/usr/share/font-manager/ui/fontinfo.py is in font-manager 0.5.7-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This module provides a dialog which displays font information.
"""
# Font Manager, a font management application for the GNOME desktop
#
# Copyright (C) 2009, 2010 Jerry Casiano
#
# 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.
#
# 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:
#
# Free Software Foundation, Inc.
# 51 Franklin Street, Fifth Floor
# Boston, MA 02110-1301, USA.
import os
import gtk
import glib
import logging
import webbrowser
from os.path import basename, dirname, join
from core import database
from constants import PACKAGE_DATA_DIR
from utils.common import open_folder
class FontInformation(object):
"""
Dialog which displays font metadata.
"""
_widgets = (
'CopyrightView', 'CopyrightBox', 'DescriptionView', 'DescriptionBox',
'TypeLogo', 'FamilyLabel', 'FamilyEntry', 'StyleEntry', 'TypeEntry',
'SizeEntry', 'FileEntry', 'LicenseBox', 'LicenseView', 'LicenseLink',
'Notebook', 'VersionEntry', 'InfoBox', 'NoInfo'
)
_types = {
'TrueType' : 'truetype.png',
'Type 1' : 'type1.png',
'BDF' : 'bdf.png',
'PCF' : 'pcf.png',
'Type 42' : 'type42.png',
'CID Type 1' : 'type1.png',
'CFF' : 'opentype.png',
'PFR' : 'pfr.png',
'Windows FNT' : 'fnt.png'
}
def __init__(self, objects):
self.objects = objects
self.builder = objects.builder
self.builder.add_from_file(os.path.join(PACKAGE_DATA_DIR,
'font-information.ui'))
self.window = self.builder.get_object('FontInformationDialog')
self.window.set_transient_for(objects['MainWindow'])
self.window.connect('delete-event', self._on_close)
self.widgets = {}
self.filedir = None
self.typ = None
self.db_row = None
for widget in self._widgets:
self.widgets[widget] = self.builder.get_object(widget)
# Load font type logos
self.logos = {}
pixbuf = gtk.gdk.pixbuf_new_from_file
for typ in self._types.iterkeys():
self.logos[typ] = pixbuf(join(PACKAGE_DATA_DIR, self._types[typ]))
self.logos['blank'] = pixbuf(join(PACKAGE_DATA_DIR, 'blank.png'))
# Connect handlers
self.widgets['FileEntry'].connect('icon-press', self._open_folder)
self.widgets['TypeEntry'].connect('icon-press',
self._show_type_description)
def _on_close(self, unused_widget, possible_event = None):
"""
Hide dialog and clear previous results.
"""
self.window.hide()
while gtk.events_pending:
gtk.main_iteration()
self._clear_previous_results()
def _clear_previous_results(self):
"""
Clear previous results.
"""
self.filedir = self.typ = self.db_row = None
entries = ('FamilyLabel', 'FamilyEntry', 'StyleEntry', 'TypeEntry',
'SizeEntry', 'FileEntry')
for widget in entries:
self.widgets[widget].set_text('')
for widget in 'CopyrightView', 'DescriptionView', 'LicenseView':
self.widgets[widget].get_buffer().set_text('')
self.widgets['TypeLogo'].set_from_pixbuf(self.logos['blank'])
return
def _get_logo(self, typ, filepath):
"""
Return a pixbuf based on font type.
"""
if typ == 'TrueType' and filepath.endswith('.otf'):
typ = 'CFF'
if typ in self._types.iterkeys():
return self.logos[typ]
else:
return self.logos['blank']
def _open_folder(self, unused_widget, unused_icon_pos, unused_event):
"""
Open containing folder.
"""
return open_folder(self.filedir, self.objects)
def show(self, filepath, descr):
"""
Show information for the provided family object and style.
"""
if filepath is None and descr is None:
self.widgets['InfoBox'].hide()
self.widgets['NoInfo'].show()
self.widgets['Notebook'].set_show_tabs(False)
self.window.show()
self.window.resize(1, 1)
self.window.queue_draw()
return
else:
self.widgets['NoInfo'].hide()
self.widgets['InfoBox'].show()
table = database.Table('Fonts')
self.db_row = table.get('*', 'filepath="{0}"'.format(filepath))[0]
table.close()
self.filedir = dirname(filepath)
self.typ = self.db_row['filetype']
famname = glib.markup_escape_text(self.db_row['family'])
markup = \
'<span font_desc="{0}" size="xx-large">{1}</span>'.format(descr, famname)
self.widgets['FamilyLabel'].set_markup(markup)
self.widgets['FamilyEntry'].set_text(self.db_row['family'])
self.widgets['StyleEntry'].set_text(self.db_row['style'])
self.widgets['TypeEntry'].set_text(self.typ)
self.widgets['SizeEntry'].set_text(self.db_row['filesize'])
self.widgets['FileEntry'].set_text(basename(filepath))
version = self.db_row['version']
if len(version) > 50:
version = 'None'
if version.find('ersion') != -1:
version = version.replace('Version', '').replace('version', '')
if version.find('Revision:') != -1:
version = version.strip().strip('$').replace('Revision:', '')
version = version.strip()
self.widgets['VersionEntry'].set_text(version)
logo = self._get_logo(self.typ, filepath)
self.widgets['TypeLogo'].set_from_pixbuf(logo)
self._set_copyright()
self._set_description()
self._set_license()
self.widgets['Notebook'].set_current_page(0)
self.window.show()
self.window.resize(1, 1)
self.window.queue_draw()
def _show_type_description(self, unused_widget,
unused_icon_pos, unused_event):
"""
Open a link containing information about font format.
"""
_pages = {
'TrueType' : 'http://en.wikipedia.org/wiki/TrueType',
'Type 1' : 'http://en.wikipedia.org/wiki/Type_1_Font#Type_1',
'BDF' :
'http://en.wikipedia.org/wiki/Glyph_Bitmap_Distribution_Format',
'PCF' :
'http://en.wikipedia.org/wiki/Portable_Compiled_Format',
'Type 42' : 'http://en.wikipedia.org/wiki/Type_1_Font#Type_42',
'CID Type 1' : 'http://en.wikipedia.org/wiki/Compact_font_format#CID',
'CFF' :
'http://en.wikipedia.org/wiki/Compact_Font_Format#Compact_Font_Format',
'PFR' : 'http://en.wikipedia.org/wiki/TrueDoc',
'Windows FNT': 'http://support.microsoft.com/kb/65123'
}
if not webbrowser.open(_pages[self.typ]):
logging.warn("Could not find any suitable web browser")
return
def _set_copyright(self):
"""
Display copyright if available.
"""
if self.db_row['copyright'] != 'None':
t_buffer = self.widgets['CopyrightView'].get_buffer()
t_buffer.set_text(self.db_row['copyright'])
self.widgets['CopyrightBox'].show()
else:
self.widgets['CopyrightBox'].hide()
return
def _set_description(self):
"""
Display description if available.
"""
if self.db_row['description'] != 'None':
t_buffer = self.widgets['DescriptionView'].get_buffer()
t_buffer.set_text(self.db_row['description'])
self.widgets['DescriptionBox'].show()
else:
self.widgets['DescriptionBox'].hide()
return
def _set_license(self):
"""
Display license if available.
"""
if self.db_row['license'] != 'None':
t_buffer = self.widgets['LicenseView'].get_buffer()
t_buffer.set_text(self.db_row['license'])
self.widgets['LicenseBox'].show()
self.widgets['Notebook'].set_show_tabs(True)
if self.db_row['license_url'] != 'None':
self.widgets['LicenseLink'].set_uri(self.db_row['license_url'])
self.widgets['LicenseLink'].set_label(self.db_row['license_url'])
self.widgets['LicenseLink'].show()
else:
self.widgets['LicenseLink'].hide()
else:
self.widgets['LicenseBox'].hide()
self.widgets['Notebook'].set_show_tabs(False)
return
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