Add draft_code

draft_code/keyboard_test_ai.py

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+import lcd_bus
+import lvgl as lv
+import sdl_display
+import task_handler
+import sys
+sys.path.append('lib/')
+import mpos.ui
+import sdl_pointer
+import sdl_keyboard
+
+# Display resolution
+TFT_HOR_RES = 320
+TFT_VER_RES = 240
+
+# Initialize display
+bus = lcd_bus.SDLBus(flags=0)
+buf1 = bus.allocate_framebuffer(TFT_HOR_RES * TFT_VER_RES * 2, 0)
+display = sdl_display.SDLDisplay(
+    data_bus=bus,
+    display_width=TFT_HOR_RES,
+    display_height=TFT_VER_RES,
+    frame_buffer1=buf1,
+    color_space=lv.COLOR_FORMAT.RGB565
+)
+display.init()
+
+# Initialize mouse
+mouse = sdl_pointer.SDLPointer()
+
+# Initialize keyboard
+keyboard = sdl_keyboard.SDLKeyboard()
+
+# Create group for input devices
+group = lv.group_create()
+keyboard.set_group(group)
+
+
+# Create textarea
+screen = lv.screen_active()
+ta = lv.textarea(screen)
+ta.set_one_line(True)
+ta.align(lv.ALIGN.TOP_LEFT, 0, 0)
+ta.set_placeholder_text("Type here")
+group.add_obj(ta)
+
+# Optional: Debug event callback for textarea
+def ta_event_cb(event):
+    event_code = event.get_code()
+    name = mpos.ui.get_event_name(event_code)
+    print(f"Textarea event: code={event_code}, name={name}")
+
+ta.add_event_cb(ta_event_cb, lv.EVENT.ALL, None)
+
+# Optional: Create an on-screen keyboard
+keyboard_widget = lv.keyboard(screen)
+keyboard_widget.set_textarea(ta)
+keyboard_widget.add_flag(lv.obj.FLAG.HIDDEN)
+
+def ta_focus_cb(event):
+    event_code = event.get_code()
+    if event_code == lv.EVENT.FOCUSED:
+        keyboard_widget.clear_flag(lv.obj.FLAG.HIDDEN)
+    elif event_code == lv.EVENT.DEFOCUSED:
+        keyboard_widget.add_flag(lv.obj.FLAG.HIDDEN)
+
+ta.add_event_cb(ta_focus_cb, lv.EVENT.FOCUSED | lv.EVENT.DEFOCUSED, None)
+
+# Task handler
+th = task_handler.TaskHandler(duration=5)  # 5ms for desktop