fix parser bug with bell & broken mouse tracking sgr reporting for movement with button

html_orig/css/app.css

@@ -1158,7 +1158,7 @@ body.term #content {
   padding: 6px;
   display: inline-block;
   border: 2px solid #3983CD;
-  font-size: 24px;
+  font-size: 20px;
   font-family: "DejaVu Sans Mono", "Liberation Mono", "Inconsolata", monospace; }
   #screen span {
     white-space: pre; }

html_orig/sass/pages/_term.scss

@@ -22,7 +22,7 @@ body.term {
 	display: inline-block;
 	border: 2px solid #3983CD;
 
-	font-size: 24px; // some font heights cause visual glitches with some font renderers. This should be configurable.
+	font-size: 20px; // some font heights cause visual glitches with some font renderers. This should be configurable.
 	font-family: $screen-stack;
 
 	span {

user/ansi_parser.c

@@ -167,7 +167,7 @@ ansi_parser(char newchar)
 			case BEL:
 				// bel is also used to terminate OSC
 				apars_handle_bel();
-				break;
+				return;
 
 			case ENQ:
 				apars_handle_enq();

user/ansi_parser.rl

@@ -136,7 +136,7 @@ ansi_parser(char newchar)
 			case BEL:
 				// bel is also used to terminate OSC
 				apars_handle_bel();
-				break;
+				return;
 
 			case ENQ:
 				apars_handle_enq();

user/apars_csi.c

@@ -265,6 +265,7 @@ apars_handle_csi(char leadchar, const int *params, int count, char keychar)
 			else if (leadchar == '?') {
 				// Save private attributes (CSI ? Pm h/l)
 				ansi_noimpl("Save private attrs");
+				apars_show_context();
 			}
 			else {
 				// other:
@@ -281,6 +282,7 @@ apars_handle_csi(char leadchar, const int *params, int count, char keychar)
 			else if (leadchar == '?') {
 				// Restore private attributes (CSI ? Pm h/l)
 				ansi_noimpl("Restore private attrs");
+				apars_show_context();
 			}
 			else {
 				// other:
@@ -460,7 +462,6 @@ static void ICACHE_FLASH_ATTR do_csi_privattr(CSI_Data *opts)
 				// 1004 - Send FocusIn/FocusOut events
 				// 1005 - Enable UTF-8 Mouse Mode - we implement this as an alias to X10 mode
 				// 1006 - SGR mouse mode
-
 				if (n == 9) mouse_tracking.mode = yn ? MTM_X10 : MTM_NONE;
 				else if (n == 1000) mouse_tracking.mode = yn ? MTM_NORMAL : MTM_NONE;
 				else if (n == 1002) mouse_tracking.mode = yn ? MTM_BUTTON_MOTION : MTM_NONE;
@@ -469,6 +470,7 @@ static void ICACHE_FLASH_ATTR do_csi_privattr(CSI_Data *opts)
 				else if (n == 1005) mouse_tracking.encoding = yn ? MTE_UTF8 : MTE_SIMPLE;
 				else if (n == 1006) mouse_tracking.encoding = yn ? MTE_SGR : MTE_SIMPLE;
 				else if (n == 1015) mouse_tracking.encoding = yn ? MTE_URXVT : MTE_SIMPLE;
+				dbg("Mouse mode=%d, enc=%d, foctr=%d", mouse_tracking.mode, mouse_tracking.encoding, mouse_tracking.focus_tracking);
 			}
 			else if (n == 12) {
 				// TODO Cursor blink on/off
@@ -552,7 +554,7 @@ static void ICACHE_FLASH_ATTR do_csi_privattr(CSI_Data *opts)
 			if (n == 4) {
 				screen_set_insert_mode(yn);
 			}
-			if (n == 12) {
+			else if (n == 12) {
 				// SRM is inverted, according to vt510 manual
 				termconf_scratch.loopback = !yn;
 			}

user/cgi_sockets.c

@@ -199,7 +199,7 @@ void ICACHE_FLASH_ATTR sendMouseAction(char evt, int y, int x, int button, u8 mo
 		sprintf(buf, "\x1b[M%c%c%c", (u8)(32+eventcode), (u8)(32+x), (u8)(32+y));
 	}
 	else if (mte == MTE_SGR) {
-		sprintf(buf, "\x1b[<%d;%d;%d%c", eventcode, x, y, evt == 'p' ? 'M' : 'm');
+		sprintf(buf, "\x1b[<%d;%d;%d%c", eventcode, x, y, (evt == 'p'||(evt=='m'&&button>0)) ? 'M' : 'm');
 	}
 	else if (mte == MTE_URXVT) {
 		sprintf(buf, "\x1b[%d;%d;%dM", (u8)(32+eventcode), (u8)(32+x), (u8)(32+y));

user/screen.c

@@ -50,11 +50,11 @@ static u32 tab_stops[TABSTOP_WORDS];
  * Screen state structure
  */
 static struct {
-	bool numpad_alt_mode;   //!< Application Mode - affects how user input of control keys is sent
-	bool cursors_alt_mode; //!< Application mode for cursor keys
+	bool numpad_alt_mode;  //!< DECNKM - Numpad Application Mode
+	bool cursors_alt_mode; //!< DECCKM - Cursors Application mode
 
-	bool newline_mode; // LNM - CR automatically sends LF
-	bool reverse;
+	bool newline_mode; //!< LNM - CR automatically sends LF
+	bool reverse;      //!< DECSCNM - Reverse video
 
 	// Vertical margin bounds (inclusive start/end of scrolling region)
 	int vm0;
@@ -66,27 +66,30 @@ static struct {
 #define RH (scr.vm1 - scr.vm0 + 1)
 
 typedef struct {
+	/* Cursor position */
 	int x;        //!< X coordinate
 	int y;        //!< Y coordinate
 	bool hanging; //!< xenl state - cursor half-wrapped
 
-	// SGR
+	/* SGR */
 	bool inverse; //!< not in attrs bc it's applied server-side (not sent to browser)
 	u8 attrs;
 	Color fg;     //!< Foreground color for writing
 	Color bg;     //!< Background color for writing
 
 	// Other attribs
+
+	/* Character set */
 	int charsetN;
 	char charset0;
 	char charset1;
-	bool wraparound;   //!< Wrapping when EOL
-	bool origin_mode; // DECOM - absolute positioning is relative to vertical margins
-	bool selective_erase; // TODO implement
 
-	// Not saved/restored FIXME those should not be saved, but are (a bug?)
-	bool insert_mode;    //!< Insert mode (move rest of the line to the right)
-	bool visible; //!< Visible (not attribute, DEC special)
+	/** DEC private modes */
+	bool wraparound;   //!< DECAWM - Wrapping when EOL
+	bool origin_mode;  //!< DECOM - absolute positioning is relative to vertical margins
+
+	bool insert_mode;  //!< IRM - Insert mode (move rest of the line to the right)
+	bool visible;      //!< DECTCEM - Cursor visible
 } CursorTypeDef;
 
 /**
@@ -245,7 +248,6 @@ cursor_reset(void)
 	cursor.hanging = false;
 	cursor.visible = true;
 	cursor.insert_mode = false;
-	cursor.selective_erase = false;
 	cursor.origin_mode = false;
 
 	cursor.charsetN = 0;
@@ -1292,8 +1294,8 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, void **data)
 					 (scr.cursors_alt_mode ? 1<<2 : 0) |
 					 (scr.numpad_alt_mode ? 1<<3 : 0) |
 					 (termconf->fn_alt_mode ? 1<<4 : 0) |
-					 (mouse_tracking.mode!=MTM_NONE ? 1<<5 : 0) |
-					 (mouse_tracking.mode>=MTM_BUTTON_MOTION ? 1<<6 : 0) |
+					 ((mouse_tracking.mode>MTM_NONE) ? 1<<5 : 0) | // disables context menu
+					 ((mouse_tracking.mode>=MTM_NORMAL) ? 1<<6 : 0) | // disables selecting
 					 (termconf_scratch.show_buttons ? 1<<7 : 0) |
 					 (termconf_scratch.show_config_links ? 1<<8 : 0)
 				 )