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'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2014 Task Coach developers <developers@taskcoach.org>
Task Coach is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Task Coach is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import wx
from taskcoachlib import operating_system
class _Tracker(object):
''' Utility methods for setting and getting values from/to the
settings. '''
def __init__(self, settings, section):
super(_Tracker, self).__init__()
self.__settings = settings
self.__section = section
def set_setting(self, setting, value):
''' Store the value for the setting in the settings. '''
self.__settings.setvalue(self.__section, setting, value)
def get_setting(self, setting):
''' Get the value for the setting from the settings and return it. '''
return self.__settings.getvalue(self.__section, setting)
class WindowSizeAndPositionTracker(_Tracker):
''' Track the size and position of a window in the settings. '''
def __init__(self, window, settings, section):
super(WindowSizeAndPositionTracker, self).__init__(settings, section)
self._window = window
self.__set_dimensions()
self._window.Bind(wx.EVT_SIZE, self.on_change_size)
self._window.Bind(wx.EVT_MOVE, self.on_change_position)
self._window.Bind(wx.EVT_MAXIMIZE, self.on_maximize)
def on_change_size(self, event):
''' Handle a size event by saving the new size of the window in the
settings. '''
# Ignore the EVT_SIZE when the window is maximized or iconized.
# Note how this depends on the EVT_MAXIMIZE being sent before the
# EVT_SIZE.
maximized = self._window.IsMaximized()
if not maximized and not self._window.IsIconized():
self.set_setting('size', self._window.GetClientSize() \
if operating_system.isMac() else event.GetSize())
# Jerome, 2008/07/12: On my system (KDE 3.5.7), EVT_MAXIMIZE
# is not triggered, so set 'maximized' to True here as well as in
# onMaximize:
self.set_setting('maximized', maximized)
event.Skip()
def on_change_position(self, event):
''' Handle a move event by saving the new position of the window in
the settings. '''
if not self._window.IsMaximized():
self.set_setting('maximized', False)
if not self._window.IsIconized():
# Only save position when the window is not maximized
# *and* not minimized
self.set_setting('position', event.GetPosition())
event.Skip()
def on_maximize(self, event):
''' Handle a maximize event by saving the window maximization state in
the settings. '''
self.set_setting('maximized', True)
event.Skip()
def __set_dimensions(self):
''' Set the window position and size based on the settings. '''
x, y = self.get_setting('position') # pylint: disable=C0103
width, height = self.get_setting('size')
if operating_system.isMac():
# Under MacOS 10.5 and 10.4, when setting the size, the actual
# window height is increased by 40 pixels. Dunno why, but it's
# highly annoying. This doesn't hold for dialogs though. Sigh.
if not isinstance(self._window, wx.Dialog):
height += 18
self._window.SetDimensions(x, y, width, height)
if operating_system.isMac():
self._window.SetClientSize((width, height))
if self.get_setting('maximized'):
self._window.Maximize()
# Check that the window is on a valid display and move if necessary:
if wx.Display.GetFromWindow(self._window) == wx.NOT_FOUND:
# Not (0, 0) because on OSX this hides the window bar...
self._window.SetDimensions(50, 50, width, height)
if operating_system.isMac():
self._window.SetClientSize((width, height))
class WindowDimensionsTracker(WindowSizeAndPositionTracker):
''' Track the dimensions of a window in the settings. '''
def __init__(self, window, settings):
super(WindowDimensionsTracker, self).__init__(window, settings,
'window')
self.__settings = settings
if self.__start_iconized():
if operating_system.isMac() or operating_system.isGTK():
# Need to show the window on Mac OS X first, otherwise it
# won't be properly minimized. On wxGTK we need to show the
# window first, otherwise clicking the task bar icon won't
# show it.
self._window.Show()
self._window.Iconize(True)
if not operating_system.isMac() and \
self.get_setting('hidewheniconized'):
# Seems like hiding the window after it's been
# iconized actually closes it on Mac OS...
wx.CallAfter(self._window.Hide)
def __start_iconized(self):
''' Return whether the window should be opened iconized. '''
start_iconized = self.__settings.get('window', 'starticonized')
if start_iconized == 'Always':
return True
if start_iconized == 'Never':
return False
return self.get_setting('iconized')
def save_position(self):
''' Save the position of the window in the settings. '''
iconized = self._window.IsIconized()
self.set_setting('iconized', iconized)
if not iconized:
self.set_setting('position', self._window.GetPosition())
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