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Discard mouse sequences that have the right form but actually are

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invalid (for example have column zero rather than one).
This commit is contained in:
nicm
2023-04-17 17:57:35 +00:00
parent a2018b2c3f
commit 280fe77edd
1 changed files with 4 additions and 3 deletions
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7
tty-keys.c
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@@ -1008,7 +1008,8 @@ tty_keys_extended_key(struct tty *tty, const char *buf, size_t len,
/* /*
* Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial * Handle mouse key input. Returns 0 for success, -1 for failure, 1 for partial
* (probably a mouse sequence but need more data). * (probably a mouse sequence but need more data), -2 if an invalid mouse
* sequence.
*/ */
static int static int
tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size, tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
@@ -1069,7 +1070,7 @@ tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
if (b < MOUSE_PARAM_BTN_OFF || if (b < MOUSE_PARAM_BTN_OFF ||
x < MOUSE_PARAM_POS_OFF || x < MOUSE_PARAM_POS_OFF ||
y < MOUSE_PARAM_POS_OFF) y < MOUSE_PARAM_POS_OFF)
return (-1); return (-2);
b -= MOUSE_PARAM_BTN_OFF; b -= MOUSE_PARAM_BTN_OFF;
x -= MOUSE_PARAM_POS_OFF; x -= MOUSE_PARAM_POS_OFF;
y -= MOUSE_PARAM_POS_OFF; y -= MOUSE_PARAM_POS_OFF;
@@ -1111,7 +1112,7 @@ tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size,
/* Check and return the mouse input. */ /* Check and return the mouse input. */
if (x < 1 || y < 1) if (x < 1 || y < 1)
return (-1); return (-2);
x--; x--;
y--; y--;
b = sgr_b; b = sgr_b;