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import gtk
import gtksourceview
from status_label import FadeLabel
from gui import GUI
import restore_session #Allows a session to be restored with "-s"
import check_unsaved #Checks that a buffer is unmodified before closing
FILE_UNNAMED = _('* Unnamed *')
HELP = \
_("""PyRoom - an adaptation of write room
Copyright (c) 2007 Nicolas Rougier, NoWhereMan
Copyright (c) 2008 Bruno Bord
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Usage:
------
Usage: pyroom [-v] [--style={style name}] file1 file2
style can be either 'blue', 'green', 'darkgreen', 'banker', 'cupid'
'locontrast', 'c64'
Commands:
---------
Control-H: Show help in a new buffer
Control-I: Show buffer information
Control-L: Toggle line number
Control-N: Create a new buffer
Control-O: Open a file in a new buffer
Control-Q: Quit
Control-S: Save current buffer
Control-Shift-S: Save current buffer as
Control-W: Close buffer and exit if it was the last buffer
Control-Y: Redo last typing
Control-Z: Undo last typing
Control-Page Up: Switch to previous buffer
Control-Page Down: Switch to next buffer
Control-Plus: Increases font size
Control-Minus: Decreases font size
Warnings:
---------
No autosave.
No question whether to close a modified buffer or not
""")
class BasicEdit():
def __init__(self,style,verbose, ret):
self.ret = ret
self.style = style
self.gui = GUI(style)
self.status = self.gui.status
self.window = self.gui.window
self.textbox = self.gui.textbox
self.new_buffer()
restore_session.open_session(self, ret)
self.textbox.connect('key-press-event', self.key_press_event)
self.status.set_text(
_('Welcome to PyRoom 1.0, type Control-H for help'))
self.window.show_all()
self.window.fullscreen()
def key_press_event(self, widget, event):
""" key press event dispatcher """
bindings = {
gtk.keysyms.Page_Up: self.prev_buffer,
gtk.keysyms.Page_Down: self.next_buffer,
gtk.keysyms.h: self.show_help,
gtk.keysyms.H: self.show_help,
gtk.keysyms.i: self.show_info,
gtk.keysyms.I: self.show_info,
gtk.keysyms.l: self.toggle_lines,
gtk.keysyms.L: self.toggle_lines,
gtk.keysyms.n: self.new_buffer,
gtk.keysyms.N: self.new_buffer,
gtk.keysyms.o: self.open_file,
gtk.keysyms.O: self.open_file,
gtk.keysyms.q: self.quit,
gtk.keysyms.Q: self.quit,
gtk.keysyms.s: self.save_file,
gtk.keysyms.S: self.save_file,
gtk.keysyms.w: self.close_buffer,
gtk.keysyms.W: self.close_buffer,
gtk.keysyms.y: self.redo,
gtk.keysyms.Y: self.redo,
gtk.keysyms.z: self.undo,
gtk.keysyms.Z: self.undo,
gtk.keysyms.plus: self.gui.plus,
gtk.keysyms.equal: self.gui.plus,
gtk.keysyms.minus: self.gui.minus,
}
if event.state & gtk.gdk.CONTROL_MASK:
# Special case for Control-Shift-s
if event.state & gtk.gdk.SHIFT_MASK:
print event.keyval
if event.state & gtk.gdk.SHIFT_MASK and event.keyval\
== gtk.keysyms.S:
self.edit.save_file_as()
return True
if bindings.has_key(event.keyval):
bindings[event.keyval]()
return True
return False
current = 0
buffers = []
def show_info(self):
""" Display buffer information on status label for 5 seconds """
buffer = self.buffers[self.current]
if buffer.can_undo() or buffer.can_redo():
status = _(' (modified)')
else:
status = ''
self.status.set_text(_('Buffer %(buffer_id)d: %(buffer_name)s%(status)s, %(char_count)d byte(s), %(word_count)d word(s), %(lines)d line(s)') % {
'buffer_id': self.current + 1,
'buffer_name': buffer.filename,
'status': status,
'char_count': buffer.get_char_count(),
'word_count': self.word_count(buffer),
'lines': buffer.get_line_count(),
}, 5000)
def undo(self):
""" Undo last typing """
buffer = self.textbox.get_buffer()
if buffer.can_undo():
buffer.undo()
else:
self.status.set_text(_('No more undo!'))
def redo(self):
""" Redo last typing """
buffer = self.textbox.get_buffer()
if buffer.can_redo():
buffer.redo()
else:
self.status.set_text(_('No more redo!'))
def toggle_lines(self):
""" Toggle lines number """
b = not self.textbox.get_show_line_numbers()
self.textbox.set_show_line_numbers(b)
def open_file(self):
""" Open file """
chooser = gtk.FileChooserDialog('PyRoom', self.window,
gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK))
chooser.set_default_response(gtk.RESPONSE_OK)
res = chooser.run()
if res == gtk.RESPONSE_OK:
buffer = self.new_buffer()
buffer.filename = chooser.get_filename()
try:
f = open(buffer.filename, 'r')
buffer = self.buffers[self.current]
buffer.begin_not_undoable_action()
utf8 = unicode(f.read(), 'utf-8')
buffer.set_text(utf8)
buffer.end_not_undoable_action()
f.close()
self.status.set_text(_('File %s open')
% buffer.filename)
except IOError, (errno, strerror):
errortext = '''Unable to open %(filename)s.''' % {'filename': buffer.filename}
if errno == 2:
errortext += ' The file does not exist.'
elif errno == 13:
errortext += ' You do not have permission to open the file.'
buffer.set_text(_(errortext))
if verbose:
print ('''Unable to open %(filename)s. %(traceback)s'''
% {'filename': buffer.filename, 'traceback': traceback.format_exc()})
self.status.set_text(_('Failed to open %s')
% buffer.filename)
buffer.filename = FILE_UNNAMED
except:
buffer.set_text(_('Unable to open %s\n'
% buffer.filename))
if verbose:
print ('''Unable to open %(filename)s. %(traceback)s'''
% {'filename': buffer.filename,
'traceback': traceback.format_exc()})
buffer.filename = FILE_UNNAMED
else:
self.status.set_text(_('Closed, no files selected'))
chooser.destroy()
def save_file(self):
""" Save file """
buffer = self.buffers[self.current]
if buffer.filename != FILE_UNNAMED:
f = open(buffer.filename, 'w')
txt = buffer.get_text(buffer.get_start_iter(),
buffer.get_end_iter())
f.write(txt)
f.close()
buffer.begin_not_undoable_action()
buffer.end_not_undoable_action()
self.status.set_text(_('File %s saved') % buffer.filename)
else:
self.save_file_as()
def save_file_as(self):
""" Save file as """
buffer = self.buffers[self.current]
chooser = gtk.FileChooserDialog('PyRoom', self.window,
gtk.FILE_CHOOSER_ACTION_SAVE,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE, gtk.RESPONSE_OK))
chooser.set_default_response(gtk.RESPONSE_OK)
if buffer.filename != FILE_UNNAMED:
chooser.set_filename(buffer.filename)
res = chooser.run()
if res == gtk.RESPONSE_OK:
buffer.filename = chooser.get_filename()
self.save_file()
else:
self.status.set_text(_('Closed, no files selected'))
chooser.destroy()
# BB
def word_count(self, buffer):
""" Word count in a text buffer """
iter1 = buffer.get_start_iter()
iter2 = iter1.copy()
iter2.forward_word_end()
count = 0
while iter2.get_offset() != iter1.get_offset():
count += 1
iter1 = iter2.copy()
iter2.forward_word_end()
return count
def show_help(self):
""" Create a new buffer and inserts help """
buffer = self.new_buffer()
buffer.begin_not_undoable_action()
buffer.set_text(HELP)
buffer.end_not_undoable_action()
def new_buffer(self):
""" Create a new buffer """
buffer = gtksourceview.SourceBuffer()
buffer.set_check_brackets(False)
buffer.set_highlight(False)
buffer.filename = FILE_UNNAMED
self.buffers.insert(self.current + 1, buffer)
buffer.place_cursor(buffer.get_start_iter())
self.next_buffer()
return buffer
def close_buffer(self):
""" Close current buffer """
check_unsaved.check_unsaved_buffer(self)
if len(self.buffers) > 1:
self.buffers.pop(self.current)
self.current = min(len(self.buffers) - 1, self.current)
self.set_buffer(self.current)
else:
quit()
def set_buffer(self, index):
""" Set current buffer """
if index >= 0 and index < len(self.buffers):
self.current = index
buffer = self.buffers[index]
self.textbox.set_buffer(buffer)
if hasattr(self, 'status'):
self.status.set_text(
_('Switching to buffer %(buffer_id)d (%(buffer_name)s)'
% {'buffer_id': self.current + 1, 'buffer_name'
: buffer.filename}))
def next_buffer(self):
""" Switch to next buffer """
if self.current < len(self.buffers) - 1:
self.current += 1
else:
self.current = 0
self.set_buffer(self.current)
def prev_buffer(self):
""" Switch to prev buffer """
if self.current > 0:
self.current -= 1
else:
self.current = len(self.buffers) - 1
self.set_buffer(self.current)
def quit(self):
#Add any functions that you want to take place here before pyRoom quits
check_unsaved.save_unsaved_on_exit(self)
restore_session.save_session(self)
self.gui.quit()
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