mirror of https://github.com/python/cpython.git
520 lines
15 KiB
Python
520 lines
15 KiB
Python
import sys
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import os
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import string
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import imp
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from Tkinter import *
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import tkSimpleDialog
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import tkMessageBox
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import idlever
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# File menu
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#$ event <<open-module>>
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#$ win <Alt-m>
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#$ unix <Control-x><Control-m>
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#$ event <<open-class-browser>>
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#$ win <Alt-c>
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#$ unix <Control-x><Control-b>
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#$ event <<close-window>>
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#$ unix <Control-x><Control-0>
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#$ unix <Control-x><Key-0>
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#$ win <Alt-F4>
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# Edit menu
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#$ event <<Copy>>
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#$ win <Control-c>
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#$ unix <Alt-w>
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#$ event <<Cut>>
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#$ win <Control-x>
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#$ unix <Control-w>
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#$ event <<Paste>>
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#$ win <Control-v>
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#$ unix <Control-y>
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#$ event <<select-all>>
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#$ win <Alt-a>
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#$ unix <Alt-a>
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# Help menu
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#$ event <<help>>
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#$ win <F1>
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#$ unix <F1>
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#$ event <<about-idle>>
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# Events without menu entries
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#$ event <<remove-selection>>
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#$ win <Escape>
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#$ event <<center-insert>>
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#$ win <Control-l>
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#$ unix <Control-l>
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#$ event <<do-nothing>>
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#$ unix <Control-x>
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about_title = "About IDLE"
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about_text = """\
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IDLE %s
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An Integrated DeveLopment Environment for Python
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by Guido van Rossum
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""" % idlever.IDLE_VERSION
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class EditorWindow:
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from Percolator import Percolator
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from ColorDelegator import ColorDelegator
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from UndoDelegator import UndoDelegator
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from IOBinding import IOBinding
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import Bindings
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from Tkinter import Toplevel
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about_title = about_title
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about_text = about_text
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def __init__(self, flist=None, filename=None, key=None, root=None):
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self.flist = flist
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root = root or flist.root
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self.root = root
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self.menubar = Menu(root)
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self.top = top = self.Toplevel(root, menu=self.menubar)
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self.vbar = vbar = Scrollbar(top, name='vbar')
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self.text = text = Text(top, name='text', padx=5,
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background="white", wrap="none")
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self.createmenubar()
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self.Bindings.apply_bindings(text)
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self.top.protocol("WM_DELETE_WINDOW", self.close)
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self.top.bind("<<close-window>>", self.close_event)
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text.bind("<<center-insert>>", self.center_insert_event)
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text.bind("<<help>>", self.help_dialog)
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text.bind("<<about-idle>>", self.about_dialog)
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text.bind("<<open-module>>", self.open_module)
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text.bind("<<do-nothing>>", lambda event: "break")
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text.bind("<<select-all>>", self.select_all)
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text.bind("<<remove-selection>>", self.remove_selection)
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text.bind("<3>", self.right_menu_event)
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if flist:
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flist.inversedict[self] = key
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if key:
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flist.dict[key] = self
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text.bind("<<open-new-window>>", self.flist.new_callback)
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text.bind("<<close-all-windows>>", self.flist.close_all_callback)
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text.bind("<<open-class-browser>>", self.open_class_browser)
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vbar['command'] = text.yview
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vbar.pack(side=RIGHT, fill=Y)
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text['yscrollcommand'] = vbar.set
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if sys.platform[:3] == 'win':
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text['font'] = ("lucida console", 8)
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text.pack(side=LEFT, fill=BOTH, expand=1)
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text.focus_set()
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self.per = per = self.Percolator(text)
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if self.ispythonsource(filename):
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self.color = color = self.ColorDelegator(); per.insertfilter(color)
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##print "Initial colorizer"
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else:
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##print "No initial colorizer"
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self.color = None
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self.undo = undo = self.UndoDelegator(); per.insertfilter(undo)
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self.io = io = self.IOBinding(self)
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undo.set_saved_change_hook(self.saved_change_hook)
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io.set_filename_change_hook(self.filename_change_hook)
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if filename:
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if os.path.exists(filename):
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io.loadfile(filename)
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else:
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io.set_filename(filename)
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self.saved_change_hook()
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self.load_extensions()
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menu = self.menudict.get('windows')
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if menu:
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end = menu.index("end")
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if end is None:
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end = -1
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if end >= 0:
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menu.add_separator()
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end = end + 1
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self.wmenu_end = end
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menu.configure(postcommand=self.postwindowsmenu)
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def wakeup(self):
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if self.top.wm_state() == "iconic":
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self.top.wm_deiconify()
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else:
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self.top.tkraise()
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self.text.focus_set()
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menu_specs = [
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("file", "_File"),
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("edit", "_Edit"),
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("windows", "_Windows"),
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("help", "_Help"),
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]
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def createmenubar(self):
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mbar = self.menubar
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self.menudict = mdict = {}
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for name, label in self.menu_specs:
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underline, label = self.Bindings.prepstr(label)
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mdict[name] = menu = Menu(mbar, name=name)
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mbar.add_cascade(label=label, menu=menu, underline=underline)
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self.Bindings.fill_menus(self.text, mdict)
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def postwindowsmenu(self):
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# Only called when Windows menu exists
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menu = self.menudict['windows']
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end = menu.index("end")
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if end is None:
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end = -1
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if end > self.wmenu_end:
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menu.delete(self.wmenu_end+1, end)
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import WindowList
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WindowList.add_windows_to_menu(menu)
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rmenu = None
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def right_menu_event(self, event):
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self.text.tag_remove("sel", "1.0", "end")
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self.text.mark_set("insert", "@%d,%d" % (event.x, event.y))
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if not self.rmenu:
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self.make_rmenu()
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rmenu = self.rmenu
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self.event = event
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iswin = sys.platform[:3] == 'win'
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if iswin:
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self.text.config(cursor="arrow")
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rmenu.tk_popup(event.x_root, event.y_root)
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if iswin:
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self.text.config(cursor="ibeam")
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rmenu_specs = [
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# ("Label", "<<virtual-event>>"), ...
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("Close", "<<close-window>>"), # Example
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]
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def make_rmenu(self):
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rmenu = Menu(self.text, tearoff=0)
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for label, eventname in self.rmenu_specs:
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def command(text=self.text, eventname=eventname):
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text.event_generate(eventname)
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rmenu.add_command(label=label, command=command)
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self.rmenu = rmenu
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def about_dialog(self, event=None):
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tkMessageBox.showinfo(self.about_title, self.about_text,
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master=self.text)
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helpfile = "help.txt"
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def help_dialog(self, event=None):
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helpfile = self.helpfile
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if not os.path.exists(helpfile):
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base = os.path.basename(self.helpfile)
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for dir in sys.path:
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fullname = os.path.join(dir, base)
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if os.path.exists(fullname):
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helpfile = fullname
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break
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if self.flist:
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self.flist.open(helpfile)
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else:
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self.io.loadfile(helpfile)
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def select_all(self, event=None):
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self.text.tag_add("sel", "1.0", "end-1c")
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self.text.mark_set("insert", "1.0")
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self.text.see("insert")
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return "break"
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def remove_selection(self, event=None):
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self.text.tag_remove("sel", "1.0", "end")
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self.text.see("insert")
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def open_module(self, event=None):
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# XXX Shouldn't this be in IOBinding or in FileList?
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try:
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name = self.text.get("sel.first", "sel.last")
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except TclError:
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name = ""
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else:
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name = string.strip(name)
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if not name:
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name = tkSimpleDialog.askstring("Module",
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"Enter the name of a Python module\n"
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"to search on sys.path and open:",
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parent=self.text)
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if name:
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name = string.strip(name)
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if not name:
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return
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# XXX Ought to support package syntax
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# XXX Ought to insert current file's directory in front of path
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try:
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(f, file, (suffix, mode, type)) = imp.find_module(name)
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except ImportError, msg:
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tkMessageBox.showerror("Import error", str(msg), parent=self.text)
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return
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if type != imp.PY_SOURCE:
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tkMessageBox.showerror("Unsupported type",
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"%s is not a source module" % name, parent=self.text)
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return
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if f:
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f.close()
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if self.flist:
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self.flist.open(file)
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else:
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self.io.loadfile(file)
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def open_class_browser(self, event=None):
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filename = self.io.filename
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if not filename:
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tkMessageBox.showerror(
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"No filename",
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"This buffer has no associated filename",
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master=self.text)
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return None
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head, tail = os.path.split(filename)
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base, ext = os.path.splitext(tail)
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import pyclbr
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if pyclbr._modules.has_key(base):
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del pyclbr._modules[base]
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save_cursor = self.text["cursor"]
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self.text["cursor"] = "watch"
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self.text.update_idletasks()
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import ClassBrowser
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ClassBrowser.ClassBrowser(self.flist, base, [head])
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self.text["cursor"] = save_cursor
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def gotoline(self, lineno):
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if lineno is not None and lineno > 0:
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self.text.mark_set("insert", "%d.0" % lineno)
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self.text.tag_remove("sel", "1.0", "end")
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self.text.tag_add("sel", "insert", "insert +1l")
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self.center()
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def ispythonsource(self, filename):
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if not filename:
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return 1
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base, ext = os.path.splitext(os.path.basename(filename))
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if os.path.normcase(ext) in (".py", ".pyw"):
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return 1
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try:
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f = open(filename)
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line = f.readline()
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f.close()
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except IOError:
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return 0
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return line[:2] == '#!' and string.find(line, 'python') >= 0
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def close_hook(self):
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if self.flist:
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self.flist.close_edit(self)
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def set_close_hook(self, close_hook):
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self.close_hook = close_hook
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def filename_change_hook(self):
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if self.flist:
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self.flist.filename_changed_edit(self)
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self.saved_change_hook()
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if self.ispythonsource(self.io.filename):
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self.addcolorizer()
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else:
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self.rmcolorizer()
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def addcolorizer(self):
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if self.color:
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return
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##print "Add colorizer"
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self.per.removefilter(self.undo)
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self.color = self.ColorDelegator()
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self.per.insertfilter(self.color)
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self.per.insertfilter(self.undo)
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def rmcolorizer(self):
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if not self.color:
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return
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##print "Remove colorizer"
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self.per.removefilter(self.undo)
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self.per.removefilter(self.color)
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self.color = None
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self.per.insertfilter(self.undo)
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def saved_change_hook(self):
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short = self.short_title()
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long = self.long_title()
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if short and long:
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title = short + " - " + long
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elif short:
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title = short
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elif long:
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title = long
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else:
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title = "Untitled"
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icon = short or long or title
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if not self.get_saved():
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title = "*%s*" % title
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icon = "*%s" % icon
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self.top.wm_title(title)
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self.top.wm_iconname(icon)
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def get_saved(self):
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return self.undo.get_saved()
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def set_saved(self, flag):
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self.undo.set_saved(flag)
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def reset_undo(self):
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self.undo.reset_undo()
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def short_title(self):
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filename = self.io.filename
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if filename:
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filename = os.path.basename(filename)
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return filename
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def long_title(self):
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return self.io.filename or ""
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def center_insert_event(self, event):
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self.center()
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def center(self, mark="insert"):
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text = self.text
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top, bot = self.getwindowlines()
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lineno = self.getlineno(mark)
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height = bot - top
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newtop = max(1, lineno - height/2)
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text.yview(float(newtop))
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def getwindowlines(self):
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text = self.text
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top = self.getlineno("@0,0")
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bot = self.getlineno("@0,65535")
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if top == bot and text.winfo_height() == 1:
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# Geometry manager hasn't run yet
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height = int(text['height'])
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bot = top + height - 1
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return top, bot
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def getlineno(self, mark="insert"):
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text = self.text
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return int(float(text.index(mark)))
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def close_event(self, event):
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self.close()
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def maybesave(self):
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if self.io:
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return self.io.maybesave()
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def close(self):
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self.top.wm_deiconify()
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self.top.tkraise()
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reply = self.maybesave()
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if reply != "cancel":
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if self.close_hook:
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self.close_hook()
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colorizing = 0
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if self.color:
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colorizing = self.color.colorizing
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doh = colorizing and self.top
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self.color.close(doh) # Cancel colorization
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if not colorizing:
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self.top.destroy()
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return reply
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def load_extensions(self):
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self.extensions = {}
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self.load_standard_extensions()
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def load_standard_extensions(self):
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for name in self.get_standard_extension_names():
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try:
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self.load_extension(name)
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except:
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print "Failed to load extension", `name`
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import traceback
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traceback.print_exc()
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def get_standard_extension_names(self):
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import extend
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return extend.standard
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def load_extension(self, name):
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mod = __import__(name)
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cls = getattr(mod, name)
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ins = cls(self)
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self.extensions[name] = ins
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kdnames = ["keydefs"]
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if sys.platform == 'win32':
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kdnames.append("windows_keydefs")
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elif sys.platform == 'mac':
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kdnames.append("mac_keydefs")
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else:
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kdnames.append("unix_keydefs")
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keydefs = {}
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for kdname in kdnames:
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if hasattr(ins, kdname):
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keydefs.update(getattr(ins, kdname))
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if keydefs:
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self.Bindings.apply_bindings(self.text, keydefs)
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for vevent in keydefs.keys():
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methodname = string.replace(vevent, "-", "_")
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while methodname[:1] == '<':
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methodname = methodname[1:]
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while methodname[-1:] == '>':
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methodname = methodname[:-1]
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methodname = methodname + "_event"
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if hasattr(ins, methodname):
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self.text.bind(vevent, getattr(ins, methodname))
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if hasattr(ins, "menudefs"):
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self.Bindings.fill_menus(self.text, self. menudict,
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ins.menudefs, keydefs)
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return ins
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def fixwordbreaks(root):
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# Make sure that Tk's double-click and next/previous word
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# operations use our definition of a word (i.e. an identifier)
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tk = root.tk
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tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded
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tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]')
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tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]')
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def test():
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root = Tk()
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fixwordbreaks(root)
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root.withdraw()
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if sys.argv[1:]:
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filename = sys.argv[1]
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else:
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filename = None
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edit = EditorWindow(root=root, filename=filename)
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edit.set_close_hook(root.quit)
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root.mainloop()
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root.destroy()
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if __name__ == '__main__':
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test()
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