blob: ab62f917c9568d6bc606088b92e4c87cdbfa8153 [file] [log] [blame]
David Scherer7aced172000-08-15 01:13:23 +00001import sys
2import os
David Scherer7aced172000-08-15 01:13:23 +00003import re
Guido van Rossum33d26892007-08-05 15:29:28 +00004import string
David Scherer7aced172000-08-15 01:13:23 +00005import imp
Georg Brandl14fc4272008-05-17 18:39:55 +00006from tkinter import *
7import tkinter.simpledialog as tkSimpleDialog
8import tkinter.messagebox as tkMessageBox
Guido van Rossum36e0a922007-07-20 04:05:57 +00009import traceback
Kurt B. Kaiserfd182cd2001-07-14 03:58:25 +000010import webbrowser
Guido van Rossum36e0a922007-07-20 04:05:57 +000011
Kurt B. Kaiser2d7f6a02007-08-22 23:01:33 +000012from idlelib.MultiCall import MultiCallCreator
13from idlelib import idlever
14from idlelib import WindowList
15from idlelib import SearchDialog
16from idlelib import GrepDialog
17from idlelib import ReplaceDialog
18from idlelib import PyParse
19from idlelib.configHandler import idleConf
20from idlelib import aboutDialog, textView, configDialog
21from idlelib import macosxSupport
David Scherer7aced172000-08-15 01:13:23 +000022
23# The default tab setting for a Text widget, in average-width characters.
24TK_TABWIDTH_DEFAULT = 8
25
Kurt B. Kaiserc34ed8e2009-04-26 01:33:55 +000026def _sphinx_version():
27 "Format sys.version_info to produce the Sphinx version string used to install the chm docs"
28 major, minor, micro, level, serial = sys.version_info
29 release = '%s%s' % (major, minor)
30 if micro:
Benjamin Petersonb48f6342009-06-22 19:36:31 +000031 release += '%s' % (micro,)
32 if level == 'candidate':
33 release += 'rc%s' % (serial,)
34 elif level != 'final':
Kurt B. Kaiserc34ed8e2009-04-26 01:33:55 +000035 release += '%s%s' % (level[0], serial)
36 return release
37
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +000038def _find_module(fullname, path=None):
39 """Version of imp.find_module() that handles hierarchical module names"""
40
41 file = None
42 for tgt in fullname.split('.'):
43 if file is not None:
44 file.close() # close intermediate files
45 (file, filename, descr) = imp.find_module(tgt, path)
46 if descr[2] == imp.PY_SOURCE:
47 break # find but not load the source file
48 module = imp.load_module(tgt, file, filename, descr)
Kurt B. Kaiser69e8afc2003-01-10 21:25:20 +000049 try:
50 path = module.__path__
51 except AttributeError:
Kurt B. Kaiserad667422007-08-23 01:06:15 +000052 raise ImportError('No source for module ' + module.__name__)
Raymond Hettingerf6445e82011-04-12 18:30:14 -070053 if descr[2] != imp.PY_SOURCE:
54 # If all of the above fails and didn't raise an exception,fallback
55 # to a straight import which can find __init__.py in a package.
56 m = __import__(fullname)
57 try:
58 filename = m.__file__
59 except AttributeError:
60 pass
61 else:
62 file = None
Raymond Hettinger2df393c2011-04-12 18:57:55 -070063 descr = os.path.splitext(filename)[1], None, imp.PY_SOURCE
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +000064 return file, filename, descr
65
Terry Jan Reedye91e7632012-02-05 15:14:20 -050066
67class HelpDialog(object):
68
69 def __init__(self):
70 self.parent = None # parent of help window
71 self.dlg = None # the help window iteself
72
73 def display(self, parent, near=None):
74 """ Display the help dialog.
75
76 parent - parent widget for the help window
77
78 near - a Toplevel widget (e.g. EditorWindow or PyShell)
79 to use as a reference for placing the help window
80 """
81 if self.dlg is None:
82 self.show_dialog(parent)
83 if near:
84 self.nearwindow(near)
85
86 def show_dialog(self, parent):
87 self.parent = parent
88 fn=os.path.join(os.path.abspath(os.path.dirname(__file__)),'help.txt')
89 self.dlg = dlg = textView.view_file(parent,'Help',fn, modal=False)
90 dlg.bind('<Destroy>', self.destroy, '+')
91
92 def nearwindow(self, near):
93 # Place the help dialog near the window specified by parent.
94 # Note - this may not reposition the window in Metacity
95 # if "/apps/metacity/general/disable_workarounds" is enabled
96 dlg = self.dlg
97 geom = (near.winfo_rootx() + 10, near.winfo_rooty() + 10)
98 dlg.withdraw()
99 dlg.geometry("=+%d+%d" % geom)
100 dlg.deiconify()
101 dlg.lift()
102
103 def destroy(self, ev=None):
104 self.dlg = None
105 self.parent = None
106
107helpDialog = HelpDialog() # singleton instance
108
109
Kurt B. Kaiserdcba6622004-12-21 22:10:32 +0000110class EditorWindow(object):
Kurt B. Kaiser2d7f6a02007-08-22 23:01:33 +0000111 from idlelib.Percolator import Percolator
112 from idlelib.ColorDelegator import ColorDelegator
113 from idlelib.UndoDelegator import UndoDelegator
114 from idlelib.IOBinding import IOBinding, filesystemencoding, encoding
115 from idlelib import Bindings
Guilherme Polo5424b0a2008-05-25 15:26:44 +0000116 from tkinter import Toplevel
Kurt B. Kaiser2d7f6a02007-08-22 23:01:33 +0000117 from idlelib.MultiStatusBar import MultiStatusBar
David Scherer7aced172000-08-15 01:13:23 +0000118
Kurt B. Kaiser114713d2003-01-10 05:07:24 +0000119 help_url = None
David Scherer7aced172000-08-15 01:13:23 +0000120
121 def __init__(self, flist=None, filename=None, key=None, root=None):
Kurt B. Kaiser114713d2003-01-10 05:07:24 +0000122 if EditorWindow.help_url is None:
Thomas Heller84ef1532003-09-23 20:53:10 +0000123 dochome = os.path.join(sys.prefix, 'Doc', 'index.html')
Kurt B. Kaiser114713d2003-01-10 05:07:24 +0000124 if sys.platform.count('linux'):
125 # look for html docs in a couple of standard places
126 pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3]
127 if os.path.isdir('/var/www/html/python/'): # "python2" rpm
128 dochome = '/var/www/html/python/index.html'
129 else:
130 basepath = '/usr/share/doc/' # standard location
131 dochome = os.path.join(basepath, pyver,
132 'Doc', 'index.html')
Kurt B. Kaiser8aa23922004-07-15 04:54:57 +0000133 elif sys.platform[:3] == 'win':
Kurt B. Kaiser090e6362004-07-21 03:33:58 +0000134 chmfile = os.path.join(sys.prefix, 'Doc',
Kurt B. Kaiserc34ed8e2009-04-26 01:33:55 +0000135 'Python%s.chm' % _sphinx_version())
Thomas Heller84ef1532003-09-23 20:53:10 +0000136 if os.path.isfile(chmfile):
137 dochome = chmfile
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000138 elif macosxSupport.runningAsOSXApp():
139 # documentation is stored inside the python framework
140 dochome = os.path.join(sys.prefix,
141 'Resources/English.lproj/Documentation/index.html')
Kurt B. Kaiser114713d2003-01-10 05:07:24 +0000142 dochome = os.path.normpath(dochome)
143 if os.path.isfile(dochome):
144 EditorWindow.help_url = dochome
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000145 if sys.platform == 'darwin':
146 # Safari requires real file:-URLs
147 EditorWindow.help_url = 'file://' + EditorWindow.help_url
Kurt B. Kaiser114713d2003-01-10 05:07:24 +0000148 else:
Benjamin Peterson152b6572009-01-20 15:01:54 +0000149 EditorWindow.help_url = "http://docs.python.org/%d.%d" % sys.version_info[:2]
Steven M. Gavadc72f482002-01-03 11:51:07 +0000150 currentTheme=idleConf.CurrentTheme()
David Scherer7aced172000-08-15 01:13:23 +0000151 self.flist = flist
152 root = root or flist.root
153 self.root = root
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000154 try:
155 sys.ps1
156 except AttributeError:
157 sys.ps1 = '>>> '
David Scherer7aced172000-08-15 01:13:23 +0000158 self.menubar = Menu(root)
Kurt B. Kaiser183403a2004-08-22 05:14:32 +0000159 self.top = top = WindowList.ListedToplevel(root, menu=self.menubar)
Steven M. Gava0c5bc8c2002-03-27 02:25:44 +0000160 if flist:
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +0000161 self.tkinter_vars = flist.vars
Ezio Melotti42da6632011-03-15 05:18:48 +0200162 #self.top.instance_dict makes flist.inversedict available to
163 #configDialog.py so it can access all EditorWindow instances
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000164 self.top.instance_dict = flist.inversedict
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +0000165 else:
166 self.tkinter_vars = {} # keys: Tkinter event names
167 # values: Tkinter variable instances
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000168 self.top.instance_dict = {}
169 self.recent_files_path = os.path.join(idleConf.GetUserCfgDir(),
Steven M. Gava1d46e402002-03-27 08:40:46 +0000170 'recent-files.lst')
David Scherer7aced172000-08-15 01:13:23 +0000171 self.text_frame = text_frame = Frame(top)
Thomas Wouters89f507f2006-12-13 04:49:30 +0000172 self.vbar = vbar = Scrollbar(text_frame, name='vbar')
Kurt B. Kaiser1061e722003-01-04 01:43:53 +0000173 self.width = idleConf.GetOption('main','EditorWindow','width')
Kurt B. Kaiser113f0e82009-04-04 20:38:52 +0000174 text_options = {
175 'name': 'text',
176 'padx': 5,
177 'wrap': 'none',
178 'width': self.width,
179 'height': idleConf.GetOption('main', 'EditorWindow', 'height')}
180 if TkVersion >= 8.5:
181 # Starting with tk 8.5 we have to set the new tabstyle option
182 # to 'wordprocessor' to achieve the same display of tabs as in
183 # older tk versions.
184 text_options['tabstyle'] = 'wordprocessor'
185 self.text = text = MultiCallCreator(Text)(text_frame, **text_options)
Kurt B. Kaiser183403a2004-08-22 05:14:32 +0000186 self.top.focused_widget = self.text
David Scherer7aced172000-08-15 01:13:23 +0000187
188 self.createmenubar()
189 self.apply_bindings()
190
191 self.top.protocol("WM_DELETE_WINDOW", self.close)
192 self.top.bind("<<close-window>>", self.close_event)
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000193 if macosxSupport.runningAsOSXApp():
194 # Command-W on editorwindows doesn't work without this.
195 text.bind('<<close-window>>', self.close_event)
R. David Murrayb68a7bc2010-12-18 17:19:10 +0000196 # Some OS X systems have only one mouse button,
197 # so use control-click for pulldown menus there.
198 # (Note, AquaTk defines <2> as the right button if
199 # present and the Tk Text widget already binds <2>.)
200 text.bind("<Control-Button-1>",self.right_menu_event)
201 else:
202 # Elsewhere, use right-click for pulldown menus.
203 text.bind("<3>",self.right_menu_event)
Kurt B. Kaiser84f48032002-09-26 22:13:22 +0000204 text.bind("<<cut>>", self.cut)
205 text.bind("<<copy>>", self.copy)
206 text.bind("<<paste>>", self.paste)
David Scherer7aced172000-08-15 01:13:23 +0000207 text.bind("<<center-insert>>", self.center_insert_event)
208 text.bind("<<help>>", self.help_dialog)
David Scherer7aced172000-08-15 01:13:23 +0000209 text.bind("<<python-docs>>", self.python_docs)
210 text.bind("<<about-idle>>", self.about_dialog)
Steven M. Gava3b55a892001-11-21 05:56:26 +0000211 text.bind("<<open-config-dialog>>", self.config_dialog)
David Scherer7aced172000-08-15 01:13:23 +0000212 text.bind("<<open-module>>", self.open_module)
213 text.bind("<<do-nothing>>", lambda event: "break")
214 text.bind("<<select-all>>", self.select_all)
215 text.bind("<<remove-selection>>", self.remove_selection)
Steven M. Gavac5976402002-01-04 03:06:08 +0000216 text.bind("<<find>>", self.find_event)
217 text.bind("<<find-again>>", self.find_again_event)
218 text.bind("<<find-in-files>>", self.find_in_files_event)
219 text.bind("<<find-selection>>", self.find_selection_event)
220 text.bind("<<replace>>", self.replace_event)
221 text.bind("<<goto-line>>", self.goto_line_event)
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +0000222 text.bind("<<smart-backspace>>",self.smart_backspace_event)
223 text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
224 text.bind("<<smart-indent>>",self.smart_indent_event)
225 text.bind("<<indent-region>>",self.indent_region_event)
226 text.bind("<<dedent-region>>",self.dedent_region_event)
227 text.bind("<<comment-region>>",self.comment_region_event)
228 text.bind("<<uncomment-region>>",self.uncomment_region_event)
229 text.bind("<<tabify-region>>",self.tabify_region_event)
230 text.bind("<<untabify-region>>",self.untabify_region_event)
231 text.bind("<<toggle-tabs>>",self.toggle_tabs_event)
232 text.bind("<<change-indentwidth>>",self.change_indentwidth_event)
Kurt B. Kaiser5ec186b2003-01-17 04:04:06 +0000233 text.bind("<Left>", self.move_at_edge_if_selection(0))
234 text.bind("<Right>", self.move_at_edge_if_selection(1))
Kurt B. Kaiser3069dbb2005-01-28 00:16:16 +0000235 text.bind("<<del-word-left>>", self.del_word_left)
236 text.bind("<<del-word-right>>", self.del_word_right)
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000237 text.bind("<<beginning-of-line>>", self.home_callback)
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000238
David Scherer7aced172000-08-15 01:13:23 +0000239 if flist:
240 flist.inversedict[self] = key
241 if key:
242 flist.dict[key] = self
Kurt B. Kaiserd2f48612003-06-05 02:34:04 +0000243 text.bind("<<open-new-window>>", self.new_callback)
David Scherer7aced172000-08-15 01:13:23 +0000244 text.bind("<<close-all-windows>>", self.flist.close_all_callback)
245 text.bind("<<open-class-browser>>", self.open_class_browser)
246 text.bind("<<open-path-browser>>", self.open_path_browser)
247
Steven M. Gava898a3652001-10-07 11:10:44 +0000248 self.set_status_bar()
David Scherer7aced172000-08-15 01:13:23 +0000249 vbar['command'] = text.yview
250 vbar.pack(side=RIGHT, fill=Y)
David Scherer7aced172000-08-15 01:13:23 +0000251 text['yscrollcommand'] = vbar.set
Kurt B. Kaiseracdef852005-01-31 03:34:26 +0000252 fontWeight = 'normal'
253 if idleConf.GetOption('main', 'EditorWindow', 'font-bold', type='bool'):
Steven M. Gavab1585412002-03-12 00:21:56 +0000254 fontWeight='bold'
Kurt B. Kaiseracdef852005-01-31 03:34:26 +0000255 text.config(font=(idleConf.GetOption('main', 'EditorWindow', 'font'),
256 idleConf.GetOption('main', 'EditorWindow', 'font-size'),
257 fontWeight))
David Scherer7aced172000-08-15 01:13:23 +0000258 text_frame.pack(side=LEFT, fill=BOTH, expand=1)
259 text.pack(side=TOP, fill=BOTH, expand=1)
260 text.focus_set()
261
Kurt B. Kaiser6af44982005-01-19 00:22:59 +0000262 # usetabs true -> literal tab characters are used by indent and
263 # dedent cmds, possibly mixed with spaces if
264 # indentwidth is not a multiple of tabwidth,
265 # which will cause Tabnanny to nag!
266 # false -> tab characters are converted to spaces by indent
267 # and dedent cmds, and ditto TAB keystrokes
Kurt B. Kaiseracdef852005-01-31 03:34:26 +0000268 # Although use-spaces=0 can be configured manually in config-main.def,
269 # configuration of tabs v. spaces is not supported in the configuration
270 # dialog. IDLE promotes the preferred Python indentation: use spaces!
271 usespaces = idleConf.GetOption('main', 'Indent', 'use-spaces', type='bool')
272 self.usetabs = not usespaces
Kurt B. Kaiser6af44982005-01-19 00:22:59 +0000273
274 # tabwidth is the display width of a literal tab character.
275 # CAUTION: telling Tk to use anything other than its default
276 # tab setting causes it to use an entirely different tabbing algorithm,
277 # treating tab stops as fixed distances from the left margin.
278 # Nobody expects this, so for now tabwidth should never be changed.
Kurt B. Kaiseracdef852005-01-31 03:34:26 +0000279 self.tabwidth = 8 # must remain 8 until Tk is fixed.
280
281 # indentwidth is the number of screen characters per indent level.
282 # The recommended Python indentation is four spaces.
283 self.indentwidth = self.tabwidth
284 self.set_notabs_indentwidth()
Kurt B. Kaiser6af44982005-01-19 00:22:59 +0000285
286 # If context_use_ps1 is true, parsing searches back for a ps1 line;
287 # else searches for a popular (if, def, ...) Python stmt.
288 self.context_use_ps1 = False
289
290 # When searching backwards for a reliable place to begin parsing,
291 # first start num_context_lines[0] lines back, then
292 # num_context_lines[1] lines back if that didn't work, and so on.
293 # The last value should be huge (larger than the # of lines in a
294 # conceivable file).
295 # Making the initial values larger slows things down more often.
296 self.num_context_lines = 50, 500, 5000000
David Scherer7aced172000-08-15 01:13:23 +0000297 self.per = per = self.Percolator(text)
Kurt B. Kaiserdc1e7092002-07-11 04:33:41 +0000298 self.undo = undo = self.UndoDelegator()
299 per.insertfilter(undo)
300 text.undo_block_start = undo.undo_block_start
301 text.undo_block_stop = undo.undo_block_stop
302 undo.set_saved_change_hook(self.saved_change_hook)
Kurt B. Kaiserdc1e7092002-07-11 04:33:41 +0000303 # IOBinding implements file I/O and printing functionality
David Scherer7aced172000-08-15 01:13:23 +0000304 self.io = io = self.IOBinding(self)
Kurt B. Kaiserdc1e7092002-07-11 04:33:41 +0000305 io.set_filename_change_hook(self.filename_change_hook)
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +0000306 self.good_load = False
307 self.set_indentation_params(False)
Christian Heimesa156e092008-02-16 07:38:31 +0000308 self.color = None # initialized below in self.ResetColorizer
David Scherer7aced172000-08-15 01:13:23 +0000309 if filename:
Kurt B. Kaiserd2f48612003-06-05 02:34:04 +0000310 if os.path.exists(filename) and not os.path.isdir(filename):
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +0000311 if io.loadfile(filename):
312 self.good_load = True
313 is_py_src = self.ispythonsource(filename)
314 self.set_indentation_params(is_py_src)
315 if is_py_src:
316 self.color = color = self.ColorDelegator()
317 per.insertfilter(color)
David Scherer7aced172000-08-15 01:13:23 +0000318 else:
319 io.set_filename(filename)
Christian Heimesa156e092008-02-16 07:38:31 +0000320 self.ResetColorizer()
David Scherer7aced172000-08-15 01:13:23 +0000321 self.saved_change_hook()
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +0000322 self.update_recent_files_list()
David Scherer7aced172000-08-15 01:13:23 +0000323 self.load_extensions()
David Scherer7aced172000-08-15 01:13:23 +0000324 menu = self.menudict.get('windows')
325 if menu:
326 end = menu.index("end")
327 if end is None:
328 end = -1
329 if end >= 0:
330 menu.add_separator()
331 end = end + 1
332 self.wmenu_end = end
333 WindowList.register_callback(self.postwindowsmenu)
334
335 # Some abstractions so IDLE extensions are cross-IDE
336 self.askyesno = tkMessageBox.askyesno
337 self.askinteger = tkSimpleDialog.askinteger
338 self.showerror = tkMessageBox.showerror
339
Martin v. Löwis307021f2005-11-27 16:59:04 +0000340 def _filename_to_unicode(self, filename):
341 """convert filename to unicode in order to display it in Tk"""
Guido van Rossumef87d6e2007-05-02 19:09:54 +0000342 if isinstance(filename, str) or not filename:
Martin v. Löwis307021f2005-11-27 16:59:04 +0000343 return filename
344 else:
345 try:
346 return filename.decode(self.filesystemencoding)
347 except UnicodeDecodeError:
348 # XXX
349 try:
350 return filename.decode(self.encoding)
351 except UnicodeDecodeError:
352 # byte-to-byte conversion
353 return filename.decode('iso8859-1')
354
Kurt B. Kaiserd2f48612003-06-05 02:34:04 +0000355 def new_callback(self, event):
356 dirname, basename = self.io.defaultfilename()
357 self.flist.new(dirname)
358 return "break"
359
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000360 def home_callback(self, event):
Kurt B. Kaiser75fc5662011-03-21 02:13:42 -0400361 if (event.state & 4) != 0 and event.keysym == "Home":
362 # state&4==Control. If <Control-Home>, use the Tk binding.
363 return
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000364 if self.text.index("iomark") and \
365 self.text.compare("iomark", "<=", "insert lineend") and \
366 self.text.compare("insert linestart", "<=", "iomark"):
Kurt B. Kaiser946f1722011-03-25 20:29:13 -0400367 # In Shell on input line, go to just after prompt
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000368 insertpt = int(self.text.index("iomark").split(".")[1])
369 else:
370 line = self.text.get("insert linestart", "insert lineend")
Georg Brandl7d4f39a2008-07-19 13:53:58 +0000371 for insertpt in range(len(line)):
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000372 if line[insertpt] not in (' ','\t'):
373 break
374 else:
375 insertpt=len(line)
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000376 lineat = int(self.text.index("insert").split('.')[1])
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000377 if insertpt == lineat:
378 insertpt = 0
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000379 dest = "insert linestart+"+str(insertpt)+"c"
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000380 if (event.state&1) == 0:
Kurt B. Kaiser946f1722011-03-25 20:29:13 -0400381 # shift was not pressed
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000382 self.text.tag_remove("sel", "1.0", "end")
383 else:
384 if not self.text.index("sel.first"):
Kurt B. Kaiser946f1722011-03-25 20:29:13 -0400385 self.text.mark_set("my_anchor", "insert") # there was no previous selection
386 else:
387 if self.text.compare(self.text.index("sel.first"), "<", self.text.index("insert")):
388 self.text.mark_set("my_anchor", "sel.first") # extend back
389 else:
390 self.text.mark_set("my_anchor", "sel.last") # extend forward
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000391 first = self.text.index(dest)
Kurt B. Kaiser946f1722011-03-25 20:29:13 -0400392 last = self.text.index("my_anchor")
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000393 if self.text.compare(first,">",last):
394 first,last = last,first
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000395 self.text.tag_remove("sel", "1.0", "end")
396 self.text.tag_add("sel", first, last)
Christian Heimes81ee3ef2008-05-04 22:42:01 +0000397 self.text.mark_set("insert", dest)
398 self.text.see("insert")
399 return "break"
400
David Scherer7aced172000-08-15 01:13:23 +0000401 def set_status_bar(self):
Steven M. Gava898a3652001-10-07 11:10:44 +0000402 self.status_bar = self.MultiStatusBar(self.top)
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000403 if macosxSupport.runningAsOSXApp():
404 # Insert some padding to avoid obscuring some of the statusbar
405 # by the resize widget.
406 self.status_bar.set_label('_padding1', ' ', side=RIGHT)
David Scherer7aced172000-08-15 01:13:23 +0000407 self.status_bar.set_label('column', 'Col: ?', side=RIGHT)
408 self.status_bar.set_label('line', 'Ln: ?', side=RIGHT)
409 self.status_bar.pack(side=BOTTOM, fill=X)
Kurt B. Kaiserb1754452005-11-18 22:05:48 +0000410 self.text.bind("<<set-line-and-column>>", self.set_line_and_column)
411 self.text.event_add("<<set-line-and-column>>",
412 "<KeyRelease>", "<ButtonRelease>")
David Scherer7aced172000-08-15 01:13:23 +0000413 self.text.after_idle(self.set_line_and_column)
414
415 def set_line_and_column(self, event=None):
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +0000416 line, column = self.text.index(INSERT).split('.')
David Scherer7aced172000-08-15 01:13:23 +0000417 self.status_bar.set_label('column', 'Col: %s' % column)
418 self.status_bar.set_label('line', 'Ln: %s' % line)
419
David Scherer7aced172000-08-15 01:13:23 +0000420 menu_specs = [
421 ("file", "_File"),
422 ("edit", "_Edit"),
423 ("format", "F_ormat"),
424 ("run", "_Run"),
Kurt B. Kaiser1061e722003-01-04 01:43:53 +0000425 ("options", "_Options"),
David Scherer7aced172000-08-15 01:13:23 +0000426 ("windows", "_Windows"),
427 ("help", "_Help"),
428 ]
429
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000430 if macosxSupport.runningAsOSXApp():
431 del menu_specs[-3]
432 menu_specs[-2] = ("windows", "_Window")
433
434
David Scherer7aced172000-08-15 01:13:23 +0000435 def createmenubar(self):
436 mbar = self.menubar
437 self.menudict = menudict = {}
438 for name, label in self.menu_specs:
439 underline, label = prepstr(label)
440 menudict[name] = menu = Menu(mbar, name=name)
441 mbar.add_cascade(label=label, menu=menu, underline=underline)
Georg Brandlaedd2892010-12-19 10:10:32 +0000442 if macosxSupport.isCarbonAquaTk(self.root):
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000443 # Insert the application menu
444 menudict['application'] = menu = Menu(mbar, name='apple')
445 mbar.add_cascade(label='IDLE', menu=menu)
David Scherer7aced172000-08-15 01:13:23 +0000446 self.fill_menus()
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +0000447 self.recent_files_menu = Menu(self.menubar)
448 self.menudict['file'].insert_cascade(3, label='Recent Files',
449 underline=0,
450 menu=self.recent_files_menu)
Kurt B. Kaiser8e92bf72003-01-14 22:03:31 +0000451 self.base_helpmenu_length = self.menudict['help'].index(END)
452 self.reset_help_menu_entries()
David Scherer7aced172000-08-15 01:13:23 +0000453
454 def postwindowsmenu(self):
455 # Only called when Windows menu exists
David Scherer7aced172000-08-15 01:13:23 +0000456 menu = self.menudict['windows']
457 end = menu.index("end")
458 if end is None:
459 end = -1
460 if end > self.wmenu_end:
461 menu.delete(self.wmenu_end+1, end)
462 WindowList.add_windows_to_menu(menu)
463
464 rmenu = None
465
466 def right_menu_event(self, event):
David Scherer7aced172000-08-15 01:13:23 +0000467 self.text.mark_set("insert", "@%d,%d" % (event.x, event.y))
468 if not self.rmenu:
469 self.make_rmenu()
470 rmenu = self.rmenu
471 self.event = event
472 iswin = sys.platform[:3] == 'win'
473 if iswin:
474 self.text.config(cursor="arrow")
Andrew Svetlovd1837672012-11-01 22:41:19 +0200475
476 for label, eventname, verify_state in self.rmenu_specs:
477 if verify_state is None:
478 continue
479 state = getattr(self, verify_state)()
480 rmenu.entryconfigure(label, state=state)
481
482
David Scherer7aced172000-08-15 01:13:23 +0000483 rmenu.tk_popup(event.x_root, event.y_root)
484 if iswin:
485 self.text.config(cursor="ibeam")
486
487 rmenu_specs = [
Andrew Svetlovd1837672012-11-01 22:41:19 +0200488 # ("Label", "<<virtual-event>>", "statefuncname"), ...
489 ("Close", "<<close-window>>", None), # Example
David Scherer7aced172000-08-15 01:13:23 +0000490 ]
491
492 def make_rmenu(self):
493 rmenu = Menu(self.text, tearoff=0)
Andrew Svetlovd1837672012-11-01 22:41:19 +0200494 for label, eventname, _ in self.rmenu_specs:
495 if label is not None:
496 def command(text=self.text, eventname=eventname):
497 text.event_generate(eventname)
498 rmenu.add_command(label=label, command=command)
499 else:
500 rmenu.add_separator()
David Scherer7aced172000-08-15 01:13:23 +0000501 self.rmenu = rmenu
502
Andrew Svetlovd1837672012-11-01 22:41:19 +0200503 def rmenu_check_cut(self):
504 return self.rmenu_check_copy()
505
506 def rmenu_check_copy(self):
507 try:
508 indx = self.text.index('sel.first')
509 except TclError:
510 return 'disabled'
511 else:
512 return 'normal' if indx else 'disabled'
513
514 def rmenu_check_paste(self):
515 try:
516 self.text.tk.call('tk::GetSelection', self.text, 'CLIPBOARD')
517 except TclError:
518 return 'disabled'
519 else:
520 return 'normal'
521
David Scherer7aced172000-08-15 01:13:23 +0000522 def about_dialog(self, event=None):
Kurt B. Kaiserd78b2302003-06-12 04:03:49 +0000523 aboutDialog.AboutDialog(self.top,'About IDLE')
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000524
Steven M. Gava3b55a892001-11-21 05:56:26 +0000525 def config_dialog(self, event=None):
526 configDialog.ConfigDialog(self.top,'Settings')
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000527
David Scherer7aced172000-08-15 01:13:23 +0000528 def help_dialog(self, event=None):
Terry Jan Reedye91e7632012-02-05 15:14:20 -0500529 if self.root:
530 parent = self.root
531 else:
532 parent = self.top
533 helpDialog.display(parent, near=self.top)
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000534
Kurt B. Kaiser114713d2003-01-10 05:07:24 +0000535 def python_docs(self, event=None):
Kurt B. Kaiser8aa23922004-07-15 04:54:57 +0000536 if sys.platform[:3] == 'win':
Terry Reedy6739cc02011-01-01 02:25:36 +0000537 try:
538 os.startfile(self.help_url)
539 except WindowsError as why:
540 tkMessageBox.showerror(title='Document Start Failure',
541 message=str(why), parent=self.text)
Kurt B. Kaiser114713d2003-01-10 05:07:24 +0000542 else:
543 webbrowser.open(self.help_url)
Kurt B. Kaiser8aa23922004-07-15 04:54:57 +0000544 return "break"
David Scherer7aced172000-08-15 01:13:23 +0000545
Kurt B. Kaiser84f48032002-09-26 22:13:22 +0000546 def cut(self,event):
547 self.text.event_generate("<<Cut>>")
548 return "break"
549
550 def copy(self,event):
Kurt B. Kaiserb1754452005-11-18 22:05:48 +0000551 if not self.text.tag_ranges("sel"):
552 # There is no selection, so do nothing and maybe interrupt.
553 return
Kurt B. Kaiser84f48032002-09-26 22:13:22 +0000554 self.text.event_generate("<<Copy>>")
555 return "break"
556
557 def paste(self,event):
558 self.text.event_generate("<<Paste>>")
Guido van Rossum8ce8a782007-11-01 19:42:39 +0000559 self.text.see("insert")
Kurt B. Kaiser84f48032002-09-26 22:13:22 +0000560 return "break"
561
David Scherer7aced172000-08-15 01:13:23 +0000562 def select_all(self, event=None):
563 self.text.tag_add("sel", "1.0", "end-1c")
564 self.text.mark_set("insert", "1.0")
565 self.text.see("insert")
566 return "break"
567
568 def remove_selection(self, event=None):
569 self.text.tag_remove("sel", "1.0", "end")
570 self.text.see("insert")
571
Kurt B. Kaiser5ec186b2003-01-17 04:04:06 +0000572 def move_at_edge_if_selection(self, edge_index):
573 """Cursor move begins at start or end of selection
574
575 When a left/right cursor key is pressed create and return to Tkinter a
576 function which causes a cursor move from the associated edge of the
577 selection.
578
579 """
580 self_text_index = self.text.index
581 self_text_mark_set = self.text.mark_set
582 edges_table = ("sel.first+1c", "sel.last-1c")
583 def move_at_edge(event):
584 if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed
585 try:
586 self_text_index("sel.first")
587 self_text_mark_set("insert", edges_table[edge_index])
588 except TclError:
589 pass
590 return move_at_edge
591
Kurt B. Kaiser3069dbb2005-01-28 00:16:16 +0000592 def del_word_left(self, event):
593 self.text.event_generate('<Meta-Delete>')
594 return "break"
595
596 def del_word_right(self, event):
597 self.text.event_generate('<Meta-d>')
598 return "break"
599
Steven M. Gavac5976402002-01-04 03:06:08 +0000600 def find_event(self, event):
601 SearchDialog.find(self.text)
602 return "break"
603
604 def find_again_event(self, event):
605 SearchDialog.find_again(self.text)
606 return "break"
607
608 def find_selection_event(self, event):
609 SearchDialog.find_selection(self.text)
610 return "break"
611
612 def find_in_files_event(self, event):
613 GrepDialog.grep(self.text, self.io, self.flist)
614 return "break"
615
616 def replace_event(self, event):
617 ReplaceDialog.replace(self.text)
618 return "break"
619
620 def goto_line_event(self, event):
621 text = self.text
622 lineno = tkSimpleDialog.askinteger("Goto",
623 "Go to line number:",parent=text)
624 if lineno is None:
625 return "break"
626 if lineno <= 0:
627 text.bell()
628 return "break"
629 text.mark_set("insert", "%d.0" % lineno)
630 text.see("insert")
631
David Scherer7aced172000-08-15 01:13:23 +0000632 def open_module(self, event=None):
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +0000633 # XXX Shouldn't this be in IOBinding?
David Scherer7aced172000-08-15 01:13:23 +0000634 try:
635 name = self.text.get("sel.first", "sel.last")
636 except TclError:
637 name = ""
638 else:
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +0000639 name = name.strip()
Guido van Rossum852f35b2003-06-05 11:36:55 +0000640 name = tkSimpleDialog.askstring("Module",
641 "Enter the name of a Python module\n"
642 "to search on sys.path and open:",
643 parent=self.text, initialvalue=name)
644 if name:
645 name = name.strip()
David Scherer7aced172000-08-15 01:13:23 +0000646 if not name:
Guido van Rossum852f35b2003-06-05 11:36:55 +0000647 return
David Scherer7aced172000-08-15 01:13:23 +0000648 # XXX Ought to insert current file's directory in front of path
649 try:
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +0000650 (f, file, (suffix, mode, type)) = _find_module(name)
Guido van Rossumb940e112007-01-10 16:19:56 +0000651 except (NameError, ImportError) as msg:
David Scherer7aced172000-08-15 01:13:23 +0000652 tkMessageBox.showerror("Import error", str(msg), parent=self.text)
653 return
654 if type != imp.PY_SOURCE:
655 tkMessageBox.showerror("Unsupported type",
656 "%s is not a source module" % name, parent=self.text)
657 return
658 if f:
659 f.close()
660 if self.flist:
661 self.flist.open(file)
662 else:
663 self.io.loadfile(file)
664
665 def open_class_browser(self, event=None):
666 filename = self.io.filename
667 if not filename:
668 tkMessageBox.showerror(
669 "No filename",
670 "This buffer has no associated filename",
671 master=self.text)
672 self.text.focus_set()
673 return None
674 head, tail = os.path.split(filename)
675 base, ext = os.path.splitext(tail)
Kurt B. Kaiser2d7f6a02007-08-22 23:01:33 +0000676 from idlelib import ClassBrowser
David Scherer7aced172000-08-15 01:13:23 +0000677 ClassBrowser.ClassBrowser(self.flist, base, [head])
678
679 def open_path_browser(self, event=None):
Kurt B. Kaiser2d7f6a02007-08-22 23:01:33 +0000680 from idlelib import PathBrowser
David Scherer7aced172000-08-15 01:13:23 +0000681 PathBrowser.PathBrowser(self.flist)
682
683 def gotoline(self, lineno):
684 if lineno is not None and lineno > 0:
685 self.text.mark_set("insert", "%d.0" % lineno)
686 self.text.tag_remove("sel", "1.0", "end")
687 self.text.tag_add("sel", "insert", "insert +1l")
688 self.center()
689
690 def ispythonsource(self, filename):
Kurt B. Kaiserdf506ea2005-06-12 04:33:30 +0000691 if not filename or os.path.isdir(filename):
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +0000692 return True
David Scherer7aced172000-08-15 01:13:23 +0000693 base, ext = os.path.splitext(os.path.basename(filename))
694 if os.path.normcase(ext) in (".py", ".pyw"):
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +0000695 return True
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +0000696 line = self.text.get('1.0', '1.0 lineend')
697 return line.startswith('#!') and 'python' in line
David Scherer7aced172000-08-15 01:13:23 +0000698
699 def close_hook(self):
700 if self.flist:
Guido van Rossum8ce8a782007-11-01 19:42:39 +0000701 self.flist.unregister_maybe_terminate(self)
702 self.flist = None
David Scherer7aced172000-08-15 01:13:23 +0000703
704 def set_close_hook(self, close_hook):
705 self.close_hook = close_hook
706
707 def filename_change_hook(self):
708 if self.flist:
709 self.flist.filename_changed_edit(self)
710 self.saved_change_hook()
Kurt B. Kaiser260cb902003-06-06 21:58:38 +0000711 self.top.update_windowlist_registry(self)
Christian Heimesa156e092008-02-16 07:38:31 +0000712 self.ResetColorizer()
David Scherer7aced172000-08-15 01:13:23 +0000713
Christian Heimesa156e092008-02-16 07:38:31 +0000714 def _addcolorizer(self):
David Scherer7aced172000-08-15 01:13:23 +0000715 if self.color:
716 return
Christian Heimesa156e092008-02-16 07:38:31 +0000717 if self.ispythonsource(self.io.filename):
718 self.color = self.ColorDelegator()
719 # can add more colorizers here...
720 if self.color:
721 self.per.removefilter(self.undo)
722 self.per.insertfilter(self.color)
723 self.per.insertfilter(self.undo)
David Scherer7aced172000-08-15 01:13:23 +0000724
Christian Heimesa156e092008-02-16 07:38:31 +0000725 def _rmcolorizer(self):
David Scherer7aced172000-08-15 01:13:23 +0000726 if not self.color:
727 return
Kurt B. Kaiserdf506ea2005-06-12 04:33:30 +0000728 self.color.removecolors()
David Scherer7aced172000-08-15 01:13:23 +0000729 self.per.removefilter(self.color)
730 self.color = None
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000731
Steven M. Gavab77d3432002-03-02 07:16:21 +0000732 def ResetColorizer(self):
Christian Heimesa156e092008-02-16 07:38:31 +0000733 "Update the colour theme"
734 # Called from self.filename_change_hook and from configDialog.py
735 self._rmcolorizer()
736 self._addcolorizer()
Kurt B. Kaiser73360a32004-03-08 18:15:31 +0000737 theme = idleConf.GetOption('main','Theme','name')
Christian Heimesa156e092008-02-16 07:38:31 +0000738 normal_colors = idleConf.GetHighlight(theme, 'normal')
739 cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg')
740 select_colors = idleConf.GetHighlight(theme, 'hilite')
741 self.text.config(
742 foreground=normal_colors['foreground'],
743 background=normal_colors['background'],
744 insertbackground=cursor_color,
745 selectforeground=select_colors['foreground'],
746 selectbackground=select_colors['background'],
747 )
David Scherer7aced172000-08-15 01:13:23 +0000748
Guido van Rossum33d26892007-08-05 15:29:28 +0000749 IDENTCHARS = string.ascii_letters + string.digits + "_"
750
751 def colorize_syntax_error(self, text, pos):
752 text.tag_add("ERROR", pos)
753 char = text.get(pos)
754 if char and char in self.IDENTCHARS:
755 text.tag_add("ERROR", pos + " wordstart", pos)
756 if '\n' == text.get(pos): # error at line end
757 text.mark_set("insert", pos)
758 else:
759 text.mark_set("insert", pos + "+1c")
760 text.see(pos)
761
Steven M. Gavab1585412002-03-12 00:21:56 +0000762 def ResetFont(self):
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000763 "Update the text widgets' font if it is changed"
Kurt B. Kaiser83118c62002-06-24 17:03:37 +0000764 # Called from configDialog.py
Steven M. Gavab1585412002-03-12 00:21:56 +0000765 fontWeight='normal'
766 if idleConf.GetOption('main','EditorWindow','font-bold',type='bool'):
767 fontWeight='bold'
768 self.text.config(font=(idleConf.GetOption('main','EditorWindow','font'),
769 idleConf.GetOption('main','EditorWindow','font-size'),
770 fontWeight))
771
Kurt B. Kaiserb1754452005-11-18 22:05:48 +0000772 def RemoveKeybindings(self):
773 "Remove the keybindings before they are changed."
Kurt B. Kaiser83118c62002-06-24 17:03:37 +0000774 # Called from configDialog.py
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000775 self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000776 for event, keylist in keydefs.items():
Kurt B. Kaiserb1754452005-11-18 22:05:48 +0000777 self.text.event_delete(event, *keylist)
778 for extensionName in self.get_standard_extension_names():
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000779 xkeydefs = idleConf.GetExtensionBindings(extensionName)
780 if xkeydefs:
781 for event, keylist in xkeydefs.items():
Kurt B. Kaiserb1754452005-11-18 22:05:48 +0000782 self.text.event_delete(event, *keylist)
783
784 def ApplyKeybindings(self):
785 "Update the keybindings after they are changed"
786 # Called from configDialog.py
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000787 self.Bindings.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000788 self.apply_bindings()
Kurt B. Kaiserb1754452005-11-18 22:05:48 +0000789 for extensionName in self.get_standard_extension_names():
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000790 xkeydefs = idleConf.GetExtensionBindings(extensionName)
791 if xkeydefs:
792 self.apply_bindings(xkeydefs)
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000793 #update menu accelerators
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000794 menuEventDict = {}
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000795 for menu in self.Bindings.menudefs:
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000796 menuEventDict[menu[0]] = {}
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000797 for item in menu[1]:
798 if item:
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000799 menuEventDict[menu[0]][prepstr(item[0])[1]] = item[1]
Kurt B. Kaisere0712772007-08-23 05:25:55 +0000800 for menubarItem in self.menudict:
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000801 menu = self.menudict[menubarItem]
802 end = menu.index(END) + 1
803 for index in range(0, end):
804 if menu.type(index) == 'command':
805 accel = menu.entrycget(index, 'accelerator')
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000806 if accel:
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000807 itemName = menu.entrycget(index, 'label')
808 event = ''
Guido van Rossum811c4e02006-08-22 15:45:46 +0000809 if menubarItem in menuEventDict:
810 if itemName in menuEventDict[menubarItem]:
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000811 event = menuEventDict[menubarItem][itemName]
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000812 if event:
Kurt B. Kaiser5a67f9b2005-11-22 01:47:14 +0000813 accel = get_accelerator(keydefs, event)
814 menu.entryconfig(index, accelerator=accel)
Steven M. Gavadbfe92c2002-03-18 02:38:44 +0000815
Kurt B. Kaiseracdef852005-01-31 03:34:26 +0000816 def set_notabs_indentwidth(self):
817 "Update the indentwidth if changed and not using tabs in this window"
818 # Called from configDialog.py
819 if not self.usetabs:
820 self.indentwidth = idleConf.GetOption('main', 'Indent','num-spaces',
821 type='int')
822
Kurt B. Kaiser8e92bf72003-01-14 22:03:31 +0000823 def reset_help_menu_entries(self):
824 "Update the additional help entries on the Help menu"
825 help_list = idleConf.GetAllExtraHelpSourcesList()
826 helpmenu = self.menudict['help']
827 # first delete the extra help entries, if any
828 helpmenu_length = helpmenu.index(END)
829 if helpmenu_length > self.base_helpmenu_length:
830 helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length)
831 # then rebuild them
832 if help_list:
833 helpmenu.add_separator()
834 for entry in help_list:
835 cmd = self.__extra_help_callback(entry[1])
836 helpmenu.add_command(label=entry[0], command=cmd)
837 # and update the menu dictionary
838 self.menudict['help'] = helpmenu
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000839
Kurt B. Kaiser8e92bf72003-01-14 22:03:31 +0000840 def __extra_help_callback(self, helpfile):
841 "Create a callback with the helpfile value frozen at definition time"
842 def display_extra_help(helpfile=helpfile):
Thomas Wouters0e3f5912006-08-11 14:57:12 +0000843 if not helpfile.startswith(('www', 'http')):
Terry Reedy6739cc02011-01-01 02:25:36 +0000844 helpfile = os.path.normpath(helpfile)
Kurt B. Kaiser8aa23922004-07-15 04:54:57 +0000845 if sys.platform[:3] == 'win':
Terry Reedy6739cc02011-01-01 02:25:36 +0000846 try:
847 os.startfile(helpfile)
848 except WindowsError as why:
849 tkMessageBox.showerror(title='Document Start Failure',
850 message=str(why), parent=self.text)
Kurt B. Kaiser8aa23922004-07-15 04:54:57 +0000851 else:
852 webbrowser.open(helpfile)
Kurt B. Kaiser8e92bf72003-01-14 22:03:31 +0000853 return display_extra_help
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000854
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000855 def update_recent_files_list(self, new_file=None):
856 "Load and update the recent files list and menus"
857 rf_list = []
858 if os.path.exists(self.recent_files_path):
Ned Deily122539e2011-01-24 21:46:44 +0000859 rf_list_file = open(self.recent_files_path,'r',
860 encoding='utf_8', errors='replace')
Steven M. Gava1d46e402002-03-27 08:40:46 +0000861 try:
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000862 rf_list = rf_list_file.readlines()
Steven M. Gava1d46e402002-03-27 08:40:46 +0000863 finally:
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000864 rf_list_file.close()
865 if new_file:
866 new_file = os.path.abspath(new_file) + '\n'
867 if new_file in rf_list:
868 rf_list.remove(new_file) # move to top
869 rf_list.insert(0, new_file)
870 # clean and save the recent files list
871 bad_paths = []
872 for path in rf_list:
873 if '\0' in path or not os.path.exists(path[0:-1]):
874 bad_paths.append(path)
875 rf_list = [path for path in rf_list if path not in bad_paths]
876 ulchars = "1234567890ABCDEFGHIJK"
877 rf_list = rf_list[0:len(ulchars)]
Steven M. Gava1d46e402002-03-27 08:40:46 +0000878 try:
Ned Deilyf505b742011-12-14 14:58:24 -0800879 with open(self.recent_files_path, 'w',
880 encoding='utf_8', errors='replace') as rf_file:
881 rf_file.writelines(rf_list)
882 except IOError as err:
883 if not getattr(self.root, "recentfilelist_error_displayed", False):
884 self.root.recentfilelist_error_displayed = True
885 tkMessageBox.showerror(title='IDLE Error',
886 message='Unable to update Recent Files list:\n%s'
887 % str(err),
888 parent=self.text)
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000889 # for each edit window instance, construct the recent files menu
Kurt B. Kaisere0712772007-08-23 05:25:55 +0000890 for instance in self.top.instance_dict:
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000891 menu = instance.recent_files_menu
Ned Deily3aee9412012-05-29 10:43:36 -0700892 menu.delete(0, END) # clear, and rebuild:
Guilherme Polo1fff0082009-08-14 15:05:30 +0000893 for i, file_name in enumerate(rf_list):
894 file_name = file_name.rstrip() # zap \n
Martin v. Löwis307021f2005-11-27 16:59:04 +0000895 # make unicode string to display non-ASCII chars correctly
896 ufile_name = self._filename_to_unicode(file_name)
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000897 callback = instance.__recent_file_callback(file_name)
Martin v. Löwis307021f2005-11-27 16:59:04 +0000898 menu.add_command(label=ulchars[i] + " " + ufile_name,
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000899 command=callback,
900 underline=0)
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000901
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000902 def __recent_file_callback(self, file_name):
903 def open_recent_file(fn_closure=file_name):
904 self.io.open(editFile=fn_closure)
905 return open_recent_file
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000906
David Scherer7aced172000-08-15 01:13:23 +0000907 def saved_change_hook(self):
908 short = self.short_title()
909 long = self.long_title()
910 if short and long:
911 title = short + " - " + long
912 elif short:
913 title = short
914 elif long:
915 title = long
916 else:
917 title = "Untitled"
918 icon = short or long or title
919 if not self.get_saved():
920 title = "*%s*" % title
921 icon = "*%s" % icon
922 self.top.wm_title(title)
923 self.top.wm_iconname(icon)
924
925 def get_saved(self):
926 return self.undo.get_saved()
927
928 def set_saved(self, flag):
929 self.undo.set_saved(flag)
930
931 def reset_undo(self):
932 self.undo.reset_undo()
933
934 def short_title(self):
935 filename = self.io.filename
936 if filename:
937 filename = os.path.basename(filename)
Martin v. Löwis307021f2005-11-27 16:59:04 +0000938 # return unicode string to display non-ASCII chars correctly
939 return self._filename_to_unicode(filename)
David Scherer7aced172000-08-15 01:13:23 +0000940
941 def long_title(self):
Martin v. Löwis307021f2005-11-27 16:59:04 +0000942 # return unicode string to display non-ASCII chars correctly
943 return self._filename_to_unicode(self.io.filename or "")
David Scherer7aced172000-08-15 01:13:23 +0000944
945 def center_insert_event(self, event):
946 self.center()
947
948 def center(self, mark="insert"):
949 text = self.text
950 top, bot = self.getwindowlines()
951 lineno = self.getlineno(mark)
952 height = bot - top
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +0000953 newtop = max(1, lineno - height//2)
David Scherer7aced172000-08-15 01:13:23 +0000954 text.yview(float(newtop))
955
956 def getwindowlines(self):
957 text = self.text
958 top = self.getlineno("@0,0")
959 bot = self.getlineno("@0,65535")
960 if top == bot and text.winfo_height() == 1:
961 # Geometry manager hasn't run yet
962 height = int(text['height'])
963 bot = top + height - 1
964 return top, bot
965
966 def getlineno(self, mark="insert"):
967 text = self.text
968 return int(float(text.index(mark)))
969
Kurt B. Kaiser1061e722003-01-04 01:43:53 +0000970 def get_geometry(self):
971 "Return (width, height, x, y)"
972 geom = self.top.wm_geometry()
973 m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom)
Kurt B. Kaiser66aaf742007-08-09 18:00:23 +0000974 return list(map(int, m.groups()))
Kurt B. Kaiser1061e722003-01-04 01:43:53 +0000975
David Scherer7aced172000-08-15 01:13:23 +0000976 def close_event(self, event):
977 self.close()
978
979 def maybesave(self):
980 if self.io:
Steven M. Gava67716b52002-02-26 02:31:03 +0000981 if not self.get_saved():
Kurt B. Kaiser6655e4b2002-12-31 16:03:23 +0000982 if self.top.state()!='normal':
Steven M. Gava67716b52002-02-26 02:31:03 +0000983 self.top.deiconify()
984 self.top.lower()
985 self.top.lift()
David Scherer7aced172000-08-15 01:13:23 +0000986 return self.io.maybesave()
987
988 def close(self):
David Scherer7aced172000-08-15 01:13:23 +0000989 reply = self.maybesave()
Thomas Woutersfc7bb8c2007-01-15 15:49:28 +0000990 if str(reply) != "cancel":
David Scherer7aced172000-08-15 01:13:23 +0000991 self._close()
992 return reply
993
994 def _close(self):
Steven M. Gava1d46e402002-03-27 08:40:46 +0000995 if self.io.filename:
Kurt B. Kaisercf6f1b62004-04-11 03:16:07 +0000996 self.update_recent_files_list(new_file=self.io.filename)
David Scherer7aced172000-08-15 01:13:23 +0000997 WindowList.unregister_callback(self.postwindowsmenu)
David Scherer7aced172000-08-15 01:13:23 +0000998 self.unload_extensions()
Guido van Rossum8ce8a782007-11-01 19:42:39 +0000999 self.io.close()
1000 self.io = None
1001 self.undo = None
David Scherer7aced172000-08-15 01:13:23 +00001002 if self.color:
Guido van Rossum8ce8a782007-11-01 19:42:39 +00001003 self.color.close(False)
1004 self.color = None
David Scherer7aced172000-08-15 01:13:23 +00001005 self.text = None
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001006 self.tkinter_vars = None
Guido van Rossum8ce8a782007-11-01 19:42:39 +00001007 self.per.close()
1008 self.per = None
1009 self.top.destroy()
1010 if self.close_hook:
1011 # unless override: unregister from flist, terminate if last window
1012 self.close_hook()
David Scherer7aced172000-08-15 01:13:23 +00001013
1014 def load_extensions(self):
1015 self.extensions = {}
1016 self.load_standard_extensions()
1017
1018 def unload_extensions(self):
Kurt B. Kaisere0712772007-08-23 05:25:55 +00001019 for ins in list(self.extensions.values()):
David Scherer7aced172000-08-15 01:13:23 +00001020 if hasattr(ins, "close"):
1021 ins.close()
1022 self.extensions = {}
1023
1024 def load_standard_extensions(self):
1025 for name in self.get_standard_extension_names():
1026 try:
1027 self.load_extension(name)
1028 except:
Guido van Rossumbe19ed72007-02-09 05:37:30 +00001029 print("Failed to load extension", repr(name))
David Scherer7aced172000-08-15 01:13:23 +00001030 traceback.print_exc()
1031
1032 def get_standard_extension_names(self):
Kurt B. Kaiser4d5bc602004-06-06 01:29:22 +00001033 return idleConf.GetExtensions(editor_only=True)
David Scherer7aced172000-08-15 01:13:23 +00001034
1035 def load_extension(self, name):
Kurt B. Kaiserb00e89f2005-01-18 00:54:58 +00001036 try:
1037 mod = __import__(name, globals(), locals(), [])
1038 except ImportError:
Guido van Rossumbe19ed72007-02-09 05:37:30 +00001039 print("\nFailed to import extension: ", name)
Guido van Rossum36e0a922007-07-20 04:05:57 +00001040 raise
David Scherer7aced172000-08-15 01:13:23 +00001041 cls = getattr(mod, name)
Kurt B. Kaiser4d5bc602004-06-06 01:29:22 +00001042 keydefs = idleConf.GetExtensionBindings(name)
1043 if hasattr(cls, "menudefs"):
1044 self.fill_menus(cls.menudefs, keydefs)
David Scherer7aced172000-08-15 01:13:23 +00001045 ins = cls(self)
1046 self.extensions[name] = ins
David Scherer7aced172000-08-15 01:13:23 +00001047 if keydefs:
1048 self.apply_bindings(keydefs)
Kurt B. Kaisere0712772007-08-23 05:25:55 +00001049 for vevent in keydefs:
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +00001050 methodname = vevent.replace("-", "_")
David Scherer7aced172000-08-15 01:13:23 +00001051 while methodname[:1] == '<':
1052 methodname = methodname[1:]
1053 while methodname[-1:] == '>':
1054 methodname = methodname[:-1]
1055 methodname = methodname + "_event"
1056 if hasattr(ins, methodname):
1057 self.text.bind(vevent, getattr(ins, methodname))
David Scherer7aced172000-08-15 01:13:23 +00001058
1059 def apply_bindings(self, keydefs=None):
1060 if keydefs is None:
1061 keydefs = self.Bindings.default_keydefs
1062 text = self.text
1063 text.keydefs = keydefs
1064 for event, keylist in keydefs.items():
1065 if keylist:
Raymond Hettinger931237e2003-07-09 18:48:24 +00001066 text.event_add(event, *keylist)
David Scherer7aced172000-08-15 01:13:23 +00001067
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001068 def fill_menus(self, menudefs=None, keydefs=None):
Kurt B. Kaiser83118c62002-06-24 17:03:37 +00001069 """Add appropriate entries to the menus and submenus
1070
1071 Menus that are absent or None in self.menudict are ignored.
1072 """
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001073 if menudefs is None:
1074 menudefs = self.Bindings.menudefs
David Scherer7aced172000-08-15 01:13:23 +00001075 if keydefs is None:
1076 keydefs = self.Bindings.default_keydefs
1077 menudict = self.menudict
1078 text = self.text
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001079 for mname, entrylist in menudefs:
David Scherer7aced172000-08-15 01:13:23 +00001080 menu = menudict.get(mname)
1081 if not menu:
1082 continue
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001083 for entry in entrylist:
1084 if not entry:
David Scherer7aced172000-08-15 01:13:23 +00001085 menu.add_separator()
1086 else:
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001087 label, eventname = entry
David Scherer7aced172000-08-15 01:13:23 +00001088 checkbutton = (label[:1] == '!')
1089 if checkbutton:
1090 label = label[1:]
1091 underline, label = prepstr(label)
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001092 accelerator = get_accelerator(keydefs, eventname)
1093 def command(text=text, eventname=eventname):
1094 text.event_generate(eventname)
David Scherer7aced172000-08-15 01:13:23 +00001095 if checkbutton:
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001096 var = self.get_var_obj(eventname, BooleanVar)
David Scherer7aced172000-08-15 01:13:23 +00001097 menu.add_checkbutton(label=label, underline=underline,
1098 command=command, accelerator=accelerator,
1099 variable=var)
1100 else:
1101 menu.add_command(label=label, underline=underline,
Kurt B. Kaiser84f48032002-09-26 22:13:22 +00001102 command=command,
1103 accelerator=accelerator)
David Scherer7aced172000-08-15 01:13:23 +00001104
1105 def getvar(self, name):
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001106 var = self.get_var_obj(name)
David Scherer7aced172000-08-15 01:13:23 +00001107 if var:
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001108 value = var.get()
1109 return value
1110 else:
Kurt B. Kaiserad667422007-08-23 01:06:15 +00001111 raise NameError(name)
David Scherer7aced172000-08-15 01:13:23 +00001112
1113 def setvar(self, name, value, vartype=None):
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001114 var = self.get_var_obj(name, vartype)
David Scherer7aced172000-08-15 01:13:23 +00001115 if var:
1116 var.set(value)
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001117 else:
Kurt B. Kaiserad667422007-08-23 01:06:15 +00001118 raise NameError(name)
David Scherer7aced172000-08-15 01:13:23 +00001119
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001120 def get_var_obj(self, name, vartype=None):
1121 var = self.tkinter_vars.get(name)
David Scherer7aced172000-08-15 01:13:23 +00001122 if not var and vartype:
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001123 # create a Tkinter variable object with self.text as master:
1124 self.tkinter_vars[name] = var = vartype(self.text)
David Scherer7aced172000-08-15 01:13:23 +00001125 return var
1126
1127 # Tk implementations of "virtual text methods" -- each platform
1128 # reusing IDLE's support code needs to define these for its GUI's
1129 # flavor of widget.
1130
1131 # Is character at text_index in a Python string? Return 0 for
1132 # "guaranteed no", true for anything else. This info is expensive
1133 # to compute ab initio, but is probably already known by the
1134 # platform's colorizer.
1135
1136 def is_char_in_string(self, text_index):
1137 if self.color:
1138 # Return true iff colorizer hasn't (re)gotten this far
1139 # yet, or the character is tagged as being in a string
1140 return self.text.tag_prevrange("TODO", text_index) or \
1141 "STRING" in self.text.tag_names(text_index)
1142 else:
1143 # The colorizer is missing: assume the worst
1144 return 1
1145
1146 # If a selection is defined in the text widget, return (start,
1147 # end) as Tkinter text indices, otherwise return (None, None)
1148 def get_selection_indices(self):
1149 try:
1150 first = self.text.index("sel.first")
1151 last = self.text.index("sel.last")
1152 return first, last
1153 except TclError:
1154 return None, None
1155
1156 # Return the text widget's current view of what a tab stop means
1157 # (equivalent width in spaces).
1158
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +00001159 def get_tk_tabwidth(self):
David Scherer7aced172000-08-15 01:13:23 +00001160 current = self.text['tabs'] or TK_TABWIDTH_DEFAULT
1161 return int(current)
1162
1163 # Set the text widget's current view of what a tab stop means.
1164
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +00001165 def set_tk_tabwidth(self, newtabwidth):
David Scherer7aced172000-08-15 01:13:23 +00001166 text = self.text
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +00001167 if self.get_tk_tabwidth() != newtabwidth:
1168 # Set text widget tab width
David Scherer7aced172000-08-15 01:13:23 +00001169 pixels = text.tk.call("font", "measure", text["font"],
1170 "-displayof", text.master,
Kurt B. Kaiserafdf71b2001-07-13 03:35:32 +00001171 "n" * newtabwidth)
David Scherer7aced172000-08-15 01:13:23 +00001172 text.configure(tabs=pixels)
1173
Guido van Rossum33d26892007-08-05 15:29:28 +00001174### begin autoindent code ### (configuration was moved to beginning of class)
1175
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +00001176 def set_indentation_params(self, is_py_src, guess=True):
1177 if is_py_src and guess:
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001178 i = self.guess_indent()
1179 if 2 <= i <= 8:
1180 self.indentwidth = i
1181 if self.indentwidth != self.tabwidth:
Kurt B. Kaiser6af44982005-01-19 00:22:59 +00001182 self.usetabs = False
Kurt B. Kaiser105f60e2007-09-06 04:03:04 +00001183 self.set_tk_tabwidth(self.tabwidth)
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001184
1185 def smart_backspace_event(self, event):
1186 text = self.text
1187 first, last = self.get_selection_indices()
1188 if first and last:
1189 text.delete(first, last)
1190 text.mark_set("insert", first)
1191 return "break"
1192 # Delete whitespace left, until hitting a real char or closest
1193 # preceding virtual tab stop.
1194 chars = text.get("insert linestart", "insert")
1195 if chars == '':
1196 if text.compare("insert", ">", "1.0"):
1197 # easy: delete preceding newline
1198 text.delete("insert-1c")
1199 else:
1200 text.bell() # at start of buffer
1201 return "break"
1202 if chars[-1] not in " \t":
1203 # easy: delete preceding real char
1204 text.delete("insert-1c")
1205 return "break"
1206 # Ick. It may require *inserting* spaces if we back up over a
1207 # tab character! This is written to be clear, not fast.
Kurt B. Kaiser1b3c2692002-09-15 21:31:30 +00001208 tabwidth = self.tabwidth
1209 have = len(chars.expandtabs(tabwidth))
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001210 assert have > 0
1211 want = ((have - 1) // self.indentwidth) * self.indentwidth
Kurt B. Kaiser4ada7ad2002-12-29 22:03:38 +00001212 # Debug prompt is multilined....
Terry Jan Reedy7f53aea2012-01-15 19:03:23 -05001213 if self.context_use_ps1:
1214 last_line_of_prompt = sys.ps1.split('\n')[-1]
1215 else:
1216 last_line_of_prompt = ''
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001217 ncharsdeleted = 0
1218 while 1:
Kurt B. Kaiser4ada7ad2002-12-29 22:03:38 +00001219 if chars == last_line_of_prompt:
Kurt B. Kaiser1bdca5e2002-12-16 22:25:10 +00001220 break
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001221 chars = chars[:-1]
1222 ncharsdeleted = ncharsdeleted + 1
Kurt B. Kaiser1b3c2692002-09-15 21:31:30 +00001223 have = len(chars.expandtabs(tabwidth))
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001224 if have <= want or chars[-1] not in " \t":
1225 break
1226 text.undo_block_start()
1227 text.delete("insert-%dc" % ncharsdeleted, "insert")
1228 if have < want:
1229 text.insert("insert", ' ' * (want - have))
1230 text.undo_block_stop()
1231 return "break"
1232
1233 def smart_indent_event(self, event):
1234 # if intraline selection:
1235 # delete it
1236 # elif multiline selection:
Kurt B. Kaiser6af44982005-01-19 00:22:59 +00001237 # do indent-region
1238 # else:
1239 # indent one level
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001240 text = self.text
1241 first, last = self.get_selection_indices()
1242 text.undo_block_start()
1243 try:
1244 if first and last:
1245 if index2line(first) != index2line(last):
1246 return self.indent_region_event(event)
1247 text.delete(first, last)
1248 text.mark_set("insert", first)
1249 prefix = text.get("insert linestart", "insert")
1250 raw, effective = classifyws(prefix, self.tabwidth)
1251 if raw == len(prefix):
1252 # only whitespace to the left
1253 self.reindent_to(effective + self.indentwidth)
1254 else:
Kurt B. Kaiser6af44982005-01-19 00:22:59 +00001255 # tab to the next 'stop' within or to right of line's text:
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001256 if self.usetabs:
1257 pad = '\t'
1258 else:
Kurt B. Kaiser1b3c2692002-09-15 21:31:30 +00001259 effective = len(prefix.expandtabs(self.tabwidth))
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001260 n = self.indentwidth
1261 pad = ' ' * (n - effective % n)
1262 text.insert("insert", pad)
1263 text.see("insert")
1264 return "break"
1265 finally:
1266 text.undo_block_stop()
1267
1268 def newline_and_indent_event(self, event):
1269 text = self.text
1270 first, last = self.get_selection_indices()
1271 text.undo_block_start()
1272 try:
1273 if first and last:
1274 text.delete(first, last)
1275 text.mark_set("insert", first)
1276 line = text.get("insert linestart", "insert")
1277 i, n = 0, len(line)
1278 while i < n and line[i] in " \t":
1279 i = i+1
1280 if i == n:
Kurt B. Kaiser4ada7ad2002-12-29 22:03:38 +00001281 # the cursor is in or at leading indentation in a continuation
1282 # line; just inject an empty line at the start
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001283 text.insert("insert linestart", '\n')
1284 return "break"
1285 indent = line[:i]
Kurt B. Kaiser4ada7ad2002-12-29 22:03:38 +00001286 # strip whitespace before insert point unless it's in the prompt
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001287 i = 0
Kurt B. Kaiser4ada7ad2002-12-29 22:03:38 +00001288 last_line_of_prompt = sys.ps1.split('\n')[-1]
1289 while line and line[-1] in " \t" and line != last_line_of_prompt:
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001290 line = line[:-1]
1291 i = i+1
1292 if i:
1293 text.delete("insert - %d chars" % i, "insert")
1294 # strip whitespace after insert point
1295 while text.get("insert") in " \t":
1296 text.delete("insert")
1297 # start new line
1298 text.insert("insert", '\n')
1299
1300 # adjust indentation for continuations and block
1301 # open/close first need to find the last stmt
1302 lno = index2line(text.index('insert'))
1303 y = PyParse.Parser(self.indentwidth, self.tabwidth)
Kurt B. Kaiserb1754452005-11-18 22:05:48 +00001304 if not self.context_use_ps1:
1305 for context in self.num_context_lines:
1306 startat = max(lno - context, 1)
Brett Cannon0b70cca2006-08-25 02:59:59 +00001307 startatindex = repr(startat) + ".0"
Kurt B. Kaiserb1754452005-11-18 22:05:48 +00001308 rawtext = text.get(startatindex, "insert")
1309 y.set_str(rawtext)
1310 bod = y.find_good_parse_start(
1311 self.context_use_ps1,
1312 self._build_char_in_string_func(startatindex))
1313 if bod is not None or startat == 1:
1314 break
1315 y.set_lo(bod or 0)
1316 else:
1317 r = text.tag_prevrange("console", "insert")
1318 if r:
1319 startatindex = r[1]
1320 else:
1321 startatindex = "1.0"
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001322 rawtext = text.get(startatindex, "insert")
1323 y.set_str(rawtext)
Kurt B. Kaiserb1754452005-11-18 22:05:48 +00001324 y.set_lo(0)
1325
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001326 c = y.get_continuation_type()
1327 if c != PyParse.C_NONE:
1328 # The current stmt hasn't ended yet.
Kurt B. Kaiserb61602c2005-11-15 07:20:06 +00001329 if c == PyParse.C_STRING_FIRST_LINE:
1330 # after the first line of a string; do not indent at all
1331 pass
1332 elif c == PyParse.C_STRING_NEXT_LINES:
1333 # inside a string which started before this line;
1334 # just mimic the current indent
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001335 text.insert("insert", indent)
1336 elif c == PyParse.C_BRACKET:
1337 # line up with the first (if any) element of the
1338 # last open bracket structure; else indent one
1339 # level beyond the indent of the line with the
1340 # last open bracket
1341 self.reindent_to(y.compute_bracket_indent())
1342 elif c == PyParse.C_BACKSLASH:
1343 # if more than one line in this stmt already, just
1344 # mimic the current indent; else if initial line
1345 # has a start on an assignment stmt, indent to
1346 # beyond leftmost =; else to beyond first chunk of
1347 # non-whitespace on initial line
1348 if y.get_num_lines_in_stmt() > 1:
1349 text.insert("insert", indent)
1350 else:
1351 self.reindent_to(y.compute_backslash_indent())
1352 else:
Walter Dörwald70a6b492004-02-12 17:35:32 +00001353 assert 0, "bogus continuation type %r" % (c,)
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001354 return "break"
1355
1356 # This line starts a brand new stmt; indent relative to
1357 # indentation of initial line of closest preceding
1358 # interesting stmt.
1359 indent = y.get_base_indent_string()
1360 text.insert("insert", indent)
1361 if y.is_block_opener():
1362 self.smart_indent_event(event)
1363 elif indent and y.is_block_closer():
1364 self.smart_backspace_event(event)
1365 return "break"
1366 finally:
1367 text.see("insert")
1368 text.undo_block_stop()
1369
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001370 # Our editwin provides a is_char_in_string function that works
1371 # with a Tk text index, but PyParse only knows about offsets into
1372 # a string. This builds a function for PyParse that accepts an
1373 # offset.
1374
1375 def _build_char_in_string_func(self, startindex):
1376 def inner(offset, _startindex=startindex,
1377 _icis=self.is_char_in_string):
1378 return _icis(_startindex + "+%dc" % offset)
1379 return inner
1380
1381 def indent_region_event(self, event):
1382 head, tail, chars, lines = self.get_region()
1383 for pos in range(len(lines)):
1384 line = lines[pos]
1385 if line:
1386 raw, effective = classifyws(line, self.tabwidth)
1387 effective = effective + self.indentwidth
1388 lines[pos] = self._make_blanks(effective) + line[raw:]
1389 self.set_region(head, tail, chars, lines)
1390 return "break"
1391
1392 def dedent_region_event(self, event):
1393 head, tail, chars, lines = self.get_region()
1394 for pos in range(len(lines)):
1395 line = lines[pos]
1396 if line:
1397 raw, effective = classifyws(line, self.tabwidth)
1398 effective = max(effective - self.indentwidth, 0)
1399 lines[pos] = self._make_blanks(effective) + line[raw:]
1400 self.set_region(head, tail, chars, lines)
1401 return "break"
1402
1403 def comment_region_event(self, event):
1404 head, tail, chars, lines = self.get_region()
1405 for pos in range(len(lines) - 1):
1406 line = lines[pos]
1407 lines[pos] = '##' + line
1408 self.set_region(head, tail, chars, lines)
1409
1410 def uncomment_region_event(self, event):
1411 head, tail, chars, lines = self.get_region()
1412 for pos in range(len(lines)):
1413 line = lines[pos]
1414 if not line:
1415 continue
1416 if line[:2] == '##':
1417 line = line[2:]
1418 elif line[:1] == '#':
1419 line = line[1:]
1420 lines[pos] = line
1421 self.set_region(head, tail, chars, lines)
1422
1423 def tabify_region_event(self, event):
1424 head, tail, chars, lines = self.get_region()
1425 tabwidth = self._asktabwidth()
1426 for pos in range(len(lines)):
1427 line = lines[pos]
1428 if line:
1429 raw, effective = classifyws(line, tabwidth)
1430 ntabs, nspaces = divmod(effective, tabwidth)
1431 lines[pos] = '\t' * ntabs + ' ' * nspaces + line[raw:]
1432 self.set_region(head, tail, chars, lines)
1433
1434 def untabify_region_event(self, event):
1435 head, tail, chars, lines = self.get_region()
1436 tabwidth = self._asktabwidth()
1437 for pos in range(len(lines)):
Kurt B. Kaiser1b3c2692002-09-15 21:31:30 +00001438 lines[pos] = lines[pos].expandtabs(tabwidth)
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001439 self.set_region(head, tail, chars, lines)
1440
1441 def toggle_tabs_event(self, event):
1442 if self.askyesno(
1443 "Toggle tabs",
Kurt B. Kaiser6af44982005-01-19 00:22:59 +00001444 "Turn tabs " + ("on", "off")[self.usetabs] +
1445 "?\nIndent width " +
Thomas Wouters0e3f5912006-08-11 14:57:12 +00001446 ("will be", "remains at")[self.usetabs] + " 8." +
1447 "\n Note: a tab is always 8 columns",
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001448 parent=self.text):
1449 self.usetabs = not self.usetabs
Thomas Wouters0e3f5912006-08-11 14:57:12 +00001450 # Try to prevent inconsistent indentation.
1451 # User must change indent width manually after using tabs.
1452 self.indentwidth = 8
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001453 return "break"
1454
Kurt B. Kaiser6af44982005-01-19 00:22:59 +00001455 # XXX this isn't bound to anything -- see tabwidth comments
1456## def change_tabwidth_event(self, event):
1457## new = self._asktabwidth()
1458## if new != self.tabwidth:
1459## self.tabwidth = new
1460## self.set_indentation_params(0, guess=0)
1461## return "break"
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001462
1463 def change_indentwidth_event(self, event):
1464 new = self.askinteger(
1465 "Indent width",
Kurt B. Kaiser6af44982005-01-19 00:22:59 +00001466 "New indent width (2-16)\n(Always use 8 when using tabs)",
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001467 parent=self.text,
1468 initialvalue=self.indentwidth,
1469 minvalue=2,
1470 maxvalue=16)
Kurt B. Kaiser6af44982005-01-19 00:22:59 +00001471 if new and new != self.indentwidth and not self.usetabs:
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001472 self.indentwidth = new
1473 return "break"
1474
1475 def get_region(self):
1476 text = self.text
1477 first, last = self.get_selection_indices()
1478 if first and last:
1479 head = text.index(first + " linestart")
1480 tail = text.index(last + "-1c lineend +1c")
1481 else:
1482 head = text.index("insert linestart")
1483 tail = text.index("insert lineend +1c")
1484 chars = text.get(head, tail)
Kurt B. Kaiser1b3c2692002-09-15 21:31:30 +00001485 lines = chars.split("\n")
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001486 return head, tail, chars, lines
1487
1488 def set_region(self, head, tail, chars, lines):
1489 text = self.text
Kurt B. Kaiser1b3c2692002-09-15 21:31:30 +00001490 newchars = "\n".join(lines)
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001491 if newchars == chars:
1492 text.bell()
1493 return
1494 text.tag_remove("sel", "1.0", "end")
1495 text.mark_set("insert", head)
1496 text.undo_block_start()
1497 text.delete(head, tail)
1498 text.insert(head, newchars)
1499 text.undo_block_stop()
1500 text.tag_add("sel", head, "insert")
1501
1502 # Make string that displays as n leading blanks.
1503
1504 def _make_blanks(self, n):
1505 if self.usetabs:
1506 ntabs, nspaces = divmod(n, self.tabwidth)
1507 return '\t' * ntabs + ' ' * nspaces
1508 else:
1509 return ' ' * n
1510
1511 # Delete from beginning of line to insert point, then reinsert
1512 # column logical (meaning use tabs if appropriate) spaces.
1513
1514 def reindent_to(self, column):
1515 text = self.text
1516 text.undo_block_start()
1517 if text.compare("insert linestart", "!=", "insert"):
1518 text.delete("insert linestart", "insert")
1519 if column:
1520 text.insert("insert", self._make_blanks(column))
1521 text.undo_block_stop()
1522
1523 def _asktabwidth(self):
1524 return self.askinteger(
1525 "Tab width",
Kurt B. Kaiserca7329c2005-06-12 05:19:23 +00001526 "Columns per tab? (2-16)",
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001527 parent=self.text,
1528 initialvalue=self.indentwidth,
1529 minvalue=2,
1530 maxvalue=16) or self.tabwidth
1531
1532 # Guess indentwidth from text content.
1533 # Return guessed indentwidth. This should not be believed unless
1534 # it's in a reasonable range (e.g., it will be 0 if no indented
1535 # blocks are found).
1536
1537 def guess_indent(self):
1538 opener, indented = IndentSearcher(self.text, self.tabwidth).run()
1539 if opener and indented:
1540 raw, indentsmall = classifyws(opener, self.tabwidth)
1541 raw, indentlarge = classifyws(indented, self.tabwidth)
1542 else:
1543 indentsmall = indentlarge = 0
1544 return indentlarge - indentsmall
1545
1546# "line.col" -> line, as an int
1547def index2line(index):
1548 return int(float(index))
1549
1550# Look at the leading whitespace in s.
1551# Return pair (# of leading ws characters,
1552# effective # of leading blanks after expanding
1553# tabs to width tabwidth)
1554
1555def classifyws(s, tabwidth):
1556 raw = effective = 0
1557 for ch in s:
1558 if ch == ' ':
1559 raw = raw + 1
1560 effective = effective + 1
1561 elif ch == '\t':
1562 raw = raw + 1
1563 effective = (effective // tabwidth + 1) * tabwidth
1564 else:
1565 break
1566 return raw, effective
1567
1568import tokenize
1569_tokenize = tokenize
1570del tokenize
1571
Kurt B. Kaiserdcba6622004-12-21 22:10:32 +00001572class IndentSearcher(object):
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001573
1574 # .run() chews over the Text widget, looking for a block opener
1575 # and the stmt following it. Returns a pair,
1576 # (line containing block opener, line containing stmt)
1577 # Either or both may be None.
1578
1579 def __init__(self, text, tabwidth):
1580 self.text = text
1581 self.tabwidth = tabwidth
1582 self.i = self.finished = 0
1583 self.blkopenline = self.indentedline = None
1584
1585 def readline(self):
1586 if self.finished:
1587 return ""
1588 i = self.i = self.i + 1
Walter Dörwald70a6b492004-02-12 17:35:32 +00001589 mark = repr(i) + ".0"
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001590 if self.text.compare(mark, ">=", "end"):
1591 return ""
1592 return self.text.get(mark, mark + " lineend+1c")
1593
1594 def tokeneater(self, type, token, start, end, line,
1595 INDENT=_tokenize.INDENT,
1596 NAME=_tokenize.NAME,
1597 OPENERS=('class', 'def', 'for', 'if', 'try', 'while')):
1598 if self.finished:
1599 pass
1600 elif type == NAME and token in OPENERS:
1601 self.blkopenline = line
1602 elif type == INDENT and self.blkopenline:
1603 self.indentedline = line
1604 self.finished = 1
1605
1606 def run(self):
1607 save_tabsize = _tokenize.tabsize
1608 _tokenize.tabsize = self.tabwidth
1609 try:
1610 try:
Trent Nelson428de652008-03-18 22:41:35 +00001611 tokens = _tokenize.generate_tokens(self.readline)
1612 for token in tokens:
1613 self.tokeneater(*token)
Kurt B. Kaisercb7a3832002-09-14 02:34:23 +00001614 except _tokenize.TokenError:
1615 # since we cut off the tokenizer early, we can trigger
1616 # spurious errors
1617 pass
1618 finally:
1619 _tokenize.tabsize = save_tabsize
1620 return self.blkopenline, self.indentedline
1621
1622### end autoindent code ###
1623
David Scherer7aced172000-08-15 01:13:23 +00001624def prepstr(s):
1625 # Helper to extract the underscore from a string, e.g.
1626 # prepstr("Co_py") returns (2, "Copy").
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +00001627 i = s.find('_')
David Scherer7aced172000-08-15 01:13:23 +00001628 if i >= 0:
1629 s = s[:i] + s[i+1:]
1630 return i, s
1631
1632
1633keynames = {
1634 'bracketleft': '[',
1635 'bracketright': ']',
1636 'slash': '/',
1637}
1638
Kurt B. Kaiser610c7e02004-04-24 03:01:48 +00001639def get_accelerator(keydefs, eventname):
1640 keylist = keydefs.get(eventname)
Ned Deily70063932011-01-29 18:29:01 +00001641 # issue10940: temporary workaround to prevent hang with OS X Cocoa Tk 8.5
1642 # if not keylist:
1643 if (not keylist) or (macosxSupport.runningAsOSXApp() and eventname in {
1644 "<<open-module>>",
1645 "<<goto-line>>",
1646 "<<change-indentwidth>>"}):
David Scherer7aced172000-08-15 01:13:23 +00001647 return ""
1648 s = keylist[0]
Kurt B. Kaiser220ecbc2002-09-16 02:13:15 +00001649 s = re.sub(r"-[a-z]\b", lambda m: m.group().upper(), s)
David Scherer7aced172000-08-15 01:13:23 +00001650 s = re.sub(r"\b\w+\b", lambda m: keynames.get(m.group(), m.group()), s)
1651 s = re.sub("Key-", "", s)
1652 s = re.sub("Cancel","Ctrl-Break",s) # dscherer@cmu.edu
1653 s = re.sub("Control-", "Ctrl-", s)
1654 s = re.sub("-", "+", s)
1655 s = re.sub("><", " ", s)
1656 s = re.sub("<", "", s)
1657 s = re.sub(">", "", s)
1658 return s
1659
1660
1661def fixwordbreaks(root):
1662 # Make sure that Tk's double-click and next/previous word
1663 # operations use our definition of a word (i.e. an identifier)
1664 tk = root.tk
1665 tk.call('tcl_wordBreakAfter', 'a b', 0) # make sure word.tcl is loaded
1666 tk.call('set', 'tcl_wordchars', '[a-zA-Z0-9_]')
1667 tk.call('set', 'tcl_nonwordchars', '[^a-zA-Z0-9_]')
1668
1669
1670def test():
1671 root = Tk()
1672 fixwordbreaks(root)
1673 root.withdraw()
1674 if sys.argv[1:]:
1675 filename = sys.argv[1]
1676 else:
1677 filename = None
1678 edit = EditorWindow(root=root, filename=filename)
1679 edit.set_close_hook(root.quit)
Guido van Rossum8ce8a782007-11-01 19:42:39 +00001680 edit.text.bind("<<close-all-windows>>", edit.close_event)
David Scherer7aced172000-08-15 01:13:23 +00001681 root.mainloop()
1682 root.destroy()
1683
1684if __name__ == '__main__':
1685 test()