refactor: improve enum definitions

cursor.go

@@ -33,14 +33,14 @@ type CursorsState struct {
 	ForceVisible bool
 }
 
+type Cursor int
+
 const (
-	cursorNone = iota
+	cursorNone Cursor = iota
 	cursorDefault
 	cursorGrabbing
 )
 
-type Cursor int
-
 type CursorCache = map[Cursor]*gdk.Cursor
 
 func (cursor *CursorsState) init() {

jumpmarks.go

@@ -39,13 +39,13 @@ type JumpmarksCycle struct {
 	dontClear  bool
 }
 
+type JumpmarkCycleDirection int
+
 const (
-	cycleDirectionBackward = iota
+	cycleDirectionBackward JumpmarkCycleDirection = iota
 	cycleDirectionForward
 )
 
-type JumpmarkCycleDirection int
-
 func (jumpmarks Jumpmarks) has(page int) bool {
 	for _, mark := range jumpmarks.list {
 		// ASSUMPTION: The slice is sorted

notification.go

@@ -31,7 +31,7 @@ var (
 type NotificationLength = int
 
 const (
-	ShortNotification = iota
+	ShortNotification NotificationLength = iota
 	LongNotification
 )