From 6632145bd3794cf977e5ecb1066817d1d4e5d3fc Mon Sep 17 00:00:00 2001
From: Raheman Vaiya <r.vaiya@gmail.com>
Date: Sun, 10 Jan 2021 02:49:50 -0500
Subject: [PATCH] Implement OSC 11/12 for setting background and foreground
 colours.

---
 config.def.h | 11 +++++++----
 st.c         | 30 ++++++++++++++++++++++++++++++
 st.h         |  1 +
 3 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/config.def.h b/config.def.h
index 6f05dce..746f075 100644
--- a/config.def.h
+++ b/config.def.h
@@ -5,7 +5,7 @@
  *
  * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
  */
-static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
+static char *font = "Liberation Mono:pixelsize=24:antialias=true:autohint=true";
 static int borderpx = 2;
 
 /*
@@ -120,6 +120,8 @@ static const char *colorname[] = {
 	/* more colors can be added after 255 to use with DefaultXX */
 	"#cccccc",
 	"#555555",
+	"black",
+	"gray90",
 };
 
 
@@ -127,9 +129,10 @@ static const char *colorname[] = {
  * Default colors (colorname index)
  * foreground, background, cursor, reverse cursor
  */
-unsigned int defaultfg = 7;
-unsigned int defaultbg = 0;
-static unsigned int defaultcs = 256;
+
+unsigned int defaultbg = 258;
+unsigned int defaultfg = 259;
+unsigned int defaultcs = 256;
 static unsigned int defaultrcs = 257;
 
 /*
diff --git a/st.c b/st.c
index abbbe4b..6a57d89 100644
--- a/st.c
+++ b/st.c
@@ -1877,6 +1877,36 @@ strhandle(void)
 				}
 			}
 			return;
+		case 10: /* set foreground color */
+			if (narg < 2)
+				break;
+
+			p = strescseq.args[1];
+			if (xsetcolorname(defaultfg, p))
+				fprintf(stderr, "erresc: invalid foreground color %d\n", p);
+			else
+				redraw();
+			break;
+		case 11: /* set background color */
+			if (narg < 2)
+				break;
+
+			p = strescseq.args[1];
+			if (xsetcolorname(defaultbg, p))
+				fprintf(stderr, "erresc: invalid background color %d\n", p);
+			else
+				redraw();
+			break;
+		case 12: /* set cursor color */
+			if (narg < 2)
+				break;
+
+			p = strescseq.args[1];
+			if (xsetcolorname(defaultcs, p))
+				fprintf(stderr, "erresc: invalid cursor color %d\n", p);
+			else
+				redraw();
+			break;
 		case 4: /* color set */
 			if (narg < 3)
 				break;
diff --git a/st.h b/st.h
index 3d351b6..054366d 100644
--- a/st.h
+++ b/st.h
@@ -123,3 +123,4 @@ extern char *termname;
 extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
+extern unsigned int defaultcs;
-- 
2.20.1