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77 lines
2.7 KiB
77 lines
2.7 KiB
3 years ago
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#!/usr/bin/env python3
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# MIT License
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#
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# Copyright (c) 2022 Luchr <https://github.com/luchr>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import sys, os, argparse, math, random
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sys.path.append(os.path.join(sys.path[0],'..'))
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import TermTk as ttk
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from math import sin, cos
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import TermTk
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root = TermTk.TTk()
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win_layout = TermTk.TTkGridLayout()
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win = TermTk.TTkWindow(
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parent=root, pos=(1, 1), size=(70, 30), title='Rotating linear gradient',
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layout=win_layout)
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len_direction, phi_direction, delay_direction = 40, 0.0, 0.1
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dirtimer = TermTk.TTkTimer()
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lingradBg = TermTk.TTkLinearGradient(
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base_pos=(20, 10),
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direction=(int(len_direction), 0),
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target_color=TermTk.TTkColor.bg('#ff0000'))
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lingradFg = TermTk.TTkLinearGradient(
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base_pos=(20, 10),
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direction=(int(len_direction), 0),
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target_color=TermTk.TTkColor.fg('#00ff00'))
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button_color = TermTk.TTkColor.bg('#0000ff', modifier=lingradBg)
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border_color = TermTk.TTkColor.fg('#ff00ff', modifier=lingradFg)
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button = TermTk.TTkButton(border=True, text="", color=button_color, borderColor=border_color)
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win_layout.addWidget(button, 0, 0)
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def dirtimer_cb():
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global phi_direction
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phi_direction += 0.05
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new_dir = (
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int(len_direction*cos(phi_direction)),
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int(len_direction*sin(phi_direction)))
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lingradBg.setParam(direction=new_dir)
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new_dir = (
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int(-len_direction*cos(phi_direction)),
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int(len_direction*sin(phi_direction)))
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lingradFg.setParam(direction=new_dir)
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button.update() # button has no chance to know that the
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# color modifier changed!
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dirtimer.start(delay_direction)
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dirtimer.timeout.connect(dirtimer_cb)
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dirtimer.start(delay_direction)
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root.mainloop()
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