/
Widgets.py
1067 lines (832 loc) · 39 KB
/
Widgets.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Widgets.py por:
# Flavio Danesse <fdanesse@gmail.com>
# CeibalJAM! - Uruguay
# 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 os
import logging
from gettext import gettext as _
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GdkPixbuf
from gi.repository import GObject
from gi.repository import Pango
from sugar3 import mime
from sugar3 import profile
from sugar3.graphics.objectchooser import ObjectChooser
try:
from sugar3.graphics.objectchooser import FILTER_TYPE_GENERIC_MIME
except:
FILTER_TYPE_GENERIC_MIME = 'generic_mime'
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.graphics.toolbutton import ToolButton
from sugar3.graphics.radiotoolbutton import RadioToolButton
from sugar3.activity.widgets import StopButton
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.graphics import style
from sugar3.graphics.icon import Icon, EventIcon
from graphics import Chart, CHART_TYPE_PIE
import colors
from roundbox import RoundBox
basepath = os.path.dirname(__file__)
# check the darker user color
xo_color = profile.get_color()
my_colors = [xo_color.get_stroke_color(),
xo_color.get_fill_color()]
darker_color_str = my_colors[colors.darker_color(my_colors)]
class Toolbar(ToolbarBox):
def __init__(self, activity):
ToolbarBox.__init__(self)
activity_button = ActivityToolbarButton(activity)
self.toolbar.insert(activity_button, 0)
activity_button.show()
separator = Gtk.SeparatorToolItem()
self.toolbar.insert(separator, -1)
self.choose_button = RadioToolButton('view-list')
self.choose_button.set_tooltip(_('Choose a Poll'))
self.toolbar.insert(self.choose_button, -1)
modes_group = self.choose_button
self.create_button = RadioToolButton('new-poll')
self.create_button.set_tooltip(_('Build a Poll'))
self.toolbar.insert(self.create_button, -1)
self.create_button.props.group = modes_group
self.settings_button = ToolButton('preferences-system')
self.settings_button.set_tooltip(_('Settings'))
self.settings_button.palette_invoker.props.toggle_palette = True
self.settings_button.palette_invoker.props.lock_palette = True
self.settings_button.props.hide_tooltip_on_click = False
palette = self.settings_button.get_palette()
hbox = Gtk.HBox()
self._options_palette = OptionsPalette(activity)
hbox.pack_start(self._options_palette, True, True,
style.DEFAULT_SPACING)
hbox.show_all()
palette.set_content(hbox)
self.toolbar.insert(self.settings_button, -1)
self.toolbar.insert(Gtk.SeparatorToolItem(), -1)
self.pie_chart_button = RadioToolButton('pie-chart')
self.pie_chart_button.set_tooltip(_('Pie chart'))
self.toolbar.insert(self.pie_chart_button, -1)
charts_group = self.pie_chart_button
self.vbar_chart_button = RadioToolButton('vbar-chart')
self.vbar_chart_button.set_tooltip(_('Vertical bar chart'))
self.toolbar.insert(self.vbar_chart_button, -1)
self.vbar_chart_button.props.group = charts_group
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
self.toolbar.insert(separator, -1)
separator.show()
self.toolbar.insert(StopButton(activity), -1)
# add the export buttons
activity_button.page.insert(Gtk.SeparatorToolItem(), -1)
self.export_data_bt = ToolButton('save-as-data')
self.export_data_bt.props.tooltip = _('Export data')
activity_button.page.insert(self.export_data_bt, -1)
self.export_image_bt = ToolButton('save-as-image')
self.export_image_bt.set_tooltip(_("Save as Image"))
activity_button.page.insert(self.export_image_bt, -1)
activity_button.page.show_all()
self.show_all()
def update_configs(self):
self._options_palette.update_configs()
class NewPollCanvas(Gtk.EventBox):
"""
widgets to set up a new poll or editing existing poll.
editing is False to start a new poll.
editing is True to edit the current poll.
"""
def __init__(self, poll, editing=False):
Gtk.EventBox.__init__(self)
self.modify_bg(Gtk.StateType.NORMAL, style.COLOR_WHITE.get_gdk_color())
self._poll = poll
self._box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.add(self._box)
self._notebook = Gtk.Notebook()
self._notebook.set_show_tabs(False)
self._notebook.show()
self._box.pack_start(self._notebook, True, True, 0)
# first page
self._first_page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self._notebook.append_page(self._first_page, None)
self._first_page.set_homogeneous(True)
self._first_page.show()
item_poll = ItemNewPoll(_('What is the title?'), self._poll, 'title')
self._first_page.pack_start(item_poll, False, False, 10)
item_poll = ItemNewPoll(_('What is the question?'), self._poll,
'question')
self._first_page.pack_start(item_poll, False, False, 10)
# maxvoters page
self._maxvoters_page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self._maxvoters_page.set_homogeneous(True)
self._notebook.append_page(self._maxvoters_page, None)
self._maxvoters_page.show()
item_poll = ItemNumberNewPoll(
_('How many votes do you want to collect?'),
self._poll, 'maxvoters')
self._maxvoters_page.pack_start(item_poll, False, False, 10)
# options page
self._options_page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self._notebook.append_page(self._options_page, None)
self._options_page.show()
self._options_page.set_homogeneous(True)
label = Gtk.Label()
label.set_markup('<span size="xx-large" color="%s">%s</span>'
% (darker_color_str, _('What are the choices?')))
label.set_halign(Gtk.Align.CENTER)
label.props.margin = style.GRID_CELL_SIZE / 2
self._options_page.pack_start(label, False, False, 0)
self._option_widgets = []
for choice in list(self._poll.options.keys()):
item_poll = ItemOptionNewPoll(str(choice + 1), self._poll, choice)
self._options_page.pack_start(item_poll, False, False, 0)
self._option_widgets.append(item_poll)
# 4 page, summary
summary_page = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self._notebook.append_page(summary_page, None)
label = Gtk.Label()
label.set_markup('<span size="xx-large" color="%s">%s</span>'
% (darker_color_str, _('Is this correct?')))
label.set_halign(Gtk.Align.CENTER)
label.props.margin = style.GRID_CELL_SIZE
summary_page.pack_start(label, False, False, 0)
columns_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
columns_box.set_homogeneous(True)
first_column = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
first_column.set_homogeneous(True)
second_column = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
second_column.set_homogeneous(True)
columns_box.pack_start(first_column, True, True, 10)
columns_box.pack_start(second_column, True, True, 10)
label = Gtk.Label()
label.set_markup('<b><span size="x-large" color="%s">%s</span></b>' %
(darker_color_str, _('Title')))
first_column.pack_start(label, False, True, 10)
self._title_label = Gtk.Label()
self._title_label.set_ellipsize(Pango.EllipsizeMode.END)
first_column.pack_start(self._title_label, False, False, 10)
label = Gtk.Label()
label.set_markup('<b><span size="x-large" color="%s">%s</span></b>' %
(darker_color_str, _('Question')))
first_column.pack_start(label, False, False, 10)
self._question_label = Gtk.Label()
self._question_label.set_ellipsize(Pango.EllipsizeMode.END)
first_column.pack_start(self._question_label, False, False, 10)
label = Gtk.Label()
label.set_markup('<b><span size="x-large" color="%s">%s</span></b>' %
(darker_color_str, _('How many votes')))
first_column.pack_start(label, False, False, 10)
self._maxvoters_label = Gtk.Label()
first_column.pack_start(self._maxvoters_label, False, False, 10)
label = Gtk.Label()
label.set_markup('<b><span size="x-large" color="%s">%s</span></b>' %
(darker_color_str, _('Answers')))
second_column.pack_start(label, False, False, 10)
self._option_labels = {}
for choice in list(self._poll.options.keys()):
label = Gtk.Label()
label.set_ellipsize(Pango.EllipsizeMode.END)
self._option_labels[int(choice)] = label
second_column.pack_start(label, False, False, 10)
logging.debug(self._option_labels)
summary_page.pack_start(columns_box, True, True, 10)
save_button = Gtk.Button(_('Make the poll'))
save_button.set_image(Icon(icon_name='dialog-ok'))
save_button.set_halign(Gtk.Align.CENTER)
save_button.set_valign(Gtk.Align.START)
save_button.connect('clicked', self._button_save_cb)
summary_page.pack_start(save_button, False, False, 0)
summary_page.show_all()
# buttons
hbox = Gtk.ButtonBox()
hbox.props.margin = style.GRID_CELL_SIZE
self._back_button = Gtk.Button(_("Back"))
self._back_button.set_image(Icon(icon_name='go-left'))
self._back_button.connect('clicked', self.__button_back_cb)
hbox.pack_start(self._back_button, True, True, 10)
self._back_button.set_sensitive(False)
self._next_button = Gtk.Button(_("Next"))
self._next_button.set_image(Icon(icon_name='go-right'))
self._next_button.connect('clicked', self.__button_next_cb)
hbox.pack_start(self._next_button, True, True, 10)
self._box.pack_start(hbox, False, False, 10)
self.show_all()
self.set_image_widgets_visible(self._poll.activity.get_use_image())
def __button_back_cb(self, button):
self._notebook.prev_page()
self._next_button.set_sensitive(True)
if self._notebook.get_current_page() == 0:
self._back_button.set_sensitive(False)
def __button_next_cb(self, button):
self._back_button.set_sensitive(True)
self._next_button.set_sensitive(True)
logging.debug('current page %s', self._notebook.get_current_page())
if self._notebook.get_current_page() < 3:
errors = self._validate(self._notebook.get_current_page())
if not errors:
self._notebook.next_page()
if self._notebook.get_current_page() == 3:
self._title_label.set_markup(
'<span size="x-large" >%s</span>' %
GObject.markup_escape_text(self._poll.title))
self._question_label.set_markup(
'<span size="x-large" >%s</span>' %
GObject.markup_escape_text(self._poll.question))
self._maxvoters_label.set_markup(
'<span size="x-large" >%s</span>' % str(self._poll.maxvoters))
for choice in list(self._poll.options.keys()):
self._option_labels[int(choice)].set_markup(
'<span size="x-large" >%s</span>' %
GObject.markup_escape_text(
self._poll.options[int(choice)]))
self._notebook.next_page()
# disble next button in the last page
self._next_button.set_sensitive(False)
def set_image_widgets_visible(self, visible):
for widget in self._option_widgets:
widget.set_image_widgets_visible(visible)
def _button_save_cb(self, button):
"""
Save button clicked.
"""
# Data OK
self._poll.active = True
self._poll.activity._polls.add(self._poll)
self._poll.broadcast_on_mesh()
self._poll.activity.set_canvas(self._poll.activity._poll_canvas())
def _validate(self, page):
failed_items = []
if page == 0:
box = self._first_page
if self._poll.title == '':
failed_items.append('title')
if self._poll.question == '':
failed_items.append('question')
if page == 1:
box = self._maxvoters_page
if self._poll.maxvoters == 0:
failed_items.append('maxvoters')
if page == 2:
box = self._options_page
if self._poll.options[0] == '':
failed_items.append(0)
if self._poll.options[1] == '':
failed_items.append(1)
if self._poll.options[3] != '' and self._poll.options[2] == '':
failed_items.append(2)
if self._poll.options[4] != '' and self._poll.options[3] == '':
failed_items.append(3)
if self._poll.options[2] == '':
self._poll.number_of_options = 2
elif self._poll.options[3] == '':
self._poll.number_of_options = 3
elif self._poll.options[4] == '':
self._poll.number_of_options = 4
else:
self._poll.number_of_options = 5
# if there are images loaded, request a description
for field in range(0, 5):
image_loaded = self._poll.images_ds_objects[field] != {}
if image_loaded and self._poll.options[field] == '':
failed_items.append(field)
# paint the obligatory entries without value
for child in box:
if (type(child) is ItemNewPoll or
type(child) is ItemOptionNewPoll) \
and child.field in failed_items:
child.entry.modify_bg(Gtk.StateType.NORMAL,
style.Color('#FFFF00').get_gdk_color())
return failed_items
class BigEntry(Gtk.Entry):
def __init__(self, size=1.25):
Gtk.Entry.__init__(self)
theme = 'entry {font-size: %fpt;}' % (style.FONT_SIZE * size)
css_provider = Gtk.CssProvider()
css_provider.load_from_data(theme.encode())
style_context = self.get_style_context()
style_context.add_provider(css_provider,
Gtk.STYLE_PROVIDER_PRIORITY_USER)
class ItemNewPoll(Gtk.Box):
def __init__(self, label_text, poll, field):
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
self._poll = poll
self.field = field
label = Gtk.Label()
label.set_markup('<span size="xx-large" color="%s">%s</span>'
% (darker_color_str, label_text))
label.set_halign(Gtk.Align.CENTER)
label.props.margin = style.GRID_CELL_SIZE / 2
self.pack_start(label, False, False, 0)
self.entry = BigEntry()
self.entry.set_max_length(80)
margin = style.GRID_CELL_SIZE * 2
self.entry.props.margin_left = margin
self.entry.props.margin_right = margin
self.entry.set_text(str(getattr(poll, field)))
self.entry.connect('changed', self.__entry_changed_cb)
self.pack_start(self.entry, False, False, 0)
self.set_valign(Gtk.Align.CENTER)
self.show_all()
def __entry_changed_cb(self, entry):
text = entry.get_text()
if text:
if self.field == 'title':
self._poll.title = text
elif self.field == 'question':
self._poll.question = text
entry.modify_bg(Gtk.StateType.NORMAL, None)
class ItemNumberNewPoll(Gtk.Box):
def __init__(self, label_text, poll, field):
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
self._poll = poll
self.field = field
label = Gtk.Label()
label.set_markup('<span size="xx-large" color="%s">%s</span>'
% (darker_color_str, label_text))
label.set_halign(Gtk.Align.CENTER)
label.props.margin = style.GRID_CELL_SIZE / 2
self.pack_start(label, False, False, 0)
hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
self.entry = BigEntry(size=2)
self.entry.set_width_chars(4)
self.entry.props.xalign = 1
self.entry.set_text(str(getattr(poll, field)))
self.entry.connect('changed', self.__entry_changed_cb)
increase_bt = Gtk.Button()
increase_bt.set_image(Icon(icon_name='list-add',
pixel_size=style.STANDARD_ICON_SIZE))
increase_bt.connect('clicked', self.__button_clicked_cb, 1)
decrease_bt = Gtk.Button()
decrease_bt.set_image(Icon(icon_name='list-remove',
pixel_size=style.STANDARD_ICON_SIZE))
decrease_bt.connect('clicked', self.__button_clicked_cb, -1)
hbox.pack_start(self.entry, False, False, 5)
hbox.pack_start(increase_bt, False, False, 5)
hbox.pack_start(decrease_bt, False, False, 5)
hbox.set_halign(Gtk.Align.CENTER)
self.pack_start(hbox, False, False, 0)
self.set_valign(Gtk.Align.CENTER)
self.show_all()
def __button_clicked_cb(self, button, delta):
entry_value = int(self.entry.get_text())
self.entry.set_text(str(entry_value + delta))
def __entry_changed_cb(self, entry):
try:
value = int(entry.get_text())
if value > 1000 or value < 1:
raise ValueError('Invalid number')
if self.field == 'maxvoters':
self._poll.maxvoters = value
entry.modify_bg(Gtk.StateType.NORMAL, None)
except ValueError:
GObject.idle_add(entry.set_text, str(self._poll.maxvoters))
class ItemOptionNewPoll(Gtk.Box):
def __init__(self, label_text, poll, field):
"""
field (int)
"""
Gtk.Box.__init__(self, orientation=Gtk.Orientation.HORIZONTAL)
self._poll = poll
self.field = field
label = Gtk.Label()
label.set_markup('<span size="x-large">%s</span>' % label_text)
label.set_halign(Gtk.Align.CENTER)
label.props.margin_left = style.GRID_CELL_SIZE * 2
self.pack_start(label, False, False, 10)
self.entry = BigEntry()
self.entry.set_text(poll.options[field])
self.entry.set_max_length(80)
self.entry.connect('changed', self.__entry_changed_cb)
self.pack_start(self.entry, True, True, 0)
self._image = Gtk.Image()
self.pack_start(self._image, False, False, 10)
self._image_button = Gtk.Button()
self._image_button.set_image(Icon(icon_name='insert-picture'))
self.pack_start(self._image_button, False, False, 10)
self.show_all()
if self.__already_loaded_image_in_answer():
self.__show_image_thumbnail()
else:
self._image.hide()
self._image_button.connect('clicked', self.__button_choose_image_cb)
def __entry_changed_cb(self, entry):
logging.debug(entry.get_text())
text = entry.get_text()
if text:
self._poll.options[self.field] = text
entry.modify_bg(Gtk.StateType.NORMAL, None)
def set_image_widgets_visible(self, visible):
logging.debug('set_image_widgets_visible %s %s', self.field, visible)
self._image_button.set_visible(visible)
self._image.set_visible(visible)
if visible:
if self.__already_loaded_image_in_answer():
self.__show_image_thumbnail()
else:
self._image.hide()
self.entry.props.margin_right = 0
self._image_button.props.margin_right = style.GRID_CELL_SIZE * 2
else:
self.entry.props.margin_right = style.GRID_CELL_SIZE * 2
def __already_loaded_image_in_answer(self):
loaded = self._poll.images_ds_objects[self.field] != {}
logging.debug('__already_loaded_image_in_answer %s', loaded)
return loaded
def __button_choose_image_cb(self, button):
try:
chooser = ObjectChooser(self.get_toplevel(), what_filter='Image',
filter_type=FILTER_TYPE_GENERIC_MIME,
show_preview=True)
except:
# for compatibility with older versions
chooser = ObjectChooser(self.get_toplevel(), what_filter='Image')
try:
result = chooser.run()
if result == Gtk.ResponseType.ACCEPT:
jobject = chooser.get_selected_object()
images_mime_types = mime.get_generic_type(
mime.GENERIC_TYPE_IMAGE).mime_types
if jobject and jobject.file_path and \
jobject.metadata.get('mime_type') in images_mime_types:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
jobject.file_path,
self._poll.activity._image_size['height'],
self._poll.activity._image_size['width'])
self._poll.images[self.field] = pixbuf
self._poll.images_ds_objects[self.field]['id'] = \
jobject.object_id
self._poll.images_ds_objects[self.field]['file_path'] = \
jobject.file_path
self.__show_image_thumbnail()
else:
self._poll.activity.get_alert(
_('Poll Activity'),
_('Your selection is not an image'))
finally:
chooser.destroy()
del chooser
def __show_image_thumbnail(self):
image_file_path = self._poll.images_ds_objects[self.field][
'file_path']
if image_file_path:
pixbuf_thumbnail = GdkPixbuf.Pixbuf.new_from_file_at_size(
image_file_path, 80, 80)
self._image.set_from_pixbuf(pixbuf_thumbnail)
self._image.show()
else:
self._image.hide()
class OptionsPalette(Gtk.Box):
"""
Show the options palette.
"""
def __init__(self, poll_activity):
self._poll_activity = poll_activity
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
self._view_results_checkbutton = Gtk.CheckButton(
label=_('Show answers while voting'))
self._view_results_checkbutton.connect(
'toggled', self.__view_result_checkbox_cb)
self.pack_start(self._view_results_checkbutton, True, True, 10)
self._remember_vote_checkbutton = Gtk.CheckButton(
label=_('Remember last vote'))
self._remember_vote_checkbutton.connect(
'toggled', self.__remember_last_vote_checkbox_cb)
self.pack_start(self._remember_vote_checkbutton, True, True, 10)
self._play_vote_sound_checkbutton = Gtk.CheckButton(
label=_('Play a sound when making a vote'))
self._play_vote_sound_checkbutton.connect(
'toggled', self.__play_vote_sound_checkbox_cb)
self.pack_start(self._play_vote_sound_checkbutton, True, True, 10)
vbox = Gtk.VBox()
self._use_image_checkbox = Gtk.CheckButton(
label=_('Use image in answer'))
self.pack_start(self._use_image_checkbox, True, True, 10)
self._use_image_checkbox.connect('toggled',
self.__use_image_checkbox_cb)
hbox2 = Gtk.HBox()
hbox2.pack_start(Gtk.Label(_('Image Size: ')), True, True, 10)
self._image_width_entry = Gtk.Entry(max_length=3)
self._image_width_entry.set_size_request(style.GRID_CELL_SIZE, -1)
self._image_width_entry.set_text(
str(self._poll_activity._image_size['width']))
self._image_width_entry.connect(
'changed', self.__entry_image_size_cb, 'width')
hbox2.pack_start(self._image_width_entry, True, True, 10)
hbox2.pack_start(Gtk.Label('x'), True, True, 10)
self._image_height_entry = Gtk.Entry(max_length=3)
self._image_height_entry.set_text(
str(self._poll_activity._image_size['height']))
self._image_height_entry.connect(
'changed', self.__entry_image_size_cb, 'height')
hbox2.pack_start(self._image_height_entry, True, True, 10)
vbox.pack_start(hbox2, True, True, 10)
self.pack_start(vbox, True, True, 0)
self.show_all()
def update_configs(self):
self._view_results_checkbutton.set_active(
self._poll_activity.get_view_answer())
self._remember_vote_checkbutton.set_active(
self._poll_activity.get_remember_last_vote())
self._play_vote_sound_checkbutton.set_active(
self._poll_activity._play_vote_sound)
self._use_image_checkbox.set_active(
self._poll_activity.get_use_image())
self._image_height_entry.set_sensitive(
self._poll_activity.get_use_image())
self._image_width_entry.set_sensitive(
self._poll_activity.get_use_image())
def __view_result_checkbox_cb(self, checkbox):
self._poll_activity.set_view_answer(checkbox.get_active())
def __remember_last_vote_checkbox_cb(self, checkbox):
self._poll_activity.set_remember_last_vote(checkbox.get_active())
def __play_vote_sound_checkbox_cb(self, checkbox):
self._poll_activity._play_vote_sound = checkbox.get_active()
def __entry_image_size_cb(self, entrycontrol, data):
text = entrycontrol.get_text()
if text:
self._poll_activity._image_size[data] = int(text)
def __use_image_checkbox_cb(self, checkbox):
self._poll_activity.set_use_image(checkbox.get_active())
self._image_height_entry.set_sensitive(checkbox.get_active())
self._image_width_entry.set_sensitive(checkbox.get_active())
class SelectCanvas(Gtk.EventBox):
def __init__(self, poll_activity):
Gtk.EventBox.__init__(self)
self.modify_bg(Gtk.StateType.NORMAL,
style.COLOR_WHITE.get_gdk_color())
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.add(box)
poll_activity.reset_poll()
label = Gtk.Label()
label.set_markup('<span size="xx-large" color="%s">%s</span>'
% (darker_color_str, _('Choose a Poll')))
label.set_halign(Gtk.Align.START)
label.props.margin_top = style.GRID_CELL_SIZE
label.props.margin_bottom = style.GRID_CELL_SIZE / 2
label.props.margin_left = style.GRID_CELL_SIZE
box.pack_start(label, False, False, 0)
poll_selector_box = Gtk.VBox()
poll_selector_box.props.margin_left = style.GRID_CELL_SIZE
poll_selector_box.props.margin_right = style.GRID_CELL_SIZE
scroll = Gtk.ScrolledWindow()
scroll.modify_bg(Gtk.StateType.NORMAL,
style.COLOR_WHITE.get_gdk_color())
scroll.set_valign(Gtk.Align.START)
scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
scroll.set_size_request(
-1, Gdk.Screen.height() - style.GRID_CELL_SIZE * 4)
scroll.add_with_viewport(poll_selector_box)
box.pack_start(scroll, True, True, 0)
for poll in poll_activity._polls:
sha = poll.sha
poll_row = Gtk.HBox()
poll_row.props.margin = 10
poll_selector_box.pack_start(poll_row, False, False, 0)
poll_selector_box.pack_start(Gtk.HSeparator(), False, False, 0)
evbox = Gtk.EventBox()
title = Gtk.Label()
title.set_markup(
'<span size="large">%s (%s)</span>' %
(GObject.markup_escape_text(poll.title),
GObject.markup_escape_text(poll.author)))
title.set_halign(Gtk.Align.START)
title.set_max_width_chars(55)
title.set_ellipsize(Pango.EllipsizeMode.END)
evbox.add(title)
poll_row.pack_start(evbox, True, True, 0)
poll_icon = PollIcon(poll)
poll_row.pack_start(poll_icon, False, False,
style.GRID_CELL_SIZE / 2)
if poll.active:
button = EventIcon(icon_name='activity-poll',
pixel_size=style.STANDARD_ICON_SIZE)
button.set_stroke_color('#888888')
else:
button = EventIcon(icon_name='toolbar-view',
pixel_size=style.STANDARD_ICON_SIZE)
button.set_fill_color('#888888')
evbox.set_events(Gdk.EventMask.BUTTON_PRESS_MASK)
evbox.connect('button-press-event',
poll_activity._select_poll_button_cb, sha)
poll_icon.connect('button-press-event',
poll_activity._select_poll_button_cb, sha)
button.connect('button-press-event',
poll_activity._select_poll_button_cb, sha)
poll_row.pack_start(button, False, False, style.GRID_CELL_SIZE / 2)
if poll.author == profile.get_nick_name():
button = EventIcon(icon_name='basket',
pixel_size=style.STANDARD_ICON_SIZE)
button.set_stroke_color('#888888')
button.connect('button-press-event',
poll_activity._delete_poll_button_cb, sha,
poll.title)
poll_row.pack_start(button, False, False, 0)
self.show_all()
class PollIcon(Gtk.DrawingArea):
def __init__(self, poll):
self._poll = poll
Gtk.DrawingArea.__init__(self)
self.set_events(Gdk.EventMask.BUTTON_PRESS_MASK)
self.set_size_request(style.GRID_CELL_SIZE, style.GRID_CELL_SIZE)
self.connect('draw', self.__draw_cb)
def __draw_cb(self, widget, context):
if self._poll.number_of_options == 0:
return
margin = style.GRID_CELL_SIZE / 10
graph_width = style.GRID_CELL_SIZE - margin * 2
graph_height = style.GRID_CELL_SIZE - margin * 2
bar_width = (graph_width / self._poll.number_of_options) - margin
max_value = 0
for choice in range(self._poll.number_of_options):
max_value = max(max_value, self._poll.data[choice])
if max_value == 0:
return
x_value = margin
for choice in range(self._poll.number_of_options):
bar_height = self._poll.data[choice] * graph_height / max_value
context.rectangle(x_value + margin,
graph_height + margin - bar_height,
bar_width, bar_height)
context.set_source_rgb(0.9, 0.9, 0.9)
context.fill()
x_value += bar_width + margin
class PollCanvas(Gtk.EventBox):
def __init__(self, poll, current_vote, view_answer,
chart_type=CHART_TYPE_PIE):
Gtk.EventBox.__init__(self)
self.modify_bg(Gtk.StateType.NORMAL,
style.COLOR_WHITE.get_gdk_color())
self._current_vote = current_vote
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
box.props.margin_left = style.GRID_CELL_SIZE * 2
box.props.margin_right = style.GRID_CELL_SIZE * 2
self.add(box)
self._poll = poll
self._grid = Gtk.Grid()
box.pack_start(self._grid, True, True, 0)
row = 0
if not poll.active:
self.title = Gtk.Label()
self.title.set_markup('<span size="xx-large">%s</span>' %
GObject.markup_escape_text(poll.title))
self.title.props.margin_top = style.GRID_CELL_SIZE / 2
self.title.props.margin_bottom = style.GRID_CELL_SIZE / 2
self.title.set_halign(Gtk.Align.START)
self.title.set_max_width_chars(70)
self.title.set_ellipsize(Pango.EllipsizeMode.END)
self._grid.attach(self.title, 0, row, 2, 1)
row += 1
self.question = Gtk.Label()
self.question.set_markup(
'<span size="xx-large" color="%s"><b>%s</b></span>' %
(darker_color_str, GObject.markup_escape_text(poll.question)))
self.question.props.margin_top = style.GRID_CELL_SIZE / 2
self.question.props.margin_bottom = style.GRID_CELL_SIZE / 2
self.question.set_halign(Gtk.Align.CENTER)
self.question.set_max_width_chars(70)
self.question.set_ellipsize(Pango.EllipsizeMode.END)
self._grid.attach(self.question, 0, row, 2, 1)
row += 1
self.tabla = Gtk.Table(rows=6, columns=6)
scroll = Gtk.ScrolledWindow()
scroll.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
scroll.add_with_viewport(self.tabla)
scroll.set_hexpand(True)
scroll.set_vexpand(True)
group = Gtk.RadioButton()
row = 0
data = []
self._button_labels = []
for choice in range(poll.number_of_options):
# data is used by the chart
color_str = colors.get_category_color_str(poll.options[choice])
# verify if the color is unique
unique = False
counter = 1
while not unique:
unique = True
for element in data:
if element['color'] == color_str:
unique = False
if not unique:
color_str = colors.get_category_color_str(
poll.options[choice] + str(counter))
counter += 1
data.append({'label': poll.options[choice],
'value': poll.data[choice],
'color': color_str})
if poll.active:
box = Gtk.VBox()
text = poll.options[choice]
color = style.Color(color_str)
roundbox = RoundBox()
roundbox.background_color = color
roundbox.border_color = color
button = Gtk.RadioButton.new_from_widget(group)
label = Gtk.Label(text)
label.set_max_width_chars(28)
label.set_ellipsize(Pango.EllipsizeMode.END)
self._button_labels.append(label)
button.add(label)
button.props.margin = style.GRID_CELL_SIZE / 4
button.set_halign(Gtk.Align.START)
roundbox.add(button)
roundbox.set_valign(Gtk.Align.CENTER)
roundbox.set_hexpand(False)
box.pack_start(roundbox, False, False, 0)
box.set_valign(Gtk.Align.CENTER)
button.connect('toggled', self.__vote_radio_button_cb, choice)
self.tabla.attach(box, 0, 1, row, row + 1)
if choice == current_vote:
button.set_active(True)
if poll.images[int(choice)]:
image = Gtk.Image()
image.set_from_pixbuf(poll.images[choice])
image.set_halign(Gtk.Align.START)
self.tabla.attach(image, 1, 2, row, row + 1)
row += 1
logging.debug('poll options %s data %s', poll.options, poll.data)
self.chart = Chart(data, chart_type, show_labels=not poll.active,
title=poll.question,
title_color=darker_color_str)
self.chart.set_hexpand(True)
self.chart.set_vexpand(True)
# Button area
if poll.active:
self._grid.attach(scroll, 0, row, 1, 1)
self._grid.attach(self.chart, 1, row, 1, 1)
row += 1
button = Gtk.Button(_("Vote"))
button.set_image(Icon(icon_name='dialog-ok',
pixel_size=style.MEDIUM_ICON_SIZE))
theme = 'button {background-color: %s;' \
'font-size:%fpt;' \