adding repeater mode on mouse held down

src/core/widgets/key.py

@@ -4,6 +4,7 @@
 import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
+from gi.repository import GLib
 
 # Application imports
 
@@ -12,6 +13,7 @@ class Key(Gtk.Button or Gtk.ToggleButton):
     def __init__(self, primary = "NULL", secondary = "NULL", iscontrol=False):
         super(Key, self).__init__()
 
+        self.timer_id          = None
         self.iscontrol         = iscontrol
         self._primary_symbol   = primary
         self._secondary_symbol = secondary
@@ -28,10 +30,19 @@ class Key(Gtk.Button or Gtk.ToggleButton):
         event_system.subscribe("toggle_symbol_keys", self.toggle_symbol_keys)
 
     def setup_signals(self):
-        self.connect("released", self._do_type)
+        self.connect("button-press-event", self._do_press)
+        self.connect("button-release-event", self._do_release)
         self.connect("toggle-emoji-keys", self.toggle_emoji_keys)
 
-    def _do_type(self, widget = None):
+    def _do_press(self, widget = None, eve = None):
+        if self.timer_id:
+            GLib.source_remove(self.timer_id)
+            self.timer_id = None
+
+        self._do_type()
+        self.timer_id = GLib.timeout_add(200, self._do_type)
+
+    def _do_type(self, widget = None, eve = None):
         key = self.get_label().strip()
         if not self._is_emoji:
             typwriter.type(key)
@@ -41,13 +52,32 @@ class Key(Gtk.Button or Gtk.ToggleButton):
             typwriter.type('v')
             typwriter.isCtrlOn = False
 
+        return True
+
+    def _do_release(self, widget = None, eve = None):
+        if not self.timer_id: return
+        GLib.source_remove(self.timer_id)
+        self.timer_id = None
+
     def _do_press_special_key(self, widget = None):
+        self._do_type_special_key(widget)
+
+    def _do_press_special_key_repeater(self, widget = None, eve = None):
+        if self.timer_id:
+            GLib.source_remove(self.timer_id)
+            self.timer_id = None
+
+        self._do_type_special_key()
+        self.timer_id = GLib.timeout_add(200, self._do_type_special_key)
+
+    def _do_type_special_key(self, widget = None):
         key = self.get_label()
         if key in ["Ctrl", "Shift", "Alt"]:
             ctx = widget.get_style_context()
             ctx.remove_class("toggled_bttn") if ctx.has_class("toggled_bttn") else ctx.add_class("toggled_bttn")
 
         typwriter.press_special_keys(key)
+        return True
 
     def toggle_symbol_keys(self, widget = None, eve = None):
         if not self.iscontrol: