1+ '''A simple Notepad application implemented using PySimpleGUI.'''
2+ # pylint: disable=no-member
3+ # pylint: disable=invalid-name
4+ 5+ import wx
6+ import PySimpleGUI as sg
7+ 8+ # change the default theme.
9+ sg .theme ('dark grey 9' )
10+ 11+ WINDOW_WIDTH : int = 90
12+ WINDOW_HEIGHT : int = 25
13+ FILE_NAME : str = None
14+ DEFAULT_FONT_NAME : str = 'Times New Roman'
15+ 16+ def ShowFontDialog ():
17+ app = []
18+ app = wx .App (None )
19+ # app = Font()
20+ # app.MainLoop()
21+ dialog = wx .FontDialog (None , wx .FontData ())
22+ if dialog .ShowModal () == wx .ID_OK :
23+ data = dialog .GetFontData ()
24+ font = data .GetChosenFont ()
25+ font_info = font .GetNativeFontInfoUserDesc ()
26+ 27+ styles = [style for style in font_info .split (' ' )]
28+ underline = font .GetUnderlined ()
29+ colour = data .GetColour ()
30+ 31+ 32+ # string variables to shorten loop and menu code
33+ file_new : str = 'New (CTRL+N)'
34+ file_open : str = 'Open (CTRL+O)'
35+ file_save : str = 'Save (CTRL+S)'
36+ 37+ menu_layout : list = [['&File' , [file_new , file_open , file_save , 'Save As' , '__________________' , 'Exit' ]],
38+ ['&Statistics' , ['Word Count' , 'Character With Spaces' , 'Character Without Spaces' , ]],
39+ ['&Help' , ['About' ]]]
40+ 41+ layout : list = [[sg .Menu (menu_layout )],
42+ [sg .Text ('New File:' , font = (DEFAULT_FONT_NAME , 10 ), size = (WINDOW_WIDTH , 1 ), key = '-FILE_INFO-' )],
43+ [sg .Multiline (font = (DEFAULT_FONT_NAME , 12 , 'underline italic' ), size = (WINDOW_WIDTH , WINDOW_HEIGHT ), key = '-BODY-' )]]
44+ 45+ WINDOW = sg .Window ('Notepad' , layout = layout , margins = (0 , 0 ),
46+ resizable = True , return_keyboard_events = True )
47+ WINDOW .read (timeout = 1 )
48+ WINDOW .maximize ()
49+ WINDOW ['-BODY-' ].expand (expand_x = True , expand_y = True )
50+ 51+ def new_file () -> str :
52+ ''' Reset body and info bar, and clear FILE_NAME variable '''
53+ WINDOW ['-BODY-' ].update (value = '' )
54+ WINDOW ['-FILE_INFO-' ].update (value = 'New File:' )
55+ 56+ def open_file () -> str :
57+ ''' Open file and update the infobar '''
58+ try :
59+ file_name = sg .popup_get_file ('Open File' , no_window = True )
60+ except : # pylint: disable=bare-except
61+ return
62+ if file_name not in None , '' ) and not isinstance (file_name , tuple ):
63+ with open (file_name , 'r' ) as f :
64+ WINDOW ['-BODY-' ].update (value = f .read ())
65+ WINDOW ['-FILE_INFO-' ].update (value = file_name )
66+ return file_name
67+ 68+ def save_file (file_name : str ):
69+ ''' Save file instantly if already open; otherwise display `save-as` popup '''
70+ 71+ file_name = WINDOW ['-FILE_INFO-' ].DisplayText # pylint: disable=no-member # Get the filename if already saved in the same session.
72+ if file_name not in None , '' , 'New File:' ):
73+ with open (file_name , 'w' ) as f :
74+ f .write (VALUES .get ('-BODY-' ))
75+ WINDOW ['-FILE_INFO-' ].update (value = file_name )
76+ else :
77+ save_as ()
78+ 79+ def save_as () -> str :
80+ ''' Save new file or save existing file with another name '''
81+ try :
82+ file_name : str = sg .popup_get_file ('Save As' , save_as = True , no_window = True )
83+ except : # pylint: disable=bare-except
84+ return
85+ if file_name not in None , '' ) and not isinstance (FILE_NAME , tuple ):
86+ with open (file_name , 'w' ) as f :
87+ f .write (VALUES .get ('-BODY-' ))
88+ WINDOW ['-FILE_INFO-' ].update (value = file_name )
89+ return file_name
90+ 91+ def get_word_count ():
92+ ''' Get the estimated word count '''
93+ words : list = [word for word in VALUES ['-BODY-' ].split (' ' ) if word != '\n ' ]
94+ word_count : int = len (words )
95+ return word_count
96+ 97+ def character_count ():
98+ '''Get the total number of characters in the file.'''
99+ chars = len (VALUES ['-BODY-' ]) - 1
100+ return chars
101+ 102+ def characters_without_spaces ():
103+ '''Get the total number of characters in the file.'''
104+ 105+ chars_without_spaces : int = 0
106+ # total number of spaces is 1 less than the number of words.
107+ total_spaces : int = get_word_count () - 1
108+ 109+ if total_spaces == - 1 :
110+ chars_without_spaces = character_count ()
111+ else :
112+ chars_without_spaces = character_count () - total_spaces
113+ 114+ return chars_without_spaces
115+ 116+ def about ():
117+ '''About the application'''
118+ 119+ sg .PopupQuick ('A simple Notepad like application created using\
120+ PySimpleGUI framework.' , auto_close = False )
121+ 122+ while True :
123+ EVENT , VALUES = WINDOW .read ()
124+ 125+ if EVENT in (None , 'Exit' ):
126+ break
127+ if EVENT in (file_new , 'n:78' ):
128+ FILE_NAME = new_file ()
129+ if EVENT in (file_open , 'o:79' ):
130+ FILE_NAME = open_file ()
131+ if EVENT in (file_save , 's:83' ):
132+ save_file (FILE_NAME )
133+ if EVENT in ('Save As' ,):
134+ FILE_NAME = save_as ()
135+ if EVENT in ('Word Count' ,):
136+ WORDS = get_word_count ()
137+ sg .PopupQuick ('Word Count: {:,d}' .format (WORDS ), auto_close = False )
138+ if EVENT in ('Characters With Spaces' ,):
139+ TOTAL_CHARS = character_count ()
140+ sg .PopupQuick ('Characters With Spaces: {:,d}' .format (TOTAL_CHARS ), auto_close = False )
141+ if EVENT in ('Character Without Spaces' ,):
142+ CHAR_WITHOUT_SPACES = characters_without_spaces ()
143+ sg .PopupQuick ('Characters Without Spaces: {:,d}' .format (CHAR_WITHOUT_SPACES ), auto_close = False )
144+ if EVENT in ('About' ,):
145+ # about()
146+ ShowFontDialog ()
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