From 0926a2301443fad7280d1ed5ced73587faa815c8 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Tue, 1 Dec 2009 18:42:38 +0000
Subject: [PATCH] New command, capture-pane, which copies the entire pane
contents to a paste buffer. From Jonathan Alvarado.
---
Makefile | 2 +-
cmd-capture-pane.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++
cmd.c | 1 +
tmux.1 | 7 ++++
tmux.h | 1 +
5 files changed, 91 insertions(+), 1 deletion(-)
create mode 100644 cmd-capture-pane.c
diff --git a/Makefile b/Makefile
index b0caca92..b4b0ef56 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ SRCS= attributes.c cfg.c client.c clock.c \
cmd-switch-client.c cmd-unbind-key.c cmd-unlink-window.c \
cmd-set-environment.c cmd-show-environment.c cmd-choose-client.c \
cmd-up-pane.c cmd-display-message.c cmd-display-panes.c \
- cmd-pipe-pane.c cmd.c \
+ cmd-pipe-pane.c cmd-capture-pane.c cmd.c \
colour.c environ.c grid-view.c grid-utf8.c grid.c input-keys.c \
imsg.c imsg-buffer.c input.c key-bindings.c key-string.c \
layout-set.c layout.c log.c job.c \
diff --git a/cmd-capture-pane.c b/cmd-capture-pane.c
new file mode 100644
index 00000000..7444b90c
--- /dev/null
+++ b/cmd-capture-pane.c
@@ -0,0 +1,81 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Jonathan Alvarado <radobobo@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 <string.h>
+
+#include "tmux.h"
+
+/*
+ * Write the entire contents of a pane to a buffer.
+ */
+
+int cmd_capture_pane_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_capture_pane_entry = {
+ "capture-pane", "capturep",
+ CMD_BUFFER_PANE_USAGE,
+ 0, "",
+ cmd_buffer_init,
+ cmd_buffer_parse,
+ cmd_capture_pane_exec,
+ cmd_buffer_free,
+ cmd_buffer_print
+};
+
+int
+cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+ struct cmd_buffer_data *data = self->data;
+ struct window_pane *wp;
+ char *buf, *line;
+ struct screen *s;
+ struct session *sess;
+ u_int i, limit;
+ size_t len, linelen;
+
+ if (cmd_find_pane(ctx, data->target, &sess, &wp) == NULL)
+ return (-1);
+ s = &wp->base;
+
+ buf = NULL;
+ len = 0;
+
+ for (i = 0; i < screen_size_y(s); i++) {
+ line = grid_view_string_cells(s->grid, 0, i, screen_size_x(s));
+ linelen = strlen(line);
+
+ buf = xrealloc(buf, 1, len + linelen + 1);
+ memcpy(buf + len, line, linelen);
+ len += linelen;
+ buf[len++] = '\n';
+ }
+
+ limit = options_get_number(&sess->options, "buffer-limit");
+ if (data->buffer == -1) {
+ paste_add(&sess->buffers, buf, len, limit);
+ return (0);
+ }
+ if (paste_replace(&sess->buffers, data->buffer, buf, len) != 0) {
+ ctx->error(ctx, "no buffer %d", data->buffer);
+ xfree(buf);
+ return (-1);
+ }
+ return (0);
+}
diff --git a/cmd.c b/cmd.c
index 902c390f..733f4013 100644
--- a/cmd.c
+++ b/cmd.c
@@ -31,6 +31,7 @@ const struct cmd_entry *cmd_table[] = {
&cmd_attach_session_entry,
&cmd_bind_key_entry,
&cmd_break_pane_entry,
+ &cmd_capture_pane_entry,
&cmd_choose_client_entry,
&cmd_choose_session_entry,
&cmd_choose_window_entry,
diff --git a/tmux.1 b/tmux.1
index d3c61bd7..46734315 100644
--- a/tmux.1
+++ b/tmux.1
@@ -664,6 +664,13 @@ off from its containing window to make it the only pane in a new window.
If
.Fl d
is given, the new window does not become the current window.
+.It Xo Ic capture-pane
+.Op Fl b Ar buffer-index
+.Op Fl t Ar target-pane
+.Xc
+.D1 (alias: Ic capturep )
+Capture the contents of a pane to the specified buffer, or a new buffer if none
+is specified.
.It Xo
.Ic choose-client
.Op Fl t Ar target-window
diff --git a/tmux.h b/tmux.h
index e29bb015..59b3ec1f 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1433,6 +1433,7 @@ extern const struct cmd_entry *cmd_table[];
extern const struct cmd_entry cmd_attach_session_entry;
extern const struct cmd_entry cmd_bind_key_entry;
extern const struct cmd_entry cmd_break_pane_entry;
+extern const struct cmd_entry cmd_capture_pane_entry;
extern const struct cmd_entry cmd_choose_client_entry;
extern const struct cmd_entry cmd_choose_session_entry;
extern const struct cmd_entry cmd_choose_window_entry;