Wifi app: simplify keyboard handling code

internal_filesystem/apps/com.micropythonos.camera/assets/camera_settings.py

@@ -1,5 +1,4 @@
 import lvgl as lv
-from mpos.ui.keyboard import MposKeyboard
 
 import mpos.ui
 from mpos.apps import Activity
@@ -233,22 +232,14 @@ class CameraSettingsActivity(Activity):
         textarea.align(lv.ALIGN.TOP_RIGHT, 0, 0)
 
         # Initialize keyboard (hidden initially)
+        from mpos.ui.keyboard import MposKeyboard
         keyboard = MposKeyboard(parent)
         keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
         keyboard.add_flag(lv.obj.FLAG.HIDDEN)
         keyboard.set_textarea(textarea)
-        keyboard.add_event_cb(lambda e, kbd=keyboard: self.hide_keyboard(kbd), lv.EVENT.READY, None)
-        keyboard.add_event_cb(lambda e, kbd=keyboard: self.hide_keyboard(kbd), lv.EVENT.CANCEL, None)
-        textarea.add_event_cb(lambda e, kbd=keyboard: self.show_keyboard(kbd), lv.EVENT.CLICKED, None)
 
         return textarea, cont
 
-    def show_keyboard(self, kbd):
-        mpos.ui.anim.smooth_show(kbd)
-
-    def hide_keyboard(self, kbd):
-        mpos.ui.anim.smooth_hide(kbd)
-
     def add_buttons(self, parent):
         # Save/Cancel buttons at bottom
         button_cont = lv.obj(parent)

internal_filesystem/builtin/apps/com.micropythonos.wifi/assets/wifi.py

@@ -237,7 +237,6 @@ class PasswordPage(Activity):
         self.password_ta.set_width(lv.pct(90))
         self.password_ta.set_one_line(True)
         self.password_ta.align_to(label, lv.ALIGN.OUT_BOTTOM_MID, 0, 5)
-        self.password_ta.add_event_cb(lambda *args: self.show_keyboard(), lv.EVENT.CLICKED, None)
         print("PasswordPage: Creating Connect button")
         self.connect_button=lv.button(password_page)
         self.connect_button.set_size(100,40)
@@ -262,16 +261,10 @@ class PasswordPage(Activity):
         self.keyboard=MposKeyboard(password_page)
         self.keyboard.align(lv.ALIGN.BOTTOM_MID,0,0)
         self.keyboard.set_textarea(self.password_ta)
-        self.keyboard.add_event_cb(lambda *args: self.hide_keyboard(), lv.EVENT.READY, None)
-        self.keyboard.add_event_cb(lambda *args: self.hide_keyboard(), lv.EVENT.CANCEL, None)
         self.keyboard.add_flag(lv.obj.FLAG.HIDDEN)
-        self.keyboard.add_event_cb(self.handle_keyboard_events, lv.EVENT.VALUE_CHANGED, None)
         print("PasswordPage: Loading password page")
         self.setContentView(password_page)
 
-    def onStop(self, screen):
-        self.hide_keyboard()
-
     def connect_cb(self, event):
         global access_points
         print("connect_cb: Connect button clicked")
@@ -290,28 +283,6 @@ class PasswordPage(Activity):
         print("cancel_cb: Cancel button clicked")
         self.finish()
 
-    def show_keyboard(self):
-        self.connect_button.add_flag(lv.obj.FLAG.HIDDEN)
-        self.cancel_button.add_flag(lv.obj.FLAG.HIDDEN)
-        mpos.ui.anim.smooth_show(self.keyboard)
-        focusgroup = lv.group_get_default()
-        if focusgroup:
-            focusgroup.focus_next() # move the focus to the keyboard to save the user a "next" button press (optional but nice)
-
-    def hide_keyboard(self):
-        mpos.ui.anim.smooth_hide(self.keyboard)
-        self.connect_button.remove_flag(lv.obj.FLAG.HIDDEN)
-        self.cancel_button.remove_flag(lv.obj.FLAG.HIDDEN)
-
-    def handle_keyboard_events(self, event):
-        target_obj=event.get_target_obj() # keyboard
-        button = target_obj.get_selected_button()
-        text = target_obj.get_button_text(button)
-        #print(f"button {button} and text {text}")
-        if text == lv.SYMBOL.NEW_LINE:
-            print("Newline pressed, closing the keyboard...")
-            self.hide_keyboard()
-
     @staticmethod
     def setPassword(ssid, password):
         global access_points

internal_filesystem/lib/mpos/ui/keyboard.py

@@ -125,8 +125,13 @@ class MposKeyboard:
         self._keyboard.set_style_min_height(175, 0)
 
     def _handle_events(self, event):
-        # Only process VALUE_CHANGED events for actual typing
-        if event.get_code() != lv.EVENT.VALUE_CHANGED:
+        code = event.get_code()
+        #print(f"keyboard event code = {code}")
+        if code == lv.EVENT.READY or code == lv.EVENT.CANCEL:
+            self.hide_keyboard()
+            return
+        # Process VALUE_CHANGED events for actual typing
+        if code != lv.EVENT.VALUE_CHANGED:
             return
 
         # Get the pressed button and its text
@@ -207,6 +212,7 @@ class MposKeyboard:
         self._textarea = textarea
         # NOTE: We deliberately DO NOT call self._keyboard.set_textarea()
         # to avoid LVGL's automatic character insertion
+        self._textarea.add_event_cb(lambda *args: self.show_keyboard(), lv.EVENT.CLICKED, None)
 
     def get_textarea(self):
         """
@@ -243,3 +249,9 @@ class MposKeyboard:
         """
         # Forward to the underlying keyboard object
         return getattr(self._keyboard, name)
+
+    def show_keyboard(self):
+        mpos.ui.anim.smooth_show(self._keyboard)
+
+    def hide_keyboard(self):
+        mpos.ui.anim.smooth_hide(self._keyboard)