if started and len(mousepos) == 0:
# erase old line if mouse is not over grid
if len(oldline) > 0:
eraseline(oldline)
oldline = []
g.update()
elif started and len(mousepos) > 0 and mousepos != oldmouse:
# mouse has moved, so erase old line (if any) and draw new line
if len(oldline) > 0: eraseline(oldline)
x, y = mousepos.split()
oldline = drawline(startx, starty, int(x), int(y))
oldmouse = mousepos
# ------------------------------------------------------------------------------
g.show("Click where to start line...")
oldcursor = g.getcursor()
g.setcursor("Draw")
drawstate = g.getoption("drawingstate")
oldline = []
firstcell = [] # pos and state of the 1st cell clicked
try:
drawlines()
finally:
g.setcursor(oldcursor)
if len(oldline) > 0: eraseline(oldline)
if len(firstcell) > 0:
x, y, s = firstcell
g.setcell(x, y, s)
counted += 1
statecount[g.getcell(col, row)] += 1
newsecs = time()
if newsecs - oldsecs >= 1.0: # show % done every sec
oldsecs = newsecs
done = 100.0 * float(counted) / float(totalcells)
g.show("Counting cell states... %.2f%%" % done)
g.dokey(g.getkey())
statecount = [int(10 * math.log((x + 1), 2)) for x in statecount]
totalcells = sum(statecount)
if statecount[0] == counted: g.exit("Selection is empty.")
# save current layer's info before we switch layers
currname = g.getname()
currcursor = g.getcursor()
currcolors = g.getcolors()
currstates = g.numstates()
deads, deadr, deadg, deadb = g.getcolors(0)
# create histogram in separate layer
g.setoption("stacklayers", 0)
g.setoption("tilelayers", 0)
g.setoption("showlayerbar", 1)
if histlayer == -1:
histlayer = g.addlayer()
else:
g.setlayer(histlayer)
g.new(histname)
g.setcursor(currcursor)
g.putcells(selpatt, x - firstx, y - firsty)
oldmouse = mousepos
g.update()
# ------------------------------------------------------------------------------
selrect = g.getselrect()
if len(selrect) == 0: g.exit("There is no selection.")
selpatt = g.getcells(selrect)
# remember initial selection in case user aborts script
firstrect = g.getselrect()
firstpatt = g.getcells(selrect)
g.show("Click anywhere in selection, move mouse and click again..." + helpmsg)
oldcursor = g.getcursor()
g.setcursor("Move")
oldcells = []
try:
aborted = True
moveselection()
aborted = False
finally:
g.setcursor(oldcursor)
if aborted:
g.clear(0)
if len(oldcells) > 0: g.putcells(oldcells)
g.putcells(firstpatt)
g.select(firstrect)
else:
