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Use a macro-based mask for obtaining a key or modifier-set from the

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combination. Display C-@, etc, as C-Space, in list-keys. By Micah Cowan.
This commit is contained in:
Nicholas Marriott
2010-06-06 19:00:13 +00:00
parent 4e3bed2035
commit dcc100f165
3 changed files with 17 additions and 4 deletions
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11
key-string.c
View File

@@ -184,6 +184,15 @@ key_string_lookup_key(int key)
*out = '\0';
/*
* Special case: display C-@ as C-Space. Could do this below in
* the (key >= 0 && key <= 32), but this way we let it be found
* in key_string_table, for the unlikely chance that we might
* change its name.
*/
if ((key & KEYC_MASK_KEY) == 0)
key = ' ' | KEYC_CTRL | (key & KEYC_MASK_MOD);
/* Fill in the modifiers. */
if (key & KEYC_CTRL)
strlcat(out, "C-", sizeof out);
@@ -191,7 +200,7 @@ key_string_lookup_key(int key)
strlcat(out, "M-", sizeof out);
if (key & KEYC_SHIFT)
strlcat(out, "S-", sizeof out);
key &= ~(KEYC_CTRL|KEYC_ESCAPE|KEYC_SHIFT);
key &= KEYC_MASK_KEY;
/* Try the key against the string table. */
for (i = 0; i < nitems(key_string_table); i++) {

4
tmux.h
View File

@@ -111,6 +111,10 @@ extern char **environ;
#define KEYC_SHIFT 0x8000
#define KEYC_PREFIX 0x10000
/* Mask to obtain key w/o modifiers */
#define KEYC_MASK_MOD (KEYC_ESCAPE|KEYC_CTRL|KEYC_SHIFT|KEYC_PREFIX)
#define KEYC_MASK_KEY (~KEYC_MASK_MOD)
/* Other key codes. */
enum key_code {
/* Mouse key. */

6
window-copy.c
View File

@@ -367,7 +367,7 @@ window_copy_key(struct window_pane *wp, struct session *sess, int key)
if (data->inputtype == WINDOW_COPY_JUMPFORWARD
|| data->inputtype == WINDOW_COPY_JUMPBACK) {
/* Ignore keys with modifiers. */
if ((key & 0xff00) == 0) {
if ((key & KEYC_MASK_MOD) == 0) {
data->jumpchar = key;
if (data->inputtype == WINDOW_COPY_JUMPFORWARD) {
for (; np != 0; np--)
@@ -627,7 +627,7 @@ window_copy_key(struct window_pane *wp, struct session *sess, int key)
*data->inputstr = '\0';
goto input_on;
case MODEKEYCOPY_STARTNUMBERPREFIX:
key &= 0xff;
key &= KEYC_MASK_KEY;
if (key >= '0' && key <= '9') {
data->inputtype = WINDOW_COPY_NUMERICPREFIX;
data->numprefix = 0;
@@ -741,7 +741,7 @@ window_copy_key_numeric_prefix(struct window_pane *wp, int key)
struct window_copy_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
key &= 0xff;
key &= KEYC_MASK_KEY;
if (key < '0' || key > '9')
return 1;