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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.
"""
Finds out which type of LilyPond object the offset will be applied to
using ly.music, stores this data and creates and inserts an override command.
"""
from PyQt5 import QtGui
import documentinfo
import lydocument
import reformat
class DefineOffset():
def __init__(self, doc):
self.doc = doc
self.docinfo = documentinfo.music(doc)
self.node = None
self.lilyObject = None
self.lilyContext = ""
self.pos = 0
def getCurrentLilyObject(self, cursor):
""" Use cursor from textedit link to get type of object being edited."""
lycursor = lydocument.cursor(cursor)
self.pos = lycursor.start
node = self.docinfo.node(self.pos)
self.node = node
child = self.docinfo.iter_music(node)
for c in child:
name = c.__class__.__name__ #get instance name
return self.item2object(name)
name = node.__class__.__name__
return self.item2object(name)
def item2object(self, item):
""" Translate item type into name of
LilyPond object.
"""
item2objectDict = {
"String": { "GrobType": "TextScript" },
"Markup": { "GrobType": "TextScript" },
"Tempo": { "GrobType": "MetronomeMark",
"Context" : "Score" },
"Articulation": { "GrobType": "Script" }
}
try:
obj = item2objectDict[item]
except KeyError:
obj = { "GrobType": "still testing!" }
self.lilyObject = obj["GrobType"]
if "Context" in obj:
self.lilyContext = obj["Context"]
return obj["GrobType"]
def insertOverride(self, x, y):
""" Insert the override command. """
doc = lydocument.Document(self.doc)
block = doc.block(self.pos)
p = block.position()
cursor = QtGui.QTextCursor(self.doc)
cursor.setPosition(p)
cursor.beginEditBlock()
cursor.insertText(self.createOffsetOverride(x, y))
cursor.insertBlock()
cursor.endEditBlock()
reformat.reformat(cursor)
def createOffsetOverride(self, x, y):
""" Create the override command.
Can this be created as a node?
"""
objToOverride = self.lilyContext
if len(objToOverride) > 0:
objToOverride += "."
objToOverride += self.lilyObject
return (r"\once \override {0}.extra-offset = #'({1:.2f} . {2:.2f})"
.format(objToOverride, x, y))
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