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#Copyright (c) 2008, Media Modifications Ltd.
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in
#all copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#THE SOFTWARE.
from p5 import P5
class P5Button(P5):
def __init__(self):
P5.__init__(self)
self.noloop()
self._buttons = []
self._buttonPressed = False
def button_press(self, widget, event):
P5.button_press(self, widget, event)
#iterate through the buttons to see if you've pressed any down
bp = False
for i in range ( 0, len(self._buttons) ):
if (self._buttons[i]._enabled):
contains = self._buttons[i].contains(event.x, event.y)
self._buttons[i]._pressed = contains
if (contains):
bp = True
self._buttonPressed = bp
self.redraw()
def button_release(self, widget, event):
P5.button_release(self, widget, event)
self._buttonPressed = False
pressed = []
#iterate through the buttons to see if you've released on any
for i in range ( 0, len(self._buttons) ):
if (self._buttons[i]._enabled):
if (self._buttons[i]._pressed):
if (self._buttons[i].contains(event.x, event.y)):
pressed.append( self._buttons[i] )
if (self._buttons[i]._toggle):
self._buttons[i]._pressed = not self._buttons[i]._pressed
else:
self._buttons[i]._pressed = False
for i in range( 0, len(pressed) ):
pressed[i].doPressed()
self.redraw()
class Polygon:
def __init__( self, xs, ys ):
self.setPoints( xs, ys )
def setPoints( self, xs, ys ):
self._xs = xs
self._ys = ys
self._boundingX = self._xs[0]
self._boundingY = self._ys[0]
self._boundingW = self._xs[0]
self._boundingH = self._ys[0]
for i in range ( 1, len(self._xs) ):
if (self._xs[i] > self._boundingW):
self._boundingW = self._xs[i]
if (self._ys[i] > self._boundingH):
self._boundingH = self._ys[i]
if (self._xs[i] < self._boundingX):
self._boundingX = self._xs[i]
if (self._ys[i] < self._boundingY):
self._boundingY = self._ys[i]
def contains( self, mx, my ):
if (not self.bbox_contains(mx, my)):
return False
#insert simple path tracing check on the polygon here
return True
def bbox_contains( self, mx, my ):
if ( not((mx>=self._boundingX) and (my>=self._boundingY) and (mx<self._boundingW) and (my<self._boundingH)) ):
return False
else:
return True
class Button:
def __init__(self, poly, offX, offY):
self._poly = poly
self._offX = offX
self._offY = offY
self._enabled = True
self._pressed = False
self._toggle = False
self._listeners = []
self._actionCommand = None
self._img = None
def setOffsets(self, offs):
self._offX = offs[0]
self._offY = offs[1]
def addActionListener(self, listen):
self._listeners.append(listen)
def removeActionListener(self, listen):
try:
self._listeners.remove(listen)
except ValueError:
pass
def setActionCommand(self, command):
self._actionCommand = command
def getActionCommand(self):
return self._actionCommand
def setImage(self, img):
self._img = img
def contains( self, mx, my ):
x = mx - self._offX
y = my - self._offY
contains = self._poly.contains( x, y )
return contains
def doPressed( self ):
for i in range ( 0, len(self._listeners) ):
self._listeners[i].fireButton( self._actionCommand )
def isImg( self ):
return self._img != None
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