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[Qemu-devel] [PATCH] baum: Add support for typing ascii
From: |
Samuel Thibault |
Subject: |
[Qemu-devel] [PATCH] baum: Add support for typing ascii |
Date: |
Sun, 30 Aug 2015 16:21:52 +0200 |
User-agent: |
Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30) |
This adds support for typing ascii through the Baum Braille driver, by
translating it to braille with the NABCC table.
Signed-off-by: Samuel Thibault <address@hidden>
diff --git a/backends/baum.c b/backends/baum.c
index a69aaff..d486e68 100644
--- a/backends/baum.c
+++ b/backends/baum.c
@@ -1,7 +1,7 @@
/*
* QEMU Baum Braille Device
*
- * Copyright (c) 2008, 2015 Samuel Thibault
+ * Copyright (c) 2008, 2015 Samuel Thibault
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
deal
@@ -474,6 +474,13 @@ static void baum_send_key(BaumDriverState *baum, uint8_t
type, uint8_t value) {
baum_write_packet(baum, packet, sizeof(packet));
}
+/* Send the 2-byte key code to the other end */
+static void baum_send_key2(BaumDriverState *baum, uint8_t type, uint16_t
value) {
+ uint8_t packet[] = { type, value & 0xFF, value >> 8 };
+ DPRINTF("writing key %x %x\n", type, value);
+ baum_write_packet(baum, packet, sizeof(packet));
+}
+
/* We got some data on the BrlAPI socket */
static void baum_chr_read(void *opaque)
{
@@ -492,6 +499,14 @@ static void baum_chr_read(void *opaque)
baum_send_key(baum, BAUM_RSP_RoutingKey, (code &
BRLAPI_KEY_CMD_ARG_MASK)+1);
baum_send_key(baum, BAUM_RSP_RoutingKey, 0);
break;
+ case BRLAPI_KEY_CMD_PASSDOTS:
+ {
+ unsigned char dots = code & BRLAPI_KEY_CMD_ARG_MASK;
+ fprintf(stderr,"passdots %x\n", dots);
+ baum_send_key2(baum, BAUM_RSP_EntryKeys, dots << 8);
+ baum_send_key2(baum, BAUM_RSP_EntryKeys, 0);
+ break;
+ }
case 0:
switch (code & BRLAPI_KEY_CMD_ARG_MASK) {
case BRLAPI_KEY_CMD_FWINLT:
@@ -538,7 +553,27 @@ static void baum_chr_read(void *opaque)
}
break;
case BRLAPI_KEY_TYPE_SYM:
- break;
+ {
+ unsigned modifiers = ((code & BRLAPI_KEY_FLAGS_MASK) >>
BRLAPI_KEY_FLAGS_SHIFT) & 0xFF;
+ unsigned keysym = code & BRLAPI_KEY_CODE_MASK;
+ unsigned dots;
+ if (modifiers & ~1)
+ /* Unsupported */
+ break;
+ if (keysym <= ' ' || keysym > '~')
+ /* Unsupported */
+ break;
+ DPRINTF("keysym %x\n", keysym);
+ for (dots = 1; dots <= 0xFF; dots++)
+ if (nabcc_translation[dots] == keysym)
+ {
+ DPRINTF("dots %x\n", dots);
+ baum_send_key2(baum, BAUM_RSP_EntryKeys, dots << 8);
+ baum_send_key2(baum, BAUM_RSP_EntryKeys, 0);
+ break;
+ }
+ break;
+ }
}
}
if (ret == -1 && (brlapi_errno != BRLAPI_ERROR_LIBCERR || errno != EINTR))
{
- [Qemu-devel] [PATCH] baum: Add support for typing ascii,
Samuel Thibault <=