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| author | Walter Bender <walter.bender@gmail.com> | 2012-03-16 00:42:48 (GMT) |
|---|---|---|
| committer | Walter Bender <walter.bender@gmail.com> | 2012-03-16 00:42:48 (GMT) |
| commit | 52f7146ea4ffde83b20d0403187a1ca398a8b2de (patch) | |
| tree | d1fb79246904dbfa7b8c49b51ddc0a2415fb1119 | |
new version of color deducto
| -rw-r--r-- | COPYING | 675 | ||||
| -rw-r--r-- | ColorDeductoActivity.py | 492 | ||||
| -rw-r--r-- | NEWS | 7 | ||||
| -rw-r--r-- | README.txt | 31 | ||||
| -rw-r--r-- | activity/activity-color-deducto.svg | 27 | ||||
| -rw-r--r-- | activity/activity.info | 8 | ||||
| -rw-r--r-- | game.py | 279 | ||||
| -rw-r--r-- | icons/example.svg | 18 | ||||
| -rw-r--r-- | icons/false.svg | 6 | ||||
| -rw-r--r-- | icons/new-game.svg | 91 | ||||
| -rw-r--r-- | icons/resume-play.svg | 7 | ||||
| -rw-r--r-- | icons/true.svg | 6 | ||||
| -rw-r--r-- | mun.py | 178 | ||||
| -rwxr-xr-x | setup.py | 32 | ||||
| -rw-r--r-- | sprites.py | 459 | ||||
| -rw-r--r-- | toolbar_utils.py | 164 | ||||
| -rw-r--r-- | utils.py | 53 |
17 files changed, 2533 insertions, 0 deletions
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If not, see <http://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + <program> Copyright (C) <year> <name of author> + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +<http://www.gnu.org/licenses/>. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +<http://www.gnu.org/philosophy/why-not-lgpl.html>. + diff --git a/ColorDeductoActivity.py b/ColorDeductoActivity.py new file mode 100644 index 0000000..a831c70 --- /dev/null +++ b/ColorDeductoActivity.py @@ -0,0 +1,492 @@ +# -*- coding: utf-8 -*- +#Copyright (c) 2012 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 3 of the License, or +# (at your option) any later version. +# +# You should have received a copy of the GNU General Public License +# along with this library; if not, write to the Free Software +# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA + + +import gtk + +from sugar.activity import activity +from sugar import profile +try: + from sugar.graphics.toolbarbox import ToolbarBox + _have_toolbox = True +except ImportError: + _have_toolbox = False + +if _have_toolbox: + from sugar.activity.widgets import ActivityToolbarButton + from sugar.activity.widgets import StopButton +from sugar.graphics.objectchooser import ObjectChooser + +from toolbar_utils import button_factory, label_factory, separator_factory +from utils import json_load, json_dump + +import telepathy +import dbus +from dbus.service import signal +from dbus.gobject_service import ExportedGObject +from sugar.presence import presenceservice +from sugar.presence.tubeconn import TubeConnection + +from gettext import gettext as _ + +from game import Game, LEVELS_TRUE, LEVELS_FALSE + +import logging +_logger = logging.getLogger('color-deducto-activity') + + +SERVICE = 'in.seeta.ColorDeducto' +IFACE = SERVICE +PATH = '/in/seeta/ColorDeductoActivity' + + +class ColorDeductoActivity(activity.Activity): + """ Logic puzzle game """ + + def __init__(self, handle): + """ Initialize the toolbars and the game board """ + try: + super(ColorDeductoActivity, self).__init__(handle) + except dbus.exceptions.DBusException, e: + _logger.error(str(e)) + + self.nick = profile.get_nick_name() + if profile.get_color() is not None: + self.colors = profile.get_color().to_string().split(',') + else: + self.colors = ['#A0FFA0', '#FF8080'] + + self.level = 0 + self._correct = 0 + self._playing = True + self._game_over = False + + self._python_code = None + + self._setup_toolbars(_have_toolbox) + self._setup_dispatch_table() + + # Create a canvas + canvas = gtk.DrawingArea() + canvas.set_size_request(gtk.gdk.screen_width(), \ + gtk.gdk.screen_height()) + self.set_canvas(canvas) + canvas.show() + self.show_all() + + self._game = Game(canvas, parent=self, colors=self.colors) + + self._sharing = False + self._initiating = False + self._setup_presence_service() + + if 'level' in self.metadata: + self.level = int(self.metadata['level']) + self.status.set_label(_('Resuming level %d') % (self.level + 1)) + self._game.show_random() + else: + self._game.new_game() + + def _setup_toolbars(self, have_toolbox): + """ Setup the toolbars. """ + + self.max_participants = 4 + + if have_toolbox: + toolbox = ToolbarBox() + + # Activity toolbar + activity_button = ActivityToolbarButton(self) + + toolbox.toolbar.insert(activity_button, 0) + activity_button.show() + + self.set_toolbar_box(toolbox) + toolbox.show() + self.toolbar = toolbox.toolbar + + else: + # Use pre-0.86 toolbar design + games_toolbar = gtk.Toolbar() + toolbox = activity.ActivityToolbox(self) + self.set_toolbox(toolbox) + toolbox.add_toolbar(_('Game'), games_toolbar) + toolbox.show() + toolbox.set_current_toolbar(1) + self.toolbar = games_toolbar + + self._new_game_button = button_factory( + 'new-game', self.toolbar, self._new_game_cb, + tooltip=_('Start a new game.')) + + if _have_toolbox: + separator_factory(toolbox.toolbar, False, True) + + self._true_button = button_factory( + 'true', self.toolbar, self._true_cb, + tooltip=_('The pattern matches the rule.')) + + self._false_button = button_factory( + 'false', self.toolbar, self._false_cb, + tooltip=_('The pattern does not match the rule.')) + + if _have_toolbox: + separator_factory(toolbox.toolbar, False, True) + + self._example_button = button_factory( + 'example', self.toolbar, self._example_cb, + tooltip=_('Explore some examples.')) + + self.status = label_factory(self.toolbar, '') + + if _have_toolbox: + separator_factory(toolbox.toolbar, True, False) + + self._gear_button = button_factory( + 'view-source', self.toolbar, + self._gear_cb, + tooltip=_('Load a custom level.')) + + if _have_toolbox: + stop_button = StopButton(self) + stop_button.props.accelerator = '<Ctrl>q' + toolbox.toolbar.insert(stop_button, -1) + stop_button.show() + + def _new_game_cb(self, button=None): + ''' Start a new game. ''' + if (not self._sharing) or self._initiating: + self._game_over = False + self._correct = 0 + self.level = 0 + if not self._playing: + self._example_cb() + self._game.new_game() + if self._initiating: + _logger.debug('sending new game and new grid') + self._send_new_game() + self._send_new_grid() + self.status.set_label(_('Playing level %d') % (self.level + 1)) + else: + self.status.set_label(_('Only sharer can start a new game.')) + + def _test_for_game_over(self): + ''' If we are at maximum levels, the game is over ''' + if self.level == self._game.max_levels: + self.level = 0 + self._game_over = True + self.status.set_label(_('Game over.')) + else: + self.status.set_label(_('Playing level %d') % (self.level + 1)) + self._correct = 0 + if (not self._sharing) or self._initiating: + self._game.show_random() + if self._initiating: + self._send_new_grid() + + def _true_cb(self, button=None): + ''' Declare pattern true or show an example of a true pattern. ''' + if self._game_over: + if (not self._sharing) or self._initiating: + self.status.set_label(_('Click on new game button to begin.')) + else: + self.status.set_label(_('Wait for sharer to start a new game.')) + return + if self._playing: + if self._game.this_pattern: + self._correct += 1 + if self._correct == 5: + self.level += 1 + self._test_for_game_over() + self.metadata['level'] = str(self.level) + else: + self.status.set_label( + _('%d correct answers.') % (self._correct)) + if (not self._sharing) or self._initiating: + self._game.show_random() + if self._initiating: + self._send_new_grid() + else: + self.status.set_label(_('Pattern was false.')) + self._correct = 0 + if (button is not None) and self._sharing: + self._send_true_button_click() + else: + self._game.show_true() + + def _false_cb(self, button=None): + ''' Declare pattern false or show an example of a false pattern. ''' + if self._game_over: + if (not self._sharing) or self._initiating: + self.status.set_label(_('Click on new game button to begin.')) + else: + self.status.set_label(_('Wait for sharer to start a new game.')) + return + if self._playing: + if not self._game.this_pattern: + self._correct += 1 + if self._correct == 5: + self.level += 1 + self._test_for_game_over() + else: + self.status.set_label( + _('%d correct answers.') % (self._correct)) + if (not self._sharing) or self._initiating: + self._game.show_random() + if self._initiating: + self._send_new_grid() + else: + self.status.set_label(_('Pattern was true.')) + self._correct = 0 + if (button is not None) and self._sharing: + self._send_false_button_click() + else: + self._game.show_false() + + def _example_cb(self, button=None): + ''' Show examples or resume play of current level. ''' + if self._playing: + self._example_button.set_icon('resume-play') + self._example_button.set_tooltip(_('Resume play')) + self._true_button.set_tooltip( + _('Show a pattern that matches the rule.')) + self._false_button.set_tooltip( + _('Show a pattern that does not match the rule.')) + self.status.set_label( + _('Explore patterns with the %s and %s buttons.') % ('☑', '☒')) + self._playing = False + else: + self._example_button.set_icon('example') + self._example_button.set_tooltip(_('Explore some examples.')) + self._true_button.set_tooltip( + _('The pattern matches the rule.')) + self._false_button.set_tooltip( + _('The pattern does not match the rule.')) + self.status.set_label(_('Playing level %d') % (self.level + 1)) + self._playing = True + self._correct = 0 + + def _gear_cb(self, button=None): + ''' Load a custom level. ''' + self.status.set_text( + _('Load a "True" pattern generator from the journal')) + self._chooser('org.laptop.Pippy', + self._load_python_code_from_journal) + if self._python_code is None: + return + LEVELS_TRUE.append(self._python_code) + self.status.set_text( + _('Load a "False" pattern generator from the journal')) + self._chooser('org.laptop.Pippy', + self._load_python_code_from_journal) + LEVELS_FALSE.append(self._python_code) + if self._python_code is None: + return + self.status.set_text(_('New level added')) + self._game.max_levels += 1 + + def _load_python_code_from_journal(self, dsobject): + ''' Read the Python code from the Journal object ''' + self._python_code = None + try: + _logger.debug("opening %s " % dsobject.file_path) + file_handle = open(dsobject.file_path, "r") + self._python_code = file_handle.read() + file_handle.close() + except IOError: + _logger.debug("couldn't open %s" % dsobject.file_path) + + def _chooser(self, filter, action): + ''' Choose an object from the datastore and take some action ''' + chooser = None + try: + chooser = ObjectChooser(parent=self, what_filter=filter) + except TypeError: + chooser = ObjectChooser( + None, self, + gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT) + if chooser is not None: + try: + result = chooser.run() + if result == gtk.RESPONSE_ACCEPT: + dsobject = chooser.get_selected_object() + action(dsobject) + dsobject.destroy() + finally: + chooser.destroy() + del chooser + + # Collaboration-related methods + + # The sharer sends patterns and everyone shares whatever vote is + # cast first among all the sharer and joiners. + + def _setup_presence_service(self): + ''' Setup the Presence Service. ''' + self.pservice = presenceservice.get_instance() + self._initiating = None # sharing (True) or joining (False) + + owner = self.pservice.get_owner() + self.owner = owner + self._share = "" + self.connect('shared', self._shared_cb) + self.connect('joined', self._joined_cb) + + def _shared_cb(self, activity): + ''' Either set up initial share...''' + self._new_tube_common(True) + + def _joined_cb(self, activity): + ''' ...or join an exisiting share. ''' + self._new_tube_common(False) + + def _new_tube_common(self, sharer): + ''' Joining and sharing are mostly the same... ''' + if self._shared_activity is None: + _logger.debug("Error: Failed to share or join activity ... \ + _shared_activity is null in _shared_cb()") + return + + self._initiating = sharer + self._sharing = True + + self.conn = self._shared_activity.telepathy_conn + self.tubes_chan = self._shared_activity.telepathy_tubes_chan + self.text_chan = self._shared_activity.telepathy_text_chan + + self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal( + 'NewTube', self._new_tube_cb) + + if sharer: + _logger.debug('This is my activity: making a tube...') + id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube( + SERVICE, {}) + else: + _logger.debug('I am joining an activity: waiting for a tube...') + self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes( + reply_handler=self._list_tubes_reply_cb, + error_handler=self._list_tubes_error_cb) + + def _list_tubes_reply_cb(self, tubes): + ''' Reply to a list request. ''' + for tube_info in tubes: + self._new_tube_cb(*tube_info) + + def _list_tubes_error_cb(self, e): + ''' Log errors. ''' + _logger.debug('Error: ListTubes() failed: %s' % (e)) + + def _new_tube_cb(self, id, initiator, type, service, params, state): + ''' Create a new tube. ''' + _logger.debug('New tube: ID=%d initator=%d type=%d service=%s \ +params=%r state=%d' % (id, initiator, type, service, params, state)) + + if (type == telepathy.TUBE_TYPE_DBUS and service == SERVICE): + if state == telepathy.TUBE_STATE_LOCAL_PENDING: + self.tubes_chan[ \ + telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id) + + tube_conn = TubeConnection(self.conn, + self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES], id, \ + group_iface=self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP]) + + self.chattube = ChatTube(tube_conn, self._initiating, \ + self._event_received_cb) + + def _setup_dispatch_table(self): + ''' Associate tokens with commands. ''' + self._processing_methods = { + 'n': [self._receive_new_game, 'new game'], + 'g': [self._receive_new_grid, 'get a new grid'], + 't': [self._receive_true_button_click, 'get a true button press'], + 'f': [self._receive_false_button_click, 'get a false button press'], + } + + def _event_received_cb(self, event_message): + ''' Data from a tube has arrived. ''' + if len(event_message) == 0: + return + try: + command, payload = event_message.split('|', 2) + except ValueError: + _logger.debug('Could not split event message %s' % (event_message)) + return + self._processing_methods[command][0](payload) + + def _send_new_game(self): + ''' Send a new game message to all players (only sharer sends grids) ''' + self._send_event('n| ') + + def _receive_new_game(self, payload): + ''' Receive a new game notification from the sharer. ''' + self._game_over = False + self._correct = 0 + self.level = 0 + if not self._playing: + self._example_cb() + self.status.set_label(_('Playing level %d') % (self.level + 1)) + + def _send_new_grid(self): + ''' Send a new grid to all players (only sharer sends grids) ''' + self._send_event('g|%s' % (json_dump(self._game.save_grid()))) + + def _receive_new_grid(self, payload): + ''' Receive a grid from the sharer. ''' + (dot_list, boolean) = json_load(payload) + self._game.restore_grid(dot_list, boolean) + + def _send_true_button_click(self): + ''' Send a true click to all the players ''' + self._send_event('t|t') + + def _receive_true_button_click(self, payload): + ''' When a button is clicked, everyone should react. ''' + self._playing = True + self._true_cb() + + def _send_false_button_click(self): + ''' Send a false click to all the players ''' + self._send_event('f|f') + + def _receive_false_button_click(self, payload): + ''' When a button is clicked, everyone should react. ''' + self._playing = True + self._false_cb() + + def _send_event(self, entry): + ''' Send event through the tube. ''' + if hasattr(self, 'chattube') and self.chattube is not None: + self.chattube.SendText(entry) + + +class ChatTube(ExportedGObject): + ''' Class for setting up tube for sharing ''' + + def __init__(self, tube, is_initiator, stack_received_cb): + super(ChatTube, self).__init__(tube, PATH) + self.tube = tube + self.is_initiator = is_initiator # Are we sharing or joining activity? + self.stack_received_cb = stack_received_cb + self.stack = '' + + self.tube.add_signal_receiver(self._send_stack_cb, 'SendText', IFACE, + path=PATH, sender_keyword='sender') + + def _send_stack_cb(self, text, sender=None): + if sender == self.tube.get_unique_name(): + return + self.stack = text + self.stack_received_cb(text) + + @signal(dbus_interface=IFACE, signature='s') + def SendText(self, text): + self.stack = text @@ -0,0 +1,7 @@ +NEWS + +5 + +ENHANCEMENT: +* Rewritten from scratch to be more Sugar-like. + diff --git a/README.txt b/README.txt new file mode 100644 index 0000000..8e395bb --- /dev/null +++ b/README.txt @@ -0,0 +1,31 @@ +Color Deducto is a learning activity to help children learn the art of
+inductive logic through pattern recognition.
+
+
+Inspiration
+
+The initial code of Deducto was written in Perl by Jon Orwant, who
+wrote it as part of this doctorial thesis on EGGG, a game generation
+language, under the guidance of Walter Bender.
+
+Walter then wrote a Javascript version for the web.
+
+Walter wrote Color Deducto to help teach some basic color concepts.
+
+The Deducto Activity was written by a team of engineers at SEETA
+(http://seeta.in): Ashita Dadlani, Anisha Arora, Satyajeet Singh, and
+Manusheel Gupta
+
+A Glade version of Deducto was developed by Assim Deodia, Vijay
+Majumadar and Satyajeet Singh under the guidance of Manusheel Gupta
+and Walter Bender.
+
+A Non-sugarized pygtk version of Deducto was developed by Naveen
+Aggarwal and Pankhuri Gupta under the guidance of Manusheel Gupta and
+Vijay Majumadar.
+
+This version of Color Deducto was written by scratch by Walter in
+order to better match the standard Sugar look and feel.
+
+
+
diff --git a/activity/activity-color-deducto.svg b/activity/activity-color-deducto.svg new file mode 100644 index 0000000..b97dfd9 --- /dev/null +++ b/activity/activity-color-deducto.svg @@ -0,0 +1,27 @@ +<?xml version="1.0" ?><!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 1.1//EN' 'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd' [ + <!ENTITY stroke_color "#000000"> + <!ENTITY fill_color "#FFFFFF"> +]> + <svg enable-background="new 0 0 55 55" + height="55px" + width="55px" + version="1.1" + viewBox="0 0 55 55" + x="0px" + y="0px" + xml:space="preserve" + xmlns="http://www.w3.org/2000/svg" + xmlns:xlink="http://www.w3.org/1999/xlink"> + + <g display="block" id="activity-deducto"> + <rect display="inline" fill="#ff0000" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="7.291" y="7.833"/> + <rect display="inline" fill="&stroke_color;" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="22.625" y="7.833"/> + <rect display="inline" fill="#00ff00" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="37.375" y="7.833"/> + <rect display="inline" fill="&stroke_color;" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="7.291" y="22.75"/> + <rect display="inline" fill="&fill_color;" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="22.625" y="22.75"/> + <rect display="inline" fill="&stroke_color;" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="37.375" y="22.75"/> + <rect display="inline" fill="#ffff00" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="7.291" y="37.625"/> + <rect display="inline" fill="&stroke_color;" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="22.625" y="37.625"/> + <rect display="inline" fill="#0000ff" height="10" stroke="&stroke_color;" stroke-width="0.5" width="10" x="37.375" y="37.625"/> + </g> + </svg> diff --git a/activity/activity.info b/activity/activity.info new file mode 100644 index 0000000..d0af460 --- /dev/null +++ b/activity/activity.info @@ -0,0 +1,8 @@ +[Activity]
+name = ColorDeducto
+exec = sugar-activity ColorDeductoActivity.ColorDeductoActivity
+bundle_id = in.seeta.ColorDeducto
+icon = activity-color-deducto
+activity_version = 5
+show_launcher = yes
+license=GPLv3
@@ -0,0 +1,279 @@ +# -*- coding: utf-8 -*- +#Copyright (c) 2012 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 3 of the License, or +# (at your option) any later version. +# +# You should have received a copy of the GNU General Public License +# along with this library; if not, write to the Free Software +# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA + + +LEVELS_TRUE = ['def generate_pattern(self):\n\ + # Level 1: Center dot is Red\n\ + dot_list = []\n\ + for i in range(25):\n\ + dot_list.append(self._mun_color.random_hvc(0, 10, 4, 7, 3, 3))\n\ + dot_list[12] = self._mun_color.hvc(0, 5, 3)\n\ + return dot_list\n', + 'def generate_pattern(self):\n\ + # Level 2: Monochrome\n\ + dot_list = []\n\ + h = int(uniform(0, 10))\n\ + for i in range(25):\n\ + dot_list.append(self._mun_color.random_hue(h, h))\n\ + return dot_list\n', + 'def generate_pattern(self):\n\ + # Level 3: Max chroma\n\ + dot_list = []\n\ + for i in range(25):\n\ + dot_list.append(self._mun_color.random_hvc(0, 10, 4, 7, 3, 3))\n\ + return dot_list\n'] +LEVELS_FALSE = ['def generate_pattern(self):\n\ + # Level 1: Center dot is not Red\n\ + dot_list = []\n\ + for i in range(25):\n\ + dot_list.append(self._mun_color.random_hvc(0, 10, 4, 7, 3, 3))\n\ + dot_list[12] = self._mun_color.random_hvc(1, 10, 4, 7, 3, 3)\n\ + return dot_list\n', + 'def generate_pattern(self):\n\ + # Level 2: not monochrome\n\ + dot_list = []\n\ + h = int(uniform(0, 8))\n\ + for i in range(25):\n\ + dot_list.append(self._mun_color.random_hue(h, h + 2))\n\ + return dot_list\n', + 'def generate_pattern(self):\n\ + # Level 3: not max chroma\n\ + dot_list = []\n\ + for i in range(25):\n\ + dot_list.append(self._mun_color.random_hvc(0, 10, 4, 7, 0, 3))\n\ + return dot_list\n'] + + +import gtk +import cairo +import gobject + +from math import sqrt +from random import uniform + +import traceback + +from gettext import gettext as _ + +import logging +_logger = logging.getLogger('reflection-activity') + +try: + from sugar.graphics import style + GRID_CELL_SIZE = style.GRID_CELL_SIZE +except ImportError: + GRID_CELL_SIZE = 0 + +from mun import MunColor +from sprites import Sprites, Sprite + +# Grid dimensions +GRID = 5 +WHITE = 2 +DOT_SIZE = 80 + + +class Game(): + + def __init__(self, canvas, parent=None, colors=['#A0FFA0', '#FF8080']): + self._activity = parent + self._colors = [colors[0]] + self._colors.append(colors[1]) + self._mun_color = MunColor() + self._dot_cache = {} + + self._canvas = canvas + if parent is not None: + parent.show_all() + self._parent = parent + + self._canvas.set_flags(gtk.CAN_FOCUS) + self._canvas.connect("expose-event", self._expose_cb) + + self._width = gtk.gdk.screen_width() + self._height = gtk.gdk.screen_height() - (GRID_CELL_SIZE * 1.5) + self._scale = self._width / (10 * DOT_SIZE * 1.2) + self._dot_size = int(DOT_SIZE * self._scale) + self._space = int(self._dot_size / 5.) + self.max_levels = len(LEVELS_TRUE) + self.this_pattern = False + + # Generate the sprites we'll need... + self._sprites = Sprites(self._canvas) + self._dots = [] + self._generate_grid() + + def _generate_grid(self): + ''' Make a new set of dots for a grid of size edge ''' + i = 0 + for y in range(GRID): + for x in range(GRID): + xoffset = int((self._width - GRID * self._dot_size - \ + (GRID - 1) * self._space) / 2.) + xoffset -= int(self._dot_size / 2) # rects aren't centered + if i < len(self._dots): + self._dots[i].move( + (xoffset + x * (self._dot_size + self._space), + y * (self._dot_size + self._space) + self._space)) + else: + self._dots.append( + Sprite(self._sprites, + xoffset + x * (self._dot_size + self._space), + y * (self._dot_size + self._space) + self._space, + self._new_dot(self._colors[0]))) + self._dots[i].type = 0 + self._dots[-1].set_label_attributes(40) + i += 1 + + def show(self, dot_list): + for i in range(GRID * GRID): + self._dots[i].set_shape(self._new_dot(dot_list[i])) + self._dots[i].type = dot_list[i] + + def show_true(self): + self.show(self._generate_pattern(LEVELS_TRUE[self._activity.level])) + self.this_pattern = True + + def show_false(self): + self.show(self._generate_pattern(LEVELS_FALSE[self._activity.level])) + self.this_pattern = False + + def show_random(self): + ''' Fill the grid with a true or false pattern ''' + if int(uniform(0, 2)) == 0: + self.show_true() + else: + self.show_false() + + def _initiating(self): + return self._activity.initiating + + def new_game(self): + ''' Start a new game. ''' + self.show_random() + + def restore_grid(self, dot_list, boolean): + ''' Restore a grid from the share ''' + self.show(dot_list) + self.this_pattern = boolean + + def save_grid(self): + ''' Return dot list for sharing ''' + dot_list = [] + for dot in self._dots: + dot_list.append(dot.type) + return(dot_list, self.this_pattern) + + def _grid_to_dot(self, pos): + ''' calculate the dot index from a column and row in the grid ''' + return pos[0] + pos[1] * GRID + + def _dot_to_grid(self, dot): + ''' calculate the grid column and row for a dot ''' + return [dot % GRID, int(dot / GRID)] + + def _set_label(self, string): + ''' Set the label in the toolbar or the window frame. ''' + self._activity.status.set_label(string) + + def _generate_pattern(self, f): + ''' Run Python code passed as argument ''' + userdefined = {} + try: + exec f in globals(), userdefined + return userdefined['generate_pattern'](self) + except ZeroDivisionError, e: + self._set_label('Python zero-divide error: %s' % (str(e))) + except ValueError, e: + self._set_label('Python value error: %s' % (str(e))) + except SyntaxError, e: + self._set_label('Python syntax error: %s' % (str(e))) + except NameError, e: + self._set_label('Python name error: %s' % (str(e))) + except OverflowError, e: + self._set_label('Python overflow error: %s' % (str(e))) + except TypeError, e: + self._set_label('Python type error: %s' % (str(e))) + except: + self._set_label('Python error') + traceback.print_exc() + return None + + def _expose_cb(self, win, event): + self.do_expose_event(event) + + def do_expose_event(self, event): + ''' Handle the expose-event by drawing ''' + # Restrict Cairo to the exposed area + cr = self._canvas.window.cairo_create() + cr.rectangle(event.area.x, event.area.y, + event.area.width, event.area.height) + cr.clip() + # Refresh sprite list + self._sprites.redraw_sprites(cr=cr) + + def _destroy_cb(self, win, event): + gtk.main_quit() + + def _new_dot(self, color): + ''' generate a dot of a color color ''' + if not color in self._dot_cache: + self._stroke = color + self._fill = color + self._svg_width = self._dot_size * 2 + self._svg_height = self._dot_size * 2 + pixbuf = svg_str_to_pixbuf( + self._header() + \ + self._rect(self._dot_size / 2., self._dot_size / 2., + self._dot_size / 2.) + \ + self._footer()) + + surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, + self._svg_width, self._svg_height) + context = cairo.Context(surface) + context = gtk.gdk.CairoContext(context) + context.set_source_pixbuf(pixbuf, 0, 0) + context.rectangle(0, 0, self._svg_width, self._svg_height) + context.fill() + self._dot_cache[color] = surface + + return self._dot_cache[color] + + def _header(self): + return '<svg\n' + 'xmlns:svg="http://www.w3.org/2000/svg"\n' + \ + 'xmlns="http://www.w3.org/2000/svg"\n' + \ + 'xmlns:xlink="http://www.w3.org/1999/xlink"\n' + \ + 'version="1.1"\n' + 'width="' + str(self._svg_width) + '"\n' + \ + 'height="' + str(self._svg_height) + '">\n' + + def _circle(self, r, cx, cy): + return '<circle style="fill:' + str(self._fill) + ';stroke:' + \ + str(self._stroke) + ';" r="' + str(r - 0.5) + '" cx="' + \ + str(cx) + '" cy="' + str(cy) + '" />\n' + + def _rect(self, r, x, y): + return '<rect style="fill:' + str(self._fill) + ';stroke:' + \ + str(self._stroke) + ';" width="' + str(r * 2) + '" height="' + \ + str(r * 2) + '" x="' + \ + str(x) + '" y="' + str(y) + '" />\n' + + def _footer(self): + return '</svg>\n' + + +def svg_str_to_pixbuf(svg_string): + """ Load pixbuf from SVG string """ + pl = gtk.gdk.PixbufLoader('svg') + pl.write(svg_string) + pl.close() + pixbuf = pl.get_pixbuf() + return pixbuf diff --git a/icons/example.svg b/icons/example.svg new file mode 100644 index 0000000..787b797 --- /dev/null +++ b/icons/example.svg @@ -0,0 +1,18 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!-- Created with Inkscape (http://www.inkscape.org/) --> + +<svg + xmlns:svg="http://www.w3.org/2000/svg" + xmlns="http://www.w3.org/2000/svg" + version="1.0" + width="55" + height="55" + viewBox="0 0 55 55" + id="svg2" > + <path + d="m 50,27.625 c 0,12.3431 -10.1569,22.5 -22.5,22.5 C 15.1569,50.125 5,39.9681 5,27.625 5,15.2819 15.1569,5.125 27.5,5.125 c 12.3431,0 22.5,10.1569 22.5,22.5 z" + style="fill:#FFFFFF" /> + <path + d="m 23.956,27.167 c 0,-1.621 1.8,-1.89 3.645,-2.386 1.8,-0.495 3.6,-1.215 3.6,-3.825 0,-1.98 -1.845,-3.42 -3.734,-3.42 -3.78,0 -4.365,4.455 -7.246,4.455 -1.62,0 -2.745,-1.26 -2.745,-3.24 0,-4.726 5.94,-7.425 9.991,-7.425 5.806,0 10.756,3.6 10.756,9.631 0,4.995 -3.15,7.921 -7.785,9.091 l 0,1.619 c 0,1.801 -1.351,3.105 -3.241,3.105 -2.025,0 -3.24,-1.305 -3.24,-3.105 l 0,-4.5 -0.001,0 z m -0.27,13.77 c 0,-1.935 1.575,-3.51 3.51,-3.51 1.936,0 3.51,1.575 3.51,3.51 0,1.936 -1.574,3.512 -3.51,3.512 -1.935,-10e-4 -3.51,-1.577 -3.51,-3.512 z" + style="fill:#282828;stroke:#282828;stroke-width:0.25;stroke-miterlimit:4;" /> +</svg> diff --git a/icons/false.svg b/icons/false.svg new file mode 100644 index 0000000..dab4ae2 --- /dev/null +++ b/icons/false.svg @@ -0,0 +1,6 @@ +<?xml version="1.0" ?><!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 1.1//EN' 'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd' [ + <!ENTITY stroke_color "#010101"> + <!ENTITY fill_color "#FFFFFF"> +]><svg enable-background="new 0 0 55.125 55" height="55px" version="1.1" viewBox="0 0 55.125 55" width="55.125px" x="0px" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" y="0px"><g display="block" id="dialog-cancel"> + <path d="M27.557,5.053c-12.43,0-22.5,10.076-22.5,22.497c0,12.432,10.07,22.503,22.5,22.503 c12.431,0,22.5-10.071,22.5-22.503C50.057,15.129,39.987,5.053,27.557,5.053z M37.756,33.212c1.254,1.256,1.257,3.291,0,4.545 c-0.628,0.629-1.451,0.943-2.274,0.943c-0.822,0-1.644-0.314-2.27-0.94l-5.76-5.761l-5.76,5.761 c-0.627,0.626-1.449,0.94-2.271,0.94c-0.823,0-1.647-0.314-2.275-0.943c-1.254-1.254-1.254-3.289,0.004-4.545l5.758-5.758 l-5.758-5.758c-1.258-1.254-1.258-3.292-0.004-4.546c1.255-1.254,3.292-1.259,4.546,0l5.76,5.759l5.76-5.759 c1.252-1.259,3.288-1.254,4.544,0c1.257,1.254,1.254,3.292,0,4.546l-5.758,5.758L37.756,33.212z" display="inline" fill="&fill_color;"/> +</g></svg>
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\ No newline at end of file @@ -0,0 +1,178 @@ +#!/usr/bin/env python +#Copyright (c) 2012 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 3 of the License, or +# (at your option) any later version. +# +# You should have received a copy of the GNU General Public License +# along with this library; if not, write to the Free Software +# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA + +# Albert Munsell-inspired class library +# Chromas at values 2-9 by hue + +MUN = [ + [ # Neutral + [52, 52, 52], [73, 73, 73], [97, 97, 97], [122, 122, 122], + [147, 147, 147], [173, 173, 173], [200, 200, 200], [228, 228, 228]], + [ # Chroma low + # 5R + [[66, 44, 49], [90, 69, 66], [115, 93, 90], [140, 117, 115], + [165, 142, 140], [189, 170, 165], [214, 199, 198], [247, 227, 222]], + # 5YR + [[66, 48, 41], [90, 69, 57], [115, 93, 82], [140, 117, 107], + [165, 142, 132], [189, 170, 156], [222, 199, 181], [247, 227, 214]], + # 5Y + [[57, 52, 33], [82, 73, 49], [107, 97, 74], [132, 121, 99], + [156, 146, 123], [181, 174, 148], [214, 203, 173], [239, 231, 198]], + # 5GY + [[49, 52, 41], [66, 77, 57], [90, 97, 74], [115, 125, 99], + [140, 150, 123], [173, 178, 148], [198, 207, 173], [231, 235, 198]], + # 5G + [[41, 52, 49], [57, 77, 66], [82, 101, 90], [107, 125, 115], + [132, 154, 140], [156, 182, 165], [181, 207, 189], [206, 239, 222]], + # 5BG + [[33, 52, 49], [57, 77, 74], [74, 101, 99], [99, 125, 123], + [123, 154, 148], [148, 178, 173], [181, 207, 206], [206, 235, 231]], + # 5B + [[41, 52, 57], [57, 77, 82], [82, 101, 107], [107, 125, 132], + [132, 150, 156], [156, 178, 181], [181, 207, 214], [214, 235, 239]], + # 5PB + [[41, 52, 66], [66, 73, 90], [90, 97, 107], [115, 121, 132], + [140, 150, 156], [165, 174, 189], [198, 203, 214], [222, 231, 239]], + # 5P + [[57, 48, 57], [82, 69, 82], [99, 93, 107], [123, 117, 132], + [156, 146, 156], [181, 170, 181], [206, 199, 214], [231, 227, 239]], + # 5RP + [[66, 44, 57], [90, 69, 74], [107, 93, 99], [132, 117, 123], + [165, 142, 148], [189, 170, 173], [214, 199, 206], [239, 227, 231]]], + [# Chroma moderate + # 5R + [[82, 32, 41], [115, 52, 57], [140, 81, 74], [173, 105, 99], + [198, 130, 123], [222, 158, 156], [239, 190, 189], [-1, -1, -1]], + # 5YR + [[82, 40, 8], [107, 60, 24], [132, 85, 49], [165, 109, 66], + [189, 137, 90], [222, 162, 115], [247, 190, 140], [-1, -1, -1]], + # 5Y + [[57, 48, 8], [82, 73, 33], [115, 93, 24], [140, 121, 41], + [165, 146, 66], [198, 174, 90], [222, 203, 115], [247, 231, 173]], + # 5GY + [[41, 56, 24], [57, 81, 16], [82, 105, 33], [107, 130, 57], + [132, 154, 82], [165, 182, 107], [189, 211, 123], [222, 239, 148]], + # 5G + [[24, 56, 41], [41, 81, 66], [33, 109, 82], [57, 134, 107], + [82, 162, 123], [115, 190, 156], [140, 219, 181], [156, 247, 206]], + # 5BG + [[8, 56, 57], [24, 81, 82], [49, 105, 99], [41, 134, 132], + [66, 162, 156], [99, 190, 181], [123, 219, 206], [140, 247, 231]], + # 5B + [[16, 56, 74], [33, 77, 99], [16, 105, 132], [49, 130, 156], + [82, 158, 181], [107, 186, 206], [132, 215, 239], [-1, -1, -1]], + # 5PB V2-V9 + [[24, 52, 90], [49, 73, 115], [74, 97, 140], [99, 121, 165], + [123, 150, 189], [148, 174, 214], [173, 203, 247], [-1, -1, -1]], + # 5P V2-V9 + [[66, 40, 74], [90, 60, 107], [115, 85, 132], [140, 113, 156], + [165, 138, 181], [189, 166, 206], [214, 195, 239], [-1, -1,-1]], + # 5RP V2-V9 + [[82, 36, 57], [107, 56, 82], [132, 81, 99], [165, 105, 123], + [189, 134, 148], [214, 158, 181], [247, 186, 206], [-1, -1, -1]]], + [# max chroma + # 5R + [[99, 24, 41], [140, 32, 41], [189, 36, 49], [239, 32, 57], + [247, 101, 99], [239, 150, 148], [-1, -1, -1], [-1, -1, -1]], + # 5YR + [[-1, -1, -1], [-1, -1, -1], [140, 81, 33], [181, 101, 24], + [222, 125, 24], [247, 154, 82], [-1, -1, -1], [-1, -1, -1]], + # 5Y + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [-1, -1, -1], + [173, 146, 41], [206, 174, 16], [231, 199, 57], [-1, -1, -1]], + # 5GY + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [107, 130, 24], + [132, 158, 49], [156, 186, 41], [181, 215, 8], [206, 247, 41]], + # 5G + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [8, 138, 99], + [57, 166, 123], [41, 199, 140], [74, 227, 165], [-1, -1, -1]], + # 5BG + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [-1, -1, -1], + [-1,-1, -1], [57, 195, 181], [82, 223, 206], [-1, -1, -1]], + # 5B + [[-1, -1, -1], [-1, -1, -1], [-1, -1, -1], [-1, -1, -1], + [24,162, 198], [74, 190, 222], [-1, -1, -1], [-1, -1, -1]], + # 5PB + [[-1, -1, -1], [33, 73, 123], [41, 97, 165], [49, 121, 206], + [82,150, 239], [140, 178, 231], [-1, -1, -1], [-1, -1, -1]], + # 5P + [[82, 20, 99], [115, 20, 148], [165, 16, 198], [198, 48, 239], + [198, 109, 247], [206, 154, 247], [-1, -1, -1], [-1, -1, -1]], + # 5RP + [[99, 8, 66], [140, 16, 90], [189, 20, 115], [231, 40, 140], + [247, 93, 165], [247, 146, 181], [-1, -1, -1], [-1, -1, -1]]]] + +from random import uniform + +class MunColor(): + + def __init__(self): + self.hue = 0 + self.value = 5 + self.chroma = 1 + + def set_hue(self, hue): + self.hue = hue % 10 + + def set_value(self, value): + self.value = max(min(value, 9), 2) + + def set_chroma(self, chroma): + self.chroma = max(min(chroma, 3), 0) + + def random(self): + self.hue = int(uniform(0, 10)) + self.value = int(uniform(2, 10)) + self.chroma = int(uniform(0, 4)) + return self.get_color() + + def random_chroma(self, c1, c2): + self.hue = int(uniform(0, 10)) + self.value = int(uniform(2, 10)) + self.chroma = int(uniform(c1, c2)) % 4 + return self.get_color() + + def random_value(self, v1, v2): + self.hue = int(uniform(0, 10)) + self.value = max(min(int(uniform(v1, v2)), 9), 2) + self.chroma = int(uniform(0, 4)) + return self.get_color() + + def random_hue(self, h1, h2): + self.hue = int(uniform(h1, h2)) % 10 + self.value = int(uniform(2, 10)) + self.chroma = int(uniform(0, 4)) + return self.get_color() + + def random_hvc(self, h1, h2, v1, v2, c1, c2): + self.hue = int(uniform(h1, h2)) % 10 + self.value = max(min(int(uniform(v1, v2)), 9), 2) + self.chroma = int(uniform(c1, c2)) % 4 + return self.get_color() + + def hvc(self, hue, value, chroma): + self.set_hue(hue) + self.set_value(value) + self.set_chroma(chroma) + return self.get_color() + + def get_color(self): + c = self.chroma + rgb = [-1, -1, -1] + while -1 in rgb: + if c == 0: + rgb = MUN[0][self.value - 2] + else: + rgb = MUN[c][self.hue][self.value - 2] + if -1 in rgb: + c -= 1 + return '#%02x%02x%02x' % (rgb[0], rgb[1], rgb[2]) diff --git a/setup.py b/setup.py new file mode 100755 index 0000000..e5026ee --- /dev/null +++ b/setup.py @@ -0,0 +1,32 @@ +#!/usr/bin/env python +import os +import sys + +if len(sys.argv) > 1 and '--no-sugar' == sys.argv[1]: + # Remove the argument from the stack so we don't cause problems + # for distutils + sys.argv.pop(1) + + import glob, os.path, string + from distutils.core import setup + + DATA_FILES = [ + ('icons', glob.glob('icons/*')), + ('images', glob.glob('images/*')), + ('/usr/share/applications', ['turtleart.desktop']) + ] + + setup (name = 'Turtle Art', + description = "A LOGO-like tool for teaching programming", + author = "Walter Bender", + author_email = "walter.bender@gmail.com", + version = '0.9.4', + packages = ['TurtleArt'], + scripts = ['turtleart'], + data_files = DATA_FILES, + ) +else: + from sugar.activity import bundlebuilder + + if __name__ == "__main__": + bundlebuilder.start() diff --git a/sprites.py b/sprites.py new file mode 100644 index 0000000..2b8bb55 --- /dev/null +++ b/sprites.py @@ -0,0 +1,459 @@ +# -*- coding: utf-8 -*- + +#Copyright (c) 2007-8, Playful Invention Company. +#Copyright (c) 2008-11 Walter Bender + +#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. + +''' + +sprites.py is a simple sprites library for managing graphics objects, +'sprites', on a gtk.DrawingArea. It manages multiple sprites with +methods such as move, hide, set_layer, etc. + +There are two classes: + +class Sprites maintains a collection of sprites +class Sprite manages individual sprites within the collection. + +Example usage: + # Import the classes into your program. + from sprites import Sprites Sprite + + # Create a new sprite collection associated with your widget + self.sprite_list = Sprites(widget) + + # Create a "pixbuf" (in this example, from SVG). + my_pixbuf = svg_str_to_pixbuf("<svg>...some svg code...</svg>") + + # Create a sprite at position x1, y1. + my_sprite = sprites.Sprite(self.sprite_list, x1, y1, my_pixbuf) + + # Move the sprite to a new position. + my_sprite.move((x1+dx, y1+dy)) + + # Create another "pixbuf". + your_pixbuf = svg_str_to_pixbuf("<svg>...some svg code...</svg>") + + # Create a sprite at position x2, y2. + your_sprite = sprites.Sprite(self.sprite_list, x2, y2, my_pixbuf) + + # Assign the sprites to layers. + # In this example, your_sprite will be on top of my_sprite. + my_sprite.set_layer(100) + your_sprite.set_layer(200) + + # Now put my_sprite on top of your_sprite. + my_sprite.set_layer(300) + + cr = self.window.cairo_create() + # In your activity's do_expose_event, put in a call to redraw_sprites + self.sprites.redraw_sprites(event.area, cairo_context) + +# method for converting SVG to a gtk pixbuf +def svg_str_to_pixbuf(svg_string): + pl = gtk.gdk.PixbufLoader('svg') + pl.write(svg_string) + pl.close() + pixbuf = pl.get_pixbuf() + return pixbuf + +''' + +import pygtk +pygtk.require('2.0') +import gtk +import pango +import pangocairo +import cairo + +class Sprites: + ''' A class for the list of sprites and everything they share in common ''' + + def __init__(self, widget): + ''' Initialize an empty array of sprites ''' + self.widget = widget + self.list = [] + self.cr = None + + def set_cairo_context(self, cr): + ''' Cairo context may be set or reset after __init__ ''' + self.cr = cr + + def get_sprite(self, i): + ''' Return a sprint from the array ''' + if i < 0 or i > len(self.list) - 1: + return(None) + else: + return(self.list[i]) + + def length_of_list(self): + ''' How many sprites are there? ''' + return(len(self.list)) + + def append_to_list(self, spr): + ''' Append a new sprite to the end of the list. ''' + self.list.append(spr) + + def insert_in_list(self, spr, i): + ''' Insert a sprite at position i. ''' + if i < 0: + self.list.insert(0, spr) + elif i > len(self.list) - 1: + self.list.append(spr) + else: + self.list.insert(i, spr) + + def remove_from_list(self, spr): + ''' Remove a sprite from the list. ''' + if spr in self.list: + self.list.remove(spr) + + def find_sprite(self, pos, inverse=False): + ''' Search based on (x, y) position. Return the 'top/first' one. ''' + list = self.list[:] + if not inverse: + list.reverse() + for spr in list: + if spr.hit(pos): + return spr + return None + + def redraw_sprites(self, area=None, cr=None): + ''' Redraw the sprites that intersect area. ''' + # I think I need to do this to save Cairo some work + if cr is None: + cr = self.cr + else: + self.cr = cr + if cr is None: + print 'sprites.redraw_sprites: no Cairo context' + return + for spr in self.list: + if area == None: + spr.draw(cr=cr) + else: + intersection = spr.rect.intersect(area) + if intersection.width > 0 or intersection.height > 0: + spr.draw(cr=cr) + + +class Sprite: + ''' A class for the individual sprites ''' + + def __init__(self, sprites, x, y, image): + ''' Initialize an individual sprite ''' + self._sprites = sprites + self.save_xy = (x, y) # remember initial (x, y) position + self.rect = gtk.gdk.Rectangle(int(x), int(y), 0, 0) + self._scale = [12] + self._rescale = [True] + self._horiz_align = ["center"] + self._vert_align = ["middle"] + self._fd = None + self._bold = False + self._italic = False + self._color = None + self._margins = [0, 0, 0, 0] + self.layer = 100 + self.labels = [] + self.cached_surfaces = [] + self._dx = [] # image offsets + self._dy = [] + self.type = None + self.set_image(image) + self._sprites.append_to_list(self) + + def set_image(self, image, i=0, dx=0, dy=0): + ''' Add an image to the sprite. ''' + while len(self.cached_surfaces) < i + 1: + self.cached_surfaces.append(None) + self._dx.append(0) + self._dy.append(0) + self._dx[i] = dx + self._dy[i] = dy + if isinstance(image, gtk.gdk.Pixbuf) or \ + isinstance(image, cairo.ImageSurface): + w = image.get_width() + h = image.get_height() + else: + w, h = image.get_size() + if i == 0: # Always reset width and height when base image changes. + self.rect.width = w + dx + self.rect.height = h + dy + else: + if w + dx > self.rect.width: + self.rect.width = w + dx + if h + dy > self.rect.height: + self.rect.height = h + dy + if isinstance(image, cairo.ImageSurface): + self.cached_surfaces[i] = image + else: # Convert to Cairo surface + surface = cairo.ImageSurface( + cairo.FORMAT_ARGB32, self.rect.width, self.rect.height) + context = cairo.Context(surface) + context = gtk.gdk.CairoContext(context) + context.set_source_pixbuf(image, 0, 0) + context.rectangle(0, 0, self.rect.width, self.rect.height) + context.fill() + self.cached_surfaces[i] = surface + + def move(self, pos): + ''' Move to new (x, y) position ''' + self.inval() + self.rect.x, self.rect.y = int(pos[0]), int(pos[1]) + self.inval() + + def move_relative(self, pos): + ''' Move to new (x+dx, y+dy) position ''' + self.inval() + self.rect.x += int(pos[0]) + self.rect.y += int(pos[1]) + self.inval() + + def get_xy(self): + ''' Return current (x, y) position ''' + return (self.rect.x, self.rect.y) + + def get_dimensions(self): + ''' Return current size ''' + return (self.rect.width, self.rect.height) + + def get_layer(self): + ''' Return current layer ''' + return self.layer + + def set_shape(self, image, i=0): + ''' Set the current image associated with the sprite ''' + self.inval() + self.set_image(image, i) + self.inval() + + def set_layer(self, layer=None): + ''' Set the layer for a sprite ''' + self._sprites.remove_from_list(self) + if layer is not None: + self.layer = layer + for i in range(self._sprites.length_of_list()): + if layer < self._sprites.get_sprite(i).layer: + self._sprites.insert_in_list(self, i) + self.inval() + return + self._sprites.append_to_list(self) + self.inval() + + def set_label(self, new_label, i=0): + ''' Set the label drawn on the sprite ''' + self._extend_labels_array(i) + if type(new_label) is str or type(new_label) is unicode: + # pango doesn't like nulls + self.labels[i] = new_label.replace("\0", " ") + else: + self.labels[i] = str(new_label) + self.inval() + + def set_margins(self, l=0, t=0, r=0, b=0): + ''' Set the margins for drawing the label ''' + self._margins = [l, t, r, b] + + def _extend_labels_array(self, i): + ''' Append to the labels attribute list ''' + if self._fd is None: + self.set_font('Sans') + if self._color is None: + self._color = (0., 0., 0.) + while len(self.labels) < i + 1: + self.labels.append(" ") + self._scale.append(self._scale[0]) + self._rescale.append(self._rescale[0]) + self._horiz_align.append(self._horiz_align[0]) + self._vert_align.append(self._vert_align[0]) + + def set_font(self, font): + ''' Set the font for a label ''' + self._fd = pango.FontDescription(font) + + def set_label_color(self, rgb): + ''' Set the font color for a label ''' + COLORTABLE = {'black': '#000000', 'white': '#FFFFFF', + 'red': '#FF0000', 'yellow': '#FFFF00', + 'green': '#00FF00', 'cyan': '#00FFFF', + 'blue': '#0000FF', 'purple': '#FF00FF', + 'gray': '#808080'} + if rgb.lower() in COLORTABLE: + rgb = COLORTABLE[rgb.lower()] + # Convert from '#RRGGBB' to floats + self._color = (int('0x' + rgb[1:3], 16) / 256., + int('0x' + rgb[3:5], 16) / 256., + int('0x' + rgb[5:7], 16) / 256.) + return + + def set_label_attributes(self, scale, rescale=True, horiz_align="center", + vert_align="middle", i=0): + ''' Set the various label attributes ''' + self._extend_labels_array(i) + self._scale[i] = scale + self._rescale[i] = rescale + self._horiz_align[i] = horiz_align + self._vert_align[i] = vert_align + + def hide(self): + ''' Hide a sprite ''' + self.inval() + self._sprites.remove_from_list(self) + + def restore(self): + ''' Restore a hidden sprite ''' + self.set_layer() + + def inval(self): + ''' Invalidate a region for gtk ''' + self._sprites.widget.queue_draw_area(self.rect.x, + self.rect.y, + self.rect.width, + self.rect.height) + + def draw(self, cr=None): + ''' Draw the sprite (and label) ''' + if cr is None: + print 'sprite.draw: no Cairo context.' + return + for i, surface in enumerate(self.cached_surfaces): + cr.set_source_surface(surface, + self.rect.x + self._dx[i], + self.rect.y + self._dy[i]) + cr.rectangle(self.rect.x + self._dx[i], + self.rect.y + self._dy[i], + self.rect.width, + self.rect.height) + cr.fill() + if len(self.labels) > 0: + self.draw_label(cr) + + def hit(self, pos): + ''' Is (x, y) on top of the sprite? ''' + x, y = pos + if x < self.rect.x: + return False + if x > self.rect.x + self.rect.width: + return False + if y < self.rect.y: + return False + if y > self.rect.y + self.rect.height: + return False + return True + + def draw_label(self, cr): + ''' Draw the label based on its attributes ''' + # Create a pangocairo context + cr = pangocairo.CairoContext(cr) + my_width = self.rect.width - self._margins[0] - self._margins[2] + if my_width < 0: + my_width = 0 + my_height = self.rect.height - self._margins[1] - self._margins[3] + for i in range(len(self.labels)): + pl = cr.create_layout() + pl.set_text(str(self.labels[i])) + self._fd.set_size(int(self._scale[i] * pango.SCALE)) + pl.set_font_description(self._fd) + w = pl.get_size()[0] / pango.SCALE + if w > my_width: + if self._rescale[i]: + self._fd.set_size( + int(self._scale[i] * pango.SCALE * my_width / w)) + pl.set_font_description(self._fd) + w = pl.get_size()[0] / pango.SCALE + else: + j = len(self.labels[i]) - 1 + while(w > my_width and j > 0): + pl.set_text( + "…" + self.labels[i][len(self.labels[i]) - j:]) + self._fd.set_size(int(self._scale[i] * pango.SCALE)) + pl.set_font_description(self._fd) + w = pl.get_size()[0] / pango.SCALE + j -= 1 + if self._horiz_align[i] == "center": + x = int(self.rect.x + self._margins[0] + (my_width - w) / 2) + elif self._horiz_align[i] == 'left': + x = int(self.rect.x + self._margins[0]) + else: # right + x = int(self.rect.x + self.rect.width - w - self._margins[2]) + h = pl.get_size()[1] / pango.SCALE + if self._vert_align[i] == "middle": + y = int(self.rect.y + self._margins[1] + (my_height - h) / 2) + elif self._vert_align[i] == "top": + y = int(self.rect.y + self._margins[1]) + else: # bottom + y = int(self.rect.y + self.rect.height - h - self._margins[3]) + cr.save() + cr.translate(x, y) + cr.set_source_rgb(self._color[0], self._color[1], self._color[2]) + cr.update_layout(pl) + cr.show_layout(pl) + cr.restore() + + def label_width(self): + ''' Calculate the width of a label ''' + cr = pangocairo.CairoContext(self._sprites.cr) + if cr is not None: + max = 0 + for i in range(len(self.labels)): + pl = cr.create_layout() + pl.set_text(self.labels[i]) + self._fd.set_size(int(self._scale[i] * pango.SCALE)) + pl.set_font_description(self._fd) + w = pl.get_size()[0] / pango.SCALE + if w > max: + max = w + return max + else: + return self.rect.width + + def label_safe_width(self): + ''' Return maximum width for a label ''' + return self.rect.width - self._margins[0] - self._margins[2] + + def label_safe_height(self): + ''' Return maximum height for a label ''' + return self.rect.height - self._margins[1] - self._margins[3] + + def label_left_top(self): + ''' Return the upper-left corner of the label safe zone ''' + return(self._margins[0], self._margins[1]) + + def get_pixel(self, pos, i=0): + ''' Return the pixel at (x, y) ''' + x = int(pos[0] - self.rect.x) + y = int(pos[1] - self.rect.y) + if x < 0 or x > (self.rect.width - 1) or \ + y < 0 or y > (self.rect.height - 1): + return(-1, -1, -1, -1) + + # create a new 1x1 cairo surface + cs = cairo.ImageSurface(cairo.FORMAT_RGB24, 1, 1); + cr = cairo.Context(cs) + cr.set_source_surface(self.cached_surfaces[i], -x, -y) + cr.rectangle(0,0,1,1) + cr.set_operator(cairo.OPERATOR_SOURCE) + cr.fill() + cs.flush() # ensure all writing is done + # Read the pixel + pixels = cs.get_data() + return (ord(pixels[2]), ord(pixels[1]), ord(pixels[0]), 0) + diff --git a/toolbar_utils.py b/toolbar_utils.py new file mode 100644 index 0000000..94e6883 --- /dev/null +++ b/toolbar_utils.py @@ -0,0 +1,164 @@ +# -*- 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 3 of the License, or +# (at your option) any later version. +# +# You should have received a copy of the GNU General Public License +# along with this library; if not, write to the Free Software +# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA + + +import gtk + +from sugar.graphics.radiotoolbutton import RadioToolButton +from sugar.graphics.toolbutton import ToolButton +from sugar.graphics.combobox import ComboBox +from sugar.graphics.toolcombobox import ToolComboBox + + +def combo_factory(combo_array, toolbar, callback, cb_arg=None, + tooltip=None, default=None): + '''Factory for making a toolbar combo box''' + combo = ComboBox() + if tooltip is not None and hasattr(combo, 'set_tooltip_text'): + combo.set_tooltip_text(tooltip) + if cb_arg is not None: + combo.connect('changed', callback, cb_arg) + else: + combo.connect('changed', callback) + for i, selection in enumerate(combo_array): + combo.append_item(i, selection, None) + combo.show() + toolitem = gtk.ToolItem() + toolitem.add(combo) + if hasattr(toolbar, 'insert'): # the main toolbar + toolbar.insert(toolitem, -1) + else: # or a secondary toolbar + toolbar.props.page.insert(toolitem, -1) + toolitem.show() + if default is not None: + combo.set_active(combo_array.index(default)) + return combo + + +def entry_factory(default_string, toolbar, tooltip=None, max=3): + ''' Factory for adding a text box to a toolbar ''' + entry = gtk.Entry() + entry.set_text(default_string) + if tooltip is not None and hasattr(entry, 'set_tooltip_text'): + entry.set_tooltip_text(tooltip) + entry.set_width_chars(max) + entry.show() + toolitem = gtk.ToolItem() + toolitem.add(entry) + if hasattr(toolbar, 'insert'): # the main toolbar + toolbar.insert(toolitem, -1) + else: # or a secondary toolbar + toolbar.props.page.insert(toolitem, -1) + toolitem.show() + return entry + + +def button_factory(icon_name, toolbar, callback, cb_arg=None, tooltip=None, + accelerator=None): + '''Factory for making tooplbar buttons''' + button = ToolButton(icon_name) + if tooltip is not None: + button.set_tooltip(tooltip) + button.props.sensitive = True + if accelerator is not None: + button.props.accelerator = accelerator + if cb_arg is not None: + button.connect('clicked', callback, cb_arg) + else: + button.connect('clicked', callback) + if hasattr(toolbar, 'insert'): # the main toolbar + toolbar.insert(button, -1) + else: # or a secondary toolbar + toolbar.props.page.insert(button, -1) + button.show() + return button + + +def radio_factory(name, toolbar, callback, cb_arg=None, tooltip=None, + group=None): + ''' Add a radio button to a toolbar ''' + button = RadioToolButton(group=group) + button.set_named_icon(name) + if callback is not None: + if cb_arg is None: + button.connect('clicked', callback) + else: + button.connect('clicked', callback, cb_arg) + if hasattr(toolbar, 'insert'): # Add button to the main toolbar... + toolbar.insert(button, -1) + else: # ...or a secondary toolbar. + toolbar.props.page.insert(button, -1) + button.show() + if tooltip is not None: + button.set_tooltip(tooltip) + return button + + +def label_factory(toolbar, label_text, width=None): + ''' Factory for adding a label to a toolbar ''' + label = gtk.Label(label_text) + label.set_line_wrap(True) + if width is not None: + label.set_size_request(width, -1) # doesn't work on XOs + label.show() + toolitem = gtk.ToolItem() + toolitem.add(label) + if hasattr(toolbar, 'insert'): # the main toolbar + toolbar.insert(toolitem, -1) + else: # or a secondary toolbar + toolbar.props.page.insert(toolitem, -1) + toolitem.show() + return label + + +def separator_factory(toolbar, expand=False, visible=True): + ''' add a separator to a toolbar ''' + separator = gtk.SeparatorToolItem() + separator.props.draw = visible + separator.set_expand(expand) + if hasattr(toolbar, 'insert'): # the main toolbar + toolbar.insert(separator, -1) + else: # or a secondary toolbar + toolbar.props.page.insert(separator, -1) + separator.show() + + +def image_factory(image, toolbar, tooltip=None): + ''' Add an image to the toolbar ''' + img = gtk.Image() + img.set_from_pixbuf(image) + img_tool = gtk.ToolItem() + img_tool.add(img) + if tooltip is not None: + img.set_tooltip_text(tooltip) + if hasattr(toolbar, 'insert'): # the main toolbar + toolbar.insert(img_tool, -1) + else: # or a secondary toolbar + toolbar.props.page.insert(img_tool, -1) + img_tool.show() + return img + + +def spin_factory(default, min, max, callback, toolbar): + spin_adj = gtk.Adjustment(default, min, max, 1, 32, 0) + spin = gtk.SpinButton(spin_adj, 0, 0) + spin_id = spin.connect('value-changed', callback) + spin.set_numeric(True) + spin.show() + toolitem = gtk.ToolItem() + toolitem.add(spin) + if hasattr(toolbar, 'insert'): # the main toolbar + toolbar.insert(toolitem, -1) + else: + toolbar.props.page.insert(toolitem, -1) + toolitem.show() + return spin diff --git a/utils.py b/utils.py new file mode 100644 index 0000000..ffab831 --- /dev/null +++ b/utils.py @@ -0,0 +1,53 @@ +#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 3 of the License, or +# (at your option) any later version. +# +# You should have received a copy of the GNU General Public License +# along with this library; if not, write to the Free Software +# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA + + +from StringIO import StringIO +try: + OLD_SUGAR_SYSTEM = False + import json + json.dumps + from json import load as jload + from json import dump as jdump +except (ImportError, AttributeError): + try: + import simplejson as json + from simplejson import load as jload + from simplejson import dump as jdump + except: + OLD_SUGAR_SYSTEM = True + + +def json_load(text): + """ Load JSON data using what ever resources are available. """ + if OLD_SUGAR_SYSTEM is True: + listdata = json.read(text) + else: + # strip out leading and trailing whitespace, nulls, and newlines + io = StringIO(text) + try: + listdata = jload(io) + except ValueError: + # assume that text is ascii list + listdata = text.split() + for i, value in enumerate(listdata): + listdata[i] = int(value) + return listdata + + +def json_dump(data): + """ Save data using available JSON tools. """ + if OLD_SUGAR_SYSTEM is True: + return json.write(data) + else: + _io = StringIO() + jdump(data, _io) + return _io.getvalue() |
