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Add a terminal feature for enable/disable extended keys (supported by

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xterm and mintty) and add an option to make tmux send it. Only forward
extended keys if the application has requested them, even though we use
the CSI u sequence and xterm uses CSI 27 ~ - this is what mintty does as
well.
This commit is contained in:
nicm
2020-05-16 16:44:54 +00:00
parent 292b335ca5
commit 0ab82d9531
8 changed files with 802 additions and 329 deletions
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19
input.c
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@ -241,6 +241,8 @@ enum input_csi_type {
INPUT_CSI_HPA,
INPUT_CSI_ICH,
INPUT_CSI_IL,
INPUT_CSI_MODOFF,
INPUT_CSI_MODSET,
INPUT_CSI_RCP,
INPUT_CSI_REP,
INPUT_CSI_RM,
@ -289,7 +291,9 @@ static const struct input_table_entry input_csi_table[] = {
{ 'l', "", INPUT_CSI_RM },
{ 'l', "?", INPUT_CSI_RM_PRIVATE },
{ 'm', "", INPUT_CSI_SGR },
{ 'm', ">", INPUT_CSI_MODSET },
{ 'n', "", INPUT_CSI_DSR },
{ 'n', ">", INPUT_CSI_MODOFF },
{ 'q', " ", INPUT_CSI_DECSCUSR },
{ 'q', ">", INPUT_CSI_XDA },
{ 'r', "", INPUT_CSI_DECSTBM },
@ -1380,6 +1384,19 @@ input_csi_dispatch(struct input_ctx *ictx)
if (n != -1 && m != -1)
screen_write_cursormove(sctx, m - 1, n - 1, 1);
break;
case INPUT_CSI_MODSET:
n = input_get(ictx, 0, 0, 0);
m = input_get(ictx, 1, 0, 0);
if (n == 0 || (n == 4 && m == 0))
screen_write_mode_clear(sctx, MODE_KEXTENDED);
else if (n == 4 && (m == 1 || m == 2))
screen_write_mode_set(sctx, MODE_KEXTENDED);
break;
case INPUT_CSI_MODOFF:
n = input_get(ictx, 0, 0, 0);
if (n == 4)
screen_write_mode_clear(sctx, MODE_KEXTENDED);
break;
case INPUT_CSI_WINOPS:
input_csi_dispatch_winops(ictx);
break;
@ -1593,7 +1610,7 @@ input_csi_dispatch(struct input_ctx *ictx)
break;
case INPUT_CSI_XDA:
n = input_get(ictx, 0, 0, 0);
if (n != 0)
if (n == 0)
input_reply(ictx, "\033P>|tmux %s\033\\", getversion());
break;