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#Copyright (c) 2007-8, Playful Invention Company.
#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.
import pygtk
pygtk.require('2.0')
import gtk
import gobject
import os
import os.path
class taWindow: pass
WIDTH=1200
HEIGHT=780
from math import atan2, pi
DEGTOR = 2*pi/360
from tasetup import *
from tasprites import *
from talogo import *
from taturtle import *
from taproject import *
#
# Setup
#
def twNew(win, path, lang, parent=None):
tw = taWindow()
tw.window = win
tw.path = os.path.join(path,'images',lang)
win.set_flags(gtk.CAN_FOCUS)
win.set_size_request(WIDTH, HEIGHT)
if parent is None: win.show_all()
else: parent.show_all()
win.add_events(gtk.gdk.BUTTON_PRESS_MASK)
win.add_events(gtk.gdk.BUTTON_RELEASE_MASK)
win.add_events(gtk.gdk.POINTER_MOTION_MASK)
win.add_events(gtk.gdk.KEY_PRESS_MASK)
win.connect("expose-event", expose_cb, tw)
win.connect("button-press-event", buttonpress_cb, tw)
win.connect("button-release-event", buttonrelease_cb, tw)
win.connect("motion-notify-event", move_cb, tw)
win.connect("key_press_event", keypress_cb, tw)
tw.area = win.window
tw.gc = tw.area.new_gc()
tw. cm = tw.gc.get_colormap()
tw.bgcolor = tw.cm.alloc_color('#fff8de')
tw.textcolor = tw.cm.alloc_color('black')
tw.sprites = []
tw.selected_block = None
tw.draggroup = None
setup_selectors(tw)
setup_toolbar(tw)
select_category(tw, tw.selbuttons[0])
tw.turtle = tNew(tw,WIDTH,HEIGHT)
tw.lc = lcNew(tw)
tw.load_save_folder = os.path.join(path,'samples')
tw.save_folder = None
tw.save_file_name = None
return tw
#
# Button Press
#
def buttonpress_cb(win, event, tw):
win.grab_focus()
tw.block_operation = 'click'
if tw.selected_block!=None: unselect(tw)
setlayer(tw.status_spr,400)
pos = xy(event)
x,y = pos
spr = findsprite(tw,pos)
if spr==None: return True
if spr.type == 'selbutton':
select_category(tw,spr)
elif spr.type == 'tool':
tooldispatch(tw, spr)
elif spr.type == 'category':
block_selector_pressed(tw,x,y)
elif spr.type == 'block':
block_pressed(tw,event,x,y,spr)
elif spr.type == 'turtle':
turtle_pressed(tw,x,y)
return True
def block_selector_pressed(tw,x,y):
if tw.category_spr.image==tw.hidden_palette_icon:
for i in tw.selbuttons: setlayer(i,800)
select_category(tw,tw.selbuttons[0])
else:
proto = get_proto_from_category(tw,x,y)
if proto==None: return
if proto!='hide': new_block_from_category(tw,proto,x,y)
else:
for i in tw.selbuttons: hide(i)
setshape(tw.category_spr, tw.hidden_palette_icon)
def get_proto_from_category(tw,x,y):
dx,dy = x-tw.category_spr.x, y-tw.category_spr.y,
pixel = getpixel(tw.current_category.mask,dx,dy)
index = ((pixel%256)>>3)-1
if index==0: return 'hide'
index-=1
if index>len(tw.current_category.blockprotos): return None
return tw.current_category.blockprotos[index]
def select_category(tw, spr):
if hasattr(tw, 'current_category'):
setshape(tw.current_category, tw.current_category.offshape)
setshape(spr, spr.onshape)
tw.current_category = spr
setshape(tw.category_spr,spr.group)
def new_block_from_category(tw,proto,x,y):
if proto == None: return True
newspr = sprNew(tw,x-20,y-20,proto.image)
setlayer(newspr,2000)
tw.dragpos = 20,20
newspr.type = 'block'
newspr.proto = proto
if newspr.proto.name == 'number': newspr.label=100
newspr.connections = [None]*len(proto.docks)
for i in range(len(proto.defaults)):
dock = proto.docks[i+1]
numproto = tw.protodict['number']
numdock = numproto.docks[0]
nx,ny = newspr.x+dock[2]-numdock[2],newspr.y+dock[3]-numdock[3]
argspr = sprNew(tw,nx,ny,numproto.image)
argspr.type = 'block'
argspr.proto = numproto
argspr.label = str(proto.defaults[i])
setlayer(argspr,2000)
argspr.connections = [newspr,None]
newspr.connections[i+1] = argspr
tw.draggroup = findgroup(newspr)
tw.block_operation = 'move'
def block_pressed(tw,event,x,y,spr):
if event.get_state()>k.gdk.CONTROL_MASK:
newspr = clone_stack(tw,x-spr.x-20,y-spr.y-20, spr)
tw.dragpos = x-newspr.x,y-newspr.y
tw.draggroup = findgroup(newspr)
else:
tw.dragpos = x-spr.x,y-spr.y
tw.draggroup = findgroup(spr)
for b in tw.draggroup: setlayer(b,2000)
disconnect(spr)
def clone_stack(tw,dx,dy,spr):
newspr = sprNew(tw,spr.x+dx,spr.y+dy,spr.proto.image)
newspr.type = spr.type
newspr.proto = spr.proto
newspr.label = spr.label
newspr.connections = [None]*len(spr.proto.docks)
for i in range(1,len(spr.connections)):
if(spr.connections[i]==None): continue
clonearg=clone_stack(tw,dx,dy,spr.connections[i])
newspr.connections[i]=clonearg
clonearg.connections[0]=newspr
setlayer(newspr,2000)
return newspr
def turtle_pressed(tw,x,y):
dx,dy = x-tw.turtle.spr.x-30,y-tw.turtle.spr.y-30
if dx*dx+dy*dy > 200: tw.dragpos = ('turn', tw.turtle.heading-atan2(dy,dx)/DEGTOR,0)
else: tw.dragpos = ('move', x-tw.turtle.spr.x,y-tw.turtle.spr.y)
tw.draggroup = [tw.turtle.spr]
#
# Mouse move
#
def move_cb(win, event, tw):
if tw.draggroup == None: return True
tw.block_operation = 'move'
spr = tw.draggroup[0]
x,y = xy(event)
if spr.type=='block':
dragx, dragy = tw.dragpos
dx,dy = x-dragx-spr.x,y-dragy-spr.y
for b in tw.draggroup:
move(b,(b.x+dx, b.y+dy))
elif spr.type=='turtle':
type,dragx,dragy = tw.dragpos
if type == 'move':
dx,dy = x-dragx-spr.x,y-dragy-spr.y
move(spr, (spr.x+dx, spr.y+dy))
else:
dx,dy = x-spr.x-30,y-spr.y-30
seth(tw.turtle, int(dragx+atan2(dy,dx)/DEGTOR+5)/10*10)
return True
#
# Button release
#
def buttonrelease_cb(win, event, tw):
if tw.draggroup == None: return True
spr = tw.draggroup[0]
x,y = xy(event)
if spr.type == 'turtle':
tw.turtle.xcor = tw.turtle.spr.x-tw.turtle.canvas.x-tw.turtle.canvas.width/2+30
tw.turtle.ycor = tw.turtle.canvas.height/2-tw.turtle.spr.y+tw.turtle.canvas.y-30
move_turtle(tw.turtle)
tw.draggroup = None
return True
if tw.block_operation=='move' and hit(tw.category_spr, (x,y)):
for b in tw.draggroup: hide(b)
tw.draggroup = None
return True
snap_to_dock(tw)
for b in tw.draggroup: setlayer(b,650)
tw.draggroup = None
if tw.block_operation=='click':
if spr.proto.name=='number':
tw.selected_block = spr
move(tw.select_mask, (spr.x-5,spr.y-5))
setlayer(tw.select_mask, 660)
tw.firstkey = True
else: run_stack(tw, spr)
return True
def snap_to_dock(tw):
d=200
me = tw.draggroup[0]
for mydockn in range(len(me.proto.docks)):
for you in blocks(tw):
if you in tw.draggroup: continue
for yourdockn in range(len(you.proto.docks)):
thisxy = dock_dx_dy(you,yourdockn,me,mydockn)
if magnitude(thisxy)>d: continue
d=magnitude(thisxy)
bestxy=thisxy
bestyou=you
bestyourdockn=yourdockn
bestmydockn=mydockn
if d<200:
for b in tw.draggroup: move(b,(b.x+bestxy[0],b.y+bestxy[1]))
blockindock=bestyou.connections[bestyourdockn]
if blockindock!=None:
for b in findgroup(blockindock): hide(b)
bestyou.connections[bestyourdockn]=me
me.connections[bestmydockn]=bestyou
def dock_dx_dy(block1,dock1n,block2,dock2n):
dock1 = block1.proto.docks[dock1n]
dock2 = block2.proto.docks[dock2n]
d1type,d1dir,d1x,d1y=dock1[0:4]
d2type,d2dir,d2x,d2y=dock2[0:4]
if (d2type!='num') or (dock2n!=0):
if block1.connections[dock1n] != None: return (100,100)
if block2.connections[dock2n] != None: return (100,100)
if block1==block2: return (100,100)
if d1type!=d2type: return (100,100)
if d1dir==d2dir: return (100,100)
return (block1.x+d1x)-(block2.x+d2x),(block1.y+d1y)-(block2.y+d2y)
def magnitude(pos):
x,y = pos
return x*x+y*y
#
# Repaint
#
def expose_cb(win, event, tw):
# tw.gc.set_foreground(tw.bgcolor)
# tw.area.draw_rectangle(tw.gc, True, 0, 0, WIDTH, HEIGHT)
redrawsprites(tw)
return True
#
# Keyboard
#
def keypress_cb(area, event,tw):
keyname = gtk.gdk.keyval_name(event.keyval)
# print keyname,event.get_state()
if (event.get_state()>k.gdk.MOD4_MASK):
if keyname=="n": new_project(tw)
if keyname=="o": load_file(tw)
if keyname=="s": save_file(tw)
if keyname=="k": tw.activity.clear_journal()
return True
if tw.selected_block==None: return False
keyname = gtk.gdk.keyval_name(event.keyval)
if keyname in ['minus', 'period']: keyname = {'minus': '-', 'period': '.'}[keyname]
if len(keyname)>1: return True
oldnum = tw.selected_block.label
if tw.firstkey: newnum = numcheck(keyname,'0')
else: newnum = oldnum+keyname
setlabel(tw.selected_block, numcheck(newnum,oldnum))
tw.firstkey = False
return True
def numcheck(new, old):
if new in ['-', '.', '-.']: return new
if new=='.': return '0.'
try: float(new); return new
except ValueError,e : return old
def unselect(tw):
if tw.selected_block.label in ['-', '.', '-.']: select_block.setlabel('0')
hide(tw.select_mask)
tw.selected_block = None
#
# Block utilities
#
def disconnect(b):
if b.connections[0]==None: return
b2=b.connections[0]
b2.connections[b2.connections.index(b)] = None
b.connections[0] = None
def run_stack(tw,spr):
top = find_top_block(spr)
run_blocks(tw.lc, top, blocks(tw))
gobject.idle_add(doevalstep, tw.lc)
def findgroup(b):
group=[b]
for b2 in b.connections[1:]:
if b2!=None: group.extend(findgroup(b2))
return group
def find_top_block(spr):
while spr.connections[0]!=None: spr=spr.connections[0]
return spr
def tooldispatch(tw, spr):
if spr.blocktype == 'hideshow': hideshow_blocks(tw,spr)
elif spr.blocktype == 'eraser': runtool(tw, spr, clearscreen, tw.turtle)
elif spr.blocktype == 'stopit': stop_logo(tw)
def runtool(tw, spr, cmd, *args):
setshape(spr,spr.onshape)
cmd(*(args))
gobject.timeout_add(250,setshape,spr,spr.offshape)
def hideshow_blocks(tw,spr):
if spr.image==spr.offshape:
for b in blocks(tw): setlayer(b,100)
setshape(spr,spr.onshape)
else:
for b in blocks(tw): setlayer(b,650)
setshape(spr,spr.offshape)
inval(tw.turtle.canvas)
def blocks(tw): return [spr for spr in tw.sprites if spr.type == 'block']
def xy(event): return map(int, event.get_coords())
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