From 25e5093ca74f824268ee81523de9c54f3cc5afa1 Mon Sep 17 00:00:00 2001
From: Gonzalo Odiard <godiard@gmail.com>
Date: Wed, 07 Mar 2012 06:13:31 +0000
Subject: Add help

The intention of this help is use it in other activities.

Signed-off-by: Gonzalo Odiard <gonzalo@laptop.org>
Signed-off-by: Agustin Zubiaga <aguz@sugarlabs.org>
---
(limited to 'helpbutton.py')

diff --git a/helpbutton.py b/helpbutton.py
new file mode 100644
index 0000000..f27af70
--- /dev/null
+++ b/helpbutton.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (C) 2012, Gonzalo Odiard <godiard@gmail.com>
+
+# 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.
+#
+# 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
+
+# HelpButton widget
+
+from gettext import gettext as _
+
+import gtk
+
+from sugar.graphics.toolbutton import ToolButton
+from sugar.graphics.icon import Icon
+from sugar.graphics import style
+
+
+class HelpButton(gtk.ToolItem):
+
+    def __init__(self, **kwargs):
+        gtk.ToolItem.__init__(self)
+
+        help_button = ToolButton('help-icon')
+        help_button.set_tooltip(_('Help'))
+        self.add(help_button)
+
+        self._palette = help_button.get_palette()
+
+        sw = gtk.ScrolledWindow()
+        sw.set_size_request(int(gtk.gdk.screen_width() / 3),
+            gtk.gdk.screen_height() - style.GRID_CELL_SIZE * 3)
+        sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
+
+        self._max_text_width = int(gtk.gdk.screen_width() / 3) - 20
+        self._vbox = gtk.VBox()
+        self._vbox.set_homogeneous(False)
+        sw.add_with_viewport(self._vbox)
+
+        self._palette.set_content(sw)
+        sw.show_all()
+
+        help_button.connect('clicked', self.__help_button_clicked_cb)
+
+    def __help_button_clicked_cb(self, button):
+        self._palette.popup(immediate=True, state=1)
+
+    def add_section(self, section_text):
+        hbox = gtk.HBox()
+        label = gtk.Label()
+        label.set_use_markup(True)
+        label.set_markup('<b>%s</b>' % section_text)
+        label.set_line_wrap(True)
+        label.set_size_request(self._max_text_width, -1)
+        hbox.add(label)
+        hbox.show_all()
+        self._vbox.pack_start(hbox, False, False, padding=5)
+
+    def add_paragraph(self, text, icon=None):
+        hbox = gtk.HBox()
+        label = gtk.Label(text)
+        label.set_justify(gtk.JUSTIFY_LEFT)
+        label.set_line_wrap(True)
+        hbox.add(label)
+        if icon is not None:
+            _icon = Icon(icon_name=icon)
+            hbox.add(_icon)
+            label.set_size_request(self._max_text_width - 20, -1)
+        else:
+            label.set_size_request(self._max_text_width, -1)
+
+        hbox.show_all()
+        self._vbox.pack_start(hbox, False, False, padding=5)
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