static void update_display (void)
{
unsigned int row, nrows;
File_Line_Type *line;
/* All well behaved applications should block signals that may affect
* the display while performing screen update.
*/
SLsig_block_signals ();
Line_Window.nrows = nrows = SLtt_Screen_Rows - 1;
/* Always make the current line equal to the top window line. */
if (Line_Window.top_window_line != NULL)
Line_Window.current_line = Line_Window.top_window_line;
SLscroll_find_top (&Line_Window);
row = 0;
line = (File_Line_Type *) Line_Window.top_window_line;
SLsmg_normal_video ();
while (row < Line_Window.nrows)
{
SLsmg_gotorc (row, 0);
if (line != NULL)
{
SLsmg_write_string (line->data);
line = line->next;
}
SLsmg_erase_eol ();
row++;
}
SLsmg_gotorc (row, 0);
SLsmg_reverse_video ();
SLsmg_printf ("%s | UTF-8 = %d",
(File_Name == NULL) ? "<stdin>" : File_Name,
SLutf8_is_utf8_mode ());
SLsmg_erase_eol ();
SLsmg_refresh ();
SLsig_unblock_signals ();
}
/* displays a selection of limited (visible) emails */
void redraw_current_state() {
int r = 0;
mbox_item *e;
SLsig_block_signals();
disp.num_rows = SLtt_Screen_Rows;
disp.num_cols = SLtt_Screen_Cols;
SLsmg_normal_video();
if( emails.num_limited > 0 ) {
for(r = 0; r < (disp.num_rows - 2); r++) {
if( r + disp.first_visible < emails.num_limited ) {
e = emails.llist[r + disp.first_visible];
SLsmg_gotorc(r + 1, 0);
SLsmg_printf("%c %8.1f %s",
(e->state & (1<<STATE_TAGGED)) ? 'T' : ' ',
e->score[emails.score_type],
e->description[emails.index_format]);
SLsmg_erase_eol();
} else {
SLsmg_gotorc(r + 1, 0);
SLsmg_erase_eol();
}
}
} else {
SLsmg_cls();
r = disp.num_rows - 2;
}
SLsmg_reverse_video();
e = emails.llist[disp.first_visible + disp.highlighted];
SLsmg_gotorc(disp.highlighted + 1, 0);
if( emails.num_limited > 0 ) {
SLsmg_printf("%c %8.1f %s",
(e->state & (1<<STATE_TAGGED)) ? 'T' : ' ',
e->score[emails.score_type],
e->description[emails.index_format]);
}
SLsmg_erase_eol();
SLsmg_set_color(2);
SLsmg_gotorc(0,0);
SLsmg_printf("mailinspect %s %ld msgs sorted(%d) by category %s",
emails.filename, (long)emails.num_limited, emails.score_type, cat[0].filename);
SLsmg_erase_eol();
SLsmg_gotorc(r + 1, 0);
SLsmg_printf("q: quit o: scoring z: rev. sort /: search tT: tag uU: untag sS: send to shell p: summary c: category");
SLsmg_erase_eol();
SLsmg_refresh();
SLsig_unblock_signals();
}
/* make sure to call free on the returned string once no longer needed */
char *get_input_line(char *title, char *prefill) {
#if (SLANG_VERSION >= 20000) /* libslang2 */
char *s = NULL;
char *buf;
unsigned int len = 0;
SLrline_Type *rli;
rli = SLrline_open(SLtt_Screen_Cols, SL_RLINE_BLINK_MATCH);
if( rli ) {
SLtt_set_cursor_visibility(1);
SLsmg_normal_video();
len = 255;
rline_update(NULL, len, strlen(title));
buf = SLrline_read_line(rli, title, &len);
if( buf ) {
s = strdup(buf);
add_history(s);
}
SLfree(buf);
SLtt_set_cursor_visibility(0);
}
#else /* libslang1 */
char *s;
SLang_RLine_Info_Type *rli;
s = malloc(256 * sizeof(char));
if( s ) {
rli = (SLang_RLine_Info_Type *)malloc(sizeof(SLang_RLine_Info_Type));
if( rli ) {
memset(rli, 0, sizeof(SLang_RLine_Info_Type));
rli->buf = (unsigned char *)s; /* buf is unsigned */
rli->buf_len = 255;
rli->tab = 8;
rli->dhscroll = 5;
rli->getkey = SLang_getkey;
rli->tt_goto_column = NULL;
rli->update_hook = rline_update;
rli->flags |= SL_RLINE_BLINK_MATCH;
rli->input_pending = SLang_input_pending;
SLang_init_readline(rli);
rli->edit_width = SLtt_Screen_Cols - 1;
rli->prompt = title;
/* now prefill if necessary */
if( *prefill ) {
strncpy(s, prefill, 255);
rli->buf[255] = '\0';
rli->point = strlen((char *)rli->buf);
} else {
*rli->buf = 0;
rli->point = 0;
}
SLtt_set_cursor_visibility(1);
SLsmg_normal_video();
SLang_read_line(rli);
add_history(s); /* buf is unsigned */
SLtt_set_cursor_visibility(0);
free(rli);
}
}
#endif
return s;
}
void
tty_set_normal_attrs (void)
{
SLsmg_normal_video ();
}
static void smg_normal_video (void)
{
if (Smg_Initialized <= 0)
return;
SLsmg_normal_video ();
}
static int sl_output(int port, char *buf, int len)
{
int x,y,z,v,w;
char *str, *t1, *t2, *t3;
int ret;
char ch;
/* check for signals */
if (signal_cought != 0) { /* async out signal */
char xxx[5];
xxx[0] = 0;
put_int32(signal_cought, xxx+1);
driver_output(port, xxx, 5);
signal_cought = 0;
}
switch (*buf++) {
case INIT_TTY: {
int abort_char, flow_ctl, opost;
abort_char = get_int32(buf); buf+=4;
flow_ctl = get_int32(buf); buf+= 4;
opost = get_int32(buf); buf+= 4;
ret = SLang_init_tty (abort_char,flow_ctl, opost);
return ret_int(port, ret);
}
case SET_ABORT_FUNCTION: {
SLang_set_abort_signal (NULL);
return ret_int(port, 0);
}
case GETKEY: {
unsigned int key;
if (SLang_input_pending (0) == 0) {
wait_for = GETKEY;
driver_select(port, 0, DO_READ, 1);
return 0;
}
x = SLang_getkey ();
return ret_int(port, x);
}
/* read a symbol */
case KP_GETKEY: {
if (SLang_input_pending (0) == 0) {
wait_for = KP_GETKEY;
driver_select(port, 0, DO_READ, 1);
return 0;
}
x = SLkp_getkey ();
return ret_int(port, x);
}
case UNGETKEY: {
unsigned char key = (unsigned char) *buf;
SLang_ungetkey (key);
return 0;
}
case RESET_TTY: {
SLang_reset_tty();
return 0;
}
case KP_INIT: {
return ret_int(port, SLkp_init ());
}
case SETVAR: {
x = get_int32(buf);buf+= 4;
y = get_int32(buf);
switch (x) {
case esl_baud_rate:
SLang_TT_Baud_Rate = y; return 0;
case esl_read_fd:
return 0;
case esl_abort_char:
SLang_Abort_Char = y; return 0;
case esl_ignore_user_abort:
SLang_Ignore_User_Abort=y; return 0;
case esl_input_buffer_len :
SLang_Input_Buffer_Len=y; return 0;
case esl_keyboard_quit:
SLKeyBoard_Quit=y; return 0;
case esl_last_key_char:
SLang_Last_Key_Char=y; return 0;
case esl_rl_eof_char:
SLang_RL_EOF_Char=y; return 0;
case esl_rline_quit:
SLang_Rline_Quit=y; return 0;
case esl_screen_rows:
case esl_screen_cols :
return 0;
case esl_tab_width:
SLsmg_Tab_Width=y; return 0;
case esl_newline_behaviour:
SLsmg_Newline_Behavior=y; return 0;
case esl_error:
SLang_Error=y; return 0;
case esl_version:
return 0;
case esl_backspace_moves :
SLsmg_Backspace_Moves=y; return 0;
case esl_display_eight_bit:
SLsmg_Display_Eight_Bit=y; return 0;
default:
return 0;
}
}
case GETVAR: {
x = get_int32(buf);
switch (x) {
case esl_baud_rate:
return ret_int(port, SLang_TT_Baud_Rate);
case esl_read_fd:
return ret_int(port, SLang_TT_Read_FD);
case esl_abort_char:
return (ret_int(port, SLang_Abort_Char));
case esl_ignore_user_abort:
return ret_int(port, SLang_Ignore_User_Abort);
case esl_input_buffer_len :
return ret_int(port, SLang_Input_Buffer_Len);
case esl_keyboard_quit:
return ret_int(port, SLKeyBoard_Quit);
case esl_last_key_char:
return ret_int(port, SLang_Last_Key_Char);
case esl_rl_eof_char:
return ret_int(port, SLang_RL_EOF_Char);
case esl_rline_quit:
return ret_int(port, SLang_Rline_Quit);
case esl_screen_rows:
return ret_int(port, SLtt_Screen_Rows);
case esl_screen_cols :
return ret_int(port, SLtt_Screen_Cols);
case esl_tab_width:
return ret_int(port, SLsmg_Tab_Width);
case esl_newline_behaviour:
return ret_int(port, SLsmg_Newline_Behavior);
case esl_error:
return ret_int(port, SLang_Error);
case esl_version:
return ret_int(port, SLang_Version);
case esl_backspace_moves :
return ret_int(port, SLsmg_Backspace_Moves);
case esl_display_eight_bit:
return ret_int(port, SLsmg_Display_Eight_Bit);
default:
return ret_int(port, -1);
}
}
/*{{{ SLsmg Screen Management Functions */
case SMG_FILL_REGION: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
ch = *buf;
SLsmg_fill_region(x, y,z,v,ch);
return 0;
}
case SMG_SET_CHAR_SET: {
x = get_int32(buf); buf+= 4;
SLsmg_set_char_set(x);
return 0;
}
case SMG_SUSPEND_SMG: {
return ret_int(port, SLsmg_suspend_smg());
}
case SMG_RESUME_SMG: {
ret_int(port, SLsmg_resume_smg());
}
case SMG_ERASE_EOL: {
SLsmg_erase_eol();
return 0;
}
case SMG_GOTORC: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
SLsmg_gotorc(x, y);
return 0;
}
case SMG_ERASE_EOS: {
SLsmg_erase_eos();
return 0;
}
case SMG_REVERSE_VIDEO: {
SLsmg_reverse_video();
return 0;
}
case SMG_SET_COLOR: {
x = get_int32(buf); buf+= 4;
SLsmg_set_color(x);
return 0;
}
case SMG_NORMAL_VIDEO: {
SLsmg_normal_video();
return 0;
}
case SMG_WRITE_STRING: {
SLsmg_write_string(buf);
return 0;
}
case SMG_WRITE_CHAR: {
ch = *buf;
SLsmg_write_char(ch);
return 0;
}
case SMG_WRITE_WRAPPED_STRING: {
t1 = buf;
buf += strlen(t1) + 1;
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
w = get_int32(buf); buf+= 4;
SLsmg_write_wrapped_string(t1, x,y,z,v,w);
return 0;
}
case SMG_CLS: {
SLsmg_cls();
return 0;
}
case SMG_REFRESH: {
SLsmg_refresh();
return 0;
}
case SMG_TOUCH_LINES: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
SLsmg_touch_lines(x, y);
return 0;
}
case SMG_TOUCH_SCREEN: {
#if (SLANG_VERSION < 10400 )
return ret_int(port, -1);
#else
SLsmg_touch_screen();
#endif
return 0;
}
case SMG_INIT_SMG: {
return ret_int(port, SLsmg_init_smg());
}
case SMG_REINIT_SMG: {
#if (SLANG_VERSION < 10400 )
return ret_int(port, -1);
#else
return ret_int(port, SLsmg_reinit_smg());
#endif
}
case SMG_RESET_SMG: {
SLsmg_reset_smg();
return 0;
}
case SMG_CHAR_AT: {
return ret_int(port, SLsmg_char_at());
}
case SMG_SET_SCREEN_START: {
int *ip1, *ip2;
*ip1 = get_int32(buf); buf+= 4;
*ip2 = get_int32(buf); buf+= 4;
SLsmg_set_screen_start(ip1, ip2);
return ret_int_int(port, *ip1, *ip2);
}
case SMG_DRAW_HLINE: {
x = get_int32(buf); buf+= 4;
SLsmg_draw_hline(x);
return 0;
}
case SMG_DRAW_VLINE: {
x = get_int32(buf); buf+= 4;
SLsmg_draw_vline(x);
return 0;
}
case SMG_DRAW_OBJECT: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
x = get_int32(buf); buf+= 4;
SLsmg_draw_object(x, y,z);
return 0;
}
case SMG_DRAW_BOX: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
SLsmg_draw_box(x, y,z,v);
return 0;
}
case SMG_GET_COLUMN: {
return ret_int(port, SLsmg_get_column());
}
case SMG_GET_ROW: {
return ret_int(port, SLsmg_get_row());
}
case SMG_FORWARD: {
x = get_int32(buf); buf+= 4;
SLsmg_forward(x);
return 0;
}
case SMG_WRITE_COLOR_CHARS: {
SLsmg_Char_Type * sl;
sl = decode_smg_char_type(&buf);
x = get_int32(buf); buf+= 4;
SLsmg_write_color_chars(sl, x);
return 0;
}
case SMG_READ_RAW: {
x = get_int32(buf); buf+= 4;
t1 = malloc((2*x) + 2 + 1);
y = SLsmg_read_raw((unsigned short*)t1 +1, x);
t1[1] = 1;
driver_output(port, t1, y+1);
free(t1);
return 0;
}
case SMG_WRITE_RAW: {
SLsmg_Char_Type * sl;
sl = decode_smg_char_type(&buf);
x = get_int32(buf);
y = SLsmg_write_raw(sl, x);
return ret_int(port, y);
}
case SMG_SET_COLOR_IN_REGION: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
w = get_int32(buf); buf+= 4;
SLsmg_set_color_in_region(x, y,z,v,w);
return 0;
}
/* all the tt_functions */
case TT_FLUSH_OUTPUT: {
ret = SLtt_flush_output();
return ret_int(port, ret);
}
case TT_SET_SCROLL_REGION: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_set_scroll_region(x, y);
return 0;
}
case TT_RESET_SCROLL_REGION: {
SLtt_reset_scroll_region();
return 0;
}
case TT_REVERSE_VIDEO: {
SLtt_reverse_video (get_int32(buf));
return 0;
}
case TT_BOLD_VIDEO: {
SLtt_begin_insert();
return 0;
}
case TT_BEGIN_INSERT: {
SLtt_begin_insert();
return 0;
}
case TT_END_INSERT: {
SLtt_end_insert();
return 0;
}
case TT_DEL_EOL: {
SLtt_del_eol();
return 0;
}
case TT_GOTO_RC: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_goto_rc (x, y);
return 0;
}
case TT_DELETE_NLINES: {
SLtt_delete_nlines(get_int32(buf));
return 0;
}
case TT_DELETE_CHAR: {
SLtt_delete_char();
return 0;
}
case TT_ERASE_LINE: {
SLtt_erase_line();
return 0;
}
case TT_NORMAL_VIDEO: {
SLtt_normal_video();
return 0;
}
case TT_CLS: {
SLtt_cls();
return 0;
}
case TT_BEEP: {
SLtt_beep();
return 0;
}
case TT_REVERSE_INDEX: {
SLtt_reverse_index(get_int32(buf));
return 0;
}
case TT_SMART_PUTS: {
SLsmg_Char_Type *t1 ;
SLsmg_Char_Type *t2;
t1 = decode_smg_char_type(&buf);
t2 = decode_smg_char_type(&buf);
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_smart_puts(t1, t2,x,y);
return 0;
}
case TT_WRITE_STRING: {
SLtt_write_string (buf);
return 0;
}
case TT_PUTCHAR: {
SLtt_putchar((char) get_int32(buf));
return 0;
}
case TT_INIT_VIDEO: {
ret = SLtt_init_video ();
return ret_int(port, ret);
}
case TT_RESET_VIDEO: {
SLtt_reset_video ();
return 0;
}
case TT_GET_TERMINFO: {
SLtt_get_terminfo();
return 0;
}
case TT_GET_SCREEN_SIZE: {
SLtt_get_screen_size ();
return 0;
}
case TT_SET_CURSOR_VISIBILITY: {
ret = SLtt_set_cursor_visibility (get_int32(buf));
return ret_int(port, ret);
}
case TT_SET_MOUSE_MODE: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
ret = SLtt_set_mouse_mode (x,y);
return ret_int(port, ret);
}
case TT_INITIALIZE: {
ret =SLtt_initialize (buf);
return ret_int(port, ret);
}
case TT_ENABLE_CURSOR_KEYS: {
SLtt_enable_cursor_keys();
return 0;
}
case TT_SET_TERM_VTXXX: {
return 0;
}
case TT_SET_COLOR_ESC: {
x = get_int32(buf); buf+=4;
SLtt_set_color_esc (x, buf);
return 0;
}
case TT_WIDE_WIDTH: {
SLtt_narrow_width();
return 0;
}
case TT_NARROW_WIDTH: {
SLtt_narrow_width();
return 0;
}
case TT_SET_ALT_CHAR_SET: {
SLtt_set_alt_char_set (get_int32(buf));
return 0;
}
case TT_WRITE_TO_STATUS_LINE: {
x = get_int32(buf); buf+=4;
SLtt_write_to_status_line (buf, x);
return 0;
}
case TT_DISABLE_STATUS_LINE: {
SLtt_disable_status_line ();
return 0;
}
case TT_TGETSTR: {
str = SLtt_tgetstr (buf);
return ret_string(port, str);
}
case TT_TGETNUM: {
x = SLtt_tgetnum (buf);
return ret_int(port, x);
}
case TT_TGETFLAG: {
x = SLtt_tgetflag (buf);
return ret_int(port, x);
}
case TT_TIGETENT: {
str = SLtt_tigetent (buf);
return ret_string(port, str);
}
case TT_TIGETSTR: {
return 0;
}
case TT_TIGETNUM: {
return 0;
}
case SLTT_GET_COLOR_OBJECT: {
x = get_int32(buf); buf+=4;
y = SLtt_get_color_object (x);
return ret_int(port, y);
return 0;
}
case TT_SET_COLOR_OBJECT: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_set_color_object (x, y);
return 0;
}
case TT_SET_COLOR: {
x = get_int32(buf); buf+=4;
t1 = buf;
t2 = buf + (strlen(t1) + 1);
t3 = buf + (strlen(t1) + strlen(t2) + 2);
SLtt_set_color (x, t1, t2, t3);
return 0;
}
case TT_SET_MONO: {
x = get_int32(buf); buf+=4;
t1 = buf;
buf += strlen(t1) + 1;
y = get_int32(buf);
SLtt_set_mono (x, t1, y);
return 0;
}
case TT_ADD_COLOR_ATTRIBUTE: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_add_color_attribute (x, y);
return 0;
}
case TT_SET_COLOR_FGBG: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
z = get_int32(buf); buf+=4;
SLtt_set_color_fgbg (x, y, z);
return 0;
}
case ISATTY: {
x = get_int32(buf); buf+=4;
return ret_int(port, isatty(x));
}
case EFORMAT: {
fprintf(stderr, "%s", buf);
fflush(stderr);
return 0;
}
case SIGNAL: {
x = get_int32(buf); buf+=4;
SLsignal(x_to_sig(x), sig_handler);
return 0;
}
case SIGNAL_CHECK: {
/* polled */
if (signal_cought != 0)
signal_cought = 0;
return ret_int(port, signal_cought);
}
default:
return 0;
}
}
/*
* Run a command from the menus.
*/
void RunCommand (Menu_Item_Type *i) {
char *command;
int must_redraw=0;
Conditional_String *cs=NULL;
Window_List_Type *this_window=CurrentWindow;
if (i->command[0] != '\0') { /* don't try to run a null command */
if (i->edit_flag) { /* edit command on fly */
cs=EditTags(i->command);
if (cs->ignore) { /* user hit escape */
free(cs->value);
free(cs);
return;
}
else { /* user hit enter */
command=malloc(strlen(cs->value)+1);
strcpy(command,cs->value);
free(cs->value);
free(cs);
}
}
else { /* don't edit command on fly */
command=malloc(strlen(i->command)+1);
strcpy(command,i->command);
}
#ifdef SETENV_FLAG_OK
if (i->setenv_flag) { /* a setenv command */
RunSetenv(command);
}
else
#endif
if (i->makemenu_flag) { /* process command output as rc file */
ReadRc(command,RC_PREPROC);
SanityCheckMenus();
/*
* make sure that all modified menus currently on screen
* get recalced.
*/
while (this_window) {
if (this_window->menu->recalc) {
CalcMenu(this_window->menu);
must_redraw=1;
}
this_window=this_window->last;
}
if (must_redraw)
DrawAll();
}
else if (i->truncate_flag) { /* display in a window and truncate */
RunShow(i->text,command,1);
}
else if (i->display_flag) { /* display in a window and wrap. */
RunShow(i->text,command,0);
}
else { /* normal display */
if (! i->noclear_flag) {
/* clear screen */
SLsmg_cls();
SLsmg_normal_video();
Screen_Reset();
#ifdef GPM_SUPPORT
EndMouse(); /* return to normal GPM/selection mode */
#endif
}
/*
* This is what the whole pdmenu program comes down to.
* The rest is fluff. ;-)
*/
/*
* start: Steve Blott ([email protected])
*
* add capability to exec() (rather than system()) a command, thereby
* replacing the current process; if the first word of command is
* "exec", then exec() it, otherwise system() it
*/
char *cp = command;
while (isspace(cp[0]))
cp++;
if ( strncmp(cp, "exec", 4) == 0 && isspace(cp[4]) )
{
char *cv[4]; /* command vector */
cv[0] = "sh";
cv[1] = "-c";
cv[2] = cp;
cv[3] = 0;
execvp(cv[0],cv);
/* should not reach here; if the execvp fails, then pdmenu will
* continue to run, silently ignoring the failure; if the execvp
* succeeds but the subsequent exec fails, then pdmenu will silently
* disappear (its process no longer exists), and no feedback will be
* received */
}
else
system(command);
if (! i->noclear_flag) { /* redraw screen */
Screen_Init();
if (i->pause_flag) { /* pause 1st */
printf("\n%s",_("Press Enter to return to Pdmenu."));
fflush(stdout); /* make sure above is displayed. */
/* Now wait for the keypress. */
while (1) {
int k;
k = SLang_getkey();
if (k == '\n' || k == '\r') {
break;
}
}
SLang_flush_input(); /* kill any buffered input */
printf("\n");
}
#ifdef GPM_SUPPORT
gpm_ok=InitMouse(); /* grab mouse pointer again. */
#endif
/*
* we need to account for the screen size changing behind our backs
* while the program was running.
*/
SetScreensize();
Resize_Screen();
DrawAll();
}
}
free(command);
}
}
