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Small 'quality of life' improvements for qrgen app #81

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merged 3 commits into from
Jun 19, 2024
Merged

Small 'quality of life' improvements for qrgen app #81

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41105ee
qrgen: loop entries on Up/Down presses
hrw May 9, 2024
7d54118
qrgen: handle 'list out of range' situation
hrw May 9, 2024
22d1ff8
qrgen: sort by file names
hrw May 10, 2024
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16 changes: 13 additions & 3 deletions badger_os/examples/qrgen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@

# Load all available QR Code Files
try:
CODES = [f for f in os.listdir("/qrcodes") if f.endswith(".txt")]
CODES = sorted([f for f in os.listdir("/qrcodes") if f.endswith(".txt")])
TOTAL_CODES = len(CODES)
except OSError:
pass
Expand Down Expand Up @@ -121,6 +121,11 @@ def draw_qr_file(n):


badger_os.state_load("qrcodes", state)

# When we removed some files code may try to display not existing entry
if state["current_qr"] > TOTAL_CODES - 1:
state["current_qr"] = 0

changed = True

while True:
Expand All @@ -133,11 +138,16 @@ def draw_qr_file(n):
if state["current_qr"] > 0:
state["current_qr"] -= 1
changed = True
else:
state["current_qr"] = TOTAL_CODES - 1
changed = True

if display.pressed(badger2040.BUTTON_DOWN):
elif display.pressed(badger2040.BUTTON_DOWN):
if state["current_qr"] < TOTAL_CODES - 1:
state["current_qr"] += 1
changed = True
else:
state["current_qr"] = 0
changed = True

if display.pressed(badger2040.BUTTON_B) or display.pressed(badger2040.BUTTON_C):
display.set_pen(15)
Expand Down