io/key: add support for the Tab and Space keys

Fixes gio#62

Signed-off-by: Elias Naur <mail@eliasnaur.com>

app/internal/window/os_js.go

@@ -419,6 +419,10 @@ func translateKey(k string) (string, bool) {
 		n = key.NamePageUp
 	case "PageDown":
 		n = key.NamePageDown
+	case "Tab":
+		n = key.NameTab
+	case " ":
+		n = "Space"
 	case "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "F11", "F12":
 		n = k
 	default:

app/internal/window/os_macos.go

@@ -346,6 +346,10 @@ func convertKey(k rune) (string, bool) {
 		n = "F11"
 	case C.NSF12FunctionKey:
 		n = "F12"
+	case 0x09:
+		n = key.NameTab
+	case 0x20:
+		n = "Space"
 	default:
 		return "", false
 	}

app/internal/window/os_windows.go

@@ -110,6 +110,8 @@ const (
 	_VK_PRIOR  = 0x21
 	_VK_RIGHT  = 0x27
 	_VK_RETURN = 0x0d
+	_VK_SPACE  = 0x20
+	_VK_TAB    = 0x09
 	_VK_UP     = 0x26
 
 	_VK_F1  = 0x70
@@ -524,6 +526,10 @@ func convertKeyCode(code uintptr) (string, bool) {
 		r = "F11"
 	case _VK_F12:
 		r = "F12"
+	case _VK_TAB:
+		r = key.NameTab
+	case _VK_SPACE:
+		r = "Space"
 	default:
 		return "", false
 	}

app/internal/window/os_x11.go

@@ -402,6 +402,10 @@ func x11SpecialKeySymToRune(s C.KeySym) (string, bool) {
 		n = "F11"
 	case C.XK_F12:
 		n = "F12"
+	case C.XK_Tab:
+		n = key.NameTab
+	case 0x20, C.XK_KP_Space:
+		n = "Space"
 	default:
 		return "", false
 	}

app/internal/xkb/xkb_unix.go

@@ -249,6 +249,10 @@ func convertKeysym(s C.xkb_keysym_t) (string, bool) {
 		n = "F11"
 	case C.XKB_KEY_F12:
 		n = "F12"
+	case C.XKB_KEY_Tab, C.XKB_KEY_KP_Tab:
+		n = key.NameTab
+	case 0x20, C.XKB_KEY_KP_Space:
+		n = "Space"
 	default:
 		return "", false
 	}

io/key/key.go

@@ -87,6 +87,7 @@ const (
 	NameDeleteForward  = "⌦"
 	NamePageUp         = "⇞"
 	NamePageDown       = "⇟"
+	NameTab            = "⇥"
 )
 
 // Contain reports whether m contains all modifiers