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# layout.py, see calculate.py for info
from gettext import gettext as _
import pygtk
pygtk.require('2.0')
import gtk
import pango
from sugar.activity import activity
from toolbars import *
class CalcLayout:
def __init__(self, parent):
self._parent = parent
self.create_dialog()
def create_color(self, rf, gf, bf):
return gtk.gdk.Color(int(rf*0xFFFF), int(gf*0xFFFF), int(bf*0xFFFF))
def create_button_data(self):
mul_sym = self._parent.ml.mul_sym
div_sym = self._parent.ml.div_sym
self.button_data = [
# [x, y, width, label, bgcol, cb]
[0, 0, 1, '7', self.col_gray2, lambda w: self._parent.add_text('7')],
[1, 0, 1, '8', self.col_gray2, lambda w: self._parent.add_text('8')],
[2, 0, 1, '9', self.col_gray2, lambda w: self._parent.add_text('9')],
[0, 1, 1, '4', self.col_gray2, lambda w: self._parent.add_text('4')],
[1, 1, 1, '5', self.col_gray2, lambda w: self._parent.add_text('5')],
[2, 1, 1, '6', self.col_gray2, lambda w: self._parent.add_text('6')],
[0, 2, 1, '1', self.col_gray2, lambda w: self._parent.add_text('1')],
[1, 2, 1, '2', self.col_gray2, lambda w: self._parent.add_text('2')],
[2, 2, 1, '3', self.col_gray2, lambda w: self._parent.add_text('3')],
[0, 3, 1, '0', self.col_gray2, lambda w: self._parent.add_text('0')],
[1, 3, 1, '.', self.col_gray2, lambda w: self._parent.add_text('.')],
# Deprecated -- functionality available through interface and labels
# [2, 3, 1, 'Ans', self.col_gray2, lambda w: self._parent.add_text('Ans')],
[3, 0, 3, _('Clear'), self.col_gray1, lambda w: self._parent.clear()],
[3, 1, 1, '+', self.col_gray3, lambda w: self._parent.add_text('+')],
[4, 1, 1, '-', self.col_gray3, lambda w: self._parent.add_text('-')],
[5, 1, 1, '(', self.col_gray3, lambda w: self._parent.add_text('(')],
[3, 2, 1, mul_sym, self.col_gray3, lambda w: self._parent.add_text(mul_sym)],
[4, 2, 1, div_sym, self.col_gray3, lambda w: self._parent.add_text(div_sym)],
[5, 2, 1, ')', self.col_gray3, lambda w: self._parent.add_text(')')],
[3, 3, 3, _('Enter'), self.col_gray1, lambda w: self._parent.process()],
]
def create_dialog(self):
# Toolbar
toolbox = activity.ActivityToolbox(self._parent)
self._parent.set_toolbox(toolbox)
toolbox.add_toolbar(_('Edit'), EditToolbar(self._parent))
toolbox.add_toolbar(_('Algebra'), AlgebraToolbar(self._parent))
toolbox.add_toolbar(_('Trigonometry'), TrigonometryToolbar(self._parent))
toolbox.add_toolbar(_('Boolean'), BooleanToolbar(self._parent))
toolbox.add_toolbar(_('Constants'), ConstantsToolbar(self._parent))
toolbox.add_toolbar(_('Format'), FormatToolbar(self._parent))
toolbox.show_all()
# Some layout constants
self.input_font = pango.FontDescription(str='sans bold 12')
self.button_font = pango.FontDescription(str='sans bold 16')
self.col_white = self.create_color(1.00, 1.00, 1.00)
self.col_gray1 = self.create_color(0.69, 0.71, 0.72)
self.col_gray2 = self.create_color(0.51, 0.51, 0.53)
self.col_gray3 = self.create_color(0.30, 0.30, 0.31)
self.col_black = self.create_color(0.00, 0.00, 0.00)
self.col_red = self.create_color(1.00, 0.00, 0.00)
# Big - Table, 16 rows, 10 columns, homogeneously divided
self.grid = gtk.Table(16, 11, True)
self.grid.set_border_width(6)
self.grid.set_row_spacings(6)
self.grid.set_col_spacings(6)
# Left part: container and input
hc1 = gtk.HBox(False, 10)
label1 = gtk.Label(_('Label:'))
hc1.add(label1)
self.label_entry = gtk.Entry()
hc1.add(self.label_entry)
self.grid.attach(hc1, 0, 6, 0, 1)
self.text_entry = gtk.Entry()
self.text_entry.set_size_request(400, 100)
self.text_entry.connect('key_press_event', self._parent.ignore_key_cb)
self.text_entry.modify_font(self.input_font)
self.grid.attach(self.text_entry, 0, 6, 1, 5)
# Left part: buttons
self.pad = gtk.Table(4, 6, True)
self.pad.set_row_spacings(6)
self.pad.set_col_spacings(6)
self.create_button_data()
self.buttons = {}
for x, y, w, cap, bgcol, cb in self.button_data:
button = self.create_button(_(cap), cb, self.col_white, bgcol, w)
self.buttons[cap] = button
self.pad.attach(button, x, x+w, y, y+1)
# Not for now...
# self.pad_ebox = gtk.EventBox()
# self.pad_ebox.add(self.pad)
# self.pad_ebox.modify_bg(gtk.STATE_NORMAL, self.col_black)
self.grid.attach(self.pad, 0, 6, 5, 16)
# Right part: container and equation button
hc2 = gtk.HBox()
self.minebut = TextToggleToolButton([_('All equations'), _('My equations')],
lambda x: self._parent.refresh_bar())
self.varbut = TextToggleToolButton([_('Show history'), _('Show variables')],
lambda x: self._parent.refresh_bar())
hc2.add(self.minebut)
hc2.add(self.varbut)
self.grid.attach(hc2, 6, 11, 0, 1)
# Right part: last equation
self.last_eq = gtk.TextView()
self.last_eq.set_editable(False)
self.last_eq.set_wrap_mode(gtk.WRAP_WORD)
self.grid.attach(self.last_eq, 6, 11, 1, 5)
# Right part: history
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
self.history = gtk.VBox()
self.history.set_homogeneous(False)
self.history.set_border_width(6)
scrolled_window.add_with_viewport(self.history)
self.grid.attach(scrolled_window, 6, 11, 5, 16)
def show_it(self):
self._parent.set_canvas(self.grid)
self._parent.show_all()
self.text_entry.grab_focus()
def show_history(self, window_list):
if self.history is None:
return
for el in self.history.get_children():
self.history.remove(el)
for w in window_list:
self.history.pack_start(w, expand=False, fill=False, padding=1)
self._parent.show_all()
def create_button(self, cap, cb, fgcol, bgcol, width):
button = gtk.Button(_(cap))
self.modify_button_appearance(button, fgcol, bgcol, width)
button.connect("clicked", cb)
button.connect("key_press_event", self._parent.ignore_key_cb)
return button
def modify_button_appearance(self, button, fgcol, bgcol, width):
width = 50 * width
button.get_child().set_size_request(width, 50)
button.get_child().modify_font(self.button_font)
button.get_child().modify_fg(gtk.STATE_NORMAL, fgcol)
button.modify_bg(gtk.STATE_NORMAL, bgcol)
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