def __init__(self, application, filename=""):
Gtk.ApplicationWindow.__init__(self, application=application,
default_width=450, default_height=600)
self.application = application
self.load_file_lazy(filename)
self.establish_actions()
sw = Gtk.ScrolledWindow()
sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
self.view = DNDWebView()
self.view.connect('drag-drop', self.on_drag_drop)
sw.add(self.view)
self.add(sw)
self.view.connect('title-changed', self.on_title_changed)
self.view.connect('console-message', self.on_console_message)
self.hb = Gtk.HeaderBar()
self.hb.set_show_close_button(True)
self.settings_button = Gtk.Button.new_from_icon_name('emblem-system-symbolic', Gtk.IconSize.BUTTON)
self.settings_button.connect('clicked', self.on_settings)
self.hb.pack_end(self.settings_button)
self.toc_button = Gtk.Button.new_from_icon_name('view-list-symbolic', Gtk.IconSize.BUTTON)
self.toc_button.connect('clicked', self.on_toc)
self.hb.pack_start(self.toc_button)
self.open_button = Gtk.Button.new_from_icon_name('document-open-symbolic', Gtk.IconSize.BUTTON)
self.open_button.connect('clicked', self.application.on_open)
self.hb.pack_start(self.open_button)
self.set_titlebar(self.hb)
self.set_title("Berg")
# Work-around for application title
# http://stackoverflow.com/questions/9324163/how-to-set-application-title-in-gnome-shell
self.set_wmclass("Berg", "Berg")
self.connect('key-press-event', self.on_key_press)
self.connect('configure-event', self.on_configure)
self._size = (0, 0)
self._resize_timeout = None
self.settings = ReaderSettings(self)
self.show_all()
self.toc_button.hide()
self.settings_button.hide()
self.spawn_server()
class EpubReader(Gtk.ApplicationWindow):
def __init__(self, application, filename=""):
Gtk.ApplicationWindow.__init__(self, application=application,
default_width=450, default_height=600)
self.application = application
self.load_file_lazy(filename)
self.establish_actions()
sw = Gtk.ScrolledWindow()
sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
self.view = DNDWebView()
self.view.connect('drag-drop', self.on_drag_drop)
sw.add(self.view)
self.add(sw)
self.view.connect('title-changed', self.on_title_changed)
self.view.connect('console-message', self.on_console_message)
self.hb = Gtk.HeaderBar()
self.hb.set_show_close_button(True)
self.settings_button = Gtk.Button.new_from_icon_name('emblem-system-symbolic', Gtk.IconSize.BUTTON)
self.settings_button.connect('clicked', self.on_settings)
self.hb.pack_end(self.settings_button)
self.toc_button = Gtk.Button.new_from_icon_name('view-list-symbolic', Gtk.IconSize.BUTTON)
self.toc_button.connect('clicked', self.on_toc)
self.hb.pack_start(self.toc_button)
self.open_button = Gtk.Button.new_from_icon_name('document-open-symbolic', Gtk.IconSize.BUTTON)
self.open_button.connect('clicked', self.application.on_open)
self.hb.pack_start(self.open_button)
self.set_titlebar(self.hb)
self.set_title("Berg")
# Work-around for application title
# http://stackoverflow.com/questions/9324163/how-to-set-application-title-in-gnome-shell
self.set_wmclass("Berg", "Berg")
self.connect('key-press-event', self.on_key_press)
self.connect('configure-event', self.on_configure)
self._size = (0, 0)
self._resize_timeout = None
self.settings = ReaderSettings(self)
self.show_all()
self.toc_button.hide()
self.settings_button.hide()
self.spawn_server()
def establish_actions(self):
action_group = Gtk.ActionGroup('main')
action_group.add_actions((
('quit', Gtk.STOCK_QUIT, "Quit", "<control>w", None, self.on_quit),
('settings',Gtk.STOCK_PREFERENCES, "Settings", None, None, self.on_settings),
('reload', Gtk.STOCK_REFRESH, "Refresh", "<control>r", None, self.on_reload)
))
# Note: ui_manager must be property of self, or accelerators don't work. This is probably
# because it would be garbage collected otherwise.
self.ui_manager = Gtk.UIManager()
self.ui_manager.insert_action_group(action_group)
self.ui_manager.add_ui_from_string('''
<ui>
<accelerator action="quit"/>
<accelerator action="reload"/>
</ui>
''')
self.ui_manager.ensure_update()
self.add_accel_group(self.ui_manager.get_accel_group())
def spawn_server(self):
self.server = epubserver.EpubServer()
self.port = self.server.get_port()
def load_file_lazy(self, filename):
GLib.idle_add(self.load_file, filename)
def load_file(self, filename):
self.view.load_uri("http://localhost:%i/?load=%s" % (self.port, filename))
if filename:
self.open_button.hide()
self.settings_button.show()
self.toc_button.show()
def on_drag_drop(self, widget, context, x, y, time, data=None):
filename = self.view.dnd_data
if filename.startswith('file://'):
filename = filename[7:]
self.application.load_file(filename)
def on_quit(self, *args):
self.destroy()
def on_settings(self, *args):
self.settings.show()
def on_reload(self, *args):
self.view.reload()
def on_toc(self, *args):
self.view.execute_script('reader.showTOC();')
def on_key_press(self, widget, event):
# Check that none of Shift, Control, Alt are pressed
if ((Gdk.ModifierType.SHIFT_MASK | Gdk.ModifierType.CONTROL_MASK | Gdk.ModifierType.MOD1_MASK)
& event.state) == 0:
if event.keyval in (Gdk.KEY_Right, Gdk.KEY_Down, Gdk.KEY_space, Gdk.KEY_period):
self.change_page(1)
return True
if event.keyval in (Gdk.KEY_Left, Gdk.KEY_Up, Gdk.KEY_BackSpace, Gdk.KEY_comma):
self.change_page(-1)
return True
return False
def on_configure(self, widget, event):
if self._size == (event.width, event.height):
return
self._size = (event.width, event.height)
if self._resize_timeout is not None:
GObject.source_remove(self._resize_timeout)
self._resize_timeout = GObject.timeout_add(500,
lambda *args: self.view.execute_script('reader.resized();'))
def on_title_changed(self, web_view, frame, title):
self.set_title(title)
def set_title(self, title):
self.hb.set_title(title)
def on_console_message(self, web_view, message, line, source_id):
if message == 'Ready':
self.settings.update_styles()
return True
return not self.application.debug
def change_page(self, direction=1):
self.view.execute_script('reader.moveTo({direction: %i})' % direction)