From b317320ed62cf0a7e1aeade4a6d9a6f780d6c7e0 Mon Sep 17 00:00:00 2001
From: zachir <zachir@librem.one>
Date: Mon, 20 Feb 2023 02:12:32 -0600
Subject: add csi_22_23 patch

---
 st.c | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

(limited to 'st.c')

diff --git a/st.c b/st.c
index 130b4eb..34347ce 100644
--- a/st.c
+++ b/st.c
@@ -1810,6 +1810,33 @@ csihandle(void)
 			goto unknown;
 		}
 		break;
+	case 't': /* title stack operations */
+		switch (csiescseq.arg[0]) {
+		case 22: /* pust current title on stack */
+			switch (csiescseq.arg[1]) {
+			case 0:
+			case 1:
+			case 2:
+				xpushtitle();
+				break;
+			default:
+				goto unknown;
+			}
+			break;
+		case 23: /* pop last title from stack */
+			switch (csiescseq.arg[1]) {
+			case 0:
+			case 1:
+			case 2:
+				xsettitle(NULL, 1);
+				break;
+			default:
+				goto unknown;
+			}
+			break;
+		default:
+			goto unknown;
+		}
 	}
 }
 
@@ -1888,7 +1915,7 @@ strhandle(void)
 		switch (par) {
 		case 0:
 			if (narg > 1) {
-				xsettitle(strescseq.args[1]);
+				xsettitle(strescseq.args[1], 0);
 				xseticontitle(strescseq.args[1]);
 			}
 			return;
@@ -1898,7 +1925,7 @@ strhandle(void)
 			return;
 		case 2:
 			if (narg > 1)
-				xsettitle(strescseq.args[1]);
+				xsettitle(strescseq.args[1], 0);
 			return;
 		case 52:
 			if (narg > 2 && allowwindowops) {
@@ -1955,7 +1982,7 @@ strhandle(void)
 		}
 		break;
 	case 'k': /* old title set compatibility */
-		xsettitle(strescseq.args[0]);
+		xsettitle(strescseq.args[0], 0);
 		return;
 	case 'P': /* DCS -- Device Control String */
 	case '_': /* APC -- Application Program Command */
@@ -2327,6 +2354,7 @@ eschandle(uchar ascii)
 		break;
 	case 'c': /* RIS -- Reset to initial state */
 		treset();
+		xfreetitlestack();
 		resettitle();
 		xloadcols();
 		break;
@@ -2613,7 +2641,7 @@ tresize(int col, int row)
 void
 resettitle(void)
 {
-	xsettitle(NULL);
+	xsettitle(NULL, 0);
 }
 
 void
-- 
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