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#!/usr/bin/env python
#Copyright (c) 2009, 2010 Walter Bender
#Copyright (c) 2012 Ignacio Rodriguez
# 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 gi.repository import Gtk, Gdk, GdkPixbuf
import pygtk
pygtk.require('2.0')
from gettext import gettext as _
import os
from window import SlideRule
_FA = _('square/square root')
_FC = _('multiply/divide')
_FCI = _('divide/multiply')
_FK = _('cube/cube root')
_FS = _('sin, asin')
_FT = _('tan, atan')
_FL = _('add/subtract')
class SlideruleMain:
def __init__(self):
self.r = 0
self.win = Gtk.Window(Gtk.WindowType.TOPLEVEL)
self.win.maximize()
self.win.set_title(_('Sliderule'))
self.win.connect('delete_event', lambda w,e: Gtk.main_quit())
menu = Gtk.Menu()
menu_items = Gtk.MenuItem(_("L") + ' ' + _FL)
menu.append(menu_items)
menu_items.connect("activate", self._l_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("C") + ' ' + _FC)
menu.append(menu_items)
menu_items.connect("activate", self._c_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("CI") + ' ' + _FCI)
menu.append(menu_items)
menu_items.connect("activate", self._ci_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("A") + ' ' + _FA)
menu.append(menu_items)
menu_items.connect("activate", self._a_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("K") + ' ' + _FK)
menu.append(menu_items)
menu_items.connect("activate", self._k_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("S") + ' ' + _FS)
menu.append(menu_items)
menu_items.connect("activate", self._s_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("T") + ' ' + _FT)
menu.append(menu_items)
menu_items.connect("activate", self._t_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("realign slides"))
menu.append(menu_items)
menu_items.connect("activate", self._realign_cb)
menu_items.show()
menu_items = Gtk.MenuItem(_("Quit"))
menu.append(menu_items)
menu_items.connect("activate", self._quit_cb)
menu_items.show()
root_menu = Gtk.MenuItem("Tools")
root_menu.show()
root_menu.set_submenu(menu)
menu.show()
self.menu_bar = Gtk.MenuBar()
self.menu_bar.append(root_menu)
self.menu_bar.show()
self.menu_height = self.menu_bar.size_request().height
vbox = Gtk.VBox(False, 0)
self.win.add(vbox)
vbox.show()
self.fixed = Gtk.Fixed()
self.fixed.connect('size-allocate', self._fixed_resize_cb)
width = Gdk.Screen.width() - 80
height = Gdk.Screen.height() - 60
self.fixed.set_size_request(width, height)
vbox.pack_start(self.fixed, True, True, 0)
self.vbox = Gtk.VBox(False, 0)
self.vbox.show()
self.vbox.pack_start(self.menu_bar, False, False, 2)
canvas = Gtk.DrawingArea()
width = Gdk.Screen.width() - 80
height = Gdk.Screen.height() - 60
canvas.set_size_request(width, height)
canvas.show()
self.vbox.pack_end(canvas, True, True, 0)
self.fixed.put(self.vbox, 0, 0)
self.fixed.show()
self.win.show_all()
self.sr = SlideRule(canvas,
os.path.join(os.path.abspath('.'), 'images/'),
parent=self, sugar=False)
self.sr.win = self.win
self.sr.activity = self
self.hide_all()
self._c_cb(None)
def show_all(self):
self.win.show_all()
def _fixed_resize_cb(self, widget=None, rect=None):
''' If a toolbar opens or closes, we need to resize the vbox
holding out scrolling window. '''
self.vbox.set_size_request(rect.width, rect.height)
if hasattr(self, 'sr'):
self.sr.update_textview_y_offset(-self.menu_height)
self.menu_height = self.menu_bar.size_request().height
if hasattr(self, 'sr'):
self.sr.update_textview_y_offset(self.menu_height)
def set_title(self, title):
self.win.set_title(title)
def hide_all(self):
for slide in self.sr.slides:
slide.hide()
for stator in self.sr.stators:
stator.hide()
def _realign_cb(self, arg=None):
""" Realign all sliders with the D scale. """
dx, dy = self.sr.name_to_stator('D').spr.get_xy()
cy = self.sr.name_to_slide('C').spr.get_xy()[1]
for slide in self.sr.slides:
slide.move(dx, cy)
self.sr.move_stators(dx, dy)
def _show(self):
self.sr.active_slide.draw()
self.sr.active_stator.draw()
if hasattr(self.sr, "update_slider_labels"):
self.sr.update_slider_labels()
self.sr.update_results_label()
def _c_cb(self, widget):
self.hide_all()
self.sr.active_slide = self.sr.name_to_slide('C')
self.sr.active_stator = self.sr.name_to_stator('D')
self._show()
return True
def _ci_cb(self, widget):
self.hide_all()
self.sr.active_slide = self.sr.name_to_slide('CI')
self.sr.active_stator = self.sr.name_to_stator('D')
self._show()
return True
def _a_cb(self, widget):
self.hide_all()
self.sr.active_slide = self.sr.name_to_slide('A')
self.sr.active_stator = self.sr.name_to_stator('D')
self._show()
return True
def _k_cb(self, widget):
self.hide_all()
self.sr.active_slide = self.sr.name_to_slide('K')
self.sr.active_stator = self.sr.name_to_stator('D')
self._show()
return True
def _s_cb(self, widget):
self.hide_all()
self.sr.active_slide = self.sr.name_to_slide('S')
self.sr.active_stator = self.sr.name_to_stator('D')
self._show()
return True
def _t_cb(self, widget):
self.hide_all()
self.sr.active_slide = self.sr.name_to_slide('T')
self.sr.active_stator = self.sr.name_to_stator('D')
self._show()
return True
def _l_cb(self, widget):
self.hide_all()
self.sr.active_slide = self.sr.name_to_slide('L')
self.sr.active_stator = self.sr.name_to_stator('L2')
self._show()
return True
def _quit_cb(self, widget):
Gtk.main_quit()
exit()
def main():
Gtk.main()
return 0
if __name__ == "__main__":
SlideruleMain()
main()
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