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top: add a visual separator to lines printed 2 abreast

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When the '4' toggle is on, and Summary Area %Cpu lines
are shown two abreast, it's not always clear where the
separation is between the two processors. So with this
patch we'll now print a vertical bar separator between
them (looking similar to the existing field headings).

We will also reduce that 'GRAPH_suffix' constant to 1,
reflecting the the trailing ']' bracket only, so as to
maximize top's exploitation of available screen width.

[ plus a superfluous double '+ +' has now been fixed ]

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner
2021-08-05 00:00:00 -05:00
committed by Craig Small
parent d19ee838a6
commit c725207c44
2 changed files with 9 additions and 3 deletions
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11
top/top.c
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@@ -224,7 +224,7 @@ static int Numa_node_sel = -1;
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_suffix 2 // ending ']' + trailing space
#define GRAPH_suffix 1 // ending ']'
static float Graph_adj; // bars/blocks scaling factor
static int Graph_len; // scaled length (<= GRAPH_actual)
static const char Graph_blks[] = " ";
@@ -239,8 +239,13 @@ 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 Cpu display (if terminal is wide enough) */
static char Double_sp[] = " ";
#ifdef TOG4_OFF_SEP
static char Double_sp[] = " ";
#define DOUBLE_space (sizeof(Double_sp) - 1)
#else
static char Double_sp[] = " ~1 ~6 ";
#define DOUBLE_space (sizeof(Double_sp) - 5) // 1 for null, 4 unprintable
#endif
#ifdef TOG4_NOTRUNC
#define DOUBLE_limit (160 + DOUBLE_space)
#else
@@ -1968,7 +1973,7 @@ static void adj_geometry (void) {
else Graph_len = 80 - GRAPH_prefix - GRAPH_suffix;
if (Screen_cols < DOUBLE_limit) Curwin->rc.double_up = 0;
if (Curwin->rc.double_up) {
Graph_len = (Screen_cols - DOUBLE_space - (2 * (GRAPH_prefix + + GRAPH_suffix))) / 2;
Graph_len = (Screen_cols - DOUBLE_space - (2 * (GRAPH_prefix + GRAPH_suffix))) / 2;
if (Graph_len > GRAPH_actual) Graph_len = GRAPH_actual;
}
Graph_adj = (float)Graph_len / 100.0;

1
top/top.h
View File

@@ -56,6 +56,7 @@
//#define TERMIOS_ONLY /* just limp along with native input only */
//#define TOG4_NOFORCE /* no force 2 abreast mode with '4' toggle */
//#define TOG4_NOTRUNC /* ensure no truncation in 2 abreast mode */
//#define TOG4_OFF_SEP /* don't show two abreast visual separator */
//#define TREE_FOCUS_X /* 'F' resets forest view indentation to 0 */
//#define TREE_NORESET /* sort keys do NOT force forest view OFF */
//#define TREE_SCANALL /* rescan array w/ forest view, avoid sort */