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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.
"""
An Object Editor widget.
"""
import sys
from PyQt5 import QtCore
from PyQt5.QtCore import QSettings
from PyQt5.QtGui import QTextCursor
from PyQt5.QtWidgets import (
QDoubleSpinBox, QLabel, QPushButton, QVBoxLayout, QWidget)
import app
import objecteditor
from . import defineoffset
class Widget(QWidget):
# I think we will work with individual editor objects for different types of objects.
# Each one will be shown/hidden on demand, i.e. when an element is activated
# through the SVG view, the music view or the cursor in the source.
# Each editor object handles its own connections to signals.
# (PS: The object editor will also work with the source code directly,
# i.e. independently of graphical SVG editing.)
def __init__(self, tool):
super(Widget, self).__init__(tool)
self.mainwindow = tool.mainwindow()
self.define = None
import panelmanager
self.svgview = panelmanager.manager(tool.mainwindow()).svgview.widget().view
layout = QVBoxLayout(spacing=1)
self.setLayout(layout)
self.elemLabel = QLabel()
self.XOffsetBox = QDoubleSpinBox()
self.XOffsetBox.setRange(-99,99)
self.XOffsetBox.setSingleStep(0.1)
self.XOffsetLabel = l = QLabel()
l.setBuddy(self.XOffsetBox)
self.YOffsetBox = QDoubleSpinBox()
self.YOffsetBox.setRange(-99,99)
self.YOffsetBox.setSingleStep(0.1)
self.YOffsetLabel = l = QLabel()
l.setBuddy(self.YOffsetBox)
self.insertButton = QPushButton("insert offset in source", self)
self.insertButton.clicked.connect(self.callInsert)
layout.addWidget(self.elemLabel)
layout.addWidget(self.XOffsetLabel)
layout.addWidget(self.XOffsetBox)
layout.addWidget(self.YOffsetLabel)
layout.addWidget(self.YOffsetBox)
layout.addWidget(self.insertButton)
layout.addStretch(1)
app.translateUI(self)
self.loadSettings()
self.connectSlots()
def connectSlots(self):
# On creation we connect to all available signals
self.connectToSvgView()
def connectToSvgView(self):
"""Register with signals emitted by the
SVG viewer for processing graphical editing.
"""
self.svgview.objectStartDragging.connect(self.startDragging)
self.svgview.objectDragging.connect(self.Dragging)
self.svgview.objectDragged.connect(self.Dragged)
self.svgview.cursor.connect(self.setObjectFromCursor)
def disconnectFromSvgView(self):
"""Do not process graphical edits when the
Object Editor isn't visible."""
self.svgview.objectStartDragging.disconnect()
self.svgview.objectDragging.disconnect()
self.svgview.objectDragged.disconnect()
self.svgview.cursor.disconnect()
def translateUI(self):
self.XOffsetLabel.setText(_("X Offset"))
self.XOffsetBox.setToolTip(_("Display the X Offset"))
self.YOffsetLabel.setText(_("Y Offset"))
self.YOffsetBox.setToolTip(_("Display the Y Offset"))
self.insertButton.setEnabled(False)
def hideEvent(self, event):
"""Disconnect from all graphical editing signals
when the panel isn't visible
"""
self.disconnectFromSvgView()
event.accept()
def showEvent(self, event):
"""Connect to the graphical editing signals
when the panel becomes visible
"""
self.connectToSvgView()
event.accept()
def callInsert(self):
""" Insert the override command in the source."""
if self.define:
self.define.insertOverride(self.XOffsetBox.value(), self.YOffsetBox.value())
@QtCore.pyqtSlot(float, float)
def setOffset(self, x, y):
"""Display the updated offset."""
self.XOffsetBox.setValue(x)
self.YOffsetBox.setValue(y)
@QtCore.pyqtSlot(float, float)
def startDragging(self, x, y):
"""Set the value of the offset externally."""
# temporary debug output
#print("Start dragging with offset", x, y)
self.setOffset(x, y)
@QtCore.pyqtSlot(float, float)
def Dragging(self, x, y):
"""Set the value of the offset externally."""
# temporary debug output
# print("Dragging with offset", x, y)
self.setOffset(x, y)
@QtCore.pyqtSlot(float, float)
def Dragged(self, x, y):
"""Set the value of the offset externally."""
# temporary debug output
#print("Dragged to", x, y)
self.setOffset(x, y)
@QtCore.pyqtSlot(QTextCursor)
def setObjectFromCursor(self, cursor):
"""Set selected element."""
self.define = defineoffset.DefineOffset(self.mainwindow.currentDocument())
self.elemLabel.setText(self.define.getCurrentLilyObject(cursor))
self.insertButton.setEnabled(True)
def loadSettings(self):
"""Called on construction. Load settings and set checkboxes state."""
s = QSettings()
s.beginGroup('object_editor')
def saveSettings(self):
"""Called on close. Save settings and checkboxes state."""
s = QSettings()
s.beginGroup('object_editor')
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