int main(int argc, char *argv[]) {
int i = 0;
char *cmd = argv[++i];
char *str;
if (argc < 2) {
fprintf(stderr, "Missing function\n");
return 2;
}
else if (streq(cmd, "next")) {
if (argc < 3)
return 2;
str = argv[++i];
return next_item(str, 0);
}
else if (streq(cmd, "nextw")) {
if (argc < 3)
return 2;
str = argv[++i];
return next_item(str, 1);
}
else if (streq(cmd, "prev")) {
if (argc != 3)
return 2;
str = argv[++i];
return prev_item(str, 0);
}
else if (streq(cmd, "prevw")) {
if (argc != 3)
return 2;
str = argv[++i];
return prev_item(str, 1);
}
else if (streq(cmd, "rstrip")) {
if (argc != 3)
return 2;
str = argv[++i];
return strip_tail(str);
}
else {
fprintf(stderr, "Unknown function '%s'\n", cmd);
return 2;
}
}
/*
* output
*/
static enum mad_flow output(void *data,
struct mad_header const *header,
struct mad_pcm *pcm)
{
unsigned int nsamples;
mad_fixed_t const *left_ch, *right_ch;
switch (mp3_state()) {
case MP3_PAUSE:
mp3_wait_state(MP3_EXIT_PAUSE);
if (mp3_check_state(MP3_PLAY) != MP3_PLAY) {
return MAD_FLOW_STOP; /* JDH - skip to end of while loop to re-parse non-MP3_PLAY state */
}
mp3_set_state(MP3_PLAYING);
break;
case MP3_NEXT:
next_item();
return MAD_FLOW_STOP;
case MP3_BACK:
prev_item();
return MAD_FLOW_STOP;
case MP3_STOP:
return MAD_FLOW_STOP;
default:
break;
}
/* nchannels = pcm->channels; assume 2 */
nsamples = pcm->length;
left_ch = pcm->samples[0];
right_ch = pcm->samples[1];
while (nsamples--) {
int sample;
sample = scale(*left_ch++) << 16;
sample |= scale(*right_ch++) & 0xFFFF;
write (out, &sample, sizeof(sample));
}
return MAD_FLOW_CONTINUE;
}
static void fold(void)
{
item_t *intf = get_current_item();
node_t *node = get_current_node();
int fix = 0;
if (NULL == intf || NULL == node)
return;
if (intf->i_flags & ITEM_FLAG_IS_CHILD)
fix = 1;
while (intf->i_flags & ITEM_FLAG_IS_CHILD)
intf = get_item(node, intf->i_parent);
if (intf->i_flags & ITEM_FLAG_FOLDED)
intf->i_flags &= ~ITEM_FLAG_FOLDED;
else
intf->i_flags |= ITEM_FLAG_FOLDED;
if (fix)
prev_item();
}
/*
* This is an alternate interface to 'buildlist' which allows the application
* to read the list item states back directly without putting them in the
* output buffer.
*/
int
dlg_buildlist(const char *title,
const char *cprompt,
int height,
int width,
int list_height,
int item_no,
DIALOG_LISTITEM * items,
const char *states,
int order_mode,
int *current_item)
{
/* *INDENT-OFF* */
static DLG_KEYS_BINDING binding[] = {
HELPKEY_BINDINGS,
ENTERKEY_BINDINGS,
DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ),
DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ),
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ),
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ),
DLG_KEYS_DATA( DLGK_ITEM_FIRST, KEY_HOME ),
DLG_KEYS_DATA( DLGK_ITEM_LAST, KEY_END ),
DLG_KEYS_DATA( DLGK_ITEM_LAST, KEY_LL ),
DLG_KEYS_DATA( DLGK_ITEM_NEXT, '+' ),
DLG_KEYS_DATA( DLGK_ITEM_NEXT, KEY_DOWN ),
DLG_KEYS_DATA( DLGK_ITEM_NEXT, CHR_NEXT ),
DLG_KEYS_DATA( DLGK_ITEM_PREV, '-' ),
DLG_KEYS_DATA( DLGK_ITEM_PREV, KEY_UP ),
DLG_KEYS_DATA( DLGK_ITEM_PREV, CHR_PREVIOUS ),
DLG_KEYS_DATA( DLGK_PAGE_NEXT, KEY_NPAGE ),
DLG_KEYS_DATA( DLGK_PAGE_NEXT, DLGK_MOUSE(KEY_NPAGE) ),
DLG_KEYS_DATA( DLGK_PAGE_NEXT, DLGK_MOUSE(KEY_NPAGE+KEY_MAX) ),
DLG_KEYS_DATA( DLGK_PAGE_PREV, KEY_PPAGE ),
DLG_KEYS_DATA( DLGK_PAGE_PREV, DLGK_MOUSE(KEY_PPAGE) ),
DLG_KEYS_DATA( DLGK_PAGE_PREV, DLGK_MOUSE(KEY_PPAGE+KEY_MAX) ),
DLG_KEYS_DATA( DLGK_GRID_LEFT, KEY_LEFTCOL ),
DLG_KEYS_DATA( DLGK_GRID_RIGHT, KEY_RIGHTCOL ),
END_KEYS_BINDING
};
/* *INDENT-ON* */
#ifdef KEY_RESIZE
int old_height = height;
int old_width = width;
#endif
ALL_DATA all;
MY_DATA *data = all.list;
int i, j, k, key2, found, x, y, cur_x, cur_y;
int key = 0, fkey;
bool save_visit = dialog_state.visit_items;
int button;
int cur_item;
int was_mouse;
int name_width, text_width, full_width, list_width;
int result = DLG_EXIT_UNKNOWN;
int num_states;
bool first = TRUE;
WINDOW *dialog;
char *prompt = dlg_strclone(cprompt);
const char **buttons = dlg_ok_labels();
const char *widget_name = "buildlist";
(void) order_mode;
/*
* Unlike other uses of --visit-items, we have two windows to visit.
*/
if (dialog_state.visit_cols)
dialog_state.visit_cols = 2;
memset(&all, 0, sizeof(all));
all.items = items;
all.item_no = item_no;
if (dialog_vars.default_item != 0) {
cur_item = dlg_default_listitem(items);
} else {
if ((cur_item = first_item(&all, 0)) < 0)
cur_item = first_item(&all, 1);
}
button = (dialog_state.visit_items
? (items[cur_item].state ? sRIGHT : sLEFT)
: dlg_default_button());
dlg_does_output();
dlg_tab_correct_str(prompt);
#ifdef KEY_RESIZE
retry:
#endif
all.use_height = list_height;
all.use_width = (2 * (dlg_calc_list_width(item_no, items)
+ 4
+ 2 * MARGIN)
+ 1);
all.use_width = MAX(26, all.use_width);
if (all.use_height == 0) {
/* calculate height without items (4) */
dlg_auto_size(title, prompt, &height, &width, MIN_HIGH, all.use_width);
dlg_calc_listh(&height, &all.use_height, item_no);
} else {
dlg_auto_size(title, prompt,
&height, &width,
MIN_HIGH + all.use_height, all.use_width);
}
dlg_button_layout(buttons, &width);
dlg_print_size(height, width);
dlg_ctl_size(height, width);
/* we need at least two states */
if (states == 0 || strlen(states) < 2)
states = " *";
num_states = (int) strlen(states);
x = dlg_box_x_ordinate(width);
y = dlg_box_y_ordinate(height);
dialog = dlg_new_window(height, width, y, x);
dlg_register_window(dialog, widget_name, binding);
dlg_register_buttons(dialog, widget_name, buttons);
dlg_mouse_setbase(all.base_x = x, all.base_y = y);
dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
dlg_draw_title(dialog, title);
(void) wattrset(dialog, dialog_attr);
dlg_print_autowrap(dialog, prompt, height, width);
list_width = (width - 6 * MARGIN - 2) / 2;
getyx(dialog, cur_y, cur_x);
data[0].box_y = cur_y + 1;
data[0].box_x = MARGIN + 1;
data[1].box_y = cur_y + 1;
data[1].box_x = data[0].box_x + 1 + 2 * MARGIN + list_width;
/*
* After displaying the prompt, we know how much space we really have.
* Limit the list to avoid overwriting the ok-button.
*/
if (all.use_height + MIN_HIGH > height - cur_y)
all.use_height = height - MIN_HIGH - cur_y;
if (all.use_height <= 0)
all.use_height = 1;
for (k = 0; k < 2; ++k) {
/* create new window for the list */
data[k].win = dlg_sub_window(dialog, all.use_height, list_width,
y + data[k].box_y + 1,
x + data[k].box_x + 1);
/* draw a box around the list items */
dlg_draw_box(dialog, data[k].box_y, data[k].box_x,
all.use_height + 2 * MARGIN,
list_width + 2 * MARGIN,
menubox_border_attr, menubox_border2_attr);
}
text_width = 0;
name_width = 0;
/* Find length of longest item to center buildlist */
for (i = 0; i < item_no; i++) {
text_width = MAX(text_width, dlg_count_columns(items[i].text));
name_width = MAX(name_width, dlg_count_columns(items[i].name));
}
/* If the name+text is wider than the list is allowed, then truncate
* one or both of them. If the name is no wider than 1/4 of the list,
* leave it intact.
*/
all.use_width = (list_width - 6 * MARGIN);
if (dialog_vars.no_tags && !dialog_vars.no_items) {
full_width = MIN(all.use_width, text_width);
} else if (dialog_vars.no_items) {
full_width = MIN(all.use_width, name_width);
} else {
if (text_width >= 0
&& name_width >= 0
&& all.use_width > 0
&& text_width + name_width > all.use_width) {
int need = (int) (0.25 * all.use_width);
if (name_width > need) {
int want = (int) (all.use_width * ((double) name_width) /
(text_width + name_width));
name_width = (want > need) ? want : need;
}
text_width = all.use_width - name_width;
}
full_width = text_width + name_width;
}
all.check_x = (all.use_width - full_width) / 2;
all.item_x = ((dialog_vars.no_tags
? 0
: (dialog_vars.no_items
? 0
: (name_width + 2)))
+ all.check_x);
/* ensure we are scrolled to show the current choice */
j = MIN(all.use_height, item_no);
for (i = 0; i < 2; ++i) {
int top_item = 0;
if ((items[cur_item].state != 0) == i) {
top_item = cur_item - j + 1;
if (top_item < 0)
top_item = 0;
set_top_item(&all, top_item, i);
} else {
set_top_item(&all, 0, i);
}
}
/* register the new window, along with its borders */
for (i = 0; i < 2; ++i) {
dlg_mouse_mkbigregion(data[i].box_y + 1,
data[i].box_x,
all.use_height,
list_width + 2,
2 * KEY_MAX + (i * (1 + all.use_height)),
1, 1, 1 /* by lines */ );
}
dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width);
while (result == DLG_EXIT_UNKNOWN) {
int which = (items[cur_item].state != 0);
MY_DATA *moi = data + which;
int at_top = index2row(&all, moi->top_index, which);
int at_end = index2row(&all, -1, which);
int at_bot = skip_rows(&all, at_top, all.use_height, which);
dlg_trace_msg("\t** state %d:%d top %d (%d:%d:%d) %d\n",
cur_item, item_no - 1,
moi->top_index,
at_top, at_bot, at_end,
which);
if (first) {
print_both(&all, cur_item);
dlg_trace_win(dialog);
first = FALSE;
}
if (button < 0) { /* --visit-items */
int cur_row = index2row(&all, cur_item, which);
cur_y = (data[which].box_y
+ cur_row
+ 1);
if (at_top > 0)
cur_y -= at_top;
cur_x = (data[which].box_x
+ all.check_x + 1);
dlg_trace_msg("\t...visit row %d (%d,%d)\n", cur_row, cur_y, cur_x);
wmove(dialog, cur_y, cur_x);
}
key = dlg_mouse_wgetch(dialog, &fkey);
if (dlg_result_key(key, fkey, &result))
break;
was_mouse = (fkey && is_DLGK_MOUSE(key));
if (was_mouse)
key -= M_EVENT;
if (!was_mouse) {
;
} else if (key >= 2 * KEY_MAX) {
i = (key - 2 * KEY_MAX) % (1 + all.use_height);
j = (key - 2 * KEY_MAX) / (1 + all.use_height);
k = row2index(&all, i + at_top, j);
dlg_trace_msg("MOUSE column %d, row %d ->item %d\n", j, i, k);
if (k >= 0 && j < 2) {
if (j != which) {
/*
* Mouse click was in the other column.
*/
moi = data + j;
fix_top_item(&all, k, j);
}
which = j;
at_top = index2row(&all, moi->top_index, which);
at_bot = skip_rows(&all, at_top, all.use_height, which);
cur_item = k;
print_both(&all, cur_item);
key = KEY_TOGGLE; /* force the selected item to toggle */
} else {
beep();
continue;
}
fkey = FALSE;
} else if (key >= KEY_MIN) {
if (key > KEY_MAX) {
if (which == 0) {
key = KEY_RIGHTCOL; /* switch to right-column */
fkey = FALSE;
} else {
key -= KEY_MAX;
}
} else {
if (which == 1) {
key = KEY_LEFTCOL; /* switch to left-column */
fkey = FALSE;
}
}
key = dlg_lookup_key(dialog, key, &fkey);
}
/*
* A space toggles the item status. Normally we put the cursor on
* the next available item in the same column. But if there are no
* more items in the column, move the cursor to the other column.
*/
if (key == KEY_TOGGLE) {
int new_choice;
int new_state = items[cur_item].state + 1;
if ((new_choice = next_item(&all, cur_item, which)) == cur_item) {
new_choice = prev_item(&all, cur_item, which);
}
dlg_trace_msg("cur_item %d, new_choice:%d\n", cur_item, new_choice);
if (new_state >= num_states)
new_state = 0;
items[cur_item].state = new_state;
if (cur_item == moi->top_index) {
set_top_item(&all, new_choice, which);
}
if (new_choice >= 0) {
fix_top_item(&all, cur_item, !which);
cur_item = new_choice;
}
print_both(&all, cur_item);
dlg_trace_win(dialog);
continue; /* wait for another key press */
}
/*
* Check if key pressed matches first character of any item tag in
* list. If there is more than one match, we will cycle through
* each one as the same key is pressed repeatedly.
*/
found = FALSE;
if (!fkey) {
if (button < 0 || !dialog_state.visit_items) {
for (j = cur_item + 1; j < item_no; j++) {
if (check_hotkey(items, j, which)) {
found = TRUE;
i = j;
break;
}
}
if (!found) {
for (j = 0; j <= cur_item; j++) {
if (check_hotkey(items, j, which)) {
found = TRUE;
i = j;
break;
}
}
}
if (found)
dlg_flush_getc();
} else if ((j = dlg_char_to_button(key, buttons)) >= 0) {
button = j;
ungetch('\n');
continue;
}
}
/*
* A single digit (1-9) positions the selection to that line in the
* current screen.
*/
if (!found
&& (key <= '9')
&& (key > '0')
&& (key - '1' < at_bot)) {
found = TRUE;
i = key - '1';
}
if (!found && fkey) {
switch (key) {
case DLGK_FIELD_PREV:
if ((button == sRIGHT) && dialog_state.visit_items) {
key = DLGK_GRID_LEFT;
button = sLEFT;
} else {
button = dlg_prev_button(buttons, button);
dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
FALSE, width);
if (button == sRIGHT) {
key = DLGK_GRID_RIGHT;
} else {
continue;
}
}
break;
case DLGK_FIELD_NEXT:
if ((button == sLEFT) && dialog_state.visit_items) {
key = DLGK_GRID_RIGHT;
button = sRIGHT;
} else {
button = dlg_next_button(buttons, button);
dlg_draw_buttons(dialog, height - 2, 0, buttons, button,
FALSE, width);
if (button == sLEFT) {
key = DLGK_GRID_LEFT;
} else {
continue;
}
}
break;
}
}
if (!found && fkey) {
i = cur_item;
found = TRUE;
switch (key) {
case DLGK_GRID_LEFT:
i = closest_item(&all, cur_item, 0);
fix_top_item(&all, i, 0);
break;
case DLGK_GRID_RIGHT:
i = closest_item(&all, cur_item, 1);
fix_top_item(&all, i, 1);
break;
case DLGK_PAGE_PREV:
if (cur_item > moi->top_index) {
i = moi->top_index;
} else if (moi->top_index != 0) {
int temp = at_top;
if ((temp -= all.use_height) < 0)
temp = 0;
i = row2index(&all, temp, which);
}
break;
case DLGK_PAGE_NEXT:
if ((at_end - at_bot) < all.use_height) {
i = next_item(&all,
row2index(&all, at_end, which),
which);
} else {
i = next_item(&all,
row2index(&all, at_bot, which),
which);
at_top = at_bot;
set_top_item(&all,
next_item(&all,
row2index(&all, at_top, which),
which),
which);
at_bot = skip_rows(&all, at_top, all.use_height, which);
at_bot = MIN(at_bot, at_end);
}
break;
case DLGK_ITEM_FIRST:
i = first_item(&all, which);
break;
case DLGK_ITEM_LAST:
i = last_item(&all, which);
break;
case DLGK_ITEM_PREV:
i = prev_item(&all, cur_item, which);
if (stop_prev(&all, cur_item, which))
continue;
break;
case DLGK_ITEM_NEXT:
i = next_item(&all, cur_item, which);
break;
default:
found = FALSE;
break;
}
}
if (found) {
if (i != cur_item) {
int now_at = index2row(&all, i, which);
int oops = item_no;
int old_item;
dlg_trace_msg("<--CHOICE %d\n", i);
dlg_trace_msg("<--topITM %d\n", moi->top_index);
dlg_trace_msg("<--now_at %d\n", now_at);
dlg_trace_msg("<--at_top %d\n", at_top);
dlg_trace_msg("<--at_bot %d\n", at_bot);
if (now_at >= at_bot) {
while (now_at >= at_bot) {
if ((at_bot - at_top) >= all.use_height) {
set_top_item(&all,
next_item(&all, moi->top_index, which),
which);
}
at_top = index2row(&all, moi->top_index, which);
at_bot = skip_rows(&all, at_top, all.use_height, which);
dlg_trace_msg("...at_bot %d (now %d vs %d)\n",
at_bot, now_at, at_end);
dlg_trace_msg("...topITM %d\n", moi->top_index);
dlg_trace_msg("...at_top %d (diff %d)\n", at_top,
at_bot - at_top);
if (at_bot >= at_end) {
/*
* If we bumped into the end, move the top-item
* down by one line so that we can display the
* last item in the list.
*/
if ((at_bot - at_top) > all.use_height) {
set_top_item(&all,
next_item(&all, moi->top_index, which),
which);
} else if (at_top > 0 &&
(at_bot - at_top) >= all.use_height) {
set_top_item(&all,
next_item(&all, moi->top_index, which),
which);
}
break;
}
if (--oops < 0) {
dlg_trace_msg("OOPS-forward\n");
break;
}
}
} else if (now_at < at_top) {
while (now_at < at_top) {
old_item = moi->top_index;
set_top_item(&all,
prev_item(&all, moi->top_index, which),
which);
at_top = index2row(&all, moi->top_index, which);
dlg_trace_msg("...at_top %d (now %d)\n", at_top, now_at);
dlg_trace_msg("...topITM %d\n", moi->top_index);
if (moi->top_index >= old_item)
break;
if (at_top <= now_at)
break;
if (--oops < 0) {
dlg_trace_msg("OOPS-backward\n");
break;
}
}
}
dlg_trace_msg("-->now_at %d\n", now_at);
cur_item = i;
print_both(&all, cur_item);
}
dlg_trace_win(dialog);
continue; /* wait for another key press */
}
if (fkey) {
switch (key) {
case DLGK_ENTER:
result = dlg_enter_buttoncode(button);
break;
#ifdef KEY_RESIZE
case KEY_RESIZE:
/* reset data */
height = old_height;
width = old_width;
/* repaint */
dlg_clear();
dlg_del_window(dialog);
refresh();
dlg_mouse_free_regions();
goto retry;
#endif
default:
if (was_mouse) {
if ((key2 = dlg_ok_buttoncode(key)) >= 0) {
result = key2;
break;
}
beep();
}
}
} else {
beep();
}
}
dialog_state.visit_cols = save_visit;
dlg_del_window(dialog);
dlg_mouse_free_regions();
free(prompt);
*current_item = cur_item;
return result;
}
/*
* Return true if the given choice is on the first page in the current column.
*/
static bool
stop_prev(ALL_DATA * data, int choice, int selected)
{
return (prev_item(data, choice, selected) == choice);
}
static int handle_input(int ch)
{
switch (ch)
{
case 'q':
quit_mode = quit_mode ? 0 : 1;
return 1;
case 0x1b:
quit_mode = 0;
print_help = 0;
return 1;
case 'y':
if (quit_mode)
exit(0);
break;
case 'a':
next_attr();
return 1;
case 'n':
if (quit_mode)
quit_mode = 0;
else
new_graph();
return 1;
case 'x':
del_graph();
return 1;
case 'f':
fold();
return 1;
case 12:
case KEY_CLEAR:
#ifdef HAVE_REDRAWWIN
redrawwin(stdscr);
#endif
clear();
return 1;
case 'c':
c_combined_node_list = c_combined_node_list ? 0 : 1;
return 1;
case 'S':
clear();
set_graph_unit(X_SEC);
return 1;
case 'M':
clear();
set_graph_unit(X_MIN);
return 1;
case 'H':
clear();
set_graph_unit(X_HOUR);
return 1;
case 'D':
clear();
set_graph_unit(X_DAY);
return 1;
case 'R':
clear();
set_graph_unit(X_READ);
return 1;
case '?':
clear();
print_help = print_help ? 0 : 1;
return 1;
case 'g':
c_graphical_in_list = c_graphical_in_list ? 0 : 1;
return 1;
case 'd':
c_detailed_in_list = c_detailed_in_list ? 0 : 1;
return 1;
case 'l':
c_list_in_list = c_list_in_list ? 0 : 1;
return 1;
case KEY_PPAGE:
if (print_help)
help_page = help_page ? 0 : 1;
else
prev_node();
return 1;
case KEY_NPAGE:
if (print_help)
help_page = help_page ? 0 : 1;
else
next_node();
return 1;
case KEY_DOWN:
if (next_item() == END_OF_LIST) {
if (next_node() != END_OF_LIST)
first_item();
}
return 1;
case KEY_UP:
if (prev_item() == END_OF_LIST) {
if (prev_node() != END_OF_LIST)
last_item();
}
return 1;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
goto_item(ch - 48);
return 1;
case '>':
next_graph();
return 1;
case '<':
prev_graph();
return 1;
default:
if (get_current_item())
if (handle_bindings(ch, get_current_item()->i_name))
return 1;
break;
}
return 0;
}