Merge branch 'work'

.gitignore

@@ -20,4 +20,5 @@ cmake-build-debug/
 .sass-cache
 
 *.map
-.gitignore
+!.gitignore
+

user/apars_osc.c

@@ -44,6 +44,10 @@ handle_espterm_osc(int n0, int n1, char *buffer)
 		// Button message
 		screen_set_button_message(n1, buffer);
 	}
+	else if (n0 == 30) {
+		// Button color
+		screen_set_button_color(n1, buffer);
+	}
 	else goto bad;
 	return;
 

user/apars_short.c

@@ -94,21 +94,33 @@ apars_handle_space_cmd(char c)
 void ICACHE_FLASH_ATTR apars_handle_hash_cmd(char c)
 {
 	switch(c) {
+		case '1': // Double height, single width, top half (CUSTOM!)
+			screen_set_line_attr(1, 2, 1);
+			break;
+		case '2': // Double height, single width, bottom half (CUSTOM!)
+			screen_set_line_attr(1, 1, 2);
+			break;
 		case '3': // Double size, top half
-		case '4': // Single size, bottom half
+			screen_set_line_attr(2, 2, 1);
+			break;
+		case '4': // Double size, bottom half
+			screen_set_line_attr(2, 1, 2);
+			break;
 		case '5': // Single width, single height
+			screen_set_line_attr(1, 1, 1);
+			break;
 		case '6': // Double width
-			ansi_noimpl("Double Size Line");
+			screen_set_line_attr(2, 1, 1);
 			break;
 
 		case '8':
 			screen_fill_with_E();
 			break;
 
-		// development codes - do not use!
-		case '7':
-			http_get("http://wtfismyip.com/text", NULL, http_callback_example);
-			break;
+//		// development codes - do not use!
+//		case '7':
+//			http_get("http://wtfismyip.com/text", NULL, http_callback_example);
+//			break;
 
 		default:
 			ansi_noimpl("ESC # %c", c);

user/screen.c

@@ -39,6 +39,7 @@ static Cell screen[MAX_SCREEN_SIZE];
 
 
 #define TABSTOP_WORDS 5
+#define LINE_ATTRS_COUNT 64
 /**
  * Screen state structure
  */
@@ -57,9 +58,12 @@ static struct {
 	int vm1;
 
 	u32 tab_stops[TABSTOP_WORDS]; // tab stops bitmap
+	u8 line_attribs[LINE_ATTRS_COUNT]; // assume that's quite enough...
 	char last_char[4];
 } scr;
 
+#define IS_DOUBLE_WIDTH() (scr.line_attribs[cursor.y]&0b001)
+
 #define TOP scr.vm0
 #define BTM scr.vm1
 #define RH (scr.vm1 - scr.vm0 + 1)
@@ -373,6 +377,8 @@ terminal_restore_defaults(void)
 	strcpy((char*)termconf->bm4, "\x04");
 	strcpy((char*)termconf->bm5, "\x05");
 
+	termconf->bc1 = termconf->bc2 = termconf->bc3 = termconf->bc4 = termconf->bc5 = 0;
+
 	termconf->theme = 0;
 	termconf->parser_tout_ms = SCR_DEF_PARSER_TOUT_MS;
 	termconf->display_tout_ms = SCR_DEF_DISPLAY_TOUT_MS;
@@ -389,6 +395,8 @@ terminal_restore_defaults(void)
 	termconf->allow_decopt_12 = SCR_DEF_DECOPT12;
 	termconf->ascii_debug = SCR_DEF_ASCIIDEBUG;
 	termconf->backdrop[0] = 0;
+	termconf->font_stack[0] = 0;
+	termconf->font_size = 20;
 }
 
 /**
@@ -440,6 +448,14 @@ terminal_apply_settings_noclear(void)
 		termconf->button_count = SCR_DEF_BUTTON_COUNT;
 		changed = 1;
 	}
+	if (termconf->config_version < 6) {
+		persist_dbg("termconf: Updating to version 6");
+		termconf->backdrop[0] = 0;
+		termconf->font_stack[0] = 0;
+		termconf->font_size = 20;
+		termconf->bc1 = termconf->bc2 = termconf->bc3 = termconf->bc4 = termconf->bc5 = 0;
+		changed = 1;
+	}
 
 	termconf->config_version = TERMCONF_VERSION;
 
@@ -539,7 +555,12 @@ screen_reset_sgr(void)
 static void ICACHE_FLASH_ATTR
 screen_reset_do(bool size, bool labels)
 {
-	ScreenNotifyTopics topics = TOPIC_CHANGE_SCREEN_OPTS | TOPIC_CHANGE_CURSOR | TOPIC_CHANGE_CONTENT_ALL;
+	ScreenNotifyTopics topics =
+		TOPIC_CHANGE_SCREEN_OPTS
+		| TOPIC_CHANGE_CURSOR
+		| TOPIC_CHANGE_CONTENT_ALL
+		| TOPIC_DOUBLE_LINES;
+
 	NOTIFY_LOCK();
 
 	// DECopts
@@ -576,6 +597,9 @@ screen_reset_do(bool size, bool labels)
 		scr.tab_stops[i] = 0x80808080;
 	}
 
+	// clear line attribs
+	memset(scr.line_attribs, 0, LINE_ATTRS_COUNT);
+
 	if (labels) {
 		strcpy(termconf_live.title, termconf->title);
 		strcpy(termconf_live.backdrop, termconf->backdrop);
@@ -675,6 +699,32 @@ screen_swap_state(bool alternate)
 
 //endregion
 
+//region --- Double lines ---
+
+void ICACHE_FLASH_ATTR
+screen_set_line_attr(uint8_t double_w, uint8_t double_h_top, uint8_t double_h_bot)
+{
+	NOTIFY_LOCK();
+	u8 attr = scr.line_attribs[cursor.y];
+	if (double_w==2) attr |= 0b001;
+	else if (double_w==1) attr &= ~0b001;
+	if (double_h_top==2) attr |= 0b010;
+	else if (double_h_top==1) attr &= ~0b010;
+	if (double_h_bot==2) attr |= 0b100;
+	else if (double_h_bot==1) attr &= ~0b100;
+	scr.line_attribs[cursor.y] = attr;
+
+	if (attr & 0b001) {
+		// if we're using double width - clamp cursor X position
+		// TODO this should happen in all cursor ops - now it can sometimes go offscreen
+		if (cursor.x >= W/2) cursor.x = W/2;
+	}
+
+	NOTIFY_DONE(TOPIC_DOUBLE_LINES);
+}
+
+//endregion
+
 //region --- Tab stops ---
 
 void ICACHE_FLASH_ATTR
@@ -710,6 +760,7 @@ next_tab_stop(void)
 {
 	// cursor must never go past EOL
 	if (cursor.x >= W-1) return -1;
+	if (IS_DOUBLE_WIDTH() && cursor.x >= W/2-1) return -1;
 
 	// find first word to inspect
 	int idx = (cursor.x+1)/32;
@@ -721,6 +772,7 @@ next_tab_stop(void)
 		for(;offs<32;offs++) {
 			cp++;
 			if (cp >= W) return -1;
+			if (IS_DOUBLE_WIDTH() && cp >= W/2) return -1;
 			if (w & 1) return cp;
 			w >>= 1;
 		}
@@ -778,6 +830,7 @@ screen_tab_forward(int count)
 		}
 		else {
 			cursor.x = W - 1;
+			if (IS_DOUBLE_WIDTH()) cursor.x = W/2 - 1;
 		}
 	}
 	NOTIFY_DONE(TOPIC_CHANGE_CURSOR);
@@ -979,19 +1032,23 @@ screen_clear(ClearMode mode)
 			unicode_cache_clear();
 			clear_range_noutf(0, W * H - 1);
 			scr.last_char[0]  = 0;
+			for (int i = 0; i < LINE_ATTRS_COUNT; i++) scr.line_attribs[i] = 0;
 			break;
 
 		case CLEAR_FROM_CURSOR:
 			clear_range_utf((cursor.y * W) + cursor.x, W * H - 1);
 			expand_dirty(cursor.y, H-1, 0, W-1);
+			for (int i = cursor.y; i < LINE_ATTRS_COUNT; i++) scr.line_attribs[i] = 0;
 			break;
 
 		case CLEAR_TO_CURSOR:
 			clear_range_utf(0, (cursor.y * W) + cursor.x);
 			expand_dirty(0, cursor.y, 0, W-1);
+			for (int i = 0; i <= cursor.y; i++) scr.line_attribs[i] = 0;
 			break;
 	}
-	NOTIFY_DONE(mode == CLEAR_ALL ? TOPIC_CHANGE_CONTENT_ALL : TOPIC_CHANGE_CONTENT_PART);
+	NOTIFY_DONE((mode == CLEAR_ALL ? TOPIC_CHANGE_CONTENT_ALL : TOPIC_CHANGE_CONTENT_PART)
+				| TOPIC_DOUBLE_LINES);
 }
 
 /**
@@ -1043,11 +1100,15 @@ screen_insert_lines(unsigned int lines)
 	int targetStart = cursor.y + lines;
 	if (targetStart > BTM) {
 		clear_range_utf(cursor.y*W, (BTM+1)*W-1);
+		for (int i = cursor.y; i <= BTM; i++) {
+			scr.line_attribs[i] = 0;
+		}
 	} else {
 		// do the moving
 		for (int i = BTM; i >= targetStart; i--) {
 			utf_free_row(i); // release old characters
 			copy_row(i, i - lines);
+			scr.line_attribs[i] = scr.line_attribs[i-lines];
 			if (i != targetStart) utf_backup_row(i);
 		}
 
@@ -1059,7 +1120,7 @@ screen_insert_lines(unsigned int lines)
 		}
 	}
 	expand_dirty(cursor.y, BTM, 0, W - 1);
-	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART);
+	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART|TOPIC_DOUBLE_LINES);
 }
 
 void ICACHE_FLASH_ATTR
@@ -1074,18 +1135,26 @@ screen_delete_lines(unsigned int lines)
 		// clear the entire rest of the screen
 		movedBlockEnd = cursor.y;
 		clear_range_utf(movedBlockEnd*W, (BTM+1)*W-1);
+		for (int i = movedBlockEnd; i <= BTM; i++) {
+			scr.line_attribs[i] = 0;
+		}
 	} else {
 		// move some lines up, clear the rest
 		for (int i = cursor.y; i <= movedBlockEnd; i++) {
 			utf_free_row(i);
 			copy_row(i, i+lines);
+			scr.line_attribs[i] = scr.line_attribs[i+lines];
 			if (i != movedBlockEnd) utf_backup_row(i);
 		}
 		clear_range_noutf((movedBlockEnd+1)*W, (BTM+1)*W-1);
+
+		for (int i = movedBlockEnd+1; i <= BTM; i++) {
+			scr.line_attribs[i] = 0;
+		}
 	}
 
 	expand_dirty(cursor.y, BTM, 0, W - 1);
-	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART);
+	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART|TOPIC_DOUBLE_LINES);
 }
 
 void ICACHE_FLASH_ATTR
@@ -1206,12 +1275,13 @@ void ICACHE_FLASH_ATTR
 screen_set_button_text(int num, const char *text)
 {
 	NOTIFY_LOCK();
-	if (num == 1) strncpy(termconf_live.btn1, text, TERM_BTN_LEN);
-	else if (num == 2) strncpy(termconf_live.btn2, text, TERM_BTN_LEN);
-	else if (num == 3) strncpy(termconf_live.btn3, text, TERM_BTN_LEN);
-	else if (num == 4) strncpy(termconf_live.btn4, text, TERM_BTN_LEN);
-	else if (num == 5) strncpy(termconf_live.btn5, text, TERM_BTN_LEN);
+
+	if (num >= 1 && num <= TERM_BTN_COUNT) {
+		char *buf = TERM_BTN_N(&termconf_live, num - 1);
+		strncpy(buf, text, TERM_BTN_MSG_LEN);
+	}
 	else ansi_warn("Bad button num: %d", num);
+
 	NOTIFY_DONE(TOPIC_CHANGE_BUTTONS);
 }
 
@@ -1224,12 +1294,32 @@ void ICACHE_FLASH_ATTR
 screen_set_button_message(int num, const char *msg)
 {
 	NOTIFY_LOCK();
-	if (num == 1) strncpy(termconf_live.bm1, msg, TERM_BTN_MSG_LEN);
-	else if (num == 2) strncpy(termconf_live.bm2, msg, TERM_BTN_MSG_LEN);
-	else if (num == 3) strncpy(termconf_live.bm3, msg, TERM_BTN_MSG_LEN);
-	else if (num == 4) strncpy(termconf_live.bm4, msg, TERM_BTN_MSG_LEN);
-	else if (num == 5) strncpy(termconf_live.bm5, msg, TERM_BTN_MSG_LEN);
+
+	if (num >= 1 && num <= TERM_BTN_COUNT) {
+		char *buf = TERM_BM_N(&termconf_live, num - 1);
+		strncpy(buf, msg, TERM_BTN_MSG_LEN);
+	}
 	else ansi_warn("Bad button num: %d", num);
+
+	NOTIFY_DONE(TOPIC_CHANGE_BUTTONS);
+}
+
+/**
+ * Helper function to set terminal button label
+ * @param num - button number 1-5
+ * @param str - button text
+ */
+void ICACHE_FLASH_ATTR
+screen_set_button_color(int num, const char *buf)
+{
+	NOTIFY_LOCK();
+
+	if (num >= 1 && num <= TERM_BTN_COUNT)  {
+		u32 *fieldptr = &termconf_live.bc1 + (num-1);
+		xset_term_color("", fieldptr, buf, NULL);
+	}
+	else ansi_warn("Bad button num: %d", num);
+
 	NOTIFY_DONE(TOPIC_CHANGE_BUTTONS);
 }
 
@@ -1271,6 +1361,9 @@ screen_scroll_up(unsigned int lines)
 	if (lines >= RH) {
 		// clear entire region
 		clear_range_utf(TOP * W, (BTM + 1) * W - 1);
+		for (int i = TOP; i <= BTM; i++) {
+			scr.line_attribs[i] = 0;
+		}
 		goto done;
 	}
 
@@ -1283,14 +1376,18 @@ screen_scroll_up(unsigned int lines)
 	for (y = TOP; y <= BTM - lines; y++) {
 		utf_free_row(y);
 		copy_row(y, y+lines);
+		scr.line_attribs[y] = scr.line_attribs[y+lines];
 		if (y < BTM - lines) utf_backup_row(y);
 	}
 
 	clear_range_noutf(y * W, (BTM + 1) * W - 1);
+	for (int i = y; i <= BTM; i++) {
+		scr.line_attribs[i] = 0;
+	}
 
 done:
 	expand_dirty(TOP, BTM, 0, W - 1);
-	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART);
+	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART|TOPIC_DOUBLE_LINES);
 }
 
 /**
@@ -1303,6 +1400,9 @@ screen_scroll_down(unsigned int lines)
 	if (lines >= RH) {
 		// clear entire region
 		clear_range_utf(TOP * W, (BTM + 1) * W - 1);
+		for (int i = TOP; i <= BTM; i++) {
+			scr.line_attribs[i] = 0;
+		}
 		goto done;
 	}
 
@@ -1315,13 +1415,17 @@ screen_scroll_down(unsigned int lines)
 	for (y = BTM; y >= TOP+lines; y--) {
 		utf_free_row(y);
 		copy_row(y, y-lines);
+		scr.line_attribs[y] = scr.line_attribs[y-lines];
 		if (y > TOP + lines) utf_backup_row(y);
 	}
 
-	clear_range_noutf(TOP * W, TOP * W + lines * W - 1);
+	clear_range_noutf(TOP * W, (TOP + lines) * W - 1);
+	for (int i = TOP; i < TOP + lines; i++) {
+		scr.line_attribs[i] = 0;
+	}
 done:
 	expand_dirty(TOP, BTM, 0, W - 1);
-	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART);
+	NOTIFY_DONE(TOPIC_CHANGE_CONTENT_PART|TOPIC_DOUBLE_LINES);
 }
 
 /** Set scrolling region */
@@ -1426,6 +1530,9 @@ screen_cursor_set_x(int x)
 	// hanging happens when the cursor is virtually at col=81, which
 	// cannot be set using the cursor-set commands.
 	cursor.hanging = false;
+
+	if (IS_DOUBLE_WIDTH() && cursor.x >= W/2) cursor.x = W/2-1;
+
 	NOTIFY_DONE(TOPIC_CHANGE_CURSOR);
 }
 
@@ -1470,6 +1577,7 @@ screen_cursor_move(int dy, int dx, bool scroll)
 	cursor.x += dx;
 	cursor.y += dy;
 	if (cursor.x >= (int)W) cursor.x = W - 1;
+	if (IS_DOUBLE_WIDTH() && cursor.x >= W/2) cursor.x = W/2-1;
 	if (cursor.x < (int)0) {
 		if (cursor.auto_wrap && cursor.reverse_wrap) {
 			// this is mimicking a behavior from xterm that allows any number of steps backwards with reverse wraparound enabled
@@ -1576,6 +1684,8 @@ screen_cursor_restore(bool withAttrs)
 		}
 	}
 
+	if (IS_DOUBLE_WIDTH() && cursor.x >= W/2) cursor.x = W/2-1;
+
 	NOTIFY_DONE(TOPIC_CHANGE_CURSOR);
 }
 
@@ -1944,6 +2054,10 @@ putchar_graphic(const char *ch)
 		cursor.hanging = true; // hanging - next typed char wraps around, but backspace and arrows still stay on the same line.
 		cursor.x = W - 1;
 	}
+	if (IS_DOUBLE_WIDTH() && cursor.x >= W/2) {
+		cursor.hanging = true; // hanging
+		cursor.x = W/2 - 1;
+	}
 
 	NOTIFY_DONE(topics);
 	return ch;
@@ -2143,6 +2257,15 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics,
 		bufput_utf8((num)); \
 	} while(0)
 
+#define bufput_color_utf8(c) do { \
+		if ((c) < 256) { \
+			bufput_utf8(c); \
+		} else { \
+			bufput_utf8((((c)-256)&0xFFF) | 0x10000); \
+			bufput_utf8((((c)-256)>>12)&0xFFF); \
+		} \
+	} while(0)
+
 	// tags for screen serialization
 #define SEQ_TAG_SKIP '\x01'
 #define SEQ_TAG_REPEAT '\x02'
@@ -2153,6 +2276,7 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics,
 #define SEQ_TAG_ATTRS_0 '\x07'
 
 #define TOPICMARK_SCREEN_OPTS 'O'
+#define TOPICMARK_STATIC_OPTS 'P'
 #define TOPICMARK_TITLE   'T'
 #define TOPICMARK_BUTTONS 'B'
 #define TOPICMARK_DEBUG   'D'
@@ -2160,6 +2284,7 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics,
 #define TOPICMARK_CURSOR  'C'
 #define TOPICMARK_SCREEN   'S'
 #define TOPICMARK_BACKDROP 'W'
+#define TOPICMARK_DBL_LINE 'H'
 
 	if (ss == NULL) {
 		// START!
@@ -2250,12 +2375,8 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics,
 			bufput_utf8(H);
 			bufput_utf8(W);
 			bufput_utf8(termconf_live.theme);
-
-			bufput_utf8(termconf_live.default_fg & 0xFFFF);
-			bufput_utf8((termconf_live.default_fg >> 16) & 0xFFFF);
-
-			bufput_utf8(termconf_live.default_bg & 0xFFFF);
-			bufput_utf8((termconf_live.default_bg >> 16) & 0xFFFF);
+			bufput_color_utf8(termconf_live.default_fg);
+			bufput_color_utf8(termconf_live.default_bg);
 
 			bufput_utf8(
 				(scr.cursor_visible << 0) |
@@ -2274,6 +2395,36 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics,
 			);
 		END_TOPIC
 
+		BEGIN_TOPIC(TOPIC_CHANGE_STATIC_OPTS, 110)
+			bufput_c(TOPICMARK_STATIC_OPTS);
+
+			size_t len = strlen(termconf_live.font_stack);
+			if (len > 0) {
+				memcpy(bb, termconf_live.font_stack, len);
+				bb += len;
+				remain -= len;
+			}
+			bufput_c('\x01');
+
+			bufput_utf8(termconf_live.font_size);
+		END_TOPIC
+
+		BEGIN_TOPIC(TOPIC_DOUBLE_LINES, 70)
+			bufput_c(TOPICMARK_DBL_LINE);
+
+			int cnt = 0;
+			for (int i = 0; i < LINE_ATTRS_COUNT; i++) {
+				if (scr.line_attribs[i] != 0) cnt++;
+			}
+			bufput_utf8(cnt);
+
+			for (int i = 0; i < LINE_ATTRS_COUNT; i++) {
+				if (scr.line_attribs[i] != 0) {
+					bufput_utf8((i << 3) | (scr.line_attribs[i]&0b111));
+				}
+			}
+		END_TOPIC
+
 		BEGIN_TOPIC(TOPIC_CHANGE_TITLE, TERM_TITLE_LEN+4+1)
 			bufput_c(TOPICMARK_TITLE);
 
@@ -2291,7 +2442,11 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics,
 
 			bufput_utf8(termconf_live.button_count);
 
+			u32 *cp = &termconf_live.bc1;
 			for (int i = 0; i < termconf_live.button_count; i++) {
+				uint32_t c = *cp++;
+				bufput_color_utf8(c);
+
 				size_t len = strlen(TERM_BTN_N(&termconf_live, i));
 				if (len > 0) {
 					memcpy(bb, TERM_BTN_N(&termconf_live, i), len);
@@ -2333,6 +2488,8 @@ screenSerializeToBuffer(char *buffer, size_t buf_len, ScreenNotifyTopics topics,
 			bufput_utf8(cursor.charsetN);
 			bufput_c(cursor.charset0);
 			bufput_c(cursor.charset1);
+			bufput_color_utf8(cursor.fg);
+			bufput_color_utf8(cursor.bg);
 			bufput_utf8(system_get_free_heap_size());
 			bufput_utf8(term_active_clients);
 		END_TOPIC

user/screen.h

@@ -40,6 +40,7 @@
 #define TERM_TITLE_LEN 64
 #define TERM_BTN_COUNT 5
 #define TERM_BACKDROP_LEN 100
+#define TERM_FONTSTACK_LEN 100
 
 #define SCR_DEF_DISPLAY_TOUT_MS 12
 #define SCR_DEF_DISPLAY_COOLDOWN_MS 35
@@ -77,8 +78,8 @@ enum CursorShape {
 
 // Size designed for the terminal config structure
 // Must be constant to avoid corrupting user config after upgrade
-#define TERMCONF_SIZE 400
-#define TERMCONF_VERSION 5
+#define TERMCONF_SIZE 500
+#define TERMCONF_VERSION 6
 
 //....Type................Name..Suffix...............Deref..XGET.........Cast..XSET...........NOTIFY..Allow
 // Deref is used to pass the field to xget. Cast is used to convert the &'d field to what xset wants (needed for static arrays)
@@ -114,7 +115,14 @@ enum CursorShape {
 	X(bool,           allow_decopt_12, /**/,        /**/, xget_bool,     xset_bool, NULL,     /**/, 1) \
 	X(bool,           ascii_debug, /**/,            /**/, xget_bool,     xset_bool, NULL,     /**/, 1) \
 	X(char,           backdrop, [TERM_BACKDROP_LEN], /**/, xget_string,  xset_string, TERM_BACKDROP_LEN,  /**/, 1) \
-	X(u8,             button_count, /**/,            /**/, xget_dec,     xset_u8, NULL,       /**/, 1)
+	X(u8,             button_count, /**/,            /**/, xget_dec,     xset_u8, NULL,       /**/, 1) \
+	X(u32,            bc1, /**/,      /**/, xget_term_color,  xset_term_color, NULL,  /**/, 1) \
+	X(u32,            bc2, /**/,      /**/, xget_term_color,  xset_term_color, NULL,  /**/, 1) \
+	X(u32,            bc3, /**/,      /**/, xget_term_color,  xset_term_color, NULL,  /**/, 1) \
+	X(u32,            bc4, /**/,      /**/, xget_term_color,  xset_term_color, NULL,  /**/, 1) \
+	X(u32,            bc5, /**/,      /**/, xget_term_color,  xset_term_color, NULL,  /**/, 1) \
+	X(char,           font_stack, [TERM_FONTSTACK_LEN], /**/, xget_string,  xset_string, TERM_FONTSTACK_LEN,  /**/, 1) \
+	X(u8,             font_size, /**/,              /**/, xget_dec,      xset_u8, NULL,       /**/, 1)
 
 #define TERM_BM_N(tc, n) ((tc)->bm1+(TERM_BTN_MSG_LEN*n))
 #define TERM_BTN_N(tc, n) ((tc)->btn1+(TERM_BTN_LEN*n))
@@ -183,6 +191,7 @@ void screen_set_title(const char *title);
 /** Set a button text */
 void screen_set_button_text(int num, const char *text);
 void screen_set_button_message(int num, const char *msg);
+void screen_set_button_color(int num, const char *buf);
 void screen_set_button_count(int count);
 /** Change backdrop */
 void screen_set_backdrop(const char *url);
@@ -208,16 +217,20 @@ enum ScreenSerializeTopic {
 	TOPIC_INTERNAL            = (1<<6), // debugging internal state
 	TOPIC_BELL                = (1<<7), // beep
 	TOPIC_CHANGE_BACKDROP     = (1<<8),
+	TOPIC_CHANGE_STATIC_OPTS  = (1<<9),
+	TOPIC_DOUBLE_LINES        = (1<<10),
 	TOPIC_FLAG_NOCLEAN        = (1<<15), // do not clean dirty extents
 
 	// combos
 	TOPIC_INITIAL =
 		TOPIC_CHANGE_SCREEN_OPTS |
+		TOPIC_CHANGE_STATIC_OPTS |
 		TOPIC_CHANGE_CONTENT_ALL |
 		TOPIC_CHANGE_CURSOR |
 		TOPIC_CHANGE_TITLE |
 		TOPIC_CHANGE_BACKDROP |
-		TOPIC_CHANGE_BUTTONS,
+		TOPIC_CHANGE_BUTTONS |
+		TOPIC_DOUBLE_LINES,
 };
 
 typedef u16 ScreenNotifyTopics;
@@ -369,6 +382,9 @@ void screen_tab_reverse(int count);
 /** Move left, shift right if at the boundary */
 void screen_back_index(int count);
 
+/** Set line attribs; 0-no change, 1,2 - single,double */
+void screen_set_line_attr(uint8_t double_w, uint8_t double_h_top, uint8_t double_h_bot);
+
 // --- Printing characters ---
 
 /**

user/version.h

@@ -11,7 +11,7 @@
 #define FW_V_MAJOR 2
 #define FW_V_MINOR 3
 #define FW_V_PATCH 0
-#define FW_V_SUFFIX "-pre1"
+#define FW_V_SUFFIX ""
 #define FW_CODENAME "Cricket" // 2.3
 #define FW_CODENAME_QUOTED "\""FW_CODENAME"\""