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