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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
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# Copyright (c) 2008 - 2011 by Wilbert Berendsen
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# See http://www.gnu.org/licenses/ for more information.
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The Preferences Dialog.
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from __future__ import unicode_literals
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from PyQt4.QtCore import QSettings, QSize, Qt, pyqtSignal
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from PyQt4.QtGui import (
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QDialog, QDialogButtonBox, QGroupBox, QHBoxLayout, QListWidget,
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QListWidgetItem, QStackedWidget, QVBoxLayout, QWidget)
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_prefsindex = 0 # global setting for selected prefs page but not saved on exit
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class PreferencesDialog(QDialog):
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def __init__(self, mainwindow):
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super(PreferencesDialog, self).__init__(mainwindow)
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self.setWindowModality(Qt.WindowModal)
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self.addAction(mainwindow.actionCollection.help_whatsthis)
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layout = QVBoxLayout()
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self.setLayout(layout)
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# listview to the left, stacked widget to the right
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self.pagelist = QListWidget(self)
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self.stack = QStackedWidget(self)
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top.addWidget(self.pagelist, 0)
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top.addWidget(self.stack, 2)
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layout.addWidget(widgets.Separator(self))
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b = self.buttons = QDialogButtonBox(self)
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| QDialogButtonBox.Cancel
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| QDialogButtonBox.Apply
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| QDialogButtonBox.Reset
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| QDialogButtonBox.Help)
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b.accepted.connect(self.accept)
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b.rejected.connect(self.reject)
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b.button(QDialogButtonBox.Apply).clicked.connect(self.saveSettings)
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b.button(QDialogButtonBox.Reset).clicked.connect(self.loadSettings)
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b.button(QDialogButtonBox.Apply).setEnabled(False)
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self.pagelist.setIconSize(QSize(32, 32))
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self.pagelist.setSpacing(2)
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self.pagelist.addItem(item())
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self.pagelist.currentItemChanged.connect(self.slotCurrentItemChanged)
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app.translateUI(self, 100)
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# read our size and selected page
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util.saveDialogSize(self, "preferences/dialog/size", QSize(500, 300))
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self.pagelist.setCurrentRow(_prefsindex)
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def translateUI(self):
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self.pagelist.setFixedWidth(self.pagelist.sizeHintForColumn(0) + 12)
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self.setWindowTitle(app.caption(_("Preferences")))
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def done(self, result):
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if result and self.buttons.button(QDialogButtonBox.Apply).isEnabled():
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# save our size and selected page
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_prefsindex = self.pagelist.currentRow()
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super(PreferencesDialog, self).done(result)
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"""Yields the settings pages that are already instantiated."""
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for n in range(self.stack.count()):
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yield self.stack.widget(n)
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def loadSettings(self):
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"""Loads the settings on reset."""
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for page in self.pages():
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page.hasChanges = False
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self.buttons.button(QDialogButtonBox.Apply).setEnabled(False)
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def saveSettings(self):
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"""Saves the settings and applies them."""
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for page in self.pages():
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page.hasChanges = False
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self.buttons.button(QDialogButtonBox.Apply).setEnabled(False)
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app.settingsChanged()
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def slotCurrentItemChanged(self, item):
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"""Call this to enable the Apply button."""
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self.buttons.button(QDialogButtonBox.Apply).setEnabled(True)
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class PrefsItemBase(QListWidgetItem):
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super(PrefsItemBase, self).__init__()
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self.setIcon(icons.get(self.iconName))
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app.translateUI(self)
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dlg = self.listWidget().parentWidget()
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if self._widget is None:
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w = self._widget = self.widget(dlg)
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dlg.stack.addWidget(w)
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w.changed.connect(dlg.changed)
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w.changed.connect(w.markChanged)
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dlg.stack.setCurrentWidget(self._widget)
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class General(PrefsItemBase):
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iconName = "preferences-system"
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def translateUI(self):
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self.setText(_("General Preferences"))
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def widget(self, dlg):
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return general.GeneralPrefs(dlg)
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class LilyPond(PrefsItemBase):
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iconName = "lilypond-run"
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def translateUI(self):
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self.setText(_("LilyPond Preferences"))
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def widget(self, dlg):
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return lilypond.LilyPondPrefs(dlg)
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class Midi(PrefsItemBase):
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iconName = "audio-volume-medium"
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def translateUI(self):
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self.setText(_("MIDI Settings"))
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def widget(self, dlg):
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return midi.MidiPrefs(dlg)
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class Helpers(PrefsItemBase):
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iconName = "applications-other"
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def translateUI(self):
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self.setText(_("Helper Applications"))
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def widget(self, dlg):
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return helpers.Helpers(dlg)
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class Paths(PrefsItemBase):
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iconName = "folder-open"
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def translateUI(self):
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self.setText(_("Paths"))
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def widget(self, dlg):
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return paths.Paths(dlg)
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class Documentation(PrefsItemBase):
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iconName = "help-contents"
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def translateUI(self):
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self.setText(_("LilyPond Documentation"))
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def widget(self, dlg):
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from . import documentation
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return documentation.Documentation(dlg)
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class Shortcuts(PrefsItemBase):
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iconName = "configure-shortcuts"
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def translateUI(self):
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self.setText(_("Keyboard Shortcuts"))
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def widget(self, dlg):
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from . import shortcuts
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return shortcuts.Shortcuts(dlg)
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class FontsColors(PrefsItemBase):
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iconName = "applications-graphics"
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def translateUI(self):
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self.setText(_("Fonts & Colors"))
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def widget(self, dlg):
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from . import fontscolors
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return fontscolors.FontsColors(dlg)
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class Tools(PrefsItemBase):
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iconName = "preferences-other"
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def translateUI(self):
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self.setText(_("Tools"))
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def widget(self, dlg):
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return tools.Tools(dlg)
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"""Base class for settings pages."""
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changed = pyqtSignal()
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def markChanged(self):
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"""Called when something changes in the dialog."""
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self.hasChanges = True
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def loadSettings(self):
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"""Should load settings from config into our widget."""
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def saveSettings(self):
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"""Should write settings from our widget to config."""
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class GroupsPage(Page):
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"""Base class for a Page with SettingsGroups.
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The load and save methods of the SettingsGroup groups are automatically called.
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def __init__(self, dialog):
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super(GroupsPage, self).__init__(dialog)
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def loadSettings(self):
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for group in self.groups:
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def saveSettings(self):
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for group in self.groups:
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class Group(QGroupBox):
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"""This is a QGroupBox that auto-adds itself to a Page."""
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changed = pyqtSignal()
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def __init__(self, page):
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super(Group, self).__init__()
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page.groups.append(self)
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self.changed.connect(page.changed)
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def loadSettings(self):
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"""Should load settings from config into our widget."""
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def saveSettings(self):
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"""Should write settings from our widget to config."""
added
removed
frescobaldi_app/preferences/__init__.py
