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# Copyright 2004-2008 Nanorex, Inc. See LICENSE file for details.
"""
NE1_QToolBar.py - Main NE1 toolbar class, which subclasses Qt's QToolBar
class. All NE1 main window toolbars should use this class (except for the
Command Toolbar).
@author: Mark Sims
@version: $Id$
@copyright: 2004-2008 Nanorex, Inc. See LICENSE file for details.
"""
from PyQt4 import QtGui
from PyQt4.Qt import Qt, QToolBar, SIGNAL
from utilities.icon_utilities import getpixmap
from utilities.debug import print_compact_stack
_DEBUG = False # Do not commit with True
class NE1_QToolBar(QToolBar):
"""
Main NE1 toolbar class.
Its primary use is to reimplement addSeparator() so that we can create
custom separators.
@limitations: QToolBar's insertSeparator() method has been disabled.
See docstring below for more information.
"""
# _separatorList is a list of all the QLabel widgets in this toolbar.
# Each QLabel has either a horizontal or vertical separator pixmap.
_separatorList = []
_separatorNumber = 0
def __init__(self, parent):
"""
Constructs an NE1 toolbar for the main window.
"""
QToolBar.__init__(self, parent)
self._separatorList = []
# Attention: This signal-slot connection is not working and I'm not
# sure why. As a workaround, I reimplemented QToolBar.moveEvent()
# which does the job nicely. I'm leaving the connect() call here,
# but commenting it out. I bet its a Qt bug and it might be fixed
# in Qt 4.3 (or later). Mark 2008-03-01.
#self.connect(self,
# SIGNAL("orientationChanged()"),
# self.updateSeparatorPixmaps)
def updateSeparatorPixmaps(self):
"""
Updates the pixmap for all separators in this toolbar.
@note: This is also supposed to be the slot for the
orientationChanged() signal, but it doesn't work.
"""
for separator in self._separatorList:
if _DEBUG:
print separator.objectName()
self.setSeparatorWidgetPixmap(separator, self.orientation())
def moveEvent(self, event):
"""
Reimplements QWidget.moveEvent(). It is used as a workaround for
the orientationChanged() signal bug mentioned throughout.
"""
QToolBar.moveEvent(self, event)
self.updateSeparatorPixmaps()
def setSeparatorWidgetPixmap(self, widget, orientation):
"""
Sets either the horizontal or the vertical pixmap to widget, depending
on orientation.
@param widget: The separator widget.
@type widget: U{B{QLabel}<http://doc.trolltech.com/4/qgroupbox.html>}
@param orientation: The orientation of this separator.
@type orientation: U{B{Qt.Orientation enum}<http://doc.trolltech.com/4.2/qtoolbar.html#orientation-prop>}
"""
if orientation == Qt.Horizontal:
widget.setPixmap(
getpixmap("ui/toolbars/h_separator.png"))
else:
widget.setPixmap(
getpixmap("ui/toolbars/v_separator.png"))
def addSeparator(self):
"""
Reimplements the addSeparator() method of QToolBar.
"""
_toolbarSeparator = QtGui.QLabel(self)
if _DEBUG:
_name = "%s-Separator%d" % (self.objectName(), self._separatorNumber)
_toolbarSeparator.setObjectName(_name)
self._separatorNumber += 1
self.setSeparatorWidgetPixmap(_toolbarSeparator, self.orientation())
_toolbarSeparator.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter)
self.addWidget(_toolbarSeparator)
self._separatorList.append(_toolbarSeparator)
def insertSeparator(self):
"""
This method overrides QToolBar's method. It does nothing since the
normal behavior will screw things up.
@note: If you need this method, please code it! Mark 2008-02-29.
"""
print_compact_stack("insertSeparator() not supported. " \
"Use addSeparator() instead or implement insertSeparator()")
return
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