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authorTiago Cunha <tcunha@gmx.com>2009-10-28 22:54:54 +0000
committerTiago Cunha <tcunha@gmx.com>2009-10-28 22:54:54 +0000
commitdd8174f5456b0f0ecbcc24d83e5e9a54a53ff601 (patch)
tree4022463be8be76bc754b67a6af07f7ad5a7dc693 /input-keys.c
parent5350212e530fb2a187335fff0ddd104b1bd380d3 (diff)
Sync OpenBSD patchset 452:
Add or fix some comments.
Diffstat (limited to 'input-keys.c')
-rw-r--r--input-keys.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/input-keys.c b/input-keys.c
index a688bf77..91bd4025 100644
--- a/input-keys.c
+++ b/input-keys.c
@@ -1,4 +1,4 @@
-/* $Id: input-keys.c,v 1.33 2009-10-28 22:54:00 tcunha Exp $ */
+/* $Id: input-keys.c,v 1.34 2009-10-28 22:54:54 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -24,6 +24,13 @@
#include "tmux.h"
+/*
+ * This file is rather misleadingly named, it contains the code which takes a
+ * key code and translates it into something suitable to be sent to the
+ * application running in a pane (similar to input.c does in the other
+ * direction with output).
+ */
+
struct input_key_ent {
int key;
const char *data;
@@ -88,7 +95,7 @@ struct input_key_ent input_keys[] = {
{ KEYC_RIGHT, "\033[C", 0 },
{ KEYC_LEFT, "\033[D", 0 },
- /* Keypad keys. Keypad versions must come first.*/
+ /* Keypad keys. Keypad versions must come first. */
{ KEYC_KP_SLASH, "/", INPUTKEY_KEYPAD },
{ KEYC_KP_STAR, "*", INPUTKEY_KEYPAD },
{ KEYC_KP_MINUS, "-", INPUTKEY_KEYPAD },
@@ -124,18 +131,20 @@ struct input_key_ent input_keys[] = {
{ KEYC_KP_PERIOD, "\033On", 0 },
};
-/* Translate a key code from client into an output key sequence. */
+/* Translate a key code into an output key sequence. */
void
input_key(struct window_pane *wp, int key)
{
struct input_key_ent *ike;
u_int i;
- char ch;
size_t dlen;
- int xterm_keys;
log_debug2("writing key 0x%x", key);
+ /*
+ * If this is a normal 7-bit key, just send it, with a leading escape
+ * if necessary.
+ */
if (key != KEYC_NONE && (key & ~KEYC_ESCAPE) < 0x100) {
if (key & KEYC_ESCAPE)
buffer_write8(wp->out, '\033');
@@ -143,6 +152,7 @@ input_key(struct window_pane *wp, int key)
return;
}
+ /* Otherwise look the key up in the table. */
for (i = 0; i < nitems(input_keys); i++) {
ike = &input_keys[i];
@@ -172,10 +182,7 @@ input_key(struct window_pane *wp, int key)
log_debug2("found key 0x%x: \"%s\"", key, ike->data);
- /*
- * Not in xterm mode. Prefix a \033 for escape, and set bit 5 of the
- * last byte for ctrl.
- */
+ /* Prefix a \033 for escape and set bit 5 of the last byte for ctrl. */
if (key & KEYC_ESCAPE)
buffer_write8(wp->out, '\033');
if (key & KEYC_CTRL && ike->flags & INPUTKEY_CTRL) {
@@ -186,7 +193,7 @@ input_key(struct window_pane *wp, int key)
buffer_write(wp->out, ike->data, dlen);
}
-/* Handle input mouse. */
+/* Translate mouse and output. */
void
input_mouse(struct window_pane *wp, struct mouse_event *m)
{