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|
#if !defined(lint) && !defined(DOS)
static char rcsid[] = "$Id: termin.gen.c 1025 2008-04-08 22:59:38Z hubert@u.washington.edu $";
#endif
/*
* ========================================================================
* Copyright 2006-2008 University of Washington
* Copyright 2013 Eduardo Chappa
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#include <system.h>
#include <general.h>
#include "../../c-client/mail.h" /* for MAILSTREAM and friends */
#include "../../c-client/osdep.h"
#include "../../c-client/rfc822.h" /* for soutr_t and such */
#include "../../c-client/misc.h" /* for cpystr proto */
#include "../../c-client/utf8.h" /* for CHARSET and such*/
#include "../../c-client/imap4r1.h"
#include "../../pith/osdep/color.h"
#include "../../pith/charconv/utf8.h"
#include "../../pith/debug.h"
#include "../../pith/newmail.h"
#include "../../pith/conf.h"
#include "../../pith/busy.h"
#include "../../pico/estruct.h"
#include "../../pico/pico.h"
#include "../../pico/keydefs.h"
#include "../../pico/osdep/color.h"
#include "../status.h"
#include "../folder.h"
#include "../keymenu.h"
#include "../send.h"
#include "../radio.h"
#include "../busy.h"
#ifdef _WINDOWS
#include "../../pico/osdep/mswin.h"
#include "termin.wnt.h"
#include "termout.wnt.h"
#else
#include "termout.unx.h"
#endif
#include "termin.gen.h"
#include "termout.gen.h"
#include "../mailcmd.h"
#ifdef _WINDOWS
static int g_mc_row, g_mc_col;
int pcpine_oe_cursor(int, long);
#endif
/*
* Generic tty input routines
*/
/*----------------------------------------------------------------------
Read a character from keyboard with timeout
Input: none
Result: Returns command read via read_char
Times out and returns a null command every so often
Calculates the timeout for the read, and does a few other house keeping
things. The duration of the timeout is set in pine.c.
----------------------------------------------------------------------*/
UCS
read_command(char **utf8str)
{
int tm = 0, more_freq_timeo;
UCS ucs;
long dtime;
static unsigned char utf8buf[7];
unsigned char *newdestp;
/*
* timeo is the mail-check-interval. What we want to do (ignoring the
* messages_queued part) is timeout more often than timeo but only
* check for new mail every timeo or so seconds. The reason we want to
* timeout more often is so that we will have a chance to catch the user
* in an idle period where we can do a check_point(). Otherwise, with
* a default mail-check-interval, we are almost always calling newmail
* right after the user presses a key, making it the worst possible
* time to do a checkpoint.
*/
more_freq_timeo = MIN(get_input_timeout(), IDLE_TIMEOUT);
if(more_freq_timeo == 0)
more_freq_timeo = IDLE_TIMEOUT;
cancel_busy_cue(-1);
tm = (messages_queued(&dtime) > 1) ? (int)dtime : more_freq_timeo;
if(utf8str)
*utf8str = NULL;
ucs = read_char(tm);
if(ucs != NO_OP_COMMAND && ucs != NO_OP_IDLE && ucs != KEY_RESIZE)
zero_new_mail_count();
#ifdef BACKGROUND_POST
/*
* Any expired children to report on?
*/
if(ps_global->post && ps_global->post->pid == 0){
int winner = 0;
if(ps_global->post->status < 0){
q_status_message(SM_ORDER | SM_DING, 3, 3, "Abysmal failure!");
}
else{
(void) pine_send_status(ps_global->post->status,
ps_global->post->fcc, tmp_20k_buf, SIZEOF_20KBUF,
&winner);
q_status_message(SM_ORDER | (winner ? 0 : SM_DING), 3, 3,
tmp_20k_buf);
}
if(!winner)
q_status_message(SM_ORDER, 0, 3,
"Re-send via \"Compose\" then \"Yes\" to \"Continue INTERRUPTED?\"");
if(ps_global->post->fcc)
fs_give((void **) &ps_global->post->fcc);
fs_give((void **) &ps_global->post);
}
#endif
/*
* The character we get from read_char() is a UCS-4 char. Or it could be a special
* value like KEY_UP or NO_OP_IDLE or something similar. From here on out
* we're going to operate with UTF-8 internally. This is the point where we
* convert the UCS-4 input (actually whatever sort of input the user is typing
* was converted to UCS-4 first) to UTF-8. It's easy in this read_command
* case because if user types a non-ascii character as a command it's going to be
* an error. All commands are ascii. In order to present a reasonable error
* message we pass back the UTF-8 string to the caller.
*/
if(ucs >= 0x80 && ucs < KEY_BASE){
/*
* User typed a character that is non-ascii. Convert it to
* UTF-8.
*/
memset(utf8buf, 0, sizeof(utf8buf));
newdestp = utf8_put(utf8buf, (unsigned long) ucs);
if(newdestp - utf8buf > 1){ /* this should happen */
if(utf8str)
*utf8str = (char *) utf8buf;
dprint((9, "Read command: looks like user typed non-ascii command 0x%x %s: returning KEY_UTF8\n", ucs, pretty_command(ucs)));
ucs = KEY_UTF8;
}
else{
dprint((9, "Read command: looks like user typed unknown, non-ascii command 0x%x %s: returning KEY_UNKNOWN\n", ucs, pretty_command(ucs)));
ucs = KEY_UNKNOWN; /* best we can do, shouldn't happen */
}
}
else{
dprint((9, "Read command returning: 0x%x %s\n", ucs, pretty_command(ucs)));
}
return(ucs);
}
int
read_command_prep()
{
int i;
char *fname;
MAILSTREAM *m;
/*
* Before we sniff at the input queue, make sure no external event's
* changed our picture of the message sequence mapping. If so,
* recalculate the dang thing and run thru whatever processing loop
* we're in again...
*/
for(i = 0; i < ps_global->s_pool.nstream; i++){
m = ps_global->s_pool.streams[i];
if(m && sp_flagged(m, SP_LOCKED) && sp_flagged(m, SP_USERFLDR)
&& sp_expunge_count(m)){
fname = STREAMNAME(m);
q_status_message3(SM_ORDER, 3, 3,
"%s message%s expunged from folder \"%s\"",
long2string(sp_expunge_count(m)),
plural(sp_expunge_count(m)),
pretty_fn(fname));
sp_set_expunge_count(m, 0L);
display_message('x');
}
}
if(sp_mail_box_changed(ps_global->mail_stream)
&& sp_new_mail_count(ps_global->mail_stream)){
dprint((2, "Noticed %ld new msgs! \n",
sp_new_mail_count(ps_global->mail_stream)));
return(FALSE); /* cycle thru so caller can update */
}
return(TRUE);
}
/*----------------------------------------------------------------------
Prompt user for a string in status line with various options
Args: utf8string -- the buffer result is returned in, and original string (if
any) is passed in.
y_base -- y position on screen to start on. 0,0 is upper left
negative numbers start from bottom
x_base -- column position on screen to start on. 0,0 is upper left
utf8string_size -- Length of utf8string buffer
utf8prompt -- The string to prompt with
escape_list -- pointer to array of ESCKEY_S's. input chars matching
those in list return value from list.
help -- Array of strings for help text in bottom screen lines
flags -- pointer (because some are return values) to flags
OE_USER_MODIFIED - Set on return if user modified buffer
OE_DISALLOW_CANCEL - No cancel in menu.
OE_DISALLOW_HELP - No help in menu.
OE_KEEP_TRAILING_SPACE - Allow trailing space.
OE_SEQ_SENSITIVE - Caller is sensitive to sequence
number changes.
OE_APPEND_CURRENT - String should not be truncated
before accepting user input.
OE_PASSWD - Don't echo on screen.
Result: editing input string
returns -1 unexpected errors
returns 0 normal entry typed (editing and return or PF2)
returns 1 typed ^C or PF2 (cancel)
returns 3 typed ^G or PF1 (help)
returns 4 typed ^L for a screen redraw
WARNING: Care is required with regard to the escape_list processing.
The passed array is terminated with an entry that has ch = -1.
Function key labels and key strokes need to be setup externally!
Traditionally, a return value of 2 is used for ^T escapes.
Unless in escape_list, tabs are trapped by isprint().
This allows near full weemacs style editing in the line
^A beginning of line
^E End of line
^R Redraw line
^G Help
^F forward
^B backward
^D delete
----------------------------------------------------------------------*/
int
optionally_enter(char *utf8string, int y_base, int x_base, int utf8string_size,
char *utf8prompt, ESCKEY_S *escape_list, HelpType help, int *flags)
{
UCS *string = NULL, ucs;
size_t string_size;
UCS *s2;
UCS *saved_original = NULL;
char *candidate;
UCS *kill_buffer = NULL;
UCS *k, *kb;
int field_pos; /* offset into array dline.vl */
int i, j, return_v, cols, prompt_width, too_thin,
real_y_base, km_popped, passwd;
char **help_text;
long fkey_table[12];
struct key_menu *km;
bitmap_t bitmap;
COLOR_PAIR *lastc = NULL, *promptc = NULL;
struct variable *vars = ps_global->vars;
struct display_line dline;
#ifdef _WINDOWS
int cursor_shown;
#endif
dprint((5, "=== optionally_enter called ===\n"));
dprint((9, "utf8string:\"%s\" y:%d x:%d length: %d append: %d\n",
utf8string ? utf8string : "",
x_base, y_base, utf8string_size,
(flags && *flags & OE_APPEND_CURRENT)));
dprint((9, "passwd:%d utf8prompt:\"%s\" label:\"%s\"\n",
(flags && *flags & OE_PASSWD_NOAST) ? 10 :
(flags && *flags & OE_PASSWD) ? 1 : 0,
utf8prompt ? utf8prompt : "",
(escape_list && escape_list[0].ch != -1 && escape_list[0].label)
? escape_list[0].label: ""));
if(!ps_global->ttyo)
return(pre_screen_config_opt_enter(utf8string, utf8string_size, utf8prompt,
escape_list, help, flags));
#ifdef _WINDOWS
if (mswin_usedialog ())
return(win_dialog_opt_enter(utf8string, utf8string_size, utf8prompt,
escape_list, help, flags));
#endif
/*
* Utf8string comes in as UTF-8. We'll convert it to a UCS-4 array and operate on
* that array, then convert it back before returning. Utf8string_size is the size
* of the utf8string array but that doesn't help us much for the array we need to
* operate on here. We'll just allocate a big array and then cut it off when
* sending it back.
*
* This should come before the specialized calls above but those aren't
* converted to use UCS-4 yet.
*/
string = utf8_to_ucs4_cpystr(utf8string);
dline.vused = ucs4_strlen(string);
string_size = (2 * MAX(utf8string_size,dline.vused) + 100);
fs_resize((void **) &string, string_size * sizeof(UCS));
suspend_busy_cue();
cols = ps_global->ttyo->screen_cols;
prompt_width = utf8_width(utf8prompt);
too_thin = 0;
km_popped = 0;
if(y_base > 0)
real_y_base = y_base;
else{
real_y_base = y_base + ps_global->ttyo->screen_rows;
real_y_base = MAX(real_y_base, 0);
}
flush_ordered_messages();
mark_status_dirty();
if(flags && *flags & OE_APPEND_CURRENT) /* save a copy in case of cancel */
saved_original = ucs4_cpystr(string);
/*
* build the function key mapping table, skipping predefined keys...
*/
memset(fkey_table, NO_OP_COMMAND, 12 * sizeof(long));
for(i = 0, j = 0; escape_list && escape_list[i].ch != -1 && i+j < 12; i++){
if(i+j == OE_HELP_KEY)
j++;
if(i+j == OE_CANCEL_KEY)
j++;
if(i+j == OE_ENTER_KEY)
j++;
fkey_table[i+j] = escape_list[i].ch;
}
/* assumption that HelpType is char ** */
help_text = help;
if(help_text){ /*---- Show help text -----*/
int width = ps_global->ttyo->screen_cols - x_base;
if(FOOTER_ROWS(ps_global) == 1){
km_popped++;
FOOTER_ROWS(ps_global) = 3;
clearfooter(ps_global);
y_base = -3;
real_y_base = y_base + ps_global->ttyo->screen_rows;
}
for(j = 0; j < 2 && help_text[j]; j++){
MoveCursor(real_y_base + 1 + j, x_base);
CleartoEOLN();
if(width < utf8_width(help_text[j])){
char *tmp = cpystr(help_text[j]);
(void) utf8_truncate(tmp, width);
PutLine0(real_y_base + 1 + j, x_base, tmp);
fs_give((void **) &tmp);
}
else
PutLine0(real_y_base + 1 + j, x_base, help_text[j]);
}
}
else{
clrbitmap(bitmap);
clrbitmap((km = &oe_keymenu)->bitmap); /* force formatting */
if(!(flags && (*flags) & OE_DISALLOW_HELP))
setbitn(OE_HELP_KEY, bitmap);
setbitn(OE_ENTER_KEY, bitmap);
if(!(flags && (*flags) & OE_DISALLOW_CANCEL))
setbitn(OE_CANCEL_KEY, bitmap);
setbitn(OE_CTRL_T_KEY, bitmap);
/*---- Show the usual possible keys ----*/
for(i=0,j=0; escape_list && escape_list[i].ch != -1 && i+j < 12; i++){
if(i+j == OE_HELP_KEY)
j++;
if(i+j == OE_CANCEL_KEY)
j++;
if(i+j == OE_ENTER_KEY)
j++;
oe_keymenu.keys[i+j].label = escape_list[i].label;
oe_keymenu.keys[i+j].name = escape_list[i].name;
setbitn(i+j, bitmap);
}
for(i = i+j; i < 12; i++)
if(!(i == OE_HELP_KEY || i == OE_ENTER_KEY || i == OE_CANCEL_KEY))
oe_keymenu.keys[i].name = NULL;
draw_keymenu(km, bitmap, cols, 1-FOOTER_ROWS(ps_global), 0, FirstMenu);
}
if(pico_usingcolor() && VAR_PROMPT_FORE_COLOR &&
VAR_PROMPT_BACK_COLOR &&
pico_is_good_color(VAR_PROMPT_FORE_COLOR) &&
pico_is_good_color(VAR_PROMPT_BACK_COLOR)){
lastc = pico_get_cur_color();
if(lastc){
promptc = new_color_pair(VAR_PROMPT_FORE_COLOR,
VAR_PROMPT_BACK_COLOR);
(void)pico_set_colorp(promptc, PSC_NONE);
}
}
else
StartInverse();
/*
* if display length isn't wide enough to support input,
* shorten up the prompt...
*/
if((dline.dwid = cols - (x_base + prompt_width)) < MIN_OPT_ENT_WIDTH){
char *p;
unsigned got_width;
/*
* Scoot prompt pointer forward at least (MIN_OPT_ENT_WIDTH - dline.dwid) screencells.
*/
p = utf8_count_forw_width(utf8prompt, MIN_OPT_ENT_WIDTH-dline.dwid, &got_width);
if(got_width < MIN_OPT_ENT_WIDTH-dline.dwid)
p = utf8_count_forw_width(utf8prompt, MIN_OPT_ENT_WIDTH+1-dline.dwid, &got_width);
if(p){
prompt_width = utf8_width(p);
dline.dwid = cols - (x_base + prompt_width);
utf8prompt = p;
}
}
/*
* How many UCS-4 characters will we need to make up the width dwid? It could be
* unlimited because of zero-width characters, I suppose, but realistically it
* isn't going to be much more than dwid.
*/
dline.dlen = 2 * dline.dwid + 100;
dline.dl = (UCS *) fs_get(dline.dlen * sizeof(UCS));
dline.olddl = (UCS *) fs_get(dline.dlen * sizeof(UCS));
memset(dline.dl, 0, dline.dlen * sizeof(UCS));
memset(dline.olddl, 0, dline.dlen * sizeof(UCS));
dline.movecursor = MoveCursor;
dline.writechar = Writewchar;
dline.row = real_y_base;
dline.col = x_base + prompt_width;
dline.vl = string;
dline.vlen = --string_size; /* -1 for terminating zero */
dline.vbase = field_pos = 0;
#ifdef _WINDOWS
cursor_shown = mswin_showcaret(1);
#endif
PutLine0(real_y_base, x_base, utf8prompt);
/*
* If appending, position field_pos at end of input.
*/
if(flags && *flags & OE_APPEND_CURRENT)
while(string[field_pos])
field_pos++;
passwd = (flags && *flags & OE_PASSWD_NOAST) ? 10 :
(flags && *flags & OE_PASSWD) ? 1 : 0;
line_paint(field_pos, &dline, &passwd);
/*----------------------------------------------------------------------
The main loop
loops until someone sets the return_v.
----------------------------------------------------------------------*/
return_v = -10;
while(return_v == -10) {
#ifdef MOUSE
mouse_in_content(KEY_MOUSE, -1, -1, 0x5, 0);
register_mfunc(mouse_in_content,
real_y_base, x_base + prompt_width,
real_y_base, ps_global->ttyo->screen_cols);
#endif
#ifdef _WINDOWS
mswin_allowpaste(MSWIN_PASTE_LINE);
g_mc_row = real_y_base;
g_mc_col = x_base + prompt_width;
mswin_mousetrackcallback(pcpine_oe_cursor);
#endif
/* Timeout 10 min to keep imap mail stream alive */
ps_global->conceal_sensitive_debugging = passwd ? 1 : 0;
ucs = read_char(600);
ps_global->conceal_sensitive_debugging = 0;
#ifdef MOUSE
clear_mfunc(mouse_in_content);
#endif
#ifdef _WINDOWS
mswin_allowpaste(MSWIN_PASTE_DISABLE);
mswin_mousetrackcallback(NULL);
#endif
/*
* Don't want to intercept all characters if typing in passwd.
* We select an ad hoc set that we will catch and let the rest
* through. We would have caught the set below in the big switch
* but we skip the switch instead. Still catch things like ^K,
* DELETE, ^C, RETURN.
*/
if(passwd)
switch(ucs){
case ctrl('F'):
case KEY_RIGHT:
case ctrl('B'):
case KEY_LEFT:
case ctrl('U'):
case ctrl('A'):
case KEY_HOME:
case ctrl('E'):
case KEY_END:
case TAB:
goto ok_for_passwd;
}
if(too_thin && ucs != KEY_RESIZE && ucs != ctrl('Z') && ucs != ctrl('C'))
goto bleep;
switch(ucs){
/*--------------- KEY RIGHT ---------------*/
case ctrl('F'):
case KEY_RIGHT:
if(field_pos >= string_size || string[field_pos] == '\0')
goto bleep;
line_paint(++field_pos, &dline, &passwd);
break;
/*--------------- KEY LEFT ---------------*/
case ctrl('B'):
case KEY_LEFT:
if(field_pos <= 0)
goto bleep;
line_paint(--field_pos, &dline, &passwd);
break;
/*-------------------- WORD SKIP --------------------*/
case ctrl('@'):
/*
* Note: read_char *can* return NO_OP_COMMAND which is
* the def'd with the same value as ^@ (NULL), BUT since
* read_char has a big timeout (>25 secs) it won't.
*/
/* skip thru current word */
while(string[field_pos]
&& isalnum((unsigned char) string[field_pos]))
field_pos++;
/* skip thru current white space to next word */
while(string[field_pos]
&& !isalnum((unsigned char) string[field_pos]))
field_pos++;
line_paint(field_pos, &dline, &passwd);
break;
/*-------------------- RETURN --------------------*/
case PF4:
if(F_OFF(F_USE_FK,ps_global)) goto bleep;
case ctrl('J'):
case ctrl('M'):
return_v = 0;
break;
/*-------------------- Destructive backspace --------------------*/
case '\177': /* DEL */
case ctrl('H'):
/* Try and do this with by telling the terminal to delete a
a character. If that fails, then repaint the rest of the
line, acheiving the same much less efficiently
*/
if(field_pos <= 0)
goto bleep;
field_pos--;
/* drop thru to pull line back ... */
/*-------------------- Delete char --------------------*/
case ctrl('D'):
case KEY_DEL:
if(field_pos >= string_size || !string[field_pos])
goto bleep;
dline.vused--;
for(s2 = &string[field_pos]; *s2 != 0; s2++)
*s2 = s2[1];
*s2 = 0; /* Copy last NULL */
line_paint(field_pos, &dline, &passwd);
if(flags) /* record change if requested */
*flags |= OE_USER_MODIFIED;
break;
/*--------------- Kill line -----------------*/
case ctrl('K'):
if(kill_buffer != NULL)
fs_give((void **) &kill_buffer);
if(field_pos != 0 || string[0]){
if(!passwd && F_ON(F_DEL_FROM_DOT, ps_global))
dline.vused -= ucs4_strlen(&string[i = field_pos]);
else
dline.vused = i = 0;
kill_buffer = ucs4_cpystr(&string[field_pos = i]);
string[field_pos] = '\0';
line_paint(field_pos, &dline, &passwd);
if(flags) /* record change if requested */
*flags |= OE_USER_MODIFIED;
}
break;
/*------------------- Undelete line --------------------*/
case ctrl('U'):
if(kill_buffer == NULL)
goto bleep;
/* Make string so it will fit */
kb = ucs4_cpystr(kill_buffer);
if(ucs4_strlen(kb) + ucs4_strlen(string) > string_size)
kb[string_size - ucs4_strlen(string)] = '\0';
if(string[field_pos] == '\0') {
/*--- adding to the end of the string ----*/
for(k = kb; *k; k++)
string[field_pos++] = *k;
string[field_pos] = '\0';
}
else{
int shift;
shift = ucs4_strlen(kb);
/* shift field_pos ... end to right */
for(k = &string[field_pos] + ucs4_strlen(&string[field_pos]);
k >= &string[field_pos]; k--)
*(k+shift) = *k;
for(k = kb; *k; k++)
string[field_pos++] = *k;
}
if(*kb && flags) /* record change if requested */
*flags |= OE_USER_MODIFIED;
dline.vused = ucs4_strlen(string);
fs_give((void **) &kb);
line_paint(field_pos, &dline, &passwd);
break;
/*-------------------- Interrupt --------------------*/
case ctrl('C'): /* ^C */
if(F_ON(F_USE_FK,ps_global) || (flags && ((*flags) & OE_DISALLOW_CANCEL)))
goto bleep;
goto cancel;
case PF2:
if(F_OFF(F_USE_FK,ps_global) || (flags && ((*flags) & OE_DISALLOW_CANCEL)))
goto bleep;
cancel:
return_v = 1;
if(saved_original){
for(i = 0; saved_original[i]; i++)
string[i] = saved_original[i];
string[i] = 0;
}
break;
case ctrl('A'):
case KEY_HOME:
/*-------------------- Start of line -------------*/
line_paint(field_pos = 0, &dline, &passwd);
break;
case ctrl('E'):
case KEY_END:
/*-------------------- End of line ---------------*/
line_paint(field_pos = dline.vused, &dline, &passwd);
break;
/*-------------------- Help --------------------*/
case ctrl('G') :
case PF1:
if(flags && ((*flags) & OE_DISALLOW_HELP))
goto bleep;
else if(FOOTER_ROWS(ps_global) == 1 && km_popped == 0){
km_popped++;
FOOTER_ROWS(ps_global) = 3;
clearfooter(ps_global);
if(lastc)
(void)pico_set_colorp(lastc, PSC_NONE);
else
EndInverse();
draw_keymenu(km, bitmap, cols, 1-FOOTER_ROWS(ps_global),
0, FirstMenu);
if(promptc)
(void)pico_set_colorp(promptc, PSC_NONE);
else
StartInverse();
mark_keymenu_dirty();
y_base = -3;
dline.row = real_y_base = y_base + ps_global->ttyo->screen_rows;
PutLine0(real_y_base, x_base, utf8prompt);
memset(dline.dl, 0, dline.dlen * sizeof(UCS));
memset(dline.olddl, 0, dline.dlen * sizeof(UCS));
line_paint(field_pos, &dline, &passwd);
break;
}
if(FOOTER_ROWS(ps_global) > 1){
mark_keymenu_dirty();
return_v = 3;
}
else
goto bleep;
break;
#ifdef MOUSE
/* Mouse support untested in pine 5.00 */
case KEY_MOUSE :
{
MOUSEPRESS mp;
int w;
mouse_get_last (NULL, &mp);
switch(mp.button){
case M_BUTTON_LEFT : /* position cursor */
mp.col -= dline.col;
/*
* We have to figure out which character is under the cursor.
* This is complicated by the fact that characters may
* be other than one cell wide.
*/
/* the -1 is for the '<' when text is offscreen left */
w = (dline.vbase > 0) ? mp.col-1 : mp.col;
if(mp.col <= 0)
field_pos = dline.vbase - 1;
else{
if(dline.vused <= dline.vbase
|| ucs4_str_width_a_to_b(dline.vl,dline.vbase,dline.vused-1) <= w)
field_pos = dline.vused;
else{
/*
* Find index of 1st character that causes the
* width to be > w.
*/
for(i = 0;
ucs4_str_width_a_to_b(dline.vl,dline.vbase,dline.vbase+i) <= w;
i++)
;
field_pos = dline.vbase + i;
}
}
field_pos = MIN(MAX(field_pos, 0), dline.vused);
/* just allow line_paint to choose vbase */
line_paint(field_pos, &dline, &passwd);
break;
case M_BUTTON_RIGHT :
#ifdef _WINDOWS
/*
* Same as M_BUTTON_LEFT except we paste in text after
* moving the cursor.
*/
mp.col -= dline.col;
/* the -1 is for the '<' when text is offscreen left */
w = (dline.vbase > 0) ? mp.col-1 : mp.col;
if(mp.col <= 0)
field_pos = dline.vbase - 1;
else{
if(dline.vused <= dline.vbase
|| ucs4_str_width_a_to_b(dline.vl,dline.vbase,dline.vused-1) <= w)
field_pos = dline.vused;
else{
/*
* Find index of 1st character that causes the
* width to be > w.
*/
for(i = 0;
ucs4_str_width_a_to_b(dline.vl,dline.vbase,dline.vbase+i) <= w;
i++)
;
field_pos = dline.vbase + i;
}
}
field_pos = MIN(MAX(field_pos, 0), dline.vused);
line_paint(field_pos, &dline, &passwd);
mswin_allowpaste(MSWIN_PASTE_LINE);
mswin_paste_popup();
mswin_allowpaste(MSWIN_PASTE_DISABLE);
break;
#endif
case M_BUTTON_MIDDLE : /* NO-OP for now */
default: /* just ignore */
break;
}
}
break;
#endif
case NO_OP_IDLE:
/*
* Keep mail stream alive by checking for new mail.
* If we're asking for a password in a login prompt
* we don't want to check for new_mail because the
* new mail check might be what got us here in the first
* place (because of a filter trying to save a message).
* If we need to wait for the user to come back then
* the caller will just have to deal with the failure
* to login.
*/
i = -1;
if(!ps_global->no_newmail_check_from_optionally_enter)
i = new_mail(0, 2, NM_DEFER_SORT);
if(sp_expunge_count(ps_global->mail_stream) &&
flags && ((*flags) & OE_SEQ_SENSITIVE))
goto cancel;
if(i < 0){
line_paint(field_pos, &dline, &passwd);
break; /* no changes, get on with life */
}
/* Else fall into redraw */
/*-------------------- Redraw --------------------*/
case ctrl('L'):
/*---------------- re size ----------------*/
case KEY_RESIZE:
dline.row = real_y_base = y_base > 0 ? y_base :
y_base + ps_global->ttyo->screen_rows;
if(lastc)
(void)pico_set_colorp(lastc, PSC_NONE);
else
EndInverse();
ClearScreen();
redraw_titlebar();
if(ps_global->redrawer != (void (*)(void))NULL)
(*ps_global->redrawer)();
redraw_keymenu();
if(promptc)
(void)pico_set_colorp(promptc, PSC_NONE);
else
StartInverse();
PutLine0(real_y_base, x_base, utf8prompt);
cols = ps_global->ttyo->screen_cols;
too_thin = 0;
if(cols < x_base + prompt_width + 4){
Writechar(BELL, 0);
PutLine0(real_y_base, 0, "Screen's too thin. Ouch!");
too_thin = 1;
}
else{
dline.col = x_base + prompt_width;
dline.dwid = cols - (x_base + prompt_width);
dline.dlen = 2 * dline.dwid + 100;
fs_resize((void **) &dline.dl, (size_t) dline.dlen * sizeof(UCS));
fs_resize((void **) &dline.olddl, (size_t) dline.dlen * sizeof(UCS));
memset(dline.dl, 0, dline.dlen * sizeof(UCS));
memset(dline.olddl, 0, dline.dlen * sizeof(UCS));
line_paint(field_pos, &dline, &passwd);
}
fflush(stdout);
dprint((9,
"optionally_enter RESIZE new_cols:%d too_thin: %d\n",
cols, too_thin));
break;
case PF3 : /* input to potentially remap */
case PF5 :
case PF6 :
case PF7 :
case PF8 :
case PF9 :
case PF10 :
case PF11 :
case PF12 :
if(F_ON(F_USE_FK,ps_global)
&& fkey_table[ucs - PF1] != NO_OP_COMMAND)
ucs = fkey_table[ucs - PF1]; /* remap function key input */
default:
if(escape_list){ /* in the escape key list? */
for(j=0; escape_list[j].ch != -1; j++){
if(escape_list[j].ch == ucs){
return_v = escape_list[j].rval;
break;
}
}
if(return_v != -10)
break;
}
if(ucs < 0x80 && FILTER_THIS((unsigned char) ucs)){
bleep:
putc(BELL, stdout);
continue;
}
ok_for_passwd:
/*--- Insert a character -----*/
if(dline.vused >= string_size)
goto bleep;
/*---- extending the length of the string ---*/
for(s2 = &string[++dline.vused]; s2 - string > field_pos; s2--)
*s2 = *(s2-1);
string[field_pos++] = ucs;
line_paint(field_pos, &dline, &passwd);
if(flags) /* record change if requested */
*flags |= OE_USER_MODIFIED;
} /*---- End of switch on char ----*/
}
#ifdef _WINDOWS
if(!cursor_shown)
mswin_showcaret(0);
#endif
if(dline.dl)
fs_give((void **) &dline.dl);
if(dline.olddl)
fs_give((void **) &dline.olddl);
if(saved_original)
fs_give((void **) &saved_original);
if(kill_buffer)
fs_give((void **) &kill_buffer);
/*
* Change string back into UTF-8.
*/
candidate = ucs4_to_utf8_cpystr(string);
if(string)
fs_give((void **) &string);
if(candidate){
strncpy(utf8string, candidate, utf8string_size);
utf8string[utf8string_size-1] = '\0';
fs_give((void **) &candidate);
}
if (!(flags && (*flags) & OE_KEEP_TRAILING_SPACE))
removing_trailing_white_space(utf8string);
if(lastc){
(void)pico_set_colorp(lastc, PSC_NONE);
free_color_pair(&lastc);
if(promptc)
free_color_pair(&promptc);
}
else
EndInverse();
MoveCursor(real_y_base, x_base); /* Move the cursor to show we're done */
fflush(stdout);
resume_busy_cue(0);
if(km_popped){
FOOTER_ROWS(ps_global) = 1;
clearfooter(ps_global);
ps_global->mangled_body = 1;
}
return(return_v);
}
/*----------------------------------------------------------------------
Check to see if the given command is reasonably valid
Args: ch -- the character to check
Result: A valid command is returned, or a well know bad command is returned.
---*/
UCS
validatekeys(UCS ch)
{
if(F_ON(F_USE_FK,ps_global)){
if(ch >= 'a' && ch <= 'z')
return(KEY_JUNK);
}
else{
if(ch >= PF1 && ch <= PF12)
return(KEY_JUNK);
}
return(ch);
}
/*----------------------------------------------------------------------
Prepend config'd commands to keyboard input
Args: ch -- pointer to storage for returned command
Returns: TRUE if we're passing back a useful command, FALSE otherwise
---*/
int
process_config_input(UCS *ch)
{
static char firsttime = (char) 1;
int c;
unsigned long octets_so_far, remaining_octets, ret = 0;
unsigned char *inputp;
UCS ucs;
unsigned char inputbuf[20];
/* commands in config file */
if(ps_global->initial_cmds && *ps_global->initial_cmds) {
/*
* There are a few commands that may require keyboard input before
* we enter the main command loop. That input should be interactive,
* not from our list of initial keystrokes.
*/
if(ps_global->dont_use_init_cmds)
return(ret);
c = *ps_global->initial_cmds++;
/*
* Use enough bytes to make up a character and convert it to UCS-4.
*/
if(c < 0x80 || c > KEY_BASE){
*ch = (UCS) c;
ret = 1;
}
else{
memset(inputbuf, 0, sizeof(inputbuf));
inputbuf[0] = (0xff & c);
octets_so_far = 1;
while(!ret){
remaining_octets = octets_so_far;
inputp = inputbuf;
ucs = (UCS) utf8_get(&inputp, &remaining_octets);
switch(ucs){
case U8G_ENDSTRG: /* incomplete character, wait */
case U8G_ENDSTRI: /* incomplete character, wait */
if(!*ps_global->initial_cmds || octets_so_far >= sizeof(inputbuf)){
*ch = BADESC;
ret = 1;
}
else
inputbuf[octets_so_far++] = (0xff & *ps_global->initial_cmds++);
break;
default:
if(ucs & U8G_ERROR || ucs == UBOGON)
*ch = BADESC;
else
*ch = ucs;
ret = 1;
break;
}
}
}
if(!*ps_global->initial_cmds && ps_global->free_initial_cmds){
fs_give((void **) &ps_global->free_initial_cmds);
ps_global->initial_cmds = NULL;
}
return(ret);
}
if(firsttime) {
firsttime = 0;
if(ps_global->in_init_seq) {
ps_global->in_init_seq = 0;
ps_global->save_in_init_seq = 0;
clear_cursor_pos();
F_SET(F_USE_FK,ps_global,ps_global->orig_use_fkeys);
/* draw screen */
*ch = (UCS) ctrl('L');
return(1);
}
}
return(0);
}
#define TAPELEN 256
static int tape[TAPELEN];
static long recorded = 0L;
static short length = 0;
/*
* record user keystrokes
*
* Args: ch -- the character to record
*
* Returns: character recorded
*/
int
key_recorder(int ch)
{
tape[recorded++ % TAPELEN] = ch;
if(length < TAPELEN)
length++;
return(ch);
}
/*
* playback user keystrokes
*
* Args: ch -- ignored
*
* Returns: character played back or -1 to indicate end of tape
*/
int
key_playback(int ch)
{
ch = length ? tape[(recorded + TAPELEN - length--) % TAPELEN] : -1;
return(ch);
}
/*
* recent_keystroke - verbose version of key_playback
*/
int
recent_keystroke(int *cv, char *cs, size_t cslen)
{
int c;
if((c = key_playback(0)) != -1){
*cv = c;
snprintf(cs, cslen, "%.32s", pretty_command(c));
return(0);
}
return(-1);
}
#ifdef _WINDOWS
int
pcpine_oe_cursor(col, row)
int col;
long row;
{
return((row == g_mc_row
&& col >= g_mc_col
&& col < ps_global->ttyo->screen_cols)
? MSWIN_CURSOR_IBEAM
: MSWIN_CURSOR_ARROW);
}
#endif
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