mirror of https://github.com/python/cpython
150 lines
4.5 KiB
Python
150 lines
4.5 KiB
Python
from Tkinter import *
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from idlelib.EditorWindow import EditorWindow
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import re
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import tkMessageBox
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from idlelib import IOBinding
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class OutputWindow(EditorWindow):
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"""An editor window that can serve as an output file.
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Also the future base class for the Python shell window.
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This class has no input facilities.
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"""
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def __init__(self, *args):
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EditorWindow.__init__(self, *args)
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self.text.bind("<<goto-file-line>>", self.goto_file_line)
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# Customize EditorWindow
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def ispythonsource(self, filename):
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# No colorization needed
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return 0
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def short_title(self):
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return "Output"
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def maybesave(self):
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# Override base class method -- don't ask any questions
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if self.get_saved():
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return "yes"
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else:
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return "no"
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# Act as output file
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def write(self, s, tags=(), mark="insert"):
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# Tk assumes that byte strings are Latin-1;
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# we assume that they are in the locale's encoding
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if isinstance(s, str):
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try:
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s = unicode(s, IOBinding.encoding)
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except UnicodeError:
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# some other encoding; let Tcl deal with it
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pass
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self.text.insert(mark, s, tags)
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self.text.see(mark)
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self.text.update()
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def writelines(self, lines):
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for line in lines:
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self.write(line)
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def flush(self):
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pass
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# Our own right-button menu
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rmenu_specs = [
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("Cut", "<<cut>>", "rmenu_check_cut"),
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("Copy", "<<copy>>", "rmenu_check_copy"),
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("Paste", "<<paste>>", "rmenu_check_paste"),
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(None, None, None),
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("Go to file/line", "<<goto-file-line>>", None),
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]
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file_line_pats = [
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# order of patterns matters
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r'file "([^"]*)", line (\d+)',
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r'([^\s]+)\((\d+)\)',
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r'^(\s*\S.*?):\s*(\d+):', # Win filename, maybe starting with spaces
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r'([^\s]+):\s*(\d+):', # filename or path, ltrim
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r'^\s*(\S.*?):\s*(\d+):', # Win abs path with embedded spaces, ltrim
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]
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file_line_progs = None
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def goto_file_line(self, event=None):
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if self.file_line_progs is None:
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l = []
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for pat in self.file_line_pats:
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l.append(re.compile(pat, re.IGNORECASE))
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self.file_line_progs = l
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# x, y = self.event.x, self.event.y
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# self.text.mark_set("insert", "@%d,%d" % (x, y))
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line = self.text.get("insert linestart", "insert lineend")
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result = self._file_line_helper(line)
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if not result:
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# Try the previous line. This is handy e.g. in tracebacks,
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# where you tend to right-click on the displayed source line
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line = self.text.get("insert -1line linestart",
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"insert -1line lineend")
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result = self._file_line_helper(line)
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if not result:
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tkMessageBox.showerror(
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"No special line",
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"The line you point at doesn't look like "
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"a valid file name followed by a line number.",
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master=self.text)
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return
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filename, lineno = result
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edit = self.flist.open(filename)
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edit.gotoline(lineno)
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def _file_line_helper(self, line):
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for prog in self.file_line_progs:
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match = prog.search(line)
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if match:
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filename, lineno = match.group(1, 2)
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try:
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f = open(filename, "r")
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f.close()
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break
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except IOError:
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continue
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else:
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return None
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try:
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return filename, int(lineno)
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except TypeError:
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return None
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# These classes are currently not used but might come in handy
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class OnDemandOutputWindow:
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tagdefs = {
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# XXX Should use IdlePrefs.ColorPrefs
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"stdout": {"foreground": "blue"},
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"stderr": {"foreground": "#007700"},
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}
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def __init__(self, flist):
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self.flist = flist
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self.owin = None
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def write(self, s, tags, mark):
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if not self.owin:
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self.setup()
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self.owin.write(s, tags, mark)
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def setup(self):
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self.owin = owin = OutputWindow(self.flist)
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text = owin.text
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for tag, cnf in self.tagdefs.items():
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if cnf:
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text.tag_configure(tag, **cnf)
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text.tag_raise('sel')
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self.write = self.owin.write
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