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wip: vt parsing

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Daniel Eklöf 2019-06-17 18:57:12 +02:00
parent 733223dd0c
commit 6d5f5b9f7a
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4 changed files with 99 additions and 14 deletions
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80
csi.c
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@ -1,5 +1,10 @@
#include "csi.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#define LOG_MODULE "csi"
#define LOG_ENABLE_DBG 1
#include "log.h"
@ -69,6 +74,21 @@ csi_sgr(struct terminal *term)
return true;
}
static bool
erase(struct terminal *term, int start, int end)
{
for (int i = start; i < end; i++) {
struct cell *cell = &term->grid.cells[i];
memset(cell, 0, sizeof(*cell));
cell->attrs.foreground = term->grid.foreground;
cell->attrs.background = term->grid.background;
cell->dirty = true;
term->grid.dirty = true;
}
return true;
}
bool
csi_dispatch(struct terminal *term, uint8_t final)
{
@ -79,9 +99,63 @@ csi_dispatch(struct terminal *term, uint8_t final)
LOG_DBG(" #%zu: %u", j, term->vt.params.v[i].sub.value[j]);
}
if (final == 'm' && term->vt.intermediates.idx == 0) {
return csi_sgr(term);
if (term->vt.intermediates.idx == 0) {
switch (final) {
case 'c':
write(term->ptmx, "\033[?6c", 5);
return true;
case 'm':
return csi_sgr(term);
case 'J': {
assert(term->vt.params.idx == 0);
int start = term->grid.cursor / term->grid.cols * term->grid.cols;
int end = term->grid.cols * term->grid.rows;
return erase(term, start, end);
}
case 'K': {
assert(term->vt.params.idx == 0);
int start = term->grid.cursor;
int end = (start + term->grid.cols - 1) / term->grid.cols * term->grid.cols - 1;
assert(start <= end);
assert((end + 1) % term->grid.cols == 0);
return erase(term, start, end);
}
case 'C': {
int count = term->vt.params.idx > 0 ? term->vt.params.v[0].value : 1;
int new_cursor = term->grid.cursor + count;
term->grid.cells[term->grid.cursor].dirty = true;
term->grid.cells[new_cursor].dirty = true;
term->grid.cursor = new_cursor;
term->grid.dirty = true;
return true;
}
case 'D': {
int count = term->vt.params.idx > 0 ? term->vt.params.v[0].value : 1;
int new_cursor = term->grid.cursor - count;
term->grid.cells[term->grid.cursor].dirty = true;
term->grid.cells[new_cursor].dirty = true;
term->grid.cursor = new_cursor;
term->grid.dirty = true;
return true;
}
default:
LOG_ERR("CSI: unimplemented final: %c", final);
abort();
}
} else {
LOG_ERR("CSI: unimplemented: intermediates: %.*s",
(int)term->vt.intermediates.idx,
term->vt.intermediates.data);
//abort();
return true;
}
return true;
return false;
}