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, 210 insertions, 0 deletions

diff --git a/mode-key.c b/mode-key.c
new file mode 100644
index 00000000..ba1d12d1
--- /dev/null
+++ b/mode-key.c
@@ -0,0 +1,210 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2008 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 "tmux.h"
+
+enum mode_key_cmd mode_key_lookup_vi(struct mode_key_data *, int);
+enum mode_key_cmd mode_key_lookup_emacs(struct mode_key_data *, int);
+
+void
+mode_key_init(struct mode_key_data *mdata, int type, int flags)
+{
+	mdata->type = type;
+
+	if (flags & MODEKEY_CANEDIT)
+		flags |= MODEKEY_EDITMODE;
+	mdata->flags = flags;
+}
+
+void
+mode_key_free(unused struct mode_key_data *mdata)
+{
+}
+
+enum mode_key_cmd
+mode_key_lookup(struct mode_key_data *mdata, int key)
+{
+	switch (mdata->type) {
+	case MODEKEY_VI:
+		return (mode_key_lookup_vi(mdata, key));
+	case MODEKEY_EMACS:
+		return (mode_key_lookup_emacs(mdata, key));
+	default:
+		fatalx("unknown mode key type");
+	}
+}
+
+enum mode_key_cmd
+mode_key_lookup_vi(struct mode_key_data *mdata, int key)
+{
+	if (KEYC_ISESC(key)) {
+		key = KEYC_REMOVEESC(key);
+		if (mdata->flags & MODEKEY_CANEDIT)
+			mdata->flags ^= MODEKEY_EDITMODE;
+	}
+
+
+	if (mdata->flags & MODEKEY_EDITMODE) {
+		switch (key) {
+		case '\003':
+			return (MODEKEYCMD_QUIT);
+		case '\033':
+			if (mdata->flags & MODEKEY_CANEDIT)
+				mdata->flags &= ~MODEKEY_EDITMODE;
+			return (MODEKEYCMD_NONE);
+		case '\010':
+		case '\177':
+			return (MODEKEYCMD_BACKSPACE);
+		case '\011':
+			return (MODEKEYCMD_COMPLETE);
+		case KEYC_DC:
+			return (MODEKEYCMD_DELETE);
+		case '\r':
+			return (MODEKEYCMD_CHOOSE);
+		}
+		return (MODEKEYCMD_OTHERKEY);
+	}
+
+	switch (key) {
+	case '\010':
+	case '\177':
+		return (MODEKEYCMD_LEFT);
+	case KEYC_DC:
+		return (MODEKEYCMD_DELETE);
+	case '\011':
+		return (MODEKEYCMD_COMPLETE);
+	case 'i':
+		if (mdata->flags & MODEKEY_CANEDIT)
+			mdata->flags |= MODEKEY_EDITMODE;
+		break;
+	case 'a':
+		if (mdata->flags & MODEKEY_CANEDIT) {
+			mdata->flags |= MODEKEY_EDITMODE;
+			return (MODEKEYCMD_RIGHT);
+		}
+		break;
+	case '\r':
+		if (mdata->flags & (MODEKEY_CANEDIT|MODEKEY_CHOOSEMODE))
+			return (MODEKEYCMD_CHOOSE);
+		return (MODEKEYCMD_COPYSELECTION);
+	case '0':
+	case '^':
+		return (MODEKEYCMD_STARTOFLINE);
+	case '\033':
+		return (MODEKEYCMD_CLEARSELECTION);
+	case 'j':
+	case KEYC_DOWN:
+		return (MODEKEYCMD_DOWN);
+	case '$':
+		return (MODEKEYCMD_ENDOFLINE);
+	case 'h':
+	case KEYC_LEFT:
+		return (MODEKEYCMD_LEFT);
+	case '\006':
+	case KEYC_NPAGE:
+		return (MODEKEYCMD_NEXTPAGE);
+	case 'w':
+		return (MODEKEYCMD_NEXTWORD);
+	case '\025':
+	case KEYC_PPAGE:
+		return (MODEKEYCMD_PREVIOUSPAGE);
+	case 'b':
+		return (MODEKEYCMD_PREVIOUSWORD);
+	case 'q':
+	case '\003':
+		return (MODEKEYCMD_QUIT);
+	case 'l':
+	case KEYC_RIGHT:
+		return (MODEKEYCMD_RIGHT);
+	case ' ':
+		return (MODEKEYCMD_STARTSELECTION);
+	case 'k':
+	case KEYC_UP:
+		return (MODEKEYCMD_UP);
+	case 'p':
+		return (MODEKEYCMD_PASTE);
+	}
+
+	return (MODEKEYCMD_NONE);
+}
+
+enum mode_key_cmd
+mode_key_lookup_emacs(struct mode_key_data *mdata, int key)
+{
+	switch (key) {
+	case '\010':
+	case '\177':
+		return (MODEKEYCMD_BACKSPACE);
+	case KEYC_DC:
+		return (MODEKEYCMD_DELETE);
+	case '\011':
+		return (MODEKEYCMD_COMPLETE);
+	case '\r':
+		return (MODEKEYCMD_CHOOSE);
+	case '\001':
+		return (MODEKEYCMD_STARTOFLINE);
+	case '\007':
+		return (MODEKEYCMD_CLEARSELECTION);
+	case '\027':
+	case KEYC_ADDESC('w'):
+		return (MODEKEYCMD_COPYSELECTION);
+	case '\016':
+	case KEYC_DOWN:
+		return (MODEKEYCMD_DOWN);
+	case '\005':
+		return (MODEKEYCMD_ENDOFLINE);
+	case '\002':
+	case KEYC_LEFT:
+		return (MODEKEYCMD_LEFT);
+	case ' ':
+		if (mdata->flags & MODEKEY_CANEDIT)
+			break;
+		/* FALLTHROUGH */
+	case '\026':
+	case KEYC_NPAGE:
+		return (MODEKEYCMD_NEXTPAGE);
+	case KEYC_ADDESC('f'):
+		return (MODEKEYCMD_NEXTWORD);
+	case '\031':
+		return (MODEKEYCMD_PASTE);
+	case KEYC_ADDESC('v'):
+	case KEYC_PPAGE:
+		return (MODEKEYCMD_PREVIOUSPAGE);
+	case KEYC_ADDESC('b'):
+		return (MODEKEYCMD_PREVIOUSWORD);
+	case '\006':
+	case KEYC_RIGHT:
+		return (MODEKEYCMD_RIGHT);
+	case '\000':
+		return (MODEKEYCMD_STARTSELECTION);
+	case '\020':
+	case KEYC_UP:
+		return (MODEKEYCMD_UP);
+	case 'q':
+		if (mdata->flags & MODEKEY_CANEDIT)
+			break;
+		/* FALLTHROUGH */
+	case '\003':
+	case '\033':
+		return (MODEKEYCMD_QUIT);
+	}
+
+	return (MODEKEYCMD_OTHERKEY);
+}