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path: root/usr.bin/tmux/cmd-swap-pane.c
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Diffstat (limited to 'usr.bin/tmux/cmd-swap-pane.c')
-rw-r--r--usr.bin/tmux/cmd-swap-pane.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/usr.bin/tmux/cmd-swap-pane.c b/usr.bin/tmux/cmd-swap-pane.c
new file mode 100644
index 00000000000..62852a198ed
--- /dev/null
+++ b/usr.bin/tmux/cmd-swap-pane.c
@@ -0,0 +1,285 @@
+/* $OpenBSD: cmd-swap-pane.c,v 1.1 2009/06/01 22:58:49 nicm Exp $ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdlib.h>
+
+#include "tmux.h"
+
+/*
+ * Swap two panes.
+ */
+
+int cmd_swap_pane_parse(struct cmd *, int, char **, char **);
+int cmd_swap_pane_exec(struct cmd *, struct cmd_ctx *);
+void cmd_swap_pane_send(struct cmd *, struct buffer *);
+void cmd_swap_pane_recv(struct cmd *, struct buffer *);
+void cmd_swap_pane_free(struct cmd *);
+void cmd_swap_pane_init(struct cmd *, int);
+size_t cmd_swap_pane_print(struct cmd *, char *, size_t);
+
+struct cmd_swap_pane_data {
+ char *target;
+ int src;
+ int dst;
+ int flag_detached;
+ int flag_up;
+ int flag_down;
+};
+
+const struct cmd_entry cmd_swap_pane_entry = {
+ "swap-pane", "swapp",
+ "[-dDU] [-t target-window] [-p src-index] [-q dst-index]",
+ 0,
+ cmd_swap_pane_init,
+ cmd_swap_pane_parse,
+ cmd_swap_pane_exec,
+ cmd_swap_pane_send,
+ cmd_swap_pane_recv,
+ cmd_swap_pane_free,
+ cmd_swap_pane_print
+};
+
+void
+cmd_swap_pane_init(struct cmd *self, int key)
+{
+ struct cmd_swap_pane_data *data;
+
+ self->data = data = xmalloc(sizeof *data);
+ data->target = NULL;
+ data->src = -1;
+ data->dst = -1;
+ data->flag_detached = 0;
+ data->flag_up = 0;
+ data->flag_down = 0;
+
+ switch (key) {
+ case '{':
+ data->flag_up = 1;
+ break;
+ case '}':
+ data->flag_down = 1;
+ break;
+ }
+}
+
+int
+cmd_swap_pane_parse(struct cmd *self, int argc, char **argv, char **cause)
+{
+ struct cmd_swap_pane_data *data;
+ int opt, n;
+ const char *errstr;
+
+ self->entry->init(self, 0);
+ data = self->data;
+
+ while ((opt = getopt(argc, argv, "dDt:p:q:U")) != -1) {
+ switch (opt) {
+ case 'd':
+ data->flag_detached = 1;
+ break;
+ case 'D':
+ data->flag_up = 0;
+ data->flag_down = 1;
+ data->dst = -1;
+ break;
+ case 't':
+ if (data->target == NULL)
+ data->target = xstrdup(optarg);
+ break;
+ case 'p':
+ if (data->src == -1) {
+ n = strtonum(optarg, 0, INT_MAX, &errstr);
+ if (errstr != NULL) {
+ xasprintf(cause, "src %s", errstr);
+ goto error;
+ }
+ data->src = n;
+ }
+ break;
+ case 'q':
+ if (data->dst == -1) {
+ n = strtonum(optarg, 0, INT_MAX, &errstr);
+ if (errstr != NULL) {
+ xasprintf(cause, "dst %s", errstr);
+ goto error;
+ }
+ data->dst = n;
+ }
+ data->flag_up = 0;
+ data->flag_down = 0;
+ break;
+ case 'U':
+ data->flag_up = 1;
+ data->flag_down = 0;
+ data->dst = -1;
+ break;
+
+ default:
+ goto usage;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (argc != 0)
+ goto usage;
+
+ return (0);
+
+usage:
+ xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
+
+error:
+ self->entry->free(self);
+ return (-1);
+}
+
+int
+cmd_swap_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+ struct cmd_swap_pane_data *data = self->data;
+ struct winlink *wl;
+ struct window *w;
+ struct window_pane *tmp_wp, *src_wp, *dst_wp;
+ u_int xx, yy;
+
+ if (data == NULL)
+ return (0);
+
+ if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
+ return (-1);
+ w = wl->window;
+
+ if (data->src == -1)
+ src_wp = w->active;
+ else {
+ src_wp = window_pane_at_index(w, data->src);
+ if (src_wp == NULL) {
+ ctx->error(ctx, "no pane: %d", data->src);
+ return (-1);
+ }
+ }
+ if (data->dst == -1)
+ dst_wp = w->active;
+ else {
+ dst_wp = window_pane_at_index(w, data->dst);
+ if (dst_wp == NULL) {
+ ctx->error(ctx, "no pane: %d", data->dst);
+ return (-1);
+ }
+ }
+
+ if (data->dst == -1 && data->flag_up) {
+ if ((dst_wp = TAILQ_PREV(src_wp, window_panes, entry)) == NULL)
+ dst_wp = TAILQ_LAST(&w->panes, window_panes);
+ }
+ if (data->dst == -1 && data->flag_down) {
+ if ((dst_wp = TAILQ_NEXT(src_wp, entry)) == NULL)
+ dst_wp = TAILQ_FIRST(&w->panes);
+ }
+
+ if (src_wp == dst_wp)
+ return (0);
+
+ tmp_wp = TAILQ_PREV(dst_wp, window_panes, entry);
+ TAILQ_REMOVE(&w->panes, dst_wp, entry);
+ TAILQ_REPLACE(&w->panes, src_wp, dst_wp, entry);
+ if (tmp_wp == src_wp)
+ tmp_wp = dst_wp;
+ if (tmp_wp == NULL)
+ TAILQ_INSERT_HEAD(&w->panes, src_wp, entry);
+ else
+ TAILQ_INSERT_AFTER(&w->panes, tmp_wp, src_wp, entry);
+
+ xx = src_wp->xoff;
+ yy = src_wp->yoff;
+ src_wp->xoff = dst_wp->xoff;
+ src_wp->yoff = dst_wp->yoff;
+ dst_wp->xoff = xx;
+ dst_wp->yoff = yy;
+
+ xx = src_wp->sx;
+ yy = src_wp->sy;
+ window_pane_resize(src_wp, dst_wp->sx, dst_wp->sy);
+ window_pane_resize(dst_wp, xx, yy);
+
+ if (!data->flag_detached) {
+ window_set_active_pane(w, dst_wp);
+ layout_refresh(w, 0);
+ }
+
+ return (0);
+}
+
+void
+cmd_swap_pane_send(struct cmd *self, struct buffer *b)
+{
+ struct cmd_swap_pane_data *data = self->data;
+
+ buffer_write(b, data, sizeof *data);
+ cmd_send_string(b, data->target);
+}
+
+void
+cmd_swap_pane_recv(struct cmd *self, struct buffer *b)
+{
+ struct cmd_swap_pane_data *data;
+
+ self->data = data = xmalloc(sizeof *data);
+ buffer_read(b, data, sizeof *data);
+ data->target = cmd_recv_string(b);
+}
+
+void
+cmd_swap_pane_free(struct cmd *self)
+{
+ struct cmd_swap_pane_data *data = self->data;
+
+ if (data->target != NULL)
+ xfree(data->target);
+ xfree(data);
+}
+
+size_t
+cmd_swap_pane_print(struct cmd *self, char *buf, size_t len)
+{
+ struct cmd_swap_pane_data *data = self->data;
+ size_t off = 0;
+
+ off += xsnprintf(buf, len, "%s", self->entry->name);
+ if (data == NULL)
+ return (off);
+ if (off < len &&
+ (data->flag_down || data->flag_up || data->flag_detached)) {
+ off += xsnprintf(buf + off, len - off, " -");
+ if (off < len && data->flag_detached)
+ off += xsnprintf(buf + off, len - off, "d");
+ if (off < len && data->flag_up)
+ off += xsnprintf(buf + off, len - off, "D");
+ if (off < len && data->flag_down)
+ off += xsnprintf(buf + off, len - off, "U");
+ }
+ if (off < len && data->target != NULL)
+ off += cmd_prarg(buf + off, len - off, " -t ", data->target);
+ if (off < len && data->src != -1)
+ off += xsnprintf(buf + off, len - off, " -p %d", data->src);
+ if (off < len && data->dst != -1)
+ off += xsnprintf(buf + off, len - off, " -q %d", data->dst);
+ return (off);
+}
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