# -*- coding: utf-8 -*- #Copyright (c) 2011, Walter Bender # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA import gtk from time import time import os.path from gettext import gettext as _ try: from sugar.datastore import datastore except ImportError: pass from plugin import Plugin from TurtleArt.tapalette import make_palette from TurtleArt.talogo import primitive_dictionary, logoerror, \ media_blocks_dictionary from TurtleArt.taconstants import DEFAULT_SCALE, ICON_SIZE, CONSTANTS from TurtleArt.tautils import convert, round_int, debug_output from TurtleArt.tajail import myfunc, myfunc_import def _num_type(x): """ Is x a number type? """ if type(x) == int: return True if type(x) == float: return True if type(x) == ord: return True return False def _string_to_num(x): """ Try to comvert a string to a number """ xx = convert(x.replace(self.tw.decimal_point, '.'), float) if type(xx) is float: return xx else: xx, xflag = chr_to_ord(x) if xflag: return xx else: raise logoerror("#syntaxerror") def _millisecond(): """ Current time in milliseconds """ return time() * 1000 class Turtle_blocks_plugin(Plugin): """ a class for defining the extra palettes that distinguish Turtle Blocks from Turtle Art """ def __init__(self, parent): self.tw = parent def setup(self): self.heap = self.tw.lc.heap self.keyboard = self.tw.lc.keyboard self.title_height = int((self.tw.canvas.height / 20) * self.tw.scale) # set up Turtle Block palettes self._flow_palette() self._media_palette() self._sensor_palette() self._extras_palette() self._portfolio_palette() # Palette definitions def _flow_palette(self): palette = make_palette('flow', colors=["#FFC000", "#A08000"], help_string=_('Palette of flow operators')) # macro palette.add_block('while', style='flow-style-boolean', label=_('while'), help_string=_('do-while-True operator that uses \ boolean operators from Numbers palette')) # macro palette.add_block('until', style='flow-style-boolean', label=_('until'), help_string=_('do-until-True operator that uses \ boolean operators from Numbers palette')) def _media_palette(self): palette = make_palette('media', colors=["#A0FF00", "#80A000"], help_string=_('Palette of media objects')) palette.add_block('journal', style='box-style-media', label=' ', default='None', special_name=_('journal'), help_string=_('Sugar Journal media object')) palette.add_block('audio', style='box-style-media', label=' ', special_name=_('audio'), default='None', help_string=_('Sugar Journal audio object')) palette.add_block('video', style='box-style-media', label=' ', special_name=_('video'), default='None', help_string=_('Sugar Journal video object')) palette.add_block('description', style='box-style-media', label=' ', special_name=_('description'), default='None', help_string=_('Sugar Journal description field')) palette.add_block('string', style='box-style', label=_('text'), default=_('text'), special_name='', help_string=_('string value')) primitive_dictionary['show'] = self._prim_show palette.add_block('show', style='basic-style-1arg', label=_('show'), default=_('text'), prim_name='show', help_string=_('draws text or show media from the \ Journal')) self.tw.lc.def_prim('show', 1, lambda self, x: primitive_dictionary['show'](x, True)) palette.add_block('showaligned', hidden=True, style='basic-style-1arg', label=_('show aligned'), default=_('text'), prim_name='showaligned', help_string=_('draws text or show media from the \ Journal')) self.tw.lc.def_prim('showaligned', 1, lambda self, x: primitive_dictionary['show'](x, False)) # deprecated primitive_dictionary['write'] = self._prim_write palette.add_block('write', hidden=True, style='basic-style-1arg', label=_('show'), default=[_('text'), 32], prim_name='write', help_string=_('draws text or show media from the \ Journal')) self.tw.lc.def_prim('write', 2, lambda self, x, y: primitive_dictionary['write'](x, y)) primitive_dictionary['setscale'] = self._prim_setscale palette.add_block('setscale', style='basic-style-1arg', label=_('set scale'), prim_name='setscale', default=33, help_string=_('sets the scale of media')) self.tw.lc.def_prim('setscale', 1, lambda self, x: primitive_dictionary['setscale'](x)) primitive_dictionary['savepix'] = self._prim_save_picture palette.add_block('savepix', style='basic-style-1arg', label=_('save picture'), prim_name='savepix', default=_('picture name'), help_string=_('saves a picture to the Sugar \ Journal')) self.tw.lc.def_prim('savepix', 1, lambda self, x: primitive_dictionary['savepix'](x)) primitive_dictionary['savesvg'] = self._prim_save_svg palette.add_block('savesvg', style='basic-style-1arg', label=_('save SVG'), prim_name='savesvg', default=_('picture name'), help_string=_('saves turtle graphics as an SVG file \ in the Sugar Journal')) self.tw.lc.def_prim('savesvg', 1, lambda self, x: primitive_dictionary['savesvg'](x)) palette.add_block('scale', style='box-style', label=_('scale'), prim_name='scale', value_block=True, help_string=_('holds current scale value')) self.tw.lc.def_prim('scale', 0, lambda self: self.tw.lc.scale) palette.add_block('mediawait', style='basic-style-extended-vertical', label=_('media wait'), prim_name='mediawait', help_string=_('wait for current video or audio to \ complete')) self.tw.lc.def_prim('mediawait', 0, self.tw.lc.media_wait, True) def _sensor_palette(self): palette = make_palette('sensor', colors=["#FF6060", "#A06060"], help_string=_('Palette of sensor blocks')) primitive_dictionary['kbinput'] = self._prim_kbinput palette.add_block('kbinput', style='basic-style-extended-vertical', label=_('query keyboard'), prim_name='kbinput', help_string=_('query for keyboard input (results \ stored in keyboard block)')) self.tw.lc.def_prim('kbinput', 0, lambda self: primitive_dictionary['kbinput']()) palette.add_block('keyboard', style='box-style', label=_('keyboard'), prim_name='keyboard', value_block=True, help_string=_('holds results of query-keyboard \ block')) self.tw.lc.def_prim('keyboard', 0, lambda self: self.tw.lc.keyboard) primitive_dictionary['readpixel'] = self._prim_readpixel palette.add_block('readpixel', style='basic-style-extended-vertical', label=_('read pixel'), prim_name='readpixel', help_string=_('RGB color under the turtle is pushed \ to the stack')) self.tw.lc.def_prim('readpixel', 0, lambda self: primitive_dictionary['readpixel']()) primitive_dictionary['see'] = self._prim_see palette.add_block('see', style='box-style', label=_('turtle sees'), prim_name='see', help_string=_('returns the color that the turtle \ "sees"')) self.tw.lc.def_prim('see', 0, lambda self: primitive_dictionary['see']()) primitive_dictionary['time'] = self._prim_time palette.add_block('time', style='box-style', label=_('time'), prim_name='time', value_block=True, help_string=_('elapsed time (in seconds) since \ program started')) self.tw.lc.def_prim('time', 0, lambda self: primitive_dictionary['time']()) def _extras_palette(self): palette = make_palette('extras', colors=["#FF0000", "#A00000"], help_string=_('Palette of extra options')) primitive_dictionary['push'] = self._prim_push palette.add_block('push', style='basic-style-1arg', label=_('push'), prim_name='push', help_string=_('pushes value onto FILO (first-in \ last-out heap)')) self.tw.lc.def_prim('push', 1, lambda self, x: primitive_dictionary['push'](x)) primitive_dictionary['printheap'] = self._prim_printheap palette.add_block('printheap', style='basic-style-extended-vertical', label=_('show heap'), prim_name='printheap', help_string=_('shows values in FILO (first-in \ last-out heap)')) self.tw.lc.def_prim('printheap', 0, lambda self: primitive_dictionary['printheap']()) primitive_dictionary['clearheap'] = self._prim_emptyheap palette.add_block('clearheap', style='basic-style-extended-vertical', label=_('empty heap'), prim_name='clearheap', help_string=_('emptys FILO (first-in-last-out \ heap)')) self.tw.lc.def_prim('clearheap', 0, lambda self: primitive_dictionary['clearheap']()) primitive_dictionary['pop'] = self._prim_pop palette.add_block('pop', style='box-style', label=_('pop'), prim_name='pop', value_block=True, help_string=_('pops value off FILO (first-in \ last-out heap)')) self.tw.lc.def_prim('pop', 0, lambda self: primitive_dictionary['pop']()) primitive_dictionary['print'] = self._prim_print palette.add_block('comment', style='basic-style-1arg', label=_('comment'), prim_name='comment', default=_('comment'), help_string=_('places a comment in your code')) self.tw.lc.def_prim('comment', 1, lambda self, x: primitive_dictionary['print'](x, True)) palette.add_block('print', style='basic-style-1arg', label=_('print'), prim_name='print', help_string=_('prints value in status block at \ bottom of the screen')) self.tw.lc.def_prim('print', 1, lambda self, x: primitive_dictionary['print'](x, False)) primitive_dictionary['myfunction'] = self._prim_myfunction palette.add_block('myfunc1arg', style='number-style-var-arg', label=[_('Python'), 'f(x)', 'x'], prim_name='myfunction', default=['x', 100], help_string=_('a programmable block: used to add \ advanced single-variable math equations, e.g., sin(x)')) self.tw.lc.def_prim('myfunction', 2, lambda self, f, x: primitive_dictionary['myfunction'](f, [x])) palette.add_block('myfunc2arg', hidden=True, style='number-style-var-arg', label=[_('Python'), 'f(x,y)', 'x'], prim_name='myfunction2', default=['x+y', 100, 100], help_string=_('a programmable block: used to add \ advanced multi-variable math equations, e.g., sqrt(x*x+y*y)')) self.tw.lc.def_prim('myfunction2', 3, lambda self, f, x, y: primitive_dictionary['myfunction']( f, [x, y])) palette.add_block('myfunc3arg', hidden=True, style='number-style-var-arg', label=[_('Python'), 'f(x,y,z)', 'x'], prim_name='myfunction3', default=['x+y+z', 100, 100, 100], help_string=_('a programmable block: used to add \ advanced multi-variable math equations, e.g., sin(x+y+z)')) self.tw.lc.def_prim('myfunction3', 4, lambda self, f, x, y, z: primitive_dictionary['myfunction']( f, [x, y, z])) primitive_dictionary['userdefined'] = self._prim_myblock palette.add_block('userdefined', style='basic-style-var-arg', label=' ', prim_name='userdefined', special_name=_('Python block'), default=100, help_string=_('runs code found in the tamyblock.py \ module found in the Journal')) self.tw.lc.def_prim('userdefined', 1, lambda self, x: primitive_dictionary['userdefined']([x])) palette.add_block('userdefined2args', hidden=True, style='basic-style-var-arg', label=' ', prim_name='userdefined2', special_name=_('Python block'), default=[100, 100], help_string=_('runs code found in the tamyblock.py \ module found in the Journal')) self.tw.lc.def_prim('userdefined2', 2, lambda self, x, y: primitive_dictionary['userdefined']([x, y])) palette.add_block('userdefined3args', hidden=True, style='basic-style-var-arg', label=' ', prim_name='userdefined3', special_name=_('Python block'), default=[100, 100, 100], help_string=_('runs code found in the tamyblock.py \ module found in the Journal')) self.tw.lc.def_prim('userdefined3', 3, lambda self, x, y, z: primitive_dictionary['userdefined']( [x, y, z])) palette.add_block('cartesian', style='basic-style-extended-vertical', label=_('Cartesian'), prim_name='cartesian', help_string=_('displays Cartesian coordinates')) self.tw.lc.def_prim('cartesian', 0, lambda self: self.tw.set_cartesian(True)) palette.add_block('polar', style='basic-style-extended-vertical', label=_('polar'), prim_name='polar', help_string=_('displays polar coordinates')) self.tw.lc.def_prim('polar', 0, lambda self: self.tw.set_polar(True)) palette.add_block('addturtle', style='basic-style-1arg', label=_('turtle'), prim_name='turtle', default=1, help_string=_('chooses which turtle to command')) self.tw.lc.def_prim('turtle', 1, lambda self, x: self.tw.canvas.set_turtle(x)) primitive_dictionary['skin'] = self._prim_reskin palette.add_block('skin', hidden=True, style='basic-style-1arg', label=_('turtle shell'), prim_name='skin', help_string=_("put a custom 'shell' on the turtle")) self.tw.lc.def_prim('skin', 1, lambda self, x: primitive_dictionary['skin'](x)) # macro palette.add_block('reskin', style='basic-style-1arg', label=_('turtle shell'), help_string=_("put a custom 'shell' on the turtle")) palette.add_block('sandwichtop_no_label', style='collapsible-top-no-label', label=[' ', ' '], special_name=_('top'), prim_name='nop', help_string=_('top of a collapsed stack')) palette.add_block('sandwichbottom', style='collapsible-bottom', label=[' ', ' '], prim_name='nop', special_name=_('bottom'), help_string=_('bottom of a collapsible stack')) palette.add_block('sandwichcollapsed', hidden=True, style='invisible', label=' ', prim_name='nop', help_string=_('bottom block in a collapsed stack: \ click to open')) # deprecated blocks palette.add_block('sandwichtop', hidden=True, style='collapsible-top', label=_('top of stack'), default=_('label'), prim_name='comment', help_string=_('top of stack')) palette.add_block('sandwichtop_no_arm', hidden=True, style='collapsible-top-no-arm', label=_('top of a collapsible stack'), default=_('label'), prim_name='comment', help_string=_('top of stack')) palette.add_block('sandwichtop_no_arm_no_label', hidden=True, style='collapsible-top-no-arm-no-label', label=[' ', _('click to open')], prim_name='nop', help_string=_('top of stack')) def _portfolio_palette(self): palette = make_palette('portfolio', colors=["#0606FF", "#0606A0"], help_string=_('Palette of presentation templates')) palette.add_block('hideblocks', style='basic-style-extended-vertical', label=_('hide blocks'), prim_name='hideblocks', help_string=_('declutters canvas by hiding blocks')) self.tw.lc.def_prim('hideblocks', 0, lambda self: self.tw.hideblocks()) palette.add_block('showblocks', style='basic-style-extended-vertical', label=_('show blocks'), prim_name='showblocks', help_string=_('restores hidden blocks')) self.tw.lc.def_prim('showblocks', 0, lambda self: self.tw.showblocks()) palette.add_block('fullscreen', style='basic-style-extended-vertical', label=_('full screen'), prim_name='fullscreen', help_string=_('hides the Sugar toolbars')) self.tw.lc.def_prim('fullscreen', 0, lambda self: self.tw.set_fullscreen()) primitive_dictionary['bulletlist'] = self._prim_list palette.add_block('list', hidden=True, style='bullet-style', label=_('list'), prim_name='bulletlist', default=['∙ ', '∙ '], help_string=_('presentation bulleted list')) self.tw.lc.def_prim('bulletlist', 1, primitive_dictionary['bulletlist'], True) # macros palette.add_block('picturelist', style='basic-style-extended', label=' ', help_string=_('presentation template: list of \ bullets')) palette.add_block('picture1x1a', style='basic-style-extended', label=' ', help_string=_('presentation template: select \ Journal object (no description)')) palette.add_block('picture1x1', style='basic-style-extended', label=' ', help_string=_('presentation template: select \ Journal object (with description)')) palette.add_block('picture2x2', style='basic-style-extended', label=' ', help_string=_('presentation template: select four \ Journal objects')) palette.add_block('picture2x1', style='basic-style-extended', label=' ', help_string=_('presentation template: select two \ Journal objects')) palette.add_block('picture1x2', style='basic-style-extended', label=' ', help_string=_('presentation template: select two \ Journal objects')) # Display-dependent constants palette.add_block('leftpos', style='box-style', label=_('left'), prim_name='lpos', help_string=_('xcor of left of screen')) self.tw.lc.def_prim('lpos', 0, lambda self: CONSTANTS['leftpos']) palette.add_block('bottompos', style='box-style', label=_('bottom'), prim_name='bpos', help_string=_('ycor of bottom of screen')) self.tw.lc.def_prim('bpos', 0, lambda self: CONSTANTS['bottompos']) palette.add_block('width', style='box-style', label=_('width'), prim_name='hres', help_string=_('the canvas width')) self.tw.lc.def_prim('hres', 0, lambda self: CONSTANTS['width']) palette.add_block('rightpos', style='box-style', label=_('right'), prim_name='rpos', help_string=_('xcor of right of screen')) self.tw.lc.def_prim('rpos', 0, lambda self: CONSTANTS['rightpos']) palette.add_block('toppos', style='box-style', label=_('top'), prim_name='tpos', help_string=_('ycor of top of screen')) self.tw.lc.def_prim('tpos', 0, lambda self: CONSTANTS['toppos']) palette.add_block('height', style='box-style', label=_('height'), prim_name='vres', help_string=_('the canvas height')) self.tw.lc.def_prim('vres', 0, lambda self: CONSTANTS['height']) palette.add_block('titlex', hidden=True, style='box-style', label=_('title x'), prim_name='titlex') self.tw.lc.def_prim('titlex', 0, lambda self: CONSTANTS['titlex']) palette.add_block('titley', hidden=True, style='box-style', label=_('title y'), prim_name='titley') self.tw.lc.def_prim('titley', 0, lambda self: CONSTANTS['titley']) palette.add_block('leftx', hidden=True, style='box-style', label=_('left x'), prim_name='leftx') self.tw.lc.def_prim('leftx', 0, lambda self: CONSTANTS['leftx']) palette.add_block('topy', hidden=True, style='box-style', label=_('top y'), prim_name='topy') self.tw.lc.def_prim('topy', 0, lambda self: CONSTANTS['topy']) palette.add_block('rightx', hidden=True, style='box-style', label=_('right x'), prim_name='rightx') self.tw.lc.def_prim('rightx', 0, lambda self: CONSTANTS['rightx']) palette.add_block('bottomy', hidden=True, style='box-style', label=_('bottom y'), prim_name='bottomy') self.tw.lc.def_prim('bottomy', 0, lambda self: CONSTANTS['bottomy']) # deprecated blocks primitive_dictionary['t1x1'] = self._prim_t1x1 palette.add_block('template1x1', hidden=True, style='portfolio-style-1x1', label=' ', prim_name='t1x1', default=[_('Title'), 'None'], special_name=_('presentation 1x1'), help_string=_('presentation template: select \ Journal object (with description)')) self.tw.lc.def_prim('t1x1', 2, lambda self, a, b: primitive_dictionary['t1x1'](a, b)) primitive_dictionary['t1x1a'] = self._prim_t1x1a palette.add_block('template1x1a', hidden=True, style='portfolio-style-1x1', label=' ', prim_name='t1x1a', default=[_('Title'), 'None'], special_name=_('presentation 1x1'), help_string=_('presentation template: select \ Journal object (no description)')) self.tw.lc.def_prim('t1x1a', 2, lambda self, a, b: primitive_dictionary['t1x1a'](a, b)) primitive_dictionary['2x1'] = self._prim_t2x1 palette.add_block('template2x1', hidden=True, style='portfolio-style-2x1', label=' ', prim_name='t2x1', default=[_('Title'), 'None', 'None'], special_name=_('presentation 2x1'), help_string=_("presentation template: select two \ Journal objects")) self.tw.lc.def_prim('t2x1', 3, lambda self, a, b, c: primitive_dictionary['t2x1'](a, b, c)) primitive_dictionary['1x2'] = self._prim_t1x2 palette.add_block('template1x2', hidden=True, style='portfolio-style-1x2', label=' ', prim_name='t1x2', default=[_('Title'), 'None', 'None'], special_name=_('presentation 1x2'), help_string=_("presentation template: select two \ Journal objects")) self.tw.lc.def_prim('t1x2', 3, lambda self, a, b, c: primitive_dictionary['t1x2'](a, b, c)) primitive_dictionary['t2x2'] = self._prim_t2x2 palette.add_block('template2x2', hidden=True, style='portfolio-style-2x2', label=' ', prim_name='t2x2', default=[_('Title'), 'None', 'None', 'None', 'None'], special_name=_('presentation 2x2'), help_string=_("presentation template: select four \ Journal objects")) self.tw.lc.def_prim('t2x2', 5, lambda self, a, b, c, d, e: primitive_dictionary['t2x2']( a, b, c, d, e)) palette.add_block('templatelist', hidden=True, style='bullet-style', label=' ', prim_name='bullet', default=[_('Title'), '∙ '], special_name=_('presentation bulleted list'), help_string=_('presentation template: list of \ bullets')) self.tw.lc.def_prim('bullet', 1, self._prim_list, True) # Block primitives def _prim_emptyheap(self): """ Empty FILO """ self.tw.lc.heap = [] def _prim_kbinput(self): """ Query keyboard """ if len(self.tw.keypress) == 1: self.tw.lc.keyboard = ord(self.tw.keypress[0]) else: try: self.tw.lc.keyboard = {'Escape': 27, 'space': 32, ' ': 32, 'Return': 13, 'KP_Up': 2, 'KP_Down': 4, 'KP_Left': 1, 'KP_Right': 3}[self.tw.keypress] except KeyError: self.tw.lc.keyboard = 0 self.tw.lc.update_label_value('keyboard', self.tw.lc.keyboard) self.tw.keypress = '' def _prim_list(self, blklist): """ Expandable list block """ self._prim_showlist(blklist) self.tw.lc.ireturn() yield True def _prim_myblock(self, x): """ Run Python code imported from Journal """ if self.tw.lc.bindex is not None and \ self.tw.lc.bindex in self.tw.myblock: try: if len(x) == 1: myfunc_import(self, self.tw.myblock[self.tw.lc.bindex], x[0]) else: myfunc_import(self, self.tw.myblock[self.tw.lc.bindex], x) except: raise logoerror("#syntaxerror") def _prim_myfunction(self, f, x): """ Programmable block """ try: y = myfunc(f, x) if str(y) == 'nan': debug_output('Python function returned NAN', self.tw.running_sugar) self.tw.lc.stop_logo() raise logoerror("#notanumber") else: return y except ZeroDivisionError: self.tw.lc.stop_logo() raise logoerror("#zerodivide") except ValueError, e: self.tw.lc.stop_logo() raise logoerror('#' + str(e)) except SyntaxError, e: self.tw.lc.stop_logo() raise logoerror('#' + str(e)) except NameError, e: self.tw.lc.stop_logo() raise logoerror('#' + str(e)) except OverflowError: self.tw.lc.stop_logo() raise logoerror("#overflowerror") except TypeError: self.tw.lc.stop_logo() raise logoerror("#notanumber") def _prim_pop(self): """ Pop value off of FILO """ if len(self.tw.lc.heap) == 0: raise logoerror("#emptyheap") else: if len(self.tw.lc.heap) == 1: self.tw.lc.update_label_value('pop') else: self.tw.lc.update_label_value('pop', self.tw.lc.heap[-2]) return self.tw.lc.heap.pop(-1) def _prim_print(self, n, flag): """ Print object n """ if flag and (self.tw.hide or self.tw.step_time == 0): return if type(n) == str or type(n) == unicode: if n[0:6] == 'media_' and \ n[6:].lower not in media_blocks_dictionary: try: if self.tw.running_sugar: try: dsobject = datastore.get(n[6:]) except: debug_output("Couldn't open %s" % (n[6:]), self.tw.running_sugar) self.tw.showlabel('status', dsobject.metadata['title']) dsobject.destroy() else: self.tw.showlabel('status', n[6:]) except IOError: self.tw.showlabel('status', n) else: self.tw.showlabel('status', n) elif type(n) == int: self.tw.showlabel('status', n) else: self.tw.showlabel('status', str(round_int(n)).replace('.', self.tw.decimal_point)) def _prim_printheap(self): """ Display contents of heap """ heap_as_string = str(self.tw.lc.heap) if len(heap_as_string) > 80: self.tw.showlabel('status', str(self.tw.lc.heap)[0:79] + '…') else: self.tw.showlabel('status', str(self.tw.lc.heap)) def _prim_push(self, val): """ Push value onto FILO """ self.tw.lc.heap.append(val) self.tw.lc.update_label_value('pop', val) def _prim_readpixel(self): """ Read r, g, b, a from the canvas and push b, g, r to the stack """ r, g, b, a = self.tw.canvas.get_pixel() self.tw.lc.heap.append(b) self.tw.lc.heap.append(g) self.tw.lc.heap.append(r) def _prim_reskin(self, media): """ Reskin the turtle with an image from a file """ scale = int(ICON_SIZE * float(self.tw.lc.scale) / DEFAULT_SCALE) if scale < 1: return self.tw.lc.filepath = None dsobject = None if os.path.exists(media[6:]): # is it a path? self.tw.lc.filepath = media[6:] elif self.tw.running_sugar: # is it a datastore object? try: dsobject = datastore.get(media[6:]) except: debug_output("Couldn't open skin %s" % (media[6:]), self.tw.running_sugar) if dsobject is not None: self.tw.lc.filepath = dsobject.file_path if self.tw.lc.filepath == None: self.tw.showlabel('nojournal', self.tw.lc.filepath) return pixbuf = None try: pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(self.tw.lc.filepath, scale, scale) except: self.tw.showlabel('nojournal', self.tw.lc.filepath) debug_output("Couldn't open skin %s" % (self.tw.lc.filepath), self.tw.running_sugar) if pixbuf is not None: self.tw.active_turtle.set_shapes([pixbuf]) pen_state = self.tw.active_turtle.get_pen_state() if pen_state: self.tw.canvas.setpen(False) self.tw.canvas.forward(0) if pen_state: self.tw.canvas.setpen(True) def _prim_save_picture(self, name): """ Save canvas to file as PNG """ self.tw.save_as_image(name) def _prim_save_svg(self, name): """ Save SVG to file """ self.tw.canvas.svg_close() self.tw.save_as_image(name, True) def _prim_see(self): """ Read r, g, b from the canvas and return a corresponding palette color """ r, g, b, a = self.tw.canvas.get_pixel() color_index = self.tw.canvas.get_color_index(r, g, b) self.tw.lc.update_label_value('see', color_index) return color_index def _prim_setscale(self, scale): """ Set the scale used by the show block """ self.tw.lc.scale = scale self.tw.lc.update_label_value('scale', scale) def _prim_show(self, string, center=False): """ Show is the general-purpose media-rendering block. """ if type(string) == str or type(string) == unicode: if string in ['media_', 'descr_', 'audio_', 'video_', 'media_None', 'descr_None', 'audio_None', 'video_None']: pass elif string[0:6] in ['media_', 'descr_', 'audio_', 'video_']: self.tw.lc.filepath = None self.tw.lc.dsobject = None if string[6:].lower() in media_blocks_dictionary: media_blocks_dictionary[string[6:].lower()]() elif os.path.exists(string[6:]): # is it a path? self.tw.lc.filepath = string[6:] elif self.tw.running_sugar: # is it a datastore object? try: self.tw.lc.dsobject = datastore.get(string[6:]) except: debug_output("Couldn't find dsobject %s" % ( string[6:]), self.tw.running_sugar) if self.tw.lc.dsobject is not None: self.tw.lc.filepath = self.tw.lc.dsobject.file_path if self.tw.lc.filepath == None: if self.tw.lc.dsobject is not None: self.tw.showlabel('nojournal', self.tw.lc.dsobject.metadata['title']) else: self.tw.showlabel('nojournal', string[6:]) debug_output("Couldn't open %s" % (string[6:]), self.tw.running_sugar) elif string[0:6] == 'media_': self.tw.lc.insert_image(center) elif string[0:6] == 'descr_': mimetype = None if self.tw.lc.dsobject is not None and \ 'mime_type' in self.tw.lc.dsobject.metadata: mimetype = self.tw.lc.dsobject.metadata['mime_type'] description = None if self.tw.lc.dsobject is not None and \ 'description' in self.tw.lc.dsobject.metadata: description = self.tw.lc.dsobject.metadata[ 'description'] self.tw.lc.insert_desc(mimetype, description) elif string[0:6] == 'audio_': self.tw.lc.play_sound() elif string[0:6] == 'video_': self.tw.lc.play_video() if self.tw.lc.dsobject is not None: self.tw.lc.dsobject.destroy() else: # assume it is text to display x, y = self.tw.lc.x2tx(), self.tw.lc.y2ty() if center: y -= self.tw.canvas.textsize self.tw.canvas.draw_text(string, x, y, int(self.tw.canvas.textsize * \ self.tw.lc.scale / 100.), self.tw.canvas.width - x) elif type(string) == float or type(string) == int: string = round_int(string) x, y = self.tw.lc.x2tx(), self.tw.lc.y2ty() if center: y -= self.tw.canvas.textsize self.tw.canvas.draw_text(string, x, y, int(self.tw.canvas.textsize * \ self.tw.lc.scale / 100.), self.tw.canvas.width - x) def _prim_showlist(self, sarray): """ Display list of media objects """ x = self.tw.canvas.xcor / self.tw.coord_scale y = self.tw.canvas.ycor / self.tw.coord_scale for s in sarray: self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(s) y -= int(self.tw.canvas.textsize * self.tw.lead) def _prim_time(self): """ Number of seconds since program execution has started or clean (prim_clear) block encountered """ elapsed_time = int(time() - self.tw.lc.start_time) self.tw.lc.update_label_value('time', elapsed_time) return elapsed_time # Deprecated blocks def _prim_t1x1(self, title, media): """ title, one image, and description """ xo = self.tw.calc_position('t1x1')[2] x = -(self.tw.canvas.width / 2) + xo y = self.tw.canvas.height / 2 self.tw.canvas.setxy(x, y, pendown=False) # save the text size so we can restore it later save_text_size = self.tw.canvas.textsize # set title text self.tw.canvas.settextsize(self.title_height) self._prim_show(title) # calculate and set scale for media blocks myscale = 45 * (self.tw.canvas.height - self.title_height * 2) \ / self.tw.canvas.height self._prim_setscale(myscale) # set body text size self.tw.canvas.settextsize(self.tw.lc.body_height) # render media object # leave some space below the title y -= int(self.title_height * 2 * self.tw.lead) self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media) if self.tw.running_sugar: x = 0 self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media.replace('media_', 'descr_')) # restore text size self.tw.canvas.settextsize(save_text_size) def _prim_t2x1(self, title, media1, media2): """ title, two images (horizontal), two descriptions """ xo = self.tw.calc_position('t2x1')[2] x = -(self.tw.canvas.width / 2) + xo y = self.tw.canvas.height / 2 self.tw.canvas.setxy(x, y, pendown=False) # save the text size so we can restore it later save_text_size = self.tw.canvas.textsize # set title text self.tw.canvas.settextsize(self.title_height) self._prim_show(title) # calculate and set scale for media blocks myscale = 45 * (self.tw.canvas.height - self.title_height * 2) / \ self.tw.canvas.height self._prim_setscale(myscale) # set body text size self.tw.canvas.settextsize(self.tw.lc.body_height) # render four quadrents # leave some space below the title y -= int(self.title_height * 2 * self.tw.lead) self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media1) x = 0 self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media2) y = -self.title_height if self.tw.running_sugar: self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media2.replace('media_', 'descr_')) x = -(self.tw.canvas.width / 2) + xo self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media1.replace('media_', 'descr_')) # restore text size self.tw.canvas.settextsize(save_text_size) def _prim_t1x2(self, title, media1, media2): """ title, two images (vertical), two desciptions """ xo = self.tw.calc_position('t1x2')[2] x = -(self.tw.canvas.width / 2) + xo y = self.tw.canvas.height / 2 self.tw.canvas.setxy(x, y, pendown=False) # save the text size so we can restore it later save_text_size = self.tw.canvas.textsize # set title text self.tw.canvas.settextsize(self.title_height) self._prim_show(title) # calculate and set scale for media blocks myscale = 45 * (self.tw.canvas.height - self.title_height * 2) / \ self.tw.canvas.height self._prim_setscale(myscale) # set body text size self.tw.canvas.settextsize(self.tw.lc.body_height) # render four quadrents # leave some space below the title y -= int(self.title_height * 2 * self.tw.lead) self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media1) if self.tw.running_sugar: x = 0 self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media1.replace('media_', 'descr_')) y = -self.title_height self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media2.replace('media_', 'descr_')) x = -(self.tw.canvas.width / 2) + xo self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media2) # restore text size self.tw.canvas.settextsize(save_text_size) def _prim_t2x2(self, title, media1, media2, media3, media4): """ title and four images """ xo = self.tw.calc_position('t2x2')[2] x = -(self.tw.canvas.width / 2) + xo y = self.tw.canvas.height / 2 self.tw.canvas.setxy(x, y, pendown=False) # save the text size so we can restore it later save_text_size = self.tw.canvas.textsize # set title text self.tw.canvas.settextsize(self.title_height) self._prim_show(title) # calculate and set scale for media blocks myscale = 45 * (self.tw.canvas.height - self.title_height * 2) / \ self.tw.canvas.height self._prim_setscale(myscale) # set body text size self.tw.canvas.settextsize(self.tw.lc.body_height) # render four quadrents # leave some space below the title y -= int(self.title_height * 2 * self.tw.lead) self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media1) x = 0 self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media2) y = -self.title_height self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media4) x = -(self.tw.canvas.width / 2) + xo self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media3) # restore text size self.tw.canvas.settextsize(save_text_size) def _prim_t1x1a(self, title, media1): """ title, one media object """ xo = self.tw.calc_position('t1x1a')[2] x = -(self.tw.canvas.width / 2) + xo y = self.tw.canvas.height / 2 self.tw.canvas.setxy(x, y, pendown=False) # save the text size so we can restore it later save_text_size = self.tw.canvas.textsize # set title text self.tw.canvas.settextsize(self.title_height) self._prim_show(title) # calculate and set scale for media blocks myscale = 90 * (self.tw.canvas.height - self.title_height * 2) / \ self.tw.canvas.height self._prim_setscale(myscale) # set body text size self.tw.canvas.settextsize(self.tw.lc.body_height) # render media object # leave some space below the title y -= int(self.title_height * 2 * self.tw.lead) self.tw.canvas.setxy(x, y, pendown=False) self._prim_show(media1) # restore text size self.tw.canvas.settextsize(save_text_size) def _prim_write(self, string, fsize): """ Write string at size """ x = self.tw.canvas.width / 2 + int(self.tw.canvas.xcor) y = self.tw.canvas.height / 2 - int(self.tw.canvas.ycor) self.tw.canvas.draw_text(string, x, y - 15, int(fsize), self.tw.canvas.width)