96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
|
# ----------------------------------------------------------------------------
|
||
|
|
# pyglet
|
||
|
|
# Copyright (c) 2006-2008 Alex Holkner
|
||
|
|
# Copyright (c) 2008-2020 pyglet contributors
|
||
|
|
# All rights reserved.
|
||
|
|
#
|
||
|
|
# Redistribution and use in source and binary forms, with or without
|
||
|
|
# modification, are permitted provided that the following conditions
|
||
|
|
# are met:
|
||
|
|
#
|
||
|
|
# * Redistributions of source code must retain the above copyright
|
||
|
|
# notice, this list of conditions and the following disclaimer.
|
||
|
|
# * Redistributions in binary form must reproduce the above copyright
|
||
|
|
# notice, this list of conditions and the following disclaimer in
|
||
|
|
# the documentation and/or other materials provided with the
|
||
|
|
# distribution.
|
||
|
|
# * Neither the name of pyglet nor the names of its
|
||
|
|
# contributors may be used to endorse or promote products
|
||
|
|
# derived from this software without specific prior written
|
||
|
|
# permission.
|
||
|
|
#
|
||
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||
|
|
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||
|
|
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
|
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||
|
|
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||
|
|
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||
|
|
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||
|
|
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
# ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
"""Mouse constants and utilities for pyglet.window.
|
||
|
|
"""
|
||
|
|
|
||
|
|
|
||
|
|
class MouseStateHandler(dict):
|
||
|
|
"""Simple handler that tracks the state of buttons from the mouse. If a
|
||
|
|
button is pressed then this handler holds a True value for it.
|
||
|
|
|
||
|
|
For example::
|
||
|
|
|
||
|
|
>>> win = window.Window()
|
||
|
|
>>> mousebuttons = mouse.MouseStateHandler()
|
||
|
|
>>> win.push_handlers(mousebuttons)
|
||
|
|
|
||
|
|
# Hold down the "left" button...
|
||
|
|
|
||
|
|
>>> mousebuttons[mouse.LEFT]
|
||
|
|
True
|
||
|
|
>>> mousebuttons[mouse.RIGHT]
|
||
|
|
False
|
||
|
|
|
||
|
|
"""
|
||
|
|
def on_mouse_press(self, x, y, button, modifiers):
|
||
|
|
self[button] = True
|
||
|
|
|
||
|
|
def on_mouse_release(self, x, y, button, modifiers):
|
||
|
|
self[button] = False
|
||
|
|
|
||
|
|
def __getitem__(self, key):
|
||
|
|
return self.get(key, False)
|
||
|
|
|
||
|
|
|
||
|
|
def buttons_string(buttons):
|
||
|
|
"""Return a string describing a set of active mouse buttons.
|
||
|
|
|
||
|
|
Example::
|
||
|
|
|
||
|
|
>>> buttons_string(LEFT | RIGHT)
|
||
|
|
'LEFT|RIGHT'
|
||
|
|
|
||
|
|
:Parameters:
|
||
|
|
`buttons` : int
|
||
|
|
Bitwise combination of mouse button constants.
|
||
|
|
|
||
|
|
:rtype: str
|
||
|
|
"""
|
||
|
|
button_names = []
|
||
|
|
if buttons & LEFT:
|
||
|
|
button_names.append('LEFT')
|
||
|
|
if buttons & MIDDLE:
|
||
|
|
button_names.append('MIDDLE')
|
||
|
|
if buttons & RIGHT:
|
||
|
|
button_names.append('RIGHT')
|
||
|
|
return '|'.join(button_names)
|
||
|
|
|
||
|
|
|
||
|
|
# Symbolic names for the mouse buttons
|
||
|
|
LEFT = 1 << 0
|
||
|
|
MIDDLE = 1 << 1
|
||
|
|
RIGHT = 1 << 2
|