# 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 import logging from gettext import gettext as _ import re import pango import gobject import gtk import evince import md5 from sugar.graphics.toolbutton import ToolButton from sugar.graphics.toggletoolbutton import ToggleToolButton from sugar.graphics.menuitem import MenuItem from sugar.graphics import iconentry from sugar.activity import activity from sugar.graphics.icon import Icon from sugar.graphics.xocolor import XoColor def get_md5(filename): #FIXME: Should be moved somewhere else filename = filename.replace('file://', '') #XXX: hack fh = open(filename) digest = md5.new() while 1: buf = fh.read(4096) if buf == "": break digest.update(buf) fh.close() return digest.hexdigest() class EditToolbar(activity.EditToolbar): __gtype_name__ = 'EditToolbar' def __init__(self, evince_view): activity.EditToolbar.__init__(self) self._evince_view = evince_view self._evince_view.find_set_highlight_search(True) self._document = None self._find_job = None separator = gtk.SeparatorToolItem() separator.set_draw(False) separator.set_expand(True) self.insert(separator, -1) separator.show() search_item = gtk.ToolItem() self._search_entry = iconentry.IconEntry() self._search_entry.set_icon_from_name(iconentry.ICON_ENTRY_PRIMARY, 'system-search') self._search_entry.add_clear_button() self._search_entry.connect('activate', self._search_entry_activate_cb) self._search_entry.connect('changed', self._search_entry_changed_cb) self._search_entry_changed = True width = int(gtk.gdk.screen_width() / 3) self._search_entry.set_size_request(width, -1) search_item.add(self._search_entry) self._search_entry.show() self.insert(search_item, -1) search_item.show() self._prev = ToolButton('go-previous-paired') self._prev.set_tooltip(_('Previous')) self._prev.props.sensitive = False self._prev.connect('clicked', self._find_prev_cb) self.insert(self._prev, -1) self._prev.show() self._next = ToolButton('go-next-paired') self._next.set_tooltip(_('Next')) self._next.props.sensitive = False self._next.connect('clicked', self._find_next_cb) self.insert(self._next, -1) self._next.show() def set_document(self, document): self._document = document def _clear_find_job(self): if self._find_job is None: return if not self._find_job.is_finished(): self._find_job.cancel() self._find_job.disconnect(self._find_updated_handler) self._find_job = None def _search_find_first(self): self._clear_find_job() text = self._search_entry.props.text if text != "": self._find_job = evince.JobFind(document=self._document, start_page=0, n_pages=self._document.get_n_pages(), text=text, case_sensitive=False) self._find_updated_handler = self._find_job.connect('updated', self._find_updated_cb) evince.job_scheduler_push_job(self._find_job, evince.JOB_PRIORITY_NONE) else: # FIXME: highlight nothing pass self._search_entry_changed = False self._update_find_buttons() def _search_find_next(self): self._evince_view.find_next() def _search_find_last(self): # FIXME: does Evince support find last? return def _search_find_prev(self): self._evince_view.find_previous() def _search_entry_activate_cb(self, entry): if self._search_entry_changed: self._search_find_first() else: self._search_find_next() def _search_entry_changed_cb(self, entry): self._search_entry_changed = True self._update_find_buttons() # Automatically start search, maybe after timeout? # self._search_find_first() def _find_changed_cb(self, page, spec): self._update_find_buttons() def _find_updated_cb(self, job, page): self._evince_view.find_changed(job, page) def _find_prev_cb(self, button): if self._search_entry_changed: self._search_find_last() else: self._search_find_prev() def _find_next_cb(self, button): if self._search_entry_changed: self._search_find_first() else: self._search_find_next() def _update_find_buttons(self): if self._search_entry_changed: if self._search_entry.props.text != "": self._prev.props.sensitive = False # self._prev.set_tooltip(_('Find last')) self._next.props.sensitive = True self._next.set_tooltip(_('Find first')) else: self._prev.props.sensitive = False self._next.props.sensitive = False else: self._prev.props.sensitive = True self._prev.set_tooltip(_('Find previous')) self._next.props.sensitive = True self._next.set_tooltip(_('Find next')) class ReadToolbar(gtk.Toolbar): __gtype_name__ = 'ReadToolbar' def __init__(self, evince_view, sidebar): gtk.Toolbar.__init__(self) self._evince_view = evince_view self._sidebar = sidebar self._document = None self._back = ToolButton('go-previous') self._back.set_tooltip(_('Back')) self._back.props.sensitive = False palette = self._back.get_palette() self._prev_page = MenuItem(text_label= _("Previous page")) palette.menu.append(self._prev_page) self._prev_page.show_all() self._prev_bookmark = MenuItem(text_label= _("Previous bookmark")) palette.menu.append(self._prev_bookmark) self._prev_bookmark.show_all() self._back.connect('clicked', self._go_back_cb) self._prev_page.connect('activate', self._go_back_cb) self._prev_bookmark.connect('activate', self._prev_bookmark_activate_cb) self.insert(self._back, -1) self._back.show() self._forward = ToolButton('go-next') self._forward.set_tooltip(_('Forward')) self._forward.props.sensitive = False palette = self._forward.get_palette() self._next_page = MenuItem(text_label= _("Next page")) palette.menu.append(self._next_page) self._next_page.show_all() self._next_bookmark = MenuItem(text_label= _("Next bookmark")) palette.menu.append(self._next_bookmark) self._next_bookmark.show_all() self._forward.connect('clicked', self._go_forward_cb) self._next_page.connect('activate', self._go_forward_cb) self._next_bookmark.connect('activate', self._next_bookmark_activate_cb) 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.connect('activate', self._num_page_entry_activate_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() label_attributes = pango.AttrList() label_attributes.insert(pango.AttrSize(14000, 0, -1)) label_attributes.insert(pango.AttrForeground(65535, 65535, 65535, 0, -1)) self._total_page_label.set_attributes(label_attributes) 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() spacer = gtk.SeparatorToolItem() spacer.props.draw = False self.insert(spacer, -1) spacer.show() navitem = gtk.ToolItem() self._navigator = gtk.ComboBox() cell = gtk.CellRendererText() self._navigator.pack_start(cell, True) self._navigator.add_attribute(cell, 'text', 0) self._navigator.props.visible = False navitem.add(self._navigator) self.insert(navitem, -1) navitem.show() spacer = gtk.SeparatorToolItem() self.insert(spacer, -1) spacer.show() bookmarkitem = gtk.ToolItem() self._bookmarker = ToggleToolButton('emblem-favorite') self._bookmarker_toggle_handler_id = self._bookmarker.connect('toggled', self._bookmarker_toggled_cb) bookmarkitem.add(self._bookmarker) self.insert(bookmarkitem, -1) bookmarkitem.show_all() def set_document(self, document, filepath): filehash = get_md5(filepath) self._document = document page_cache = self._document.get_page_cache() page_cache.connect('page-changed', self._page_changed_cb) self._update_nav_buttons() self._update_toc() self._sidebar.set_bookmarkmanager(filehash) 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 _num_page_entry_activate_cb(self, entry): if entry.props.text: page = int(entry.props.text) - 1 else: page = 0 if page >= self._document.get_n_pages(): page = self._document.get_n_pages() - 1 elif page < 0: page = 0 self._document.get_page_cache().set_current_page(page) entry.props.text = str(page + 1) def _go_back_cb(self, button): self._evince_view.previous_page() def _go_forward_cb(self, button): self._evince_view.next_page() def _prev_bookmark_activate_cb(self, menuitem): page = self._document.get_page_cache().get_current_page() bookmarkmanager = self._sidebar.get_bookmarkmanager() prev_bookmark = bookmarkmanager.get_prev_bookmark_for_page(page) if prev_bookmark is not None: self._document.get_page_cache().set_current_page(prev_bookmark.page_no) def _next_bookmark_activate_cb(self, menuitem): page = self._document.get_page_cache().get_current_page() bookmarkmanager = self._sidebar.get_bookmarkmanager() next_bookmark = bookmarkmanager.get_next_bookmark_for_page(page) if next_bookmark is not None: self._document.get_page_cache().set_current_page(next_bookmark.page_no) def _bookmarker_toggled_cb(self, button): page = self._document.get_page_cache().get_current_page() if self._bookmarker.props.active: self._sidebar.add_bookmark(page) else: self._sidebar.del_bookmark(page) def _page_changed_cb(self, page, proxy): self._update_nav_buttons() if hasattr(self._document, 'has_document_links'): if self._document.has_document_links(): self._toc_select_active_page() self._sidebar.update_for_page(self._document.get_page_cache().get_current_page()) self._bookmarker.handler_block(self._bookmarker_toggle_handler_id) self._bookmarker.props.active = self._sidebar.is_showing_local_bookmark() self._bookmarker.handler_unblock(self._bookmarker_toggle_handler_id) def _update_nav_buttons(self): current_page = self._document.get_page_cache().get_current_page() self._back.props.sensitive = current_page > 0 self._forward.props.sensitive = \ current_page < self._document.get_n_pages() - 1 self._num_page_entry.props.text = str(current_page + 1) self._total_page_label.props.label = \ ' / ' + str(self._document.get_n_pages()) def _update_toc(self): if hasattr(self._document, 'has_document_links'): if self._document.has_document_links(): self._navigator.show_all() self._toc_model = self._document.get_links_model() self._navigator.set_model(self._toc_model) self._navigator.set_active(0) self.__navigator_changed_handler_id = \ self._navigator.connect('changed', self._navigator_changed_cb) self._toc_select_active_page() def _navigator_changed_cb(self, combobox): iter = self._navigator.get_active_iter() link = self._toc_model.get(iter, 1)[0] self._evince_view.handle_link(link) def _toc_select_active_page_foreach(self, model, path, iter, current_page): link = self._toc_model.get(iter, 1)[0] if current_page == link.get_page(): self._navigator.set_active_iter(iter) return True else: return False def _toc_select_active_page(self): iter = self._navigator.get_active_iter() current_link = self._toc_model.get(iter, 1)[0] current_page = self._document.get_page_cache().get_current_page() if current_link.get_page() == current_page: # Nothing to do return self._navigator.handler_block(self.__navigator_changed_handler_id) self._toc_model.foreach(self._toc_select_active_page_foreach, current_page) self._navigator.handler_unblock(self.__navigator_changed_handler_id) 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, evince_view): gtk.Toolbar.__init__(self) self._evince_view = evince_view self._document = None self._zoom_out = ToolButton('zoom-out') self._zoom_out.set_tooltip(_('Zoom out')) self._zoom_out.connect('clicked', self._zoom_out_cb) self.insert(self._zoom_out, -1) self._zoom_out.show() self._zoom_in = ToolButton('zoom-in') self._zoom_in.set_tooltip(_('Zoom in')) self._zoom_in.connect('clicked', self._zoom_in_cb) self.insert(self._zoom_in, -1) self._zoom_in.show() self._zoom_to_width = ToolButton('zoom-best-fit') self._zoom_to_width.set_tooltip(_('Zoom to width')) self._zoom_to_width.connect('clicked', self._zoom_to_width_cb) self.insert(self._zoom_to_width, -1) self._zoom_to_width.show() palette = self._zoom_to_width.get_palette() menu_item = MenuItem(_('Zoom to fit')) menu_item.connect('activate', self._zoom_to_fit_menu_item_activate_cb) palette.menu.append(menu_item) menu_item.show() menu_item = MenuItem(_('Actual size')) menu_item.connect('activate', self._actual_size_menu_item_activate_cb) palette.menu.append(menu_item) menu_item.show() tool_item = gtk.ToolItem() self.insert(tool_item, -1) tool_item.show() self._zoom_spin = gtk.SpinButton() self._zoom_spin.set_range(5.409, 400) self._zoom_spin.set_increments(1, 10) self._zoom_spin.props.value = self._evince_view.props.zoom * 100 self._zoom_spin_notify_value_handler = self._zoom_spin.connect( 'notify::value', self._zoom_spin_notify_value_cb) tool_item.add(self._zoom_spin) self._zoom_spin.show() zoom_perc_label = gtk.Label(_("%")) zoom_perc_label.show() tool_item_zoom_perc_label = gtk.ToolItem() tool_item_zoom_perc_label.add(zoom_perc_label) self.insert(tool_item_zoom_perc_label, -1) tool_item_zoom_perc_label.show() self._view_notify_zoom_handler = self._evince_view.connect( 'notify::zoom', self._view_notify_zoom_cb) self._update_zoom_buttons() 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 _zoom_spin_notify_value_cb(self, zoom_spin, pspec): self._evince_view.disconnect(self._view_notify_zoom_handler) try: self._evince_view.props.sizing_mode = evince.SIZING_FREE self._evince_view.props.zoom = zoom_spin.props.value / 100.0 finally: self._view_notify_zoom_handler = self._evince_view.connect( 'notify::zoom', self._view_notify_zoom_cb) def _view_notify_zoom_cb(self, evince_view, pspec): self._zoom_spin.disconnect(self._zoom_spin_notify_value_handler) try: self._zoom_spin.props.value = round(evince_view.props.zoom * 100.0) finally: self._zoom_spin_notify_value_handler = self._zoom_spin.connect( 'notify::value', self._zoom_spin_notify_value_cb) def zoom_in(self): self._evince_view.props.sizing_mode = evince.SIZING_FREE self._evince_view.zoom_in() self._update_zoom_buttons() def _zoom_in_cb(self, button): self.zoom_in() def zoom_out(self): self._evince_view.props.sizing_mode = evince.SIZING_FREE self._evince_view.zoom_out() self._update_zoom_buttons() def _zoom_out_cb(self, button): self.zoom_out() def zoom_to_width(self): self._evince_view.props.sizing_mode = evince.SIZING_FIT_WIDTH self.emit('needs-update-size') self._update_zoom_buttons() def _zoom_to_width_cb(self, button): self.zoom_to_width() def _update_zoom_buttons(self): self._zoom_in.props.sensitive = self._evince_view.can_zoom_in() self._zoom_out.props.sensitive = self._evince_view.can_zoom_out() def _zoom_to_fit_menu_item_activate_cb(self, menu_item): self._evince_view.props.sizing_mode = evince.SIZING_BEST_FIT self.emit('needs-update-size') self._update_zoom_buttons() def _actual_size_menu_item_activate_cb(self, menu_item): self._evince_view.props.sizing_mode = evince.SIZING_FREE self._evince_view.props.zoom = 1.0 self._update_zoom_buttons() def _fullscreen_cb(self, button): self.emit('go-fullscreen')