132 lines
4.4 KiB
Python
Executable File
132 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# event event lister for libcaca
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# Copyright (c) 2010 Alex Foulon <alxf@lavabit.com>
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#
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# This file is a Python port of "examples/event.c"
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# which is:
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# Copyright (c) 2004-2010 Sam Hocevar <sam@hocevar.net>
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# All Rights Reserverd
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#
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# This library is free software. It comes without any warranty, to
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# the extent permitted by applicable law. You can redistribute it
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# and/or modify it under the terms of the Do What the Fuck You Want
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# to Public License, Version 2, as published by Sam Hocevar. See
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# http://www.wtfpl.net/ for more details.
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#
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import sys
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import caca
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from caca.canvas import Canvas, CanvasError
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from caca.display import Display, DisplayError, Event
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def print_event(cv, x, y, event):
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""" Print event name.
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:cv: libcaca canvas
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:x: X coordinate
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:y: Y coordinate
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:event: event to display
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"""
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if event.get_type() == caca.EVENT_NONE:
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cv.put_str(x, y, "CACA_EVENT_NONE")
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elif event.get_type() == caca.EVENT_KEY_PRESS:
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character = event.get_key_ch()
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if character > 0x1f and character < 0x80:
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cv.put_str(x, y, "CACA_EVENT_KEY_PRESS 0x%02x (%s)" % (character, chr(character)))
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else:
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cv.put_str(x, y, "CACA_EVENT_KEY_PRESS 0x%02x (%s)" % (character, '?'))
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elif event.get_type() == caca.EVENT_KEY_RELEASE:
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character = event.get_key_ch()
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if character > 0x1f and character < 0x80:
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cv.put_str(x, y, "CACA_EVENT_KEY_RELEASE 0x%02x (%s)" % (character, chr(character)))
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else:
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cv.put_str(x, y, "CACA_EVENT_KEY_RELEASE 0x%02x (%s)" % (character, '?'))
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elif event.get_type() == caca.EVENT_MOUSE_MOTION:
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cv.put_str(x, y, "CACA_EVENT_MOUSE_MOTION %u %u" % (event.get_mouse_x(),
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event.get_mouse_y()))
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elif event.get_type() == caca.EVENT_MOUSE_PRESS:
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cv.put_str(x, y, "CACA_EVENT_MOUSE_PRESS %u" % (event.get_mouse_button()))
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elif event.get_type() == caca.EVENT_MOUSE_RELEASE:
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cv.put_str(x, y, "CACA_EVENT_MOUSE_RELEASE %u" % (event.get_mouse_button()))
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elif event.get_type() == caca.EVENT_RESIZE:
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cv.put_str(x, y, "CACA_EVENT_RESIZE %u %u" % (event.get_resize_width(),
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event.get_resize_height()))
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elif event.get_type() == caca.EVENT_QUIT:
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cv.put_str(x, y, "CACA_EVENT_QUIT")
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else:
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cv.put_str(x, y, "CACA_EVENT_UNKNOWN")
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def main():
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""" Main function. """
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events = []
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quit = 0
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quit_string = ["", "q", "qu", "qui", "quit"]
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try:
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cv = Canvas(80, 24)
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dp = Display(cv)
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except (CanvasError, DisplayError) as err:
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sys.stderr.write("%s\n" % err)
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sys.exit(127)
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h = cv.get_height() - 1
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cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLUE)
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cv.draw_line(0, 0, cv.get_width() - 1, 0, ' ')
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cv.draw_line(0, h, cv.get_width() - 1, h, ' ')
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cv.put_str(0, h, "Type \"quit\" to exit")
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dp.refresh()
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while quit < 4:
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ev = Event()
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if dp.get_event(caca.EVENT_ANY, ev, -1):
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if ev.get_type() == caca.EVENT_KEY_PRESS:
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key = ev.get_key_ch()
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if key == ord('u') and quit == 1:
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quit += 1
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elif key == ord('i') and quit == 2:
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quit += 1
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elif key == ord('t') and quit == 3:
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quit += 1
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elif key == ord('q'):
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quit = 1
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else:
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quit = 0
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events.append(ev)
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cv.set_color_ansi(caca.COLOR_LIGHTGRAY, caca.COLOR_BLACK)
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cv.clear()
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#print current event
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cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLUE)
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cv.draw_line(0, 0, cv.get_width() - 1, 0, ' ')
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if events:
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print_event(cv, 0, 0, events[-1])
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cv.draw_line(0, h, cv.get_width() - 1, h, ' ')
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cv.put_str(0, h, "Type \"quit\" to exit: %s" % quit_string[quit])
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#print previous events
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cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLACK)
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counts = list(range(0, len(events)-1))
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counts.reverse()
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if len(events) > 1:
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j = 0
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for i in counts:
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if j < h - 1 and events[i].get_type():
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print_event(cv, 0, ((len(events) - 1) - i), events[i])
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j += 1
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dp.refresh()
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if __name__ == "__main__":
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main()
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