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#!/usr/bin/python
import gtk
import gobject

DELAY = 10
WIDTH = 600
HEIGHT = 600

class MyApp():
    
    def __init__(self):
        window = gtk.Window()
        hbox = gtk.HBox()
        vbox = gtk.VBox()
        
        #asignacion de variables a widgest de gtk
        self.vadjustment = gtk.Adjustment()
        self.hadjustment = gtk.Adjustment()
        
        #asignacion de valores por defecto del adjustment
        self.vadjustment.set_upper(100)
        self.vadjustment.set_value(0)
        self.hadjustment.set_upper(100)
        self.hadjustment.set_value(0)
        
        #asignacion de propiedades de widgets
        self.vslide = gtk.VScale(self.vadjustment)
        self.hslide = gtk.HScale(self.hadjustment)
        #propiedad para que no se muestre valor del slide
        self.vslide.set_draw_value(False)
        self.hslide.set_draw_value(False)
        
        #variables globales que se utilizan en los slides
        self.increment_x = self.increment_y = 1
        self.indicator_x = self.indicator_y = -1
        
        #asignacion de variables de widgets
        self.drawing_area = gtk.DrawingArea()
        self.drawing_area.set_size_request(WIDTH, HEIGHT)
            
        #imagen de fondo
        self.pixbuf = gtk.gdk.pixbuf_new_from_file('images/arco.jpg')
        self.pixbufkeeper = gtk.gdk.pixbuf_new_from_file('images/goalkeeper_downcenter.png')
        
        #self.image = gtk.Image()
        #self.image.set_from_animation(self.pixbufball)
        #vbox.add(self.image)

        window.connect("destroy", lambda w: gtk.main_quit())
        self.drawing_area.connect('configure_event', self.__configure_cb)
        self.drawing_area.connect('expose-event', self.__expose_cb)
        
        #evento que invoca funcion al presionar cualquier tecla
        window.connect('key-press-event', self.__key_press_event_cb)

        #anhadiendo widgets dentro del contenedor principal
        window.add(hbox)
        hbox.add(vbox)
        vbox.add(self.drawing_area)
        vbox.add(self.hslide)
    	hbox.add(self.vslide)
        
        #mostrando los widgets
        window.show_all()
        
        #invocacion de la funcion que realiza loop del slider horizontal
        gobject.timeout_add(DELAY, self.__hslider_move_cb)

    #funcion que se activa al presionar cualquier tecla y pregunta sobre el estado de los indicadores
    def __key_press_event_cb(self, window, event):
        if self.indicator_x == -1 and self.indicator_y == -1:
            self.capturar_valor_hslider()
            gobject.timeout_add(DELAY, self.__vslider_move_cb)
        elif self.indicator_y == -1:
            self.capturar_valor_vslider()
            #invoca a la funcion que dibuja la pelota de acuerdo a los valores de los sliders
            self.draw_ball(self.cv_x,self.cv_y)
        else:
            self.restart_game()
            gobject.timeout_add(DELAY, self.__hslider_move_cb)
            
    def restart_game(self):
        #metodo que refresca el drawing_area
        self.pixmap.draw_pixbuf(None, self.pixbuf, 0, 0, 0, 0, -1, -1,
                                gtk.gdk.RGB_DITHER_NONE, 0, 0)
        self.pixmap.draw_pixbuf(None, self.pixbufkeeper, 0, 0, 0, 200, -1, -1,
                                gtk.gdk.RGB_DITHER_NONE, 0, 0)
        self.drawing_area.queue_draw()
        self.increment_x = self.increment_y = 1
        self.indicator_x = self.indicator_y = -1
        self.hadjustment.value = self.vadjustment.value = 0
    
    #def

    #funcion que hace el loop de los valores del slider horizontal   
    def __hslider_move_cb(self):
        if self.indicator_x < 0:
            self.hadjustment.value += self.increment_x
        
            if self.hadjustment.value >= 100:
    	        self.increment_x *= -1
            elif self.hadjustment.value <= 0:
    	        self.increment_x *= -1
            return True
        else:
            return False
    
    #funcion que hace el loop de los valores del slider vertical
    def __vslider_move_cb(self):
        if self.indicator_y < 0:
            self.vadjustment.value += self.increment_y
        
            if self.vadjustment.value >= 100:
    	        self.increment_y *= -1
            elif self.vadjustment.value <= 0:
    	        self.increment_y *= -1
            return True
        else:
            return False

    #funcion que captura el valor del slider horizontal despues de pulsar una tecla    
    def capturar_valor_hslider(self):
    
        #variable en donde se captura el valor al presionar un tecla
        self.hslide_value = self.hslide.get_value()

        #convierte el valor de changed_value a int
        self.cv_x = (((int(self.hslide_value)) * WIDTH) / 100)
        
        #detener el slider
        self.indicator_x = 0
    
    #funcion que captura el valor del slider vertical despues de pulsar una tecla    
    def capturar_valor_vslider(self):
    
        #variable en donde se captura el valor al presionar un tecla
        self.vslide_value = self.vslide.get_value()
        
        #convierte el valor de changed_value a int
        self.cv_y = (((int(self.vslide_value)) * HEIGHT) / 100)
        
        #self.dimensiones_arco()
        
        self.indicator_y = 0
        
    #funcion que dibuja la pelota
    def draw_ball(self, x, y):
    
        #variables de las dimensiones de la pelota
        self.c_x = x
        self.c_y = y
        self.c_a = self.c_l = 70
        
        #dibujando la pelota con draw_arc
        pixbufball = gtk.gdk.pixbuf_new_from_file('images/soccerball.gif')
        self.pixmap.draw_pixbuf(self.context, pixbufball, 0, 0, self.c_x, self.c_y, -1, -1,
                                gtk.gdk.RGB_DITHER_NONE, 0, 0)
        self.drawing_area.queue_draw()
        #self.canvas.draw_arc(self.context, True, self.c_x, self.c_y, self.c_a, self.c_l, 0, 360*64)

        #pi = 3.14159265
        #r = 35
        #area_pelota = pi * (r ** 2)
        #msg = "area pelota"
        #print msg + "" + str(area_pelota)
        
        #funcion que calcula el gol
        self.calculo_gol(self.c_x, self.c_y, self.c_a)
    
    def calculo_gol(self, c_x, c_y, c):
        #Coordenadas del rectangulo del travesanho
        t_x = 46
        t_y = 133
        t_a = 507
        t_l = 336
        #Coordenadas del rectangulo interior del arco
        i_x = 58
        i_y = 144
        i_a = 484
        i_l = 324
        
        if c_x+c > i_x and c_y+c > i_y and c_x+c < i_x+i_a and c_y+c < i_y+i_l:
            print "gol"
        
    def __configure_cb(self, drawing_area, data=None):
        x, y, width, height = drawing_area.get_allocation()

        canvas = drawing_area.window
        self.pixmap = gtk.gdk.Pixmap(canvas, width, height)

        self.pixmap.draw_pixbuf(None, self.pixbuf, 0, 0, 0, 0, -1, -1,
                                gtk.gdk.RGB_DITHER_NONE, 0, 0)
        self.pixmap.draw_pixbuf(None, self.pixbufkeeper, 0, 0, 0, 200, -1, -1,
                                gtk.gdk.RGB_DITHER_NONE, 0, 0)
        return True

    def __expose_cb(self, drawing_area, data=None):
        x, y, width, height = data.area
        style = drawing_area.get_style()
        self.context = style.fg_gc[gtk.STATE_NORMAL]

        self.canvas = drawing_area.window
        self.canvas.draw_drawable(self.context, self.pixmap, x, y, x, y, width, height)

        return False

if __name__ == "__main__":
    my_app = MyApp()
    gtk.main()