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# -*- coding: UTF-8 -*-
# toolbars.py, see CalcActivity.py for info
#import pygtk
#pygtk.require('2.0')
from gi.repository import Gtk
from mathlib import MathLib
from sugar3.graphics.palette import Palette
from sugar3.graphics.menuitem import MenuItem
from sugar3.graphics.toolbutton import ToolButton
from sugar3.graphics.toggletoolbutton import ToggleToolButton
import logging
_logger = logging.getLogger('calc-activity')
from gettext import gettext as _
def _icon_exists(name):
if name == '':
return False
theme = Gtk.IconTheme.get_default()
info = theme.lookup_icon(name, 0, 0)
if info:
return True
return False
class IconToolButton(ToolButton):
def __init__(self, icon_name, text, cb, help_cb=None, alt_html=''):
ToolButton.__init__(self)
if _icon_exists(icon_name):
#self.set_icon(icon_name)
self.props.icon_name = icon_name
else:
if alt_html == '':
alt_html = icon_name
label = Gtk.Label()
label.set_markup(alt_html)
label.show()
self.set_label_widget(label)
self.create_palette(text, help_cb)
self.connect('clicked', cb)
def create_palette(self, text, help_cb):
p = Palette(text)
if help_cb is not None:
item = MenuItem(_('Help'), 'action-help')
item.connect('activate', help_cb)
item.show()
p.menu.append(item)
self.set_palette(p)
class IconToggleToolButton(ToggleToolButton):
def __init__(self, items, cb, desc):
ToggleToolButton.__init__(self)
self.items = items
if 'icon' in items[0] and _icon_exists(items[0]['icon']):
#self.set_named_icon(items[0]['icon'])
self.props.icon_name = items[0]['icon']
elif 'html' in items[0]:
self.set_label(items[0]['html'])
# self.set_tooltip(items[0][1])
self.set_tooltip(desc)
self.selected = 0
self.connect('clicked', self.toggle_button)
self.callback = cb
def toggle_button(self, w):
self.selected = (self.selected + 1) % len(self.items)
but = self.items[self.selected]
if 'icon' in but and _icon_exists(but['icon']):
self.set_named_icon(but['icon'])
elif 'html' in but:
_logger.info('Setting html: %s', but['html'])
self.set_label(but['html'])
# self.set_tooltip(but[1])
if self.callback is not None:
if 'html' in but:
self.callback(but['html'])
else:
self.callback(but)
class TextToggleToolButton(Gtk.ToggleToolButton):
def __init__(self, items, cb, desc, index=False):
Gtk.ToggleToolButton.__init__(self)
self.items = items
self.set_label(items[0])
self.selected = 0
self.connect('clicked', self.toggle_button)
self.callback = cb
self.index = index
self.set_tooltip_text(desc)
def toggle_button(self, w):
self.selected = (self.selected + 1) % len(self.items)
but = self.items[self.selected]
self.set_label(but)
if self.callback is not None:
if self.index:
self.callback(self.selected)
else:
self.callback(but)
class LineSeparator(Gtk.SeparatorToolItem):
def __init__(self):
Gtk.SeparatorToolItem.__init__(self)
self.set_draw(True)
class EditToolbar(Gtk.Toolbar):
def __init__(self, calc):
Gtk.Toolbar.__init__(self)
copy_tool = ToolButton('edit-copy')
copy_tool.set_tooltip(_('Copy'))
copy_tool.set_accelerator(_('<ctrl>c'))
copy_tool.connect('clicked', lambda x: calc.text_copy())
self.insert(copy_tool, -1)
menu_item = MenuItem(_('Cut'))
try:
menu_item.set_accelerator(_('<ctrl>x'))
except AttributeError:
pass
menu_item.connect('activate', lambda x: calc.text_cut())
menu_item.show()
copy_tool.get_palette().menu.append(menu_item)
self.insert(IconToolButton('edit-paste', _('Paste'),
lambda x: calc.text_paste(),
alt_html='Paste'), -1)
self.show_all()
class AlgebraToolbar(Gtk.Toolbar):
def __init__(self, calc):
Gtk.Toolbar.__init__(self)
self.insert(IconToolButton('algebra-square', _('Square'),
lambda x: calc.button_pressed(calc.TYPE_OP_POST, '**2'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(square)'),
alt_html='x<sup>2</sup>'), -1)
self.insert(IconToolButton('algebra-sqrt', _('Square root'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'sqrt'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(sqrt)'),
alt_html='√x'), -1)
self.insert(IconToolButton('algebra-xinv', _('Inverse'),
lambda x: calc.button_pressed(calc.TYPE_OP_POST, '**-1'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(inv)'),
alt_html='x<sup>-1</sup>'), -1)
self.insert(LineSeparator(), -1)
self.insert(IconToolButton('algebra-exp', _('e to the power x'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'exp'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(exp)'),
alt_html='e<sup>x</sup>'), -1)
self.insert(IconToolButton('algebra-xpowy', _('x to the power y'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'pow'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(pow)'),
alt_html='x<sup>y</sup>'), -1)
self.insert(IconToolButton('algebra-ln', _('Natural logarithm'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'ln'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(ln)')), -1)
self.insert(LineSeparator(), -1)
self.insert(IconToolButton('algebra-fac', _('Factorial'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'fac'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(fac)')), -1)
self.show_all()
class TrigonometryToolbar(Gtk.Toolbar):
def __init__(self, calc):
Gtk.Toolbar.__init__(self)
self.insert(IconToolButton('trigonometry-sin', _('Sine'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'sin'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(sin)')), -1)
self.insert(IconToolButton('trigonometry-cos', _('Cosine'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'cos'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(cos)')), -1)
self.insert(IconToolButton('trigonometry-tan', _('Tangent'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'tan'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(tan)')), -1)
self.insert(LineSeparator(), -1)
self.insert(IconToolButton('trigonometry-asin', _('Arc sine'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'asin'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(asin)')), -1)
self.insert(IconToolButton('trigonometry-acos', _('Arc cosine'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'acos'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(acos)')), -1)
self.insert(IconToolButton('trigonometry-atan', _('Arc tangent'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'atan'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(atan)')), -1)
self.insert(LineSeparator(), -1)
self.insert(IconToolButton('trigonometry-sinh', _('Hyperbolic sine'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'sinh'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(sinh)')), -1)
self.insert(IconToolButton('trigonometry-cosh', _('Hyperbolic cosine'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'cosh'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(cosh)')), -1)
self.insert(IconToolButton('trigonometry-tanh', _('Hyperbolic tangent'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'tanh'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(tanh)')), -1)
self.show_all()
class BooleanToolbar(Gtk.Toolbar):
def __init__(self, calc):
Gtk.Toolbar.__init__(self)
self.insert(IconToolButton('boolean-and', _('Logical and'),
lambda x: calc.button_pressed(calc.TYPE_OP_POST, '&'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(And)')), -1)
self.insert(IconToolButton('boolean-or', _('Logical or'),
lambda x: calc.button_pressed(calc.TYPE_OP_POST, '|'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(Or)')), -1)
# self.insert(IconToolButton('boolean-xor', _('Logical xor'),
# lambda x: calc.button_pressed(calc.TYPE_OP_POST, '^'),
# lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(xor)')), -1)
self.insert(LineSeparator(), -1)
self.insert(IconToolButton('boolean-eq', _('Equals'),
lambda x: calc.button_pressed(calc.TYPE_OP_POST, '==')), -1)
self.insert(IconToolButton('boolean-neq', _('Not equals'),
lambda x: calc.button_pressed(calc.TYPE_OP_POST, '!=')), -1)
self.show_all()
class MiscToolbar(Gtk.Toolbar):
def __init__(self, calc, target_toolbar=None):
Gtk.Toolbar.__init__(self)
self.insert(IconToolButton('constants-pi', _('Pi'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'pi'),
alt_html='π'), -1)
self.insert(IconToolButton('constants-e', _('e'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'e')), -1)
self.insert(IconToolButton('constants-eulersconstant', _('γ'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, '0.577215664901533')), -1)
self.insert(IconToolButton('constants-goldenratio', _('φ'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, '1.618033988749895')), -1)
if target_toolbar is None:
target_toolbar = self
target_toolbar.insert(LineSeparator(), -1)
target_toolbar.insert(IconToolButton('plot', _('Plot'),
lambda x: calc.button_pressed(calc.TYPE_FUNCTION, 'plot'),
lambda x: calc.button_pressed(calc.TYPE_TEXT, 'help(plot)')), -1)
target_toolbar.insert(LineSeparator(), -1)
el = [
{'icon': 'format-deg', 'desc': _('Degrees'), 'html': 'deg'},
{'icon': 'format-rad', 'desc': _('Radians'), 'html': 'rad'},
]
target_toolbar.insert(IconToggleToolButton(el,
lambda x: self.update_angle_type(x, calc),
_('Degrees / Radians')), -1)
self.update_angle_type('deg', calc)
el = [
{'icon': 'format-sci', 'html': 'sci'},
{'icon': 'format-exp', 'html': 'exp'},
]
target_toolbar.insert(IconToggleToolButton(el,
lambda x: self.update_format_type(x, calc),
_('Exponent / Scientific notation')), -1)
el = [
{'icon': 'digits-9', 'html': '9'},
{'icon': 'digits-12', 'html': '12'},
{'icon': 'digits-15', 'html': '15'},
{'icon': 'digits-6', 'html': '6'},
]
target_toolbar.insert(IconToggleToolButton(el,
lambda x: self.update_digits(x, calc),
_('Number of shown digits')), -1)
el = [
{'icon': 'base-10', 'html': '10'},
{'icon': 'base-2', 'html': '2'},
{'icon': 'base-16', 'html': '16'},
{'icon': 'base-8', 'html': '8'}
]
target_toolbar.insert(IconToggleToolButton(el,
lambda x: self.update_int_base(x, calc),
_('Integer formatting base')), -1)
self.show_all()
def update_angle_type(self, text, calc):
var = calc.parser.get_var('angle_scaling')
if var is None:
_logger.warning('Variable angle_scaling not defined.')
return
if text == 'deg':
var.value = MathLib.ANGLE_DEG
elif text == 'rad':
var.value = MathLib.ANGLE_RAD
_logger.debug('Angle scaling: %s', var.value)
def update_format_type(self, text, calc):
if text == 'exp':
calc.ml.set_format_type(MathLib.FORMAT_EXPONENT)
elif text == 'sci':
calc.ml.set_format_type(MathLib.FORMAT_SCIENTIFIC)
_logger.debug('Format type: %s', calc.ml.format_type)
def update_digits(self, text, calc):
calc.ml.set_digit_limit(int(text))
_logger.debug('Digit limit: %s', calc.ml.digit_limit)
def update_int_base(self, text, calc):
calc.ml.set_integer_base(int(text))
_logger.debug('Integer base: %s', calc.ml.integer_base)
|
