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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2008 - 2014 by Wilbert Berendsen
#
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
"""
Opens a file the current textcursor points at (or has selected).
"""
import os
from PyQt5.QtCore import QUrl
import documentinfo
import browseriface
def filenames_at_cursor(cursor, existing=True):
"""Return a list of filenames at the cursor.
If existing is False, also names are returned that do not exist on disk.
"""
# take either the selection or the include-args found by lydocinfo
start = cursor.document().findBlock(cursor.selectionStart()).position()
end = cursor.selectionEnd()
if not cursor.hasSelection():
end = start + len(cursor.block().text()) + 1
dinfo = documentinfo.info(cursor.document())
i = dinfo.lydocinfo().range(start, end)
fnames = i.include_args() or i.scheme_load_args()
if not fnames and cursor.hasSelection():
text = cursor.selection().toPlainText()
if '\n' not in text.strip():
fnames = [text]
# determine search path: doc dir and other include path names
filename = cursor.document().url().toLocalFile()
directory = os.path.dirname(filename)
if filename:
path = [directory]
else:
path = []
path.extend(dinfo.includepath())
# find all docs, trying all include paths
filenames = []
for f in fnames:
for p in path:
name = os.path.normpath(os.path.join(p, f))
if os.access(name, os.R_OK):
filenames.append(name)
break
else:
if not existing:
name = os.path.normpath(os.path.join(directory, f))
filenames.append(name)
return filenames
def open_file_at_cursor(mainwindow, cursor=None):
"""Open the filename(s) mentioned at the mainwindow's text cursor.
Return True if there were one or more filenames that were opened.
"""
if cursor is None:
cursor = mainwindow.textCursor()
d = None
for name in filenames_at_cursor(cursor):
d = mainwindow.openUrl(QUrl.fromLocalFile(name))
if d:
browseriface.get(mainwindow).setCurrentDocument(d, True)
return True
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