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-rw-r--r--src/nvim/tui/input.c28
-rw-r--r--src/termkey/driver-csi.c245
-rw-r--r--src/termkey/termkey.h9
3 files changed, 215 insertions, 67 deletions
diff --git a/src/nvim/tui/input.c b/src/nvim/tui/input.c
index 9f58607bf7..a6e27c9391 100644
--- a/src/nvim/tui/input.c
+++ b/src/nvim/tui/input.c
@@ -596,10 +596,10 @@ static void handle_unknown_csi(TermInput *input, const TermKeyKey *key)
{
// There is no specified limit on the number of parameters a CSI sequence can
// contain, so just allocate enough space for a large upper bound
- long args[16];
- size_t nargs = 16;
+ TermKeyCsiParam params[16];
+ size_t nparams = 16;
unsigned long cmd;
- if (termkey_interpret_csi(input->tk, key, args, &nargs, &cmd) != TERMKEY_RES_KEY) {
+ if (termkey_interpret_csi(input->tk, key, params, &nparams, &cmd) != TERMKEY_RES_KEY) {
return;
}
@@ -639,12 +639,22 @@ static void handle_unknown_csi(TermInput *input, const TermKeyKey *key)
}
break;
case 't':
- if (nargs == 5 && args[0] == 48) {
- // In-band resize event (DEC private mode 2048)
- int height_chars = (int)args[1];
- int width_chars = (int)args[2];
- tui_set_size(input->tui_data, width_chars, height_chars);
- ui_client_set_size(width_chars, height_chars);
+ if (nparams == 5) {
+ // We only care about the first 3 parameters, and we ignore subparameters
+ long args[3];
+ for (size_t i = 0; i < ARRAY_SIZE(args); i++) {
+ if (termkey_interpret_csi_param(params[i], &args[i], NULL, NULL) != TERMKEY_RES_KEY) {
+ return;
+ }
+ }
+
+ if (args[0] == 48) {
+ // In-band resize event (DEC private mode 2048)
+ int height_chars = (int)args[1];
+ int width_chars = (int)args[2];
+ tui_set_size(input->tui_data, width_chars, height_chars);
+ ui_client_set_size(width_chars, height_chars);
+ }
}
break;
default:
diff --git a/src/termkey/driver-csi.c b/src/termkey/driver-csi.c
index 4cd5bbafe4..f9c39757b7 100644
--- a/src/termkey/driver-csi.c
+++ b/src/termkey/driver-csi.c
@@ -1,6 +1,7 @@
#include "termkey.h"
#include "termkey-internal.h"
+#include <assert.h>
#include <stdio.h>
#include <string.h>
@@ -15,7 +16,7 @@ typedef struct {
char *saved_string;
} TermKeyCsi;
-typedef TermKeyResult CsiHandler(TermKey *tk, TermKeyKey *key, int cmd, long *arg, int args);
+typedef TermKeyResult CsiHandler(TermKey *tk, TermKeyKey *key, int cmd, TermKeyCsiParam *params, int nparams);
static CsiHandler *csi_handlers[64];
/*
@@ -24,12 +25,21 @@ static CsiHandler *csi_handlers[64];
static struct keyinfo csi_ss3s[64];
-static TermKeyResult handle_csi_ss3_full(TermKey *tk, TermKeyKey *key, int cmd, long *arg, int args)
+static TermKeyResult handle_csi_ss3_full(TermKey *tk, TermKeyKey *key, int cmd, TermKeyCsiParam *params, int nparams)
{
- if(args > 1 && arg[1] != -1)
- key->modifiers = arg[1] - 1;
- else
+ TermKeyResult result = TERMKEY_RES_KEY;
+
+ if(nparams > 1 && params[1].param != NULL) {
+ long arg = 0;
+ result = termkey_interpret_csi_param(params[1], &arg, NULL, NULL);
+ if (result != TERMKEY_RES_KEY) {
+ return result;
+ }
+
+ key->modifiers = arg - 1;
+ } else {
key->modifiers = 0;
+ }
key->type = csi_ss3s[cmd - 0x40].type;
key->code.sym = csi_ss3s[cmd - 0x40].sym;
@@ -37,9 +47,9 @@ static TermKeyResult handle_csi_ss3_full(TermKey *tk, TermKeyKey *key, int cmd,
key->modifiers |= csi_ss3s[cmd - 0x40].modifier_set;
if(key->code.sym == TERMKEY_SYM_UNKNOWN)
- return TERMKEY_RES_NONE;
+ result = TERMKEY_RES_NONE;
- return TERMKEY_RES_KEY;
+ return result;
}
static void register_csi_ss3_full(TermKeyType type, TermKeySym sym, int modifier_set, int modifier_mask, unsigned char cmd)
@@ -85,25 +95,48 @@ static void register_ss3kpalt(TermKeyType type, TermKeySym sym, unsigned char cm
static struct keyinfo csifuncs[35]; /* This value must be increased if more CSI function keys are added */
#define NCSIFUNCS (sizeof(csifuncs)/sizeof(csifuncs[0]))
-static TermKeyResult handle_csifunc(TermKey *tk, TermKeyKey *key, int cmd, long *arg, int args)
+static TermKeyResult handle_csifunc(TermKey *tk, TermKeyKey *key, int cmd, TermKeyCsiParam *params, int nparams)
{
- if(args > 1 && arg[1] != -1)
- key->modifiers = arg[1] - 1;
- else
+ if (nparams == 0) {
+ return TERMKEY_RES_NONE;
+ }
+
+ TermKeyResult result = TERMKEY_RES_KEY;
+ long args[3];
+
+ if(nparams > 1 && params[1].param != NULL) {
+ result = termkey_interpret_csi_param(params[1], &args[1], NULL, NULL);
+ if (result != TERMKEY_RES_KEY) {
+ return result;
+ }
+
+ key->modifiers = args[1] - 1;
+ } else {
key->modifiers = 0;
+ }
key->type = TERMKEY_TYPE_KEYSYM;
- if(arg[0] == 27) {
+ result = termkey_interpret_csi_param(params[0], &args[0], NULL, NULL);
+ if (result != TERMKEY_RES_KEY) {
+ return result;
+ }
+
+ if(args[0] == 27 && nparams > 2 && params[2].param != NULL) {
+ result = termkey_interpret_csi_param(params[2], &args[2], NULL, NULL);
+ if (result != TERMKEY_RES_KEY) {
+ return result;
+ }
+
int mod = key->modifiers;
- (*tk->method.emit_codepoint)(tk, arg[2], key);
+ (*tk->method.emit_codepoint)(tk, args[2], key);
key->modifiers |= mod;
}
- else if(arg[0] >= 0 && arg[0] < NCSIFUNCS) {
- key->type = csifuncs[arg[0]].type;
- key->code.sym = csifuncs[arg[0]].sym;
- key->modifiers &= ~(csifuncs[arg[0]].modifier_mask);
- key->modifiers |= csifuncs[arg[0]].modifier_set;
+ else if(args[0] >= 0 && args[0] < NCSIFUNCS) {
+ key->type = csifuncs[args[0]].type;
+ key->code.sym = csifuncs[args[0]].sym;
+ key->modifiers &= ~(csifuncs[args[0]].modifier_mask);
+ key->modifiers |= csifuncs[args[0]].modifier_set;
}
else
key->code.sym = TERMKEY_SYM_UNKNOWN;
@@ -112,10 +145,10 @@ static TermKeyResult handle_csifunc(TermKey *tk, TermKeyKey *key, int cmd, long
#ifdef DEBUG
fprintf(stderr, "CSI: Unknown function key %ld\n", arg[0]);
#endif
- return TERMKEY_RES_NONE;
+ result = TERMKEY_RES_NONE;
}
- return TERMKEY_RES_KEY;
+ return result;
}
static void register_csifunc(TermKeyType type, TermKeySym sym, int number)
@@ -136,18 +169,35 @@ static void register_csifunc(TermKeyType type, TermKeySym sym, int number)
* Handler for CSI u extended Unicode keys
*/
-static TermKeyResult handle_csi_u(TermKey *tk, TermKeyKey *key, int cmd, long *arg, int args)
+static TermKeyResult handle_csi_u(TermKey *tk, TermKeyKey *key, int cmd, TermKeyCsiParam *params, int nparams)
{
switch(cmd) {
case 'u': {
- if(args > 1 && arg[1] != -1)
- key->modifiers = arg[1] - 1;
- else
+ long args[2];
+ if(nparams > 1 && params[1].param != NULL) {
+ long subparam = 0;
+ size_t nsubparams = 1;
+ if (termkey_interpret_csi_param(params[1], &args[1], &subparam, &nsubparams) != TERMKEY_RES_KEY) {
+ return TERMKEY_RES_ERROR;
+ }
+
+ if (nsubparams > 0 && subparam != 1) {
+ // Not a press event. Ignore for now
+ return TERMKEY_RES_NONE;
+ }
+
+ key->modifiers = args[1] - 1;
+ } else {
key->modifiers = 0;
+ }
+
+ if (termkey_interpret_csi_param(params[0], &args[0], NULL, NULL) != TERMKEY_RES_KEY) {
+ return TERMKEY_RES_ERROR;
+ }
int mod = key->modifiers;
key->type = TERMKEY_TYPE_KEYSYM;
- (*tk->method.emit_codepoint)(tk, arg[0], key);
+ (*tk->method.emit_codepoint)(tk, args[0], key);
key->modifiers |= mod;
return TERMKEY_RES_KEY;
@@ -162,7 +212,7 @@ static TermKeyResult handle_csi_u(TermKey *tk, TermKeyKey *key, int cmd, long *a
* Note: This does not handle X10 encoding
*/
-static TermKeyResult handle_csi_m(TermKey *tk, TermKeyKey *key, int cmd, long *arg, int args)
+static TermKeyResult handle_csi_m(TermKey *tk, TermKeyKey *key, int cmd, TermKeyCsiParam *params, int nparams)
{
int initial = cmd >> 8;
cmd &= 0xff;
@@ -175,26 +225,37 @@ static TermKeyResult handle_csi_m(TermKey *tk, TermKeyKey *key, int cmd, long *a
return TERMKEY_RES_NONE;
}
- if(!initial && args >= 3) { // rxvt protocol
+ if (nparams < 3) {
+ return TERMKEY_RES_NONE;
+ }
+
+ long args[3];
+ for (size_t i = 0; i < 3; i++) {
+ if (termkey_interpret_csi_param(params[i], &args[i], NULL, NULL) != TERMKEY_RES_KEY) {
+ return TERMKEY_RES_ERROR;
+ }
+ }
+
+ if(!initial) { // rxvt protocol
key->type = TERMKEY_TYPE_MOUSE;
- key->code.mouse[0] = arg[0];
+ key->code.mouse[0] = args[0];
key->modifiers = (key->code.mouse[0] & 0x1c) >> 2;
key->code.mouse[0] &= ~0x1c;
- termkey_key_set_linecol(key, arg[1], arg[2]);
+ termkey_key_set_linecol(key, args[1], args[2]);
return TERMKEY_RES_KEY;
}
- if(initial == '<' && args >= 3) { // SGR protocol
+ if(initial == '<') { // SGR protocol
key->type = TERMKEY_TYPE_MOUSE;
- key->code.mouse[0] = arg[0];
+ key->code.mouse[0] = args[0];
key->modifiers = (key->code.mouse[0] & 0x1c) >> 2;
key->code.mouse[0] &= ~0x1c;
- termkey_key_set_linecol(key, arg[1], arg[2]);
+ termkey_key_set_linecol(key, args[1], args[2]);
if(cmd == 'm') // release
key->code.mouse[3] |= 0x80;
@@ -265,19 +326,28 @@ TermKeyResult termkey_interpret_mouse(TermKey *tk, const TermKeyKey *key, TermKe
* A plain CSI R with no arguments is probably actually <F3>
*/
-static TermKeyResult handle_csi_R(TermKey *tk, TermKeyKey *key, int cmd, long *arg, int args)
+static TermKeyResult handle_csi_R(TermKey *tk, TermKeyKey *key, int cmd, TermKeyCsiParam *params, int nparams)
{
switch(cmd) {
case 'R'|'?'<<8:
- if(args < 2)
+ if(nparams < 2)
return TERMKEY_RES_NONE;
+ long args[2];
+ if (termkey_interpret_csi_param(params[0], &args[0], NULL, NULL) != TERMKEY_RES_KEY) {
+ return TERMKEY_RES_ERROR;
+ }
+
+ if (termkey_interpret_csi_param(params[1], &args[1], NULL, NULL) != TERMKEY_RES_KEY) {
+ return TERMKEY_RES_ERROR;
+ }
+
key->type = TERMKEY_TYPE_POSITION;
- termkey_key_set_linecol(key, arg[1], arg[0]);
+ termkey_key_set_linecol(key, args[1], args[0]);
return TERMKEY_RES_KEY;
default:
- return handle_csi_ss3_full(tk, key, cmd, arg, args);
+ return handle_csi_ss3_full(tk, key, cmd, params, nparams);
}
}
@@ -295,19 +365,28 @@ TermKeyResult termkey_interpret_position(TermKey *tk, const TermKeyKey *key, int
* Handler for CSI $y mode status reports
*/
-static TermKeyResult handle_csi_y(TermKey *tk, TermKeyKey *key, int cmd, long *arg, int args)
+static TermKeyResult handle_csi_y(TermKey *tk, TermKeyKey *key, int cmd, TermKeyCsiParam *params, int nparams)
{
switch(cmd) {
case 'y'|'$'<<16:
case 'y'|'$'<<16 | '?'<<8:
- if(args < 2)
+ if(nparams < 2)
return TERMKEY_RES_NONE;
+ long args[2];
+ if (termkey_interpret_csi_param(params[0], &args[0], NULL, NULL) != TERMKEY_RES_KEY) {
+ return TERMKEY_RES_ERROR;
+ }
+
+ if (termkey_interpret_csi_param(params[1], &args[1], NULL, NULL) != TERMKEY_RES_KEY) {
+ return TERMKEY_RES_ERROR;
+ }
+
key->type = TERMKEY_TYPE_MODEREPORT;
key->code.mouse[0] = (cmd >> 8);
- key->code.mouse[1] = arg[0] >> 8;
- key->code.mouse[2] = arg[0] & 0xff;
- key->code.mouse[3] = arg[1];
+ key->code.mouse[1] = args[0] >> 8;
+ key->code.mouse[2] = args[0] & 0xff;
+ key->code.mouse[3] = args[1];
return TERMKEY_RES_KEY;
default:
@@ -334,7 +413,7 @@ TermKeyResult termkey_interpret_modereport(TermKey *tk, const TermKeyKey *key, i
#define CHARAT(i) (tk->buffer[tk->buffstart + (i)])
-static TermKeyResult parse_csi(TermKey *tk, size_t introlen, size_t *csi_len, long args[], size_t *nargs, unsigned long *commandp)
+static TermKeyResult parse_csi(TermKey *tk, size_t introlen, size_t *csi_len, TermKeyCsiParam params[], size_t *nargs, unsigned long *commandp)
{
size_t csi_end = introlen;
@@ -365,18 +444,19 @@ static TermKeyResult parse_csi(TermKey *tk, size_t introlen, size_t *csi_len, lo
while(p < csi_end) {
unsigned char c = CHARAT(p);
- if(c >= '0' && c <= '9') {
+ if(c >= '0' && c < ';') {
if(!present) {
- args[argi] = c - '0';
+ params[argi].param = &CHARAT(p);
present = 1;
}
- else {
- args[argi] = (args[argi] * 10) + c - '0';
- }
}
else if(c == ';') {
- if(!present)
- args[argi] = -1;
+ if(!present) {
+ params[argi].param = NULL;
+ params[argi].length = 0;
+ } else {
+ params[argi].length = &CHARAT(p) - params[argi].param;
+ }
present = 0;
argi++;
@@ -391,8 +471,10 @@ static TermKeyResult parse_csi(TermKey *tk, size_t introlen, size_t *csi_len, lo
p++;
}
- if(present)
+ if(present) {
+ params[argi].length = &CHARAT(p) - params[argi].param;
argi++;
+ }
*nargs = argi;
*csi_len = csi_end + 1;
@@ -400,7 +482,7 @@ static TermKeyResult parse_csi(TermKey *tk, size_t introlen, size_t *csi_len, lo
return TERMKEY_RES_KEY;
}
-TermKeyResult termkey_interpret_csi(TermKey *tk, const TermKeyKey *key, long args[], size_t *nargs, unsigned long *cmd)
+TermKeyResult termkey_interpret_csi(TermKey *tk, const TermKeyKey *key, TermKeyCsiParam params[], size_t *nparams, unsigned long *cmd)
{
size_t dummy;
@@ -409,7 +491,56 @@ TermKeyResult termkey_interpret_csi(TermKey *tk, const TermKeyKey *key, long arg
if(key->type != TERMKEY_TYPE_UNKNOWN_CSI)
return TERMKEY_RES_NONE;
- return parse_csi(tk, 0, &dummy, args, nargs, cmd);
+ return parse_csi(tk, 0, &dummy, params, nparams, cmd);
+}
+
+TermKeyResult termkey_interpret_csi_param(TermKeyCsiParam param, long *paramp, long subparams[], size_t *nsubparams)
+{
+ if (paramp == NULL) {
+ return TERMKEY_RES_ERROR;
+ }
+
+ if (param.param == NULL) {
+ *paramp = -1;
+ if (nsubparams) {
+ *nsubparams = 0;
+ }
+ return TERMKEY_RES_KEY;
+ }
+
+ long arg = 0;
+ size_t i = 0;
+ size_t capacity = nsubparams ? *nsubparams : 0;
+ size_t length = 0;
+ for (; i < param.length && length <= capacity; i++) {
+ unsigned char c = param.param[i];
+ if (c == ':') {
+ if (length == 0) {
+ *paramp = arg;
+ } else {
+ subparams[length - 1] = arg;
+ }
+
+ arg = 0;
+ length++;
+ continue;
+ }
+
+ assert(c >= '0' && c <= '9');
+ arg = (10 * arg) + (c - '0');
+ }
+
+ if (length == 0) {
+ *paramp = arg;
+ } else {
+ subparams[length - 1] = arg;
+ }
+
+ if (nsubparams) {
+ *nsubparams = length;
+ }
+
+ return TERMKEY_RES_KEY;
}
static int register_keys(void)
@@ -531,11 +662,11 @@ static void free_driver(void *info)
static TermKeyResult peekkey_csi(TermKey *tk, TermKeyCsi *csi, size_t introlen, TermKeyKey *key, int force, size_t *nbytep)
{
size_t csi_len;
- size_t args = 16;
- long arg[16];
+ size_t nparams = 16;
+ TermKeyCsiParam params[16];
unsigned long cmd;
- TermKeyResult ret = parse_csi(tk, introlen, &csi_len, arg, &args, &cmd);
+ TermKeyResult ret = parse_csi(tk, introlen, &csi_len, params, &nparams, &cmd);
if(ret == TERMKEY_RES_AGAIN) {
if(!force)
@@ -547,7 +678,7 @@ static TermKeyResult peekkey_csi(TermKey *tk, TermKeyCsi *csi, size_t introlen,
return TERMKEY_RES_KEY;
}
- if(cmd == 'M' && args < 3) { // Mouse in X10 encoding consumes the next 3 bytes also
+ if(cmd == 'M' && nparams < 3) { // Mouse in X10 encoding consumes the next 3 bytes also
tk->buffstart += csi_len;
tk->buffcount -= csi_len;
@@ -566,7 +697,7 @@ static TermKeyResult peekkey_csi(TermKey *tk, TermKeyCsi *csi, size_t introlen,
// We know from the logic above that cmd must be >= 0x40 and < 0x80
if(csi_handlers[(cmd & 0xff) - 0x40])
- result = (*csi_handlers[(cmd & 0xff) - 0x40])(tk, key, cmd, arg, args);
+ result = (*csi_handlers[(cmd & 0xff) - 0x40])(tk, key, cmd, params, nparams);
if(result == TERMKEY_RES_NONE) {
#ifdef DEBUG
diff --git a/src/termkey/termkey.h b/src/termkey/termkey.h
index 8e10fcff0c..94405f6516 100644
--- a/src/termkey/termkey.h
+++ b/src/termkey/termkey.h
@@ -143,6 +143,11 @@ typedef struct {
char utf8[7];
} TermKeyKey;
+typedef struct {
+ const unsigned char *param;
+ size_t length;
+} TermKeyCsiParam;
+
typedef struct TermKey TermKey;
enum {
@@ -215,7 +220,9 @@ TermKeyResult termkey_interpret_position(TermKey *tk, const TermKeyKey *key, int
TermKeyResult termkey_interpret_modereport(TermKey *tk, const TermKeyKey *key, int *initial, int *mode, int *value);
-TermKeyResult termkey_interpret_csi(TermKey *tk, const TermKeyKey *key, long args[], size_t *nargs, unsigned long *cmd);
+TermKeyResult termkey_interpret_csi(TermKey *tk, const TermKeyKey *key, TermKeyCsiParam params[], size_t *nparams, unsigned long *cmd);
+
+TermKeyResult termkey_interpret_csi_param(TermKeyCsiParam param, long *paramp, long subparams[], size_t *nsubparams);
TermKeyResult termkey_interpret_string(TermKey *tk, const TermKeyKey *key, const char **strp);
generated by cgit (git 2.34.1) at 2025-05-01 06:25:42 +0000