From 81f6648f6436a565b1bd8730eb5c1ad25e97a3fe Mon Sep 17 00:00:00 2001
From: Garrett D'Amore <garrett@damore.org>
Date: Tue, 5 Mar 2024 02:40:30 -0800
Subject: [PATCH] Underline colors for webassembly.

---
 webfiles/tcell.js | 25 ++++++++++++++-----------
 wscreen.go        |  9 ++++++++-
 2 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/webfiles/tcell.js b/webfiles/tcell.js
index d3ec2ce..44c76cc 100644
--- a/webfiles/tcell.js
+++ b/webfiles/tcell.js
@@ -60,7 +60,7 @@ function clearScreen(fg, bg) {
   }
 }
 
-function drawCell(x, y, mainc, combc, fg, bg, attrs) {
+function drawCell(x, y, mainc, combc, fg, bg, attrs, us, uc) {
   var combString = String.fromCharCode(mainc);
   combc.forEach((char) => {
     combString += String.fromCharCode(char);
@@ -91,9 +91,6 @@ function drawCell(x, y, mainc, combc, fg, bg, attrs) {
     if ((attrs & 1) != 0) {
       span.classList.add("bold");
     }
-    if ((attrs & (1 << 3)) != 0) {
-      span.classList.add("underline");
-    }
     if ((attrs & (1 << 4)) != 0) {
       span.classList.add("dim");
     }
@@ -103,19 +100,25 @@ function drawCell(x, y, mainc, combc, fg, bg, attrs) {
     if ((attrs & (1 << 6)) != 0) {
       span.classList.add("strikethrough");
     }
-    if ((attrs & (1 << 7)) != 0) {
+  }
+  if (us != 0) {
+    use = true;
+    if (us == 1) {
+      span.classList.add("underline");
+    } else if (us == 2) {
       span.classList.add("double_underline");
-    }
-    if ((attrs & (1 << 8)) != 0) {
+    } else if (us == 3) {
       span.classList.add("curly_underline");
-    }
-    if ((attrs & (1 << 9)) != 0) {
+    } else if (us == 4) {
       span.classList.add("dotted_underline");
-    }
-    if ((attrs & (1 << 10)) != 0) {
+    } else if (us == 5) {
       span.classList.add("dashed_underline");
     }
+    if (uc != -1) {
+      span.style.textDecorationColor = intToHex(uc);
+    }
   }
+
   if ((attrs & (1 << 1)) != 0) {
     var blink = document.createElement("span");
     blink.classList.add("blink");
diff --git a/wscreen.go b/wscreen.go
index c427f7b..387e48b 100644
--- a/wscreen.go
+++ b/wscreen.go
@@ -66,6 +66,9 @@ func (t *wScreen) Init() error {
 	t.Unlock()
 
 	js.Global().Set("onKeyEvent", js.FuncOf(t.onKeyEvent))
+	js.Global().Set("onMouseClick", js.FuncOf(t.unset))
+	js.Global().Set("onMouseMove", js.FuncOf(t.unset))
+	js.Global().Set("onFocus", js.FuncOf(t.unset))
 
 	return nil
 }
@@ -133,6 +136,10 @@ func (t *wScreen) drawCell(x, y int) int {
 	if bg == -1 {
 		bg = 0x000000
 	}
+	us, uc := style.ulStyle, paletteColor(style.ulColor)
+	if uc == -1 {
+		uc = 0x000000
+	}
 
 	var combcarr []interface{} = make([]interface{}, len(combc))
 	for i, c := range combc {
@@ -140,7 +147,7 @@ func (t *wScreen) drawCell(x, y int) int {
 	}
 
 	t.cells.SetDirty(x, y, false)
-	js.Global().Call("drawCell", x, y, mainc, combcarr, fg, bg, int(style.attrs))
+	js.Global().Call("drawCell", x, y, mainc, combcarr, fg, bg, int(style.attrs), int(us), int(uc))
 
 	return width
 }