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Break code to convert an argument as a percentage into a common function.

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This commit is contained in:
nicm 2020-03-21 13:16:15 +00:00
parent 5aeab5ab40
commit 8828b958f0
4 changed files with 85 additions and 86 deletions
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50
arguments.c
View File

@ -344,3 +344,53 @@ args_strtonum(struct args *args, u_char ch, long long minval, long long maxval,
*cause = NULL;
return (ll);
}
/* Convert an argument to a number which may be a percentage. */
long long
args_percentage(struct args *args, u_char ch, long long minval,
long long maxval, long long curval, char **cause)
{
const char *errstr;
long long ll;
struct args_entry *entry;
struct args_value *value;
size_t valuelen;
char *copy;
if ((entry = args_find(args, ch)) == NULL) {
*cause = xstrdup("missing");
return (0);
}
value = TAILQ_LAST(&entry->values, args_values);
valuelen = strlen(value->value);
if (value->value[valuelen - 1] == '%') {
copy = xstrdup(value->value);
copy[valuelen - 1] = '\0';
ll = strtonum(copy, 0, 100, &errstr);
free(copy);
if (errstr != NULL) {
*cause = xstrdup(errstr);
return (0);
}
ll = (curval * ll) / 100;
if (ll < minval) {
*cause = xstrdup("too large");
return (0);
}
if (ll > maxval) {
*cause = xstrdup("too small");
return (0);
}
} else {
ll = strtonum(value->value, minval, maxval, &errstr);
if (errstr != NULL) {
*cause = xstrdup(errstr);
return (0);
}
}
*cause = NULL;
return (ll);
}

51
cmd-join-pane.c
View File

@ -51,7 +51,7 @@ const struct cmd_entry cmd_move_pane_entry = {
.alias = "movep",
.args = { "bdhvp:l:s:t:", 0, 0 },
.usage = "[-bdhv] [-p percentage|-l size] " CMD_SRCDST_PANE_USAGE,
.usage = "[-bdhv] [-l size] " CMD_SRCDST_PANE_USAGE,
.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
.target = { 't', CMD_FIND_PANE, 0 },
@ -69,9 +69,7 @@ cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
struct winlink *src_wl, *dst_wl;
struct window *src_w, *dst_w;
struct window_pane *src_wp, *dst_wp;
char *cause, *copy;
const char *errstr, *p;
size_t plen;
char *cause = NULL;
int size, percentage, dst_idx, not_same_window;
int flags;
enum layout_type type;
@ -108,40 +106,27 @@ cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
type = LAYOUT_LEFTRIGHT;
size = -1;
if ((p = args_get(args, 'l')) != NULL) {
plen = strlen(p);
if (p[plen - 1] == '%') {
copy = xstrdup(p);
copy[plen - 1] = '\0';
percentage = strtonum(copy, 0, INT_MAX, &errstr);
free(copy);
if (errstr != NULL) {
cmdq_error(item, "percentage %s", errstr);
return (CMD_RETURN_ERROR);
}
if (args_has(args, 'l')) {
if (type == LAYOUT_TOPBOTTOM) {
size = args_percentage(args, 'l', 0, INT_MAX,
dst_wp->sy, &cause);
} else {
size = args_percentage(args, 'l', 0, INT_MAX,
dst_wp->sx, &cause);
}
} else if (args_has(args, 'p')) {
percentage = args_strtonum(args, 'p', 0, 100, &cause);
if (cause == NULL) {
if (type == LAYOUT_TOPBOTTOM)
size = (dst_wp->sy * percentage) / 100;
else
size = (dst_wp->sx * percentage) / 100;
} else {
size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
if (cause != NULL) {
cmdq_error(item, "size %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
}
} else if (args_has(args, 'p')) {
percentage = args_strtonum(args, 'p', 0, 100, &cause);
if (cause != NULL) {
cmdq_error(item, "percentage %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (type == LAYOUT_TOPBOTTOM)
size = (dst_wp->sy * percentage) / 100;
else
size = (dst_wp->sx * percentage) / 100;
}
if (cause != NULL) {
cmdq_error(item, "size %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
flags = 0;

68
cmd-resize-pane.c
View File

@ -56,11 +56,10 @@ cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
struct window *w = wl->window;
struct client *c = item->client;
struct session *s = item->target.s;
const char *errstr, *p;
char *cause, *copy;
const char *errstr;
char *cause;
u_int adjust;
int x, y, percentage;
size_t plen;
int x, y;
if (args_has(args, 'M')) {
if (cmd_mouse_window(&shared->mouse, &s) == NULL)
@ -93,58 +92,21 @@ cmd_resize_pane_exec(struct cmd *self, struct cmdq_item *item)
}
}
if ((p = args_get(args, 'x')) != NULL) {
plen = strlen(p);
if (p[plen - 1] == '%') {
copy = xstrdup(p);
copy[plen - 1] = '\0';
percentage = strtonum(copy, 0, INT_MAX, &errstr);
free(copy);
if (errstr != NULL) {
cmdq_error(item, "width %s", errstr);
return (CMD_RETURN_ERROR);
}
x = (w->sx * percentage) / 100;
if (x < PANE_MINIMUM)
x = PANE_MINIMUM;
if (x > INT_MAX)
x = INT_MAX;
} else {
x = args_strtonum(args, 'x', PANE_MINIMUM, INT_MAX,
&cause);
if (cause != NULL) {
cmdq_error(item, "width %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (args_has(args, 'x')) {
x = args_percentage(args, 'x', 0, INT_MAX, w->sx, &cause);
if (cause != NULL) {
cmdq_error(item, "width %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
}
if ((p = args_get(args, 'y')) != NULL) {
plen = strlen(p);
if (p[plen - 1] == '%') {
copy = xstrdup(p);
copy[plen - 1] = '\0';
percentage = strtonum(copy, 0, INT_MAX, &errstr);
free(copy);
if (errstr != NULL) {
cmdq_error(item, "height %s", errstr);
return (CMD_RETURN_ERROR);
}
y = (w->sy * percentage) / 100;
if (y < PANE_MINIMUM)
y = PANE_MINIMUM;
if (y > INT_MAX)
y = INT_MAX;
}
else {
y = args_strtonum(args, 'y', PANE_MINIMUM, INT_MAX,
&cause);
if (cause != NULL) {
cmdq_error(item, "height %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (args_has(args, 'y')) {
y = args_percentage(args, 'y', 0, INT_MAX, w->sy, &cause);
if (cause != NULL) {
cmdq_error(item, "width %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
}

2
tmux.h
View File

@ -2060,6 +2060,8 @@ const char *args_first_value(struct args *, u_char, struct args_value **);
const char *args_next_value(struct args_value **);
long long args_strtonum(struct args *, u_char, long long, long long,
char **);
long long args_percentage(struct args *, u_char, long long,
long long, long long, char **);
/* cmd-find.c */
int cmd_find_target(struct cmd_find_state *, struct cmdq_item *,