Fix cursor line in true color colorschemes

Ref #171

cmd/micro/colorscheme.go

@@ -100,7 +100,7 @@ func StringToStyle(str string) tcell.Style {
 	fg = strings.TrimSpace(fg)
 	bg = strings.TrimSpace(bg)
 
-	style := tcell.StyleDefault.Foreground(StringToColor(fg)).Background(StringToColor(bg))
+	style := defStyle.Foreground(StringToColor(fg)).Background(StringToColor(bg))
 	if strings.Contains(str, "bold") {
 		style = style.Bold(true)
 	}

cmd/micro/highlighter.go

@@ -140,6 +140,17 @@ func LoadSyntaxFiles() {
 func LoadSyntaxFilesFromDir(dir string) {
 	InitColorscheme()
 
+	// Default style
+	defStyle = tcell.StyleDefault.
+		Foreground(tcell.ColorDefault).
+		Background(tcell.ColorDefault)
+
+	// There may be another default style defined in the colorscheme
+	// In that case we should use that one
+	if style, ok := colorscheme["default"]; ok {
+		defStyle = style
+	}
+
 	syntaxFiles = make(map[[2]*regexp.Regexp]FileTypeRules)
 	files, _ := ioutil.ReadDir(dir)
 	for _, f := range files {
@@ -395,6 +406,9 @@ func Match(v *View) SyntaxMatches {
 
 	for i, line := range lines {
 		matches[i] = make([]tcell.Style, len(line)+1)
+		for j, _ := range matches[i] {
+			matches[i][j] = defStyle
+		}
 	}
 
 	// We don't actually check the entire buffer, just from synLinesUp to synLinesDown

cmd/micro/micro.go

@@ -163,17 +163,6 @@ func InitScreen() {
 		os.Setenv("TERM", oldTerm)
 	}
 
-	// Default style
-	defStyle = tcell.StyleDefault.
-		Foreground(tcell.ColorDefault).
-		Background(tcell.ColorDefault)
-
-	// There may be another default style defined in the colorscheme
-	// In that case we should use that one
-	if style, ok := colorscheme["default"]; ok {
-		defStyle = style
-	}
-
 	screen.SetStyle(defStyle)
 	screen.EnableMouse()
 }

cmd/micro/view.go

@@ -464,7 +464,7 @@ func (v *View) DisplayView() {
 	} else {
 		v.lineNumOffset = 0
 	}
-	var highlightStyle tcell.Style
+	highlightStyle := defStyle
 
 	var hasGutterMessages bool
 	for _, v := range v.messages {
@@ -495,7 +495,7 @@ func (v *View) DisplayView() {
 				for _, msg := range v.messages[k] {
 					if msg.lineNum == lineN+v.Topline {
 						msgOnLine = true
-						gutterStyle := tcell.StyleDefault
+						gutterStyle := defStyle
 						switch msg.kind {
 						case GutterInfo:
 							if style, ok := colorscheme["gutter-info"]; ok {
@@ -522,9 +522,9 @@ func (v *View) DisplayView() {
 				}
 			}
 			if !msgOnLine {
-				screen.SetContent(x, lineN+v.y, ' ', nil, tcell.StyleDefault)
+				screen.SetContent(x, lineN+v.y, ' ', nil, defStyle)
 				x++
-				screen.SetContent(x, lineN+v.y, ' ', nil, tcell.StyleDefault)
+				screen.SetContent(x, lineN+v.y, ' ', nil, defStyle)
 				x++
 				if v.Cursor.Y == lineN+v.Topline && messenger.gutterMessage {
 					messenger.Reset()
@@ -560,7 +560,7 @@ func (v *View) DisplayView() {
 		}
 		// Write the line
 		for colN, ch := range line {
-			var lineStyle tcell.Style
+			lineStyle := defStyle
 
 			if settings["syntax"].(bool) {
 				// Syntax highlighting is enabled
@@ -571,7 +571,7 @@ func (v *View) DisplayView() {
 				(charNum.GreaterEqual(v.Cursor.CurSelection[0]) && charNum.LessThan(v.Cursor.CurSelection[1]) ||
 					charNum.LessThan(v.Cursor.CurSelection[0]) && charNum.GreaterEqual(v.Cursor.CurSelection[1])) {
 
-				lineStyle = tcell.StyleDefault.Reverse(true)
+				lineStyle = defStyle.Reverse(true)
 
 				if style, ok := colorscheme["selection"]; ok {
 					lineStyle = style
@@ -596,7 +596,7 @@ func (v *View) DisplayView() {
 					(charNum.GreaterEqual(v.Cursor.CurSelection[0]) && charNum.LessThan(v.Cursor.CurSelection[1]) ||
 						charNum.LessThan(v.Cursor.CurSelection[0]) && charNum.GreaterEqual(v.Cursor.CurSelection[1])) {
 
-					lineIndentStyle = tcell.StyleDefault.Reverse(true)
+					lineIndentStyle = defStyle.Reverse(true)
 
 					if style, ok := colorscheme["selection"]; ok {
 						lineIndentStyle = style
@@ -657,7 +657,7 @@ func (v *View) DisplayView() {
 		charNum = charNum.Move(1, v.Buf)
 
 		for i := 0; i < v.width-(x-v.leftCol); i++ {
-			lineStyle := tcell.StyleDefault
+			lineStyle := defStyle
 			if settings["cursorline"].(bool) && !v.Cursor.HasSelection() && v.Cursor.Y == lineN+v.Topline {
 				if style, ok := colorscheme["cursor-line"]; ok {
 					fg, _, _ := style.Decompose()