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Rethink the whole line discipline architecture. Instead of having

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multiple switchable line disciplines, we now have a single unified
one which changes its behaviour based on option settings. Each
option setting can be suggested by the back end and/or the terminal
handler, and can be forcibly overridden by the configuration. Local
echo and local line editing are separate, independently switchable,
options.

[originally from svn r895]
This commit is contained in:
Simon Tatham
2001-01-24 14:08:20 +00:00
parent 89505459e3
commit 7a79df8fe6
12 changed files with 329 additions and 217 deletions
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32
plink.c
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@ -119,18 +119,11 @@ void verify_ssh_host_key(char *host, int port, char *keytype,
}
}
HANDLE outhandle, errhandle;
HANDLE inhandle, outhandle, errhandle;
DWORD orig_console_mode;
WSAEVENT netevent;
void begin_session(void) {
if (!cfg.ldisc_term)
SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), ENABLE_PROCESSED_INPUT);
else
SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), orig_console_mode);
}
void from_backend(int is_stderr, char *data, int len) {
int pos;
DWORD ret;
@ -144,6 +137,23 @@ void from_backend(int is_stderr, char *data, int len) {
}
}
int term_ldisc(int mode) { return FALSE; }
void ldisc_update(int echo, int edit) {
/* Update stdin read mode to reflect changes in line discipline. */
DWORD mode;
mode = ENABLE_PROCESSED_INPUT;
if (echo)
mode = mode | ENABLE_ECHO_INPUT;
else
mode = mode &~ ENABLE_ECHO_INPUT;
if (edit)
mode = mode | ENABLE_LINE_INPUT;
else
mode = mode &~ ENABLE_LINE_INPUT;
SetConsoleMode(inhandle, mode);
}
struct input_data {
DWORD len;
char buffer[4096];
@ -403,7 +413,6 @@ int main(int argc, char **argv) {
len2 = strlen(cp); len -= len2; cp += len2;
}
cfg.nopty = TRUE; /* command => no terminal */
cfg.ldisc_term = TRUE; /* use stdin like a line buffer */
break; /* done with cmdline */
}
}
@ -475,10 +484,11 @@ int main(int argc, char **argv) {
stdinevent = CreateEvent(NULL, FALSE, FALSE, NULL);
GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &orig_console_mode);
SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), ENABLE_PROCESSED_INPUT);
inhandle = GetStdHandle(STD_INPUT_HANDLE);
outhandle = GetStdHandle(STD_OUTPUT_HANDLE);
errhandle = GetStdHandle(STD_ERROR_HANDLE);
GetConsoleMode(inhandle, &orig_console_mode);
SetConsoleMode(inhandle, ENABLE_PROCESSED_INPUT);
/*
* Turn off ECHO and LINE input modes. We don't care if this