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#------------------------------------------------------------------------------
#
# Copyright (c) 2005, Enthought, Inc.
# 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: Enthought, Inc.
#
#------------------------------------------------------------------------------
""" Enthought pyface package component
"""
# Standard library imports.
import sys
# Major package imports.
import wx
from pyface.wx.aui import aui, PyfaceAuiManager
# Enthought library imports.
from pyface.action.api import MenuBarManager, StatusBarManager
from pyface.action.api import ToolBarManager
from traits.api import Instance, List, on_trait_change, provides, Unicode
from pyface.i_application_window import IApplicationWindow
from pyface.i_application_window import MApplicationWindow
from pyface.image_resource import ImageResource
# Local imports.
from .window import Window
@provides(IApplicationWindow)
class ApplicationWindow(MApplicationWindow, Window):
""" The toolkit specific implementation of an ApplicationWindow. See the
IApplicationWindow interface for the API documentation.
"""
#### 'IApplicationWindow' interface #######################################
icon = Instance(ImageResource)
menu_bar_manager = Instance(MenuBarManager)
status_bar_manager = Instance(StatusBarManager)
tool_bar_manager = Instance(ToolBarManager)
# If the underlying toolkit supports multiple toolbars then you can use
# this list instead.
tool_bar_managers = List(ToolBarManager)
#### 'IWindow' interface ##################################################
# fixme: We can't set the default value of the actual 'size' trait here as
# in the toolkit-specific event handlers for window size and position
# changes, we set the value of the shadow '_size' trait. The problem is
# that by doing that traits never knows that the trait has been set and
# hence always returns the default value! Using a trait initializer method
# seems to work however (e.g. 'def _size_default'). Hmmmm....
## size = (800, 600)
title = Unicode("Pyface")
###########################################################################
# Protected 'IApplicationWindow' interface.
###########################################################################
def _create_contents(self, parent):
panel = wx.Panel(parent, -1, name="ApplicationWindow")
panel.SetSize((500, 400))
panel.SetBackgroundColour('blue')
return panel
def _create_menu_bar(self, parent):
if self.menu_bar_manager is not None:
menu_bar = self.menu_bar_manager.create_menu_bar(parent)
self.control.SetMenuBar(menu_bar)
def _create_status_bar(self, parent):
if self.status_bar_manager is not None:
status_bar = self.status_bar_manager.create_status_bar(parent)
self.control.SetStatusBar(status_bar)
return
def _create_tool_bar(self, parent):
tool_bar_managers = self._get_tool_bar_managers()
if len(tool_bar_managers) > 0:
for tool_bar_manager in reversed(tool_bar_managers):
tool_bar = tool_bar_manager.create_tool_bar(parent, aui=True)
self._add_toolbar_to_aui_manager(
tool_bar
)
self._aui_manager.Update()
def _set_window_icon(self):
if self.icon is None:
icon = ImageResource('application.ico')
else:
icon = self.icon
if self.control is not None:
self.control.SetIcon(icon.create_icon())
return
###########################################################################
# 'Window' interface.
###########################################################################
def _size_default(self):
""" Trait initialiser. """
return (800, 600)
###########################################################################
# Protected 'IWidget' interface.
###########################################################################
def _create(self):
super(ApplicationWindow, self)._create()
self._aui_manager = PyfaceAuiManager()
self._aui_manager.SetManagedWindow(self.control)
# Keep a reference to the AUI Manager in the control because Panes
# will need to access it in order to lay themselves out
self.control._aui_manager = self._aui_manager
contents = self._create_contents(self.control)
self._create_trim_widgets(self.control)
# Updating the AUI manager actually commits all of the pane's added
# to it (this allows batch updates).
self._aui_manager.Update()
return
def _create_control(self, parent):
style = wx.DEFAULT_FRAME_STYLE \
| wx.FRAME_NO_WINDOW_MENU \
| wx.CLIP_CHILDREN
control = wx.Frame(
parent, -1, self.title, style=style, size=self.size,
pos=self.position
)
# Mac/Win needs this, otherwise background color is black
attr = control.GetDefaultAttributes()
control.SetBackgroundColour(attr.colBg)
return control
def destroy(self):
if self.control:
self._aui_manager.UnInit()
super(ApplicationWindow, self).destroy()
###########################################################################
# Private interface.
###########################################################################
def _add_toolbar_to_aui_manager(self, tool_bar):
""" Add a toolbar to the AUI manager. """
info = self._get_tool_bar_pane_info(tool_bar)
self._aui_manager.AddPane(tool_bar, info)
return
def _get_tool_bar_pane_info(self, tool_bar):
info = aui.AuiPaneInfo()
info.Caption(tool_bar.tool_bar_manager.name)
info.LeftDockable(False)
info.Name(tool_bar.tool_bar_manager.id)
info.RightDockable(False)
info.ToolbarPane()
info.Top()
return info
def _get_tool_bar_managers(self):
""" Return all tool bar managers specified for the window. """
# fixme: V3 remove the old-style single toolbar option!
if self.tool_bar_manager is not None:
tool_bar_managers = [self.tool_bar_manager]
else:
tool_bar_managers = self.tool_bar_managers
return tool_bar_managers
def _wx_enable_tool_bar(self, tool_bar, enabled):
""" Enable/Disablea tool bar. """
# AUI toolbars cannot be enabled/disabled.
return
def _wx_show_tool_bar(self, tool_bar, visible):
""" Hide/Show a tool bar. """
pane = self._aui_manager.GetPane(tool_bar.tool_bar_manager.id)
if visible:
pane.Show()
else:
# Without this workaround, toolbars know the sizes of other
# hidden toolbars and leave gaps in the toolbar dock
pane.window.Show(False)
self._aui_manager.DetachPane(pane.window)
info = self._get_tool_bar_pane_info(pane.window)
info.Hide()
self._aui_manager.AddPane(pane.window, info)
self._aui_manager.Update()
return
#### Trait change handlers ################################################
def _menu_bar_manager_changed(self):
if self.control is not None:
self._create_menu_bar(self.control)
def _status_bar_manager_changed(self, old, new):
if self.control is not None:
if old is not None:
self.control.SetStatusBar(None)
old.remove_status_bar(self.control)
self._create_status_bar(self.control)
@on_trait_change('tool_bar_manager, tool_bar_managers')
def _update_tool_bar_managers(self):
if self.control is not None:
self._create_tool_bar(self.control)
def _icon_changed(self):
self._set_window_icon()
#### EOF ######################################################################
|
