lib/m5ui: Add LVGL Message Box widget.

Signed-off-by: [email protected] <[email protected]>

Author: Tinyu-Zhao

m5stack/libs/m5ui/__init__.py

@@ -18,6 +18,7 @@
     "M5Label": "label",
     "M5Line": "line",
     "M5List": "list",
+    "M5Msgbox": "msgbox",
     "M5Page": "page",
     "M5Roller": "roller",
     "M5Scale": "scale",

m5stack/libs/m5ui/manifest.py

@@ -20,6 +20,7 @@
         "label.py",
         "line.py",
         "list.py",
+        "msgbox.py",
         "page.py",
         "port.py",
         "roller.py",

m5stack/libs/m5ui/msgbox.py

@@ -0,0 +1,96 @@
+# SPDX-FileCopyrightText: 2025 M5Stack Technology CO LTD
+#
+# SPDX-License-Identifier: MIT
+
+from m5ui.base import M5Base
+import lvgl as lv
+import m5ui
+
+
+class M5Msgbox(lv.msgbox):
+    def __init__(
+        self,
+        title="",
+        x=0,
+        y=0,
+        w=0,
+        h=0,
+        parent=None,
+    ):
+        if parent is None:
+            parent = lv.screen_active()
+        super().__init__(parent)
+        self.set_align(lv.ALIGN.DEFAULT)
+        self.add_title(title)
+        self.set_pos(x, y)
+        self.set_size(w, h)
+
+    def add_text(
+        self,
+        text,
+        text_c=0x212121,
+        text_opa=255,
+        bg_c=0xFFFFFF,
+        bg_opa=255,
+        font=lv.font_montserrat_14,
+    ):
+        _label = m5ui.M5Label(
+            text=text,
+            text_c=text_c,
+            bg_c=bg_c,
+            bg_opa=bg_opa,
+            font=font,
+            parent=self.get_content(),
+        )
+        _label.set_width(lv.pct(100))
+        _label.set_style_text_opa(text_opa, lv.PART.MAIN | lv.STATE.DEFAULT)
+        return _label
+
+    def add_button(
+        self,
+        icon=None,
+        text="",
+        bg_c=0x2196F3,
+        bg_opa=255,
+        text_c=0xFFFFFF,
+        text_opa=255,
+        font=lv.font_montserrat_14,
+        option="footer",
+    ):
+        _parent = None
+        _w = 0
+        _h = 0
+        if option == "header":
+            _parent = self.get_header()
+            if _parent is None:
+                self.add_title("")
+                _parent = self.get_header()
+            _w = lv.DPI_DEF // 3
+            _h = lv.pct(100)
+        elif option == "footer":
+            _parent = self.get_footer()
+            if _parent is None:
+                _tmp_btn = self.add_footer_button("")
+                _parent = self.get_footer()
+                _tmp_btn.delete()
+            _w = lv.SIZE_CONTENT
+            _h = lv.pct(100)
+        _button = m5ui.M5Button(
+            text=text, w=_w, h=_h, bg_c=bg_c, text_c=text_c, font=font, parent=_parent
+        )
+        _button.set_style_bg_opa(bg_opa, lv.PART.MAIN | lv.STATE.DEFAULT)
+        _button.set_style_text_opa(text_opa, lv.PART.MAIN | lv.STATE.DEFAULT)
+
+        if icon is not None:
+            _icon = lv.image(_button)
+            _icon.set_src(icon)
+            _icon.set_align(lv.ALIGN.CENTER)
+        return _button
+
+    def __getattr__(self, name):
+        if hasattr(M5Base, name):
+            method = getattr(M5Base, name)
+            bound_method = lambda *args, **kwargs: method(self, *args, **kwargs)
+            setattr(self, name, bound_method)
+            return bound_method
+        raise AttributeError(f"'{self.__class__.__name__}' object has no attribute '{name}'")