Added ECMA-48 mode switches to the list of clr commands because obscure private

use ones like \033[?1049h found in no documentation anywhere can clear the
screen

1 files changed, 6 insertions, 1 deletions

diff --git a/escape.h b/escape.h
index 20ec740..d04415d 100644
--- a/escape.h
+++ b/escape.h
@@ -17,6 +17,9 @@
 //ESC c
 //ESC [ [1-3] J
 
+//ESCMA-49 mode switch bullshit that may or may not clear the screen
+// ESC [ ? [0-9]* [lh]
+
 //ESC [ [1-2] K
 //ESC [ m @
 //	note: these two can't clear im preview b/c of scroll locking
@@ -78,6 +81,8 @@ int out_clr = 0;
 
 //updates c parity depending on cursor store and restore
 	//if c parity is not NULL
+	// only from ESC 7 and ESC 8, any terminal that implements the CSI
+	// ESC [ s and ESC [ u probably doesn't use the same buffer as above
 //sets clr to 1 if it encounters a cursor clear escape sequence
 	// if clr is not NULL
 
@@ -171,7 +176,7 @@ enum esc_state update_esc_state(char * buff,unsigned int buff_len,
 			break;
 			case CSI_START:
 			case CSI_MID:
-				if (c == 'J') {
+				if (c == 'J' || c == 'h' || c == 'l') {
 					state = CSI_END;	
 					if (clr != NULL) {
 						*clr = 1;