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Refactor the drawing of the help screen

This commit is contained in:
Hisham Muhammad 2014-01-14 00:24:12 -02:00
parent 1c0e93c1bd
commit 4256c23d84
1 changed files with 41 additions and 37 deletions
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78
htop.c
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@ -66,6 +66,43 @@ static void printHelpFlag() {
exit(0);
}
static struct { const char* key; const char* info; } helpLeft[] = {
{ .key = " Arrows: ", .info = "scroll process list" },
{ .key = " Digits: ", .info = "incremental PID search" },
{ .key = " F3 /: ", .info = "incremental name search" },
{ .key = " F4 \\: ",.info = "incremental name filtering" },
{ .key = " F5 t: ", .info = "tree view" },
{ .key = " u: ", .info = "show processes of a single user" },
{ .key = " H: ", .info = "hide/show user threads" },
{ .key = " K: ", .info = "hide/show kernel threads" },
{ .key = " F: ", .info = "cursor follows process" },
{ .key = " + -: ", .info = "expand/collapse tree" },
{ .key = " P M T: ", .info = "sort by CPU%, MEM% or TIME" },
{ .key = " I: ", .info = "invert sort order" },
{ .key = " F6 >: ", .info = "select sort column" },
{ .key = NULL, .info = NULL }
};
static struct { const char* key; const char* info; } helpRight[] = {
{ .key = " Space: ", .info = "tag process" },
{ .key = " c: ", .info = "tag process and its children" },
{ .key = " U: ", .info = "untag all processes" },
{ .key = " F9 k: ", .info = "kill process/tagged processes" },
{ .key = " F7 ]: ", .info = "higher priority (root only)" },
{ .key = " F8 [: ", .info = "lower priority (+ nice)" },
#if (HAVE_LIBHWLOC || HAVE_NATIVE_AFFINITY)
{ .key = " a: ", .info = "set CPU affinity" },
#endif
{ .key = " i: ", .info = "set IO prority" },
{ .key = " l: ", .info = "list open files with lsof" },
{ .key = " s: ", .info = "trace syscalls with strace" },
{ .key = " ", .info = "" },
{ .key = " F2 S: ", .info = "setup" },
{ .key = " F1 h: ", .info = "show this help screen" },
{ .key = " F10 q: ", .info = "quit" },
{ .key = NULL, .info = NULL }
};
static void showHelp(ProcessList* pl) {
clear();
attrset(CRT_colors[HELP_BOLD]);
@ -118,44 +155,11 @@ static void showHelp(ProcessList* pl) {
mvaddstr(7, 0, "In monochrome, meters are displayed through different chars, in order: |#*@$%&");
}
mvaddstr( 8, 0, " Status: R: running; S: sleeping; T: traced/stopped; Z: zombie; D: disk sleep");
mvaddstr( 9, 0, " Arrows: scroll process list F5 t: tree view");
mvaddstr(10, 0, " Digits: incremental PID search u: show processes of a single user");
mvaddstr(11, 0, " F3 /: incremental name search H: hide/show user threads");
mvaddstr(12, 0, " F4 \\: incremental name filtering K: hide/show kernel threads");
mvaddstr(13, 0, " Space: tag processes F: cursor follows process");
mvaddstr(14, 0, " U: untag all processes + -: expand/collapse tree");
mvaddstr(15, 0, " F9 k: kill process/tagged processes P M T: sort by CPU%, MEM% or TIME");
mvaddstr(16, 0, " ] F7: higher priority (root only) i: set IO priority");
mvaddstr(17, 0, " [ F8: lower priority (+ nice) I: invert sort order");
#if (HAVE_LIBHWLOC || HAVE_NATIVE_AFFINITY)
if (pl->cpuCount > 1)
mvaddstr(18, 0, " a: set CPU affinity F6 >: select sort column");
else
#endif
mvaddstr(18, 0, " F6 >: select sort column");
mvaddstr(19, 0, " F2 S: setup l: list open files with lsof");
mvaddstr(20, 0, " F1 h: show this help screen s: trace syscalls with strace");
mvaddstr(21, 0, " F10 q: quit");
for (int i = 0; helpLeft[i].info; i++) { mvaddstr(9+i, 9, helpLeft[i].info); }
for (int i = 0; helpRight[i].info; i++) { mvaddstr(9+i, 49, helpRight[i].info); }
attrset(CRT_colors[HELP_BOLD]);
mvaddstr( 9, 0, " Arrows"); mvaddstr( 9,40, " F5 t");
mvaddstr(10, 0, " Digits"); mvaddstr(10,40, " u");
mvaddstr(11, 0, " F3 /"); mvaddstr(11,40, " H");
mvaddstr(12, 0, " F4 \\"); mvaddstr(12,40, " K");
mvaddstr(13, 0, " Space"); mvaddstr(13,40, " F");
mvaddstr(14, 0, " U"); mvaddstr(14,40, " + -");
mvaddstr(15, 0, " F9 k"); mvaddstr(15,40, "P M T");
mvaddstr(16, 0, " ] F7"); mvaddstr(16,40, " i");
mvaddstr(17, 0, " [ F8"); mvaddstr(17,40, " I");
mvaddstr(18,40, " F6 >");
#if (HAVE_LIBHWLOC || HAVE_NATIVE_AFFINITY)
if (pl->cpuCount > 1)
mvaddstr(18, 0, " a:");
#endif
mvaddstr(19, 0, " F2 S"); mvaddstr(19,40, " l");
mvaddstr(20, 0, " ? F1 h"); mvaddstr(20,40, " s");
mvaddstr(21, 0, " F10 q");
attrset(CRT_colors[DEFAULT_COLOR]);
for (int i = 0; helpLeft[i].key; i++) { mvaddstr(9+i, 0, helpLeft[i].key); }
for (int i = 0; helpRight[i].key; i++) { mvaddstr(9+i, 40, helpRight[i].key); }
attrset(CRT_colors[HELP_BOLD]);
mvaddstr(23,0, "Press any key to return.");