Source code for timelinelib.proxies.drawingarea
# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Rickard Lindberg, Roger Lindberg
#
# This file is part of Timeline.
#
# Timeline 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.
#
# Timeline 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 Timeline. If not, see <http://www.gnu.org/licenses/>.
[docs]class DrawingAreaProxy:
"""
The purpose of this proxy is to simplify the access to the canvas
from the MainFrame window.
Example of usage in MainFrame GuiCreator:
def zoomout(evt):
DrawingAreaProxy(self).zoom_out()
Instead of writing:
def zoomout(evt):
self.main_panel.timeline_panel.timeline_canvas.zoom_out()
"""
[docs] def __init__(self, creator):
from timelinelib.wxgui.frames.mainframe.mainframe import MainFrame
if isinstance(creator, MainFrame):
self.timeline_canvas = creator.main_panel.timeline_panel.timeline_canvas
self._creator = creator
[docs] def zoom_in(self):
self.timeline_canvas.zoom_in()
[docs] def zoom_out(self):
self.timeline_canvas.zoom_out()
[docs] def vertical_zoom_in(self):
self._set_font(self.timeline_canvas.vertical_zoom_in())
[docs] def vertical_zoom_out(self):
self._set_font(self.timeline_canvas.vertical_zoom_out())
def _set_font(self, font):
if font:
self._creator.config.event_font = font
@property
def view_properties(self):
return self.timeline_canvas.view_properties