Add gtk3 version of ReadEText 2.

7 files changed, 664 insertions, 0 deletions

diff --git a/Add_Refinements_gtk3/MANIFEST b/Add_Refinements_gtk3/MANIFEST
new file mode 100644
index 0000000..e724c0c
--- /dev/null
+++ b/Add_Refinements_gtk3/MANIFEST
@@ -0,0 +1,6 @@
+toolbar.py
+setup.py
+ReadEtextsActivity2.py
+activity/read-etexts.svg
+activity/activity.info
+po/ReadEtextsII.pot
diff --git a/Add_Refinements_gtk3/ReadEtextsActivity2.py b/Add_Refinements_gtk3/ReadEtextsActivity2.py
new file mode 100644
index 0000000..0b78614
--- /dev/null
+++ b/Add_Refinements_gtk3/ReadEtextsActivity2.py
@@ -0,0 +1,367 @@
+#
+# ReadEtextsActivity2.py  A version of ReadEtextsActivity with better 
+# toolbars and other refinements.
+# Copyright (C) 2010  James D. Simmons
+# Copyright (C) 2012  Aneesh Dogra <lionaneesh@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 2 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
+
+import os
+import zipfile
+from gi.repository import Gtk
+from gi.repository import Gdk
+from gi.repository import Pango
+from sugar3.activity import activity
+from sugar3.graphics import style
+from sugar3.graphics.toolbarbox import ToolbarButton
+from sugar3.graphics.toolbarbox import ToolbarBox
+from sugar3.activity.widgets import StopButton
+from sugar3.activity.widgets import EditToolbar
+from sugar3.activity.widgets import ActivityToolbar
+from sugar3.activity.widgets import _create_activity_icon
+from toolbar import ReadToolbar, ViewToolbar
+from gettext import gettext as _
+
+page=0
+PAGE_SIZE = 45
+TOOLBAR_READ = 2
+
+class CustomActivityToolbarButton(ToolbarButton):
+    """
+        Custom Activity Toolbar button, adds the functionality to disable or
+        enable the share button.
+    """
+    def __init__(self, activity, shared=False, **kwargs):
+        toolbar = ActivityToolbar(activity, orientation_left=True)
+
+        if not shared:
+            toolbar.share.props.visible = False
+
+        ToolbarButton.__init__(self, page=toolbar, **kwargs)
+
+        icon = _create_activity_icon(activity.metadata)
+        self.set_icon_widget(icon)
+        icon.show()
+
+class ReadEtextsActivity(activity.Activity):
+    def __init__(self, handle):
+        "The entry point to the Activity"
+        global page
+        activity.Activity.__init__(self, handle)
+
+        toolbar_box = ToolbarBox()
+
+        activity_button = CustomActivityToolbarButton(self)
+        toolbar_box.toolbar.insert(activity_button, 0)
+        activity_button.show()
+
+        edit_toolbar = EditToolbar()
+        edit_toolbar.undo.props.visible = False
+        edit_toolbar.redo.props.visible = False
+        edit_toolbar.separator.props.visible = False
+        edit_toolbar.copy.set_sensitive(False)
+        edit_toolbar.copy.connect('clicked', self.edit_toolbar_copy_cb)
+        edit_toolbar.paste.props.visible = False
+        edit_toolbar_button = ToolbarButton(page=edit_toolbar,
+                                            label=_("Edit"))
+        edit_toolbar.show()
+        toolbar_box.toolbar.insert(edit_toolbar_button, -1)
+        edit_toolbar_button.show()
+        
+        read_toolbar = ReadToolbar()
+        read_toolbar.back.connect('clicked', self.go_back_cb)
+        read_toolbar.forward.connect('clicked', self.go_forward_cb)
+        read_toolbar.num_page_entry.connect('activate',
+                                     self.num_page_entry_activate_cb)
+        read_toolbar.show()
+        read_toolbar_button = ToolbarButton(page=read_toolbar,
+                                            label=_("Read"))
+        toolbar_box.toolbar.insert(read_toolbar_button, -1)
+        read_toolbar_button.show()
+
+        view_toolbar = ViewToolbar()
+        view_toolbar.connect('go-fullscreen',
+                self.view_toolbar_go_fullscreen_cb)
+        view_toolbar.zoom_in.connect('clicked', self.zoom_in_cb)
+        view_toolbar.zoom_out.connect('clicked', self.zoom_out_cb)
+        view_toolbar.show()
+        view_toolbar_button = ToolbarButton(page=view_toolbar,
+                                            label=_("View"))
+        toolbar_box.toolbar.insert(view_toolbar_button, -1)
+        view_toolbar_button.show()
+
+        stop_button = StopButton(self)
+        stop_button.props.accelerator = '<Ctrl><Shift>Q'
+        toolbar_box.toolbar.insert(stop_button, -1)
+        stop_button.show()
+
+        self.set_toolbar_box(toolbar_box)
+        toolbar_box.show()
+
+        self.scrolled_window = Gtk.ScrolledWindow()
+        self.scrolled_window.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
+
+        self.textview = Gtk.TextView()
+        self.textview.set_editable(False)
+        self.textview.set_cursor_visible(False)
+        self.textview.set_left_margin(50)
+        self.textview.connect("key_press_event", self.keypress_cb)
+
+        self.scrolled_window.add(self.textview)
+        self.set_canvas(self.scrolled_window)
+        self.textview.show()
+        self.scrolled_window.show()
+        page = 0
+        self.clipboard = Gtk.Clipboard()
+        self.textview.grab_focus()
+        self.font_desc = Pango.FontDescription("sans %d" % style.zoom(10))
+        self.textview.modify_font(self.font_desc)
+
+        buffer = self.textview.get_buffer()
+        self.markset_id = buffer.connect("mark-set", self.mark_set_cb)
+
+    def keypress_cb(self, widget, event):
+        "Respond when the user presses one of the arrow keys"
+        keyname = Gdk.keyval_name(event.keyval)
+        print keyname
+        if keyname == 'plus':
+            self.font_increase()
+            return True
+        if keyname == 'minus':
+            self.font_decrease()
+            return True
+        if keyname == 'Page_Up' :
+            self.page_previous()
+            return True
+        if keyname == 'Page_Down':
+            self.page_next()
+            return True
+        if keyname == 'Up' or keyname == 'KP_Up' \
+                or keyname == 'KP_Left':
+            self.scroll_up()
+            return True
+        if keyname == 'Down' or keyname == 'KP_Down' \
+                or keyname == 'KP_Right':
+            self.scroll_down()
+            return True
+        return False
+
+    def num_page_entry_activate_cb(self, entry):
+        global page
+        if entry.props.text:
+            new_page = int(entry.props.text) - 1
+        else:
+            new_page = 0
+
+        if new_page >= self.read_toolbar.total_pages:
+            new_page = self.read_toolbar.total_pages - 1
+        elif new_page < 0:
+            new_page = 0
+
+        self.read_toolbar.current_page = new_page
+        self.read_toolbar.set_current_page(new_page)
+        self.show_page(new_page)
+        entry.props.text = str(new_page + 1)
+        self.read_toolbar.update_nav_buttons()
+        page = new_page
+        
+    def go_back_cb(self, button):
+        self.page_previous()
+    
+    def go_forward_cb(self, button):
+        self.page_next()
+
+    def page_previous(self):
+        global page
+        page=page-1
+        if page < 0: page=0
+        self.read_toolbar.set_current_page(page)
+        self.show_page(page)
+        v_adjustment = self.scrolled_window.get_vadjustment()
+        v_adjustment.set_value(v_adjustment.get_upper() - \
+                               v_adjustment.get_page_size())
+
+    def page_next(self):
+        global page
+        page=page+1
+        if page >= len(self.page_index): page=0
+        self.read_toolbar.set_current_page(page)
+        self.show_page(page)
+        v_adjustment = self.scrolled_window.get_vadjustment()
+        v_adjustment.set_value(v_adjustment.get_lower())
+
+    def zoom_in_cb(self,  button):
+        self.font_increase()
+        
+    def zoom_out_cb(self,  button):
+        self.font_decrease()
+
+    def font_decrease(self):
+        font_size = self.font_desc.get_size() / 1024
+        font_size = font_size - 1
+        if font_size < 1:
+            font_size = 1
+        self.font_desc.set_size(font_size * 1024)
+        self.textview.modify_font(self.font_desc)
+
+    def font_increase(self):
+        font_size = self.font_desc.get_size() / 1024
+        font_size = font_size + 1
+        self.font_desc.set_size(font_size * 1024)
+        self.textview.modify_font(self.font_desc)
+
+    def mark_set_cb(self, textbuffer, iter, textmark):
+ 
+        if textbuffer.get_has_selection():
+            begin, end = textbuffer.get_selection_bounds()
+            self.edit_toolbar.copy.set_sensitive(True)
+        else:
+            self.edit_toolbar.copy.set_sensitive(False)
+
+    def edit_toolbar_copy_cb(self, button):
+        textbuffer = self.textview.get_buffer()
+        begin, end = textbuffer.get_selection_bounds()
+        copy_text = textbuffer.get_text(begin, end)
+        self.clipboard.set_text(copy_text)
+
+    def view_toolbar_go_fullscreen_cb(self, view_toolbar):
+        self.fullscreen()
+
+    def scroll_down(self):
+        v_adjustment = self.scrolled_window.get_vadjustment()
+        if v_adjustment.get_value() == v_adjustment.get_upper() - \
+                v_adjustment.get_page_size():
+            self.page_next()
+            return
+        if v_adjustment.get_value() < v_adjustment.get_upper() - \
+                v_adjustment.get_page_size():
+            new_value = v_adjustment.get_value() + v_adjustment.step_increment
+            if new_value > v_adjustment.get_upper() - v_adjustment.get_page_size():
+                new_value = v_adjustment.get_upper() - v_adjustment.get_page_size()
+            v_adjustment.set_value(new_value)
+
+    def scroll_up(self):
+        v_adjustment = self.scrolled_window.get_vadjustment()
+        if v_adjustment.get_value() == v_adjustment.get_lower():
+            self.page_previous()
+            return
+        if v_adjustment.get_value() > v_adjustment.get_lower():
+            new_value = v_adjustment.get_value() - \
+                v_adjustment.step_increment
+            if new_value < v_adjustment.get_lower():
+                new_value = v_adjustment.get_lower()
+            v_adjustment.set_value(new_value)
+
+    def show_page(self, page_number):
+        global PAGE_SIZE, current_word
+        position = self.page_index[page_number]
+        self.etext_file.seek(position)
+        linecount = 0
+        label_text = '\n\n\n'
+        textbuffer = self.textview.get_buffer()
+        while linecount < PAGE_SIZE:
+            line = self.etext_file.readline()
+            label_text = label_text + unicode(line, 'iso-8859-1')
+            linecount = linecount + 1
+        label_text = label_text + '\n\n\n'
+        textbuffer.set_text(label_text)
+        self.textview.set_buffer(textbuffer)
+
+    def save_extracted_file(self, zipfile, filename):
+        "Extract the file to a temp directory for viewing"
+        filebytes = zipfile.read(filename)
+        outfn = self.make_new_filename(filename)
+        if (outfn == ''):
+            return False
+        f = open(os.path.join(self.get_activity_root(), 'tmp',  outfn),  'w')
+        try:
+            f.write(filebytes)
+        finally:
+            f.close()
+
+    def get_saved_page_number(self):
+        global page
+        title = self.metadata.get('title', '')
+        if title == ''  or not title[len(title)- 1].isdigit():
+            page = 0
+        else:
+            i = len(title) - 1
+            newPage = ''
+            while (title[i].isdigit() and i > 0):
+                newPage = title[i] + newPage
+                i = i - 1
+            if title[i] == 'P':
+                page = int(newPage) - 1
+            else:
+                # not a page number; maybe a volume number.
+                page = 0
+        
+    def save_page_number(self):
+        global page
+        title = self.metadata.get('title', '')
+        if title == ''  or not title[len(title)- 1].isdigit():
+            title = title + ' P' +  str(page + 1)
+        else:
+            i = len(title) - 1
+            while (title[i].isdigit() and i > 0):
+                i = i - 1
+            if title[i] == 'P':
+                title = title[0:i] + 'P' + str(page + 1)
+            else:
+                title = title + ' P' + str(page + 1)
+        self.metadata['title'] = title
+
+    def read_file(self, filename):
+        "Read the Etext file"
+        global PAGE_SIZE,  page
+        
+        if zipfile.is_zipfile(filename):
+            self.zf = zipfile.ZipFile(filename, 'r')
+            self.book_files = self.zf.namelist()
+            self.save_extracted_file(self.zf, self.book_files[0])
+            currentFileName = os.path.join(self.get_activity_root(), \
+                    'tmp',  self.book_files[0])
+        else:
+            currentFileName = filename
+            
+        self.etext_file = open(currentFileName,"r")
+        self.page_index = [ 0 ]
+        pagecount = 0
+        linecount = 0
+        while self.etext_file:
+            line = self.etext_file.readline()
+            if not line:
+                break
+            linecount = linecount + 1
+            if linecount >= PAGE_SIZE:
+                position = self.etext_file.tell()
+                self.page_index.append(position)
+                linecount = 0
+                pagecount = pagecount + 1
+        if filename.endswith(".zip"):
+            os.remove(currentFileName)
+        self.get_saved_page_number()
+        self.show_page(page)
+        self.read_toolbar.set_total_pages(pagecount + 1)
+        self.read_toolbar.set_current_page(page)
+ 
+    def make_new_filename(self, filename):
+        partition_tuple = filename.rpartition('/')
+        return partition_tuple[2]
+
+    def write_file(self, filename):
+        "Save meta data for the file."
+        self.metadata['activity'] = self.get_bundle_id()
+        self.save_page_number()
diff --git a/Add_Refinements_gtk3/activity/activity.info b/Add_Refinements_gtk3/activity/activity.info
new file mode 100644
index 0000000..d8850ca
--- /dev/null
+++ b/Add_Refinements_gtk3/activity/activity.info
@@ -0,0 +1,9 @@
+[Activity]
+name = ReadEtexts II
+bundle_id = net.flossmanuals.ReadETextsActivity2
+icon = read-etexts
+exec = sugar-activity ReadEtextsActivity2.ReadEtextsActivity
+show_launcher = no
+mime_types = text/plain;application/zip
+activity_version = 1
+license = GPLv2+
diff --git a/Add_Refinements_gtk3/activity/read-etexts.svg b/Add_Refinements_gtk3/activity/read-etexts.svg
new file mode 100644
index 0000000..5682ec8
--- /dev/null
+++ b/Add_Refinements_gtk3/activity/read-etexts.svg
@@ -0,0 +1,71 @@
+<?xml version="1.0" ?><!DOCTYPE svg  PUBLIC '-//W3C//DTD SVG 1.1//EN'  'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd' [
+	<!ENTITY stroke_color "#000000">
+	<!ENTITY fill_color "#FFFFFF">
+]><svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="48px"
+   height="48px"
+   id="svg116"
+   sodipodi:version="0.32"
+   inkscape:version="0.46+devel"
+   sodipodi:docname="New document 4"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape">
+  <defs
+     id="defs118">
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
+       inkscape:vp_x="0 : 24 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="48 : 24 : 1"
+       inkscape:persp3d-origin="24 : 16 : 1"
+       id="perspective124" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="7"
+     inkscape:cx="24"
+     inkscape:cy="24"
+     inkscape:current-layer="layer1"
+     showgrid="true"
+     inkscape:grid-bbox="true"
+     inkscape:document-units="px"
+     inkscape:window-width="1024"
+     inkscape:window-height="698"
+     inkscape:window-x="0"
+     inkscape:window-y="25" />
+  <metadata
+     id="metadata121">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer">
+    <rect
+       style="fill:&fill_color;;stroke:&stroke_color;;stroke-opacity:1"
+       id="rect904"
+       width="36.142857"
+       height="32.142857"
+       x="4.1428571"
+       y="7.1428571" />
+  </g>
+</svg>
diff --git a/Add_Refinements_gtk3/po/ReadEtextsII.pot b/Add_Refinements_gtk3/po/ReadEtextsII.pot
new file mode 100644
index 0000000..8efe9aa
--- /dev/null
+++ b/Add_Refinements_gtk3/po/ReadEtextsII.pot
@@ -0,0 +1,54 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2012-12-12 17:10+0530\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: activity/activity.info:2
+msgid "ReadEtexts II"
+msgstr ""
+
+#: ReadEtextsActivity2.py:78
+msgid "Edit"
+msgstr ""
+
+#: ReadEtextsActivity2.py:90
+msgid "Read"
+msgstr ""
+
+#: ReadEtextsActivity2.py:101
+msgid "View"
+msgstr ""
+
+#: toolbar.py:36
+msgid "Back"
+msgstr ""
+
+#: toolbar.py:42
+msgid "Forward"
+msgstr ""
+
+#: toolbar.py:113
+msgid "Zoom out"
+msgstr ""
+
+#: toolbar.py:118
+msgid "Zoom in"
+msgstr ""
+
+#: toolbar.py:128
+msgid "Fullscreen"
+msgstr ""
diff --git a/Add_Refinements_gtk3/setup.py b/Add_Refinements_gtk3/setup.py
new file mode 100755
index 0000000..601d35c
--- /dev/null
+++ b/Add_Refinements_gtk3/setup.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+# setup.py
+
+# Copyright (C) 2006, Red Hat, Inc.
+#
+# 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 2 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
+
+from sugar3.activity import bundlebuilder
+
+bundlebuilder.start()
diff --git a/Add_Refinements_gtk3/toolbar.py b/Add_Refinements_gtk3/toolbar.py
new file mode 100644
index 0000000..70dd1b8
--- /dev/null
+++ b/Add_Refinements_gtk3/toolbar.py
@@ -0,0 +1,134 @@
+# toolbar.,py  The toolbars used by ReadEtextsActivity.
+#
+# Copyright (C) 2010, James Simmons.
+# Adapted from code Copyright (C) Red Hat Inc.
+# Copyright (C) 2012, Aneesh Dogra <lionaneesh@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 2 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
+
+from gettext import gettext as _
+import re
+
+from gi.repository import Gtk
+from gi.repository import GObject
+
+from sugar3.graphics.toolbutton import ToolButton
+
+class ReadToolbar(Gtk.Toolbar):
+    __gtype_name__ = 'ReadToolbar'
+
+    def __init__(self):
+        Gtk.Toolbar.__init__(self)
+
+        self.back = ToolButton('go-previous')
+        self.back.set_tooltip(_('Back'))
+        self.back.props.sensitive = False
+        self.insert(self.back, -1)
+        self.back.show()
+
+        self.forward = ToolButton('go-next')
+        self.forward.set_tooltip(_('Forward'))
+        self.forward.props.sensitive = False
+        self.insert(self.forward, -1)
+        self.forward.show()
+
+        num_page_item = Gtk.ToolItem()
+
+        self.num_page_entry = Gtk.Entry()
+        self.num_page_entry.set_text('0')
+        self.num_page_entry.set_alignment(1)
+        self.num_page_entry.connect('insert-text',
+                                     self.num_page_entry_insert_text_cb)
+
+        self.num_page_entry.set_width_chars(4)
+
+        num_page_item.add(self.num_page_entry)
+        self.num_page_entry.show()
+
+        self.insert(num_page_item, -1)
+        num_page_item.show()
+
+        total_page_item = Gtk.ToolItem()
+
+        self.total_page_label = Gtk.Label()
+        self.total_page_label.set_markup("<span foreground='#FFF' size='14000'></span>")
+
+        self.total_page_label.set_text(' / 0')
+        total_page_item.add(self.total_page_label)
+        self.total_page_label.show()
+
+        self.insert(total_page_item, -1)
+        total_page_item.show()
+
+    def num_page_entry_insert_text_cb(self, entry, text, length, position):
+        if not re.match('[0-9]', text):
+            entry.emit_stop_by_name('insert-text')
+            return True
+        return False
+
+    def update_nav_buttons(self):
+        current_page = self.current_page
+        self.back.props.sensitive = current_page > 0
+        self.forward.props.sensitive = \
+            current_page < self.total_pages - 1
+        
+        self.num_page_entry.props.text = str(current_page + 1)
+        self.total_page_label.props.label = \
+            ' / ' + str(self.total_pages)
+
+    def set_total_pages(self, pages):
+        self.total_pages = pages
+        
+    def set_current_page(self, page):
+        self.current_page = page
+        self.update_nav_buttons()
+
+class ViewToolbar(Gtk.Toolbar):
+    __gtype_name__ = 'ViewToolbar'
+
+    __gsignals__ = {
+        'needs-update-size': (GObject.SIGNAL_RUN_FIRST,
+                              GObject.TYPE_NONE,
+                              ([])),
+        'go-fullscreen': (GObject.SIGNAL_RUN_FIRST,
+                          GObject.TYPE_NONE,
+                          ([]))
+    }
+
+    def __init__(self):
+        Gtk.Toolbar.__init__(self)
+        self.zoom_out = ToolButton('zoom-out')
+        self.zoom_out.set_tooltip(_('Zoom out'))
+        self.insert(self.zoom_out, -1)
+        self.zoom_out.show()
+
+        self.zoom_in = ToolButton('zoom-in')
+        self.zoom_in.set_tooltip(_('Zoom in'))
+        self.insert(self.zoom_in, -1)
+        self.zoom_in.show()
+
+        spacer = Gtk.SeparatorToolItem()
+        spacer.props.draw = False
+        self.insert(spacer, -1)
+        spacer.show()
+
+        self.fullscreen = ToolButton('view-fullscreen')
+        self.fullscreen.set_tooltip(_('Fullscreen'))
+        self.fullscreen.connect('clicked', self.fullscreen_cb)
+        self.insert(self.fullscreen, -1)
+        self.fullscreen.show()
+
+    def fullscreen_cb(self, button):
+        self.emit('go-fullscreen')