fix views channels: Index

ui/views/channels.go

@@ -20,14 +20,15 @@ const (
 )
 
 type Channels struct {
-	index    int
 	columns  *gocui.View
 	view     *gocui.View
 	channels *models.Channels
 }
 
 func (c Channels) Index() int {
-	return c.index
+	_, oy := c.view.Origin()
+	_, cy := c.view.Cursor()
+	return cy + oy
 }
 
 func (c Channels) Name() string {
@@ -40,17 +41,10 @@ func (c *Channels) Wrap(v *gocui.View) view {
 }
 
 func (c *Channels) CursorDown() error {
-	if c.channels.Len() <= c.index+1 {
-		return nil
-	}
-	c.index++
 	return cursorDown(c.view, 1)
 }
 
 func (c *Channels) CursorUp() error {
-	if c.index > 0 {
-		c.index--
-	}
 	return cursorUp(c.view, 1)
 }