Import tmux, a terminal multiplexor allowing (among other things) a single

terminal to be switched between several different windows and programs
displayed on one terminal be detached from one terminal and moved to another.

ok deraadt pirofti

1 files changed, 237 insertions, 0 deletions

diff --git a/key-bindings.c b/key-bindings.c
new file mode 100644
index 00000000..fc232928
--- /dev/null
+++ b/key-bindings.c
@@ -0,0 +1,237 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2007 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 <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+SPLAY_GENERATE(key_bindings, key_binding, entry, key_bindings_cmp);
+
+struct key_bindings	key_bindings;
+
+int
+key_bindings_cmp(struct key_binding *bd1, struct key_binding *bd2)
+{
+	return (bd1->key - bd2->key);
+}
+
+struct key_binding *
+key_bindings_lookup(int key)
+{
+	struct key_binding	bd;
+
+	bd.key = key;
+	return (SPLAY_FIND(key_bindings, &key_bindings, &bd));
+}
+
+void
+key_bindings_add(int key, int can_repeat, struct cmd_list *cmdlist)
+{
+	struct key_binding	*bd;
+
+	if ((bd = key_bindings_lookup(key)) == NULL) {
+		bd = xmalloc(sizeof *bd);
+		bd->key = key;
+		SPLAY_INSERT(key_bindings, &key_bindings, bd);
+	} else
+		cmd_list_free(bd->cmdlist);
+	bd->can_repeat = can_repeat;
+	bd->cmdlist = cmdlist;
+}
+
+void
+key_bindings_remove(int key)
+{
+	struct key_binding	*bd;
+
+	if ((bd = key_bindings_lookup(key)) == NULL)
+		return;
+	SPLAY_REMOVE(key_bindings, &key_bindings, bd);
+
+	cmd_list_free(bd->cmdlist);
+	xfree(bd);
+}
+
+void
+key_bindings_init(void)
+{
+	static const struct {
+		int			 key;
+		int			 can_repeat;
+		const struct cmd_entry	*entry;
+	} table[] = {
+		{ ' ',			  0, &cmd_next_layout_entry },
+		{ '!', 			  0, &cmd_break_pane_entry },
+		{ '"', 			  0, &cmd_split_window_entry },
+		{ '#', 			  0, &cmd_list_buffers_entry },
+		{ '&', 			  0, &cmd_confirm_before_entry },
+		{ ',', 			  0, &cmd_command_prompt_entry },
+		{ '-', 			  0, &cmd_delete_buffer_entry },
+		{ '.', 			  0, &cmd_command_prompt_entry },
+		{ '0', 			  0, &cmd_select_window_entry },
+		{ '1', 			  0, &cmd_select_window_entry },
+		{ '2', 			  0, &cmd_select_window_entry },
+		{ '3', 			  0, &cmd_select_window_entry },
+		{ '4', 			  0, &cmd_select_window_entry },
+		{ '5', 			  0, &cmd_select_window_entry },
+		{ '6', 			  0, &cmd_select_window_entry },
+		{ '7', 			  0, &cmd_select_window_entry },
+		{ '8', 			  0, &cmd_select_window_entry },
+		{ '9', 			  0, &cmd_select_window_entry },
+		{ ':', 			  0, &cmd_command_prompt_entry },
+		{ '=', 			  0, &cmd_scroll_mode_entry },
+		{ '?', 			  0, &cmd_list_keys_entry },
+		{ '[', 			  0, &cmd_copy_mode_entry },
+		{ '\'',			  0, &cmd_select_prompt_entry },
+		{ '\032', /* C-z */	  0, &cmd_suspend_client_entry },
+		{ ']', 			  0, &cmd_paste_buffer_entry },
+		{ 'c', 			  0, &cmd_new_window_entry },
+		{ 'd', 			  0, &cmd_detach_client_entry },
+		{ 'f', 			  0, &cmd_command_prompt_entry },
+		{ 'l', 			  0, &cmd_last_window_entry },
+		{ 'n', 			  0, &cmd_next_window_entry },
+		{ 'o', 			  0, &cmd_down_pane_entry },
+		{ 'p', 			  0, &cmd_previous_window_entry },
+		{ 'r', 			  0, &cmd_refresh_client_entry },
+		{ 's', 			  0, &cmd_choose_session_entry },
+		{ 't', 			  0, &cmd_clock_mode_entry },
+		{ 'w', 			  0, &cmd_choose_window_entry },
+		{ 'x', 			  0, &cmd_confirm_before_entry },
+		{ '{',			  0, &cmd_swap_pane_entry },
+		{ '}',			  0, &cmd_swap_pane_entry },
+		{ '\002', 		  0, &cmd_send_prefix_entry },
+		{ KEYC_ADDESC('0'),	  0, &cmd_select_layout_entry },
+		{ KEYC_ADDESC('1'),	  0, &cmd_select_layout_entry },
+		{ KEYC_ADDESC('2'),	  0, &cmd_select_layout_entry },
+		{ KEYC_ADDESC('9'),	  0, &cmd_select_layout_entry },
+		{ KEYC_ADDCTL(KEYC_DOWN), 1, &cmd_resize_pane_entry },
+		{ KEYC_PPAGE, 		  0, &cmd_scroll_mode_entry },
+		{ KEYC_ADDESC('n'), 	  0, &cmd_next_window_entry },
+		{ KEYC_ADDESC('p'), 	  0, &cmd_previous_window_entry },
+		{ KEYC_UP, 		  1, &cmd_up_pane_entry },
+		{ KEYC_DOWN, 		  1, &cmd_down_pane_entry },
+		{ KEYC_ADDESC(KEYC_UP),   1, &cmd_resize_pane_entry },
+		{ KEYC_ADDESC(KEYC_DOWN), 1, &cmd_resize_pane_entry },
+		{ KEYC_ADDCTL(KEYC_UP),   1, &cmd_resize_pane_entry },
+		{ KEYC_ADDCTL(KEYC_DOWN), 1, &cmd_resize_pane_entry },
+		{ KEYC_ADDESC('o'),	  0, &cmd_rotate_window_entry },
+		{ '\017',	          0, &cmd_rotate_window_entry },
+	};
+	u_int		 i;
+	struct cmd	*cmd;
+	struct cmd_list	*cmdlist;
+
+	SPLAY_INIT(&key_bindings);
+
+	for (i = 0; i < nitems(table); i++) {
+		cmdlist = xmalloc(sizeof *cmdlist);
+		TAILQ_INIT(cmdlist);
+
+		cmd = xmalloc(sizeof *cmd);
+		cmd->entry = table[i].entry;
+		cmd->data = NULL;
+		if (cmd->entry->init != NULL)
+			cmd->entry->init(cmd, table[i].key);
+		TAILQ_INSERT_HEAD(cmdlist, cmd, qentry);
+
+		key_bindings_add(table[i].key, table[i].can_repeat, cmdlist);
+	}
+}
+
+void
+key_bindings_free(void)
+{
+	struct key_binding	*bd;
+
+	while (!SPLAY_EMPTY(&key_bindings)) {
+		bd = SPLAY_ROOT(&key_bindings);
+		SPLAY_REMOVE(key_bindings, &key_bindings, bd);
+		cmd_list_free(bd->cmdlist);
+		xfree(bd);
+	}
+}
+
+void printflike2
+key_bindings_error(struct cmd_ctx *ctx, const char *fmt, ...)
+{
+	va_list	ap;
+	char   *msg;
+
+	va_start(ap, fmt);
+	xvasprintf(&msg, fmt, ap);
+	va_end(ap);
+
+	*msg = toupper((u_char) *msg);
+ 	status_message_set(ctx->curclient, msg);
+	xfree(msg);
+}
+
+void printflike2
+key_bindings_print(struct cmd_ctx *ctx, const char *fmt, ...)
+{
+	struct winlink	*wl = ctx->cursession->curw;
+	va_list		 ap;
+
+	if (wl->window->active->mode != &window_more_mode)
+		window_pane_reset_mode(wl->window->active);
+	window_pane_set_mode(wl->window->active, &window_more_mode);
+
+	va_start(ap, fmt);
+	window_more_vadd(wl->window->active, fmt, ap);
+	va_end(ap);
+}
+
+void printflike2
+key_bindings_info(struct cmd_ctx *ctx, const char *fmt, ...)
+{
+	va_list	ap;
+	char   *msg;
+
+	if (be_quiet)
+		return;
+
+	va_start(ap, fmt);
+	xvasprintf(&msg, fmt, ap);
+	va_end(ap);
+
+	*msg = toupper((u_char) *msg);
+ 	status_message_set(ctx->curclient, msg);
+	xfree(msg);
+}
+
+void
+key_bindings_dispatch(struct key_binding *bd, struct client *c)
+{
+	struct cmd_ctx	 	 ctx;
+
+	ctx.msgdata = NULL;
+	ctx.cursession = c->session;
+	ctx.curclient = c;
+
+	ctx.error = key_bindings_error;
+	ctx.print = key_bindings_print;
+	ctx.info = key_bindings_info;
+
+	ctx.cmdclient = NULL;
+
+	cmd_list_exec(bd->cmdlist, &ctx);
+}