forked from openlp/openlp
167 lines
6.1 KiB
Python
167 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2011 Raoul Snyman #
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# Portions copyright (c) 2008-2011 Tim Bentley, Jonathan Corwin, Michael #
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# Gorven, Scott Guerrieri, Matthias Hub, Meinert Jordan, Armin Köhler, #
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# Andreas Preikschat, Mattias Põldaru, Christian Richter, Philip Ridout, #
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Frode Woldsund #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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Provide common toolbar handling for OpenLP
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"""
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import logging
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from PyQt4 import QtCore, QtGui
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from openlp.core.lib import build_icon
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log = logging.getLogger(__name__)
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class OpenLPToolbar(QtGui.QToolBar):
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"""
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Lots of toolbars around the place, so it makes sense to have a common way
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to manage them. This is the base toolbar class.
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"""
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def __init__(self, parent):
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"""
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Initialise the toolbar.
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"""
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QtGui.QToolBar.__init__(self, parent)
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# useful to be able to reuse button icons...
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self.icons = {}
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self.setIconSize(QtCore.QSize(20, 20))
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self.actions = {}
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log.debug(u'Init done for %s' % parent.__class__.__name__)
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def addToolbarButton(self, title, icon, tooltip=None, slot=None,
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checkable=False, shortcuts=None, context=QtCore.Qt.WidgetShortcut):
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"""
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A method to help developers easily add a button to the toolbar.
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``title``
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The title of the button.
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``icon``
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The icon of the button. This can be an instance of QIcon, or a
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string containing either the absolute path to the image, or an
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internal resource path starting with ':/'.
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``tooltip``
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A hint or tooltip for this button.
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``slot``
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The method to run when this button is clicked.
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``checkable``
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If *True* the button has two, *off* and *on*, states. Default is
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*False*, which means the buttons has only one state.
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``shortcuts``
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The list of shortcuts for this action
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``context``
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Specify the context in which this shortcut is valid
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"""
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if icon:
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actionIcon = build_icon(icon)
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if slot and not checkable:
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newAction = self.addAction(actionIcon, title, slot)
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else:
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newAction = self.addAction(actionIcon, title)
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self.icons[title] = actionIcon
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else:
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newAction = QtGui.QAction(title, self)
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self.addAction(newAction)
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QtCore.QObject.connect(newAction,
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QtCore.SIGNAL(u'triggered()'), slot)
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if tooltip:
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newAction.setToolTip(tooltip)
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if checkable:
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newAction.setCheckable(True)
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QtCore.QObject.connect(newAction,
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QtCore.SIGNAL(u'toggled(bool)'), slot)
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self.actions[title] = newAction
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if shortcuts is not None:
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newAction.setShortcuts(shortcuts)
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newAction.setShortcutContext(context)
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return newAction
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def addToolbarSeparator(self, handle):
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"""
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Add a Separator bar to the toolbar and store it's Handle
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"""
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action = self.addSeparator()
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self.actions[handle] = action
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def addToolbarWidget(self, handle, widget):
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"""
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Add a Widget to the toolbar and store it's Handle
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"""
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action = self.addWidget(widget)
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self.actions[handle] = action
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def getIconFromTitle(self, title):
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"""
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Search through the list of icons for an icon with a particular title,
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and return that icon.
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``title``
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The title of the icon to search for.
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"""
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title = QtCore.QString(title)
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try:
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if self.icons[title]:
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return self.icons[title]
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except KeyError:
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log.exception(u'getIconFromTitle - no icon for %s' % title)
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return QtGui.QIcon()
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def makeWidgetsInvisible(self, widgets):
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"""
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Hide a set of widgets.
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``widgets``
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The list of names of widgets to be hidden.
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"""
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for widget in widgets:
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self.actions[widget].setVisible(False)
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def makeWidgetsVisible(self, widgets):
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"""
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Show a set of widgets.
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``widgets``
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The list of names of widgets to be shown.
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"""
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for widget in widgets:
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self.actions[widget].setVisible(True)
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def addPushButton(self, image_file=None, text=u''):
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"""
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Adds a push button to the toolbar.
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Returns the push button
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"""
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push_button = QtGui.QPushButton(build_icon(image_file), text)
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push_button.setCheckable(True)
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push_button.setFlat(True)
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self.addWidget(push_button)
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return push_button
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