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spdk_top: add help pop-up window

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Adds help pop-up window with descriptions for each menu entry.

Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Change-Id: Ic622d30e24ba0b071254577c31829be235cdb0fc
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6142
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Krzysztof Karas 2021-01-26 11:30:37 +01:00 committed by Jim Harris
parent dd2b935dc4
commit 9d54193c70
1 changed files with 92 additions and 0 deletions
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92
app/spdk_top/spdk_top.c
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@ -100,6 +100,8 @@
#define POLLER_WIN_WIDTH 64
#define POLLER_WIN_FIRST_COL 14
#define FIRST_DATA_ROW 7
#define HELP_WIN_WIDTH 88
#define HELP_WIN_HEIGHT 22
enum tabs {
THREADS_TAB,
@ -2436,6 +2438,92 @@ data_thread_routine(void *arg)
return NULL;
}
static void
help_window_display(void)
{
PANEL *help_panel;
WINDOW *help_win;
bool stop_loop = false;
int c;
uint64_t row = 1, col = 2, desc_second_row_col = 26, header_footer_col = 0;
help_win = newwin(HELP_WIN_HEIGHT, HELP_WIN_WIDTH,
get_position_for_window(HELP_WIN_HEIGHT, g_max_row),
get_position_for_window(HELP_WIN_WIDTH, g_max_col));
help_panel = new_panel(help_win);
top_panel(help_panel);
update_panels();
doupdate();
box(help_win, 0, 0);
/* Header */
print_in_middle(help_win, row, header_footer_col, HELP_WIN_WIDTH, "HELP", COLOR_PAIR(3));
mvwhline(help_win, 2, 1, ACS_HLINE, HELP_WIN_WIDTH - 2);
mvwaddch(help_win, 2, HELP_WIN_WIDTH, ACS_RTEE);
row = 3;
/* Content */
print_left(help_win, row, col, HELP_WIN_WIDTH, "MENU options", COLOR_PAIR(5));
print_left(help_win, ++row, ++col, HELP_WIN_WIDTH, "[q] Quit - quit this application",
COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Tab] Next tab - switch to next tab", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[1-3] Select tab - switch to THREADS, POLLERS or CORES tab", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[PgUp] Previous page - scroll up to previous page", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[PgDown] Next page - scroll down to next page", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Up] Arrow key - go to previous data row", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Down] Arrow key - go to next data row", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[c] Columns - choose data columns to display", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[s] Sorting - change sorting by column", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[r] Refresh rate - set refresh rate <0, 255> in seconds", COLOR_PAIR(10));
print_left(help_win, ++row, desc_second_row_col, HELP_WIN_WIDTH, "that value in seconds",
COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[Enter] Item details - show current data row details (Enter to open, Esc to close)",
COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH,
"[t] Total/Interval - switch to display data measured from the start of SPDK", COLOR_PAIR(10));
print_left(help_win, ++row, desc_second_row_col, HELP_WIN_WIDTH,
"application or last refresh", COLOR_PAIR(10));
print_left(help_win, ++row, col, HELP_WIN_WIDTH, "[h] Help - show this help window",
COLOR_PAIR(10));
/* Footer */
mvwhline(help_win, HELP_WIN_HEIGHT - 3, 1, ACS_HLINE, HELP_WIN_WIDTH - 2);
mvwaddch(help_win, HELP_WIN_HEIGHT - 3, HELP_WIN_WIDTH, ACS_RTEE);
print_in_middle(help_win, HELP_WIN_HEIGHT - 2, header_footer_col, HELP_WIN_WIDTH,
"[Esc] Close this window", COLOR_PAIR(10));
refresh();
wrefresh(help_win);
while (!stop_loop) {
c = wgetch(help_win);
switch (c) {
case 27: /* ESC */
stop_loop = true;
break;
default:
break;
}
}
del_panel(help_panel);
delwin(help_win);
}
static void
show_stats(pthread_t *data_thread)
{
@ -2562,6 +2650,9 @@ show_stats(pthread_t *data_thread)
show_poller(current_page);
}
break;
case 'h':
help_window_display();
break;
default:
force_refresh = false;
break;
@ -2638,6 +2729,7 @@ setup_ncurses(void)
init_pair(7, COLOR_BLUE, COLOR_BLACK);
init_pair(8, COLOR_RED, COLOR_WHITE);
init_pair(9, COLOR_BLUE, COLOR_WHITE);
init_pair(10, COLOR_WHITE, COLOR_BLACK);
if (has_colors() == FALSE) {
endwin();