misc cleanup, fixes, and clarifications, and escape sequence

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 54 insertions, 0 deletions

diff --git a/libterminput_parse_csi_m_mouse_tracking__.c b/libterminput_parse_csi_m_mouse_tracking__.c
new file mode 100644
index 0000000..f943c04
--- /dev/null
+++ b/libterminput_parse_csi_m_mouse_tracking__.c
@@ -0,0 +1,54 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+void
+libterminput_parse_csi_m_mouse_tracking__(union libterminput_input *input, struct libterminput_state *ctx,
+                                          unsigned long long int *nums, size_t nnums)
+{
+	unsigned long long int numsbuf[3];
+	size_t pos;
+
+	if (nnums >= 3U) {
+		/* Parsing for \e[?1000;1015h output */
+		nums[0] -= 32ULL;
+
+	} else if (!nnums && (ctx->flags & LIBTERMINPUT_DECSET_1005)) {
+		/* Parsing for semi-legacy \e[?1000;1005h output */
+		ctx->mouse_tracking = 0;
+		nums = numsbuf;
+		pos = ctx->stored_tail;
+		if ((nums[0] = libterminput_utf8_decode__(ctx->stored, &ctx->stored_tail)) < 32 ||
+		    (nums[1] = libterminput_utf8_decode__(ctx->stored, &ctx->stored_tail)) < 32 ||
+		    (nums[2] = libterminput_utf8_decode__(ctx->stored, &ctx->stored_tail)) < 32) {
+			ctx->stored_tail = pos;
+			input->keypress.key = LIBTERMINPUT_MACRO;
+			return;
+		}
+		nums[0] = nums[0] - 32ULL;
+		nums[1] = nums[1] - 32ULL;
+		nums[2] = nums[2] - 32ULL;
+		if (ctx->stored_head == ctx->stored_tail)
+			ctx->stored_head = ctx->stored_tail = 0;
+
+	} else if (!nnums) {
+		/* Parsing output for legacy mouse tracking output */
+		ctx->mouse_tracking = 0;
+		nums = numsbuf;
+		nums[0] = (unsigned long long int)(unsigned char)ctx->stored[ctx->stored_tail++];
+		nums[1] = (unsigned long long int)(unsigned char)ctx->stored[ctx->stored_tail++];
+		nums[2] = (unsigned long long int)(unsigned char)ctx->stored[ctx->stored_tail++];
+		nums[0] = (nums[0] - 32ULL) & 255ULL;
+		nums[1] = (nums[1] - 32ULL) & 255ULL;
+		nums[2] = (nums[2] - 32ULL) & 255ULL;
+		if (ctx->stored_head == ctx->stored_tail)
+			ctx->stored_head = ctx->stored_tail = 0;
+
+	} else {
+		input->type = LIBTERMINPUT_NONE;
+		return;
+	}
+
+	input->mouseevent.event = LIBTERMINPUT_PRESS;
+	libterminput_parse_decimal_mouse_tracking__(input, nums);
+}