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#! -*- coding: utf-8 -*-
#(c) Stefan Heher 2009
#1234567890123456789012345678901234567890123456789012345678901234567890123456789
import gtk
import pygtk
import pango
import time
import gobject
from sugar.activity import activity
from functions import *
from settings import Settings
from timer import Timer
from exercise import Exercise
from sugar import profile
from sugar.graphics import style
class Display:
"""
Definition and manipulation of all GUI-elemts.
Exception (redesign?): def define_buttons in classes derived from Exercise.
"""
print("DEL import Display")
def __init__(self, window):
self.errors = 0
self._sett = None # setting updated by callbacks during input
self.running = False # first round of calculations
self.active_topic = None
# ----- all permanent GUI-elements ----- TODO separate def
# Save the sugar main window
self.main_window = window
# Create a table consisting of 4 possible entries
self.table = gtk.Table(5, 2, True)
# Put the table in the main window
self.main_window.set_canvas(self.table)
# Create the log_buffer
self.log_buffer = gtk.TextBuffer()
# Create a tag table from the buffer
self.tag_table = self.log_buffer.get_tag_table()
# Create a tag for errors
self.error_tag = gtk.TextTag("error")
self.error_tag.set_property("foreground", "blue")
self.tag_table.add(self.error_tag)
# Create a tag for correct calculations
self.correct_tag = gtk.TextTag("correct")
self.correct_tag.set_property("foreground", "green")
self.tag_table.add(self.correct_tag)
# Create a log_view with the previously created log_buffer
self.log_view = gtk.TextView(self.log_buffer)
# Set the font size for the log_view
self.log_view.modify_font(pango.FontDescription('sans bold 14'))
# Set the log_view to not editable
self.log_view.set_editable(False)
# Set the cursor to not visible
self.log_view.set_cursor_visible(False)
# Set the justification to center
self.log_view.set_justification(gtk.JUSTIFY_CENTER)
# Create a scrollable window for the log_view
self.scrolled_window = gtk.ScrolledWindow()
# Set scrollable window policies
self.scrolled_window.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
# Connect log_view and scrolled window
self.scrolled_window.add(self.log_view)
# Insert the log_view into the upper half
self.table.attach(self.scrolled_window, 0, 1, 0, 3)
# Display the log_view
self.log_view.show()
# Display the scrolled_window
self.scrolled_window.show()
# Settings start here
self.settings_table = gtk.Table(15, 6, True)
# Topic table
self.topic_table = gtk.Table(15, 6, True)
# Separate table for start button
self.table_with_start = gtk.Table(15, 6, True)
# Insert the settings window into the right half of the screen
self.table.attach(self.settings_table, 1, 2, 0, 5)
# Insert the topic window into the right half of the screen
self.table.attach(self.topic_table, 1, 2, 0, 5)
# Insert the table for start button into the right half of the screen
self.table.attach(self.table_with_start, 1, 2, 0, 5)
# Display the settings_table
self.settings_table.show()
# Disply the topic table
self.topic_table.show()
# Display the table_with_start
self.table_with_start.show()
# Display the table
self.table.show()
def register(self, sess, co):
"""register _after_ Session and Coach have been instantiated"""
self._sess = sess
self._co = co
def update_time(self):
minutes, seconds = divmod(self.stopwatch.elapsed, 60)
if(minutes < 10 and seconds < 10):
time = "0" + str(int(minutes)) + ":" + "0" + str(int(seconds))
if(minutes > 9 and seconds > 9):
time = str(int(minutes)) + ":" + str(int(seconds))
if(minutes > 9 and seconds < 10):
time = str(int(minutes)) + ":" + "0" + str(int(seconds))
if(minutes < 10 and seconds > 10):
time = "0" + str(int(minutes)) + ":" + str(int(seconds))
self.stopwatch_label.set_label(time)
self.stopwatch_label.queue_draw()
return True
def draw_result_screen(self):
"""RENAME to draw_feedback_screen"""
# Section for stopwatch
self.stopwatch = Timer()
self.stopwatch_label = gtk.Label("00:00")
self.stopwatch_label.modify_font(pango.FontDescription("sans 16"))
self.table_with_start.attach(self.stopwatch_label, 3, 5, 12, 13)
# Section for nickname
self.name = profile.get_nick_name()
self.name_label = gtk.Label(self.name)
self.name_label.modify_font(pango.FontDescription("sans 16"))
self.table_with_start.attach(self.name_label, 0, 6, 13, 14)
# Section for progress bar
self.progressbar = gtk.ProgressBar(adjustment=None)
# Color for progress bar
style = self.progressbar.get_style()
style.bg[gtk.STATE_PRELIGHT] = gtk.gdk.color_parse("green")
self.progressbar.set_style (style)
self.progressbar.set_fraction(0)
self.table_with_start.attach(self.progressbar, 0, 6, 8, 9)
# Labels for progress bar
self.progress0 = gtk.Label("0")
self.progress0.modify_font(pango.FontDescription("sans 16"))
self.table_with_start.attach(self.progress0, 0, 1, 9, 10 )
# Labels for status update
self.correct_count = 0
self.correct_counter = gtk.Label(str(self.correct_count))
self.correct_counter.modify_font(pango.FontDescription("sans 16"))
# Ugly code for label color
attr = pango.AttrList()
fg_color = pango.AttrForeground(0, 65535, 0, 0, 6)
attr.insert(fg_color)
self.correct_counter.set_attributes(attr)
self.table_with_start.attach(self.correct_counter, 2, 4, 9, 10 )
self.false_count = 0
self.false_counter = gtk.Label(str(self.false_count))
self.false_counter.modify_font(pango.FontDescription("sans 16"))
# Ugly code for label color
attr = pango.AttrList()
fg_color = pango.AttrForeground(0, 0, 65535, 0, 6)
attr.insert(fg_color)
self.false_counter.set_attributes(attr)
self.table_with_start.attach(self.false_counter, 2, 4, 10, 11 )
self.stopwatch_label.show()
gobject.timeout_add(1000, self.update_time)
self.name_label.show()
self.progressbar.show()
self.progress0.show()
self.correct_counter.show()
self.false_counter.show()
self.total_calcs = self._ex.count()
self.progress_total = gtk.Label(str(self.total_calcs))
self.progress_total.modify_font(pango.FontDescription("sans 16"))
self.table_with_start.attach(self.progress_total, 5, 6, 9, 10 )
self.progress_total.show()
def hide_result_screen(self):
self.progressbar.set_fraction(0)
self.stopwatch_label.hide()
self.name_label.hide()
self.progressbar.hide()
self.progress0.hide()
self.correct_counter.hide()
self.false_counter.hide()
self.progress_total.hide()
def offer_setting(self,ex):
self._ex = ex
self._sett = self._ex.get_setting()
### START BUTTON BEGIN ###
self.start_button = gtk.Button(None, gtk.STOCK_GO_FORWARD)
self.start_button.connect("clicked", self.clicked_start_callback)
self.table_with_start.attach(self.start_button, 0, 6, 14, 15)
self.start_alignment = self.start_button.get_children()[0]
self.start_hbox = self.start_alignment.get_children()[0]
self.start_image, self.start_label = self.start_hbox.get_children()
self.start_label.set_label("")
self.start_button.show()
### START BUTTON END ###
self.current_exercise = ex
print('in Display.offer_setting, 241 self._sett=', self._sett)
self.current_exercise.define_buttons()
self.current_exercise.set_buttons(self._sett)
def clicked_start_callback(self, widget):
if( self.running == False):
self.running = True
self.start_button.set_label(gtk.STOCK_STOP)
self.start_alignment = self.start_button.get_children()[0]
self.start_hbox = self.start_alignment.get_children()[0]
self.start_image, self.start_label = self.start_hbox.get_children()
self.start_label.set_label("")
self._co.notify(('setting-done', self._sett))
self.settings_table.hide()
self.topic_table.hide()
self.draw_result_screen()
elif( self.running == True):
self.protocol('----------------------------------------', 0, 'OK')
self.running = False
self.start_button.set_label(gtk.STOCK_GO_FORWARD)
self.start_alignment = self.start_button.get_children()[0]
self.start_hbox = self.start_alignment.get_children()[0]
self.start_image, self.start_label = self.start_hbox.get_children()
self.start_label.set_label("")
self.display_table.destroy()
self.hide_result_screen()
self.settings_table.show()
self.topic_table.show()
def init_calc(self):
"""
prepares for calculations from 1 setting.
for instance, a calculation might be on 1 ore more lines.
"""
print("DEL do Display.init_calc")
# make empty lines such that all calcs are entered at bottom
for i in range(1,21):
end_iterator = self.log_buffer.get_end_iter()
self.log_buffer.insert(end_iterator, "\n")
self.log_view.scroll_mark_onscreen(self.log_buffer.get_insert())
def destroy_box(self):
self.calculation_box.destroy()
def protocol(self, full_line, errors, feedback):
end_iterator = self.log_buffer.get_end_iter()
if( feedback == 'OK' ):
self.log_buffer.insert_with_tags_by_name(end_iterator, "\n" + full_line, "correct" )
elif ( feedback == 'XXX' ):
self.log_buffer.insert_with_tags_by_name(end_iterator, "\n" + full_line, "error" )
end_iterator = self.log_buffer.get_end_iter()
mark = self.log_buffer.create_mark(None, end_iterator, True)
self.log_view.scroll_mark_onscreen(mark)
# def dis_calc(self, clist, cursor, errs):
# _i, _calc = 0, ''
# for _c in clist:
# _i = _i + 1
# if (_i == cursor) & (errs > 0):
# _calc = _calc + '_'
# else:
# _calc = _calc + _c
# return _calc + ' ' + errs * '/'
def input_digit(self, widget, dig, proterr, protok):
"""callback: input a digit and give feedback.
The _only_ other active widget is the <stop>-button on the right"""
entry_text = widget.get_text()
### bitte anzeigen !???????
if(entry_text == dig):
self.errors = 0 #WN090518 ???
self.protocol(protok, self.errors, 'OK')
self.destroy_box()
self.notify(('digit-done', None))
elif(entry_text == ""):
pass #otherwise feedback in protocol written twice: see entry.set_text("") below
else:
self.false_count = self.false_count + 1
self.false_counter.set_text(str(self.false_count))
self.errors = self.errors + 1
widget.set_text("")
self.protocol(proterr, self.errors, 'XXX')
#WN090518
def display_calc(self, lines):
self.display_table = gtk.Table(5, 1, True)
self.table.attach(self.display_table, 0, 1, 0, 5)
self.display_table.show()
"""display the lines of a calc with _ at all input positions"""
lino = 0
for li in lines:
print('in Display.display_calc, line=', li)
self.create_entryline((lino, -1, 'dummy-dig', 'dummy-proterr', 'dummy-protok', li))
lino = lino + 1
def create_entryline(self, (lineno, linepos, dig, proterr, protok, line)):
"""create gtk.Entry in line at linepos and set callback_input_digit"""
#print('in Display.create_entryline: lineno=', lineno, ', linepos=',
# linepos, ', line=', line)
calculation, cursor = line, linepos
self.calculation_box = gtk.HBox(True, 0)
calc_pos = 0
self.display_table.attach(self.calculation_box, 0, 1, 3 + lineno, 4 + lineno)
for i in calculation:
if (calc_pos != cursor):
self.label = gtk.Label(i)
self.label.modify_font(pango.FontDescription("sans 24"))
self.calculation_box.pack_start(self.label)
self.label.show()
else: # prepare for input
self.text_entry = gtk.Entry(max = 1)
self.text_entry.modify_font(pango.FontDescription("sans 24"))
self.text_entry.connect("changed", self.input_digit, dig, proterr, protok)
self.calculation_box.pack_start(self.text_entry)
self.text_entry.show()
calc_pos = calc_pos + 1
#?kann m.die calculation_box ZUERST aufbauen und DANN self.table.attach
self.calculation_box.show()
if(cursor != -1):
self.text_entry.grab_focus()
#just add lineno to table.attach
#TODO rename calculation, cursor below ...
#TODO remove hack on callback:
#self.input_digit('widget', dig, protline)
def finish_calc(self):
self.stopwatch.stop()
def notify(self, msg):
"""only used by gtk"""
if msg[0] == 'digit-done':
self._sess.notify(('digit-done', None))
def show_progress(self):
self.progressbar.set_fraction(self.progressbar.get_fraction()+(float(1)/float(self.total_calcs)))
self.correct_count = self.correct_count + 1
self.correct_counter.set_text(str(self.correct_count))
self.display_table.destroy()
def offer_topics(self, topics):
"""TODO: get the users choice from buttons above the settings"""
self.topic_box = gtk.HBox(True, 0)
self.topic_table.attach(self.topic_box, 0, 6, 0, 1)
_i = 0
for _t in topics:
_i = _i + 1
self.button = gtk.Button()
self.image = gtk.Image()
if(_t == 'addsub_simp'):
self.image.set_from_file("img/addsub_simp.jpg")
elif(_t == 'passten'):
self.image.set_from_file("img/passten.jpg")
elif(_t == 'times_div'):
self.image.set_from_file("img/times_div.jpg")
self.button.set_image(self.image)
self.button.connect("clicked", self.new_topic, _t)
self.topic_box.pack_start(self.button)
self.button.show()
self.topic_box.show()
def new_topic(self, widget, topic):
"""callback: get the users choice from buttons above the settings"""
if(self.active_topic == None):
self.active_topic = topic
print('in Display.new_topic, 422 self._sett=', self._sett)
self._co.notify(('new-topic', topic))
elif(self.active_topic == topic):
pass
elif(self.active_topic != topic):
self.active_topic = topic
self.settings_table.destroy()
self.settings_table = gtk.Table(15, 6, True)
self.table.attach(self.settings_table, 1, 2, 0, 5)
self.settings_table.show()
self.table_with_start.destroy()
self.table_with_start = gtk.Table(15, 6, True)
self.table.attach(self.table_with_start, 1, 2, 0, 5)
self.table_with_start.show()
self._co.notify(('new-topic', topic))
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