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authorLennart Poettering <lennart@poettering.net>2015-09-19 00:45:05 +0200
committerLennart Poettering <lennart@poettering.net>2015-09-22 16:30:42 +0200
commit1fc464f6fbecfc5d8ba9f7b98d19e21fb324bfb9 (patch)
treecab3dbcc5f1c9bd4bde7601cf2163f7fa73ae860 /src/cgtop/cgtop.c
parent3ade55d31b6154e4da184dd08ad76ae1ea285f22 (diff)
cgtop: underline table header
Let's underline the header line of the table shown by cgtop, how it is customary for tables. In order to do this, let's introduce new ANSI underline macros, and clean up the existing ones as side effect.
Diffstat (limited to 'src/cgtop/cgtop.c')
-rw-r--r--src/cgtop/cgtop.c44
1 files changed, 25 insertions, 19 deletions
diff --git a/src/cgtop/cgtop.c b/src/cgtop/cgtop.c
index 1307a34ab7..9e1af4ec7a 100644
--- a/src/cgtop/cgtop.c
+++ b/src/cgtop/cgtop.c
@@ -528,9 +528,6 @@ static int group_compare(const void*a, const void *b) {
return path_compare(x->path, y->path);
}
-#define ON ANSI_HIGHLIGHT_ON
-#define OFF ANSI_HIGHLIGHT_OFF
-
static void display(Hashmap *a) {
Iterator i;
Group *g;
@@ -541,10 +538,8 @@ static void display(Hashmap *a) {
assert(a);
- /* Set cursor to top left corner and clear screen */
if (on_tty())
- fputs("\033[H"
- "\033[2J", stdout);
+ fputs(ANSI_HOME_CLEAR, stdout);
array = alloca(sizeof(Group*) * hashmap_size(a));
@@ -576,23 +571,30 @@ static void display(Hashmap *a) {
rows = 10;
if (on_tty()) {
+ const char *on, *off;
+
path_columns = columns() - 36 - strlen(buffer);
if (path_columns < 10)
path_columns = 10;
- printf("%s%-*s%s %s%7s%s %s%s%s %s%8s%s %s%8s%s %s%8s%s\n\n",
- arg_order == ORDER_PATH ? ON : "", path_columns, "Control Group",
- arg_order == ORDER_PATH ? OFF : "",
- arg_order == ORDER_TASKS ? ON : "", arg_count == COUNT_PIDS ? "Tasks" : arg_count == COUNT_USERSPACE_PROCESSES ? "Procs" : "Proc+",
- arg_order == ORDER_TASKS ? OFF : "",
- arg_order == ORDER_CPU ? ON : "", buffer,
- arg_order == ORDER_CPU ? OFF : "",
- arg_order == ORDER_MEMORY ? ON : "", "Memory",
- arg_order == ORDER_MEMORY ? OFF : "",
- arg_order == ORDER_IO ? ON : "", "Input/s",
- arg_order == ORDER_IO ? OFF : "",
- arg_order == ORDER_IO ? ON : "", "Output/s",
- arg_order == ORDER_IO ? OFF : "");
+ on = ansi_highlight_underline();
+ off = ansi_underline();
+
+ printf("%s%s%-*s%s %s%7s%s %s%s%s %s%8s%s %s%8s%s %s%8s%s%s\n",
+ ansi_underline(),
+ arg_order == ORDER_PATH ? on : "", path_columns, "Control Group",
+ arg_order == ORDER_PATH ? off : "",
+ arg_order == ORDER_TASKS ? on : "", arg_count == COUNT_PIDS ? "Tasks" : arg_count == COUNT_USERSPACE_PROCESSES ? "Procs" : "Proc+",
+ arg_order == ORDER_TASKS ? off : "",
+ arg_order == ORDER_CPU ? on : "", buffer,
+ arg_order == ORDER_CPU ? off : "",
+ arg_order == ORDER_MEMORY ? on : "", "Memory",
+ arg_order == ORDER_MEMORY ? off : "",
+ arg_order == ORDER_IO ? on : "", "Input/s",
+ arg_order == ORDER_IO ? off : "",
+ arg_order == ORDER_IO ? on : "", "Output/s",
+ arg_order == ORDER_IO ? off : "",
+ ansi_normal());
} else
path_columns = maxtpath;
@@ -1061,6 +1063,10 @@ int main(int argc, char *argv[]) {
case '?':
case 'h':
+
+#define ON ANSI_HIGHLIGHT
+#define OFF ANSI_NORMAL
+
fprintf(stdout,
"\t<" ON "p" OFF "> By path; <" ON "t" OFF "> By tasks/procs; <" ON "c" OFF "> By CPU; <" ON "m" OFF "> By memory; <" ON "i" OFF "> By I/O\n"
"\t<" ON "+" OFF "> Inc. delay; <" ON "-" OFF "> Dec. delay; <" ON "%%" OFF "> Toggle time; <" ON "SPACE" OFF "> Refresh\n"