Completed rewrite

src/core/widgets/key.py

@@ -0,0 +1,46 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+class Key(Gtk.Button):
+    def __init__(self, primary = "NULL", secondary = "NULL"):
+        super(Key, self).__init__()
+
+        self._primary_symbol   = primary
+        self._secondary_symbol = secondary
+        self._is_upper         = False
+        self._is_symbol        = False
+
+        self.set_label(self._primary_symbol)
+        self.setup_signals()
+
+
+    def setup_signals(self):
+        self.connect("released", self._do_type)
+        self.connect("toggle-caps", self.toggle_caps)
+        self.connect("toggle-symbol-keys", self.toggle_symbol_keys)
+
+    def _do_type(self, widget = None):
+        key = self.get_label().strip()
+        typwriter.type(key)
+
+    def _do_press_special_key(self, widget = None):
+        typwriter.press_special_keys(self.get_label())
+
+    def toggle_symbol_keys(self, widget = None, eve = None):
+        self._is_symbol = not self._is_symbol
+        if self._is_symbol:
+            self.set_label(self._secondary_symbol)
+        else:
+            self.set_label(self._primary_symbol.upper()) if self._is_upper else self.set_label(self._primary_symbol.lower())
+
+    def toggle_caps(self, widget = None, eve = None):
+        self._is_upper = not self._is_upper
+        if not self._is_symbol:
+            self.set_label(self._primary_symbol.upper()) if self._is_upper else self.set_label(self._primary_symbol.lower())