triple press to exit call

client.py

@@ -76,6 +76,8 @@ class ChannelClient:
         self._ptt_active = False
         self._last_release_time = 0.0
         self._double_pressed = False
+        self._press_count = 0
+        self._triple_pressed = False
         if use_whisplay and _WHISPLAY_AVAILABLE and _HAS_PIL:
             try:
                 self._init_whisplay()
@@ -311,10 +313,10 @@ class ChannelClient:
             lines.append(ch["hash"][:16] + "..")
         if self._ptt_enabled:
             lines += ["", "PTT: hold to talk", "Release to mute"]
-            footer = "Double-press: toggle"
+            footer = "Dbl: toggle  Trip: leave"
         else:
             lines += ["", "Mic always-on", "Press to hang up"]
-            footer = "Double-press: toggle"
+            footer = "Dbl: toggle  Trip: leave"
         fb = self._render("In Call", lines, accent=(60, 220, 120), footer=footer)
         self.board.draw_image(0, 0, self.board.LCD_WIDTH, self.board.LCD_HEIGHT, fb)
 
@@ -328,7 +330,21 @@ class ChannelClient:
     def _on_button_press(self):
         self._press_time = time.time()
         if self.state == self.STATE_IN_CALL:
-            if time.time() - self._last_release_time < DOUBLE_PRESS_THRESHOLD:
+            gap = time.time() - self._last_release_time
+            if gap < DOUBLE_PRESS_THRESHOLD:
+                self._press_count += 1
+            else:
+                self._press_count = 1
+
+            if self._press_count >= 3:
+                self._press_count = 0
+                self._triple_pressed = True
+                self._double_pressed = False
+                self._ptt_active = False
+                self.telephone.hangup()
+                return
+
+            if self._press_count == 2:
                 self._double_pressed = True
                 self._ptt_enabled = not self._ptt_enabled
                 if self._ptt_enabled:
@@ -338,6 +354,7 @@ class ChannelClient:
                 if self.board:
                     self._show_in_call()
                 return
+
             if self._ptt_enabled:
                 self._ptt_active = True
                 self.telephone.unmute_transmit()
@@ -346,6 +363,9 @@ class ChannelClient:
 
     def _on_button_release(self):
         self._last_release_time = time.time()
+        if self._triple_pressed:
+            self._triple_pressed = False
+            return
         if self.state == self.STATE_IN_CALL:
             if self._double_pressed:
                 self._double_pressed = False
@@ -506,6 +526,8 @@ class ChannelClient:
         self.state = self.STATE_READY
         self._ptt_active = False
         self._double_pressed = False
+        self._triple_pressed = False
+        self._press_count = 0
         if was_in_call:
             print(f"\nCall ended")
         elif was_calling: