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keyboard: continue the implementation; add shifting support

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Matheus
2022-09-22 14:37:27 -03:00
parent 1147937837
commit 7fc34a2e66
3 changed files with 278 additions and 3 deletions
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src/sys/keyboard.c
+67
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@@ -4,10 +4,77 @@
#define MAX_KEYBOARD_COUNT 32
// XXX this maybe should be strings rather than chars, as
// some keys are sent to the applications in escape sequences
static char asciitable[] = {
0, '\033', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', 0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0, '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '4', '1', '2', '3', '0', '.', 0, 0, 0, 0, 0
};
static char asciitableupper[] = {
0, '\033', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', '\b', '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', 0, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '\"', '~', 0, '|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '4', '1', '2', '3', '0', '.', 0, 0, 0, 0, 0
};
static uint32_t kblist;
static keyboard_t keyboards[MAX_KEYBOARD_COUNT];
void keyboard_packet(int kb, kbpacket_t packet){
switch(packet.keycode){
case KEYCODE_LEFTCTRL:
if(packet.flags & KBPACKET_FLAGS_RELEASED)
keyboards[kb].flags &= ~KBPACKET_FLAGS_LEFTCTRL;
else
keyboards[kb].flags |= KBPACKET_FLAGS_LEFTCTRL;
break;
case KEYCODE_RIGHTCTRL:
if(packet.flags & KBPACKET_FLAGS_RELEASED)
keyboards[kb].flags &= ~KBPACKET_FLAGS_RIGHTCTRL;
else
keyboards[kb].flags |= KBPACKET_FLAGS_RIGHTCTRL;
break;
case KEYCODE_CAPSLOCK:
if(packet.flags & KBPACKET_FLAGS_RELEASED)
keyboards[kb].flags &= ~KBPACKET_FLAGS_CAPSLOCK;
else
keyboards[kb].flags |= KBPACKET_FLAGS_CAPSLOCK;
break;
case KEYCODE_LEFTALT:
if(packet.flags & KBPACKET_FLAGS_RELEASED)
keyboards[kb].flags &= ~KBPACKET_FLAGS_LEFTALT;
else
keyboards[kb].flags |= KBPACKET_FLAGS_LEFTALT;
break;
case KEYCODE_RIGHTALT:
if(packet.flags & KBPACKET_FLAGS_RELEASED)
keyboards[kb].flags &= ~KBPACKET_FLAGS_RIGHTALT;
else
keyboards[kb].flags |= KBPACKET_FLAGS_RIGHTALT;
break;
case KEYCODE_LEFTSHIFT:
if(packet.flags & KBPACKET_FLAGS_RELEASED)
keyboards[kb].flags &= ~KBPACKET_FLAGS_LEFTSHIFT;
else
keyboards[kb].flags |= KBPACKET_FLAGS_LEFTSHIFT;
break;
case KEYCODE_RIGHTSHIFT:
if(packet.flags & KBPACKET_FLAGS_RELEASED)
keyboards[kb].flags &= ~KBPACKET_FLAGS_RIGHTSHIFT;
else
keyboards[kb].flags |= KBPACKET_FLAGS_RIGHTSHIFT;
break;
}
packet.flags |= keyboards[kb].flags;
char* table = asciitable;
if( (packet.flags & KBPACKET_FLAGS_LEFTSHIFT) ||
(packet.flags & KBPACKET_FLAGS_RIGHTSHIFT))
table = asciitableupper;
packet.ascii = table[packet.keycode];
ringbuffer_write(&keyboards[kb].buffer, &packet, sizeof(kbpacket_t));
event_signal(&keyboards[kb].event, false);
}