#mousing_around.py
# Demo mouse use in ezgraphics.
# Click points, draw line successively between them

from ezgraphics import GraphicsWindow

width = int(input("Enter width of graphics window: "))
height = int(input("Enter height of graphics window: "))

print("In the graphics window click points with the mouse button")

win = GraphicsWindow(width,height)
win.setTitle("Mousing demo")

win.showStatus()
win.setStatus("Click points with the mouse button")

canvas = win.canvas() 
canvas.drawText(10, 10, "Click points with the mouse button")

xp,yp = win.getMouse()    #get the first point as a 2-tuple (a pair of numbers)
win.setStatus("("+str(xp)+","+str(yp)+")  Click points with the mouse button")
canvas.setColor("red")
canvas.drawOval(xp-1,yp-1, 3,3)  #draw a red circle at the first point

while True:
    x,y = win.getMouse()    #gets a point as a 2-tuple (a pair of numbers)
    win.setStatus("("+str(x)+","+str(y)+")  Click points with the mouse button")
    canvas.setColor("red")
    canvas.drawOval(x-1,y-1, 3,3)
    canvas.setColor("black")
    canvas.drawLine(xp,yp, x,y)  #draw a line from previous point to this point
    xp,yp = x,y    #update previous point to this point