Fixed multiline text modals. Fixes #696

modal.go

@@ -1,6 +1,8 @@
 package tview
 
 import (
+	"strings"
+
 	"github.com/gdamore/tcell/v2"
 )
 
@@ -87,8 +89,8 @@ func (m *Modal) SetDoneFunc(handler func(buttonIndex int, buttonLabel string)) *
 }
 
 // SetText sets the message text of the window. The text may contain line
-// breaks. Note that words are wrapped, too, based on the final size of the
-// window.
+// breaks but color tag states will not transfer to following lines. Note that
+// words are wrapped, too, based on the final size of the window.
 func (m *Modal) SetText(text string) *Modal {
 	m.text = text
 	return m
@@ -158,7 +160,15 @@ func (m *Modal) Draw(screen tcell.Screen) {
 
 	// Reset the text and find out how wide it is.
 	m.frame.Clear()
-	lines := WordWrap(m.text, width)
+	var lines []string
+	for _, line := range strings.Split(m.text, "\n") {
+		if len(line) == 0 {
+			lines = append(lines, "")
+			continue
+		}
+		lines = append(lines, WordWrap(line, width)...)
+	}
+	//lines := WordWrap(m.text, width)
 	for _, line := range lines {
 		m.frame.AddText(line, true, AlignCenter, m.textColor)
 	}