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  • Committer: Bazaar Package Importer
  • Author(s): Varun Hiremath
  • Date: 2011-04-05 21:54:28 UTC
  • mfrom: (1.1.5 upstream)
  • mto: (8.2.1 sid)
  • mto: This revision was merged to the branch mainline in revision 10.
  • Revision ID: james.westby@ubuntu.com-20110405215428-1x2wtubz3ok2kxaq
Tags: upstream-3.4.1
Import upstream version 3.4.1

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enthought/enable/slider.py
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from numpy import linspace, zeros
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# Enthought library imports
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from enthought.kiva import STROKE
 
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from enthought.kiva.constants import STROKE
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from enthought.traits.api import (Any, Bool, Enum, Float, Int, Property,
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                                  on_trait_change, Trait)
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from enthought.traits.ui.api import EnumEditor
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from markers import MarkerNameDict, marker_names, CustomMarker
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slider_marker_names = list(marker_names) + ["rect"]
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SliderMarkerTrait = Trait("rect", "rect", MarkerNameDict, 
 
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SliderMarkerTrait = Trait("rect", "rect", MarkerNameDict,
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                    editor=EnumEditor(values=slider_marker_names))
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    #------------------------------------------------------------------------
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    # Model traits
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    #------------------------------------------------------------------------
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    min = Float()
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    max = Float()
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    #------------------------------------------------------------------------
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    # Interaction traits
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    #------------------------------------------------------------------------
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    # Can this slider be interacted with, or is it just a display
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    interactive = Bool(True)
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        elif self.min == self.max:
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            coord[axis_ndx] = (screen_low + screen_high) / 2
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            return coord
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        # Handle normal cases
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        coord[axis_ndx] = (val - self.min) / (self.max - self.min) * self.bounds[axis_ndx] + screen_low
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        return coord
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    def set_slider_pixels(self, pixels):
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        """ Sets the width of the slider to be a fixed number of pixels
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        Parameters
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        ==========
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        pixels : int
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    def set_endcap_pixels(self, pixels):
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        """ Sets the width of the endcap to be a fixed number of pixels
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        Parameters
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        ==========
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        pixels : int
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    def set_tick_pixels(self, pixels):
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        """ Sets the width of the tick marks to be a fixed number of pixels
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        Parameters
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        ==========
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        pixels : int
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                end_y = bar_y + self._cached_endcap_size / 2
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                gc.move_to(self.x, start_y)
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                gc.line_to(self.x, end_y)
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                gc.move_to(self.x2, start_y) 
 
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                gc.move_to(self.x2, start_y)
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                gc.line_to(self.x2, end_y)
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            if self.num_ticks > 0:
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                x_pts = linspace(self.x, self.x2, self.num_ticks+2).astype(int)
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                self._cached_endcap_size = int(self.width * self._endcap_percent)
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        return
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