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# (C) Copyright 2007-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
# -----------------------------------------------------------------------------
# Copyright (c) 2007, Riverbank Computing Limited
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Riverbank Computing Limited
# Description: <Enthought undo package component>
# -----------------------------------------------------------------------------
# Enthought library imports.
from traits.etsconfig.api import ETSConfig
from pyface.workbench.api import Editor, EditorManager
class _wxLabelEditor(Editor):
""" _wxLabelEditor is the wx implementation of a label editor. """
def create_control(self, parent):
import wx
w = wx.TextCtrl(parent, style=wx.TE_RICH2)
style = w.GetDefaultStyle()
style.SetAlignment(wx.TEXT_ALIGNMENT_CENTER)
w.SetDefaultStyle(style)
self._set_text(w)
self._set_size_and_style(w)
self.obj.observe(self._update_text, 'text')
self.obj.observe(self._update_size, 'size')
self.obj.observe(self._update_style, 'style')
return w
def _name_default(self):
return self.obj.text
def _update_text(self, event):
self._set_text(self.control)
def _set_text(self, w):
w.SetValue("")
w.WriteText(
"%s(%d points, %s)" % (
self.obj.text,
self.obj.size,
self.obj.style
)
)
def _update_size(self, event):
self._set_size_and_style(self.control)
def _update_style(self, event):
self._set_size_and_style(self.control)
def _set_size_and_style(self, w):
import wx
if self.obj.style == 'normal':
style, weight = wx.NORMAL, wx.NORMAL
elif self.obj.style == 'italic':
style, weight = wx.ITALIC, wx.NORMAL
elif self.obj.style == 'bold':
style, weight = wx.NORMAL, wx.BOLD
else:
raise NotImplementedError(
"style '%s' not supported" % self.obj.style
)
f = wx.Font(self.obj.size, wx.ROMAN, style, weight, False)
style = wx.TextAttr("BLACK", wx.NullColour, f)
w.SetDefaultStyle(style)
self._set_text(w)
class _PyQt4LabelEditor(Editor):
""" _PyQt4LabelEditor is the PyQt implementation of a label editor. """
def create_control(self, parent):
from pyface.qt import QtCore, QtGui
w = QtGui.QLabel(parent)
w.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
self._set_text(w)
self._set_size(w)
self._set_style(w)
self.obj.observe(self._update_text, 'text')
self.obj.oberve(self._update_size, 'size')
self.obj.observe(self._update_style, 'style')
return w
def _name_default(self):
return self.obj.text
def _update_text(self, event):
self._set_text(self.control)
def _set_text(self, w):
w.setText(
"%s\n(%d points, %s)" % (
self.obj.text,
self.obj.size,
self.obj.style
)
)
def _update_size(self, event):
self._set_size(self.control)
def _set_size(self, w):
f = w.font()
f.setPointSize(self.obj.size)
w.setFont(f)
self._set_text(w)
def _update_style(self, event):
self._set_style(self.control)
def _set_style(self, w):
f = w.font()
f.setBold(self.obj.style == 'bold')
f.setItalic(self.obj.style == 'italic')
w.setFont(f)
self._set_text(w)
class ExampleEditorManager(EditorManager):
""" The ExampleEditorManager class creates the example editors. """
def create_editor(self, window, obj, kind):
# Create the toolkit specific editor.
tk_name = ETSConfig.toolkit
if tk_name == 'wx':
ed = _wxLabelEditor(window=window, obj=obj)
elif tk_name == 'qt4' or tk_name == 'qt':
ed = _PyQt4LabelEditor(window=window, obj=obj)
else:
raise NotImplementedError(
"unsupported toolkit: %s" % tk_name
)
return ed
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