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# Copyright 2005-2007 Nanorex, Inc. See LICENSE file for details.
"""
Pan mode functionality.
@author: Mark Sims
@version: $Id$
@copyright: 2005-2007 Nanorex, Inc. See LICENSE file for details.
@license: GPL
"""
from temporary_commands.TemporaryCommand import TemporaryCommand_Overdrawing
# == GraphicsMode part
class PanMode_GM( TemporaryCommand_Overdrawing.GraphicsMode_class ):
"""
Custom GraphicsMode for use as a component of PanMode.
"""
def leftDown(self, event):
"""
Event handler for LMB press event.
"""
# Setup pan operation
farQ_junk, self.movingPoint = self.dragstart_using_GL_DEPTH( event)
return
def leftDrag(self, event):
"""
Event handler for LMB drag event.
"""
point = self.dragto( self.movingPoint, event)
self.glpane.pov += point - self.movingPoint
self.glpane.gl_update()
return
def update_cursor_for_no_MB(self): # Fixes bug 1638. Mark 3/12/2006.
"""
Update the cursor for 'Pan' mode.
"""
self.glpane.setCursor(self.win.PanViewCursor)
pass
# == Command part
class PanMode(TemporaryCommand_Overdrawing): # TODO: rename to PanTool or PanCommand or TemporaryCommand_Pan or ...
"""
Encapsulates the Pan tool functionality.
"""
# class constants
commandName = 'PAN'
featurename = "Pan Tool"
from utilities.constants import CL_VIEW_CHANGE
command_level = CL_VIEW_CHANGE
GraphicsMode_class = PanMode_GM
def command_enter_misc_actions(self):
"""
See superclass method for documentation
"""
self.win.panToolAction.setChecked(True)
def command_exit_misc_actions(self):
"""
See superclass method for documentation
"""
self.win.panToolAction.setChecked(False)
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