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Update 'CARDPUTER CircuitPython/projects/text_editor.py'

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almost a fully functional text editor aside from no line scrolling - can save files and open them. no error handling has been set for folders, i assume they will break the program ;P
This commit is contained in:
cube
2025-03-07 13:12:23 +00:00
parent dceb058f61
commit 48c3a79d3a
1 changed files with 67 additions and 26 deletions
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91
CARDPUTER CircuitPython/projects/text_editor.py
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@@ -1,12 +1,18 @@
# GUIDE
# type freely! CTRL+D clears the text.
# CTRL + S to Save
# CTRL + O to Open
# DESIGNED TO WORK WITH SD CARD !!!
# backspace, space, and return function as expected.
# keys not recognised WILL print "UNKNOWN 0x??", but this is useful for extra key scans
#
# WORK IN PROGRESS
# CTRL + S to save text to the SD Card
# CTRL + O to open a text file
# UP and DOWN scrolling - (use cursor )
# keys not recognised WILL print "UNKNOWN 0x??",
# unless PRINT_UNKNOWN_KEYS is set to False
# UP, DOWN, LEFT, RIGHT will print,
# unless PRINT_COMMAND_KEYS is set to False
# TODO:
# UP and DOWN scrolling
# look into folders in SD card
######
import board
@@ -19,6 +25,17 @@ import sdcardio
import storage
import os
def file_menu():
files_text = ""
index = 0
for file in os.listdir("/sd"):
filename = str(file)
if index == open_cursor:
filename = "> " + filename
files_text = files_text + filename+"\n"
index += 1
files_group.text = files_text
## SD Card set up for saving text to SD card
spi = busio.SPI(board.SD_SCK, MOSI=board.SD_MOSI, MISO=board.SD_MISO)
cs = board.SD_CS
@@ -36,6 +53,10 @@ except OSError:
keyb = Keyboard()
PRINT_UNKNOWN_KEYS = False
PRINT_COMMAND_KEYS = False
COMMAND_KEYS = ["UP", "DOWN", "LEFT", "RIGHT"]
page = "editor"
intro_text = "Press CTRL+D to clear text\n"+SD_status+"\n\n"
@@ -100,15 +121,7 @@ while True:
elif key == "CTRLO":
board.DISPLAY.root_group = open_group
page="open"
files_text = ""
index = 0
for file in os.listdir("/sd"):
filename = str(file)
if index == open_cursor:
filename = "> " + filename
files_text = files_text + filename+"\n"
index += 1
files_group.text = files_text
file_menu()
elif key == "ESC":
if page == "editor":
@@ -121,15 +134,20 @@ while True:
else:
## The actual editor
if page == "editor":
## WRAPPING
## calculate wrapping when entering a character
lines = text.split("\n")
current_line = lines[len(lines)-1]
if len(current_line) > 35:
text=text+"\n" # <- start a new line here
##############################################
text = text+key
text_area.text = text
if "UNKNOWN" in key and PRINT_UNKNOWN_KEYS == False:
pass
elif key in COMMAND_KEYS and PRINT_COMMAND_KEYS == False:
pass
else:
## WRAPPING
## calculate wrapping when entering a character
lines = text.split("\n")
current_line = lines[len(lines)-1]
if len(current_line) > 35:
text=text+"\n" # <- start a new line here
##############################################
text = text+key
text_area.text = text
## The save file menu - for typing the filename
elif page == "save":
@@ -150,4 +168,27 @@ while True:
## The open file menu - for selecting a file
elif page == "open":
pass
if key == "UP":
if open_cursor == 0:
pass
else:
open_cursor -= 1
file_menu()
elif key == "DOWN":
if open_cursor == len(os.listdir("/sd"))-1:
pass
else:
open_cursor += 1
file_menu()
elif key == "\n":
text = ""
fn = os.listdir("/sd")[open_cursor]
with open("/sd/"+fn, "r") as f:
lines = f.readlines()
for line in lines:
text = text + line
text_area.text = text
filename_text = fn
filename_group.text=filename_text
page = "editor"
board.DISPLAY.root_group = intro_text_area