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# Module 'textwin'
# Text windows, a subclass of gwin
import stdwin
import gwin
from stdwinevents import *
def fixsize(w):
docwidth, docheight = w.text.getrect()[1]
winheight = w.getwinsize()[1]
if winheight > docheight: docheight = winheight
w.setdocsize(0, docheight)
fixeditmenu(w)
def cut(w, m, id):
s = w.text.getfocustext()
if s:
stdwin.setcutbuffer(0, s)
w.text.replace('')
fixsize(w)
def copy(w, m, id):
s = w.text.getfocustext()
if s:
stdwin.setcutbuffer(0, s)
fixeditmenu(w)
def paste(w, m, id):
w.text.replace(stdwin.getcutbuffer(0))
fixsize(w)
def addeditmenu(w):
m = w.editmenu = w.menucreate('Edit')
m.action = []
m.additem('Cut', 'X')
m.action.append(cut)
m.additem('Copy', 'C')
m.action.append(copy)
m.additem('Paste', 'V')
m.action.append(paste)
def fixeditmenu(w):
m = w.editmenu
f = w.text.getfocus()
can_copy = (f[0] < f[1])
m.enable(1, can_copy)
if not w.readonly:
m.enable(0, can_copy)
m.enable(2, (stdwin.getcutbuffer(0) <> ''))
def draw(w, area): # Draw method
w.text.draw(area)
def size(w, newsize): # Size method
w.text.move((0, 0), newsize)
fixsize(w)
def close(w): # Close method
del w.text # Break circular ref
gwin.close(w)
def char(w, c): # Char method
w.text.replace(c)
fixsize(w)
def backspace(w): # Backspace method
void = w.text.event(WE_COMMAND, w, WC_BACKSPACE)
fixsize(w)
def arrow(w, detail): # Arrow method
w.text.arrow(detail)
fixeditmenu(w)
def mdown(w, detail): # Mouse down method
void = w.text.event(WE_MOUSE_DOWN, w, detail)
fixeditmenu(w)
def mmove(w, detail): # Mouse move method
void = w.text.event(WE_MOUSE_MOVE, w, detail)
def mup(w, detail): # Mouse up method
void = w.text.event(WE_MOUSE_UP, w, detail)
fixeditmenu(w)
def activate(w): # Activate method
fixeditmenu(w)
def open(title, str): # Display a string in a window
w = gwin.open(title)
w.readonly = 0
w.text = w.textcreate((0, 0), w.getwinsize())
w.text.replace(str)
w.text.setfocus(0, 0)
addeditmenu(w)
fixsize(w)
w.draw = draw
w.size = size
w.close = close
w.mdown = mdown
w.mmove = mmove
w.mup = mup
w.char = char
w.backspace = backspace
w.arrow = arrow
w.activate = activate
return w
def open_readonly(title, str): # Same with char input disabled
w = open(title, str)
w.readonly = 1
w.char = w.backspace = gwin.nop
# Disable Cut and Paste menu item; leave Copy alone
w.editmenu.enable(0, 0)
w.editmenu.enable(2, 0)
return w
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