def main():
from Percolator import Percolator
root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", root.quit)
text = Text(background="white")
text.pack(expand=1, fill="both")
text.focus_set()
p = Percolator(text)
d = ColorDelegator()
p.insertfilter(d)
root.mainloop()
def main():
from Percolator import Percolator
root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", root.quit)
text = Text()
text.pack()
text.focus_set()
p = Percolator(text)
d = UndoDelegator()
p.insertfilter(d)
root.mainloop()
def main():
from Percolator import Percolator
root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", root.quit)
text = Text()
text.pack()
text.focus_set()
p = Percolator(text)
d = UndoDelegator()
p.insertfilter(d)
root.mainloop()
def main():
from Percolator import Percolator
root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", root.quit)
text = Text(background="white")
text.pack(expand=1, fill="both")
text.focus_set()
p = Percolator(text)
d = ColorDelegator()
p.insertfilter(d)
root.mainloop()
def main():
from Percolator import Percolator
root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", root.quit)
text = Text()
text.pack()
text.focus_set()
p = Percolator(text)
d = UndoDelegator()
p.insertfilter(d)
keylist = ['<Control-KeyPress-z>', '<Control-KeyPress-Z>']
text.event_add("<<undo>>", *keylist)
#root.bind( '<Control-KeyPress-z>',lambda e=None,d=d:d.event_generate("<<undo>>") )
root.mainloop()
def main():
from Percolator import Percolator
root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", root.quit)
text = Text()
text.pack()
text.focus_set()
p = Percolator(text)
d = UndoDelegator()
p.insertfilter(d)
keylist = ['<Control-KeyPress-z>','<Control-KeyPress-Z>']
text.event_add("<<undo>>", *keylist)
#root.bind( '<Control-KeyPress-z>',lambda e=None,d=d:d.event_generate("<<undo>>") )
root.mainloop()
def _color_delegator(parent): # htest #
from tkinter import Toplevel, Text
from Percolator import Percolator
top = Toplevel(parent)
top.title("Test ColorDelegator")
top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200,
parent.winfo_rooty() + 150))
source = "if somename: x = 'abc' # comment\nprint\n"
text = Text(top, background="white")
text.pack(expand=1, fill="both")
text.insert("insert", source)
text.focus_set()
p = Percolator(text)
d = ColorDelegator()
p.insertfilter(d)
def __init__(self, parent_frame, editwin, title=None, **kwargs):
self.editwin = editwin
self.title = title
self.tab_initialized = False
kwargs.setdefault('width',
idleConf.GetOption('main', 'EditorPage', 'width'))
kwargs.setdefault('height',
idleConf.GetOption('main', 'EditorPage', 'height'))
self.text = MultiCallCreator(Text)(parent_frame, **kwargs)
self.color = None # initialized in reset_colorizer
self.per = Percolator(self.text)
self.undo = self.editwin.UndoDelegator()
self.per.insertfilter(self.undo)
self.text.undo_block_start = self.undo.undo_block_start
self.text.undo_block_stop = self.undo.undo_block_stop
self.io = IOBinding.IOBinding(self)
self.undo.set_saved_change_hook(self.saved_change_hook)
self.io.set_filename_change_hook(self.filename_change_hook)
self.reset_colorizer()
self._setup_bindings()
def _undo_delegator(parent):
from Percolator import Percolator
root = Tk()
root.title("Test UndoDelegator")
width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
root.geometry("+%d+%d"%(x, y + 150))
text = Text(root)
text.config(height=10)
text.pack()
text.focus_set()
p = Percolator(text)
d = UndoDelegator()
p.insertfilter(d)
undo = Button(root, text="Undo", command=lambda:d.undo_event(None))
undo.pack(side='left')
redo = Button(root, text="Redo", command=lambda:d.redo_event(None))
redo.pack(side='left')
dump = Button(root, text="Dump", command=lambda:d.dump_event(None))
dump.pack(side='left')
root.mainloop()
def _undo_delegator(parent):
from Percolator import Percolator
root = Tk()
root.title("Test UndoDelegator")
width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
root.geometry("+%d+%d"%(x, y + 150))
text = Text(root)
text.config(height=10)
text.pack()
text.focus_set()
p = Percolator(text)
d = UndoDelegator()
p.insertfilter(d)
undo = Button(root, text="Undo", command=lambda:d.undo_event(None))
undo.pack(side='left')
redo = Button(root, text="Redo", command=lambda:d.redo_event(None))
redo.pack(side='left')
dump = Button(root, text="Dump", command=lambda:d.dump_event(None))
dump.pack(side='left')
root.mainloop()
def addFiltersFromIDLE(self):
"""
Adds syntax colors, undo, replace, find, goto, indent, commment
functionality from IDLE to the text widget
"""
textWidget = self.textWidget
p = Percolator(textWidget)
p.insertfilter(ColorDelegator()) # Python syntax coloring
undo = UndoDelegator()
p.insertfilter(undo) # Undo/Redo feature
# This is used to undo stuff done with replace, indent, comment, etc.
textWidget.undo_block_start = undo.undo_block_start
textWidget.undo_block_stop = undo.undo_block_stop
#----------------- Bind virtual events to the text widget ------------------
textWidget.bind(
"<<replace>>",
lambda e=None, self=self: ReplaceDialog.replace(self.textWidget))
textWidget.bind(
"<<find>>",
lambda e=None, self=self: SearchDialog.find(self.textWidget))
textWidget.bind("<<goto-line>>",
lambda e=None, self=self: goto_line_event(self))
textWidget.bind("<<add-indent>>",
lambda e=None, self=self: indent_region_event(self))
textWidget.bind("<<del-indent>>",
lambda e=None, self=self: dedent_region_event(self))
textWidget.bind("<<add-comment>>",
lambda e=None, self=self: comment_region_event(self))
textWidget.bind("<<del-comment>>",
lambda e=None, self=self: uncomment_region_event(self))
textWidget.bind("<<select-all>>",
lambda e=None, self=self: select_all(self))
textWidget.bind("<<deselect-all>>",
lambda e=None, self=self: deselect_all(self))
textWidget.bind("<<paste>>", lambda e=None, self=self: paste(self))
textWidget.bind("<<copy>>", lambda e=None, self=self: copy(self))
textWidget.bind("<<cut>>", lambda e=None, self=self: cut(self))
textWidget.bind("<<popup-menu>>",
lambda e=None, self=self: popupMenu(self, e))
textWidget.bind("<<open>>", lambda e=None, self=self: Open(self))
textWidget.bind("<<save>>", lambda e=None, self=self: SaveAs(self))
#---------------- Give virtual events a concrete keybinding ----------------
for key, value in KEY_DICT.iteritems():
textWidget.event_add(key, *value)
def __init__(self, parent_frame, editwin, title=None, **kwargs):
self.editwin = editwin
self.title = title
self.tab_initialized = False
kwargs.setdefault('width', idleConf.GetOption('main', 'EditorPage',
'width'))
kwargs.setdefault('height', idleConf.GetOption('main', 'EditorPage',
'height'))
self.text = MultiCallCreator(Text)(parent_frame, **kwargs)
self.color = None # initialized in reset_colorizer
self.per = Percolator(self.text)
self.undo = self.editwin.UndoDelegator()
self.per.insertfilter(self.undo)
self.text.undo_block_start = self.undo.undo_block_start
self.text.undo_block_stop = self.undo.undo_block_stop
self.io = IOBinding.IOBinding(self)
self.undo.set_saved_change_hook(self.saved_change_hook)
self.io.set_filename_change_hook(self.filename_change_hook)
self.reset_colorizer()
self._setup_bindings()
import time
import sys
import sys
class EditorPage(object):
rmenu = None
rmenu_specs = [
("Set Breakpoint", "<<set-breakpoint-here>>"),
("Clear Breakpoint", "<<clear-breakpoint-here>>")
]
def __init__(self, parent_frame, editwin, title=None, **kwargs):
self.editwin = editwin
self.title = title
self.tab_initialized = False
kwargs.setdefault('width', idleConf.GetOption('main', 'EditorPage',
'width'))
kwargs.setdefault('height', idleConf.GetOption('main', 'EditorPage',
'height'))
self.text = MultiCallCreator(Text)(parent_frame, **kwargs)
self.color = None # initialized in reset_colorizer
self.per = Percolator(self.text)
self.undo = self.editwin.UndoDelegator()
self.per.insertfilter(self.undo)
self.text.undo_block_start = self.undo.undo_block_start
self.text.undo_block_stop = self.undo.undo_block_stop
self.io = IOBinding.IOBinding(self)
self.undo.set_saved_change_hook(self.saved_change_hook)
self.io.set_filename_change_hook(self.filename_change_hook)
self.reset_colorizer()
self._setup_bindings()
def post_init(self, filename=None, update_window_title=False):
if filename:
if os.path.exists(filename) and not os.path.isdir(filename):
self.io.loadfile(filename)
else:
self.io.set_filename(filename)
self.saved_change_hook(update_window_title=update_window_title)
self.tab_initialized = True
def close_tab(self, event=None):
"""Close current tab, if no more tabs present, close the window."""
if hasattr(self.editwin, 'interp'):
# this is a PyShell, don't ask to save
reply = 'yes'
else:
reply = str(self.maybesave())
if reply != "cancel":
if self.io.filename:
self.editwin.update_recent_files_list(new_file=self.io.filename)
self.close()
self.editwin.text_notebook.remove_page(self.title)
self.editwin.top.event_generate('<<tab-closed>>')
return reply
def close(self):
"""Perform necessary cleanup for this page before closing it."""
self.io.close()
self.io = None
self.undo = None
if self.color:
self.color.close(False)
self.color = None
self.per.close()
self.per = None
self.text = None
# XXX (1) mark where these functions are used
def saved_change_hook(self,update_window_title=False,update_tab_title=True):
short = self.editwin.short_title()
long = self.long_title()
if short and long:
title = short + " - " + long
tabtitle = os.path.split(long)[-1]
elif short:
title = short
tabtitle = short
elif long:
title = long
tabtitle = os.path.split(long)[-1]
else:
title = tabtitle = "Untitled"
icon = short or long or title
if not self.get_saved():
title = "*%s*" % title
tabtitle = "*%s*" % tabtitle
icon = "*%s" % icon
if update_tab_title:
self.editwin.text_notebook.update_tabtitle(self, tabtitle)
if update_window_title or (
update_window_title is None and self.tab_initialized):
self.editwin.top.wm_title(title)
self.editwin.top.wm_iconname(icon)
def get_saved(self):
return self.undo.get_saved()
def set_saved(self, flag):
self.undo.set_saved(flag)
def filename_change_hook(self):
if self.editwin.flist:
self.editwin.flist.filename_changed_edit(self, self.editwin)
self.saved_change_hook(self.tab_initialized)
self.editwin.top.update_windowlist_registry(self.editwin)
self.reset_colorizer()
def reset_undo(self):
self.undo.reset_undo()
def reset_colorizer(self):
"Update the colour theme"
# Called from self.filename_change_hook and from configDialog.py
self.__rmcolorizer()
self.__addcolorizer()
theme = idleConf.GetOption('main','Theme','name')
normal_colors = idleConf.GetHighlight(theme, 'normal')
cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg')
select_colors = idleConf.GetHighlight(theme, 'hilite')
self.text.config(
foreground=normal_colors['foreground'],
background=normal_colors['background'],
insertbackground=cursor_color,
selectforeground=select_colors['foreground'],
selectbackground=select_colors['background'])
def short_title(self):
filename = self.io.filename
if filename:
filename = os.path.basename(filename)
# return unicode string to display non-ASCII chars correctly
return filename_to_unicode(filename)
def long_title(self):
# return unicode string to display non-ASCII chars correctly
return filename_to_unicode(self.io.filename or "")
def maybesave(self):
if self.io:
if not self.get_saved():
if self.editwin.top.state()!= 'normal':
self.editiwn.top.deiconify()
self.editwin.top.lower()
self.editwin.top.lift()
return self.io.maybesave()
# XXX (1) end
def center(self, mark="insert"):
# Used by EditorWindow.gotoline
text = self.text
top, bot = self._getwindowlines()
lineno = self._getlineno(mark)
height = bot - top
newtop = max(1, lineno - height//2)
text.yview(float(newtop))
def ispythonsource(self, filename):
if not filename or os.path.isdir(filename):
return True
base, ext = os.path.splitext(os.path.basename(filename))
if os.path.normcase(ext) in (".py", ".pyw"):
return True
try:
f = open(filename)
line = f.readline()
f.close()
except IOError:
return False
return line.startswith('#!') and line.find('python') >= 0
def newline_and_indent_event(self, event):
# Used by EditorWindow.newline_and_indent_event which is used by PyShell
text = self.text
first, last = self.get_selection_indices()
text.undo_block_start()
try:
if first and last:
text.delete(first, last)
text.mark_set("insert", first)
line = text.get("insert linestart", "insert")
i, n = 0, len(line)
while i < n and line[i] in " \t":
i = i+1
if i == n:
# the cursor is in or at leading indentation in a continuation
# line; just inject an empty line at the start
text.insert("insert linestart", '\n')
return "break"
indent = line[:i]
# strip whitespace before insert point unless it's in the prompt
i = 0
last_line_of_prompt = sys.ps1.split('\n')[-1]
while line and line[-1] in " \t" and line != last_line_of_prompt:
line = line[:-1]
i = i+1
if i:
text.delete("insert - %d chars" % i, "insert")
# strip whitespace after insert point
while text.get("insert") in " \t":
text.delete("insert")
# start new line
text.insert("insert", '\n')
# adjust indentation for continuations and block
# open/close first need to find the last stmt
lno = index2line(text.index('insert'))
#print self.editwin.indentwidth, self.editwin.tabwidth
y = PyParse.Parser(self.editwin.indentwidth, self.editwin.tabwidth)
if not self.editwin.context_use_ps1:
for context in self.editwin.num_context_lines:
startat = max(lno - context, 1)
startatindex = `startat` + ".0"
rawtext = text.get(startatindex, "insert")
y.set_str(rawtext)
bod = y.find_good_parse_start(
self.editwin.context_use_ps1,
self.build_char_in_string_func(startatindex))
if bod is not None or startat == 1:
break
y.set_lo(bod or 0)
else:
r = text.tag_prevrange("console", "insert")
if r:
startatindex = r[1]
else:
startatindex = "1.0"
rawtext = text.get(startatindex, "insert")
y.set_str(rawtext)
y.set_lo(0)
c = y.get_continuation_type()
if c != PyParse.C_NONE:
# The current stmt hasn't ended yet.
if c == PyParse.C_STRING_FIRST_LINE:
# after the first line of a string; do not indent at all
pass
elif c == PyParse.C_STRING_NEXT_LINES:
# inside a string which started before this line;
# just mimic the current indent
text.insert("insert", indent)
elif c == PyParse.C_BRACKET:
# line up with the first (if any) element of the
# last open bracket structure; else indent one
# level beyond the indent of the line with the
# last open bracket
self.__reindent_to(y.compute_bracket_indent())
elif c == PyParse.C_BACKSLASH:
# if more than one line in this stmt already, just
# mimic the current indent; else if initial line
# has a start on an assignment stmt, indent to
# beyond leftmost =; else to beyond first chunk of
# non-whitespace on initial line
if y.get_num_lines_in_stmt() > 1:
text.insert("insert", indent)
else:
self.__reindent_to(y.compute_backslash_indent())
else:
assert 0, "bogus continuation type %r" % (c,)
return "break"
# This line starts a brand new stmt; indent relative to
# indentation of initial line of closest preceding
# interesting stmt.
indent = y.get_base_indent_string()
text.insert("insert", indent)
if y.is_block_opener():
self._smart_indent_event(event)
elif indent and y.is_block_closer():
self._smart_backspace_event(event)
return "break"
finally:
text.see("insert")
text.undo_block_stop()
# If a selection is defined in the text widget, return (start,
# end) as Tkinter text indices, otherwise return (None, None)
def get_selection_indices(self):
# Used by EditorWindow.get_selection_indices which is used by
# FormatParagraph
try:
first = self.text.index("sel.first")
last = self.text.index("sel.last")
return first, last
except TclError:
return None, None
# Our editpage provides a __is_char_in_string function that works
# with a Tk text index, but PyParse only knows about offsets into
# a string. This builds a function for PyParse that accepts an
# offset.
def build_char_in_string_func(self, startindex):
# Used by EditorWindow.build_char_in_string_func which is used by
# HyperParser
def inner(offset, _startindex=startindex,
_icis=self.__is_char_in_string):
return _icis(_startindex + "+%dc" % offset)
return inner
def _setup_bindings(self):
text = self.text
def bind_them(to_bind, prefix='_%s'):
for tb in to_bind:
prefix_size = tb.count('<')
method_name = tb[prefix_size:-prefix_size].replace('-', '_')
text.bind(tb, getattr(self, prefix % method_name.lower()))
actions = ('<<help>>', '<<python-docs>>',
'<<about-idle>>', '<<open-config-dialog>>', '<<open-module>>',
'<<cut>>', '<<copy>>', '<<paste>>', '<<select-all>>',
'<<remove-selection>>', '<<del-word-left>>', '<<del-word-right>>',
'<<beginning-of-line>>')
events = ('<<find>>', '<<center-insert>>', '<<find-again>>',
'<<find-in-files>>', '<<find-selection>>', '<<replace>>',
'<<goto-line>>', '<<smart-backspace>>', '<<smart-indent>>',
'<<indent-region>>', '<<dedent-region>>', '<<comment-region>>',
'<<tabify-region>>', '<<untabify-region>>', '<<toggle-tabs>>',
'<<change-indentwidth>>')
parent_actions = ('<<new-tab>>', '<<next-tab>>', '<<prev-tab>>')
bind_them(actions)
bind_them(events, prefix="_%s_event")
for action in parent_actions:
prefix_size = action.count('<')
method_name = action[prefix_size:-prefix_size].replace('-', '_')
text.bind(action, getattr(self.editwin, method_name))
text.bind('<<close-tab>>', self.close_tab)
text.bind('<<newline-and-indent>>', self.newline_and_indent_event)
text.bind("<<do-nothing>>", lambda event: "break")
text.bind("<Left>", self._move_at_edge_if_selection(0))
text.bind("<Right>", self._move_at_edge_if_selection(1))
text.bind("<3>", self._right_menu)
text.bind('<<set-line-and-column>>', self.editwin.set_line_and_column)
text.event_add("<<set-line-and-column>>",
"<KeyRelease>", "<ButtonRelease>")
if self.editwin.flist:
text.bind("<<open-new-window>>",
utils.callback(self.editwin.new_callback, self))
text.bind("<<close-all-windows>>",
self.editwin.flist.close_all_callback)
text.bind("<<open-class-browser>>", self._open_class_browser)
text.bind("<<open-path-browser>>", self._open_path_browser)
if macosxSupport.runningAsOSXApp():
# Command-W on editorwindows doesn't work without this.
text.bind('<<close-window>>', self.editwin.close_event)
def _help(self, event=None):
fn = os.path.join(os.path.abspath(os.path.dirname(__file__)),
'help.txt')
textView.view_file(self.text, 'Help', fn)
def _python_docs(self, event=None):
if sys.platform[:3] == 'win':
os.startfile(self.editwin.help_url)
else:
webbrowser.open(self.editwin.help_url)
return "break"
def _about_idle(self, event=None):
aboutDialog.AboutDialog(self.text, 'About IDLE')
def _open_class_browser(self, event=None):
filename = self.io.filename
if not filename:
tkMessageBox.showerror("No filename",
"This buffer has no associated filename",
master=self.text)
self.text.focus_set()
return None
head, tail = os.path.split(filename)
base, ext = os.path.splitext(tail)
ClassBrowser.ClassBrowser(self.editwin.flist, base, [head])
def _open_path_browser(self, event=None):
PathBrowser.PathBrowser(self.editwin.flist)
def _open_config_dialog(self, event=None):
# When changing colors and saving it, it requires the attribute
# instance_dict making necessary to pass self.editwin.top as the
# parent
configDialog.ConfigDialog(self.editwin.top, 'Settings')
def _open_module(self, event=None):
try:
name = self.text.get("sel.first", "sel.last")
except TclError:
name = ""
else:
name = name.strip()
name = tkSimpleDialog.askstring("Module",
"Enter the name of a Python module\n"
"to search on sys.path and open:",
parent=self.text, initialvalue=name)
if name:
name = name.strip()
if not name:
return
# XXX Ought to insert current file's directory in front of path
try:
(f, file, (suffix, mode, type)) = _find_module(name)
except (NameError, ImportError), msg:
tkMessageBox.showerror("Import error", str(msg), parent=self.text)
return
if type != imp.PY_SOURCE:
tkMessageBox.showerror("Unsupported type",
"%s is not a source module" % name, parent=self.text)
return
if f:
f.close()
if self.editwin.flist:
if idleConf.GetOption('main', 'EditorWindow', 'file-in-tab',
default=1, type='bool'):
self.editwin.flist.open(file)
else:
self.io.loadfile(file)
class EditorPage(object):
rmenu = None
rmenu_specs = [("Set Breakpoint", "<<set-breakpoint-here>>"),
("Clear Breakpoint", "<<clear-breakpoint-here>>")]
def __init__(self, parent_frame, editwin, title=None, **kwargs):
self.editwin = editwin
self.title = title
self.tab_initialized = False
kwargs.setdefault('width',
idleConf.GetOption('main', 'EditorPage', 'width'))
kwargs.setdefault('height',
idleConf.GetOption('main', 'EditorPage', 'height'))
self.text = MultiCallCreator(Text)(parent_frame, **kwargs)
self.color = None # initialized in reset_colorizer
self.per = Percolator(self.text)
self.undo = self.editwin.UndoDelegator()
self.per.insertfilter(self.undo)
self.text.undo_block_start = self.undo.undo_block_start
self.text.undo_block_stop = self.undo.undo_block_stop
self.io = IOBinding.IOBinding(self)
self.undo.set_saved_change_hook(self.saved_change_hook)
self.io.set_filename_change_hook(self.filename_change_hook)
self.reset_colorizer()
self._setup_bindings()
def post_init(self, filename=None, update_window_title=False):
if filename:
if os.path.exists(filename) and not os.path.isdir(filename):
self.io.loadfile(filename)
else:
self.io.set_filename(filename)
self.saved_change_hook(update_window_title=update_window_title)
self.tab_initialized = True
def close_tab(self, event=None):
"""Close current tab, if no more tabs present, close the window."""
if hasattr(self.editwin, 'interp'):
# this is a PyShell, don't ask to save
reply = 'yes'
else:
reply = str(self.maybesave())
if reply != "cancel":
if self.io.filename:
self.editwin.update_recent_files_list(
new_file=self.io.filename)
self.close()
self.editwin.text_notebook.remove_page(self.title)
self.editwin.top.event_generate('<<tab-closed>>')
return reply
def close(self):
"""Perform necessary cleanup for this page before closing it."""
self.io.close()
self.io = None
self.undo = None
if self.color:
self.color.close(False)
self.color = None
self.per.close()
self.per = None
self.text = None
# XXX (1) mark where these functions are used
def saved_change_hook(self,
update_window_title=False,
update_tab_title=True):
short = self.editwin.short_title()
long = self.long_title()
if short and long:
title = short + " - " + long
tabtitle = os.path.split(long)[-1]
elif short:
title = short
tabtitle = short
elif long:
title = long
tabtitle = os.path.split(long)[-1]
else:
title = tabtitle = "Untitled"
icon = short or long or title
if not self.get_saved():
title = "*%s*" % title
tabtitle = "*%s*" % tabtitle
icon = "*%s" % icon
if update_tab_title:
self.editwin.text_notebook.update_tabtitle(self, tabtitle)
if update_window_title or (update_window_title is None
and self.tab_initialized):
self.editwin.top.wm_title(title)
self.editwin.top.wm_iconname(icon)
def get_saved(self):
return self.undo.get_saved()
def set_saved(self, flag):
self.undo.set_saved(flag)
def filename_change_hook(self):
if self.editwin.flist:
self.editwin.flist.filename_changed_edit(self, self.editwin)
self.saved_change_hook(self.tab_initialized)
self.editwin.top.update_windowlist_registry(self.editwin)
self.reset_colorizer()
def reset_undo(self):
self.undo.reset_undo()
def reset_colorizer(self):
"Update the colour theme"
# Called from self.filename_change_hook and from configDialog.py
self.__rmcolorizer()
self.__addcolorizer()
theme = idleConf.GetOption('main', 'Theme', 'name')
normal_colors = idleConf.GetHighlight(theme, 'normal')
cursor_color = idleConf.GetHighlight(theme, 'cursor', fgBg='fg')
select_colors = idleConf.GetHighlight(theme, 'hilite')
self.text.config(foreground=normal_colors['foreground'],
background=normal_colors['background'],
insertbackground=cursor_color,
selectforeground=select_colors['foreground'],
selectbackground=select_colors['background'])
def short_title(self):
filename = self.io.filename
if filename:
filename = os.path.basename(filename)
# return unicode string to display non-ASCII chars correctly
return filename_to_unicode(filename)
def long_title(self):
# return unicode string to display non-ASCII chars correctly
return filename_to_unicode(self.io.filename or "")
def maybesave(self):
if self.io:
if not self.get_saved():
if self.editwin.top.state() != 'normal':
self.editiwn.top.deiconify()
self.editwin.top.lower()
self.editwin.top.lift()
return self.io.maybesave()
# XXX (1) end
def center(self, mark="insert"):
# Used by EditorWindow.gotoline
text = self.text
top, bot = self._getwindowlines()
lineno = self._getlineno(mark)
height = bot - top
newtop = max(1, lineno - height // 2)
text.yview(float(newtop))
def ispythonsource(self, filename):
if not filename or os.path.isdir(filename):
return True
base, ext = os.path.splitext(os.path.basename(filename))
if os.path.normcase(ext) in (".py", ".pyw"):
return True
try:
f = open(filename)
line = f.readline()
f.close()
except IOError:
return False
return line.startswith('#!') and line.find('python') >= 0
def newline_and_indent_event(self, event):
# Used by EditorWindow.newline_and_indent_event which is used by PyShell
text = self.text
first, last = self.get_selection_indices()
text.undo_block_start()
try:
if first and last:
text.delete(first, last)
text.mark_set("insert", first)
line = text.get("insert linestart", "insert")
i, n = 0, len(line)
while i < n and line[i] in " \t":
i = i + 1
if i == n:
# the cursor is in or at leading indentation in a continuation
# line; just inject an empty line at the start
text.insert("insert linestart", '\n')
return "break"
indent = line[:i]
# strip whitespace before insert point unless it's in the prompt
i = 0
last_line_of_prompt = sys.ps1.split('\n')[-1]
while line and line[-1] in " \t" and line != last_line_of_prompt:
line = line[:-1]
i = i + 1
if i:
text.delete("insert - %d chars" % i, "insert")
# strip whitespace after insert point
while text.get("insert") in " \t":
text.delete("insert")
# start new line
text.insert("insert", '\n')
# adjust indentation for continuations and block
# open/close first need to find the last stmt
lno = index2line(text.index('insert'))
#print self.editwin.indentwidth, self.editwin.tabwidth
y = PyParse.Parser(self.editwin.indentwidth, self.editwin.tabwidth)
if not self.editwin.context_use_ps1:
for context in self.editwin.num_context_lines:
startat = max(lno - context, 1)
startatindex = ` startat ` + ".0"
rawtext = text.get(startatindex, "insert")
y.set_str(rawtext)
bod = y.find_good_parse_start(
self.editwin.context_use_ps1,
self.build_char_in_string_func(startatindex))
if bod is not None or startat == 1:
break
y.set_lo(bod or 0)
else:
r = text.tag_prevrange("console", "insert")
if r:
startatindex = r[1]
else:
startatindex = "1.0"
rawtext = text.get(startatindex, "insert")
y.set_str(rawtext)
y.set_lo(0)
c = y.get_continuation_type()
if c != PyParse.C_NONE:
# The current stmt hasn't ended yet.
if c == PyParse.C_STRING_FIRST_LINE:
# after the first line of a string; do not indent at all
pass
elif c == PyParse.C_STRING_NEXT_LINES:
# inside a string which started before this line;
# just mimic the current indent
text.insert("insert", indent)
elif c == PyParse.C_BRACKET:
# line up with the first (if any) element of the
# last open bracket structure; else indent one
# level beyond the indent of the line with the
# last open bracket
self.__reindent_to(y.compute_bracket_indent())
elif c == PyParse.C_BACKSLASH:
# if more than one line in this stmt already, just
# mimic the current indent; else if initial line
# has a start on an assignment stmt, indent to
# beyond leftmost =; else to beyond first chunk of
# non-whitespace on initial line
if y.get_num_lines_in_stmt() > 1:
text.insert("insert", indent)
else:
self.__reindent_to(y.compute_backslash_indent())
else:
assert 0, "bogus continuation type %r" % (c, )
return "break"
# This line starts a brand new stmt; indent relative to
# indentation of initial line of closest preceding
# interesting stmt.
indent = y.get_base_indent_string()
text.insert("insert", indent)
if y.is_block_opener():
self._smart_indent_event(event)
elif indent and y.is_block_closer():
self._smart_backspace_event(event)
return "break"
finally:
text.see("insert")
text.undo_block_stop()
# If a selection is defined in the text widget, return (start,
# end) as Tkinter text indices, otherwise return (None, None)
def get_selection_indices(self):
# Used by EditorWindow.get_selection_indices which is used by
# FormatParagraph
try:
first = self.text.index("sel.first")
last = self.text.index("sel.last")
return first, last
except TclError:
return None, None
# Our editpage provides a __is_char_in_string function that works
# with a Tk text index, but PyParse only knows about offsets into
# a string. This builds a function for PyParse that accepts an
# offset.
def build_char_in_string_func(self, startindex):
# Used by EditorWindow.build_char_in_string_func which is used by
# HyperParser
def inner(offset,
_startindex=startindex,
_icis=self.__is_char_in_string):
return _icis(_startindex + "+%dc" % offset)
return inner
def _setup_bindings(self):
text = self.text
def bind_them(to_bind, prefix='_%s'):
for tb in to_bind:
prefix_size = tb.count('<')
method_name = tb[prefix_size:-prefix_size].replace('-', '_')
text.bind(tb, getattr(self, prefix % method_name.lower()))
actions = ('<<help>>', '<<python-docs>>', '<<about-idle>>',
'<<open-config-dialog>>', '<<open-module>>', '<<cut>>',
'<<copy>>', '<<paste>>', '<<select-all>>',
'<<remove-selection>>', '<<del-word-left>>',
'<<del-word-right>>', '<<beginning-of-line>>')
events = ('<<find>>', '<<center-insert>>', '<<find-again>>',
'<<find-in-files>>', '<<find-selection>>', '<<replace>>',
'<<goto-line>>', '<<smart-backspace>>', '<<smart-indent>>',
'<<indent-region>>', '<<dedent-region>>',
'<<comment-region>>', '<<tabify-region>>',
'<<untabify-region>>', '<<toggle-tabs>>',
'<<change-indentwidth>>')
parent_actions = ('<<new-tab>>', '<<next-tab>>', '<<prev-tab>>')
bind_them(actions)
bind_them(events, prefix="_%s_event")
for action in parent_actions:
prefix_size = action.count('<')
method_name = action[prefix_size:-prefix_size].replace('-', '_')
text.bind(action, getattr(self.editwin, method_name))
text.bind('<<close-tab>>', self.close_tab)
text.bind('<<newline-and-indent>>', self.newline_and_indent_event)
text.bind("<<do-nothing>>", lambda event: "break")
text.bind("<Left>", self._move_at_edge_if_selection(0))
text.bind("<Right>", self._move_at_edge_if_selection(1))
text.bind("<3>", self._right_menu)
text.bind('<<set-line-and-column>>', self.editwin.set_line_and_column)
text.event_add("<<set-line-and-column>>", "<KeyRelease>",
"<ButtonRelease>")
if self.editwin.flist:
text.bind("<<open-new-window>>",
utils.callback(self.editwin.new_callback, self))
text.bind("<<close-all-windows>>",
self.editwin.flist.close_all_callback)
text.bind("<<open-class-browser>>", self._open_class_browser)
text.bind("<<open-path-browser>>", self._open_path_browser)
if macosxSupport.runningAsOSXApp():
# Command-W on editorwindows doesn't work without this.
text.bind('<<close-window>>', self.editwin.close_event)
def _help(self, event=None):
fn = os.path.join(os.path.abspath(os.path.dirname(__file__)),
'help.txt')
textView.view_file(self.text, 'Help', fn)
def _python_docs(self, event=None):
if sys.platform[:3] == 'win':
os.startfile(self.editwin.help_url)
else:
webbrowser.open(self.editwin.help_url)
return "break"
def _about_idle(self, event=None):
aboutDialog.AboutDialog(self.text, 'About IDLE')
def _open_class_browser(self, event=None):
filename = self.io.filename
if not filename:
tkMessageBox.showerror("No filename",
"This buffer has no associated filename",
master=self.text)
self.text.focus_set()
return None
head, tail = os.path.split(filename)
base, ext = os.path.splitext(tail)
ClassBrowser.ClassBrowser(self.editwin.flist, base, [head])
def _open_path_browser(self, event=None):
PathBrowser.PathBrowser(self.editwin.flist)
def _open_config_dialog(self, event=None):
# When changing colors and saving it, it requires the attribute
# instance_dict making necessary to pass self.editwin.top as the
# parent
configDialog.ConfigDialog(self.editwin.top, 'Settings')
def _open_module(self, event=None):
try:
name = self.text.get("sel.first", "sel.last")
except TclError:
name = ""
else:
name = name.strip()
name = tkSimpleDialog.askstring("Module",
"Enter the name of a Python module\n"
"to search on sys.path and open:",
parent=self.text,
initialvalue=name)
if name:
name = name.strip()
if not name:
return
# XXX Ought to insert current file's directory in front of path
try:
(f, file, (suffix, mode, type)) = _find_module(name)
except (NameError, ImportError), msg:
tkMessageBox.showerror("Import error", str(msg), parent=self.text)
return
if type != imp.PY_SOURCE:
tkMessageBox.showerror("Unsupported type",
"%s is not a source module" % name,
parent=self.text)
return
if f:
f.close()
if self.editwin.flist:
if idleConf.GetOption('main',
'EditorWindow',
'file-in-tab',
default=1,
type='bool'):
self.editwin.flist.open(file)
else:
self.io.loadfile(file)
