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Save and restore display brightness setting

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This commit is contained in:
Thomas Farstrike
2025-06-17 11:08:52 +02:00
parent 2ed83f8490
commit 0ff2ff256f
1 changed files with 20 additions and 7 deletions
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internal_filesystem/lib/mpos/ui/__init__.py
+20 -7
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@@ -264,19 +264,32 @@ def create_drawer(display=None):
drawer.add_event_cb(drawer_swipe_cb, lv.EVENT.PRESSED, None)
drawer.add_event_cb(drawer_swipe_cb, lv.EVENT.RELEASED, None)
slider_label=lv.label(drawer)
slider_label.set_text(f"Brightness: {100}%") # should be restored this from configuration by settings manager
prefs = mpos.config.SharedPreferences("com.micropythonos.settings")
brightness_int = prefs.get_int("display_brightness", 100)
if display:
display.set_backlight(brightness_int)
slider_label.set_text(f"Brightness: {brightness_int}%")
slider_label.align(lv.ALIGN.TOP_MID,0,lv.pct(4))
slider=lv.slider(drawer)
slider.set_range(1,100)
slider.set_value(100,False)
slider.set_value(int(brightness_int),False)
slider.set_width(lv.pct(80))
slider.align_to(slider_label,lv.ALIGN.OUT_BOTTOM_MID,0,10)
def slider_event(e):
value=slider.get_value()
slider_label.set_text(f"Brightness: {value}%")
def brightness_slider_changed(e):
brightness_int = slider.get_value()
slider_label.set_text(f"Brightness: {brightness_int}%")
if display:
display.set_backlight(value)
slider.add_event_cb(slider_event,lv.EVENT.VALUE_CHANGED,None)
display.set_backlight(brightness_int)
def brightness_slider_released(e):
brightness_int = slider.get_value()
prefs = mpos.config.SharedPreferences("com.micropythonos.settings")
old_brightness_int = prefs.get_int("display_brightness")
if old_brightness_int != brightness_int:
editor = prefs.edit()
editor.put_int("display_brightness", brightness_int)
editor.commit()
slider.add_event_cb(brightness_slider_changed,lv.EVENT.VALUE_CHANGED,None)
slider.add_event_cb(brightness_slider_released,lv.EVENT.RELEASED,None)
wifi_btn=lv.button(drawer)
wifi_btn.set_size(lv.pct(40),lv.pct(20))
wifi_btn.align(lv.ALIGN.LEFT_MID,0,0)