From d862b833292133948e67bfd39a20d825bc80733e Mon Sep 17 00:00:00 2001
From: WormHeamer
Date: Thu, 1 Jan 2026 04:08:12 -0500
Subject: add FG_DEFAULT/BG_DEFAULT and J to join lines

---
 vui.c | 39 ++++++++++++++++++---------------------
 1 file changed, 18 insertions(+), 21 deletions(-)

(limited to 'vui.c')

diff --git a/vui.c b/vui.c
index 9902707..0c6c071 100644
--- a/vui.c
+++ b/vui.c
@@ -108,7 +108,7 @@ static void vui_clrspan(VuiBuffer *buf, unsigned x0, unsigned x1, unsigned y) {
 		BCHR(buf, x, y) = ' ';
 	}
 	for (unsigned x = x0; x < x1; x++) {
-		BATTR(buf, x, y) = ATTR_DEFAULT;
+		BATTR(buf, x, y) = A_DEFAULT;
 	}
 }
 
@@ -244,7 +244,6 @@ void vui_redraw(void) {
 
 void vui_init(void) {
 	/* set white:black to default */
-	printf(CSI "40;37m" CSI "8]");
 	vui_curs_vis(0);
 	vui_enable();
 	vui_redraw();
@@ -420,10 +419,10 @@ static void attr_chg(VuiAttr *ptr, VuiAttr to) {
 	if (!chg_attr) goto chg_colors;
 
 	/* deduct color changes */
-	attr_chg_count -= (ATTR_FG(to) == ATTR_FG(from)) && (ATTR_FG(to) != ATTR_DEFAULT);
-	attr_chg_count -= (ATTR_BG(to) == ATTR_BG(from)) && (ATTR_BG(to) != ATTR_DEFAULT);
+	attr_chg_count -= (ATTR_FG(to) == ATTR_FG(from)) && (ATTR_FG(to) != FG_DEFAULT);
+	attr_chg_count -= (ATTR_BG(to) == ATTR_BG(from)) && (ATTR_BG(to) != FG_DEFAULT);
 
-	int should_rebuild = (attr_chg_count > 1) || to == ATTR_DEFAULT;
+	int should_rebuild = (attr_chg_count > 1) || to == A_DEFAULT;
 
 	if (should_rebuild) {
 		vui_outs(CSI "0");
@@ -433,9 +432,7 @@ static void attr_chg(VuiAttr *ptr, VuiAttr to) {
 		if (to & A_UNDERSCORE) vui_outs(";4");
 		if (to & A_BLINK) vui_outs(";5");
 		if (to & A_REVERSE) vui_outs(";7");
-		from = ATTR_DEFAULT;
-		assert(ATTR_FG(from) == FG_WHITE);
-		assert(ATTR_BG(from) == BG_BLACK);
+		from = A_DEFAULT;
 	} else {
 		int sep = 0;
 		vui_outs(CSI);
@@ -472,17 +469,17 @@ chg_colors:;
 		if (chg_attr) vui_outc(';');
 		else vui_outs(CSI);
 		if (chg_fg) {
-			vui_outc(t_fg > 7 ? '9' : '3');
-			vui_outc((t_fg & 7) + '0');
+			vui_outc(t_fg > 9 ? '9' : '3');
+			vui_outc((t_fg > 9 ? t_fg - 9 : t_fg) + '0');
 		}
 		if (chg_bg) {
 			if (chg_fg) vui_outc(';');
-			if (t_bg > 7) {
+			if (t_bg > 9) {
 				vui_outs("10");
 			} else {
 				vui_outc('4');
 			}
-			vui_outc((t_bg & 7) + '0');
+			vui_outc((t_bg > 9 ? t_bg - 9 : t_bg) + '0');
 		}
 	}
 
@@ -492,19 +489,19 @@ chg_colors:;
 
 void vui_scroll_buf(VuiBuffer *b, int dx, int dy);
 
-static VuiAttr attr_last = ATTR_DEFAULT;
+static VuiAttr attr_last = A_DEFAULT;
 static unsigned cur_x = 0;
 static unsigned cur_y = 0;
 
 static void emit_scroll_x(u32 y) {
 	if (win.scroll_x < 0) {
 		/* delete chars at start of line */
-		attr_chg(&attr_last, ATTR_DEFAULT);
+		attr_chg(&attr_last, A_DEFAULT);
 		curs_move(&cur_x, &cur_y, 0, y);
 		vui_outf(CSI "%dP", -win.scroll_x);
 	} else if (win.scroll_x > 0) {
 		/* insert spaces at start of line */
-		attr_chg(&attr_last, ATTR_DEFAULT);
+		attr_chg(&attr_last, A_DEFAULT);
 		curs_move(&cur_x, &cur_y, 0, y);
 		vui_outf(CSI "%d@", win.scroll_x);
 	}
@@ -516,13 +513,13 @@ static void emit_scroll_y(void) {
 	if (win.scroll_y < 0) {
 		/* delete lines at top */
 		curs_move(&cur_x, &cur_y, 0, 0);
-		attr_chg(&attr_last, ATTR_DEFAULT);
+		attr_chg(&attr_last, A_DEFAULT);
 		if (win.scroll_y == -1) vui_outs(CSI "M");
 		else vui_outf(CSI "%dM", -win.scroll_y);
 	} else if (win.scroll_y > 0) {
 		/* insert blank lines at top */
 		curs_move(&cur_x, &cur_y, 0, 0);
-		attr_chg(&attr_last, ATTR_DEFAULT);
+		attr_chg(&attr_last, A_DEFAULT);
 		if (win.scroll_y == 1) vui_outs(CSI "L");
 		else vui_outf(CSI "%dL", win.scroll_y);
 	}
@@ -534,7 +531,7 @@ void vui_blit(void) {
 
 	if (win.redraw_all) {
 		vui_outs(CSI "H" CSI "2J" CSI "0m");
-		attr_last = ATTR_DEFAULT;
+		attr_last = A_DEFAULT;
 		unsigned max = COLS * LINES;
 		for (unsigned i = 0; i < max; i++) {
 			attr_chg(&attr_last, front->attr[i]);
@@ -593,7 +590,7 @@ void vui_chra(int x, int y, VuiChar c, VuiAttr a) {
 }
 
 void vui_chr(int x, int y, VuiChar c) {
-	vui_chra(x, y, c, ATTR_DEFAULT);
+	vui_chra(x, y, c, A_DEFAULT);
 }
 
 static void truncate_span(int *x, unsigned *nptr) {
@@ -628,7 +625,7 @@ u32 vui_putsna(int x, int y, const char *s, unsigned srcn, VuiAttr a) {
 }
 
 u32 vui_putsn(int x, int y, const char *s, unsigned n) {
-	return vui_putsna(x, y, s, n, ATTR_DEFAULT);
+	return vui_putsna(x, y, s, n, A_DEFAULT);
 }
 
 u32 vui_putsa(int x, int y, const char *s, VuiAttr a) {
@@ -666,7 +663,7 @@ int vui_aprintf(int x, int y, VuiAttr a, const char *fmt, ...) {
 int vui_printf(int x, int y, const char *fmt, ...) {
 	va_list ap;
 	va_start(ap, fmt);
-	int r = vui_avprintf(x, y, ATTR_DEFAULT, fmt, ap);
+	int r = vui_avprintf(x, y, A_DEFAULT, fmt, ap);
 	va_end(ap);
 	return r;
 }
-- 
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