mirror of
https://codeberg.org/dnkl/foot.git
synced 2026-02-04 04:06:06 -05:00
1786 lines
57 KiB
C
1786 lines
57 KiB
C
#include "csi.h"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#if defined(_DEBUG)
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#include <stdio.h>
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#endif
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#include <sys/timerfd.h>
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#define LOG_MODULE "csi"
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#define LOG_ENABLE_DBG 0
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#include "log.h"
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#include "char32.h"
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#include "config.h"
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#include "debug.h"
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#include "grid.h"
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#include "selection.h"
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#include "sixel.h"
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#include "util.h"
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#include "version.h"
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#include "vt.h"
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#include "xmalloc.h"
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#include "xsnprintf.h"
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#define UNHANDLED() LOG_DBG("unhandled: %s", csi_as_string(term, final, -1))
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#define UNHANDLED_SGR(idx) LOG_DBG("unhandled: %s", csi_as_string(term, 'm', idx))
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static void
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sgr_reset(struct terminal *term)
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{
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memset(&term->vt.attrs, 0, sizeof(term->vt.attrs));
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}
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static const char *
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csi_as_string(struct terminal *term, uint8_t final, int idx)
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{
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static char msg[1024];
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int c = snprintf(msg, sizeof(msg), "CSI: ");
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for (size_t i = idx >= 0 ? idx : 0;
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i < (idx >= 0 ? idx + 1 : term->vt.params.idx);
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i++)
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{
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c += snprintf(&msg[c], sizeof(msg) - c, "%u",
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term->vt.params.v[i].value);
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for (size_t j = 0; j < term->vt.params.v[i].sub.idx; j++) {
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c += snprintf(&msg[c], sizeof(msg) - c, ":%u",
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term->vt.params.v[i].sub.value[j]);
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}
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c += snprintf(&msg[c], sizeof(msg) - c, "%s",
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i == term->vt.params.idx - 1 ? "" : ";");
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}
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for (size_t i = 0; i < sizeof(term->vt.private); i++) {
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char value = (term->vt.private >> (i * 8)) & 0xff;
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if (value == 0)
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break;
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c += snprintf(&msg[c], sizeof(msg) - c, "%c", value);
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}
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snprintf(&msg[c], sizeof(msg) - c, "%c (%u parameters)",
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final, idx >= 0 ? 1 : term->vt.params.idx);
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return msg;
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}
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static void
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csi_sgr(struct terminal *term)
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{
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if (term->vt.params.idx == 0) {
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sgr_reset(term);
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return;
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}
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for (size_t i = 0; i < term->vt.params.idx; i++) {
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const int param = term->vt.params.v[i].value;
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switch (param) {
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case 0:
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sgr_reset(term);
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break;
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case 1: term->vt.attrs.bold = true; break;
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case 2: term->vt.attrs.dim = true; break;
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case 3: term->vt.attrs.italic = true; break;
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case 4: term->vt.attrs.underline = true; break;
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case 5: term->vt.attrs.blink = true; break;
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case 6: LOG_WARN("ignored: rapid blink"); break;
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case 7: term->vt.attrs.reverse = true; break;
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case 8: term->vt.attrs.conceal = true; break;
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case 9: term->vt.attrs.strikethrough = true; break;
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case 21: break; /* double-underline, not implemented */
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case 22: term->vt.attrs.bold = term->vt.attrs.dim = false; break;
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case 23: term->vt.attrs.italic = false; break;
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case 24: term->vt.attrs.underline = false; break;
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case 25: term->vt.attrs.blink = false; break;
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case 26: break; /* rapid blink, ignored */
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case 27: term->vt.attrs.reverse = false; break;
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case 28: term->vt.attrs.conceal = false; break;
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case 29: term->vt.attrs.strikethrough = false; break;
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/* Regular foreground colors */
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case 30:
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case 31:
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case 32:
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case 33:
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case 34:
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case 35:
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case 36:
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case 37:
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term->vt.attrs.fg_src = COLOR_BASE16;
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term->vt.attrs.fg = param - 30;
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break;
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case 38:
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case 48: {
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uint32_t color;
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enum color_source src;
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/* Indexed: 38;5;<idx> */
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if (term->vt.params.idx - i - 1 >= 2 &&
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term->vt.params.v[i + 1].value == 5)
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{
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src = COLOR_BASE256;
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color = min(term->vt.params.v[i + 2].value,
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ALEN(term->colors.table) - 1);
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i += 2;
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}
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/* RGB: 38;2;<r>;<g>;<b> */
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else if (term->vt.params.idx - i - 1 >= 4 &&
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term->vt.params.v[i + 1].value == 2)
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{
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uint8_t r = term->vt.params.v[i + 2].value;
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uint8_t g = term->vt.params.v[i + 3].value;
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uint8_t b = term->vt.params.v[i + 4].value;
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src = COLOR_RGB;
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color = r << 16 | g << 8 | b;
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i += 4;
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}
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/* Indexed: 38:5:<idx> */
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else if (term->vt.params.v[i].sub.idx >= 2 &&
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term->vt.params.v[i].sub.value[0] == 5)
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{
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src = COLOR_BASE256;
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color = min(term->vt.params.v[i].sub.value[1],
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ALEN(term->colors.table) - 1);
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}
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/*
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* RGB: 38:2:<color-space>:r:g:b[:ignored:tolerance:tolerance-color-space]
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* RGB: 38:2:r:g:b
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*
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* The second version is a "bastard" version - many
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* programs "forget" the color space ID
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* parameter... *sigh*
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*/
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else if (term->vt.params.v[i].sub.idx >= 4 &&
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term->vt.params.v[i].sub.value[0] == 2)
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{
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const struct vt_param *param = &term->vt.params.v[i];
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bool have_color_space_id = param->sub.idx >= 5;
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/* 0 - color space (ignored) */
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int r_idx = 2 - !have_color_space_id;
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int g_idx = 3 - !have_color_space_id;
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int b_idx = 4 - !have_color_space_id;
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/* 5 - unused */
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/* 6 - CS tolerance */
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/* 7 - color space associated with tolerance */
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uint8_t r = param->sub.value[r_idx];
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uint8_t g = param->sub.value[g_idx];
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uint8_t b = param->sub.value[b_idx];
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src = COLOR_RGB;
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color = r << 16 | g << 8 | b;
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}
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/* Transparent: 38:1 */
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/* CMY: 38:3:<color-space>:c:m:y[:tolerance:tolerance-color-space] */
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/* CMYK: 38:4:<color-space>:c:m:y:k[:tolerance:tolerance-color-space] */
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/* Unrecognized */
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else {
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UNHANDLED_SGR(i);
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break;
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}
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if (param == 38) {
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term->vt.attrs.fg_src = src;
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term->vt.attrs.fg = color;
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} else {
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xassert(param == 48);
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term->vt.attrs.bg_src = src;
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term->vt.attrs.bg = color;
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}
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break;
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}
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case 39:
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term->vt.attrs.fg_src = COLOR_DEFAULT;
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break;
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/* Regular background colors */
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case 40:
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case 41:
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case 42:
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case 43:
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case 44:
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case 45:
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case 46:
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case 47:
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term->vt.attrs.bg_src = COLOR_BASE16;
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term->vt.attrs.bg = param - 40;
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break;
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case 49:
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term->vt.attrs.bg_src = COLOR_DEFAULT;
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break;
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/* Bright foreground colors */
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case 90:
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case 91:
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case 92:
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case 93:
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case 94:
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case 95:
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case 96:
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case 97:
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term->vt.attrs.fg_src = COLOR_BASE16;
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term->vt.attrs.fg = param - 90 + 8;
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break;
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/* Bright background colors */
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case 100:
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case 101:
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case 102:
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case 103:
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case 104:
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case 105:
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case 106:
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case 107:
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term->vt.attrs.bg_src = COLOR_BASE16;
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term->vt.attrs.bg = param - 100 + 8;
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break;
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default:
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UNHANDLED_SGR(i);
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break;
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}
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}
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}
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static void
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decset_decrst(struct terminal *term, unsigned param, bool enable)
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{
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#if defined(_DEBUG)
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/* For UNHANDLED() */
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int UNUSED final = enable ? 'h' : 'l';
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#endif
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/* Note: update XTSAVE/XTRESTORE if adding/removing things here */
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switch (param) {
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case 1:
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/* DECCKM */
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term->cursor_keys_mode =
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enable ? CURSOR_KEYS_APPLICATION : CURSOR_KEYS_NORMAL;
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break;
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case 5:
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/* DECSCNM */
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term->reverse = enable;
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term_damage_all(term);
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term_damage_margins(term);
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break;
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case 6: {
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/* DECOM */
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term->origin = enable ? ORIGIN_RELATIVE : ORIGIN_ABSOLUTE;
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term_cursor_home(term);
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break;
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}
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case 7:
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/* DECAWM */
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term->auto_margin = enable;
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term->grid->cursor.lcf = false;
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break;
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case 9:
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if (enable)
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LOG_WARN("unimplemented: X10 mouse tracking mode");
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#if 0
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else if (term->mouse_tracking == MOUSE_X10)
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term->mouse_tracking = MOUSE_NONE;
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#endif
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break;
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case 12:
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term->cursor_blink.decset = enable;
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term_cursor_blink_update(term);
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break;
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case 25:
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/* DECTCEM */
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term->hide_cursor = !enable;
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break;
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case 45:
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term->reverse_wrap = enable;
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break;
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case 66:
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/* DECNKM */
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term->keypad_keys_mode = enable ? KEYPAD_APPLICATION : KEYPAD_NUMERICAL;
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break;
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case 80:
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term->sixel.scrolling = !enable;
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break;
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case 1000:
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if (enable)
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term->mouse_tracking = MOUSE_CLICK;
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else if (term->mouse_tracking == MOUSE_CLICK)
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term->mouse_tracking = MOUSE_NONE;
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term_xcursor_update(term);
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break;
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case 1001:
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if (enable)
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LOG_WARN("unimplemented: highlight mouse tracking");
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break;
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case 1002:
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if (enable)
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term->mouse_tracking = MOUSE_DRAG;
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else if (term->mouse_tracking == MOUSE_DRAG)
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term->mouse_tracking = MOUSE_NONE;
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term_xcursor_update(term);
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break;
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case 1003:
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if (enable)
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term->mouse_tracking = MOUSE_MOTION;
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else if (term->mouse_tracking == MOUSE_MOTION)
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term->mouse_tracking = MOUSE_NONE;
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term_xcursor_update(term);
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break;
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case 1004:
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term->focus_events = enable;
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break;
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case 1005:
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if (enable)
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LOG_WARN("unimplemented: mouse reporting mode: UTF-8");
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#if 0
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else if (term->mouse_reporting == MOUSE_UTF8)
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term->mouse_reporting = MOUSE_NONE;
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#endif
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break;
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case 1006:
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if (enable)
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term->mouse_reporting = MOUSE_SGR;
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else if (term->mouse_reporting == MOUSE_SGR)
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term->mouse_reporting = MOUSE_NORMAL;
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break;
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case 1007:
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term->alt_scrolling = enable;
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break;
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case 1015:
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if (enable)
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term->mouse_reporting = MOUSE_URXVT;
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else if (term->mouse_reporting == MOUSE_URXVT)
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term->mouse_reporting = MOUSE_NORMAL;
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break;
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case 1016:
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if (enable)
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term->mouse_reporting = MOUSE_SGR_PIXELS;
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else if (term->mouse_reporting == MOUSE_SGR_PIXELS)
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term->mouse_reporting = MOUSE_NORMAL;
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break;
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case 1034:
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/* smm */
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LOG_DBG("%s 8-bit meta mode", enable ? "enabling" : "disabling");
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term->meta.eight_bit = enable;
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break;
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case 1035:
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/* numLock */
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LOG_DBG("%s Num Lock modifier", enable ? "enabling" : "disabling");
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term->num_lock_modifier = enable;
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break;
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case 1036:
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/* metaSendsEscape */
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LOG_DBG("%s meta-sends-escape", enable ? "enabling" : "disabling");
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term->meta.esc_prefix = enable;
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break;
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case 1042:
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term->bell_action_enabled = enable;
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break;
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#if 0
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case 1043:
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LOG_WARN("unimplemented: raise window on ctrl-g");
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break;
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#endif
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case 1048:
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if (enable)
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term_save_cursor(term);
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else
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term_restore_cursor(term, &term->grid->saved_cursor);
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break;
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case 47:
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case 1047:
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case 1049:
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if (enable && term->grid != &term->alt) {
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selection_cancel(term);
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if (param == 1049)
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term_save_cursor(term);
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term->grid = &term->alt;
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/* Cursor retains its position from the normal grid */
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term_cursor_to(
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term,
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min(term->normal.cursor.point.row, term->rows - 1),
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min(term->normal.cursor.point.col, term->cols - 1));
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tll_free(term->normal.scroll_damage);
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term_erase(term, 0, 0, term->rows - 1, term->cols - 1);
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}
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else if (!enable && term->grid == &term->alt) {
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selection_cancel(term);
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term->grid = &term->normal;
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/* Cursor retains its position from the alt grid */
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term_cursor_to(
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term, min(term->alt.cursor.point.row, term->rows - 1),
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min(term->alt.cursor.point.col, term->cols - 1));
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if (param == 1049)
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term_restore_cursor(term, &term->grid->saved_cursor);
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/* Delete all sixel images on the alt screen */
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tll_foreach(term->alt.sixel_images, it) {
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sixel_destroy(&it->item);
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tll_remove(term->alt.sixel_images, it);
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}
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tll_free(term->alt.scroll_damage);
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term_damage_view(term);
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}
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term_update_ascii_printer(term);
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break;
|
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|
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case 1070:
|
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term->sixel.use_private_palette = enable;
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break;
|
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|
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case 2004:
|
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term->bracketed_paste = enable;
|
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break;
|
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|
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case 2026:
|
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if (enable)
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term_enable_app_sync_updates(term);
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else
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term_disable_app_sync_updates(term);
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break;
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|
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case 2027:
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term->grapheme_shaping = enable;
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break;
|
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|
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case 8452:
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term->sixel.cursor_right_of_graphics = enable;
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break;
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||
|
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case 737769:
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if (enable)
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term_ime_enable(term);
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else
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term_ime_disable(term);
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break;
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default:
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UNHANDLED();
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break;
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}
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}
|
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static void
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decset(struct terminal *term, unsigned param)
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{
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decset_decrst(term, param, true);
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}
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||
|
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static void
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decrst(struct terminal *term, unsigned param)
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{
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decset_decrst(term, param, false);
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}
|
||
|
||
/*
|
||
* These values represent the current state of a DEC private mode,
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||
* as returned in the DECRPM reply to a DECRQM query.
|
||
*/
|
||
enum decrpm_status {
|
||
DECRPM_NOT_RECOGNIZED = 0,
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||
DECRPM_SET = 1,
|
||
DECRPM_RESET = 2,
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||
DECRPM_PERMANENTLY_SET = 3,
|
||
DECRPM_PERMANENTLY_RESET = 4,
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||
};
|
||
|
||
static enum decrpm_status
|
||
decrpm(bool enabled)
|
||
{
|
||
return enabled ? DECRPM_SET : DECRPM_RESET;
|
||
}
|
||
|
||
static enum decrpm_status
|
||
decrqm(const struct terminal *term, unsigned param)
|
||
{
|
||
switch (param) {
|
||
case 1: return decrpm(term->cursor_keys_mode == CURSOR_KEYS_APPLICATION);
|
||
case 5: return decrpm(term->reverse);
|
||
case 6: return decrpm(term->origin);
|
||
case 7: return decrpm(term->auto_margin);
|
||
case 9: return DECRPM_PERMANENTLY_RESET; /* term->mouse_tracking == MOUSE_X10; */
|
||
case 12: return decrpm(term->cursor_blink.decset);
|
||
case 25: return decrpm(!term->hide_cursor);
|
||
case 45: return decrpm(term->reverse_wrap);
|
||
case 66: return decrpm(term->keypad_keys_mode == KEYPAD_APPLICATION);
|
||
case 80: return decrpm(!term->sixel.scrolling);
|
||
case 1000: return decrpm(term->mouse_tracking == MOUSE_CLICK);
|
||
case 1001: return DECRPM_PERMANENTLY_RESET;
|
||
case 1002: return decrpm(term->mouse_tracking == MOUSE_DRAG);
|
||
case 1003: return decrpm(term->mouse_tracking == MOUSE_MOTION);
|
||
case 1004: return decrpm(term->focus_events);
|
||
case 1005: return DECRPM_PERMANENTLY_RESET; /* term->mouse_reporting == MOUSE_UTF8; */
|
||
case 1006: return decrpm(term->mouse_reporting == MOUSE_SGR);
|
||
case 1007: return decrpm(term->alt_scrolling);
|
||
case 1015: return decrpm(term->mouse_reporting == MOUSE_URXVT);
|
||
case 1016: return decrpm(term->mouse_reporting == MOUSE_SGR_PIXELS);
|
||
case 1034: return decrpm(term->meta.eight_bit);
|
||
case 1035: return decrpm(term->num_lock_modifier);
|
||
case 1036: return decrpm(term->meta.esc_prefix);
|
||
case 1042: return decrpm(term->bell_action_enabled);
|
||
case 47: /* FALLTHROUGH */
|
||
case 1047: /* FALLTHROUGH */
|
||
case 1049: return decrpm(term->grid == &term->alt);
|
||
case 1070: return decrpm(term->sixel.use_private_palette);
|
||
case 2004: return decrpm(term->bracketed_paste);
|
||
case 2026: return decrpm(term->render.app_sync_updates.enabled);
|
||
case 2027: return term->conf->tweak.grapheme_width_method != GRAPHEME_WIDTH_DOUBLE
|
||
? DECRPM_PERMANENTLY_RESET
|
||
: decrpm(term->grapheme_shaping);
|
||
case 8452: return decrpm(term->sixel.cursor_right_of_graphics);
|
||
case 737769: return decrpm(term_ime_is_enabled(term));
|
||
}
|
||
|
||
return DECRPM_NOT_RECOGNIZED;
|
||
}
|
||
|
||
static void
|
||
xtsave(struct terminal *term, unsigned param)
|
||
{
|
||
switch (param) {
|
||
case 1: term->xtsave.application_cursor_keys = term->cursor_keys_mode == CURSOR_KEYS_APPLICATION; break;
|
||
case 5: term->xtsave.reverse = term->reverse; break;
|
||
case 6: term->xtsave.origin = term->origin; break;
|
||
case 7: term->xtsave.auto_margin = term->auto_margin; break;
|
||
case 9: /* term->xtsave.mouse_x10 = term->mouse_tracking == MOUSE_X10; */ break;
|
||
case 12: term->xtsave.cursor_blink = term->cursor_blink.decset; break;
|
||
case 25: term->xtsave.show_cursor = !term->hide_cursor; break;
|
||
case 45: term->xtsave.reverse_wrap = term->reverse_wrap; break;
|
||
case 47: term->xtsave.alt_screen = term->grid == &term->alt; break;
|
||
case 66: term->xtsave.application_keypad_keys = term->keypad_keys_mode == KEYPAD_APPLICATION; break;
|
||
case 80: term->xtsave.sixel_display_mode = !term->sixel.scrolling; break;
|
||
case 1000: term->xtsave.mouse_click = term->mouse_tracking == MOUSE_CLICK; break;
|
||
case 1001: break;
|
||
case 1002: term->xtsave.mouse_drag = term->mouse_tracking == MOUSE_DRAG; break;
|
||
case 1003: term->xtsave.mouse_motion = term->mouse_tracking == MOUSE_MOTION; break;
|
||
case 1004: term->xtsave.focus_events = term->focus_events; break;
|
||
case 1005: /* term->xtsave.mouse_utf8 = term->mouse_reporting == MOUSE_UTF8; */ break;
|
||
case 1006: term->xtsave.mouse_sgr = term->mouse_reporting == MOUSE_SGR; break;
|
||
case 1007: term->xtsave.alt_scrolling = term->alt_scrolling; break;
|
||
case 1015: term->xtsave.mouse_urxvt = term->mouse_reporting == MOUSE_URXVT; break;
|
||
case 1016: term->xtsave.mouse_sgr_pixels = term->mouse_reporting == MOUSE_SGR_PIXELS; break;
|
||
case 1034: term->xtsave.meta_eight_bit = term->meta.eight_bit; break;
|
||
case 1035: term->xtsave.num_lock_modifier = term->num_lock_modifier; break;
|
||
case 1036: term->xtsave.meta_esc_prefix = term->meta.esc_prefix; break;
|
||
case 1042: term->xtsave.bell_action_enabled = term->bell_action_enabled; break;
|
||
case 1047: term->xtsave.alt_screen = term->grid == &term->alt; break;
|
||
case 1048: term_save_cursor(term); break;
|
||
case 1049: term->xtsave.alt_screen = term->grid == &term->alt; break;
|
||
case 1070: term->xtsave.sixel_private_palette = term->sixel.use_private_palette; break;
|
||
case 2004: term->xtsave.bracketed_paste = term->bracketed_paste; break;
|
||
case 2026: term->xtsave.app_sync_updates = term->render.app_sync_updates.enabled; break;
|
||
case 2027: term->xtsave.grapheme_shaping = term->grapheme_shaping; break;
|
||
case 8452: term->xtsave.sixel_cursor_right_of_graphics = term->sixel.cursor_right_of_graphics; break;
|
||
case 737769: term->xtsave.ime = term_ime_is_enabled(term); break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
xtrestore(struct terminal *term, unsigned param)
|
||
{
|
||
bool enable;
|
||
switch (param) {
|
||
case 1: enable = term->xtsave.application_cursor_keys; break;
|
||
case 5: enable = term->xtsave.reverse; break;
|
||
case 6: enable = term->xtsave.origin; break;
|
||
case 7: enable = term->xtsave.auto_margin; break;
|
||
case 9: /* enable = term->xtsave.mouse_x10; break; */ return;
|
||
case 12: enable = term->xtsave.cursor_blink; break;
|
||
case 25: enable = term->xtsave.show_cursor; break;
|
||
case 45: enable = term->xtsave.reverse_wrap; break;
|
||
case 47: enable = term->xtsave.alt_screen; break;
|
||
case 66: enable = term->xtsave.application_keypad_keys; break;
|
||
case 80: enable = term->xtsave.sixel_display_mode; break;
|
||
case 1000: enable = term->xtsave.mouse_click; break;
|
||
case 1001: return;
|
||
case 1002: enable = term->xtsave.mouse_drag; break;
|
||
case 1003: enable = term->xtsave.mouse_motion; break;
|
||
case 1004: enable = term->xtsave.focus_events; break;
|
||
case 1005: /* enable = term->xtsave.mouse_utf8; break; */ return;
|
||
case 1006: enable = term->xtsave.mouse_sgr; break;
|
||
case 1007: enable = term->xtsave.alt_scrolling; break;
|
||
case 1015: enable = term->xtsave.mouse_urxvt; break;
|
||
case 1016: enable = term->xtsave.mouse_sgr_pixels; break;
|
||
case 1034: enable = term->xtsave.meta_eight_bit; break;
|
||
case 1035: enable = term->xtsave.num_lock_modifier; break;
|
||
case 1036: enable = term->xtsave.meta_esc_prefix; break;
|
||
case 1042: enable = term->xtsave.bell_action_enabled; break;
|
||
case 1047: enable = term->xtsave.alt_screen; break;
|
||
case 1048: enable = true; break;
|
||
case 1049: enable = term->xtsave.alt_screen; break;
|
||
case 1070: enable = term->xtsave.sixel_private_palette; break;
|
||
case 2004: enable = term->xtsave.bracketed_paste; break;
|
||
case 2026: enable = term->xtsave.app_sync_updates; break;
|
||
case 2027: enable = term->xtsave.grapheme_shaping; break;
|
||
case 8452: enable = term->xtsave.sixel_cursor_right_of_graphics; break;
|
||
case 737769: enable = term->xtsave.ime; break;
|
||
|
||
default: return;
|
||
}
|
||
|
||
decset_decrst(term, param, enable);
|
||
}
|
||
|
||
void
|
||
csi_dispatch(struct terminal *term, uint8_t final)
|
||
{
|
||
LOG_DBG("%s (%08x)", csi_as_string(term, final, -1), term->vt.private);
|
||
|
||
switch (term->vt.private) {
|
||
case 0: {
|
||
switch (final) {
|
||
case 'b':
|
||
if (term->vt.last_printed != 0) {
|
||
/*
|
||
* Note: we never reset 'last-printed'. According to
|
||
* ECMA-48, the behaviour is undefined if REP was
|
||
* _not_ preceded by a graphical character.
|
||
*/
|
||
int count = vt_param_get(term, 0, 1);
|
||
LOG_DBG("REP: '%lc' %d times", (wint_t)term->vt.last_printed, count);
|
||
|
||
const int width = c32width(term->vt.last_printed);
|
||
if (width > 0) {
|
||
for (int i = 0; i < count; i++)
|
||
term_print(term, term->vt.last_printed, width);
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 'c': {
|
||
if (vt_param_get(term, 0, 0) != 0) {
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
/* Send Device Attributes (Primary DA) */
|
||
|
||
/*
|
||
* Responses:
|
||
* - CSI?1;2c vt100 with advanced video option
|
||
* - CSI?1;0c vt101 with no options
|
||
* - CSI?6c vt102
|
||
* - CSI?62;<Ps>c vt220
|
||
* - CSI?63;<Ps>c vt320
|
||
* - CSI?64;<Ps>c vt420
|
||
*
|
||
* Ps (response may contain multiple):
|
||
* - 1 132 columns
|
||
* - 2 Printer.
|
||
* - 3 ReGIS graphics.
|
||
* - 4 Sixel graphics.
|
||
* - 6 Selective erase.
|
||
* - 8 User-defined keys.
|
||
* - 9 National Replacement Character sets.
|
||
* - 15 Technical characters.
|
||
* - 16 Locator port.
|
||
* - 17 Terminal state interrogation.
|
||
* - 18 User windows.
|
||
* - 21 Horizontal scrolling.
|
||
* - 22 ANSI color, e.g., VT525.
|
||
* - 28 Rectangular editing.
|
||
* - 29 ANSI text locator (i.e., DEC Locator mode).
|
||
*
|
||
* Note: we report ourselves as a VT220, mainly to be able
|
||
* to pass parameters, to indicate we support sixel, and
|
||
* ANSI colors.
|
||
*
|
||
* The VT level must be synchronized with the secondary DA
|
||
* response.
|
||
*
|
||
* Note: tertiary DA responds with "FOOT".
|
||
*/
|
||
if (term->conf->tweak.sixel) {
|
||
static const char reply[] = "\033[?62;4;22c";
|
||
term_to_slave(term, reply, sizeof(reply) - 1);
|
||
} else {
|
||
static const char reply[] = "\033[?62;22c";
|
||
term_to_slave(term, reply, sizeof(reply) - 1);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'd': {
|
||
/* VPA - vertical line position absolute */
|
||
int rel_row = vt_param_get(term, 0, 1) - 1;
|
||
int row = term_row_rel_to_abs(term, rel_row);
|
||
term_cursor_to(term, row, term->grid->cursor.point.col);
|
||
break;
|
||
}
|
||
|
||
case 'm':
|
||
csi_sgr(term);
|
||
break;
|
||
|
||
case 'A':
|
||
term_cursor_up(term, vt_param_get(term, 0, 1));
|
||
break;
|
||
|
||
case 'e':
|
||
case 'B':
|
||
term_cursor_down(term, vt_param_get(term, 0, 1));
|
||
break;
|
||
|
||
case 'a':
|
||
case 'C':
|
||
term_cursor_right(term, vt_param_get(term, 0, 1));
|
||
break;
|
||
|
||
case 'D':
|
||
term_cursor_left(term, vt_param_get(term, 0, 1));
|
||
break;
|
||
|
||
case 'E':
|
||
/* CNL - Cursor Next Line */
|
||
term_cursor_down(term, vt_param_get(term, 0, 1));
|
||
term_cursor_left(term, term->grid->cursor.point.col);
|
||
break;
|
||
|
||
case 'F':
|
||
/* CPL - Cursor Previous Line */
|
||
term_cursor_up(term, vt_param_get(term, 0, 1));
|
||
term_cursor_left(term, term->grid->cursor.point.col);
|
||
break;
|
||
|
||
case 'g': {
|
||
int param = vt_param_get(term, 0, 0);
|
||
switch (param) {
|
||
case 0:
|
||
/* Clear tab stop at *current* column */
|
||
tll_foreach(term->tab_stops, it) {
|
||
if (it->item == term->grid->cursor.point.col)
|
||
tll_remove(term->tab_stops, it);
|
||
else if (it->item > term->grid->cursor.point.col)
|
||
break;
|
||
}
|
||
|
||
break;
|
||
|
||
case 3:
|
||
/* Clear *all* tabs */
|
||
tll_free(term->tab_stops);
|
||
break;
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case '`':
|
||
case 'G': {
|
||
/* Cursor horizontal absolute */
|
||
int col = min(vt_param_get(term, 0, 1), term->cols) - 1;
|
||
term_cursor_col(term, col);
|
||
break;
|
||
}
|
||
|
||
case 'f':
|
||
case 'H': {
|
||
/* Move cursor */
|
||
int rel_row = vt_param_get(term, 0, 1) - 1;
|
||
int row = term_row_rel_to_abs(term, rel_row);
|
||
int col = min(vt_param_get(term, 1, 1), term->cols) - 1;
|
||
term_cursor_to(term, row, col);
|
||
break;
|
||
}
|
||
|
||
case 'J': {
|
||
/* Erase screen */
|
||
|
||
int param = vt_param_get(term, 0, 0);
|
||
switch (param) {
|
||
case 0: {
|
||
/* From cursor to end of screen */
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(
|
||
term,
|
||
cursor->row, cursor->col,
|
||
term->rows - 1, term->cols - 1);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
case 1: {
|
||
/* From start of screen to cursor */
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(term, 0, 0, cursor->row, cursor->col);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
case 2:
|
||
/* Erase entire screen */
|
||
term_erase(term, 0, 0, term->rows - 1, term->cols - 1);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
|
||
case 3: {
|
||
/* Erase scrollback */
|
||
term_erase_scrollback(term);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'K': {
|
||
/* Erase line */
|
||
|
||
int param = vt_param_get(term, 0, 0);
|
||
switch (param) {
|
||
case 0: {
|
||
/* From cursor to end of line */
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(
|
||
term,
|
||
cursor->row, cursor->col,
|
||
cursor->row, term->cols - 1);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
case 1: {
|
||
/* From start of line to cursor */
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(term, cursor->row, 0, cursor->row, cursor->col);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
case 2: {
|
||
/* Entire line */
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(term, cursor->row, 0, cursor->row, term->cols - 1);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
case 'L': { /* IL */
|
||
if (term->grid->cursor.point.row < term->scroll_region.start ||
|
||
term->grid->cursor.point.row >= term->scroll_region.end)
|
||
break;
|
||
|
||
int count = min(
|
||
vt_param_get(term, 0, 1),
|
||
term->scroll_region.end - term->grid->cursor.point.row);
|
||
|
||
term_scroll_reverse_partial(
|
||
term,
|
||
(struct scroll_region){
|
||
.start = term->grid->cursor.point.row,
|
||
.end = term->scroll_region.end},
|
||
count);
|
||
term->grid->cursor.lcf = false;
|
||
term->grid->cursor.point.col = 0;
|
||
break;
|
||
}
|
||
|
||
case 'M': { /* DL */
|
||
if (term->grid->cursor.point.row < term->scroll_region.start ||
|
||
term->grid->cursor.point.row >= term->scroll_region.end)
|
||
break;
|
||
|
||
int count = min(
|
||
vt_param_get(term, 0, 1),
|
||
term->scroll_region.end - term->grid->cursor.point.row);
|
||
|
||
term_scroll_partial(
|
||
term,
|
||
(struct scroll_region){
|
||
.start = term->grid->cursor.point.row,
|
||
.end = term->scroll_region.end},
|
||
count);
|
||
term->grid->cursor.lcf = false;
|
||
term->grid->cursor.point.col = 0;
|
||
break;
|
||
}
|
||
|
||
case 'P': {
|
||
/* DCH: Delete character(s) */
|
||
|
||
/* Number of characters to delete */
|
||
int count = min(
|
||
vt_param_get(term, 0, 1), term->cols - term->grid->cursor.point.col);
|
||
|
||
/* Number of characters left after deletion (on current line) */
|
||
int remaining = term->cols - (term->grid->cursor.point.col + count);
|
||
|
||
/* 'Delete' characters by moving the remaining ones */
|
||
memmove(&term->grid->cur_row->cells[term->grid->cursor.point.col],
|
||
&term->grid->cur_row->cells[term->grid->cursor.point.col + count],
|
||
remaining * sizeof(term->grid->cur_row->cells[0]));
|
||
|
||
for (size_t c = 0; c < remaining; c++)
|
||
term->grid->cur_row->cells[term->grid->cursor.point.col + c].attrs.clean = 0;
|
||
term->grid->cur_row->dirty = true;
|
||
|
||
/* Erase the remainder of the line */
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(
|
||
term,
|
||
cursor->row, cursor->col + remaining,
|
||
cursor->row, term->cols - 1);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
case '@': {
|
||
/* ICH: insert character(s) */
|
||
|
||
/* Number of characters to insert */
|
||
int count = min(
|
||
vt_param_get(term, 0, 1), term->cols - term->grid->cursor.point.col);
|
||
|
||
/* Characters to move */
|
||
int remaining = term->cols - (term->grid->cursor.point.col + count);
|
||
|
||
/* Push existing characters */
|
||
memmove(&term->grid->cur_row->cells[term->grid->cursor.point.col + count],
|
||
&term->grid->cur_row->cells[term->grid->cursor.point.col],
|
||
remaining * sizeof(term->grid->cur_row->cells[0]));
|
||
for (size_t c = 0; c < remaining; c++)
|
||
term->grid->cur_row->cells[term->grid->cursor.point.col + count + c].attrs.clean = 0;
|
||
term->grid->cur_row->dirty = true;
|
||
|
||
/* Erase (insert space characters) */
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(
|
||
term,
|
||
cursor->row, cursor->col,
|
||
cursor->row, cursor->col + count - 1);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
case 'S': {
|
||
const struct scroll_region *r = &term->scroll_region;
|
||
int amount = min(vt_param_get(term, 0, 1), r->end - r->start);
|
||
term_scroll(term, amount);
|
||
break;
|
||
}
|
||
|
||
case 'T': {
|
||
const struct scroll_region *r = &term->scroll_region;
|
||
int amount = min(vt_param_get(term, 0, 1), r->end - r->start);
|
||
term_scroll_reverse(term, amount);
|
||
break;
|
||
}
|
||
|
||
case 'X': {
|
||
/* Erase chars */
|
||
int count = min(
|
||
vt_param_get(term, 0, 1), term->cols - term->grid->cursor.point.col);
|
||
|
||
const struct coord *cursor = &term->grid->cursor.point;
|
||
term_erase(
|
||
term,
|
||
cursor->row, cursor->col,
|
||
cursor->row, cursor->col + count - 1);
|
||
term->grid->cursor.lcf = false;
|
||
break;
|
||
}
|
||
|
||
case 'I': {
|
||
/* CHT - Tab Forward (param is number of tab stops to move through) */
|
||
for (int i = 0; i < vt_param_get(term, 0, 1); i++) {
|
||
int new_col = term->cols - 1;
|
||
tll_foreach(term->tab_stops, it) {
|
||
if (it->item > term->grid->cursor.point.col) {
|
||
new_col = it->item;
|
||
break;
|
||
}
|
||
}
|
||
xassert(new_col >= term->grid->cursor.point.col);
|
||
|
||
bool lcf = term->grid->cursor.lcf;
|
||
term_cursor_right(term, new_col - term->grid->cursor.point.col);
|
||
term->grid->cursor.lcf = lcf;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'Z':
|
||
/* CBT - Back tab (param is number of tab stops to move back through) */
|
||
for (int i = 0; i < vt_param_get(term, 0, 1); i++) {
|
||
int new_col = 0;
|
||
tll_rforeach(term->tab_stops, it) {
|
||
if (it->item < term->grid->cursor.point.col) {
|
||
new_col = it->item;
|
||
break;
|
||
}
|
||
}
|
||
xassert(term->grid->cursor.point.col >= new_col);
|
||
term_cursor_left(term, term->grid->cursor.point.col - new_col);
|
||
}
|
||
break;
|
||
|
||
case 'h':
|
||
/* Set mode */
|
||
switch (vt_param_get(term, 0, 0)) {
|
||
case 2: /* Keyboard Action Mode - AM */
|
||
LOG_WARN("unimplemented: keyboard action mode (AM)");
|
||
break;
|
||
|
||
case 4: /* Insert Mode - IRM */
|
||
term->insert_mode = true;
|
||
term_update_ascii_printer(term);
|
||
break;
|
||
|
||
case 12: /* Send/receive Mode - SRM */
|
||
LOG_WARN("unimplemented: send/receive mode (SRM)");
|
||
break;
|
||
|
||
case 20: /* Automatic Newline Mode - LNM */
|
||
/* TODO: would be easy to implemented; when active
|
||
* term_linefeed() would _also_ do a
|
||
* term_carriage_return() */
|
||
LOG_WARN("unimplemented: automatic newline mode (LNM)");
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case 'l':
|
||
/* Reset mode */
|
||
switch (vt_param_get(term, 0, 0)) {
|
||
case 4: /* Insert Mode - IRM */
|
||
term->insert_mode = false;
|
||
term_update_ascii_printer(term);
|
||
break;
|
||
|
||
case 2: /* Keyboard Action Mode - AM */
|
||
case 12: /* Send/receive Mode - SRM */
|
||
case 20: /* Automatic Newline Mode - LNM */
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case 'r': {
|
||
int start = vt_param_get(term, 0, 1);
|
||
int end = min(vt_param_get(term, 1, term->rows), term->rows);
|
||
|
||
if (end > start) {
|
||
|
||
/* 1-based */
|
||
term->scroll_region.start = start - 1;
|
||
term->scroll_region.end = end;
|
||
term_cursor_home(term);
|
||
|
||
LOG_DBG("scroll region: %d-%d",
|
||
term->scroll_region.start,
|
||
term->scroll_region.end);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 's':
|
||
term_save_cursor(term);
|
||
break;
|
||
|
||
case 'u':
|
||
term_restore_cursor(term, &term->grid->saved_cursor);
|
||
break;
|
||
|
||
case 't': {
|
||
/*
|
||
* Window operations
|
||
*/
|
||
|
||
const unsigned param = vt_param_get(term, 0, 0);
|
||
|
||
switch (param) {
|
||
case 1: LOG_WARN("unimplemented: de-iconify"); break;
|
||
case 2: LOG_WARN("unimplemented: iconify"); break;
|
||
case 3: LOG_WARN("unimplemented: move window to pixel position"); break;
|
||
case 4: LOG_WARN("unimplemented: resize window in pixels"); break;
|
||
case 5: LOG_WARN("unimplemented: raise window to front of stack"); break;
|
||
case 6: LOG_WARN("unimplemented: raise window to back of stack"); break;
|
||
case 7: LOG_WARN("unimplemented: refresh window"); break;
|
||
case 8: LOG_WARN("unimplemented: resize window in chars"); break;
|
||
case 9: LOG_WARN("unimplemented: maximize/unmaximize window"); break;
|
||
case 10: LOG_WARN("unimplemented: to/from full screen"); break;
|
||
case 20: LOG_WARN("unimplemented: report icon label"); break;
|
||
case 21: LOG_WARN("unimplemented: report window title"); break;
|
||
case 24: LOG_WARN("unimplemented: resize window (DECSLPP)"); break;
|
||
|
||
case 11: /* report if window is iconified */
|
||
/* We don't know - always report *not* iconified */
|
||
/* 1=not iconified, 2=iconified */
|
||
term_to_slave(term, "\033[1t", 4);
|
||
break;
|
||
|
||
case 13: { /* report window position */
|
||
/* We don't know our position - always report (0,0) */
|
||
static const char reply[] = "\033[3;0;0t";
|
||
switch (vt_param_get(term, 1, 0)) {
|
||
case 0: /* window position */
|
||
case 2: /* text area position */
|
||
term_to_slave(term, reply, sizeof(reply) - 1);
|
||
break;
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
case 14: { /* report window size in pixels */
|
||
int width = -1;
|
||
int height = -1;
|
||
|
||
switch (vt_param_get(term, 1, 0)) {
|
||
case 0:
|
||
/* text area size */
|
||
width = term->width - term->margins.left - term->margins.right;
|
||
height = term->height - term->margins.top - term->margins.bottom;
|
||
break;
|
||
|
||
case 2:
|
||
/* window size */
|
||
width = term->width;
|
||
height = term->height;
|
||
break;
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
if (width >= 0 && height >= 0) {
|
||
char reply[64];
|
||
size_t n = xsnprintf(
|
||
reply, sizeof(reply), "\033[4;%d;%dt",
|
||
(int)roundf(height / term->scale),
|
||
(int)roundf((width / term->scale)));
|
||
term_to_slave(term, reply, n);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 15: /* report screen size in pixels */
|
||
tll_foreach(term->window->on_outputs, it) {
|
||
char reply[64];
|
||
size_t n = xsnprintf(reply, sizeof(reply), "\033[5;%d;%dt",
|
||
it->item->dim.px_scaled.height,
|
||
it->item->dim.px_scaled.width);
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
}
|
||
|
||
if (tll_length(term->window->on_outputs) == 0)
|
||
term_to_slave(term, "\033[5;0;0t", 8);
|
||
break;
|
||
|
||
case 16: { /* report cell size in pixels */
|
||
char reply[64];
|
||
size_t n = xsnprintf(
|
||
reply, sizeof(reply), "\033[6;%d;%dt",
|
||
(int)roundf(term->cell_height / term->scale),
|
||
(int)roundf(term->cell_width / term->scale));
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
}
|
||
|
||
case 18: { /* text area size in chars */
|
||
char reply[64];
|
||
size_t n = xsnprintf(reply, sizeof(reply), "\033[8;%d;%dt",
|
||
term->rows, term->cols);
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
}
|
||
|
||
case 19: { /* report screen size in chars */
|
||
tll_foreach(term->window->on_outputs, it) {
|
||
char reply[64];
|
||
size_t n = xsnprintf(
|
||
reply, sizeof(reply), "\033[9;%d;%dt",
|
||
(int)roundf(it->item->dim.px_real.height / term->cell_height / term->scale),
|
||
(int)roundf(it->item->dim.px_real.width / term->cell_width / term->scale));
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
}
|
||
|
||
if (tll_length(term->window->on_outputs) == 0)
|
||
term_to_slave(term, "\033[9;0;0t", 8);
|
||
break;
|
||
}
|
||
|
||
case 22: { /* push window title */
|
||
/* 0 - icon + title, 1 - icon, 2 - title */
|
||
unsigned what = vt_param_get(term, 1, 0);
|
||
if (what == 0 || what == 2) {
|
||
tll_push_back(
|
||
term->window_title_stack, xstrdup(term->window_title));
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 23: { /* pop window title */
|
||
/* 0 - icon + title, 1 - icon, 2 - title */
|
||
unsigned what = vt_param_get(term, 1, 0);
|
||
if (what == 0 || what == 2) {
|
||
if (tll_length(term->window_title_stack) > 0) {
|
||
char *title = tll_pop_back(term->window_title_stack);
|
||
term_set_window_title(term, title);
|
||
free(title);
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 1001: {
|
||
}
|
||
|
||
default:
|
||
LOG_DBG("ignoring %s", csi_as_string(term, final, -1));
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'n': {
|
||
if (term->vt.params.idx > 0) {
|
||
int param = vt_param_get(term, 0, 0);
|
||
switch (param) {
|
||
case 5:
|
||
/* Query device status */
|
||
term_to_slave(term, "\x1b[0n", 4); /* "Device OK" */
|
||
break;
|
||
|
||
case 6: {
|
||
/* u7 - cursor position query */
|
||
|
||
int row = term->origin == ORIGIN_ABSOLUTE
|
||
? term->grid->cursor.point.row
|
||
: term->grid->cursor.point.row - term->scroll_region.start;
|
||
|
||
/* TODO: we use 0-based position, while the xterm
|
||
* terminfo says the receiver of the reply should
|
||
* decrement, hence we must add 1 */
|
||
char reply[64];
|
||
size_t n = xsnprintf(reply, sizeof(reply), "\x1b[%d;%dR",
|
||
row + 1, term->grid->cursor.point.col + 1);
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
} else
|
||
UNHANDLED();
|
||
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
break; /* private[0] == 0 */
|
||
}
|
||
|
||
case '?': {
|
||
switch (final) {
|
||
case 'h':
|
||
/* DECSET - DEC private mode set */
|
||
for (size_t i = 0; i < term->vt.params.idx; i++)
|
||
decset(term, term->vt.params.v[i].value);
|
||
break;
|
||
|
||
case 'l':
|
||
/* DECRST - DEC private mode reset */
|
||
for (size_t i = 0; i < term->vt.params.idx; i++)
|
||
decrst(term, term->vt.params.v[i].value);
|
||
break;
|
||
|
||
case 's':
|
||
for (size_t i = 0; i < term->vt.params.idx; i++)
|
||
xtsave(term, term->vt.params.v[i].value);
|
||
break;
|
||
|
||
case 'r':
|
||
for (size_t i = 0; i < term->vt.params.idx; i++)
|
||
xtrestore(term, term->vt.params.v[i].value);
|
||
break;
|
||
|
||
case 'S': {
|
||
if (!term->conf->tweak.sixel) {
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
unsigned target = vt_param_get(term, 0, 0);
|
||
unsigned operation = vt_param_get(term, 1, 0);
|
||
|
||
switch (target) {
|
||
case 1:
|
||
switch (operation) {
|
||
case 1: sixel_colors_report_current(term); break;
|
||
case 2: sixel_colors_reset(term); break;
|
||
case 3: sixel_colors_set(term, vt_param_get(term, 2, 0)); break;
|
||
case 4: sixel_colors_report_max(term); break;
|
||
default: UNHANDLED(); break;
|
||
}
|
||
break;
|
||
|
||
case 2:
|
||
switch (operation) {
|
||
case 1: sixel_geometry_report_current(term); break;
|
||
case 2: sixel_geometry_reset(term); break;
|
||
case 3: sixel_geometry_set(term, vt_param_get(term, 2, 0), vt_param_get(term, 3, 0)); break;
|
||
case 4: sixel_geometry_report_max(term); break;
|
||
default: UNHANDLED(); break;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
break;
|
||
}
|
||
|
||
case 'm': {
|
||
int resource = vt_param_get(term, 0, 0);
|
||
int value = -1;
|
||
|
||
switch (resource) {
|
||
case 0: /* modifyKeyboard */
|
||
value = 0;
|
||
break;
|
||
|
||
case 1: /* modifyCursorKeys */
|
||
case 2: /* modifyFunctionKeys */
|
||
value = 1;
|
||
break;
|
||
|
||
case 4: /* modifyOtherKeys */
|
||
value = term->modify_other_keys_2 ? 2 : 1;
|
||
break;
|
||
|
||
default:
|
||
LOG_WARN("XTQMODKEYS: invalid resource '%d' in '%s'",
|
||
resource, csi_as_string(term, final, -1));
|
||
break;
|
||
}
|
||
|
||
if (value >= 0) {
|
||
char reply[16] = {0};
|
||
int chars = snprintf(reply, sizeof(reply),
|
||
"\033[>%d;%dm", resource, value);
|
||
term_to_slave(term, reply, chars);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'u': {
|
||
enum kitty_kbd_flags flags =
|
||
term->grid->kitty_kbd.flags[term->grid->kitty_kbd.idx];
|
||
|
||
char reply[8];
|
||
int chars = snprintf(reply, sizeof(reply), "\033[?%uu", flags);
|
||
term_to_slave(term, reply, chars);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
break; /* private[0] == '?' */
|
||
}
|
||
|
||
case '>': {
|
||
switch (final) {
|
||
case 'c':
|
||
/* Send Device Attributes (Secondary DA) */
|
||
if (vt_param_get(term, 0, 0) != 0) {
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
/*
|
||
* Param 1 - terminal type:
|
||
* 0 - vt100
|
||
* 1 - vt220
|
||
* 2 - vt240
|
||
* 18 - vt330
|
||
* 19 - vt340
|
||
* 24 - vt320
|
||
* 41 - vt420
|
||
* 61 - vt510
|
||
* 64 - vt520
|
||
* 65 - vt525
|
||
*
|
||
* Param 2 - firmware version
|
||
* xterm uses its version number. We use an xterm
|
||
* version number too, since e.g. Emacs uses this to
|
||
* determine level of support.
|
||
*
|
||
* We report ourselves as a VT220. This must be
|
||
* synchronized with the primary DA response.
|
||
*
|
||
* Note: tertiary DA replies with "FOOT".
|
||
*/
|
||
|
||
static_assert(FOOT_MAJOR < 100, "Major version must not exceed 99");
|
||
static_assert(FOOT_MINOR < 100, "Minor version must not exceed 99");
|
||
static_assert(FOOT_PATCH < 100, "Patch version must not exceed 99");
|
||
|
||
char reply[64];
|
||
size_t n = xsnprintf(reply, sizeof(reply), "\033[>1;%02u%02u%02u;0c",
|
||
FOOT_MAJOR, FOOT_MINOR, FOOT_PATCH);
|
||
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
|
||
case 'm':
|
||
if (term->vt.params.idx == 0) {
|
||
/* Reset all */
|
||
} else {
|
||
int resource = vt_param_get(term, 0, 0);
|
||
int value = vt_param_get(term, 1, -1);
|
||
|
||
switch (resource) {
|
||
case 0: /* modifyKeyboard */
|
||
break;
|
||
|
||
case 1: /* modifyCursorKeys */
|
||
case 2: /* modifyFunctionKeys */
|
||
/* Ignored, we always report modifiers */
|
||
if (value != 2 && value != -1) {
|
||
LOG_WARN(
|
||
"unimplemented: %s = %d",
|
||
resource == 1 ? "modifyCursorKeys" :
|
||
resource == 2 ? "modifyFunctionKeys" : "<invalid>",
|
||
value);
|
||
}
|
||
break;
|
||
|
||
case 4: /* modifyOtherKeys */
|
||
term->modify_other_keys_2 = value == 2;
|
||
LOG_DBG("modifyOtherKeys=%d", value);
|
||
break;
|
||
|
||
default:
|
||
LOG_WARN("XTMODKEYS: invalid resource '%d' in '%s'",
|
||
resource, csi_as_string(term, final, -1));
|
||
break;
|
||
}
|
||
}
|
||
break; /* final == 'm' */
|
||
|
||
case 'n': {
|
||
int resource = vt_param_get(term, 0, 2); /* Default is modifyFunctionKeys */
|
||
switch (resource) {
|
||
case 0: /* modifyKeyboard */
|
||
case 1: /* modifyCursorKeys */
|
||
case 2: /* modifyFunctionKeys */
|
||
break;
|
||
|
||
case 4: /* modifyOtherKeys */
|
||
/* We don’t support fully disabling modifyOtherKeys,
|
||
* but simply revert back to mode ‘1’ */
|
||
term->modify_other_keys_2 = false;
|
||
LOG_DBG("modifyOtherKeys=1");
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case 'u': {
|
||
int flags = vt_param_get(term, 0, 0) & KITTY_KBD_SUPPORTED;
|
||
|
||
struct grid *grid = term->grid;
|
||
uint8_t idx = grid->kitty_kbd.idx;
|
||
|
||
if (idx + 1 >= ALEN(grid->kitty_kbd.flags)) {
|
||
/* Stack full, evict oldest by wrapping around */
|
||
idx = 0;
|
||
} else
|
||
idx++;
|
||
|
||
grid->kitty_kbd.flags[idx] = flags;
|
||
grid->kitty_kbd.idx = idx;
|
||
|
||
LOG_DBG("kitty kbd: pushed new flags: 0x%03x", flags);
|
||
break;
|
||
}
|
||
|
||
case 'q': {
|
||
/* XTVERSION */
|
||
if (vt_param_get(term, 0, 0) != 0) {
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
char reply[64];
|
||
size_t n = xsnprintf(
|
||
reply, sizeof(reply), "\033P>|foot(%u.%u.%u%s%s)\033\\",
|
||
FOOT_MAJOR, FOOT_MINOR, FOOT_PATCH,
|
||
FOOT_EXTRA[0] != '\0' ? "-" : "", FOOT_EXTRA);
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
break; /* private[0] == '>' */
|
||
}
|
||
|
||
case '<': {
|
||
switch (final) {
|
||
case 'u': {
|
||
int count = vt_param_get(term, 0, 1);
|
||
LOG_DBG("kitty kbd: popping %d levels of flags", count);
|
||
|
||
struct grid *grid = term->grid;
|
||
uint8_t idx = grid->kitty_kbd.idx;
|
||
|
||
for (int i = 0; i < count; i++) {
|
||
/* Reset flags. This ensures we get flags=0 when
|
||
* over-popping */
|
||
grid->kitty_kbd.flags[idx] = 0;
|
||
|
||
if (idx == 0)
|
||
idx = ALEN(grid->kitty_kbd.flags) - 1;
|
||
else
|
||
idx--;
|
||
}
|
||
|
||
grid->kitty_kbd.idx = idx;
|
||
|
||
LOG_DBG("kitty kbd: flags after pop: 0x%03x",
|
||
term->grid->kitty_kbd.flags[idx]);
|
||
break;
|
||
}
|
||
}
|
||
break; /* private[0] == ‘<’ */
|
||
}
|
||
|
||
case ' ': {
|
||
switch (final) {
|
||
case 'q': {
|
||
int param = vt_param_get(term, 0, 0);
|
||
switch (param) {
|
||
case 0: /* blinking block, but we use it to reset to configured default */
|
||
term->cursor_style = term->conf->cursor.style;
|
||
term->cursor_blink.deccsusr = term->conf->cursor.blink;
|
||
term_cursor_blink_update(term);
|
||
break;
|
||
|
||
case 1: /* blinking block */
|
||
case 2: /* steady block */
|
||
term->cursor_style = CURSOR_BLOCK;
|
||
break;
|
||
|
||
case 3: /* blinking underline */
|
||
case 4: /* steady underline */
|
||
term->cursor_style = CURSOR_UNDERLINE;
|
||
break;
|
||
|
||
case 5: /* blinking bar */
|
||
case 6: /* steady bar */
|
||
term->cursor_style = CURSOR_BEAM;
|
||
break;
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
if (param > 0 && param <= 6) {
|
||
term->cursor_blink.deccsusr = param & 1;
|
||
term_cursor_blink_update(term);
|
||
}
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
break; /* private[0] == ' ' */
|
||
}
|
||
|
||
case '!': {
|
||
if (final == 'p') {
|
||
term_reset(term, false);
|
||
break;
|
||
}
|
||
|
||
UNHANDLED();
|
||
break; /* private[0] == '!' */
|
||
}
|
||
|
||
case '=': {
|
||
switch (final) {
|
||
case 'c':
|
||
if (vt_param_get(term, 0, 0) != 0) {
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
/*
|
||
* Send Device Attributes (Tertiary DA)
|
||
*
|
||
* Reply format is "DCS ! | DDDDDDDD ST"
|
||
*
|
||
* D..D is the unit ID of the terminal, consisting of four
|
||
* hexadecimal pairs. The first pair represents the
|
||
* manufacturing site code. This code can be any
|
||
* hexadecimal value from 00 through FF.
|
||
*/
|
||
|
||
term_to_slave(term, "\033P!|464f4f54\033\\", 14); /* FOOT */
|
||
break;
|
||
|
||
case 'u': {
|
||
int flag_set = vt_param_get(term, 0, 0) & KITTY_KBD_SUPPORTED;
|
||
int mode = vt_param_get(term, 1, 1);
|
||
|
||
struct grid *grid = term->grid;
|
||
uint8_t idx = grid->kitty_kbd.idx;
|
||
|
||
switch (mode) {
|
||
case 1:
|
||
/* set bits are set, unset bits are reset */
|
||
grid->kitty_kbd.flags[idx] = flag_set;
|
||
break;
|
||
|
||
case 2:
|
||
/* set bits are set, unset bits are left unchanged */
|
||
grid->kitty_kbd.flags[idx] |= flag_set;
|
||
break;
|
||
|
||
case 3:
|
||
/* set bits are reset, unset bits are left unchanged */
|
||
grid->kitty_kbd.flags[idx] &= ~flag_set;
|
||
break;
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
LOG_DBG("kitty kbd: flags after update: 0x%03x",
|
||
grid->kitty_kbd.flags[idx]);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
break; /* private[0] == '=' */
|
||
}
|
||
|
||
case 0x243f: /* ?$ */
|
||
switch (final) {
|
||
case 'p': {
|
||
unsigned param = vt_param_get(term, 0, 0);
|
||
|
||
/*
|
||
* Request DEC private mode (DECRQM)
|
||
* Reply:
|
||
* 0 - not recognized
|
||
* 1 - set
|
||
* 2 - reset
|
||
* 3 - permanently set
|
||
* 4 - permantently reset
|
||
*/
|
||
unsigned status = decrqm(term, param);
|
||
char reply[32];
|
||
size_t n = xsnprintf(reply, sizeof(reply), "\033[?%u;%u$y", param, status);
|
||
term_to_slave(term, reply, n);
|
||
break;
|
||
|
||
}
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
|
||
break; /* private[0] == ‘?’ && private[1] == ‘$’ */
|
||
|
||
default:
|
||
UNHANDLED();
|
||
break;
|
||
}
|
||
}
|