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Switch to using Apple II "Any Key Down"

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Using AKD gives rudimentary key up/down events.  Required for things
like MineCraft.
This commit is contained in:
dschmenk 2013-06-11 13:11:37 -07:00
parent ca001bda06
commit 52df696657
2 changed files with 51 additions and 20 deletions
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src/A2PI.PO
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src/a2pid.c
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@ -40,11 +40,15 @@ struct a2request {
/* /*
* ASCII to scancode conversion * ASCII to scancode conversion
*/ */
#define MOD_ALT 0x40 #define MOD_FN 0x80
#define MOD_CTRL 0x8000 #define MOD_CTRL 0x8000
#define MOD_SHIFT 0x4000 #define MOD_ALT 0x4000
#define MOD_SHIFT 0x2000
#define KEY_CODE 0x03FF
#define KEY_PRESS 0x80
#define KEY_ASCII 0x7F
int scancode[256] = { int keycode[256] = {
/* /*
* normal scancode * normal scancode
*/ */
@ -313,60 +317,85 @@ int accel[32] = { 0, 1, 4, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
volatile int stop = FALSE, isdaemon = FALSE; volatile int stop = FALSE, isdaemon = FALSE;
struct input_event evkey, evrelx, evrely, evsync; struct input_event evkey, evrelx, evrely, evsync;
void sendkey(int fd, int mod, int key) void sendkeycodedown(int fd, int code)
{ {
int code = scancode[(mod & 0x80) | (key & 0x7F)];
/* /*
* press keys * press keys
*/ */
if (mod & MOD_ALT) evkey.value = 1;
if (code & MOD_ALT)
{ {
evkey.code = KEY_LEFTALT; evkey.code = KEY_LEFTALT;
evkey.value = 1;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
} }
if (code & MOD_CTRL) if (code & MOD_CTRL)
{ {
evkey.code = KEY_LEFTCTRL; evkey.code = KEY_LEFTCTRL;
evkey.value = 1;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
} }
if (code & MOD_SHIFT) if (code & MOD_SHIFT)
{ {
evkey.code = KEY_LEFTSHIFT; evkey.code = KEY_LEFTSHIFT;
evkey.value = 1;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
} }
evkey.code = code & 0x3FF; evkey.code = code & KEY_CODE;
evkey.value = 1;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
write(fd, &evsync, sizeof(evsync)); write(fd, &evsync, sizeof(evsync));
}
void sendkeycodeup(int fd, int code)
{
/* /*
* release keys * release keys
*/ */
evkey.code = code & 0x3FF; evkey.code = code & KEY_CODE;
evkey.value = 0; evkey.value = 0;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
if (code & MOD_SHIFT) if (code & MOD_SHIFT)
{ {
evkey.code = KEY_LEFTSHIFT; evkey.code = KEY_LEFTSHIFT;
evkey.value = 0;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
} }
if (code & MOD_CTRL) if (code & MOD_CTRL)
{ {
evkey.code = KEY_LEFTCTRL; evkey.code = KEY_LEFTCTRL;
evkey.value = 0;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
} }
if (mod & MOD_ALT) if (code & MOD_ALT)
{ {
evkey.code = KEY_LEFTALT; evkey.code = KEY_LEFTALT;
evkey.value = 0;
write(fd, &evkey, sizeof(evkey)); write(fd, &evkey, sizeof(evkey));
} }
write(fd, &evsync, sizeof(evsync)); write(fd, &evsync, sizeof(evsync));
} }
void sendkey(int fd, int mod, int key)
{
static int prevcode = -1;
int code = keycode[(mod & MOD_FN) | (key & KEY_ASCII)]
| ((mod << 8) & MOD_ALT);
if (prevcode >= 0)
{
sendkeycodeup(fd, prevcode);
if (!(key & KEY_PRESS) && ((code & KEY_CODE) != (prevcode & KEY_CODE)))
/*
* missed a key down event
* synthesize one
*/
sendkeycodedown(fd, code);
(key & KEY_PRESS) ? sendkeycodedown(fd, code) : sendkeycodeup(fd, code);
}
else
{
sendkeycodedown(fd, code);
if (!(key & KEY_PRESS))
/*
* missed a key down event
* already synthesized one
*/
sendkeycodeup(fd, code);
}
prevcode = (key & KEY_PRESS) ? code : -1;
}
void sendbttn(int fd, int mod, int bttn) void sendbttn(int fd, int mod, int bttn)
{ {
static int lastbtn = 0; static int lastbtn = 0;
@ -555,6 +584,8 @@ void main(int argc, char **argv)
die("error: uinput open"); die("error: uinput open");
if (ioctl(kbdfd, UI_SET_EVBIT, EV_KEY) < 0) if (ioctl(kbdfd, UI_SET_EVBIT, EV_KEY) < 0)
die("error: uinput ioctl EV_KEY"); die("error: uinput ioctl EV_KEY");
if (ioctl(kbdfd, UI_SET_EVBIT, EV_REP) < 0)
die("error: uinput ioctl EV_REP");
for (i = KEY_ESC; i <= KEY_F10; i++) for (i = KEY_ESC; i <= KEY_F10; i++)
if (ioctl(kbdfd, UI_SET_KEYBIT, i) < 0) if (ioctl(kbdfd, UI_SET_KEYBIT, i) < 0)
die("error: uinput ioctl SET_KEYBITs"); die("error: uinput ioctl SET_KEYBITs");
@ -685,7 +716,7 @@ void main(int argc, char **argv)
{ {
if (read(a2fd, iopkt, 3) == 3) if (read(a2fd, iopkt, 3) == 3)
{ {
//printf("a2pi: Event [0x%02X] [0x%02X] [0x%02X]\n", iopkt[0], iopkt[1], iopkt[2]); // printf("a2pi: Event [0x%02X] [0x%02X] [0x%02X]\n", iopkt[0], iopkt[1], iopkt[2]);
switch (iopkt[0]) switch (iopkt[0])
{ {
case 0x80: /* sync */ case 0x80: /* sync */