Sync OpenBSD patchset 735:

Make pane/window wrapping more logical (so with 10 windows, +10 from
window 5 stays in the same place), and tidy the code. From Tiago Cunha.
This commit is contained in:
Tiago Cunha
2010-07-17 14:38:13 +00:00
parent ad6a528f61
commit 11f81e8134
3 changed files with 116 additions and 88 deletions

159
cmd.c
View File

@@ -1,4 +1,4 @@
/* $Id: cmd.c,v 1.141 2010-06-22 23:35:20 tcunha Exp $ */
/* $Id: cmd.c,v 1.142 2010-07-17 14:38:13 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -116,6 +116,9 @@ struct client *cmd_lookup_client(const char *);
struct session *cmd_lookup_session(const char *, int *);
struct winlink *cmd_lookup_window(struct session *, const char *, int *);
int cmd_lookup_index(struct session *, const char *, int *);
struct winlink *cmd_find_window_offset(const char *, struct session *, int *);
int cmd_find_index_offset(const char *, struct session *, int *);
struct window_pane *cmd_find_pane_offset(const char *, struct winlink *);
int
cmd_pack_argv(int argc, char **argv, char *buf, size_t len)
@@ -660,7 +663,6 @@ 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
@@ -706,21 +708,9 @@ 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[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
else if (winptr[0] == '+' || winptr[0] == '-')
wl = cmd_find_window_offset(winptr, s, &ambiguous);
else
wl = cmd_lookup_window(s, winptr, &ambiguous);
if (wl == NULL)
goto not_found;
@@ -738,20 +728,7 @@ no_colon:
if ((wl = TAILQ_FIRST(&s->lastw)) == NULL)
goto not_found;
} 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)
if ((wl = cmd_find_window_offset(arg, s, &ambiguous)) == NULL)
goto lookup_session;
} else if ((wl = cmd_lookup_window(s, arg, &ambiguous)) == NULL)
goto lookup_session;
@@ -791,6 +768,26 @@ not_found:
return (NULL);
}
struct winlink *
cmd_find_window_offset(const char *winptr, struct session *s, int *ambiguous)
{
struct winlink *wl;
int offset = 1;
if (winptr[1] != '\0')
offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
if (offset == 0)
wl = cmd_lookup_window(s, winptr, ambiguous);
else {
if (winptr[0] == '+')
wl = winlink_next_by_number(s->curw, s, offset);
else
wl = winlink_previous_by_number(s->curw, s, offset);
}
return (wl);
}
/*
* Find the target session and window index, whether or not it exists in the
* session. Return -2 on error or -1 if no window index is specified. This is
@@ -805,7 +802,6 @@ 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
@@ -854,19 +850,7 @@ cmd_find_index(struct cmd_ctx *ctx, const char *arg, struct session **sp)
goto not_found;
idx = wl->idx;
} 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)
if ((idx = cmd_find_index_offset(winptr, s, &ambiguous)) < 0)
goto invalid_index;
} else if ((idx = cmd_lookup_index(s, winptr, &ambiguous)) == -1)
goto invalid_index;
@@ -885,19 +869,7 @@ no_colon:
goto not_found;
idx = wl->idx;
} 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)
if ((idx = cmd_find_index_offset(arg, s, &ambiguous)) < 0)
goto lookup_session;
} else if ((idx = cmd_lookup_index(s, arg, &ambiguous)) == -1)
goto lookup_session;
@@ -946,6 +918,32 @@ not_found:
return (-2);
}
int
cmd_find_index_offset(const char *winptr, struct session *s, int *ambiguous)
{
int idx, offset = 1;
if (winptr[1] != '\0')
offset = strtonum(winptr + 1, 1, INT_MAX, NULL);
if (offset == 0)
idx = cmd_lookup_index(s, winptr, ambiguous);
else {
if (winptr[0] == '+') {
if (s->curw->idx == INT_MAX)
idx = cmd_lookup_index(s, winptr, ambiguous);
else
idx = s->curw->idx + offset;
} else {
if (s->curw->idx == 0)
idx = cmd_lookup_index(s, winptr, ambiguous);
else
idx = s->curw->idx - offset;
}
}
return (idx);
}
/*
* Find the target session, window and pane number or report an error and
* return NULL. The pane number is separated from the session:window by a .,
@@ -960,7 +958,7 @@ cmd_find_pane(struct cmd_ctx *ctx,
struct layout_cell *lc;
const char *period, *errstr;
char *winptr, *paneptr;
u_int idx, n = 1;
u_int idx;
/* Get the current session. */
if ((s = cmd_current_session(ctx)) == NULL) {
@@ -992,27 +990,9 @@ cmd_find_pane(struct cmd_ctx *ctx,
paneptr = winptr + (period - arg) + 1;
if (*paneptr == '\0')
*wpp = wl->window->active;
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 {
else if (paneptr[0] == '+' || paneptr[0] == '-')
*wpp = cmd_find_pane_offset(paneptr, wl);
else {
idx = strtonum(paneptr, 0, INT_MAX, &errstr);
if (errstr != NULL)
goto lookup_string;
@@ -1064,6 +1044,25 @@ error:
return (NULL);
}
struct window_pane *
cmd_find_pane_offset(const char *paneptr, struct winlink *wl)
{
struct window *w = wl->window;
struct window_pane *wp = w->active;
u_int offset = 1;
if (paneptr[1] != '\0')
offset = strtonum(paneptr + 1, 1, INT_MAX, NULL);
if (offset > 0) {
if (paneptr[0] == '+')
wp = window_pane_next_by_number(w, wp, offset);
else
wp = window_pane_previous_by_number(w, wp, offset);
}
return (wp);
}
/* Replace the first %% or %idx in template by s. */
char *
cmd_template_replace(char *template, const char *s, int idx)