def set_adjustment(self):
maxx = 0
maxy = 0
# max value of the scrolls should be the block more distant + 50 in x and y
for block in self.get_children():
if block.get_x()+block.get_width() > maxx:
maxx = block.get_x()+block.get_width()
if block.get_y()+block.get_height() > maxy:
maxy = block.get_y()+block.get_height()
self.get_hadjustment().set_all(self.get_hadjustment().value, 0, maxx+50, 1)
self.get_vadjustment().set_all(self.get_vadjustment().value, 0, maxy+50, 1)
# resize canvas
self.set_size(maxx+10, maxy+10)
def paste(self):
block = None
cpblocks = []
cpblocks = self.copy_group( self.buffer )
for block in cpblocks:
block.set_position( block.get_position() + Vector(20, 20) )
block.put_aux( self, block.get_x(), block.get_y() )
self.buffer = cpblocks
self.unselect( self.get_children() )
self.select( self.buffer )
self.set_group( block )
self.sort_blocks()
def on_expose(self, widget, event):
if self.first_expose == False and event and widget:
self.drawable = event.window
self.gc = self.drawable.new_gc()
self.cm = self.gc.get_colormap()
self.bg = self.cm.alloc_color("#ffffff")
if self.find_startblock() == None:
self.startblock = start_block()
self.startblock.put(self, 10, 10)
self.set_clicked( self.startblock )
self.change_done()
self.first_expose = True
self.set_adjustment()
for block in self.get_children()[:]:
if block.was_put == False:
block.put(self, block.get_x(), block.get_y() )
#blocos no fim da lista são desenhados na frente
block.draw(self.drawable, self.gc)
if self.clicked:
#seta ao lado do bloco
self.drawable.draw_pixbuf( self.gc, self.arrow, 0, 0, self.clicked.get_x()-self.arrow.get_width(), self.clicked.get_y()+self.clicked.get_height()/2-self.arrow.get_height()/2 )
if not self.create_block is None:
if self.mousex != -1 and self.mousey != -1:
#uma imagem flutuando com uma previsão do novo bloco a ser criado
self.drawable.draw_pixbuf( self.gc, self.create_block.get_image()[0], 0, 0, self.mousex, self.mousey )
# retângulo de selecão
if self.selectrect_on == True:
self.gc.set_line_attributes(1, gtk.gdk.LINE_DOUBLE_DASH, gtk.gdk.CAP_ROUND, gtk.gdk.JOIN_ROUND)
self.drawable.draw_rectangle( self.gc, False, self.selectrect.x, self.selectrect.y, self.selectrect.w-1, self.selectrect.h-1 )
return True
def on_button_release(self, widget, event):
if self.clicked:
self.arrow_mark_dirty()
self.clicked.brelease( Vector(event.x, event.y) )
self.arrow_mark_dirty()
if self.selectrect_on == True:
if self.selectrect.w > 0 and self.selectrect.h > 0:
self.selectrect_mark_dirty()
collide_pix = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, self.selectrect.w, self.selectrect.h )
collide_pix.fill( 0x00000000 )
collide_pix = collide_pix.add_alpha(False, chr(255), chr(255), chr(255) )
group = set()
for block in self.get_children():
if self.selectrect.pos_inside( block.get_position() ) or collide_pixbuf(block.get_x(), block.get_y(), block.get_image()[0], self.selectrect.x, self.selectrect.y, collide_pix):
group.add( block )
self.unselect( self.get_children() )
self.select( group )
self.set_group( self.clicked )
self.selectrect_on = False
self.get_toplevel().window.set_cursor(None)
self.set_adjustment()
