127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
"""Generator for keypads with mechanical switches."""
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from copy import deepcopy
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from boxes import Boxes
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from boxes.edges import FingerJointSettings
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class Keypad(Boxes):
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"""Generator for keypads with mechanical switches."""
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ui_group = 'Box'
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btn_size = 15.6
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triangle = 25.
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def __init__(self):
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super().__init__()
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self.argparser.add_argument(
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'--h', action='store', type=int, default=30,
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help='height of the box'
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)
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self.argparser.add_argument(
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'--btn_x', action='store', type=int, default=3,
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help='number of buttons per row'
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)
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self.argparser.add_argument(
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'--btn_y', action='store', type=int, default=4,
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help='number of buttons per column'
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)
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self.argparser.add_argument(
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'--top_thickness', action='store', type=float, default=1.5,
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help='thickness of the top layer, cherry needs 1.5mm or smaller'
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)
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self.addSettingsArgs(FingerJointSettings, surroundingspaces=1)
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def _get_x_y(self):
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"""Gets the keypad's size based on the number of buttons."""
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x = self.btn_x * (self.btn_size) + (self.btn_x - 1) * 4 + 20
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y = self.btn_y * (self.btn_size) + (self.btn_y - 1) * 4 + 20
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return x, y
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def render(self):
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"""Renders the keypad."""
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# deeper edge for top to add multiple layers
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deep_edge = deepcopy(self.edges['f'].settings)
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deep_edge.thickness = self.thickness + self.top_thickness
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deep_edge.edgeObjects(self, 'gGH', True)
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d1, d2 = 2., 3.
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x, y = self._get_x_y()
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h = self.h
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# box sides
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self.rectangularWall(x, h, "GFEF", callback=[self.wallx_cb], move="right")
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self.rectangularWall(y, h, "GfEf", callback=[self.wally_cb], move="up")
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self.rectangularWall(y, h, "GfEf", callback=[self.wally_cb])
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self.rectangularWall(x, h, "GFEF", callback=[self.wallx_cb], move="left up")
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# electronics box lid
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self.rectangularWall(x, y, "FFFF", move="right")
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# keypad lids
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self.rectangularWall(x, y, "ffff", callback=[self.support_hole], move="up")
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self.rectangularWall(x, y, "ffff", callback=[self.key_hole])
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# screwable
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tr = self.triangle
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trh = tr / 3
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self.rectangularWall(
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x, y,
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callback=[lambda: self.hole(trh, trh, d=d2)] * 4,
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move='left up'
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)
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self.rectangularTriangle(
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tr, tr, "ffe", num=4,
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callback=[None, lambda: self.hole(trh, trh, d=d1)]
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)
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def support_hole(self):
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"""Callback for the key stabelizers."""
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# draw clock wise to work with burn correction
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btn = [11.6, (-90, 2)] * 4
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s = self.btn_size
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self.moveTo(10, 10)
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for _ in range(self.btn_y):
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for _ in range(self.btn_x):
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self.moveTo(0, 2, 90)
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self.polyline(*btn)
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self.moveTo(0, 0, 270)
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self.moveTo(s + 4, -2)
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self.moveTo(self.btn_x * (s + 4) * -1, s + 4)
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def key_hole(self):
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"""Callback for the key holes."""
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# draw clock wise to work with burn correction
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btn_half_side = [0.98, 90, 0.81, -90, 3.5, -90, 0.81, 90, 2.505]
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btn_full_side = [*btn_half_side, 0, *btn_half_side[::-1]]
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btn = [*btn_full_side, -90] * 4
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s = self.btn_size
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self.moveTo(10, 10)
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for _ in range(self.btn_y):
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for _ in range(self.btn_x):
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self.moveTo(0.81, 0.81, 90)
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self.polyline(*btn)
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self.moveTo(0, 0, 270)
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self.moveTo(-0.81, -0.81)
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self.moveTo(s + 4)
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self.moveTo(self.btn_x * (s + 4) * -1, s + 4)
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# stolen form electronics-box
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def wallx_cb(self):
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"""Callback for triangle holes on x-side."""
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x, _ = self._get_x_y()
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t = self.thickness
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self.fingerHolesAt(0, self.h - 1.5 * t, self.triangle, 0)
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self.fingerHolesAt(x, self.h - 1.5 * t, self.triangle, 180)
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# stolen form electronics-box
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def wally_cb(self):
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"""Callback for triangle holes on y-side."""
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_, y = self._get_x_y()
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t = self.thickness
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self.fingerHolesAt(0, self.h - 1.5 * t, self.triangle, 0)
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self.fingerHolesAt(y, self.h - 1.5 * t, self.triangle, 180)
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