lightningpiggy: add settings screen

ThomasFarstrike · ThomasFarstrike · commit 5e27c2042904 · 2025-05-23T14:26:41.000+02:00
diff --git a/internal_filesystem/apps/com.lightningpiggy.displaywallet/assets/displaywallet.py b/internal_filesystem/apps/com.lightningpiggy.displaywallet/assets/displaywallet.py
@@ -1,5 +1,163 @@
 import time
 
+import mpos.config
+
+# screens:
+appscreen = lv.screen_active()
+settings_screen = None
+
+
+
+
+# Settings screen implementation
+class SettingsScreen(lv.obj):
+    def __init__(self):
+        super().__init__(None)
+        self.prefs = mpos.config.SharedPreferences("com.lightningpiggy.displaywallet")
+        self.settings = [
+            {"title": "Wallet Type", "key": "wallet_type", "value_label": None},
+            {"title": "LNBits URL", "key": "lnbits_url", "value_label": None},
+            {"title": "LNBits Read/Invoice Key", "key": "lnbits_readkey", "value_label": None},
+            {"title": "NWC URL", "key": "nwc_url", "value_label": None},
+        ]
+        self.keyboard = None  # Global reference for keyboard
+        self.textarea = None  # Global reference for textarea
+        self.msgbox = None    # Global reference for msgbox
+        self.create_ui()
+
+    def create_ui(self):
+        print("creating ui...")
+        self.set_size(lv.pct(100), lv.pct(100))
+        self.set_style_pad_all(10, 0)
+        self.set_flex_flow(lv.FLEX_FLOW.COLUMN)
+        self.set_style_border_width(0, 0)
+        
+        # Create settings entries
+        for setting in self.settings:
+            # Container for each setting
+            setting_cont = lv.obj(self)
+            setting_cont.set_width(lv.pct(100))
+            setting_cont.set_height(lv.SIZE_CONTENT)
+            setting_cont.set_style_border_width(1, 0)
+            setting_cont.set_style_border_color(lv.color_hex(0xCCCCCC), 0)
+            setting_cont.set_style_border_side(lv.BORDER_SIDE.BOTTOM, 0)
+            setting_cont.set_style_pad_all(8, 0)
+            setting_cont.add_flag(lv.obj.FLAG.CLICKABLE)
+
+            # Title label (bold, larger)
+            title = lv.label(setting_cont)
+            title.set_text(setting["title"])
+            title.set_style_text_font(lv.font_montserrat_16, 0)
+            title.set_style_text_color(lv.color_hex(0x000000), 0)
+            title.set_style_text_decor(lv.TEXT_DECOR.NONE, 0)
+            title.set_pos(0, 0)
+
+            # Value label (smaller, below title)
+            value = lv.label(setting_cont)
+            value.set_text(self.prefs.get_string(setting["key"], "Not set"))
+            value.set_style_text_font(lv.font_montserrat_12, 0)
+            value.set_style_text_color(lv.color_hex(0x666666), 0)
+            value.set_pos(0, 20)
+            setting["value_label"] = value  # Store reference for updating
+
+            # Add click event to open msgbox
+            setting_cont.add_event_cb(
+                lambda e, s=setting: self.open_edit_popup(s), lv.EVENT.CLICKED, None
+            )
+
+        # Initialize keyboard (hidden initially)
+        self.keyboard = lv.keyboard(lv.screen_active())
+        self.keyboard.set_size(lv.pct(100), lv.pct(40))
+        self.keyboard.align(lv.ALIGN.BOTTOM_MID, 0, 0)
+        self.keyboard.add_flag(lv.obj.FLAG.HIDDEN)
+        
+
+
+    def open_edit_popup(self, setting):
+        # Close existing msgbox and keyboard if open
+        if self.msgbox:
+            self.msgbox.delete()
+            self.msgbox = None
+        if self.keyboard:
+            self.keyboard.add_flag(lv.obj.FLAG.HIDDEN)
+
+        # Create msgbox
+        self.msgbox = lv.msgbox(self)
+        self.msgbox.add_title(setting["title"])
+        self.msgbox.set_width(lv.pct(80))
+        self.msgbox.center()
+
+        # Create content container
+        content = self.msgbox.get_content()
+        content.set_style_pad_all(10, 0)
+        content.set_flex_flow(lv.FLEX_FLOW.COLUMN)
+
+        # Textarea for editing
+        self.textarea = lv.textarea(content)
+        self.textarea.set_width(lv.pct(100))
+        self.textarea.set_height(lv.SIZE_CONTENT)
+        self.textarea.set_text(self.prefs.get_string(setting["key"], ""))
+        self.textarea.add_event_cb(self.textarea_cb, lv.EVENT.FOCUSED, None)
+        self.textarea.add_event_cb(self.textarea_cb, lv.EVENT.DEFOCUSED, None)
+
+        # Button container
+        btn_cont = lv.obj(content)
+        btn_cont.set_width(lv.pct(100))
+        btn_cont.set_height(lv.SIZE_CONTENT)
+        btn_cont.set_style_pad_all(5, 0)
+        btn_cont.set_flex_flow(lv.FLEX_FLOW.ROW)
+        btn_cont.set_style_flex_main_place(lv.FLEX_ALIGN.SPACE_BETWEEN, 0)
+
+        # Save button
+        save_btn = lv.button(btn_cont)
+        save_btn.set_size(lv.pct(45), lv.SIZE_CONTENT)
+        save_label = lv.label(save_btn)
+        save_label.set_text("Save")
+        save_label.center()
+        save_btn.add_event_cb(
+            lambda e, s=setting: self.save_setting(s), lv.EVENT.CLICKED, None
+        )
+
+        # Cancel button
+        cancel_btn = lv.button(btn_cont)
+        cancel_btn.set_size(lv.pct(45), lv.SIZE_CONTENT)
+        cancel_label = lv.label(cancel_btn)
+        cancel_label.set_text("Cancel")
+        cancel_label.center()
+        cancel_btn.add_event_cb(self.close_popup, lv.EVENT.CLICKED, None)
+
+    def textarea_cb(self, event):
+        code = event.get_code()
+        if code == lv.EVENT.FOCUSED:
+            self.keyboard.remove_flag(lv.obj.FLAG.HIDDEN)
+            self.keyboard.set_textarea(self.textarea)
+        elif code == lv.EVENT.DEFOCUSED:
+            self.keyboard.add_flag(lv.obj.FLAG.HIDDEN)
+
+    def save_setting(self, setting):
+        if self.textarea:
+            new_value = self.textarea.get_text()
+            editor = self.prefs.edit()
+            editor.put_string(setting["key"], new_value)
+            editor.commit()
+            setting["value_label"].set_text(new_value if new_value else "Not set")
+        self.close_popup(None)
+
+    def close_popup(self, event):
+        if self.msgbox:
+            self.msgbox.delete()
+            self.msgbox = None
+        if self.keyboard:
+            self.keyboard.add_flag(lv.obj.FLAG.HIDDEN)
+
+
+
+def settings_button_tap(event):
+    global settings_screen
+    if not settings_screen:
+        settings_screen = SettingsScreen()
+    lv.screen_load(settings_screen)
+
 def build_main_ui():
     appscreen.clean()
     balance_label = lv.label(appscreen)
@@ -14,14 +172,38 @@ def build_main_ui():
     balance_line = lv.line(appscreen)
     balance_line.set_points([{'x':0,'y':35},{'x':300,'y':35}],2)
     balance_line.add_style(style_line, 0)
+    settings_button = lv.button(appscreen)
+    settings_button.align(lv.ALIGN.BOTTOM_RIGHT, 0, 0)
+    snap_label = lv.label(settings_button)
+    snap_label.set_text(lv.SYMBOL.SETTINGS)
+    snap_label.center()
+    settings_button.add_event_cb(settings_button_tap,lv.EVENT.CLICKED,None)
+
 
 def janitor_cb(timer):
-    if lv.screen_active() != appscreen:
+    if lv.screen_active() != appscreen and lv.screen_active() != settings_screen:
         print("app backgrounded, cleaning up...")
         janitor.delete()
         # No cleanups to do, but in a real app, you might stop timers, deinitialize hardware devices you used, close network connections, etc.
 
-appscreen = lv.screen_active()
 janitor = lv.timer_create(janitor_cb, 1000, None)
 
 build_main_ui()
+
+config = mpos.config.SharedPreferences("com.lightningpiggy.displaywallet")
+
+wallet_type = config.get_string("wallet_type")
+if wallet_type == "lnbits":
+    try:
+        wallet = LNBitsWallet(config.get_string("lnbits_url"), config.get_string("lnbits_readkey"))
+    except Exception as e:
+        print("Couldn't initialize LNBitsWallet because {e}")
+elif wallet_type == "nwc":
+    try:
+        wallet = NWCWallet(config.get_string("nwc_url"))
+    except Exception as e:
+        print("Couldn't initialize NWCWallet because {e}")
+else:
+    print(f"No or unsupported wallet type configured: '{wallet_type}'")
+
+
