Rebind Home and End to StartOfLine and EndOfLine

This commit changes the default keybindings for Home and End. It
also changes the InsertEnter action to InsertNewline (a better name)
although InsertEnter is still valid for backwards compatibility.

Closes #206

cmd/micro/actions.go

@@ -211,8 +211,8 @@ func (v *View) InsertSpace() bool {
 	return true
 }
 
-// InsertEnter inserts a newline plus possible some whitespace if autoindent is on
-func (v *View) InsertEnter() bool {
+// InsertNewline inserts a newline plus possible some whitespace if autoindent is on
+func (v *View) InsertNewline() bool {
 	// Insert a newline
 	if v.Cursor.HasSelection() {
 		v.Cursor.DeleteSelection()

cmd/micro/bindings.go

@@ -35,7 +35,7 @@ var bindingActions = map[string]func(*View) bool{
 	"DeleteWordLeft":      (*View).DeleteWordLeft,
 	"SelectToStartOfLine": (*View).SelectToStartOfLine,
 	"SelectToEndOfLine":   (*View).SelectToEndOfLine,
-	"InsertEnter":         (*View).InsertEnter,
+	"InsertNewline":       (*View).InsertNewline,
 	"InsertSpace":         (*View).InsertSpace,
 	"Backspace":           (*View).Backspace,
 	"Delete":              (*View).Delete,
@@ -76,6 +76,9 @@ var bindingActions = map[string]func(*View) bool{
 	"NextTab":             (*View).NextTab,
 	"NextSplit":           (*View).NextSplit,
 	"PreviousSplit":       (*View).PreviousSplit,
+
+	// This was changed to InsertNewline but I don't want to break backwards compatibility
+	"InsertEnter": (*View).InsertNewline,
 }
 
 var bindingKeys = map[string]tcell.Key{
@@ -363,7 +366,7 @@ func DefaultBindings() map[string]string {
 		"CtrlDown":       "CursorEnd",
 		"CtrlShiftUp":    "SelectToStart",
 		"CtrlShiftDown":  "SelectToEnd",
-		"Enter":          "InsertEnter",
+		"Enter":          "InsertNewline",
 		"Space":          "InsertSpace",
 		"Backspace":      "Backspace",
 		"Backspace2":     "Backspace",
@@ -387,8 +390,8 @@ func DefaultBindings() map[string]string {
 		"CtrlT":          "AddTab",
 		"CtrlRightSq":    "PreviousTab",
 		"CtrlBackslash":  "NextTab",
-		"Home":           "Start",
-		"End":            "End",
+		"Home":           "StartOfLine",
+		"End":            "EndOfLine",
 		"PageUp":         "CursorPageUp",
 		"PageDown":       "CursorPageDown",
 		"CtrlG":          "ToggleHelp",

runtime/help/help.md

@@ -43,13 +43,14 @@ you can rebind them to your liking.
 	"CtrlDown":       "CursorEnd",
 	"CtrlShiftUp":    "SelectToStart",
 	"CtrlShiftDown":  "SelectToEnd",
-	"Enter":          "InsertEnter",
+	"Enter":          "InsertNewline",
 	"Space":          "InsertSpace",
 	"Backspace":      "Backspace",
 	"Backspace2":     "Backspace",
 	"Alt-Backspace":  "DeleteWordLeft",
 	"Alt-Backspace2": "DeleteWordLeft",
-	"Tab":            "InsertTab",
+	"Tab":            "IndentSelection,InsertTab",
+	"Backtab":        "OutdentSelection",
 	"CtrlO":          "OpenFile",
 	"CtrlS":          "Save",
 	"CtrlF":          "Find",
@@ -63,11 +64,11 @@ you can rebind them to your liking.
 	"CtrlD":          "DuplicateLine",
 	"CtrlV":          "Paste",
 	"CtrlA":          "SelectAll",
-	"CtrlT":          "AddTab"
+	"CtrlT":          "AddTab",
 	"CtrlRightSq":    "PreviousTab",
 	"CtrlBackslash":  "NextTab",
-	"Home":           "Start",
-	"End":            "End",
+	"Home":           "StartOfLine",
+	"End":            "EndOfLine",
 	"PageUp":         "CursorPageUp",
 	"PageDown":       "CursorPageDown",
 	"CtrlG":          "ToggleHelp",
@@ -79,14 +80,14 @@ you can rebind them to your liking.
 	"CtrlQ":          "Quit",
 	"CtrlE":          "CommandMode",
 	"CtrlW":          "NextSplit",
-	
+
 	// Emacs-style keybindings
 	"Alt-f": "WordRight",
 	"Alt-b": "WordLeft",
 	"Alt-a": "StartOfLine",
 	"Alt-e": "EndOfLine",
 	"Alt-p": "CursorUp",
-	"Alt-n": "CursorDown"
+	"Alt-n": "CursorDown",
 }
 ```