Source code for boxes.generators.keypad

"""Generator for keypads with mechanical switches."""

from copy import deepcopy

from boxes import Boxes, boolarg
from boxes.edges import FingerJointSettings


[docs]class Keypad(Boxes): """Generator for keypads with mechanical switches.""" ui_group = 'Box' btn_size = 15.6 triangle = 25. def __init__(self): super().__init__() self.argparser.add_argument( '--h', action='store', type=int, default=30, help='height of the box' ) self.argparser.add_argument( '--btn_x', action='store', type=int, default=3, help='number of buttons per row' ) self.argparser.add_argument( '--btn_y', action='store', type=int, default=4, help='number of buttons per column' ) self.argparser.add_argument( '--top1_thickness', action='store', type=float, default=1.5, help=('thickness of the button hold layer, cherry like switches ' 'need 1.5mm or smaller to snap in') ) self.argparser.add_argument( '--top2_enable', action='store', type=boolarg, default=False, help=('enables another top layer that can hold CPG151101S11 ' 'sockets') ) self.argparser.add_argument( '--top2_thickness', action='store', type=float, default=1.5, help=('thickness of the hotplug layer, CPG151101S11 sockets ' 'need 1.2mm to 1.5mm') ) self.addSettingsArgs(FingerJointSettings, surroundingspaces=1) def _get_x_y(self): """Gets the keypad's size based on the number of buttons.""" x = self.btn_x * (self.btn_size) + (self.btn_x - 1) * 4 + 20 y = self.btn_y * (self.btn_size) + (self.btn_y - 1) * 4 + 20 return x, y def render(self): """Renders the keypad.""" # deeper edge for top to add multiple layers deep_edge = deepcopy(self.edges['f'].settings) deep_edge.thickness = self.thickness + self.top1_thickness if self.top2_enable: deep_edge.thickness += self.top2_thickness deep_edge.edgeObjects(self, 'gGH', True) d1, d2 = 2., 3. x, y = self._get_x_y() h = self.h # box sides self.rectangularWall(x, h, "GFEF", callback=[self.wallx_cb], move="right") self.rectangularWall(y, h, "GfEf", callback=[self.wally_cb], move="up") self.rectangularWall(y, h, "GfEf", callback=[self.wally_cb]) self.rectangularWall(x, h, "GFEF", callback=[self.wallx_cb], move="left up") # keypad lids self.rectangularWall(x, y, "ffff", callback=[self.support_hole], move="right") self.rectangularWall(x, y, "ffff", callback=[self.key_hole], move="up") if self.top2_enable: self.rectangularWall(x, y, "ffff", callback=[self.hotplug]) # screwable tr = self.triangle trh = tr / 3 self.rectangularWall( x, y, callback=[lambda: self.hole(trh, trh, d=d2)] * 4, move='left up' ) self.rectangularTriangle( tr, tr, "ffe", num=4, callback=[None, lambda: self.hole(trh, trh, d=d1)] ) def hotplug(self): """Callback for the key stabelizers.""" # draw clock wise to work with burn correction btn = [11.6, (-90, 2)] * 4 s = self.btn_size self.moveTo(10, 10) for _ in range(self.btn_y): for _ in range(self.btn_x): self.moveTo(7.8 , 7.8) self.hole(0, 0, d=4) self.hole(1.27 * -3, 1.27 * 2, d=2.9) self.hole(1.27 * 2, 1.27 * 4, d=2.9) # pcb mounts self.hole(1.27 * -4, 0, d=1.7) self.hole(1.27 * 4, 0, d=1.7) self.moveTo(-7.8, -7.8) self.moveTo(s + 4) #self.moveTo(1.27 * -2, 1.17 * 3) #self.moveTo(1.27 * 2, 1.17 * -3) self.moveTo(self.btn_x * (s + 4) * -1, s + 4) def support_hole(self): """Callback for the key stabelizers.""" # draw clock wise to work with burn correction btn = [11.6, (-90, 2)] * 4 s = self.btn_size self.moveTo(10, 10) for _ in range(self.btn_y): for _ in range(self.btn_x): self.moveTo(0, 2, 90) self.polyline(*btn) self.moveTo(0, 0, 270) self.moveTo(s + 4, -2) self.moveTo(self.btn_x * (s + 4) * -1, s + 4) def key_hole(self): """Callback for the key holes.""" # draw clock wise to work with burn correction btn_half_side = [0.98, 90, 0.81, -90, 3.5, -90, 0.81, 90, 2.505] btn_full_side = [*btn_half_side, 0, *btn_half_side[::-1]] btn = [*btn_full_side, -90] * 4 s = self.btn_size self.moveTo(10, 10) for _ in range(self.btn_y): for _ in range(self.btn_x): self.moveTo(0.81, 0.81, 90) self.polyline(*btn) self.moveTo(0, 0, 270) self.moveTo(-0.81, -0.81) self.moveTo(s + 4) self.moveTo(self.btn_x * (s + 4) * -1, s + 4) # stolen form electronics-box def wallx_cb(self): """Callback for triangle holes on x-side.""" x, _ = self._get_x_y() t = self.thickness self.fingerHolesAt(0, self.h - 1.5 * t, self.triangle, 0) self.fingerHolesAt(x, self.h - 1.5 * t, self.triangle, 180) # stolen form electronics-box def wally_cb(self): """Callback for triangle holes on y-side.""" _, y = self._get_x_y() t = self.thickness self.fingerHolesAt(0, self.h - 1.5 * t, self.triangle, 0) self.fingerHolesAt(y, self.h - 1.5 * t, self.triangle, 180)