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Code Issues Packages Projects Releases Wiki Activity

About app: make labels focusable to allow scroll on devices without touch screen

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This commit is contained in:
Thomas Farstrike
2026-02-27 17:22:19 +01:00
parent 3459440a59
commit eb1d7fbe24
1 changed files with 47 additions and 29 deletions
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internal_filesystem/builtin/apps/com.micropythonos.about/assets/about.py
+47 -29
View File
@@ -8,35 +8,6 @@ class About(Activity):
logger = logging.getLogger(__file__)
logger.setLevel(logging.INFO)
def _add_label(self, parent, text, is_header=False, margin_top=DisplayMetrics.pct_of_height(5)):
"""Helper to create and add a label with text."""
label = lv.label(parent)
label.set_text(text)
if is_header:
primary_color = lv.theme_get_color_primary(None)
label.set_style_text_color(primary_color, lv.PART.MAIN)
label.set_style_text_font(lv.font_montserrat_14, lv.PART.MAIN)
label.set_style_margin_top(margin_top, lv.PART.MAIN)
label.set_style_margin_bottom(DisplayMetrics.pct_of_height(2), lv.PART.MAIN)
else:
label.set_style_text_font(lv.font_montserrat_12, lv.PART.MAIN)
label.set_style_margin_bottom(2, lv.PART.MAIN)
return label
def _add_disk_info(self, screen, path):
"""Helper to add disk usage info for a given path."""
import os
try:
stat = os.statvfs(path)
total_space = stat[0] * stat[2]
free_space = stat[0] * stat[3]
used_space = total_space - free_space
self._add_label(screen, f"Total space {path}: {total_space} bytes")
self._add_label(screen, f"Free space {path}: {free_space} bytes")
self._add_label(screen, f"Used space {path}: {used_space} bytes")
except Exception as e:
self.logger.warning(f"About app could not get info on {path} filesystem: {e}")
def onCreate(self):
screen = lv.obj()
screen.set_style_border_width(0, lv.PART.MAIN)
@@ -183,3 +154,50 @@ class About(Activity):
self._add_disk_info(screen, '/sdcard')
self.setContentView(screen)
@staticmethod
def _focus_obj(event):
target = event.get_target_obj()
target.set_style_border_color(lv.theme_get_color_primary(None),lv.PART.MAIN)
target.set_style_border_width(1, lv.PART.MAIN)
target.scroll_to_view(True)
@staticmethod
def _defocus_obj(event):
target = event.get_target_obj()
target.set_style_border_width(0, lv.PART.MAIN)
def _add_label(self, parent, text, is_header=False, margin_top=DisplayMetrics.pct_of_height(5)):
"""Helper to create and add a label with text."""
label = lv.label(parent)
label.set_text(text)
# Make labels focusable to allow scroll on devices without touch screen
label.add_event_cb(self._focus_obj, lv.EVENT.FOCUSED, None)
label.add_event_cb(self._defocus_obj, lv.EVENT.DEFOCUSED, None)
focusgroup = lv.group_get_default()
if focusgroup:
focusgroup.add_obj(label)
if is_header:
primary_color = lv.theme_get_color_primary(None)
label.set_style_text_color(primary_color, lv.PART.MAIN)
label.set_style_text_font(lv.font_montserrat_14, lv.PART.MAIN)
label.set_style_margin_top(margin_top, lv.PART.MAIN)
label.set_style_margin_bottom(DisplayMetrics.pct_of_height(2), lv.PART.MAIN)
else:
label.set_style_text_font(lv.font_montserrat_12, lv.PART.MAIN)
label.set_style_margin_bottom(2, lv.PART.MAIN)
return label
def _add_disk_info(self, screen, path):
"""Helper to add disk usage info for a given path."""
import os
try:
stat = os.statvfs(path)
total_space = stat[0] * stat[2]
free_space = stat[0] * stat[3]
used_space = total_space - free_space
self._add_label(screen, f"Total space {path}: {total_space} bytes")
self._add_label(screen, f"Free space {path}: {free_space} bytes")
self._add_label(screen, f"Used space {path}: {used_space} bytes")
except Exception as e:
self.logger.warning(f"About app could not get info on {path} filesystem: {e}")