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desigle.py
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desigle.py
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#!/usr/bin/env python
# DeSiGLE
# Copyright (C) 2008 Derek Anderson
#
# 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 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import commands, dircache, getopt, math, pickle, os, re, shutil, string, sys, tempfile, thread, threading, time, traceback
from datetime import date, datetime, timedelta
import config
RUN_FROM_DIR = os.path.abspath(os.path.dirname(sys.argv[0])) + '/'
#CURRENT_DIR = os.path.expanduser("~")
CURRENT_DIR = os.getcwd()
PROGRAM = 'DeSiGLE'
SVN_INFO = commands.getoutput('svn info')
VERSION = ''
for line in SVN_INFO.split('\n'):
if line.startswith('Revision:'):
VERSION = 'v0.'+ line[10:]
tmp_file = open( RUN_FROM_DIR + 'GPL.txt', 'r' )
GPL = tmp_file.read()
tmp_file.close()
# GUI imports
try:
import pygtk
pygtk.require("2.0")
import gobject
import gtkspell
import gtk
import gtk.glade
import gnome
import gnome.ui
import pango
import gconf
gobject.threads_init()
gtk.gdk.threads_init()
except:
traceback.print_exc()
print 'could not import required GTK libraries. try running:'
print '\tfor ubuntu: sudo apt-get install python python-glade2 python-gnome2 python-gconf python-gnome2-extras'
print '\tfor debian: sudo apt-get install python python-glade2 python-gnome2 python-gnome2-extras'
print '\tfor redhat: yum install pygtk2 gnome-python2-gconf pygtk2-libglade python-gnome2-extras'
sys.exit()
try:
import poppler
except:
traceback.print_exc()
print 'could not import python-poppler [https://code.launchpad.net/~poppler-python/poppler-python/]. try running (from "%s"):' % RUN_FROM_DIR
print "\tsudo apt-get install build-essential libpoppler2 libpoppler-dev libpoppler-glib2 libpoppler-glib-dev python-cairo-dev bzr gnome-common python-dev python-gnome2-dev python-gtk2-dev python-gobject-dev python-pyorbit-dev"
print '\tbzr branch http://bazaar.launchpad.net/~poppler-python/poppler-python/poppler-0.6-experimental'
print '\tcd poppler-0.6-experimental'
print '\t./autogen.sh'
print '\t./configure'
print '\tmake'
print '\tsudo make install'
sys.exit()
from latex_tags import *
def pango_escape(s):
return s.replace('&','&').replace('>','>').replace('<','<')
class TexDocument:
main_gui = None
fq_filename = None
changed_time = None
changed = False
undo_stack = []
record_operations = True
editor = None
error_line_offset = 0
def __init__(self, main_gui, filename=None):
self.main_gui = main_gui
self.ui = main_gui.ui
self.config = main_gui.config
self.notebook = self.ui.get_widget('notebook_editor')
if filename:
self.fq_filename = filename
self.init_editor()
self.init_tags()
self.init_label()
self.notebook.set_current_page(self.notebook.get_n_pages()-1)
text_buffer = self.editor.get_buffer()
if self.fq_filename:
f = open( self.fq_filename )
self.record_operations = False
text_buffer.set_text( f.read() )
self.record_operations = True
f.close()
self.ui.get_widget('menu_save').set_sensitive(False)
self.ui.get_widget('toolbutton_save').set_sensitive(False)
else:
text_buffer = self.editor.get_buffer()
text_buffer.set_text( self.config.get_string( 'default_blank_document', default=BLANK_DOCUMENT ) )
self.ui.get_widget('menu_save').set_sensitive(True)
self.ui.get_widget('toolbutton_save').set_sensitive(True)
self.changed = False
self.retag( text_buffer )
text_buffer.place_cursor( text_buffer.get_start_iter() )
def init_label(self):
hbox = gtk.HBox()
if self.fq_filename:
self.notebook_label = gtk.Label( pango_escape(os.path.basename(self.fq_filename)) )
else:
self.notebook_label = gtk.Label('untitled')
hbox.add( self.notebook_label )
close_button = gtk.Button()
close_button.connect('clicked', self.close)
close_button.set_focus_on_click(False)
close_button_image = gtk.Image()
close_button_image.set_from_stock(gtk.STOCK_CLOSE, gtk.ICON_SIZE_MENU)
close_button.set_image(close_button_image)
close_button.set_relief(gtk.RELIEF_NONE)
style = close_button.get_style().copy()
settings = gtk.Widget.get_settings (close_button);
(w,h) = gtk.icon_size_lookup_for_settings(settings,gtk.ICON_SIZE_MENU);
gtk.Widget.set_size_request (close_button, w + 4, h + 4);
hbox.add( close_button )
hbox.show_all()
self.notebook.set_tab_label( self.scrolled_window, hbox )
def close(self, x=None):
if self.changed:
dialog = gtk.MessageDialog( type=gtk.MESSAGE_WARNING )
if self.fq_filename:
dialog.set_markup('<b>Save changes to document "%s" before closing?</b>\n\nIf you don\'t save, changes will be lost.' % ( pango_escape(os.path.basename(self.fq_filename)) ))
dialog.add_button('_Save', 1)
else:
dialog.set_markup('<b>Save untitled document before closing?</b>\n\nIf you don\'t save, changes will be lost.')
dialog.add_button('_Save as', 1)
dialog.add_button('Close _without saving', 2)
dialog.add_button('_Cancel', 3)
dialog.show_all()
response = dialog.run()
dialog.destroy()
if response==1:
if self.fq_filename:
self.save()
else:
if not self.save_as():
return True
elif response==2:
pass
elif response==3:
return True
page_num = self.main_gui.tex_docs.index(self)
self.notebook.remove_page(page_num)
self.main_gui.tex_docs.remove(self)
if not len(self.main_gui.tex_docs):
self.main_gui.new()
def init_editor(self):
self.scrolled_window = gtk.ScrolledWindow()
self.editor = gtk.TextView()
self.editor.set_wrap_mode(gtk.WRAP_WORD)
self.scrolled_window.add(self.editor)
self.notebook.append_page(self.scrolled_window)
self.scrolled_window.show_all()
pangoFont = pango.FontDescription('monospace')
self.editor.modify_font(pangoFont)
spell = gtkspell.Spell(self.editor)
spell.set_language("en_US")
self.editor.get_buffer().connect('changed', self.editor_text_change_event )
self.editor.get_buffer().connect('mark-set', self.editor_mark_set_event )
self.editor.get_buffer().connect('insert-text', self.editor_insert_text_event )
self.editor.get_buffer().connect('delete-range', self.editor_delete_range_event )
def init_tags(self):
tag_table = self.editor.get_buffer().get_tag_table()
for tag_name, tag_attr in LATEX_TAGS:
warn_tag = gtk.TextTag(tag_name)
for k,v in tag_attr['properties'].iteritems():
warn_tag.set_property(k,v)
tag_table.add(warn_tag)
def editor_text_change_event(self, buffer):
self.changed_time = datetime.now()
self.ui.get_widget('menu_undo').set_sensitive( len(self.undo_stack)>0 )
self.changed = True
self.ui.get_widget('menu_save').set_sensitive(True)
self.ui.get_widget('toolbutton_save').set_sensitive(True)
def editor_insert_text_event(self, buffer, start, text, length):
if not self.record_operations: return
start_mark = buffer.create_mark(None, start, True)
self.undo_stack.append( ('insert_text', buffer, start_mark, text, length) )
self.prune_undo_stack()
def editor_delete_range_event(self, buffer, start, end):
if not self.record_operations: return
start_mark = buffer.create_mark(None, start, False)
text = buffer.get_text( start, end )
self.undo_stack.append( ('delete_range', buffer, start_mark, text) )
self.prune_undo_stack()
def editor_mark_set_event(self, buffer, x, y):
iter=buffer.get_iter_at_mark(buffer.get_insert())
self.ui.get_widget('label_row_col').set_text( 'line:%i/%i col:%i/%i' % ( iter.get_line()+1, buffer.get_line_count(), iter.get_line_offset(), iter.get_chars_in_line() ) )
def find_forward(self, search_text=None):
if search_text==None:
search_text = self.ui.get_widget('entry_find').get_text()
search_text = search_text.lower()
buffer = self.editor.get_buffer()
editor_text = buffer.get_text( buffer.get_start_iter(), buffer.get_end_iter() )
editor_text = editor_text.lower()
editor_offset = buffer.get_iter_at_mark( buffer.get_insert() ).get_offset()
found_offset = editor_text.find(search_text, editor_offset+1)
if found_offset<0:
found_offset = editor_text.find(search_text)
if found_offset>=0:
found_iter = buffer.get_iter_at_offset(found_offset)
buffer.place_cursor( found_iter )
self.editor.scroll_to_iter( found_iter, 0.0 )
buffer.remove_tag_by_name('search_highlight', buffer.get_start_iter(), buffer.get_end_iter())
buffer.apply_tag_by_name( 'search_highlight', found_iter, buffer.get_iter_at_offset(found_offset+len(search_text)) )
def find_backward(self, search_text=None):
if search_text==None:
search_text = self.ui.get_widget('entry_find').get_text()
search_text = search_text.lower()
buffer = self.editor.get_buffer()
editor_text = buffer.get_text( buffer.get_start_iter(), buffer.get_end_iter() )
editor_text = editor_text.lower()
editor_offset = buffer.get_iter_at_mark( buffer.get_insert() ).get_offset()
found_offset = editor_text.rfind(search_text, 0, editor_offset)
if found_offset<0:
found_offset = editor_text.rfind(search_text)
if found_offset>=0:
found_iter = buffer.get_iter_at_offset(found_offset)
buffer.place_cursor( found_iter )
self.editor.scroll_to_iter( found_iter, 0.0 )
buffer.remove_tag_by_name('search_highlight', buffer.get_start_iter(), buffer.get_end_iter())
buffer.apply_tag_by_name( 'search_highlight', found_iter, buffer.get_iter_at_offset(found_offset+len(search_text)) )
def prune_undo_stack(self):
while len(self.undo_stack)>512:
action = self.undo_stack.pop(0)
action[1].delete_mark(action[2])
def retag( self, buffer=None, start=None, end=None ):
if not buffer: buffer = self.editor.get_buffer()
if not start: start = buffer.get_start_iter()
if not end: end = buffer.get_end_iter()
# tag syntax highlighting
for tag_name, tag_attr in LATEX_TAGS:
#buffer.remove_tag_by_name(tag_name, start, end)
buffer.remove_tag_by_name(tag_name, buffer.get_start_iter(), buffer.get_end_iter())
p = tag_attr['regex']
#line = start.get_text(end)
line = buffer.get_text( buffer.get_start_iter(), buffer.get_end_iter() )
for match in p.finditer(line):
st = buffer.get_iter_at_offset( start.get_offset()+ match.span()[0] )
et = buffer.get_iter_at_offset( start.get_offset()+ match.span()[1] )
buffer.apply_tag_by_name( tag_name, st, et )
# tag errors
for file, line_number, error in self.main_gui.errors:
tmp = line_number-1
st = buffer.get_iter_at_line(tmp)
while st.get_chars_in_line()<=1:
tmp +=1
st = buffer.get_iter_at_line(tmp)
et = buffer.get_iter_at_line(tmp+1)
buffer.apply_tag_by_name( 'latex_error', st, et )
#print line_number, st.get_offset(), et.get_offset(), error
def get_actual_screen_coords_of_text_cursor(self):
text_buffer = self.editor.get_buffer()
here = text_buffer.get_iter_at_mark( text_buffer.get_insert() )
here_location = self.editor.get_iter_location(here)
x,y = here_location.x, here_location.y
visible_rect = self.editor.get_visible_rect()
x,y = x-visible_rect.x,y-visible_rect.y
x,y = self.editor.translate_coordinates(self.main_gui.main_window, x,y)
main_window_position = self.main_gui.main_window.get_position()
x,y = main_window_position[0]+x, main_window_position[1]+y+12
return x,y
def save_as(self):
global CURRENT_DIR
os.chdir(CURRENT_DIR)
dialog = gtk.FileChooserDialog(title='Save TEX file...', parent=None, action=gtk.FILE_CHOOSER_ACTION_SAVE, buttons=(gtk.STOCK_CANCEL,gtk.RESPONSE_CANCEL,gtk.STOCK_SAVE,gtk.RESPONSE_OK), backend=None)
dialog.set_default_response(gtk.RESPONSE_OK)
dialog.show_all()
response = dialog.run()
if response == gtk.RESPONSE_OK:
CURRENT_DIR = dialog.get_current_folder()
self.fq_filename = dialog.get_filename()
self.notebook_label.set_text( pango_escape(os.path.basename(self.fq_filename)) )
self.save()
dialog.destroy()
return True
else:
dialog.destroy()
return False
def save(self):
if not self.fq_filename:
return self.save_as()
text_buffer = self.editor.get_buffer()
tex = text_buffer.get_text( text_buffer.get_start_iter(), text_buffer.get_end_iter() )
ftex = open( self.fq_filename, 'w' )
ftex.write( tex )
ftex.close()
self.changed = False
self.ui.get_widget('menu_save').set_sensitive(False)
self.ui.get_widget('toolbutton_save').set_sensitive(False)
self.save_pdf()
def save_pdf(self):
o_filename = self.fq_filename
if o_filename.endswith('.tex'):
o_filename = o_filename[:-4]
o_filename = o_filename +'.pdf'
if os.path.isfile(self.main_gui.pdf_file):
child_stdin, child_stdout = os.popen2( 'cp "%s" "%s"' % (self.main_gui.pdf_file, o_filename) )
child_stdin.close()
output = child_stdout.read()
child_stdout.close()
class MainGUI:
config = config.GConfConfig('/apps/desigle')
tex_docs = []
errors = []
recent_files = []
refresh_pdf_preview = False
def get_current_tex_doc(self):
current_page = self.notebook.get_current_page()
if current_page<0:
return None
else:
return self.tex_docs[current_page]
def handle_notebook_switch_page_event(self, x, y, page_num):
#print 'handle_notebook_select_page_event', x, y, page_num
self.refresh_pdf_preview = True
if len(self.tex_docs)<=page_num: return
current_tex_doc = self.tex_docs[page_num]
if not current_tex_doc: return
self.ui.get_widget('menu_undo').set_sensitive( len(current_tex_doc.undo_stack)>0 )
self.ui.get_widget('menu_redo').set_sensitive(False)
self.ui.get_widget('menu_save').set_sensitive( current_tex_doc.changed or not current_tex_doc.fq_filename )
self.ui.get_widget('toolbutton_save').set_sensitive( current_tex_doc.changed or not current_tex_doc.fq_filename )
def __init__(self):
gnome.init(PROGRAM, VERSION)
self.ui = gtk.glade.XML(RUN_FROM_DIR + 'desigle.glade')
self.main_window = self.ui.get_widget('desigle')
self.notebook = self.ui.get_widget('notebook_editor')
self.main_window.connect("delete-event", lambda x,y: self.exit() )
self.init_menu()
self.init_editor()
self.init_editor_errors()
self.init_pdf_preview_pane()
self.init_toolbar_find()
thread.start_new_thread( self.watch_editor, () )
self.main_window.show()
def init_editor(self):
pangoFont = pango.FontDescription('monospace')
self.ui.get_widget('textview_output').modify_font(pangoFont)
self.notebook.set_scrollable(True)
self.notebook.connect('switch-page', self.handle_notebook_switch_page_event )
# undo/redo
accelgroup = gtk.AccelGroup()
actiongroup = gtk.ActionGroup('SimpleAction')
self.main_window.add_accel_group(accelgroup)
undo_action = gtk.Action('undo_action', None, None, gtk.STOCK_UNDO)
undo_action.connect('activate', lambda x: self.editor_undo())
actiongroup.add_action_with_accel(undo_action, '<Control>z')
undo_action.set_accel_group(accelgroup)
undo_action.connect_accelerator()
undo_action.connect_proxy(self.ui.get_widget('menu_undo'))
redo_action = gtk.Action('redo_action', None, None, gtk.STOCK_REDO)
redo_action.connect('activate', self.echo)
actiongroup.add_action_with_accel(redo_action, '<Control>y')
redo_action.set_accel_group(accelgroup)
redo_action.connect_accelerator()
redo_action.connect_proxy(self.ui.get_widget('menu_redo'))
self.ui.get_widget('menu_undo').set_sensitive(False)
self.ui.get_widget('menu_redo').set_sensitive(False)
def init_menu(self):
self.ui.get_widget('menu_new').connect('activate', lambda x: self.new())
self.ui.get_widget('menu_open').connect('activate', lambda x: self.open())
self.ui.get_widget('menu_save').connect('activate', lambda x: self.save())
self.ui.get_widget('menu_save_as').connect('activate', lambda x: self.save_as())
self.ui.get_widget('menu_quit').connect('activate', lambda x: self.exit())
self.ui.get_widget('menu_about').connect('activate', self.show_about_dialog )
self.ui.get_widget('menu_check_updates').connect('activate', lambda x: self.check_for_updates() )
self.ui.get_widget('menu_find').connect('activate', lambda x: self.toggle_find())
self.ui.get_widget('menuitem_preferences').connect('activate', lambda x: PrefGUI())
self.ui.get_widget('menu_save').set_sensitive( False )
self.ui.get_widget('toolbutton_new').connect('clicked', lambda x: self.new())
self.ui.get_widget('toolbutton_open').connect('clicked', lambda x: self.open())
self.ui.get_widget('toolbutton_save').connect('clicked', lambda x: self.save())
self.ui.get_widget('toolbutton_save').set_sensitive( False )
menuitem_recent_files = self.ui.get_widget('menuitem_recent_files')
self.recent_files = self.config.get_list('recent_files')
if not self.recent_files: self.recent_files = []
menu = gtk.Menu()
for recent_file in self.recent_files:
menu_item = gtk.MenuItem(label=recent_file)
menu_item.connect( 'activate', lambda x,recent_file: self.open_file(recent_file), recent_file )
menu.append(menu_item)
menu.show_all()
menuitem_recent_files.set_submenu(menu)
def init_toolbar_find(self):
toolbar_find = self.ui.get_widget('toolbar_find')
toolbar_find.set_property('visible', False)
self.ui.get_widget('toolbutton_find_cancel').connect('clicked', lambda x: self.toggle_find())
self.ui.get_widget('entry_find').connect('changed', self.entry_find_changed_event )
self.ui.get_widget('toolbutton_find_forward').connect('clicked', lambda x: self.find_forward())
self.ui.get_widget('toolbutton_find_backward').connect('clicked', lambda x: self.find_backward())
def init_editor_errors(self):
self.treeview_errors = self.ui.get_widget('treeview_errors')
# icon, line_number, error
self.treeview_errors_model = gtk.ListStore( gtk.gdk.Pixbuf, str, int, str )
self.treeview_errors.set_model( self.treeview_errors_model )
column = gtk.TreeViewColumn()
self.treeview_errors.append_column(column)
renderer = gtk.CellRendererPixbuf()
column.pack_start(renderer, expand=False)
column.add_attribute(renderer, 'pixbuf', 0)
#self.treeview_errors.append_column( gtk.TreeViewColumn("", gtk.CellRendererText(), text=1) )
self.treeview_errors.append_column( gtk.TreeViewColumn("", gtk.CellRendererText(), text=2) )
self.treeview_errors.append_column( gtk.TreeViewColumn("", gtk.CellRendererText(), text=3) )
self.treeview_errors.get_selection().connect('changed', self.handle_errors_selection_changed )
def handle_errors_selection_changed(self, selection):
liststore, iter = selection.get_selected()
if not iter: return
file_name = liststore[iter][1]
line_number = liststore[iter][2]
if file_name == self.tex_file:
editor = self.get_current_tex_doc().editor
else:
pass # TODO: select the roght notebook tab
buffer = editor.get_buffer()
found_iter = buffer.get_iter_at_line(line_number)
editor.scroll_to_iter( found_iter, 0.1 )
def echo(self, a=None, b=None, c=None, d=None, e=None ):
print 'a, b, c, d, e', a, b, c, d, e
def toggle_find(self):
toolbar_find = self.ui.get_widget('toolbar_find')
if toolbar_find.get_property('visible'):
toolbar_find.set_property('visible', False)
self.editor.grab_focus()
buffer = self.editor.get_buffer()
buffer.remove_tag_by_name('search_highlight', buffer.get_start_iter(), buffer.get_end_iter())
else:
entry_find = self.ui.get_widget('entry_find')
entry_find.set_text('')
toolbar_find.set_property('visible', True)
entry_find.grab_focus()
def entry_find_changed_event(self, entry_find):
search_text = entry_find.get_text()
self.find_forward(search_text)
def editor_undo(self):
if not self.undo_stack: return
self.record_operations = False
action = self.undo_stack.pop()
if action[0]=='insert_text':
buffer = action[1]
start = buffer.get_iter_at_mark(action[2])
end = buffer.get_iter_at_offset( start.get_offset()+action[4] )
buffer.delete( start, end )
buffer.delete_mark(action[2])
if action[0]=='delete_range':
buffer = action[1]
start = buffer.get_iter_at_mark(action[2])
text = action[3]
buffer.insert( start, text )
self.record_operations = True
self.ui.get_widget('menu_undo').set_sensitive( len(self.undo_stack)>0 )
def init_pdf_preview_pane(self):
file, self.tex_file = tempfile.mkstemp('.tex')
self.pdf_file = self.tex_file[:-4]+'.pdf'
#print 'tex_file', self.tex_file
#print 'pdf_file', self.pdf_file
pdf_preview = self.ui.get_widget('pdf_preview')
self.pdf_preview = { 'current_page_number':0 }
self.pdf_preview['scale'] = None
pdf_preview.connect("expose-event", self.on_expose_pdf_preview)
self.ui.get_widget('button_move_previous_page').connect('clicked', lambda x: self.goto_pdf_page( self.pdf_preview['current_page_number']-1 ) )
self.ui.get_widget('button_move_next_page').connect('clicked', lambda x: self.goto_pdf_page( self.pdf_preview['current_page_number']+1 ) )
self.ui.get_widget('button_zoom_in').connect('clicked', lambda x: self.zoom_pdf_page( -1.2 ) )
self.ui.get_widget('button_zoom_out').connect('clicked', lambda x: self.zoom_pdf_page( -.8 ) )
self.ui.get_widget('button_zoom_normal').connect('clicked', lambda x: self.zoom_pdf_page( 1 ) )
self.ui.get_widget('button_zoom_best_fit').connect('clicked', lambda x: self.zoom_pdf_page( None ) )
def refresh_pdf_preview_pane(self):
pdf_preview = self.ui.get_widget('pdf_preview')
if os.path.isfile( self.pdf_file ):
self.pdf_preview['document'] = poppler.document_new_from_file ('file://'+ self.pdf_file, None)
self.pdf_preview['n_pages'] = self.pdf_preview['document'].get_n_pages()
self.pdf_preview['scale'] = None
self.goto_pdf_page( self.pdf_preview['current_page_number'], new_doc=True )
else:
pdf_preview.set_size_request(0,0)
self.pdf_preview['current_page'] = None
self.ui.get_widget('button_move_previous_page').set_sensitive( False )
self.ui.get_widget('button_move_next_page').set_sensitive( False )
self.ui.get_widget('button_zoom_out').set_sensitive( False )
self.ui.get_widget('button_zoom_in').set_sensitive( False )
self.ui.get_widget('button_zoom_normal').set_sensitive( False )
self.ui.get_widget('button_zoom_best_fit').set_sensitive( False )
pdf_preview.queue_draw()
def goto_pdf_page(self, page_number, new_doc=False):
if True:
if not new_doc and self.pdf_preview.get('current_page') and self.pdf_preview['current_page_number']==page_number:
return
if page_number<0: page_number = 0
pdf_preview = self.ui.get_widget('pdf_preview')
self.pdf_preview['current_page_number'] = page_number
self.pdf_preview['current_page'] = self.pdf_preview['document'].get_page( self.pdf_preview['current_page_number'] )
if self.pdf_preview['current_page']:
self.pdf_preview['width'], self.pdf_preview['height'] = self.pdf_preview['current_page'].get_size()
self.ui.get_widget('button_move_previous_page').set_sensitive( page_number>0 )
self.ui.get_widget('button_move_next_page').set_sensitive( page_number<self.pdf_preview['n_pages']-1 )
self.zoom_pdf_page( self.pdf_preview['scale'], redraw=False )
else:
self.ui.get_widget('button_move_previous_page').set_sensitive( False )
self.ui.get_widget('button_move_next_page').set_sensitive( False )
pdf_preview.queue_draw()
else:
self.ui.get_widget('button_move_previous_page').set_sensitive( False )
self.ui.get_widget('button_move_next_page').set_sensitive( False )
def zoom_pdf_page(self, scale, redraw=True):
"""None==auto-size, negative means relative, positive means fixed"""
if True:
if redraw and self.pdf_preview.get('current_page') and self.pdf_preview['scale']==scale:
return
pdf_preview = self.ui.get_widget('pdf_preview')
auto_scale = (pdf_preview.get_parent().get_allocation().width-2.0) / self.pdf_preview['width']
if scale==None:
scale = auto_scale
else:
if scale<0:
if self.pdf_preview['scale']==None: self.pdf_preview['scale'] = auto_scale
scale = self.pdf_preview['scale'] = self.pdf_preview['scale'] * -scale
else:
self.pdf_preview['scale'] = scale
pdf_preview.set_size_request(int(self.pdf_preview['width']*scale), int(self.pdf_preview['height']*scale))
self.ui.get_widget('button_zoom_out').set_sensitive( scale>0.3 )
self.ui.get_widget('button_zoom_in').set_sensitive( True )
self.ui.get_widget('button_zoom_normal').set_sensitive( True )
self.ui.get_widget('button_zoom_best_fit').set_sensitive( True )
if redraw: pdf_preview.queue_draw()
return scale
else:
pass
def on_expose_pdf_preview(self, widget, event):
if not self.pdf_preview.get('current_page'): return
cr = widget.window.cairo_create()
cr.set_source_rgb(1, 1, 1)
scale = self.pdf_preview['scale']
if scale==None:
scale = (self.ui.get_widget('pdf_preview').get_parent().get_allocation().width-2.0) / self.pdf_preview['width']
if scale != 1:
cr.scale(scale, scale)
cr.rectangle(0, 0, self.pdf_preview['width'], self.pdf_preview['height'])
cr.fill()
self.pdf_preview['current_page'].render(cr)
def highlight_errors(self, output):
self.errors = []
p = re.compile('(.+):([0-9]+):(.*)')
for line in output.split('\n'):
if line.startswith('! LaTeX Error:'):
self.errors.append( ( 'LaTeX Error', 0, line ) )
for match in p.finditer(line):
error_line = self.error_line_offset + int(match.group(2))
self.errors.append( ( match.group(1), error_line, match.group(3) ) )
try:
self.treeview_errors_model.clear()
self.treeview_errors.set_property('visible', bool(self.errors) )
for error in self.errors:
self.treeview_errors_model.append( (self.get_current_tex_doc().editor.render_icon(gtk.STOCK_CANCEL, gtk.ICON_SIZE_MENU), error[0], error[1], error[2]) )
except:
traceback.print_exc()
def refresh_preview(self):
if os.path.isfile( self.pdf_file ): os.remove( self.pdf_file )
if not self.tex_docs: return
text_buffer = self.get_current_tex_doc().editor.get_buffer()
tex = text_buffer.get_text( text_buffer.get_start_iter(), text_buffer.get_end_iter() )
if self.config.get_bool( 'pref_auto_add_doc_tags_in_preview') and tex.find('\\documentclass')==-1:
tex = '\\documentclass{%s}\n\\begin{document}\n' % self.config.get_string( 'default_doc_class', default='article' ) \
+ tex + '\n\\end{document}\n'
self.error_line_offset = -2
else:
self.error_line_offset = 0
ftex = open( self.tex_file, 'w' )
ftex.write( tex )
ftex.close()
#symlink included files to /tmp
if self.get_current_tex_doc().fq_filename:
DOC_DIR = os.path.dirname(self.get_current_tex_doc().fq_filename)
local_files = os.listdir(DOC_DIR)
p = re.compile('\\include[a-z]*[{](.*?)[}]')
include_files = [ match.group(1) for match in p.finditer(tex) ]
p = re.compile('\\input[a-z]*[{](.*?)[}]')
include_files.extend( [ match.group(1) for match in p.finditer(tex) ] )
for fname in local_files:
if fname.rfind('.')>0:
fname_base = fname[:fname.rfind('.')]
else:
fname_base = ''
if fname in include_files or fname_base in include_files:
#print fname, os.path.join('/','tmp', fname)
os.popen('ln -sf "%s" /tmp/' % os.path.join(DOC_DIR, fname) ).close()
os.chdir('/tmp')
child_stdin, child_stdout = os.popen2( 'pdflatex -file-line-error -src-specials -halt-on-error "%s"' % (self.tex_file) )
child_stdin.close()
output = child_stdout.read()
child_stdout.close()
os.chdir(CURRENT_DIR)
self.ui.get_widget('textview_output').get_buffer().set_text(output)
self.highlight_errors(output)
self.refresh_pdf_preview_pane()
self.get_current_tex_doc().changed_time = None
self.refresh_pdf_preview = False
def exit(self):
for tex_doc in list(self.tex_docs):
if tex_doc.close():
return True
if len(self.recent_files)>10:
self.recent_files = self.recent_files[:10]
self.config.set_list('recent_files', self.recent_files)
if os.path.isfile( self.tex_file ): os.remove( self.tex_file )
if os.path.isfile( self.pdf_file ): os.remove( self.pdf_file )
sys.exit(0)
def new(self):
self.tex_docs.append( TexDocument(self) )
def open(self):
global CURRENT_DIR
os.chdir(CURRENT_DIR)
dialog = gtk.FileChooserDialog(title='Select a TEX file...', parent=None, action=gtk.FILE_CHOOSER_ACTION_OPEN, buttons=(gtk.STOCK_CANCEL,gtk.RESPONSE_CANCEL,gtk.STOCK_OPEN,gtk.RESPONSE_OK), backend=None)
dialog.set_default_response(gtk.RESPONSE_OK)
dialog.show_all()
response = dialog.run()
if response == gtk.RESPONSE_OK:
CURRENT_DIR = dialog.get_current_folder()
filename = dialog.get_filename()
self.open_file( filename )
dialog.destroy()
def open_file(self, filename):
if not os.path.isfile(filename):
self.new()
return
filename = os.path.abspath(filename)
self.tex_docs.append( TexDocument(self, filename) )
while filename in self.recent_files:
self.recent_files.remove(filename)
self.recent_files.insert(0,filename)
self.refresh_preview()
def save_as(self):
return self.get_current_tex_doc().save_as()
def save(self):
return self.get_current_tex_doc().save()
def check_for_autocomplete_patterns(self):
try:
recommendations = []
text_buffer = self.get_current_tex_doc().editor.get_buffer()
here = text_buffer.get_iter_at_mark( text_buffer.get_insert() )
before = text_buffer.get_text( text_buffer.get_iter_at_line(here.get_line()), here )
after = text_buffer.get_text( here, text_buffer.get_iter_at_line_offset(here.get_line(),max(0,here.get_chars_in_line()-1)) )
for s in AUTOCOMPLETE_PLUS:
for i in range(1,len(s)):
if before.endswith( s[:i] ):
if not after.startswith( s[i:i+3] ):
recommendations.append((i,s))
break
if recommendations:
self.show_recommendations(recommendations)
self.get_current_tex_doc().changed_time = None
return False
except:
traceback.print_exc()
def recommendation_menu_key_press_event(self, menu, event):
if event.keyval in [65288, 65535]:
menu.destroy()
if event.string and event.keyval<256:
self.get_current_tex_doc().editor.get_buffer().insert_at_cursor(event.string)
menu.destroy()
def show_recommendations(self, recommendations):
x,y = self.get_current_tex_doc().get_actual_screen_coords_of_text_cursor()
menu = gtk.Menu()
menu.connect('key-press-event', self.recommendation_menu_key_press_event)
for i,s in recommendations:
menu_item = gtk.MenuItem(label=s.replace('\n','...'))
menu_item.connect( 'activate', lambda x,i,s: self.get_current_tex_doc().editor.get_buffer().insert_at_cursor(s[i:]), i, s )
menu.append(menu_item)
menu.show_all()
menu.popup(None, None, None, 0, 0)
menu.get_parent_window().move( x, y )
def watch_editor(self):
while True:
try:
if self.tex_docs and (self.refresh_pdf_preview or (self.get_current_tex_doc() and self.get_current_tex_doc().changed_time and (datetime.now() - self.get_current_tex_doc().changed_time).seconds >= 1)):
gtk.gdk.threads_enter()
if not self.check_for_autocomplete_patterns():
self.refresh_preview()
self.get_current_tex_doc().retag()
gtk.gdk.threads_leave()
except:
traceback.print_exc()
time.sleep(.5)
def check_for_updates(self):
parent_self = self
class UpdateThread(threading.Thread):
def run(self):
os.chdir(RUN_FROM_DIR)
output = commands.getoutput('svn update')
gtk.gdk.threads_enter()
dialog = gtk.MessageDialog( type=gtk.MESSAGE_INFO, buttons=gtk.BUTTONS_OK )
dialog.connect('response', lambda x,y: dialog.destroy())
dialog.set_markup('<b>Output from SVN:</b>\n\n%s\n\n(restart for changes to take effect)' % ( pango_escape(output) ))
dialog.show_all()
response = dialog.run()
gtk.gdk.threads_leave()
t = UpdateThread()
t.start()
def show_about_dialog(self, o):
about = gtk.AboutDialog()
about.set_name(PROGRAM)
about.set_version(VERSION)
about.set_copyright('Copyright (c) 2008 Derek Anderson')
about.set_comments('''Derek's Simple Gnome LaTeX Editor''')
about.set_license(GPL)
about.set_website('http://desigle.org/')
about.set_authors(['Derek Anderson','http://kered.org'])
about.connect('response', lambda x,y: about.destroy())
about.show()
class PrefGUI:
config = config.GConfConfig('/apps/desigle')
def __init__(self):
self.ui = gtk.glade.XML(RUN_FROM_DIR + 'desigle.glade')
self.main_window = self.ui.get_widget('desigle_prefs')
self.main_window.show_all()
self.main_window.connect("delete-event", lambda x,y: self.main_window.destroy() )
self.ui.get_widget('button_close').connect('clicked', lambda x: self.main_window.destroy() )
# blank document
textview_default_blank_document = self.ui.get_widget('textview_default_blank_document')
textview_default_blank_document.get_buffer().set_text( self.config.get_string( 'default_blank_document', default=BLANK_DOCUMENT ) )
textview_default_blank_document.get_buffer().connect('changed', self.save_default_blank_document )
self.ui.get_widget('toolbutton_revert_to_default').connect( 'clicked', lambda x: self.ui.get_widget('textview_default_blank_document').get_buffer().set_text( BLANK_DOCUMENT ) )
# pdf preview
pref_auto_add_doc_tags_in_preview = self.ui.get_widget('pref_auto_add_doc_tags_in_preview')
pref_auto_add_doc_tags_in_preview.set_active( self.config.get_bool( 'pref_auto_add_doc_tags_in_preview') )
pref_auto_add_doc_tags_in_preview.connect('toggled', lambda x: self.config.set_bool( 'pref_auto_add_doc_tags_in_preview', pref_auto_add_doc_tags_in_preview.get_active()) )
pref_keep_preview_on_parent = self.ui.get_widget('pref_keep_preview_on_parent')
pref_keep_preview_on_parent.set_active( self.config.get_bool( 'pref_keep_preview_on_parent') )
pref_keep_preview_on_parent.connect('toggled', lambda x: self.config.set_bool( 'pref_keep_preview_on_parent', pref_keep_preview_on_parent.get_active()) )
pref_default_doc_class = self.ui.get_widget('pref_default_doc_class')
pref_default_doc_class.set_text( self.config.get_string( 'default_doc_class', default='article' ) )
pref_default_doc_class.connect('changed', lambda x: self.config.set_string( 'default_doc_class', pref_default_doc_class.get_text()) )
self.ui.get_widget('reset_pref_default_doc_class').connect( 'clicked', lambda x: self.ui.get_widget('pref_default_doc_class').set_text( 'article' ) )
def save_default_blank_document(self, buffer):
default_blank_document = buffer.get_text( buffer.get_start_iter(), buffer.get_end_iter() )
self.config.set_string( 'default_blank_document', default_blank_document )
if __name__ == "__main__":
global main_gui
main_gui = MainGUI()
if len(sys.argv)>1 and sys.argv[1] and os.path.isfile( sys.argv[1] ):
main_gui.open_file(sys.argv[1])
else:
main_gui.new()
gtk.main()