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Add support for scroll up escape sequence (CSI S) and use it when

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possible instead of sending individual line feeds.
This commit is contained in:
nicm
2017-02-08 17:31:09 +00:00
parent 13a0b6bb3f
commit e100d465da
5 changed files with 71 additions and 4 deletions
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5
input.c
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@ -222,6 +222,7 @@ enum input_csi_type {
INPUT_CSI_SGR,
INPUT_CSI_SM,
INPUT_CSI_SM_PRIVATE,
INPUT_CSI_SU,
INPUT_CSI_TBC,
INPUT_CSI_VPA,
INPUT_CSI_WINOPS,
@ -243,6 +244,7 @@ static const struct input_table_entry input_csi_table[] = {
{ 'L', "", INPUT_CSI_IL },
{ 'M', "", INPUT_CSI_DL },
{ 'P', "", INPUT_CSI_DCH },
{ 'S', "", INPUT_CSI_SU },
{ 'X', "", INPUT_CSI_ECH },
{ 'Z', "", INPUT_CSI_CBT },
{ 'c', "", INPUT_CSI_DA },
@ -1413,6 +1415,9 @@ input_csi_dispatch(struct input_ctx *ictx)
case INPUT_CSI_SM_PRIVATE:
input_csi_dispatch_sm_private(ictx);
break;
case INPUT_CSI_SU:
screen_write_scrollup(sctx, input_get(ictx, 0, 1, 1));
break;
case INPUT_CSI_TBC:
switch (input_get(ictx, 0, 0, 0)) {
case 0: