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Add utf8_padcstr and use it to align columns in list-keys.

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This commit is contained in:
nicm
2015-11-12 12:43:36 +00:00
parent 1da7475d0e
commit a209ea3953
3 changed files with 39 additions and 10 deletions
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27
cmd-list-keys.c
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@ -18,6 +18,7 @@
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
@ -54,10 +55,9 @@ cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
struct key_table *table;
struct key_binding *bd;
const char *key, *tablename, *r;
char tmp[BUFSIZ];
char *cp, tmp[BUFSIZ];
size_t used;
int repeat, width, tablewidth, keywidth;
u_int i;
if (self->entry == &cmd_list_commands_entry)
return (cmd_list_keys_commands(self, cmdq));
@ -82,7 +82,7 @@ cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
if (bd->can_repeat)
repeat = 1;
width = strlen(table->name);
width = utf8_cstrwidth(table->name);
if (width > tablewidth)
tablewidth = width;
width = utf8_cstrwidth(key);
@ -103,13 +103,20 @@ cmd_list_keys_exec(struct cmd *self, struct cmd_q *cmdq)
r = "-r ";
else
r = " ";
used = xsnprintf(tmp, sizeof tmp, "%s-T %-*s %s", r,
(int)tablewidth, table->name, key);
for (i = 0; i < keywidth - utf8_cstrwidth(key); i++) {
if (strlcat(tmp, " ", sizeof tmp) < sizeof tmp)
used++;
}
if (used < sizeof tmp) {
xsnprintf(tmp, sizeof tmp, "%s-T ", r);
cp = utf8_padcstr(table->name, tablewidth);
strlcat(tmp, cp, sizeof tmp);
strlcat(tmp, " ", sizeof tmp);
free(cp);
cp = utf8_padcstr(key, keywidth);
strlcat(tmp, cp, sizeof tmp);
strlcat(tmp, " ", sizeof tmp);
free(cp);
used = strlen(tmp);
if (used < (sizeof tmp) - 1) {
cmd_list_print(bd->cmdlist, tmp + used,
(sizeof tmp) - used);
}