# font_viewer_template.py

# font_viewer_template.py

from tkinter import *
from tkinter import font ### note: oddly, if this line is deleted... it will not work as is

clippy = Tk()
clippy.withdraw()

root=Tk()
root.geometry('1280x640+0+0')

fonts=list(font.families())
fonts.sort()

ffff=Listbox(root)
ffff.pack(fill=BOTH,expand=YES,side=LEFT)

scroll=Scrollbar(root)
scroll.pack(side=LEFT,fill=Y,expand=NO)

scroll.configure(command=ffff.yview)
ffff.configure(yscrollcommand=scroll.set)

test='''ABCDEFGHIJKLMNOPQRSTUVW...
abcdefghijklmnopqrstuvwxyz XYZ
0123456789
!?'#"$@()[]{~_^}*+,-.:;=<>%&/\`|'''+'\n'

abc='"My Black Quartz Sphinx, Judge Of Vows!"'

itSw=['',' italic']
bbSw=['',' bold']
family,ffSz='Arial',' 12'
current_font=[0]

view='You May Also View Your Choice Of Text Sample Above From The Entry Below...\t'
view+='**Shift+Z copies to clipboard...\t\t'

def save2clippy(null):
    sss = '__font = "'+current_font[0].strip()+'"'
    print('*** also copied to the clipboard -- press ctrl+v within a text entry to paste it')
    print(sss)
    clippy.clipboard_clear()
    clippy.clipboard_append(sss)

def setFont():
    update=(family,ffSz,'%s %s' % (itSw[0],bbSw[0]))
    current_font[0] = ' '.join([str(z) for z in update])
    label.config(font=update)

def resize(e):
    global ffSz
    ffSz=scale.get()
    setFont()

def setText(e):
    ttt=text.get(1.0, END)
    if len(ttt) < 2:
            ttt=abc
    label.config(text=test+ttt)

def familySw(e):
    global family
    family=ffff.get(ffff.curselection()[0])
    margin.config(text=view+family)
    setFont()

def italicSw():
    global itSw
    itSw=(itSw[1],itSw[0])
    setFont()

def boldSw():
    global bbSw
    bbSw=(bbSw[1],bbSw[0])
    setFont()

topFrame = LabelFrame(root,text="",height=560)
topFrame.pack(fill=X)
topFrame.pack_propagate(False)

label=Label(topFrame,text=test+abc,font=family+ffSz,padx=10,justify=LEFT,anchor='nw')
label.pack(fill=BOTH,expand=YES)
label.pack_propagate(False)

margin=Label(root,text=view+family,bg='yellow',width=240,anchor='nw',padx=10)
margin.pack()

SLstart,SLend = 6,100
SL=300

lf = LabelFrame(root,text="Font Size",width=360,height=58)
lf.pack(side=LEFT)
lf.pack_propagate(False)

scale = Scale(lf,from_=SLstart,to=SLend,orient=HORIZONTAL,length=SL,command=resize)
scale.set(12)
scale.pack(fill=X,expand=YES)

checkBold=Checkbutton(root,text="Bold",anchor='sw',command=boldSw)
checkBold.pack(side=LEFT,padx=10)

checkItalic=Checkbutton(root,text="Italic",anchor='sw',command=italicSw)
checkItalic.pack(side=LEFT,padx=10)

text=Text(root,font=(family,ffSz),width=480,height=3)
text.insert(END,abc)
text.pack(side=LEFT,padx=10,fill=Y)
text.bind(sequence='<KeyRelease>', func=setText)
ffff.bind(sequence='<<ListboxSelect>>', func=familySw)
root.bind('<Shift-KeyPress-Z>', save2clippy)

for item in fonts:
    ffff.insert(END,item)

root.mainloop()