Fix selection bugs

cmd/micro/bindings.go

@@ -364,22 +364,30 @@ func (v *View) SelectDown() bool {
 // SelectLeft selects the character to the left of the cursor
 func (v *View) SelectLeft() bool {
 	loc := v.cursor.Loc()
+	count := Count(v.buf.text) - 1
+	if loc > count {
+		loc = count
+	}
 	if !v.cursor.HasSelection() {
 		v.cursor.origSelection[0] = loc
 	}
-	v.cursor.SelectTo(loc - 1)
 	v.cursor.Left()
+	v.cursor.SelectTo(v.cursor.Loc())
 	return true
 }
 
 // SelectRight selects the character to the right of the cursor
 func (v *View) SelectRight() bool {
 	loc := v.cursor.Loc()
+	count := Count(v.buf.text) - 1
+	if loc > count {
+		loc = count
+	}
 	if !v.cursor.HasSelection() {
 		v.cursor.origSelection[0] = loc
 	}
-	v.cursor.SelectTo(loc + 1)
 	v.cursor.Right()
+	v.cursor.SelectTo(v.cursor.Loc())
 	return true
 }
 

cmd/micro/cursor.go

@@ -219,9 +219,15 @@ func (c *Cursor) SelectTo(loc int) {
 func (c *Cursor) WordRight() {
 	c.Right()
 	for IsWhitespace(c.RuneUnder(c.x)) {
+		if c.x == Count(c.v.buf.lines[c.y]) {
+			return
+		}
 		c.Right()
 	}
 	for !IsWhitespace(c.RuneUnder(c.x)) {
+		if c.x == Count(c.v.buf.lines[c.y]) {
+			return
+		}
 		c.Right()
 	}
 }
@@ -230,9 +236,15 @@ func (c *Cursor) WordRight() {
 func (c *Cursor) WordLeft() {
 	c.Left()
 	for IsWhitespace(c.RuneUnder(c.x)) {
+		if c.x == 0 {
+			return
+		}
 		c.Left()
 	}
 	for !IsWhitespace(c.RuneUnder(c.x)) {
+		if c.x == 0 {
+			return
+		}
 		c.Left()
 	}
 	c.Right()

runtime/colorschemes/solarized.micro

@@ -12,3 +12,4 @@ color-link statusline "black,brightblue"
 color-link line-number "brightgreen,black"
 color-link gutter-error "black,brightred"
 color-link gutter-warning "brightred,default"
+color-link selection ",black"