65 lines
1.5 KiB
Python
65 lines
1.5 KiB
Python
def event_cb(e):
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obj = e.get_target()
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id = obj.get_selected_btn()
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if id == 0:
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prev = True
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else:
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prev = False
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if id == 6:
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next = True
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else:
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next = False
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if prev or next:
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# Find the checked butto
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for i in range(7):
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if obj.has_btn_ctrl(i, lv.btnmatrix.CTRL.CHECKED):
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break
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if prev and i > 1:
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i-=1
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elif next and i < 5:
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i+=1
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obj.set_btn_ctrl(i, lv.btnmatrix.CTRL.CHECKED)
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#
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# Make a button group
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#
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style_bg = lv.style_t()
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style_bg.init()
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style_bg.set_pad_all(0)
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style_bg.set_pad_gap(0)
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style_bg.set_clip_corner(True)
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style_bg.set_radius(lv.RADIUS.CIRCLE)
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style_bg.set_border_width(0)
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style_btn = lv.style_t()
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style_btn.init()
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style_btn.set_radius(0)
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style_btn.set_border_width(1)
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style_btn.set_border_opa(lv.OPA._50)
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style_btn.set_border_color(lv.palette_main(lv.PALETTE.GREY))
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style_btn.set_border_side(lv.BORDER_SIDE.INTERNAL)
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style_btn.set_radius(0)
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map = [lv.SYMBOL.LEFT,"1","2", "3", "4", "5",lv.SYMBOL.RIGHT, ""]
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btnm = lv.btnmatrix(lv.scr_act())
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btnm.set_map(map)
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btnm.add_style(style_bg, 0)
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btnm.add_style(style_btn, lv.PART.ITEMS)
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btnm.add_event_cb(event_cb, lv.EVENT.VALUE_CHANGED, None)
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btnm.set_size(225, 35)
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# Allow selecting on one number at time
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btnm.set_btn_ctrl_all(lv.btnmatrix.CTRL.CHECKABLE)
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btnm.clear_btn_ctrl(0, lv.btnmatrix.CTRL.CHECKABLE)
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btnm.clear_btn_ctrl(6, lv.btnmatrix.CTRL.CHECKABLE)
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btnm.set_one_checked(True)
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btnm.set_btn_ctrl(1, lv.btnmatrix.CTRL.CHECKED)
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btnm.center()
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