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Extend the -t:+ and -t:- window targets for next and previous window to

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accept an offset such as -t:+2. From Tiago Cunha.
This commit is contained in:
Nicholas Marriott
2010-06-21 01:46:36 +00:00
parent e63f0546a1
commit 386849edc1
4 changed files with 159 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

187
cmd.c
View File

@@ -538,7 +538,7 @@ cmd_lookup_session(const char *name, int *ambiguous)
/*
* Lookup a window or return -1 if not found or ambigious. First try as an
* index and if invalid, use fnmatch or leading prefix. Return NULL but fill in
* idx if the window index is a valid number but there is now window with that
* idx if the window index is a valid number but there is no window with that
* index.
*/
struct winlink *
@@ -660,6 +660,7 @@ cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
const char *winptr;
char *sessptr = NULL;
int ambiguous = 0;
int n = 1;
/*
* Find the current session. There must always be a current session, if
@@ -705,11 +706,21 @@ cmd_find_window(struct cmd_ctx *ctx, const char *arg, struct session **sp)
wl = s->curw;
else if (winptr[0] == '!' && winptr[1] == '\0')
wl = TAILQ_FIRST(&s->lastw);
else if (winptr[0] == '+' && winptr[1] == '\0')
wl = winlink_next(s->curw);
else if (winptr[0] == '-' && winptr[1] == '\0')
wl = winlink_previous(s->curw);
else
else if (winptr[0] == '+' || winptr[0] == '-') {
if (winptr[1] != '\0')
n = strtonum(winptr + 1, 1, INT_MAX, NULL);
if (n == 0)
wl = cmd_lookup_window(s, winptr, &ambiguous);
else {
if (winptr[0] == '+')
wl = winlink_next_by_number(s->curw, n);
else
wl = winlink_previous_by_number(s->curw, n);
/* Search by name before giving up. */
if (wl == NULL)
wl = cmd_lookup_window(s, winptr, &ambiguous);
}
} else
wl = cmd_lookup_window(s, winptr, &ambiguous);
if (wl == NULL)
goto not_found;
@@ -726,25 +737,41 @@ no_colon:
if (arg[0] == '!' && arg[1] == '\0') {
if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
goto not_found;
} else if (arg[0] == '+' && arg[1] == '\0') {
if ((wl = winlink_next(s->curw)) == NULL)
goto not_found;
} else if (arg[0] == '-' && arg[1] == '\0') {
if ((wl = winlink_previous(s->curw)) == NULL)
goto not_found;
} else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL) {
if (ambiguous)
goto not_found;
if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
goto no_session;
wl = s->curw;
}
} else if (arg[0] == '+' || arg[0] == '-') {
if (arg[1] != '\0')
n = strtonum(arg + 1, 1, INT_MAX, NULL);
if (n == 0)
wl = cmd_lookup_window(s, arg, &ambiguous);
else {
if (arg[0] == '+')
wl = winlink_next_by_number(s->curw, n);
else
wl = winlink_previous_by_number(s->curw, n);
/* Search by name before giving up. */
if (wl == NULL)
wl = cmd_lookup_window(s, arg, &ambiguous);
}
if (wl == NULL)
goto lookup_session;
} else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL)
goto lookup_session;
if (sp != NULL)
*sp = s;
return (wl);
lookup_session:
if (ambiguous)
goto not_found;
if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
goto no_session;
if (sp != NULL)
*sp = s;
return (s->curw);
no_session:
if (ambiguous)
ctx->error(ctx, "multiple sessions: %s", arg);
@@ -778,6 +805,7 @@ cmd_find_index(struct cmd_ctx *ctx, const char *arg, struct session **sp)
const char *winptr;
char *sessptr = NULL;
int idx, ambiguous = 0;
int n = 1;
/*
* Find the current session. There must always be a current session, if
@@ -825,20 +853,23 @@ cmd_find_index(struct cmd_ctx *ctx, const char *arg, struct session **sp)
if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
goto not_found;
idx = wl->idx;
} else if (winptr[0] == '+' && winptr[1] == '\0') {
if (s->curw->idx == INT_MAX)
goto not_found;
idx = s->curw->idx + 1;
} else if (winptr[0] == '-' && winptr[1] == '\0') {
if (s->curw->idx == 0)
goto not_found;
idx = s->curw->idx - 1;
} else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1) {
if (ambiguous)
goto not_found;
ctx->error(ctx, "invalid index: %s", arg);
idx = -2;
}
} else if (winptr[0] == '+' || winptr[0] == '-') {
if (winptr[1] != '\0')
n = strtonum(winptr + 1, 1, INT_MAX, NULL);
if (winptr[0] == '+' && s->curw->idx == INT_MAX)
idx = cmd_lookup_index(s, winptr, &ambiguous);
else if (winptr[0] == '-' && s->curw->idx == 0)
idx = cmd_lookup_index(s, winptr, &ambiguous);
else if (n == 0)
idx = cmd_lookup_index(s, winptr, &ambiguous);
else if (winptr[0] == '+')
idx = s->curw->idx + n;
else
idx = s->curw->idx - n;
if (idx < 0)
goto invalid_index;
} else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1)
goto invalid_index;
if (sessptr != NULL)
xfree(sessptr);
@@ -853,27 +884,40 @@ no_colon:
if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
goto not_found;
idx = wl->idx;
} else if (arg[0] == '+' && arg[1] == '\0') {
if (s->curw->idx == INT_MAX)
goto not_found;
idx = s->curw->idx + 1;
} else if (arg[0] == '-' && arg[1] == '\0') {
if (s->curw->idx == 0)
goto not_found;
idx = s->curw->idx - 1;
} else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1) {
if (ambiguous)
goto not_found;
if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
goto no_session;
idx = -1;
}
} else if (arg[0] == '+' || arg[0] == '-') {
if (arg[1] != '\0')
n = strtonum(arg + 1, 1, INT_MAX, NULL);
if (arg[0] == '+' && s->curw->idx == INT_MAX)
idx = cmd_lookup_index(s, arg, &ambiguous);
else if (arg[0] == '-' && s->curw->idx == 0)
idx = cmd_lookup_index(s, arg, &ambiguous);
else if (n == 0)
idx = cmd_lookup_index(s, arg, &ambiguous);
else if (arg[0] == '+')
idx = s->curw->idx + n;
else
idx = s->curw->idx - n;
if (idx < 0)
goto lookup_session;
} else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1)
goto lookup_session;
if (sp != NULL)
*sp = s;
return (idx);
lookup_session:
if (ambiguous)
goto not_found;
if ((s = cmd_lookup_session(arg, &ambiguous)) == NULL)
goto no_session;
if (sp != NULL)
*sp = s;
return (-1);
no_session:
if (ambiguous)
ctx->error(ctx, "multiple sessions: %s", arg);
@@ -883,6 +927,15 @@ no_session:
xfree(sessptr);
return (-2);
invalid_index:
if (ambiguous)
goto not_found;
ctx->error(ctx, "invalid index: %s", arg);
if (sessptr != NULL)
xfree(sessptr);
return (-2);
not_found:
if (ambiguous)
ctx->error(ctx, "multiple windows: %s", arg);
@@ -907,7 +960,7 @@ cmd_find_pane(struct cmd_ctx *ctx,
struct layout_cell *lc;
const char *period, *errstr;
char *winptr, *paneptr;
u_int idx;
u_int idx, n = 1;
/* Get the current session. */
if ((s = cmd_current_session(ctx)) == NULL) {
@@ -939,7 +992,27 @@ cmd_find_pane(struct cmd_ctx *ctx,
paneptr = winptr + (period - arg) + 1;
if (*paneptr == '\0')
*wpp = wl->window->active;
else {
else if (paneptr[0] == '+' || paneptr[0] == '-') {
if (paneptr[1] != '\0')
n = strtonum(paneptr + 1, 1, INT_MAX, NULL);
idx = window_pane_index(wl->window, wl->window->active);
if (paneptr[0] == '+' && idx == INT_MAX)
*wpp = TAILQ_FIRST(&wl->window->panes);
else if (paneptr[0] == '-' && idx == 0)
*wpp = TAILQ_LAST(&wl->window->panes, window_panes);
else if (n == 0)
*wpp = wl->window->active;
else if (paneptr[0] == '+')
*wpp = window_pane_at_index(wl->window, idx + n);
else
*wpp = window_pane_at_index(wl->window, idx - n);
if (paneptr[0] == '+' && *wpp == NULL)
*wpp = TAILQ_FIRST(&wl->window->panes);
else if (paneptr[0] == '-' && *wpp == NULL)
*wpp = TAILQ_LAST(&wl->window->panes, window_panes);
else if (*wpp == NULL)
goto error;
} else {
idx = strtonum(paneptr, 0, INT_MAX, &errstr);
if (errstr != NULL)
goto lookup_string;
@@ -952,20 +1025,6 @@ cmd_find_pane(struct cmd_ctx *ctx,
return (wl);
lookup_string:
/* Try as next or previous pane. */
if (paneptr[0] == '+' && paneptr[1] == '\0') {
*wpp = TAILQ_NEXT(wl->window->active, entry);
if (*wpp == NULL)
*wpp = TAILQ_FIRST(&wl->window->panes);
return (wl);
}
if (paneptr[0] == '-' && paneptr[1] == '\0') {
*wpp = TAILQ_PREV(wl->window->active, window_panes, entry);
if (*wpp == NULL)
*wpp = TAILQ_LAST(&wl->window->panes, window_panes);
return (wl);
}
/* Try pane string description. */
if ((lc = layout_find_string(wl->window, paneptr)) == NULL) {
ctx->error(ctx, "can't find pane: %s", paneptr);

12
tmux.1
View File

@@ -428,6 +428,18 @@ One of the strings
.Em bottom-right
may be used instead of a pane index.
.Pp
The special characters
.Ql +
and
.Ql -
may be followed by an offset, for example:
.Bd -literal -offset indent
select-window -t:+2
.Ed
.Pp
When dealing with a session that doesn't contain sequential window indexes,
they will be correctly skipped.
.Pp
.Ar shell-command
arguments are
.Xr sh 1

2
tmux.h
View File

@@ -1799,6 +1799,8 @@ struct winlink *winlink_add(struct winlinks *, struct window *, int);
void winlink_remove(struct winlinks *, struct winlink *);
struct winlink *winlink_next(struct winlink *);
struct winlink *winlink_previous(struct winlink *);
struct winlink *winlink_next_by_number(struct winlink *, int);
struct winlink *winlink_previous_by_number(struct winlink *, int);
void winlink_stack_push(struct winlink_stack *, struct winlink *);
void winlink_stack_remove(struct winlink_stack *, struct winlink *);
int window_index(struct window *, u_int *);

22
window.c
View File

@@ -172,6 +172,28 @@ winlink_previous(struct winlink *wl)
return (RB_PREV(winlinks, wwl, wl));
}
struct winlink *
winlink_next_by_number(struct winlink *wl, int n)
{
for (; n > 0; n--) {
if ((wl = RB_NEXT(winlinks, wwl, wl)) == NULL)
break;
}
return (wl);
}
struct winlink *
winlink_previous_by_number(struct winlink *wl, int n)
{
for (; n > 0; n--) {
if ((wl = RB_PREV(winlinks, wwl, wl)) == NULL)
break;
}
return (wl);
}
void
winlink_stack_push(struct winlink_stack *stack, struct winlink *wl)
{