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(w32_read_socket) <WM_CHAR>: Decode characters outside

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the unicode range available in MULE by locale-coding-system.
Improve dbcs lead byte detection. Set event timestamp and modifiers
earlier.
This commit is contained in:
Jason Rumney 2008-01-17 11:38:45 +00:00
parent eddedb1594
commit 602e142f5c
2 changed files with 75 additions and 18 deletions
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7
src/ChangeLog
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@ -1,3 +1,10 @@
2008-01-17 Jason Rumney <jasonr@gnu.org>
* w32term.c (w32_read_socket) <WM_CHAR>: Decode characters outside
the unicode range available in MULE by locale-coding-system.
Improve dbcs lead byte detection. Set event timestamp and modifiers
earlier.
2008-01-17 Glenn Morris <rgm@gnu.org>
* m/ibms390x.h (START_FILES, LIB_STANDARD): Adjust value according

86
src/w32term.c
View file

@ -4290,6 +4290,10 @@ w32_read_socket (sd, expected, hold_quit)
temp_index = 0;
temp_buffer[temp_index++] = msg.msg.wParam;
inev.modifiers = msg.dwModifiers;
XSETFRAME (inev.frame_or_window, f);
inev.timestamp = msg.msg.time;
if (msg.msg.wParam < 128 && !dbcs_lead)
{
inev.kind = ASCII_KEYSTROKE_EVENT;
@ -4298,20 +4302,14 @@ w32_read_socket (sd, expected, hold_quit)
else if (msg.msg.wParam < 256)
{
wchar_t code;
char dbcs[2];
inev.kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT;
dbcs[0] = 0;
dbcs[1] = (char) msg.msg.wParam;
if (IsDBCSLeadByteEx(CP_ACP, (BYTE) msg.msg.wParam))
if (dbcs_lead)
{
dbcs_lead = (char) msg.msg.wParam;
inev.kind = NO_EVENT;
break;
}
else if (dbcs_lead)
{
char dbcs[2];
dbcs[0] = dbcs_lead;
dbcs[1] = (char) msg.msg.wParam;
dbcs_lead = 0;
if (!MultiByteToWideChar(CP_ACP, 0, dbcs, 2, &code, 1))
{
@ -4322,14 +4320,19 @@ w32_read_socket (sd, expected, hold_quit)
break;
}
}
else if (IsDBCSLeadByteEx(CP_ACP, (BYTE) msg.msg.wParam))
{
dbcs_lead = (char) msg.msg.wParam;
inev.kind = NO_EVENT;
break;
}
else
{
char single_byte = (char) msg.msg.wParam;
if (!MultiByteToWideChar(CP_ACP, 0, &single_byte, 1,
if (!MultiByteToWideChar(CP_ACP, 0, &dbcs[1], 1,
&code, 1))
{
/* What to do with garbage? */
DebPrint (("Invalid character: %d\n", single_byte));
DebPrint (("Invalid character: %d\n", dbcs[1]));
inev.kind = NO_EVENT;
break;
}
@ -4355,17 +4358,67 @@ w32_read_socket (sd, expected, hold_quit)
charset_id = charset_mule_unicode_0100_24ff;
code -= 0x100;
}
else if (code < 0xE000)
else if (code < 0x3400)
{
charset_id = charset_mule_unicode_2500_33ff;
code -= 0x2500;
}
else
else if (code >= 0xE000)
{
charset_id = charset_mule_unicode_e000_ffff;
code -= 0xE000;
}
else
{
/* Not in the unicode range that we can handle in
Emacs-22, so decode the original character
using the locale */
int nbytes, nchars, require, i, len;
unsigned char *dest;
struct coding_system coding;
if (dbcs[0] == 0)
{
nbytes = 1;
dbcs[0] = dbcs[1];
}
else
nbytes = 2;
setup_coding_system (Vlocale_coding_system, &coding);
coding.src_multibyte = 0;
coding.dst_multibyte = 1;
coding.composing = COMPOSITION_DISABLED;
require = decoding_buffer_size (&coding, nbytes);
dest = (unsigned char *) alloca (require);
coding.mode |= CODING_MODE_LAST_BLOCK;
decode_coding (&coding, dbcs, dest, nbytes, require);
nbytes = coding.produced;
nchars = coding.produced_char;
for (i = 0; i < nbytes; i += len)
{
if (nchars == nbytes)
{
inev.code = dest[i];
len = 1;
}
else
inev.code = STRING_CHAR_AND_LENGTH (dest + i,
nbytes - 1,
len);
inev.kind = (SINGLE_BYTE_CHAR_P (inev.code)
? ASCII_KEYSTROKE_EVENT
: MULTIBYTE_CHAR_KEYSTROKE_EVENT);
kbd_buffer_store_event_hold (&inev, hold_quit);
count++;
}
inev.kind = NO_EVENT; /* Already handled */
break;
}
/* Unicode characters from above. */
c1 = (code / 96) + 32;
c2 = (code % 96) + 32;
inev.code = MAKE_CHAR (charset_id, c1, c2);
@ -4379,9 +4432,6 @@ w32_read_socket (sd, expected, hold_quit)
inev.kind = NO_EVENT;
break;
}
inev.modifiers = msg.dwModifiers;
XSETFRAME (inev.frame_or_window, f);
inev.timestamp = msg.msg.time;
}
break;