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top: prepare for more than two abreast summary display

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I guess the cat's out of the bag with the prior commit
message. It mentioned the objective of displaying more
than the current two cpu graphs on summary area lines.

On the way to that objective, this patch just prepares
our battlefield for the actual implementation in which
up to 8 individual cpu graphs will be shown on 1 line.

[ no logic has been impacted with this commit. we're ]
[ just adding one manifest constant, trading several ]
[ identifiers and updating some comments so the next ]
[ commit might be just a little bit more manageable. ]

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2022-09-10 00:00:00 -05:00 committed by Craig Small
parent 8c69e66a1a
commit 1c8028901e
2 changed files with 22 additions and 23 deletions
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43
src/top/top.c
View File

@ -224,13 +224,12 @@ static int Numa_node_sel = -1;
/* Support for Graphing of the View_STATES ('t') and View_MEMORY ('m')
commands -- which are now both 4-way toggles */
#define GRAPH_prefix 25 // beginning text + opening '['
#define GRAPH_actual 100 // the actual bars or blocks
#define GRAPH_minlen 10 // the actual bars or blocks
#define GRAPH_suffix 2 // ending ']' + trailing space
static float Graph_adj; // bars/blocks scaling factor
static int Graph_len; // scaled length (<= GRAPH_actual)
#define GRAPH_length_max 100 // the actual bars or blocks
#define GRAPH_length_min 10 // the actual bars or blocks
#define GRAPH_prefix_std 25 // '%Cpunnn: 100.0/100.0 100[' or 'nnn-nnn: 100.0/100.0 100['
#define GRAPH_suffix 2 // ending ] + trailing space
static float Graph_adj; // bars/blocks scaling factor
static int Graph_len; // scaled length (<= GRAPH_length_max)
static const char Graph_blks[] = " ";
static const char Graph_bars[] = "||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||";
@ -242,15 +241,15 @@ static const char Osel_window_fmts[] = "window #%d, osel_tot=%d\n";
static const char Osel_filterO_fmt[] = "\ttype=%d,\t" OSEL_FILTER "%s\n";
static const char Osel_filterI_fmt[] = "\ttype=%d,\t" OSEL_FILTER "%*s\n";
/* Support for 2 abreast display (if terminal is wide enough) */
/* Support for adjoining display (if terminal is wide enough) */
#ifdef TOG4_OFF_SEP
static char Double_sp[] = " ";
#define DOUBLE_space (sizeof(Double_sp) - 1)
static char Adjoin_sp[] = " ";
#define ADJOIN_space (sizeof(Adjoin_sp) - 1) // 1 for null
#else
static char Double_sp[] = " ~1 ~6 ";
#define DOUBLE_space (sizeof(Double_sp) - 5) // 1 for null, 4 unprintable
static char Adjoin_sp[] = " ~1 ~6 ";
#define ADJOIN_space (sizeof(Adjoin_sp) - 5) // 1 for null + 4 unprintable
#endif
#define DOUBLE_limit (int)( 80 )
#define ADJOIN_limit 1
/* Support for the new library API -- acquired (if necessary)
at program startup and referenced throughout our lifetime. */
@ -2071,15 +2070,15 @@ static void adj_geometry (void) {
// prepare to customize potential cpu/memory graphs
if (Curwin->rc.double_up) {
Graph_len = (Screen_cols - DOUBLE_space - (2 * (GRAPH_prefix + GRAPH_suffix))) / 2;
Graph_len = (Screen_cols - ADJOIN_space - (2 * (GRAPH_prefix_std + GRAPH_suffix))) / 2;
Graph_len += (Screen_cols % 2) ? 0 : 1;
} else {
Graph_len = Screen_cols - (GRAPH_prefix + GRAPH_actual + GRAPH_suffix);
if (Graph_len >= 0) Graph_len = GRAPH_actual;
else Graph_len = Screen_cols - GRAPH_prefix - GRAPH_suffix;
Graph_len = Screen_cols - (GRAPH_prefix_std + GRAPH_length_max + GRAPH_suffix);
if (Graph_len >= 0) Graph_len = GRAPH_length_max;
else Graph_len = Screen_cols - GRAPH_prefix_std - GRAPH_suffix;
}
if (Graph_len < GRAPH_minlen) Graph_len = GRAPH_minlen;
if (Graph_len > GRAPH_actual) Graph_len = GRAPH_actual;
if (Graph_len < GRAPH_length_min) Graph_len = GRAPH_length_min;
if (Graph_len > GRAPH_length_max) Graph_len = GRAPH_length_max;
Graph_adj = (float)Graph_len / 100.0;
fflush(stdout);
@ -3948,7 +3947,7 @@ static const char *configs_file (FILE *fp, const char *name, float *delay) {
return p;
if (w->rc.graph_mems < 0 || w->rc.graph_mems > 2)
return p;
if (w->rc.double_up < 0 || w->rc.double_up > 1)
if (w->rc.double_up < 0 || w->rc.double_up > ADJOIN_limit)
return p;
// can't check upper bounds until Cpu_cnt is known
if (w->rc.combine_cpus < 0)
@ -6172,7 +6171,7 @@ static struct rx_st *sum_rx (long total, long part1, long part2, int style) {
/*
* A *Helper* function to show summary information for up to 2 lines |
* A *Helper* function to show multiple lines of summary information |
* as a single line. We return the number of lines actually printed. | */
static inline int sum_see (const char *str, int nobuf) {
static char row[ROWMINSIZ];
@ -6183,7 +6182,7 @@ static inline int sum_see (const char *str, int nobuf) {
if (Curwin->rc.double_up
&& (!nobuf)
&& (!tog)) {
scat(p, Double_sp);
scat(p, Adjoin_sp);
tog = 1;
return 0;
}

2
src/top/top.h
View File

@ -320,7 +320,7 @@ typedef struct RCW_t { // the 'window' portion of an rcfile
maxtasks, // user requested maximum, 0 equals all
graph_cpus, // 't' - View_STATES supplementary vals
graph_mems, // 'm' - View_MEMORY supplememtary vals
double_up, // '4' - show individual cpus 2 abreast
double_up, // '4' - show multiple cpus on one line
combine_cpus, // '!' - keep combining additional cpus
summclr, // a colors 'number' used for summ info
msgsclr, // " in msgs/pmts